• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    1463688 Rotary heat exchangers; heating, cooling and drying material ATLAS AS 29 April 1974 [1 May 1973] 18655/74 Headings F4S F4U and F4G Apparatus for heating, cooling or drying moist material, e.g. fishmeal, offal or mash, comprises a stationary drum 10 surrounded by a heating jacket 11 and containing a rotatable hollow rotor 14 to the outer surface of which annular disc-like elements 19 are fixed at spaced intervals, each disc element 19 including a spirally extending passage or duct 20 in fluid communication with the hollow rotor. The rotor 14 is supplied with heat exchange medium, e.g. steam, through a pipe 17, said steam entering the passage 20 in each disc element 19 through a pipe 21 and being discharged therefrom, e.g. as condensate, through a pipe 24. The condensate is removed from the rotor by way of a siphon pipe 18. As shown, the disc element 19 is formed from a suitably stamped or embossed sheet to which a spirally extending strip 22 of arcuate cross-section is welded; the resulting spiral duct 20, which is of lenticular crosssection, is longitudinally divided into flow and return passages by a strip 23. Vanes 26 are provided at the circumference of some or all of the disc elements 19 to assist in moving the material to be treated from inlet 12 towards outlet 13. In an alternative embodiment (Figs. 4-6, not shown), each disc element comprises a spirally shaped strip (22) of arcuate crosssection welded to a plane sheet, an opening (27) leading to a radially extending passage (28) being provided adjacent the outer end of the spirally formed duct (20) to lead spent heating fluid back to the interior of the rotor (14).
    公开号:SU897121A3
    申请号:SU742020264
    申请日:1974-04-30
    公开日:1982-01-07
    发明作者:Ховад Хельге
    申请人:А/С Атлас (Инофирма)；
    IPC主号:
    专利说明:

    The invention relates to drying equipment, in particular for drying fishmeal, entrails from slaughterhouses, wort from breweries and other sticky material of animal or vegetable origin.
    The drying of the mentioned materials in direct-air air dryers is irrational, since such materials are sensitive to heat and easily inflammable during direct drying, therefore, conductive heating should be preferred.
    A drying device for wet and sticky material is known, containing a stationary heated drum with a rotor in the form of a hollow shaft connected to a heat carrier source with transverse disks [P.
    However, such a device has several disadvantages. The smooth surfaces of the disks do not withstand pressure well, and since usually high pressure steam is used as the heating medium, these disks must be made of either thick sheet material, which is associated with an increase in the weight of the device, or, as is done in practice, {Between sheets forming 5 one such disc, weld stiffeners. 'The practical impossibility of using a coolant with high pressures and temperatures in this device leads to low IQ heat transfer efficiency.
    Stiffeners make the manufacturing process of such a device much more expensive, since it is difficult to mechanize the weld, 15 given that up to 90 stiffeners are needed for each disk.
    The purpose of the invention is the intensification of the heat transfer process.
    This goal is achieved by the fact that 2Q that the discs are equipped with scrapers on the periphery, and inside are made with spiral channels, muffled from the outer end and connected to the shaft cavity by the other end, 25 each spiral channel is divided into two strokes, and each disk has an additional radial channel connecting the spiral channel in the area of the muffled end with the shaft cavity.
    In this device, with very low (about 20-60 kcal / m 1 · h <deg) heat transfer between the surface and the heating medium, the disk of the proposed design, in which only part of the surface is directly heated, has a significant effect on heat transfer. Due to the small cross-sectional area of the spiral channels and its limitations inside curved surfaces, the design of such a disk will withstand the relatively high pressure of the heating medium (medium) without the need for additional strengthening. Since the spiral channel preferably has a biconvex cross section, the thickness of each disk is small, which reduces the weight of the structure and material costs, and this, in turn, makes it possible to increase the number of disks on the hollow shaft without overloading the latter and not reducing the effective space for the material to be dried. At the same time, it remains preferable to use smooth surfaces in contact with the material. To do this, the disks are made of flat sheets, and the cavity is spiral-shaped channels formed by laying on a sheet of a spiral-cut strip of arcuate cross-section, and such a strip can be made of half pipe twisted into a spiral, cut in half along the axial plane. In addition, the distance between the individual turns of the spiral can be reduced to a minimum by cutting out the strip used to produce the spiral channel from one workpiece.
    In order to increase heat transfer, the proposed device can be changed so that the spiral channels in the area of the muffled end are connected through an opening in a flat disk and an additional radial channel with a shaft cavity. In this way, the flow rate of the heating medium can be increased, which, in turn, leads to an increase in heat transfer.
    In another embodiment of the invention, the heat transfer can be increased by using a baffle cross-section, dividing each channel into two strokes. In this case, the outer ends of the spiral channels can overlap each other, being connected through an opening in the sheet of the disk.
    The strength of the sheet of the disk and its ability to withstand internal pressure, in accordance with another embodiment of the present invention, can be increased by extruding a spiral bulge in the sheet, which is closed to form a spiral channel by a strip cut in a spiral.
    In cases where a direct flow of the heating medium through the channels is impossible, and when the heating medium is steam that condenses, there are problems associated with the existence of condensate and the air contained in the steam, which returns to the rotor cavity in countercurrent to the steam stream. In the proposed device, this problem is solved by providing in the spiral channel a more or less firmly installed partition, which is a spiral strip ending in the vicinity of the muffled outer end of the said channel.
    I
    To pass condensate between this partition and the inner side of the heating coil, the strip is only partially impermeable. Condensate is mainly collected at the outer end of the channel, where it intersects with steam. From here, condensation and air can be easily removed. The direction of rotation of the shaft is chosen so as to ensure the return of condensate in the cavity of the shaft.
    Figure 1 schematically shows a device, a longitudinal section; on Fig.2disk mounted on the hollow shaft of the device, a front view on an enlarged scale (the shaft is visible in section); in Fig.Z - the same transverse radial section; figure 4 is a disk with an inner edge, a transverse radial section; figure 5 is the same, a top view; Fig.6 is a section aa in Fig.5.
    The dryer contains a fixed drum 1 with a heating drum!
    2, a pipe 3 for introducing the material to be dried and a pipe 4 for its output, which, although Fig. 1 is located at the bottom of the drum, can also be on the side.
    A rotor is mounted coaxially with the rotary cylinder 1 in the form of a rotor in the form of a heat carrier connected to a source of heat through a pipe 5 of a shaft 6, into which a siphon tube 7 is introduced on the other side to remove condensate or spent heating medium if it does not condense.
    The shaft 6 is made with transverse disks 8 having a smooth but not flat outer surface.
    The disks 8 have spiral channels 9 for the heating medium, muffled from the outer end and connected to the other end through the pipe 10 to the cavity of the shaft 6.
    Channel 9, as shown in Fig. 3, has a biconvex or spindle-shaped cross section in the outer turns, and the inner turn has an almost triangular cross section, the base of which is the wall of the shaft 6. In this case, the disk 8 is cut out of a flat metal sheet 11, then, by extrusion or calendaring, a spiral bulge is formed on it, after which a spiral strip 12 is applied to the sheet from the side of the opposite bulge, which was previously cut the same; the way and by which extrusion was made to form an arc in cross section, the strip 12 is then welded to that 11 to obtain a channel 9.
    E0
    Post-channel 40 pro-channel 9 can be divided in the longitudinal direction by a spiral partition 13, which is partially welded along one or both walls of the channel 9 for the formation of two-way motion of the medium. In figure 2, the partition 13 is shown by a dashed line. As can be seen in figure 2, the partition 13 is attached to the outer surface of the shaft 6 at the rear of the pipe 10, which serves to supply the heating medium. The shaft 6 has a tube 14 for condensate return, behind which there is a blind partition 15. All or some of the disks 8 on the periphery have scrapers 16.
    In the exemplary embodiments shown in fi g. 4-6, each
    897121 4 disc 8 is made of a flat sheet
    11, to which a strip cut in a spiral and extruded to form an arcuate section is welded
    12, as a result of which a spiral channel 9 is formed. Adjacent to the muffled outer end of the channel 9 in the sheet 11 there is an opening 17 connected to the radial channel 18 located on the other side of the sheet 11. On channel 18, the condensate from rotates through the tube of the shaft 6.
    The device works at once.
    The raw material enters through the pipe 3. The heating medium supplied through the pipe 10 from the shaft cavity 6 to the channels 9 of the disks 8 passes along the spiral partition 13 along one half of the channels 9 and, having reached their muffled end and the end of the partition 13, not reaching this end, returns to the cavity of the shaft 6 through the other half of the channels 9 and the tube 14. In the case of condensation, the latter will be picked up by the heating medium and thus easily discharged into the cavity of the shaft 6, from where it is removed through the siphon tube 7 · It is very important that the same In this way, air was removed, which, otherwise, forms stationary air plugs, which if condensate is present, warms up and the air returns to the shaft cavity 6 also through the tube 14, behind which a blind partition 15 is provided.
    channel 9 voz14 into the cavity
    IS the following blocking the access of the medium to the channels 9 · By Scrapers 16 are installed crosswise and facilitate the movement of the dried material to the pipe 4.
    If the partition 13 is absent, the rotor rotation should be carried out in such a direction that the muffled end of the grooves 9 will be oriented to ensure the movement of condensate to the shaft cavity due to the rotation of the rotor.
    The pipe 10 is so protruding into the cavity of the shaft 6 that its inner end is above the level of condensate in the cavity of the shaft. The condensate level is determined by the position of the siphon tube 7 ·
    Using the proposed device provides highly efficient drying of wet and sticky materials.
    权利要求:
    Claims (3)
    [1]
    3 is divided into two strokes, and each disk has an additional radial channel connecting the spiral-shaped channel in the zone of the plugged end with the shaft cavity. In this device, when it is low (about 20-60 kcal / m h "deg, heat transfer between the surface and the heating The disk of the proposed design, in which only part of the surface directly heats up, has a significant effect on heat transfer, due to the small cross-sectional area of the spiral channels and its limitation within curvilinear surfaces. The structure of such a disk will withstand a relatively high pressure of the heating coolant (medium) without the need for additional reinforcement. Since the spiral channel has, preferably, a two-convex cross section, the thickness of each disk is small, which leads to a reduction in the weight of the structure and material costs, and this , in turn, makes it possible to increase the number of discs on the hollow shaft, without overloading the latter and without reducing the effective space for the material being dried. At the same time, it remains preferable to use smooth surfaces in contact with the material. For this purpose, the disks are made of flat sheets, and the cavity of the spiral channels is formed by laying a strip of an arc-shaped cross section spirally cut into a sheet, and such a strip can be made of half a coiled pipe cut in half along the axial plane. In addition, the distance between the individual turns of the helix can be reduced to a minimum by cutting the strip used to produce the spiral channel from one blank. In order to increase the heat transfer, the proposed device can be changed so that the spiral channels in the region of the plugged end face through the hole in the flat disk and the additional radial channel with the shaft cavity. In this way, the flow rate of the heating medium can be increased, which, in turn, leads to an increase in heat transfer 4 In another embodiment of the invention, heat transfer can be increased by using a curved cross-section partition dividing each channel into two strokes. In this case, the outer ends of the spiral channels may overlap each other by being connected through an opening in the disk sheet. The strength of a disc sheet and its ability to withstand internal pressure, in accordance with another embodiment of the present invention, can be increased by squeezing a spiral bulge into the sheet, which is closed to form a spiral channel with a spiral cut. In cases where the direct flow of the heating medium through the channels is impossible and the heating medium is vapor that condenses, problems arise due to the existence of condensate contained in the air returning to the rotor cavity to flow back to the vapor flow. In the proposed device, this problem is solved by providing a more or less firmly installed partition in the spiral channel, which is a spiral strip ending near the muffled outer end of the said channel. I To pass the condensate between this partition and the inner side of the heating coil, the strip is only partially tightly attached. The condensate is mainly collected in the outer end of the channel where it intersects with the steam. From here, condensate and air can be easily removed. The direction of rotation of the shaft is chosen in such a way as to ensure the return of condensate to the shaft cavity. Figure 1 schematically shows the device, a longitudinal section; on ftsg.2disk installed on the hollow shaft of the device, front view on an enlarged scale (the shaft is visible in the section); on fig.Z - the same, cross radial section; in fig. - a disk with an internal edge, cross radial section; figure 5 is the same, top view; figure 6 - section aa in figure 5. The drying device comprises a stationary drum 1 with a heating tube 2, a pipe 3 for introducing the material to be dried, and a pipe k for its release, which, although located in figure 1 at the bottom of the drum, can also be located on the side. In the drum 1, the rotor is mounted coaxially with it to rotate in the form of a heat carrier connected to the source by means of a shaft tube 6, into which a siphon tube 7 is introduced from another RHOWA to remove condensate or spent heating medium if it does not condense. Shaft 6 is provided with transverse discs 8 having a smooth but not flat outer surface. The disks 8 have spiral-shaped channels 9 for the heating medium, plugged from the outer end and connected by another end through pipe 10 to the shaft cavity 6. Channel 9, as shown in FIG. 3, has a two-convex or spindle-shaped cross section in the outer turns, and the inner turn It has an almost triangular cross-section, the base of which is the wall of the shaft 6. In this case, the disk 8 is cut out of a flat metal sheet 11, then by means of extrusion or calendering on it form a spiral bulge and then on the side opposite the bulge is applied helical band 12 which was previously cut out in the same manner and to the i Torah extrusion was formed into an arc shape in cross section. After this, the strip 12 is welded to the sheet 11 to form the channel 9. The channel 9 can be divided in the longitudinal direction by a spiral partition 13, which is partially welded along one or both walls of the channel 9 to form a two-way movement of the medium. Figure 2 partition 13 is shown by a dotted line. As can be seen in Fig. 2, the partition 13 is attached to the outer surface of the shaft 6 at the rear of the nozzle 10, which serves to supply the heating medium. Shaft 6 has a condensate return tube 1, behind which there is a blind wall 15. All or some of the disks 8 have scrapers 1 along the periphery. In the exemplary embodiments shown in FIG., Each 16 disk 8 is made of Flat sheet 11, which is welded to cut in a spiral and extruded to obtain an arcuate cross section of strip 12, resulting in a spiral channel 9- Adjacent to the muffled outer end of channel 9 in sheet 11 there is an opening 17 connected to a radial channel 18 located on the other side ISTA 11. Via the channel 18 of the condensate is returned through the pipe 9 into the cavity of the shaft 1 6. The apparatus operates as follows. Raw material enters through pipe 3- Feed through pipe 10 from shaft cavity 6 into channels 9 of disk 8 heating medium passes along the spiral partition 13 along one half of channels 9 and, having reached their muffled end and end of partition 13, is not profitable before this end It returns to the cavity of the shaft 6 through the other half of the channels 9 and the tube 14. In the event of condensation, the latter will be picked up by the heating medium and thus easily withdrawn into the cavity of the shaft b, from where it is removed through the siphon tube 7.In the same way, the air, which otherwise forms stationary air traps that block access to the heating medium to the channels 9, is removed. Therefore, if they are present, condensate and air return to the cavity of the shaft 6 also through the tube 14, behind which the partition wall 15 is provided. The scrapers 1b are mounted crosswise and facilitate the movement of the material being dried to the nozzle 4. If the partition 13 is not present, the rotor should rotate in such a direction that the plugged end of the grooves 9 will be co-ordinated to ensure the movement of condensate to the cavity of the shaft due to the growth of the rotor. The pipe 10 protrudes into the cavity of the shaft 6 so that its inner end is above the level of the condensate in the cavity of the shaft. At the same time, the level of ondensat is determined by the position of the ion tube 7. The use of the proposed device provides a highly efficient eyelet of moist and sticky materials. 7 Claim 1. Drying device for wet and sticky material containing a stationary heated drum with a rotor in the form of a hollow shaft with transverse disks connected to a heat source of heat carrier, characterized in that, in order to intensify the heat exchange process, the disks along the periphery are equipped with scrapers. and inside they are made with spiral-shaped channels that are plugged from the outer end and connected to the shaft cavity with another end. I hl
    IG J
    [2]
    2. The device according to claim 1, that is, so that each spiral channel is divided by a partition into two turns.
    [3]
    3. The device according to claim 1, about tl and each so that each disk has an additional radial channel connecting the spiral-shaped channel in the zone of the plugged end with the shaft cavity. Sources of information taken into account during the examination 1. USSR author's certificate N 182585, cl. F 26 B 9/08, 1965. i I l A A
    11 fd
    Fig.b
    12
    If
    - f f iCTf - t - - -j -r L
    g. . rr rr.r.r., / r r ..
    18
    Phie.
    / 7
    Fy
    d
    % r6
    类似技术:
    公开号 | 公开日 | 专利标题
    SU897121A3|1982-01-07|Drying device for damp and sticky material
    SU676178A3|1979-07-25|Press for separating liquid and solid phases
    US2983486A|1961-05-09|Element arrangement for a regenerative heat exchanger
    JPH09133125A|1997-05-20|Steam heating roller
    US4640345A|1987-02-03|Rotating heat exchanger
    EP3414505B1|2021-01-13|A mechanical vapour recompression apparatus
    US2970812A|1961-02-07|Drum type heat exchanger
    FI60260C|1981-12-10|the drying cylinder
    CA1079958A|1980-06-24|Pulp and paper drying apparatus and method
    US3306460A|1967-02-28|Wire wound filter with underlying peripherally spaced cover elements
    EP1983850B1|2010-12-15|Rotary dryer for leaf, strip or shredded tobacco
    US5165471A|1992-11-24|Heat exchanger fluid removal system
    US1689189A|1928-10-30|Rotary heat exchanger
    EP0031604B1|1984-05-23|Rotary stirrer with internal heating
    CA1040419A|1978-10-17|Drum and disc dryer
    US2162973A|1939-06-20|Rotary drier
    CN110074251A|2019-08-02|The production system of soy protein concentrate
    US2724909A|1955-11-29|Drum drier
    JP2001501722A|2001-02-06|Drying plant with annular drying element and drying element
    CN109282497A|2019-01-29|A kind of full premixed condensed exchanger
    JP3894499B2|2007-03-22|Rotary dryer with indirect heating pipe
    CN210980649U|2020-07-10|A drying device for mercuric chloride catalyst production
    US1992705A|1935-02-26|Apparatus for burning materials
    CN211977483U|2020-11-20|Disc type drying machine with salient points arranged on surface of drying disc
    CN211476598U|2020-09-11|Disk dryer with extended mass transfer path
    同族专利:
    公开号 | 公开日
    DK138406B|1978-08-28|
    BR7403479D0|1974-12-24|
    FR2228212A1|1974-11-29|
    DE2420662C2|1985-09-12|
    ES202779Y|1976-04-01|
    JPS5241501B2|1977-10-19|
    FR2228212B3|1977-03-04|
    DK138406C|1979-02-05|
    DE2420662A1|1974-11-21|
    US3923097A|1975-12-02|
    GB1463688A|1977-02-02|
    PL88803B1|1976-09-30|
    DD115752A5|1975-10-12|
    NL7405645A|1974-11-05|
    ES202779U|1975-12-01|
    JPS5027151A|1975-03-20|
    DK138406A|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    RU2551492C2|2010-04-26|2015-05-27|КСИЛЕМ АйПи ХОЛДИНГЗ ЭлЭлСи|Guide adapter for septic tank|US230976A|1880-08-10|Milk cooler and heater |
    DE510013C|1929-10-19|1930-10-15|Hermann Hausleiter F|Method for fastening the sheet metal in copying machines, especially those of a vertical type|
    FR1231811A|1959-04-16|1960-10-03|Improvements made to heat exchangers and in particular to seawater stills|
    DE1854589U|1962-04-24|1962-07-05|Doka Schalungs Und Geruestungs|COVERING PLATE FOR SCAFFOLD FRAME.|
    US3486740A|1967-03-02|1969-12-30|Packaged Power Terminals Inc|Apparatus for treating flowable materials|
    DE1913226B1|1969-03-15|1970-08-27|Krupp Gmbh|Heat exchanger consisting of hollow disks|
    NO122742B|1970-05-16|1971-08-02|Stord Bartz Industri As|
    US3777810A|1972-08-24|1973-12-11|Strong Mfg Co Scott|Dryer|JPS52102992A|1976-02-24|1977-08-29|Toshiba Corp|Plenum for nuclear container|
    US4337583A|1981-05-14|1982-07-06|Harris Kenneth R|Apparatus and method for drying a substance|
    DE3415236C2|1984-04-21|1987-04-09|Fried. Krupp Gmbh, 4300 Essen, De|
    JPS613986A|1984-06-18|1986-01-09|Okawara Mfg|Heat transfer pipe build-in type horizontal type fluidized bed drier|
    JPS64636B2|1984-08-02|1989-01-09|Sutorudo Batsuru As|
    DK155468C|1984-10-04|1989-08-14|Atlas As|DRY DEVICE INCLUDING A STATIONARY HOUSE AND A ROTOR WITH A NUMBER OF ANNUAL DRY BODIES|
    US4621684A|1985-01-22|1986-11-11|Delahunty Terry W|Rotary heat exchanger with circumferential passages|
    DK154800C|1986-04-03|1989-07-03|Atlas As|DRY DEVICE INCLUDING A STATIONARY HOUSE AND A ROTOR WITH A NUMBER OF ANNUAL DRY BODIES|
    AU626519B2|1987-12-28|1992-08-06|Henrik Ullum|Device for heating and/or drying|
    DK160846C|1988-11-10|1991-10-07|Atlas Ind As|ROTATING TOURS AND USE THEREOF|
    US5928678A|1990-08-31|1999-07-27|Agp, L.P.|Mash feed conditioning apparatus|
    GB9204093D0|1992-02-26|1992-04-08|Wykes Engineering Co Rushden L|Multi-disc heat exchanger|
    ES2110870B1|1994-03-10|1999-04-01|Mc Enman S L|APPARATUS AND PROCEDURE FOR DEHUMIDIZING PRODUCTS IN THE FORM OF PASTA BY INTENSIVE EVAPORATION.|
    NO178777C|1994-05-09|1996-05-29|Kvaerner Eng|Heat Exchanger|
    US5927970A|1996-10-02|1999-07-27|Onsite Technology, L.L.C.|Apparatus for recovering hydrocarbons from solids|
    ES2201324T3|1996-10-08|2004-03-16|Atlas-Stord Denmark A/S|CIRCULAR DRYING ELEMENT AND DRYING PLANT CONTAINING SUCH ELEMENT.|
    DK174551B1|2000-12-12|2003-05-26|Atlas Stord Denmark As|Annular drying element, method and use for its manufacture and dryer|
    NO315061B1|2001-07-26|2003-06-30|Stord Bartz As|Device at the plate in disc dry|
    US20040222590A9|2001-12-11|2004-11-11|Loewenstein David Allen|Poker game|
    US7306057B2|2002-01-18|2007-12-11|Varco I/P, Inc.|Thermal drill cuttings treatment with weir system|
    US20030136747A1|2002-01-18|2003-07-24|Wood Bradford Russell|Soil cleaning systems and methods|
    JP4436822B2|2006-10-25|2010-03-24|株式会社奈良機械製作所|Heat exchanger for powder and production method thereof|
    FR2940422B1|2008-12-19|2010-12-03|Gea Batignolles Technologies T|HEAT EXCHANGER COMPRISING GROOVED FINNED TUBES|
    CN101870550A|2010-06-04|2010-10-27|浙江大学|Double-blade tilted self-cleaning sludge vacuum continuous drying machine|
    AU2014298495B2|2013-07-30|2018-04-26|Tessenderlo Group Nv/Sa|Method for producing hydrolysed keratinaceous material|
    ES2577180T3|2013-07-30|2016-07-13|Tessenderlo Chemie NV|Method for producing hydrolyzed keratinous material|
    CN106871604A|2015-12-10|2017-06-20|俞扬池|A kind of copper powder drying equipment|
    RU2614304C1|2016-01-12|2017-03-24|Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Кубанский государственный аграрный университет"|Heat exchanger|
    CN105727811B|2016-03-11|2018-01-12|无锡职业技术学院|Graphene mixing stripping system and method|
    CN106179038B|2016-08-31|2020-04-24|山东豪迈机械制造有限公司|Stirring shaft capable of exchanging heat and tubular reactor|
    US10434483B2|2017-02-15|2019-10-08|Wenger Manufacturing Inc.|High thermal transfer hollow core extrusion screw assembly|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DK732352A|DK138406C|1973-05-01|1973-05-01|
    [返回顶部]