CN210302434U - Vertical internal circulation heat exchange vacuum evaporation concentration tank - Google Patents
Vertical internal circulation heat exchange vacuum evaporation concentration tank Download PDFInfo
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- CN210302434U CN210302434U CN201920934773.5U CN201920934773U CN210302434U CN 210302434 U CN210302434 U CN 210302434U CN 201920934773 U CN201920934773 U CN 201920934773U CN 210302434 U CN210302434 U CN 210302434U
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Abstract
The utility model discloses a vertical internal circulation heat exchange vacuum evaporation concentration tank, which comprises an outer barrel body, wherein a speed reduction motor driving device is arranged at the center of the top of the outer barrel body, the power output end of the speed reduction motor driving device is fixedly connected with a rotating shaft, a feed inlet, a detection interface and a steam outlet are arranged at the top of the outer barrel body, and materials are fed through the feed inlet; the center of the bottom of the outer cylinder body is provided with a discharge hole. The utility model discloses a concentrated jar is vertical heat transfer vacuum evaporation concentration jar, can realize the evaporation concentration or the two kinds of functions of cooling crystallization to the material through letting in hot water or cold water to the concentrate after the evaporation and the crystal that obtains after the cooling can directly scrape to notch department through the scraper, then through the automatic discharge of action of gravity, convenient to use, and the vapor that produces among the evaporation concentration process and the cooling crystallization in-process exhaust cooling water homoenergetic recycle.
Description
Technical Field
The utility model belongs to pharmacy, chemical industry field relate to a vertical inner loop heat transfer vacuum evaporation concentration jar and inner loop system thereof.
Background
Evaporative or cooling type concentration crystallization equipment is a common operation unit in pharmaceutical and chemical processes, and is very commonly applied to the production process of crystalline substances. The common concentration crystallization equipment is in two process forms: the evaporation type and cooling type, common evaporation type concentration equipment, adopts the method that an external heater heats the circulating feed liquid to enter a vacuum flash evaporation chamber for evaporation to reach supersaturation, thereby generating the concentrated material with higher concentration. Therefore, the essential conditions for evaporation and concentration are that heat energy is supplied continuously, and the vaporized secondary steam is discharged continuously, so that a large amount of steam is used for heating. The cooling type concentration crystallization equipment cools saturated feed liquid by an external cooler to reach supersaturation, thereby generating crystals, forming concentrated crystals and achieving the effect of concentrating materials. The structure of the concentration crystallization equipment is vertical and horizontal, wherein the vertical is mainly a cavity shell and tube type, and the horizontal is a fixed cooling plate with a scraper and an intermittent discharge type.
The existing concentration crystallization equipment can not combine vacuum flash evaporation and cooling crystallization into a whole set of complete process system and equipment. And the crystallization effect of the concentrated solution is limited to a certain limit, and the removal of the concentrated solution is not convenient enough.
The utility model with application number of CN200920210579.9 discloses a high-efficiency scraped wall type hollow plate cooling continuous crystallizer, which comprises a plurality of hollow cooling plates combined and arranged in a U-shaped horizontal long groove-shaped container, a rotating shaft passes through all the cooling plates, a separation disc is arranged between every two cooling plates, an adjustable wall scraping type stirring device is arranged on the separation disc and the rotating shaft, all the separation discs and the wall scraping type stirring devices are arranged on the rotating shaft and are driven by a motor and a speed reducer to rotate and stir, the wall of the wall scraping type stirring device is cleaned, all the crystal on the surface of the cooling plate is quickly scraped, but the scraped materials are all accumulated at the bottom of the horizontal long groove-shaped container, the crystal needs to be pushed out additionally, the use is inconvenient, meanwhile, the device can only be used for cooling and crystallizing materials, and can not be applied to evaporative concentration of the materials due to the structural limitation of the equipment.
Disclosure of Invention
An object of the utility model is to provide a vertical inner loop heat transfer vacuum evaporation concentration jar, this concentration jar is vertical vacuum evaporation concentration jar, can realize the evaporative concentration or the cooling crystallization two kinds of functions to the material through letting in hot steam or cold water, and the crystal that obtains after the concentrate after the evaporation and the cooling can directly scrape to notch department through the scraper, then through the automatic discharge of action of gravity, high durability and convenient use, and the vapor that produces among the evaporative concentration process and the cooling crystallization in-process exhaust cooling water homoenergetic circulated use, it can not satisfy two kinds of technologies of evaporative concentration and cooling crystallization simultaneously to have solved among the prior art concentration jar, and the product discharge after the cooling crystallization is inconvenient, low temperature steam can not cyclic utilization's problem simultaneously.
The purpose of the utility model can be realized by the following technical scheme:
a vertical internal circulation heat exchange vacuum evaporation concentration tank comprises an outer cylinder body, wherein a speed reduction motor driving device is installed at the center of the top of the outer cylinder body, a power output end of the speed reduction motor driving device is fixedly connected with a rotating shaft, a feed inlet, a detection interface and a steam outlet are formed in the top of the outer cylinder body, and materials are fed through the feed inlet; a discharge hole is formed in the center of the bottom of the outer cylinder body;
the jacket type heat exchange plate comprises an outer cylinder and a jacket type heat exchange plate, wherein a plurality of jacket type heat exchange plates are sequentially arranged in the outer cylinder from top to bottom, the outer surface of the side wall of each jacket type heat exchange plate is supported, arranged and fixed on the inner surface of the side wall of the outer cylinder through the heat exchange plate, a water inlet pipe and a water outlet pipe are arranged on the side wall of each jacket type heat exchange plate, one end of each water inlet pipe is communicated with a water inlet header pipe, and;
the middle part of the surface of the jacketed heat exchange plate is provided with a through hole which is not communicated with the inside of the jacketed heat exchange plate, a rotating shaft sequentially penetrates through the through holes on the surfaces of the jacketed heat exchange plates, a plurality of pairs of scraper groups are arranged on the rotating shaft, meanwhile, one side of the surface of the jacketed heat exchange plate is provided with a notch which is communicated with the through holes and extends to the side, and the notches of the jacketed heat exchange plates correspond to each other;
the scraper group comprises an upper scraper and a lower scraper which are arranged on the rotating shaft, the upper scraper is pressed with the upper surface of the jacket type heat exchange plate, and the lower scraper is pressed with the bottom surface of the jacket type heat exchange plate.
Furthermore, the side wall of the upper part, the middle part or the bottom of the outer cylinder body is provided with an installation detection inlet hole, the bottom of the outer cylinder body is supported by support legs, and the number of the support legs is 3-6; the tank body supports can also be arranged on the outer wall of the middle part of the tank body, an ear type supporting mode is adopted, and the number of the tank body supports is also varied from 3 to 6 according to the calculation design requirement.
Further, the outer cylinder body comprises an upper end enclosure, a middle cylinder body and a lower end enclosure which are sequentially connected and fixed from top to bottom, the upper end enclosure adopts an elliptical end enclosure, a butterfly end enclosure or a planar end enclosure, the lower end enclosure adopts a conical end enclosure, a square conical end enclosure, an elliptical end enclosure or a butterfly end enclosure, and the upper end enclosure is connected with the middle cylinder body through a flange; the diameter of the upper end enclosure is larger or smaller than the size of the middle cylinder body according to actual configuration, and the upper end enclosure is in conical transition connection with the middle cylinder body; the feed inlet, the detection interface and the steam outlet are all located at the top of the upper end enclosure, and the discharge port is located at the bottom of the lower end enclosure.
Furthermore, the jacketed heat exchange plates are distributed horizontally, a plurality of jacketed heat exchange plates are distributed in the outer cylinder body at equal intervals, the jacketed heat exchange plates are flat plate disc rings or conical disc rings, and the periphery of each jacketed heat exchange plate is closed.
Furthermore, a plurality of reinforcing rib plates are welded inside the jacket type heat exchange plate, and a plurality of water through holes are formed in the reinforcing rib plates.
Further, the notch is of a long groove type, a V type or a semicircular type.
The utility model has the advantages that:
1. the utility model discloses a set the vertical jar body with the concentration jar, can ensure that the material after the concentration and the crystal after the cooling pass through the automatic discharge of action of gravity, and then can ensure that evaporative concentration and cooling crystallization technology satisfy simultaneously, and the material after concentration and cooling need not to release in addition, high durability and convenient use, the horizontal jar of body of using in having solved current technology, make the concentrate after the concentration can not discharge completely, and then the jar body can only be used for cooling crystallization can not be used for evaporative concentration, and the crystal after the cooling needs to release in addition, use inconvenient problem.
2. The utility model discloses a set up vacuum suction turbocharging system and can pressurize the vapor that produces to the evaporation concentration in-process and carry out the temperature to the vapor after will carrying the temperature lets in the double-layered cover formula heat transfer board, realizes the heating of double-layered cover formula heat transfer board, and then realizes recycling the vapor, saves cost and energy.
3. The utility model discloses a set up the refrigerant system, can cool off exhaust circulating water after the cooling to in letting in the jacket formula heat transfer board with the water after the cooling, realize the cooling to the jacket formula heat transfer board, and then realize saving cost and energy to the cyclic utilization of cooling water.
4. The utility model discloses a set up and sweep the rinse-system, can sweep or wash each pipeline and the interior solid particle of leaving over of double-layered formula heat transfer board and harmful substance, and then can prevent the deposit of the inside solid matter of pipeline and harmful substance, cause the pipeline to block up.
Drawings
The present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the internal circulation heat exchange vacuum evaporation concentration tank of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a schematic view of a cross section of a plate-disk ring type heat exchange plate and a structure of a reinforcing rib;
FIG. 4 is a schematic view of a section of a conical disc-ring type heat exchange plate and a structure of a reinforcing rib plate;
FIG. 5 is a schematic structural view of a jacketed heat exchange plate;
fig. 6 is a partially enlarged view of fig. 1.
Detailed Description
A vertical internal circulation heat exchange vacuum evaporation concentration tank is shown in figure 1 and comprises an outer cylinder body 1, wherein a speed reduction motor driving device 2 is installed at the center of the top of the outer cylinder body 1, a power output end of the speed reduction motor driving device 2 is fixedly connected with a rotating shaft 21, a feeding hole 11, a detection interface 12 and a steam outlet 13 are formed in the top of the outer cylinder body 1, and materials are fed through the feeding hole 11; a discharge hole 15 is formed in the center of the bottom of the outer cylinder body 1, a back flush interface 19 is formed in the side edge of the bottom of the outer cylinder body 1, installation detection inlet holes 14 are formed in the upper portion, the middle portion or the side wall of the bottom of the outer cylinder body 1, the bottom of the outer cylinder body 1 is supported by support legs, and the number of the support legs is 3-6; the tank body supports can also be arranged on the outer wall of the middle part of the tank body, an ear type supporting mode is adopted, and the number of the tank body supports is also different from 3 to 6 according to the calculation design requirement;
as shown in fig. 2, the outer cylinder 1 comprises an upper end enclosure 16, a middle cylinder 17 and a lower end enclosure 18 which are connected and fixed in sequence from top to bottom, the upper end enclosure 16 adopts an elliptical end enclosure, a butterfly end enclosure or a planar end enclosure, the lower end enclosure 18 adopts a conical end enclosure, a square conical end enclosure, an elliptical end enclosure or a butterfly end enclosure, the upper end enclosure 16 and the middle cylinder 17 are connected by a flange 161 (the design enables a jacket type heat exchange plate to be placed in the cylinder), and when the jacket type heat exchange plate is installed, the upper end enclosure 16 and the middle cylinder 17 can be opened and then installed; the diameter of the upper end enclosure is larger or smaller than the size of the middle cylinder body according to actual configuration, and the upper end enclosure 16 is in conical transitional connection with the middle cylinder body 17; the feed inlet 11, the detection interface 12 and the steam outlet 13 are all positioned at the top of the upper seal head 16, and the discharge outlet 15 is positioned at the bottom of the lower seal head 18;
the size of the outer cylinder body 1 is configured according to the process design requirement, the length dimension is 1.5-12 meters, and the diameter of the cylinder body is 1.0-5 meters;
a plurality of jacketed heat exchange plates 3 are sequentially arranged in the outer cylinder 1 from top to bottom, the jacketed heat exchange plates 3 are horizontally distributed, and a plurality of jacketed heat exchange plates 3 are equidistantly distributed in the outer cylinder 1, the jacketed heat exchange plates 3 are flat disc-ring type or conical disc-ring type, the periphery of each jacketed heat exchange plate 3 is closed, the outer surface of the side wall of each jacketed heat exchange plate 3 is fixedly arranged on the inner surface of the side wall of the outer cylinder 1 through a heat exchange plate support 36, meanwhile, the side wall of the jacketed heat exchange plate 3 is provided with a first through hole and a second through hole, the first through hole and the second through hole are respectively and integrally connected and fixed with a water inlet pipe 31 and a water outlet pipe 32, meanwhile, the side wall of the outer cylinder 1 is provided with a third through hole and a fourth through hole corresponding to the water inlet pipe 31 and the water outlet pipe 32, meanwhile, one end of each of the plurality of water inlet pipes 31 is communicated with the water inlet header pipe 4, and one end of each of the plurality of water outlet pipes 32 is communicated with the water outlet header pipe 5; a plurality of reinforcing rib plates 35 are welded inside the jacketed heat exchange plate 3, and a plurality of water through holes 351 are formed in the reinforcing rib plates 35, as shown in fig. 3 and 4, the reinforcing rib plates 35 are in a strip-shaped or arch-shaped structure, so that water (or steam) entering the jacketed heat exchange plate 3 can be buffered through the reinforcing rib plates 35, and the water flow (or steam) is prevented from being too fast and too large; water (or steam) enters the plurality of water inlet pipes 31 through the water inlet header pipe 4 and then enters the interior of the jacketed heat exchange plate 3 through the plurality of water inlet pipes 31, the water (or steam) sequentially passes through the water through holes 351 in the reinforcing rib plates 35 in the jacketed heat exchange plate 3, and the water (or steam) is discharged into the water outlet header pipe 5 through the water outlet pipe 32 after heat exchange and then is discharged from the water outlet header pipe 5;
as shown in fig. 5, a penetration hole 33 is formed in the middle of the surface of the jacketed heat exchange plate 3, the penetration hole 33 is not communicated with the inside of the jacketed heat exchange plate 3, the rotating shaft 21 sequentially penetrates through the penetration holes 33 on the surfaces of the jacketed heat exchange plates 3, a plurality of pairs of scraper sets 6 are mounted on the rotating shaft 21, a notch 34 which is communicated with the penetration hole 33 and extends to the side is formed in one side of the surface of the jacketed heat exchange plate 3, and the notches 34 of the jacketed heat exchange plates 3 correspond to each other; the notch 34 is a long groove type, a V type or a semicircular type, and when in maintenance, a detector enters the outer cylinder 1 through the installation detection inlet hole 14 at the bottom of the outer cylinder 1 and then enters the middle of the jacketed heat exchange plate 3 through the notch 34 for installation and maintenance;
as shown in fig. 6, the blade set 6 includes an upper blade 61 and a lower blade 62 mounted on the rotating shaft 21, the upper blade 61 is pressed against the upper surface of the jacketed heat exchange plate 3, and the lower blade 62 is pressed against the bottom surface of the jacketed heat exchange plate 3; when evaporation concentration is carried out on materials, steam inside the jacketed heat exchange plate 3 heats the materials in the cylinder body 1 through the jacketed heat exchange plate 3, the materials enter the outer cylinder body 1 from the feeding hole 11 and are heated after contacting with the jacketed heat exchange plate 3, wherein water in the materials is evaporated, the concentration of the materials is gradually increased, and the materials are gradually concentrated; when the material is cooled and crystallized, the jacketed heat exchange plate 3 cools the material contacted with the surface of the jacketed heat exchange plate 3 through the internal cold water, so that the material is crystallized on the surface and the bottom surface of the jacketed heat exchange plate 3, at this time, the upper scraper 61 and the lower scraper 62 are driven by the rotating shaft 21 to rotate and scrape the crystals on the surface and the bottom surface of the jacketed heat exchange plate 3, then the concentrate or the crystals are pushed to the notch 34 when the upper scraper 61 and the lower scraper 62 rotate, and the concentrate or the crystals slide down to the discharge port 15 at the bottom of the outer cylinder 1 from the notch 34 and are discharged from the discharge port 15;
the steam outlet 13 is connected to the vacuum pumping pressurization system 7 through a low-temperature steam pipeline 71, the vacuum pumping pressurization system 7 is connected to the water inlet main pipe 4 through a high-temperature steam pipeline 72, a first valve 100 and a second valve 101 are respectively arranged on the low-temperature steam pipeline 71 and the high-temperature steam pipeline 72, steam generated during evaporation concentration of the material enters the low-temperature steam pipeline 71 through the steam outlet 13, then the steam is pressurized and heated through the vacuum pumping pressurization system 7, the heated steam is introduced into the water inlet main pipe 4 through the high-temperature steam pipeline 72, then the high-temperature steam introduced into the water inlet main pipe 4 enters the interior of the jacketed heat exchange plate 3 through the water inlet pipe 31, the jacketed heat exchange plate 3 is heated, evaporation concentration of the material is achieved, and heat recycling can be achieved; in the vacuum suction process, the vacuum pressure control position in the tank body is 0.1MPa-400 Pa;
the water outlet main pipe 5 is connected to the refrigerant system 9 through a cooling water return pipeline 91, or the water outlet main pipe 5 is directly connected to a steam-water discharge pipeline 92, meanwhile, the refrigerant system 9 is connected to the water inlet main pipe 4 through a cooling water pipeline 93, and a third valve 102, a fourth valve 103 and a fifth valve 104 are respectively arranged on the cooling water return pipeline 91, the steam-water discharge pipeline 92 and the cold water pipeline 93; when materials are cooled and crystallized, water reflowed in the jacketed heat exchange plate 3 is introduced into the refrigerant system 9 through the cooling water backflow pipeline 91, cooling water formed after the cooling of the refrigerant system 9 is introduced into the water inlet header pipe 4, and the cooling water enters the jacketed heat exchange plate 3 through the water inlet header pipe 4 to cool and crystallize the materials, so that the recycling of the cooled water is realized; when the materials are evaporated and concentrated, the reflowing hot water and steam are discharged or recycled through the steam-water discharge pipeline 92;
the water inlet main pipe 4 is connected with the compressed air or high-pressure water blowing system 8 through a compressed air or high-pressure water inlet pipeline 81, the compressed air or high-pressure water inlet pipeline 81 is provided with a sixth valve 105, after materials are evaporated, concentrated or cooled, because solid particles and harmful substances are left in each pipeline and steam in the jacketed heat exchange plates 3, the compressed air or high-pressure water blowing system 8 continuously blows compressed air or high-pressure water into the water inlet main pipe 4, the water inlet pipe 31, the jacketed heat exchange plates 3, the water outlet pipe 32 and the water outlet main pipe 5 for blowing, and the residual solid particles and harmful substances in the pipelines and the jacketed heat exchange plates 3 are removed.
The specific working process of the vacuum evaporation concentration tank is as follows:
(1) when the material is evaporated and concentrated, the specific process is as follows:
s11, opening the first valve 100, the second valve 101 and the fourth valve 103, and simultaneously closing the third valve 102, the fifth valve 104 and the sixth valve 105;
s12, pressurized hot steam water enters a plurality of water inlet pipes 31 through a water inlet header pipe 4 and then enters the interiors of the jacketed heat exchange plates 3 through the water inlet pipes 31, steam inside the jacketed heat exchange plates 3 heats materials in the cylinder body 1 through the jacketed heat exchange plates 3, the heated hot water is discharged into a water outlet header pipe 5 through a water outlet pipe 32 and enters a steam water discharge pipeline pipe 92 through a water outlet header pipe 5 to be discharged, meanwhile, the materials are added into the interior of the outer cylinder body 1 from a feed inlet 11 to heat the materials, moisture in the materials is evaporated, the evaporated steam is discharged through a steam outlet 13, the concentration of the materials is gradually increased, and the materials are gradually concentrated;
s13, steam formed in the evaporation concentration process enters a low-temperature steam pipeline 71 through a steam outlet 13, then is pressurized and heated through a vacuum pumping pressurization system 7, the heated steam is introduced into a water inlet main pipe 4 through a high-temperature steam pipeline 72, then the high-temperature steam introduced into the water inlet main pipe 4 enters the interior of the jacketed heat exchange plate 3 through a water inlet pipe 31, the steam inside the jacketed heat exchange plate 3 heats materials in the cylinder body 1 through the jacketed heat exchange plate 3, the materials are evaporated and concentrated, and the heat is recycled;
s14, discharging or recycling the steam-water mixture generated in the evaporation concentration process through a steam-water discharge pipeline 92;
and S15, after evaporation and concentration of the materials are finished, closing the first valve 100, the second valve 101 and the fourth valve 103, then opening the sixth valve 105, and continuously blowing compressed air or high-pressure water into the water inlet main pipe 4, the water inlet pipe 31, the jacketed heat exchange plate 3, the water outlet pipe 32 and the water outlet main pipe 5 for blowing through the compressed air or high-pressure water blowing system 8 to remove solid particles and harmful substances remained in the pipeline and the jacketed heat exchange plate 3.
(2) When the material is cooled and crystallized, the specific process is as follows:
s21, opening the third valve 102 and the fifth valve 104 and closing the first valve 100, the second valve 101, the fourth valve 103 and the sixth valve 105;
s22, cold water enters a plurality of water inlet pipes 31 through a water inlet header pipe 4 and then enters the interiors of the jacketed heat exchange plates 3 through the plurality of water inlet pipes 31, the jacketed heat exchange plates 3 cool and crystallize the concentrated materials through the cold water in the interiors through the jacketed heat exchange plates 3, and the cooled materials form crystals which are condensed on the surfaces and the bottom surfaces of the jacketed heat exchange plates 3;
s23, controlling the rotation shaft 21 to rotate through the speed reducing motor driving device, driving the upper scraper 61 and the lower scraper 62 to rotate by the rotation shaft 21 to scrape the crystals on the surface and the bottom of the jacketed heat exchange plate 3, simultaneously pushing the crystals to the notch 34 in the rotation process of the upper scraper 61 and the lower scraper 62, sliding the crystals from the notch 34 to the discharge hole 15 at the bottom of the outer cylinder 1, and then discharging the crystals from the discharge hole 15;
s24, discharging water circulated in the jacketed heat exchange plate 3 in the cooling crystallization process through a water outlet header pipe 5, introducing the discharged circulating water into a refrigerant system 9 through a cooling water return pipeline 91, forming cooling water after the cooling of the refrigerant system 9, introducing the cooling water into a water inlet header pipe 4, and allowing the cooling water to enter the jacketed heat exchange plate 3 through the water inlet header pipe 4 to continuously cool and crystallize the material so as to realize the recycling of the cooled water;
and S25, after the material is cooled and crystallized, closing the third valve 102 and the fifth valve 104, then opening the sixth valve 105, continuously blowing air into the outer cylinder 1 through the compressed air blowing system 8 for blowing, removing cold water remained in the pipeline and the jacketed heat exchange plate 3, and preparing for heating and concentrating at the next stage.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.
Claims (6)
1. A vertical internal circulation heat exchange vacuum evaporation concentration tank is characterized by comprising an outer cylinder body (1), wherein a speed reduction motor driving device (2) is installed at the center of the top of the outer cylinder body (1), the power output end of the speed reduction motor driving device (2) is fixedly connected with a rotating shaft (21), a feeding hole (11), a detection interface (12) and a steam outlet (13) are formed in the top of the outer cylinder body (1), and materials are fed through the feeding hole (11); a discharge hole (15) is formed in the center of the bottom of the outer cylinder body (1);
a plurality of jacket type heat exchange plates (3) are sequentially arranged in the outer cylinder body (1) from top to bottom, the outer surfaces of the side walls of the jacket type heat exchange plates (3) are fixedly arranged on the inner surface of the side wall of the outer cylinder body (1) through heat exchange plate supports (36), water inlet pipes (31) and water outlet pipes (32) are arranged on the side walls of the jacket type heat exchange plates (3), meanwhile, one ends of the water inlet pipes (31) are communicated with a water inlet main pipe (4), and one ends of the water outlet pipes (32) are communicated with a water outlet main pipe (5);
the middle part of the surface of each jacket type heat exchange plate (3) is provided with a through hole (33), the through holes (33) are not communicated with the inside of each jacket type heat exchange plate (3), a rotating shaft (21) sequentially penetrates through the through holes (33) on the surfaces of the jacket type heat exchange plates (3), a plurality of pairs of scraper sets (6) are installed on the rotating shaft (21), meanwhile, one side of the surface of each jacket type heat exchange plate (3) is provided with a notch (34) which is communicated with the through holes (33) and extends to the side, and the notches (34) of the jacket type heat exchange plates (3) correspond to each other;
the scraper group (6) comprises an upper scraper (61) and a lower scraper (62) which are arranged on the rotating shaft (21), the upper scraper (61) is pressed against the upper surface of the jacket type heat exchange plate (3), and the lower scraper (62) is pressed against the bottom surface of the jacket type heat exchange plate (3).
2. The vertical internal circulation heat exchange vacuum evaporation concentration tank as claimed in claim 1, wherein the upper, middle or bottom side wall of the outer cylinder (1) is provided with an installation detection access hole (14), and the bottom of the outer cylinder (1) is supported by support legs, the number of the support legs is 3-6.
3. The vertical internal circulation heat exchange vacuum evaporation concentration tank as claimed in claim 1, wherein the outer cylinder (1) comprises an upper end enclosure (16), a middle cylinder (17) and a lower end enclosure (18) which are sequentially connected and fixed from top to bottom, the upper end enclosure (16) adopts an elliptical end enclosure, a butterfly end enclosure or a planar end enclosure, the lower end enclosure (18) adopts a conical end enclosure, a square conical end enclosure, an elliptical end enclosure or a butterfly end enclosure, and the upper end enclosure (16) is connected with the middle cylinder (17) through a flange (161); the diameter of the upper end enclosure (16) is larger or smaller than the size of the middle cylinder body according to actual configuration, and at the moment, the upper end enclosure (16) is in conical transitional connection with the middle cylinder body (17); the feed inlet (11), the detection interface (12) and the steam outlet (13) are all positioned at the top of the upper seal head (16), and the discharge port (15) is positioned at the bottom of the lower seal head (18).
4. The vertical internal circulation heat exchange vacuum evaporation concentration tank as claimed in claim 1, wherein the jacketed heat exchange plates (3) are distributed horizontally, and a plurality of jacketed heat exchange plates (3) are distributed in the outer cylinder (1) at equal intervals, the jacketed heat exchange plates (3) are flat disc-ring type or conical disc-ring type, and the periphery of each jacketed heat exchange plate (3) is closed.
5. The vertical internal circulation heat exchange vacuum evaporation concentration tank according to claim 1, wherein a plurality of reinforcing rib plates (35) are welded inside the jacketed heat exchange plate (3), and a plurality of water through holes (351) are formed in the reinforcing rib plates (35).
6. The vertical internal circulation heat exchange vacuum evaporation concentration tank as claimed in claim 1, wherein the notch (34) is of a long groove type, a V-shaped or a semicircular type.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920934773.5U CN210302434U (en) | 2019-06-20 | 2019-06-20 | Vertical internal circulation heat exchange vacuum evaporation concentration tank |
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| CN201920934773.5U CN210302434U (en) | 2019-06-20 | 2019-06-20 | Vertical internal circulation heat exchange vacuum evaporation concentration tank |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110124338A (en) * | 2019-06-20 | 2019-08-16 | 江苏瑾瑜节能环保科技有限公司 | A kind of vertical internal-circulating heat exchange vacuum evaporation tank and its concentration systems |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110124338A (en) * | 2019-06-20 | 2019-08-16 | 江苏瑾瑜节能环保科技有限公司 | A kind of vertical internal-circulating heat exchange vacuum evaporation tank and its concentration systems |
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