CN218371819U - Heat preservation device for decompression dehydration drying - Google Patents
Heat preservation device for decompression dehydration drying Download PDFInfo
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- CN218371819U CN218371819U CN202222721507.9U CN202222721507U CN218371819U CN 218371819 U CN218371819 U CN 218371819U CN 202222721507 U CN202222721507 U CN 202222721507U CN 218371819 U CN218371819 U CN 218371819U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model discloses a heat preservation device for decompression, dehydration and drying, which comprises a base, wherein a heat preservation shell is arranged at the upper end of the base, a distillation cylinder is fixedly arranged in the heat preservation shell, a condensation pipe is arranged at the upper end of the distillation cylinder, a wastewater inlet pipe is arranged at one side of the heat preservation shell, the wastewater inlet pipe extends to the inside of the distillation cylinder, a vacuum pump is arranged at the other side of the heat preservation shell, and one end of the vacuum pump is hermetically connected with the other side of the distillation cylinder; further comprising: the water storage tank is arranged in the middle of the inner part of the base, a steam generator is arranged on one side of the water storage tank, and the steam generator is connected with the water storage tank through a pipeline; the heating pipe is arranged outside the distillation barrel, and heat transfer oil is filled between the heat preservation shell and the distillation barrel; the heat preservation pipe, it sets up the inboard at the heating pipe for heat preservation to the heat transfer oil, solved decompression dehydration drying device because of the relatively poor higher problem of heat loss that leads to of heat preservation effect.
Description
Technical Field
The utility model relates to a decompression dehydration drying device technical field specifically is a heat preservation device for decompression dehydration drying.
Background
The acidic wastewater is wastewater with the pH value less than 6 and mainly comes from wastewater discharged by enterprises of metallurgy, metal processing, electroplating and the like; the alkaline wastewater has a pH value of more than 9 and mainly comes from industries such as oil refining, petrochemical industry, chemical fiber and the like. The acid-base wastewater enters the water body to destroy the natural neutralization effect, so that the pH value of the water body is changed, the normal growth of aquatic organisms is influenced, the self-purification function of the water body is reduced, a decompression dehydration drying device can be used in the process of treating the acid-base wastewater, the boiling point of the acid-base industrial wastewater to be treated is reduced by a decompression heating mode, the water is evaporated, and the wastewater is conveniently subjected to vacuum low-temperature evaporation crystallization treatment.
For example, chinese granted patent publication No. CN211999299U, "a waste acid recovery system", includes an ultrafiltration product water tank, a reduced-pressure dehydration drying device, a first condensing device, a hydrochloric acid collecting device, a second condensing device, and a water collecting device, wherein an inlet of the ultrafiltration product water tank is connected to a ceramic ultrafiltration membrane tank, and an outlet thereof is connected to the reduced-pressure dehydration drying device through a pump; an outlet of the reduced-pressure dehydration drying device is connected with a first condensing device, and the first condensing device is connected with a hydrochloric acid collecting device; and the other outlet of the decompression dehydration drying device is connected with a second condensing device, and the second condensing device is connected with a water collecting device. The repeated recycling of the waste acid is realized, the volatilization temperature of the waste acid is reduced by utilizing the decompression dehydration drying device, and the boiling point of water is reduced.
Although the vacuum low-temperature evaporation crystallization treatment of the wastewater can be realized in the prior art, the self heat preservation effect is poor, so the heat loss in the process of carrying out vacuum low-temperature evaporation on the wastewater is improved, the existing requirement is not met, and the heat preservation device for decompression dehydration drying is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a decompression dehydration is heat preservation device for drying to the decompression dehydration drying device who provides in solving above-mentioned background art leads to the higher problem of heat loss because of the heat preservation effect is relatively poor.
In order to achieve the above object, the utility model provides a following technical scheme: a heat preservation device for decompression, dehydration and drying comprises a base, wherein a heat preservation shell is installed at the upper end of the base, a distillation cylinder is fixedly arranged inside the heat preservation shell, a condensation pipe is arranged at the upper end of the distillation cylinder and extends to the outside of the heat preservation shell, a wastewater inlet pipe is arranged on one side of the heat preservation shell and extends to the inside of the distillation cylinder, a vacuum pump is installed on the other side of the heat preservation shell, and one end of the vacuum pump is hermetically connected with the other side of the distillation cylinder; further comprising:
the water storage tank is arranged in the middle of the inner part of the base, a steam generator is arranged on one side of the water storage tank, and the steam generator is connected with the water storage tank through a pipeline;
the heating pipe is arranged outside the distillation cylinder, and heat transfer oil is filled between the heat-insulating shell and the distillation cylinder;
and the heat preservation pipe is arranged on the inner side of the heating pipe and is used for preserving heat of the heat transfer oil.
Preferably, the steam outlet of the steam generator is connected with one end of the heating pipe in a sealing manner, and the other end of the heating pipe is connected with the water storage tank.
Preferably, one side of the upper end of the water storage tank is provided with a first circulating pump, one end of the first circulating pump is connected with one end of the heat preservation pipe, and the other end of the heat preservation pipe is connected with the water storage tank.
Preferably, one side of condenser pipe is provided with the heat recovery pipe, the opposite side of condenser pipe is provided with the coolant liquid circulating pipe, and heat recovery pipe and coolant liquid circulating pipe all twine and laminate in the outer wall of condenser pipe, the second circulating pump is installed to the opposite side of storage water tank upper end, the one end of second circulating pump is connected with the heat recovery pipe, and the other end of heat recovery pipe is connected with the storage water tank.
Preferably, the heat-insulating shell is of a composite structure and comprises a ceramic inner container, centrifugal glass wool, polyurethane foam and a metal plate from inside to outside.
Preferably, temperature sensors are arranged in the inner walls of the heat preservation shell and the water storage tank.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses utilize the heat transfer between high temperature steam and the heat transfer oil to realize the heating to the distillation column, industrial waste water enters the pipe through waste water and gets into behind the distillation column, the inside air of distillation column is taken out to the accessible vacuum pump, make its inside pressure that keeps setting for, the inside water of storage water tank enters into through the pipeline simultaneously and carries out the electrical heating to steam generator, thereby produce a large amount of high temperature steam, steam removes through the heating pipe, under the heat exchange with the heat transfer oil, form inside thermal quick improvement, and then carry the heat to the distillation column through the heat transfer oil, form the heating to inside waste water, high temperature steam is behind the heat exchange, partly can the condensation, get into to the storage water tank from the other end, realize retrieving, along with the increase of time, form the heating to the inside water of storage water tank gradually, can rapid evaporation after getting into steam generator, the energy consumption has been practiced thrift.
2. The utility model discloses a be provided with the heat recovery pipe in one side of condenser pipe, industrial waste water produces steam because of the high temperature heating, get into the outside of condenser pipe heat recovery pipe winding at the condenser pipe through the pipeline, and take place the laminating with the condenser pipe, through opening first circulating pump, carry the inside water of storage water tank to the heat recovery pipe, utilize the heat of steam in the heat exchange absorption condenser pipe, heat the circulating water, can alleviate the burden of opposite side coolant liquid circulating pipe, the inside of lagging casing and storage water tank all is equipped with temperature sensor, the inside water of storage water tank reaches the stop cycle behind the settlement temperature, steam generator closes this moment, open the second circulating pump, carry the inside hot water of storage water tank to the insulating tube and circulate, realize the heat preservation of heat transfer oil, utilize heat recovery to realize the heat preservation to the hot oil, make it continuously heat the distillation barrel, further practiced thrift the energy consumption.
3. The utility model discloses adopt composite construction with lagging casing, constitute by metal sheet, polyurethane foam, centrifugal glass cotton and ceramic inner bag, have good thermal-insulated effect, wholly adopt seal structure moreover, carry out passive heating through the heating pipe, along with the further improvement of thermal insulation performance to can effectively avoid the heat rapid consumption of heat transfer oil.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the distillation column, the heating pipe and the thermal insulation pipe of the present invention;
fig. 3 is a partially enlarged view of the area a in fig. 1 according to the present invention;
fig. 4 is the schematic diagram of the internal structure of the heat preservation shell of the present invention.
In the figure: 1. a base; 2. a heat-insulating shell; 3. a distillation column; 4. a wastewater inlet pipe; 5. a steam generator; 6. a water storage tank; 7. a condenser tube; 8. heating a tube; 9. a heat preservation pipe; 10. a cooling liquid circulation pipe; 11. a temperature sensor; 12. a vacuum pump; 13. heat transfer oil; 15. a first circulation pump; 16. a second circulation pump; 17. a heat recovery pipe; 18. a metal plate; 19. a polyurethane foam; 20. centrifuging the glass wool; 21. a ceramic liner.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, the present invention provides an embodiment: a heat preservation device for reduced pressure dehydration drying comprises a base 1, wherein a heat preservation shell 2 is installed at the upper end of the base 1, a distillation barrel 3 is fixedly arranged inside the heat preservation shell 2, a condensation pipe 7 is arranged at the upper end of the distillation barrel 3, the condensation pipe 7 extends to the outside of the heat preservation shell 2, a wastewater inlet pipe 4 is arranged on one side of the heat preservation shell 2, the wastewater inlet pipe 4 extends to the inside of the distillation barrel 3, a vacuum pump 12 is installed on the other side of the heat preservation shell 2, and one end of the vacuum pump 12 is hermetically connected with the other side of the distillation barrel 3; further comprising:
the water storage tank 6 is arranged in the middle of the inside of the base 1, a steam generator 5 is installed on one side of the water storage tank 6, and the steam generator 5 is connected with the water storage tank 6 through a pipeline;
a heating pipe 8 which is arranged outside the distillation barrel 3, and heat transfer oil 13 is filled between the heat preservation shell 2 and the distillation barrel 3;
and the heat preservation pipe 9 is arranged on the inner side of the heating pipe 8 and is used for preserving heat of the heat transfer oil 13.
Referring to fig. 1, a steam outlet of the steam generator 5 is hermetically connected with one end of the heating pipe 8, and the other end of the heating pipe 8 is connected with the water storage tank 6, so that water inside the water storage tank 6 is gradually heated as time increases, and the water can be quickly evaporated after entering the steam generator 5, thereby saving energy consumption.
Referring to fig. 1, a first circulating pump 15 is installed on one side of the upper end of the water storage tank 6, one end of the first circulating pump 15 is connected with one end of the heat preservation pipe 9, the other end of the heat preservation pipe 9 is connected with the water storage tank 6, heat of heat transfer oil 13 is preserved by heat recovery, the heat transfer oil is enabled to continuously heat the distillation barrel 3, and energy consumption is further saved.
Referring to fig. 1 and 3, a heat recovery pipe 17 is disposed on one side of the condensation pipe 7, a cooling liquid circulation pipe 10 is disposed on the other side of the condensation pipe 7, the heat recovery pipe 17 and the cooling liquid circulation pipe 10 are wound around and attached to the outer wall of the condensation pipe 7, a second circulation pump 16 is mounted on the other side of the upper end of the water storage tank 6, one end of the second circulation pump 16 is connected to the heat recovery pipe 17, and the other end of the heat recovery pipe 17 is connected to the water storage tank 6, so that heat of steam in the condensation pipe 7 is absorbed by heat exchange to heat the circulating water, and the burden of the cooling liquid circulation pipe 10 on the other side can be reduced.
Referring to fig. 4, the thermal insulation casing 2 is a composite structure, and includes a ceramic inner container 21, centrifugal glass wool 20, polyurethane foam 19 and a metal plate 18 from inside to outside, and has a good thermal insulation effect, and the whole body adopts a sealing structure, and is passively heated by a heating pipe 8, so as to further improve the thermal insulation performance, and thus, the heat of the heat transfer oil 13 can be effectively prevented from being rapidly consumed.
Referring to fig. 1, temperature sensors 11 are installed in the inner walls of the thermal insulation casing 2 and the water storage tank 6, and the temperature sensors 11 detect the internal temperature, so as to control the time period of the water storage tank 6 participating in thermal insulation.
The working principle is as follows: when the device is used, after industrial wastewater enters the distillation barrel 3 through the wastewater inlet pipe 4, air inside the distillation barrel 3 can be pumped out through the vacuum pump 12, the pressure inside the distillation barrel 3 is kept at a set pressure, meanwhile, water inside the water storage tank 6 enters the steam generator 5 through a pipeline to be electrically heated, a large amount of high-temperature steam is generated, the steam moves through the heating pipe 8, under the heat exchange with the heat transfer oil 13, the internal heat is rapidly increased, the heat is further conveyed to the distillation barrel 3 through the heat transfer oil 13, the internal wastewater is heated, a part of the high-temperature steam can be condensed after the heat exchange, the high-temperature steam enters the water storage tank 6 from the other end to be recycled, the industrial wastewater generates steam due to the high-temperature heating, the steam enters the condensation pipe 7 through a pipeline, the water inside the water storage tank 6 is conveyed to the heat recovery pipe 17 by opening the first circulating pump 15, the heat inside the water storage tank 6 is heated by utilizing the heat exchange, the circulating water in the condensation pipe 7 is heated, the water storage tank 6 reaches a set temperature, the circulation is stopped, at the moment, the steam generator 5 is closed, the second circulating pump 16 is opened, hot water is conveyed to the heat insulation pipe 9 to be circulated, and the heat transfer oil 13 is kept warm.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The heat preservation device for decompression, dehydration and drying comprises a base (1), wherein a heat preservation shell (2) is installed at the upper end of the base (1), a distillation barrel (3) is fixedly arranged inside the heat preservation shell (2), a condensation pipe (7) is arranged at the upper end of the distillation barrel (3), the condensation pipe (7) extends to the outside of the heat preservation shell (2), a wastewater inlet pipe (4) is arranged on one side of the heat preservation shell (2), the wastewater inlet pipe (4) extends to the inside of the distillation barrel (3), a vacuum pump (12) is installed on the other side of the heat preservation shell (2), and one end of the vacuum pump (12) is hermetically connected with the other side of the distillation barrel (3);
the method is characterized in that: further comprising:
the water storage tank (6) is arranged in the middle of the inside of the base (1), a steam generator (5) is installed on one side of the water storage tank (6), and the steam generator (5) is connected with the water storage tank (6) through a pipeline;
a heating pipe (8) which is arranged outside the distillation cylinder (3), and heat transfer oil (13) is filled between the heat-insulating shell (2) and the distillation cylinder (3);
and the heat preservation pipe (9) is arranged on the inner side of the heating pipe (8) and is used for preserving heat of the heat transfer oil (13).
2. The heat-insulating device for reduced-pressure dehydration drying according to claim 1, characterized in that: the steam outlet of the steam generator (5) is connected with one end of the heating pipe (8) in a sealing way, and the other end of the heating pipe (8) is connected with the water storage tank (6).
3. The heat-insulating device for reduced-pressure dehydration drying according to claim 1, characterized in that: first circulating pump (15) are installed to one side of storage water tank (6) upper end, and the one end of first circulating pump (15) is connected with the one end of insulating tube (9), the other end of insulating tube (9) is connected with storage water tank (6).
4. The heat-insulating device for reduced-pressure dehydration drying according to claim 1, characterized in that: one side of condenser pipe (7) is provided with heat recovery pipe (17), the opposite side of condenser pipe (7) is provided with coolant liquid circulating pipe (10), and heat recovery pipe (17) and coolant liquid circulating pipe (10) all twine and laminate in the outer wall of condenser pipe (7), second circulating pump (16) are installed to the opposite side of storage water tank (6) upper end, the one end of second circulating pump (16) is connected with heat recovery pipe (17), and the other end of heat recovery pipe (17) is connected with storage water tank (6).
5. The heat-insulating device for reduced-pressure dehydration drying according to claim 1, characterized in that: the heat-insulating shell (2) is of a composite structure and comprises a ceramic inner container (21), centrifugal glass wool (20), polyurethane foam (19) and a metal plate (18) from inside to outside.
6. The heat-insulating device for reduced-pressure dehydration drying according to claim 1, characterized in that: and temperature sensors (11) are arranged on the inner walls of the heat preservation shell (2) and the water storage tank (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222721507.9U CN218371819U (en) | 2022-10-17 | 2022-10-17 | Heat preservation device for decompression dehydration drying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222721507.9U CN218371819U (en) | 2022-10-17 | 2022-10-17 | Heat preservation device for decompression dehydration drying |
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| Publication Number | Publication Date |
|---|---|
| CN218371819U true CN218371819U (en) | 2023-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222721507.9U Active CN218371819U (en) | 2022-10-17 | 2022-10-17 | Heat preservation device for decompression dehydration drying |
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| Country | Link |
|---|---|
| CN (1) | CN218371819U (en) |
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2022
- 2022-10-17 CN CN202222721507.9U patent/CN218371819U/en active Active
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