CN220003001U - Device for recycling dimethyl sulfoxide from energy-containing waste liquid in special chemical industry - Google Patents
Device for recycling dimethyl sulfoxide from energy-containing waste liquid in special chemical industry Download PDFInfo
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- CN220003001U CN220003001U CN202321441311.2U CN202321441311U CN220003001U CN 220003001 U CN220003001 U CN 220003001U CN 202321441311 U CN202321441311 U CN 202321441311U CN 220003001 U CN220003001 U CN 220003001U
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- 239000007788 liquid Substances 0.000 title claims abstract description 62
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 239000000126 substance Substances 0.000 title claims abstract description 16
- 239000002699 waste material Substances 0.000 title claims abstract description 15
- 238000004064 recycling Methods 0.000 title claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 238000010992 reflux Methods 0.000 claims abstract description 26
- 239000002994 raw material Substances 0.000 claims abstract description 18
- 239000012716 precipitator Substances 0.000 claims abstract description 10
- 239000000498 cooling water Substances 0.000 claims description 34
- 239000012071 phase Substances 0.000 claims description 21
- 239000007791 liquid phase Substances 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 230000007246 mechanism Effects 0.000 abstract description 3
- 239000002904 solvent Substances 0.000 abstract description 2
- 239000002351 wastewater Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000003809 water extraction Methods 0.000 description 1
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model provides a device for recycling dimethyl sulfoxide from energy-containing waste liquid in special chemical industry. The device is characterized in that a raw material tank, a precipitator, a filter, a clear liquid storage tank, a first vacuum pump, a clear liquid delivery pump and a feeding overhead tank are communicated through pipelines, the feeding overhead tank is communicated with a preheater and a rectifying tower through pipelines, the rectifying tower is communicated with a condenser, a cooler, a second vacuum pump, a solvent tank, an overhead water tank and a reflux pump through pipelines, and the bottom of the rectifying tower is respectively communicated with a reboiler, a product cooler and a product delivery pump through pipelines. The device replaces the internal circulation device of the tower by adopting the external circulation device of the tower, simplifies the mechanism in the tower, reduces the high-pressure circulating water system in the tower, has high operational elasticity, stabilizes the tower pressure in the rectifying tower, can control the pressure in the tower at the same time, and has the advantages of low investment cost, simple process route, high automation degree, stable and controllable production operation, reduced production cost and high working efficiency.
Description
Technical Field
The utility model relates to the technical field of chemical equipment and wastewater treatment, in particular to a device for recycling dimethyl sulfoxide from energy-containing waste liquid in special chemical industry.
Background
The variety of discharged waste liquid is more when the energy-containing material is produced in special chemical industry, wherein the discharged waste liquid contains dimethyl sulfoxide, and if the waste liquid is directly discharged, the environment can be greatly polluted, and meanwhile, the raw materials can be greatly wasted, so that chemical enterprises can recover the dimethyl sulfoxide in the waste water. In the prior art, an operation mode of internal circulation of a rectifying tower is generally adopted, namely, a condenser is arranged at the top of the rectifying tower, then a high-lift water pump is used for pumping cooling water into the condenser, the lift of the water pump is about 56.5 meters high, and gas phase in the rectifying tower is cooled and cooled through the condenser, so that the gas phase is changed into a liquid phase again and falls back to the bottom of the rectifying tower. The internal circulation of the tower has the following defects: 1. the condensed water in the condenser at the top of the tower is conveyed by a high-lift cooling water pump, so that the energy consumption is relatively high; 2. when the internal circulation of the tower is adopted, the reflux ratio in the tower is unstable, so that the tower pressure is unstable, and when the pressure in the tower is lower than a process set value, no output is produced in the tower; 3. when the internal circulation of the tower is adopted, the operation range is small, and the recovery of the reclaimed materials in the waste liquid is incomplete; 4. the inspection operation and equipment maintenance are inconvenient, and the inspection and maintenance are required at high altitude. Because of the special production process of the special chemical energetic material and the limitation of the used equipment, the use of the internal circulation of the tower in the special chemical field is greatly limited.
Disclosure of Invention
The utility model aims to provide a device for recycling dimethyl sulfoxide from energy-containing waste liquid in special chemical industry. The technical problems to be solved by the utility model are as follows: the reasonable design of the external circulation device of the tower is adopted to replace the internal circulation device of the tower in the prior art, so that the mechanism in the tower is simplified, the tower pressure is stabilized, the technical effects of recycling the dimethyl sulfoxide raw material and enabling the discharged wastewater to reach the national discharge standard are achieved.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a device for recycling dimethyl sulfoxide from energy-containing waste liquid in special chemical industry comprises: the device is provided with a raw material inlet pipe on the raw material tank, the raw material tank is communicated with the precipitator through a pipeline, the precipitator is communicated with the filter through a pipeline, the filter is communicated with the clear liquid storage tank through a conveying pipe, an exhaust pipe is arranged on the first vacuum pump and is communicated with the clear liquid storage tank through a vacuum pipe, the bottom of the clear liquid storage tank is communicated with the input end of the clear liquid conveying pump through a pipeline, the output end of the clear liquid conveying pump is communicated with the feeding high-level tank through a clear liquid pipe, the bottom of the feeding high-level tank is communicated with the preheater through a pipeline, the preheater is respectively provided with a steam inlet pipe and a condensed water outlet pipe, the preheater is communicated with the rectifying tower through pipelines, a rectifying tower gas phase pipe at the top of the rectifying tower is communicated with a condenser, the condenser is respectively provided with a cooling water outlet pipe and a cooling water inlet pipe, the condenser is communicated with a cooler through the condenser gas phase pipe, the cooler is respectively provided with the cooling water outlet pipe and the cooling water inlet pipe, the cooler is respectively communicated with a No. two vacuum pump and a product tank through a vacuum pipe, the No. two vacuum pump is provided with an exhaust pipe, condensed water in the condenser and the cooler is communicated with a high-position water tank through the condensed water pipe, the high-position water tank is communicated with an inlet of a reflux pump through pipelines, an outlet of the reflux pump is respectively communicated with a feed-back pipe and a waste water outlet pipe through pipelines, a rectifying tower liquid phase pipe at the bottom of the rectifying tower is respectively communicated with the product inlet pipe and the liquid phase inlet pipe, the product inlet pipe is provided with a No. three electromagnetic valve, the liquid phase inlet pipe is communicated with the reboiler, the reboiler is communicated with the rectifying tower through a gas phase pipe of the reboiler, the product inlet pipe is communicated with a product cooler, a cooling water outlet pipe and a cooling water inlet pipe are respectively arranged on the product cooler, the product cooler is communicated with a product tank through a pipeline, the bottom of the product tank is communicated with an inlet of a product conveying pump through a pipeline, and an outlet of the product conveying pump is communicated with the product outlet pipe.
The outlet of the reflux pump in the device is divided into two paths of output, one path of output is communicated with a waste water outlet pipe, a first electromagnetic valve is arranged on the waste water outlet pipe, the other path of output is communicated with a return pipe, a second electromagnetic valve is arranged on the return pipe, and the end part of the return pipe is communicated with the upper part of the rectifying tower.
A first vacuum pump, a second vacuum pump, a reflux pump, a product conveying pump, a first electromagnetic valve, a second electromagnetic valve and a third electromagnetic valve in the device are respectively connected with an electric control unit in a control room by wires.
The rectifying tower, the preheater, the condenser, the reboiler, the cooler, the precipitator, the delivery pump, the vacuum pump, the reflux pump, the product delivery pump, the raw material storage tank, the clear liquid storage tank, the solvent tank and the electromagnetic valve in the device are all common chemical unit equipment in the prior art.
Compared with the prior art, the utility model has the following positive effects:
1. the device adopts a reasonably designed outer circulation device to replace an inner circulation device of the tower in the prior art, so that the mechanism in the tower is simplified, a high-pressure circulating water system in the tower is eliminated, and the operation elasticity is high;
2. the device adopts a tower outer pipeline to connect chemical unit equipment such as a preheater, a condenser, a reboiler, a cooler and the like to form tower outer circulation, stabilizes the tower pressure in the rectifying tower, and can control the pressure in the tower at the same time;
3. the device adopts an external circulation reflux control technology, solves the problem of unstable production operation, and ensures that the production operation of the device is stable, visual and controllable;
4. the device enables the dimethyl sulfoxide in the energy-containing waste liquid to be completely recovered through the circulation outside the tower, and simultaneously avoids a large amount of waste water generated in the tower;
5. the device can be matched with the existing equipment of an enterprise, so that the original system equipment of the enterprise runs continuously and normally, and simultaneously, the three wastes generated in the production can be effectively treated, and the device meets the environmental emission standard issued by the nation;
6. the device installs the equipment in the tower outside the tower, so that the installation and the maintenance are more convenient, and the common industrial water is directly used for circulating cooling, so that the investment cost and the operation cost are greatly reduced;
7. the device has the advantages of low investment cost, simple process route, high automation degree, stable and controllable production operation, reduced production cost, high working efficiency, reduced labor intensity of workers and great market competitiveness.
Drawings
The drawings that are required to be used in the embodiments for more clearly explaining the technology of the present utility model are briefly described. The drawings in the following description are merely exemplary and other implementations drawings may be derived from the drawings provided without inventive effort for a person of ordinary skill in the art.
The drawings described in the present specification are only for the purpose of combining the disclosure of the present specification, and are not intended to limit the applicable limitations of the present utility model, but are intended to cover any modifications of the structure, the changes of the ratio, or the adjustment of the size of the present utility model, without affecting the efficacy and achievement of the present utility model.
FIG. 1 is a schematic diagram of a dimethyl sulfoxide recovery device;
FIG. 2 is a block diagram showing connection between a vacuum pump, a transfer pump, a solenoid valve and a control room in the device.
In the figure: 1. the filter, 2, the precipitator, 3, the raw material tank, 4, the raw material inlet pipe, 5, a first vacuum pump, 6, an exhaust pipe, 7, a vacuum pipe, 8, a feeding overhead tank, 9, a clear liquid pipe, 10, a steam inlet pipe, 11, a preheater, 12, a rectifying tower, 13, a feed back pipe, 14, a rectifying tower gas phase pipe, 15, a condenser, 16, a condenser gas phase pipe, 17, a cooler, 18, a cooling water outlet pipe, 19, a cooling water inlet pipe, 20, a second vacuum pump, 21, an outlet pipe, 22, a first electromagnetic valve, 23, a high-order water tank, 24, a condensate pipe, 25, a second electromagnetic valve, 26, a reflux pump, 27, a product outlet pipe, 28, a product delivery pump, 29, a product tank, 30, a product cooler, 31, a product inlet pipe, 32, a third electromagnetic valve, 33, a rectifying tower liquid phase pipe, 34, a liquid phase inlet pipe, 35, 36, a gas phase pipe, 37, a reboiler outlet pipe, 38, a clear liquid delivery pump, 39, a clear liquid storage tank, 40, a delivery pipe, 41, a control room reboiler.
The direction indicated by the arrow in fig. 1 is the flow direction of the gas phase and the liquid phase in the pipeline.
Description of the embodiments
The technical scheme of the utility model is further clearly and completely described below with reference to the accompanying drawings.
Referring to fig. 1-2, the equipment and pipeline connection and the process parameter input in the device are that the process parameters set by the first vacuum pump 5, the second vacuum pump 20, the reflux pump 26, the product delivery pump 28, the clear liquid delivery pump 38, the first electromagnetic valve 22, the second electromagnetic valve 25 and the third electromagnetic valve 32 are respectively input into an electric control unit of a control room 41, a raw material inlet pipe 4 is arranged on a raw material tank 3, the raw material tank 3, a precipitator 2 and a filter 1 are respectively connected by pipelines, and the filter 1 is connected with a clear liquid storage tank 39 by a delivery pipe 40. The exhaust pipe 6 is arranged on the first vacuum pump 5 and communicated with the clear liquid storage tank 39 through the vacuum pipe 7, a pipeline is arranged at the bottom of the clear liquid storage tank 39 and communicated with the inlet of the clear liquid conveying pump 38, a clear liquid pipe 9 is arranged at the outlet of the clear liquid conveying pump 38 and communicated with the feeding overhead tank 8, a pipeline is arranged at the bottom of the feeding overhead tank 8 and communicated with the preheater 11, a steam inlet pipe 10 and a condensate water outlet pipe 37 are respectively arranged on the preheater 11, and the installation pipeline of the preheater 11 is communicated with the rectifying tower 12. The rectifying tower gas phase pipe 14 is arranged at the top of the rectifying tower 12 and is communicated with the condenser 15, the cooling water outlet pipe 18 and the cooling water inlet pipe 19 are respectively arranged on the condenser 15, the condenser 15 is communicated with the cooler 17 through the arranged condenser gas phase pipe 16, the cooling water outlet pipe 18 and the cooling water inlet pipe 19 are respectively arranged on the cooler 17, the vacuum pipe 7 is arranged on the cooler 17 and is respectively communicated with the No. two vacuum pump 20 and the product tank 29, the exhaust pipe 6 is arranged on the No. two vacuum pump 20, the condensate pipe 24 is respectively arranged at the bottoms of the condenser 15 and the cooler 17 and is communicated with the high-level water tank 23, the high-level water tank 23 is communicated with the inlet of the reflux pump 26, and the outlet mounting pipe of the reflux pump 26 is respectively communicated with the reflux pipe 13 and the water outlet pipe 21. The rectifying tower liquid phase pipe 33 is arranged at the bottom of the rectifying tower 12 and is respectively communicated with the product inlet pipe 31 and the liquid phase inlet pipe 34, the third electromagnetic valve 32 is arranged on the product inlet pipe 31, the liquid phase inlet pipe 34 is communicated with the reboiler 35, the steam inlet pipe 10, the condensed water outlet pipe 37 and the reboiler gas phase pipe 36 are respectively arranged on the reboiler 35, and the reboiler gas phase pipe 36 is communicated with the rectifying tower 12. The cooling water outlet pipe 18 and the cooling water inlet pipe 19 are respectively arranged on the product cooler 30, the product inlet pipe 31 is communicated with the product cooler 30, a mounting pipeline of the product cooler 30 is communicated with the product tank 29, a mounting pipeline at the bottom of the product tank 29 is communicated with the inlet of the product delivery pump 28, and the outlet of the product delivery pump 28 is communicated with the product outlet pipe 27.
The outlet of the reflux pump 26 in the device is divided into two paths of output, one path of output is communicated with the water outlet pipe 21, the first electromagnetic valve 22 is arranged on the water outlet pipe 21, the second path of output is communicated with the reflux pipe 13, the second electromagnetic valve 25 is arranged on the reflux pipe 13, and the end part of the reflux pipe 13 is communicated with the upper part of the rectifying tower 12.
When in use, raw materials are conveyed into the raw material storage tank 3 through the raw material inlet pipe 4, enter the precipitator 2 through the connecting pipeline for precipitation, and enter the filter 1 through the connecting pipeline for filtration. An operator starts the first vacuum pump 5 and the second vacuum pump 20 in the control room 41 through the electric control unit, and performs vacuumizing operation on the clear liquid storage tank 39 and the rectification system through the vacuum tube 7 respectively, so that negative pressure is formed in the clear liquid storage tank 39 and the rectification system. Under the action of negative pressure, the clear liquid in the filter 1 enters the clear liquid storage tank 39 through the conveying pipe 40 for temporary storage, and when the clear liquid in the clear liquid storage tank 39 reaches a certain amount, an operator starts the clear liquid conveying pump 38 in the control room 41 through the electric control unit, and the clear liquid is conveyed to the feeding high-level tank 8 through the clear liquid pipe 9 for storage. Steam enters the preheater 11 and the reboiler 35 through the steam inlet pipe 10 respectively, clear liquid in the feeding high-level tank 8 enters the preheater 11 for preheating through a connecting pipeline under the action of gravity, and formed condensed water is discharged through the condensed water outlet pipe 37 and enters the condensed water recovery system. The preheated clear liquid enters the rectifying tower 12 for treatment through a connecting pipeline. The gas generated after treatment is conveyed into a condenser 15 through a rectifying tower gas phase pipe 14, cooling water enters the condenser 15 through a cooling water inlet pipe 19, the gas in the condenser 15 is subjected to condensation treatment, and the cooled cooling water is discharged through a cooling water outlet pipe 18 and enters a circulating cooling water system. The residual gas after condensation enters the cooler 17 through the condenser gas phase pipe 16, the cooling water enters the cooler 17 through the cooling water inlet pipe 19, the gas in the cooler 17 is further cooled, and the cooled cooling water is discharged through the cooling water outlet pipe 18 and enters the circulating cooling water system. The vacuum pump 20 discharges the gas phase in the product tank 29 and the non-condensable gas phase in the rectification system into the tail gas treatment system. The condensate condensed in the condenser 15 and the cooler 17 is delivered to the high-level water tank 23 through the condensate pipe 24. At this time, an operator opens the reflux pump 26, the first electromagnetic valve 22 and the second electromagnetic valve 25 in the control room 41 through the electric control unit, the liquid in the high-level water tank 23 is pumped into the water outlet pipe 21 and the material return pipe 13 through the connecting pipeline by the reflux pump 26, the tower top reflux quantity and the tower top water extraction quantity are controlled through the material return pipe 13 and the water outlet pipe 21 respectively by controlling the opening degree of the first electromagnetic valve 22 and the second electromagnetic valve 25, and the tower top water extracted from the tower top is conveyed to the wastewater treatment system or the circulating water system through the water outlet pipe 21.
The liquid generated in the rectifying tower 12 is conveyed into the product inlet pipe 31 and the liquid inlet pipe 34 through the rectifying tower liquid phase pipe 33 at the bottom, an operator opens the third electromagnetic valve 32 in the control room 41 through the electric control unit, most of the liquid in the rectifying tower liquid phase pipe 33 flows back into the reboiler 35 through the liquid phase inlet pipe 34 by controlling the opening degree of the third electromagnetic valve 32, the liquid is heated in the reboiler 35 through steam, and the formed gas phase enters the rectifying tower 12 through the reboiler gas phase pipe 36 for rectification. A small part of liquid in the liquid phase pipe 33 of the rectifying tower enters the product cooler 30 through the product inlet pipe 31 for cooling treatment, cooling water enters the product cooler 30 through the cooling water inlet pipe 19, and is discharged into a circulating cooling water system through the cooling water outlet pipe 18 after cooling. The liquid treated by the product cooler 30 is fed into the product tank 29 via a connecting line.
When the whole rectification system runs stably and the concentration of dimethyl sulfoxide in the circulating liquid reaches more than 90%, an operator opens a third electromagnetic valve 32 in a control room 41 through an electronic control unit, and the circulating liquid is pumped into a product outlet pipe 27 through a product cooler 30 and a product tank 29 by a product conveying pump 28 and is conveyed to a product storage tank or used in the next process.
The above description is only a non-limiting embodiment of the utility model, but numerous examples can be derived, which can be made by a person skilled in the art without departing from the inventive concept and without inventive effort, and which fall within the scope of protection of the utility model.
Claims (3)
1. A device for recycling dimethyl sulfoxide from energy-containing waste liquid in special chemical industry comprises: filter (1), precipitator (2), head tank (3), vacuum pump (5), feeding overhead tank (8), pre-heater (11), rectifying column (12), condenser (15), cooler (17), no. two vacuum pump (20), overhead water tank (23), backwash pump (26), product delivery pump (28), product tank (29), product cooler (30), reboiler (35), clear liquid delivery pump (38), clear liquid storage tank (39), control room (41), solenoid valve (22) to No. three solenoid valve (32) and each connecting line, its characterized in that: the device is characterized in that a raw material inlet pipe (4) is arranged on a raw material tank (3), the raw material tank (3) is communicated with a precipitator (2) through a pipeline, the precipitator (2) is communicated with a filter (1) through a pipeline, the filter (1) is communicated with a clear liquid storage tank (39) through a conveying pipe (40), an exhaust pipe (6) is arranged on a first vacuum pump (5) and is communicated with the clear liquid storage tank (39) through a vacuum pipe (7), the bottom of the clear liquid storage tank (39) is communicated with an inlet of a clear liquid conveying pump (38) through a pipeline, an outlet of the clear liquid conveying pump (38) is communicated with a feed high-level tank (8) through a clear liquid pipe (9), the bottom of the feed high-level tank (8) is communicated with a preheater (11) through a pipeline, a steam inlet pipe (10) and a condensate outlet pipe (37) are respectively arranged on the preheater (11), the preheater (11) is communicated with a rectifying tower (12) through a pipeline, a rectifying tower gas phase pipe (14) at the top of the rectifying tower (12) is communicated with a condenser (15), a condenser (15) is respectively provided with a cooling water inlet pipe (18) and a cooling water inlet pipe (17) are respectively arranged on the condenser (15), the cooler (17) is respectively communicated with a second vacuum pump (20) and a product tank (29) through a vacuum tube (7), an exhaust pipe (6) is arranged on the second vacuum pump (20), condensed water in the condenser (15) and the cooler (17) is communicated with a high-level water tank (23) through a condensed water pipe (24), the high-level water tank (23) is communicated with an inlet of a reflux pump (26) through a pipeline, an outlet of the reflux pump (26) is respectively communicated with the reflux pipe (13) and the water outlet pipe (21) through pipelines, a rectifying tower liquid phase pipe (33) at the bottom of the rectifying tower (12) is respectively communicated with a product inlet pipe (31) and a liquid phase inlet pipe (34), a third electromagnetic valve (32) is arranged on the product inlet pipe (31), the liquid phase inlet pipe (34) is communicated with a reboiler (35), the reboiler (35) is communicated with the rectifying tower (12) through a gas phase pipe (36), the product inlet pipe (31) is communicated with a product cooler (30), cooling water (18) and a cooling water pipe (19) are respectively arranged on the outlet of the reflux pump (30) and are respectively communicated with the product inlet (29) through the pipelines, the outlet of the product delivery pump (28) is communicated with the product outlet pipe (27).
2. The device for recycling dimethyl sulfoxide from the energy-containing waste liquid in the special chemical industry as claimed in claim 1, wherein the device is characterized in that: the outlet of a reflux pump (26) in the device is divided into two paths of output, one path of output is communicated with a water outlet pipe (21), a first electromagnetic valve (22) is arranged on the water outlet pipe (21), the other path of output is communicated with a feed back pipe (13), a second electromagnetic valve (25) is arranged on the feed back pipe (13), and the end part of the feed back pipe (13) is communicated with the upper part of a rectifying tower (12).
3. The device for recycling dimethyl sulfoxide from the energy-containing waste liquid in the special chemical industry as claimed in claim 1, wherein the device is characterized in that: a first vacuum pump (5), a second vacuum pump (20), a reflux pump (26), a product conveying pump (28), a clear liquid conveying pump (38), a first electromagnetic valve (22), a second electromagnetic valve (25) and a third electromagnetic valve (32) in the device are respectively connected with an electric control unit in a control room (41) by leads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321441311.2U CN220003001U (en) | 2023-06-07 | 2023-06-07 | Device for recycling dimethyl sulfoxide from energy-containing waste liquid in special chemical industry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321441311.2U CN220003001U (en) | 2023-06-07 | 2023-06-07 | Device for recycling dimethyl sulfoxide from energy-containing waste liquid in special chemical industry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220003001U true CN220003001U (en) | 2023-11-14 |
Family
ID=88686506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321441311.2U Active CN220003001U (en) | 2023-06-07 | 2023-06-07 | Device for recycling dimethyl sulfoxide from energy-containing waste liquid in special chemical industry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220003001U (en) |
-
2023
- 2023-06-07 CN CN202321441311.2U patent/CN220003001U/en active Active
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