CN211056753U - NMP and dichlorobenzene waste water economic benefits and social benefits energy-conserving rectifier unit - Google Patents
NMP and dichlorobenzene waste water economic benefits and social benefits energy-conserving rectifier unit Download PDFInfo
- Publication number
- CN211056753U CN211056753U CN201921798107.XU CN201921798107U CN211056753U CN 211056753 U CN211056753 U CN 211056753U CN 201921798107 U CN201921798107 U CN 201921798107U CN 211056753 U CN211056753 U CN 211056753U
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- Prior art keywords
- tank
- nmp
- rectification
- pipe
- dichlorobenzene
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 229940117389 dichlorobenzene Drugs 0.000 title claims abstract description 29
- 239000002351 wastewater Substances 0.000 title claims abstract description 20
- 230000008901 benefit Effects 0.000 title abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims description 31
- 238000003756 stirring Methods 0.000 claims description 13
- 238000009833 condensation Methods 0.000 claims description 11
- 230000005494 condensation Effects 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000000498 cooling water Substances 0.000 claims description 3
- 238000004821 distillation Methods 0.000 abstract description 3
- 239000002918 waste heat Substances 0.000 abstract description 3
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract 2
- 239000007788 liquid Substances 0.000 description 10
- 238000009835 boiling Methods 0.000 description 6
- 239000002994 raw material Substances 0.000 description 5
- 238000000926 separation method Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 2
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 150000001345 alkine derivatives Chemical class 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The utility model discloses a NMP and dichlorobenzene waste water economic benefits and social benefits energy-conserving rectifier unit, including rectifying tank and condensing box, rectifying tank one side is provided with the condensing box, and the rectifying tank opposite side is provided with the vacuum pump to the vacuum pump passes through breathing pipe and rectifying tank top through connection, the breathing pipe surface is provided with first ooff valve, the inside condenser pipe that is provided with of condensing box, and the condenser pipe passes through steam pipe and rectifying tank top through connection to the condenser pipe other end passes through third ooff valve and second workbin through connection, the steam pipe surface is provided with the second ooff valve. Has the advantages that: adopt this device can once only isolate NMP and dichlorobenzene completely, simple structure, convenient to use, simultaneously, the vacuum pump is taken out into 5KP with the rectifier tank is inside, utilizes the waste heat alright carry out the distillation operation, need not the individual heating, when the temperature drops to below 130 ℃, start once more the heating block heating can, reduced heating temperature to the power consumption has been reduced, use energy-concerving and environment-protective more.
Description
Technical Field
The utility model relates to a NMP retrieves technical field, particularly, relates to a NMP and dichlorobenzene waste water economic benefits and social benefits energy-conserving rectifier unit.
Background
NMP is widely used for refining high-grade lubricating oil, synthesizing polymers, insulating materials, pesticides, pigments, cleaning agents and the like, is used as an absorbent of acetylene and high-grade alkyne in the acetylene industry made of natural gas, is colorless and transparent liquid, has a boiling point of 203 ℃, a flash point of 95 ℃, can be mixed and dissolved with water, is dissolved in ether, acetone and various organic solvents, has a slight ammonia smell, has stable chemical properties, is not corrosive to carbon steel and aluminum, and has slight corrosivity to copper.
Can produce a lot of mixed product and waste water at the in-process of NMP production, contain NMP and dichlorobenzene in the waste water, traditional separation method is according to the boiling point difference of the two and rectifies, needs secondary conversion rectifying tank usually, heats at the repetition, and the mode of heating is mostly electric heating, high temperature heating and repeated heating, comparatively consume energy, and simultaneously, traditional rectifier unit structure is complicated, and the operation degree of difficulty is big.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
To the not enough of prior art, the utility model provides a NMP and dichlorobenzene waste water economic benefits and social benefits energy-conserving rectifier unit possesses convenient to use, energy-conserving advantage, and then solves the problem among the above-mentioned background art.
(II) technical scheme
For realizing the above advantages of convenient use and energy conservation, the utility model adopts the following concrete technical scheme:
a double-effect energy-saving rectification device for NMP and dichlorobenzene wastewater comprises a rectification tank and a condensing box, wherein the condensing box is arranged on one side of the rectification tank, a vacuum pump is arranged on the other side of the rectification tank, the vacuum pump is communicated with the top surface of the rectifying tank through an air suction pipe, the surface of the air suction pipe is provided with a first switch valve, a condensing pipe is arranged in the condensing box and is communicated with the top surface of the rectifying tank through a steam pipe, the other end of the condensation pipe is communicated with a second material box through a third switch valve, the surface of the steam pipe is provided with a second switch valve, the other end of the condensation pipe is communicated with a shunt pipe, the shunt pipe is communicated with the first material tank through a third switch valve, the outer surface of the rectifying tank is fixedly connected with a heating block, and a temperature controller is arranged in the rectifying tank, and an air pressure gauge is connected to the top surface of the rectifying tank in a through manner.
Furthermore, the outer surface of the rectifying tank is wrapped with a heat insulation pad which is of a light-tight structure.
Furthermore, a discharge hole is connected to the bottom surface of the rectifying tank in a through manner.
Furthermore, the central position of the top surface of the rectifying tank is provided with a stirring motor, a stirring paddle is arranged inside the rectifying tank, and the top surface of the stirring paddle penetrates through the rectifying tank and is connected with the output end of the stirring motor.
Furthermore, the condensation tank, the first material tank and the second material tank are of opaque structures.
Furthermore, a condensed water outlet pipe is connected to the top surface of the condenser box in a penetrating manner, and a cooling water inlet pipe is connected to the bottom surface of the condenser box in a penetrating manner.
(III) advantageous effects
Compared with the prior art, the utility model provides a NMP and dichlorobenzene waste water economic benefits and social benefits energy-conserving rectifier unit possesses following beneficial effect:
(1) the utility model adopts the first material box and the second material box, when the waste water treatment is carried out, the mixed raw materials are put into the rectifying tank, firstly, under the normal pressure state, the heating is carried out to 180 ℃, dichlorobenzene volatilizes into steam, the steam is condensed into liquid through the condenser pipe, then, dichlorobenzene liquid flows into the second material box, after the heating is carried out to 180 ℃ without steam generation, the third switch valve and the second switch valve which are communicated with the second material box are closed, the vacuum pump is started to pump the interior of the rectifying tank into 5KP, because the temperature of the tank body reaches 180 ℃, the air pressure is low at the moment, the boiling point of NMP is greatly reduced, NMP can be boiled by utilizing the residual temperature to generate NMP steam, when the steam reaches a certain amount, the second switch valve and the third switch valve which is communicated with the first material box are opened, the NMP steam passes through the condenser pipe, is condensed into liquid state and flows into the interior of the first, and when the air pressure in the rectifying tank reaches normal air pressure, closing the third switch valve and the second switch valve which are communicated with the second material box, and repeating the operation until the NMP is completely evaporated.
(2) The utility model discloses a heat insulating mattress, when carrying out the NMP separation, heat insulating mattress keeps warm, keeps 180 degrees centigrade, simultaneously, the vacuum pump is with the inside 5KP of taking out of rectifying still, utilize the waste heat alright carry out the distillation operation, need not the individual heating, when the temperature drops to below 130 ℃, the heating of restart heating piece can, reduced heating temperature to the power consumption has been reduced, use energy-concerving and environment-protective more.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a double-effect energy-saving rectification device for wastewater of NMP and dichlorobenzene provided by the utility model;
FIG. 2 is a front view of the rectification tank of the present invention;
FIG. 3 is a front view of the double-effect energy-saving rectification device for NMP and dichlorobenzene wastewater.
In the figure:
1. a rectification tank; 2. a heat insulating pad; 3. a first on-off valve; 4. a temperature controller; 5. an air pressure gauge; 6. a stirring motor; 7. a steam pipe; 8. a second on-off valve; 9. a condenser tank; 10. a condenser tube; 11. a third on-off valve; 12. a shunt tube; 13. a first material tank; 14. a second material box; 15. a discharge port; 16. a heating block; 17. a vacuum pump; 18. and (4) sucking a pipe.
Detailed Description
For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.
According to the embodiment of the utility model, a NMP and dichlorobenzene waste water economic benefits and social benefits energy-conserving rectifier unit is provided.
Referring now to the drawings and the detailed description, as shown in fig. 1-3, a NMP and dichlorobenzene wastewater double-effect energy-saving rectifying device according to an embodiment of the invention comprises a rectifying tank 1 and a condensing tank 9, wherein one side of the rectifying tank 1 is provided with the condensing tank 9, the other side of the rectifying tank 1 is provided with a vacuum pump 17, the vacuum pump 17 is connected with the top surface of the rectifying tank 1 through an air suction pipe 18, the surface of the air suction pipe 18 is provided with a first switch valve 3, when dichlorobenzene is distilled, the first switch valve 3 is closed to prevent gas from leaking, the condensing tank 9 is internally provided with a condensing pipe 10, the condensing pipe 10 is connected with the top surface of the rectifying tank 1 through a steam pipe 7, the surface of the steam pipe 7 is provided with a second switch valve 8, the other end of the condensing pipe 10 is connected with a second material tank 14 through a third switch valve 11, the other end of the condensing pipe 10 is connected with a, the shunt tube 12 is communicated with the first material box 13 through the third switch valve 11, the outer surface of the rectifying tank 1 is fixedly connected with the heating block 16, the temperature controller 4 is arranged in the rectifying tank 1, the top surface of the rectifying tank 1 is communicated with the air pressure meter 5, the air pressure meter 5 detects the air pressure in the rectifying tank 1, the mixed raw materials are put into the rectifying tank 1, firstly, the mixed raw materials are heated to 180 ℃ under the normal pressure state, dichlorobenzene volatilizes into steam, the steam is condensed to liquid through the condensing tube 10, then, the dichlorobenzene liquid flows into the second material box 14, after the mixed raw materials are heated to be free of steam generation under the condition of 180 ℃, the third switch valve 11 and the second switch valve 8 which are communicated with the second material box 14 are closed, the vacuum pump 17 is started to pump the interior of the rectifying tank 1 into 5KP, because the temperature of the tank body reaches 180 ℃, the air pressure is low at this time, the boiling point of NMP is greatly reduced, and the NM, NMP steam is generated, when the steam reaches a certain amount, the second switch valve 8 and the third switch valve 11 communicated with the first material box 13 are opened, the NMP steam is condensed into liquid through the condensing pipe 10 and flows into the first material box 13, when the air pressure in the rectifying tank 1 reaches normal air pressure, the third switch valve 11 and the second switch valve 8 communicated with the second material box 14 are closed, the operation is repeated until the NMP is completely evaporated, the device can completely separate the NMP and dichlorobenzene at one time, and is simple in structure and convenient to use.
In one embodiment, the outer surface of the rectifying tank 1 is wrapped by the heat insulation pad 2, the heat insulation pad 2 is of a light-tight structure, when NMP separation is carried out, the heat insulation pad 2 keeps warm, 180 degrees centigrade is kept, meanwhile, the vacuum pump 17 pumps the interior of the rectifying tank 1 into 5KP, distillation operation can be carried out by utilizing waste heat, independent heating is not needed, when the temperature is reduced to below 130 degrees centigrade, the heating block 16 is started again for heating, the heating temperature is reduced, the energy consumption is reduced, and the energy-saving and environment-friendly rectifying tank is more energy-saving and environment-friendly to use.
In one embodiment, a discharge port 15 is connected to the bottom of the rectification tank 1, and the wastewater can be discharged through the discharge port 15.
In one embodiment, 1 top surface central point of rectifying tank puts and is provided with agitator motor 6, and 1 inside stirring rake that is provided with of rectifying tank to the stirring rake top surface runs through rectifying tank 1 and is connected with 6 output of agitator motor, and agitator motor 6 drives the stirring rake and rotates, stirs the material for the heating process.
In one embodiment, the condenser tank 9, the first material tank 13 and the second material tank 14 are opaque structures to avoid visible light from NMP and dichlorobenzene.
In one embodiment, the top surface of the condensation tank 9 is connected to a condensed water outlet pipe, and the bottom surface of the condensation tank 9 is connected to a cooling water inlet pipe.
The working principle is as follows:
putting the mixed raw materials into a rectifying tank 1, firstly heating to 180 ℃ under normal pressure, volatilizing dichlorobenzene into steam, condensing the steam into liquid through a condensing pipe 10, then flowing dichlorobenzene liquid into a second material box 14, heating to 180 ℃ until no steam is generated, closing a third switch valve 11 and a second switch valve 8 which are communicated with the second material box 14, starting a vacuum pump 17 to pump the interior of the rectifying tank 1 into 5KP, greatly reducing the boiling point of NMP due to low air pressure when the temperature of the tank body reaches 180 ℃, boiling the NMP by using the residual temperature to generate NMP steam, opening the second switch valve 8 and the third switch valve 11 which is communicated with a first material box 13 when the steam reaches a certain amount, condensing the NMP steam into liquid through the condensing pipe 10, flowing into the first material box 13, closing the third switch valve 11 and the second switch valve 8 which are communicated with the second material box 14 when the air pressure in the rectifying tank 1 reaches normal air pressure, the operation is repeated until NMP is completely evaporated, the NMP and dichlorobenzene can be completely separated out at one time by adopting the device, the structure is simple, and the use is convenient.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The double-effect energy-saving rectification device for the NMP and dichlorobenzene wastewater is characterized by comprising a rectification tank (1) and a condensation tank (9), wherein the condensation tank (9) is arranged on one side of the rectification tank (1), a vacuum pump (17) is arranged on the other side of the rectification tank (1), the vacuum pump (17) is in through connection with the top surface of the rectification tank (1) through an air suction pipe (18), a first switch valve (3) is arranged on the surface of the air suction pipe (18), a condensation pipe (10) is arranged inside the condensation tank (9), the condensation pipe (10) is in through connection with the top surface of the rectification tank (1) through a steam pipe (7), the other end of the condensation pipe (10) is in through connection with a second material box (14) through a third switch valve (11), a second switch valve (8) is arranged on the surface of the steam pipe (7), and a shunt pipe (12) is in through connection with the, and shunt tubes (12) are through connection with first material case (13) through third ooff valve (11), rectifying tank (1) surface fixed connection has heating block (16), and rectifying tank (1) inside is provided with temperature controller (4) to rectifying tank (1) top surface through connection has air gauge (5).
2. The double-effect energy-saving rectification device for the wastewater of NMP and dichlorobenzene according to claim 1, wherein the outer surface of the rectification tank (1) is wrapped by a heat insulation pad (2), and the heat insulation pad (2) is of a light-tight structure.
3. The double-effect energy-saving rectification device for the wastewater of NMP and dichlorobenzene according to claim 1, wherein a discharge hole (15) is connected to the bottom surface of the rectification tank (1) in a penetrating manner.
4. The double-effect energy-saving rectification device for the wastewater of NMP and dichlorobenzene according to claim 1, wherein a stirring motor (6) is arranged at the center of the top surface of the rectification tank (1), a stirring paddle is arranged inside the rectification tank (1), and the top surface of the stirring paddle penetrates through the rectification tank (1) and is connected with the output end of the stirring motor (6).
5. The double-effect energy-saving rectification device for the wastewater of NMP and dichlorobenzene according to claim 1, wherein the condenser tank (9), the first material tank (13) and the second material tank (14) are of opaque structures.
6. The double-effect energy-saving rectification device for the wastewater of NMP and dichlorobenzene according to claim 1, wherein a condensed water outlet pipe is connected with the top surface of the condensing tank (9) in a penetrating manner, and a cooling water inlet pipe is connected with the bottom surface of the condensing tank (9) in a penetrating manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921798107.XU CN211056753U (en) | 2019-10-24 | 2019-10-24 | NMP and dichlorobenzene waste water economic benefits and social benefits energy-conserving rectifier unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921798107.XU CN211056753U (en) | 2019-10-24 | 2019-10-24 | NMP and dichlorobenzene waste water economic benefits and social benefits energy-conserving rectifier unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211056753U true CN211056753U (en) | 2020-07-21 |
Family
ID=71592612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921798107.XU Expired - Fee Related CN211056753U (en) | 2019-10-24 | 2019-10-24 | NMP and dichlorobenzene waste water economic benefits and social benefits energy-conserving rectifier unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211056753U (en) |
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2019
- 2019-10-24 CN CN201921798107.XU patent/CN211056753U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200721 |