CN214597275U - Concentrated solidification equipment of MVR mother liquor - Google Patents
Concentrated solidification equipment of MVR mother liquor Download PDFInfo
- Publication number
- CN214597275U CN214597275U CN202023060909.6U CN202023060909U CN214597275U CN 214597275 U CN214597275 U CN 214597275U CN 202023060909 U CN202023060909 U CN 202023060909U CN 214597275 U CN214597275 U CN 214597275U
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- Prior art keywords
- film evaporator
- wiped film
- mother liquor
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- mvr
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- 239000012452 mother liquor Substances 0.000 title claims abstract description 54
- 230000008023 solidification Effects 0.000 title claims abstract description 14
- 238000007711 solidification Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 238000009833 condensation Methods 0.000 claims abstract description 4
- 230000005494 condensation Effects 0.000 claims abstract description 4
- 230000008676 import Effects 0.000 claims abstract 2
- 239000000463 material Substances 0.000 claims description 4
- 238000010992 reflux Methods 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 230000007774 longterm Effects 0.000 abstract description 4
- 238000001704 evaporation Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model discloses a MVR mother liquor concentration solidification equipment, including mother liquor heating tank, one-level wiped film evaporator, second grade wiped film evaporator, heat exchanger, vapor condensate pump, liquid ring vacuum pump, spiral dryer, vapor condensate water tank, circulating pump and condenser, be provided with steam coil pipe in the mother liquor heating tank, mother liquor heating tank bottom discharge gate links to each other with the import of circulating pump, the export of circulating pump links to each other with the feed line of one-level wiped film evaporator, the feed line of spiral dryer links to each other with the export of circulating pump, the discharge gate of one-level wiped film evaporator meets with second grade wiped film evaporator feed inlet, the steam outlet of one-level wiped film evaporator and second grade wiped film evaporator links to each other with the upper portion steam inlet of heat exchanger, the lower part of heat exchanger is equipped with vacuum pump interface and vapor condensate delivery outlet; the utility model discloses utilize current ripe evaporative concentration equipment, vapor condensation water retrieval and utilization to anterior segment process, easy operation, guaranteed the long-term steady operation of MVR system.
Description
Technical Field
The utility model belongs to the technical field of a MVR mother liquor processing technique and specifically relates to a concentrated solidification equipment of MVR mother liquor.
Background
The conventional MVR mother liquor treatment mainly adopts a mother liquor pretreatment method to reduce the system maintenance time, the method is weak in pertinence and cannot treat specific wastewater pertinence, and the mother liquor in the system is still difficult to maintain normal evaporation after running for a period of time; some devices that utilize the concentration solidification have appeared among the prior art, but these devices all have the function singleness, the not strong problem of adaptability, consequently the utility model discloses carried out optimal design to this problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a concentrated solidification equipment of MVR mother liquor to the not enough of prior art existence, with the concentrated solidification of high enriched mother liquor in the MVR system, vapour condensate water retrieval and utilization to anterior segment process has guaranteed the long-term steady operation of MVR system.
In order to realize the purpose, the utility model provides an MVR mother liquor concentration and solidification device, which comprises a mother liquor heating tank, a primary wiped film evaporator, a secondary wiped film evaporator, a heat exchanger, a vapor condensate pump, a liquid ring vacuum pump, a spiral dryer, a vapor condensate water tank, a circulating pump and a condenser, wherein a vapor coil pipe is arranged in the mother liquor heating tank, the bottom discharge hole of the mother liquor heating tank is connected with the inlet of the circulating pump, the outlet of the circulating pump is connected with the feed pipeline of the primary wiped film evaporator, the feed pipeline of the spiral dryer is connected with the outlet of the circulating pump, the discharge hole of the primary wiped film evaporator is connected with the feed inlet of the secondary wiped film evaporator, the vapor outlets of the primary wiped film evaporator and the secondary wiped film evaporator are connected with the upper vapor inlet of the heat exchanger, the lower part of the heat exchanger is provided with a vacuum pump interface and a vapor condensate water outlet, the vapor condensate water outlet is connected with the vapor condensate water tank, the vacuum pump interface is connected with the liquid ring vacuum pump, the bottom of the steam condensation water tank is connected with the steam condensation water pump, and the condenser is connected with the steam outlet of the spiral dryer.
As a further improvement of the scheme, the outlet of the circulating pump is also provided with a circulating reflux pipeline which is communicated with the top of the mother liquor heating tank.
As a further improvement of the scheme, the discharge hole of the secondary wiped film evaporator is connected with a mother liquor heating tank through a pipeline, the pipeline extends into the bottom of the mother liquor heating tank, and the outer walls of the primary wiped film evaporator and the secondary wiped film evaporator are both provided with steam jackets.
As a further improvement of the above solution, the liquid ring vacuum pump is connected to the heat exchanger and is used for providing negative pressure for the primary wiped film evaporator and the secondary wiped film evaporator.
As a further improvement of the above solution, the secondary wiped film evaporator is at least ten meters higher than the mother liquor warming tank and the heat exchanger is also at least ten meters higher than the condensing water tank.
As a further improvement of the scheme, the primary wiped film evaporator is arranged at the highest position, and the material of the primary wiped film evaporator overflows into the secondary wiped film evaporator.
The utility model has the advantages that: the MVR mother liquor concentration and solidification device is simple in equipment, utilizes existing mature evaporation and concentration equipment, concentrates and solidifies high-concentration mother liquor in an MVR system, recycles vapor condensate water to a front-stage process, is simple to operate, and ensures long-term stable operation of the MVR system.
Drawings
Fig. 1 is a schematic flow diagram of an MVR mother liquor concentration and solidification device provided by an embodiment of the present invention.
The parts of the drawings are numbered as follows: 1-mother liquor heating tank, 2-primary wiped film evaporation, 3-secondary wiped film evaporator, 4-heat exchanger, 5-condensate water pump, 6-liquid ring vacuum pump, 7-spiral drier, 8-condensate water tank, 9-circulating pump, 10-condenser and 11-steam coil.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.
The embodiment of the utility model provides a concentrated solidification equipment of MVR mother liquor heats the concentrated mother liquor of MVR back through the dry broken back of spiral drying machine, and the bagging-off is collected, through the cooling of circulating water, and condensate water flows to the water pitcher of condensing collects, recycles, practical environmental protection.
Referring to fig. 1, the MVR mother liquor concentration and solidification device includes a mother liquor heating tank 1, a primary wiped film evaporator 2, a secondary wiped film evaporator 3, a heat exchanger 4, a condensate pump 5, a liquid ring vacuum pump 6, a spiral dryer 7, a condensate tank 8, a circulating pump 9 and a condenser 10.
Specifically, a steam coil 11 is arranged in the mother liquor heating tank 1, the MVR concentrated mother liquor enters the mother liquor heating tank 1 through a feeding pipeline, and the heated MVR concentrated mother liquor is output through a circulating pump 9;
further, an inlet of the circulating pump 9 is connected with the bottom of the mother liquor heating tank 1, an outlet of the circulating pump 9 is connected with a feeding pipeline of the primary wiped film evaporator 2, a feeding pipeline of the spiral dryer 7 is connected with an outlet of the circulating pump 9, the pipeline is provided with steam tracing and heat preservation, an outlet of the circulating pump 9 is also provided with a circulating reflux pipeline, and the circulating reflux pipeline is communicated with the top of the mother liquor heating tank 1;
in the embodiment, the primary wiped film evaporator 2 is heated by a steam jacket, a discharge hole of the primary wiped film evaporator 2 is connected with a feed hole of the secondary wiped film evaporator 3, the primary wiped film evaporator 1 is arranged at the highest position, materials overflow to the secondary wiped film evaporator 3 by gravity, and steam outlets of the primary wiped film evaporator 2 and the secondary wiped film evaporator 3 are connected with an inlet of a heat exchanger 4;
further, the secondary wiped film evaporator 3 is heated by a steam jacket, a discharge port of the secondary wiped film evaporator overflows into the mother liquor heating tank 1, and a pipeline extends into the bottom of the mother liquor heating tank 1;
in the embodiment, the secondary wiped film evaporator 3 is at least 10 meters higher than the mother liquor heating tank 1 to form a liquid seal to maintain negative pressure, a steam outlet of the secondary wiped film evaporator is condensed with the primary wiped film evaporator 2 by using the heat exchanger 4, a steam inlet at the upper part of the heat exchanger 4 is connected with the primary wiped film evaporator 2 and the secondary wiped film evaporator 3, circulating water is adopted for cooling, a condensate water outlet and a vacuum pump interface are arranged at the lower part of the heat exchanger 4, the condensate water outlet is connected with a condensate water tank 8, and the vacuum pump interface is connected to the liquid ring vacuum pump 6;
further, the heat exchanger 4 is at least 10 meters higher than the condensate tank 8 to form a liquid seal and maintain negative pressure, and condensate is conveyed out through the condensate pump 5; the liquid ring vacuum pump 6 is connected to the heat exchanger 4, provides the negative pressure for one-level wiped film evaporator 2 and second grade wiped film evaporator 3, the condenser 10 links to each other with the steam outlet of spiral dryer 7, through circulating water cooling, the condensate water flows to condensate water jar 8 and collects.
Further, spiral dryer 7 is connected with the export of circulating pump 9, through the feeding of circulating pump 9, and the material is through steam normal pressure heating evaporation in spiral dryer 7, through inside spiral stirring drying, and final MVR concentrated mother liquor is got rid of from the discharge gate after spiral dryer 7 is dried and is broken, and the bagging-off is collected.
In a word, the MVR mother liquor concentration and solidification device is simplified in equipment, utilizes existing mature evaporation and concentration equipment to concentrate and solidify the high-concentration mother liquor in the MVR system, recycles the steam condensate water to a front-stage process, is simple to operate, and ensures long-term stable operation of the MVR system.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
The above-described embodiments should not be construed as limiting the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. The utility model provides a concentrated solidification equipment of MVR mother liquor, includes mother liquor heating tank, one-level wiped film evaporator, second grade wiped film evaporator, heat exchanger, condensate water pump, liquid ring vacuum pump, spiral drying machine, condensate water jar, circulating pump and condenser, its characterized in that: be provided with steam coil in the mother liquor heating tank, the mother liquor heating tank bottom discharge gate links to each other with the import of circulating pump, the export of circulating pump links to each other with the charge-in pipeline of one-level wiped film evaporator, spiral dryer's charge-in pipeline links to each other with the export of circulating pump, the discharge gate of one-level wiped film evaporator meets with second grade wiped film evaporator feed inlet, the steam outlet of one-level wiped film evaporator and second grade wiped film evaporator links to each other with the upper portion steam inlet of heat exchanger, the lower part of heat exchanger is equipped with vacuum pump interface and water condensate delivery outlet, the water condensate delivery outlet links to each other with the water condensate tank, vacuum pump interface links to each other with the liquid ring vacuum pump, water condensate tank bottom links to each other with the water condensate pump, the condenser links to each other with spiral dryer's steam outlet.
2. The MVR mother liquor concentrating and curing device according to claim 1, wherein: and the outlet of the circulating pump is also provided with a circulating reflux pipeline which is communicated with the top of the mother liquor heating tank.
3. The MVR mother liquor concentrating and curing device according to claim 1, wherein: the discharge gate of second grade wiped film evaporator links to each other with the mother liquor heating jar through the pipeline, the pipeline is gone deep into the bottom of mother liquor heating jar, the outer wall of one-level wiped film evaporator and second grade wiped film evaporator all sets up steam jacket.
4. The MVR mother liquor concentrating and curing device according to claim 1, wherein: the liquid ring vacuum pump is connected to the heat exchanger and is used for providing negative pressure for the first-stage wiped film evaporator and the second-stage wiped film evaporator.
5. The MVR mother liquor concentrating and curing device according to claim 1, wherein: the secondary wiped film evaporator is at least ten meters higher than the mother liquor heating tank, and the heat exchanger is also at least ten meters higher than the vapor condensation water tank.
6. The MVR mother liquor concentrating and curing device according to claim 1, wherein: the first-stage wiped film evaporator is arranged at the highest position, and the material of the first-stage wiped film evaporator overflows into the second-stage wiped film evaporator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023060909.6U CN214597275U (en) | 2020-12-18 | 2020-12-18 | Concentrated solidification equipment of MVR mother liquor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023060909.6U CN214597275U (en) | 2020-12-18 | 2020-12-18 | Concentrated solidification equipment of MVR mother liquor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214597275U true CN214597275U (en) | 2021-11-05 |
Family
ID=78430582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023060909.6U Expired - Fee Related CN214597275U (en) | 2020-12-18 | 2020-12-18 | Concentrated solidification equipment of MVR mother liquor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214597275U (en) |
-
2020
- 2020-12-18 CN CN202023060909.6U patent/CN214597275U/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: 20211105 |
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| CF01 | Termination of patent right due to non-payment of annual fee |