CN111410355A - MVR evaporator for treating sewage and application process thereof - Google Patents
MVR evaporator for treating sewage and application process thereof Download PDFInfo
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- CN111410355A CN111410355A CN202010358183.XA CN202010358183A CN111410355A CN 111410355 A CN111410355 A CN 111410355A CN 202010358183 A CN202010358183 A CN 202010358183A CN 111410355 A CN111410355 A CN 111410355A
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- mvr evaporator
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- 239000010865 sewage Substances 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000001704 evaporation Methods 0.000 claims abstract description 44
- 238000010438 heat treatment Methods 0.000 claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 230000008020 evaporation Effects 0.000 claims abstract description 23
- 239000012153 distilled water Substances 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 238000005342 ion exchange Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 238000005273 aeration Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 230000001954 sterilising effect Effects 0.000 claims description 3
- 238000004659 sterilization and disinfection Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 abstract description 2
- 239000006260 foam Substances 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 241000894006 Bacteria Species 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 241000220317 Rosa Species 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- 241000233866 Fungi Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/26—Multiple-effect evaporating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
An MVR evaporator for treating sewage and an application process thereof, the evaporator comprises a feed pump, a first circulating pump, a first heating chamber, a first evaporating chamber, a compressor, a second heating chamber, a second evaporating chamber, a second circulating pump, a controller and a filter box, the feeding pump is arranged at the upper end of the first heating chamber, the lower end of the first heating chamber is connected with the first evaporation chamber, the outlet ends of the first heating chamber and the first evaporation chamber are connected with a first circulating pump, the outlet end of the first circulating pump is connected with a feeding pump, the first evaporation chamber and the top end are connected with the input end of a compressor, the output end of the compressor is connected with the first heating chamber and the second heating chamber, the outlet end at the top of the second heating chamber is connected with a second evaporation chamber, the outlet end at the top of the second evaporation chamber is connected with a compressor, the bottom end of the second evaporation chamber is connected with a second circulating pump, and the output end of the second circulating pump is connected with the bottom end of the second heating chamber. According to the MVR evaporator for treating sewage, the filter box prevents the condensed water outlet from directly discharging sewage.
Description
Technical Field
The invention belongs to the technical field of MVR, and particularly relates to an MVR evaporator for treating sewage and an application process thereof.
Background
MVR is a short for mechanical vapor recompression technology, is widely used in the industries of chemical industry, pharmacy, food, beverage, environmental protection and the like, and is an energy-saving technology for reducing the requirement on external energy by utilizing secondary vapor and energy thereof generated by an evaporation system to lift low-grade vapor into high-grade vapor heat source through mechanical work of a compressor, so that a circulation box evaporation system provides heat energy.
With the continuous improvement of the industrial level in China, the demand of water resources is increasing day by day, however, the water pollution problem in China is not fundamentally treated, but gradually aggravated. This leads to that the pressure of water pollution control will be more prominent in the future period in China with scarce water resources. At present, industrial sewage treatment methods are various, wherein a distillation method is widely applied due to high technical level and remarkable treatment effect. However, a coal-fired boiler is required to provide a large amount of power steam in the operation process of the distillation method, so that the traditional evaporator has the defects of low heat efficiency, high power consumption, high operation cost, resource waste and the like, and the combustion of coal in the boiler is accompanied with the generation of harmful gases such as carbon dioxide, sulfur dioxide and the like, thereby bringing a lot of adverse effects to the production development. In recent years, as a novel evaporation device, an MVR evaporator is generally popular because the technology, the principle and the mode of the traditional evaporation system are thoroughly changed, various heat losses in the system are fully reduced, and various effective heat energies are utilized.
At present, Chinese patent 'CN 201720322397.5' discloses a sewage treatment device based on an MVR evaporator, but the MVR evaporator can generate a large amount of foam, and the water discharged by the MVR evaporator is easy to cause pollution.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide an MVR evaporator for treating sewage, wherein a filter box is arranged to kill bacteria in the discharged condensed water, so that the condensed water is prevented from being directly discharged from a condensed water outlet, the sewage can be recycled for the second time, the pollution is further reduced, and the problem that the MVR evaporator is easy to generate foam is solved by the foam remover.
The technical scheme is as follows: the invention provides an MVR evaporator for treating sewage, which comprises a feed pump, a first circulating pump, a first heating chamber, a first evaporating chamber, a compressor, a second heating chamber, a second evaporating chamber, a second circulating pump, a controller and a filter box, wherein the feed pump is arranged at the upper end of the first heating chamber, the lower end of the first heating chamber is connected with the first evaporating chamber, the outlet ends of the first heating chamber and the first evaporating chamber are connected with the first circulating pump, the outlet end of the first circulating pump is connected with the feed pump, the top ends of the first evaporating chamber and the compressor are connected with the input end of the compressor, the output end of the compressor is connected with the first heating chamber and the second heating chamber, the top outlet end of the second heating chamber is connected with the second evaporating chamber, the top outlet end of the second evaporating chamber is connected with the compressor, the bottom end of the second evaporating chamber is connected with the second circulating pump, and the output, the controller is electrically connected with the feeding pump, the compressor and the filter box;
the bottom end of the first heating chamber is provided with a first condensate outlet, the bottom end of the second heating chamber is provided with a second condensate outlet, the first condensate outlet and the second condensate outlet are connected to a filter box, the filter box comprises a support plate, an activated carbon layer and a sterilization layer from bottom to top, and the support plate is of a porous structure. The MVR evaporator for treating sewage is simple and reasonable in structural design, convenient to operate and low in application cost, and due to the arrangement of the filter box, sundry bacteria in the discharged condensed water can be killed, the condensed water is prevented from being directly discharged from the condensed water outlet, the sewage can be recycled for the second time, and the pollution is further reduced.
Further, above-mentioned handle sewage MVR evaporimeter, the inside upper end of evaporating chamber is equipped with the demister. The problem that the MVR evaporator easily generates foam is solved by the arrangement of the demister.
Further, in the MVR evaporator for treating sewage, the foam removing net is arranged inside the foam remover.
Further, in the MVR evaporator for treating sewage, the demister is of a cylindrical structure.
Further, in the MVR evaporator for treating sewage, the filter box is of a structure with a wide upper part and a narrow lower part.
Further, foretell handle sewage MVR evaporimeter, the rose box bottom is equipped with the delivery port.
Further, in the MVR evaporator for treating sewage, a liquid outlet is formed in the side wall of the bottom end of the second evaporation chamber.
Further, in the MVR evaporator for treating sewage, the feed pump is connected with the controller through a cable; the feeding pump adopts an alternating current servo motor. The efficient cutting machine for the packing box has the advantages of simple and reasonable structural design, convenient operation and low application cost.
Further, the application process of the MVR evaporator for treating the sewage comprises the following specific operation steps:
1): placing the sewage in a homogenizing tank for aeration;
2): filtering the aerated sewage for the first time, and then feeding the sewage into a regulating tank;
3): the sewage treated by the regulating tank enters a feeding pump of the MVR evaporator, and the MVR evaporator is started to work;
4): distilled water, concentrated solution and gas are obtained after the treatment of an MVR evaporator, and the concentrated solution enters a concentrated solution pool;
5): the distilled water enters an ion exchange system for detection, the distilled water reaching the standard is discharged, and the liquid which does not reach the standard enters a homogenizing tank;
6) gas is generated through the ion exchange system and is absorbed into the concentrated solution tank together with the gas generated by the MVR.
The technical scheme shows that the invention has the following beneficial effects: the MVR evaporator for treating the sewage is simple and reasonable in structural design, convenient to operate and low in application cost, the filter box can kill bacteria in the discharged condensed water, the condensed water outlet is prevented from directly discharging the sewage, the sewage can be recycled for the second time, the pollution is further reduced, the foam remover solves the problem that the MVR evaporator is easy to generate foam, and the MVR evaporator has high popularization value.
Drawings
FIG. 1 is a schematic structural diagram of an MVR evaporator for treating sewage according to the present invention;
FIG. 2 is a schematic diagram of a demister of the MVR evaporator for treating sewage according to the present invention;
FIG. 3 is a schematic view of a filter box of an MVR evaporator for treating sewage according to the present invention;
FIG. 4 is a process flow of the MVR evaporator for treating sewage according to the present invention.
In the figure: first comdenstion water export 1, charge pump 2, first circulating pump 3, first heating chamber 4, first evaporating chamber 5, compressor 6, second comdenstion water export 7, second heating chamber 8, second evaporating chamber 9, liquid outlet 10, second circulating pump 11, demister 12, defoaming net 121, controller 13, rose box 14, backup pad 141, activated carbon layer 142, fungus layer 143, delivery port 15.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
Examples
The MVR evaporator for treating sewage as shown in FIG. 1 comprises a feed pump 2, a first circulating pump 3, a first heating chamber 4, a first evaporating chamber 5, a compressor 6, a second heating chamber 8, a second evaporating chamber 9, a second circulating pump 11, a controller 13 and a filter box 14, wherein the feed pump 2 is arranged at the upper end of the first heating chamber 4, the lower end of the first heating chamber 4 is connected with the first evaporating chamber 5, the outlet ends of the first heating chamber 4 and the first evaporating chamber 5 are connected with the first circulating pump 3, the outlet end of the first circulating pump 3 is connected with the feed pump 2, the first evaporating chamber 5 and the top end are connected with the input end of the compressor 6, the output end of the compressor 6 is connected with the first heating chamber 4 and the second heating chamber 8, the top outlet end of the second heating chamber 8 is connected with the second evaporating chamber 9, the top outlet end of the second evaporating chamber 9 is connected with the compressor 6, the side wall of the bottom end of the second evaporating chamber, the bottom end of the second evaporation chamber 9 is connected with a second circulating pump 11, the output end of the second circulating pump 11 is connected with the bottom end of the second heating chamber 8, the controller 13 is electrically connected with the feed pump 2, the compressor 6 and the filter box 14, and the feed pump 2 is connected with the controller 13 through a cable; the feeding pump 2 adopts an alternating current servo motor.
As shown in fig. 2, a demister 12 is provided at an upper end inside the evaporation chamber 5. A defoaming net 121 is arranged inside the demister 121. The demister 12 has a cylindrical structure.
As shown in fig. 3, a first condensed water outlet 1 is provided at the bottom end of the first heating chamber 4, a second condensed water outlet 7 is provided at the bottom end of the second heating chamber 8, the first condensed water outlet 1 and the second condensed water outlet 7 are connected to a filter tank 14, the filter tank 14 includes a support plate 141, an activated carbon layer 142 and a sterilization layer 143 from bottom to top, and the support plate 141 is a porous structure. The filtering box 14 is of a structure with a wide upper part and a narrow lower part, and a water outlet 15 is arranged at the bottom of the filtering box 14.
As shown in fig. 4, the application process of the MVR evaporator for treating sewage described in this embodiment specifically includes the following operation steps:
1): placing the sewage in a homogenizing tank for aeration;
2): filtering the aerated sewage for the first time, and then feeding the sewage into a regulating tank;
3): the sewage treated by the regulating tank enters a feeding pump of the MVR evaporator, and the MVR evaporator is started to work;
4): distilled water, concentrated solution and gas are obtained after the treatment of an MVR evaporator, and the concentrated solution enters a concentrated solution pool;
5): the distilled water enters an ion exchange system for detection, the distilled water reaching the standard is discharged, and the liquid which does not reach the standard enters a homogenizing tank;
6) gas is generated through the ion exchange system and is absorbed into the concentrated solution tank together with the gas generated by the MVR.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.
Claims (9)
1. The utility model provides a handle sewage MVR evaporimeter which characterized in that: the feeding pump is arranged at the upper end of the first heating chamber, the first evaporation chamber is connected to the lower end of the first heating chamber, the first circulating pump is connected to the outlet end of the first heating chamber and the outlet end of the first evaporation chamber, the feeding pump is connected to the outlet end of the first circulating pump, the compressor input end is connected to the first evaporation chamber and the top end, the compressor output end is connected to the first heating chamber and the second heating chamber, the second evaporation chamber is connected to the top outlet end of the second heating chamber, the compressor is connected to the top outlet end of the second evaporation chamber, the second circulating pump is connected to the bottom end of the second evaporation chamber, the second heating chamber bottom end is connected to the output end of the second circulating pump, and the controller is electrically connected with the feeding pump, the second evaporation chamber, the compressor, the controller is electrically connected with the feeding pump, the second evaporation chamber, the controller and the, A compressor and a filter box;
the bottom end of the first heating chamber is provided with a first condensate outlet, the bottom end of the second heating chamber is provided with a second condensate outlet, the first condensate outlet and the second condensate outlet are connected to a filter box, the filter box comprises a support plate, an activated carbon layer and a sterilization layer from bottom to top, and the support plate is of a porous structure.
2. The MVR evaporator for treating sewage according to claim 1, wherein: the upper end of the inner part of the evaporation chamber is provided with a demister.
3. The MVR evaporator for treating sewage according to claim 2, wherein: and a defoaming net is arranged in the demister.
4. The MVR evaporator for treating sewage according to claim 3, wherein: the demister is of a cylindrical structure.
5. The MVR evaporator for treating sewage according to claim 1, wherein: the filter box is of a structure with a wide upper part and a narrow lower part.
6. The MVR evaporator for treating sewage according to claim 5, wherein: and a water outlet is formed in the bottom of the filter box.
7. The MVR evaporator for treating sewage according to claim 1, wherein: and a liquid outlet is formed in the side wall of the bottom end of the second evaporation chamber.
8. The MVR evaporator for treating sewage according to claim 1, wherein: the feeding pump is connected with the controller through a cable; the feeding pump adopts an alternating current servo motor.
9. The application process of the MVR evaporator for treating sewage according to any one of claims 1 to 8, wherein: the specific operation steps are as follows:
1): placing the sewage in a homogenizing tank for aeration;
2): filtering the aerated sewage for the first time, and then feeding the sewage into a regulating tank;
3): the sewage treated by the regulating tank enters a feeding pump of the MVR evaporator, and the MVR evaporator is started to work;
4): distilled water, concentrated solution and gas are obtained after the treatment of an MVR evaporator, and the concentrated solution enters a concentrated solution pool;
5): the distilled water enters an ion exchange system for detection, the distilled water reaching the standard is discharged, and the liquid which does not reach the standard enters a homogenizing tank;
6) gas is generated through the ion exchange system and is absorbed into the concentrated solution tank together with the gas generated by the MVR.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010358183.XA CN111410355A (en) | 2020-04-29 | 2020-04-29 | MVR evaporator for treating sewage and application process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010358183.XA CN111410355A (en) | 2020-04-29 | 2020-04-29 | MVR evaporator for treating sewage and application process thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111410355A true CN111410355A (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010358183.XA Pending CN111410355A (en) | 2020-04-29 | 2020-04-29 | MVR evaporator for treating sewage and application process thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101182083A (en) * | 2007-11-23 | 2008-05-21 | 陈伟雄 | Treatment technique of garbage filter liquor |
| CN104162284A (en) * | 2014-07-10 | 2014-11-26 | 江苏华泰重工装备有限公司 | Double-effect outer circulation concentration evaporator |
| CN105582684A (en) * | 2016-03-14 | 2016-05-18 | 常州中源工程技术有限公司 | Mechanical compression and evaporation device for acid solution evaporation and recovery and treatment method thereof |
| CN206915795U (en) * | 2017-03-30 | 2018-01-23 | 北京合众思流体技术有限公司 | A kind of sewage-treatment plant based on MVR evaporators |
| WO2018070852A1 (en) * | 2016-10-14 | 2018-04-19 | 주식회사 오션허브 | Method for producing reduced-sodium salt containing active ingredient of dunaliella from salt pond water, and reduced-sodium salt produced thereby |
| CN208990256U (en) * | 2018-07-17 | 2019-06-18 | 合众高科（北京）环保技术股份有限公司 | A kind of environment-friendly type MVR evaporator |
| CN212076736U (en) * | 2020-04-29 | 2020-12-04 | 苏州他山石环保科技有限公司 | MVR evaporator for treating sewage |
-
2020
- 2020-04-29 CN CN202010358183.XA patent/CN111410355A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101182083A (en) * | 2007-11-23 | 2008-05-21 | 陈伟雄 | Treatment technique of garbage filter liquor |
| CN104162284A (en) * | 2014-07-10 | 2014-11-26 | 江苏华泰重工装备有限公司 | Double-effect outer circulation concentration evaporator |
| CN105582684A (en) * | 2016-03-14 | 2016-05-18 | 常州中源工程技术有限公司 | Mechanical compression and evaporation device for acid solution evaporation and recovery and treatment method thereof |
| WO2018070852A1 (en) * | 2016-10-14 | 2018-04-19 | 주식회사 오션허브 | Method for producing reduced-sodium salt containing active ingredient of dunaliella from salt pond water, and reduced-sodium salt produced thereby |
| CN206915795U (en) * | 2017-03-30 | 2018-01-23 | 北京合众思流体技术有限公司 | A kind of sewage-treatment plant based on MVR evaporators |
| CN208990256U (en) * | 2018-07-17 | 2019-06-18 | 合众高科（北京）环保技术股份有限公司 | A kind of environment-friendly type MVR evaporator |
| CN212076736U (en) * | 2020-04-29 | 2020-12-04 | 苏州他山石环保科技有限公司 | MVR evaporator for treating sewage |
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Application publication date: 20200714 |