CN216584265U - Low-level waste liquid heat pump evaporation treatment system that puts - Google Patents
Low-level waste liquid heat pump evaporation treatment system that puts Download PDFInfo
- Publication number
- CN216584265U CN216584265U CN202122495643.6U CN202122495643U CN216584265U CN 216584265 U CN216584265 U CN 216584265U CN 202122495643 U CN202122495643 U CN 202122495643U CN 216584265 U CN216584265 U CN 216584265U
- Authority
- CN
- China
- Prior art keywords
- preheater
- communicated
- heating chamber
- inlet
- waste liquid
- Prior art date
- 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.)
- Active
Links
Images
Abstract
The utility model provides a low waste liquid heat pump evaporation processing system that puts, belong to heat pump evaporation technical field, including the feed pump, the evaporimeter, steam compressor, communicating pipe, the evaporimeter comprises heating chamber and separator, the feed pump, first pre-heater, the second pre-heater is connected according to this according to the tube side, second pre-heater export and heating chamber lower part import intercommunication, heating chamber top export and separator lower part inlet intercommunication, separator top gas outlet and purge tower lower part air inlet intercommunication, the gas outlet and the steam compressor air inlet intercommunication at purge tower top, steam compressor gas outlet and a heating chamber shell side air inlet intercommunication, heating chamber and second pre-heater shell side import intercommunication, the shell side export pipeline of second pre-heater communicates to steam generator's import. The evaporator which is provided with the independent separation heating chamber and the separation chamber can ensure the effect of waste liquid evaporation, and the steam compressor and the electric steam generator are arranged, so that steam can be recycled.
Description
Technical Field
The utility model relates to the technical field of heat pump evaporation, in particular to a low-level waste liquid heat pump evaporation treatment system.
Background
With the rapid development of industry, more and more enterprises, especially chemical enterprises, are increasing and expanding in quantity and scale, and these enterprises usually generate a certain amount of low-reflectivity waste liquid in the production process, and the waste liquid can be discharged after reaching the national standard through purification treatment due to the toxic and harmful substances such as radioactive substances, heavy metal elements and the like.
When treating these low level waste liquids, many enterprises usually adopt two ways: firstly outsourcing is given the environmental protection company, secondly this company spends high-priced processing, but no matter be environmental protection company or enterprise itself, the equipment of adoption all is simple separation processing, and heating steam, cooling water etc. that use in the purification treatment process are disposable usually, and heating steam can concentrate on heating in a big heating equipment promptly, then through the pipe-line transportation on the user equipment, and this kind of mode can have very big energy waste, leads to the purification treatment cost to increase.
SUMMERY OF THE UTILITY MODEL
The utility model provides a heat pump evaporation treatment system for low-level waste liquid, which aims to overcome the defects, and the heat pump evaporation treatment system for low-level waste liquid is provided with an evaporator which independently separates a heating chamber and a separation chamber, so that the processes of heating waste liquid and separating gas and liquid are separated, and the effect of evaporating waste liquid can be ensured; set up vapor treatment equipment such as vapor compressor, electric steam generator, can heat steam once more and directly be used for heating the waste liquid for steam can be retrieved and recycled, does benefit to reduction energy consumption, reduce cost.
In order to achieve the purpose, the utility model provides the following technical scheme: a low-emission waste liquid heat pump evaporation treatment system comprises a feeding pump, an evaporator, a steam compressor and a communicating pipe, wherein the evaporator consists of a heating chamber and a separation chamber, a liquid outlet pipeline of the feeding pump is communicated with a tube pass inlet of a first preheater, a tube pass outlet pipeline of the first preheater is communicated with a tube pass inlet of a second preheater, a tube pass outlet pipeline of the second preheater is communicated with a tube pass inlet at the lower part of the heating chamber, a tube pass outlet pipeline at the top of the heating chamber is communicated with a liquid inlet at the lower part of the separation chamber, a gas outlet pipeline at the top of the separation chamber is communicated with a gas inlet at the lower part of a purification tower, a gas outlet pipeline at the top of the purification tower is connected with a gas inlet of the steam compressor, a gas outlet pipeline of the steam compressor is communicated with a shell pass gas inlet of the heating chamber, a shell pass gas outlet pipeline of the heating chamber is communicated with a shell pass inlet of the second preheater, and a shell pass outlet pipeline of the second preheater is communicated with an inlet of an electric steam generator, a steam outlet pipeline at the top of the electric steam generator is communicated with a shell side air inlet II of the heating chamber, a liquid outlet pipeline at the bottom of the electric steam generator is communicated with a shell side inlet of the first preheater, and a shell side outlet pipeline of the first preheater is communicated with the cooler; the liquid outlet pipeline at the bottom of the separation chamber is connected with the tube pass inlet at the lower part of the heating chamber. The working principle is as follows: firstly, the waste liquid is conveyed to a first preheater by a feeding pump to be preheated to about 70-80 ℃, and then enters a second preheater to further preheat the waste liquid to above 90 ℃ by a small amount of non-condensable gas in an evaporator heating chamber and steam heat carried by the non-condensable gas; secondly, the preheated waste liquid enters a heating chamber in the evaporator through a communicating pipe, is heated to a boiling point in the tube pass of the heating chamber, is evaporated and separated from gas and liquid through a separation chamber, and evaporated steam flows into a purification tower from the top of the separation chamber to be purified; and finally, after the purified gas is compressed and boosted by the steam compressor and heated, heating steam enters a heating chamber of the evaporator from the outlet of the steam compressor to heat waste liquid, the waste liquid in the evaporator and the second preheater absorbs the vaporization heat of secondary steam to change the secondary steam into condensate, the condensate flows into the electric steam generator to be heated into high-temperature condensate, most of the condensate flows into the first preheater through a pipeline to preheat the waste liquid, and the cyclic utilization of the steam is realized.
Further preferred scheme: the first preheater is composed of an upper preheater and a lower preheater which are the same in parallel, one end of the upper preheater is respectively provided with a tube pass outlet communicated with the second preheater and a shell pass inlet communicated with the electric steam generator, and the tube pass and the shell pass of the upper preheater and the lower preheater at the other end are respectively communicated through pipelines. Through the heating cylinder that sets up two intercommunications, and the waste liquid is imported and exported the position and is set to arrange in two heating cylinder both sides with vertical axis for the waste liquid is "S" type in the pre-heater flow path, can prolong the time of heating, and then guarantees the heating effect.
Further preferred scheme: and a defoaming device is fixedly arranged at the upper part of the separation chamber, close to the steam outlet. The foam and flocculent impurities in the steam can be removed by arranging the defoaming device, and the influence of the blocked pipeline on the steam system at the back is avoided.
Further preferred scheme: a buffer pump is arranged on a communicating pipeline between the liquid outlet of the electric steam generator and the shell pass inlet of the first preheater. Set up the buffer pump, can be in time quick send steam into first pre-heater, avoid heat consumption.
Further preferred scheme: the buffer pump is communicated with the air outlet of the vapor compressor through another pipeline. By communicating the buffer pump with the outlet of the vapor compressor, a part of condensate with the temperature of about 100 ℃ can be sent to the outlet of the compressor to eliminate the superheat degree of the compressed secondary vapor, and the part of condensate is vaporized at the outlet of the compressor and enters the feeding liquid of the evaporator together with the secondary vapor to be heated.
Further preferred scheme: the lower part of the heating chamber is additionally provided with a shell pass air outlet two pipeline which is communicated with an inlet of the electric steam generator. The steam in the shell pass of the heating chamber can be sent back to the electric steam generator for secondary heating.
Further preferred scheme: the bottom of the heating chamber is provided with a residual liquid outlet. The residual liquid outlet is arranged to facilitate the discharge of the residual liquid.
The utility model provides a heat pump evaporation treatment system for low-level waste liquid, which has the following beneficial effects:
1. the evaporator which independently separates the heating chamber from the separation chamber is arranged, so that the processes of heating the waste liquid and separating gas from liquid are separated, and the effect of evaporating the waste liquid can be ensured; set up vapor treatment equipment such as vapor compressor, electric steam generator, can heat steam once more and directly be used for heating the waste liquid for steam can be retrieved and recycled, does benefit to reduction energy consumption, reduce cost.
2. The utility model has the advantages that the foam and flocculent impurities in the steam can be removed by arranging the foam removing device, thereby avoiding the influence of pipeline blockage on the subsequent steam system; through the cartridge heater with first pre-heater setting two intercommunications, and the waste liquid is imported and exported the position and is set to arrange in two cartridge heaters both sides with vertical axis for the waste liquid is "S" type in the pre-heater circulation route, can prolong the time of heating, and then guarantees the heating effect.
Drawings
Fig. 1 is a schematic view of the connection structure of the whole system of the present invention.
In fig. 1: 1. a feed pump; 2. a first preheater; 3. a second preheater; 4. a communicating pipe; 5. an evaporator; 6. a heating chamber; 7. a separation chamber; 8. a defoaming device; 9. a purification tower; 10. a vapor compressor; 11. an electric steam generator; 12. a buffer pump; 13. a cooler.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
please refer to fig. 1:
a low-emission waste liquid heat pump evaporation treatment system, an evaporator 5 is composed of a heating chamber 6 and a separation chamber 7, a liquid outlet pipeline of a feeding pump 1 is communicated with a tube side inlet of a first preheater 2, a tube side outlet pipeline of the first preheater 2 is communicated with a tube side inlet of a second preheater 3, a tube side outlet pipeline of the second preheater 3 is communicated with a tube side inlet at the lower part of the heating chamber 6, a tube side outlet pipeline at the top of the heating chamber 6 is communicated with a liquid inlet at the lower part of the separation chamber 7, a gas outlet pipeline at the top of the separation chamber 7 is communicated with a gas inlet at the lower part of a purifying tower 9, a gas outlet pipeline at the top of the purifying tower 9 is connected with a gas inlet of a vapor compressor 10, a gas outlet pipeline of the vapor compressor 10 is communicated with a shell side gas inlet I of the heating chamber 6, a shell side gas outlet pipeline of the heating chamber 6 is communicated with a shell side inlet of the second preheater 3, and a shell side outlet pipeline of the second preheater 3 is communicated with an inlet of an electric vapor generator 11, a steam outlet pipeline at the top of the electric steam generator 11 is communicated with a shell side air inlet II of the heating chamber 6, a liquid outlet pipeline at the bottom of the electric steam generator 11 is communicated with a shell side inlet of the first preheater, and a shell side outlet pipeline of the first preheater is communicated with the cooler 13; a liquid outlet pipeline at the bottom of the separation chamber 7 is connected with a tube pass inlet at the lower part of the heating chamber 6, a shell pass gas outlet two pipeline is additionally arranged at the lower part of the heating chamber 6 and is communicated with an inlet of the electric steam generator 11, and a residual liquid outlet is arranged at the bottom of the heating chamber 6.
The first preheater 2 is composed of an upper preheater and a lower preheater which are the same in parallel, one end of the upper preheater is respectively provided with a tube pass outlet communicated with the second preheater 3 and a shell pass inlet communicated with the electric steam generator 11, and the tube pass and the shell pass of the upper preheater and the lower preheater at the other end are respectively communicated through pipelines.
A defoaming device 8 is fixedly arranged at the upper part of the separation chamber 7 close to the steam outlet.
A buffer pump 12 is arranged on a communicating pipeline between the liquid outlet of the electric steam generator 11 and the shell pass inlet of the first preheater 2; the buffer pump 12 is connected to the outlet of the vapor compressor 10.
The working principle is as follows: firstly, the waste liquid is conveyed to a first preheater 2 by a feeding pump 1 and preheated to about 70-80 ℃, and then enters a second preheater 3 to further preheat the waste liquid to more than 90 ℃ by using a small amount of non-condensable gas in a heating chamber 6 of an evaporator 5 and steam heat carried by the non-condensable gas; secondly, the preheated waste liquid enters a heating chamber 6 in an evaporator 5 through a communicating pipe 4, is heated to a boiling point in the tube pass of the heating chamber 6, is evaporated and separated from gas and liquid through a separation chamber 7, and evaporated steam flows into a purification tower 9 from the top of the separation chamber 7 for purification treatment; finally, after the purified gas is compressed and boosted by the vapor compressor 10 and heated, heating steam enters the heating chamber 6 of the evaporator 5 from the outlet of the vapor compressor 10 to heat waste liquid, the waste liquid in the evaporator 5 and the second preheater 3 absorbs the vaporization heat of the secondary steam to change the secondary steam into condensate, the condensate flows into the electric vapor generator 11 to be heated into high-temperature condensate, most of the condensate flows into the first preheater 2 through a pipeline to preheat the waste liquid, and the cyclic utilization of the steam is realized.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a low waste liquid heat pump evaporation treatment system that puts, includes feed pump (1), evaporimeter (5), vapor compressor (10), communicating pipe (4), its characterized in that: the evaporator (5) consists of a heating chamber (6) and a separation chamber (7), a liquid outlet pipeline of a feeding pump (1) is communicated with a tube side inlet of a first preheater (2), a tube side outlet pipeline of the first preheater (2) is communicated with a tube side inlet of a second preheater (3), a tube side outlet pipeline of the second preheater (3) is communicated with a tube side inlet at the lower part of the heating chamber (6), a tube side outlet pipeline at the top part of the heating chamber (6) is communicated with a liquid inlet at the lower part of the separation chamber (7), a gas outlet pipeline at the top part of the separation chamber (7) is communicated with a gas inlet at the lower part of a purification tower (9), a gas outlet pipeline at the top part of the purification tower (9) is connected with a gas inlet of a steam compressor (10), a gas outlet pipeline of the steam compressor (10) is communicated with a shell side gas inlet of the heating chamber (6), a shell side gas outlet pipeline of the heating chamber (6) is communicated with a shell side inlet of the second preheater (3), a shell side outlet pipeline of the second preheater (3) is communicated to an inlet of the electric steam generator (11), a steam outlet pipeline at the top of the electric steam generator (11) is communicated with a shell side air inlet II of the heating chamber (6), a liquid outlet pipeline at the bottom of the electric steam generator (11) is communicated with a shell side inlet of the first preheater, and a shell side outlet pipeline of the first preheater is communicated with the cooler (13); a liquid outlet pipeline at the bottom of the separation chamber (7) is connected with a tube side inlet at the lower part of the heating chamber (6).
2. The low level waste liquid heat pump evaporation treatment system of claim 1, characterized in that: the first preheater (2) is composed of an upper preheater and a lower preheater which are the same in parallel, one end of the upper preheater is respectively provided with a tube pass outlet communicated with the second preheater (3) and a shell pass inlet communicated with the electric steam generator (11), and the tube pass and the shell pass of the upper preheater and the lower preheater at the other end are respectively communicated through pipelines.
3. The low level waste liquid heat pump evaporation treatment system of claim 1, characterized in that: a defoaming device (8) is fixedly arranged at the upper part of the separation chamber (7) close to the steam outlet.
4. The low level waste liquid heat pump evaporation treatment system of claim 1, characterized in that: a buffer pump (12) is arranged on a communicating pipeline between the liquid outlet of the electric steam generator (11) and the shell pass inlet of the first preheater (2).
5. The low level waste liquid heat pump evaporation treatment system of claim 4, characterized in that: the other pipeline of the buffer pump (12) is communicated with the air outlet of the vapor compressor (10).
6. The low level waste liquid heat pump evaporation treatment system of claim 1, characterized in that: the lower part of the heating chamber (6) is additionally provided with a shell pass air outlet two pipeline which is communicated with an inlet of the electric steam generator (11).
7. The low level waste liquid heat pump evaporation treatment system of claim 1, characterized in that: the bottom of the heating chamber (6) is provided with a residual liquid outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122495643.6U CN216584265U (en) | 2021-10-18 | 2021-10-18 | Low-level waste liquid heat pump evaporation treatment system that puts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122495643.6U CN216584265U (en) | 2021-10-18 | 2021-10-18 | Low-level waste liquid heat pump evaporation treatment system that puts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216584265U true CN216584265U (en) | 2022-05-24 |
Family
ID=81638675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122495643.6U Active CN216584265U (en) | 2021-10-18 | 2021-10-18 | Low-level waste liquid heat pump evaporation treatment system that puts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216584265U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115910411A (en) * | 2023-01-04 | 2023-04-04 | 中国原子能科学研究院 | Radioactive waste liquid treatment method and system |
| CN116092717A (en) * | 2023-01-04 | 2023-05-09 | 中国原子能科学研究院 | Radioactive waste liquid treatment method and system |
-
2021
- 2021-10-18 CN CN202122495643.6U patent/CN216584265U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115910411A (en) * | 2023-01-04 | 2023-04-04 | 中国原子能科学研究院 | Radioactive waste liquid treatment method and system |
| CN116092717A (en) * | 2023-01-04 | 2023-05-09 | 中国原子能科学研究院 | Radioactive waste liquid treatment method and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216584265U (en) | Low-level waste liquid heat pump evaporation treatment system that puts | |
| CN107324426A (en) | A kind of residual heat from boiler fume coupling evaporation concentrates desulfurization wastewater system | |
| CN109331614A (en) | The recovery system and method for Combined cycle gas-steam turbine unit fume afterheat and moisture | |
| CN110451596A (en) | A kind of carrier gas extraction HPE vapo(u)rization system | |
| CN204588906U (en) | Mercury-containing waste water desalination special processor | |
| CN204404134U (en) | Pure steam generator | |
| CN206680208U (en) | A kind of residual heat from boiler fume coupling evaporation concentrates desulfurization wastewater system | |
| CN201373694Y (en) | Combined secondary steam heat energy recovery device for heat pipe phase change heat exchanger of steam jet heat pump | |
| CN214299359U (en) | MVR high-efficiency energy-saving evaporation treatment system for nano-silver industrial wastewater treatment | |
| CN111517400B (en) | Low-grade heat source coupling multi-effect flash evaporation concentration evaporation system | |
| CN114772829A (en) | Distillation-oxidation treatment system and method for organic acid chemical cleaning waste liquid of power station boiler | |
| CN114426296A (en) | Process production line and process method for preparing caustic soda | |
| CN206051600U (en) | A kind of low-temperature evaporation crystal system for processing thermal power plant's high slat-containing wastewater | |
| CN210736251U (en) | Carrier gas extraction HPE evaporation system | |
| CN101898046B (en) | Secondary waste steam introducer in alkali evaporation station | |
| CN213771407U (en) | Tubular furnace ammonia still equipment | |
| CN201755417U (en) | Secondary waste steam introduction device in alkali evaporation station | |
| CN220633018U (en) | Falling film reboiler intensification vaporization system | |
| CN213077507U (en) | Continuous enrichment facility of corrosivity feed liquid | |
| CN204607766U (en) | A kind of Waste water concentrating system | |
| CN217032067U (en) | Flue gas waste heat utilization system | |
| CN219891899U (en) | Dividing wall type heat pump evaporation system for radioactive waste liquid | |
| CN217773246U (en) | Single-effect evaporation waste heat utilization system | |
| CN210193454U (en) | A splitter for waste water evaporation retrieval and utilization | |
| CN210205929U (en) | Mechanical type vapor compression evaporation integrated device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |