CN206103380U - Energy -conserving evaporation equipment of mixed salt solution - Google Patents
Energy -conserving evaporation equipment of mixed salt solution Download PDFInfo
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- CN206103380U CN206103380U CN201621080564.1U CN201621080564U CN206103380U CN 206103380 U CN206103380 U CN 206103380U CN 201621080564 U CN201621080564 U CN 201621080564U CN 206103380 U CN206103380 U CN 206103380U
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Abstract
The utility model discloses an energy -conserving evaporation equipment of mixed salt solution, including preheating device, evaporation and concentration apparatus, evaporation crystallization device, crystal separation device, controlling means. This energy -conserving evaporation equipment of mixed salt solution, adopt compressor compression evaporative concentration ware, the flash steam that the crystallizing evaporator internal separation goes out, flash steam after the use compression is as heating steam, traditional steam heating's evaporation crystallization mode has been replaced, and through setting up the inside reciprocating of return circuit implementation system, accomplish need not to give birth to steam heating, need not condensation device, only need a small amount of electric energy just can reach good evaporation effect, thereby be mixed salt solution treatment process reduce cost, energy -concerving and environment -protectively a new way has been opened up, divide into evaporative concentration and evaporation two stages of crystallization with the evaporation process through split type structure, utilize monitoring of liquid level, temperature signal and automatic feedback control, improved equipment operating stability greatly, reduced equipment loss and operation cost.
Description
Technical field
This utility model is related to the energy-conservation evaporation technical field of solution, in particular it relates to a kind of energy-conserving steaming of mixed salt solution
The equipment of sending out.
Background technology
Mixed salt is a kind of material that Jing often occurs in Chemical Manufacture, and mixed salt solution condensing crystallizing generally adopts evaporator man
Skill, traditional evaporation technology uses steam energy, and steam energy is generally obtained further through the combusts fossil energy (coal, oil etc.)
.In recent years since, steam price rises steadily, and the energy consumption cost of traditional evaporation technology causes vast enterprise's increased pressure, more next
More can't bear the heavy load, and the burning of fossil energy brings the huge hidden danger of environmental pollution, increasingly away from energy-conserving and environment-protective, green
The development general trend of events at home.
Utility model content
The purpose of this utility model is the energy-conservation evaporation equipment for providing a kind of mixed salt solution, to solve above-mentioned background technology
The problem of middle proposition.
For achieving the above object, this utility model provides following technical scheme：
A kind of energy-conservation evaporation equipment of mixed salt solution, including preheating device, evaporation concentration device, evaporated crystallization device, knot
Brilliant segregation apparatuss, control device；The preheating device includes material buffer tank, preheater, and material buffer tank passes through with preheater
One section of conveying pipeline connection, on the conveying pipeline feed pump is provided with；The evaporation concentration device includes that first circulation pump, concentration steam
Send out device, vapour compression machine and condensate water pot；The port of export pipeline of the circulating pump is connected to the discharge end of preheater；First follows
Ring pump and concentration evaporator connect and are formed closed-loop path by pipeline, and concentrated solution is steamed by closed-loop path in circulating pump and concentration
Send out and circulated between device；The concentration evaporator bottom concentrated solution discharging opening is connected by transfering material pump and pipeline with evaporated crystallization device
Connect；The steam (vapor) outlet of the concentration evaporator connects the air inlet of vapour compression machine by one section of appendix, vapour compression machine
Gas outlet connects with concentration evaporator steam inlet, and the steam condensate (SC) outlet of Jing heat exchange condensations connects condensed water by water-supply-pipe
Tank；The evaporated crystallization device includes second circulation pump, crystallizing evaporator；Crystallizing evaporator bottom charging aperture passes through pipeline
Evaporation concentration device is connected to the transfering material pump；Second circulation pump and crystallizing evaporator are connected by pipeline and are formed and close back
Road, concentrated solution is circulated by closed-loop path between second circulation pump and crystallizing evaporator；The crystallizing evaporator bottom concentration
Liquid discharging opening is connected by discharging pump and pipeline with Crystallization Separation device；The steam (vapor) outlet of the crystallizing evaporator is defeated by one section
Trachea connects the air inlet of the vapour compression machine, the gas outlet of the vapour compression machine and the crystallizing evaporator steam inlet
Connection, the steam condensate (SC) outlet of Jing heat exchange condensations connects the condensate water pot by water-supply-pipe；The Crystallization Separation device bag
Crystallizer, equipment for separating liquid from solid are included, crystallizer and equipment for separating liquid from solid are connected to going out for crystallizing evaporator in turn by discharging pump
Material end；The control device includes control circuit, sensor, and the data such as liquid level, temperature are monitored by sensor, by controlling
Circuit processed automatically controls each pump operation, realizes full-range automatization.Here, concentration evaporator, crystallizing evaporator were both available
Steam is heated to solution, is easy to solution to be concentrated respectively in its each substructure again, reconcentration, with integration
Structural advantage, advantageously reduces the connection members such as pipeline, shortens solution flow process, and work efficiency is improved in effectively utilizes space.
Preferably, the sensor includes the concentration liquid level sensor in concentration evaporator, the control circuit point
It is not connected with concentration liquid level sensor, feed pump.
Preferably, the sensor includes the crystallization liquid level sensor in crystallizing evaporator, the control circuit point
It is not connected with crystallization liquid level sensor, transfering material pump.
Preferably, the sensor includes steam temperature sensor, the fluid temperature sensor in crystallizing evaporator,
The control circuit is connected respectively with steam temperature sensor, fluid temperature sensor and discharging pump.
Preferably, the condensate water pot is provided with condensation-water drain, and the condensation-water drain is by water-supply-pipe and distilled water pump
Water inlet end connection, the water side of the distilled water pump is connected on preheater.
Preferably, second servo loop is provided between the equipment for separating liquid from solid and crystallizing evaporator, second servo loop is provided with mother
Liquid pump, the mother solution obtained after solid-liquid separation circular treatment in mother solution is pumped into evaporated crystallization device.
Compared with prior art, the beneficial effects of the utility model are：The energy-conservation evaporation equipment replacement of this mixed salt solution
Traditional steam-heated evaporation mode, using the secondary steaming isolated in compressor compresses concentration evaporator, crystallizing evaporator
Vapour, using the indirect steam after compression as vapourss are added, instead of traditional steam-heated evaporation and crystallization mode, and pass through
The reciprocation cycle that internal system is realized in loop is set, accomplishes, without the need for raw steam heating, without the need for condensing plant, only to need a small amount of electric energy
Good evaporation effect can be just reached, so as to open a new way for mixed salt solution processing procedure reduces cost, energy-conserving and environment-protective
Footpath；Evaporation process is divided into by evaporation and concentration and evaporative crystallization two benches by split-type structural, is monitored using liquid level, temperature signal
And automatic feedback control, stable equipment operation is substantially increased, reduce equipment loss and operation cost.
For the purpose of utility model is better achieved, here, a kind of energy-conservation evaporation equipment of the mixed salt solution is also provided
Control method, comprise the following steps：
S1. evaporation concentration device concentration evaporator liquid level is monitored by concentration liquid level sensor, in concentration evaporator
Control circuit automatically controls unlatching feed pump during low liquid level, and when concentration evaporator liquid level is high feed pump is closed, it is ensured that concentration is steamed
Send out device liquid level and maintain stable region；
S2. the crystallizing evaporator liquid level of evaporated crystallization device is monitored by crystallization liquid level sensor, in crystallization and evaporation
During device low liquid level, transfering material pump is automatically controlled by control circuit and is opened, the liquid automatic stream crystallizing evaporator in concentration evaporator,
Material is supplemented in crystallizing evaporator, and when crystallizing evaporator liquid level is high, control circuit automatically controls transfering material pump closing, passes through
The keying of transfering material pump, makes the material liquid level in crystallizing evaporator maintain stable region；
S3. because mixed salt solution is under finite concentration, there is stable temperature difference in its liquid temperature and vapor (steam) temperature, by steam
Temperature sensor, fluid temperature sensor are monitored respectively to indirect steam temperature and temperature of charge in crystallizing evaporator, when
Control circuit monitors that vapour-liquid temperature difference reaches setting value, that is, represent that concentrated solution reaches requirement concentration, then control discharging pump and open
Discharging, when the temperature difference drops to certain setting value, closes discharging pump and stops discharging, so realizes self-emptying.
Description of the drawings
Fig. 1 is the structural representation of this utility model embodiment；
Fig. 2 is the block diagram of the control device of this utility model embodiment；
Wherein：1. material buffer tank, 2. feed pump, 3. preheater, 4. concentration evaporator, 5. first circulation pump, 6. turn material
Pump, 7. crystallizing evaporator, 8. second circulation pump, 9. vapour compression machine, 10. condensate water pot, 11. distilled water pumps, 12. discharging pumps,
13. crystallizer, 14. equipment for separating liquid from solid, 15. mother solution pumps.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
With reference to shown in Fig. 1, Fig. 2, a kind of energy-conservation evaporation equipment of mixed salt solution, mixed salt solution energy-conservation evaporation equipment, its bag
Include preheating device, evaporation concentration device, evaporated crystallization device, Crystallization Separation device, control device；The preheating device includes thing
Material surge tank 1, feed pump 2, preheater 3, material buffer tank 1 is connected with preheater 3 by one section of conveying pipeline, on the conveying pipeline
Feed pump 2 is installed；The evaporation concentration device includes concentration evaporator 4, first circulation pump 5, vapour compression machine 9 and condensation
Water pot 10；The discharge end of preheater 3 is connected with the port of export pipeline of the first circulation pump 5；First circulation pump 5 steams with concentration
Send out device 4 and connect and formed closed-loop path by pipeline, the concentrated solution after concentrated vaporizer 4 is separated is real by first circulation pump 5
Existing circulating and evaporating, isolates concentrated solution；The bottom concentrated solution outlet of the concentration evaporator 4 is by a transfering material pump 6 and pipeline and steaming
Send out crystallization apparatus connection；The steam (vapor) outlet of the concentration evaporator 4 connects the air inlet of vapour compression machine 9 by one section of appendix
Mouthful, one of gas outlet of vapour compression machine 9 is connected with the steam inlet of concentration evaporator 4, and the condensation-water drain of concentration evaporator 4 leads to
Cross water-supply-pipe connection condensate water pot 10；The evaporated crystallization device includes crystallizing evaporator 7, second circulation pump 8；The crystallization is steamed
Send out the feeding mouth of device 7 to be connected with the outlet of transfering material pump described above 6 by pipeline；The crystallizing evaporator 7 passes through with second circulation pump 8
Pipeline connects to form closed-loop path, and material is heated in crystallizing evaporator 7, steamed by second circulation pump 8 on the closed-loop path
Send out, concentrated solution and indirect steam are formed after gas-liquid separation；The steam (vapor) outlet of the crystallizing evaporator 7 is by one section of appendix connection
The air inlet of vapour compression machine 9；One of gas outlet of the vapour compression machine 9 connects with crystallizing evaporator 7；The crystallization and evaporation
The condensation-water drain of device 7 connects condensate water pot 10 by water-supply-pipe；The bottom of the crystallizing evaporator 7 is provided with concentrated solution discharging
Mouthful；The Crystallization Separation device includes discharging pump 12, crystallizer 13, equipment for separating liquid from solid 14, mother solution pump 15；The discharging pump 12
Charging aperture is connected to the bottom concentrated solution discharging opening of crystallizing evaporator 7 described above by pipeline；The charging of the crystallizer 13
Mouth connects the discharging opening of discharging pump 12 by pipeline；The bottom of the crystallizer 13 is provided with discharge gate, and discharge gate is connected by pipeline
Connect equipment for separating liquid from solid 14；The equipment for separating liquid from solid 14 is provided with leakage fluid dram, and leakage fluid dram connects mother solution pump 15 and enters by pipeline
Material mouth；The discharging opening of mother solution pump 15 connects evaporated crystallization device pump entry pipeline described above by pipeline；It is described solid
The solid that liquid separating apparatus 14 are isolated is reprocessed into subsequent processing, and the liquid isolated pumps into evaporation again by mother solution pump 15
Crystallization apparatus re-evaporation is concentrated；The control device includes control circuit, sensor, by sensor to the number such as liquid level, temperature
According to being monitored, each pump operation is automatically controlled by control circuit, realize full-range automatization.
It is below using the brief of the mixed salt solution energy-conservation evaporation of the setting for ease of more fully understanding this utility model
Technological process：Temperature in material buffer tank 1 is room temperature, and mixed salt solution stock solution Jing feed pump 2 pumps into preheater 3 and preheater 3
Middle condensed water produces heat exchange, and temperature rises after preheater 3；Mixed salt solution after preheating is entered in concentration evaporator 4, and
Circulating and evaporating is realized by circulating pump, material in circulating evaporator with heating steam heat-exchanging, the mixed salt solution for absorbing heat dodges
Inspissation contracts, and isolates indirect steam and concentrated solution, and indirect steam enters vapour compression machine 9, Jing from the steam (vapor) outlet of concentration evaporator 4
After the adiabatic compression of vapour compression machine 9, temperature and pressure gets a promotion；Indirect steam after increasing temperature and pressure as plus vapourss enter
Enter in concentration evaporator 4 and exchanged heat with mixed salt solution, water is condensed into after heat release, and enter condensate water pot 10；Absorb the mixed salt of heat
Solution flash distillation and isolates indirect steam and concentrated solution in concentration evaporator 4, the effect that concentrated solution passes through a transfering material pump 6, enters
In entering evaporated crystallization device, by circulating pump and the further circulating and evaporating reconcentration of crystallizing evaporator 7, concentrated solution is in crystallization and evaporation
With heating steam heat-exchanging in device 7, the flash distillation in the device of crystallizing evaporator 7 after heat is absorbed, isolate indirect steam and concentrated solution, two
Secondary steam enters vapour compression machine 9, Jing after the adiabatic compression of vapour compression machine 9, temperature from the outlet of the lower steam of crystallizing evaporator 7
Get a promotion with pressure；Indirect steam after increasing temperature and pressure as plus vapourss enter the steam inlet of crystallizing evaporator 7 and mixed
Saline solution exchanges heat, and water is condensed into after heat release, and enters condensate water pot 10；Mixed salt solution concentrated solution concentration reaches in crystallizing evaporator 7
Pump in crystallizer 13 to Jing discharging pumps 12 during setting value and crystallize, then isolate through crystallizer 13 and equipment for separating liquid from solid 14
Crystal, the liquid isolated reenters evaporated crystallization device and continues evaporation and concentration by mother solution pump 15；Finally go out from preheater 3
The condensed water for coming can be with reuse or qualified discharge.
The condensate water pot 10 is provided with condensation-water drain, and the water inlet end of a distilled water pump 11 is connected to condensation by water-supply-pipe
The condensation-water drain of water pot 10, the water side of distilled water pump 11 is connected on preheater 3.Due to from the condensate water pot 10 out
Water also has uniform temperature, if being expelled directly out that the waste of thermal source can be caused, the water in condensate water pot 10 is incorporated into into preheater 3
In, can be as the thermal source of preheater 3, so as to reach the purpose for making full use of heat.
Loop is provided between the equipment for separating liquid from solid 14 and crystallizing evaporator 7, loop is provided with mother solution pump 15, solid-liquid point
The mother solution obtained after is sent to circular treatment in crystallizing evaporator 7 through mother solution pump 15.Mother solution after separation is saturation mixed salt
Solution, therefore design after second servo loop, mother solution is entered in evaporated crystallization device by second servo loop, is then filled in evaporative crystallization
Put middle continuation to concentrate, reach Crystallization Separation, so circulation again after predetermined concentration, finally realize returning completely for mixed salt solution
Receive.
The condensation-water drain of the preheater 3 is connected with drain pipe, and the condensed water Jing drain pipies after heat exchange are discharged.
With reference to shown in Fig. 2, the sensor includes the concentration liquid level sensor in concentration evaporator 4, the control
Circuit is connected respectively with concentration liquid level sensor, feed pump 2.The sensor includes the crystal solution in crystallizing evaporator 7
Level sensor, the control circuit is connected respectively with crystallization liquid level sensor, transfering material pump 6.The sensor is included located at crystallization
Steam temperature sensor, fluid temperature sensor in vaporizer 7, the control circuit respectively with steam temperature sensor, liquid
Temperature sensor and discharging pump 12 connect.
For the purpose of utility model is better achieved, here, a kind of energy-conservation evaporation equipment of the mixed salt solution is also provided
Control method, comprise the following steps：
S1. the liquid level of evaporation concentration device concentration evaporator 4 is monitored by concentration liquid level sensor, in concentration evaporator
Control circuit automatically controls unlatching feed pump 2 during 4 low liquid level, feed pump 2 is closed when the liquid level of concentration evaporator 4 is high, it is ensured that dense
The liquid level of contracting vaporizer 4 maintains stable region；
S2. the liquid level of crystallizing evaporator 7 of evaporated crystallization device is monitored by crystallization liquid level sensor, in crystallization and evaporation
During 7 low liquid level of device, transfering material pump 6 is automatically controlled by control circuit and is opened, the liquid automatic stream crystallization and evaporation in concentration evaporator 4
Device 7, material is supplemented in crystallizing evaporator 7, and when the liquid level of crystallizing evaporator 7 is high, control circuit automatically controls transfering material pump 6 and closes
Close, by the keying of transfering material pump 6, make the material liquid level in crystallizing evaporator 7 maintain stable region；
S3. because mixed salt solution is under finite concentration, there is stable temperature difference in its liquid temperature and vapor (steam) temperature, by steam
Temperature sensor, fluid temperature sensor are monitored respectively to indirect steam temperature in crystallizing evaporator 7 and temperature of charge, when
Control circuit monitors that vapour-liquid temperature difference reaches setting value, that is, represent that concentrated solution reaches requirement concentration, then control discharging pump 12 and open
Discharging is opened, when the temperature difference drops to certain setting value, discharging pump 12 is closed and is stopped discharging, so realize self-emptying.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out various changes in the case of without departing from principle of the present utility model and spirit, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. the energy-conservation evaporation equipment of a kind of mixed salt solution, it is characterised in that including preheating device, evaporation concentration device, evaporation knot
Brilliant device, Crystallization Separation device, control device；The preheating device include material buffer tank, preheater, material buffer tank with it is pre-
Hot device is provided with feed pump by one section of conveying pipeline connection on the conveying pipeline；The evaporation concentration device includes first circulation
Pump, concentration evaporator, vapour compression machine and condensate water pot；The port of export pipeline of the circulating pump is connected to the discharging of preheater
End；First circulation pump and concentration evaporator connect and are formed closed-loop path by pipeline, and concentrated solution is by closed-loop path in circulation
Circulate between pump and concentration evaporator；The concentration evaporator bottom concentrated solution discharging opening is by transfering material pump and pipeline and evaporation knot
Brilliant device connection；The steam (vapor) outlet of the concentration evaporator connects the air inlet of vapour compression machine, steam by one section of appendix
The gas outlet of compressor connects with concentration evaporator steam inlet, and the steam condensate (SC) outlet of Jing heat exchange condensations is connected by water-supply-pipe
Connect condensate water pot；The evaporated crystallization device includes second circulation pump, crystallizing evaporator；Crystallizing evaporator bottom charging aperture
Evaporation concentration device is connected to by pipeline and the transfering material pump；Second circulation pump and crystallizing evaporator are connected and shape by pipeline
Into closed-loop path, concentrated solution is circulated by closed-loop path between second circulation pump and crystallizing evaporator；The crystallizing evaporator
Bottom concentrated solution discharging opening is connected by discharging pump and pipeline with Crystallization Separation device；The steam (vapor) outlet of the crystallizing evaporator leads to
Cross the air inlet that one section of appendix connects the vapour compression machine, the gas outlet of the vapour compression machine and the crystallizing evaporator
Steam inlet is connected, and the steam condensate (SC) outlet of Jing heat exchange condensations connects the condensate water pot by water-supply-pipe；The crystallization point
Include crystallizer, equipment for separating liquid from solid from device, crystallizer and equipment for separating liquid from solid are connected to crystallization in turn and steam by discharging pump
Send out the discharge end of device；The control device includes control circuit, sensor, and the data such as liquid level, temperature are carried out by sensor
Monitoring, by control circuit each pump operation is automatically controlled, and realizes full-range automatization.
2. the energy-conservation evaporation equipment of mixed salt solution as claimed in claim 1, it is characterised in that the sensor is included located at dense
Concentration liquid level sensor in contracting vaporizer, the control circuit is connected respectively with concentration liquid level sensor, feed pump.
3. the energy-conservation evaporation equipment of mixed salt solution as claimed in claim 2, it is characterised in that the sensor is included located at knot
Crystallization liquid level sensor in brilliant vaporizer, the control circuit is connected respectively with crystallization liquid level sensor, transfering material pump.
4. the energy-conservation evaporation equipment of mixed salt solution as claimed in claim 3, it is characterised in that the sensor is included located at knot
Steam temperature sensor, fluid temperature sensor in brilliant vaporizer, the control circuit respectively with steam temperature sensor, liquid
Temperature sensor and discharging pump connect.
5. the energy-conservation evaporation equipment of mixed salt solution as claimed in claim 4, it is characterised in that the condensate water pot is provided with condensation
Water out, the condensation-water drain is connected by water-supply-pipe with the water inlet end of distilled water pump, and the water side of the distilled water pump connects
It is connected on preheater.
6. the energy-conservation evaporation equipment of mixed salt solution as claimed in claim 5, it is characterised in that the equipment for separating liquid from solid and knot
Second servo loop is provided between brilliant vaporizer, second servo loop is provided with mother solution pump, and the mother solution obtained after solid-liquid separation is through mother solution
It is pumped into circular treatment in evaporated crystallization device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621080564.1U CN206103380U (en) | 2016-09-26 | 2016-09-26 | Energy -conserving evaporation equipment of mixed salt solution |
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| CN201621080564.1U CN206103380U (en) | 2016-09-26 | 2016-09-26 | Energy -conserving evaporation equipment of mixed salt solution |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106390496A (en) * | 2016-09-26 | 2017-02-15 | 深圳市捷晶能源科技有限公司 | Energy-saving evaporation equipment of mixed salt solution and control method of equipment |
| CN108217793A (en) * | 2018-03-22 | 2018-06-29 | 兰州节能环保工程有限责任公司 | The vaporising device of two kinds of variety classes waste liquids can simultaneously be handled simultaneously with self-cleaning function |
| CN109850965A (en) * | 2018-12-19 | 2019-06-07 | 湖北蔚天环保科技有限公司 | A kind of evaporator system |
| CN114504838A (en) * | 2022-02-08 | 2022-05-17 | 沃力雅环保科技(上海)有限公司 | High-temperature continuous evaporation crystallization equipment and crystallization process thereof |
| CN115253360A (en) * | 2022-06-27 | 2022-11-01 | 国能龙源环保有限公司 | Crystallization, discharging and dissolving control method for ammonia desulphurization concentration tower |
| CN115650340A (en) * | 2022-10-17 | 2023-01-31 | 合肥合意环保科技工程有限公司 | High-salt high-COD wastewater concentration energy-saving device and treatment method |
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2016
- 2016-09-26 CN CN201621080564.1U patent/CN206103380U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106390496A (en) * | 2016-09-26 | 2017-02-15 | 深圳市捷晶能源科技有限公司 | Energy-saving evaporation equipment of mixed salt solution and control method of equipment |
| CN108217793A (en) * | 2018-03-22 | 2018-06-29 | 兰州节能环保工程有限责任公司 | The vaporising device of two kinds of variety classes waste liquids can simultaneously be handled simultaneously with self-cleaning function |
| CN109850965A (en) * | 2018-12-19 | 2019-06-07 | 湖北蔚天环保科技有限公司 | A kind of evaporator system |
| CN114504838A (en) * | 2022-02-08 | 2022-05-17 | 沃力雅环保科技(上海)有限公司 | High-temperature continuous evaporation crystallization equipment and crystallization process thereof |
| CN115253360A (en) * | 2022-06-27 | 2022-11-01 | 国能龙源环保有限公司 | Crystallization, discharging and dissolving control method for ammonia desulphurization concentration tower |
| CN115253360B (en) * | 2022-06-27 | 2023-10-27 | 国能龙源环保有限公司 | Crystallization, discharging and dissolution control method for ammonia desulfurization concentration tower |
| CN115650340A (en) * | 2022-10-17 | 2023-01-31 | 合肥合意环保科技工程有限公司 | High-salt high-COD wastewater concentration energy-saving device and treatment method |
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