CN207641007U - Potassium permanganate is electrolysed feed liquid evaporation concentration system - Google Patents

Potassium permanganate is electrolysed feed liquid evaporation concentration system Download PDF

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Publication number
CN207641007U
CN207641007U CN201721629866.4U CN201721629866U CN207641007U CN 207641007 U CN207641007 U CN 207641007U CN 201721629866 U CN201721629866 U CN 201721629866U CN 207641007 U CN207641007 U CN 207641007U
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outlet
heat exchanger
feed liquid
pipe
steam
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CN201721629866.4U
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Inventor
李守昌
陈少全
张仁义
张忠
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Chongqing Changyuan Chemical Group Co Ltd
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Chongqing Changyuan Chemical Group Co Ltd
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Abstract

The utility model discloses a kind of potassium permanganate to be electrolysed feed liquid evaporation concentration system, including:Head tank;Pipe heat exchanger;The lower part of Falling film heat transfer device, Falling film heat transfer device is equipped with falling film separator;Forced circulation heat exchanger;Crystal separator;MVR compressibilities, MVR compressibilities include aeration tower and fixed gas pipe, it is connected with the first centrifugal compressor in the gaseous state outlet of aeration tower, the second centrifugal compressor is connected on the steam (vapor) outlet of first centrifugal compressor, it is connected with third centrifugal compressor on the steam (vapor) outlet of second centrifugal compressor, and is also connected with equipped with fresh steam pipe on the steam (vapor) outlet of the second centrifugal compressor;The steam inlet of Falling film heat transfer device is connected with the steam (vapor) outlet of the second centrifugal compressor, the steam inlet of forced circulation heat exchanger is connected with the steam (vapor) outlet of third centrifugal compressor, and the fixed gas outlet of falling film separator and the fixed gas outlet of forced circulation heat exchanger are connected with fixed gas pipe;Distilled water system.

Description

Potassium permanganate is electrolysed feed liquid evaporation concentration system
Technical field
The utility model is related to a kind of evaporation concentration systems, and being specifically electrolysed feed liquid for a kind of potassium permanganate is concentrated by evaporation system System.
Background technology
Since potassium permanganate produces inside electrolysis stepmother's liquid cooling fluid containing potassium hydroxide, potassium carbonate, potassium permanganate, mangaic acid The Multiple components such as potassium, potassium chloride, potassium sulfate, component is more complicated, and disproportionated reaction occurs in evaporation process:4KOH+ 4KMnO4=4K2MnO4+2H2O+O2, a large amount of fixed gas is generated in evaporation process, seriously affects heat transfer and mass transfer.Meanwhile greatly The fixed gas of amount generates a large amount of steam films, and feed liquid is slightly excessive in the process of running can all have race material accident.In addition, evaporating It reacts in journey:3K2MnO4+2H2O=2KMnO4+4KOH+MnO2, the manganese dioxide of generation can block oven heats pipe. It will produce a large amount of potassium manganate and potassium carbonate crystal in evaporating concentration process, be also unfavorable for pump and convey material from an evaporator To another evaporator.The trial of domestic potassium permanganate manufacturing enterprise is with multiple-effect evaporation all without success or long-term operation, mesh Potassium permanganate producer of the preceding country is essentially all to evaporate electrolysis mother liquor with single effect evaporator to recycle lye.
Invention content
In view of this, the purpose of this utility model is to provide a kind of potassium permanganate to be electrolysed feed liquid evaporation concentration system, no It only disclosure satisfy that requirement, and steam consumption can be effectively reduced.
In order to achieve the above objectives, the utility model provides the following technical solutions:
A kind of potassium permanganate electrolysis feed liquid evaporation concentration system, including:
Head tank, the feed liquid for storing concentration to be evaporated;
Pipe heat exchanger, the liquor inlet of the pipe heat exchanger are connected with the material liquid outlet of the head tank, and described Raw material is equipped between pipe heat exchanger and the head tank to pump;
The liquor inlet of Falling film heat transfer device, the Falling film heat transfer device is connected with the material liquid outlet of the pipe heat exchanger, institute The lower part for stating Falling film heat transfer device is equipped with for carrying out gas-liquid separation to being concentrated by evaporation treated feed liquid through the Falling film heat transfer device The falling film separator of processing;
Forced circulation heat exchanger, the liquid outlet of the liquor inlet and the falling film separator of the forced circulation heat exchanger It is connected, for carrying out heating treatment to feed liquid;
Crystal separator;The material liquid outlet phase of the feed liquid port of the crystal separator and the forced circulation heat exchanger Even, and for carrying out flash concentration processing to feed liquid;
MVR compressibilities, the MVR compressibilities include aeration tower and fixed gas pipe, the gaseous state of the falling film separator The outlet of the gaseous state of outlet and the crystal separator is connected with the steam inlet of the aeration tower respectively, the gaseous state of the aeration tower It is connected with the first centrifugal compressor in outlet, the second centrifugation pressure is connected on the steam (vapor) outlet of first centrifugal compressor Contracting machine is connected with third centrifugal compressor, and second centrifugal compressed on the steam (vapor) outlet of second centrifugal compressor It is also connected on the steam (vapor) outlet of machine equipped with fresh steam pipe;The steam inlet of the Falling film heat transfer device and second centrifugal compressor Steam (vapor) outlet be connected, the steam (vapor) outlet phase of the steam inlet of the forced circulation heat exchanger and the third centrifugal compressor Even, the fixed gas of the outlet of the fixed gas of the falling film separator and the forced circulation heat exchanger export with the fixed gas pipe It is connected;
Distilled water system, the distilled water system include distillation water pot, it is described distillation water pot distillation water inlet with it is described The distilled water outlet of forced circulation heat exchanger is connected, the distillation of the distillation water inlet of the pipe heat exchanger and the distillation water pot Water out is connected, and distillation water discharge pipe is connected on the distilled water outlet of the pipe heat exchanger.
Further, the distilled water system further includes hydrops tank, distillation water inlet and the distilled water of the hydrops tank The distilled water outlet of tank is connected, and distillation water circulating pipe is equipped between the hydrops tank and second centrifugal compressor.
Further, the forced circulation heat exchanger is set as two, and respectively the first forced circulation heat exchanger and second Forced circulation heat exchanger, the feed liquid port of the first forced circulation heat exchanger and the liquid outlet phase of the falling film separator Even, material liquid outlet be connected with the feed liquid port of the crystal separator, the feed liquid port of the second forced circulation heat exchanger and The feed liquid circulation of the crystal separator exports connected, material liquid outlet and the first forced circulation heat exchanger feed liquid port phase Even, it and is set between the material liquid outlet of the second forced circulation heat exchanger and the feed liquid port of the first forced circulation heat exchanger There is forced circulation pump.
Further, between the liquid outlet of the falling film separator and the feed liquid port of the first forced circulation heat exchanger Equipped with transfering material pump.
Further, the concentrated solution outlet of the crystal separator is equipped with concentrate discharge pipe, the concentrate discharge pipe It is equipped with discharging pump.
Further, the falling film separator is exported equipped with feed liquid circulation, and the Falling film heat transfer device is equipped with feed liquid circulation Entrance is equipped with falling liquid film feed liquid circulation pipeline, the falling liquid film feed liquid between the feed liquid circulation outlet and feed liquid circulation outlet Circulating line is equipped with falling liquid film circulating pump.
Further, the aeration tower is equipped with cleaning solution circulation pipe, and the cleaning solution circulation pipe is equipped with cleaning circulation pump.
Further, the fixed gas pipe is equipped with fixed gas plate heat exchanger, and the fixed gas plate heat exchanger does not coagulate Gas outlet is equipped with fixed gas discharge pipe, and the fixed gas discharge pipe is equipped with vacuum pump;On the fixed gas plate heat exchanger It is also connected with and is equipped with cooling water inlet pipe and cooling water outlet pipe.
Further, the gaseous state outlet of the falling film separator and the gaseous state outlet of the crystal separator are equipped with foam removal Device.
The beneficial effects of the utility model are:
The technological process that feed liquid evaporation concentration system is electrolysed using the potassium permanganate of the utility model is as follows:
1, it feeds:Pending feed liquid comes out from original fluid container, pipe heat exchanger is squeezed by feed pump, in pipe heat exchanger Interior, feed liquid carries out heat exchange with steam condensate (SC), is pumped into falling film evaporator by feed pump and is evaporated concentration;
2, in falling film evaporator tubulation, from top to down, by thermal evaporation, concentrate falls to falling film separator to material, according to It is secondary that higher concentration is reached by rear material, it is delivered in forced circulation heat exchanger by transfering material pump and continues evaporating, concentrating and crystallizing;
3, material is entering forced circulation heat exchanger increasing temperature and pressure, and flash concentration is then carried out in crystal separator, dense Contracting liquid and steam carry out vapor-liquid separation in crystal separator;Concentrate after gas-liquid separation, which is forced circulating pump, to be squeezed into pressure and follows Ring heat exchanger, concentrate continue to heat up in forced-circulation evaporator, enter separator afterwards, are flashed in separator Concentration so recycles, system is pumped out after reaching discharge concentration;
4, the 85 DEG C of steam come out from separator, into MVR compressibilities.Steam is first by the first centrifugal compressor and After the compression of two centrifugal compressors, temperature can be increased to 103 DEG C or so, and compressed vapor portion squeezes into Falling film heat transfer device heating object Material, partly continues to compress, temperature can be increased to 111 DEG C or so, then squeeze into forced circulation again and change into third centrifugal compressor Hot device heated material.During heated material, steam that this portion temperature is about 107 DEG C is condensed into water and flow to distillation water pot simultaneously Tubular type formula heat exchanger is pumped by distilled water pump to exchange heat with material liquid, temperature is down to 35 DEG C or so discharge systems;Object after preheated Material enters after Falling film heat transfer device and forced circulation heat exchanger and compressed steam carries out heat exchange evaporation, and whole system reaches heat Balance.
The potassium permanganate of the utility model is electrolysed feed liquid evaporation concentration system, has the following advantages:
1, low energy consumption:It is combined using the evaporation concentration equipment of Falling film heat transfer device and forced circulation heat exchanger, and uses three Centrifugal compressor provides 26 DEG C of temperature difference and can meet requirement and compared with conventional evaporator, greatly reduces the energy of system Consumption;Also, the concentration for the concentrate that crystal separator is discharged can directly be improved to 50-52% using MVR systems, it then can be with Crystallization is precipitated in the cooling equipment cooling for being directly sent to cooling travelling expenses, reduces steam consumption;
2, it prevents from running and expect:By being arranged in the gaseous state outlet of the outlet of the gaseous state of falling film separator and the crystal separator The phenomenon that demister, guarantee effectively prevents foam entrainment feed liquid, while being greatly reduced salt in the condensed water evaporated The amount divided, to extend the service life of equipment, it is ensured that equipment normal operation;
3, the outstanding role of aeration tower:In the evaporation of saline solns, since solution is easier to form fine foam, to shadow The even running for ringing vapour compression machine, simultaneously because the bumping situation that may be will produce;By being set on the second centrifugal compressor Distillation water circulating pipe is set, thoroughly gas-liquid separation is carried out to entering the steam in the second centrifugal compressor, to effectively It protects the steady and distilled water of centrifugal compressor high-speed cruising to clean, can accomplish the abundant reuse of distilled water.
Description of the drawings
In order to keep the purpose of this utility model, technical solution and advantageous effect clearer, the utility model provides as follows Attached drawing illustrates:
Fig. 1 is the structural schematic diagram that the utility model potassium permanganate is electrolysed feed liquid evaporation concentration system embodiment.
Specific implementation mode
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art The utility model can be better understood from and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
As shown in Figure 1, being electrolysed the structural schematic diagram of feed liquid evaporation concentration system embodiment for the utility model potassium permanganate. A kind of potassium permanganate of the present embodiment is electrolysed feed liquid evaporation concentration system, including:
Head tank 1, the feed liquid for storing concentration to be evaporated, head tank 1 are equipped with material feeding tube.
The liquor inlet of pipe heat exchanger 2, pipe heat exchanger 2 is connected with the material liquid outlet of head tank 1, and pipe heat exchanger It is equipped with raw material between 2 and head tank 1 and pumps 3.
The liquor inlet of Falling film heat transfer device 4, Falling film heat transfer device 4 is connected with the material liquid outlet of pipe heat exchanger 2, Falling film heat transfer The lower part of device 4 is equipped with to be detached for carrying out the falling liquid film of gas-liquid separation processing to being concentrated by evaporation treated feed liquid through Falling film heat transfer device Device 5.The falling film separator 5 of the present embodiment is exported equipped with feed liquid circulation, and Falling film heat transfer device 4 is equipped with feed liquid circulation entrance, material It is equipped with falling liquid film feed liquid circulation pipeline between liquid loop exit and feed liquid circulation outlet, falling liquid film feed liquid circulation pipeline is followed equipped with falling liquid film Ring pump 12.
The liquor inlet of forced circulation heat exchanger, forced circulation heat exchanger is connected with the liquid outlet of falling film separator 5, uses In to feed liquid progress heating treatment.
Crystal separator 6;The feed liquid port of crystal separator 6 is connected with the material liquid outlet of forced circulation heat exchanger, is used in combination In to feed liquid progress flash concentration processing.
The forced circulation heat exchanger of the present embodiment is set as two, and respectively the first forced circulation heat exchanger 7 and second Forced circulation heat exchanger 8, the feed liquid port of the first forced circulation heat exchanger 7 is connected with the liquid outlet of falling film separator 5, feed liquid Outlet is connected with the feed liquid port of crystal separator 6, feed liquid port and the crystal separator 6 of the second forced circulation heat exchanger 8 Feed liquid circulation outlet is connected, material liquid outlet is connected with the feed liquid port of the first forced circulation heat exchanger 7, and the second forced circulation is changed Forced circulation pump 9 is equipped between the material liquid outlet of hot device 8 and the feed liquid port of the first forced circulation heat exchanger 7.The present embodiment Transfering material pump 10 is equipped between the liquid outlet of falling film separator 5 and the feed liquid port of the first forced circulation heat exchanger 7.The present embodiment Crystal separator 6 concentrated solution outlet be equipped with concentrate discharge pipe, concentrate discharge pipe be equipped with discharging pump 11.
MVR compressibilities, MVR compressibilities include aeration tower 13 and fixed gas pipe 17, the gaseous state outlet of falling film separator 5 It is connected respectively with the steam inlet of aeration tower 13 with the outlet of the gaseous state of crystal separator 6, is connected in the gaseous state outlet of aeration tower 13 Equipped with the first centrifugal compressor 14, the second centrifugal compressor 15 is connected on the steam (vapor) outlet of the first centrifugal compressor 14, the Third centrifugal compressor 16 is connected on the steam (vapor) outlet of two centrifugal compressors 15, and the steam of the second centrifugal compressor 15 goes out It is also connected with equipped with fresh steam pipe 17 on mouthful;The steam (vapor) outlet phase of the steam inlet of Falling film heat transfer device 4 and the second centrifugal compressor 15 Even, the steam inlet of forced circulation heat exchanger is connected with the steam (vapor) outlet of third centrifugal compressor 16, and falling film separator 5 is not coagulated Gas exports and the outlet of the fixed gas of forced circulation heat exchanger is connected with fixed gas pipe 17;First forced circulation of the present embodiment is changed The steam inlet of hot device 7 and the second forced circulation heat exchanger 8 is connected with the steam (vapor) outlet of third centrifugal compressor 16, the last the first The fixed gas outlet of 7 and second forced circulation heat exchanger 8 of circulation heat exchanger processed is connected with fixed gas pipe 17.The present embodiment is washed Gas tower 13 is equipped with cleaning solution circulation pipe, and cleaning solution circulation pipe is equipped with cleaning circulation pump 18.The fixed gas pipe 17 of the present embodiment It is equipped with fixed gas plate heat exchanger 19, the fixed gas outlet of fixed gas plate heat exchanger is equipped with fixed gas discharge pipe, does not coagulate Gas discharge pipe is equipped with vacuum pump 20;It is also connected on fixed gas plate heat exchanger 19 equipped with cooling water inlet pipe and cooling water water outlet Pipe.
Distilled water system, distilled water system include distillation water pot 24, distill the distillation water inlet and forced circulation of water pot 24 The distilled water outlet of heat exchanger is connected, and the distillation water inlet of pipe heat exchanger 2 is connected with the distilled water outlet of distillation water pot 24, and Distillation water discharge pipe is connected on the distilled water outlet of pipe heat exchanger 2.The distilled water system of the present embodiment further includes hydrops The distillation water inlet of tank 21, hydrops tank 21 is connected with the distilled water outlet of distillation water pot 24, and the centrifugation pressure of hydrops tank 21 and second Distillation water circulating pipe is equipped between contracting machine 15.Distilled water is equipped between the distillation water pot 24 and pipe heat exchanger 2 of the present embodiment It is equipped with hydrops between pump 22 and hydrops tank 21 and pumps 23.
The gaseous state outlet of the falling film separator 5 of the present embodiment and the gaseous state outlet of crystal separator 6 are equipped with demister.
The potassium permanganate of the present embodiment is electrolysed feed liquid evaporation concentration system, has the following advantages:
1, low energy consumption:It is combined using the evaporation concentration equipment of Falling film heat transfer device and forced circulation heat exchanger, and uses three Centrifugal compressor provides 26 DEG C of temperature difference and can meet requirement and compared with conventional evaporator, greatly reduces the energy of system Consumption;Also, the concentration for the concentrate that crystal separator is discharged can directly be improved to 50-52% using MVR systems, it then can be with Crystallization is precipitated in the cooling equipment cooling for being directly sent to cooling travelling expenses, reduces steam consumption;
2, it prevents from running and expect:By being arranged in the gaseous state outlet of the outlet of the gaseous state of falling film separator and the crystal separator The phenomenon that demister, guarantee effectively prevents foam entrainment feed liquid, while being greatly reduced salt in the condensed water evaporated The amount divided, to extend the service life of equipment, it is ensured that equipment normal operation;
3, the outstanding role of aeration tower:In the evaporation of saline solns, since solution is easier to form fine foam, to shadow The even running for ringing vapour compression machine, simultaneously because the bumping situation that may be will produce;By being set on the second centrifugal compressor Distillation water circulating pipe is set, thoroughly gas-liquid separation is carried out to entering the steam in the second centrifugal compressor, to effectively It protects the steady and distilled water of centrifugal compressor high-speed cruising to clean, can accomplish the abundant reuse of distilled water.
Certainly, the potassium permanganate electrolysis feed liquid evaporation concentration system of the present embodiment can also use full automatic working to control, Adjusting by frequency converter to motor rotary speed, the control to valve, flowmeter, temperature, pressure and liquid level, to reach automatic steaming The operations such as hair, cleaning, shutdown.Automatic alarm, automatic protective system are without damage, keep system dynamic equilibrium, if somewhere failure, System meeting automatic alarm, and show alert locations, facilitate detection to safeguard.
Embodiment described above is only the preferred embodiment lifted to absolutely prove the utility model, the utility model Protection domain it is without being limited thereto.Those skilled in the art on the basis of the utility model made by equivalent substitute or change It changes, both is within the protection scope of the present invention.The scope of protection of the utility model is subject to claims.

Claims (9)

1. a kind of potassium permanganate is electrolysed feed liquid evaporation concentration system, it is characterised in that:Including:
Head tank, the feed liquid for storing concentration to be evaporated;
Pipe heat exchanger, the liquor inlet of the pipe heat exchanger are connected with the material liquid outlet of the head tank, and the tubular type Raw material is equipped between heat exchanger and the head tank to pump;
The liquor inlet of Falling film heat transfer device, the Falling film heat transfer device is connected with the material liquid outlet of the pipe heat exchanger, the drop The lower part of film heat exchanger is equipped with for carrying out gas-liquid separation processing to being concentrated by evaporation treated feed liquid through the Falling film heat transfer device Falling film separator;
Forced circulation heat exchanger, the liquor inlet of the forced circulation heat exchanger and the liquid outlet phase of the falling film separator Even, for carrying out heating treatment to feed liquid;
Crystal separator;The feed liquid port of the crystal separator is connected with the material liquid outlet of the forced circulation heat exchanger, and For carrying out flash concentration processing to feed liquid;
MVR compressibilities, the MVR compressibilities include aeration tower and fixed gas pipe, the gaseous state outlet of the falling film separator It is connected respectively with the steam inlet of the aeration tower with the outlet of the gaseous state of the crystal separator, the gaseous state outlet of the aeration tower On be connected with the first centrifugal compressor, be connected with the second centrifugal compressed on the steam (vapor) outlet of first centrifugal compressor Machine is connected with third centrifugal compressor, and second centrifugal compressor on the steam (vapor) outlet of second centrifugal compressor Steam (vapor) outlet on be also connected with equipped with fresh steam pipe;The steam inlet of the Falling film heat transfer device and second centrifugal compressor Steam (vapor) outlet is connected, and the steam inlet of the forced circulation heat exchanger is connected with the steam (vapor) outlet of the third centrifugal compressor, The falling film separator fixed gas outlet and the forced circulation heat exchanger fixed gas export with the fixed gas pipe phase Even;
Distilled water system, the distilled water system include distillation water pot, the distillation water inlet of the distillation water pot and the pressure The distilled water outlet of circulation heat exchanger is connected, and the distillation water inlet of the pipe heat exchanger and the distilled water of the distillation water pot go out Mouth is connected, and distillation water discharge pipe is connected on the distilled water outlet of the pipe heat exchanger.
2. potassium permanganate according to claim 1 is electrolysed feed liquid evaporation concentration system, it is characterised in that:The distillation water system System further includes hydrops tank, and the distillation water inlet of the hydrops tank is connected with the distilled water outlet of the distillation water pot, and the product Distillation water circulating pipe is equipped between flow container and second centrifugal compressor.
3. potassium permanganate according to claim 1 is electrolysed feed liquid evaporation concentration system, it is characterised in that:The forced circulation Heat exchanger is set as two, and respectively the first forced circulation heat exchanger and the second forced circulation heat exchanger, and described first forces The feed liquid port of circulation heat exchanger is connected with the liquid outlet of the falling film separator, material liquid outlet and the crystal separator Feed liquid port is connected, and the feed liquid port of the second forced circulation heat exchanger exports phase with the feed liquid circulation of the crystal separator Even, material liquid outlet is connected with the feed liquid port of the first forced circulation heat exchanger, and the second forced circulation heat exchanger Forced circulation pump is equipped between material liquid outlet and the feed liquid port of the first forced circulation heat exchanger.
4. potassium permanganate according to claim 3 is electrolysed feed liquid evaporation concentration system, it is characterised in that:The falling liquid film separation Transfering material pump is equipped between the liquid outlet of device and the feed liquid port of the first forced circulation heat exchanger.
5. potassium permanganate according to claim 3 is electrolysed feed liquid evaporation concentration system, it is characterised in that:The Crystallization Separation The concentrated solution outlet of device is equipped with concentrate discharge pipe, and the concentrate discharge pipe is equipped with discharging pump.
6. potassium permanganate according to claim 1 is electrolysed feed liquid evaporation concentration system, it is characterised in that:The falling liquid film separation Device is exported equipped with feed liquid circulation, and the Falling film heat transfer device is equipped with feed liquid circulation entrance, feed liquid circulation outlet with it is described Falling liquid film feed liquid circulation pipeline is equipped between feed liquid circulation outlet, the falling liquid film feed liquid circulation pipeline is equipped with falling liquid film circulating pump.
7. potassium permanganate according to claim 1 is electrolysed feed liquid evaporation concentration system, it is characterised in that:On the aeration tower Equipped with cleaning solution circulation pipe, the cleaning solution circulation pipe is equipped with cleaning circulation pump.
8. potassium permanganate according to claim 1 is electrolysed feed liquid evaporation concentration system, it is characterised in that:The fixed gas pipe It is equipped with fixed gas plate heat exchanger, the fixed gas outlet of the fixed gas plate heat exchanger is equipped with fixed gas discharge pipe, institute It states fixed gas discharge pipe and is equipped with vacuum pump;It is also connected with equipped with cooling water inlet pipe and cooling on the fixed gas plate heat exchanger Water outlet pipe.
9. potassium permanganate according to claim 1 is electrolysed feed liquid evaporation concentration system, it is characterised in that:The falling liquid film separation The gaseous state outlet of device and the gaseous state outlet of the crystal separator are equipped with demister.
CN201721629866.4U 2017-11-29 2017-11-29 Potassium permanganate is electrolysed feed liquid evaporation concentration system Active CN207641007U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107744669A (en) * 2017-11-29 2018-03-02 重庆昌元化工集团有限公司 Potassium permanganate is electrolysed feed liquid evaporation concentration system
CN109095535A (en) * 2018-10-16 2018-12-28 江苏必领能源科技有限公司 Sewage evaporation enrichment facility and its operating method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107744669A (en) * 2017-11-29 2018-03-02 重庆昌元化工集团有限公司 Potassium permanganate is electrolysed feed liquid evaporation concentration system
CN109095535A (en) * 2018-10-16 2018-12-28 江苏必领能源科技有限公司 Sewage evaporation enrichment facility and its operating method
CN109095535B (en) * 2018-10-16 2024-03-19 江苏必领能源科技有限公司 Sewage evaporation concentration device and operation method thereof

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Potassium permanganate electrolyte evaporation concentration system

Effective date of registration: 20200115

Granted publication date: 20180724

Pledgee: Chongqing rural commercial bank, Limited by Share Ltd, Rongchang branch

Pledgor: Chongqing Changyuan Chemical Group Co., Ltd.

Registration number: Y2020500000001