CN212199433U - Resourceful treatment device for incineration fly ash of high-chlorine organic hazardous waste - Google Patents
Resourceful treatment device for incineration fly ash of high-chlorine organic hazardous waste Download PDFInfo
- Publication number
- CN212199433U CN212199433U CN202020956069.2U CN202020956069U CN212199433U CN 212199433 U CN212199433 U CN 212199433U CN 202020956069 U CN202020956069 U CN 202020956069U CN 212199433 U CN212199433 U CN 212199433U
- Authority
- CN
- China
- Prior art keywords
- tank
- sodium chloride
- fly ash
- filter
- pump
- 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 discloses a high chlorine organic hazardous waste incineration flying dust resourceful treatment device, including stirring slurrying groove, filter-pressing pump, pressure filter, coarse salt solution groove, coarse salt solution elevator pump, sulfate radical purifying element, electric catalytic oxidation system, ammonia nitrogen desorption groove, filter pump, sand filtration system, active carbon adsorption system, precision filter, cationic resin adsorption system, the dilute solution storage tank of refined sodium chloride, the dilute solution elevator pump of refined sodium chloride, the evaporative concentration system, saturated sodium chloride solution storage tank, saturated sodium chloride solution elevator pump and electrolysis system. By adopting the device and the method, the full resource utilization of sodium chloride in the fly ash can be realized, the liquid caustic soda, the hydrogen and the chlorine generated by electrolysis can be sold as products, and good economic benefit is created.
Description
Technical Field
The utility model relates to a flying dust treatment technical field that waste incineration produced specifically is a high chlorine organic hazardous waste incineration flying dust resourceful treatment device.
Background
With the continuous development of industrial technology, the amount of organic hazardous waste generated is also increasing, at present, the organic hazardous waste is mainly treated by an incineration process, more and more fly ash is generated by incineration, and the effective and reasonable treatment of the fly ash also faces serious challenges.
At present, as described in patent 201910287085.9, most of the fly ash from incineration of hazardous organic wastes is treated in a landfill mode, and the fly ash contains inorganic salts such as sodium chloride and sodium sulfate, and the fly ash from incineration of high-chlorine hazardous organic wastes contains higher contents of inorganic salts such as sodium chloride and sodium sulfate, which increases the difficulty of solidification, increases the cost of production and disposal, and also occupies a large amount of land resources, and meanwhile, landfill causes the risk of secondary pollution.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a high chlorine organic type hazardous waste incineration fly ash resourceful treatment device to realize the recycle of resource, practice thrift the processing cost and reduce secondary pollution's risk.
The utility model discloses an above-mentioned problem is solved to following technical means:
the utility model provides a high chlorine organic dangerous waste incineration fly ash resourceful treatment device, include the stirring slurrying groove that connects gradually according to processing technology, the filter-press pump, the pressure filter, coarse salt solution groove, coarse salt solution elevator pump, the sulfate radical purifying element, the electricity catalytic oxidation system, ammonia nitrogen desorption groove, the filter pump, the sand filtration system, the active carbon adsorption system, the ultrafilter, cationic resin adsorption system, the dilute solution storage tank of refined sodium chloride, the dilute solution elevator pump of refined sodium chloride, the evaporative concentration system, the saturated sodium chloride solution storage tank, saturated sodium chloride solution elevator pump and electrolysis system.
Further, sulfate purification unit purifies the groove including the first groove, first sedimentation tank, second purification groove, second sedimentation tank and the third purification groove that purify that connect gradually.
Further, an intermediate buffer tank is connected between the ammonia nitrogen removal tank and the filter pump.
Further, a washing liquid pumping-back system is arranged between the stirring and slurrying tank and the filter press, and the washing liquid pumping-back system comprises a washing liquid tank and a washing liquid lifting pump.
Further, an evaporation distilled water pumping-back system is arranged between the evaporation concentration system and the filter press.
Further, the electrolysis system is an ionic membrane electrolysis system.
The method for recycling the high-chlorine organic hazardous waste incineration fly ash by adopting the device is characterized by comprising the following steps of:
stirring and slurrying high-chlorine organic hazardous waste incineration fly ash and a washing solution to obtain a slurried solution;
b, pumping the slurried liquid into a filter press, and performing filter pressing and washing to obtain a filter cake, a washing liquid and a crude salt solution;
c, carrying out sulfate radical purification, electrocatalytic oxidation, ammonia nitrogen removal, sand filtration, activated carbon adsorption, precise filtration and cation resin adsorption on the crude salt solution to obtain a refined dilute sodium chloride solution;
d, sending the refined sodium chloride dilute solution to an evaporation concentration system for evaporation concentration to obtain evaporation distilled water and a sodium chloride saturated solution;
and e, electrolyzing the saturated solution of sodium chloride to obtain liquid caustic soda, hydrogen and chlorine products.
Further, the filter cake generated in the step b is sent to a cement plant for comprehensive utilization; the washing liquid generated in the step b is used for realizing recycling in the step a; and (d) recycling the evaporated and distilled water generated in the step d as the washing water of the step b.
Further, the specific process of performing sulfate radical purification on the crude salt solution in the step c is as follows: firstly adding a barium chloride solution to precipitate sulfate ions, then adding a sodium carbonate solution to precipitate excessive barium ions, calcium ions, magnesium ions and other metal ions, finally adding dilute hydrochloric acid to neutralize excessive carbonate ions, and returning the generated slurry to the step a to stir and pulp.
Further, in the step c, ammonia nitrogen removal is performed by oxidizing ammonia nitrogen into nitrogen gas through redox reaction between sodium hypochlorite solution and ammonia nitrogen.
The utility model has the advantages that:
1. the full resource utilization of sodium chloride salt in the high-chlorine organic hazardous waste incineration fly ash is realized, and the liquid caustic soda, the hydrogen and the chlorine are produced by electrolysis and can be sold as products, so that good economic benefit is created.
2. Compared with landfill disposal, the method has the advantages of lower treatment cost and reduced risk of secondary pollution.
Drawings
The invention is further described with reference to the following figures and examples.
FIG. 1 is a schematic view of the overall equipment connection of the present invention;
FIG. 2 is a schematic connection diagram of the front-end equipment of the present invention;
FIG. 3 is a schematic connection diagram of the middle section equipment of the present invention;
fig. 4 is a schematic connection diagram of the back-end device of the present invention.
In the figure: the device comprises a stirring and slurrying tank 1, a filter pressing pump 2, a filter press 3, a washing liquid tank 4, a washing liquid lifting pump 5, a crude salt solution tank 6, a crude salt solution lifting pump 7, a first purification tank 8, a first sedimentation tank 9, a second purification tank 10, a second sedimentation tank 11, a third purification tank 12, an electrocatalytic oxidation system 13, an ammonia nitrogen removal tank 14, an intermediate buffer tank 15, a filter pump 16, a sand filtration system 17, an activated carbon adsorption system 18, a precision filter 19, a cationic resin adsorption system 20, a refined sodium chloride dilute solution storage tank 21, a refined sodium chloride dilute solution lifting pump 22, an evaporation and concentration system 23, a saturated sodium chloride solution storage tank 24, a saturated sodium chloride solution lifting pump 25 and an ionic membrane electrolysis system 26.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-4, the embodiment discloses a resourceful treatment device for incineration fly ash of high-chlorine organic hazardous wastes, which comprises a stirring and slurrying tank 1, a filter press pump 2, a filter press 3, a crude salt solution tank 6, a crude salt solution lift pump 7, a sulfate radical purification unit, an electrocatalytic oxidation system 13, an ammonia nitrogen removal tank 14, a filter pump 16, a sand filtration system 17, an activated carbon adsorption system 18, a precision filter 19, a cationic resin adsorption system 20, a refined sodium chloride dilute solution storage tank 21, a refined sodium chloride dilute solution lift pump 22, an evaporation and concentration system 23, a saturated sodium chloride solution storage tank 24, a saturated sodium chloride solution lift pump 25 and an ionic membrane electrolysis system 26 which are sequentially connected according to a treatment process. The pump in this embodiment functions to provide a pumping force for the flow of the solution.
The sulfate radical purification unit comprises a first purification tank 8, a first sedimentation tank 9, a second purification tank 10, a second sedimentation tank 11 and a third purification tank 12 which are connected in sequence.
An intermediate buffer tank 15 is connected between the ammonia nitrogen removal tank 14 and the filter pump 16 so as to provide buffer action for the solution.
And a washing liquid pumping-back system is arranged between the stirring and slurrying tank 1 and the filter press 3, and comprises a washing liquid tank 4 and a washing liquid lifting pump 5.
An evaporation distilled water pumping-back system is arranged between the evaporation concentration system 23 and the filter press.
The method for recycling the high-chlorine organic hazardous waste incineration fly ash by adopting the device is characterized by comprising the following steps of:
a, stirring and slurrying high-chlorine organic hazardous waste incineration fly ash and a washing solution through a stirring and slurrying tank to obtain slurried solution; generally, the content of sodium chloride in the incineration fly ash of high-chlorine organic hazardous wastes is about 20%;
b, pumping the slurry into a filter press, and performing filter pressing and washing, wherein the washing mode is preferably a rinsing mode, so as to obtain a filter cake, a washing liquid and a crude salt solution; the filter cake mainly contains iron, silicon, calcium and the like, has low chlorine content and is sent to a cement plant for comprehensive utilization; the washing liquid is pumped back by a washing liquid pumping-back system and is used for realizing the recycling of the step a; the crude salt solution is a sodium chloride-enriched salt solution, wherein the concentration of sodium chloride is about 6-7%, and the crude salt solution contains a small amount of sulfate radicals, calcium, magnesium and other metal ions, organic matters, ammonia nitrogen and other impurities;
c, carrying out sulfate radical purification, electrocatalytic oxidation, ammonia nitrogen removal, sand filtration, activated carbon adsorption, precise filtration and cation resin adsorption on the crude salt solution to obtain a refined dilute sodium chloride solution;
the specific process of carrying out sulfate radical purification on the crude salt solution comprises the following steps: firstly adding a barium chloride solution into a first purifying tank to precipitate sulfate ions, then adding a sodium carbonate solution into a second purifying tank to precipitate excessive barium ions, calcium ions, magnesium ions and other metal ions, finally adding dilute hydrochloric acid into a third purifying tank to neutralize excessive carbonate ions, and returning the generated slurry to the step a to be stirred and pulped;
the electrocatalytic oxidation is carried out by an electrocatalytic oxidation system, and the electrocatalytic oxidation mainly removes a very small amount of organic matters in the crude salt solution so as to meet the control requirement of the ion membrane method electrolysis on TOC in the saturated sodium chloride solution;
the ammonia nitrogen removal adopts sodium hypochlorite solution and ammonia nitrogen to generate oxidation reduction reaction, and the ammonia nitrogen is oxidized into nitrogen for removal;
the pore size of the filter element for precise filtration is about 5 microns;
the cation resin is macroporous chelate resin CH-90 which mainly adsorbs and removes trace metal ions such as calcium, magnesium and the like;
d, sending the refined sodium chloride dilute solution to an evaporation concentration system for evaporation concentration to obtain evaporation distilled water and a sodium chloride saturated solution; and (c) pumping the evaporated distilled water back to the step (b) through an evaporated distilled water pumping back system, and recycling the evaporated distilled water as the washing water of the step (b).
And e, electrolyzing the saturated solution of the sodium chloride by an ionic membrane electrolysis system to obtain liquid caustic soda, hydrogen and chlorine products.
By adopting the device and the method of the embodiment, the full resource utilization of sodium chloride in the fly ash can be realized, the liquid caustic soda, the hydrogen and the chlorine generated by electrolysis can be sold as products, and good economic benefit is created.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (6)
1. The utility model provides a high chlorine organic hazardous waste incineration fly ash resourceful treatment device which characterized in that: the system comprises a stirring and slurrying tank, a pressure filtration pump, a pressure filter, a crude salt solution tank, a crude salt solution lift pump, a sulfate radical purification unit, an electrocatalytic oxidation system, an ammonia nitrogen removal tank, a filter pump, a sand filtration system, an activated carbon adsorption system, a precision filter, a cationic resin adsorption system, a refined sodium chloride dilute solution storage tank, a refined sodium chloride dilute solution lift pump, an evaporation concentration system, a saturated sodium chloride solution storage tank, a saturated sodium chloride solution lift pump and an electrolysis system which are sequentially connected according to a treatment process.
2. The recycling treatment apparatus for incineration fly ash of high chlorine organic hazardous waste according to claim 1, characterized in that: sulfate purifies the unit and purifies the groove including the first groove, first sedimentation tank, second purification tank, second sedimentation tank and the third that purify that connect gradually.
3. The recycling treatment device for incineration fly ash of high chlorine organic hazardous waste according to claim 2, characterized in that: an intermediate buffer tank is connected between the ammonia nitrogen removal tank and the filter pump.
4. The resourceful treatment device for incineration fly ash of high-chlorine organic hazardous waste according to any one of claims 1 to 3, characterized in that: and a washing liquid pumping-back system is arranged between the stirring and slurrying tank and the filter press and comprises a washing liquid tank and a washing liquid lifting pump.
5. The recycling treatment apparatus for incineration fly ash of high chlorine organic hazardous waste according to claim 4, characterized in that: an evaporation distilled water pumping-back system is arranged between the evaporation concentration system and the filter press.
6. The recycling treatment apparatus for incineration fly ash of high chlorine organic hazardous waste according to claim 5, characterized in that: the electrolysis system is an ionic membrane electrolysis system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020956069.2U CN212199433U (en) | 2020-05-31 | 2020-05-31 | Resourceful treatment device for incineration fly ash of high-chlorine organic hazardous waste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020956069.2U CN212199433U (en) | 2020-05-31 | 2020-05-31 | Resourceful treatment device for incineration fly ash of high-chlorine organic hazardous waste |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212199433U true CN212199433U (en) | 2020-12-22 |
Family
ID=73812950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020956069.2U Active CN212199433U (en) | 2020-05-31 | 2020-05-31 | Resourceful treatment device for incineration fly ash of high-chlorine organic hazardous waste |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212199433U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485247A (en) * | 2020-05-31 | 2020-08-04 | 湖南申联环保科技有限公司 | Resourceful treatment device and method for high-chlorine organic hazardous waste incineration fly ash |
| CN114147047A (en) * | 2021-08-31 | 2022-03-08 | 江西盖亚环保科技有限公司 | Resource recovery process for ash water washing slag |
-
2020
- 2020-05-31 CN CN202020956069.2U patent/CN212199433U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485247A (en) * | 2020-05-31 | 2020-08-04 | 湖南申联环保科技有限公司 | Resourceful treatment device and method for high-chlorine organic hazardous waste incineration fly ash |
| CN114147047A (en) * | 2021-08-31 | 2022-03-08 | 江西盖亚环保科技有限公司 | Resource recovery process for ash water washing slag |
| CN114147047B (en) * | 2021-08-31 | 2023-08-25 | 江西盖亚环保科技有限公司 | Resource recovery process for fly ash water-washing slag |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Rajoria et al. | Treatment of electroplating industry wastewater: a review on the various techniques | |
| CN111485247A (en) | Resourceful treatment device and method for high-chlorine organic hazardous waste incineration fly ash | |
| US11661356B2 (en) | Method and device for removing chloride ion in desulfurized wastewater by electrochemical coupling | |
| CN108529714B (en) | Photoelectrochemical reaction tank and method for treating hydrogen sulfide waste gas and waste water by using same | |
| CN106587472B (en) | A kind of recycling recoverying and utilizing method of the electroplating wastewater containing palladium | |
| CN212199433U (en) | Resourceful treatment device for incineration fly ash of high-chlorine organic hazardous waste | |
| CN102464440B (en) | Method for carrying out decrement on physicochemical and biochemical mixed sludge | |
| CN110038647B (en) | Method for efficiently regenerating resin by using electrolytic salt solution | |
| CN101172725A (en) | Method for processing waste alkali liquid in butyl octanol production | |
| CN111252963A (en) | Treatment method of high-concentration COD wastewater | |
| CN104005050A (en) | Method for treating and recycling divalent manganese in electrolytic manganese wastewater | |
| CN111470671B (en) | Method for treating arsenic-containing organic wastewater | |
| CN103043834A (en) | Rear earth smelting wastewater treatment process | |
| CN110668614A (en) | Method for treating etching waste liquid by combining electrocatalytic oxidation with electromagnetic composite material | |
| CN210176681U (en) | Landfill leachate nanofiltration concentrated solution treatment system | |
| CN104326611A (en) | Method for processing organic wastewater by electro-fenton | |
| CN111908672A (en) | Method and system for adsorbing, removing and recycling chloride ions in chlorine-containing wastewater | |
| Vasudevan | Can electrochemistry make the worlds water clean?–a systematic and comprehensive overview | |
| CN112777779A (en) | Oily wastewater treatment method | |
| CN106865836B (en) | Garbage osmotic liquid membrane concentrated solution treatment method | |
| CN203269712U (en) | Zero discharge treatment device for heavy metal wastewater | |
| CN211999245U (en) | Arsenic-containing organic wastewater treatment system | |
| CN214115202U (en) | Coal chemical industry waste salt resource utilization pretreatment systems | |
| CN112374666B (en) | Three-dimensional electrolytic sewage treatment method | |
| CN211813948U (en) | Wastewater treatment system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |