CN208182741U - A kind of acid regeneration processing system - Google Patents
A kind of acid regeneration processing system Download PDFInfo
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- CN208182741U CN208182741U CN201820256038.9U CN201820256038U CN208182741U CN 208182741 U CN208182741 U CN 208182741U CN 201820256038 U CN201820256038 U CN 201820256038U CN 208182741 U CN208182741 U CN 208182741U
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Abstract
A kind of acid regeneration processing system, it is related to environment-friendly engineering disposal of three wastes technical field, including neutralizing iron-removing tank, except iron sludge plate-frame filter press, iron cement sedimentation basin, regenerated acid reaction tank and the neutralization pond of the calcium sulfate containing acid, the spent acid storage tank and lime white tank connected by pipeline is respectively equipped with the side of iron-removing tank in, in and the other side of iron-removing tank is equipped with iron cement sedimentation basin, it is equipped with the lower part of iron-removing tank in and removes iron sludge plate-frame filter press, dilute sulfuric acid bucket is equipped in the side of calcium chloride process tank, the calcium chloride process tank, dilute sulfuric acid bucket connects regenerated acid reaction tank by pipeline respectively, sulfuric acid calcium plate and frame filter press is equipped in the side of regenerated acid reaction tank, it is equipped on the top of sulfuric acid calcium plate and frame filter press containing sour calcium sulfate neutralization pond, it is equipped on pipeline between sulfuric acid calcium plate and frame filter press and regenerated acid intermediate box and is returned with calcium chloride The pipeline being connected to tank；The utility model can regenerate eo-acid, and reach harmless treatment.
Description
Technical field
The present invention relates to environment-friendly engineering disposal of three wastes technical fields, more particularly, to a kind of acid regeneration processing system.
Background technique
It is well known, in steel and iron industry and electroplating industry, except stainless steel is using mixed acid such as nitric acid, hydrofluoric acid and sulfuric acid
Outside being cleaned, metal plating piece and ordinary steel mainly use hydrochloric acid substituted sulfuric acid ablution at present, this is because identical
At temperature and concentration, hydrochloric acid will be greater than sulfuric acid to the corrosion rate of iron from far away, and the rust cleaning efficiency of hydrochloric acid is high, iron loss is low, steams
Vapour dosage is few, waste liquid amount is few, in configuration and than sulfuric acid economy, safety.Whether steel and iron industry or electroplating industry discharge
Pickle liquor all has the characteristics that iron concentration is high, chlorine ion concentration is high, corrosivity is high, environmental pollution is high, at present
It is managed by various countries as hazardous waste；Main harm caused by the illegal outlet of pickle liquor shows themselves in that corrosion sewer pipe
With the water conservancy project structures such as armored concrete；Keep crops withered, influences aquatic crops growth；Pickle liquor penetrates into soil, and the time is long
It will cause soil property calcification, destroy soil layer loose condition (of surface), thus influence crop growth；Hinder micro- life in biological wastewater treatment
Object breeding；Fish can be poisoned with poison；People and animals drink the water polluted by this, can cause stomach inflammation, or even burn；It is caused to water body
Pollution, the murder by poisoning to biology, so it is all finally very huge to the injury of human health；According to national environmental protection convention
Fixed, pickle liquor does not allow direct emission；Both at home and abroad to there are many processing methods of pickle liquor, need according to different pickling
The specific feature of waste liquid selects suitable Treatment process in conjunction with the case where pickling enterprise itself, and currently used pickle liquor is controlled
Reason technology has: neutralization precipitation method, evaporation, membrane separation process etc.；The characteristics of existing treatment process: neutralisation is simple
PH value is adjusted, without effective pollution administration source；The disposable input cost of evaporation is high, needs to install evaporator and gas-fired boiler
Furnace, concentrate or crystallized product needs have looked for qualification processed in units, and small neutrality business burden does not rise；The equipment investment of membrane separation process
It is at high cost, and the replacement cycle of film is short, and operating cost is high；Therefore a kind of acid regeneration processing system and its regeneration treatment are proposed
Method becomes the basic demand of those skilled in the art.
Summary of the invention
In order to overcome the shortcomings in the background art, the invention discloses a kind of acid regeneration processing systems.
In order to realize the goal of the invention, the present invention adopts the following technical scheme:
A kind of acid regeneration processing system, including neutralize iron-removing tank, except iron sludge plate-frame filter press, iron cement sedimentation basin, again
Raw acid reaction tank and the neutralization pond of the calcium sulfate containing acid, are respectively equipped with the spent acid storage tank connected by pipeline in the side of iron-removing tank
And lime white tank, diaphragm pump is equipped on pipeline, in and the other side of iron-removing tank is equipped with iron cement sedimentation basin, in and except iron
It is equipped with the pipeline being connected between pond and iron cement sedimentation basin, is equipped with the lower part of iron-removing tank in and removes iron sludge plate-frame filter press, institute
It states except iron sludge plate-frame filter press is connect with iron cement sedimentation basin, calcium chloride process tank by pipeline respectively, in calcium chloride process tank
Side be equipped with dilute sulfuric acid bucket, the calcium chloride process tank, dilute sulfuric acid bucket respectively by pipeline connect regenerated acid reaction tank, again
The side of raw acid reaction tank is equipped with sulfuric acid calcium plate and frame filter press, is equipped on the top of sulfuric acid calcium plate and frame filter press containing sour sulfuric acid
Calcium neutralization pond is equipped with pipeline, in regenerated acid reaction tank and sulphur removal between regenerated acid reaction tank and sulfuric acid calcium plate and frame filter press
Pipeline between sour calcium plate and frame filter press is equipped with the lateral connecting with containing sour calcium sulfate neutralization pond, described containing sour calcium sulfate
Neutralization pond passes through pipeline respectively and connect with lime pond, calcium sulfate collecting box, and the sulfuric acid calcium plate and frame filter press passes through pipeline
It is connect with calcium sulfate collecting box, the sulfuric acid calcium plate and frame filter press is also connect with regenerated acid intermediate box by pipeline, in sulphur removal
Pipeline between sour calcium plate and frame filter press and regenerated acid intermediate box is equipped with the pipeline being connected to calcium chloride reuse tank, the regeneration
Sour intermediate box connect with regeneration acid storage tank by pipeline, calcium chloride reuse tank and between iron-removing tank equipped with the pipe connected
Road.
The acid regeneration processing system is equipped with blender C in lime white tank, is equipped in and in iron-removing tank multiple
Blender B is equipped with blender A in containing sour calcium sulfate neutralization pond.
The acid regeneration processing system is set on except the pipeline between iron sludge plate-frame filter press and iron cement sedimentation basin
There is sludge pump；Diaphragm pump is equipped on pipeline between regenerated acid reaction tank and sulfuric acid calcium plate and frame filter press；In lateral
It is equipped with diaphragm pump.
The acid regeneration processing system, the pipe between calcium chloride process tank, dilute sulfuric acid bucket and regenerated acid reaction tank
Metering pump is equipped on road.
The acid regeneration processing system, on containing the pipeline between sour calcium sulfate neutralization pond and lime pond be equipped with every
Membrane pump, regenerated acid intermediate box and regeneration acid storage tank between pipeline on be equipped with diaphragm pump；It in and is removed in calcium chloride reuse tank
Pipeline between iron pond is equipped with diaphragm pump.
By adopting the above-described technical solution, the invention has the following beneficial effects:
Acid regeneration processing method of the present invention, by by the hydrogen in the waste hydrochloric acid and lime white tank in spent acid storage tank
Calcium oxide is passed through neutralization iron-removing tank by diaphragm pump, and by pH value control between 7-8, starting neutralizes multiple stirrings in iron-removing tank
Machine B is uniformly mixed, and stirring while increases oxygen, and frerrous chloride and calcium hydroxide reaction generate ferrous hydroxide precipitating, remove iron
Sludge plate-frame filter press carries out mud-water separation, and available preferable water quality by displacement reaction step, is separated by solid-liquid separation step B
Harmless treatment is reached with secondary neutralization procedure, present device input cost is low, simple process, can regenerate eo-acid.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
In figure: 1, lime pond；2, blender A；3, containing sour calcium sulfate neutralization pond；4, sulfuric acid calcium plate and frame filter press；5,
Calcium sulfate collecting box；6, acid storage tank is regenerated；7, regenerated acid intermediate box；8, calcium chloride reuse tank；9, dilute sulfuric acid bucket；10, calcium chloride
Process tank；11, iron sludge plate-frame filter press is removed；12, iron cement case；13, iron-removing tank is neutralized；14, blender B；15, spent acid storage tank；
16, lime white tank；17, blender C；18, iron cement sedimentation basin；19, regenerated acid reaction tank.
Specific embodiment
By the following examples can the detailed explanation present invention, the open purpose of the present invention is intended to protect model of the present invention
Enclose all interior technological improvements.
A kind of acid regeneration processing system in conjunction with described in attached drawing 1, including neutralize iron-removing tank 13, remove iron sludge plate compression
Machine 11, iron cement sedimentation basin 18, regenerated acid reaction tank 19 and the neutralization pond of the calcium sulfate containing acid 3, distinguish in the side of iron-removing tank 13
Equipped with the spent acid storage tank 15 and lime white tank 16 connected by pipeline, diaphragm pump is equipped on pipeline, in and iron-removing tank 13
The other side be equipped with iron cement sedimentation basin 18, the pipeline that is connected to is equipped between iron-removing tank 13 and iron cement sedimentation basin 18 in, in
It is equipped with the lower part of iron-removing tank 13 and removes iron sludge plate-frame filter press 11, it is described except iron sludge plate-frame filter press 11 is heavy with iron cement respectively
Shallow lake pond 18, calcium chloride process tank 10 are connected by pipeline, are equipped with dilute sulfuric acid bucket 9, the chlorine in the side of calcium chloride process tank 10
Change calcium process tank 10, dilute sulfuric acid bucket 9 and regenerated acid reaction tank 19 is connected by pipeline respectively, is set in the side of regenerated acid reaction tank 19
There is sulfuric acid calcium plate and frame filter press 4, is equipped on the top of sulfuric acid calcium plate and frame filter press 4 containing sour calcium sulfate neutralization pond 3, is regenerating
Pipeline is equipped between sour reaction tank 19 and sulfuric acid calcium plate and frame filter press 4, in regenerated acid reaction tank 19 and sulfuric acid calcium sheet frame pressure
Pipeline between filter 4 is equipped with the lateral connecting with containing sour calcium sulfate neutralization pond 3, described containing sour calcium sulfate neutralization pond 3
It is connect respectively by pipeline with lime pond 1, calcium sulfate collecting box 5, the sulfuric acid calcium plate and frame filter press 4 passes through pipeline and sulphur
Sour calcium collecting box 5 connects, and the sulfuric acid calcium plate and frame filter press 4 is also connect with regenerated acid intermediate box 7 by pipeline, in sulfuric acid
Pipeline between calcium plate and frame filter press 4 and regenerated acid intermediate box 7 is equipped with the pipeline being connected to calcium chloride reuse tank 8, it is described again
Raw acid intermediate box 7 is connect with regeneration acid storage tank 6 by pipeline, calcium chloride reuse tank 8 and between iron-removing tank 13 equipped with company
The pipeline connect.
The acid regeneration processing system is equipped with blender C17 in lime white tank 16, sets in and in iron-removing tank 13
There are multiple blender B14, is equipped with blender A2 in containing sour calcium sulfate neutralization pond 3.
The acid regeneration processing system, except the pipeline between iron sludge plate-frame filter press 11 and iron cement sedimentation basin 18
It is equipped with sludge pump；Diaphragm pump is equipped on pipeline between regenerated acid reaction tank 19 and sulfuric acid calcium plate and frame filter press 4；Dividing
Branch pipe(tube) is equipped with diaphragm pump.
The acid regeneration processing system, between calcium chloride process tank 10, dilute sulfuric acid bucket 9 and regenerated acid reaction tank 19
Pipeline on be equipped with metering pump.
The acid regeneration processing system is equipped on containing the pipeline between sour calcium sulfate neutralization pond 3 and lime pond 1
Diaphragm pump, regenerated acid intermediate box 7 and regeneration acid storage tank 6 between pipeline on be equipped with diaphragm pump；In calcium chloride reuse tank 8 in
Pipeline between iron-removing tank 13 is equipped with diaphragm pump.
Implement acid regeneration processing system of the present invention, when in use, by the waste hydrochloric acid and stone in spent acid storage tank 15
Calcium hydroxide in grey cream tank 16 is passed through by diaphragm pump neutralizes iron-removing tank 13, and by pH value control between 7-8, starting is neutralized and removed
Multiple blender B14 in iron pond 13 are uniformly mixed, and stirring while increases oxygen, and frerrous chloride and calcium hydroxide reaction generate
Ferrous hydroxide precipitating；After the ferrous hydroxide that will acquire flows into the interior precipitating of iron cement sedimentation basin 18 by pipeline, beaten by diaphragm pump
Enter except iron sludge plate-frame filter press 11 carries out mud-water separation, filtrate is that calcium chloride solution enters calcium chloride process tank 10, sludge into
It is transported outward after entering iron cement case 12 by transport carriage；By dilute sulphur in the calcium chloride solution and dilute sulfuric acid bucket 9 in calcium chloride process tank 10
Acid is pumped into regenerated acid reaction tank 19 by the metering on pipeline, is stirred evenly by the blender in regenerated acid reaction tank 19, raw
At the calcium sulfate precipitation and hydrochloric acid of white；The calcium sulfate precipitation and hydrochloric acid of generation are pumped into sulfuric acid calcium plate and frame filter press by diaphragm
In 4, filtrate is dilute hydrochloric acid, flows into regenerated acid intermediate box 7 and is squeezed into when reaching the high liquid level of regenerated acid intermediate box 7 by diaphragm pump
Acid storage tank 6 is regenerated, the sludge of generation is discharged into containing sour calcium sulfate neutralization pond 3；The limewash in lime pond 1 is beaten by diaphragm pump
Enter containing in sour calcium sulfate neutralization pond 3, the sludge with generation guarantees PH by neutralizing containing the blender in sour calcium sulfate neutralization pond 3
Value squeezes into the mixing sludge after neutralization in sulfuric acid calcium plate and frame filter press 4 between 6.5-8.5, then by diaphragm pump, sludge pressure
At calcium sulfate collecting box 5 is transported to outside filter cake, filtrate flows into calcium chloride reuse tank 8, is squeezed into and is neutralized in iron-removing tank 13 by diaphragm pump 8,
Continue cycling through processing.
Part not in the detailed description of the invention is the prior art.
The embodiment selected herein to disclose goal of the invention of the invention, is presently considered to be suitable, still,
It is to be understood that the present invention is intended to include all changes and improvement that all belong to the embodiment in this design and invention scope.
Claims (5)
1. a kind of acid regeneration processing system, including neutralize iron-removing tank, except iron sludge plate-frame filter press, iron cement sedimentation basin, regeneration
Sour reaction tank and containing sour calcium sulfate neutralization pond is connected it is characterized in that: being respectively equipped in the side of iron-removing tank by pipeline
Spent acid storage tank and lime white tank, are equipped with diaphragm pump on pipeline, and in and the other side of iron-removing tank is equipped with iron cement sedimentation basin,
The pipeline for being equipped with and being connected between iron-removing tank and iron cement sedimentation basin is neutralized, is equipped with the lower part of iron-removing tank in and removes iron sludge sheet frame pressure
Filter, it is described except iron sludge plate-frame filter press is connect with iron cement sedimentation basin, calcium chloride process tank by pipeline respectively, in calcium chloride
The side of process tank is equipped with dilute sulfuric acid bucket, and the calcium chloride process tank, dilute sulfuric acid bucket connect regenerated acid reaction by pipeline respectively
Pond is equipped with sulfuric acid calcium plate and frame filter press in the side of regenerated acid reaction tank, is equipped on the top of sulfuric acid calcium plate and frame filter press
Containing sour calcium sulfate neutralization pond, it is equipped with pipeline between regenerated acid reaction tank and sulfuric acid calcium plate and frame filter press, is reacted in regenerated acid
Pipeline between pond and sulfuric acid calcium plate and frame filter press is equipped with the lateral connecting with containing sour calcium sulfate neutralization pond, described to contain
Sour calcium sulfate neutralization pond passes through pipeline respectively and connect with lime pond, calcium sulfate collecting box, the sulfuric acid calcium plate and frame filter press
It is connect by pipeline with calcium sulfate collecting box, the sulfuric acid calcium plate and frame filter press is also connected with regenerated acid intermediate box by pipeline
It connects, the pipe being connected to calcium chloride reuse tank is equipped on the pipeline between sulfuric acid calcium plate and frame filter press and regenerated acid intermediate box
Road, the regenerated acid intermediate box are connect with regeneration acid storage tank by pipeline, calcium chloride reuse tank and in set between iron-removing tank
There is the pipeline of connection.
2. acid regeneration processing system according to claim 1, it is characterized in that: blender C is equipped in lime white tank,
It neutralizes and is equipped with multiple blender B in iron-removing tank, be equipped with blender A in containing sour calcium sulfate neutralization pond.
3. acid regeneration processing system according to claim 1, it is characterized in that: removing iron sludge plate-frame filter press and iron cement
Pipeline between sedimentation basin is equipped with sludge pump；It is set on pipeline between regenerated acid reaction tank and sulfuric acid calcium plate and frame filter press
There is diaphragm pump；Diaphragm pump is equipped on lateral.
4. acid regeneration processing system according to claim 1, it is characterized in that: calcium chloride process tank, dilute sulfuric acid bucket with
Metering pump is equipped on pipeline between regenerated acid reaction tank.
5. acid regeneration processing system according to claim 1, it is characterized in that: containing sour calcium sulfate neutralization pond and limewash
Pipeline between pond is equipped with diaphragm pump, is equipped with diaphragm pump on the pipeline between regenerated acid intermediate box and regeneration acid storage tank；?
Calcium chloride reuse tank and the pipeline neutralized between iron-removing tank are equipped with diaphragm pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820256038.9U CN208182741U (en) | 2018-02-13 | 2018-02-13 | A kind of acid regeneration processing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820256038.9U CN208182741U (en) | 2018-02-13 | 2018-02-13 | A kind of acid regeneration processing system |
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| Publication Number | Publication Date |
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| CN208182741U true CN208182741U (en) | 2018-12-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108275802A (en) * | 2018-02-13 | 2018-07-13 | 洛阳鑫益达工业设备有限公司 | A kind of acid regeneration processing system and its regeneration treating method |
| CN110371929A (en) * | 2019-07-23 | 2019-10-25 | 马鞍山钢铁股份有限公司 | A kind of acid regeneration preprocess method and system |
-
2018
- 2018-02-13 CN CN201820256038.9U patent/CN208182741U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108275802A (en) * | 2018-02-13 | 2018-07-13 | 洛阳鑫益达工业设备有限公司 | A kind of acid regeneration processing system and its regeneration treating method |
| CN110371929A (en) * | 2019-07-23 | 2019-10-25 | 马鞍山钢铁股份有限公司 | A kind of acid regeneration preprocess method and system |
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