CN205061821U - P hydroxybenzoic acid waste water processing system - Google Patents
P hydroxybenzoic acid waste water processing system Download PDFInfo
- Publication number
- CN205061821U CN205061821U CN201520801129.2U CN201520801129U CN205061821U CN 205061821 U CN205061821 U CN 205061821U CN 201520801129 U CN201520801129 U CN 201520801129U CN 205061821 U CN205061821 U CN 205061821U
- Authority
- CN
- China
- Prior art keywords
- pond
- phenol
- hydroxybenzoic acid
- tank
- pipeline
- 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
Landscapes
- Water Treatment By Sorption (AREA)
Abstract
The utility model discloses a P hydroxybenzoic acid waste water processing system, including the triple -effect evaporator and the wastewater collection pond of p hydroxybenzoic acid production line, the wastewater collection pond includes that independent setting's mother liquor pond and washing pond, mother liquor pond link to each other with mother liquor water treatment unit, and the washing pond links to each other with washing water treatment unit, the biochemical treatment unit is given by pipe connection and transport to sewage after mother liquor water treatment unit and washing water treatment unit handle. The utility model provides a pair of P hydroxybenzoic acid waste water processing system, can simultaneous processing mother liquor waste water and washing water waste water, improved the operation convenience, and almost in the waste water remaining material recycle carries out, reduced cost in business, also reduced the content of remaining chemical industry pollutant, improved waste water treatment efficiency greatly.
Description
Technical field
The utility model relates to the waste water comprehensive treatment technique field in chemical industry equipment, is specially a kind of P-hydroxybenzoic acid production wastewater treatment system.
Background technology
In the industrial chemicals production processes such as the P-hydroxybenzoic acid of prior art, factory effluent is mainly divided into two parts, one is mother liquid coming, one is washing water, the mother liquid coming of prior art and washing water process respectively by two cover independent systems, and whole facility investment is comparatively large, and whole treating processes can not be unified, inconvenient operation, poor to the processing efficiency of water simultaneously.Therefore, be badly in need of a kind of unified total system in conjunction with two kinds of waste water of exploitation, improve processing efficiency and the operation ease of whole system.
Utility model content
For the problems referred to above, the utility model provides a kind of P-hydroxybenzoic acid production wastewater treatment system.
The technical solution adopted in the utility model is, build a kind of P-hydroxybenzoic acid production wastewater treatment system, comprise triple-effect evaporator and the wastewater collection pond of P-hydroxybenzoic acid production line, above-mentioned wastewater collection pond comprises mother liquor pond and the type washing sink of independent setting, above-mentioned mother liquor pond is connected with mother liquid coming processing unit, and above-mentioned type washing sink is connected with washing water processing unit; Sewage is connected by pipeline through above-mentioned mother liquid coming processing unit and flows to biochemical treatment unit after above-mentioned washing water processing unit processes.
Above-mentioned mother liquid coming processing unit comprises the primary adsorption tower be connected successively, a mother liquor resolves pond, high phenol tank, secondary absorption tower, low phenol tank, three grades of adsorption towers, and three grades of adsorption towers are connected with biochemical treatment unit.
Above-mentioned washing water processing unit comprises adsorption tower, is divided into two-way by above-mentioned adsorption tower, and pipeline of leading up to directly is connected with biochemical treatment unit; Another road comprises that pond is analysed in the once washing hydrolysis connected successively, once washing water neutralization tank, whizzer, P-hydroxybenzoic acid pond for recovering are connected, and the hydrolysis of above-mentioned once washing is analysed pond and also resolved pond, second wash water neutralization tank, quantizer, phenol recovery pond by branch road successively connecting secondary washing water.
As preferably, above-mentioned biochemical treatment unit comprises the equalizing tank, tube settler, anaerobic pond, Aerobic Pond, the second pond that are connected successively.
As preferably, above-mentioned quantizer to be also connected with above-mentioned high phenol tank by pipeline and the high phenol water collected is flowed to high phenol tank.
As preferably, above-mentioned primary adsorption tower is also by carrying the pipeline of aqueous phase to be connected with above-mentioned triple-effect evaporator, and the condensing water conduit of above-mentioned triple-effect evaporator is connected with above-mentioned biochemical treatment unit.
As preferably, above-mentioned mother liquor parsing pond is resolved pond by pipeline and secondary mother liquid and is connected with above-mentioned P-hydroxybenzoic acid pond for recovering, above-mentioned secondary mother liquid is resolved pond and is connected with above-mentioned phenol recovery pond by pipeline, and above-mentioned secondary mother liquid is resolved pond and is also connected with high phenol tank by pipeline.
As preferably, above-mentioned secondary absorption tower is connected with above-mentioned phenol recovery pond with secondary phenol water separator through secondary neutralization tank successively, and above-mentioned secondary phenol water separator is also connected with above-mentioned high phenol tank by pipeline.
As preferably, above-mentioned three grades of adsorption towers are connected with above-mentioned phenol recovery pond with three grades of phenol water separators through three grades of neutralization tanks successively, and above-mentioned three grades of phenol water separators are also connected with above-mentioned high phenol tank by pipeline.
Beneficial effect
Compared with prior art, a kind of P-hydroxybenzoic acid production wastewater treatment system that the utility model provides, mother liquor waste water and washing water waste water can be processed simultaneously, improve operation ease, and can almost in waste water residual substance recycle, reduce enterprise cost, decrease the content of remaining chemical industry pollutent, substantially increase waste water treatment efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is biochemical treatment unit schema of the present utility model.
Embodiment
Set forth a lot of detail in the following description so that fully understand the utility model.But the utility model can be much different from alternate manner described here to implement, those skilled in the art can when doing similar popularization without prejudice to when the utility model intension, and therefore the utility model is by the restriction of following public specific embodiment.
Below in conjunction with drawings and Examples, embodiment of the present utility model is described further.
embodiment 1
In the present embodiment, by reference to the accompanying drawings, structure of the present utility model is described in detail.
As shown in the figure, a kind of P-hydroxybenzoic acid production wastewater treatment system, comprise triple-effect evaporator and the wastewater collection pond of P-hydroxybenzoic acid production line, wastewater collection pond comprises mother liquor pond and the type washing sink of independent setting, mother liquor pond is connected with mother liquid coming processing unit, and type washing sink is connected with washing water processing unit; Sewage is connected by pipeline through mother liquid coming processing unit and flows to biochemical treatment unit after washing water processing unit processes.
Mother liquid coming processing unit comprises the primary adsorption tower be connected successively, a mother liquor resolves pond, high phenol tank, secondary absorption tower, low phenol tank, three grades of adsorption towers, and three grades of adsorption towers are connected with biochemical treatment unit.
Washing water processing unit comprises adsorption tower, is divided into two-way by adsorption tower, and pipeline of leading up to directly is connected with biochemical treatment unit; Another road comprise connect successively once washing hydrolysis analyse pond, once washing water neutralization tank, whizzer, P-hydroxybenzoic acid pond for recovering be connected, once washing hydrolysis analyses pond also by branch road successively connecting secondary washing water resolve pond, second wash water neutralization tank, quantizer, phenol recovery pond.
As preferred implementation of the present utility model, biochemical treatment unit comprises the equalizing tank, tube settler, anaerobic pond, Aerobic Pond, the second pond that are connected successively.
As preferred implementation of the present utility model, quantizer to be also connected with high phenol tank by pipeline and the high phenol water collected is flowed to high phenol tank.
As preferred implementation of the present utility model, primary adsorption tower is also by carrying the pipeline of aqueous phase to be connected with triple-effect evaporator, and the condensing water conduit of triple-effect evaporator is connected with biochemical treatment unit.
As preferred implementation of the present utility model, a mother liquor parsing pond is resolved pond by pipeline and secondary mother liquid and is connected with P-hydroxybenzoic acid pond for recovering, secondary mother liquid is resolved pond and is connected with phenol recovery pond by pipeline, and secondary mother liquid is resolved pond and is also connected with high phenol tank by pipeline.
As preferred implementation of the present utility model, secondary absorption tower is connected with phenol recovery pond with secondary phenol water separator through secondary neutralization tank successively, and secondary phenol water separator is also connected with high phenol tank by pipeline.
As preferred implementation of the present utility model, three grades of adsorption towers are connected with phenol recovery pond with three grades of phenol water separators through three grades of neutralization tanks successively, and three grades of phenol water separators are also connected with high phenol tank by pipeline.
During concrete enforcement, P-hydroxybenzoic acid factory effluent divides two parts, and a part is mother liquid coming, containing phenol, P-hydroxybenzoic acid and potassium sulfate; Another part is washing water, containing phenol, P-hydroxybenzoic acid, and not sulfur acid potassium.
Mother liquid coming adopts multiple adsorption towers of macroporous adsorbent resin to carry out three grades of absorption.Mother liquid coming is after the absorption of primary adsorption tower large aperture adsorption resin, and aqueous phase goes triple-effect evaporator to reclaim post reclaim(ed) sulfuric acid potassium.Phenol in organic phase and P-hydroxybenzoic acid are adsorbed on resin, in a mother liquor parsing pond, add 30% liquid caustic soda carry out parsing formation desorbed solution and reclaim P-hydroxybenzoic acid, secondary mother liquid resolve in pond add in desorbed solution 98% acid carry out in and to reclaim phenol, the raffinate reclaiming phenol and P-hydroxybenzoic acid carries out implementing secondary absorption by secondary absorption tower as high phenol water, aqueous phase after secondary absorption is low phenol water, carries out three grades of absorption by three grades of adsorption towers; After secondary absorption through secondary neutralization tank and secondary phenol water separator, therefrom reclaim phenol.Aqueous phase after three grades of absorption can enter in biochemical treatment unit and carry out biochemical treatment, and its desorbed solution, through three grades of neutralization tanks and three grades of phenol water separators, returns secondary absorption tower by high phenol tank and carries out adsorption treatment.Accompanying drawing 1 is shown in by idiographic flow sketch.Mother liquid coming (not having potassium sulfate in washing water) after absorption is by system of three-effect downstream evaporator, and reclaim(ed) sulfuric acid potassium, directly metering is protected to pack and sold as the raw material of composite fertilizer.The water of condensation of triple effect evaporation send in rear system biochemical treatment unit and processes.
Washes is after large aperture adsorption resin absorption, and aqueous phase goes triple-effect evaporator to reclaim post reclaim(ed) sulfuric acid potassium, the water of condensation of triple effect evaporation, directly carries biochemical treatment unit.Phenol in organic phase and P-hydroxybenzoic acid are adsorbed on resin, add 30% alkali to resolve night, in desorbed solution, high phenol water goes to implement secondary absorption in secondary absorption tower, respectively by the branch road be once connected with second wash water parsing pond, the organic phase in desorbed solution adds 98% acid and carries out neutralizing to reclaim phenol and P-hydroxybenzoic acid.
Enter the waste water of biochemical treatment unit, first enter equalizing tank and carry out homogeneous, all measure, because waste water in pond is in acid, need neutralizing treatment be carried out.Namely add sodium hydroxide and carry out neutralization reaction, after reaction, waste water enters tube settler precipitation.
Waste water through neutralizing is by being pumped into anaerobic pond, Aerobic Pond and second pond.Current between each pond realize gravity flow.In the process, the most of organism in waste water is degraded by Institute of Micro-biology, and anaerobic and aerobic combination, not only can remove the COD in waste water, and there is denitrification effect.Waste water is after anaerobism, aerobic treatment, and its discharge index can reach national standard reference.
Heavy pond partial sludge is back to anaerobic pond, and excess sludge enters sludge treating block, operates sanitary landfill process outward after concentrated, press filtration.
Although the utility model with preferred embodiment openly as above; but it is not for limiting the utility model; any those skilled in the art are not departing from spirit and scope of the present utility model; can make possible variation and amendment, the scope that therefore protection domain of the present utility model should define with the utility model claim is as the criterion.
Claims (7)
1. a P-hydroxybenzoic acid production wastewater treatment system, comprise triple-effect evaporator and the wastewater collection pond of P-hydroxybenzoic acid production line, it is characterized in that, described wastewater collection pond comprises mother liquor pond and the type washing sink of independent setting, described mother liquor pond is connected with mother liquid coming processing unit, and described type washing sink is connected with washing water processing unit; Sewage is connected by pipeline through described mother liquid coming processing unit and flows to biochemical treatment unit after described washing water processing unit processes;
Described mother liquid coming processing unit comprises the primary adsorption tower be connected successively, a mother liquor resolves pond, high phenol tank, secondary absorption tower, low phenol tank, three grades of adsorption towers, and three grades of adsorption towers are connected with biochemical treatment unit;
Described washing water processing unit comprises adsorption tower, is divided into two-way by described adsorption tower, and pipeline of leading up to directly is connected with biochemical treatment unit; Another road comprises that pond is analysed in the once washing hydrolysis connected successively, once washing water neutralization tank, whizzer, P-hydroxybenzoic acid pond for recovering are connected, and the hydrolysis of described once washing is analysed pond and also resolved pond, second wash water neutralization tank, quantizer, phenol recovery pond by branch road successively connecting secondary washing water.
2. a kind of P-hydroxybenzoic acid production wastewater treatment system according to claim 1, is characterized in that, described biochemical treatment unit comprises the equalizing tank, tube settler, anaerobic pond, Aerobic Pond, the second pond that are connected successively.
3. a kind of P-hydroxybenzoic acid production wastewater treatment system according to claim 1, is characterized in that, described quantizer to be also connected with described high phenol tank by pipeline and the high phenol water collected is flowed to high phenol tank.
4. a kind of P-hydroxybenzoic acid production wastewater treatment system according to claim 1, it is characterized in that, described primary adsorption tower is also by carrying the pipeline of aqueous phase to be connected with described triple-effect evaporator, and the condensing water conduit of described triple-effect evaporator is connected with described biochemical treatment unit.
5. a kind of P-hydroxybenzoic acid production wastewater treatment system according to claim 1, it is characterized in that, described mother liquor parsing pond is resolved pond by pipeline and secondary mother liquid and is connected with described P-hydroxybenzoic acid pond for recovering, described secondary mother liquid is resolved pond and is connected with described phenol recovery pond by pipeline, and described secondary mother liquid is resolved pond and is also connected with high phenol tank by pipeline.
6. a kind of P-hydroxybenzoic acid production wastewater treatment system according to claim 1, it is characterized in that, described secondary absorption tower is connected with described phenol recovery pond with secondary phenol water separator through secondary neutralization tank successively, and described secondary phenol water separator is also connected with described high phenol tank by pipeline.
7. a kind of P-hydroxybenzoic acid production wastewater treatment system according to claim 1, it is characterized in that, described three grades of adsorption towers are connected with described phenol recovery pond with three grades of phenol water separators through three grades of neutralization tanks successively, and described three grades of phenol water separators are also connected with described high phenol tank by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520801129.2U CN205061821U (en) | 2015-10-18 | 2015-10-18 | P hydroxybenzoic acid waste water processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520801129.2U CN205061821U (en) | 2015-10-18 | 2015-10-18 | P hydroxybenzoic acid waste water processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205061821U true CN205061821U (en) | 2016-03-02 |
Family
ID=55388402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520801129.2U Active CN205061821U (en) | 2015-10-18 | 2015-10-18 | P hydroxybenzoic acid waste water processing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205061821U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110902963A (en) * | 2019-12-10 | 2020-03-24 | 九江天赐高新材料有限公司 | Treatment method of alkali-soluble polymer-containing wastewater |
| CN114275966A (en) * | 2021-11-30 | 2022-04-05 | 浙江圣效化学品有限公司 | Recycling method of nipagin ester wastewater |
| CN114573188A (en) * | 2022-03-15 | 2022-06-03 | 宿迁思睿屹新材料有限公司 | P hydroxybenzoic acid waste water processing system |
| CN115536515A (en) * | 2022-10-13 | 2022-12-30 | 衢州英特高分子材料有限公司 | Preparation method of 2-hydroxy-6-naphthoic acid |
-
2015
- 2015-10-18 CN CN201520801129.2U patent/CN205061821U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110902963A (en) * | 2019-12-10 | 2020-03-24 | 九江天赐高新材料有限公司 | Treatment method of alkali-soluble polymer-containing wastewater |
| CN114275966A (en) * | 2021-11-30 | 2022-04-05 | 浙江圣效化学品有限公司 | Recycling method of nipagin ester wastewater |
| CN114573188A (en) * | 2022-03-15 | 2022-06-03 | 宿迁思睿屹新材料有限公司 | P hydroxybenzoic acid waste water processing system |
| CN115536515A (en) * | 2022-10-13 | 2022-12-30 | 衢州英特高分子材料有限公司 | Preparation method of 2-hydroxy-6-naphthoic acid |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205061821U (en) | P hydroxybenzoic acid waste water processing system | |
| CN103803752B (en) | Treatment method of wastewater with high salinity and high organic matters | |
| CN102910757B (en) | Treatment technique of waste water generated in production of o-nitrophenol | |
| CN101104533A (en) | Method for treating waste water of H-acid production | |
| CN101531425B (en) | Method for treating ammonia nitrogen wastewater | |
| CN102010082B (en) | Treatment method for recycling waste dilute sulfuric acid | |
| CN110282783B (en) | Ammonium phosphate chemical wastewater treatment system and method | |
| CN104129831A (en) | Method for simultaneous removal and recovery of heavy metal ions and organic acid by using chelating resin | |
| CN101269798A (en) | Method for recycling organic resource in waste sulphuric acid and refining waste sulfuric acid | |
| CN102502998A (en) | Totally enclosed type alkali etching liquid recycling process | |
| CN105174577A (en) | Coal chemical wastewater pretreatment process and device | |
| CN104030514A (en) | Dual-effect and energy-saving waste water steam stripping deacidification and deamination technique method | |
| CN106145510A (en) | A kind of method using water supply plant dewatered sludge reinforced film biological reactor phosphor-removing effect | |
| CN104528989B (en) | A kind of high ammonia-nitrogen wastewater processes ammonia recovery system | |
| CN104005050A (en) | Method for treating and recycling divalent manganese in electrolytic manganese wastewater | |
| CN101734813B (en) | Technology for recovering ammonium sulfate by waste acid pickle generated in process of producing cyanuric acid and equipment therefor | |
| CN104860465A (en) | Double-tower catalysis thermal-coupling reflux deamination method and deamination device thereof | |
| CN214528548U (en) | Resourceful treatment device for high-salt and high-alcohol wastewater in heparin extraction | |
| CN105084686A (en) | Sanitary production method for recycling residual activated sludge in sewage treatment plant | |
| CN202156940U (en) | High ammonia-nitrogen sewage treatment system | |
| CN204342616U (en) | A kind of high ammonia-nitrogen wastewater process ammonia recovery unit | |
| CN104276696A (en) | Pretreatment method of high-concentration organic wastewater containing DMAC (dimethylacetamide) | |
| CN204958599U (en) | Professional equipment of ammonia nitrogen diffusion barrier refuse disposal filtration liquid technology | |
| CN109650646B (en) | Treatment method of glycine production wastewater | |
| CN109133468B (en) | Desulfurization wastewater dechlorination treatment device and process for coal-fired power plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |