CN104787961A - Efficient and energy-saving system for treating and recycling high-concentration organic wastewater and method thereof - Google Patents
Efficient and energy-saving system for treating and recycling high-concentration organic wastewater and method thereof Download PDFInfo
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- CN104787961A CN104787961A CN201510126149.9A CN201510126149A CN104787961A CN 104787961 A CN104787961 A CN 104787961A CN 201510126149 A CN201510126149 A CN 201510126149A CN 104787961 A CN104787961 A CN 104787961A
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Abstract
The invention discloses an efficient and energy-saving system for treating and recycling high-concentration organic wastewater and a method thereof and belongs to the technical field of sewage treatment. A filter screen adjusting tank is connected with a flocculation and sedimentation tank, a pre-acidification tank, a dosing tank and a medium-temperature anaerobic reactor in sequence, wherein the medium-temperature anaerobic reactor is divided into three paths; one path is connected with an integrated sewage sludge purification tank; another path is connected with a methane treatment device; the third path is connected with a sludge concentration tank; the integrated sewage sludge purification tank is connected with a filtration fabric tank and a high-concentration ozone reactor in sequence. The method is simple in technological process and low in operation cost; compared with the conventional method, the treatment cost of one ton of water can be reduced from 30-40% in the prior art to 15-25 RMB per ton of water; the treatment cost is reduced by about 30-50%; generation of a concentrated solution is avoided.
Description
Technical field
The invention belongs to technical field of sewage, be specifically related to a kind of energy-efficient high concentrated organic wastewater treatment for reuse system and method.
Background technology
Pharmacy waste water, alcohol waste water, percolates etc. all belong to high concentrated organic wastewater, such concentration of organic wastewater and other pollutent as all very high in suspended substance, colourity etc., for garbage incinerating power plant percolate, such waste water has following features: in percolate, CODCr mean concns is up to 10000-20000mg/L, and some incineration plant even reach more than 50000mg/L, BOD
5mean concns is up to 5000mg/L, and some incineration plant even reach more than 20000mg/L, and concentration of suspension is up to 10000mg/L, and colourity is up to 300 times.
The intractability of this kind of waste water is very large, in Practical Project, often adopt combination process, and treatment process primarily of pre-treatment, biological treatment, advanced treatment three part composition, and carries out special process to foul smell, biogas, mud, dope respectively.For garbage incinerating power plant percolate, Fig. 1 is conventional leachate processing technique schema.
There is following defect in conventional sewage treatment process: technical process is long, and trouble spot is many, and maintenance management is complicated inconvenient; System installed power is large, and working cost is high.Ton water treatment expense is up to about 30 ~ 40 yuan; Advanced treatment adopts membrane treatment process to produce dope, and dope intractability is very big, and adopts back the methods such as spray or flushing cinder to be proved to be to affect the treatment process of burning process or fluctuation of service at Practical Project.
Summary of the invention
The object of the present invention is to provide a kind of energy-efficient high concentrated organic wastewater treatment for reuse system and method.This system and method flow process is simple, and processing efficiency is high, and working cost is low, does not produce dope, there is not the problem of the secondary pollutions such as foul smell, noise, mud.
A kind of energy-efficient high concentrated organic wastewater treatment for reuse system, filter screen equalizing tank is connected with flocculation sedimentation tank, flocculation sedimentation tank is connected with pre-acidified pond, pre-acidified pond is connected with dosing chamber, pre-acidified pond is connected with anaeration in normal temperature reactor, anaeration in normal temperature reactor is divided into three tunnels, one tunnel is connected with integrated sewage water mud treating pond, one tunnel is connected with marsh gas treatment device, one tunnel is connected with sludge thickener, described integrated sewage water mud treating pond is connected with filtering cloth filtering pool, described filtering cloth filtering pool is connected with high-concentrated ozone reactor, the outlet of described sludge thickener is divided into two-way, one tunnel is connected with sludge dewatering equipment, one tunnel is connected with dosing chamber, described sludge dewatering equipment is divided into two-way, one tunnel is connected with incinerator, one tunnel is connected with filter screen equalizing tank.
Described flocculation sedimentation tank, pre-acidified pond, dosing chamber, the sludge discharging pipe of anaeration in normal temperature reactor is connected with sludge thickener.
Described filter screen equalizing tank, flocculation sedimentation tank, pre-acidified pond, dosing chamber, the escape pipe of anaeration in normal temperature reactor integrated sewage water mud treating pond is connected with vacuum fan, and described vacuum fan is connected with biological deodorizing device.
The water that enters of described filter screen equalizing tank is the former water of percolate.
The water that enters of described integrated sewage water mud treating pond is sanitary sewage, workshop wash-down water.
The effective integrated biological sewage treatment device of BIO type is provided with in described integrated sewage water mud treating pond.
Described filtering cloth filtering pool is ZP type filtering cloth filtering pool.
A treatment process for energy-efficient high concentrated organic wastewater, comprises the steps:
(1) pre-treatment
First the former water of percolate enter filter screen equalizing tank, carry out preliminary sedimentation and be separated, regulating pondage, water is flowed out and reaches at the uniform velocity, then flocculation sedimentation tank is entered, drop into flocculation agent, further sedimentation be separated, then enter pre-acidified pond, macromolecule organic is degraded, finally enter dosing chamber, by the syphonic effect of dosing chamber, waste water is sprayed every 5-15min from the nozzle be fixedly embedded in filter tank;
(2) waste water sprayed enters anaeration in normal temperature reactor and carries out anaerobically fermenting, and anaerobically fermenting generation biogas enters marsh gas treatment device and processes, and mud enters sludge thickener and processes;
(3) waste water after the fermentation of anaeration in normal temperature reactor enters integrated sewage water mud treating pond and purifies, meanwhile, sanitary sewage, workshop wash-down water also enters integrated sewage water mud treating pond and purifies;
(4) sewage after purification enters filtering cloth filtering pool and carries out further purifying treatment, enters reuse pool and store after then entering high-concentrated ozone reactor for treatment.
Described filter screen equalizing tank, flocculation sedimentation tank, pre-acidified pond, dosing chamber, the foul smell of anaeration in normal temperature reactor integrated sewage water mud treating pond sends into biological deodorizing device process by the vacuum fan be attached thereto.
Described flocculation sedimentation tank, pre-acidified pond, dosing chamber, the mud of anaeration in normal temperature reactor enters sludge thickener and carries out concentration, enter sludge dewatering equipment after process to process, the filtrate of deviating from is back to filter screen equalizing tank and reenters cycle for the treatment of, and the mud deviate from enters incinerator and burns.
Beneficial effect of the present invention: technical process of the present invention is simple, is reduced to 8 by traditional 10 processing units; Working cost is low, and compared with traditional method, ton water treatment expense can be reduced to 15 ~ 25 yuan/ton of water by original 30 ~ 40%, and processing cost reduces about 30 ~ 50%; Produce without dope, advanced treatment adopts advanced oxidation technique one high-concentrated ozone contact reactor technique, reacts thoroughly and unlike membrane treatment process, produces reluctant dope.
Accompanying drawing explanation
Fig. 1 is conventional leachate processing technique schema.
Fig. 2 is the process flow sheet of the high concentrated organic wastewater treatment for reuse system adopting the present invention energy-efficient.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Embodiment 1
A kind of energy-efficient high concentrated organic wastewater treatment for reuse system, as shown in Figure 2, filter screen equalizing tank is connected with flocculation sedimentation tank, flocculation sedimentation tank is connected with pre-acidified pond, pre-acidified pond is connected with dosing chamber, pre-acidified pond is connected with anaeration in normal temperature reactor, anaeration in normal temperature reactor is divided into three tunnels, one tunnel is connected with integrated sewage water mud treating pond, one tunnel is connected with marsh gas treatment device, one tunnel is connected with sludge thickener, described integrated sewage water mud treating pond is connected with filtering cloth filtering pool, described filtering cloth filtering pool is connected with high-concentrated ozone reactor, the outlet of described sludge thickener is divided into two-way, one tunnel is connected with sludge dewatering equipment, one tunnel is connected with dosing chamber, described sludge dewatering equipment is divided into two-way, one tunnel is connected with incinerator, one tunnel is connected with filter screen equalizing tank.
Described flocculation sedimentation tank, pre-acidified pond, dosing chamber, the sludge discharging pipe of anaeration in normal temperature reactor is connected with sludge thickener.
Described filter screen equalizing tank, flocculation sedimentation tank, pre-acidified pond, dosing chamber, the escape pipe of anaeration in normal temperature reactor integrated sewage water mud treating pond is connected with vacuum fan, and described vacuum fan is connected with biological deodorizing device.
The water that enters of described filter screen equalizing tank is the former water of percolate.
The water that enters of described integrated sewage water mud treating pond is sanitary sewage, workshop wash-down water.
The effective integrated biological sewage treatment device of BIO type is provided with in described integrated sewage water mud treating pond.
Described filtering cloth filtering pool is ZP type filtering cloth filtering pool.
A treatment process for energy-efficient high concentrated organic wastewater, comprises the steps:
(1) pre-treatment
First the former water of percolate enter filter screen equalizing tank, carry out preliminary sedimentation and be separated, regulating pondage, water is flowed out and reaches at the uniform velocity, then flocculation sedimentation tank is entered, drop into flocculation agent, further sedimentation be separated, then enter pre-acidified pond, macromolecule organic is degraded, finally enter dosing chamber, by the syphonic effect of dosing chamber, waste water is sprayed every 5-15min from the nozzle be fixedly embedded in filter tank;
(2) waste water sprayed enters anaeration in normal temperature reactor and carries out anaerobically fermenting, and anaerobically fermenting generation biogas enters marsh gas treatment device and processes, and mud enters sludge thickener and processes;
(3) waste water after the fermentation of anaeration in normal temperature reactor enters integrated sewage water mud treating pond and purifies, meanwhile, sanitary sewage, workshop wash-down water also enters integrated sewage water mud treating pond and purifies;
(4) sewage after purification enters filtering cloth filtering pool and carries out further purifying treatment, enters reuse pool and store after then entering high-concentrated ozone reactor for treatment.
Described filter screen equalizing tank, flocculation sedimentation tank, pre-acidified pond, dosing chamber, the foul smell of anaeration in normal temperature reactor integrated sewage water mud treating pond sends into biological deodorizing device process by the vacuum fan be attached thereto.
Described flocculation sedimentation tank, pre-acidified pond, dosing chamber, the mud of anaeration in normal temperature reactor enters sludge thickener and carries out concentration, enter sludge dewatering equipment after process to process, the filtrate of deviating from is back to filter screen equalizing tank and reenters cycle for the treatment of, and the mud deviate from enters incinerator and burns.
In sewage treatment process, pre-treatment, the effective integrated biological sewage treatment device of BIO type, ZP type filtering cloth filtering pool, high-concentrated ozone contact reacts pond combinationally use.The effective integrated biological sewage treatment device of BIO type can be removed and significantly reduce organism, nitrogen, phosphorus index, do not produce biochemical sludge and foul smell simultaneously, ZP type filtering cloth filtering pool removes the indexs such as suspended substance further, high-concentrated ozone contact reactor can carry out advanced treatment to being difficult to biodegradable pollution substance, effectively can remove colourity, remaining organism, the appropriate design of combination process can guarantee that system cloud gray model is efficient, process water outlet reaches reuse standard, energy consumption is low, do not produce dope and avoid the generation of secondary pollution.
The effective integrated effluent treatment plant of BIO type be a kind of by microorganism reactor with aerating apparatus group to the revolutionary innovative means of all-in-one-piece, be specially adapted to organic waste water, have efficiently, low consumption, the features such as operational administrative is simple and convenient.
ZP fiber type rotating disk filtering cloth filtering pool treatment technology is an efficient Water treatment filtration technology of advanced person, is mainly used in refrigeration cycle water treatment, the advanced treatment of waste water and Treated sewage reusing, is also applicable to the upgrading of existing sewage work.Its principal character is that effluent quality is good, and stable water outlet, runs continuously, bears high waterpower, and suspended substance portative power is strong, fully automatic operation, operation, easy maintenance, and working cost is low, and civil engineering costs is low and take up an area little etc.
High-concentrated ozone contact reactor adopts Novel filter material as enrichment ozone, improves the medium of ozone concn, thus greatly improves the efficiency of ozone oxidation pollution substance and final treatment effect.
The present invention replaces traditional blast aeration system with the suspended substance type integrated sewage water mud refining plant of less energy-consumption, replaces traditional microbial bacteria micelle with high effective microbial community that is novel, long service life.Traditional external placed type MBR pond is replaced with filtering cloth filtering pool.Replace film treatment combination unit NF+RO with advanced oxidation unit-high-concentrated ozone reactor, do not produce dope.
Claims (10)
1. an energy-efficient high concentrated organic wastewater treatment for reuse system, it is characterized in that, filter screen equalizing tank is connected with flocculation sedimentation tank, flocculation sedimentation tank is connected with pre-acidified pond, pre-acidified pond is connected with dosing chamber, dosing chamber is connected with anaeration in normal temperature reactor, anaeration in normal temperature reactor is divided into three tunnels, one tunnel is connected with integrated sewage water mud treating pond, one tunnel is connected with marsh gas treatment device, one tunnel is connected with sludge thickener, described integrated sewage water mud treating pond is connected with filtering cloth filtering pool, described filtering cloth filtering pool is connected with high-concentrated ozone reactor, the outlet of described sludge thickener is divided into two-way, one tunnel is connected with sludge dewatering equipment, one tunnel is connected with dosing chamber, described sludge dewatering equipment is divided into two-way, one tunnel is connected with incinerator, one tunnel is connected with filter screen equalizing tank.
2. a kind of energy-efficient high concentrated organic wastewater treatment for reuse system according to claim 1, it is characterized in that, described flocculation sedimentation tank, pre-acidified pond, dosing chamber, the sludge discharging pipe of anaeration in normal temperature reactor is connected with sludge thickener.
3. a kind of energy-efficient high concentrated organic wastewater treatment for reuse system according to claim 1, it is characterized in that, described filter screen equalizing tank, flocculation sedimentation tank, pre-acidified pond, dosing chamber, the escape pipe of anaeration in normal temperature reactor integrated sewage water mud treating pond is connected with vacuum fan, and described vacuum fan is connected with biological deodorizing device.
4. a kind of energy-efficient high concentrated organic wastewater treatment for reuse system according to claim 1, it is characterized in that, the water that enters of described filter screen equalizing tank is the former water of percolate.
5. a kind of energy-efficient high concentrated organic wastewater treatment for reuse system according to claim 1, it is characterized in that, the water that enters of described integrated sewage water mud treating pond is sanitary sewage, workshop wash-down water.
6. a kind of energy-efficient high concentrated organic wastewater treatment for reuse system according to claim 1, is characterized in that, be provided with the effective integrated biological sewage treatment device of BIO type in described integrated sewage water mud treating pond.
7. a kind of energy-efficient high concentrated organic wastewater treatment for reuse system according to claim 1, it is characterized in that, described filtering cloth filtering pool is ZP type filtering cloth filtering pool.
8. a treatment process for energy-efficient high concentrated organic wastewater, is characterized in that, comprises the steps:
(1) pre-treatment
First the former water of percolate enter filter screen equalizing tank, carry out preliminary sedimentation and be separated, regulating pondage, water is flowed out and reaches at the uniform velocity, then flocculation sedimentation tank is entered, drop into flocculation agent, further sedimentation be separated, then enter pre-acidified pond, macromolecule organic is degraded, finally enter dosing chamber, by the syphonic effect of dosing chamber, waste water is sprayed every 5-15min from the nozzle be fixedly embedded in filter tank;
(2) waste water sprayed enters anaeration in normal temperature reactor and carries out anaerobically fermenting, and anaerobically fermenting generation biogas enters marsh gas treatment device and processes, and mud enters sludge thickener and processes;
(3) waste water after the fermentation of anaeration in normal temperature reactor enters integrated sewage water mud treating pond and purifies, meanwhile, sanitary sewage, workshop wash-down water also enters integrated sewage water mud treating pond and purifies;
(4) sewage after purification enters filtering cloth filtering pool and carries out further purifying treatment, enters reuse pool and store after then entering high-concentrated ozone reactor for treatment.
9. the treatment process of a kind of energy-efficient high concentrated organic wastewater according to claim 1, it is characterized in that, described filter screen equalizing tank, flocculation sedimentation tank, pre-acidified pond, dosing chamber, the foul smell of anaeration in normal temperature reactor integrated sewage water mud treating pond sends into biological deodorizing device process by the vacuum fan be attached thereto.
10. the treatment process of a kind of energy-efficient high concentrated organic wastewater according to claim 1, it is characterized in that, described flocculation sedimentation tank, pre-acidified pond, dosing chamber, the mud of anaeration in normal temperature reactor enters sludge thickener and carries out concentration, enters sludge dewatering equipment and process after process, the filtrate of deviating from is back to filter screen equalizing tank and reenters cycle for the treatment of, and the mud deviate from enters incinerator and burns.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108341558A (en) * | 2018-04-24 | 2018-07-31 | 中节能工程技术研究院有限公司 | A kind of advanced waste treatment system and technique |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101767914A (en) * | 2010-01-12 | 2010-07-07 | 广西博世科环保科技有限公司 | Method for treating garbage leachate |
| CN103739140A (en) * | 2013-11-15 | 2014-04-23 | 安徽省绿巨人环境技术有限公司 | Liquor factory high-concentration organic wastewater treatment technology |
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- 2015-03-23 CN CN201510126149.9A patent/CN104787961A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101767914A (en) * | 2010-01-12 | 2010-07-07 | 广西博世科环保科技有限公司 | Method for treating garbage leachate |
| CN103739140A (en) * | 2013-11-15 | 2014-04-23 | 安徽省绿巨人环境技术有限公司 | Liquor factory high-concentration organic wastewater treatment technology |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108341558A (en) * | 2018-04-24 | 2018-07-31 | 中节能工程技术研究院有限公司 | A kind of advanced waste treatment system and technique |
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