CN107162311A - A kind of return flow device - Google Patents
A kind of return flow device Download PDFInfo
- Publication number
- CN107162311A CN107162311A CN201610126698.0A CN201610126698A CN107162311A CN 107162311 A CN107162311 A CN 107162311A CN 201610126698 A CN201610126698 A CN 201610126698A CN 107162311 A CN107162311 A CN 107162311A
- Authority
- CN
- China
- Prior art keywords
- methane
- generating pit
- pressure chamber
- pod apertures
- water
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/32—Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
A kind of return flow device, including waste water buffer pool, the first methane-generating pit, the first water pressure chamber, the second methane-generating pit, the second water pressure chamber, sedimentation basin, aerating wastewater pond, concentrated filter tank.Waste water buffer pool connects water inlet pipe, waste water buffer pool connects the first methane-generating pit by the first water inlet inclined tube, connected between first methane-generating pit and the first water pressure chamber by the first pod apertures, first water pressure chamber connects the second methane-generating pit by the second water inlet inclined tube, is connected between the second methane-generating pit and the second water pressure chamber by the 3rd pod apertures.Connected, connected between sedimentation basin and aerating wastewater pond by the 5th pod apertures by the 4th pod apertures between second water pressure chamber and sedimentation basin, aerating wastewater pond is connected with concentrated filter tank by the 6th pod apertures, aerating wastewater pond connection delivery pipe.First methane-generating pit connects the first biogas escape pipe, and the second methane-generating pit connects the second biogas escape pipe.Apparatus of the present invention lengthen retention time of sewage, and fermentation reaction fully, effectively reduces BOD and other nuisances in waste water.
Description
Technical field
The present invention relates to field of industrial waste water treatment, and in particular to a kind of return flow device.
Background technology
The waste water of bean product enterprise is mainly derived from the leaching beans, bubble beans and squeezing waste water and flushing waste water of raw material soya bean, and the wastewater through organic matter content is high, and biodegradability is strong, is the high-concentration waste water for polluting environment.The pollutant of waste water is mostly labile organic compound, biodegradability reaches 0.6-0.7, C: N: P average out to 100: 4.7: 0.7 of waste water, it is adapted to the growth of microorganism, the processing key for the waste water of the type is that to select the reasonable design of suitable handling process and relevant parameter be vital.
Soybean wastewater, which is mainly derived from, washes beans water, soaking bean water, screenings separation water, press filtration water, the washings of each production technology container, ground flushing water etc..Wherein Huang swill CODCr is up to 20 000~30 000mg/ L, and the CODCr 4 000 of soaking bean water~8 000 mg/ L, other waste water CODs Cr is relatively low.According to practical engineering experience, easily there is problems with return flow：1., bean product production belongs to Batch Process mode, and water discharge time is relatively concentrated, and water and water quality are very uneven；2., SS is up to 1 000~1 500 mg/
Easily in wastewater surface formation scum layer under L, anaerobic condition；3., high-concentration waste water is easily acidified during Anaerobic Treatment, deteriorates the treatment effect of anaerobic unit；4., aerobic stage, using Wastewater Treated by Activated Sludge Process, is also easy to produce sludge bulking.Therefore, the water of anaerobic pond must be flowed into periodically toward Aerobic Process for Treatment, reduce the load of anaerobic device, but Aerobic Pond water table ratio anaerobism pool water level is high, waste water typically can not flow to Aerobic Pond by anaerobic pond automatically, it need to be conveyed by submerged pump, so not only consume energy but also had corrosiveness to pump, and had a negative impact to wastewater treatment.
The content of the invention
The deficiency existed for above wastewater treatment equipment, the present invention uses a kind of new wastewater treatment equipment, specially a kind of return flow device.
The technical solution adopted in the present invention is：
A kind of return flow device, including waste water buffer pool, the first methane-generating pit, the first water pressure chamber, the second methane-generating pit, the second water pressure chamber, sedimentation basin, aerating wastewater pond, concentrated filter tank.Waste water buffer pool connects water inlet pipe, waste water buffer pool connects the first methane-generating pit by the first water inlet inclined tube, connected between first methane-generating pit and the first water pressure chamber by the first pod apertures, first water pressure chamber connects the second methane-generating pit by the second water inlet inclined tube, is connected between the second methane-generating pit and the second water pressure chamber by the 3rd pod apertures.
Connected, connected between sedimentation basin and aerating wastewater pond by the 5th pod apertures by the 4th pod apertures between second water pressure chamber and sedimentation basin, aerating wastewater pond is connected with concentrated filter tank by the 6th pod apertures, aerating wastewater pond connection delivery pipe.
First methane-generating pit connects the first biogas escape pipe, and the second methane-generating pit connects the second biogas escape pipe.
The first biogas escape pipe is provided with the second control valve provided with the first control valve, the second biogas escape pipe, and the first biogas escape pipe, the second biogas escape pipe are connected to biogas house steward.
First water pressure chamber is connected by the second pod apertures with the second methane-generating pit, the second pod apertures connection the second water inlet inclined tube.
The delivery pipe is connected with the 7th pod apertures being arranged on concentrated filter tank, and drain valve is provided with delivery pipe.
A kind of return flow device of the present invention, reacted using two-stage anaerobic biogas fermentation, lengthen retention time of sewage, fermentation reaction is abundant, BOD and other nuisances effectively in reduction waste water, installing control valve in methane outlet pipe can be by regulating and controlling increase biogas pressure, it is automatic that waste water is pressed into sedimentation basin from water pressure chamber, reduce the conveying process of submerged pump, reduce investment outlay, save the energy, drain valve is set on wastewater discharge pipe, discharge capacity can be regulated and controled to adjust the gas-phase space of methane-generating pit, the biogas utilization in methane-generating pit is maximized.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples：
Fig. 1 is the structural representation of apparatus of the present invention.
Embodiment
As shown in figure 1, a kind of return flow device, including waste water buffer pool 2, the first methane-generating pit 4, the first water pressure chamber 6, the second methane-generating pit 9, the second water pressure chamber 11, sedimentation basin 13, aerating wastewater pond 15, concentrated filter tank 17.
Waste water buffer pool 2 connects water inlet pipe 1, waste water buffer pool 2 connects the first methane-generating pit 4 by the first water inlet inclined tube 3, connected between first methane-generating pit 4 and the first water pressure chamber 6 by the first pod apertures 5, first water pressure chamber 6 connects the second methane-generating pit 9 by the second water inlet inclined tube 8, is connected between the second methane-generating pit 9 and the second water pressure chamber 11 by the 3rd pod apertures 10.
Connected between second water pressure chamber 11 and sedimentation basin 13 by the 4th pod apertures 12, connected between sedimentation basin 13 and aerating wastewater pond 15 by the 5th pod apertures 14, aerating wastewater pond 15 is connected with concentrated filter tank 17 by the 6th pod apertures 16, the connection of aerating wastewater pond 15 delivery pipe 19.
First methane-generating pit 4 connects the first biogas escape pipe 22, and the second methane-generating pit 9 connects the second biogas escape pipe 25.
The first biogas escape pipe 22 is provided with the second control valve 24 provided with the first control valve 23, the second biogas escape pipe 25, and the first biogas escape pipe 22, the second biogas escape pipe 25 are connected to biogas house steward 21.
First water pressure chamber 6 is connected by the second pod apertures 7 with the second methane-generating pit 9, the second pod apertures 7 connection the second water inlet inclined tube 8.
The delivery pipe 19 is connected with the 7th pod apertures 18 being arranged on concentrated filter tank 17.Drain valve 20 is provided with delivery pipe 19.
First methane-generating pit 4, the first water pressure chamber 6, the second methane-generating pit 9, the bottom of the second water pressure chamber 11 are oblique, and being easy to waste water, order circulates successively.
Waste water is introduced into waste water buffer pool 2 by water inlet pipe 1, then waste water enters the first methane-generating pit 4 by the first water inlet inclined tube 3 of the upper side of waste water buffer pool 2, enter the first water pressure chamber 6 by the first pod apertures 5 of the side of the first methane-generating pit 4 again, waste water carries out anaerobe fermentation under anaerobic condition, produce biogas, as waste water constantly enters, the second pod apertures 7 to the second water inlet inclined tube 8 that liquid level rises to the side of the first water pressure chamber 6 enters the second methane-generating pit 9, then the 3rd pod apertures 10 through the downside of the second methane-generating pit 9 enter the second water pressure chamber 11, waste water continues to ferment in the second methane-generating pit 9 simultaneously produces biogas, biogas passes through the first biogas escape pipe 22, second biogas escape pipe 25 is passed through biogas house steward 21, deliver to user, the biogas pressure in methane-generating pit is adjusted with the first control valve 23 and the second control valve 24, when biogas pressure is gradually increased, wastewater pressure also increases simultaneously, water pressure chamber is flowed to by pod apertures, the water level of the second water pressure chamber 11 is set constantly to increase, water level rises at the 4th pod apertures 12 of the second water pressure chamber 11 and just flowed into sedimentation basin 13, add the 5th pod apertures 14 after flocculant again through the downside of sedimentation basin 13 and enter aerating wastewater pond 15, waste water is sufficiently mixed generation air supporting with the air blasted, then the concentrated precipitation concentration of filter tank 17 is entered by the 5th pod apertures 14 of the side in aerating wastewater pond 15, clear water is discharged from the 7th pod apertures 18 into delivery pipe 19, the drain valve 20 that flow is installed on delivery pipe 19 is controlled.
When the first control valve 23 and the second control valve 24 that are respectively mounted on the first biogas escape pipe 22 and the second biogas escape pipe 25 are turned down or closed, the biogas constantly produced makes the pressure of two methane-generating pits constantly rise, cause the pressure rise of two water pressure chambers simultaneously, water level rises, the water level of first water pressure chamber 6 rises to the second pod apertures 7, waste water will flow into the second methane-generating pit 9 from the first water pressure chamber 6, the pressure of second methane-generating pit 9 can also balance rise simultaneously, waste water will be again from the second methane-generating pit 9 the 3rd pod apertures 10 flow to the second water pressure chamber 11, the water level of second water pressure chamber 11, which rises to, flows into sedimentation basin 13 at the 4th pod apertures 12 of side, waste water mixes with the flocculant added in sedimentation basin 13 and enters aeration tank in the 5th pod apertures 14 by the side of sedimentation basin 13, waste water is sufficiently mixed with the air blasted to be produced air supporting and then enters concentrated filter tank 17 by the 6th pod apertures 16 of the side in aerating wastewater pond 15, clear water is discharged from the 7th pod apertures 18 of side into delivery pipe 19 after precipitation concentration.
When using biogas, first control valve 23 and the second control valve 24 are opened, and biogas pressure reduction, the waste water of the second water pressure chamber 11 will be flow backwards into methane-generating pit, the water level balance of final second water pressure chamber 11 and methane-generating pit, gaseous pressure reach it is minimum, with gas also can be forced stop, this is can to close the drain valve 20 of delivery pipe 19, make waste water only import but no export, the water level of methane-generating pit will constantly rise, and biogas is extruded, and biogas is fully used.
Claims (5)
1. a kind of return flow device, including waste water buffer pool（2）, the first methane-generating pit（4）, the first water pressure chamber（6）, the second methane-generating pit（9）, the second water pressure chamber（11）, sedimentation basin（13）, aerating wastewater pond（15）, concentrated filter tank（17）；
Characterized in that, waste water buffer pool（2）Connect water inlet pipe（1）, waste water buffer pool（2）Pass through the first water inlet inclined tube（3）Connect the first methane-generating pit（4）, the first methane-generating pit（4）With the first water pressure chamber（6）Between pass through the first pod apertures（5）Connection, the first water pressure chamber（6）Pass through the second water inlet inclined tube（8）Connect the second methane-generating pit（9）, the second methane-generating pit（9）With the second water pressure chamber（11）Between pass through the 3rd pod apertures（10）Connection；Second water pressure chamber（11）With sedimentation basin（13）Between pass through the 4th pod apertures（12）Connection, sedimentation basin（13）With aerating wastewater pond（15）Between pass through the 5th pod apertures（14）Connection, aerating wastewater pond（15）With concentrated filter tank（17）Pass through the 6th pod apertures（16）Connection, aerating wastewater pond（15）Connect delivery pipe（19）；First methane-generating pit（4）Connect the first biogas escape pipe（22）, the second methane-generating pit（9）Connect the second biogas escape pipe（25）.
2. a kind of return flow device according to claim 1, it is characterised in that the first biogas escape pipe（22）It is provided with the first control valve（23）, the second biogas escape pipe（25）It is provided with the second control valve（24）, the first biogas escape pipe（22）, the second biogas escape pipe（25）It is connected to biogas house steward（21）.
3. a kind of return flow device according to claim 1, it is characterised in that first water pressure chamber（6）Pass through the second pod apertures（7）With the second methane-generating pit（9）Connection, the second pod apertures（7）The water inlet inclined tube of connection second（8）.
4. a kind of return flow device according to claim 1, it is characterised in that the delivery pipe（19）With being arranged on concentrated filter tank（17）On the 7th pod apertures（18）Connection, delivery pipe（19）On be provided with drain valve（20）.
5. a kind of return flow device according to claim 1, it is characterised in that first methane-generating pit（4）, the first water pressure chamber（6）, the second methane-generating pit（9）, the second water pressure chamber（11）Bottom is oblique.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610126698.0A CN107162311A (en) | 2016-03-07 | 2016-03-07 | A kind of return flow device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610126698.0A CN107162311A (en) | 2016-03-07 | 2016-03-07 | A kind of return flow device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107162311A true CN107162311A (en) | 2017-09-15 |
Family
ID=59848553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610126698.0A Pending CN107162311A (en) | 2016-03-07 | 2016-03-07 | A kind of return flow device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107162311A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110104878A (en) * | 2019-04-30 | 2019-08-09 | 江苏十月金环保设备有限公司 | A kind of equipment and its technique for yellow swill sewage treatment |
-
2016
- 2016-03-07 CN CN201610126698.0A patent/CN107162311A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110104878A (en) * | 2019-04-30 | 2019-08-09 | 江苏十月金环保设备有限公司 | A kind of equipment and its technique for yellow swill sewage treatment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101734827B (en) | Method for treating yeast wastewater | |
| CN108083579B (en) | Modularized integrated system and process for treating non-fermented bean product production wastewater | |
| CN104176825A (en) | Device and method for combined treatment of soybean protein wastewater by anaerobic methanogenesis and anaerobic ammonia oxidation | |
| CN201932982U (en) | Combined system using micro-electrolysis-MBR (membrane bio-reactor) combined technology to treat printing and dyeing wastewater | |
| CN105084532B (en) | A kind of anaerobic biological treatment method of high concentrated organic wastewater | |
| CN103011515A (en) | Soybean wastewater biochemical treatment process and device | |
| CN104402167A (en) | Printing and dyeing wastewater biochemical treatment method | |
| CN103936239B (en) | Advanced treatment process and system for cassava-based ethanol wastewater | |
| CN207079138U (en) | Stripping reflux formula integrated equipment for sewage treatment | |
| CN106007267A (en) | Large integrated sewage treatment device and sewage treatment technology | |
| CN101781055A (en) | Treatment method of waste papermaking water | |
| CN117105462A (en) | Food processing wastewater treatment system and method | |
| CN101786724A (en) | Technology for processing domestic sewage into normal water | |
| CN208136048U (en) | A kind of vegetables juicing waste water treatment system | |
| CN208649040U (en) | A kind of proprietary processing unit of high concentration antibiotic organic wastewater | |
| CN107162311A (en) | A kind of return flow device | |
| CN205382071U (en) | Soyfood effluent treatment plant | |
| CN207121472U (en) | A kind of aerobic integrated sewage-treating reactor device of internal circulating anaerobic | |
| CN203112653U (en) | Soybean product wastewater biochemical treatment device | |
| CN111252994A (en) | Domestic fungus wastewater treatment method | |
| CN213112847U (en) | Electrophoresis effluent disposal system | |
| CN115231699A (en) | Anaerobic membrane bioreactor for wastewater treatment and wastewater treatment method thereof | |
| CN212222760U (en) | Beer wastewater treatment system | |
| CN212151780U (en) | Sewage treatment device capable of achieving batch water inlet and continuous water outlet | |
| CN208632331U (en) | Garbage percolation liquid treating system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170915 |
|
| WD01 | Invention patent application deemed withdrawn after publication |