CN205382071U - Soyfood effluent treatment plant - Google Patents
Soyfood effluent treatment plant Download PDFInfo
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- CN205382071U CN205382071U CN201620170775.8U CN201620170775U CN205382071U CN 205382071 U CN205382071 U CN 205382071U CN 201620170775 U CN201620170775 U CN 201620170775U CN 205382071 U CN205382071 U CN 205382071U
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Abstract
The utility model provides a soyfood effluent treatment plant, includes between waste water buffer pool, first methane -generating pit, first water pressure, between second methane -generating pit, second water pressure, sedimentation tank, waste water aeration tank, concentrated filtering ponds. The inlet tube is connected to the waste water buffer pool, and first methane -generating pit is connected through the first pipe chute of intaking to the waste water buffer pool, through first water conservancy diversion hole intercommunication between first methane -generating pit and first water pressure, intakes the pipe chute through the second between first water pressure and connects the second methane -generating pit, passes through third water conservancy diversion hole between second methane -generating pit and second water pressure to communicate. Between second water pressure and through fourth water conservancy diversion hole intercommunication between the sedimentation tank, feed through through the 5th water conservancy diversion hole between sedimentation tank and the waste water aeration tank, the emission pipe is connected with concentrated filtering ponds through the 6th water conservancy diversion hole intercommunication, waste water aeration tank in the waste water aeration tank. First marsh gas outlet duct is connected to first methane -generating pit, and second marsh gas outlet duct is connected to the second methane -generating pit. The utility model discloses the device makes waste water dwell time extension, and fermentation reaction is abundant, effectively reduce waste water in BOD have the pest with other.
Description
Technical field
This utility model relates to field of industrial waste water treatment, is specifically related to a kind of return flow device.
Background technology
The waste water of bean product enterprise is mainly derived from the leaching bean of raw material Semen Glycines, bubble bean and squeezing waste water and flushing waste water, and this wastewater through organic matter content is high, and biodegradability is strong, is the high-concentration waste water of contaminated environment.The pollutant of waste water are mostly labile organic compound, biodegradability reaches 0.6 0.7, C: N: P average out to 100: 4.7: 0.7 of waste water, be suitable for microbial growth, for the type waste water process it is crucial that select suitable process technique and relevant parameter appropriate design it is critical that.
Soybean wastewater is mainly derived from washes bean water, soaking bean water, screenings separation water, filter pressing water, the washings of each production technology container, ground flushing water etc..Wherein yellow water from washing rice CODCr is up to 20000～30000mg/L, the CODCr4000～8000mg/L of soaking bean water, and Cr is relatively low for other waste water CODs.According to practical engineering experience, easily there is problems with in return flow: 1., bean product produce belong to Batch Process mode, water discharge time is relatively concentrated, and the water yield and water quality are very uneven；2., SS up to 1000～1500mg/L, easily form scum layer at wastewater surface under anaerobic condition；3., high-concentration waste water easy acidifying in anaerobic treatment process, make the treatment effect of anaerobic unit worsen；4., aerobic stage, adopt Wastewater Treated by Activated Sludge Process, be easily generated sludge bulking.Therefore, the water of anaerobic pond must regularly flow into toward Aerobic Process for Treatment, reduce the load of anaerobic device, but Aerobic Pond water table ratio anaerobic pond water level wants height, waste water generally can not automatically by anaerobic pond stream to Aerobic Pond, need to carry by submerged pump, so not only consume energy but also pump is had corrosiveness, wastewater treatment is had a negative impact.
Summary of the invention
For the deficiency that above wastewater treatment equipment exists, this utility model adopts a kind of new wastewater treatment equipment, is specially a kind of return flow device.
This utility model be the technical scheme is that
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 tank, 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, by the first pod apertures connection between first methane-generating pit and the first water pressure chamber, first water pressure chamber connects the second methane-generating pit by the second water inlet inclined tube, by the 3rd pod apertures connection between the second methane-generating pit and the second water pressure chamber.
Being connected by the 4th pod apertures between second water pressure chamber and sedimentation tank, connected by the 5th pod apertures between sedimentation tank with aerating wastewater pond, aerating wastewater pond is connected by the 6th pod apertures with concentrated filter tank, and aerating wastewater pond connects delivery pipe.
First methane-generating pit connects the first biogas escape pipe, and the second methane-generating pit connects the second biogas escape pipe.
Described first biogas escape pipe is provided with the first control valve, the second biogas escape pipe is provided with the second control valve, and described first biogas escape pipe, the second biogas escape pipe are connected to biogas house steward.
Described first water pressure chamber is connected with the second methane-generating pit by the second pod apertures, and the second pod apertures connects the second water inlet inclined tube.
Described delivery pipe is connected with the 7th pod apertures being arranged on concentrated filter tank, and delivery pipe is provided with drain valve.
This utility model one return flow device, adopt the reaction of two-stage anaerobic biogas fermentation, retention time of sewage is made to lengthen, fermentation reaction is abundant, effectively reduce BOD and other nuisances in waste water, pacify cartridge control valve at methane outlet pipe can pass through to regulate and control to increase biogas pressure, automatically waste water is pressed into sedimentation tank from water pressure chamber, decrease the conveying process of submerged pump, reduce investment outlay, save the energy, wastewater discharge pipe arranges drain valve, discharge capacity can be regulated and controled to regulate the gas-phase space of methane-generating pit, make the biogas utilization in methane-generating pit be maximized.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is the structural representation of this utility model device.
Detailed description of the invention
As it is shown in figure 1, a kind of return flow device, including waste water Buffer Pool the 2, first methane-generating pit the 4, first water pressure chamber the 6, second methane-generating pit the 9, second water pressure chamber 11, sedimentation tank 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 by the first pod apertures 5 between first methane-generating pit 4 with the first water pressure chamber 6, first water pressure chamber 6 connects the second methane-generating pit 9 by the second water inlet inclined tube 8, is connected by the 3rd pod apertures 10 between the second methane-generating pit 9 with the second water pressure chamber 11.
Connected by the 4th pod apertures 12 between second water pressure chamber 11 and sedimentation tank 13, connected by the 5th pod apertures 14 between sedimentation tank 13 with aerating wastewater pond 15, aerating wastewater pond 15 is connected by the 6th pod apertures 16 with concentrated filter tank 17, and aerating wastewater pond 15 connects 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.
Described first biogas escape pipe 22 is provided with first control valve the 23, second biogas escape pipe 25 and is provided with the second control valve 24, and described first biogas escape pipe the 22, second biogas escape pipe 25 is connected to biogas house steward 21.
Described first water pressure chamber 6 is connected with the second methane-generating pit 9 by the second pod apertures 7, and the second pod apertures 7 connects the second water inlet inclined tube 8.
Described delivery pipe 19 is connected with the 7th pod apertures 18 being arranged on concentrated filter tank 17.Delivery pipe 19 is provided with drain valve 20.
Inclined shape bottom described first methane-generating pit the 4, first water pressure chamber the 6, second methane-generating pit the 9, second water pressure chamber 11, it is simple to waste water is order circulation successively.
nullWaste 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 waste water Buffer Pool 2 upper side，The first water pressure chamber 6 is entered again by the first pod apertures 5 of the first methane-generating pit 4 side，Waste water carries out anaerobe fermentation under anaerobic condition，Produce biogas，Along with waste water constantly enters，Liquid level rises to the second pod apertures 7 to the second water inlet inclined tube 8 of the first water pressure chamber 6 side and enters the second methane-generating pit 9，Then the second water pressure chamber 11 is entered through the 3rd pod apertures 10 of the second methane-generating pit 9 downside，Waste water continues fermentation at the second methane-generating pit 9 simultaneously and produces biogas，Biogas passes through the first biogas escape pipe 22、Second biogas escape pipe 25 passes into biogas house steward 21，Deliver to user，Control valve 23 with first and the second control valve 24 regulates the biogas pressure in methane-generating pit，When biogas pressure is gradually increased，Wastewater pressure also increases simultaneously，Water pressure chamber is flowed to by pod apertures，The water level making the second water pressure chamber 11 constantly rises，Water level rises to the 4th pod apertures 12 place of the second water pressure chamber 11 and just flows in sedimentation tank 13，Aerating wastewater pond 15 is entered then through the 5th pod apertures 14 on the downside of sedimentation tank 13 after adding flocculant，Waste water is sufficiently mixed generation air supporting with the air blasted，The 5th pod apertures 14 being then passed through the side in aerating wastewater pond 15 enters concentrated filter tank 17 precipitation concentration，Clear water enters delivery pipe 19 from the 7th pod apertures 18 and discharges，Flow is controlled by the drain valve 20 installed on delivery pipe 19.
nullWhen be respectively mounted on the first biogas escape pipe 22 and the second biogas escape pipe 25 first controls valve 23 and the second control valve 24 turns down or cuts out，The biogas constantly produced makes the pressure of two methane-generating pits constantly rise，The pressure simultaneously causing two water pressure chambers raises，Water level rises，First water pressure chamber 6 water level 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 the second methane-generating pit 9 also can balance rising simultaneously，Waste water will flow to the second water pressure chamber 11 from the 3rd pod apertures 10 of the second methane-generating pit 9 again，Second water pressure chamber 11 water level rises to the 4th pod apertures 12 place of side and flows into sedimentation tank 13，Waste water mixes with the flocculant added and is being entered Aeration tank by the 5th pod apertures 14 of sedimentation tank 13 side in sedimentation tank 13，Waste water and the air blasted are sufficiently mixed the 6th pod apertures 16 producing the side that air supporting is then passed through aerating wastewater pond 15 and enter concentrated filter tank 17，After precipitation concentration, clear water the 7th pod apertures 18 from the side enters delivery pipe 19 and discharges.
When using biogas, first control valve 23 and the second control valve 24 are opened, and biogas pressure reduces, and the waste water of the second water pressure chamber 11 will flow backwards into methane-generating pit, the water level balance of final second water pressure chamber 11 and methane-generating pit, gaseous pressure reaches minimum, also can be forced with gas to stop, and this is to be closed by 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 is extruded by biogas, makes biogas be fully used.
Claims (5)
1. a 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 tank (13), aerating wastewater pond (15), concentrated filter tank (17)；
It is characterized in that, 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 by the first pod apertures (5) between first methane-generating pit (4) with the first water pressure chamber (6), first water pressure chamber (6) connects the second methane-generating pit (9) by the second water inlet inclined tube (8), is connected by the 3rd pod apertures (10) between the second methane-generating pit (9) with the second water pressure chamber (11)；Connected by the 4th pod apertures (12) between second water pressure chamber (11) with sedimentation tank (13), connected by the 5th pod apertures (14) between sedimentation tank (13) with aerating wastewater pond (15), aerating wastewater pond (15) is connected by the 6th pod apertures (16) with concentrated filter tank (17), and aerating wastewater pond (15) connect 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).
2. a kind of return flow device according to claim 1, it is characterized in that, described first biogas escape pipe (22) is provided with the first control valve (23), the second biogas escape pipe (25) is provided with the second control valve (24), and described first biogas escape pipe (22), the second biogas escape pipe (25) are connected to biogas house steward (21).
3. a kind of return flow device according to claim 1, it is characterised in that described first water pressure chamber (6) connect with the second methane-generating pit (9) by the second pod apertures (7), the second pod apertures (7) connection second is intake inclined tube (8).
4. a kind of return flow device according to claim 1, it is characterised in that described delivery pipe (19) is connected with the 7th pod apertures (18) being arranged on concentrated filter tank (17), and delivery pipe (19) is provided with drain valve (20).
5. a kind of return flow device according to claim 1, it is characterised in that described first methane-generating pit (4), the first water pressure chamber (6), the second methane-generating pit (9), the inclined shape in the second water pressure chamber (11) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620170775.8U CN205382071U (en) | 2016-03-07 | 2016-03-07 | Soyfood effluent treatment plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620170775.8U CN205382071U (en) | 2016-03-07 | 2016-03-07 | Soyfood effluent treatment plant |
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| CN205382071U true CN205382071U (en) | 2016-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620170775.8U Active CN205382071U (en) | 2016-03-07 | 2016-03-07 | Soyfood effluent treatment plant |
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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 CN201620170775.8U patent/CN205382071U/en active Active
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 |
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