CN209835896U - Novel bean product wastewater treatment system - Google Patents
Novel bean product wastewater treatment system Download PDFInfo
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- CN209835896U CN209835896U CN201920448371.4U CN201920448371U CN209835896U CN 209835896 U CN209835896 U CN 209835896U CN 201920448371 U CN201920448371 U CN 201920448371U CN 209835896 U CN209835896 U CN 209835896U
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Abstract
The utility model provides a novel bean products effluent disposal system, a serial communication port, including the physics pretreatment system, anaerobic reactor, Bardenpho technology pond, two heavy ponds, the sludge impoundment that set gradually, physics pretreatment system is including the grid canal, equalizing basin, micro-filter, air supporting machine, coagulating sedimentation tank, the middle pond that set gradually. The utility model has the advantages that: the utility model reduces the investment cost and the running cost of the Bardenpho process treatment unit; the utility model has good denitrification and dephosphorization effect, and ensures that the effluent quality reaches the standard; the utility model discloses it is stable to have a water quality of water, and the simultaneous processing system easy operation that the load capacity is strong shocks resistance, and required staff is few, and it is convenient to maintain.
Description
Technical Field
The utility model relates to a waste water treatment technical field, concretely relates to novel soyfood effluent disposal system.
Background
The wastewater of bean product enterprises has high organic content and strong biodegradability, and is high-concentration wastewater which pollutes the environment. The pollutants of the wastewater are mostly degradable organic matters and have good biodegradability, the average ratio of C to N to P of the wastewater is 100: 4.7: 0.7, the wastewater is suitable for the growth of microorganisms, and the key point of the treatment of the wastewater is that a proper treatment process is selected. The bean product wastewater mainly comes from bean washing water, bean soaking water, slurry and residue separation water, press filtration water, washing water of various production process containers, ground washing water and the like. Wherein CODCr of the yellow swill is up to 20000-30000 mg/L, CODCr of the bean soaking water is 4000-8000 mg/L, and CODCr of other waste water is relatively low. According to the practical engineering experience, the following problems are easy to occur in the treatment of the bean product wastewater: the method comprises the steps of firstly, producing bean products in an intermittent production mode, concentrating drainage time, and uneven water quantity and water quality, secondly, forming a scum layer on the surface of wastewater easily under an anaerobic condition when SS is as high as 1000-1500 mg/L, thirdly, easily acidifying high-concentration wastewater in an anaerobic treatment process to deteriorate the treatment effect of an anaerobic unit, and fourthly, treating the high-concentration wastewater by an activated sludge method in a conventional aerobic stage to easily generate sludge expansion. Therefore, the water in the anaerobic tank must flow into the aerobic treatment periodically to reduce the load of the anaerobic device, but the water level of the aerobic tank is higher than that of the anaerobic tank, so that the wastewater cannot automatically flow from the anaerobic tank to the aerobic tank generally, and the wastewater is conveyed by a submerged pump, thereby consuming energy, having a corrosive effect on the pump and having a negative effect on the wastewater treatment.
SUMMERY OF THE UTILITY MODEL
For solving the above-mentioned problem comprehensively, especially to the not enough that prior art exists, the utility model provides a novel bean products effluent disposal system can solve above-mentioned problem comprehensively.
In order to achieve the above object, the utility model adopts the following technical means:
a novel bean product wastewater treatment system comprises a physical pretreatment system, an anaerobic reactor, a Bardenpho process tank, a secondary sedimentation tank and a sludge tank which are sequentially arranged, wherein the physical pretreatment system comprises a grating channel, an adjusting tank, a micro-filtration tank, an air floatation machine, a coagulating sedimentation tank and an intermediate water tank which are sequentially arranged;
the system comprises an adjusting tank, a micro-filtration tank, a grid channel, a water pump, a coagulating sedimentation tank, a regulating tank, a water pump, a sewage submersible pump and an anaerobic reactor, wherein the grid channel is arranged at the upper end of the regulating tank and is connected with the adjusting tank through a pipeline;
the anaerobic reactors are provided with two groups, water outlets of the two groups of anaerobic reactors are connected with a Bardenpho process tank through a pipeline, the Bardenpho process tank is connected with a secondary sedimentation tank through a pipeline, and the secondary sedimentation tank is connected with a sludge tank through a pipeline and a water pump.
Furthermore, a rotary mechanical grid is adopted in the grid ditch to remove particles.
Furthermore, a first flow impeller is arranged inside the adjusting tank.
Further, a methane collecting device is arranged at the gas outlet of the anaerobic reactor.
Further, a first process tank, a second process tank, a third process tank and a fourth process tank are sequentially arranged in the Bardenpho process tank, the first process tank and the second process tank share one tank wall, through holes are formed in the tank wall, the first process tank is connected with the second process tank through the through holes, the second process tank and the third process tank share one tank wall, through holes are formed in the tank wall, the second process tank is connected with the third process tank through the through holes, the third process tank and the fourth process tank share one tank wall, through holes are formed in the tank wall, and the third process tank is connected with the fourth process tank through the through holes.
Furthermore, a second flow pushing device is arranged inside the first process tank and the third process tank.
Furthermore, the bottom of the second process tank and the fourth process tank is provided with a rotary mixing aerator.
Furthermore, the rotary mixing aerator is externally connected with a Roots blower.
Further, the sludge tank is also connected with sludge discharge ports of the coagulating sedimentation tank, the anaerobic reactor and the Bardenpho process tank through pipelines and a water pump.
Furthermore, the sludge tank is externally connected with a sludge treatment device.
The utility model has the advantages that: the utility model adopts the air flotation and coagulating sedimentation process to remove macromolecular organic matters and suspended matters in water, reduces the water inlet concentration of a subsequent anaerobic reactor, effectively reduces the risk that the acidification of high-concentration water in the anaerobic reactor causes the treatment effect to deteriorate, provides favorable reaction conditions for anaerobic microorganisms, removes most organic matters in sewage after the anaerobic reaction, and reduces the investment cost and the running cost of a Bardenpho process treatment unit; the utility model has good denitrification and dephosphorization effect, and ensures that the effluent quality reaches the standard; the utility model discloses it is stable to have a water quality of water, and the simultaneous processing system easy operation that the load capacity is strong shocks resistance, and required staff is few, and it is convenient to maintain.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings.
As shown in fig. 1, the utility model provides a novel bean product wastewater treatment system, which comprises a physical pretreatment system, an anaerobic reactor 7, a Bardenpho process tank 9, a secondary sedimentation tank 10 and a sludge tank 11 which are arranged in sequence, wherein the physical pretreatment system comprises a grid channel 1, an adjusting tank 2, a microfiltration tank 3, an air flotation machine 4, a coagulating sedimentation tank 5 and an intermediate water tank 6 which are arranged in sequence;
the grid channel 1 is arranged at the upper end of the adjusting tank 2, the grid channel 1 is connected with the adjusting tank 2 through a pipeline, the adjusting tank 2 and the micro-filtration tank 3 are arranged adjacently, the adjusting tank 2 and the micro-filtration tank 3 share one tank wall, through holes are arranged on the tank wall, the adjusting tank 2 is connected with a microfiltration tank 3 through a through hole, the microfiltration tank 3 is connected with a water inlet of an air floatation machine 4 through a pipeline and a water pump, the water outlet of the air floatation machine 4 is connected with a coagulating sedimentation tank 5 through a pipeline, the coagulating sedimentation tank 5 is arranged adjacent to an intermediate water tank 6, the coagulating sedimentation tank 5 and the middle water tank 6 share one tank wall, through holes are arranged on the tank wall, the coagulating sedimentation tank 5 is connected with the middle water tank 6 through the through holes, a submersible sewage pump 601 is arranged at the bottom end in the intermediate water tank 6, and the submersible sewage pump 601 is connected with a water inlet of the anaerobic reactor 7 through a pipeline;
the anaerobic reactors 7 are provided with two groups, the water outlets of the two groups of anaerobic reactors 7 are connected with a Bardenpho process tank 9 through a pipeline, the Bardenpho process tank 9 is connected with a secondary sedimentation tank 10 through a pipeline, and the secondary sedimentation tank 10 is connected with a sludge tank 11 through a pipeline and a water pump.
A rotary mechanical grating is adopted in the grating channel 1, and the rotary mechanical grating can effectively remove large-particle floating objects such as bean dregs in wastewater.
2 inside impeller 201 that are equipped with of equalizing basin, impeller 201 stirs and can effectively prevent the suspended solid and deposit to guarantee the intensive mixing and the regulating pondage of waste water.
The micro-filter 3 occupies a very small area, the occupation area of ten thousand tons of water is only 15 square meters, which is 1/6-1/7 of the traditional process, and can further remove suspended matters in the water.
When the wastewater passes through the air flotation machine 4, the micro-bubbles dissolved in the water can take oil and macromolecular protein out of the water surface, and organic matters in the water are scraped by a residue scraper above the air flotation machine 4.
Two sets of dosing systems are arranged outside the coagulating sedimentation tank 5, so that large suspended particles in water are removed, and the subsequent biochemical pressure is reduced.
A steam heating pipe is arranged in the intermediate water tank 6 and used for heating the waste water, so that the inlet water temperature of the anaerobic reactor 7 is ensured.
The anaerobic reactor 7 is internally provided with a perforated pipe water distributor, and the three-phase separator is used for separating solid-liquid-gas. Four circulating pumps are arranged in the device. The anaerobic reactor 7 is provided with a water seal tank for ensuring normal air pressure in the anaerobic reactor.
The gas outlet of the anaerobic reactor 7 is provided with a methane collecting device 8, and methane generated by the anaerobic reactor 7 can be collected by the methane collecting device 8 and then comprehensively utilized, so that energy waste is saved.
A first process tank, a second process tank, a third process tank and a fourth process tank are sequentially arranged in the Bardenpho process tank 9, the first process tank and the second process tank share one tank wall, through holes are formed in the tank wall, the first process tank is connected with the second process through the through holes, the second process tank and the third process tank share one tank wall, through holes are formed in the tank wall, the second process tank is connected with the third process tank through the through holes, the third process tank and the fourth process tank share one tank wall, through holes are formed in the tank wall, and the third process tank is connected with the fourth process tank through the through holes. And a second flow pushing device 901 is arranged in the first process tank and the third process tank. The bottom of the second process tank and the fourth process tank is provided with a rotary mixing aerator 902. The rotary mixing aerator 902 is externally connected with a Roots blower 903. The arrangement ensures that the residual organic matters in the wastewater in the Bardenpho process tank 9 are degraded by microorganisms and simultaneously realize nitrogen and phosphorus removal.
The secondary sedimentation tank 10 can realize mud-water separation and ensure clear effluent.
The sludge tank 11 is also connected with sludge discharge ports of the coagulating sedimentation tank 5, the anaerobic reactor 7 and the Bardenpho process tank 9 through pipelines and a water pump, so that the sludge in the coagulating sedimentation tank 5, the anaerobic reactor 7 and the Bardenpho process tank 9 is discharged into the sludge tank 11 and is conveyed into a dehydration room for dehydration.
The external sludge treatment device 12 of sludge impoundment 11, sludge treatment device 12 can be convenient for the mud-water separation in the sludge impoundment 11, and the mud cake centralized processing that separates prevents the polluted environment.
The utility model discloses a concrete flow does: the large suspended matters of the waste water are intercepted when the waste water passes through the grid channel 1, the fine suspended matters and the waste water enter the regulating tank 2 and then enter the microfiltration tank 3, the fine suspended matters in the microfiltration tank 3 are intercepted, the effluent enters the air flotation machine 4, oil and protein in the waste water are carried out of the water surface by micro bubbles and are scraped by a slag scraper, the effluent enters the coagulation sedimentation tank 5 for coagulation reaction, the coagulated sludge is precipitated into a sludge hopper, the supernatant enters the intermediate tank 6 after being collected by a triangular weir water collecting tank, a steam heating system arranged in the intermediate tank 6 can keep the water temperature constant, a submersible pump 601 arranged at the bottom of the tank pumps the anaerobic reactor 7, organic matters in the waste water are decomposed by anaerobic microorganisms in the anaerobic reactor to generate methane, the granular sludge is intercepted in the reactor when the gas-water mixture rises to a three-phase separator, the methane is collected by a methane collecting device 8 and then is comprehensively utilized, the supernatant enters a Bardenpho reaction tank 9 after being collected, after the aerobic microorganisms further degrade residual organic matters in the tank, the wastewater enters a secondary sedimentation tank 10 for mud-water separation, sludge is sunk into a mud bucket, and supernatant is collected by a triangular weir water collecting tank and then discharged after reaching the standard.
Claims (10)
1. A novel bean product wastewater treatment system is characterized by comprising a physical pretreatment system, an anaerobic reactor, a Bardenpho process tank, a secondary sedimentation tank and a sludge tank which are sequentially arranged, wherein the physical pretreatment system comprises a grid channel, an adjusting tank, a micro-filter, an air floatation machine, a coagulating sedimentation tank and an intermediate water tank which are sequentially arranged;
the system comprises an adjusting tank, a micro-filtration tank, a grid channel, a water pump, a coagulating sedimentation tank, a regulating tank, a water pump, a sewage submersible pump and an anaerobic reactor, wherein the grid channel is arranged at the upper end of the regulating tank and is connected with the adjusting tank through a pipeline;
the anaerobic reactors are provided with two groups, water outlets of the two groups of anaerobic reactors are connected with a Bardenpho process tank through a pipeline, the Bardenpho process tank is connected with a secondary sedimentation tank through a pipeline, and the secondary sedimentation tank is connected with a sludge tank through a pipeline and a water pump.
2. The novel soybean wastewater treatment system according to claim 1, wherein a rotary mechanical grid is used for particle removal in the grid channel.
3. The novel soybean wastewater treatment system according to claim 1, wherein a first flow impeller is arranged inside the regulating tank.
4. The novel bean product wastewater treatment system according to claim 1, wherein a methane gas collection device is arranged at the gas outlet of the anaerobic reactor.
5. The novel bean product wastewater treatment system according to claim 1, wherein a first process tank, a second process tank, a third process tank and a fourth process tank are sequentially arranged in the Bardenpho process tank, the first process tank and the second process tank share one tank wall, through holes are formed in the tank wall, the first process tank is connected with the second process tank through the through holes, the second process tank and the third process tank share one tank wall, through holes are formed in the tank wall, the second process tank is connected with the third process tank through the through holes, the third process tank and the fourth process tank share one tank wall, through holes are formed in the tank wall, and the third process tank is connected with the fourth process tank through the through holes.
6. The novel bean product wastewater treatment system according to claim 5, wherein a second flow impeller is arranged inside the first process tank and the third process tank.
7. The novel soybean wastewater treatment system of claim 5, wherein the second process tank and the fourth process tank are provided with a rotary mixing aerator at the bottom.
8. The novel soy product wastewater treatment system as set forth in claim 7, wherein the rotary mixing aerator is externally connected with a Roots blower.
9. The novel bean product wastewater treatment system of claim 1, wherein the sludge tank is further connected with a sludge discharge port of the coagulation sedimentation tank, the anaerobic reactor and the Bardenpho process tank through a pipeline and a water pump.
10. The novel soybean wastewater treatment system according to claim 1 or 9, wherein the sludge tank is externally connected with a sludge treatment device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920448371.4U CN209835896U (en) | 2019-04-04 | 2019-04-04 | Novel bean product wastewater treatment system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920448371.4U CN209835896U (en) | 2019-04-04 | 2019-04-04 | Novel bean product wastewater treatment system |
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| CN209835896U true CN209835896U (en) | 2019-12-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111499109A (en) * | 2020-04-29 | 2020-08-07 | 浙江佳人新材料有限公司 | Chemical fiber sewage treatment process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111499109A (en) * | 2020-04-29 | 2020-08-07 | 浙江佳人新材料有限公司 | Chemical fiber sewage treatment process |
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