CN211141774U - Utilize fly ash to handle breed sewage's breed sewage treatment system - Google Patents
Utilize fly ash to handle breed sewage's breed sewage treatment system Download PDFInfo
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- CN211141774U CN211141774U CN201921296400.6U CN201921296400U CN211141774U CN 211141774 U CN211141774 U CN 211141774U CN 201921296400 U CN201921296400 U CN 201921296400U CN 211141774 U CN211141774 U CN 211141774U
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- 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
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Abstract
A system for treating aquaculture sewage by utilizing fly ash comprises a septic tank, a solid-liquid separation device, a pulping tank, an adsorption treatment device, a sterilization device and a sludge collecting tank, wherein the adsorption treatment device comprises a first treatment tank, a second treatment tank, a third treatment tank, a fourth treatment tank and a fifth treatment tank which are sequentially connected, the aquaculture sewage enters the adsorption treatment device to be adsorbed with fly ash slurry, the fly ash has rich internal pores and large specific surface area, and has strong capacity of adsorbing and flocculating pollutants, so that the system can effectively decolor and deodorize, remove microorganisms such as organic matters, heavy metal ions and bacteria, suspended colloidal impurities and the like in water, achieve the aim of purifying water, realize the secondary utilization of solid waste, reduce the sewage treatment cost, effectively reduce the COD value and chromaticity in the sewage after the aquaculture sewage is subjected to five-stage adsorption treatment, and can recycle the effluent water quality, reduces the environmental pollution and saves the use amount of water resources.
Description
Technical Field
The utility model belongs to breed sewage treatment field, concretely relates to utilize fly ash to handle breed sewage's breed sewage treatment system.
Background
The breeding industry is a micro-profit industry, breeding operators cannot bear a high-investment sewage treatment mode, the problem of water pollution caused by direct discharge of a large amount of breeding sewage is becoming serious day by day, and meanwhile, the use amount of water resources is continuously increased and is upgraded in contradiction with relative scarcity of the water resources, so that the development of resource utilization of the breeding sewage becomes very important. The resource utilization of the sewage of the breeding plants is a scientific, commercialized and pollution-free breeding mode which is gradually developed along with the technological progress.
The conventional methods for treating the aquaculture sewage comprise a chemical method and a biochemical method, which have the defects, on one hand, the addition of a chemical flocculant is a main chemical method, the method is easy to generate secondary pollution, such as Polyacrylamide (PAM), a monomer of the polyacrylamide has neurotoxicity and teratogenic, carcinogenic and mutagenic 'triple-induced' effects, the use of the polyacrylamide is limited, and the polyacrylamide has harsh synthesis conditions, high price, short storage period and difficult dissolution. On the other hand, the biochemical method mainly utilizes the metabolism of microorganisms to degrade organic matters in the sewage into inorganic matters such as carbon dioxide, water, sulfate and the like, and the decomposition of the organic matters is also a waste of resources.
The fly ash is the main solid waste of coal-fired power plants, and a large amount of fly ash is accumulated and discarded, so that the serious waste of resources is caused, and further improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects of the prior art and providing a breeding sewage treatment system for treating breeding sewage by utilizing fly ash.
The utility model adopts the following technical scheme:
a system for treating aquaculture sewage by using fly ash comprises:
the manure collecting tank is used for collecting manure generated by a farm;
the solid-liquid separation device is connected with the septic tank and is used for carrying out solid-liquid separation on the excrement collected by the septic tank;
the pulping tank is used for preparing fly ash slurry;
the adsorption treatment device is used for treating separated liquid after solid-liquid separation and comprises a first treatment tank, a second treatment tank, a third treatment tank, a fourth treatment tank and a fifth treatment tank which are sequentially connected, wherein each treatment tank comprises a liquid inlet, a liquid outlet and a sewage draining exit, the liquid outlet of the former treatment tank is connected with the liquid inlet of the latter treatment tank, the sewage draining exits of the second treatment tank and the fourth treatment tank are connected with the liquid inlet of the first treatment tank, the sewage draining exit of the third treatment tank is connected with the liquid inlet of the second treatment tank, the sewage draining exit of the fifth treatment tank is connected with the liquid inlet of the fourth treatment tank, the solid-liquid separation device is connected with the liquid inlet of the first treatment tank, and the pulping tank is respectively connected with the liquid inlets of the first treatment tank, the second treatment tank, the third treatment tank, the fourth treatment tank and the fifth treatment tank;
the sterilizing device is connected with a liquid outlet of the fifth treatment tank and is used for sterilizing the separation liquid after adsorption treatment for recycling or directly discharging;
and the sludge collecting tank is connected with a sewage discharge outlet of the first treatment tank and used for collecting sludge generated by the adsorption treatment device.
And the sludge treatment device is connected with the sludge collection tank, and the dehydration device is connected with the sterilization device, dehydrates the sludge and sends liquid generated by dehydration into the sterilization device for sterilization so as to recycle or directly discharge.
Further, the device also comprises an aerobic fermentation device, wherein the aerobic fermentation device is respectively connected with the solid-liquid separation device and the dehydration device, and is used for carrying out aerobic fermentation on the solid dirt generated by the solid-liquid separation device and the solid sludge generated by the dehydration device.
Further, the dewatering device is a slurry dewatering machine.
Furthermore, the pulping tanks are connected with the liquid inlets of the treatment tanks through conveying pipelines, and the conveying pipelines are provided with control valves for controlling the flow of the fly ash slurry.
Further, the device also comprises a water outlet pool, wherein the water outlet pool is connected with the sterilizing device and used for storing the separation liquid sterilized by the sterilizing device.
Further, the sterilization device is an ultraviolet sterilization device or an ultrasonic sterilization device.
It can be known from the above description of the present invention, compared with the prior art, the beneficial effects of the present invention are: the culture sewage enters an adsorption treatment device to be adsorbed with the fly ash slurry, the fly ash has rich internal pores, large specific surface area and strong capacity of adsorbing and flocculating pollutants, and contains a large amount of oxides such as Al2O3、SiO2And Fe2O3The fly ash is used for treating sewage, so that the sewage can be effectively decolored and deodorized, microorganisms such as organic matters, heavy metal ions and bacteria, suspended colloidal impurities and the like in the sewage are removed, the aim of purifying a water body is achieved, the secondary utilization of solid waste is realized, the sewage treatment cost is reduced, the adsorption treatment device comprises five treatment tanks which are sequentially connected, after the culture sewage is subjected to five-stage adsorption treatment, the COD value and the chromaticity in the sewage can be effectively reduced, the effluent quality can be recycled, the environmental pollution is reduced, and the using amount of water resources is saved;
the sewage outlets of the second treatment tank and the fourth treatment tank are connected with the liquid inlet of the first treatment tank, the sewage outlet of the third treatment tank is connected with the liquid inlet of the second treatment tank, the sewage outlet of the fifth treatment tank is connected with the liquid inlet of the fourth treatment tank, when the system is in a circulating state, the fly ash slurry respectively enters the third treatment tank and the fifth treatment tank, the fly ash slurry once utilized by the third treatment tank is returned to the second treatment tank for reuse, the fly ash slurry once utilized by the fifth treatment tank is returned to the fourth treatment tank for reuse, the fly ash slurry secondarily utilized by the second treatment tank and the fourth treatment tank is returned to the first treatment tank for reuse, the cyclic utilization of the fly ash is realized, the sewage treatment cost is reduced, the solid obtained after the fly ash slurry which is utilized for three times in the first treatment tank is dehydrated and is subjected to solid-liquid separation with feces, and aerobic composting, the produced carbon-based organic fertilizer can be used for soil remediation, realizes resource utilization of organic matters in sewage, and avoids resource waste;
the utility model provides a sewage treatment plant, overall structure is simple, but sewage direct cycle uses after adsorption treatment, and the fly ash mud that produces after adsorption treatment can produce charcoal base fertilizer through aerobic fermentation after, is used for restoreing soil, realizes the all-round use to the resource, stops the waste of resource.
Drawings
FIG. 1 is a schematic flow diagram of sewage treatment;
FIG. 2 is a schematic flow chart of the adsorption treatment by the adsorption treatment apparatus;
in the figure, 1-a septic tank, 2-a solid-liquid separation device, 3-a pulping tank, 4-an adsorption treatment device, 5-a sterilization device, 6-a sludge collection tank, 7-a dehydration device, 8-an aerobic fermentation device, 9-a water outlet tank, 41-a first treatment tank, 42-a second treatment tank, 43-a third treatment tank, 44-a fourth treatment tank, 45-a fifth treatment tank, 46-a liquid delivery pipe, 47-a sewage delivery pipe, 48-a delivery pipeline and 49-a control valve.
Detailed Description
The present invention will be further described with reference to the following detailed description.
Referring to fig. 1 to 2, a cultivation sewage treatment system for treating cultivation sewage by using fly ash comprises a septic tank 1, a solid-liquid separation device 2, a pulping tank 3, an adsorption treatment device 4, a sterilization device 5, a sludge collection tank 6, a dehydration device 7, an aerobic fermentation device 8 and a water outlet tank 9.
The septic tank 1 is used for collecting manure generated by a farm.
Solid-liquid separation device 2 is connected with collection manure pit 1, carries out solid-liquid separation to the excrement dirt that collection manure pit 1 was collected, obtains separation liquid and solid filth, and solid-liquid separation device 2 is the solid-liquid separation device that sewage treatment system was used commonly, and this no longer gives details further on its concrete structure.
The pulping tank 3 is used for preparing fly ash slurry, the mass ratio of fly ash to water in the fly ash slurry is 1:8-10, specifically, the mass ratio of fly ash to water is 1: 9 hours, the fly ash slurry has the best sewage treatment effect, the fly ash has rich internal pores, large specific surface area and strong capability of adsorbing and flocculating pollutants, and contains a large amount of oxides such as Al2O3、SiO2And Fe2O3The fly ash slurry and the sewage are subjected to adsorption treatment, impurities in the sewage are adsorbed on the fly ash to form sludge.
The separation liquid after solid-liquid separation is treated by the adsorption treatment device 4, which comprises a first treatment tank 41, a second treatment tank 42, a third treatment tank 43, a fourth treatment tank 44 and a fifth treatment tank 45 which are connected in sequence, wherein each treatment tank comprises a liquid inlet, a liquid outlet and a sewage draining exit, the liquid outlet of the former treatment tank is connected with the liquid inlet of the latter treatment tank, the sewage draining exits of the second treatment tank 42 and the fourth treatment tank 44 are connected with the liquid inlet of the first treatment tank 41, the sewage draining exit of the third treatment tank 43 is connected with the liquid inlet of the second treatment tank 42, the sewage draining exit of the fifth treatment tank 45 is connected with the liquid inlet of the fourth treatment tank 44, the solid-liquid separation device 2 is connected with the liquid inlet of the first treatment tank 41, the pulp making tank 3 is respectively connected with the liquid inlets of the first treatment tank 41, the second treatment tank 42, the third treatment tank 43, the fourth treatment tank 44 and the fifth treatment tank 45, in particular, the liquid outlet of the former treatment tank is connected with the liquid inlet of the latter treatment tank 46, the liquid inlet of the first treatment tank 41 is also connected with the solid-liquid separation device 2 through a liquid feeding pipe 46; the pulping tank 3 is connected with the liquid inlet of each treatment tank through a conveying pipeline 48, and a control valve 49 for controlling the flow of the coal-dust slurry is arranged on the conveying pipeline 48; the drain of the second treatment tank 42 and the drain of the fourth treatment tank 44 are connected with the liquid inlet of the first treatment tank 41 through a sewage conveying pipe 47, the drain of the third treatment tank 43 is connected with the liquid inlet of the second treatment tank 42, the drain of the fifth treatment tank 45 is connected with the liquid inlet of the fourth treatment tank 44 through a sewage conveying pipe 47, and further, during adsorption treatment, separation liquid and fly ash slurry in the treatment tank are stirred and mixed firstly, then stand and precipitate, and supernatant after precipitation enters the next treatment tank to be subjected to adsorption treatment again.
When the system is in an initial state, the fly ash slurry in the pulping tank 3 respectively enters a first treatment tank 41, a second treatment tank 42, a third treatment tank 43, a fourth treatment tank 44 and a fifth treatment tank 45 to be adsorbed with the separation liquid, the fly ash slurry once used by the second treatment tank 42 and the fourth treatment tank 44 is returned to the first treatment tank 41 to be reused, the fly ash slurry once used by the third treatment tank 43 is returned to the second treatment tank 42 to be reused, the fly ash once used by the fifth treatment tank 45 is returned to the fourth treatment tank 44 to be reused, the fly ash slurry once used and secondarily used in the first treatment tank 41 is sent to the sludge collection pool 6, specifically, the volume ratio of the fly ash slurry added in the first treatment tank 41, the second treatment tank 42, the third treatment tank 43, the fourth treatment tank 44 and the fifth treatment tank 45 to the separation liquid in each treatment tank is 0.9-1.1: and 24, further, when the volume ratio of the added fly ash slurry to the separation liquid in the treatment tank is 1:24, the adsorption treatment effect is optimal.
When the system is in a circulating state, the fly ash slurry in the pulping tank 3 respectively enters a third treatment tank 43 and a fifth treatment tank 45, the fly ash slurry once used by the third treatment tank 43 is returned to the second treatment tank 42 for reuse, the fly ash slurry once used by the fifth treatment tank 45 is returned to the fourth treatment tank 44 for reuse, the fly ash slurry twice used by the second treatment tank 42 and the fourth treatment tank 44 is returned to the first treatment tank 41 for reuse, the fly ash slurry three times used by the first treatment tank 41 is sent to the sludge collection pool 6, and specifically, the volume ratio of the fly ash slurry added into the third treatment tank 43 and the fifth treatment tank 45 to the separation liquid in each treatment tank is 0.9-1.1: and 24, further, when the volume ratio of the added fly ash slurry to the separation liquid in the treatment tank is 1:24, the adsorption treatment effect is optimal.
The sterilization device 5 is connected with a liquid outlet of the fifth treatment tank 45, and sterilizes the separation liquid after the adsorption treatment for recycling or direct discharge, specifically, the sterilization device 5 is an ultraviolet sterilization device or an ultrasonic sterilization device.
The sludge collecting tank 6 is connected with a sewage discharge port of the first treatment tank 41 and collects sludge generated by the adsorption treatment device 4.
The dehydration device 7 is respectively connected with the sludge collection tank 6 and the sterilization device 5, dehydrates the sludge and sends the liquid generated by dehydration into the sterilization device 5 for sterilization and recycling or direct discharge, and specifically, the dehydration device 7 is a slurry dehydrator.
The aerobic fermentation device 8 is respectively connected with the solid-liquid separation device 2 and the dehydration device 7, the solid dirt generated by the solid-liquid separation device 2 and the solid sludge generated by the dehydration device 4 are subjected to aerobic fermentation, and the solid dirt and the solid sludge are mixed and subjected to aerobic fermentation by the aerobic fermentation device 8 to produce the carbon-based organic fertilizer which can be used for soil remediation.
The water outlet pool 9 is connected with the sterilization device 5 and used for collecting separation liquid after sterilization treatment, and the separation liquid can be used as flushing water to flush excrement generated by a farm and can also be directly discharged.
A method for treating aquaculture sewage by using fly ash comprises the following steps:
step one, feeding the feces collected by the septic tank 1 into a solid-liquid separation device 2 for solid-liquid separation, and keeping the separated solid feces for later use;
step two, sending the separation liquid obtained by the separation of the solid-liquid separation device 2 into an adsorption treatment device 4 to be adsorbed with the fly ash slurry;
and step three, sending the separation liquid after adsorption treatment into a sterilization device 5 for sterilization, then recycling or directly discharging, dehydrating sludge generated by the adsorption treatment device, mixing the sludge with the solid dirt obtained in the step one, and performing aerobic fermentation to obtain the carbon-based organic fertilizer.
The utility model provides a sewage treatment plant, overall structure is simple, carry out adsorption treatment through making fly ash thick liquid with sewage with fly ash, reach the purpose of purifying water, the reutilization of solid useless has been realized, the sewage treatment cost is reduced, adsorption treatment device 4 is including five treatment tanks that connect gradually, breed sewage and after adsorption treatment device's five-stage adsorption treatment, effectively reduce COD value and colourity in the sewage, go out water quality of water circulated use, environmental pollution has been reduced, the use amount of water resource has been practiced thrift, and sewage can direct cyclic utilization after adsorption treatment, and the solid filth that obtains after fly ash mud that produces after adsorption treatment and the excrement solid-liquid separation participates in good oxygen compost, can produce charcoal base fertilizer, be used for restoring soil, realize the all-round use to the resource, stop the waste of resource.
The sewage outlets of the second treatment tank 42 and the fourth treatment tank 44 are connected with the liquid inlet of the first treatment tank 41, the sewage outlet of the third treatment tank 43 is connected with the liquid inlet of the second treatment tank 42, the sewage outlet of the fifth treatment tank 45 is connected with the liquid inlet of the fourth treatment tank 44, when the system is in a circulating state, the fly ash slurry respectively enters the third treatment tank 43 and the fifth treatment tank 45, the fly ash slurry once utilized by the third treatment tank 43 is returned to the second treatment tank 42 for reuse, the fly ash slurry once utilized by the fifth treatment tank 45 is returned to the fourth treatment tank 44 for reuse, the fly ash slurry secondarily utilized by the second treatment tank 42 and the fourth treatment tank 44 is returned to the first treatment tank 41 for reuse, the cyclic utilization of the fly ash is realized, and the sewage treatment cost is reduced.
The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited thereby, and all equivalent changes and modifications made within the scope of the claims and the specification should be considered within the scope of the present invention.
Claims (7)
1. The utility model provides an utilize fly ash to handle breed sewage treatment system of breeding sewage which characterized in that: the method comprises the following steps:
the manure collecting tank is used for collecting manure generated by a farm;
the solid-liquid separation device is connected with the septic tank and is used for carrying out solid-liquid separation on the excrement collected by the septic tank;
the pulping tank is used for preparing fly ash slurry;
the adsorption treatment device is used for treating separated liquid after solid-liquid separation and comprises a first treatment tank, a second treatment tank, a third treatment tank, a fourth treatment tank and a fifth treatment tank which are sequentially connected, wherein each treatment tank comprises a liquid inlet, a liquid outlet and a sewage draining exit, the liquid outlet of the former treatment tank is connected with the liquid inlet of the latter treatment tank, the sewage draining exits of the second treatment tank and the fourth treatment tank are connected with the liquid inlet of the first treatment tank, the sewage draining exit of the third treatment tank is connected with the liquid inlet of the second treatment tank, the sewage draining exit of the fifth treatment tank is connected with the liquid inlet of the fourth treatment tank, the solid-liquid separation device is connected with the liquid inlet of the first treatment tank, and the pulping tank is respectively connected with the liquid inlets of the first treatment tank, the second treatment tank, the third treatment tank, the fourth treatment tank and the fifth treatment tank;
the sterilizing device is connected with a liquid outlet of the fifth treatment tank and is used for sterilizing the separation liquid after adsorption treatment for recycling or directly discharging;
and the sludge collecting tank is connected with a sewage discharge outlet of the first treatment tank and used for collecting sludge generated by the adsorption treatment device.
2. The system for treating aquaculture sewage by using fly ash as claimed in claim 1, wherein: the sludge collection tank is connected with a dewatering device, the dewatering device is connected with a sterilizing device, and is used for dewatering the sludge and sending liquid generated by dewatering into the sterilizing device for sterilization or direct discharge.
3. The system for treating aquaculture sewage by using fly ash as claimed in claim 2, wherein: the aerobic fermentation device is respectively connected with the solid-liquid separation device and the dehydration device, and performs aerobic fermentation on the solid dirt generated by the solid-liquid separation device and the solid sludge generated by the dehydration device.
4. The system for treating aquaculture sewage by using fly ash as claimed in claim 2, wherein: the dewatering device is a slurry dewatering machine.
5. The system for treating aquaculture sewage using fly ash as claimed in claim 1, 2, 3 or 4, wherein: the pulping tanks are connected with the liquid inlets of the treatment tanks through conveying pipelines, and the conveying pipelines are provided with control valves for controlling the flow of the coal powder slurry.
6. The system for treating aquaculture sewage using fly ash as claimed in claim 1, 2, 3 or 4, wherein: the device also comprises a water outlet pool, wherein the water outlet pool is connected with the sterilizing device and used for storing the separation liquid sterilized by the sterilizing device.
7. The system for treating aquaculture sewage using fly ash as claimed in claim 1, 2, 3 or 4, wherein: the sterilization device is an ultraviolet sterilization device or an ultrasonic sterilization device.
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| CN201921296400.6U CN211141774U (en) | 2019-08-09 | 2019-08-09 | Utilize fly ash to handle breed sewage's breed sewage treatment system |
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| CN201921296400.6U CN211141774U (en) | 2019-08-09 | 2019-08-09 | Utilize fly ash to handle breed sewage's breed sewage treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110407349A (en) * | 2019-08-09 | 2019-11-05 | 北京誉铧生物科技有限公司 | A kind of method and aquaculture wastewater processing system using flyash processing aquaculture wastewater |
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2019
- 2019-08-09 CN CN201921296400.6U patent/CN211141774U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110407349A (en) * | 2019-08-09 | 2019-11-05 | 北京誉铧生物科技有限公司 | A kind of method and aquaculture wastewater processing system using flyash processing aquaculture wastewater |
| CN110407349B (en) * | 2019-08-09 | 2024-01-09 | 北京誉铧生物科技有限公司 | Method for treating aquaculture sewage by using fly ash and aquaculture sewage treatment system |
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