CN205204944U - Pig farm liquid dung processing system - Google Patents

Pig farm liquid dung processing system Download PDF

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Publication number
CN205204944U
CN205204944U CN201520796089.7U CN201520796089U CN205204944U CN 205204944 U CN205204944 U CN 205204944U CN 201520796089 U CN201520796089 U CN 201520796089U CN 205204944 U CN205204944 U CN 205204944U
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CN
China
Prior art keywords
liquid dung
water
pressure filter
pig farm
treatment
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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.)
Expired - Fee Related
Application number
CN201520796089.7U
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Chinese (zh)
Inventor
周智
李文平
何纯莲
周春娇
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Hunan Xiangrun Environment Protection And Energy Saving Co Ltd
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Hunan Xiangrun Environment Protection And Energy Saving Co Ltd
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Priority to CN201520796089.7U priority Critical patent/CN205204944U/en
Application granted granted Critical
Publication of CN205204944U publication Critical patent/CN205204944U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a pig farm liquid dung processing system, including preceding processing module, reaction module, back processing module and the emission module that connects gradually, preceding processing module includes preliminary treatment pond and pretreatment pressure filter, and the preliminary treatment pond is used for collecting the liquid dung after filtering and subsiding, and the preliminary treatment pond is connected to the pretreatment pressure filter through drainage equipment, and a preliminary treatment after -bay is connected to the play water end (W. E. ) of pretreatment pressure filter, the reaction module includes the reaction tower, and the reaction tower is connected through equipment of intaking and preliminary treatment after -bay for liquid dung carries out the oxidation reaction, post processing module includes buffer pool and aftertreatment pressure filter, and the buffer pool is connected with the play water end (W. E. ) of reaction tower to the water end (W. E. ) connection emission module of aftertreatment pressure filter, aftertreatment pressure filter is connected to through drainage equipment. The utility model discloses simple structure, waste water treatment is fast, and throughput is strong, and the treatment effect is good, has improved liquid dung's treatment effeciency, and the cost of raising pigs of saving is suitable for the popularization and application that pig farm liquid dung handled.

Description

A kind of liquid dung of pig farm treatment system
Technical field
The utility model belongs to the treatment system relating to a kind of liquid dung of pig farm, belongs to environment protection pollutant processing technology field.
Background technology
Along with Economic development and growth in the living standard, China's pig industry is just towards intensive, large-scale development.Sending out along with industry; problem is also following; Large-scale pig farm ight soil, sewage quantity are large and concentrate; as the pig farm of 5000 pigs, produce about about 5 tons of pig manure every day, excrement and urine waste more than 50 ton; these pollutents very easily pollute the water body of periphery, soil and air; become the public hazards of neighbouring water body, soil and air and even farm crop, domestic animal and bird even may be allowed to catch, affect very severe.
Along with the enhancing of environmental consciousness, calendar year 2001, China promulgated " livestock and poultry breeding industry pollutant emission standard ", regulation livestock and poultry farms in scale fecal sewage must process up to standard after could discharge.
At present, domestic when processing Wastewater from Pig Farm main adopted be the methods such as coagulating sedimentation-deamination-aerobic biochemical, air supporting-stripping-anaerobic-anoxic-oxic-flocculation, solid-liquid separation-pulling flow type anaerobic filter-stabilization pond.But these methods are difficult to the cultivation requirement of satisfied modern mass-producing, need to adopt new technology and new technique, also to consider the overall operation cost on pig farm simultaneously, because pig industry is a small profit trade, take into account local nature, geographical, the resources advantages such as weather, existing water treatment system is adopted to reach emission standard, the time of process is longer, efficiency is lower, in addition, must understand the carrying out of piggery wastewater water quality characteristic, realize while carrying out process up to standard to liquid dung of pig farm recycling, while improve effects, reach the object economized on resources.
Utility model content
The technical problem that the utility model solves is: the deficiency that the cost for traditional pig manure water technology existence is high, and provide a kind of new liquid dung of pig farm treatment system, water treatment speed is fast, and process capacity is large, and treatment effect is good.
The utility model have employed following technical scheme:
A kind of liquid dung of pig farm treatment system, comprises the pre-processing module, reaction module, post-processing module and the discharge module that connect successively;
Described pre-processing module comprises pretreatment pool 1 and pre-treatment pressure filter 6, described pretreatment pool 1 is for collecting the liquid dung after filtration, and make the pollutent generation sedimentations such as N, the P in liquid dung, described pretreatment pool 1 is connected to pre-treatment pressure filter 6 by water-freeing arrangement, and the water side of described pre-treatment pressure filter 6 connects a pre-treatment after-bay 7;
Described reaction module comprises reaction tower 4, and described reaction tower 4 is connected with pre-treatment after-bay 7 by water inlet equipment, carries out oxidizing reaction for liquid dung;
Post-processing module comprises Buffer Pool 13 and aftertreatment pressure filter 12, described Buffer Pool 13 is connected with the water side of reaction tower 4, and being connected to aftertreatment pressure filter 12 by water-freeing arrangement, the water side of described aftertreatment pressure filter 12 connects discharge module, discharges after regulating the water pH value after process.
Further, described discharge module comprise connect successively milk of lime pond 11, oxidation pond 10 and pH regulator pond 9, described milk of lime pond 11 connects the water side of post-processing filtering machine 12 by water-freeing arrangement, and aerator is provided with in milk of lime pond 11, the water after process discharges from water side, pH regulator pond 9.
Further, described pretreatment pool 1 is connected with the first grug feeding jar 2, for adding sedimenting reagent.
Further, described reaction tower 4 is connected with the second grug feeding jar 3 and ozonizer 5 respectively, for adding reagent and ozone gas that oxidizing reaction occurs.
Further, described ozonizer 5 is provided with air compressor, refrigeration drying machine.
Further, described pH regulator pond 9 is connected with sour storage tank 8.
In the utility model, described water inlet equipment or water-freeing arrangement are water pump.
Further, the impeller for stirring all is installed in described pretreatment pool 1, pre-treatment after-bay 7, Buffer Pool 13 and reaction tower 4.
The feed-water end of described pretreatment pool 1 and pre-treatment after-bay 7 is all provided with the water intaking valve controlling liquid level.
In the utility model, described pre-treatment pressure filter 6 and aftertreatment pressure filter 12 adopt plate and frame(type)filter press, and at feed-water end, water side mounted valve respectively.
The utility model is for the process of Piggery manure water, propose the system that resistance method process liquid dung of pig farm falls in a kind of flocculation oxidation, after flocculation, press filtration, oxidizing reaction, press filtration, adjustment pH, reach the requirement of discharge livestock and poultry breeding industry pollutant emission standard, this cover system structure is simple, wastewater treatment speed is fast, processing power is strong, and treatment effect is good, improves the processing efficiency of liquid dung, the cost of raising pigs saved, is suitable for applying of liquid dung of pig farm process.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is comprising modules sketch of the present utility model.
Fig. 2 is each portion of the present utility model connection diagram.
Number in the figure: 1-pretreatment pool, 2-first grug feeding jar, 3-second grug feeding jar, 4-reaction tower, 5-ozonizer, 6-pre-treatment pressure filter, 7-pre-treatment after-bay, 8-acid storage tank, 9-PH equalizing tank, 10-oxidation pond, 11-milk of lime pond, 12-aftertreatment pressure filter, 13-Buffer Pool.
Embodiment
Embodiment
In conjunction with see Fig. 1 and Fig. 2, the liquid dung of pig farm treatment system of the present embodiment mainly comprises pre-processing module, reaction module, post-processing module and discharge module four major part connected successively, wherein, pre-processing module comprises pretreatment pool 1, first grug feeding jar 2, pre-treatment pressure filter 6 and pre-treatment after-bay 7, reaction module comprises reaction tower 4, second grug feeding jar 3 and ozonizer 5, post-processing module comprises Buffer Pool 13 and aftertreatment pressure filter 12, and discharge module comprises milk of lime pond 11, oxidation pond 10, pH regulator pond 9 and sour storage tank 8.
Pretreatment pool 1 is for collecting the liquid dung after filtration, and make the pollutent generation sedimentations such as N, the P in liquid dung, pretreatment pool 1 is connected with the first grug feeding jar 2, for adding sedimenting reagent, pretreatment pool 1 is connected to pre-treatment pressure filter 6 by water-freeing arrangement, the water side of pre-treatment pressure filter 6 connects pre-treatment after-bay 7, reaction tower 4 is connected with pre-treatment after-bay 7 by water inlet equipment, oxidizing reaction is carried out for liquid dung, reaction tower 4 is connected with the second grug feeding jar 3 and ozonizer 5 respectively, for adding reagent and ozone gas that oxidizing reaction occurs; Buffer Pool 13 is connected with the water side of reaction tower 4, and is connected to aftertreatment pressure filter 12 by water-freeing arrangement.Milk of lime pond 11, oxidation pond 10 are connected successively with pH regulator pond 9, milk of lime pond 11 connects the water side of post-processing filtering machine 12 by water-freeing arrangement, and aerator is provided with in milk of lime pond 11, the water after process is from the discharge of water side, pH regulator pond 9, and pH regulator pond 9 is connected with sour storage tank 8.
Impeller for stirring all being installed in pretreatment pool 1, pre-treatment after-bay 7, Buffer Pool 13 and reaction tower 4, sewage rapid reaction or sedimentation can be accelerated.
In the utility model, water inlet equipment or water-freeing arrangement are water pump, are all provided with at the feed-water end of pretreatment pool 1 and pre-treatment after-bay 7 water intaking valve controlling liquid level.
In the utility model, pre-treatment pressure filter 6 and aftertreatment pressure filter 12 adopt plate and frame(type)filter press, and at feed-water end, water side mounted valve respectively.
Concrete in the present embodiment, concrete effect of above-mentioned parts and size as follows:
Pretreatment pool, collects liquid dung after filtering, adds friction reducer, coagulation agent and flocculation agent, make the pollutent generation sedimentations such as N, the P in liquid dung;
Specification: 6.0mx4.0mx2.3m, 2;
Useful volume: 48m3;
Available depth: 2.0m;
Process residence time: 90min;
Major equipment: water intaking valve, impeller, dosing valve, water pump.
First grug feeding jar/the second grug feeding jar, stores that friction reducer is poly-, flocculation agent and oxidizing reaction reagent respectively;
Specification: Ф 1.0mx1.5m, 2;
Useful volume: 1.2m3;
Pre-treatment pressure filter/aftertreatment pressure filter, carries out solid-liquid separation by the fecal sewage after pretreatment pool process;
Major equipment: water intaking valve, press filtration control device, water pump.
Pre-treatment after-bay, stores liquid dung after Filter Press, is connected with reaction tower;
Specification: 5.0mx4.0mx2.3m, 1;
Useful volume: 40m3;
Available depth: 2.0m;
Process residence time: 90min;
Major equipment: water intaking valve, water pump.
Reaction tower, carries out oxidizing reaction by water after pretreatment, reduces COD;
Major equipment: water intaking valve, impeller (whipping appts), dosing valve, water pump;
Specification: Ф 3.6mx5m, 2;
Useful volume: 33.9m3.
Ozonizer, prepares ozone, carries out oxidizing reaction for oxidation reaction tower;
Major equipment: air compressor, gas-holder, refrigeration drying machine, the wherein ozone prepared for storing ozonizer of gas-holder, carry out oxidizing reaction, gas-holder specification for oxidation reaction tower: Ф 1.0mx4m, 1, useful volume 3m3.
Buffer Pool, carries out further settlement treatment by the water after reaction tower oxide treatment;
Major equipment: water intaking valve, impeller, spoil disposal valve, water pump;
Specification: 8.0mx4.0mx2.3m, 1;
Useful volume: 64m3.
Milk of lime pond, Buffer Pool water through after the filtrate of Filter Press carry out pH regulator with milk of lime, and aeration;
Major equipment: water intaking valve, aerator, water pump;
Specification: 6.0mx12mx2.3m, 1;
Useful volume: 144m3.
Oxidation pond, stores the water liquid after the aeration of milk of lime pond, leaves standstill release CO2;
Specification: 80mx80mx2.0m, 1;
Useful volume: 12800m3.
PH value equalizing tank, carries out pH value adjustment, qualified discharge to oxidation pond water out;
Major equipment: water intaking valve, water shoot, sour storage tank; (wherein sour tank size: Ф 1.0mx1.5m, 1; Acid tank useful volume: 1.1m3)
Specification: 8.0mx8.0mx2.0m, 1;
Useful volume: 128m3.
By the liquid dung after the present embodiment process, can chemical oxygen demand (COD) (CODcr) and biological aerobic (BOD) on the five in reduction liquid dung at lower cost, these two indexs are less than 400mg/L and 150mg/L respectively, remove the suspended substance (being less than 200mg/L) in liquid dung completely, and make total phosphorus, total nitrogen content is less than 8mg/L and 80mg/L respectively, excrement colibacillus group number is less than 1000mg/L, roundworm number is less than 2/L, finally reach " livestock and poultry breeding industry pollutant emission standard GB18596-2001 " requirement, can legal discharge, the liquid dung practical application treatment effect of the present embodiment is as shown in table 1.
Project Emission standard Former liquid dung After process
PH 6~9 7~9 8.22
COD Cr(mg/L) ≤400 15000‐20000 95.6
NH3‐N(mg/L) ≤80 1200‐3500 29.8
BOD 3(mg/L) ≤150 4500 7.5
SS(mg/L) ≤200 3500 5
TP(mg/L) ≤8.0 600 0.1
Excrement colibacillus group number (mg/L) ≤1000 10000 100
Roundworm egg (individual/L) 2.0 100 0
Table 1 materialization ammonia nitrogen removal oxidation coagulation flocculence table
Embodiment above describes ultimate principle of the present utility model and principal character and advantage of the present utility model, the technician of the industry should understand, the utility model is not restricted to the described embodiments, what describe in above-described embodiment and specification sheets just illustrates specific works principle of the present utility model, under the prerequisite not departing from the utility model spirit and scope, the utility model also has various changes and modifications, these changes and improvements all fall within the scope of claimed the utility model, the claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims (10)

1. a liquid dung of pig farm treatment system, is characterized in that: comprise the pre-processing module, reaction module, post-processing module and the discharge module that connect successively;
Described pre-processing module comprises pretreatment pool (1) and pre-treatment pressure filter (6), described pretreatment pool (1) is for collecting the liquid dung after filtration, and make the pollutent generation sedimentations such as N, the P in liquid dung, described pretreatment pool (1) is connected to pre-treatment pressure filter (6) by water-freeing arrangement, and the water side of described pre-treatment pressure filter (6) connects a pre-treatment after-bay (7);
Described reaction module comprises reaction tower (4), and described reaction tower (4) is connected with pre-treatment after-bay (7) by water inlet equipment, carries out oxidizing reaction for liquid dung;
Post-processing module comprises Buffer Pool (13) and aftertreatment pressure filter (12), described Buffer Pool (13) is connected with the water side of reaction tower (4), and be connected to aftertreatment pressure filter (12) by water-freeing arrangement, the water side of described aftertreatment pressure filter (12) connects discharge module, discharges after regulating the water pH value after process.
2. a kind of liquid dung of pig farm treatment system according to claim 1, described discharge module comprise connect successively milk of lime pond (11), oxidation pond (10) and pH regulator pond (9), described milk of lime pond (11) connects the water side of post-processing filtering machine (12) by water-freeing arrangement, and aerator is provided with in milk of lime pond (11), the water after process discharges from pH regulator pond (9) water side.
3. a kind of liquid dung of pig farm treatment system according to claim 2, described pretreatment pool (1) is connected with the first grug feeding jar (2), for adding sedimenting reagent.
4. a kind of liquid dung of pig farm treatment system according to claim 3, described reaction tower (4) is connected with the second grug feeding jar (3) and ozonizer (5) respectively, for adding reagent and ozone gas that oxidizing reaction occurs.
5. a kind of liquid dung of pig farm treatment system according to claim 4, described ozonizer (5) is provided with air compressor, refrigeration drying machine.
6. a kind of liquid dung of pig farm treatment system according to claim 2, described pH regulator pond (9) is connected with sour storage tank (8).
7. a kind of liquid dung of pig farm treatment system according to claim 1 and 2, described water inlet equipment or water-freeing arrangement are water pump.
8. a kind of liquid dung of pig farm treatment system according to claim 7, is all provided with the impeller for stirring in described pretreatment pool (1), pre-treatment after-bay (7), Buffer Pool (13) and reaction tower (4).
9. a kind of liquid dung of pig farm treatment system according to claim 8, the feed-water end of described pretreatment pool (1) and pre-treatment after-bay (7) is all provided with the water intaking valve controlling liquid level.
10. a kind of liquid dung of pig farm treatment system according to claim 1, described pre-treatment pressure filter (6) and aftertreatment pressure filter (12) adopt plate and frame(type)filter press, and at feed-water end, water side mounted valve respectively.
CN201520796089.7U 2015-10-14 2015-10-14 Pig farm liquid dung processing system Expired - Fee Related CN205204944U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520796089.7U CN205204944U (en) 2015-10-14 2015-10-14 Pig farm liquid dung processing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520796089.7U CN205204944U (en) 2015-10-14 2015-10-14 Pig farm liquid dung processing system

Publications (1)

Publication Number Publication Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106517579A (en) * 2016-11-23 2017-03-22 青海七彩花生物科技有限公司 Livestock and poultry waste water treatment device and treatment method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106517579A (en) * 2016-11-23 2017-03-22 青海七彩花生物科技有限公司 Livestock and poultry waste water treatment device and treatment method

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160504

Termination date: 20181014

CF01 Termination of patent right due to non-payment of annual fee