CN209368058U - A kind of breeding wastewater zero-discharge treatment system - Google Patents

A kind of breeding wastewater zero-discharge treatment system Download PDF

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Publication number
CN209368058U
CN209368058U CN201821662358.0U CN201821662358U CN209368058U CN 209368058 U CN209368058 U CN 209368058U CN 201821662358 U CN201821662358 U CN 201821662358U CN 209368058 U CN209368058 U CN 209368058U
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reaction tank
biolak
tank
black film
generating pit
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CN201821662358.0U
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胡振华
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Guangdong Tian Ze Environmental Protection Technology Co Ltd
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Guangdong Tian Ze Environmental Protection Technology Co Ltd
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Abstract

The utility model relates to field of waste water treatment, more particularly to a kind of breeding wastewater zero-discharge treatment system, including sequentially connected grid collecting-tank, solid-liquid separation tank, black film methane-generating pit, A/O reaction tank, Biolak reaction tank, sedimentation basin, oxidation pond, storage slag bath, the outlet of the black film methane-generating pit is connected with the import of A/O reaction tank by pipeline, and water-sealed pump A is equipped in pipeline;The Biolak reaction tank is equipped with several pipelines, including the float tube being suspended on the reaction tank water surface, and it is suspended on the stretched wire in float tube, the Biolak reaction tank is equipped with several aerators, the aerator is connected to the stretched wire, the aerator is equipped with several apertures of supplying gas, and is equipped with agitating device in the Biolak reaction tank, the utility model save the cost, high treating effect, stable.

Description

A kind of breeding wastewater zero-discharge treatment system
Technical field
The utility model relates to field of waste water treatment, more particularly to a kind of breeding wastewater zero-discharge treatment system.
Background technique
Aquaculture is the important industry of China's rural development;In recent years, with the continuous expansion of cultivation scale, raising number Amount sharply increases so that a large amount of swine manure wastewater becomes pollution sources, the waste discharge that farm generates cause surface water, The serious pollution of underground water, soil and surrounding air directly affects the health of people, contains in untreated waste A large amount of polluters, it is a large amount of to consume in water body if such organic wastewater is directly discharged into or enters river,lake and reservior with rain drop erosion Dissolved oxygen keeps water body blackening smelly, causes water pollution.The pollution that these farms generate cannot such as be handled in time, will It does great harm to the environment, cause the deterioration of the ecological environment, animal products quality decline and jeopardizes human health, aquaculture pollution The lag of Treatment process will seriously restrict the sustainable development of aquaculture.
Breeding wastewater has many characteristics, such as that displacement is big, organic matter concentration is high and nitrogen and phosphorus constituent content height, in sewage often The characteristics of with pollutants such as disinfectant, heavy metal, remaining veterinary drug and various infecting both domestic animals and human pathogen, processing difficulty are supported greatly Fish-farming with sewage sewage is grown with typical " three high " feature, i.e. organic concentration is high, and COD is up to 3000-12000mg/l, ammonia nitrogen Up to 800-2200mg/l, the exceeded decades of times of ss suspended solid, biodegradability is general, and stink is big, rinses drain time and concentrates, impact Load is big, and processing difficulty is big.
Since livestock and poultry cultivation belongs to a low cost, low profit industry, unbearable excessively high pollutant process cost, because And most of farms generally use easy processing mode to breeding wastewater: such as oxidation pond, discharges, place at precipitating naturally Waste water has the shortcomings that compliance rate is low and unstable after reason.Traditional processing technique means processing cost is high, going out after processing Water stink weight, salinity are high, can not be recycling in forest land pouring etc..
Utility model content
To solve the above problems, the utility model provides a kind of breeding wastewater zero-discharge treatment system, save the cost, place It is good, stable to manage effect.
The technical solution adopted in the utility model is: a kind of breeding wastewater zero-discharge treatment system, including sequentially connected Grid collecting-tank, solid-liquid separation tank, black film methane-generating pit, A/O reaction tank, Biolak reaction tank, sedimentation basin, oxidation pond, storage slag bath, The outlet of the black film methane-generating pit is connected with the import of A/O reaction tank by pipeline, and water-sealed pump A is equipped in pipeline;It is described Biolak reaction tank is equipped with several pipelines, including the float tube being suspended on the reaction tank water surface, and the stretched wire being suspended in float tube, The Biolak reaction tank is equipped with several aerators, and the aerator is connected to the stretched wire, if the aerator is equipped with Dry aperture of supplying gas, the Biolak reaction tank is interior to be equipped with agitating device.
Further improvement to above-mentioned technical proposal is that the black film methane-generating pit is set as a cubic metre of earth structure, the earthwork structure The inside backfill free from admixture earthwork, the black film methane-generating pit is interior to be equipped with mixing stirring device, filter screen.
Further improvement to above-mentioned technical proposal is, the outlet of the A/O reaction tank anaerobic pond and aerobic tank Entrance is connected by pipeline, and water-sealed pump B is equipped in pipeline, and aerator is equipped in the A/O reaction tank aerobic tank.
Further improvement to above-mentioned technical proposal is that the sedimentation basin is equipped with administration device and blower, the sedimentation basin Bottom is equipped with perforated pipe, is connected to blower.
Further improvement to above-mentioned technical proposal is that the storage slag bath is equipped with sludge concentration device, sludge compression set.
The beneficial effects of the utility model are as follows:
1, including sequentially connected grid collecting-tank, solid-liquid separation tank, black film methane-generating pit, A/O reaction tank, Biolak react Breeding wastewater is successively passed through grid collecting-tank, it is miscellaneous to filter out bulky grain by pond, sedimentation basin, oxidation pond, storage slag bath, the utility model Matter reduces the pressure and cost of subsequent processing, and then waste water enters the separation of solid-liquid pond, removes large granular impurity, further decreases The pressure and processing cost of subsequent processing steps, enter back into black film methane-generating pit, and Anaerobic Treatment uses black film methane-generating pit, black film biogas Pond not only low cost, and black film material is relatively durable, can effectively extend the service life of entire processing system, it is effectively save Processing cost, Aerobic Process for Treatment use second level A/O technique, not only easy to operate without installing filler, save the cost, and later period Operational management is also more convenient, and advanced treating is combined using Biolak reaction tank and oxidation pond, and the Biolak pond after improvement can be with It is transformed and is arranged in original methane-generating pit, save the area and cost, Biolak reaction tank further remove the substances such as the nitrogen phosphorus in waste water, In the processing by oxidation pond, reaches preferably water treatment effect, it is not up to standard to efficiently solve discharge of wastewater;It is entire processed The sludge generated in journey is collected in storage slag bath, is transported outward after sludge condensation processing and plate and frame filter press compression dried flower processing, whole A processing system is reasonable in design, multiple functional, environmentally protective, and wastewater treatment expense is low, can carry out to waste water effective The processing such as precipitation and separation, microorganism decomposition oxidation, disinfection, carry out innoxious compost treatment to excrement biogas residue, biogas can be used for generating electricity Or as production and living fuel, waste water is turned waste into wealth, waste water can be recycled after row processing and recycle, effectively save water resource, It also solves the situation that discharge of wastewater is difficult, discharge of wastewater is seriously polluted and not up to standard simultaneously, realizes breeding wastewater zero-emission.
2, the black film methane-generating pit is set as a cubic metre of earth structure, and the earthwork inside configuration backfills the free from admixture earthwork, the black film It is equipped with mixing stirring device, filter screen in methane-generating pit, Anaerobic Treatment uses black film methane-generating pit, black film methane-generating pit not only low cost, And black film material is relatively durable, can effectively extend the service life of entire processing system, effectively save processing cost.
3, the outlet of the A/O reaction tank anaerobic pond is connected with the entrance of aerobic tank by pipeline, and is equipped in pipeline close Water shutoff pumps B, and aerator is equipped in the A/O reaction tank aerobic tank, and Aerobic Process for Treatment uses A/O technique, without installing filler, not only It is easy to operate, save the cost, and also later period operational management is also more convenient.
4, the sedimentation basin is equipped with administration device and blower, and the precipitating bottom of pond portion is equipped with perforated pipe, connects with blower It is logical, administration device is set, drug can be added as required, not will cause the waste of drug, save the cost is easy to operate, institute It states coagulating section bottom and perforated pipe is installed, be connected to blower, use air stirring admixing medical solutions in coagulation reaction tank section And waste water can be such that the medicament added adequately mixes with waste water by the drive of blower, coagulating effect is good, further The effect of lifting waste water processing.
5, the storage slag bath is equipped with sludge concentration device, sludge compression set, and the sludge of various processes deposition is through sludge It is transported outward after concentration and plate and frame filter press compression dried flower, is used as garden fertilizer etc., turn waste into wealth, sludge is avoided to accumulate, occupied Space increases management operating cost.
Detailed description of the invention
Fig. 1 is the flow diagram of the utility model;
Description of symbols: 1. grid collecting-tanks, 2. solid-liquid separation tanks, 3. black film methane-generating pits, 4.A/O reaction tank, 5. hundred Happy gram reaction tank, 6. sedimentation basins, 7. oxidation pond, 8. storage slag baths.
Specific embodiment
The utility model is further described below in conjunction with attached drawing.
As shown in Figure 1, being the flow diagram of the utility model.
A kind of breeding wastewater zero-discharge treatment system, including it is sequentially connected grid collecting-tank 1, solid-liquid separation tank 2, black Film methane-generating pit 3, A/O reaction tank 4, Biolak reaction tank 5, sedimentation basin 6, oxidation pond 7, storage slag bath 8, the black film methane-generating pit 3 Outlet is connected with the import of A/O reaction tank 4 by pipeline, and water-sealed pump A is equipped in pipeline;The Biolak reaction tank 5 is set There are several pipelines, including the float tube being suspended on the reaction tank water surface, and the stretched wire being suspended in float tube, the Biolak reaction Pond 5 is equipped with several aerators, and the aerator is connected to the stretched wire, and the aerator is equipped with several apertures of supplying gas, institute It states and is equipped with agitating device in Biolak reaction tank 5.The black film methane-generating pit 3 is set as a cubic metre of earth structure, and the earthwork inside configuration is returned The free from admixture earthwork is filled out, is equipped with mixing stirring device, filter screen in the black film methane-generating pit 3.4 anaerobic pond of A/O reaction tank Outlet is connected with the entrance of aerobic tank by pipeline, and water-sealed pump B is equipped in pipeline, is set in 4 aerobic tank of A/O reaction tank There is aerator, the sedimentation basin 6 is equipped with administration device and blower, and 6 bottom of sedimentation basin is equipped with perforated pipe, connects with blower It is logical.The storage slag bath 8 is equipped with sludge concentration device, sludge compression set.
Breeding wastewater sequentially enters grid collecting-tank 1, solid-liquid separation tank 2, black film methane-generating pit 3, A/O reaction tank 4, Biolak Reaction tank 5, sedimentation basin 6, oxidation pond 7, waste water precipitates collection herein in grid collecting-tank 1, removes the impurity of larger particles, It is poured into black film methane-generating pit 3 after being separated by solid-liquid separation again by solid-liquid separation tank 2, waste water is by grid collecting-tank 1 and solid-liquid point Had been removed larger floating material and particulate matter from pond 2, be not easy to plug water pump, can normal operation, then waste water enter The larger molecular organics matter for being dissolved in water in waste water is resolved into small organic molecule by black film methane-generating pit 3, black film methane-generating pit 3 Matter reduces the CODcr value of waste water and improves the biodegradability of waste water, and treated waste water enters A/O through pipeline and canned pump Reaction tank 4, waste water is handled through the biochemical reaction of anoxic pond and aerobic tank, and the soluble small molecule solid organic matters in water are complete Be oxidized to carbon dioxide and hydrone, while being nitrate nitrogen and nitrite nitrogen by the mineralized nitrogen in water, later waste water into Enter Biolak reaction tank, using aerator chain aerating system;Technological design is simple and direct, is not required to complex management, further reacts denitrification and removes Waste water is then passed through sedimentation basin 6 by phosphorus, is equipped with chemicals dosing plant and blower in sedimentation basin 6, is added according to reaction requirement a certain amount of Chemical floc accelerates medicament and waste water to be sufficiently mixed under the action of blower, by solid matter deposition processes, then waste water Into oxidation pond 7, in oxidation pond 7 through microorganism and algae biochemical treatment, it is poured onto forest land nearby, realizes breeding wastewater zero-emission Put, the sludge deposited in sedimentation basin 6 through pump is delivered to storage slag bath 8 handle, first carry out concentration, the sludge after concentration into Sheet frame compressor is selected in row compression drying and other treatment, sludge compression, handles sludge press filtration at mud cake outward transport by plate and frame filter press.
The working principle of the utility model are as follows:
Breeding wastewater is passed through to grid collecting-tank, solid-liquid separation tank, the black film methane-generating pit, A/ of the utility model from left to right O reaction tank, Biolak reaction tank, sedimentation basin, oxidation pond, storage slag bath, waste water enter grid collecting-tank and solid-liquid separation tank, mainly It is to filter and separate large granular impurity, mitigates the load of subsequent processing, black film methane-generating pit mainly passes through biochemical treatment, degrades Larger molecular organics, raising wastewater biodegradability, subsequent being further processed into A/O reaction tank and Biolak reaction tank excessively again, It goes to denitrogenate phosphorus substance, it is subsequent to handle residual organic matter by sedimentation basin settled sludge and oxidation pond, reduce salinity and waste strength Afterwards, it realizes wastewater zero discharge, is transported outward after the sludge concentration desiccation processing generated in treatment process.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (5)

1. a kind of breeding wastewater zero-discharge treatment system, it is characterised in that: including sequentially connected grid collecting-tank, be separated by solid-liquid separation Pond, black film methane-generating pit, A/O reaction tank, Biolak reaction tank, sedimentation basin, oxidation pond, storage slag bath, the black film methane-generating pit go out Mouth is connected with the import of A/O reaction tank by pipeline, and water-sealed pump A is equipped in pipeline;If the Biolak reaction tank is equipped with Main pipe road, including the float tube being suspended on the reaction tank water surface, and the stretched wire being suspended in float tube, the Biolak reaction tank are set There are several aerators, the aerator is connected to the stretched wire, and the aerator is equipped with several apertures of supplying gas, and described hundred is happy Agitating device is equipped in gram reaction tank.
2. a kind of breeding wastewater zero-discharge treatment system according to claim 1, it is characterised in that: the black film methane-generating pit Be set as a cubic metre of earth structure, the earthwork inside configuration backfills the free from admixture earthwork, be equipped in the black film methane-generating pit mixing stirring device, Filter screen.
3. a kind of breeding wastewater zero-discharge treatment system according to claim 1, it is characterised in that: the A/O reaction tank The outlet of anaerobic pond is connected with the entrance of aerobic tank by pipeline, and water-sealed pump B is equipped in pipeline, and the A/O reaction tank is good Aerator is equipped in oxygen pond.
4. a kind of breeding wastewater zero-discharge treatment system according to claim 1, it is characterised in that: the sedimentation basin is equipped with Administration device and blower, the precipitating bottom of pond portion are equipped with perforated pipe, are connected to blower.
5. a kind of breeding wastewater zero-discharge treatment system according to claim 1, it is characterised in that: the storage slag bath is equipped with Sludge concentration device, sludge compression set.
CN201821662358.0U 2018-10-11 2018-10-11 A kind of breeding wastewater zero-discharge treatment system Active CN209368058U (en)

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Application Number Priority Date Filing Date Title
CN201821662358.0U CN209368058U (en) 2018-10-11 2018-10-11 A kind of breeding wastewater zero-discharge treatment system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821662358.0U CN209368058U (en) 2018-10-11 2018-10-11 A kind of breeding wastewater zero-discharge treatment system

Publications (1)

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