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Help CenterSewage Treatment Equipment for Livestock and Poultry Breeding in Slaughterhouses, Buried Integrated Sewage Treatment Equipment, Multi-stage Filtration
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Slaughterhouse livestock and poultry breeding sewage treatment equipment, buried integrated sewage treatment equipment, multi-stage filtration
1. What are the characteristics of the sewage quality in slaughterhouses?
Slaughter sewage belongs to high-organic and high-suspended solids sewage. Considering the process characteristics of the proposed project, the pigs to be slaughtered are observed on an empty stomach, and the discharge of fecal water is small. The survey data of similar projects show that the concentrations of TP and TN in the raw sewage of slaughterhouses of various enterprises vary greatly (with a difference of two orders of magnitude). And in the treatment of slaughter sewage, the main factors for meeting the standards are BOD5 and CODCr. Therefore, only CODCr, BOD5, ammonia nitrogen and SS are considered as the main pollution factors in the sewage of this project.
2. Process flow of slaughterhouse wastewater treatment
Septic tank ---- Mechanical grille ---- Sump ---- Hair removal machine ---- Aeration adjustment tank ---- Dissolved air flotation tank
︱
Effluent ---- Disinfection tank ---- Sedimentation tank ---- Aerobic tank ---- Intermediate water tank/
3. Technology of integrated sewage treatment equipment for slaughterhouse sewage treatment
Shandong Zetray Environmental Protection Technology Co., Ltd. has developed and produced an integrated sewage treatment equipment for slaughterhouses according to the water quality characteristics of slaughterhouse sewage treatment.
Its basic structure: The main body of the equipment is composed of glass fiber reinforced plastic or carbon steel anti-corrosion treatment components; the equipment is equipped with a water distribution system, an underwater aeration system, a sedimentation and disinfection system, etc.
4. Operation process of the integrated sewage treatment equipment for slaughterhouses:
When the integrated sewage treatment equipment for slaughterhouses treats sewage, the sewage enters the water distribution pipeline of the anaerobic tank through the lift pump. Through the water distribution pipeline, the sewage rises evenly and contacts with the anaerobic bacteria in a large area to achieve the purpose of removing part of the COD, decomposing macromolecular substances and removing ammonia nitrogen. Then the sewage flows into the aerobic tank from the top of the device. The aerator aerates underwater and stirs the sewage by pushing the flow. The incoming sewage is quickly and fully mixed with the original mixed liquid to adapt to the changes in the influent water quality to the greatest extent. Through the aeration system, the sewage is evenly stirred and mixed, and at the same time, the dissolved oxygen content in the sewage is increased. The water quality at each point in the tank is relatively uniform, and the quantity and nature of microorganisms are basically the same. Therefore, the working conditions of each part in the aeration area are almost the same. This controls the entire biochemical reaction under the same good conditions, the organic matter is gradually degraded by microorganisms, and the sewage is purified.
(Note: The purification efficiency is high. The removal rate of COD is 85% - 90%, and the removal rate of ammonia nitrogen is about 95%. The various indicators of the effluent meet the national "Discharge Standard of Water Pollutants for Meat Processing" (GB13457 - 92), and the effluent is discharged up to the standard).
Zetray customizes and processes new sewage treatment equipment for livestock and poultry breeding in pig slaughterhouses, buried integrated sewage treatment equipment
5. Sewage treatment principle of the integrated slaughter sewage treatment equipment
The sewage treatment equipment for the slaughter industry developed and produced by Shandong Zetray Environmental Protection Technology Co., Ltd. aims at the unique water quality characteristics of sewage in the slaughter industry and uses the activated sludge process to achieve the purpose of purifying sewage. Its principle: Anaerobic and aerobic bacteria consume organic pollutants in sewage through their own life activities. At the same time, the bio - flocs formed by microorganisms make the suspended and colloidal organic pollutants lose stability and flocculate, adsorb on the surface of activated sludge, degrade organic matter, and finally achieve the effect of purifying sewage.
6. Process characteristics of the integrated slaughter sewage treatment equipment
1. The integrated slaughter sewage treatment equipment developed and produced by our company adopts the biological contact oxidation treatment process. It has a smaller volume than the activated sludge tank, strong adaptability to water quality, good shock - load resistance, stable effluent water quality, and will not cause sludge bulking;
2. This set of integrated slaughter sewage treatment equipment has a high removal rate of organic matter, is stable and reliable. At the same time, there is no need to add chemicals, which saves the subsequent cost and reduces the operating cost;
3. Hydrolytic acidification can effectively remove the blood color of sewage, decompose macromolecular organic matter, reduce the subsequent treatment load, and save investment costs;
4. The precipitation effect is ideal, and better effluent water quality can be obtained;
5. The disinfection treatment effect is good, and the removal rate reaches over 99.4%;
6. Properly handle the excess sludge to ensure the stable and reliable operation of the system. The sludge discharge is convenient, reducing manual operation;
7. Adopt a unique structural method to minimize the diffusion of odors;
8. The operation management is simple. The operation state can be adjusted according to the actual situation to obtain the best operation effect;
9. The purification efficiency is high. The BOD removal rate is between 85% and 90%, and all indicators of the effluent meet the national first - or second - level discharge standards;
New - type sewage treatment equipment for pig slaughterhouses and livestock breeding, buried integrated sewage treatment equipment
7. Advantages of the buried integrated sewage treatment equipment for slaughterhouses and livestock breeding, multi - stage filtration
1. The integrated slaughter sewage treatment equipment is made of carbon steel after anti - corrosion treatment or stainless - steel components, and is assembled on - site. It is easy to transport and install;
2. The equipment produced has excellent characteristics such as corrosion resistance and aging resistance, and its service life is more than 30 years;
3. Placed below the ground surface, the ground surface above the equipment can be used for greening or other purposes, without the need for building houses, heating, and insulation. It maximally realizes the integration of the system and reduces the floor area;
4. It is pollution - free, noiseless, odorless, and reduces secondary pollution;
5. It is not limited by the amount of sewage, is flexible, and can be used individually or in combination;
6. It is highly targeted and can effectively remove organic matter and ammonia nitrogen in sewage;
7. The entire equipment processing system is equipped with a PLC fully automatic electrical control system and an equipment fault alarm system. It operates safely and reliably. Generally, no dedicated personnel are required for management on a daily basis. Only timely maintenance and upkeep of the equipment are needed, and the management cost is low.
After-sales service measures
1. After the equipment contract is signed, Shandong Zetray Environmental Protection Technology Co., Ltd. will organize technical personnel to conduct pre - technical exchanges and coordination with the buyer's technical personnel to ensure that the civil engineering conditions, process requirements, and contract requirements are met.
2. On - site installation guidance and commissioning: When the entire set of equipment meets the installation conditions, the buyer shall notify the seller one week in advance. After receiving the notice, the seller will arrive at the site within the agreed time between the two parties and be responsible for one free on - site installation guidance and commissioning for 6 days.
3. Personnel training: The seller will, according to the buyer's requirements, go to the site to train the personnel designated by the buyer so that they can operate independently.
After - sales service:
1) The warranty period of the equipment is 12 months after the equipment leaves the factory. During the warranty period, if a fault occurs due to the equipment quality problem, the seller shall bear the cost (except for faults caused by operation responsibility).
2) After the warranty period expires, the seller will provide lifetime service and supply accessories at the ex - factory price for a long time.
3) Whether within or outside the warranty period, if a problem occurs during the operation of the equipment, the seller will respond within 24 hours. If it is necessary to arrange personnel to go to the site for handling, relevant technical personnel will be dispatched to the site within 72 hours for handling, and the two parties will coordinate and handle it specifically.
Zetray Custom - processed New - type Sewage Treatment Equipment for Pig Slaughterhouses and Livestock Farms, Buried Integrated Sewage Treatment Equipment
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