CN218089275U - Wash processing system who moulds waste water - Google Patents
Wash processing system who moulds waste water Download PDFInfo
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- CN218089275U CN218089275U CN202222449892.6U CN202222449892U CN218089275U CN 218089275 U CN218089275 U CN 218089275U CN 202222449892 U CN202222449892 U CN 202222449892U CN 218089275 U CN218089275 U CN 218089275U
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Abstract
The utility model discloses a wash processing system who moulds waste water relates to the waste water treatment field. This wash processing system who moulds waste water includes: the device comprises a hydraulic screen, a reaction tank, a primary air flotation tank, an adjusting tank, a triplet reaction tank, a secondary air flotation tank, a hydrolysis acidification tank, a multi-stage AO biochemical tank, a sedimentation tank, a dosing system, an aeration device and a sludge treatment system. The treatment system for the plastic washing wastewater mainly treats the plastic washing wastewater. The system takes physicochemical and oxidation as pretreatment, utilizes a physicochemical method to separate impurities, utilizes a microbial film to adsorb and decompose organic matters in a dissolved state in the wastewater, and decomposes and cleans the residual organic pollutants in the wastewater after a certain biological reaction period. The system can remove soluble and colloidal biochemical organic matters, suspended solids and other substances which can be adsorbed by activated sludge from the sewage, and can also remove a part of phosphorus and nitrogen.
Description
Technical Field
The utility model relates to a waste water treatment technical field specifically is a wash processing system who moulds waste water.
Background
Wash and mould waste water is the waste water that link production lines such as reclaimed plastic retrieves, processing, utilization discharged, it has that pollutant concentration is high, basicity is strong, a series of characteristics such as impurity are many, if directly discharge into the sewage plant with it, great and not conform to the relevant standard of country to the impact of sewage plant, consequently need for one set of requirement from the processing system of satisfying its requirement of handling in the field urgently, realize the discharge to reach standard of each item index, thereby promote the coordinated development of environment and economy, to prior art's not enough, the utility model discloses a wash treatment system who moulds waste water, in order to solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
To the deficiency of the prior art, the utility model discloses a wash processing system who moulds waste water to solve the problem that mentions in the above-mentioned background art
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a system for treating plastic washing wastewater comprises: the device comprises a hydraulic screen, a reaction tank, a primary air flotation tank, an adjusting tank, a triplet reaction tank, a secondary air flotation tank, a hydrolysis acidification tank, a multi-stage AO biochemical tank, a sedimentation tank, a dosing system, an aeration device and a sludge treatment system;
the hydraulic screen is connected with the reaction tank, and the reaction tank is sequentially connected with the primary air floatation tank, the regulating tank, the triplet reaction tank, the secondary air floatation tank, the hydrolysis acidification tank, the multi-stage AO biochemical tank and the sedimentation tank; the dosing system is connected with the reaction tank and the three-connected reaction tank.
Preferably, the sludge treatment system comprises a scum tank, a sludge storage tank and a spiral-stacked dehydrator, wherein the sludge storage tank is respectively connected with the reaction tank, the primary air flotation tank, the secondary air flotation tank and the sedimentation tank;
a scum groove is also arranged on a pipeline of the sludge storage tank which is respectively connected with the primary air flotation groove and the secondary air flotation groove;
the spiral shell-overlapping dehydrator is connected with the sludge storage pool.
Preferably, the drug administration system comprises: a sulfuric acid dosing tank, a sodium hydroxide dosing tank, a hydrogen peroxide dosing tank, a ferrous sulfate dosing tank, a polymeric ferric sulfate dosing tank, a PAM (negative) dosing tank and a PAM (positive) dosing tank;
the sulfuric acid dispensing tank, the hydrogen peroxide dispensing tank and the ferrous sulfate dispensing tank are connected with the reaction tank;
the sulfuric acid dispensing tank and the sodium hydroxide dispensing tank are connected with the pH adjusting tank;
the ferrous sulfate dispensing tank is connected with the coagulating tank;
the PAM (anionic) dispensing tank is connected with the flocculation tank;
the PAM (positive) dispensing groove is connected with the screw-stacking dehydrator.
Preferably, the aeration device comprises a main aeration fan and a pre-aeration fan, the main aeration fan is connected with the multi-stage AO pool, and the pre-aeration fan is connected with the adjusting tank and the sedimentation tank.
Preferably, an air stripping device is arranged in the sedimentation tank and used for discharging sediments in the sedimentation tank into a sludge concentration storage tank.
Preferably, a liquid level controller is arranged in the regulating tank and used for controlling the start and stop of the water pump in the regulating tank.
The utility model discloses a wash processing system who moulds waste water, its beneficial effect who possesses as follows:
1. this wash processing system who moulds waste water mainly handles and washes and mould waste water. The system takes physicochemical and oxidation as pretreatment, utilizes a physicochemical method to separate impurities, utilizes a microbial film to adsorb and decompose organic matters in a dissolved state in the wastewater, and decomposes and cleans the residual organic pollutants in the wastewater after a certain biological reaction period. The system can remove soluble and colloidal biochemical organic matters, suspended solids and other substances which can be adsorbed by activated sludge from sewage, and can also remove a part of phosphorus and nitrogen. The system makes full use of a physicochemical and biochemical combined method, can realize continuous treatment of the plastic washing wastewater, reduces the treatment cost of sludge, simplifies the operation, reduces the running cost of the system, and greatly improves the treatment efficiency of the plastic washing wastewater.
Drawings
FIG. 1 is a schematic structural view of the plastic washing wastewater treatment system of the utility model.
Detailed Description
The embodiment of the utility model discloses wash processing system who moulds waste water, as shown in figure 1, include: the device comprises a hydraulic screen, a reaction tank, a primary air flotation tank, a regulating tank, a triplet reaction tank, a secondary air flotation tank, a hydrolysis acidification tank, a multi-stage AO biochemical tank, a sedimentation tank, a dosing system, an aeration device and a sludge treatment system;
the hydraulic screen is connected with the reaction tank, and the reaction tank is sequentially connected with the primary air floatation tank, the regulating tank, the triplet reaction tank, the secondary air floatation tank, the hydrolysis acidification tank, the multi-stage AO biochemical tank and the sedimentation tank; the dosing system is connected with the reaction tank and the three-connected reaction tank.
The sludge treatment system comprises a scum groove, a sludge storage tank and a spiral-stacked dehydrator, wherein the sludge storage tank is respectively connected with the reaction tank, the primary air flotation groove, the secondary air flotation groove and the sedimentation tank;
a scum groove is also arranged on a pipeline of the sludge storage tank which is respectively connected with the primary air flotation groove and the secondary air flotation groove;
the spiral shell-overlapping dehydrator is connected with the sludge storage pool.
The secondary air-float tank is mainly used for separating flocs formed in the wastewater. The upper layer scum is scraped away to a scum trough by a scum scraper, and the lower layer sludge sediment is lifted to a sludge storage tank by a sludge discharge pump. The effluent automatically flows to a hydrolysis acidification tank.
The medicine adding system comprises: a sulfuric acid dosing tank, a sodium hydroxide dosing tank, a hydrogen peroxide dosing tank, a ferrous sulfate dosing tank, a polyferric sulfate dosing tank, a PAM (negative) dosing tank and a PAM (positive) dosing tank;
the sulfuric acid dispensing tank, the hydrogen peroxide dispensing tank and the ferrous sulfate dispensing tank are connected with the reaction tank;
the sulfuric acid dispensing tank and the sodium hydroxide dispensing tank are connected with the pH adjusting tank;
the ferrous sulfate dispensing tank is connected with the coagulating tank;
the PAM (anionic) dispensing tank is connected with the flocculation tank;
the PAM (positive) dispensing groove is connected with the screw-stacking dehydrator.
The aeration device comprises a main aeration fan and a pre-aeration fan, wherein the main aeration fan is connected with the multi-stage AO pool, the pre-aeration fan is connected with the adjusting tank and the sedimentation tank, and the aeration device provides an aerobic environment for microorganisms and promotes the growth of the microorganisms.
The regulating reservoir mainly plays a role in homogenizing and quantity-balancing. The tank is internally provided with a perforated aeration pipe to prevent the deposition of solid particles in the wastewater. The effluent is lifted to a pH adjusting tank by a secondary lift pump. And a liquid level controller is arranged in the pool and used for controlling the water pump to start and stop.
And an air stripping device is arranged in the sedimentation tank and used for discharging sediments in the sedimentation tank into a sludge concentration storage tank.
And a liquid level controller is arranged in the regulating reservoir and used for controlling the start and stop of the water pump in the regulating reservoir.
The working principle is as follows: when the treatment system for the plastic washing wastewater is used, the wastewater is collected by a plant pipe network and firstly enters a hydraulic screen by using gravity for removing large-volume solid wastes and fine plastic particles contained in the wastewater. The filtered slag is cleaned manually. The effluent is lifted to a reaction tank by a lift pump.
And a Fenton reagent is added into the reaction tank to reduce COD. And discharging water to a first-stage air flotation tank.
Partial water outlet of the first-level air flotation tank is dissolved in air through pressurization of the air dissolving tank to form air dissolving water, the air dissolving water and the water enter the first-level air flotation tank together, a large amount of micro bubbles in the air dissolving water are released due to sudden reduction of pressure, a three-phase mixture of water, air and removed substances is formed, micro bubbles are promoted to adhere to the surface of the removed floc under the combined action of multiple forces such as interfacial tension, bubble rising buoyancy and hydrostatic pressure difference, and the adhesion density is smaller than that of the water to float to the water surface, so that the aim of being separated and removed is fulfilled. The upper layer floating slag and floating oil are scraped away to a floating slag groove by a slag scraper, a small amount of settled mud at the bottom is conveyed to a materialized sludge storage tank through a mud pump, and the effluent automatically flows into an underground adjusting tank.
Sulfuric acid was added to the pH adjusting tank, and the mixture was stirred by a stirrer. Under the control of a pH meter, the pH value is adjusted to be below 10, and effluent automatically flows to a coagulation tank. Ferrous sulfate is added into the coagulation tank, the mixture is stirred by a stirrer, flocs appear in the wastewater, and the effluent automatically flows to the flocculation tank. PAM is added into the flocculation tank, so that floc particles are further coagulated and enlarged, and the effluent effect is ensured. The effluent automatically flows into a secondary air flotation tank.
The hydrolysis acidification tank is provided with a perforated aeration pipe for intermittent aeration, which plays a role in mixing water quality, degrades some substances which are difficult to degrade, reduces the molecular weight of organic matters and is beneficial to subsequent aerobic treatment. Meanwhile, part of sewage in the multi-stage AO biochemical pool flows back to the hydrolysis acidification pool to play a role in removing total nitrogen. The effluent automatically flows into a multi-stage AO biochemical pool.
The multi-stage AO biochemical pool is provided with a filler which is used as a carrier of a biological membrane. The wastewater to be treated flows through the filler at a certain flow rate after being oxygenated and aerated, and is contacted with the biological membrane, and the biological membrane and the suspended activated sludge act together to achieve the effect of purifying the wastewater. Meanwhile, an aeration device is arranged in the tank to provide an aerobic environment for the microorganisms and promote the growth of the microorganisms. A reflux pump is arranged in the tank to lift part of the wastewater to a hydrolysis acidification tank treatment unit at the front end at regular time. The hydrolysis acidification tank is in an anoxic environment, so that the hydrolysis acidification tank plays an important role in reducing the ammonia nitrogen value in the wastewater. The effluent flows to the sedimentation tank automatically.
The inclined plate packing is arranged in the sedimentation tank, so that the sedimentation distance of particles is shortened, the sedimentation time is shortened, the sedimentation area of the sedimentation tank is increased, and the treatment efficiency is improved. The bottom of the tank is provided with a sludge discharge pump which is started at regular time to lift the sludge settled at the bottom of the tank to a biochemical sludge storage tank. The supernatant liquid flows to a clean water tank automatically, and is discharged after reaching the standard after being monitored.
Supernatant liquor of the sludge storage tank automatically flows to the regulating water tank, and sludge at the lower end is transferred to the screw-overlapping dehydrator by the sludge pressure pump for filter pressing.
The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A wash processing system who moulds waste water, its characterized in that includes: the device comprises a hydraulic screen, a reaction tank, a primary air flotation tank, a regulating tank, a triplet reaction tank, a secondary air flotation tank, a hydrolysis acidification tank, a multi-stage AO biochemical tank, a sedimentation tank, a dosing system, an aeration device and a sludge treatment system;
the hydraulic screen is connected with the reaction tank, and the reaction tank is sequentially connected with the primary air floatation tank, the regulating tank, the triplet reaction tank, the secondary air floatation tank, the hydrolysis acidification tank, the multi-stage AO biochemical tank and the sedimentation tank; the dosing system is connected with the reaction tank and the three-connected reaction tank.
2. The system for treating the plastic washing wastewater according to claim 1, wherein: the sludge treatment system comprises a scum groove, a sludge storage tank and a spiral-stacked dehydrator, wherein the sludge storage tank is respectively connected with the reaction tank, the primary air flotation groove, the secondary air flotation groove and the sedimentation tank;
a scum groove is also arranged on a pipeline of the sludge storage tank which is respectively connected with the primary air flotation groove and the secondary air flotation groove;
the spiral shell-overlapping dehydrator is connected with the sludge storage pool.
3. The system for treating the plastic washing wastewater according to claim 1, wherein: the medicine adding system comprises: a sulfuric acid dosing tank, a sodium hydroxide dosing tank, a hydrogen peroxide dosing tank, a ferrous sulfate dosing tank, a polyferric sulfate dosing tank, a PAM (negative) dosing tank and a PAM (positive) dosing tank;
the sulfuric acid dosing tank, the hydrogen peroxide dosing tank and the ferrous sulfate dosing tank are connected with the reaction tank;
the sulfuric acid dispensing tank and the sodium hydroxide dispensing tank are connected with the PH adjusting tank;
the ferrous sulfate dispensing tank is connected with the coagulating tank;
the PAM (anionic) dispensing tank is connected with the flocculation tank;
the PAM (positive) dispensing groove is connected with the screw-stacking dehydrator.
4. The system for treating the plastic washing wastewater according to claim 1, wherein: the aeration device comprises a main aeration fan and a pre-aeration fan, wherein the main aeration fan is connected with the multi-stage AO pool, and the pre-aeration fan is connected with the adjusting tank and the sedimentation tank.
5. The system for treating the plastic washing wastewater according to claim 1, wherein: and an air stripping device is arranged in the sedimentation tank and used for discharging sediments in the sedimentation tank into a sludge concentration storage tank.
6. The system for treating the plastic washing wastewater according to claim 1, wherein: and a liquid level controller is arranged in the regulating reservoir and used for controlling the start and stop of the water pump in the regulating reservoir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222449892.6U CN218089275U (en) | 2022-09-16 | 2022-09-16 | Wash processing system who moulds waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222449892.6U CN218089275U (en) | 2022-09-16 | 2022-09-16 | Wash processing system who moulds waste water |
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| Publication Number | Publication Date |
|---|---|
| CN218089275U true CN218089275U (en) | 2022-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222449892.6U Active CN218089275U (en) | 2022-09-16 | 2022-09-16 | Wash processing system who moulds waste water |
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| CN (1) | CN218089275U (en) |
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2022
- 2022-09-16 CN CN202222449892.6U patent/CN218089275U/en active Active
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