CN214218373U - Industrial park waste water advanced treatment system - Google Patents

Abstract

The utility model discloses an industrial park wastewater advanced treatment system, which comprises a high-efficiency sedimentation tank and a precise filtration filter tank, wherein the precise filtration filter tank comprises a tank body, the tank body is divided into an energy dissipation water distribution chamber, a filter chamber, a sedimentation chamber and a clear water chamber by a first partition wall, a second partition wall and a third partition wall, a cloth filter, a sludge suction mechanism and a sludge pipe are arranged in the filter chamber, the cloth filter comprises a plurality of turntables and filter cloth arranged on the turntables, a flowmeter is arranged on a water outlet, the sludge suction mechanism comprises a sludge suction pump, a solenoid valve and a plurality of groups of suckers which are connected by the sludge suction pipe, the suckers of the groups are arranged on two sides of each turntable, each group of suckers is connected with one solenoid valve, the utility model adopts the combination of advanced sedimentation and the precise filtration filter tank to carry out biochemical effluent advanced treatment, the water treatment efficiency and the discharge rate up to the standard are greatly improved, and the flowmeter is arranged at the water outlet, when the water flow is lower than the set value, the back washing can be automatically carried out.

Description

Industrial park waste water advanced treatment system

Technical Field

The utility model relates to a sewage treatment device field, concretely relates to industrial park waste water advanced treatment system.

Background

At present, the urban construction speed is accelerated, and a large amount of industrial wastewater which is not treated or does not reach the standard is directly discharged into a natural water system, so that serious pollution is caused. Many industrial enterprises have low added value of products and cannot completely bear overhigh operation cost, and especially for industrial wastewater with high degradation difficulty, many enterprises relax the treatment and control of the wastewater to control the economic cost, so that not only social pollution is caused, but also the social comprehensive development efficiency is endangered.

The industrial wastewater refers to wastewater, sewage and waste liquid generated in the industrial production process, and contains industrial production materials, intermediate products and products which are lost along with water, and pollutants generated in the production process. With the rapid development of industry, the variety and quantity of waste water are rapidly increased, the pollution to water bodies is more and more extensive and serious, and the health and the safety of human beings are threatened. Therefore, the treatment of industrial wastewater is more important than the treatment of municipal sewage for environmental protection.

Therefore, the concentrated collection treatment of sewage can be carried out in the more concentrated garden of industry, but the pollutant kind is more in the waste water, and current conventional technology is difficult to satisfy stricter discharge standard day by day, and along with enterprise's water consumption is big and the national water economy advocates at present, often can carry out cyclic utilization to the water after handling, and it is difficult to reach the standard of retrieval and utilization not through proper handling. Therefore, aiming at the current situation of wastewater treatment, discharge and reuse in the industrial park, the advanced treatment after biochemical effluent is very important.

SUMMERY OF THE UTILITY MODEL

The utility model aims at designing an industrial park waste water advanced treatment system to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an industrial park wastewater advanced treatment system comprises a high-efficiency sedimentation tank and a precise filtration filter tank, wherein the high-efficiency sedimentation tank comprises a reaction zone and a clarification zone, the reaction zone comprises a mixed reaction zone and a plug flow reaction zone, and the clarification zone comprises an inlet pre-sedimentation zone, an inclined tube sedimentation zone and a concentration zone; the precise filtering pool comprises a pool body, a water inlet and a water outlet are arranged on two sides of the pool body, the pool body is divided into an energy dissipation water distribution chamber, a filtering chamber, a settling chamber and a clear water chamber by a first partition wall, a second partition wall and a third partition wall, the filter chamber is internally provided with a cloth filter, a mud suction mechanism and a sludge pipe, the cloth filter comprises a plurality of turntables and filter cloth arranged on the turntables, a flowmeter is arranged on the water outlet, a water passing hole and an electric gate are arranged on the first partition wall, and one side of the first partition wall close to the filtering chamber is provided with a water inlet weir plate, the top height of the water inlet weir plate is always greater than that of the cloth filtering machine, the mud suction mechanism comprises a mud suction pump, electromagnetic valves and a plurality of groups of suckers which are connected through mud suction pipes, the suckers in the groups are located on two sides of each turntable, and each sucker in the groups is connected with one electromagnetic valve.

Furthermore, an overflow protection hole is formed above the second partition wall, an overflow weir with a triangular cross section is arranged at the overflow protection hole of the second partition wall, the overflow protection hole is arranged to prevent sewage in the filtering chamber from flowing backwards, and the triangular overflow weir can play a role in skimming.

Furthermore, a liquid level sensor is arranged on the side wall above the second partition wall, when the liquid level sensor is triggered by the water level, the electromagnetic valve is opened, and the suction pump drives the suction disc to absorb sludge on the filter cloth.

Further, the slope of concentrated district bottom surface sets up, just a drain has been seted up to concentrated district bottom surface minimum, the dredge pump is connected to the drain, and the mud that drops to concentrated district lower floor like this can collect a department automatically to take out fast through the dredge pump, clear up simple and convenient more, the sewage on concentrated district upper strata promotes to high-efficient sedimentation tank cyclic utilization through the pump.

Furthermore, the filter cloth is made of oleophobic fibers, so that oil stains can be reduced to be attached to the surface of the filter cloth to form an oil film, and the filter cloth is invalid.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a combination of senior sediment and secondary filter filtering pond carries out the advanced treatment of biochemical play water, not only can increase the efficiency of getting rid of total phosphorus, suspended solid and organic matter in the waste water, can also greatly improve water treatment efficiency and discharge to reach standard rate, through being equipped with the flowmeter in delivery port department, when discharge is less than the setting value, can carry out the backwashing automatically.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of an advanced wastewater treatment system for an industrial park according to the present invention;

FIG. 2 is a schematic structural view of the high-efficiency sedimentation tank of the present invention;

FIG. 3 is a schematic structural view of the precise filter chamber of the present invention;

fig. 4 is a schematic structural view of the second partition wall of the present invention.

The names of the components identified in the figures are as follows: 1. a high-efficiency sedimentation tank; 11. a reaction zone; 110. a mixed reaction zone; 111. a plug flow reaction zone; 12. a clarification zone; 120. an inlet pre-settling zone; 121. an inclined tube settling zone; 122. a concentration zone; 2. a precise filtering pool; 21. a tank body; 22. a water inlet; 23. a water outlet; 3. a first partition wall; 4. a second partition wall; 41. an overflow weir; 5. a third partition wall; 6. Energy dissipation and water distribution chamber; 7. a filtering chamber; 8. a settling chamber; 9. a clear water chamber; 10. a cloth filtering machine; 11. water passing holes; 12. an electric gate; 13. a water inlet weir plate; 14. a mud suction mechanism; 141. a dredge pump; 142. an electromagnetic valve; 143. a suction cup; 15. an overflow protection hole; 16. a liquid level sensor.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, only some embodiments, not all embodiments, of the present invention are described. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 4, an industrial park wastewater advanced treatment system in one embodiment is shown, which comprises a high-efficiency sedimentation tank 1 and a precise filtration filter tank 2, wherein the high-efficiency sedimentation tank 1 comprises a reaction zone 11 and a clarification zone 12, the reaction zone 11 comprises a mixing reaction zone 110 and a plug flow reaction zone 111, and the clarification zone comprises an inlet pre-sedimentation zone 120, an inclined tube sedimentation zone 121 and a concentration zone 122; the precise filtering pool 2 comprises a pool body 21, a water inlet 22 and a water outlet 23 are arranged on two sides of the pool body 21, the pool body 21 is divided into an energy dissipation and water distribution chamber, a filtering chamber 7, a settling chamber 8 and a clear water chamber 9 by a first partition wall 3, a second partition wall 4 and a third partition wall 5, a cloth filtering machine 10, a mud suction mechanism 14 and a sludge pipe are arranged in the filtering chamber 7, the cloth filtering machine 10 comprises a plurality of turntables and filter cloth arranged on the turntables, a flow meter is arranged on the water outlet 23, a water through hole 11 and an electric gate 12 are arranged on the first partition wall 3, and the side of the first partition wall 3 close to the filter chamber 7 is provided with a water inlet weir plate 13, the top height of the water inlet weir plate 13 is always greater than the top height of the cloth filtering machine 10, the mud suction mechanism 14 comprises a mud suction pump 141, an electromagnetic valve 142 and a plurality of groups of suckers 143 which are connected through a mud suction pipe, the plurality of groups of suckers 143 are positioned on two sides of each turntable, and each group of suckers 143 is connected with one electromagnetic valve 142.

Further as a preferred embodiment, an overflow protection hole 15 is formed above the second partition wall 4, and an overflow weir 41 with a triangular cross section is formed at the overflow protection hole 15 of the second partition wall 4, the overflow protection hole 15 is formed to prevent sewage in the filtering chamber 7 from flowing backwards, and the triangular overflow weir 41 can perform a skimming function.

Further as a preferred embodiment, a liquid level sensor 16 is arranged on the upper side wall of the second partition wall 4, when the liquid level sensor 16 is triggered by the water level, the electromagnetic valve 142 is opened, and the suction pump 141 drives the suction cup 143 to absorb the sludge on the filter cloth.

Further as preferred embodiment, concentrated district 122 bottom surface slope sets up, and concentrated district 122 bottom surface minimum has seted up a drain, and the dredge pump is connected to the drain, and the mud that drops to concentrated district 122 lower floor like this can collect a department automatically to take out fast through the dredge pump, the clearance is simple and convenient more, and the sewage on concentrated district 122 upper strata promotes to high-efficient sedimentation tank 1 cyclic utilization through the pump.

Further preferably, the material of the filter cloth is oleophobic fiber, so that oil stains can be prevented from being attached to the surface of the filter cloth to form an oil film, and the filter cloth can be prevented from failing.

The working principle of the embodiment is as follows: firstly, after biochemical treatment, wastewater enters a high-efficiency sedimentation tank 1, sewage enters a mixing reaction zone 110 through a pipeline, lime and PAC (polyaluminium chloride) are added, the stirring and the accelerating mixing action are performed through a stirrer, the rapid condensation reaction of sludge, medicament and raw water is completed, wherein the dosage is regulated through PH feedback control, then the wastewater is lifted to a plug flow reaction zone 111 through an impeller, anion PAM (polyacrylamide) is added into the plug flow reaction zone 111, coagulated micro flocs are combined to form a larger floc, the whole reaction zone 11 can obtain a large amount of high-density homogeneous alum flocs, the high-density alum flocs enable the sedimentation speed of the sludge in a clarification zone to be higher without affecting the quality of effluent water, then the sludge enters an inlet pre-sedimentation zone 120, the alum flocs slowly enter an inclined tube sedimentation zone 121 from the inlet pre-sedimentation zone 120, and most of the alum flocs precipitate in the inlet pre-sedimentation zone 120, the residual alum blossom enters an inclined tube settling zone 121 to finish the residual alum blossom settling process, the alum blossom is accumulated into sludge at the lower part of the inclined tube settling zone 121 and is concentrated, a concentration zone 122 is divided into two layers, and the upper layer sewage is lifted to the water inlet end of the high-efficiency settling tank 1 by a pump for cyclic utilization; the lower layer sludge is pumped by a sludge pump to enter a sludge treatment system, clear water is collected by a water collecting tank to enter a precise filtering filter 2, sewage enters a filtering chamber 7 and flows to a filter 10 after passing through an energy dissipation water distribution chamber and flowing through a water inlet weir plate 13, impurities and suspended particles in the sewage are filtered by filter cloth and are retained on the outer side, clear water enters the filter 10 through a filtering layer and passes through a settling chamber 8 and a clear water chamber 9 in sequence, finally, clear water is discharged from a clear water outlet 23, after a period of filtering work, the impurities in the sewage are continuously accumulated on the surface of the filter cloth to block filtering micropores to influence the filtering effect, the filtering amount is continuously reduced, when the filtering amount is less than the water inlet amount, the liquid level in the tank rises to a liquid level sensor 16 or a flowmeter at the water outlet 23 and is lower than a set value, a sludge suction pump 141 is started, one electromagnetic valve 142 is opened, and other electromagnetic valves 142 are still in a closed state, sucking discs 143 on two sides of the filter cloth suck the surface of the filter cloth to realize the back washing of the filter surface, the cleaning time is set, after the cleaning is finished, the next path of electromagnetic valve 142 is changed and opened, the back washing operation of the next group of filter cloth is started, and the suction dredge pump 141 is automatically closed until all the filter cloth is cleaned.

The utility model has the advantages that: the utility model discloses a combination of senior sediment and secondary filter filtering pond carries out the advanced treatment of biochemical play water, not only can increase the efficiency of getting rid of total phosphorus, suspended solid and organic matter in the waste water, can also greatly improve water treatment efficiency and discharge to reach standard rate, through being equipped with the flowmeter in delivery port department, when discharge is less than the setting value, can carry out the backwashing automatically.

While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.

Claims (5)

1. The utility model provides an industrial park waste water advanced treatment system which characterized in that: the device comprises a high-efficiency sedimentation tank and a precise filtering filter tank, wherein the high-efficiency sedimentation tank comprises a reaction zone and a clarification zone, the reaction zone comprises a mixed reaction zone and a plug flow reaction zone, and the clarification zone comprises an inlet pre-sedimentation zone, an inclined tube sedimentation zone and a concentration zone; the precise filtering pool comprises a pool body, a water inlet and a water outlet are arranged on two sides of the pool body, the pool body is divided into an energy dissipation water distribution chamber, a filtering chamber, a settling chamber and a clear water chamber by a first partition wall, a second partition wall and a third partition wall, the filter chamber is internally provided with a cloth filter, a mud suction mechanism and a sludge pipe, the cloth filter comprises a plurality of turntables and filter cloth arranged on the turntables, a flowmeter is arranged on the water outlet, a water passing hole and an electric gate are arranged on the first partition wall, and one side of the first partition wall close to the filtering chamber is provided with a water inlet weir plate, the top height of the water inlet weir plate is always greater than that of the cloth filtering machine, the mud suction mechanism comprises a mud suction pump, electromagnetic valves and a plurality of groups of suckers which are connected through mud suction pipes, the suckers in the groups are located on two sides of each turntable, and each sucker in the groups is connected with one electromagnetic valve.

2. The industrial park wastewater advanced treatment system according to claim 1, characterized in that: and overflow protection holes are formed above the second partition walls, and overflow weirs with triangular cross sections are arranged at the overflow protection holes of the second partition walls.

3. The industrial park wastewater advanced treatment system according to claim 1, characterized in that: and a liquid level sensor is arranged on the side wall above the second partition wall.

4. The industrial park wastewater advanced treatment system according to claim 1, characterized in that: the bottom surface of the concentration area is obliquely arranged, a drain outlet is formed in the lowest point of the bottom surface of the concentration area, and the drain outlet is connected with a mud pump.

5. The industrial park wastewater advanced treatment system according to claim 1, characterized in that: the filter cloth is made of oleophobic fibers.

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