CN201400629Y - Floor processing wastewater treatment and reuse system - Google Patents

Abstract

The utility model relates to a wastewater treatment system, in particular to a floor processing wastewater treatment and reuse system. It is mainly to solve the technical problems of the existing technology that the volume of the waste water pool is small, the amount of sewage treated is small, and when the waste water with a lot of sludge is treated, the liquid is not easy to separate from the solid, etc. . The utility model comprises a pre-exposure adjustment tank, on which a water pump is arranged, the water pump is connected with a reaction primary sedimentation tank, the reaction primary sedimentation tank is connected with a chemical tank, the bottom of the reaction primary sedimentation tank is provided with a first sedimentation area, and the reaction primary sedimentation tank is connected with a chemical tank. The upper part of the pool is connected with a contact oxidation tank, and the tank of the contact oxidation tank is connected with a biological suspension filler. The contact oxidation tank is connected with a secondary sedimentation tank through a pipeline, and the bottom of the secondary sedimentation tank is provided with a second sedimentation zone. The secondary sedimentation area is connected to the sludge drying tank through the sludge pipe, the secondary sedimentation tank is connected to the filter tank through the pipeline, and the filter tank is connected to the clear water storage tank through the water pipe.

Description

Floor processing wastewater treatment and reuse system

technical field

The utility model relates to a waste water treatment system, in particular to an improvement on the structure of the floor processing waste water treatment and reuse system.

Background technique

The wastewater produced by floor processing has some biochemical substances, so the current common wastewater treatment methods are difficult to treat this type of wastewater. A Chinese patent discloses a combined wastewater treatment device (authorized publication number: CN 2374542Y), which consists of seven connected unit pools, and the sequence of the unit pools is anoxic pool, pre-aeration tank, primary sedimentation tank, exposure tank Air tanks, secondary settling tanks, sludge tanks, biological filters, air pipes for aeration are provided at the bottom of pre-aeration tanks and aeration tanks, semi-soft fiber filler and activated sludge are in the aeration tanks, and biological filters are The water is fed from bottom to top, and the filter material is slag or fiber ball. However, since this waste water device is arranged in a rectangular area, the amount of sewage treated is small, and when it treats waste water with a lot of sludge, the liquid is not easy to separate from the solid.

Utility model content

The technical problem to be solved by the utility model is to provide a floor processing wastewater treatment and reuse system, which mainly solves the problem that the volume of the wastewater pool in the prior art is small, the amount of sewage treated is small, and its When dealing with wastewater with a lot of sludge, it is difficult to separate the liquid from the solid and other technical problems.

The above-mentioned technical problems of the utility model are mainly solved by the following technical solutions:

The floor processing wastewater treatment and reuse system of the present utility model includes a pre-exposure adjustment tank capable of storing floor processing wastewater, and a water pump is arranged on the pre-exposure adjustment tank, which is characterized in that the water pump is connected to a reaction primary sedimentation tank through a water pipe, and the reaction The primary sedimentation tank is also connected with a chemical tank through a chemical pipe. The bottom of the reaction primary sedimentation tank is provided with a first sedimentation zone. The upper part of the reaction primary sedimentation tank is connected with a contact oxidation tank through a water collection tank. The tank of the contact oxidation tank is connected with a number of biological suspension fillers. , the contact oxidation tank is connected to the secondary sedimentation tank through pipelines, the second sedimentation zone is set at the bottom of the secondary sedimentation tank, the first sedimentation zone and the second sedimentation zone are connected to the sludge drying tank through the sludge pipe, and the secondary sedimentation The pool is connected with a filter pool through a pipeline, and the filter pool is connected with a clear water storage pool through a water pipe. The pre-exposure adjustment tank, sludge drying tank, and clean water storage tank can be buried underground. The chemical tank and water pump can be placed in the pre-exposure adjustment tank. The chemical in the chemical tank can be injected into the reaction primary sedimentation tank, and the reaction primary sedimentation tank The waste water reacts with the chemical to form flocs, which are left to settle in the reaction primary sedimentation tank, and then the flocs are removed. The contact oxidation tank adopts a plug-flow structure with simple structure and easy operation, and the biological suspension filler inside the contact oxidation tank. When the system runs for a period of time, there will be a large amount of activated sludge in the contact oxidation tank, most of which are formed by biofilm The form attaches to and grows on the biological suspension filler, and the biofilm method can be used to treat wastewater with a relatively high concentration, and has a strong ability to resist impact loads. Multi-layer filter layers can be set in the filter tank, which can purify the water quality, and finally the water entering the clear water storage tank has reached the reuse standard and can be used outside.

As a preference, the bottom of the pre-aeration adjustment tank and the contact oxidation tank is provided with a perforated aeration pipe, and the perforated aeration pipe is connected with a fan through an air pipe. The perforated aeration tube is an ABS perforated aeration tube. On the one hand, it can perform a preliminary oxidation reaction on the wastewater to remove some easily oxidizable substances in the wastewater. On the other hand, it can homogenize the water quality of the wastewater through aeration, so that the quality of the wastewater can be relatively maintained Stablize.

As a preference, a stirrer is provided at the inlet of the reaction primary sedimentation tank, and the stirrer is connected with a motor. The agitator can disperse the wastewater into solid and liquid, and the heavy sludge will settle into the first settling zone, while the light water will float on top.

As a preference, the biological suspension filler is arranged in a matrix, which is suspended in the contact oxidation tank. Biological suspension fillers can be arranged in 5~10 rows, each row has 5~10 fillers evenly distributed.

Therefore, the utility model has a larger volume of the waste water tank and a larger amount of sewage to be treated, and when treating waste water with a lot of sludge, the agitator is used to make it easier to separate the liquid from the solid, and the structure is simple , reasonable and other characteristics.

Description of drawings

Accompanying drawing 1 is a kind of structural representation of the utility model.

Parts, parts and numbers in the figure: pre-exposure adjustment tank 1, water pump 2, water pipe 3, reaction primary sedimentation tank 4, chemical tank 5, first sedimentation zone 6, water collection tank 7, contact oxidation tank 8, biological suspension filler 9 , secondary sedimentation tank 10, second sedimentation zone 11, sludge pipe 12, sludge drying tank 13, filter tank 14, clear water storage tank 15, perforated aeration pipe 16, air duct 17, fan 18, agitator 19 , motor 20, medicament tube 21.

Detailed ways

The technical solutions of the present utility model will be further specifically described below through the embodiments and in conjunction with the accompanying drawings.

Embodiment: The floor processing wastewater treatment and reuse system of this example, as shown in Figure 1, has a pre-exposure adjustment tank 1 for storing floor processing wastewater. The pre-exposure adjustment tank is provided with a chemical tank 5 and a water pump 2, and the inlet of the water pump Extend into the pre-exposure adjustment tank through the water pipe 3. The outlet of the water pump is connected to the reaction primary sedimentation tank 4 through the water pipe 3, and the reaction primary sedimentation tank 4 is connected to the chemical tank 5 through the chemical pipe 21. An agitator 19 is provided at the entrance of the reaction primary sedimentation tank 4, and the agitator is connected to and driven by a motor 20. The agitator consists of a shaft and paddles. A first settling zone 6 is provided below the reaction primary settling tank 4 , and the first settling zone 6 is connected to a sludge drying tank 13 through a sludge pipe 12 . The upper part of the reaction primary sedimentation tank 4 is connected with the contact oxidation tank 8 through the sump 7, and the contact oxidation tank is suspended with a matrix of biological suspension fillers 9, and the bottom of the contact oxidation tank 8 and the pre-exposure adjustment tank 1 are equipped with perforated aeration tanks. The air pipe 16 and the perforated aeration pipe are connected to the blower fan 18 through the air pipe 17 . The contact oxidation tank 8 is connected with a secondary sedimentation tank 10 through a pipeline, and the bottom of the secondary sedimentation tank is provided with a second sedimentation zone 11, and the second sedimentation zone is connected to the sludge drying tank 13 through a sludge pipe 12, and the secondary sedimentation tank passes through The pipeline is communicated with a filter pool 14, and the filter pool is connected to a clear water storage pool 15 through a water pipe.

When in use, the mixed wastewater produced in the workshop enters the pre-aeration regulating tank 1 after being collected. Aeration can homogenize the water quality of the wastewater, so that the water quality of the wastewater can be kept relatively stable; then it is lifted by the water pump 2 to the reaction primary sedimentation tank 4, and the flocs are formed by adding chemicals in the reaction tank, and then left to settle in the sedimentation tank to remove flocs. After the supernatant is collected by the water collection tank 7, it flows into the contact oxidation tank 8 by itself. After the facility has been in operation for a period of time, there will be a large amount of activated sludge in the tank, and most of the sludge will adhere to and grow on the biological suspension filler 9 in the form of biofilm. , relatively speaking, the biofilm method can be used to treat wastewater with a higher concentration, and has a strong ability to resist impact loads. The effluent after biochemical treatment flows into the secondary sedimentation tank 10 for mud-water separation, and then enters the filter tank 14 to further purify the water quality and meet the reuse standard. The effluent then enters the clean water storage tank 15 for standby. The sludge in the reaction primary settling tank 4 and the secondary settling tank 10 is regularly sent to the sludge drying tank through hydrostatic head pressure, and the dried sludge needs to be transported to a professional solid waste treatment company for disposal.

Claims (5)

1. a floor processing waste water is handled and reclaiming system, comprise the pre-exposure equalizing tank (1) that to deposit the floor processing waste water, pre-exposure equalizing tank (1) is provided with water pump (2), it is characterized in that described water pump (2) is communicated with reaction preliminary sedimentation tank (4) by water pipe (3), the reaction preliminary sedimentation tank also is communicated with pharmacy slot (5) by medicament pipe (21), the bottom of reaction preliminary sedimentation tank (4) is provided with first settling region (6), reaction preliminary sedimentation tank (4) top is communicated with contact-oxidation pool (8) by water leg (7), be connected with some biological suspension fillers (9) in the pond of contact-oxidation pool, contact-oxidation pool (8) is connected with secondary sedimentation basins (10) by pipeline, the secondary sedimentation basins bottom is provided with second settling region (11), first settling region all passes through sludge pipe (12) with second settling region and is connected sludge drying pond (13), secondary sedimentation basins has filtering basin (14) by pipeline connection, and filtering basin connect clear water storage pool (15) by water pipe.

2. floor according to claim 1 processing waste water is handled and reclaiming system, it is characterized in that the described pre-exposure equalizing tank (1) and the bottom of contact-oxidation pool (8) are provided with boring aeration pipe (16), boring aeration pipe is connected with blower fan (18) by airduct (17).

3. floor according to claim 1 and 2 processing waste water is handled and reclaiming system, it is characterized in that the ingress of described reaction preliminary sedimentation tank (4) is provided with agitator (19), and agitator is connected with motor (20).

4. floor according to claim 1 and 2 processing waste water is handled and reclaiming system, it is characterized in that described biological suspension filler (9) becomes arranged, and it is suspended in the contact-oxidation pool (8).

5. floor according to claim 3 processing waste water is handled and reclaiming system, it is characterized in that described biological suspension filler (9) becomes arranged, and it is suspended in the contact-oxidation pool (8).

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