CN212713163U

CN212713163U - Industrial sewage treatment box of thermal power plant

Info

Publication number: CN212713163U
Application number: CN202021358636.0U
Authority: CN
Inventors: 张宏才; 李嫣
Original assignee: Luoyang Guangying Machinery Equipment Co ltd
Current assignee: Luoyang Guangying Machinery Equipment Co ltd
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-03-16
Anticipated expiration: 2030-07-10

Abstract

A thermal power plant industrial sewage treatment tank comprises a tank body, wherein a water collecting tank, an anaerobic tank, an anoxic tank, an aerobic tank, a sedimentation tank and a disinfection tank are sequentially arranged in the tank body along the sewage flow direction, a grid plate is obliquely arranged in the water collecting tank, a sundries cleaning door is arranged on the side portion of the water collecting tank, a water distribution pipe is arranged below the grid plate, a high-pressure spray nozzle is arranged on the water distribution pipe, a first water pump is arranged at the bottom of the water collecting tank, and the outlet of the first water pump is communicated with the anaerobic tank; be equipped with the puddler in the anaerobism pond, the puddler is connected with driving motor, and anaerobism bottom of the pool portion is equipped with the second water pump, and second water pump export and oxygen deficiency pond intercommunication, oxygen deficiency pond pass through third water pump and good oxygen pond intercommunication, and good oxygen bottom of the pool portion is equipped with the aeration machine, and good oxygen pond passes through first overflow pipe and sedimentation tank intercommunication, and the sedimentation tank passes through second overflow pipe and disinfection pond intercommunication. The utility model discloses add washing unit so that clear up after the long-time work of grid plate, promoted sewage purification effect and efficiency, be particularly useful for small-size thermal power plant's industrial sewage treatment.

Description

Industrial sewage treatment box of thermal power plant

Technical Field

The utility model belongs to the technical field of thermal power plant wastewater treatment, in particular to sewage treatment box for thermal power plant.

Background

Modern society is changing day by day, and our standard of living also improves to some extent, can not leave the power consumption in daily life, and thermal power plant also need improve the processing to industrial sewage according to the environmental protection policy of stricter and more advanced. A series of chemical sewage can be produced in the power generation process of a thermal power plant, a large amount of domestic sewage can be produced in the operation process of the thermal power plant, the industrial sewage is formed by gathering the pipeline and the chemical sewage together, and if the sewage is simply filtered and precipitated or is discharged without being treated, the sewage can cause great burden on the environment on which people live. The existing process for treating industrial sewage of a small-sized thermal power plant has poor effect on chemical sewage treatment, uneven filtration, longer treatment period and higher treatment efficiency.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides an industrial sewage treatment box of a thermal power plant.

The purpose of the utility model and the technical problem thereof are realized by adopting the following technical scheme. According to the utility model, the industrial sewage treatment tank for the thermal power plant comprises a tank body, wherein a water collecting tank, an anaerobic tank, an anoxic tank, an aerobic tank, a sedimentation tank and a disinfection tank are sequentially arranged in the tank body along the sewage flowing direction, a sewage inlet pipe is arranged on the water collecting tank, and a sewage outlet pipe is arranged on the disinfection tank; a grid plate is obliquely arranged in the water collecting tank, a sundries cleaning door which can be opened and closed and is positioned on one side of the grid plate is arranged on the side portion of the water collecting tank, a water distribution pipe which is horizontally arranged is installed below the grid plate, a plurality of high-pressure spray heads are arranged on the water distribution pipe along the length direction, the water distribution pipe is connected with a valve outside the water collecting tank through a water supply pipe, the valve is connected with a clear water source through a pipeline, a first water pump is arranged at the bottom of the water collecting tank, and an outlet of the first water pump is communicated with; a stirring rod is arranged in the anaerobic tank and is connected with a power end of a driving motor arranged at the top of the anaerobic tank, a second water pump is arranged at the bottom of the anaerobic tank, an outlet of the second water pump is communicated with an anoxic tank, the anoxic tank is communicated with the aerobic tank through a third water pump arranged at the bottom of the anoxic tank, and an aerator is arranged at the bottom of the aerobic tank; the aerobic tank is communicated with the sedimentation tank through a first overflow pipe arranged on the upper side, and the sedimentation tank is communicated with the disinfection tank through a second overflow pipe arranged on the upper side.

The purpose of the utility model is further realized by adopting the following technical measures.

Aforementioned sewage treatment case, the catch basin top is equipped with the access hole.

In the sewage treatment tank, the gas outlet of the aerator is connected with the gas distribution pipe, and the gas distribution pipe is uniformly provided with the plurality of gas outlets.

In the sewage treatment tank, the aerobic tank is filled with the aerobic bacterial filler above the air distribution pipe through the first filler carrier frame.

The sewage treatment tank is characterized in that the anaerobic tank is filled with anaerobic bacteria filler through a second filler carrier frame.

Aforementioned sewage treatment case, wherein the disinfection pond top is equipped with the dosing pump that is used for throwing in the sodium hypochlorite antiseptic solution to the inside of disinfection pond.

Aforementioned sewage treatment case, wherein be equipped with in the sedimentation tank and take out the mud pipe, take out mud socle end and wear out behind the sedimentation tank and sludge pump entry linkage, sludge pump export and sludge impoundment intercommunication.

By the technical scheme, the utility model firstly carries out preliminary filtration treatment on sewage in the water collecting tank, and is additionally provided with the flushing device so as to be convenient for cleaning when the grid plate works for a long time, thus filtered sundries are gathered to the lower left corner of the grid plate, and the regular cleaning can be realized through the sundries cleaning door; furthermore, the utility model discloses all set up the structure of being convenient for sewage and corresponding bacterial packing fully reaction in anaerobism pond and aerobic tank, promoted sewage purification effect and efficiency, be particularly useful for small-size thermal power plant's industrial sewage treatment.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

In the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

The present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1, the industrial sewage treatment tank of the thermal power plant comprises a tank body, wherein a water collecting tank 1, an anaerobic tank 2, an anoxic tank 3, an aerobic tank 4, a sedimentation tank 5 and a disinfection tank 6 are sequentially arranged in the tank body along the sewage flow direction, a sewage inlet pipe 7 is arranged on the water collecting tank, and a sewage outlet pipe 8 is arranged on the disinfection tank. The water collecting tank is internally provided with a grid plate 9 in an inclined mode, the side portion of the water collecting tank is provided with a sundries cleaning door 10 which can be opened and closed and is located on one side of the grid plate, a water distribution pipe 11 which is horizontally arranged is installed below the grid plate, the water distribution pipe is provided with a plurality of high-pressure spray heads 12 along the length direction, the water distribution pipe is connected with a valve 14 outside the water collecting tank through a water supply pipe 13, the valve is connected with a clear water source through a pipeline, the bottom of the water collecting tank is provided with a first water pump 15, and an outlet of the first water. Be equipped with puddler 16 in the anaerobism pond, the puddler is connected with the power end of installing the driving motor 17 at anaerobism pond top, the anaerobism bottom of the pool portion is equipped with second water pump 18, second water pump outlet and oxygen deficiency pond intercommunication, this oxygen deficiency pond is through the third water pump 19 and the good oxygen pond intercommunication of bottom installation, good oxygen bottom of the pool portion is equipped with aeration machine 20, this good oxygen pond is through the first overflow pipe 21 and the sedimentation tank intercommunication that the upside set up, the sedimentation tank is through the second overflow pipe 22 and the disinfection pond intercommunication that the upside set up. The sedimentation tank bottom is equipped with and takes out mud pipe 23, takes out mud pipe bottom and wears out behind the sedimentation tank with sludge pump 24 access connection, sludge pump export and sludge impoundment 25 intercommunication so that take out the accumulational mud in sedimentation tank bottom.

Preferably, the top of the water collecting tank is provided with an access hole 26, and the tops of the anaerobic tank, the anoxic tank, the aerobic tank, the sedimentation tank and the disinfection tank are also provided with corresponding access holes.

Preferably, the gas outlet of the aerator is connected with a gas distribution pipe 27, and a plurality of gas outlets are uniformly distributed on the gas distribution pipe, so that the dissolved oxygen content in the aerobic tank is more uniformly distributed.

Aerobic bacteria filler above the gas distribution pipe is filled in the aerobic tank through the first filler carrier frame 28, anaerobic bacteria filler is filled in the anaerobic tank through the second filler carrier frame 29, and it is worth explaining that corresponding bacteria filler is correspondingly arranged in the conventional anaerobic tank, the conventional aerobic tank and the conventional anoxic tank, and the reaction and effect of various bacteria and sewage are the prior art, the utility model only improves the distribution position of the bacteria filler, so that the sewage can more fully react with the aerobic bacteria filler and the anaerobic bacteria filler, thereby achieving better purification treatment effect, for example, the second filler carrier racks 29 are symmetrically distributed at two sides of the anaerobic tank and are arranged at intervals in the vertical direction, so that the stirring blades of the stirring rod are positioned between the two filler carrier frames, and the stirring blades 30 and the second filler carrier frame 29 form a staggered position relation. In addition, with crisscross setting in the both sides inner wall of good oxygen pond of first filler carrier frame along the horizontal direction, compare in the good oxygen bacterial filler of current vertical direction distribution for sewage can be more abundant with good oxygen bacterial filler contact reaction.

In this embodiment, disinfection pond top is equipped with the dosing pump 31 that is used for throwing in the sodium hypochlorite antiseptic solution to disinfection pond inside, and the entry and the sodium hypochlorite antiseptic solution supply source of dosing pump link to each other, export is inside deeply disinfecting the pond through the pipeline.

When the utility model works, sewage enters the water collecting tank 1 from the sewage inlet pipe 7, the grid plate 9 filters floating materials in the sewage, the first water pump pumps the sewage in the water collecting tank into the anaerobic tank and reacts with anaerobic bacteria, so that organic matters in the sewage are reduced, the stirring rod 16 stirs the sewage to enable the sewage to be in contact reaction with the anaerobic bacteria more fully, and the reaction effect and the reaction efficiency are improved; then the sewage is pumped into the anoxic tank by the second water pump 18 to react with anoxic details, nitrogen in the sewage is removed, the sewage is pumped into the aerobic tank by the third water pump 19 after the reaction, oxygen generated by the aerator 20 is uniformly sprayed out through the gas distribution pipe 27 and distributed in the aerobic tank, so that the sewage can react with aerobic bacteria in the aerobic tank to degrade organic matters, the reacted water enters the sedimentation tank through the first overflow pipe 21 to be precipitated, the precipitated sludge is pumped into the sludge tank 25 through the sludge pump 24, supernatant in the sedimentation tank enters the disinfection tank through the second overflow pipe 22, sodium hypochlorite disinfectant is added into the disinfection tank by the chemical dosing pump to be disinfected, and finally the treated sewage is discharged through the sewage outlet pipe. Grid plate 9 can adhere to more debris on it after working the certain time, probably leads to sewage filtering capacity to reduce and sets up the grid plate large tracts of land and blocks up, pause this moment the utility model discloses work and with catchment pond water evacuation, then open valve 14 afterwards, the clear water at clear water source is in proper order through the delivery pipe, spout from each high pressure nozzle 12 behind the distributive pipe, carry out high pressure cleaning to the grid plate for debris are all piled up in the corner between grid plate bottom and clean water pond lateral wall, then can open debris clearance door 10, and the manual work is fished out debris, accomplishes the clearance work, so that the utility model discloses follow-up normal operating that resumes.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art can easily modify, change or modify the above embodiments according to the technical spirit of the present invention without departing from the scope of the present invention.

Claims

1. The utility model provides a thermal power plant industry sewage treatment case, includes the box, its characterized in that: a water collecting tank, an anaerobic tank, an anoxic tank, an aerobic tank, a sedimentation tank and a disinfection tank are sequentially arranged in the tank body along the flowing direction of sewage, a sewage inlet pipe is arranged on the water collecting tank, and a sewage outlet pipe is arranged on the disinfection tank;

a grid plate is obliquely arranged in the water collecting tank, a sundries cleaning door which can be opened and closed and is positioned on one side of the grid plate is arranged on the side portion of the water collecting tank, a water distribution pipe which is horizontally arranged is installed below the grid plate, a plurality of high-pressure spray heads are arranged on the water distribution pipe along the length direction, the water distribution pipe is connected with a valve outside the water collecting tank through a water supply pipe, the valve is connected with a clear water source through a pipeline, a first water pump is arranged at the bottom of the water collecting tank, and an outlet of the first water pump is communicated with;

a stirring rod is arranged in the anaerobic tank and is connected with a power end of a driving motor arranged at the top of the anaerobic tank, a second water pump is arranged at the bottom of the anaerobic tank, an outlet of the second water pump is communicated with an anoxic tank, the anoxic tank is communicated with the aerobic tank through a third water pump arranged at the bottom of the anoxic tank, and an aerator is arranged at the bottom of the aerobic tank;

the aerobic tank is communicated with the sedimentation tank through a first overflow pipe arranged on the upper side, and the sedimentation tank is communicated with the disinfection tank through a second overflow pipe arranged on the upper side.

2. The industrial sewage treatment tank of the thermal power plant as claimed in claim 1, wherein: the top of the water collecting tank is provided with an access hole.

3. The industrial sewage treatment tank of the thermal power plant as claimed in claim 1, wherein: the gas outlet of the aerator is connected with a gas distribution pipe, and a plurality of gas outlets are uniformly distributed on the gas distribution pipe.

4. The industrial sewage treatment tank of the thermal power plant as claimed in claim 3, wherein: aerobic bacteria filler positioned above the air distribution pipe is filled in the aerobic tank through the first filler carrier frame.

5. The industrial sewage treatment tank of the thermal power plant as claimed in claim 1, wherein: anaerobic bacteria filler is filled in the anaerobic tank through a second filler carrier frame.

6. The industrial sewage treatment tank of the thermal power plant as claimed in claim 1, wherein: the top of the disinfection tank is provided with a dosing pump for putting sodium hypochlorite disinfectant into the disinfection tank.

7. The industrial sewage treatment tank of the thermal power plant as claimed in claim 1, wherein: be equipped with in the sedimentation tank and take out the mud pipe, take out mud pipe bottom and wear out behind the sedimentation tank and sludge pump entry linkage, sludge pump export and sludge impoundment intercommunication.