CN211946689U - Unpowered domestic sewage treatment equipment for transformer substation - Google Patents

Abstract

The utility model relates to the technical field of domestic sewage treatment, and discloses unpowered domestic sewage treatment equipment for a transformer substation, which comprises a biological trickling filter tower and a water collecting tank, wherein the biological trickling filter tower comprises a second cavity and a first cavity, the first cavity is an anaerobic filter, the second cavity is an aerobic filter, the first cavity is positioned above the second cavity, and the first cavity is separated from the second cavity by a filter plate, the unpowered domestic sewage treatment equipment for the transformer substation is characterized in that the two-stage filter passing through the biological trickling filter tower is a high-level water distribution anaerobic filter, a novel anaerobic filter material is arranged in the filter, the anaerobic filter material is a granular filter material with different grades, COD, SS and partial ammonia phosphorus are further removed by utilizing the adsorption of the filter material and the synergistic action of microorganisms in the sewage treatment process, and intermittent water inlet is favorable for the endogenous digestion of the microorganisms in the ecological filter, the production of sludge is reduced, and the filter tank of the level basically does not discharge sludge.

Description

Unpowered domestic sewage treatment equipment for transformer substation

Technical Field

The utility model relates to a domestic sewage treatment technical field specifically is a be used for unpowered domestic sewage treatment equipment of transformer substation.

Background

The transformer substations are divided into 500kV and above transformer substations, 220kV transformer substations and transverse tube 110kV transformer substations. The general transformer substations of 500kV and above are all unattended transformer substations, and the total number of the on-duty personnel is generally 10-2 persons in a rectangular frame. The produced sewage is stable in water yield due to the fact that the person is on duty. In recent years, newly built or newly expanded transformer substations are provided with domestic sewage treatment devices, mainly powered buried type transformer substations, and the number of the transformer substations accounts for about 80%.

And the 220kV transformer substation is 40% attended through statistical investigation, and except that the maintenance and the overhaul may have personnel activities, only a plurality of days of attendance are required to regularly check once every month. And the survey shows that 15% of the existing transformer substations with the 110kV transverse pipes are attended, and the operators on duty generally only have a few persons. Therefore, the treatment of sewage in a transformer substation below 220KV becomes a difficult problem, and therefore, unpowered domestic sewage treatment equipment for the transformer substation is urgently needed to solve the difficult problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a be used for unpowered sewage treatment device of transformer substation, solved the usual unmanned on duty of transformer substation the water yield is less, discontinuous, circumstances such as unstability when less people are on duty.

(II) technical scheme

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a be used for unpowered domestic sewage treatment equipment of transformer substation, includes biological trickling filter and catch basin, biological trickling filter includes second cavity and first cavity, first cavity is the anaerobism filtering pond, the second cavity is good oxygen filtering pond, first cavity is located the top of second cavity, separate by the filter between first cavity and the second cavity, the upper and lower both ends of first cavity and the lower extreme of second cavity all are provided with a filter, the side surface of filter is in the same place with biological trickling filter's inner wall side surface fixed connection, and the equal fixedly connected with of lower surface of two filters that are located both ends about the first cavity violently manages, two the even fixedly connected with nozzle of lower surface equidistance of violently managing.

The left and right sides of catch basin is provided with an initial stage rainwater import department and domestic sewage import department respectively, the inside lower extreme of catch basin is provided with a water pump, a water pump fixedly connected with inlet tube, the upper end of inlet tube is in the same place with the upper end fixed connection of first cavity, a drain pipe of lower extreme fixedly connected with of second cavity, the inside of catch basin divide into sewage mixing area, initial stage rainwater collecting region and domestic sewage collecting region.

Preferably, the side surface of the biotrickling filter is provided with an air inlet hole and an air outlet hole.

Preferably, the air intake hole is located at a lower end of the second chamber.

Preferably, the air outlet is located at the upper end of the second chamber.

(III) advantageous effects

Compared with the prior art, the utility model provides a be used for unpowered sewage treatment device of transformer substation possesses following beneficial effect:

1. this a be used for unpowered domestic sewage treatment equipment of transformer substation, through the two-stage filtering pond of biological trickling filter tower, the first order filtering pond is high-order water distribution anaerobism filtering pond, dispose novel anaerobism filter material in the filtering pond, the anaerobism filter material is the granule filter material of different grades of joining in marriage, through utilizing the filter material to adsorb, microorganism synergism, further get rid of COD, SS and partial aminophosphorus, intermittent type formula is intake and is favorable to the endogenous digestion of microorganism in the ecological filtering pond, reduce the output of mud, this level filtering pond does not arrange mud basically.

2. This be used for unpowered domestic sewage treatment equipment of transformer substation, because initial stage rainwater pollution is heavier, the domestic sewage water yield is unstable, and does not have stable the intaking at the transformer substation, consequently collects the back with both, and the misce bene reaches the effect that quality of water is stable.

Drawings

Fig. 1 is a schematic structural view of the bio-trickling filter of the present invention;

FIG. 2 is a schematic structural view of the filter plate of the present invention;

fig. 3 is a schematic structural diagram of the water collecting tank of the present invention.

In the figure: 1 biological trickling filtration tower, 11 horizontal pipes, 12 filter plates, 13 second chambers, 14 first chambers, 15 air outlet holes, 16 nozzles, 17 air inlet holes, 18 water inlet pipes, 19 drain pipes, 2 water collecting tanks, 21 domestic sewage inlet positions, 22 initial rainwater inlet positions, 23 sewage mixing regions, 24 domestic sewage collecting regions and 25 initial rainwater collecting regions.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3: a sewage treatment device without power for a transformer substation comprises a biological trickling filter 1 and a water collection tank 2, wherein the biological trickling filter 1 comprises a second chamber 13 and a first chamber 14, the first chamber 14 is an anaerobic filter, the second chamber 13 is an aerobic filter, the first chamber 14 is positioned above the second chamber 13, the first chamber 14 is separated from the second chamber 13 by a filter plate 12, the upper end and the lower end of the first chamber 14 and the lower end of the second chamber 13 are both provided with a filter plate 12, the side surface of the filter plate 12 is fixedly connected with the side surface of the inner wall of the biological trickling filter 1, the lower surfaces of the two filter plates 12 positioned at the upper end and the lower end of the first chamber 14 are both fixedly connected with a transverse pipe 11, and the lower surfaces of the two transverse pipes 11 are uniformly and fixedly connected with nozzles 16 at equal intervals;

the side surface of the biological trickling filter 1 is provided with an air inlet 17 and an air outlet 15, the air inlet 17 is positioned at the lower end of the second chamber 13, the air outlet 15 is positioned at the upper end of the second chamber 13, the intermittent water feeding is favorable for endogenous digestion of microorganisms in the ecological filter, the sludge production is reduced, the filter is basically not discharged, each filter plate 12 is provided with uniform water leakage holes, in the sewage dripping process, the required oxygen content for decomposing organic matters can be fully supplemented, the filter main body is of a glass steel structure and is made into integrated equipment, the filler is ceramsite, sand, coal slag and the like, the oxygen in an aerobic area mainly passes through the lowest side air hole, and air enters through the difference of convection pressure difference generated from top to bottom.

The left and right sides of catch basin 2 is provided with an initial stage rainwater import department 22 and domestic sewage import department 21 respectively, and the inside lower extreme of catch basin 2 is provided with a water pump, and inlet tube 18 of water pump fixedly connected with, the upper end of inlet tube 18 and the upper end fixed connection of first cavity 14 are in the same place, and a drain pipe 19 of lower extreme fixedly connected with of second cavity 13, as shown in fig. 3: the inside of the water collecting tank 2 is divided into a sewage mixing area 23, an initial rainwater collecting area 25 and a domestic sewage collecting area 24.

When in use:

the sewage of collecting passes through the water pump promotion back, evenly spray to 1 anoxic zone of biological trickling filter, biological trickling filter 1 comprises the two-stage filtering pond, the first order filtering pond is high-order water distribution anaerobism filtering pond, dispose novel anaerobism filter material in the filtering pond, the anaerobism filter material is the granule filter material of different grades of joining in marriage, through utilizing the filter material to adsorb in sewage treatment process, microorganism synergism, further get rid of COD, SS and partial aminophosphorus, the intermittent type formula is intake and is favorable to the endogenous digestion of microorganism in the ecological filtering pond, reduce the production of mud, this stage filtering pond does not arrange mud basically.

The second-stage tower layer is internally provided with an aerobic zone filter material layer which is about 30cm and mainly takes novel fillers, the aerobic zone filter material layer is a main area for treating domestic sewage, the fillers consist of fillers with different grain sizes and different types, uniform water outlet holes are distributed below each tower layer, in the process of dropping sewage, oxygen required by decomposition of organic matters can be fully supplemented, the filter tank main body is made into integrated equipment by adopting a glass steel structure, the fillers are ceramsite, sand, coal slag and the like, oxygen in the aerobic zone mainly passes through the lowest side vent hole, air enters through difference of upper and lower generated convection pressure differences, and the treated water can be discharged when reaching the standard. When the water quality does not reach the standard, a backflow mode is adopted, and the water is converged to the water collecting tank.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (3)

1. The utility model provides a be used for unpowered domestic sewage treatment device of transformer substation, includes biological trickling filter (1) and water catch bowl (2), its characterized in that: the biological trickling filter (1) comprises a second chamber (13) and a first chamber (14), the first chamber (14) is an anaerobic filter, the second chamber (13) is an aerobic filter, the first chamber (14) is located above the second chamber (13), the first chamber (14) is separated from the second chamber (13) by a filter plate (12), the upper end and the lower end of the first chamber (14) and the lower end of the second chamber (13) are both provided with the filter plate (12), the side surface of the filter plate (12) is fixedly connected with the side surface of the inner wall of the biological trickling filter (1), the lower surfaces of the two filter plates (12) located at the upper end and the lower end of the first chamber (14) are both fixedly connected with a transverse pipe (11), and the lower surfaces of the transverse pipes (11) are both equidistantly and fixedly connected with nozzles (16).

2. The unpowered domestic sewage treatment equipment for transformer substations according to claim 1 is characterized by that: an air inlet hole (17) and an air outlet hole (15) are formed in the side surface of the bio-trickling filter (1), the air inlet hole (17) is located at the lower end of the second cavity (13), and the air outlet hole (15) is located at the upper end of the second cavity (13).

3. The unpowered domestic sewage treatment equipment for transformer substations according to claim 1 is characterized by that: the left and right sides of catch basin (2) is provided with an initial stage rainwater import department (22) and domestic sewage import department (21) respectively, the inside lower extreme of catch basin (2) is provided with a water pump, water pump fixedly connected with inlet tube (18), the upper end of inlet tube (18) is in the same place with the upper end fixed connection of first cavity (14), lower extreme fixedly connected with drain pipe (19) of second cavity (13), the inside of catch basin (2) divide into sewage mixing area (23), initial stage rainwater collecting region (25) and domestic sewage collecting region (24).

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