CN217868539U - Sewage treatment device convenient to move - Google Patents

Abstract

The utility model discloses a sewage treatment device convenient to remove, including the container to and biochemical reaction system and the apparatus room of setting in the container, biochemical reaction system is including denitration room, anaerobic chamber, anoxic chamber, aerobic chamber, backward flow room, drip chamber, filter chamber and clear water room in advance. The movable sewage treatment equipment integrates the biochemical reaction system and the equipment room in the container, saves occupied land, is convenient and quick to install, shortens the construction period and saves the engineering construction cost; the pre-denitrification area is added, so that nitrite, nitrate and oxygen contained in the sewage inflow water and the return sludge can be removed in an anoxic area. The strict anaerobic state of a subsequent anaerobic zone is ensured, and phosphorus-accumulating bacteria are promoted to release phosphorus in the body to a great extent; a certain amount of suspended fillers are added into the aerobic tank, and the suspended fillers are contacted with organic pollutants in the sewage, so that the biological concentration and the biological phase in the aerobic tank are increased, and the treatment efficiency of the aerobic tank is improved.

Description

Sewage treatment device convenient to move

Technical Field

The utility model relates to a sewage treatment technical field, concretely relates to sewage treatment device convenient to remove.

Background

As the pollution of water resources is increasingly serious, the function of sewage treatment is increasingly important. And the village and town sewage mainly comprises domestic sewage and agricultural wastewater. The domestic sewage has fixed components, mainly contains organic matters such as carbohydrate, protein, amino acid, fat and the like, is suitable for the growth of bacteria, becomes a place for the survival and propagation of bacteria and viruses, does not generally contain toxicity, has certain fertilizer efficiency and can be used for irrigating farmlands. The agricultural wastewater has various components, and different treatment methods are needed for wastewater in villages and towns with different development targets in different seasons, different places and different development targets. In order to reduce the discharge amount and complexity of sewage during sewage treatment, a methane tank is basically adopted to separate toilet flushing water (black water) and other domestic water (grey water) in domestic water. The grey water is treated by a natural purification system, and the black water and human and animal excreta are treated by an anaerobic methane tank.

The existing village and town sewage treatment station has the following defects: the sewage station adopting the civil engineering pond type has long construction period, more invested constructors, high construction cost, complex equipment and high cost, and can not reasonably utilize rural land area.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sewage treatment device convenient to remove.

In order to achieve the above purpose, the utility model provides a following technical scheme: a sewage treatment device convenient to move comprises a container, and a biochemical reaction system and a device chamber which are arranged in the container, wherein the biochemical reaction system comprises:

the system comprises a pre-denitration chamber, a sewage inlet pipe and a sewage outlet pipe, wherein the pre-denitration chamber is used for removing nitrate and oxygen in raw sewage and return sludge, and an air exhaust system and a sewage inlet pipe for performing vacuum treatment on the pre-denitration chamber are arranged in the pre-denitration chamber;

the anaerobic chamber is used for acquiring sewage of the pre-denitration chamber and releasing phosphorus from the sewage;

the anoxic chamber is used for acquiring sewage of the pre-anaerobic chamber and performing denitrification on the sewage;

an aerobic chamber used for obtaining sewage of the pre-anoxic chamber and degrading organic matters, ammonia nitrogen nitrification and excessive phosphorus uptake in the sewage;

the device comprises a backflow chamber, a mixed liquid backflow air-lifting device and a mixed liquid backflow air-lifting branch pipe, wherein the backflow chamber is used for acquiring sewage of a pre-aerobic chamber and returning nitrified liquid to an anoxic chamber;

the sludge pre-denitration device comprises a pre-denitration chamber, a sedimentation chamber and a sludge separation chamber, wherein the sedimentation chamber is used for obtaining sewage of the pre-denitration chamber and separating the sewage from sludge, a sludge discharge air-lifting device and a return sludge air-lifting device are arranged in the sedimentation chamber, the sludge discharge air-lifting device is communicated with a sludge discharge pipeline, the return sludge air-lifting device is communicated with a sludge return pipeline, and the sludge return pipeline is communicated with the pre-denitration chamber;

the filter chamber is used for obtaining sewage in the pre-precipitation chamber and separating the sewage, activated sludge and suspended matters, porous sponge filler is arranged in the filter chamber, a backwashing gas stripping device is arranged in the filter chamber, and the backwashing gas stripping device is connected with a backwashing gas stripping gas distribution branch pipe; and

and the clear water chamber is used for acquiring and disinfecting the sewage in the pre-filtering chamber.

Furthermore, a suspended filler is arranged in the aerobic chamber, and an aeration system is vertically arranged in the aerobic chamber.

Furthermore, stirrers are arranged inside the pre-denitration chamber, the anaerobic chamber and the anoxic chamber.

Further, the indoor fan that is provided with of equipment, this fan pass through pipeline and denitration room in advance, anaerobic chamber, anoxic chamber, aerobic chamber, backward flow room, precipitation chamber, filter chamber, clear water room intercommunication respectively carry out the air feed.

Further, the suspended filler is specifically MBBR filler.

Further, the container is made of carbon steel anticorrosive materials.

According to the above technical scheme, the utility model discloses following beneficial effect has:

the movable sewage treatment equipment integrates the biochemical reaction system and the equipment room in the container, saves occupied land, is convenient and quick to install, shortens the construction period and saves the engineering construction cost;

the pre-denitrification area is added, so that nitrite, nitrate and oxygen contained in the sewage inflow water and the return sludge can be removed in an anoxic area. The strict anaerobic state of a subsequent anaerobic zone is ensured, and phosphorus-accumulating bacteria are promoted to release phosphorus in the body to a great extent;

a certain amount of suspended fillers are added into the aerobic tank, a biological film is formed on the surface of the suspended fillers, organic pollutants are decomposed and metabolized through contact with organic pollutants in sewage, a double biological method of biological contact oxidation and activated sludge is formed in the tank, the pollutants in the sewage are treated, the biological concentration and the biological phase in the aerobic tank are increased, the treatment efficiency of the aerobic tank is improved, in addition, the suspended fillers are kept in a suspended state in the tank body, and in the aeration state of the tank bottom, the suspended fillers roll up and down to cut bubbles, so that the conversion rate of dissolved oxygen in the sewage is increased.

Drawings

FIG. 1 is a schematic view of the top view of the sewage treatment apparatus of the present invention;

FIG. 2 isbase:Sub>A schematic structural view ofbase:Sub>A sectional view A-A of the sewage treatment apparatus of the present invention;

FIG. 3 is a schematic structural view of a sectional view B-B of the sewage treatment apparatus of the present invention;

FIG. 4 is a schematic view of the structure of the stirrer of the present invention;

fig. 5 is a schematic view of the structure of the rotating fan blade of the present invention.

In the figure: 1. a container; 2. an equipment room; 210. a fan; 310, a pre-denitration chamber; 311. a sewage inlet pipe; 320. an anaerobic chamber; 330. an anoxic chamber; 340. an aerobic chamber; 341. suspending the filler; 342. an aerator; 350. a reflux chamber; 351. a mixed liquid reflux gas stripping device; 352. the mixed liquid reflux gas is stripped to distribute gas branch pipes; 360. a settling chamber; 361. a sludge discharge and air stripping device; 362. a return sludge gas stripping device; 363. a sludge discharge pipeline; 364. a sludge return line; 365. a slag discharge gas stripping device; 366. distributing branch pipes of a deslagging gas stripping device; 367. a slag discharge pipeline; 370. a filtering chamber; 371. backwashing the gas stripping device; 372. backwashing the gas stripping gas distribution branch pipe; 380. a clear water chamber; 4. a stirrer; 410. stirring the branch pipe; 420. rotating the fan blades; 430. a stirring rod; 5. and (4) screening.

Detailed Description

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in 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.

Please refer to fig. 1-5, the utility model provides a sewage treatment device convenient to remove, including container 1, container 1 adopts carbon steel anticorrosive material, long service life, inside at container 1 is provided with biochemical reaction system and equipment room 2, equipment room 2 sets up the rear end at container 1, biochemical reaction system sets up the front end at container 1, wherein biochemical reaction system is including carrying out the preliminary denitration room 310 of handling to sewage in proper order, anaerobic room 320, oxygen deficiency room 330, aerobic room 340, backward flow room 350, drip chamber 360, filter chamber 370 and clear water room 380, be provided with sewage admission pipe 311 in the preliminary denitration room 310, this sewage admission pipe 311 passes through equipment room 2, set up air exhaust system in the inside of preliminary denitration room 310 simultaneously, take out the indoor air of preliminary denitration through air exhaust system, carry out vacuum treatment, make the sewage of entering in the condition of preliminary denitration district fully get rid of nitrite, nitrate and oxygen in former sewage and the backward flow mud, anaerobic strict environment has been built to the anaerobic zone, the effect of the release of intensive anaerobism of intensive phosphorus-gathering fungus is strengthened.

The anaerobic chamber 320 is communicated with the pre-denitrification chamber 310, phosphorus is released by phosphorus accumulating bacteria in the sewage in an anaerobic state (D0 is less than 0.3 mg/L) through the anaerobic chamber, the phosphorus absorption efficiency of the sewage in the aerobic chamber is fully improved, and then the sewage is conveyed to the anoxic chamber 330; the anoxic chamber 330 reduces the nitrate into nitrogen by using nitrogen in the nitrate as an electron acceptor under the condition that the dissolved oxygen concentration is extremely low, thereby realizing the denitrification process of the sewage, simultaneously providing partial alkalinity for the subsequent nitrification of the aerobic zone, providing favorable conditions for the subsequent nitrification of the aerobic zone, and then conveying the sewage to the aerobic chamber 340; the aerobic chamber 340 is filled with suspended filler 341, the suspended filler 341 is MBBR filler, and an aeration system is vertically arranged in the aerobic chamber 340, the aeration system is specifically an aerator 342, the suspended filler is kept in a suspended state in the tank body, the suspended filler rolls up and down in the aeration state of the tank bottom to cut bubbles, the conversion rate of dissolved oxygen in sewage is increased, and the microorganisms in the activated sludge in the aerobic chamber of the suspended filler are used for carrying out aerobic treatment on the sewage under the aerobic conditionOne part of the organic matter is used for synthesizing new cells, and the other part of the organic matter is catabolized to obtain the energy required for cell synthesis, and the final product is CO ₂ And H ₂ O and other stable substances are gradually converted into nitrite and nitrate under the condition that dissolved oxygen is sufficient while organic matters are oxidized, phosphorus-accumulating bacteria excessively absorb phosphorus in the sewage to form high-concentration phosphorus-containing sludge, the aerobic chamber and the anaerobic chamber are matched for dephosphorization, and then the treated sewage is conveyed to the reflux chamber 350;

the sewage circulation department of backwash chamber 350 and good oxygen room 340 sets up screen cloth 5, prevent the filler outflow, the inside of backwash chamber 350 is provided with mixed liquid backward flow air-lifting device 351, mixed liquid backward flow air-lifting device 351 goes up the intercommunication has mixed liquid backward flow air-lifting distribution branch pipe 352, mixed liquid backward flow air-lifting distribution branch pipe 352 is linked together with the oxygen deficiency room, can flow back to the oxygen deficiency room with the nitration liquid that produces in the sewage through mixed liquid backward flow air-lifting device 351 and mixed liquid backward flow air-lifting distribution branch pipe 352, practice thrift the power consumption, and still be provided with out the mill weir in the backwash chamber, pass through out the mill weir with sewage defeated to drip chamber 360, be provided with aeration systems in the backwash chamber.

A sludge discharge air-lifting device 361 and a return sludge air-lifting device 362 are arranged in the settling chamber 360, a sludge discharge pipeline 363 and a sludge discharge air-distribution branch pipe are communicated with the sludge discharge air-lifting device 361, a sludge return pipeline 364 and a return sludge air-distribution branch pipe are communicated with the return sludge air-lifting device 362, the sludge return pipeline 364 is communicated with the pre-denitrification chamber, sewage is settled in the settling chamber, then the settled sludge is discharged to a sludge tank through the sludge discharge air-lifting device 361, the sludge discharge air-distribution branch pipe and the sludge discharge pipeline 363, the sludge which is not discharged is conveyed to the pre-denitrification chamber 310 through the return sludge air-lifting device 362 and the sludge return pipeline 364 for retreatment, in addition, a slag discharge air-distribution branch pipe 365 of the slag discharge air-lifting device is also arranged in the settling chamber, scum on the surface of the settling chamber is discharged at regular time, and then the treated sewage enters a filtering chamber 370; meanwhile, a slag discharge air stripping device 365 is arranged in the settling chamber 360, the slag discharge air stripping device 365 is communicated with a gas distribution branch pipe 366 of the slag discharge air stripping device, the gas distribution branch pipe of the slag discharge air stripping device is communicated with a slag discharge pipeline 367, and scum on the surface of the sewage is discharged through the slag discharge air stripping device, the gas distribution branch pipe of the slag discharge air stripping device and the slag discharge pipeline.

Porous sponge packing is arranged in the filtering chamber 370, a backwash gas stripping device 371 is arranged in the filtering chamber 370, the backwash gas stripping device 371 is connected with a backwash gas stripping gas distribution branch pipe 372, mud, water and suspended matter are separated by utilizing a porous structure of the porous sponge packing, intercepted active sludge and suspended matter are discharged through the backwash gas stripping gas distribution branch pipe 372 after being backwashed by the backwash gas stripping device 371, then sewage is conveyed to a clean water chamber 380, sodium chlorate is put into the clean water chamber, the sewage is disinfected, and the content of water-outlet escherichia coli meets the requirement of a discharge standard.

The inside of the pre-denitration chamber 310, the anaerobic chamber 320 and the anoxic chamber 330 is provided with a stirrer 4, the stirrer comprises a stirring branch pipe 410, a rotating fan blade 420 connected with the bottom of the stirring branch pipe, and a stirring rod 430 connected with the central shaft of the rotating fan blade, a fan 210 and an electric control cabinet 220 are arranged in the equipment chamber 2, the fan is respectively communicated with the pre-denitration chamber 310, the anaerobic chamber 320, the anoxic chamber 330, the aerobic chamber 340, the reflux chamber 350, the settling chamber 360, the filtering chamber 370 and the clean water chamber 380 through the stirring branch pipe to supply air, and a valve is arranged on each stirring branch pipe to facilitate air volume adjustment and automatic control switch, when the air enters the pre-denitration chamber 310, the anaerobic chamber 320 and the anoxic chamber 330 through the stirring branch pipe, the air can drive the rotating fan blade 420 to rotate when being output through the stirring branch pipe, thereby driving the stirring rod to rotate, stirring the sewage while supplying air, and ensuring the sewage treatment effect.

The working principle is as follows: sewage enters the pre-denitrification chamber through the sewage inlet pipe, air in the pre-denitrification chamber is pumped out through the air pumping system, so that nitrite, nitrate and oxygen in raw sewage and returned sludge are fully removed in a pre-denitrification area under the anoxic condition, the strict anaerobic state of a subsequent anaerobic chamber is ensured, the sewage flows into the anaerobic chamber, phosphorus in the sewage is released by phosphorus accumulating bacteria under the anaerobic environment and then enters the anoxic chamber, and the denitrifying bacteria in the sewage utilize nitrogen in the nitrate as an electron acceptor under the condition that the dissolved oxygen concentration is extremely low, so that the nitrate is reduced into nitrogenThereby realize the denitrogenation process of sewage, denitrification can provide partial basicity simultaneously, provide the advantage for the nitrification of follow-up good oxygen district, carry to the aerobic room after denitrogenation treatment to sewage, the suspension thing of aerobic indoor keeps the state of suspension in the cell body, under the state of bottom of the pool aeration, the suspension carrier rolls from top to bottom, cut the bubble, the conversion rate of dissolved oxygen in the sewage has been increased, through the microorganism of suspension thing in the good oxygen room activated sludge, be used for synthesizing new cell with partly organic matter in the sewage under the aerobic condition, carry out catabolism so that obtain the energy that cell synthesis needs with partly organic matter, its final product is CO ₂ And H ₂ O and other stable substances are oxidized, organic nitrogen and free ammonia nitrogen in sewage are gradually converted into nitrite and nitrate under the condition that dissolved oxygen is sufficient, phosphorus accumulating bacteria excessively absorb phosphorus in the sewage to form high-concentration phosphorus-containing sludge, the aerobic chamber and the anaerobic chamber are matched for phosphorus removal, the treated sewage is conveyed to a reflux chamber, the reflux chamber isolates suspended carriers in the aerobic chamber, nitrified liquid flows back to an anoxic zone, the sewage flows into a settling chamber, the sewage is settled in the settling chamber, the settled sludge is discharged to a sludge tank through a sludge discharge air stripping device and a sludge discharge pipeline, the sludge which is not discharged is conveyed to a pre-denitrification chamber for retreatment through a reflux sludge air stripping device and a sludge reflux pipeline, a residue discharge air distribution branch pipe is further arranged in the settling chamber to discharge scum on the surface of the settling chamber regularly, the treated sewage enters a filter chamber, porous sponge filler in the filter chamber is used for separating sludge, water and suspended matters from the sewage, intercepted active sludge and intercepted ammonia nitrogen are discharged through the air distribution branch pipe, the air distribution branch pipe is used for discharging the treated sewage into a gas distribution branch pipe, and the sewage is discharged into a sewage backwash water chamber, and the sewage backwash water treatment water is sterilized.

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 (6)

1. The utility model provides a sewage treatment device convenient to remove, includes container (1) to and biochemical reaction system and equipment room (2) of setting in the container, its characterized in that, biochemical reaction system includes:

the system comprises a pre-denitration chamber (310) for removing nitrate and oxygen in raw sewage and return sludge, wherein an air extraction system and a sewage inlet pipe (311) for performing vacuum treatment on the pre-denitration chamber are arranged in the pre-denitration chamber (310);

an anaerobic chamber (320) for taking the sewage of the pre-denitrification chamber and releasing phosphorus from the sewage;

an anoxic chamber (330) for taking sewage from the pre-anaerobic chamber and denitrifying the sewage;

an aerobic chamber (340) for obtaining the sewage of the pre-anoxic chamber and degrading organic matters, ammonia nitrogen nitration and excessive phosphorus uptake in the sewage;

the device comprises a backflow chamber (350) for obtaining sewage of the pre-aerobic chamber and refluxing a nitrified liquid to an anoxic chamber, wherein a mixed liquid backflow gas stripping device (351) is arranged in the backflow chamber (350), the mixed liquid backflow gas stripping device (351) is communicated with a mixed liquid backflow gas stripping gas distribution branch pipe (352), and the mixed liquid backflow gas stripping gas distribution branch pipe (352) is communicated with the anoxic chamber;

the device comprises a settling chamber (360) used for obtaining sewage of the pre-reflux chamber and separating the sewage and sludge, wherein a sludge discharge stripping device (361) and a reflux sludge stripping device (362) are arranged in the settling chamber (360), the sludge discharge stripping device (361) is communicated with a sludge discharge pipeline (363), the reflux sludge stripping device (362) is communicated with a sludge reflux pipeline (364), and the sludge reflux pipeline (364) is communicated with the pre-denitrification chamber;

a filter chamber (370) for obtaining sewage of the pre-settling chamber and separating the sewage, activated sludge and suspended matters, wherein a porous sponge filler is arranged in the filter chamber (370), a backwash air stripping device (371) is arranged in the filter chamber (370), and the backwash air stripping device (371) is connected with a backwash air stripping air distribution branch pipe (372); and

and a clean water chamber (380) for taking sewage of the pre-filtering chamber and sterilizing the sewage.

2. The sewage treatment apparatus convenient to move according to claim 1, wherein: a suspended filler (341) is arranged in the aerobic chamber (340), and an aeration system is vertically arranged in the aerobic chamber (340).

3. The sewage treatment apparatus convenient to move according to claim 1, wherein: stirrers are arranged in the pre-denitration chamber (310), the anaerobic chamber (320) and the anoxic chamber (330).

4. The portable sewage treatment apparatus according to claim 1, wherein: a fan (210) is arranged in the equipment chamber (2), and the fan is communicated with the pre-denitration chamber (310), the anaerobic chamber (320), the anoxic chamber (330), the aerobic chamber (340), the reflux chamber (350), the settling chamber (360), the filter chamber (370) and the clean water chamber (380) through pipelines to supply air.

5. The sewage treatment apparatus convenient to move according to claim 2, wherein: the suspended filler (341) is specifically an MBBR filler.

6. The sewage treatment apparatus convenient to move according to claim 1, wherein: the container (1) is made of carbon steel anticorrosive material.

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