Small efficient sewage treatment device

Abstract

The utility model discloses a small-sized efficient sewage treatment device, which belongs to the technical field of sewage treatment, and adopts the technical scheme that the small-sized efficient sewage treatment device comprises a box body, a manhole, a circulating mechanism and a treatment mechanism, the manhole is arranged at the top of the box body, the circulating mechanism is arranged at the top of the inner side of the box body, and the treatment mechanism is arranged at the inner side of the box body; by arranging the box body, the manhole and the circulating mechanism, the box body can support and limit the manhole, the whole circulating mechanism and the whole treatment mechanism, a user can conveniently enter the box body through the manhole to maintain the whole structure of the circulating mechanism, and an aeration valve can control opening and closing of an aeration pipe; the aeration pipe and the backwashing reflux pump pipe perform aeration and backwashing operation on the inside of the treatment mechanism, so that hardening in the treatment mechanism can be avoided, the sludge reflux pump pipe can convey sludge filtered by the treatment mechanism to a filtering position to form circulating filtration, the microbial biomass at the filtering position can be increased, and the sewage denitrification efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field, especially a kind of small high-efficiency sewage treatment device. BACKGROUND

[0002] It is known that in recent years, with the development of economy and the improvement of living standards in rural areas of China, water consumption increases sharply, and rural domestic sewage discharge also increases continuously, and due to lack of treatment funds and weak water environment protection awareness of rural residents, scattered residence, lack of sewage collection pipe network system and centralized treatment facilities, resulting in low sewage treatment rate, arbitrary discharge of rural domestic sewage not only pollutes the river flowing through, but also poses a potential threat to drinking water safety, at present, the state attaches great importance to the treatment of rural domestic sewage, and the development of a kind of rural sewage treatment device with high integration degree, compact structure, good treatment effect, small land occupation and economic convenience according to the actual situation of rural areas is imminent.

[0003] When the existing sewage treatment is carried out by biological membrane, the biological membrane is arranged on the inner wall of the tank, which is inconvenient to replace, and in the case of large sewage flow rate, it can affect the SS removal rate in the sedimentation tank in the sewage treatment device, and further lead to unsatisfactory sewage treatment effect;

[0004] The existing patent (publication number: CN212025098U) discloses a kind of high-efficiency small sewage treatment device, including bottom plate, the inside of plugboard is equipped with membrane tank, biological membrane is fixedly installed in the inside of membrane tank, first connecting pipe is fixedly installed in the inside of shunt box, water pressure sensor is arranged in the one end of first connecting pipe, the middle part of first connecting pipe is respectively communicated with the water inlet of first spiral pipe, the water outlet of second connecting pipe and the water outlet of second spiral pipe, the water outlet of first spiral pipe is respectively connected with the water inlet of second connecting pipe and the water inlet of second spiral pipe, this utility model discloses a kind of high-efficiency small sewage treatment device, through water pressure sensor and each electromagnetic valve, sewage is divided, thereby reducing the load of primary sedimentation tank, guaranteeing the normal operation of flocculation in primary sedimentation tank when sewage flow rate is too large, so as to improve the SS removal rate of sedimentation tank, and side side is equipped with movable plugboard and side plate, to facilitate replacement biological membrane.

[0005] In view of the above problems, the existing patent provides a solution, but when treating sewage, due to the lack of integrated filter and disinfection structure, the space occupation is increased, the switching structure for taking out the filter filler and treating sewage sediment is lacked, thus the efficiency of treating sewage sediment is reduced, the aeration backwashing structure for filtering sewage is lacked, which easily causes the filler to be hardened, the air-lift sludge recycling structure is lacked, the sludge cannot be sent back to the filler, the content of filler microorganisms is reduced, the efficiency of denitrification is reduced, the structure for conveniently maintaining the internal structure is lacked, thus the internal structure is inconvenient to maintain, and the clean water disinfection structure after separation is lacked, thus the clean water cannot be disinfected.

[0006] Therefore, a small and efficient sewage treatment device is provided. Content of the utility model

[0007] The utility model discloses a small and efficient sewage treatment device, which can solve the problems that when treating sewage, due to the lack of integrated filter and disinfection structure, the space occupation is increased, the switching structure for taking out the filter filler and treating sewage sediment is lacked, thus the efficiency of treating sewage sediment is reduced, the aeration backwashing structure for filtering sewage is lacked, which easily causes the filler to be hardened, the air-lift sludge recycling structure is lacked, the sludge cannot be sent back to the filler, the content of filler microorganisms is reduced, the efficiency of denitrification is reduced, the structure for conveniently maintaining the internal structure is lacked, thus the internal structure is inconvenient to maintain, and the clean water disinfection structure after separation is lacked, thus the clean water cannot be disinfected.

[0008] To achieve the above object, the utility model provides the following technical scheme: a small and efficient sewage treatment device, which comprises a box body, a manhole, a circulating mechanism and a treatment mechanism, the manhole is arranged at the top of the box body, the circulating mechanism is arranged at the top of the inner side of the box body, and the treatment mechanism is arranged at the inner side of the box body.

[0009] The circulating mechanism comprises an aeration valve, a sludge backflow pump pipe, a backwashing backflow pump pipe and an aeration pipe, the aeration valve is communicated at the top of the inner side of the box body, the sludge backflow pump pipe is communicated at the top of the inner side of the box body, the backwashing backflow pump pipe is communicated at the top of the inner side of the box body away from the sludge backflow pump pipe, the aeration pipe is communicated at the bottom of the aeration valve, the output end of the sludge backflow pump pipe is communicated with the treatment mechanism, the output end of the backwashing backflow pump pipe is communicated with the treatment mechanism, and the output end of the aeration pipe is communicated with the treatment mechanism.

[0010] Preferably, the treatment mechanism comprises a filter assembly and a disinfection assembly, the filter assembly is arranged at the inner side of the box body, and the disinfection assembly is arranged at the rear side of the box body.

[0011] Preferably, the filter assembly comprises an inlet valve, a treatment box, a filler, a sludge tank and an inclined baffle, the inlet valve is communicated at the front side of the box body, the treatment box is fixedly connected at the front side of the inner side of the box body, the front side of the treatment box is communicated with the rear side of the inlet valve, the filler is arranged at the inner side of the treatment box, the sludge tank is fixedly connected at the bottom of the inner side of the box body, the top of the front side of the sludge tank is communicated with the bottom of the treatment box, the surface of the sludge tank is fixedly connected with the inclined baffle, the bottom of the inclined baffle is fixedly connected with the bottom of the inner side of the box body, the rear side of the treatment box is communicated with the output end of the backwashing reflux pump pipe, the bottom of the rear side of the treatment box is communicated with the output end of the aeration pipe, the top of the rear side of the treatment box is communicated with the output end of the sludge reflux pump pipe, and the input end of the bottom of the sludge reflux pump pipe is communicated with the top of the sludge tank.

[0012] Preferably, the disinfection assembly comprises a clean water tank, a drain pipe and a disinfection chlorine tablet, the clean water tank is fixedly connected at the rear side of the inner side of the box body, the drain pipe is communicated at the rear side of the clean water tank, the rear side of the drain pipe penetrates through the box body and is communicated with the rear side of the box body, and the disinfection chlorine tablet is clamped at the top of the front side of the drain pipe.

[0013] Preferably, the bottom of the rear side of the inner side of the box body is welded with a drainage plate, the top of the drainage plate is in contact with the rear side of the inclined baffle, and the drainage plate is arranged in an arc shape.

[0014] Preferably, the front side of the bottom of the inner side of the box body is welded with a flow guide bin, and the inner side of the rear side of the flow guide bin is clamped with both sides of the drainage plate.

[0015] Preferably, the bottom of the front side of the drain pipe is communicated with a circulating tank, and the top of the inner side of the circulating tank is in contact with the front side of the bottom of the disinfection chlorine tablet.

[0016] Preferably, the rear side of the drain pipe is bolted with a connecting head, and the inner side of the connecting head is provided with a sealing structure.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] 1、Through the setting of the box body, the manhole and the circulating mechanism, the box body can support and limit the manhole, the circulating mechanism whole and the treatment mechanism whole, the manhole can facilitate the user to enter the box body and maintain the circulating mechanism whole structure, the aeration valve can control the opening and closing of the aeration pipe, so that the aeration pipe and the backwashing reflux pump pipe can carry out aeration and backwashing operation in the treatment mechanism, thereby the hardening in the treatment mechanism can be avoided, the sludge reflux pump pipe can deliver the sludge filtered by the treatment mechanism to the filtering position, form a circulating filtration, and can increase the amount of microorganisms in the filtering position, improve the efficiency of denitrification of sewage.

[0019] 2. This application, by setting up a treatment mechanism, allows the filtration component to work in conjunction with the disinfection component. Through the inlet valve, an external sewage conveying device can be connected to transport sewage into the treatment tank, where the packing material filters and denitrifies the sewage. The sludge tank can deposit sludge in the filtered sewage and intercept the sludge through inclined baffles, allowing clean water to be transported through the isolation plate to the clean water tank. The clean water tank can then transport the clean water to the drain pipe, where it is disinfected with disinfectant chlorine tablets. The drain pipe can then discharge the disinfected clean water. Attached Figure Description

[0020] Figure 1 This is an overall structural diagram of the small, high-efficiency wastewater treatment device of this utility model;

[0021] Figure 2 This is a schematic diagram showing the connection between the housing and the circulation mechanism of this utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the circulation mechanism of this utility model;

[0023] Figure 4 This is a schematic diagram of the processing mechanism of this utility model;

[0024] Figure 5 This is a schematic diagram of the structure of the filter assembly of this utility model;

[0025] Figure 6 This is a schematic diagram of the structure of the disinfection component of this utility model.

[0026] In the diagram, 1. Box body; 2. Manhole; 3. Circulation mechanism; 31. Aeration valve; 32. Sludge return pump pipe; 33. Backwash return pump pipe; 34. Aeration pipe; 4. Treatment mechanism; 41. Filter assembly; 411. Liquid inlet valve; 412. Treatment tank; 413. Packing material; 414. Sludge tank; 415. Inclined partition; 416. Drainage plate; 417. Flow guide chamber; 42. Disinfection assembly; 421. Clean water tank; 422. Drain pipe; 423. Disinfectant chlorine tablets; 424. Circulation tank; 425. Connector. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Please see Figures 1-6 The present invention provides the following technical solution:

[0029] The utility model provides a small -size high -efficient sewage treatment device, including box 1, manhole 2, circulating mechanism 3 and treatment mechanism 4, manhole 2 is established at the top of box 1, circulating mechanism 3 is established at the top of the inside of box 1, and treatment mechanism 4 is established at the inside of box 1,

[0030] Circulating mechanism 3 including aeration valve 31, sludge backflow pump pipe 32, backwash backflow pump pipe 33 and aeration pipe 34, aeration valve 31 is communicated at the top of the inside of box 1, sludge backflow pump pipe 32 is communicated at the top of the inside of box 1, backwash backflow pump pipe 33 is communicated at the top of the inside of box 1 away from sludge backflow pump pipe 32, aeration pipe 34 is communicated at the bottom of aeration valve 31, the output end of sludge backflow pump pipe 32 is communicated with treatment mechanism 4, the output end of backwash backflow pump pipe 33 is communicated with treatment mechanism 4, the output end of aeration pipe 34 is communicated with treatment mechanism 4.

[0031] In the embodiment: by setting box 1, manhole 2 and circulating mechanism 3, box 1 can support and limit manhole 2, circulating mechanism 3 and treatment mechanism 4 as a whole, manhole 2 can facilitate the user to enter box 1 to maintain the overall structure of circulating mechanism 3, aeration valve 31 can control the opening and closing of aeration pipe 34, so that aeration pipe 34 and backwash backflow pump pipe 33 can be used for aeration and backwashing operation in treatment mechanism 4, so that the hardening in treatment mechanism 4 can be avoided, sludge backflow pump pipe 32 can transport the sludge filtered by treatment mechanism 4 to the filtering position, form a circulating filter, and increase the amount of microorganisms in the filtering position, improve the efficiency of denitrification of sewage.

[0032] Specifically, as shown in Figure 4 Treatment mechanism 4 includes filter assembly 41 and disinfection assembly 42, filter assembly 41 is arranged on the inside of box 1, and disinfection assembly 42 is arranged on the rear side of box 1.

[0033] Specifically, as shown in Figure 5 Filter assembly 41 includes liquid inlet valve 411, treatment tank 412, filler 413, sludge tank 414 and inclined partition plate 415, liquid inlet valve 411 is communicated on the front side of box 1, treatment tank 412 is fixedly connected to the front side of the inside of box 1, the front side of treatment tank 412 is communicated with the rear side of liquid inlet valve 411, filler 413 is arranged on the inside of treatment tank 412, sludge tank 414 is fixedly connected to the bottom of the inside of box 1, the top of sludge tank 414 is communicated with the bottom of treatment tank 412, inclined partition plate 415 is fixedly connected to the surface of sludge tank 414, the bottom of inclined partition plate 415 is fixedly connected with the bottom of the inside of box 1, the rear side of treatment tank 412 is communicated with the output end of backwash backflow pump pipe 33, the bottom of the rear side of treatment tank 412 is communicated with the output end of aeration pipe 34, and the top of the rear side of treatment tank 412 is communicated with the output end of sludge backflow pump pipe 32.

[0034] Specifically, as shown in Figure 6 The disinfection assembly 42 includes a clean water tank 421, a drain pipe 422 and a disinfection chlorine piece 423. The clean water tank 421 is fixedly connected to the rear side of the inner side of the box body 1. The drain pipe 422 is communicated to the rear side of the clean water tank 421. The rear side of the drain pipe 422 penetrates through the box body 1 and is communicated to the rear side of the box body 1. The disinfection chlorine piece 423 is clamped to the top of the front side of the drain pipe 422.

[0035] In this embodiment: by setting the treatment mechanism 4, the filtering assembly 41 can cooperate with the disinfection assembly 42. By connecting the sewage conveying device to the liquid inlet valve 411, the sewage can be conveyed into the treatment tank 412, so that the filler 413 filters and denitrifies the sewage. The sludge tank 414 can deposit the sludge in the filtered sewage and intercept the sludge through the inclined partition plate 415, so that the clean water is conveyed into the clean water tank 421 through the partition plate. The clean water tank 421 can convey the clean water to the drain pipe 422 and disinfect the clean water through the disinfection chlorine piece 423. The drain pipe 422 can discharge the clean water after disinfection.

[0036] Specifically, as shown in Figure 5 The bottom of the rear side of the inner side of the box body 1 is welded with a drainage plate 416. The top of the drainage plate 416 is in contact with the rear side of the inclined partition plate 415. The drainage plate 416 is arc-shaped.

[0037] Specifically, as shown in Figure 5 The front side of the bottom of the inner side of the box body 1 is welded with a flow guide bin 417. The inner side of the rear side of the flow guide bin 417 is clamped with the two sides of the drainage plate 416.

[0038] In this embodiment: by setting the drainage plate 416 and the flow guide bin 417, the clean water filtered by the inclined partition plate 415 is guided through the arc-shaped drainage plate 416. The clean water filtered by the inclined partition plate 415 on both sides and the front side is guided through the flow guide bin 417. The clean water is further guided to the drainage plate 416, which increases the stability of the clean water conveying.

[0039] Specifically, as shown in Figure 6 The bottom of the front side of the drain pipe 422 is communicated with a circulating tank 424. The top of the inner side of the circulating tank 424 is in contact with the front side of the bottom of the disinfection chlorine piece 423.

[0040] Specifically, as shown in Figure 6 The rear side of the drain pipe 422 is bolted with a connecting head 425. The inner side of the connecting head 425 is provided with a sealing structure.

[0041] In the embodiment: through setting circulating tank 424 and connecting head 425, through circulating tank 424 to the clean water that flows through disinfecting chlorine sheet 423 is temporarily stored, can let clean water temporarily stay in circulating tank 424, to further increase the time length of disinfecting chlorine sheet 423 to clean water disinfection, improve the quality of disinfection to clean water, through connecting head 425 external in discharge equipment, can increase the stability when clean water is discharged by drain pipe 422, and sealing structure can increase the airtightness when connecting head 425 external discharge equipment.

[0042] Working principle: first, the liquid inlet valve 411 is connected to the sewage conveying equipment, then the sewage will enter the treatment tank 412 through the liquid inlet valve 411, the sewage will be denitrified by the microorganisms in the filler 413, then the sewage will flow into the sludge tank 414 for sedimentation treatment, then the sludge backflow pump pipe 32 will pump the sludge in the sludge tank 414 into the treatment tank 412, thereby increasing the microorganism content in the treatment tank 412, then the aeration valve 31 will open the aeration pipe 34, thereby cooperating with the backwashing backflow pump pipe 33 to aerate and backwash the sewage and filler 413 in the treatment tank 412, thereby preventing the filler 413 from hardening, then the inclined baffle 415 will filter the liquid in the sludge into clean water, thereby filtering the clean water to the bottom of the box 1, then the clean water will enter the clean water tank 421 along the box 1, then flow to the disinfecting chlorine sheet 423, and then discharge from the drain pipe 422 after the clean water is disinfected by the disinfecting chlorine sheet 423.

[0043] The above is only a preferred embodiment of the present application, and is not intended to limit the present application, any modification, equivalent replacement and improvement within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A small high-efficiency sewage treatment device, comprising a box (1), a manhole (2), a circulating mechanism (3) and a treatment mechanism (4), characterized in that: The manhole (2) is arranged at the top of the box body (1), the circulating mechanism (3) is arranged at the top of the inside of the box body (1), and the processing mechanism (4) is arranged at the inside of the box body (1). The circulating mechanism (3) comprises an aeration valve (31), a sludge backflow pump pipe (32), a backwashing backflow pump pipe (33) and an aeration pipe (34), the aeration valve (31) is communicated at the top of the inside of the box body (1), the sludge backflow pump pipe (32) is communicated at the top of the inside of the box body (1), the backwashing backflow pump pipe (33) is communicated at the top of the inside of the box body (1) away from the sludge backflow pump pipe (32), the aeration pipe (34) is communicated at the bottom of the aeration valve (31), the output end of the sludge backflow pump pipe (32) is communicated with the processing mechanism (4), the output end of the backwashing backflow pump pipe (33) is communicated with the processing mechanism (4), and the output end of the aeration pipe (34) is communicated with the processing mechanism (4).

2. The compact high efficiency sewage treatment device according to claim 1, characterized in that: The processing mechanism (4) comprises a filter assembly (41) and a disinfection assembly (42), the filter assembly (41) is arranged at the inside of the box body (1), and the disinfection assembly (42) is arranged at the rear side of the box body (1).

3. A compact high efficiency sewage treatment device according to claim 2, wherein: The filter assembly (41) comprises a liquid inlet valve (411), a treatment box (412), a filler (413), a sludge tank (414) and an inclined baffle (415), the liquid inlet valve (411) is communicated at the front side of the box body (1), the treatment box (412) is fixedly connected to the front side of the inside of the box body (1), the front side of the treatment box (412) is communicated with the rear side of the liquid inlet valve (411), the filler (413) is arranged at the inside of the treatment box (412), the sludge tank (414) is fixedly connected to the bottom of the inside of the box body (1), the front side of the top of the sludge tank (414) is communicated with the bottom of the treatment box (412), the surface of the sludge tank (414) is fixedly connected with the inclined baffle (415), the bottom of the inclined baffle (415) is fixedly connected with the bottom of the inside of the box body (1), the rear side of the treatment box (412) is communicated with the output end of the backwashing backflow pump pipe (33), the bottom of the rear side of the treatment box (412) is communicated with the output end of the aeration pipe (34), the top of the rear side of the treatment box (412) is communicated with the output end of the sludge backflow pump pipe (32), and the input end of the bottom of the sludge backflow pump pipe (32) is communicated with the top of the sludge tank (414).

4. The compact high efficiency sewage treatment device of claim 2, wherein: The disinfection assembly (42) comprises a clean water tank (421), a drain pipe (422) and a disinfection chlorine tablet (423), the clean water tank (421) is fixedly connected to the rear side of the inside of the box body (1), the drain pipe (422) is communicated at the rear side of the clean water tank (421), the rear side of the drain pipe (422) penetrates through the box body (1) and is communicated with the rear side of the box body (1), and the disinfection chlorine tablet (423) is clamped at the top of the front side of the drain pipe (422).

5. The compact high efficiency sewage treatment device of claim 3, wherein: The bottom of the rear side of the inside of the box body (1) is welded with a drainage plate (416), the top of the drainage plate (416) is in contact with the rear side of the inclined baffle (415), and the drainage plate (416) is arranged in an arc shape.

6. A compact high efficiency sewage treatment device according to claim 5 wherein: The front side of the bottom of the box (1) is welded with a flow guide bin (417), the inner side of the rear side of the flow guide bin (417) is clamped with the two sides of the drainage plate (416).

7. The compact high efficiency sewage treatment device of claim 4, wherein: The bottom of the front side of the drain pipe (422) is communicated with a circulating tank (424), and the top of the inner side of the circulating tank (424) is in contact with the bottom of the front side of the disinfecting chlorine tablet (423).

8. The compact high efficiency sewage treatment device of claim 4, wherein: The rear side of the drain pipe (422) is bolted with a connecting head (425), and the inner side of the connecting head (425) is provided with a sealing structure.

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