CN212669482U - Integrated villages and towns sewage treatment device for enhancing sludge reduction - Google Patents

Abstract

The utility model discloses an integrated village and town sewage treatment device for strengthening sludge reduction, which comprises a sewage inlet pipe, the tail end of the sewage inlet pipe is seamlessly connected with a flow dividing pipe, the middle part of the flow dividing pipe is fixedly connected with a booster pump, the joint of a water outlet pipe and the flow dividing pipe is provided with a flow guiding valve plate, the tail end of the water outlet pipe is penetrated and inserted at one end of a cover plate of a sedimentation tank, the cover plate of the sedimentation tank is movably clamped with the sedimentation tank through a clamping block, the bottom of the inner cavity of the sedimentation tank is fixedly connected with a flow-slowing sedimentation plate, the other end of the cover plate of the sedimentation tank is penetrated and inserted with a water pumping pipe, the inlet end of the water pumping pipe is fixedly connected with a secondary filter screen, the water pumping pipe is seamlessly connected with the inlet end of the water pumping pump, the water pumping pump is fixedly arranged, the upper part of the rear side wall of the flocculation sedimentation tank is connected with an overflow pipe in a seamless mode.

Description

Integrated villages and towns sewage treatment device for enhancing sludge reduction

Technical Field

The utility model relates to a mix stirring processing equipment technical field, specifically be an integrated villages and small towns sewage treatment plant of reinforceing mud decrement.

Background

The sewage treatment in China is developed rapidly, and as far as 3 months end in 2014, cities and counties in cities and counties established in China are built up into 3622 seats according to the notice of the ministry of housing and urban and rural construction, the sewage treatment capacity is designed to be about 1.53 billion cubic meters per day, and about 430 million cubic meters per day is newly increased compared with 2013. However, in the vast rural areas which account for 57.59% of the total land area in China, the treatment of water pollution is not paid much attention for various reasons. However, in recent years, rural water environment conditions are worsened more and more, social requirements on the environment are gradually improved, and the pollution problem of sewage in villages and towns is paid more and more attention.

However, compared with a large-scale urban sewage treatment plant, the town sewage treatment has the characteristics of itself, 1. the town has less population, wide and dispersed distribution and unsound drainage pipe network, so the selected sewage treatment process is suitable for being independently treated nearby; 2. the economic strength of villages and towns is weak, so the sewage treatment needs to fully consider the technology of low cost, low operating cost and low energy consumption; 3. the villages and the towns lack sewage treatment professionals, and the selected process is simple to manage and convenient to maintain. In order to achieve the purposes of low operation cost and convenient maintenance, the sludge treatment mode is mainly considered, the excess sludge treatment cost is high and can account for 25-65% of the operation cost of a sewage treatment plant, and the treated sludge can reach 20-50% of the total construction cost, so the reduction of the sludge greatly improves the convenience of reduction and maintenance of the operation cost of a sewage treatment facility. At present, two technical routes of an activated sludge process and a membrane bioreactor are mainly adopted for treating sewage in villages and towns, the activated sludge process mainly has the problems of large sludge amount, difficult sludge treatment and unstable denitrification treatment effect, and the membrane bioreactor mainly has the problems of high investment and operation cost and complex operation. Therefore, an integrated village and town sewage treatment device for enhancing sludge reduction is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an strengthen integration villages and small towns sewage treatment plant of mud decrement to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an integrated village and town sewage treatment device for enhancing sludge reduction comprises a sewage inlet pipe, wherein a threaded connecting ring is fixedly connected with the inlet end of the sewage inlet pipe, the left end of the sewage inlet pipe is fixedly connected with a first primary filter screen and a second primary filter screen, a rotating shaft is inserted in the middle section of the sewage inlet pipe in a penetrating manner, a sealing butterfly valve plate is fixedly connected with the outer side of the rotating shaft, a first sealing valve handle is fixedly connected with the upper end of the rotating shaft, a flow dividing pipe is seamlessly connected with the tail end of the sewage inlet pipe, a booster pump is fixedly connected with the middle part of the flow dividing pipe, a flow guide valve plate is arranged at the joint of a water outlet pipe and the flow dividing pipe, the tail end of the water outlet pipe is inserted in one end of a sedimentation tank cover plate in a penetrating manner, the sedimentation tank cover plate is movably clamped with a sedimentation tank through a clamping block, a, the drinking-water pipe is connected with drinking-water pump entrance point seamless, drinking-water pump fixed mounting is in protecting the casing, the drinking-water pump exit end seamless connection has the drain pipe, the drain pipe end is pegged graft in the flocculation and precipitation pond, flocculation and precipitation pond inner chamber middle part fixedly connected with division board, there is the extension stick flocculation and precipitation pond inner chamber lateral wall through couple movable joint, extend the terminal fixedly connected with flocculating agent slowly-releasing storehouse of stick, lateral wall upper portion seamless connection has the overflow pipe behind the flocculation and precipitation pond.

Furthermore, the sewage inlet pipe is a concrete pouring pipe, the diameter range of the sewage inlet pipe is 0.5-1.5 m, the first primary filter screen and the second primary filter screen are both grid filter screens, grid gaps are not smaller than 5cm, and the first primary filter screen and the second primary filter screen are arranged in parallel but are arranged in a grid direction vertically.

Furthermore, the rotating shaft penetrates through the side wall of the sewage inlet pipe, and the joints of the rotating shaft and the sewage inlet pipe are fixedly connected with waterproof shaft seals which are metal shaft seals, and the outer sides of the waterproof shaft seals are fixedly connected with anti-corrosion layers.

Furthermore, the shunt tubes are at least provided with 3 water outlets and are all connected with water outlet pipes in a seamless mode, and the water outlet pipes are plastic hoses.

Further, the subsider apron is concrete cover plate and opens and has the concora crush hole, the joint piece is equipped with two at least and fixed connection both ends upsides about the subsider, the inclination of slow flow deposit board is not less than 5, the subsider is the rectangle concrete groove and buries underground in the below ground, the subsider upper end edge is with around ground highly uniform and around ground the ground be harden ground.

Furthermore, the deposition grooves are provided in a plurality and the number of the deposition grooves is consistent with that of the water outlet pipes.

Furthermore, the overflow pipe is provided with two and is symmetrically arranged relative to the partition plate, and the inlet end of the overflow pipe is fixedly connected with a three-stage filter screen.

Compared with the prior art, the beneficial effects of the utility model are that:

this kind of strengthen integration villages and small towns sewage treatment plant of mud decrement structural design is reasonable, convenient to use:

1. according to the integrated village and town sewage treatment device for enhancing the sludge reduction, the sewage inlet pipe and the auxiliary assembly thereof are arranged, so that the effect of seamless connection with the tail end of a village and town sewage pipeline is achieved, and the phenomenon of leakage of sewage in the conveying process is avoided; the arrangement mode of the first primary filter screen and the second primary filter screen achieves the effect of fully filtering solid pollutants mixed in the sewage, and avoids the phenomenon of possible blockage of a subsequent treatment pipeline;

2. according to the integrated village and town sewage treatment device for enhancing sludge reduction, by the aid of the structure of the rotating shaft and the auxiliary assemblies thereof, the effect that the sealed butterfly valve plate can be driven to close the sewage inlet pipe by rotating the first sealing valve handle is achieved, cutoff conditions can be created when accidents occur or maintenance is needed, flow state requirements of different working conditions are met, and normal operation of the whole device is guaranteed;

3. the integrated village and town sewage treatment device for enhancing the sludge reduction achieves the effect of depositing and fermenting village and town sewage in a first process by arranging the sedimentation tank and the auxiliary components thereof, accelerates the deposition speed of the sewage in the sedimentation tank by utilizing the slow flow sedimentation plate with an inclination angle, maintains the environmental temperature in the sedimentation tank at a higher level by utilizing the characteristic of being buried in the ground, accelerates the fermentation rate and the death period of microorganisms in the sewage, so that the sludge in the sewage can be fully deposited, and the flat pressure hole in the cover plate of the sedimentation tank can discharge the methane in the sedimentation tank in time, thereby avoiding explosion and ensuring the safe operation of the whole device;

4. this kind of strengthen integration villages and small towns sewage treatment plant of mud decrement through the structure that sets up flocculation basin and accessory subassembly, has reached and can carry out the effect of secondary sedimentation through adding the supernatant of flocculating agent to the sedimentation tank, can fully discharge the mud in the sewage, realizes the predetermined reaction effect of whole device.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a cross-sectional view of the sewage inlet pipe of the present invention;

fig. 3 is a top view of the shunt tube of the present invention;

FIG. 4 is a cross-sectional view of a deposition tank of the present invention;

fig. 5 is a sectional view of the water pump of the present invention;

FIG. 6 is a sectional view of the flocculation sedimentation tank of the utility model

Figure 7 is a cross-sectional view of the overflow tube of the present invention.

In the figure: 1 sewage inlet pipe, 11 threaded connection rings, 12 first primary filter screens, 13 second primary filter screens, 14 first sealing valve handles, 15 rotating shafts, 16 waterproof shaft seals, 17 sealing butterfly valve plates, 2 shunt pipes, 21 booster pumps, 22 water outlet pipes, 23 flow guide valve plates, 3 sedimentation tanks, 31 slow flow sedimentation plates, 32 clamping blocks, 33 sedimentation tank cover plates, 4 protective casings, 41 water suction pipes, 42 secondary filter screens, 43 water suction pumps, 44 water discharge pipes, 5 flocculation sedimentation tanks, 51 partition plates, 52 hooks, 53 extension rods, 54 flocculant slow release bins, 6 overflow pipes and 61 tertiary filter screens.

Detailed Description

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

Referring to fig. 1-2, the present invention provides a technical solution: an integrated village and town sewage treatment device for enhancing sludge reduction comprises a sewage inlet pipe 1, wherein the sewage inlet pipe 1 is a concrete pouring pipe and has the diameter range of 0.5-1.5 m, an inlet end of the sewage inlet pipe 1 is fixedly connected with a threaded connecting ring 11, a left end of the sewage inlet pipe 1 is fixedly connected with a first primary filter screen 12 and a second primary filter screen 13, the first primary filter screen 12 and the second primary filter screen 13 are grid filter screens, grid gaps are not smaller than 5cm, the first primary filter screen 12 and the second primary filter screen 13 are arranged in parallel, but the grid directions are perpendicular to each other, the effect of seamless connection with the tail end of a village and town sewage pipeline is achieved, and the phenomenon of leakage of sewage in the conveying process is avoided; wherein the arrangement mode of the first primary filter screen 12 and the second primary filter screen 13 achieves the effect of fully filtering solid pollutants mixed in the sewage, avoids the phenomenon of possible blockage of a subsequent treatment pipeline, a rotating shaft 15 is inserted in the middle section of the sewage inlet pipe 1, a sealing butterfly valve plate 17 is fixedly connected with the outer side of the rotating shaft 15, the upper end of the rotating shaft 15 is fixedly connected with a first sealing valve handle 14, the rotating shaft 15 penetrates through the side wall of the sewage inlet pipe 1, the joints of the rotating shaft and the sewage inlet pipe are fixedly connected with waterproof shaft seals 16, the waterproof shaft seal 16 is a metal shaft seal, and the outer side of the waterproof shaft seal is fixedly connected with an anti-corrosion layer, so that the effect of driving the sealing butterfly valve plate 17 to close the sewage inlet pipe 1 by rotating the first sealing valve handle 14 is achieved, a flow-breaking condition can be created when an accident situation occurs or the maintenance is required, the flow state requirements of different working conditions are met, and the normal operation of the whole device is favorably ensured;

please refer to fig. 1 and fig. 3-5 heavily, the tail end of the sewage inlet pipe 1 is connected with a shunt pipe 2 in a seamless manner, the middle part of the shunt pipe 2 is fixedly connected with a booster pump 21, the shunt pipe 2 is provided with at least 3 water outlets and is connected with a water outlet pipe 22 in a seamless manner, the joint of the water outlet pipe 22 and the shunt pipe 2 is provided with a flow guide valve plate 23, the water outlet pipe 22 is a plastic hose, the tail end of the water outlet pipe 22 is inserted into one end of a cover plate 33 of a deposition tank in a penetrating manner, the cover plate 33 of the deposition tank is movably clamped with the deposition tank 3 through a clamping block 32, the cover plate 33 of the deposition tank is a concrete cover plate and is provided with a flat pressing hole, the clamping block 32 is provided with at least two parts and is fixedly connected to the upper sides of the left and right ends of the deposition tank 3, the bottom of the inner cavity of, the upper end edge of the sedimentation tank 3 is consistent with the surrounding ground in height, the surrounding ground is hardened ground, the sedimentation tank 3 is provided with a plurality of sedimentation tanks with the number consistent with that of the water outlet pipe 22, the effect of carrying out sedimentation and fermentation on village and town sewage in a first process is achieved, the sedimentation speed of the sewage in the sedimentation tank 3 is accelerated by using the slow flow sedimentation plate 31 with an inclination angle, the environmental temperature in the sedimentation tank 3 is maintained at a higher level by using the characteristic of being buried in the ground, the fermentation speed and the death period of microorganisms in the sewage are accelerated, so that sludge in the sewage can be fully deposited, the flat pressure hole in the sedimentation tank cover plate 33 can discharge the methane in the sedimentation tank in time, explosion is avoided, the safe operation of the whole device is ensured, the other end of the sedimentation tank cover plate 33 is inserted with the water suction pipe 41, and the inlet end of the water suction pipe 41 is fixedly connected with the secondary filter screen 42, the water pumping pipe 41 is in seamless connection with the inlet end of the water pumping pump 43, the water pumping pump 43 is fixedly installed in the protective shell 4, the outlet end of the water pumping pump 43 is in seamless connection with the water discharging pipe 44,

please refer to fig. 1 and fig. 6-7 heavily, the end of the drain pipe 44 is inserted into the flocculation sedimentation tank 5, the middle part of the inner cavity of the flocculation sedimentation tank 5 is fixedly connected with a partition plate 51, the side wall of the inner cavity of the flocculation sedimentation tank 5 is movably clamped with an extension rod 53 through a hook 52, the end of the extension rod 53 is fixedly connected with a flocculant slow-release bin 54, the upper part of the rear side wall of the flocculation sedimentation tank 5 is seamlessly connected with an overflow pipe 6, the overflow pipe 6 is provided with two and symmetrically arranged relative to the partition plate 51, and the inlet end of the overflow pipe 6 is fixedly connected with a three-stage filter screen 61, so that the effect of performing secondary deposition on the supernatant of the sedimentation tank by adding a flocculant is achieved, sludge in the sewage can be.

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 (7)

1. The utility model provides an strengthen integration villages and small towns sewage treatment plant of mud decrement, includes into dirty pipe (1), its characterized in that: the sewage inlet pipe is characterized in that a threaded connection ring (11) is fixedly connected with an inlet end of the sewage inlet pipe (1), a first primary filter screen (12) and a second primary filter screen (13) are fixedly connected with the left end of the sewage inlet pipe (1), a rotating shaft (15) is inserted in the middle section of the sewage inlet pipe (1) in a penetrating manner, a sealing butterfly valve plate (17) is fixedly connected with the outer side of the rotating shaft (15), a first sealing valve handle (14) is fixedly connected with the upper end of the rotating shaft (15), a shunt pipe (2) is seamlessly connected with the tail end of the sewage inlet pipe (1), a booster pump (21) is fixedly connected with the middle part of the shunt pipe (2), a diversion valve plate (23) is arranged at the joint of the water outlet pipe (22) and the shunt pipe (2), one end of the water outlet pipe (22) is inserted in one end of a deposition tank cover plate, the bottom of the inner cavity of the deposition groove (3) is fixedly connected with a slow flow deposition plate (31), the other end of the deposition groove cover plate (33) is inserted with a water pumping pipe (41) in a penetrating way, the inlet end of the water pumping pipe (41) is fixedly connected with a second-stage filter screen (42), the water pumping pipe (41) is seamlessly connected with the inlet end of a water pumping pump (43), the water suction pump (43) is fixedly arranged in the protective shell (4), the outlet end of the water suction pump (43) is connected with a water discharge pipe (44) in a seamless mode, the tail end of the drain pipe (44) is inserted in the flocculation sedimentation tank (5), the middle part of the inner cavity of the flocculation sedimentation tank (5) is fixedly connected with a partition plate (51), the side wall of the inner cavity of the flocculation sedimentation tank (5) is movably clamped with an extension bar (53) through a hook (52), the tail end of the extension rod (53) is fixedly connected with a flocculant slow-release bin (54), the upper part of the rear side wall of the flocculation sedimentation tank (5) is connected with an overflow pipe (6) in a seamless mode.

2. The integrated village and town sewage treatment plant for enhancing sludge reduction according to claim 1, wherein: the sewage inlet pipe (1) is a concrete pouring pipe, the diameter range of the sewage inlet pipe is 0.5-1.5 m, the first primary filter screen (12) and the second primary filter screen (13) are grid filter screens, grid gaps are not smaller than 5cm, and the first primary filter screen (12) and the second primary filter screen (13) are arranged in parallel but are arranged vertically in the grid direction.

3. The integrated village and town sewage treatment plant for enhancing sludge reduction according to claim 1, wherein: the rotating shaft (15) penetrates through the side wall of the sewage inlet pipe (1), a waterproof shaft seal (16) is fixedly connected to the joint, and the waterproof shaft seal (16) is a metal shaft seal and is fixedly connected with an anti-corrosion layer on the outer side.

4. The integrated village and town sewage treatment plant for enhancing sludge reduction according to claim 1, wherein: shunt tubes (2) are equipped with 3 delivery ports at least and all seamless connection has outlet pipe (22), outlet pipe (22) are plastic hose.

5. The integrated village and town sewage treatment plant for enhancing sludge reduction according to claim 1, wherein: subside groove apron (33) are concrete cover plate and open and have the concora crush hole, joint piece (32) are equipped with two at least and fixed connection about subside groove (3) both ends upside, the inclination of slow flow sedimentation plate (31) is not less than 5, subside groove (3) are rectangle concrete groove and bury underground in the below ground, subside groove (3) upper end edge and around ground highly uniform just around the ground be hardening ground.

6. The integrated village and town sewage treatment plant for enhancing sludge reduction according to claim 1, 4 or 5, wherein: the deposition grooves (3) are provided with a plurality of deposition grooves, and the number of the deposition grooves is consistent with that of the water outlet pipes (22).

7. The integrated village and town sewage treatment plant for enhancing sludge reduction according to claim 1, wherein: overflow pipe (6) are equipped with two and set up about division board (51) symmetry, the equal fixedly connected with tertiary filter screen (61) of overflow pipe (6) entrance point.

Images