CN210915744U

CN210915744U - Maintenance-free integrated domestic sewage treatment system

Info

Publication number: CN210915744U
Application number: CN201921634382.8U
Authority: CN
Inventors: 霍然
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-07-03
Anticipated expiration: 2029-09-27

Abstract

The utility model relates to a sewage treatment technical field specifically is a non-maintaining integration domestic sewage treatment system, first wall, the second cuts off, the third cuts off, the fourth cuts off and the fifth cuts off cuts apart into the screen cloth entrapment area with the sewage treatment pond in proper order, the water conservancy diversion precipitation zone, the biofiltration district, sewage lifting zone, secondary sedimentation zone and mud storage area, sewage sprays by biofiltration district upper portion and down, by attached to the biological decomposition of biofilm carrier, the water level rises, the biofiltration district truns into anaerobic environment, after the biofiltration district reached the high water level, dive elevator pump automatic start, promote sewage after the biofiltration to the secondary sedimentation zone, biofiltration district and sewage lifting zone water level begin to descend, fresh air gets into the biofiltration district along the air vent, and simultaneously, the biofilm carrier in the biofiltration district exposes the surface of water, trun into aerobic environment. The aerobic environment and the anaerobic environment are alternated, so that organic matters and total nitrogen can be better removed, and the method has strong practicability.

Description

Maintenance-free integrated domestic sewage treatment system

Technical Field

The utility model relates to a sewage treatment technical field specifically is a non-maintaining integration domestic sewage treatment system.

Background

Along with the development of society, the sewage treatment of villages and small towns is gradually paid attention, the sewage of village and small towns enterprises and residents has the characteristics of dispersed discharge sources, small water quantity, large fluctuation, various water qualities and the like, and the local villages and small towns often have the problems of incomplete municipal drainage systems, lack of discharge standards and the like. If the traditional centralized sewage treatment mode is followed, the defects of high investment, high energy consumption, high management cost and the like are caused. Aiming at small drainage users with daily sewage production of 10-100 tons, an integrated treatment scheme based on a traditional biochemical process or a membrane treatment process is mostly adopted in the market, and the integrated treatment method has the advantages of more treatment units, high operation cost, fussy maintenance, poor operation stability and often needs operation of professional personnel. It is difficult to meet the actual requirements of sewage treatment in villages and towns.

In order to solve the problems, a maintenance-free integrated domestic sewage treatment system is provided, which not only simplifies the difficulty of operation management, but also can be flexibly combined with other sewage treatment processes to adapt to different sewage qualities and discharge standards.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a non-maintaining integration sewage treatment system to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a maintenance-free integrated domestic sewage treatment system comprises two groups of sewage treatment tanks which are arranged side by side and provided with vent holes at the tops and a sewage inlet pipe communicated with the upper ends of the side walls of the sewage treatment tanks, wherein a first partition, a second partition, a third partition, a fourth partition and a fifth partition which are sequentially arranged are arranged in the sewage treatment tanks, the first partition, the second partition, the third partition, the fourth partition and the fifth partition sequentially divide the sewage treatment tanks into a screen interception area, a diversion sedimentation area, a biological filtration area, a sewage lifting area, a secondary sedimentation area and a sludge storage area, the lower ends of the first partition and the third partition and the bottom of the sewage treatment tanks are provided with water inlets, the upper ends of the second partition are provided with a plurality of water distribution ports, the fourth partition, the fifth partition and the four walls of the sewage treatment tanks are connected, a screen is arranged in the screen interception area, biological fillers are arranged in the biological filtration area, the water distribution groove that one end and second cut off water distribution mouth intercommunication one by one is installed to biofilm carrier's top, the lower part that is close to the fourth and cuts off in the sewage promotion district is provided with the dive elevator pump, and the check valve that prevents the sewage backward flow is installed to the vertical section of dive elevator pump outlet pipe, and the middle part that the other end of dive elevator pump outlet pipe runs through the fourth and cuts off reachs the secondary sedimentation zone, hexagonal honeycomb pipe chute filler that is located dive elevator pump outlet pipe and is located one section top in the secondary sedimentation zone is installed on secondary sedimentation zone inner chamber upper portion, the mud suction pipe is installed to the bottom in secondary sedimentation zone, the mud suction pipe passes the fifth and cuts off and link to each other with the mud storage area, install the valve.

Preferably, the screen cloth is the slope setting, the bottom in screen cloth entrapment area is connected with the limiting plate that prevents the screen cloth from receiving the rivers impact aversion.

Preferably, the plurality of water distribution grooves are horizontally and equidistantly arranged, and a plurality of water distribution holes which are equidistantly arranged are formed in the bottom of each water distribution groove.

Preferably, still install the collection box that is used for collecting solid-state impurity in the screen cloth entrapment area, the terminal surface that collects the box and be close to the screen cloth is that the matrix distributes has four sliders, the screen cloth is seted up and is supplied the gliding guide rail of slider, be connected with the stay cord that the other end is located screen cloth entrapment area upper portion on the collection box.

Preferably, the side wall of collecting the box and keeping away from screen cloth one end is higher than the side wall of collecting the box and being close to screen cloth one end, the inside wall upper end of collecting the box and keeping away from screen cloth one end is connected with the straight-bar, and the other end of straight-bar rotates and is connected with the roller brush of laminating screen cloth inclined plane.

Preferably, install the water distribution in the secondary sedimentation district and violently manage, the water distribution is violently managed and is linked together with the one end that the dive lift pump outlet pipe lies in the secondary sedimentation district, the water distribution is violently managed and is the blind dead horizontal perforation tubular construction in both ends, along the even water distribution of horizontal direction to the secondary sedimentation district, it violently manages to install out water in the secondary sedimentation district in the top that lies in hexagonal honeycomb pipe filler, and it violently manages to go out water and passes outside sewage treatment pond reachs the sewage treatment pond, and play water in the sewage treatment pond violently manages and be the blind dead horizontal perforation tubular construction of one end.

Compared with the prior art, the beneficial effects of the utility model are that: sewage enters a screen interception area, a diversion sedimentation area, a biological filtration area, a sewage lifting area and a secondary sedimentation area in sequence, and sludge is periodically discharged into a sludge storage area from the secondary sedimentation area. The screen cloth is used for intercepting solid sundries in sewage, the diversion sedimentation area is used for sewage diversion and sedimentation of particles with large specific gravity, the biological filtration area is used for treating organic matters in the sewage, the sewage lifting area is used for lifting the sewage into the secondary sedimentation area, the secondary sedimentation area is used for sludge-water separation, the settled sludge is discharged into the sludge storage area by liquid level difference, the sludge storage area periodically sucks the sludge and transports the sludge for disposal, and the treated effluent can reach the secondary discharge standard of a municipal sewage treatment plant. The screen cloth is regularly drawn clearly by manual work, and the clear mode of drawing does, stimulates the stay cord, and the slider slides in the guide rail, collects the box and rises thereupon, and the roller brush rolls on the screen cloth surface and cleans, sweeps solid-state impurity into in collecting the box, and convenient operation need not to take out whole screen cloth, and entire system adopts continuous water intaking, intermittent type play water mode. The sewage is sprayed from the upper part of the biological filtering area and is gradually decomposed by organisms attached to the biological filler, the water level gradually rises, the biological filtering area is converted into an anaerobic environment after the sewage passes through the biological filler, the submersible lift pump is automatically started after the biological filtering area reaches a high water level, the sewage after biological filtering is lifted to the secondary sedimentation area, the water levels of the biological filtering area and the sewage lifting area start to fall, fresh air enters the biological filtering area along the vent hole in a negative pressure environment, and meanwhile, the biological filler in the biological filtering area is exposed out of the water surface and is converted into an aerobic environment. After the water level of the biological filtration area is reduced to the low water level, the submersible lift pump is closed, and the next circulation is started. The aerobic environment and the anaerobic environment are alternated, so that organic matters and total nitrogen can be better removed, and the method has strong practicability.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the present invention;

fig. 3 is an enlarged schematic view of part a of the present invention.

In the figure: the device comprises a sewage inlet pipe 1, a sewage treatment pool 2, a first partition 21, a second partition 22, a third partition 23, a fourth partition 24, a fifth partition 25, a screen entrapment area 26, a screen 261, a guide rail 2611, a collection box 262, a sliding block 263, a pull rope 264, a straight rod 265, a roller brush 266, a diversion sedimentation area 27, a biological filtration area 28, biological fillers 281, a water distribution groove 282, a sewage lifting area 29, a submersible lifting pump 291, a secondary sedimentation area 210, hexagonal honeycomb inclined pipe fillers 2101 and a sludge storage area 211.

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. 1-3, the present invention provides a technical solution:

the utility model provides a non-maintaining integration treatment of domestic sewage system, including two sets of just sewage treatment pond 2 and the sewage inlet tube 1 of intercommunication in sewage treatment pond 2 lateral wall upper end of air vent are seted up at the top side by side, install the first wall 21 that arranges in proper order in sewage treatment pond 2, the second cuts off 22, the third cuts off 23, the fourth cuts off 24 and the fifth cuts off 25, the first wall 21, the second cuts off 22, the third cuts off 23, the fourth cuts off 24 and the fifth cuts off 25 and cuts apart into screen cloth entrapment area 26 with sewage treatment pond 2 in proper order, water conservancy diversion sedimentation zone 27, biofiltration district 28, sewage lifting zone 29, secondary sedimentation zone 210 and sludge storage area 211.

The lower ends of the first partition 21 and the third partition 23 and the bottom of the sewage treatment pool 2 are provided with water inlets,

the upper end of the second partition 22 is provided with a plurality of water distribution ports, the fourth partition 24 and the fifth partition 25 are connected with the four walls of the sewage treatment pool 2, a screen 261 is arranged in the screen retention area 26, the screen 261 is obliquely arranged, the bottom of the screen retention area 26 is connected with a limiting plate for preventing the screen 261 from being impacted and displaced by water flow, a biological filler 281 is arranged in the biological filtration area 28, water distribution grooves 282 with one ends communicated with the water distribution ports on the second partition 22 are arranged above the biological filler 281 one by one, the water distribution grooves 282 are horizontally arranged at equal intervals, a plurality of water distribution holes which are arranged at equal intervals are arranged at the bottom of the water distribution grooves 282, a diving lift pump 291 is arranged at the lower part close to the fourth partition 24 in the sewage lift area 29, a check valve for preventing sewage backflow is arranged at the vertical section of the diving lift pump 291, and a check valve for preventing sewage backflow is arranged at the vertical, the other end of the water outlet pipe of the submersible lift pump 291 penetrates through the middle of the fourth partition 24 to reach the secondary sedimentation zone 210, the hexagonal honeycomb inclined pipe filler 2101 positioned above one section of the water outlet pipe of the submersible lift pump 291 in the secondary sedimentation zone 210 is installed on the upper portion of the inner cavity of the secondary sedimentation zone 210, the sludge suction pipe is installed at the bottom of the secondary sedimentation zone 210, the sludge suction pipe penetrates through the fifth partition 25 to be connected with the sludge storage zone 211, and a valve is installed on the sludge suction pipe.

Still install the collection box 262 that is used for collecting solid-state impurity in the screen cloth entrapment area 26, the terminal surface that collects box 262 and is close to screen cloth 261 has four sliders 263 for the matrix distribution, screen cloth 261 offers and supplies the gliding guide rail 2611 of slider 263, it is connected with the stay cord 264 that the other end is located screen cloth entrapment area 26 upper portion on the collection box 262, the lateral wall that collects box 262 and keeps away from screen cloth 261 one end is higher than the lateral wall that collects box 262 and is close to screen cloth 261 one end, the inside wall upper end that collects box 262 and keeps away from screen cloth 261 one end is connected with straight-bar 265, the other end of straight-bar 265.

Install the water distribution in secondary sedimentation district 210 and violently manage, the water distribution violently manages and is linked together with the one end that immersible elevator pump 291 outlet pipe is located secondary sedimentation district 210, the water distribution violently manages and is the blind dead horizontal perforation tubular construction in both ends, along the horizontal direction to secondary sedimentation district 210 uniform water distribution, it violently manages to install out water in the secondary sedimentation district 210 in the top that lies in hexagonal honeycomb pipe chute filler 2101, it violently manages to go out water and passes the outside that sewage treatment pond 2 reachd sewage treatment pond 2, the play water violently pipe in the sewage treatment pond 2 is the blind dead horizontal perforation tubular construction of one end.

The sewage enters a screen interception area 26, a diversion sedimentation area 27, a biological filtration area 28, a sewage lifting area 29 and a secondary sedimentation area 210 in sequence, and the sludge is periodically discharged into a sludge storage area 211 from the secondary sedimentation area 210. The screen 261 is used for intercepting solid impurities in sewage, the diversion sedimentation area 27 is used for diversion of sewage and sedimentation of particles with large specific gravity, the biological filtration area 28 is used for treating organic matters in the sewage, the sewage lifting area 29 is used for lifting the sewage into the secondary sedimentation area, the secondary sedimentation area 210 is used for separating mud and water, the settled sludge is discharged into the sludge storage area 211 through liquid level difference, the sludge storage area 211 periodically sucks the sludge and transports the sludge for disposal, and the treated effluent can reach the secondary discharge standard of a town sewage treatment plant. The screen cloth is regularly drawn clearly by manual work, and the clear mode of drawing does, stimulates the stay cord, and the slider slides in the guide rail, collects the box and rises thereupon, and the roller brush rolls on the screen cloth surface and cleans, sweeps solid-state impurity into in collecting the box, and convenient operation need not to take out whole screen cloth, and entire system adopts continuous water intaking, intermittent type play water mode. The sewage is sprayed from the upper part of the biological filtering area 28 and is gradually decomposed by organisms attached to the biological filler 281, the water level gradually rises, after the sewage passes through the biological filler 281, the biological filtering area 28 is converted into an anaerobic environment, after the biological filtering area 28 reaches a high water level, the submersible lift pump 291 is automatically started to lift the sewage after biological filtering to the secondary sedimentation area 210, the water levels of the biological filtering area 28 and the sewage lifting area 29 start to fall, fresh air enters the biological filtering area along the vent holes under a negative pressure environment, and meanwhile, the biological filler 281 in the biological filtering area 28 is exposed out of the water surface and is converted into an aerobic environment. After the water level in the biological filtration zone 28 drops to the low level, the submersible lift pump 291 is turned off and the next cycle begins. Aerobic and anaerobic environments are alternated, so that organic matters and total nitrogen can be removed better; according to the quality of water condition of intaking, the utility model discloses the anterior segment inlet tube sets up the flange interface, can be at pretreatment process units such as front end series connection septic tank, hydrolysis acidification pond, and the play water is violently managed and is set up the flange interface, but process units such as series connection ultraviolet disinfection, membrane processing satisfy the difference quality of water and emission standard requirement of intaking. The utility model can be installed all over the ground in the application of southern areas, adopts a natural ventilation mode, and increases a ventilation hole at the lower part of the biological filtration area 28; in northern areas, a full underground structure can be adopted, and an artificial forced ventilation device is additionally arranged in a biological filtration area, so that the device has strong flexibility and practicability.

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

1. The utility model provides a non-maintaining integration sewage treatment system, includes two sets of sewage treatment pond (2) and the sewage inlet tube (1) of intercommunication in sewage treatment pond (2) lateral wall upper end of seting up the air vent side by side and top, its characterized in that: the sewage treatment device is characterized in that a first partition (21), a second partition (22), a third partition (23), a fourth partition (24) and a fifth partition (25) which are sequentially arranged are installed in the sewage treatment tank (2), the first partition (21), the second partition (22), the third partition (23), the fourth partition (24) and the fifth partition (25) sequentially divide the sewage treatment tank (2) into a screen interception area (26), a diversion sedimentation area (27), a biological filtration area (28), a sewage lifting area (29), a secondary sedimentation area (210) and a sludge storage area (211), the lower ends of the first partition (21) and the third partition (23) are reserved with the bottom of the sewage treatment tank (2) through a water inlet, the upper end of the second partition (22) is provided with a plurality of water distribution ports, the fourth partition (24) and the fifth partition (25) are connected with four walls of the sewage treatment tank (2), be provided with screen cloth (261) in screen cloth entrapment area (26), install biofilm carrier (281) in biofiltration district (28), water distribution groove (282) that one end and second cut off (22) upper water distribution mouth one-to-one intercommunication are installed to biofilm carrier (281)'s top, the lower part that is close to fourth cut off (24) in sewage lifting zone (29) is provided with dive elevator pump (291), the middle part that the other end of dive elevator pump (291) outlet pipe runs through fourth cut off (24) reachs secondary sedimentation district (210), the check valve that prevents the sewage backward flow is installed to the vertical section of dive elevator pump (291) outlet pipe, secondary sedimentation district (210) inner chamber upper portion is installed and is located dive elevator pump (291) outlet pipe and is located hexagonal honeycomb down tube filler (2101) of one section top in secondary sedimentation district (210), mud suction pipe is installed to the bottom in secondary sedimentation district (210), the sludge suction pipe passes through a fifth partition (25) and is connected with a sludge storage area (211), and a valve is installed on the sludge suction pipe.

2. The maintenance-free integrated domestic sewage treatment system according to claim 1, wherein: the screen cloth (261) are the slope setting, the bottom of screen cloth entrapment district (26) is connected with prevents that screen cloth (261) from receiving the limiting plate that rivers impact shifted.

3. The maintenance-free integrated domestic sewage treatment system according to claim 1, wherein: the water distribution tanks (282) are arranged horizontally at equal intervals, and a plurality of water distribution holes which are arranged at equal intervals are formed in the bottoms of the water distribution tanks (282).

4. The maintenance-free integrated domestic sewage treatment system according to claim 2, wherein: the screen cloth trapping area (26) is internally provided with a collecting box (262) for collecting solid impurities, the end face of the collecting box (262) close to the screen cloth (261) is provided with four sliding blocks (263) in a matrix manner, the screen cloth (261) is provided with a guide rail (2611) for the sliding blocks (263) to slide, and the collecting box (262) is connected with a pull rope (264) with the other end positioned at the upper part of the screen cloth trapping area (26).

5. The maintenance-free integrated domestic sewage treatment system according to claim 4, wherein: collect box (262) and keep away from the lateral wall of screen cloth (261) one end and be higher than the lateral wall that collects box (262) and be close to screen cloth (261) one end, the inside wall upper end of collecting box (262) and keeping away from screen cloth (261) one end is connected with straight-bar (265), and the other end rotation of straight-bar (265) is connected with roller brush (266) on laminating screen cloth (261) inclined plane.

6. The maintenance-free integrated domestic sewage treatment system according to claim 1, wherein: install the water distribution in secondary sedimentation district (210) and violently manage, the water distribution is violently managed and is linked together with one end that dive elevator pump (291) outlet pipe is located secondary sedimentation district (210), the water distribution is violently managed and is two blind dead horizontal perforated tubular construction, along horizontal direction to secondary sedimentation district (210) water distribution uniformity, it violently manages to install out water in secondary sedimentation district (210) in the top that hexagonal honeycomb pipe chute packed (2101), and it violently manages to pass the outside that sewage treatment pond (2) reachd sewage treatment pond (2) to go out water, and the horizontal perforated tubular construction that is blind dead for one end is violently managed for the play water in sewage treatment pond (2).