CN217377651U

CN217377651U - Decentralized rural sewage on-site treatment device

Info

Publication number: CN217377651U
Application number: CN202221237457.0U
Authority: CN
Inventors: 孙婷婷; 赵良元; 刘敏; 张雨婷; 金海洋; 张为; 余婵; 黄华伟; 贾迪
Original assignee: Changjiang River Scientific Research Institute Changjiang Water Resources Commission
Current assignee: Changjiang River Scientific Research Institute Changjiang Water Resources Commission
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-09-06
Anticipated expiration: 2032-05-23

Abstract

The utility model provides a decentralized rural sewage on-site treatment device, which comprises a water pump, a sewage treatment main body device, an automatic dosing device and a control mainboard, wherein the left side of the sewage treatment main body device is provided with a water inlet, the right side of the sewage treatment main body device is provided with a water outlet, a backwashing sewage outlet is arranged above the sewage treatment main body device, the lower end of the sewage treatment main body device is provided with a sludge discharge port, the sewage treatment main body device is a communicated dosing sedimentation zone, a purification zone and a disinfection zone from left to right in sequence, the water inlet is connected with the water pump, the water pump and the automatic dosing device are connected with the control mainboard, a dosing port of the automatic dosing device is positioned at the upper part of the dosing sedimentation zone, and the bottom of the dosing sedimentation zone is connected with the sludge discharge port; an aeration backwashing device is arranged at the bottom of the purification area, a water quality purification layer is arranged above the aeration backwashing device, and a disinfection lamp tube is arranged in the disinfection and sterilization area. The utility model is simple in operation, sewage treatment is efficient, can realize the resourceization of mud when managing water, improves rural living environment.

Description

Decentralized rural sewage on-site treatment device

Technical Field

The utility model relates to a sewage treatment technical field specifically is a rural sewage of distributed is processing apparatus on spot.

Background

The city is more concentrated than rural population, and the town pipe network covers completely, and city domestic sewage passes through the pipe network and collects to sewage treatment plant unified processing, and in addition, city domestic sewage water yield is big, impact load is bigger during the processing, needs professional technical staff, maintainer during the processing, so the running investment is huge. Rural sewage is different from urban sewage, has the characteristics of multiple points, wide surface, dispersion, small amount, small treatment load and the like, and untreated domestic sewage is randomly discharged to seriously pollute the ecological environment of rural areas, thereby directly threatening the physical health of vast farmers and the economic development of rural areas.

At present, most of the existing rural sewage treatment processes are carried out by urban sewage treatment plants. Some pilot villages adopt a membrane biological treatment process, and although the effluent quality standard is high, the operation cost is high; when some basic units build sewage treatment facilities, the basic units greet the whole blindly to cause the phenomenon of 'big horse pulls a trolley', or some technologies which are not suitable for rural areas are applied to rural areas, so as to bring burden to the operation management of the building units; when a sewage station is designed by other units, only the treatment of sewage is considered, but the treatment of sludge is neglected, so that secondary pollution is caused, and the waste of resource and energy is caused by the fact that some centralized treatment stations carry out landfill after the sludge is dewatered. In addition, a large amount of pipe networks need to be laid according to the characteristics of rural dispersion, and the cost of sewage treatment is increased.

Therefore, the rural sewage treatment device adopts a reasonable treatment process and combines the rural sewage discharge characteristic, thereby saving the investment and being convenient for operation and maintenance management; not only should be made according to local conditions, but also should be recycled.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rural sewage of distributed is treatment facility on spot to solve the current rural sewage collection difficulty that mentions in the above-mentioned background art, the treatment process is complicated, the difficult scheduling problem of operation, can realize the resourceization of mud when controlling water, improve rural living environment, the beautiful country construction of helping hand.

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

a distributed rural sewage treatment device comprises a water pump, a sewage treatment main body device, an automatic dosing device and a control main board, wherein the left side of the sewage treatment main body device is provided with a water inlet, the right side of the sewage treatment main body device is provided with a water outlet, a backwashing sewage outlet is arranged above the sewage treatment main body device, the lower end of the sewage treatment main body device is provided with a sludge outlet, the sewage treatment main body device is provided with a dosing sedimentation region, a purification region and a disinfection and sterilization region which are communicated in sequence from left to right, the water inlet is connected with the water pump, the water pump and the automatic dosing device are connected with the control main board, a dosing port of the automatic dosing device is positioned at the upper part of the dosing sedimentation region, and the bottom of the dosing sedimentation region is connected with the sludge outlet; the purification district bottom is equipped with aeration backwash device, evenly lays the venthole above the aeration backwash device, and the top of aeration backwash device is equipped with quality of water and purifies the layer, disinfection fluorescent tube is laid in the disinfection and isolation district, and aeration backwash device passes through the gas circuit and is connected with the air pump for purify the layer to quality of water and carry out the backwash.

Furthermore, a stirring rod is arranged under the drug outlet and is positioned in the middle of the left drug adding and precipitating area of the main sewage treatment device.

Further, sewage treatment main part equipment middle part interval is equipped with left side baffle, right side baffle, forms between left side baffle, the right side baffle the purifying area, left side baffle left side is for adding medicine settling area, and right side baffle right side is the disinfection and sterilization district.

Further, the bottom of left side baffle is connected with sewage treatment main part equipment diapire, and upper portion and sewage treatment main part equipment roof keep a certain distance apart, and sewage treatment main part equipment's top is connected with sewage treatment main part equipment roof, and the lower part keeps a certain distance apart with sewage treatment main part equipment diapire.

Furthermore, a convex slope plateau which inclines downwards towards the sludge discharge port is arranged on the left side of the bottom of the dosing sedimentation area.

Further, the quality of water purifies the layer and is cuboid box structure, and the frame lines position of cuboid box structure is the stereoplasm billet, by upper and lower stainless steel light filter screen parcel that is, the filter screen includes upper filter screen and lower floor's filter screen, and the upper filter screen is planar structure, and the lower floor's filter screen is upper portion open-ended frame structure, and the frame that upper filter screen, lower floor's filter screen and stereoplasm billet formed encloses to establish and forms the cuboid dictyosome, and one side of upper filter screen is articulated with one side of frame, and the intussuseption of cuboid dictyosome is filled soft and is filtered the filler.

Further, the lower filter screen is fixed in left side baffle, right side baffle through four cardboard, and the cardboard inlays in left side baffle, right side baffle apart from bottom quarter department.

Furthermore, the upper filter screen and the lower filter screen on the water quality purification layer are respectively away from the top and the bottom of the purification area by one fourth, and the height of the water quality purification layer is one half of the height of the sewage treatment main body equipment.

Further, aeration backwash device is connected with the air pump through first gas circuit, and the air pump links to each other with the control mainboard, and quality of water purifies layer and backwash sewage water inlet intercommunication, and backwash sewage water inlet passes through U type pipe and backwash sewage export intercommunication, and the U type pipe of backwash sewage export lower part passes through the second gas circuit and is connected with the air pump, is equipped with the inflation valve on the first gas circuit, is equipped with the bleeder valve on the second gas circuit.

Furthermore, one end of the U-shaped pipe connected with the backwashing sewage outlet is higher than one end connected with the backwashing sewage inlet.

The utility model has the advantages that: the device adopts a simple automatic dosing device and a purification and disinfection sterilization process to carry out on-site treatment on rural distributed sewage, has the advantages of short construction period, convenience in installation and transportation, flexibility in moving and moving, high removal efficiency, unattended operation, remote control and the like, and meets the purpose of reclaimed water recycling.

Drawings

FIG. 1 is a schematic structural diagram of one embodiment of the decentralized rural sewage treatment plant of the present invention;

FIG. 2 is a schematic view showing the structure of the water purification layer in the main sewage treatment apparatus of the present invention;

FIG. 3 is a schematic structural view of a filter screen in the main sewage treatment equipment of the utility model;

FIG. 4 is a schematic diagram of the aerobic fermentation resource utilization of sewage sludge by using the utility model.

The reference numerals are as follows: 1. the sewage treatment device comprises a water inlet pump, 2, a water inlet pipe, 3, sewage treatment main equipment, 4, an air pump, 5, an air circuit, 6a, an inflation valve, 6b, an air extraction valve, 7, a backwashing sewage outlet, 8, a purified water outlet, 9, an ultraviolet lamp tube, 10, an aeration backwashing device, 11, a filter screen, 11a, an upper filter screen, 11b, a lower filter screen, 12, soft filter fillers, 13, a sludge outlet, 14, a stirring rod, 15, a medicine outlet, 16, an automatic medicine feeding device, 17, a left side baffle, 18, a right side baffle, 19, a backwashing sewage inlet, 20, a clamping plate, 21, a water inlet baffle, 22, a raised slope plateau, 23 and a control main board.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the present invention, unless otherwise specified, the terms "left" and "right" are generally used in accordance with the orientation of the drawings.

Please refer to fig. 1-4, the utility model provides a rural sewage treatment's a technical scheme, a decentralized rural sewage treatment equipment, including water pump 1, sewage treatment main part equipment 3, automatic reagent feeding device 16 and control mainboard 23, sewage treatment main part equipment 3 can design the box structure of a cuboid, and its left side upper portion is provided with water inlet 2, and right side upper portion is provided with delivery port 8, and the top is provided with backwash sewage outlet 7, and the lower extreme is provided with sludge discharge port 13, and sludge discharge port 13 is connected through the pipeline with good oxygen fermentation vat.

The middle part of the sewage treatment main body equipment 3 is a left side baffle plate and a right side baffle plate, namely a purification area formed by the left side baffle plate 17 and the right side baffle plate 18, the left side of the left side baffle plate 17 is a dosing sedimentation area, and the right side of the right side baffle plate 18 is a disinfection and sterilization area. The bottom of left side baffle 17 is connected with 3 diapalls of sewage treatment main part equipment, and upper portion and 3 roof interval certain distances of sewage treatment main part equipment, the top and the 3 roof of sewage treatment main part equipment 3 are connected, and the lower part and 3 diapalls of sewage treatment main part equipment interval certain distances, design like this can make the top of adding medicine precipitation zone and clean area communicate with each other, and the clean area communicates with each other with the bottom in disinfection and sterilization district.

The water inlet 2 of the sewage treatment main body equipment 3 is connected with a water pump 1, and the water pump 1 and an automatic medicine feeding device 16 are connected with a control main board 23. The automatic medicine adding device 16 is provided with 5 circular holes and medicine outlets 15 which are arranged in a straight shape, the medicine outlets 15 are positioned at the upper part of the medicine adding sedimentation area, and the automatic medicine adding device 16 can automatically adjust the medicine adding amount according to the water inlet flow, the temperature and the like. And a stirring rod 14 is arranged under the medicine outlet 15, the stirring rod 14 is positioned in the middle of the left medicine adding precipitation area of the sewage treatment main body equipment 3, a small rod on the stirring rod 14 is 45 degrees with the stirring rod, and 8 stirring rods are uniformly distributed on the stirring rod.

The bottom of the dosing sedimentation region is connected with the sludge discharge port 13, and the left side of the bottom of the dosing sedimentation region is provided with a convex slope plateau 22 which inclines downwards towards the sludge discharge port 13, so that sediments can be better discharged along the sludge discharge port 13.

An aeration backwashing device 10 is arranged at the bottom of the purification area, and a water quality purification layer is arranged above the aeration backwashing device 10.

As shown in the combined

drawings

2 and 3, the water quality purification layer is of a cuboid box structure, and the outer frame line parts of the cuboid box structure are all hard steel bars with the width of 1cm, so that the water quality purification layer can be kept from deforming under the conditions of long-term water impact and backwashing. Cuboid box structure is by upper and lower 11 parcels of stainless steel light filter screen, promptly filter screen 11 includes upper filter screen 11a and lower floor's filter screen 11b, and the two is planar structure, and lower floor's filter screen 11b is fixed in left and right sides baffle 17, 18 through 4 cardboard 20, and cardboard 20 inlays and controls baffle apart from bottom quarter department. The frame that upper filter screen 11a, lower floor's filter screen 11b and stereoplasm billet formed can enclose and establish and form the cuboid dictyosome, and upper filter screen 11a can open, and the dictyosome intussuseption is filled soft and is filtered filler 12, like fibrous filtration material, suspension biological ball filler etc.. The four corners at the bottom of the water purification layer are provided with grooves which are exactly matched with the 4 clamping plates 20 and are finally stabilized on the same horizontal plane. The upper layer filter plate 11a can be opened periodically to replace the soft filter filler, and the whole water purifying layer can be taken out to be cleaned or replaced.

The upper filter screen 11a and the lower filter screen 11b of the water quality purification layer are respectively away from the top and bottom of the purification area by one fourth, and the water quality purification layer is about one half of the height of the equipment main body.

The water purification layer is communicated with a backwashing sewage inlet 19, the backwashing sewage inlet 19 is communicated with a backwashing sewage outlet 7 through a U-shaped pipe, the U-shaped pipe at the lower part of the backwashing sewage outlet 7 is connected with an air pump 4 through an air passage 5, the right side of the U-shaped pipe is higher than the left end, an air suction valve 6b is arranged on the air passage 5, and backwashing is controlled through the air passage 5 to be discharged through the backwashing sewage outlet 7

The lower part of the water quality purification layer is provided with an aeration backwashing device 10 connected with an air pump 4 through an air path 5, the air path 5 is provided with an inflation valve 6a, and air outlets are uniformly distributed on the aeration backwashing device 10. After the sewage main body equipment 1 operates for a period of time, the water quality purification layer can be backwashed through the air control valve. During backwashing, the inlet and outlet valves of the sewage main body equipment 1 are in a closed state (namely the water inlet 2 and the water outlet 8 are closed), the inflation valve 6a is opened at the moment, the air suction valve 6B is closed, aeration is carried out on the backwashing device 10 through the air pump 4 and the inflation valve 6a, the water quality purification layer is backwashed, after cleaning is carried out for 0.5-1 hour, the inflation valve 6a is closed, the air suction valve 6B is opened, the U-shaped pipe is sucked through the air pump 4 and the air suction valve 6B, after a period of air suction, the backwashing sewage can be discharged through the backwashing sewage outlet 7 connected with the U-shaped pipe through the huge pressure difference between the inside and the outside, and suspended matters in the B area can also be simultaneously discharged.

The right side of sewage treatment main part equipment 3 is the disinfection district, is located between right side baffle 18 and the sewage treatment main part equipment 3 right side wall, and three disinfection fluorescent tubes 9 have evenly been laid in the disinfection district.

The utility model discloses the theory of operation: when the decentralized rural sewage treatment equipment is used, the device can be beneficial to a wider area or buried underground. During the use, earlier with sewage through water inlet 2 introduce to sewage treatment plant A district (add medicine precipitation zone promptly), water inlet 2 department is equipped with baffle 21 that inclines down earlier, strike the water when preventing into water, control mainboard 23 can spray the dosing according to the flow of intaking and temperature automatic control automatic reagent feeding device 16, puddler 14 can evenly stir, after sewage and medicament intensive mixing, flocculation and precipitation and mud can slowly pile up in A district bottom, clear water is on A district upper portion, when treating that A district water interface is higher than left side baffle 17, the clear water gets into B district (being the clean area), purify the back to B district bottom deeply through the effect on water quality purification layer, discharge through outlet 8 after the effect disinfection of the ultraviolet disinfection fluorescent tube 9 of C district (being the disinfection and sterilization district). After the sewage treatment equipment runs for a period of time, sludge and sediments can be discharged through the control mainboard 23 and the remote control or manual control sludge discharge port 13, the aeration backwashing is carried out on the water quality purification layer through the control mainboard 23 or the remote inflation valve 6a, and the sewage after the backwashing is discharged through the backwashing sewage outlet 7 after passing through the U-shaped pipe through the suction valve 6 b.

As shown in fig. 4, the sludge outlet 13 at the bottom of the main sewage treatment facility 3 periodically discharges sludge and sediments into the aerobic fermentation tank, and the aerobic fermentation tank is used for aerobic fermentation with excrement, straw, and branches and leaves in household life, and the sludge and sediments can be periodically fermented into farmyard manure with high organic content and maturity by manual stirring, and the farmyard manure can be used for agricultural cultivation, fruit and vegetable planting and the like. The distributed rural sewage treatment equipment can purify rural domestic sewage, realize the cyclic utilization of sewage, realize the resource utilization of sludge, improve the rural living environment and create a certain agricultural economic value.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a rural sewage treatment device of distributed, includes water pump, sewage treatment main part equipment, its characterized in that: the sewage treatment main body equipment is sequentially provided with a dosing sedimentation region, a purification region and a disinfection and sterilization region from left to right, the water inlet is connected with a water pump, the water pump and the automatic dosing device are connected with the control mainboard, a dosing outlet of the automatic dosing device is positioned at the upper part of the dosing sedimentation region, and the bottom of the dosing sedimentation region is connected with a sludge outlet; the purification district bottom is equipped with aeration backwash device, evenly lays the venthole above the aeration backwash device, and the top of aeration backwash device is equipped with quality of water and purifies the layer, disinfection fluorescent tube is laid in the disinfection and isolation district, and aeration backwash device passes through the gas circuit and is connected with the air pump for purify the layer to quality of water and carry out the backwash.

2. The distributed rural sewage treatment equipment of claim 1, wherein: a stirring rod is arranged under the drug outlet and is positioned in the middle of the left drug-adding precipitation zone of the main sewage treatment device.

3. The distributed rural sewage treatment equipment of claim 1, wherein: the sewage treatment main body equipment middle part interval is equipped with left side baffle, right side baffle, forms between left side baffle, the right side baffle the purification zone, left side baffle left side is for adding medicine sedimentation zone, and right side baffle right side is the disinfection district.

4. The distributed rural sewage treatment equipment of claim 3, wherein: the bottom and the sewage treatment main part equipment diapire of left side baffle are connected, and upper portion and sewage treatment main part equipment roof keep a definite distance apart, and the top and the sewage treatment main part equipment roof of sewage treatment main part equipment are connected, and the lower part keeps a definite distance apart from sewage treatment main part equipment diapire.

5. The distributed rural sewage treatment equipment of claim 1, wherein: a convex slope high platform which inclines downwards towards the sludge discharge port is arranged at the left side of the bottom of the dosing sedimentation region.

6. The distributed rural sewage treatment equipment of claim 1, wherein: the quality of water purifies the layer and is cuboid box structure, and the frame lines position of cuboid box structure is the stereoplasm billet, by upper and lower stainless steel light filter screen parcel that is, the filter screen includes upper filter screen and lower floor's filter screen, and the upper filter screen is planar structure, and lower floor's filter screen is upper portion open-ended frame structure, and upper filter screen, lower floor's filter screen enclose with the frame that the stereoplasm billet formed and establish the formation cuboid dictyosome, and one side of upper filter screen is articulated with one side of frame, packs soft filtration filler in the cuboid dictyosome.

7. The distributed rural sewage treatment equipment of claim 6, wherein: the filter screen of lower floor is fixed in left side baffle, right side baffle through four cardboards, and the cardboard inlays in left side baffle, right side baffle apart from bottom quarter department.

8. The distributed rural sewage treatment equipment of claim 6, wherein: the upper filter screen and the lower filter screen of the water quality purification layer are respectively away from the top and the bottom of the purification area by one fourth, and the height of the water quality purification layer is one half of the height of the sewage treatment main body equipment.

9. The distributed rural sewage treatment equipment of claim 1, wherein: aeration backwash device is connected with the air pump through first gas circuit, and the air pump links to each other with the control mainboard, and quality of water purifies layer and backwash sewage water inlet intercommunication, and backwash sewage water inlet passes through U type pipe and backwash sewage export intercommunication, and the U type pipe of backwash sewage export lower part passes through the second gas circuit and is connected with the air pump, is equipped with the inflation valve on the first gas circuit, is equipped with the bleeder valve on the second gas circuit.

10. The decentralized rural sewage treatment plant according to claim 9, wherein: the end of the U-shaped pipe connected with the backwash sewage outlet is higher than the end connected with the backwash sewage inlet.