CN211570383U - Sewage draining port water treatment equipment for urban drainage pipeline - Google Patents

Sewage draining port water treatment equipment for urban drainage pipeline Download PDF

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Publication number
CN211570383U
CN211570383U CN201921637636.1U CN201921637636U CN211570383U CN 211570383 U CN211570383 U CN 211570383U CN 201921637636 U CN201921637636 U CN 201921637636U CN 211570383 U CN211570383 U CN 211570383U
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water
box
water inlet
sewage
water treatment
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CN201921637636.1U
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刘涛
施怀荣
王达
孙丰营
包春林
王晨曦
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Beijing Bangyuan Environmental Protection Technology Co ltd
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Beijing Bangyuan Environmental Protection Technology Co ltd
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Abstract

A sewage draining port water treatment device suitable for urban drainage pipelines is a box-type water treatment device, and comprises an onshore box body and an underwater device, wherein the water mainly comprises an enclosure; the shore box body is a main body for water treatment, mainly comprises four small box bodies which are separated, a water inlet box, a green zeolite filler box, a volcanic filler box and a braid filler box are sequentially arranged along the sewage inflow direction, a water inlet pipe is connected with the water inlet box, the braid filler box is provided with a water outlet, one end of a backwashing water inlet pipe is connected with a gas-liquid mixing pump in the equipment case, and the other end of the backwashing water inlet pipe is connected with backwashing water inlets at the bottoms of the four small box bodies. The equipment is mainly installed on the shore close to a sewage port, and is used for treating domestic and industrial sewage discharged from the sewage port by using the combination of multiple filtering fillers, so that the equipment has the effects of removing ammonia nitrogen, phosphorus, suspended matters and the like, and is discharged into a river channel after improving the water quality.

Description

Sewage draining port water treatment equipment for urban drainage pipeline
Technical Field
The utility model relates to a sewage treatment device, in particular to a treatment device and a method for a sewage port with small flow, belonging to the technical field of multiple sewage treatment.
Background
The current social economy develops rapidly, people's living standard improves day by day, and environmental problem is also more and more severe, and the pollution of rivers and lakes not only influences the ecological balance of waters, threatens human drinking water safety too. The root cause of river and lake pollution is that the water pollutant carrying capacity exceeds the water purifying capacity of the water body, the sewage discharge port is used as a main pollution source, the water quality of the water body is continuously deteriorated due to the characteristics of large sewage discharge amount, long discharge time, high pollutant concentration and the like, all treatment schemes have little effect, after the pollution control and interception, part of the sewage discharge port can be connected into a municipal drainage pipe network or be brought into other small-sized sewage treatment stations for preliminary treatment, but a large amount of scattered sewage discharge ports directly discharge sewage into the river and lake, the difficulty of river and lake water area treatment and later maintenance is increased, and the purified water quality is difficult to maintain for a long time.
At present, most of treatment schemes for sewage outlets in the market are that a bib is built at the sewage outlet in a mode of combining plants and filter materials, the mode is simple and easy to implement, but the filter materials are easy to block, the retention time is short, and the effect of purifying water by the plants is not obvious. The intelligent sewage port processor is integrated equipment developed and designed by Beijing Pongyuan environmental protection science and technology GmbH, aims at solving the problem of sewage pretreatment of sewage ports which are scattered in distribution and low in flow, reduces the amount of pollutants such as nitrogen, phosphorus, organic matters and the like entering rivers and lakes from the sewage ports, and meanwhile helps to improve the transparency of water and improve the self-purification capacity of the water.
SUMMERY OF THE UTILITY MODEL
The utility model provides a sewage mouth water treatment facilities suitable for cities and towns drainage pipe.
The to-be-solved technical problem of the utility model is: in order to overcome the phenomenon of the disordered discharge of sewage in urban and rural drainage pipelines, the utility model discloses a black and odorous phenomenon of river course is improved and administered.
The utility model provides a technical scheme that its technical problem adopted is: firstly, an underwater enclosure is adopted, a water body discharged by a water body is controlled and isolated from raw water, and box type equipment is used for treating sewage on shore. Wherein the box body comprises a water inlet and treatment filtering part, and the accessory equipment comprises detection equipment, power supply equipment, aeration equipment and the like.
Specifically, the utility model relates to a sewage treatment device for pipeline drain, this water treatment device are box body type water treatment device, drain water treatment device include box and aquatic equipment on the bank, the aquatic is mainly including enclosing the partition, its effect is the play water of keeping apart river course former water and drain water treatment device, pigtail formula gland packing box sets up the outlet.
Furthermore, the enclosure mainly makes an isolation space in sewage, the enclosure is integrally made or a plurality of antifouling screen sections are spliced into a required length, the splicing method during splicing the plurality of the enclosure is to fixedly connect the antifouling screen sections into the required length at a connector through nylon ropes, a heavy chain is arranged at the lower part of the antifouling screen sections in a penetrating way, and the enclosure is fixed by connecting and fixing anchors or is fixed by piling; the enclosure dimension is 5.0-10.0m long and 1-1.2m high.
Furthermore, the onshore sewage port processor is mainly of a box body type, the whole box body is made of carbon steel spray plastics, the thickness of the box body is 1.6mm, and the size of the box body is 1.6m multiplied by 1.0m multiplied by 1.8 m. The shore box body is a main body for water treatment, mainly comprises four small separated box bodies, a water inlet box, a zeolite green filler box, a volcanic filler box and a braid filler box are sequentially arranged along the sewage inlet flow direction, a water inlet pipe is connected with the water inlet box, one end of a backwashing water inlet pipe is connected with a gas-liquid mixing pump in an equipment case, backwashing water outlet is discharged from a backwashing water outlet, and the braid filler box is provided with a water outlet.
Furthermore, one end of the back washing water inlet pipe is connected with a gas-liquid mixing pump in the equipment case, the other end of the back washing water inlet pipe is connected with back washing water inlets at the bottoms of the four small cases, and back washing water is discharged from back washing water outlets at the upper parts of the four small cases through a back washing water outlet pipe. After long-time filtration, the fallen biological membrane and impurities are washed away by backwashing, so that the blockage of the filler is avoided.
Furthermore, a corrugated partition plate is arranged on one side of the water inlet tank adjacent to the green zeolite stuffing box to isolate a water inlet tank overflow trough, water naturally overflows into the water inlet tank and enters the green zeolite stuffing box through a water inlet at the bottom of the green zeolite stuffing box, and the water inlet of the volcanic stuffing box and the water inlet of the braid stuffing box are based on the same principle; one side of the top of the water inlet tank is provided with a slag collecting groove, and one side wall of the slag collecting groove is provided with a slag discharging port. Through the adsorption of green zeolite, the mixed components are purified or separated to reduce nitrogen content in sewage and soften water quality.
Further, the bottom of the water inlet tank is provided with an aeration disc, the aeration disc is connected with an aeration fan in the equipment case, the top of the water inlet tank is provided with a slag scraping plate which can move back and forth to one side of the slag collecting groove, pollutants are concentrated through aeration, the pollutants enter the slag collecting groove through the slag scraping plate, and then the pollutants are discharged through a slag discharging port.
Furthermore, the internal structure of the volcanic stuffing box is the same as that of the green zeolite stuffing box, sewage enters the volcanic stuffing box from a communicating port at the bottom of an overflow groove of the green zeolite stuffing box, is filtered by volcanic stuffing, overflows through a partition plate of the volcanic stuffing box to enter the overflow groove of the volcanic stuffing box, and then enters the braid stuffing box from a communicating port at the bottom of the braid stuffing box.
Furthermore, the volcanic filler box body filter material has the advantages of 3-5cm in average particle size, about 40% in average porosity, small resistance to water, large specific surface area, high aperture ratio and inertia, is beneficial to contact biofilm formation and growth of microorganisms, keeps more microorganism biomass, is beneficial to the mass transfer process of oxygen, nutrient substances and waste generated by metabolism in the microbial metabolism process, and the like, and effectively performs secondary treatment on sewage.
Furthermore, a braid-type fiber filler is filled in the braid-type stuffing box, the filler can be made of nylon fibers, a water outlet is formed in the upper portion of the side wall of the box body at the rear portion of the braid-type stuffing box, and sewage is filtered through the filler after entering the braid-type stuffing box and then is discharged through the water outlet above the rear side of the braid-type stuffing box. The braid-type fiber filter material has the advantages of large specific surface area, capability of simulating the form of natural aquatic weeds, difficulty in storing sludge, changeability of the diameter of a tube during oxygenation, no blockage, hydrophilicity, lipophilicity, good cutting effect on bubbles, oxygen storage function, strong adsorption capacity, high biological activity, high mass transfer efficiency, convenience in installation, long service life and the like, and is wide in application.
And further, the water is treated by the three layers of filter materials and then discharged from the water outlet at the upper part of the braided filler, and freely flows into the water outlet of the river channel.
Furthermore, the equipment case is arranged on one side of the water inlet tank and below the slag collecting groove, and a power supply system, an aeration fan, a gas-liquid mixing pump and water quality detection equipment are mainly arranged in the equipment case. Flow rate of gas-liquid mixing pump 5m3H, 5m of lift and 1.5 kW. The suction inlet of the gas-liquid mixing pump can suck gas by utilizing the negative pressure effect, the pump impeller rotating at high speed mixes and stirs liquid and gas, the gas and the liquid are fully dissolved due to the pressurization and mixing in the pump, and the dissolving efficiency can reach 80-100%.
Furthermore, the water quality detection system mainly selects a low-power direct-current monitoring all-in-one machine, a plurality of detection probes are respectively placed at a water inlet and a water outlet, the PH, ORP and DO index data changes of the water body can be detected in real time, the detection result is transmitted to a PLC screen of the equipment case, and the monitoring result is displayed in real time.
Furthermore, the power supply system can be an external solar battery or an external civil power supply, the solar battery supplies power for the detection system, the specification of the solar battery is rated voltage 12V, the capacity is 100AH, and the gas-liquid mixing pump, the aeration fan and the display screen are supplied with power by civil electricity. The light sensing solar panel is provided with the light sensing probe, the orientation of the solar panel can be constantly adjusted according to the illumination direction, the solar panel constantly keeps high working efficiency, and the telescopic support can adjust the height of the light sensing solar panel and prevent the solar panel from being shielded by surrounding river banks, trees and the like.
Furthermore, the water inlet, the air flotation and the back washing of the water treatment equipment use the same gas-liquid mixing pump, a water inlet pipe is connected with the gas-liquid mixing pump and then communicated with a water inlet of a water inlet tank, the water inlet pipe and a back washing water pipe are connected with a water outlet of the gas-liquid mixing pump through a tee joint, and the water treatment operation or the back washing operation is carried out through the control of the tee joint valve.
Furthermore, the backwashing water outlets arranged on the side of the box body can also play a role of overflowing, so that the internal structure of the box body is prevented from being damaged when the water volume is increased sharply, and the backwashing water outlets on the side surface can overflow when the water level rising speed is higher than the discharge speed.
The utility model discloses the beneficial effect of product does:
1. the water treatment equipment of the utility model is multifunctional integrated equipment, the device is placed on the shore to operate, and in consideration of the problem of sewage collection, an enclosure is required to be arranged at a sewage discharge port; in order to prevent the biological filler in the equipment from being blocked after running for a certain time and reduce the treatment efficiency, a water inlet tank is arranged before the filler is filtered, internal aeration is carried out for air floatation, suspended matters and partial impurities in sewage are reduced, the pollution load of a filler tank is reduced, meanwhile, a back flushing pipe is arranged at the bottom of the filler tank, back flushing is carried out at intervals, back flushing wastewater is collected and then is subjected to cyclic treatment, and the pollution caused by direct discharge into a river channel is avoided.
2. Considering the variability of drain sewage flow, for preventing that the biomembrane mummification in the filler dies when the drain cuts off, the filler room rivers all adopt the overflow mode, and are less to the filler injury to adopt zeolite viridis filler, volcanic stuffing box and pigtail formula stuffing box to filter in proper order, multiple filtration can furthest purification quality of water.
3. The utility model discloses a sewage collecting and treating device box of water treatment equipment is the wall formula substep and handles the flow in proper order. The design of the box body has flexibility, and the filter material of the small box body inside can be increased or adjusted according to the water quality characteristics of the sewage outlet of the drainage pipelines in different towns.
4. The utility model discloses water body from last stuffing box enters into next stuffing box and adopts the overflow mode among the water treatment facilities, has solved the unstable problem of inflow. Under the condition of normal flow, ensuring the normal growth of a coating of a filter material in the filter box; when the flow is small and unstable or the flow is cut off, the water outlet in the box body stops along with the stop of the water inlet, the original water level is kept unchanged, and the adverse effect on the growth of a coating in the box body is reduced to the minimum.
Description of the drawings:
fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic diagram of the overall structure of the present invention.
FIG. 3 is a schematic view of a water inlet tank.
FIG. 4 is a schematic view of a filter media box.
Detailed Description
In order to better understand the present invention, the following embodiments are further illustrated to embody the functions of the present invention. However, the present invention is not limited to the following examples.
The water treatment equipment of the sewage draining port for the drainage pipeline in the town is box-type water treatment equipment, the water treatment equipment of the sewage draining port comprises an onshore box body and water treatment equipment, and the water treatment equipment mainly comprises an enclosure which is used for isolating the raw water of a river channel and the outlet water of the water treatment equipment of the sewage draining port; the shore box body is a main body for water treatment, the whole box body is made of carbon steel and sprayed with plastic, the thickness is 1.6mm, the size is 1.6m multiplied by 1.0m multiplied by 1.8m, the shore box body mainly comprises four small box bodies which are separated, a water inlet box 1, a green zeolite packing box 2, a volcanic rock packing box 3 and a braid packing box 4 are sequentially arranged along the sewage inlet flow direction, a water inlet pipe 5 is connected with the water inlet box 1, one end of a backwashing water inlet pipe 6 is connected with a gas-liquid mixing pump in an equipment case 16, the other end of the backwashing water inlet pipe is connected with backwashing water inlets 17 at the bottoms of the four small box bodies, backwashing outlet water is discharged from a backwashing water outlet through a backwashing water outlet pipe 8, the braid packing box 4 is provided with a water outlet 9, water after slag materials in water are collected in a slag collecting groove 11 enters a filter material box through a water inlet 12 at the bottom of the first packing box. The underwater enclosure is a waterproof antifouling barrier made of PVC, is integrally formed and is fixed by piling; the enclosure dimension is 5.0-10.0m long and 1-1.2m high. The enclosure is arranged at the upstream of the water outlet of the water treatment equipment to block the water flow of the river channel and reserve a sewage discharge space at the water outlet.
In this embodiment, one side of the top of the water inlet tank 1 is provided with a slag collecting groove 11, and one side wall of the slag collecting groove 11 is provided with a slag discharging port 7. The bottom of the water inlet tank 1 is provided with an aeration disc, the aeration disc is connected with an aeration fan in the equipment case 16, the top of the water inlet tank 1 is provided with a slag scraping plate which can move back and forth to one side of the slag collecting groove 11, pollutants are concentrated through aeration, the pollutants enter the slag collecting groove 11 through the slag scraping plate, and then the pollutants are discharged through the slag discharging port 7. The equipment case 16 is arranged on one side of the water inlet tank and below the slag collecting groove 11, and is internally provided with a power supply system, an aeration fan, a gas-liquid mixing pump and water quality detection equipment.
In the embodiment, a corrugated partition plate 10 is arranged on one side of the water inlet tank 1 adjacent to the green zeolite stuffing box 2 to isolate a water inlet tank overflow trough 15, water naturally overflows into the water inlet tank and enters the green zeolite stuffing box 2 through a water inlet 12 at the bottom of the green zeolite stuffing box, and the volcanic stuffing box 3 and the braided stuffing box are also subjected to the same principle of water inlet; the internal structure of the volcanic stuffing box 3 is the same as that of the green zeolite stuffing box 2, sewage enters the overflow groove from a partition plate 13 of the green zeolite stuffing box and enters the volcanic stuffing box 3 from a communication port at the bottom of the overflow groove, after being filtered by volcanic stuffing, overflows through a partition plate 14 of the volcanic stuffing box and enters the overflow groove of the volcanic stuffing box 3, and then enters the braid stuffing box 4 from a communication port at the bottom of the braid stuffing box 4; the braided fiber packing is filled in the braided packing box 4, the packing material can be nylon fiber, a water outlet 9 is arranged on the upper portion of the side wall of the box body at the rear part of the braided packing box 4, and sewage is filtered after entering the braided packing box 4 and then is discharged through the water outlet 9 above the rear side of the braided packing box 4.
In the embodiment, the average grain size of the filter material of the green zeolite filler box body is 5-8cm, the average grain size of the filter material of the volcanic filler box body is 3-5cm, and the average porosity is about 40%.
In this embodiment, the power supply system is an external civil power supply. In other embodiments, the power supply system can have various forms, such as an external solar battery and an external civil power supply, wherein the solar battery supplies power to the detection system, the specification of the solar battery is 12V rated voltage and 100AH rated capacity, and the gas-liquid mixing pump, the aeration fan and the PLC screen supply power by civil electricity. The water quality detection system mainly adopts a low-power direct-current monitoring all-in-one machine, a plurality of detection probes are respectively arranged at a water inlet and a water outlet, the changes of PH, ORP and DO index data of a water body can be detected in real time, the detection result is transmitted to a PLC screen of the equipment case 16, and the monitoring result is displayed in real time.
In another embodiment, the same gas-liquid mixing pump is used for water inlet, air flotation and back washing, a water inlet pipe is connected with the gas-liquid mixing pump and then communicated with a water inlet of the water inlet tank 1, the water inlet pipe and the back washing water pipe 6 are connected with a water outlet of the gas-liquid mixing pump through a tee joint, and water treatment operation or back washing operation is carried out through the control of the tee joint valve. The suction inlet of the gas-liquid mixing pump can suck gas by utilizing the negative pressure effect, the pump impeller rotating at high speed mixes and stirs liquid and gas, the gas and the liquid are fully dissolved due to the pressurization and mixing in the pump, and the dissolving efficiency can reach 80-100%. Different required functionalities are controlled by a gate valve, and a gas-liquid mixing pump is used, so that the dissolved gas-liquid preparation efficiency can be improved, the preparation device is simplified, and the initial investment is reduced. The equipment model is as follows: SOWQI System-240, pump specification: the flow rate is 5m3/h, the lift is 5m, and the power is 1.5 kW.
If the water flow is larger than the treatment capacity, the water body is discharged through the side backwashing water outlet of the filtering box body, and the backwashing water outlet is 10cm higher than the water outlet.
The sewage treatment equipment of the embodiment can be used for sewage treatment of the sewage discharge outlets of the drainage pipelines in cities and towns, in other embodiments, the size of the box body equipment can be determined according to the water quantity of the sewage discharge outlets in a specific actual site, geography and other conditions, and the form and the type of the filter material in the box body can be determined according to the on-site water quality characteristic condition. The sewage mouth of general urban drainage pipe is mostly the mill drainage, and the sewage mouth of rural drainage pipe is mostly the collection of resident's domestic water and earth's surface rainwater, so need administer quality of water at the source of discharging, reduce the pollution volume in river course, improve the water quality of discharging rivers and lakes, improve ecological environment, consequently need this utility model to have pointed ground to the water and administer.
The water treatment equipment of the embodiment is multifunctional integrated equipment, the water inlet tank is provided with aeration equipment, internal aeration is carried out for air floatation, suspended matters and partial impurities in sewage are reduced, the pollution load of the filling tank is reduced, meanwhile, the bottom of the filling tank is provided with a back-flushing pipe, back flushing is carried out at intervals, back-flushed wastewater is collected and then is circularly treated, and pollution caused by direct discharge into a river channel is avoided. In addition, in the embodiment, the green zeolite filler, the volcanic rock filler box and the braided filler box are sequentially adopted for filtering, and the green zeolite can absorb excessive ammonia nitrogen, organic matters and heavy metal ions in water; the volcanic filler has small resistance to water, large specific surface area, high aperture ratio and inertia, is beneficial to contact biofilm formation and growth of microorganisms, keeps more microorganism amount and forms a filtering treatment structure similar to a biological membrane; the final braided filler is a bionic filler, simulates the structure of a plant in water to further filter and adsorb pollutants in the water, and further purifies the water. Compared with the sewage port treatment equipment on the market at present, the sewage port treatment equipment can purify the water more efficiently and can reach the discharge standard regulated by the state. If the effluent is unqualified, the treatment can be realized by adjusting the filler and the like.
Finally, it should be pointed out that the above-mentioned embodiments are only used to illustrate the technical solution of the present invention, and are not limited thereto; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solution depart from the spirit and scope of the technical solution of the practical novel embodiments.

Claims (7)

1. A sewage draining port water treatment device for urban drainage pipelines is a box-type water treatment device, and comprises an onshore box body and water treatment equipment, wherein the water treatment equipment mainly comprises an enclosure which is used for isolating the raw water of a river channel and the outlet water of the sewage draining port water treatment equipment; the method is characterized in that: the shore box body is a main body for water treatment, and mainly comprises four small box bodies which are separated, wherein a water inlet box (1), a zeolite green stuffing box (2), a volcanic stuffing box (3) and a braid stuffing box (4) are sequentially and respectively arranged along the sewage inlet flow direction, the water inlet box (1) is connected with a water inlet pipe (5), a water outlet (9) is arranged on the braid stuffing box (4), one end of a backwashing water inlet pipe (6) is connected with a gas-liquid mixing pump in an equipment case (16), the other end of the backwashing water inlet pipe is connected with four backwashing water inlets (17) at the bottoms of the small box bodies, and backwashing water outlet on the upper parts of the four small box bodies is discharged through a backwashing water outlet pipe (8).
2. The sewage draining port water treatment device according to claim 1, wherein the enclosure in water is a water-tight and anti-fouling barrier made of PVC or geotextile, the enclosure is integrally formed or is spliced into a required length by a plurality of anti-fouling screen sections, and the enclosure blocks the water flow of a river channel at the upstream of the water outlet of the water treatment device to leave a sewage discharging space at the water outlet.
3. The sewage draining port water treatment equipment according to the claim 1, characterized in that the side of the water inlet tank (1) adjacent to the zeolite green stuffing box (2) is provided with a corrugated clapboard (10) to isolate a water inlet tank overflow trough (15), water naturally overflows into the tank and enters the zeolite green stuffing box (2) through a water inlet (12) at the bottom of the zeolite green stuffing box, and the volcanic stuffing box (3) and the braided stuffing box feed water by the same principle; one side of the top of the water inlet tank (1) is provided with a slag collecting groove (11), and one side wall of the slag collecting groove (11) is provided with a slag discharging port (7).
4. The sewage draining port water treatment equipment according to claim 1, characterized in that the bottom of the water inlet tank (1) is provided with an aeration disc, the aeration disc is connected with an aeration fan in the equipment case (16), the top of the water inlet tank (1) is provided with a slag scraping plate which can move back and forth to one side of the slag collecting groove (11), pollutants are concentrated through aeration, and the pollutants enter the slag collecting groove (11) through the slag scraping plate and then are discharged through the slag discharging port (7).
5. A sewage draining port water treatment device according to claim 1, characterized in that the volcanic stuffing box (3) has the same internal structure as the zeg filler box (2), sewage overflows from the zeg filler box partition plate (13) into the overflow tank of the zeg filler box and enters the volcanic stuffing box (3) from the communicating port at the bottom thereof, after being filtered by the volcanic stuffing, overflows through the volcanic stuffing box partition plate (14) into the overflow tank of the volcanic stuffing box (3) and enters the braided stuffing box (4) from the communicating port at the bottom of the braided stuffing box (4).
6. The sewage draining port water treatment equipment according to claim 1, characterized in that the braided fiber packing is filled in the braided packing box (4), a water draining port (9) is arranged at the upper part of the side wall of the box body at the rear part of the braided packing box (4), and sewage enters the braided packing box (4), is filtered by the packing and then is drained out through the water draining port (9) at the upper part of the rear side of the braided packing box (4).
7. The sewage draining port water treatment equipment according to any one of claims 1 to 6, characterized in that the equipment cabinet (16) is arranged on one side of the water inlet tank and below the slag collecting tank (11), and a power supply system, an aeration fan, a gas-liquid mixing pump and a water quality detecting device are mainly arranged in the equipment cabinet.
CN201921637636.1U 2019-09-29 2019-09-29 Sewage draining port water treatment equipment for urban drainage pipeline Active CN211570383U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921637636.1U CN211570383U (en) 2019-09-29 2019-09-29 Sewage draining port water treatment equipment for urban drainage pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921637636.1U CN211570383U (en) 2019-09-29 2019-09-29 Sewage draining port water treatment equipment for urban drainage pipeline

Publications (1)

Publication Number Publication Date
CN211570383U true CN211570383U (en) 2020-09-25

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Application Number Title Priority Date Filing Date
CN201921637636.1U Active CN211570383U (en) 2019-09-29 2019-09-29 Sewage draining port water treatment equipment for urban drainage pipeline

Country Status (1)

Country Link
CN (1) CN211570383U (en)

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