Surface sewage purification system

Abstract

The utility model discloses an earth surface sewage purification system, which relates to the technical field of sewage treatment equipment, and comprises a purification water tank, a plurality of filter components, a clear water storage pool and an air blower, the plurality of filter components are arranged in the purification water tank in a matching way, and each filter component comprises a mounting frame, a plurality of curtain type membranes and an aeration pipe fitting; the curtain type membranes and the aeration pipe fitting are arranged on the installation frame in a matched mode, the aeration pipe fitting is arranged below the curtain type membranes, each curtain type membrane comprises a plurality of hollow fiber membrane filaments and a pair of water collecting pipes, and the aeration pipe fitting comprises a plurality of aeration branch pipes and an aeration main pipe. The problems that at present, people in remote mountainous areas purify surface water in a water boiling mode, silt and impurities in the surface water cannot be effectively removed, and body health is harmed after long-term drinking are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment equipment, in particular to a surface sewage purification system. Background Art

[0002] Surface water refers to water on the surface of the earth or underground water bodies, including rivers, lakes, reservoirs, etc. It is an important water resource that is indispensable to human daily life, agricultural production and industrial production. The sources of surface water mainly include precipitation, snowmelt, groundwater seepage, water stored in the soil, etc. Surface water flows on the surface and interacts with soil, rocks, organisms, etc. to form a surface water ecosystem.

[0003] At present, the main source of drinking water in many remote areas is surface water such as rivers, lakes, and reservoirs. However, since surface water such as rivers, lakes, and reservoirs flows on the surface and interacts with soil, rocks, and organisms, these surface waters contain a large amount of silt, impurities, and microorganisms. At present, people in remote areas mostly use boiling to purify surface water, but this purification method can only remove microorganisms in surface water, and cannot effectively remove the silt and impurities in it. Long-term drinking will cause health problems.

[0004] In the invention with application number: CN201711107041.0 and publication number: CN107640872A, a water purification system is disclosed, including a sewage pool, a filter pool and a disinfection pool connected in sequence, a water distributor is arranged in the filter pool, the water distributor is connected to the sewage pool through a sewage pipe, a soil layer, a fine sand layer, a coarse sand layer, a gravel layer and a pebble layer are arranged in sequence from top to bottom in the filter pool, a clean water pipe is arranged at the bottom of the filter pool, a three-way pipe is connected to the clean water pipe, the other two ends of the three-way pipe are respectively connected to a faucet and a disinfection pool, and a water outlet pipe is arranged on the other side of the disinfection pool. However, the system is not suitable for use in remote areas. Utility Model Content

[0005] Based on this, in response to the above problems, the utility model proposes a surface sewage purification system, which can effectively remove silt, impurities and microorganisms in surface water, solving the problem that people in remote mountainous areas currently use boiling water to purify surface water, which cannot effectively remove the silt and impurities in it, and the problem that long-term drinking will endanger health.

[0006] The technical solution of the utility model is:

[0007] A surface sewage purification system comprises a purified water tank, a plurality of filter components, a clean water storage tank and a blower, wherein the plurality of filter components are cooperatively arranged in the purified water tank, the filter components comprise a mounting frame, a plurality of curtain membranes and an aeration pipe fitting, the plurality of curtain membranes and the aeration pipe fitting are cooperatively arranged on the mounting frame, and the aeration pipe fitting is arranged below the plurality of curtain membranes;

[0008] The curtain membrane includes a pair of water collecting pipes for a number of hollow fiber membranes, the two ends of the number of hollow fiber membranes are respectively connected to the pair of water collecting pipes, the pair of water collecting pipes are respectively connected to the mounting frame, a water collecting pipe is provided on one side of the mounting frame, one end of the water collecting pipes in the number of curtain membranes is connected to the water collecting pipe, a water supply pipe is provided on the top of the purified water tank, one end of the water collecting pipes in the number of filter components penetrates the top of the purified water tank and is connected to the water supply pipe, and one end of the water supply pipe is connected to the clean water storage tank through a delivery pipeline;

[0009] The aeration pipe fittings include several aeration branch pipes and an aeration main pipe. The aeration branch pipes are installed on the mounting frame. One end of the aeration branch pipes is connected to the aeration main pipe. A gas supply branch pipe is provided on one side of the mounting frame. One end of the aeration main pipe is connected to the gas supply branch pipe. A gas supply main pipe is provided on the top of the purified water tank. One end of the gas supply branch pipes in several filter components is connected to the gas supply main pipe. One end of the gas supply main pipe is connected to the blower through a gas supply pipeline.

[0010] Preferably, a gas one-way valve is provided on the gas pipeline.

[0011] Preferably, a raw water inlet is provided at the lower end of one side of the purified water tank, the raw water inlet is connected to a raw water delivery pipe, one end of the raw water delivery pipe is connected to the raw water inlet, and the other end can be connected to a raw water source, and a raw water delivery pump, a raw water manual butterfly valve, a raw water electric butterfly valve and a raw water check valve are provided on the raw water delivery pipe in sequence.

[0012] Preferably, a sewage outlet is provided at the lower end of one side of the purified water tank, the sewage outlet is connected to a sewage pipe, one end of the sewage pipe is connected to the sewage outlet, and the other end can be connected to the impurity discharge point, and a sewage manual butterfly valve and a sewage electric butterfly valve are provided on the sewage pipe in sequence.

[0013] Preferably, an overflow port is provided at an upper end of one side of the purified water tank, the overflow port is connected to an overflow pipe, one end of the overflow pipe is connected to the overflow port, and the other end is connected to the sewage pipe.

[0014] Preferably, a discharge port is provided at the bottom of the purified water tank, the discharge port is connected to a discharge pipe, one end of the discharge pipe is connected to the discharge port, and the other end is connected to the sewage pipe, and a discharge manual ball valve is provided on the discharge pipe.

[0015] Preferably, it also includes a backwash water tank, one end of which is provided with a backwash water outlet, the backwash water outlet is connected to the delivery pipe through a backwash output pipe, and the backwash output pipe is sequentially provided with a backwash manual ball valve, a backwash delivery pump, a backwash one-way valve and a backwash electric ball valve.

[0016] Preferably, a backwash water replenishing port is provided on the backwash water tank, and the backwash water replenishing port is connected to the delivery pipe through a backwash input pipe, and a backwash water manual ball valve and a backwash water electric ball valve are sequentially provided on the backwash input pipe.

[0017] Preferably, an online turbidity detector, an electromagnetic flowmeter, a vacuum detection box, a mechanical pressure gauge, a delivery manual ball valve, a delivery electric ball valve and an online residual chlorine detector are sequentially arranged on the delivery pipeline.

[0018] Preferably, it also includes a dosing box, which is provided with a first dosing outlet and a second dosing outlet, the first dosing outlet is connected to the backwash output pipe through a first dosing pipe, and the connection between the first dosing pipe and the backwash output pipe is located between the backwash delivery pump and the backwash check valve, the first dosing pipe is provided with a first dosing output pump, the second dosing outlet is connected to the delivery pipe through a second dosing pipe, the connection between the second dosing pipe and the delivery pipe is located between the delivery electric ball valve and the online residual chlorine detector, and the second dosing pipe is provided with a second dosing output pump.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] The utility model realizes the purification of surface water by setting a number of filtering components. When in use, the surface water in the purified water tank penetrates into the hollow fiber membrane, and impurities, silt and microorganisms are blocked outside the hollow fiber membrane. Then the clean water entering the hollow fiber membrane enters the water collecting pipe, then enters the water collecting pipe, then enters the water main pipe, then enters the delivery pipe, and finally enters the clean water tank for storage, thereby achieving the problem of surface water purification; by setting an aeration pipe under the curtain membrane, when in use, the outside air enters the gas pipeline through the blower, then enters the gas main pipe, then enters the gas branch pipe, then enters the aeration main pipe, and finally enters the aeration branch pipe for spraying, thereby forming an upward airflow, which can produce a certain cleaning effect on the hollow fiber membrane through the upward airflow, and at the same time increase the oxygen content in the clean water, thereby improving the water quality. It solves the problem that people in remote mountainous areas currently use boiling water to purify surface water, but cannot effectively remove the silt and impurities inside, and long-term drinking will cause harm to health. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the framework structure of a surface sewage purification system described in an embodiment of the utility model. Figure 1 ;

[0022] Figure 2 This is a schematic diagram of the framework structure of a surface sewage purification system described in an embodiment of the utility model. Figure 2 ;

[0023] Figure 3This is a schematic diagram of the framework structure of a surface sewage purification system described in an embodiment of the utility model. Figure 3 ;

[0024] Figure 4 It is a schematic diagram of the structure of the purified water tank described in the embodiment of the utility model;

[0025] Figure 5 This is a schematic diagram of the structure of the filter assembly when installed in the embodiment of the utility model. Figure 1 ;

[0026] Figure 6 This is a schematic diagram of the structure of the filter assembly when installed in the embodiment of the utility model. Figure 2 ;

[0027] Figure 7 It is described in the embodiment of the utility model Figure 6 A schematic diagram of the enlarged structure at A in the middle;

[0028] Description of reference numerals:

[0029] 10-purified water tank, 100-raw water inlet, 101-raw water delivery pipe, 102-raw water source, 103-raw water delivery pump, 104-raw water manual butterfly valve, 105-raw water electric butterfly valve, 106-raw water check valve, 107-sewage outlet, 108-sewage pipeline, 109-sewage manual butterfly valve, 110-sewage electric butterfly valve, 111-overflow port, 112-overflow pipeline, 113-discharge port, 114-discharge pipeline, 115 - manual ball valve for discharge, 20- filter assembly, 200- mounting bracket, 201- curtain membrane, 202- aeration pipe fittings, 203- hollow fiber membrane, 204- water collecting pipe, 205- water collecting pipe, 206- water main pipe, 207- delivery pipeline, 208- aeration branch pipe, 209- aeration main pipe, 210- gas branch pipe, 211- gas main pipe, 212- gas pipeline, 213- gas check valve, 214- online turbidity detector, 2 15-electromagnetic flowmeter, 216-vacuum detection box, 217-mechanical pressure gauge, 218-transport manual ball valve, 219-transport electric ball valve, 220-online residual chlorine detector, 221-gas hole, 222-fixed base frame, 223-embedded parts, 30-clean water storage tank, 40-blower, 50-backwash water tank, 51-backwash water level sensor, 500-backwash water outlet, 501-backwash output pipeline, 502-backwash manual ball Valve, 503-backwash delivery pump, 504-backwash one-way valve, 505-backwash electric ball valve, 506-backwash water replenishment port, 507-backwash input pipeline, 508-backwash water manual ball valve, 509-backwash water electric ball valve, 60-dosing box, 600-first dosing outlet, 601-second dosing outlet, 602-first dosing pipeline, 603-first dosing output pump, 604-second dosing pipeline, 605-second dosing output pump. DETAILED DESCRIPTION

[0030] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0031] Example:

[0032] like Figure 1 , Figures 4 to 6 As shown, in order to solve the above problems, the present embodiment discloses a surface sewage purification system, including a purified water tank 10, a plurality of filter assemblies 20, a clean water storage tank 30 and a blower 40, wherein the plurality of filter assemblies 20 are cooperatively arranged in the purified water tank 10, the filter assemblies 20 include a mounting frame 200, a plurality of curtain membranes 201 and an aeration pipe 202, the plurality of curtain membranes 201 and the aeration pipe 202 are cooperatively arranged on the mounting frame 200, and the aeration pipe 202 is arranged below the plurality of curtain membranes 201;

[0033] The curtain membrane 201 includes a plurality of hollow fiber membranes 203 and a pair of water collecting pipes 204. Both ends of the plurality of hollow fiber membranes 203 are respectively connected to the pair of water collecting pipes 204. The pair of water collecting pipes 204 are respectively connected to the mounting frame 200. A water collecting pipe 205 is provided on one side of the mounting frame 200. One end of the water collecting pipes 204 in the plurality of curtain membranes 201 is connected to the water collecting pipe 205. A water delivery pipe 206 is provided on the top of the purified water tank 10. One end of the water collecting pipe 205 in the plurality of filter assemblies 20 passes through the top of the purified water tank 10 and is connected to the water delivery pipe 206. One end of the water delivery pipe 206 is connected to the clean water storage tank 30 through a delivery pipe 207.

[0034] The aeration pipe fittings 202 include a plurality of aeration branch pipes 208 and an aeration main pipe 209. The aeration branch pipes 208 are mounted on the mounting frame 200. One end of the aeration branch pipes 208 is connected to the aeration main pipe 209. A gas supply branch pipe 210 is provided on one side of the mounting frame 200. One end of the aeration main pipe 209 is connected to the gas supply branch pipe 210. A gas supply main pipe 211 is provided on the top of the purified water tank 10. One end of the gas supply branch pipes 210 in the plurality of filter assemblies 20 is connected to the gas supply main pipe 211. One end of the gas supply main pipe 211 is connected to the blower 40 via a gas supply pipeline 212.

[0035] The utility model realizes the purification of surface water by setting a plurality of filter components 20. When in use, the surface water in the purified water tank 10 penetrates into the hollow fiber membrane filaments 203, and impurities, silt and microorganisms are blocked outside the hollow fiber membrane filaments 203. Then, the clean water entering the hollow fiber membrane filaments 203 enters the water collecting pipe 204, then enters the water collecting pipe 205, then enters the water conveying main pipe 206, then enters the conveying pipe 207, and finally enters the clean water tank for storage, thereby achieving the problem of purifying surface water; by setting an aeration pipe 202 under the curtain membrane 201, when in use, the outside air enters the air conveying pipe 212 through the blower 40, then enters the air conveying main pipe 211, then enters the air conveying branch pipe 210, then enters the aeration main pipe 209, and finally enters the aeration branch pipe 208 for spraying, thereby forming an upward airflow, which can produce a certain cleaning effect on the hollow fiber membrane filaments 203 through the upward airflow, and at the same time increase the oxygen content in the clean water, thereby improving the water quality. This solves the problem that people in remote mountainous areas currently use boiling water to purify surface water, which cannot effectively remove the mud and impurities in it, and the problem that long-term drinking will cause harm to health.

[0036] like Figure 7 As shown, the aeration branch pipe 208 is arranged below the curtain membrane 201 , and a plurality of gas holes 221 for gas outflow are provided on the aeration branch pipe 208 , and the gas holes 221 are arranged on one side of the aeration branch pipe 208 close to the curtain membrane 201 .

[0037] When in use, the air in the aeration branch pipe 208 is ejected from the gas holes 221 .

[0038] like Figure 5 As shown, in order to facilitate the installation of the purified water tank 10, this embodiment is modified on the basis of the above embodiment. The difference from the above embodiment is that a fixed base frame 222 is provided at the bottom of the purified water tank 10, and an embedded part 223 is provided at the bottom of the fixed base frame 222.

[0039] During installation, the embedded part 222 at the bottom of the mounting frame 200 needs to be buried in the soil to a certain depth, and then the purified water tank 10 is fixed by cement or other fixing methods.

[0040] In order to prevent air from flowing back and thus being unable to enter the purified water tank 10 , this embodiment is modified on the basis of the above embodiment. The difference from the above embodiment is that a gas one-way valve 213 is provided on the gas pipeline 212 .

[0041] The gas one-way valve 213 can adopt a gas one-way valve 213 in the prior art that can realize the function of the utility model.

[0042] like Figure 1 , Figure 4 As shown, in order to facilitate the injection of surface raw water into the purified water tank 10, this embodiment is modified on the basis of the above embodiment. The difference from the above embodiment is that a raw water inlet 100 is provided at the lower end of one side of the purified water tank 10, and the raw water inlet 100 is connected to a raw water delivery pipe 101. One end of the raw water delivery pipe 101 is connected to the raw water inlet 100, and the other end can be connected to a raw water source 102. A raw water delivery pump 103, a raw water manual butterfly valve 104, a raw water electric butterfly valve 105 and a raw water check valve 106 are provided on the raw water delivery pipe 101 in sequence.

[0043] The raw water delivery pump 103, the raw water manual butterfly valve 104, the raw water electric butterfly valve 105 and the raw water check valve 106 respectively adopt the water pump, manual butterfly valve, electric butterfly valve and liquid check valve in the prior art that can realize the functions of the utility model. The raw water source 102 can be a lake, river, reservoir and other surface water collection places, which can naturally settle the sludge with strong adhesion.

[0044] The raw water delivery pump 103 serves to pump surface raw water into the raw water delivery pipe 101. The raw water manual butterfly valve 104 is a normally open valve. The surface raw water entering the raw water delivery pipe 101 passes through the raw water manual butterfly valve 104, the raw water electric butterfly valve 105 and the raw water one-way valve 106 and enters the purified water tank 10. The raw water electric butterfly valve 105 serves to control the delivery of surface raw water, and the raw water one-way valve 106 serves to prevent the backflow of surface raw water.

[0045] In order to facilitate the discharge of mud, impurities and microorganisms left after purification, this embodiment is modified on the basis of the above embodiment. The difference from the above embodiment is that a sewage outlet 107 is provided at the lower end of one side of the purified water tank 10, and the sewage outlet 107 is connected to a sewage pipe 108. One end of the sewage pipe 108 is connected to the sewage outlet 107, and the other end can be connected to the impurity discharge point. A sewage manual butterfly valve 109 and a sewage electric butterfly valve 110 are provided on the sewage pipe 108 in sequence.

[0046] The manual butterfly valve 109 for sewage discharge and the electric butterfly valve 110 for sewage discharge are respectively manual butterfly valves and electric butterfly valves in the prior art that can realize the functions of the utility model. The manual butterfly valve 109 for sewage discharge is a normally open valve, and the electric butterfly valve 110 for sewage discharge is used to control sewage discharge.

[0047] In order to prevent surface raw water from overflowing from the purified water tank 10, this embodiment is modified on the basis of the above embodiment. The difference from the above embodiment is that an overflow port 111 is provided at the upper end of one side of the purified water tank 10, and the overflow port 111 is connected to an overflow pipe 112. One end of the overflow pipe 112 is connected to the overflow port 111, and the other end is connected to the sewage pipe 108.

[0048] The overflow port 111 can be set according to actual needs. When in use, when the surface raw water in the purified water tank 10 reaches the preset overflow port 111 position, the surface raw water can enter the sewage pipe 108 through the overflow port 111 and the overflow pipe 112, thereby achieving an overflow effect.

[0049] In order to facilitate the rapid discharge of surface raw water in the purified water tank 10 during maintenance, this embodiment is modified on the basis of the above embodiment. The difference from the above embodiment is that a discharge port 113 is provided at the bottom of the purified water tank 10, and the discharge port 113 is connected to a discharge pipe 114. One end of the discharge pipe 114 is connected to the discharge port 113, and the other end is connected to the sewage pipe 108. A discharge manual ball valve 115 is provided on the discharge pipe 114.

[0050] The manual ball valve 115 for discharge adopts a manual ball valve in the prior art that can realize the function of the utility model. During maintenance, the surface raw water in the purified water tank 10 can be discharged by manually opening the manual ball valve 115 for discharge.

[0051] like Figure 3As shown, in order to facilitate the cleaning of the curtain membrane 201, extend the service life of the curtain membrane 201, and extend the maintenance time interval, this embodiment is modified on the basis of the above embodiment. The difference from the above embodiment is that it also includes a backwash water tank 50, and a backwash water outlet 500 is provided at one end of the backwash water tank 50. The backwash water outlet 500 is connected to the delivery pipe 207 through a backwash output pipe 501. A backwash manual ball valve 502, a backwash delivery pump 503, a backwash check valve 504 and a backwash electric ball valve 505 are provided on the backwash output pipe 501 in sequence.

[0052] The backwash manual ball valve 502, the backwash delivery pump 503, the backwash check valve 504 and the backwash electric ball valve 505 are respectively manual ball valves, water pumps, check valves and electric ball valves that can realize the functions of the utility model in the prior art. The backwash manual ball valve 502 is a normally open valve.

[0053] When in use, the backwash water in the backwash water tank 50 enters the backwash output pipe 501 through the backwash water outlet 500, then passes through the output of the backwash delivery pump 503, passes through the backwash check valve 504 and the backwash electric ball valve 505, and then enters the delivery pipe 207, and then enters the curtain membrane 201 in the purified water tank 10, and permeates from the inside of the hollow fiber membrane filaments 203 to the outside, thereby achieving the effect of cleaning the hollow fiber membrane filaments 203, which can effectively delay the use time of the hollow fiber membrane filaments 203 and extend the time interval for maintenance. The backwash check valve 504 is used to prevent diversion, and the backwash electric ball valve 505 is used to control the output of the backwash water.

[0054] In order to facilitate the automatic replenishment of backwash water, this embodiment is modified on the basis of the above embodiment. The difference from the above embodiment is that a backwash water replenishing port 506 is provided on the backwash water tank 50, and the backwash water replenishing port 506 is connected to the delivery pipe 207 through a backwash input pipe 507. A backwash water manual ball valve 508 and a backwash water electric ball valve 509 are provided on the backwash input pipe 507 in sequence.

[0055] The backwash water tank 50 is provided with a backwash water level sensor 51 , and the backwash water level sensor 51 is used to detect the liquid level of the backwash water in the backwash water tank 50 .

[0056] The backwash water level sensor 51 can be a level sensor in the prior art that can realize the function of the present utility model.

[0057] During use, when the backwash water level sensor 51 senses that the backwash water in the backwash water tank 50 is lower than a certain level, the backwash water electric ball valve 509 is opened so that clean water in the delivery pipe 207 can enter the backwash water tank 50 to replenish the backwash water.

[0058] like Figure 2As shown, in order to facilitate the working status of the detection device and the water quality of drinking water, this embodiment is modified on the basis of the above embodiment. The difference from the above embodiment is that an online turbidity detector 214, an electromagnetic flowmeter 215, a vacuum detection box 216, a mechanical pressure gauge 217, a delivery manual ball valve 218, a delivery electric ball valve 219 and an online residual chlorine detector 220 are sequentially provided on the delivery pipeline 207.

[0059] Among them, the online turbidity detector 214, the electromagnetic flowmeter 215, the vacuum detection box 216, the mechanical pressure gauge 217 and the online residual chlorine detector 220 can respectively adopt the online turbidity detector 214, the electromagnetic flowmeter 215, the vacuum detection box 216, the mechanical pressure gauge 217 and the online residual chlorine detector 220 in the prior art that can realize the functions of the utility model; the delivery manual ball valve 218 and the delivery electric ball valve 219 can adopt the manual ball valve and the electric ball valve in the prior art, among which the delivery manual ball valve 218 is a normally open valve.

[0060] When backwash water is replenished, the delivery electric ball valve 219 is in a closed state.

[0061] like Figure 2 As shown, in order to facilitate the inhibition of microorganisms in the clean water storage tank 30 and the microorganisms in the purified water tank 10, this embodiment is modified on the basis of the above embodiment. The difference from the above embodiment is that it also includes a dosing box 60, and the dosing box 60 is provided with a first dosing outlet 600 and a second dosing outlet 601. The first dosing outlet 600 is connected to the backwash output pipe 501 through a first dosing pipe 602, and the connection between the first dosing pipe 602 and the backwash output pipe 501 is located between the backwash delivery pump 503 and the backwash check valve 504. The first dosing pipe 602 is provided with a first dosing output pump 603, and the second dosing outlet 601 is connected to the delivery pipe 207 through the second dosing pipe 604. The connection between the second dosing pipe 604 and the delivery pipe 207 is located between the delivery electric ball valve 219 and the online residual chlorine detector 220, and the second dosing pipe 604 is provided with a second dosing output pump 605.

[0062] The dosing box 60 is used to store sodium hypochlorite solution. The first dosing output pump 603 and the second dosing output pump 605 can be output pumps in the prior art that can realize the functions of the utility model.

[0063] When in use, the chlorine content in the clean water in the delivery pipeline 207 can be monitored by the online residual chlorine detector 220, and then the drug is added according to the chlorine content, thereby effectively inhibiting the microorganisms in the clean water storage tank 30 and the microorganisms in the purified water tank 10. At the same time, the sodium hypochlorite solution can play a certain cleaning role in the hollow fiber membrane filament 203.

[0064] The surface water and raw surface water described in the present invention are both lightly polluted surface sewage, that is, lightly polluted surface water containing sediment, impurities and microorganisms.

[0065] Working principle of this utility model:

[0066] The utility model realizes the purification of surface water by setting a plurality of filter components 20. When in use, the surface water in the purified water tank 10 penetrates into the hollow fiber membrane filaments 203, and impurities, silt and microorganisms are blocked outside the hollow fiber membrane filaments 203. Then, the clean water entering the hollow fiber membrane filaments 203 enters the water collecting pipe 204, then enters the water collecting pipe 205, then enters the water conveying main pipe 206, then enters the conveying pipe 207, and finally enters the clean water tank for storage, thereby achieving the problem of purifying surface water; by setting an aeration pipe 202 under the curtain membrane 201, when in use, the outside air enters the air conveying pipe 212 through the blower 40, then enters the air conveying main pipe 211, then enters the air conveying branch pipe 210, then enters the aeration main pipe 209, and finally enters the aeration branch pipe 208 for spraying, thereby forming an upward airflow, which can produce a certain cleaning effect on the hollow fiber membrane filaments 203 through the upward airflow, and at the same time increase the oxygen content in the clean water, thereby improving the water quality.

[0067] The above-mentioned embodiments only express the specific implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.

Claims

1. A surface sewage purification system, characterized in that: The invention comprises a purified water tank (10), a plurality of filter assemblies (20), a clean water storage tank (30) and a blower (40); the plurality of filter assemblies (20) are cooperatively arranged in the purified water tank (10); the filter assemblies (20) comprise a mounting frame (200), a plurality of curtain membranes (201) and an aeration pipe (202); the plurality of curtain membranes (201) and the aeration pipe (202) are cooperatively arranged on the mounting frame (200), and the aeration pipe (202) is arranged below the plurality of curtain membranes (201); The curtain membrane (201) comprises a plurality of hollow fiber membrane threads (203) and a pair of water collecting pipes (204), the two ends of the plurality of hollow fiber membrane threads (203) are respectively connected to the pair of water collecting pipes (204), the pair of water collecting pipes (204) are respectively connected to the mounting frame (200), a water collecting pipe (205) is provided on one side of the mounting frame (200), one end of the water collecting pipes (204) in the plurality of curtain membranes (201) is connected to the water collecting pipe (205), a water supply pipe (206) is provided on the top of the purified water tank (10), one end of the water collecting pipe (205) in the plurality of filter assemblies (20) passes through the top of the purified water tank (10) and is connected to the water supply pipe (206), and one end of the water supply pipe (206) is connected to the clean water storage tank (30) through a delivery pipe (207); The aeration pipe (202) comprises a plurality of aeration branch pipes (208) and an aeration main pipe (209). The aeration branch pipe (208) is mounted on a mounting frame (200). One end of the aeration branch pipe (208) is connected to the aeration main pipe (209). A gas supply branch pipe (210) is provided on one side of the mounting frame (200). One end of the aeration main pipe (209) is connected to the gas supply branch pipe (210). A gas supply main pipe (211) is provided on the top of the purified water tank (10). One end of the gas supply branch pipes (210) in the plurality of filter assemblies (20) is connected to the gas supply main pipe (211). One end of the gas supply main pipe (211) is connected to a blower (40) via a gas supply pipeline (212).

2. A surface sewage purification system according to claim 1, characterized in that: A gas one-way valve (213) is provided on the gas transmission pipeline (212).

3. A surface sewage purification system according to claim 1, characterized in that: A raw water inlet (100) is provided at the lower end of one side of the purified water tank (10), and the raw water inlet (100) is connected to a raw water delivery pipe (101). One end of the raw water delivery pipe (101) is connected to the raw water inlet (100), and the other end can be connected to a raw water source (102). A raw water delivery pump (103), a raw water manual butterfly valve (104), a raw water electric butterfly valve (105) and a raw water check valve (106) are provided in sequence on the raw water delivery pipe (101).

4. A surface sewage purification system according to claim 1, characterized in that: A sewage outlet (107) is provided at the lower end of one side of the purified water tank (10), and the sewage outlet (107) is connected to a sewage pipe (108). One end of the sewage pipe (108) is connected to the sewage outlet (107), and the other end can be connected to an impurity discharge point. A sewage manual butterfly valve (109) and a sewage electric butterfly valve (110) are provided in sequence on the sewage pipe (108).

5. A surface sewage purification system according to claim 4, characterized in that: An overflow port (111) is provided at the upper end of one side of the purified water tank (10), and the overflow port (111) is connected to an overflow pipe (112). One end of the overflow pipe (112) is connected to the overflow port (111), and the other end is connected to the sewage pipe (108).

6. A surface sewage purification system according to claim 4, characterized in that: A discharge port (113) is provided at the bottom of the purified water tank (10), and the discharge port (113) is connected to a discharge pipe (114). One end of the discharge pipe (114) is connected to the discharge port (113), and the other end is connected to the sewage pipe (108). A discharge manual ball valve (115) is provided on the discharge pipe (114).

7. A surface sewage purification system according to claim 1, characterized in that: The invention also comprises a backwash water tank (50), one end of which is provided with a backwash water outlet (500), the backwash water outlet (500) is connected to the delivery pipeline (207) via a backwash output pipeline (501), and the backwash output pipeline (501) is provided with a backwash manual ball valve (502), a backwash delivery pump (503), a backwash check valve (504) and a backwash electric ball valve (505) in sequence.

8. A surface sewage purification system according to claim 7, characterized in that: The backwash water tank (50) is provided with a backwash water replenishment port (506), which is connected to the delivery pipe (207) via a backwash input pipe (507), and the backwash input pipe (507) is provided with a backwash water manual ball valve (508) and a backwash water electric ball valve (509) in sequence.

9. A surface sewage purification system according to claim 8, characterized in that: An online turbidity detector (214), an electromagnetic flowmeter (215), a vacuum detection box (216), a mechanical pressure gauge (217), a delivery manual ball valve (218), a delivery electric ball valve (219) and an online residual chlorine detector (220) are sequentially arranged on the delivery pipeline (207).

10. A surface sewage purification system according to claim 9, characterized in that: The invention also comprises a dosing box (60), wherein the dosing box (60) is provided with a first dosing outlet (600) and a second dosing outlet (601), wherein the first dosing outlet (600) is connected to the backwash output pipeline (501) via a first dosing pipe (602), and the connection between the first dosing pipe (602) and the backwash output pipeline (501) is located between the backwash delivery pump (503) and the backwash check valve (504), wherein the first dosing pipe (602) is provided with a first dosing output pump (603), and the second dosing outlet (601) is connected to the delivery pipeline (207) via a second dosing pipe (604), and the connection between the second dosing pipe (604) and the delivery pipeline (207) is located between the delivery electric ball valve (219) and the online residual chlorine detector (220), and the second dosing pipe (604) is provided with a second dosing output pump (605).

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