CN213388083U

CN213388083U - Industrial wastewater purification treatment device

Info

Publication number: CN213388083U
Application number: CN202021281960.7U
Authority: CN
Inventors: 林涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-06-08
Anticipated expiration: 2030-07-02

Abstract

A purification treatment device for industrial wastewater comprises an adjusting tank, a water inlet pipe, a medicament dissolving tank, a treatment medicament pipe, a flash mixer, a mixing pipe, a primary purification processor, a secondary purification processor and a water outlet pipe; the industrial wastewater in the regulating tank is pumped to a water inlet pipe through a submersible pump, and the medicament in the medicament dissolving tank is pumped to a treatment medicament pipe through a dosing metering pump; the inlet tube, handle the medicament pipe respectively with flash mixer connects and mix the entering hybrid tube through flash mixer, the hybrid tube communicates with the one-level water inlet of one-level purification processor bottom, the one-level delivery port at one-level purification processor top and second grade purification processor's second grade water inlet intercommunication. Industrial waste water's purification unit, structural design is reasonable, the operating efficiency is high, the controllability is nimble, the operation is stable, adopts the second grade mode of purifying, purifying effect is better, application prospect is extensive.

Description

Industrial wastewater purification treatment device

Technical Field

The utility model relates to a waste water purification treatment device technical field, concretely relates to industrial waste water's purification treatment device.

Background

Water is the most important resource on earth and also the source of life. In the 21 st century, along with rapid development of economy and rise of industrialization level, people have happy lives, human living environments are seriously damaged, and the problem of environmental pollution is increasingly serious. The existing fresh water resources are very limited, and particularly, a large amount of fresh water resources are required to be utilized to develop economy in economically developed areas. In a large number of regions with abundant coastal water resources in the eastern part, the electronic industrial park is built in a large number by utilizing geographical advantages, a large amount of industrial wastewater is discharged, the types and the quantity of chemical varieties used in industrial production in the region are increased, fresh water resources are polluted, and the environment is continuously worsened.

In order to treat industrial wastewater, a purification treatment device is a common and effective means, the development of industrial wastewater treatment in China is slow due to the restriction of economic conditions, and in recent years, the investment of China in the aspect of environmental management is increased year by year. At present, the purification treatment device for industrial wastewater in China has the problems of high energy consumption and high operating cost, and the actual purification effect cannot meet the design requirement, so in order to further improve the performance of the purification treatment device for industrial wastewater, the problems of poor purification effect and poor efficacy generated in the operation process of the purification treatment device need to be improved.

Chinese patent application No. CN201711207289.4 discloses a sewage purification treatment device, which is provided with a pressure reducing spring through the inside of the fixing base, and reduces pressure when the sewage purification treatment device generates large pressure, so that the pressure born by the fixing base is reduced, the service life of the device is prolonged, the replacement cost is saved, the device is not a purification treatment device designed for industrial wastewater, and the purification efficiency and the cost of the purification treatment device are not improved.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: in order to overcome the above not enough, the utility model aims at providing an industrial waste water's purification unit, structural design is reasonable, will coagulate, deposit, filter, deep purification collection in an organic whole, and filtration efficiency is high, purifying effect is good, and power consumption is low, and application prospect is extensive.

The technical scheme is as follows: a purification treatment device for industrial wastewater comprises an adjusting tank, a water inlet pipe, a medicament dissolving tank, a treatment medicament pipe, a flash mixer, a mixing pipe, a primary purification processor, a secondary purification processor and a water outlet pipe; the industrial wastewater in the regulating tank is pumped to a water inlet pipe through a submersible pump, and the medicament in the medicament dissolving tank is pumped to a treatment medicament pipe through a dosing metering pump; the inlet tube, handle the medicament pipe respectively with the flash mixer is connected and mix the entering hybrid tube through the flash mixer, the hybrid tube communicates with the one-level water inlet of one-level purification processor bottom, the one-level delivery port at one-level purification processor top and second grade purification processor's second grade water inlet intercommunication, second grade purification processor's second grade delivery port and outlet pipe intercommunication, outlet pipe and clean water basin intercommunication.

Industrial waste water's purification unit, adopt the second grade mode of purifying, industrial waste water in the equalizing basin is adjusting the back, industrial waste water in the inlet pipe and the coagulant of handling the medicament pipe are under flash mixer's effect, after the quick homogeneous mixing, get into one-level purification treater by the hybrid tube tangent line and carry out abundant coagulation, deposit, filtration, obtain preliminary purification, rethread second grade purification treater carries out deep purification, purifying effect is better.

Furthermore, foretell industrial waste water's purification unit, one-level purification unit includes the purifying tank, one-level water inlet, one-level delivery port set up respectively the bottom and the top of purifying tank.

Further, foretell industrial waste water's purification unit, the purifying tank has set gradually coagulation reaction zone, suspension district, floater filtering area from supreme down.

The coagulant in the coagulation reaction zone separates pollutants, chromaticity and the like of the industrial wastewater from the industrial wastewater, various colloidal particles and suspended particles in the industrial wastewater are coagulated into massive and compact flocs, the flocs sequentially pass through the suspended material zone and the floating ball filtering zone along with the upward flow of water flow, and the flocs are rapidly separated from water according to the hydromechanics principles such as rotational flow, filtering hydraulics and the like; the clear water filters after the fine and close suspended solid of self-formation in the purifying tank through the suspended solid district, passes through the floater filtering area, reaches tertiary level of handling, goes out the water and realizes the retrieval and utilization, and the suspended solid then falls back to highly concentrated in the coagulation reaction district, regularly leans on pressure to pass through the purifying tank blow off pipe and discharges. The whole process has high filtering efficiency and low power consumption, can maintain stable physical adsorption and electrochemical adsorption performance, and has stable purifying and filtering effects.

Further, in the purification treatment device for industrial wastewater, the coagulation reaction zone comprises a reaction chamber and an aggregate concentration chamber, and the aggregate concentration chamber is arranged outside the reaction chamber; the aggregate concentration cavity is of a hopper-shaped structure and is connected with a bypass circulating pipe arranged outside the purification tank; the upper part of the reaction cavity is in an inverted cone shape.

Because industrial waste water gets into the reaction chamber from purifying tank bottom rivers tangent line efflux, has formed the point vortex flow that has certain circulation intensity in the reaction chamber, and rivers drive the colloid particle rotation of industrial waste water and rise on the one hand, greatly increased the collision chance between the particle, the coagulation action can very abundant performance, and on the other hand forms the pressure drop that points to the suspension district according to point vortex flow principle, and under this pressure differential effect, alum blossom is to suspension district fast convergence.

The condensate concentration cavity is in a bucket shape, and supernatant in the condensate concentration cavity is forcibly discharged through a bypass circulating pipe on one side, so that the concentration condition of residual condensate is improved. At the upper part of the reaction cavity, alum blossom is formed and grows up gradually, at the moment, the water flow speed is slowed down gradually, so that the coagulated alum blossom is not broken up by the shearing force formed by the rapid flow, and the section of the reaction cavity is designed into an inverted cone shape which is gradually enlarged.

Furthermore, foretell industrial waste water's purification unit, the suspension district includes suspension chamber, a center section of thick bamboo, the suspension chamber sets up the center section of thick bamboo outside, the below symmetry of center section of thick bamboo sets up two blowdown sections.

The suspension layer in the suspension area is composed of the floc itself formed by pollutants, chromaticity and the like in the industrial wastewater and coagulating agent. The lower surface layer of the suspension layer is continuously increased and thickened along with the movement of the floc from bottom to top; meanwhile, the upper surface layer of the suspension layer is guided to continuously flow into the central barrel along with the bypass flow of the purification tank formed by the filtering hydrodynamics principle, and the upper surface layer is continuously reduced and thinned. In this way, the thickness of the suspension layer reaches a dynamic equilibrium. When the coagulated effluent passes through the suspension layer from bottom to top, the suspended colloid particles, flocs and other impurities are completely intercepted on the suspension layer by virtue of the physical adsorption and electrochemical characteristics of the interface and the action of Van der Waals force. In addition, the suspension layer also performs a flocculation action similar to activated sludge to achieve removal and degradation of dissolved organic matter. Two blowdown barrels are symmetrically arranged in the central barrel, so that the fallen compact suspension layer enters the aggregate concentration cavity through the central barrel, and the aggregate is further concentrated and separated.

Further, in the purification treatment device for industrial wastewater, a filter layer material is arranged in the floating ball filtering area; the floating ball filtering area is connected with a bypass circulation pipe arranged outside the purifying tank.

The water discharged from the suspension layer flows upwards around the central barrel, and the ascending flow can carry a small amount of flocs and micro particles in the suspension layer, and the purification effect and efficiency can be ensured only by effective separation.

Further, in the purification treatment device for industrial wastewater, the secondary purification processor includes a purifier housing, a pretreatment module, and a membrane module, and the pretreatment module and the membrane module are sequentially installed in the purifier housing from left to right.

Further, in the purification treatment device for industrial wastewater, the pretreatment component comprises a pretreatment water inlet pipe, a pretreatment tank, an activated carbon filter column, a pretreatment water outlet pipe and a water tank, the pretreatment water inlet pipe and the pretreatment water outlet pipe are respectively arranged at the top and the bottom of the pretreatment tank and communicated with the pretreatment tank, the activated carbon filter column is arranged in the pretreatment tank, the pretreatment water outlet pipe is communicated with the water tank, and the water tank is sequentially communicated with the membrane component through the membrane water inlet pipe; the membrane component comprises a tank body, an RO reverse osmosis membrane, a purified water outlet and a blow-off pipe; the top and the bottom of the tank body are respectively communicated with a membrane water inlet pipe and a sewage discharge pipe; RO reverse osmosis membrane detachable horizontal installation is in jar internal portion.

The active carbon filter column can adsorb and remove organic matters and turbidity in water, can also reduce the load of the RO reverse osmosis membrane, slow down the speed of blocking of the RO reverse osmosis membrane, prolong the service life of the membrane component and ensure that the membrane component can operate safely and stably for a long time. RO reverse osmosis membrane detachable horizontal installation is at jar internal portion, makes things convenient for the workman to open jar body and adjusts and maintain.

The utility model has the advantages that: industrial waste water's purification unit, structural design is reasonable, adopts the second grade purification mode, will coagulate, deposit, filter, deep purification collection in an organic whole, filtration efficiency is higher, purifying effect is better, power consumption is low, operating efficiency is high, the controllability is nimble, easy maintenance, long service life, application prospect is extensive.

Drawings

FIG. 1 is a schematic view of the overall structure of an apparatus for purifying and treating industrial wastewater according to the present invention;

FIG. 2 is a schematic structural view of a primary purification processor of the purification treatment device for industrial wastewater according to the present invention;

FIG. 3 is a schematic view of a connection structure of a secondary purification processor of the purification treatment device for industrial wastewater according to the present invention;

in the figure: the device comprises a regulating reservoir 1, a submersible pump 11, a water inlet pipe 2, a medicament dissolving tank 3, a dosing metering pump 31, a treatment medicament pipe 4, a flash mixer 5, a mixing pipe 6, a primary purification processor 7, a primary water inlet 71, a primary water outlet 72, a purification tank 73, a coagulation reaction zone 731, a reaction chamber 7311, an aggregate concentration chamber 7312, a bypass flow pipe 7313, a suspension zone 732, a suspension chamber 7321, a central cylinder 7322, a sewage cylinder 7323, a floating ball filtering zone 733, a secondary purification processor 8, a secondary water inlet 81, a secondary water outlet 82, a purifier shell 83, a pretreatment component 84, a pretreatment water inlet pipe 841, a pretreatment tank 842, an activated carbon filter column 843, a pretreatment water outlet pipe 844, a water tank 845, a membrane component 85, a membrane water inlet pipe 851, a tank body 852, a reverse osmosis membrane 853, a purified water outlet 854, a sewage outlet 855, a water outlet pipe 9, a clean water reservoir 10 and a purification.

Detailed Description

The present invention will be further elucidated with reference to the accompanying drawings 1 to 3 and the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The purification treatment device for industrial wastewater with the structure shown in fig. 1 comprises an adjusting tank 1, a water inlet pipe 2, a medicament dissolving tank 3, a treatment medicament pipe 4, a flash mixer 5, a mixing pipe 6, a primary purification processor 7, a secondary purification processor 8 and a water outlet pipe 9; a submersible pump 11 is arranged in the regulating tank 1, the industrial wastewater in the regulating tank 1 is conveyed to the water inlet pipe 2 through the submersible pump 11, and the medicament in the medicament dissolving tank 3 is conveyed to the treatment medicament pipe 4 through the dosing metering pump 31; inlet tube 2, processing medicament pipe 4 respectively with flash mixer 5 is connected and mixes through flash mixer 5 and gets into hybrid tube 6, hybrid tube 6 communicates with the one-level water inlet 71 of one-level purification processor 7 bottom, the one-level delivery port 72 at one-level purification processor 7 top and the second grade water inlet 81 of second grade purification processor 8 intercommunication, the second grade delivery port 82 and the outlet pipe 9 intercommunication of second grade purification processor 8, outlet pipe 9 and clean water basin 10 intercommunication.

In addition, the primary purification processor 7 comprises a purification tank 73, and the primary water inlet 71 and the primary water outlet 72 are respectively arranged at the bottom and the top of the purification tank 73.

Further, as shown in fig. 2, the purification tank 73 is provided with a coagulation reaction region 731, a suspension region 732, and a float filtering region 733 in this order from bottom to top.

In addition, the coagulation reaction zone 731 includes a reaction chamber 7311, an aggregate concentration chamber 7312, and the aggregate concentration chamber 7312 is disposed outside the reaction chamber 7311; the aggregate concentration chamber 7312 has a hopper-shaped structure, and the aggregate concentration chamber 7312 is connected to a bypass flow pipe 7313 disposed outside the purification tank 73; the upper portion of the reaction chamber 7311 is in the shape of an inverted cone.

Further, the suspension area 732 includes a suspension chamber 7321 and a central cylinder 7322, the suspension chamber 7321 is disposed outside the central cylinder 7322, and two drainage cylinders 7323 are symmetrically disposed below the central cylinder 7322.

Further, a filter layer material is arranged in the floating ball filtering area 733; the float filtering region 733 is connected to a bypass flow pipe 7313 provided outside the purification tank 73.

Further, as shown in fig. 3, the secondary purification processor 8 includes a purifier housing 83, a pretreatment module 84, and a membrane module 85, and the pretreatment module 84 and the membrane module 85 are installed in the purifier housing 83 from left to right in sequence.

Further, the pretreatment module 84 comprises a pretreatment water inlet pipe 841, a pretreatment tank 842, an activated carbon filter column 843, a pretreatment water outlet pipe 844 and a water tank 845, wherein the pretreatment water inlet pipe 841 and the pretreatment water outlet pipe 844 are respectively arranged at the top and the bottom of the pretreatment tank 842 and are communicated with the pretreatment tank 842, the activated carbon filter column 843 is arranged inside the pretreatment tank 842, the pretreatment water outlet pipe 844 is communicated with the water tank 845, and the water tank 845 is sequentially communicated with the membrane module 85 through the membrane water inlet pipe 851; the membrane component 85 comprises a tank 852, an RO reverse osmosis membrane 853, a purified water outlet 854 and a drain 855; the top and the bottom of the tank 852 are respectively communicated with a membrane water inlet pipe 851 and a sewage drain pipe 855; the RO reverse osmosis membrane 853 is detachably and horizontally mounted inside the tank 852.

Examples

Based on the above structural basis, as shown in fig. 1-3.

Industrial waste water's purification unit, structural design is reasonable, adopt the second grade mode of purification, industrial waste water in the equalizing basin 1 is adjusting the back, industrial waste water in the inlet tube 2 and the coagulant of handling medicament pipe 4 are under flash mixer 5's effect, after the quick homogeneous mixing, get into one-level purification processor 7 by 6 tangent lines of hybrid tube and carry out abundant coagulation, deposit, filter, obtain preliminary purification, rethread second grade purification processor 8 carries out deep purification, to coagulate, deposit, filter, deep purification collects in an organic whole, filtration efficiency is higher, purifying effect is better, low power consumption, high operating efficiency, the controllability is nimble, easy maintenance, long service life, application prospect is extensive.

Further, in order to improve the filtering and purifying effect of the primary purifying processor 7, the coagulant in the coagulation reaction zone 731 of the primary purifying processor 7 separates the pollutants, chromaticity and the like of the industrial wastewater from the industrial wastewater, various colloidal particles and suspended particles in the industrial wastewater are coagulated into large compact flocs, and the large compact flocs pass through the suspended substance zone 732 and the floating ball filtering zone 733 along with the upward flow of the water flow, so that the flocs are rapidly separated from the water according to the hydrodynamic principles such as rotational flow, filtering hydraulics and the like; the clear water passes through the compact suspended solid that self-formed in the purifying tank 73, after suspension district 732 filters, through floater filter area 733, reaches the level of tertiary treatment, goes out the water and realizes the retrieval and utilization, and the suspended solid then falls back to highly concentrated in the coagulation reaction district 731, relies on the pressure to discharge through purifying tank blow off pipe a regularly. The whole process has high filtering efficiency and low power consumption, can maintain stable physical adsorption and electrochemical adsorption performance, and has stable purifying and filtering effects.

Further, as the industrial wastewater enters the reaction cavity 7311 from the water flow tangential jet flow at the bottom of the purification tank 73, point vortex flow with certain circulation strength is formed in the reaction cavity 6311, on one hand, the water flow drives colloidal particles of the industrial wastewater to rotate and rise, so that the collision chance between particles is greatly increased, the coagulation effect can be fully exerted, on the other hand, a pressure drop pointing to the suspension object area 632 is formed according to the point vortex flow principle, and under the action of the pressure difference, alum blossom is quickly collected to the suspension object area.

The aggregate concentration chamber 7312 is formed in a funnel shape, and the supernatant in the aggregate concentration chamber 7312 is forcibly discharged through a bypass flow pipe 7313 at one side, thereby improving the concentration condition of the remaining aggregate. At the upper part of the reaction chamber 7311, alum flocs are formed and gradually grow, and at this time, the water flow speed is gradually slowed down so as to prevent the aggregate alum flocs from being broken up by the shearing force formed by the rapid flow, so that the cross section of the reaction chamber 7311 is designed into an inverted cone shape which gradually enlarges.

Further, the suspension layer of the suspension area 732 is composed of the floc itself formed by the contaminants, color, etc. in the industrial wastewater and the coagulant. The lower surface layer of the suspension layer is continuously increased and thickened along with the movement of the floc from bottom to top; meanwhile, the upper layer of the suspension layer is guided to continuously flow into the central barrel along with the bypass flow of the purification tank 73 formed by the filtering hydrodynamics principle, and the upper layer is continuously reduced and thinned. In this way, the thickness of the suspension layer reaches a dynamic equilibrium. When the coagulated effluent passes through the suspension layer from bottom to top, the suspended colloid particles, flocs and other impurities are completely intercepted on the suspension layer by virtue of the physical adsorption and electrochemical characteristics of the interface and the action of Van der Waals force. In addition, the suspension layer also performs a flocculation action similar to activated sludge to achieve removal and degradation of dissolved organic matter. Two drainage barrels 7323 are symmetrically disposed in the central barrel 7322, so that the fallen dense suspension layer enters the condensate concentration chamber 7312 through the central barrel 7322, and further concentrates and separates the condensate.

Further, the effluent passing through the suspension layer flows upwards around the central barrel 7322, and this ascending flow carries a small amount of flocs and fine particles in the suspension layer, and the purification effect and efficiency must be effectively separated, so that the floating ball filtering area 733 is disposed on the suspension layer, and the filtering layer material disposed in the floating ball filtering area 733 can form an ideal bypass flow according to the filtering hydromechanical principle, thereby introducing the suspension layer into the aggregate concentration chamber 7312 through the central barrel 7322.

Further, the activated carbon filter column 843 of the secondary purification processor 8 can adsorb and remove organic matters and turbidity in water, reduce the load of the RO reverse osmosis membrane 853, slow down the blocking speed of the RO reverse osmosis membrane 853, prolong the service life of the membrane module 85, and ensure that the membrane module 85 can operate safely and stably for a long time. RO reverse osmosis membrane 853 detachable horizontal installation is inside jar body 852, makes things convenient for the workman to open jar body 852 and adjusts and maintain.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.

In addition, the embodiments of the present invention can be arbitrarily combined with each other, and the same shall be regarded as the disclosure of the present invention as long as the idea of the present invention is not violated.

Claims

1. The purification treatment device for industrial wastewater is characterized by comprising a regulating tank (1), a water inlet pipe (2), a medicament dissolving tank (3), a treatment medicament pipe (4), a flash mixer (5), a mixing pipe (6), a primary purification processor (7), a secondary purification processor (8) and a water outlet pipe (9); a submersible pump (11) is arranged in the regulating tank (1), industrial wastewater in the regulating tank (1) is conveyed to the water inlet pipe (2) through the submersible pump (11), and a medicament in the medicament dissolving tank (3) is conveyed to the medicament treatment pipe (4) through the medicament adding metering pump (31); inlet tube (2), processing medicament pipe (4) respectively with flash mixer (5) are connected and are mixed through flash mixer (5) and get into hybrid tube (6), hybrid tube (6) and one-level water inlet (71) intercommunication of one-level purification unit (7) bottom, one-level delivery port (72) at one-level purification unit (7) top and second grade water inlet (81) intercommunication of second grade purification unit (8), second grade delivery port (82) and outlet pipe (9) intercommunication of second grade purification unit (8), outlet pipe (9) and clean water basin (10) intercommunication.

2. The industrial wastewater purification treatment device according to claim 1, wherein the primary purification processor (7) comprises a purification tank (73), and the primary water inlet (71) and the primary water outlet (72) are respectively arranged at the bottom and the top of the purification tank (73).

3. The apparatus for purifying industrial wastewater according to claim 2, wherein the purification tank (73) is provided with a coagulation reaction zone (731), a suspension zone (732), and a floating ball filtration zone (733) in this order from bottom to top.

4. The purification treatment apparatus for industrial wastewater according to claim 3, wherein the coagulation reaction zone (731) comprises a reaction chamber (7311), an aggregate concentration chamber (7312), the aggregate concentration chamber (7312) being disposed outside the reaction chamber (7311); the aggregate concentration cavity (7312) is of a hopper-shaped structure, and the aggregate concentration cavity (7312) is connected with a bypass flow pipe (7313) arranged outside the purification tank (73); the upper part of the reaction chamber (7311) is in an inverted cone shape.

5. The industrial wastewater purification treatment device according to claim 3, wherein the suspension area (732) comprises a suspension chamber (7321), a central cylinder (7322), the suspension chamber (7321) is disposed outside the central cylinder (7322), and two drainage cylinders (7323) are symmetrically disposed below the central cylinder (7322).

6. The industrial wastewater purification treatment device according to claim 3, wherein a filter layer material is arranged in the floating ball filtering area (733); the floating ball filtering area (733) is connected with a bypass flow pipe (7313) arranged outside the purifying tank (73).

7. The industrial wastewater purification treatment device according to claim 1, wherein the secondary purification processor (8) comprises a purifier housing (83), a pretreatment module (84) and a membrane module (85), and the pretreatment module (84) and the membrane module (85) are sequentially installed in the purifier housing (83) from left to right.

8. The industrial wastewater purification treatment device according to claim 7, wherein the pretreatment module (84) comprises a pretreatment water inlet pipe (841), a pretreatment tank (842), an activated carbon filter column (843), a pretreatment water outlet pipe (844) and a water tank (845), the pretreatment water inlet pipe (841) and the pretreatment water outlet pipe (844) are respectively arranged at the top and the bottom of the pretreatment tank (842) and are communicated with the pretreatment tank (842), the activated carbon filter column (843) is arranged inside the pretreatment tank (842), the pretreatment water outlet pipe (844) is communicated with the water tank (845), and the water tank (845) is sequentially communicated with the membrane module (85) through a membrane water inlet pipe (851); the membrane component (85) comprises a tank body (852), an RO reverse osmosis membrane (853), a purified water outlet (854) and a drain pipe (855); the top and the bottom of the tank body (852) are respectively communicated with a membrane water inlet pipe (851) and a sewage discharge pipe (855); RO reverse osmosis membrane (853) detachable horizontal installation is inside jar body (852).