CN210261236U

CN210261236U - Sewage treatment filters lamina membranacea

Info

Publication number: CN210261236U
Application number: CN201921117792.5U
Authority: CN
Inventors: 余京儒; 熊礼超
Original assignee: Sichuan Runxing Environmental Protection Technology Co ltd
Current assignee: Sichuan Runxing Environmental Protection Technology Co ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-04-07
Anticipated expiration: 2029-07-16

Abstract

The utility model provides a sewage treatment filtering membrane plate, which relates to the technical field of wastewater treatment equipment and comprises a steel frame and membranes which are detachably and hermetically connected with the two ends of the steel frame, wherein the membranes at the two ends and the steel frame surround an inner cavity; a cleaning connecting pipe penetrating through the diaphragms at the two ends is fixed in the middle of the steel frame, and the inner cavity is sealed and separated from the cleaning connecting pipe; the diaphragm comprises a microporous filter membrane, a protection filter screen attached to one side of the microporous filter membrane, which is far away from the inner cavity, and a guide plate fixed on the edge of the protection filter screen, wherein the end face of the guide plate is higher than the end face of the protection filter screen. The problem of among the current sewage treatment device the filtration membrane live time need frequently change for a short time is solved.

Description

Sewage treatment filters lamina membranacea

Technical Field

The utility model relates to a waste water treatment equipment technical field especially relates to a sewage treatment filters diaphragm plate.

Background

The sewage treatment refers to that the municipal sewage and the industrial sewage are treated by sewage treatment equipment and then are used for non-drinking purposes such as greening, flushing, ornamental water body supplementing and the like, and the clean water is used for drinking and other purposes with high water quality requirements, so that the purpose of saving water resources is achieved.

A filtering membrane is generally included in a sewage treatment apparatus, and substances harmful to human health, such as hardness, heavy metal ions, bacteria, viruses, chemicals, toxins, etc., in water are removed by passing the water through the filtering membrane. Only water molecules in the raw water are reserved for drinking, and other water molecules including bacteria, viruses, pollutants, water scales and the like are changed into concentrated water to be discharged. However, the filtering membrane for filtering sewage in the prior art is usually to spread and fix the filtering membrane on a stainless steel frame, and fix the steel frame on a filtering channel in the sewage treatment equipment, so that sewage flows from one side of the filtering membrane to the other side, impurities are filtered by the filtering membrane, water flows through the filtering holes of the filtering membrane, the filtering holes are blocked after long-time use, the filtering effect of the filtering membrane is influenced, the filtering efficiency is reduced, the filtering membrane needs to be replaced in time, and the cost of sewage treatment is increased.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem among the prior art, the utility model provides a sewage treatment filters diaphragm plate has solved the problem that the filtration membrane live time among the current sewage treatment device need frequently to be changed for a short time.

In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows:

the utility model provides a sewage treatment filters diaphragm plate, it includes the steelframe and can dismantle the diaphragm of sealing connection in steelframe both ends, and the diaphragm of both ends encloses with the steelframe and encloses into the inner chamber, is provided with the delivery port and the back flush mouth of intercommunication inner chamber on the steelframe, and delivery port and back flush mouth are connected on outlet pipe and back flush pipe through quick connector respectively. The middle part of the steel frame is fixed with a cleaning connecting pipe which runs through the diaphragms at the two ends, and the inner cavity is sealed and separated from the cleaning connecting pipe.

The diaphragm comprises a microporous filter membrane, a protection filter screen attached to one side of the microporous filter membrane, which is far away from the inner cavity, and a guide plate fixed on the edge of the protection filter screen, wherein the end face of the guide plate is higher than the end face of the protection filter screen.

Further, a handle is fixed at the top end of the steel frame. The carrying of the filtering membrane plate is convenient to carry through the lifting handle, and convenience is improved.

Furthermore, the microporous filter membrane is formed by weaving stainless steel wires, and the aperture is 0.1-2 microns.

Furthermore, the protective filter screen is a stainless steel filter screen with the aperture between 100 and 150 microns. Through the large granule impurity of protection filter screen filtration in the sewage, prevent the impact effect of large granule impurity to the higher microporous membrane of cost, improve microporous membrane's life.

Furthermore, the microporous filter membrane, the protective filter screen and the guide plate are sintered into a whole, and the guide plate is uniformly provided with through connecting holes. The diaphragm is overall structure, installs the both ends of steelframe with the diaphragm through the connecting hole on the guide plate, makes things convenient for the installation and the dismantlement of diaphragm, improves the convertibility of diaphragm.

Further, wash the connecting pipe including with the steelframe through first rib fixed connection's interior fender pipe to and the axle sleeve pipe of pegging graft in interior fender pipe and through second rib and interior fender pipe fixed connection in the clearance. The rotating shaft of the membrane cleaning brush can pass through the shaft sleeve, and the cleanability of the outer side surface of the membrane is improved.

Furthermore, the quick connector comprises a socket fixedly connected to the steel frame and a plug connected with the socket in an inserting mode, a clamping ring is fixed in an inner hole of the socket, a sealing ring is sleeved on the plug, and the plug is inserted into the socket and fixed through the clamping ring.

Furthermore, the snap ring is a regular hexagon ring formed by splicing six connecting long rods end to end in sequence, the joints of the adjacent connecting long rods are connected through short arc rods in a smooth mode, the joints of the two adjacent connecting long rods are disconnected to form broken ends, the outer side faces of the short arc rods are abutted to the inner ring grooves formed in the inner hole of the socket, and the inner side faces of the connecting long rods are abutted to the outer ring grooves formed in the outer cylindrical face of the plug. The shape of snap ring is regular hexagon and is convenient for calculate the difference between its maximum external diameter and minimum internal diameter, makes things convenient for the design and processing of outer annular groove and inner ring groove, easily controls the processing effect, guarantees the joint effect of snap ring.

Furthermore, the plug is provided with a guide inclined plane for the clamping ring to slide into the outer ring groove, and the diameter of the small-diameter end of the guide inclined plane is smaller than the minimum inscribed circle of the clamping ring, so that the plug can smoothly penetrate through the clamping ring when being inserted into the socket, and the clamping ring and the guide inclined plane are in contact and slide into the outer ring groove.

The utility model has the advantages that: the diaphragm through steelframe and both ends makes the inside sealed inner chamber that forms of this diaphragm, and connect outlet pipe and backwash pipe through quick connector on the inner chamber, pass the diaphragm through the outside of both ends diaphragm and enter into the inner chamber and flow from the outlet pipe through connecting the suction pump on outlet pipe, impurity is kept off in the outside by the diaphragm, jam to the diaphragm is blockked up from the diaphragm outside to the inboard, through connect flushing device water injection or pour into compressed air and reverse away from the diaphragm in to the inner chamber on backwash pipe, reach the purpose of wasing the diaphragm, the live time of extension diaphragm, reduce the number of times of changing the diaphragm, the reuse rate of improvement diaphragm, the treatment cost of sewage has been reduced, be favorable to improving the feature of environmental protection, the diaphragm that is favorable to improving environmental protection, and the water pump is used

Can supply the pivot of diaphragm cleaning brush to pass through washing the connecting pipe for this filters the diaphragm and can regularly place and scrub the lateral surface of diaphragm in diaphragm cleaning equipment, perhaps with diaphragm cleaning brush direct mount in the sewage treatment device who uses this filtration diaphragm, regularly open the diaphragm cleaning brush and scrub the lateral surface of diaphragm, improve the filter effect of diaphragm.

Drawings

FIG. 1 is a schematic structural view of a sewage treatment filtering membrane plate.

Fig. 2 is a longitudinal section of the membrane.

Fig. 3 is an axial cross-sectional view of the quick connector.

Fig. 4 is a schematic structural view of the snap ring.

Wherein, 1, steel frame; 11. a water outlet; 12. a back flushing port; 2. a membrane; 21. a microporous filtration membrane; 22. protecting the filter screen; 23. a baffle; 231. connecting holes; 3. a quick connector; 31. a socket; 311. an inner ring groove; 32. a plug; 321. an outer ring groove; 322. a guide slope; 33. a snap ring; 331. connecting a long rod; 332. a short arc rod; 333. end breaking; 34. a seal ring; 4. cleaning the connecting pipe; 41. a first rib; 42. an inner baffle pipe; 43. a second rib; 44. a shaft sleeve; 5. a handle.

Detailed Description

The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes will be apparent to those skilled in the art as long as they are within the spirit and scope of the present invention as defined and defined by the appended claims, and all inventions contemplated by the present invention are protected.

As shown in figure 1, the sewage treatment filtering membrane plate comprises a rectangular steel frame 1 and membranes 2 which are detachably and hermetically connected to two ends of the steel frame 1, wherein the membranes 2 at the two ends and the steel frame 1 surround an inner cavity. The middle part of steelframe 1 is fixed with the washing connecting pipe 4 that runs through both ends diaphragm 2, and the inner chamber is sealed with washing connecting pipe 4 and is separated. As shown in fig. 2, the cleaning connection pipe 4 includes an inner baffle pipe 42 fixedly connected to the steel frame 1 through a first rib 41, and a shaft sleeve 44 inserted into the inner baffle pipe 42 at a gap and fixedly connected to the inner baffle pipe 42 through a second rib 43. A handle 5 is fixed at the top end of the steel frame 1.

As shown in fig. 1, a water outlet 11 and a back flush port 12 which are communicated with the inner cavity are arranged on the steel frame 1, and the water outlet 11 and the back flush port 12 are respectively connected to a water outlet pipe and a back flush pipe through a quick connector 3. As shown in fig. 3, the quick connector 3 includes a socket 31 fixedly connected to the steel frame 1 and a plug 32 inserted into the socket, a snap ring 33 is fixed in an inner hole of the socket 31, a seal ring 34 is sleeved on the plug 32, and the plug 32 is inserted into the socket 31 and fixed by the snap ring 33.

As shown in fig. 4, the snap ring 33 is a regular hexagonal ring formed by splicing six long connecting rods 331 end to end in sequence, the joints of the adjacent long connecting rods 331 are connected smoothly by short arc rods 332, wherein the joints of two adjacent long connecting rods 331 are disconnected to form broken ends 333, the outer side surfaces of the short arc rods 332 abut against the inner annular groove 311 arranged on the inner hole of the socket 31, and the inner side surfaces of the long connecting rods 331 abut against the outer annular groove 321 arranged on the outer cylindrical surface of the plug 32. The plug 32 is provided with a guide slope 322 for sliding the snap ring 33 into the outer ring groove 321, and the diameter of the small-diameter end of the guide slope 322 is smaller than the minimum inscribed circle of the snap ring 33.

As shown in fig. 1, the membrane 2 includes a microporous filter membrane 21, a protective filter screen 22 attached to one side of the microporous filter membrane 21 away from the inner cavity, and a deflector 23 fixed to an edge of the protective filter screen 22, wherein an end surface of the deflector 23 is higher than an end surface of the protective filter screen 22. The microporous filter membrane 21 is formed by weaving stainless steel wires, and the aperture is 0.1-2 microns. In the prior art, pores having a pore diameter of 0.1 to 10 μm are generally called micropores. The protective filter 22 is a stainless steel filter with a pore size of 100-150 μm. The microporous filter membrane 21, the protective filter screen 22 and the guide plate 23 are sintered into a whole, the guide plate 23 is uniformly provided with through connecting holes 231, and the connecting holes 231 are used for bolts to pass through so as to fix the membrane on the steel frame 1.

Install this filtration lamina membranacea and replace current filtration membrane on the sewage treatment device among the prior art, because water is through the suction effect of the suction pump who connects on the outlet pipe, produce the negative pressure in making the inner chamber, make sewage have to enter into the inner chamber through the diaphragm, sewage flows down in order to handle the link from the delivery port after the diaphragm filters, compares traditional sewage and directly passes through filtration membrane, has reduced this filtration lamina membranacea and has installed the leakproofness requirement of department when installing in sewage treatment device. After the filtering membrane plate is used for a period of time, the water outlet is closed, the back flushing port is opened, water is injected into the inner cavity or compressed air is injected into the inner cavity to reversely flush the membrane, impurities blocking the membrane are flushed away, the filtering effect of the membrane is improved, the service time of the membrane is prolonged, and the sewage treatment cost is reduced.

Claims

1. A sewage treatment filtering membrane plate is characterized by comprising a steel frame (1) and membranes (2) detachably and hermetically connected to two ends of the steel frame (1), wherein the membranes (2) at the two ends and the steel frame (1) surround an inner cavity, a water outlet (11) and a back flushing port (12) which are communicated with the inner cavity are arranged on the steel frame (1), and the water outlet (11) and the back flushing port (12) are respectively connected to a water outlet pipe and a back flushing pipe through a quick connector (3); a cleaning connecting pipe (4) penetrating through the diaphragms (2) at two ends is fixed in the middle of the steel frame (1), and the inner cavity is sealed and separated from the cleaning connecting pipe (4);

diaphragm (2) include microporous filter membrane (21) and attached in microporous filter membrane (21) keep away from protection filter screen (22) of inner chamber one side, and be fixed in guide plate (23) at protection filter screen (22) edge, the terminal surface of guide plate (23) is higher than the terminal surface of protection filter screen (22).

2. The sewage treatment filtering membrane plate according to claim 1, wherein a handle (5) is fixed at the top end of the steel frame (1).

3. The sewage treatment filtering membrane plate according to claim 1, wherein the microporous filtering membrane (21) is formed by weaving stainless steel wires, and the pore diameter is 0.1-2 microns.

4. The sewage treatment filtering membrane plate according to claim 1 or 3, wherein the protective filtering net (22) is a stainless steel filtering net with a pore size of 100-150 microns.

5. The sewage treatment filtering membrane plate according to claim 1, wherein the microporous filtering membrane (21), the protective filtering net (22) and the flow guide plate (23) are sintered into a whole, and the flow guide plate (23) is uniformly provided with through connecting holes (231).

6. The membrane according to claim 1, wherein the cleaning connection pipe (4) comprises an inner baffle pipe (42) fixedly connected with the steel frame (1) through a first rib (41), and a shaft sleeve (44) inserted in the inner baffle pipe (42) with a gap and fixedly connected with the inner baffle pipe (42) through a second rib (43).

7. The sewage treatment filtering membrane plate according to claim 1, wherein the quick connector (3) comprises a socket (31) fixedly connected to a steel frame (1) and a plug (32) connected with the socket in an inserting manner, a snap ring (33) is fixed in an inner hole of the socket (31), a sealing ring (34) is sleeved on the plug (32), and the plug (32) is inserted into the socket (31) and fixed through the snap ring (33).

8. The sewage treatment filtering membrane plate according to claim 7, wherein the snap ring (33) is a regular hexagonal ring formed by splicing six long connecting rods (331) end to end in sequence, the joints of the adjacent long connecting rods (331) are smoothly connected through short arc rods (332), the joint of two adjacent long connecting rods (331) is broken to form a broken end (333), the outer side surface of each short arc rod (332) abuts against an inner annular groove (311) formed in the inner hole of the socket (31), and the inner side surface of each long connecting rod (331) abuts against an outer annular groove (321) formed in the outer cylindrical surface of the plug (32).

9. The membrane according to claim 8, wherein the plug (32) is provided with a guide slope (322) for the snap ring (33) to slide into the outer annular groove (321), and the diameter of the small diameter end of the guide slope (322) is smaller than the smallest inscribed circle of the snap ring (33).