CN210251531U

CN210251531U - Sewage filtering equipment

Info

Publication number: CN210251531U
Application number: CN201921128195.2U
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 filtration equipment relates to sewage treatment device technical field, and it includes the box, and the box internal fixation has filtering component, and filtering component's bottom is provided with the sedimentation tank, is provided with water inlet and delivery port on the box, and the delivery port sets up in the bottom of sedimentation tank. The filtering component comprises a support fixed on the box body, a plurality of membrane plate fixing frames are fixed on the support side by side, a filtering membrane plate is inserted into each membrane plate fixing frame, a cleaning brush is arranged between every two adjacent filtering membrane plates, the cleaning brushes are fixedly sleeved on the rotating shaft, and the rotating shaft is connected to the driving motor through a chain transmission mechanism. A water purification cavity is formed in the filtering membrane plate in a surrounding way through a filtering membrane, and a water outlet pipe of the water purification cavity is connected with a suction device and a back washing device through a three-way valve. The filtering membrane is cleaned regularly through the cleaning brush and the backwashing device, and the problem that the filtering membrane in the sewage filtering equipment is easy to block in the prior art is solved.

Description

Sewage filtering equipment

Technical Field

The utility model relates to a sewage treatment device technical field especially relates to a sewage filtration equipment.

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.

The adoption of the filtering membrane to physically filter impurities in sewage is an important link in sewage treatment equipment, but because the impurities in the sewage are of various types and large in quantity, the filtering membrane is easy to block, the filtering effect is reduced, the filtering membrane needs to be frequently replaced, the cost is increased, and the filtering efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem among the prior art, the utility model provides a sewage filtration equipment has solved the problem that the filtration membrane among the sewage filtration equipment among the prior art easily blockked up.

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 filtering equipment, it includes the box, is fixed with filtering component in the box, and filtering component's bottom is provided with the sedimentation tank, is provided with water inlet and delivery port on the box, and the delivery port sets up in the bottom of sedimentation tank. The filtering component comprises a support fixed on the box body, a plurality of membrane plate fixing frames are fixed on the support side by side, a filtering membrane plate is inserted into each membrane plate fixing frame, a cleaning brush is arranged between every two adjacent filtering membrane plates, the cleaning brushes are fixedly sleeved on the rotating shaft, and the rotating shaft is connected to the driving motor through a chain transmission mechanism. A water purification cavity is formed in the filtering membrane plate in a surrounding way through a filtering membrane, and a water outlet pipe of the water purification cavity is connected with a suction device and a back washing device through a three-way valve.

Furthermore, the two sides of the sedimentation tank are fixedly provided with inclined plates for collecting impurities, and the impurities brushed by the cleaning brush and washed by the backwashing device are collected to the bottom of the sedimentation tank through the inclined plates, so that the impurities can be conveniently cleaned and discharged through the water outlet.

Furthermore, a valve is arranged on the water outlet, so that the opening and closing of the water outlet can be controlled.

Furthermore, the pumping device comprises a variable-frequency pumping pump and a flow meter arranged between the variable-frequency pumping pump and the three-way valve, and the flow meter and the variable-frequency pumping pump are respectively and electrically connected to the controller. The working frequency of the suction pump can always correspond to the water flow through the controller, so that energy loss is avoided, and the blockage of the filtering membrane is increased due to overlarge suction force.

Furthermore, the back washing device is a high-pressure fan connected with a three-way valve pipeline.

Furthermore, the three-way valve is an electric control three-way valve, the water outlet pipe is connected to an inlet of the three-way valve, the suction device is connected to a first outlet of the three-way valve, and the backwashing device is connected to a second outlet of the three-way valve.

Further, the driving motor, the suction device and the backwashing device are arranged on the top plate of the box body.

Further, the cleaning brush is including fixed cup joint in the epaxial axle sleeve of pivot, and the equipartition has three brush fixed plate on the axle sleeve circumference, is fixed with the gusset between the adjacent brush fixed plate, demountable installation has the bar brush on the brush fixed plate.

Further, strip-shaped brushes are symmetrically arranged on the two sides of the brush fixing plate along the axial direction of the rotating shaft. The cleaning brush is rotatory under the drive of pivot, and the bar brush of both sides can scrub adjacent filtration membrane that the lamina membranacea is relative simultaneously, improves and scrubs efficiency.

Furthermore, the box body is fixed on the support frame, and the support frame is provided with a strip-shaped mounting hole. The box body can be adjusted, installed and fixed conveniently through the strip-shaped mounting hole.

The utility model has the advantages that: the suction device is used for generating negative pressure in the water purification cavity, sewage in the box body passes through the filtering membrane to enter the water purification cavity under the action of the negative pressure, and impurities are blocked by the filtering membrane to achieve the effect of purifying the sewage; the box body is internally and parallelly fixed with a plurality of filtering membrane plates, so that the filtering efficiency of sewage is improved, and the filtering membrane plates are provided with cleaning brushes which can regularly brush the filtering membrane in the filtering working process of the filtering membrane plates, so that the filtering holes in the filtering membrane are prevented from being blocked by impurities to influence the filtering effect; the back flush device can outwards wash filtration membrane from water purification intracavity side, makes the joint on the filtration pore and can not washed stubborn impurity that falls by the cleaning brush by the wash out, has further improved filtration membrane's cleanliness factor, has guaranteed filtration membrane to the filter effect of sewage, has improved filtration efficiency.

Drawings

Fig. 1 is a schematic structural view of a sewage filtering apparatus.

Fig. 2 is a schematic view of the filter assembly of fig. 1.

01, a filter component; 1. a box body; 11. a sedimentation tank; 111. a sloping plate; 12. a water inlet; 13. a water outlet; 2. a support; 21. a column; 22. a first cross pipe frame; 23. a second horizontal pipe frame; 24. reinforcing ribs; 3. a diaphragm fixing frame; 31. a card slot; 4. filtering the membrane plate; 41. a steel frame; 42. a filtration membrane; 5. a cleaning brush; 51. a shaft sleeve; 52. a brush fixing plate; 53. a strip-shaped brush; 54. a rib plate; 6. a rotating shaft; 61. a bearing seat; 7. a chain transmission mechanism; 8. a drive motor; 9. a three-way valve; 91. a flow meter; 92. a variable frequency suction pump; 93. a high pressure fan; 10. a support frame; 101. a strip-shaped mounting hole.

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 filtering device comprises a box body 1, a filtering component 01 is fixed in the box body 1, a sedimentation tank 11 is arranged at the bottom of the filtering component 01, a water inlet 12 and a water outlet 13 are arranged on the box body 1, and the water outlet 13 is arranged at the bottom of the sedimentation tank 11. Inclined plates 111 for collecting impurities are fixed on both sides of the sedimentation tank 11. A valve is arranged on the water outlet 13. The box body 1 is fixed on a support frame 10, and a strip-shaped mounting hole 101 is formed in the support frame 10.

As shown in fig. 2, the filtering assembly 01 includes a bracket 2 fixed on the box body 1, a plurality of membrane plate fixing frames 3 are fixed on the bracket 2 side by side, a filtering membrane plate 4 is inserted into each membrane plate fixing frame 3, a cleaning brush 5 is arranged between adjacent filtering membrane plates 4, the cleaning brushes 5 are fixedly sleeved on a rotating shaft 6, and the rotating shaft 6 is connected on a driving motor 8 through a chain transmission mechanism 7.

The support 2 is including being four stands 21 of rectangular distribution to and interval vertical welding first horizontal pipe support 22 and the horizontal pipe support 23 of second on stand 21, and first horizontal pipe support 22 and the horizontal pipe support 23 of second and the junction of stand 21 all welds reinforcing rib 24.

The membrane plate fixing frame 3 is symmetrically welded on the first transverse pipe frame 22, a clamping groove 31 is formed in one side, facing the rotating shaft 6, of the membrane plate fixing frame 3, the clamping groove 31 is a rectangular groove, one end of the clamping groove 31 penetrates through the top surface of the membrane plate fixing frame 3, one end, adjacent to the bottom surface of the membrane plate fixing frame, of the clamping groove 31 is closed, and the filtering membrane plate 4 can be directly inserted into the clamping groove 31 from the top end of the membrane plate fixing frame 3 to be fixed.

A bearing seat 61 is fixed on the second transverse pipe frame 23 through a threaded fastener, a rotating bearing is installed in the bearing seat 61, and the inner ring of the rotating bearing is fixedly sleeved on the rotating shaft 6. A plurality of cleaning brushes 5 are fixedly sleeved on the rotating shaft 6 between the two rotating bearings at intervals, and the cleaning brushes 5 are positioned between two adjacent diaphragm fixing frames 3 in the axial direction of the rotating shaft 6. The spacing between adjacent cleaning brushes 5 is less than the thickness of the filter membrane sheet 4.

The cleaning brush 5 comprises a shaft sleeve 51 fixedly sleeved on the rotating shaft 6, three brush fixing plates 52 are uniformly distributed on the circumference of the shaft sleeve 51, rib plates 54 are fixed between the adjacent brush fixing plates 52, the rib plates 54 are isosceles triangle rib plates, and the waist edges of the isosceles triangle rib plates are fixed on the brush fixing plates 52. The brush fixing plate 52 is detachably mounted with a strip-shaped brush 53. The brush fixing plate 52 is symmetrically provided with strip-shaped brushes 53 at both sides in the axial direction of the rotating shaft 6. The bristle material of the strip brush 53 is preferably nylon 66. The brush hair length of bar brush 53 is greater than the ascending length of axle sleeve 51 axial, avoids axle sleeve 51 separation brush hair and filters diaphragm 4's abundant contact, influences clean effect.

Chain drive 7 has cup jointed the drive sprocket including fixed the driven sprocket who cup joints in 6 one end of pivot, has cup jointed driving sprocket on drive motor 8's output shaft, and driving sprocket and driven sprocket are located same vertical plane, and driving sprocket passes through drive chain with driven sprocket and is connected, and drive motor 8 drive pivot 6 rotates, and pivot 6 drives cleaning brush 5 rotatoryly, scrubs filtration membrane. Since the cleaning brush 5 is in contact with the filtering membrane plate and is also located in the sewage just like the filtering membrane plate, the rotation of the cleaning brush 5 agitates the sewage to help remove impurities on the filtering membrane.

The filtering membrane plate 4 comprises a rectangular steel frame 41 and filtering membranes 42 which are detachably and hermetically connected to two ends of the steel frame 41, the filtering membranes 42 at the two ends and the steel frame 41 enclose a purified water cavity, and a water outlet pipe of the purified water cavity is connected with a suction device and a back washing device through a three-way valve 9. The water outlet pipe is led out from the top end of the steel frame 41. The three-way valve 9 is an electric control three-way valve, and the switching and the opening and the closing of the passage in the three-way valve 9 can be automatically controlled conveniently. The water outlet pipe is connected with an inlet of the three-way valve 9, the suction device is connected with a first outlet of the three-way valve 9, and the back washing device is connected with a second outlet of the three-way valve 9. The driving motor 8, the suction device and the back washing device are arranged on the top plate of the box body 1.

The pumping device comprises a variable-frequency suction pump and a flow meter 91 arranged between the variable-frequency suction pump and the three-way valve 9, wherein the flow meter 91 and the variable-frequency suction pump 92 are respectively and electrically connected to the controller. The variable frequency suction pump 92 includes a suction pump electrically connected to the controller through a relay, and a frequency converter electrically connected to the suction pump. The controller controls the on-off of the suction pump by controlling the on-off of the relay, and changes the working frequency of the suction pump by controlling the frequency converter, thereby changing the suction force of the suction pump.

The flow meter 91 is preferably a liquid turbine flow meter, model LWGY. The flow meter 91 feeds back the amount of water to the controller in real time, so that the suction pump can change its frequency according to the amount of water, and the operating frequency of the suction pump corresponds to the required frequency.

The backwashing device is a high-pressure fan 93 connected with a three-way valve 9 through a pipeline, preferably the model is Q915F, and impurities on the filtering membrane are blown off by injecting high-pressure gas into the purified water cavity at regular time so as to achieve the purpose of cleaning the filtering membrane.

Claims

1. The sewage filtering equipment is characterized by comprising a box body (1), wherein a filtering component (01) is fixed in the box body (1), a sedimentation tank (11) is arranged at the bottom of the filtering component (01), a water inlet (12) and a water outlet (13) are arranged on the box body (1), and the water outlet (13) is arranged at the bottom of the sedimentation tank (11);

the filtering component (01) comprises a support (2) fixed on a box body (1), a plurality of membrane plate fixing frames (3) are fixed on the support (2) side by side, a filtering membrane plate (4) is inserted into each membrane plate fixing frame (3), a cleaning brush (5) is arranged between every two adjacent filtering membrane plates (4), the cleaning brushes (5) are fixedly sleeved on a rotating shaft (6), and the rotating shaft (6) is connected to a driving motor (8) through a chain transmission mechanism (7);

a water purification cavity is formed in the filtering membrane plate (4) in a surrounding mode through a filtering membrane, and a water outlet pipe of the water purification cavity is connected with a suction device and a back washing device through a three-way valve (9).

2. The sewage filtering apparatus according to claim 1, wherein inclined plates (111) collecting impurities are fixed to both sides of the settling tank (11).

3. Sewage filtering device according to claim 1, characterised in that a valve is mounted on said water outlet (13).

4. The wastewater filtration plant of claim 1, wherein the suction means comprises a variable frequency suction pump and a flow meter mounted between the variable frequency suction pump and the three-way valve (9), the flow meter and the variable frequency suction pump being electrically connected to the controller, respectively.

5. Sewage filtering plant according to claim 1 or 4, characterised in that said backwashing means are high-pressure blowers piped to said three-way valve (9).

6. Sewage filtering apparatus according to claim 1, characterised in that said three-way valve (9) is an electrically controlled three-way valve, said outlet pipe being connected to an inlet of said three-way valve (9), said suction means being connected to a first outlet of said three-way valve (9), said backwashing means being connected to a second outlet of said three-way valve (9).

7. Sewage filtering device according to claim 1, characterised in that said drive motor (8), suction means and backwashing means are arranged on the top plate of said tank (1).

8. The sewage filtering apparatus according to claim 1, wherein the cleaning brush (5) comprises a shaft sleeve (51) fixedly sleeved on the rotating shaft (6), three brush fixing plates (52) are uniformly distributed on the circumference of the shaft sleeve (51), a rib plate (54) is fixed between every two adjacent brush fixing plates (52), and strip-shaped brushes (53) are detachably mounted on the brush fixing plates (52).

9. The sewage filtering apparatus according to claim 8, wherein said strip-shaped brushes (53) are symmetrically installed on both sides of said brush fixing plate (52) in the axial direction of said rotary shaft (6).

10. The sewage filtering apparatus according to claim 1, wherein said tank (1) is fixed to a support frame (10), said support frame (10) being provided with a strip-shaped mounting hole (101).