CN212166672U

CN212166672U - Filter screen type automatic sand discharging and removing device

Info

Publication number: CN212166672U
Application number: CN202020316829.3U
Authority: CN
Inventors: 郭军杰; 贾红; 吕正华
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-15
Filing date: 2020-03-15
Publication date: 2020-12-18
Anticipated expiration: 2030-03-15

Abstract

The utility model relates to a sewage treatment technical field discloses an automatic sand discharging desander of filter screen formula, in order to improve the automatic sand discharging ability of desander, mechanical seal's inboard is run through and is provided with the transmission main shaft, the outside of transmission main shaft is fixed with the blowdown doctor-bar, the inboard of the filter tank body is fixed with the cartridge filter, the inner wall that the filter tank body is located bottom position department and is fixed with pressure sensor, the filter tank body passes through the sewage row mouth and is connected with the blowdown jar. The utility model discloses a drive motor drives the blowdown doctor-bar and strikes off the circulating impurity of cartridge filter, not only can carry out the efficient clearance to the impurity of cartridge filter inner wall adhesion, can ensure simultaneously to clear away the processing to impurity under the condition of not stopping water, deposits impurity sewage's unity through the blowdown jar, can be convenient for the staff to carry out the unified emission to impurity sewage and handle, avoids the staff frequently to carry out treatment to the impurity sewage after the clearance.

Description

Filter screen type automatic sand discharging and removing device

Technical Field

The utility model relates to a sewage treatment technical field specifically is an automatic sand discharging desander of filter screen formula.

Background

Desander is widely used for the quality of water treatment and control of raw water, moisturizing, for example: the method comprises the steps of drilling wells in oil fields, non-excavation horizontal directional crossing, mud purification cyclone separation of coal bed gas drilling, sand removal of river water and well water, coal washing water, industrial mineral separation, solid-liquid separation, liquid degassing, separation of immiscible liquids and the like, and is the first choice for sewage filtration treatment in various industries.

Through search, the Chinese patent net discloses a filter screen type automatic sand discharge and sand removal device (publication No. CN 207745591U), a sand filtering cylinder is arranged in a cylinder body, the sand filtering cylinder divides the cylinder body into two separation cavities, the top of the sand filtering cylinder is provided with a sand filtering cylinder cover, the center of the sand filtering cylinder cover is provided with a water inlet hole, the bottom of the cylinder body is connected with a sand discharge pipe, the bottom of the sand filtering cylinder is connected with a vertical flushing pipe through a conversion connecting pipe, the vertical flushing pipe is arranged in the sand discharge pipe, the bottom of the sand discharge pipe is connected with a sand discharge elbow, one side of the sand discharge elbow is provided with a through hole, a horizontal flushing pipe is arranged in the through hole, the device has good integral structure rigidity and is not easy to deform during blocking, sand at the bottom is discharged from, but this kind of device is not enough to the throughput of impurity, can not effectual thoroughly clear away the impurity of cartridge filter inner wall, and in impurity treatment process, can't concentrate deposit the processing to impurity. Accordingly, those skilled in the art have provided a screen type automatic sand discharge and removal device to solve the problems set forth in the background art as described above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic sand discharging desander of filter screen formula to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a filter screen type automatic sand discharging sand remover comprises a filter tank body, wherein a sealing upper cover is fixed above the filter tank body in a screwing mode, a mechanical seal is embedded and arranged at the position, located at the middle part, of the upper sealing cover, a water inlet pipe is embedded and arranged at one side, located at the mechanical seal, of the upper sealing cover, a transmission motor is fixed above the mechanical seal, a transmission main shaft penetrates through the inner side of the mechanical seal, a sewage discharge scraper is fixed on the outer side of the transmission main shaft, a filter cartridge is fixed on the inner side of the filter tank body, the filter tank body is fixedly connected with the filter cartridge through a positioning plate, a pressure sensor is fixed at the position, located at the bottom end, of the inner wall of the filter tank body, a drain pipe is connected at the position, located at the bottom end, of the one side of the filter tank body, a support foot frame is fixed below the filter tank body, the filtering tank body is connected with the sewage draining tank through a sewage draining port.

As a further aspect of the present invention: the blowdown jar is including the blowdown jar body, one side of the blowdown jar body is located bottom position department and is connected with the blow off pipe, and the top of the blowdown jar body has seted up the sewage import, the middle part position department of sewage import is provided with the blowoff valve.

As a further aspect of the present invention: and the edge positions of the ports of the sewage inlet and the sewage discharge port are provided with positioning screw holes, and the sewage inlet and the sewage discharge port are screwed and fixed through the positioning screw holes.

As a further aspect of the present invention: the filter cartridges of the filter cartridge are three layers, the three layers of filter cartridges are made of stainless steel, quartz and activated carbon meshes from inside to outside, and the bottom end of the filter cartridge is of a conical structure.

As a further aspect of the present invention: and a positioning frame is fixed on the outer side of the transmission main shaft, and the transmission main shaft is fixedly connected with the pollution discharge scraping blade through the positioning frame.

As a further aspect of the present invention: the number of the pollution discharge scraping blades is the same as that of the filter cartridges, the pollution discharge scraping blades correspond to the filter cartridges one by one, and the outer diameter of the pollution discharge scraping blades is matched with the inner diameter of the filter cartridges.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a drive motor drives the blowdown doctor-bar and strikes off the circulating impurity of cartridge filter, the mode of traditional whole dismantlement clearance has been replaced, not only can carry out the efficient clearance to the impurity of cartridge filter inner wall adhesion, can ensure simultaneously to clear away the processing to impurity under the condition of not stopping water, and then reduce staff's operating strength, improve the nimble usability of desander, deposit impurity sewage's unity through the blowdown jar, the staff of can being convenient for carries out unified emission to impurity sewage and handles, avoid the staff frequent impurity sewage after the clearance to carry out treatment work.

Drawings

FIG. 1 is a schematic view showing the construction of a screen type automatic sand discharge and removal device;

FIG. 2 is a schematic view showing the inside structure of a filtering tank in the screen type automatic sand discharging and removing device;

FIG. 3 is a schematic view showing the construction of a filter cartridge in an automatic sand discharging and removing apparatus of a screen type;

FIG. 4 is a schematic view showing the structure of a drain tank in a screen-type automatic sand discharging and removing machine.

In the figure: 1. filtering the tank body; 2. sealing the upper cover; 3. a water inlet pipe; 4. mechanical sealing; 5. a drive motor; 6. a drain pipe; 7. a sewage discharge port; 8. a supporting foot rest; 9. a blowdown tank; 91. a blowdown tank body; 92. a blow-off pipe; 93. a sewage inlet; 94. a blowoff valve; 10. a filter cartridge; 11. positioning the plate frame; 12. a transmission main shaft; 13. a pollution discharge scraping blade; 14. a pressure sensor.

Detailed Description

Referring to fig. 1-4, in an embodiment of the present invention, a filter screen type automatic sand discharging and sand removing device includes a filter tank body 1, a sealing upper cover 2 is screwed and fixed above the filter tank body 1, a mechanical seal 4 is embedded at a middle position above the sealing upper cover 2, a water inlet pipe 3 is embedded at one side of the mechanical seal 4 above the sealing upper cover 2, a transmission motor 5 is fixed above the mechanical seal 4, a transmission main shaft 12 is arranged through the inner side of the mechanical seal 4, a sewage discharging scraper 13 is fixed at the outer side of the transmission main shaft 12, a positioning frame is fixed at the outer side of the transmission main shaft 12, the transmission main shaft 12 is fixedly connected with the sewage discharging scraper 13 through the positioning frame, the number of the sewage discharging scrapers 13 is the same as the number of the filter cartridges 10, the sewage discharging scraper 13 corresponds to the filter cartridges 10 one to one, the outer diameter of the sewage discharging scraper 13 is matched with the inner, when cartridge filter 10 is blockked up by impurity, cartridge filter 10's filter capacity reduces, and then the water level of sewage rises, at the in-process that rises, the water pressure increase of the internal 1 inside bottom of filter tank, pressure sensor 14 works, transmit pressure signal to control center, and then control center control drive motor 5 works, drive transmission main shaft 12 and rotate, synchronous drive blowdown doctor-bar 13 rotates, scrape the impurity of adhesion at cartridge filter 10 inner wall and wipe off, the impurity of wiping off subsides naturally in cartridge filter 10 bottom, arrange to blowdown jar 9 in through sewage discharge outlet 7.

Filter jar body 1's inboard and be fixed with cartridge filter 10, and filter jar body 1 through location grillage 11 and cartridge filter 10 fixed connection, cartridge filter 10 strains a section of thick bamboo quantity and is the three-layer, the material that the three-layer was strained a section of thick bamboo is stainless steel from inside to outside respectively, quartz material, the active carbon net material, cartridge filter 10's bottom is the toper structure, when carrying out filtration treatment to sewage, sewage is from inlet tube 3 input to cartridge filter 10 inside, and then sewage is stainless steel material, quartz material, the active carbon net material three-layer is strained the selection in proper order of straining and is filtered down, keep apart the impurity in sewage inside cartridge filter 10, the clean water after filtering simultaneously passes through drain pipe 6 and discharges the external world.

A pressure sensor 14 is fixed on the inner wall of the filtering tank body 1 at the bottom position, a drain pipe 6 is connected with one side of the filtering tank body 1 at the bottom position, a supporting foot rest 8 is fixed below the filtering tank body 1, a sewage discharge port 7 is arranged at the middle position below the filtering tank body 1, the filtering tank body 1 is connected with a sewage discharge tank 9 through the sewage discharge port 7, the sewage discharge tank 9 comprises a sewage discharge tank body 91, a sewage discharge pipe 92 is connected with one side of the sewage discharge tank body 91 at the bottom position, a sewage inlet 93 is arranged above the sewage discharge tank body 91, a sewage discharge valve 94 is arranged at the middle position of the sewage inlet 93, positioning screw holes are arranged at the port edge positions of the sewage inlet 93 and the sewage discharge port 7, the sewage inlet 93 and the sewage discharge port 7 are screwed and fixed through the positioning screw holes, and the opening and closing of the sewage discharge valve 94 are opened during the process of treating the cleaned, impurity under the washing of sewage, with sewage synchronous inflow to the blowdown jar body 91 in, treat that the impurity flows and finishes the back, close blowoff valve 94, inside sewage and impurity left the blowdown jar body 91, when the blowdown jar body 91 stores full impurity sewage, open blow off pipe 92, discharge sewage impurity in unison and handle, avoid the staff frequently to carry out treatment work to the impurity sewage after the clearance.

The utility model discloses a theory of operation is: when filtering sewage, sewage is input into the interior of the filter cartridge 10 from the water inlet pipe 3, then the sewage is filtered by sequentially selecting the three-layer filter cartridge made of stainless steel, quartz and activated carbon net, impurities in the sewage are isolated in the interior of the filter cartridge 10, meanwhile, filtered clean water is discharged to the outside through the water discharge pipe 6, when the filter cartridge 10 is blocked by the impurities, the filtering capacity of the filter cartridge 10 is reduced, further, the water level of the sewage rises, in the rising process, the water pressure at the bottom end of the interior of the filter tank body 1 is increased, the pressure sensor 14 works to transmit a pressure signal to the control center, further, the control center controls the transmission motor 5 to work to drive the transmission main shaft 12 to rotate, synchronously drives the sewage discharge scraper 13 to rotate to scrape the impurities adhered to the inner wall of the filter cartridge 10, the scraped impurities naturally settle at the bottom of the filter cartridge 10 and are discharged into the sewage discharge tank 9 through the sewage discharge port, further impurity after to the clearance carries out the processing procedure, opens the switch of blowoff valve 94, and impurity flows into to the blowdown jar body 91 in step with sewage under the washing of sewage, treats that the impurity flows and puts the back that finishes, closes blowoff valve 94, and inside sewage and impurity left the blowdown jar body 91, when the blowdown jar body 91 stores full impurity sewage, opened blow off pipe 92, with the unified emission processing of sewage impurity, avoid the staff frequently to carry out the processing work to the impurity sewage after the clearance.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The filter screen type automatic sand discharging and sand removing device comprises a filter tank body (1) and is characterized in that a sealing upper cover (2) is fixed above the filter tank body (1) in a screwing mode, a mechanical seal (4) is embedded and arranged at the position, located at the middle part, of the upper side of the sealing upper cover (2), a water inlet pipe (3) is embedded and arranged at one side, located at the mechanical seal (4), of the upper side of the sealing upper cover (2), a transmission motor (5) is fixed above the mechanical seal (4), a transmission main shaft (12) penetrates through the inner side of the mechanical seal (4), a pollution discharge scraping blade (13) is fixed on the outer side of the transmission main shaft (12), a filter tank body (10) is fixed on the inner side of the filter tank body (1), the filter tank body (1) is fixedly connected with the filter tank (10) through a positioning plate frame (11), a pressure sensor (14) is fixed at the position, located at the bottom, and one side of the filtering tank body (1) is located at the bottom end position and is connected with a drain pipe (6), a supporting foot rest (8) is fixed below the filtering tank body (1), a sewage discharge port (7) is formed in the middle position of the lower part of the filtering tank body (1), and the filtering tank body (1) is connected with a sewage discharge tank (9) through the sewage discharge port (7).

2. The screen type automatic sand discharging and removing device as claimed in claim 1, wherein the blowdown tank (9) comprises a blowdown tank body (91), a blowdown pipe (92) is connected to a position, located at the bottom end, of one side of the blowdown tank body (91), a sewage inlet (93) is formed above the blowdown tank body (91), and a blowdown valve (94) is arranged at the middle position of the sewage inlet (93).

3. The automatic screen type sand and sand removing device according to claim 2, wherein the edge positions of the ports of the sewage inlet (93) and the sewage outlet (7) are both provided with positioning screw holes, and the sewage inlet (93) and the sewage outlet (7) are screwed and fixed through the positioning screw holes.

4. A screen type automatic sand discharging and removing device according to claim 1, wherein the filter cartridges of the filter cartridge (10) are three layers, the three layers of filter cartridges are made of stainless steel, quartz and activated carbon screen from inside to outside, and the bottom end of the filter cartridge (10) is of a conical structure.

5. A screen type automatic sand discharging and removing device according to claim 1, wherein a positioning frame is fixed on the outer side of the transmission main shaft (12), and the transmission main shaft (12) is fixedly connected with the pollution discharge scraper (13) through the positioning frame.

6. A screen type automatic sand discharging and removing device according to claim 1, wherein the number of said blow-off blades (13) is the same as the number of said filter cartridges (10), and the blow-off blades (13) and the filter cartridges (10) are in one-to-one correspondence, and the outer diameter of said blow-off blades (13) is adapted to the inner diameter of the filter cartridges (10).