CN210699283U

CN210699283U - Negative pressure preventing device of multi-medium filter

Info

Publication number: CN210699283U
Application number: CN201921630841.5U
Authority: CN
Inventors: 荚存兵; 曹政
Original assignee: Hefei Geyun Fluid Technology Co Ltd
Current assignee: Hefei Geyun Fluid Technology Co Ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-06-09
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses a many medium filter prevent negative pressure device, which comprises a filter, top one side and bottom one side of filter all are connected with the conveyer pipe, and the top opposite side of filter installs the check valve. The top of filter is provided with the round mounting groove in the outside of check valve, and the top of filter has an installation section of thick bamboo through mounting groove threaded connection, the filter suit is in the inside of installation section of thick bamboo, the filter screen is installed to the inside top of installation section of thick bamboo, and clean mechanism is installed on the upper portion of filter screen. When negative pressure is formed, the check valve opens the outside air under the action of the negative pressure to enter the filter, so that the inside of the filter is the same as the outside pressure, and the filter component inside is protected from being damaged and can be safely used. And the mechanical check valve is adopted, the control of electronic instruments is not needed, the valve is only influenced by negative pressure, the valve can be automatically opened after the negative pressure occurs, and can be automatically closed after the negative pressure disappears, so that the reliability in the working process is improved.

Description

Negative pressure preventing device of multi-medium filter

Technical Field

The utility model relates to a prevent negative pressure equipment, concretely relates to many media filter prevents negative pressure equipment belongs to many media filter application.

Background

The filter is a common filtering apparatus in liquid filtration, and a plurality of filters are connected and can be combined to form a multi-stage filtering group, so that the filter has high filtering efficiency and is widely used.

However, the existing multi-media filters still have certain disadvantages in use. When the existing multi-media filter is used, negative pressure is easily formed due to internal blockage, and the filter component in the filter is easily damaged due to the generation of the negative pressure. The staff can not find the generation of negative pressure in time, and can not take measures in time after finding, eliminate the negative pressure, the safety performance of the filter in use is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a many media filter prevents negative pressure device can solve current many media filter in use because inside jam, forms the negative pressure easily, and the production of negative pressure easily causes the damage to the filter component of filter inside. The staff can not find the generation of negative pressure in time, and can not take measures in time after finding, eliminate the negative pressure, the filter in use has low safety performance technical problem.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a many medium filter's negative pressure resistant device, includes the filter, top one side and bottom one side of filter all are connected with the conveyer pipe, and the top opposite side of filter installs the check valve.

The top of filter is provided with the round mounting groove in the outside of check valve, and the top of filter has an installation section of thick bamboo through mounting groove threaded connection, the filter suit is in the inside of installation section of thick bamboo, the filter screen is installed to the inside top of installation section of thick bamboo, and clean mechanism is installed on the upper portion of filter screen.

Preferably, a plurality of the filters are connected in series through conveying pipes to form a multi-stage filtering group, the feeding port of the filter at one end is connected with a conveying pump through the conveying pipe, and the discharging port of the filter at the other end is also connected with the conveying pump through the conveying pipe.

Preferably, the inside of the installation cylinder is horizontally connected with a limiting ring at the upper part of the check valve, and the inside of the limiting ring is horizontally connected with a transverse plate.

Preferably, the motor is installed to the bottom middle-end of diaphragm, and the pivot of vertical setting is installed in the rotation of top middle-end, and the bottom of pivot runs through the diaphragm and is connected with the output of motor.

Preferably, the filter screen is installed at the inside middle-end of loading board, and loading board horizontal installation is in the inside of installation section of thick bamboo, and the bottom of loading board and the top butt of spacing ring, the filter screen is run through at the top of pivot.

Preferably, clean mechanism includes the roof, and clean pad is all connected to the bottom both sides of roof, and the middle part of roof and the middle part of filter screen all run through along the thickness direction and are provided with the perforation, and the top of pivot runs through roof and filter screen through the perforation, and the outside of pivot has fastening nut in the equal threaded connection in the upper and lower both sides of roof, the bottom of clean pad and the top butt of filter screen.

The utility model has the advantages that:

1. through the upper portion installation check valve at the filter for if the filter is inside to take place to block up in the work, lead to the liquid circulation not smooth, and then make the pressure of discharge gate be greater than the pressure of feed inlet, formed the negative pressure. In order to protect the filter inner filter component from being damaged by negative pressure. When negative pressure is formed, the check valve opens the outside air under the action of the negative pressure to enter the filter, so that the inside of the filter is the same as the outside pressure, and the filter component inside is protected from being damaged and can be safely used. And the mechanical check valve is adopted, the control of electronic instruments is not needed, the mechanical check valve is only influenced by negative pressure, the mechanical check valve can be automatically opened after the negative pressure occurs, and can be automatically closed after the negative pressure disappears, so that the reliability in the working process is improved, and the electronic fault is not easy to occur.

2. Through the upper portion installation filter screen at the filter for the filter screen can filter the air that gets into filter inside, makes the inside that outside air got into the filter can receive the filtration, avoids the impurity to cause the damage to the inside of filter, protects the safety of filter. And the filter screen in use, the motor drives the rotating shaft to rotate, and then drives the top plate on the upper portion to rotate on the upper portion of the filter screen, and the cleaning pad at the bottom cleans the outside of the filter screen, so that the outside is prevented from being blocked by dust and impurities, and higher filtering efficiency can be kept. And the filter screen can be dismantled from the installation of the inside of installation section of thick bamboo, and follow-up change is maintained simply.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is the schematic view of the installation structure of the check valve of the present invention.

Fig. 3 is a schematic diagram of the top structure of the filter of the present invention.

Fig. 4 is the schematic view of the internal structure of the installation cylinder of the present invention.

Fig. 5 is a schematic view of the inner decomposition structure of the mounting cylinder of the present invention.

Fig. 6 is the schematic view of the transverse plate structure of the present invention.

In the figure: 1. a filter; 2. a delivery pipe; 3. mounting the cylinder; 4. a delivery pump; 5. a check valve; 6. mounting grooves; 7. a cleaning pad; 8. a carrier plate; 9. a transverse plate; 10. filtering with a screen; 11. a limiting ring; 12. a motor; 13. a rotating shaft; 14. fastening a nut; 15. perforating; 16. a top plate.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-6, an anti-negative pressure device for a multi-media filter includes a filter 1, wherein a delivery pipe 2 is connected to both top and bottom sides of the filter 1, and a check valve 5 is installed on the other top side of the filter 1.

The top of filter 1 is provided with round mounting groove 6 in check valve 5's outside, and 6 threaded connection have an installation section of thick bamboo 3 through mounting groove at the top of filter 1, and filter 1 suit is in the inside of installation section of thick bamboo 3, and filter screen 10 is installed to the inside top of installation section of thick bamboo 3, and clean mechanism is installed on the upper portion of filter screen 10.

A plurality of filters 1 are connected in series through a conveying pipe 2 to form a multi-stage filtering group, a feeding hole of the filter 1 at one end is connected with a conveying pump 4 through the conveying pipe 2, and a discharging hole of the filter 1 at the other end is also connected with the conveying pump 4 through the conveying pipe 2.

The inside of the mounting tube 3 is horizontally connected with a limit ring 11 at the upper part of the check valve 5, and the inside of the limit ring 11 is horizontally connected with a transverse plate 9.

The motor 12 is installed to the bottom middle-end of diaphragm 9, and the pivot 13 of vertical setting is installed in the rotation of top middle-end, and the bottom of pivot 13 runs through diaphragm 9 and is connected with the output of motor 12, and motor 12 can drive pivot 13 and rotate in work, and then drives clean mechanism and rotate cleanly.

Filter screen 10 is installed in the inside middle-end of

loading board

8, and 8 horizontal installation of loading board in the inside of installation section of thick bamboo 3, the bottom of loading board 8 and the top butt of spacing ring 11, and filter screen 10 is run through at the top of pivot 13, and loading board 8 makes things convenient for filter screen 10 at the internally mounted of installation section of thick bamboo 3.

Clean mechanism includes roof 16, cleaning pad 7 is all connected to the bottom both sides of roof 16, the middle part of roof 16 and the middle part of filter screen 10 all run through along the thickness direction and are provided with perforation 15, perforation 15 runs through roof 16 and filter screen 10 through the top of pivot 13, and the outside of pivot 13 has fastening nut 14 in the equal threaded connection in the upper and lower both sides of roof 16, the bottom of cleaning pad 7 and the top butt of filter screen 10, perforation 15 makes things convenient for the installation between pivot 13 and filter screen 10 and the roof 16, and cleaning pad 7 can clean filter screen 10.

The utility model discloses when using, establish ties a plurality of filter 1 through conveyer pipe 2 and form multistage filtration group. The delivery pumps 4 at the two ends work, and liquid to be filtered enters the multistage filtering group from the delivery pipe 2 and flows into subsequent processing equipment after being filtered by the filters 1.

The pressure difference between the feed inlet and the discharge outlet is within a proper range in use, and the filter part in the filter 1 cannot be damaged. If the filter 1 is blocked, the liquid is not circulated smoothly, so that the pressure of the discharge port is greater than that of the feed port, and negative pressure is formed. In order to protect the filter 1 from damage caused by negative pressure. When negative pressure is formed, the check valve 5 opens the outside air under the action of the negative pressure to enter the filter 1, so that the pressure inside the filter 1 is the same as the pressure outside the filter, and the filter component inside the filter is protected from being damaged and can be safely used. And the mechanical check valve 5 is adopted, the control of electronic instruments is not needed, the negative pressure is only influenced, the valve can be automatically opened after the negative pressure occurs, and can be automatically closed after the negative pressure disappears, so that the reliability in the working process is improved, and the electronic fault is not easy to occur.

And the bottom of the installation cylinder 3 can be connected with the installation groove 6 in a threaded manner during working, the filter screen 10 is installed on the upper portion of the installation cylinder 3, and air entering the filter 1 is filtered, so that the outside air entering the filter 1 can be filtered, the impurities are prevented from damaging the inside of the filter 1, and the safety of the filter 1 is protected.

And when the filter screen 10 is in use, the motor 12 drives the rotating shaft 13 to rotate, so as to drive the top plate 16 on the upper part to rotate on the upper part of the filter screen 10, and the cleaning pad 7 at the bottom cleans the outside of the filter screen 10, so that the outside is prevented from being blocked by dust and impurities, and higher filtering efficiency can be kept. And the filter screen 10 can be installed and disassembled from the inside of the installation cylinder 3, and the subsequent replacement and maintenance are simple.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The negative pressure preventing device of the multi-media filter is characterized by comprising a filter (1), wherein one side of the top end and one side of the bottom end of the filter (1) are both connected with a conveying pipe (2), and the other side of the top of the filter (1) is provided with a check valve (5);

the top of filter (1) is provided with round mounting groove (6) in the outside of check valve (5), and the top of filter (1) has installation section of thick bamboo (3) through mounting groove (6) threaded connection, filter (1) suit is in the inside of installation section of thick bamboo (3), filter screen (10) are installed to the inside top of installation section of thick bamboo (3), and clean mechanism is installed on the upper portion of filter screen (10).

2. The negative pressure preventing device for the multi-media filter is characterized in that a plurality of filters (1) are connected in series through conveying pipes (2) to form a multi-stage filtering group, the feeding port of one filter (1) is connected with a conveying pump (4) through the conveying pipe (2), and the discharging port of the other filter (1) is also connected with the conveying pump (4) through the conveying pipe (2).

3. The negative pressure preventing device of the multi-media filter as claimed in claim 1, wherein the inside of the mounting cylinder (3) is horizontally connected with a limiting ring (11) at the upper part of the check valve (5), and the inside of the limiting ring (11) is horizontally connected with a transverse plate (9).

4. The negative pressure preventing device of the multi-media filter as claimed in claim 3, wherein the bottom middle end of the transverse plate (9) is provided with a motor (12), the top middle end is rotatably provided with a vertically arranged rotating shaft (13), and the bottom of the rotating shaft (13) penetrates through the transverse plate (9) and is connected with the output end of the motor (12).

5. The negative pressure preventing device of a multimedia filter according to claim 1, wherein the filter screen (10) is installed at the inner middle end of the bearing plate (8), the bearing plate (8) is horizontally installed inside the installation cylinder (3), the bottom of the bearing plate (8) abuts against the top of the limiting ring (11), and the top of the rotating shaft (13) penetrates through the filter screen (10).

6. The negative pressure preventing device of a multi-media filter according to claim 1, wherein the cleaning mechanism comprises a top plate (16), the cleaning pad (7) is connected to both sides of the bottom of the top plate (16), through holes (15) are formed in the middle of the top plate (16) and the middle of the filter screen (10) along the thickness direction, the top of the rotating shaft (13) penetrates through the top plate (16) and the filter screen (10) through the through holes (15), fastening nuts (14) are connected to the outer portion of the rotating shaft (13) in the upper side and the lower side of the top plate (16) in a threaded manner, and the bottom of the cleaning pad (7) is abutted to the top of the filter screen (10).