CN215232594U

CN215232594U - Integrated double-core tube type filtering structure

Info

Publication number: CN215232594U
Application number: CN202120149973.7U
Authority: CN
Inventors: 权泉; 邓刚
Original assignee: Chengdu Yanzhi Technology Co ltd
Current assignee: Chengdu Yanzhi Technology Co ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-12-21
Anticipated expiration: 2031-01-20

Abstract

The utility model discloses an integrated double-core tube type filtering structure, which comprises a first filter, a second filter, a three-way valve and a pressure reducing valve; the three-way valve is connected with the two filters, and liquid outlets of the two filters are connected through a pipeline. When the liquid is fed from the liquid inlet, the filtrate can only enter one filter through the three-way valve, and the other side can not pass through the filter. When the filtered liquid is conveyed out, the filtrate enters the next link from the liquid outlet, the valve of the liquid outlet of the filter at the other end is closed, and the liquid cannot enter the inside of the other filter. When backwashing is needed, a valve of a liquid outlet of the filter element needing backwashing is opened, liquid enters the filter, and then the corresponding drain valve is opened to realize backwashing; after the back washing is finished, the valve of the liquid outlet of the filter element to be back washed is closed, and the drain valve is closed after the liquid in the filter element is emptied. The direction of feed liquor is changed through the three-way valve like this, lets two filters filtration liquid in turn, can accomplish always filtering operation can carry out the back flush to the filter core again.

Description

Integrated double-core tube type filtering structure

Technical Field

The utility model relates to a filter technology field especially relates to a two core tubular filtration of integral type.

Background

At present, because of the material of the filter element, the filter capable of backwashing is less. The filter with the back washing function is back washed by liquid inlet from the liquid outlet during back washing, so that a single filtering device cannot continuously work, the filter needs to be stopped for a period of time during back washing, the filtering efficiency is greatly influenced, and bad experience is brought to users.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the scheme provides an integrated double-core tube type filtering structure; the problem of single filter backwash needs the shut down operation in the current is solved.

The scheme is realized as follows:

an integrated double-core tube type filtering structure comprises a first filter, a second filter, a three-way valve and a pressure reducing valve; the liquid inlet of the first filter and the liquid inlet of the second filter are respectively connected with a three-way valve through pipelines, and the liquid outlet of the first filter and the liquid outlet of the second filter are both connected with a pressure reducing valve through pipelines; and the three-way valve is connected with a water inlet pump.

Based on the integrated double-core-tube type filtering structure, a first water inlet pipe, a first blow-down valve, a second water inlet pipe and a second blow-down valve are respectively arranged on the water inlet pipelines of the first filter and the second filter; the both ends of three-way valve are connected with first inlet tube and second inlet tube respectively, first blowoff valve sets up on the terminal surface of keeping away from the filter core on first inlet tube, the second blowoff valve sets up on the terminal surface of keeping away from the filter core on the second inlet tube.

A first valve and a second valve are respectively arranged on the water outlet of the first filter and the water outlet of the second filter based on the integrated double-core-tube type filtering structure; the first valve and the second valve respectively close or open the water outlet ends of the first filter and the second filter.

Based on above-mentioned two core tubular filtration structures of integral type first filter and second filter all adopt the mode of central filtration to filter, filter from the outside-in.

Based on above-mentioned two core tubular filtration structures of integral type first filter and second filter all include filter core and shell, the filter core sets up in shell central point and puts, and the exit end and the shell top through connection of filter core.

Based on above-mentioned two core tubular filtration of integral type: the filter elements are all stainless steel filter elements.

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

1. this scheme passes through two filters of three-way valve connection, and the liquid outlet liquid of two filters passes through the pipeline and links to each other. When the liquid is fed from the liquid inlet, the filtrate can only enter one filter through the three-way valve, and the other side can not pass through the filter. When the filtered liquid is conveyed out, the filtrate enters the next link from the liquid outlet, the valve of the liquid outlet of the filter at the other end is closed, and the liquid cannot enter the inside of the other filter. When backwashing is needed, a valve of a liquid outlet of the filter element needing backwashing is opened, liquid enters the filter, and then the corresponding drain valve is opened to realize backwashing; after the back washing is finished, the valve of the liquid outlet of the filter element to be back washed is closed, and the drain valve is closed after the liquid in the filter element is emptied. The direction of feed liquor is changed through the three-way valve like this, lets two filters filtration liquid in turn, can accomplish always filtering operation can carry out the back flush to the filter core again.

2. For occasions needing continuous work, such as resident water, continuous water supply is required to be ensured in 24 hours all day, the water supply quantity can be ensured by using the device, and the back washing maintenance is very convenient. Due to the unique back washing mode, the sewage draining outlet is designed on the branch of the water inlet pipeline, and the two systems share one pipeline, so that the processing of drilling, welding and the like on the filter shell is reduced, and the resources are saved.

3. This scheme simple structure, whole device only the valve is less, no matter be manual operation, or install PLC control system additional, and it is all very convenient to operate. According to different working scenes, a pump can be selectively arranged at the liquid inlet for pressurization, and a throttle valve is arranged at the liquid outlet for adjusting the internal pressure.

4. This scheme filtration only needs to open two holes on, and overall structure is simple processing convenient, only needs to operate the three-way valve at every turn and can change the feed liquor direction, operates two valves and can carry out the back flush to the filter core.

5. The water inlet end of the water inlet pump is provided with the water inlet pump, so that the filtering operation and the backwashing operation can be efficiently carried out, and the overall efficiency can be improved under the action of pressure; the pressure reducing valve is arranged at the water outlet end, so that the final output water pressure can be kept constant, and the influence on a subsequent water channel pipe network is reduced.

Drawings

FIG. 1 is a schematic diagram of the overall filtration system of the present invention;

in the figure: 1. a first filter; 2. a second filter; 3. a three-way valve; 4. a pressure reducing valve; 5. a water inlet pump; 6. a first valve; 7. a second valve; 8. a first water inlet pipe; 9. a first waste valve; 10. a second water inlet pipe; 11. a second blowoff valve; 12. a filter element; 13. a housing.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely 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 thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example 1

Referring to fig. 1, the present invention provides a technical solution:

an integrated double-core tube type filtering structure comprises a first filter 1, a second filter 2, a three-way valve 3 and a pressure reducing valve 4; the liquid inlet of the first filter 1 and the liquid inlet of the second filter 2 are respectively connected with a three-way valve 3 through pipelines, and the liquid outlet of the first filter 1 and the liquid outlet of the second filter 2 are both connected with a pressure reducing valve 4 through pipelines; the three-way valve 3 is connected with a water inlet pump 5;

based on above-mentioned structure, when needs are filtered liquid, adjust the flow direction of filtering liquid through three-way valve 3, make and wait to filter liquid and filter by first filter 1 or second filter 2, when a filter core 12 goes wrong, can switch over the use of filter core 12, then maintain, change or back flush the processing to the filter core 12 that breaks down fast, can realize the continuity and filter, when guaranteeing that filter core 12 goes wrong, do not shut down the operation. The water inlet valve is arranged at the front end of the filter, so that the filtering operation and the back flushing operation can be efficiently carried out, and the overall efficiency can be improved under the action of pressure. However, if the pressure at the water outlet end is too high, pressure fluctuation can be caused to the subsequent waterway pipe network, and at the moment, the applicant adds the pressure reducing valve to keep the final output water pressure constant, so that the influence on the subsequent waterway pipe network is reduced.

A first valve 6 and a second valve 7 are respectively arranged on the water outlet of the first filter 1 and the water outlet of the second filter 2; the first valve 6 and the second valve 7 respectively close or open the water outlet ends of the first filter 1 and the second filter 2;

a first water inlet pipe 8, a first drain valve 9, a second water inlet pipe 10 and a second drain valve 11 are respectively arranged on the water inlet pipelines of the first filter 1 and the second filter 2, two ends of the three-way valve 3 are respectively connected with the first water inlet pipe 8 and the second water inlet pipe 10, the first drain valve 9 is arranged on the end face, far away from the filter element 12, of the first water inlet pipe 8, and the second drain valve 11 is arranged on the end face, far away from the filter element 12, of the second water inlet pipe 10;

the first filter 1 and the second filter 2 are subjected to sewage disposal through a first sewage disposal valve 9 and a second sewage disposal valve 11, respectively.

The first filter 1 and the second filter 2 are both filtered in a center filtering mode and are filtered from outside to inside, the first filter 1 and the second filter 2 both comprise a filter element 12 and a shell 13, the filter element 12 is arranged at the center of the shell 13, the outlet end of the filter element 12 is communicated with the top of the shell 13, filtrate is filtered from the outside to the center of the filter element 12 during filtering, and filtered filter residues are left on the outer surface of the filter element 12;

when the first filter 1 is used for filtering, the three-way valve 3 is led to the first water inlet pipe 8, the first drain valve 9 is closed, the first valve 6 is opened, and the second valve 7 and the second drain valve 11 are closed; at the moment, the filtrate flows to the pressure reducing valve 4 along the first water inlet pipe 8 and the first filter 1 by the water inlet pump 5, and finally filtered liquid is output to the outside by the pressure reducing valve 4;

when the second filter 2 is used for filtration, the same way of operation is used as when the first filter 1 is used;

when the second filter 2 needs to be backwashed, the three-way valve 3 is led to the first water inlet pipe 8, the first drain valve 9 is closed, and the first valve 6, the second valve 7 and the second drain valve 11 are opened; at the moment, filtrate flows to the pressure reducing valve 4 along the first water inlet pipe 8 and the first filter 1 by the water inlet pump 5, wherein a part of liquid flows to the second blow-down valve 11 from the liquid outlet pipe of the first filter 1, impurities on the outer surface of the second filter element 12 are backwashed, the impurities are finally discharged by the second blow-down valve 11, and the second valve 7 and the second blow-down valve 11 are closed after the backwashing operation is finished;

when the first filter 1 needs to be backwashed; the operation mode is the same as that of the back flushing of the second filter 2; again, no further description is given.

In the scheme, the filter elements 12 are all stainless steel filter elements 12, so that the service life of the filter structure can be prolonged, and the overall maintenance cost is reduced;

for occasions needing continuous work, such as resident water, continuous water supply is required to be guaranteed within 24 hours all day, the water supply amount can be guaranteed by using the filtering structure, and backwashing maintenance is convenient. Due to the unique back washing mode, the sewage draining outlet is designed on the branch of the water inlet pipeline, and the two systems share one pipeline, so that the processing of drilling, welding and the like on the filter shell is reduced, and the resources are saved. The structure is simple, the whole device only has a few valves, and the operation is very convenient no matter manual operation or addition of a PLC control system. According to different working scenes, a pump can be selectively arranged at the liquid inlet for pressurization, and a throttle valve is arranged at the liquid outlet for adjusting the internal pressure.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an integral type double core tubular filter structure which characterized in that: the filter comprises a first filter, a second filter, a three-way valve and a pressure reducing valve; the liquid inlet of the first filter and the liquid inlet of the second filter are respectively connected with a three-way valve through pipelines, and the liquid outlet of the first filter and the liquid outlet of the second filter are both connected with a pressure reducing valve through pipelines; and the three-way valve is connected with a water inlet pump.

2. A unitary, dual cartridge filter structure according to claim 1 wherein: a first water inlet pipe, a first blow-down valve, a second water inlet pipe and a second blow-down valve are respectively arranged on the water inlet pipelines of the first filter and the second filter; the both ends of three-way valve are connected with first inlet tube and second inlet tube respectively, first blowoff valve sets up on the terminal surface of keeping away from the filter core on first inlet tube, the second blowoff valve sets up on the terminal surface of keeping away from the filter core on the second inlet tube.

3. A unitary, dual cartridge filter structure according to claim 1 or 2 wherein: a first valve and a second valve are respectively arranged on the water outlet of the first filter and the water outlet of the second filter; the first valve and the second valve respectively close or open the water outlet ends of the first filter and the second filter.

4. A unitary, dual cartridge filter structure according to claim 3 wherein: the first filter and the second filter are both filtered in a center filtering mode and are filtered from outside to inside.

5. A unitary, dual cartridge filter structure according to claim 4 wherein: first filter and second filter all include filter core and shell, the filter core sets up in shell central point and puts, the exit end and the shell top through connection of filter core.

6. A unitary, dual cartridge filter structure according to claim 5 wherein: the filter elements are all stainless steel filter elements.