CN220834493U

CN220834493U - Y-shaped filtering device

Info

Publication number: CN220834493U
Application number: CN202322555743.2U
Authority: CN
Inventors: 刘峰; 时建伟; 黎馨桦; 窦洪泽; 陈歆; 刘凤翔
Original assignee: Tianjin Pipeline Engineering Group Co Ltd
Current assignee: Tianjin Pipeline Engineering Group Co Ltd
Priority date: 2023-09-20
Filing date: 2023-09-20
Publication date: 2024-04-26
Anticipated expiration: 2033-09-20

Abstract

The utility model provides a Y-shaped filtering device, which comprises a valve body, wherein a water inlet pipe is arranged on one side of the valve body, a water outlet pipe is arranged on the other side of the valve body, a filter screen cylinder for separating the water inlet pipe and the water outlet pipe is arranged in the valve body, the filter screen cylinder is obliquely arranged in the valve body, a collecting mechanism is arranged on the valve body at a position corresponding to the obliquely upper end of the filter screen cylinder, and a cleaning structure is arranged at a position corresponding to the obliquely lower end of the filter screen cylinder; the cleaning structure comprises a volute arranged on the valve body and a rotating shaft rotationally arranged on the volute. The Y-shaped filtering device has the advantages of simple structure, easy use and maintenance, energy conservation and environmental protection, can effectively filter impurities in a heating pipeline, can clean a filter screen cylinder without stopping, avoids the loss of pressure and heat in the heating pipeline, and has good energy conservation and environmental protection effects.

Description

Y-shaped filtering device

Technical Field

The utility model belongs to the field of filter devices, and particularly relates to a Y-shaped filter device.

Background

The Y-type filter is an indispensable filtering device of a pipeline system for conveying media, and is usually installed at the inlet end of a pressure reducing valve, a pressure relief valve, a fixed water level valve or other devices to remove impurities in the media so as to protect the valves and the devices for normal use. Before the primary network pipeline water of the heating network enters the plate heat exchanger, the impurities in the pipeline are filtered and removed by a Y-shaped filter.

The utility model patent with the prior application number 202221338645.2 provides a Y-shaped unpowered self-cleaning filter, which comprises a Y-shaped filter body and a filter, wherein the Y-shaped filter body comprises a main pipe and a filter pipe, a partition plate is arranged in the main pipe, the filter pipe is communicated with a pipe cavity of the main pipe, which is positioned on the left side of the partition plate, through a through hole at the partition plate, the side wall of the filter pipe is communicated with a pipe cavity of the main pipe, which is positioned on the right side of the partition plate, and the main pipe is provided with a water inlet and a water outlet; the filter is characterized in that a filter is arranged in the filter pipe, the filter comprises a hollow cylindrical frame, a filter membrane is arranged at the frame, a gland is connected with the end part of the filter pipe in a threaded manner, the filter is fixed in the filter pipe through a partition plate and the gland, a drain outlet is arranged at the gland, and a drain valve is arranged at the drain outlet. The Y-type unpowered self-cleaning filter has the beneficial effects of good cleaning effect, convenience in installation and cleaning and low use cost.

However, when the existing Y-shaped filter is applied to a heat supply pipeline, as the pressure and the temperature in the heat supply pipeline are higher, the discharge valve is directly opened for pollution discharge, so that the loss of the pressure and the hot water in the heat supply pipeline can be caused, and the brushing mechanism in the existing Y-shaped filter needs to continuously open the discharge valve for a long time to provide water flow to drive the turbine to rotate, so that the brush is driven to clean the filter, the loss of the pressure and the hot water in the heat supply pipeline can be further caused, the time consumption is long, the heat supply of residents can be influenced in the cleaning process, and the energy conservation and the environmental protection are not facilitated.

Disclosure of utility model

In view of the above, the present utility model aims to provide a Y-type filter device, so as to solve the problem that the pressure and hot water in the heating pipeline are lost and the heating of residents is affected when the existing Y-type filter is cleaned.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

The Y-shaped filtering device comprises a valve body, wherein one side of the valve body is provided with a water inlet pipe, the other side of the valve body is provided with a water outlet pipe, a filter screen cylinder for separating the water inlet pipe and the water outlet pipe is arranged in the valve body, the filter screen cylinder is obliquely arranged in the valve body, a collecting mechanism is arranged on the valve body at a position corresponding to the obliquely upper end of the filter screen cylinder, and a cleaning structure is arranged at a position corresponding to the obliquely lower end of the filter screen cylinder;

The cleaning structure comprises a volute arranged on the valve body and a rotating shaft rotationally arranged on the volute, a rotating wheel is arranged at one end of the rotating shaft extending into the volute, and a conveying screw rod matched with the filter screen barrel is arranged at one end of the rotating shaft extending into the valve body;

The collecting mechanism comprises a collecting pipe vertically arranged on the valve body, one end of the collecting pipe is communicated with the water inlet pipe, and the other end of the collecting pipe is provided with a detachable sealing cover; the collecting pipe is provided with a water diversion pipe in the middle part, one end of the water diversion pipe is communicated with the collecting pipe through a filtering piece, the other end of the water diversion pipe is communicated with the water inlet end of the volute, and the water outlet end of the volute is communicated with the water outlet pipe through a three-way valve.

Further, a concave part is arranged at the position of the valve body corresponding to the collecting pipe.

Further, the middle part of the collecting pipe is provided with a connecting pipe for connecting the water diversion pipe, the connecting pipe is obliquely arranged on the collecting pipe, one obliquely downward end of the connecting pipe is communicated with the collecting pipe, and one obliquely upward end of the connecting pipe is communicated with the water diversion pipe through a filtering piece.

Further, the spiral case is detachably installed on the valve body, and the water diversion pipe is detachably installed on the connecting pipe.

Further, the collecting pipe is provided with a containing part at a position corresponding to the lower part of the water diversion pipe, and the diameter of the containing part is larger than that of the collecting pipe.

Further, a transparent window for observing the deposition height of impurities is arranged on the collecting pipe corresponding to the position below the water diversion pipe.

Further, a locating frame is arranged in the valve body at a position corresponding to the obliquely upper end of the filter screen cylinder, and an assembly hole in running fit with the conveying screw is formed in the locating frame.

Compared with the prior art, the Y-shaped filter device provided by the utility model has the following advantages:

The Y-shaped filtering device has the advantages of simple structure, easy use and maintenance, energy conservation and environmental protection, can effectively filter impurities in a heating pipeline, can clean a filter screen cylinder without stopping, avoids the loss of pressure and heat in the heating pipeline, and has good energy conservation and environmental protection effects. Through setting up the collecting pipe on the valve body to set up the shunt tubes with spiral case intercommunication on the collecting pipe, utilize the runner rotation in rivers drive spiral case, when realizing cleaning filter screen section of thick bamboo, the collecting pipe not only can realize collecting and the deposit to impurity, and hot water can also flow to plate heat exchanger through collecting pipe, shunt tubes and spiral case continuation moreover, can not cause heating pipeline internal pressure and hydrothermal loss, has realized the continuous heat supply to resident at the clean in-process of Y type filter.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of a Y-type filtering device according to an embodiment of the present utility model;

Fig. 2 is a schematic structural view of a collecting tube in a Y-type filtering device according to an embodiment of the present utility model.

Reference numerals illustrate:

1. A valve body; 2. a filter screen cylinder; 3. a water inlet pipe; 4. a water outlet pipe; 5. a positioning frame; 6. a conveying screw; 7. a rotating shaft; 8. a volute; 9. a connecting pipe; 10. a housing part; 11. a water diversion pipe; 12. sealing cover; 13. a transparent window; 14. a three-way valve; 15. a collection pipe; 16. a filter; 17. a concave portion.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

The Y-shaped filtering device comprises a valve body 1, wherein one side of the valve body 1 is provided with a water inlet pipe 3, the other side of the valve body is provided with a water outlet pipe 4, and a filter screen barrel 2 for separating the water inlet pipe 3 from the water outlet pipe 4 is arranged in the valve body 1; the filter screen cylinder 2 is obliquely arranged in the valve body 1, a collecting mechanism is arranged on the valve body 1 corresponding to the obliquely upper end of the filter screen cylinder 2, and a cleaning structure is arranged on the valve body corresponding to the obliquely lower end of the filter screen cylinder 2. Specifically, the water inlet pipe 3 and the water outlet pipe 4 are both fixed on the valve body 1, the valve body 1 can adopt the main structure of the existing Y-shaped filter, the filter screen barrel 2 can also adopt the filter screen barrel commonly used in the existing filter, and the filter screen barrel is installed in the valve body 1 in the existing mode. Those skilled in the art may also select a suitable filter screen cylinder and its installation method according to actual needs, which will not be described herein.

The cleaning structure comprises a volute 8 arranged on the valve body 1 and a rotating shaft 7 arranged on the volute 8 in a rotating way, wherein a rotating wheel (not shown in the drawing) is arranged at one end of the rotating shaft 7 extending into the volute 8, and a conveying screw 6 matched with the filter screen barrel 2 is arranged at one end of the rotating shaft 7 extending into the valve body 1. The spiral case 8 may be a spiral case 8 structure used in the existing hydroelectric generator, and the corresponding rotating wheel may also be a rotating wheel structure used on the hydroelectric generator, so that the water flow entering the spiral case 8 can drive the rotating wheel to rotate, and then drive the rotating shaft and the conveying screw 6 to rotate.

In the practical application process, the rotating shaft 7 may be mounted on the volute 8 by a bearing or other conventional manner, and the rotating wheel may also be mounted on the rotating shaft 7 by a conventional manner. A person skilled in the art can select a suitable volute 8 mechanism according to actual needs, so as to drive the conveying screw 6 to rotate, which is not described herein. In addition, the conveying screw rod 6 can be fixed on the rotating shaft 7 through screw installation, and a person skilled in the art can select other modes to connect the conveying screw rod 6 and the rotating shaft 7 according to actual needs, so that the rotating shaft 7 can drive the conveying screw rod 6 to rotate, further cleaning of the filter screen cylinder 2 is realized, and impurities in the filter screen cylinder 2 are conveyed to a collecting mechanism mode.

The collecting mechanism comprises a collecting pipe 15 vertically arranged on the valve body 1, one end of the collecting pipe 15 is communicated with the water inlet pipe 3, and the other end of the collecting pipe is provided with a detachable sealing cover 12; the collecting pipe 15 is provided with a water diversion pipe 11 in the middle, one end of the water diversion pipe 11 is communicated with the collecting pipe 15 through a filtering piece 16, the other end of the water diversion pipe is communicated with the water inlet end of the volute 8, and the water outlet end of the volute 8 is communicated with the water outlet pipe 4 through a three-way valve 14.

The collecting pipe 15 is fixed on the valve body 1, and the sealing cover 12 and the water inlet pipe 3 can be connected through a flange so as to realize the detachable connection between the sealing cover 12 and the collecting pipe 15, and a person skilled in the art can also select other modes to install the sealing cover 12 according to actual needs, so that impurities deposited in the collecting pipe 15 can be cleaned conveniently by installing the detachable sealing cover 12.

In the practical application process, the end A of the three-way valve 14 is connected with the water outlet pipe 4, the end B is connected with the water outlet end of the volute 8, the end C can be connected with the plate heat exchanger through a pipeline, and the components can be connected through conventional flanges. When the filter screen cylinder 2 needs to be cleaned, an operator can control the end B and the end C of the three-way valve 14 to be communicated, so that hot water entering through the water inlet pipe 3 flows to the plate heat exchanger through the collecting pipe 15, the filter element 16, the water diversion pipe 11 and the volute 8, which is equivalent to skipping over the valve body 1 and the water outlet pipe 4. At this time, the water flow flowing in the volute 8 can drive the rotating wheel to rotate, so as to drive the conveying screw 6 to rotate, clean the inner wall of the filter screen barrel 2 and stir impurities in the filter screen barrel 2, so that the accumulated impurities can move towards the collecting pipe 15 under the combined action of the conveying screw 6 and the water flow, and the impurities in the filter screen barrel 2 can be deposited below the collecting pipe 15 under the interception of the filter element 16.

Through setting up collecting pipe 15 to set up on collecting pipe 15 with the distributive pipe 11 of spiral case 8 intercommunication, utilize the runner rotation in rivers drive spiral case 8, when realizing cleaning filter screen section of thick bamboo 2, collecting pipe 15 not only can realize collecting and the deposit to impurity, hot water can also flow to plate heat exchanger through collecting pipe 15, distributive pipe 11 and spiral case 8 are continuous moreover, can not cause heat supply pipeline internal pressure and hydrothermal loss, has realized the continuous heat supply to the resident at the clean in-process of Y type filter.

When the B-side and C-side of the three-way valve 14 are in communication for a period of time, such as 10 minutes, 20 minutes, or other time, one skilled in the art can select the cleaning time period according to the actual needs. Then, the operator can control the A end and the C end of the three-way valve 14 to be communicated, and at the moment, hot water entering through the water inlet pipe 3 can enter the water outlet pipe 4 after being filtered by the filter screen cylinder 2 again, so that impurities in the heat supply pipeline can be filtered continuously through the Y-shaped filter. When the heat supply period is finished or the impurities in the collecting pipe 15 are too much (when the impurity deposition height reaches the transparent window 13), operators can stop the heat supply pipeline for maintenance, and then the sealing cover 12 is detached to clean the impurities in the collecting pipe 15, so that the operation is simple and convenient, and the influence on the heat supply of residents in the heat supply period is small.

Optionally, a recess 17 is provided on the valve body 1 at a position corresponding to the collecting pipe 15. By providing the recess 17 on the valve body 1, the impurities conveyed by the conveying screw 6 are collected at the collecting pipe 15 and finally fall into the collecting pipe 15 to be collected.

Optionally, a connecting pipe 9 for connecting the water diversion pipe 11 is arranged in the middle of the collecting pipe 15, the connecting pipe 9 is obliquely arranged on the collecting pipe 15, one obliquely-downward end of the connecting pipe 9 is communicated with the collecting pipe 15, and one obliquely-upward end is communicated with the water diversion pipe 11 through a filtering piece 16. By fixing the connecting pipe 9 on the collecting pipe 15, the connecting pipe 9 is inclined, so that impurities intercepted by the filtering piece 16 are prevented from blocking the connecting pipe 9, hot water is ensured to continuously flow into the volute 8 through the connecting pipe 9 and the water diversion pipe 11, the turbine can continuously drive the conveying screw 6 to rotate, and cleaning of the filter screen barrel 2 is achieved.

In the practical application process, the volute 8 is detachably installed on the valve body 1, and the water diversion pipe 11 is detachably installed on the connecting pipe 9. For example, the scroll casing 8 may be fixed to the valve body 1 by screw mounting, and a sealing structure, such as an existing seal ring, may be provided between the scroll casing 8 and the valve body 1. Correspondingly, a sealing structure, such as a rotary seal, can be arranged between the rotating shaft 7 and the volute 8, and a person skilled in the art can select a proper sealing structure according to actual needs so as to ensure that hot water in the valve body 1 cannot leak, and the details are not repeated here. In addition, the connection pipe 9 and the water diversion pipe 11 may be connected by a flange, and a person skilled in the art may also adopt other manners to realize detachable connection between the two, which is not described herein. Through adopting detachable mode installation spiral case 8, not only be convenient for the dismantlement maintenance of spiral case 8, can also realize the change and the maintenance to filter screen section of thick bamboo 2 through dismantling spiral case 8 moreover, further reduced this kind of Y type filter equipment's the maintenance degree of difficulty.

Alternatively, the filter element 16 may be a filter screen or a filter cover, and a flange may be disposed on the filter element 16, so as to implement convenient installation of the filter element 16 on the connecting pipe 9 or the water diversion pipe 11. Other filter elements 16 and their corresponding mounting arrangements may be used by those skilled in the art and will not be described in detail herein. By arranging the filter element 16, impurities in the collecting pipe 15 can be prevented from entering the volute 8, damage to the turbine is avoided, and impurities can be prevented from entering the subsequent plate heat exchanger.

Optionally, a receiving portion 10 is provided on the collecting pipe 15 at a position corresponding to the position below the water diversion pipe 11, and the diameter of the receiving portion 10 is larger than that of the collecting pipe 15. Through setting up the accommodation portion 10 of major diameter, can improve the bearing capacity of collecting pipe 15 to impurity to extension is shut down and is overhauld the cycle, guarantees in the whole heating period and all need not shut down and overhaul because of the too much impurity in the collecting pipe 15, has further reduced the influence of clearance filter to resident's heating.

In the practical application process, a transparent window 13 for observing the deposition height of impurities is arranged on the collecting pipe 15 at a position corresponding to the lower part of the water diversion pipe 11. By way of example, the transparent window 13 may be an existing glass window, the transparent window 13 may also be fixed on the collecting pipe 15 by flange mounting, and an operator may conveniently observe the deposition height of impurities in the collecting pipe 15 through the transparent window 13, so that the collecting pipe 15 is cleaned when the impurities are deposited on the transparent window 13, and the influence of the impurity deposition on the normal water passing of the water diversion pipe 11 is avoided. Those skilled in the art may also select other transparent windows 13 and corresponding installation modes according to actual needs, which will not be described herein.

Optionally, a positioning frame 5 is arranged in the valve body 1 corresponding to the obliquely upper end of the filter screen cylinder 2, and an assembly hole in running fit with the conveying screw 6 is arranged on the positioning frame 5. Illustratively, locating rack 5 is fixed on valve body 1, through set up on locating rack 5 with conveying screw 6 normal running fit's pilot hole, be favorable to improving conveying screw 6 pivoted stability, ensure that conveying screw 6 can last stable clear up filter screen section of thick bamboo 2.

In the operation process of the filtering device, hot water before entering the plate heat exchanger can be effectively filtered through the filter screen cylinder 2, and the filter screen cylinder 2 can be effectively cleaned under the condition of no shutdown maintenance, so that the filter screen cylinder 2 can be ensured to be always and effectively used for filtering hot water in a heating device. Wherein, through the B end and the C end intercommunication of regular control three way valve 14, the hot water that gets into through inlet tube 3 can drive conveying screw 6 and rotate to the realization is to the cleanness of filter screen section of thick bamboo 2 inner wall, and makes the impurity deposit in entering collecting pipe 15 under conveying screw 6 and the drive of rivers, has realized the clearance and the collection to the impurity in the filter screen section of thick bamboo 2. And then the end A and the end C of the three-way valve 14 are controlled to be communicated, the filter screen cylinder 2 can continuously filter hot water, impurities in the collecting pipe 15 move downwards along the collecting pipe 15 to be deposited under the action of self gravity, and the impurities cannot enter the filter screen cylinder 2 again.

In addition, the filter piece 16 or the filter screen cylinder 2, such as the rotating wheel and the three-way valve 14, exist before the vulnerable structure in the Y-shaped filter device, and impurities are intercepted by the filter piece 16 or the filter screen cylinder 2, so that the service life and the reliability of the vulnerable structure can be effectively improved.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a Y type filter equipment, includes valve body (1), one side of valve body (1) is equipped with inlet tube (3), and the opposite side is equipped with outlet pipe (4), be equipped with in valve body (1) and be used for cutting off filter screen section of thick bamboo (2) of inlet tube (3) and outlet pipe (4), its characterized in that: the filter screen cylinder (2) is obliquely arranged in the valve body (1), a collecting mechanism is arranged on the valve body (1) corresponding to the obliquely upper end of the filter screen cylinder (2), and a cleaning structure is arranged corresponding to the obliquely lower end of the filter screen cylinder (2);

The cleaning structure comprises a volute (8) arranged on the valve body (1) and a rotating shaft (7) rotationally arranged on the volute (8), wherein a rotating wheel is arranged at one end of the rotating shaft (7) extending into the volute (8), and a conveying screw (6) matched with the filter screen cylinder (2) is arranged at one end of the rotating shaft (7) extending into the valve body (1);

the collecting mechanism comprises a collecting pipe (15) vertically arranged on the valve body (1), one end of the collecting pipe (15) is communicated with the water inlet pipe (3), and the other end of the collecting pipe is provided with a detachable sealing cover (12); the middle part of collecting pipe (15) is equipped with shunt tubes (11), shunt tubes (11) one end is through filter element (16) and collecting pipe (15) intercommunication, and the other end communicates with the inlet end of spiral case (8), the outlet end of spiral case (8) communicates with outlet pipe (4) through three-way valve (14).

2. A Y-type filter apparatus as claimed in claim 1, wherein: the valve body (1) is provided with a concave part (17) at a position corresponding to the collecting pipe (15).

3. A Y-type filter apparatus as claimed in claim 1, wherein: the middle part of the collecting pipe (15) is provided with a connecting pipe (9) for connecting the water diversion pipe (11), the connecting pipe (9) is obliquely arranged on the collecting pipe (15), one obliquely-downward end of the connecting pipe (9) is communicated with the collecting pipe (15), and one obliquely-upward end of the connecting pipe is communicated with the water diversion pipe (11) through a filtering piece (16).

4. A Y-type filter apparatus according to claim 3, wherein: the spiral case (8) is detachably mounted on the valve body (1), and the water diversion pipe (11) is detachably mounted on the connecting pipe (9).

5. A Y-type filter apparatus as claimed in claim 1, wherein: the collecting pipe (15) is provided with a containing part (10) at a position corresponding to the lower part of the water diversion pipe (11), and the diameter of the containing part (10) is larger than that of the collecting pipe (15).

6. A Y-type filter apparatus as claimed in claim 1, wherein: a transparent window (13) for observing the deposition height of impurities is arranged on the collecting pipe (15) at a position corresponding to the lower part of the water diversion pipe (11).

7. A Y-type filter apparatus as claimed in claim 1, wherein: the valve body (1) is internally provided with a locating frame (5) corresponding to the obliquely upper end of the filter screen cylinder (2), and the locating frame (5) is provided with an assembly hole which is in rotary fit with the conveying screw (6).