CN221014820U - Filter screen cleaning structure and plate heat exchanger - Google Patents
Filter screen cleaning structure and plate heat exchanger Download PDFInfo
- Publication number
- CN221014820U CN221014820U CN202322385160.XU CN202322385160U CN221014820U CN 221014820 U CN221014820 U CN 221014820U CN 202322385160 U CN202322385160 U CN 202322385160U CN 221014820 U CN221014820 U CN 221014820U
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- Prior art keywords
- hand
- cleaning
- filter screen
- hole
- brush
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- 238000004140 cleaning Methods 0.000 title claims abstract description 67
- 239000010865 sewage Substances 0.000 claims abstract description 23
- 238000007599 discharging Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 abstract description 6
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000008021 deposition Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to a filter screen cleaning structure and a plate heat exchanger. The filter screen cleaning structure comprises a hand-operated brush mechanism and a sewage pipeline below, wherein the hand-operated brush mechanism comprises a hand-operated brush mechanism box, a rotating shaft rod, a bearing, a hand crank and a cleaning brush, one end of the rotating shaft rod is inserted into the hand-operated brush mechanism box and is connected with the hand-operated brush mechanism box through the bearing, one end of the rotating shaft rod, which is arranged in the hand-operated brush mechanism box, is fixedly connected with the hand crank arranged outside the hand-operated brush mechanism box, and the other end of the rotating shaft rod is provided with the cleaning brush; and the sewage discharge pipeline is provided with a shutoff valve. The plate heat exchanger is provided with a filter screen cleaning structure. The utility model breaks through the problem that the traditional plate heat exchanger can not clean and discharge sewage during operation. According to the utility model, the cleaning brush can be driven by the crank to clean the filter screen, and then the sewage with impurities is discharged through the sewage discharge pipeline, so that the aim of cleaning the filter screen is fulfilled.
Description
Technical Field
The utility model relates to the technical field of heat exchange equipment, in particular to a filter screen cleaning structure and a plate heat exchanger.
Background
The working medium of the plate heat exchanger is often provided with a large amount of impurities such as sediment, rust and the like, the impurities flow along with the medium and are finally carried into a medium flow channel of the plate heat exchanger, and the impurities are finally accumulated in the medium flow channel to cause the blockage of the heat exchanger, so that the efficiency is greatly reduced and the plate heat exchanger cannot work normally. Unless removed for cleaning, there is no other way to remove these impurities from the plate heat exchanger, but the disassembly and reassembly of the plate heat exchanger is labor-and time-consuming and labor-intensive.
In order to solve the problems, the plate heat exchanger in the market at present is provided with a filter screen in a fluid channel of a cold medium inlet and a hot medium inlet, sundries are intercepted in the filter screen, and cannot enter the inside of a plate gap of the plate heat exchanger, so that the internal flow channel of the plate heat exchanger cannot be blocked. When the filter screen is blocked, the machine is stopped, the filter screen in the fluid channel is extracted and cleaned, and then the machine is reinstalled. However, due to the structural characteristics, the plate heat exchanger cannot operate while cleaning the filter screen and discharging sewage. In actual operation, the inlet and outlet valves of the plate heat exchanger are required to be manually closed, the filter screen of the plate heat exchanger is detached and then cleaned, so that the effect of cleaning the dirt in the operation process of the heat exchanger cannot be achieved, and the efficiency is low.
Disclosure of utility model
The utility model aims to provide a filter screen cleaning structure and a plate heat exchanger, which are simple in structure, can perform filter screen cleaning work in the running process of the plate heat exchanger, and are high in efficiency.
The technical scheme of the utility model is as follows:
The utility model provides a filter screen cleaning structure, includes hand brush mechanism, blow off pipeline and blind flange, it has two holes about to open on the blind flange, be wash hole and blowdown hole respectively, hand brush mechanism includes hand brush mechanism box, pivot pole, bearing, hand crank and wash brush, hand brush mechanism box and the peripheral welded connection of wash hole of blind flange, pivot pole one end passes in the blind flange inserts hand brush mechanism box to be connected with blind flange and hand brush mechanism box through the bearing, the one end that the pivot pole was arranged in hand brush mechanism box and the hand handle fixed connection who arranges in the hand brush mechanism box outside, the pivot pole other end is equipped with the cleaning brush, blowdown hole connection blowdown pipeline on the blind flange is equipped with the shut-off valve on the blow off pipeline.
The utility model has the beneficial effects that:
1. The utility model breaks through the problem that the traditional plate heat exchanger can not clean and discharge sewage during operation. According to the utility model, the cleaning brush can be driven by the crank to clean the filter screen, and then the sewage with impurities is discharged through the sewage discharge pipeline, so that the aim of cleaning the filter screen is fulfilled.
2. The utility model reduces dirt deposition in plate exchange operation and improves heat exchange effect.
3. The utility model has simple and reasonable structure, low cost and easy application and manufacture.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings may be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a front view of a plate heat exchanger with a screen washing structure according to the application.
Fig. 2 is a side view of a plate heat exchanger with a screen washing structure according to the application.
FIG. 3 is a schematic view of a filter screen cleaning structure according to the present application.
Fig. 4 is an enlarged cross-sectional view of a filter screen and brush portion of the present application.
Fig. 5 is an enlarged side view of fig. 4.
FIG. 6 is an enlarged view of a portion of a cleaning brush of the screen cleaning structure of the present application.
Reference numerals:
A hand-operated brush mechanism 1; a sewage discharge pipeline 2; a fixing plate 3; a movable plate 4; a filter screen 5; a blind flange 6; a hand brush mechanism case 11; a rotating shaft lever 12; a bearing 13; a handle 14; a cleaning brush 15; a shutoff valve 21; a bearing holder 51; a brush fixing plate 121.
Detailed Description
In order to solve the problems in the background art, the utility model provides a plate heat exchanger filter screen cleaning structure and a plate heat exchanger, and particularly relates to a structure which is improved on the basis of the original plate heat exchanger filter screen and can realize manual cleaning and pollution discharge of the plate heat exchanger filter screen. Thereby realizing that the plate heat exchanger can manually clean the filter screen and carry out blowdown in operation. The filter screen blockage caused by long-time deposition of sludge and dirt is reduced. The structure can be effectively and well applied to the system of the detachable plate heat exchanger.
The application is described in detail below with reference to the attached drawing figures:
The application comprises a filter screen cleaning structure and a plate heat exchanger with the filter screen cleaning structure.
The utility model provides a filter screen cleaning structure, includes hand brush mechanism 1, blowdown pipeline 2 and blind flange 6, it is wash hole and blowdown hole respectively to open two upper and lower holes on the blind flange 6, hand brush mechanism 1 includes hand brush mechanism box 11, pivot pole 12, bearing 13, hand crank 14 and washs brush 15, hand brush mechanism box 1 and the peripheral welded connection of wash hole of blind flange 6, pivot pole 12 one end passes the blind flange and inserts in hand brush mechanism box 11 to be connected with blind flange and hand brush mechanism box 11 through bearing 13, the one end that pivot pole 12 was arranged in hand brush mechanism box 11 and the hand crank 14 fixed connection of arranging in the hand crank mechanism box outside, the pivot pole other end is equipped with cleaning brush 15, blowdown hole on the blind flange 6 is connected blowdown pipeline 2, is equipped with shut-off valve 21 on the blowdown pipeline 2.
A plate heat exchanger comprises a fixed plate 3, a movable plate 4, heat exchange plates between the fixed plate 3 and the movable plate 4, and a filter screen 5 arranged in upper and lower fluid channels (channels formed by angle holes of all plates) of the heat exchange plates. Still include filter screen cleaning structure, filter screen cleaning structure includes hand brush mechanism 1, blowdown pipeline 2 and blind flange 6, it is wash hole and blowdown hole respectively to open two upper and lower holes on the blind flange 6, hand brush mechanism 1 includes hand brush mechanism box 11, pivot pole 12, bearing 13, hand crank 14 and cleaning brush 15, hand brush mechanism box 1 and the peripheral welded connection of wash hole of blind flange 6, pivot pole 12 one end passes the blind flange and inserts in hand brush mechanism box 11 to be connected with blind flange and hand brush mechanism box 11 through bearing 13, the one end that pivot pole 12 was arranged in hand brush mechanism box 11 and the hand crank 14 fixed connection of arranging in hand brush mechanism box outside, the pivot pole other end is equipped with cleaning brush 15.
The blind flange 6 of the filter screen cleaning structure is connected with the position of the angle hole corresponding to the cold side medium and the hot side medium inlet on the outer side of the movable plate 4 through bolts, the cleaning hole is formed in the position of the movable plate 4 corresponding to the angle hole, the cleaning hole on the movable plate corresponds to the cleaning hole on the blind flange, one end of a rotating shaft rod with a cleaning brush 15 is inserted into the cleaning hole and the filter screen 5, and the rotating shaft rod 12 is connected with bearings at two ends of the filter screen 5. A drain hole is formed in the movable plate and the blind flange at the lower side of the hand-operated brush mechanism box, the drain hole is connected with a drain pipeline 2, and a shutoff valve 21 is arranged on the drain pipeline 2. The cleaning holes and the sewage discharging holes on the blind flange correspond to the corner holes. During operation, the hand crank is rocked to drive the connecting rod and the cleaning brush to brush the filter screen, the shutoff valve is opened after the filter screen is brushed, the sewage mixed with sundries is discharged through the sewage discharge pipeline, and the shutoff valve is closed, so that the filter screen is cleaned. The application has simple structure, adopts the hole opening at the side corner hole of the movable plate of the plate heat exchanger, and is additionally provided with the hand-operated brush mechanism, thereby realizing the manual shaking of the crank handle of the plate heat exchanger during operation, cleaning dirt on the surface layer of the filter screen of the plate heat exchanger and discharging sewage.
The two ends of the filter screen 5 are provided with bearing fixing frames 51, and the center of the bearing fixing frame 51 is provided with a bearing and a bearing seat for fixing the rotating shaft rod 12. A brush fixing plate 121 is mounted on the rotation shaft lever 12, and the brush fixing plate 121 is connected to the brush 15 by bolts. The brush fixing plate 121 may be plural in number, but an increase in the number affects the flow of the medium. And most preferably, two brush fixing plates 121 are symmetrically arranged by taking the rotating shaft rod 12 as a center, wherein one part of one brush fixing plate facing outwards is provided with a cleaning brush, and the other part of the other brush fixing plate 121 facing inwards is provided with a cleaning brush. The length of the cleaning brushes on the two brush fixing plates is preferably equal to the length of one brush fixing plate, namely the length of the filter screen. The arrangement mode can play a role in cleaning the filter screen, does not influence the flow of the medium, and ensures the normal operation of the heat exchanger.
The using process comprises the following steps:
A cleaning hole is formed in the positions of a hot medium inlet and a cold medium inlet of a movable plate of the plate heat exchanger, a blind flange is arranged, the blind flange is provided with the cleaning hole, a hand-operated brush mechanism is arranged on the blind flange, a drain outlet is formed in the lower side of the hand-operated brush mechanism on the blind flange, and a drain pipe is led out (the size of a drain hole is determined by the size of a viewing angle hole). In operation, the handle is turned to make the cleaning brush rotate in the filter screen and clean dirt on the filter screen, and the shutoff valve is opened to discharge sewage from the sewage drain pipe, so that the aim of cleaning the filter screen is fulfilled.
The utility model and its embodiments have been described above by way of illustration and not limitation, and the utility model is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the technical matter according to the present utility model does not creatively design and implement similar structural ways and implementations to the above implementation examples, which are all included in the protection scope of the present utility model.
Claims (5)
1. A filter screen washs structure, its characterized in that:
comprises a hand-operated brush mechanism, a sewage discharge pipeline and a blind flange,
The blind flange is provided with an upper hole and a lower hole which are respectively a cleaning hole and a sewage discharging hole,
The hand-operated brush mechanism comprises a hand-operated brush mechanism box, a rotating shaft rod, a bearing, a hand crank and a cleaning brush, wherein the hand-operated brush mechanism box is welded with the periphery of a cleaning hole of a blind flange, one end of the rotating shaft rod penetrates through the blind flange and is inserted into the hand-operated brush mechanism box and is connected with the blind flange and the hand-operated brush mechanism box through the bearing, one end of the rotating shaft rod, which is arranged in the hand-operated brush mechanism box, is fixedly connected with the hand crank arranged outside the hand-operated brush mechanism box, the cleaning brush is arranged at the other end of the rotating shaft rod, a sewage draining hole on the blind flange is connected with a sewage draining pipeline, and a shutoff valve is arranged on the sewage draining pipeline.
2. The utility model provides a plate heat exchanger, includes fixed plate, fly leaf, the heat transfer board between fixed plate and the fly leaf, is equipped with filter screen, its characterized in that in heat transfer board upper portion and lower part fluid passage: the filter screen cleaning structure comprises a hand-operated brush mechanism, a sewage discharge pipeline and a blind flange,
The blind flange is provided with an upper hole and a lower hole which are respectively a cleaning hole and a sewage discharging hole,
The hand-operated brush mechanism comprises a hand-operated brush mechanism box, a rotating shaft rod, a bearing, a hand crank and a cleaning brush, wherein the hand-operated brush mechanism box is welded with the periphery of a cleaning hole of the blind flange;
The method comprises the steps that a blind flange is connected to the outer side of a movable plate at the position corresponding to the corner holes of a cold side medium inlet and a hot side medium inlet through bolts, cleaning holes are formed in the movable plate at the positions corresponding to the corner holes, the cleaning holes in the movable plate correspond to the cleaning holes in the blind flange, one end of a rotating shaft rod with a cleaning brush is inserted into the cleaning holes and a filter screen, and the rotating shaft rod is connected with bearings at two ends of the filter screen;
A drain hole is formed in the movable plate and the blind flange at the lower side of the hand-operated brush mechanism box, the drain hole is connected with a drain pipeline, a shut-off valve is arranged on the drain pipeline, and a cleaning hole and a drain hole formed in the blind flange correspond to the corner hole.
3. A plate heat exchanger according to claim 2, wherein: the two ends of the filter screen are provided with bearing fixing frames, and the centers of the bearing fixing frames are provided with bearings and bearing seats.
4. A plate heat exchanger according to claim 3, wherein: a brush fixing plate is fixed on the rotating shaft rod and is connected with a cleaning brush through a bolt.
5. A plate heat exchanger according to claim 4, wherein: the brush fixing plates are symmetrically arranged by taking the rotating shaft rod as a center, one part of one brush fixing plate facing outwards is provided with a cleaning brush, and the other part of the other brush fixing plate facing inwards is provided with a cleaning brush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322385160.XU CN221014820U (en) | 2023-09-01 | 2023-09-01 | Filter screen cleaning structure and plate heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322385160.XU CN221014820U (en) | 2023-09-01 | 2023-09-01 | Filter screen cleaning structure and plate heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221014820U true CN221014820U (en) | 2024-05-28 |
Family
ID=91178425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322385160.XU Active CN221014820U (en) | 2023-09-01 | 2023-09-01 | Filter screen cleaning structure and plate heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221014820U (en) |
-
2023
- 2023-09-01 CN CN202322385160.XU patent/CN221014820U/en active Active
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