Inclined suction type filter screen water inlet tank for heat exchanger
By setting an inclined end in the filter inlet tank, the problem of easy blockage of the filter net in the prior art is solved, and the effect of reducing the probability of blockage and cleaning frequency is achieved.
Patent Information
- Application Number
- CN202421638267.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-11
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-07-11
AI Technical Summary
The vertical setting of the existing filter screen causes fine sand and gravel and other debris to stick to the lower half of the filter screen under the action of gravity and the suction force of the water pump, which can easily cause blockage and affect the normal water absorption of the water pump, and requires high-frequency inspection and cleaning.
A slanted pumping filter water inlet tank is designed, one side of the side plate is set as an inclined end, and the filter is tilted and slidingly inserted into the slot, and the angle between the inclined end and the bottom plate is 30°-60° to prevent the accumulation of fine sand and gravel and reduce the probability of blockage.
The filter mesh that is inclined can be better fit on the box, avoiding the accumulation and blockage of fine sand and gravel at the bottom of the filter mesh, reducing the frequency of inspection and cleaning of staff.
Smart Images
Figure CN222881787U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of filter water boxes for heat exchangers, in particular to an oblique-drawn filter screen water inlet box for a heat exchanger. Background Art
[0002] As one of the indispensable and important equipment in industrial production, heat exchanger is widely used in chemical, petroleum, pharmaceutical, energy and other industrial fields. Evaporative cooling equipment such as evaporative cooling and closed tower are highly respected for their excellent cooling performance. The circulating water tank is a necessary component of evaporative cooling equipment, and the water pump inlet filter device (i.e. the filter inlet tank) is an important item for daily maintenance and inspection of the equipment.
[0003] Most of the filter water inlet boxes in the prior art set the filter vertically. Small sand and gravel and other debris will adhere to the lower half of the filter under the action of gravity and the suction of the water pump, which can easily cause blockage in the lower part of the filter. Once the filter is blocked, it will affect the normal water absorption of the water pump and may even cause damage to the water pump. The staff needs to check and clean the filter water inlet box frequently to prevent the filter from being blocked. Utility Model Content
[0004] In view of the fact that the above-mentioned existing filter screen is arranged vertically, small sand and gravel and other debris will adhere to the lower part of the filter screen under the action of gravity and water pump suction, which may easily cause the lower part of the filter screen to be blocked, the present utility model is proposed.
[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: an inclined filter screen water inlet box for a heat exchanger, comprising a box body, the box body comprising two sets of side panels, the two sets of side panels are arranged in parallel, a top plate and a bottom plate are arranged between the two sets of side panels, the side panels are in the shape of a right-angled trapezoid, the width of the upper end of the side panels is less than the width of the lower end, one side of the side panels is an inclined end, and the other side of the side panels is a vertical end, the upper and lower ends of the side panels are respectively movably connected with the top plate and the bottom plate, the inclined ends of the two sets of side panels are provided with card slots, and a filter screen is slidably inserted in the card slots, and a support plate is provided on the side of the bottom plate close to the inclined end, and the support plate is arranged perpendicular to the card slot. The side panels can be movably connected to the top plate and the bottom plate by bolts, or they can be fixedly connected by welding, the card slot is Z-shaped, which is convenient for installation on the inclined end to have space for sliding and inserting the filter screen, and the support plate provides support for the filter screen.
[0006] Preferably, the vertical end of the side panel and the side of the top panel close to the vertical end are both provided with folded edges.
[0007] Preferably, the folded edge is provided with a plurality of disassembly holes which are evenly spaced. After the water pump is inserted from the vertical end, it is convenient to fix it with other panels of the equipment through the folded edge and the disassembly holes to cover the water inlet of the water pump.
[0008] Preferably, the angle between the filter screen and the bottom plate is determined by the angle between the inclined end and the bottom plate, and the angle between the inclined end and the bottom plate is 30°-60°. Compared with the vertically arranged filter screen, it can better fit on the inclined end and can also prevent fine sand and gravel from accumulating and clogging at the bottom of the filter screen.
[0009] Preferably, the filter screen is made of stainless steel. The overall area and number of holes of the filter screen can be adjusted according to the water quality and the size of the water pump suction port. The use of stainless steel can improve durability.
[0010] Preferably, the folded edge is made by a sheet metal bending process.
[0011] Preferably, the card slot is made by a sheet metal bending process.
[0012] Preferably, the side panels, top panel and bottom panel are all made by a sheet metal bending process.
[0013] Beneficial effects of the utility model:
[0014] By setting one side of the side panel as an inclined end, the angle between the inclined end and the bottom plate determines the angle between the filter screen and the bottom plate, and the filter screen is tilted and slidably inserted into the card slot to block the inclined end of the box. Compared with the vertically arranged filter screen, it can better fit on the box body, and block and filter fine sand and gravel. At the same time, after being blocked, the fine sand and gravel will move along the bottom of the inclined end to one side of the filter screen, reducing the probability of sand and gravel concentrating and clogging the bottom of the filter screen, and reducing the frequency of inspection and cleaning by staff. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:
[0016] Figure 1 It is a schematic diagram of the structure of the utility model;
[0017] Figure 2 This is a structural schematic diagram of the utility model from another viewing angle.
[0018] Description of reference numerals:
[0019] 1. Box body; 101. Side panel; 102. Top panel; 103. Bottom panel; 2. Inclined end; 3. Vertical end; 4. Card slot; 5. Filter screen; 6. Support plate; 7. Folded edge; 8. Disassembly hole. DETAILED DESCRIPTION
[0020] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.
[0021] Reference Figure 1-2 , which is an embodiment of the utility model, provides an oblique-drawing filter screen water inlet box for a heat exchanger, wherein the oblique-drawing filter screen water inlet box for a heat exchanger comprises a box body 1, wherein the box body 1 comprises two sets of side panels 101, wherein the two sets of side panels 101 are arranged in parallel, and a top panel 102 and a bottom panel 103 are arranged between the two sets of side panels 101, and the side panels 101 are in the shape of a right-angled trapezoid, wherein the width of the upper end of the side panels 101 is less than the width of the lower end thereof, and one side of the side panels 101 is an inclined end 2, and the other side of the side panels 101 is a vertical end 3, and the upper and lower ends of the side panels 101 are movably connected with the top panel 102 and the bottom panel 103 respectively, and a card slot 4 is arranged on the inclined end 2 of the two sets of side panels 101, and a filter screen 5 is slidably inserted in the card slot 4, and a support plate 6 is arranged on the side of the bottom panel 103 close to the inclined end 2, and the support plate 6 is arranged vertically with the card slot 4. The side plate 101 and the top plate 102 and the bottom plate 103 can be movably connected by bolts or fixedly connected by welding. The slot 4 is Z-shaped, which is convenient for installation on the inclined end 2 and has space for sliding and inserting the filter 5. The support plate 6 provides support for the filter 5.
[0022] The vertical end 3 of the side plate 101 and the side of the top plate 102 close to the vertical end 3 are both provided with a folded edge 7 .
[0023] A plurality of disassembly holes 8 are arranged on the folded edge 7, and the plurality of disassembly holes 8 are distributed at equal intervals. After the water pump is put in from the vertical end 3, it is convenient to fix with other panels of the equipment through the folded edge 7 and the disassembly holes 8 to cover the water inlet of the water pump.
[0024] The angle between the filter screen 5 and the bottom plate 103 is determined by the angle between the inclined end 2 and the bottom plate 103, and the angle between the inclined end 2 and the bottom plate 103 is 30°-60°. Compared with the vertical arrangement, the filter screen 5 can be better fitted on the box body 1, and can also prevent fine sand and gravel from accumulating and clogging at the bottom of the filter screen 5.
[0025] The material of the filter screen 5 is stainless steel. The overall area and the number of holes of the filter screen 5 can be adjusted according to the water quality and the size of the water pump suction port. The use of stainless steel can improve durability.
[0026] The folded edge 7 is made by a sheet metal bending process.
[0027] The card slot 4 is made by a sheet metal bending process.
[0028] The side panels 101 , the top panel 102 and the bottom panel 103 are all made by a sheet metal bending process.
[0029] During use, the water pump is inserted from the vertical end 3, and is conveniently fixed to other panels of the equipment through the folded edge 7 and the disassembly hole 8 to cover the water inlet of the water pump. The overall area and the number of holes of the filter 5 can be adjusted according to the water quality and the size of the water pump suction port. After starting work, the filter 5 obliquely inserted into the slot 4 can block and filter fine sand and gravel. Compared with the vertically arranged filter 5, it can better fit on the box body 1, and can also prevent fine sand and gravel from accumulating and clogging at the bottom of the filter 5, thereby reducing the probability of clogging and the frequency of inspection and cleaning by staff.
[0030] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.
Claims
1. An oblique-drawing filter screen water inlet box for a heat exchanger, comprising a box body (1), wherein the box body (1) comprises two sets of side plates (101), the two sets of side plates (101) are arranged in parallel, and a top plate (102) and a bottom plate (103) are arranged between the two sets of side plates (101), characterized in that: The side panels (101) are in the shape of a right-angled trapezoid. The width of the upper end of the side panels (101) is smaller than the width of the lower end. One side of the side panels (101) is an inclined end (2), and the other side of the side panels (101) is a vertical end (3). The upper and lower ends of the side panels (101) are movably connected to the top panel (102) and the bottom panel (103), respectively. The inclined ends (2) of the two sets of side panels (101) are both provided with a card slot (4), and a filter screen (5) is slidably inserted into the card slot (4). A support plate (6) is provided on one side of the bottom panel (103) close to the inclined end (2), and the support plate (6) is arranged perpendicular to the card slot (4).
2. The oblique-drawing filter screen water inlet box for a heat exchanger according to claim 1, characterized in that: The vertical end (3) of the side plate (101) and the side of the top plate (102) close to the vertical end (3) are both provided with folded edges (7).
3. The oblique-drawing filter screen water inlet box for a heat exchanger according to claim 2, characterized in that: The folded edge (7) is provided with a plurality of disassembly holes (8), and the plurality of disassembly holes (8) are distributed at equal intervals.
4. The oblique-drawing filter screen water inlet box for a heat exchanger according to claim 1, characterized in that: The included angle between the filter screen (5) and the bottom plate (103) is determined by the included angle between the inclined end (2) and the bottom plate (103), and the included angle between the inclined end (2) and the bottom plate (103) is 30°-60°.
5. The oblique-drawing filter screen water inlet box for a heat exchanger according to claim 4, characterized in that: The filter screen (5) is made of stainless steel.
6. The oblique-drawing filter screen water inlet box for a heat exchanger according to claim 3, characterized in that: The folded edge (7) is made by a sheet metal bending process.
7. The oblique-drawing filter screen water inlet box for a heat exchanger according to claim 1, characterized in that: The card slot (4) is made by a sheet metal bending process.
8. The oblique-drawing filter screen water inlet box for a heat exchanger according to claim 1, characterized in that: The side panels (101), the top panel (102) and the bottom panel (103) are all made by a sheet metal bending process.