Plate sheet cleaning device of plate heat exchanger

Abstract

The utility model discloses a plate cleaning device of a plate heat exchanger, which comprises a supporting mechanism, a cleaning mechanism and a filtering mechanism, the cleaning mechanism and the filtering mechanism are arranged at the top of the supporting mechanism, the supporting mechanism comprises a cleaning table, and the bottom of the cleaning table is fixedly connected with a base. A rotating shaft is rotationally connected to the lower portion of the interior of the U-shaped frame, and one end of the rotating shaft extends to the front side of the exterior of the U-shaped frame and is fixedly connected with a first motor. The device has the advantage of efficient cleaning, and solves the problems that an existing cleaning device generally uses a fixedly-designed spray head to clean the surface of the plate heat exchanger, but the fixedly-designed spray head is not ideal in cleaning effect on the surface of the plate heat exchanger, the fixedly-designed spray head may not cover the surfaces of all plates, and the cleaning effect is poor. The problem that cleaning dead corners exist due to the fact that cleaning is not conducted through a groove or a gap in an edge area or a complex design structure is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to plate heat exchanger technical field, concretely to a plate heat exchanger's plate piece cleaning device. BACKGROUND

[0002] Plate heat exchanger is by a series of having certain corrugated shape's metal sheet stack and form a kind of high-efficiency heat exchanger, various plate piece between thin rectangular channel is formed, and heat exchange is carried out through plate piece, plate heat exchanger is liquid-liquid, liquid-vapor and carries out the ideal equipment of heat exchange.It has high heat exchange efficiency, small heat loss, compact structure, small footprint, wide application, long service life and other characteristics.Under the condition of same pressure loss, its heat transfer coefficient is 3-5 times higher than that of tube heat exchanger, and the footprint is one third of that of tube heat exchanger, and heat recovery rate can be up to 90% or more, the type of plate heat exchanger mainly has frame type (detachable) and brazing type two categories, and the plate piece form mainly has three kinds of herringbone corrugated plate, horizontal straight corrugated plate and nodule plate piece.

[0003] In order to ensure the heat dissipation efficiency of heat exchanger, the heat exchanger needs to be cleaned regularly, and the existing cleaning device generally uses fixed design spray head to clean the surface of plate heat exchanger, but the cleaning effect of fixed design spray head on the surface of plate heat exchanger is not ideal, and the fixed spray head may not cover all the surface of plate piece, especially the edge area or the recess and gap in the more complex design structure, resulting in the existence of cleaning dead angle. UTILITY MODEL CONTENTS

[0004] The utility model discloses a plate heat exchanger's plate piece cleaning device has the advantages of efficient cleaning, solves the existing cleaning device generally uses fixed design spray head to clean the surface of plate heat exchanger, but the cleaning effect of fixed design spray head on the surface of plate heat exchanger is not ideal, and the fixed spray head may not cover all the surface of plate piece, especially the edge area or the recess and gap in the more complex design structure, resulting in the existence of cleaning dead angle problem.

[0005] To achieve the above object, the utility model provides the following technical scheme: a plate heat exchanger's plate piece cleaning device, including support mechanism and setting at its top cleaning mechanism and filter mechanism, the support mechanism includes cleaning table, the cleaning table bottom fixed connection has base:

[0006] The cleaning mechanism comprises a U-shaped frame fixedly arranged at the left side of the top of the cleaning table, a rotating shaft rotatably connected to the inside of the U-shaped frame, a first motor fixedly connected to the outside of the front side of the U-shaped frame and extending from one end of the rotating shaft, a fixing sleeve fixedly sleeved on the surface of the rotating shaft, a plurality of clamping plates arranged in a circumferential array on the circumferential surface of the fixing sleeve, and a plurality of plate heat exchangers connected between the opposite sides of the clamping plates.

[0007] The filtering mechanism comprises a filtering box arranged at the right side of the inside of the cleaning table, and a water suction pipe fixedly connected to the left side of the filtering box and provided with a plurality of filtering plates at equal intervals in the inside of the water suction pipe.

[0008] As a kind of plate heat exchanger's plate piece cleaning device of the utility model, the top left side of the cleaning table is provided with a water storage pool, the right side of the inside of the cleaning table is provided with an installation cavity, the installation cavity is provided with the filtering box, the right side of the filtering box is fixedly connected with the left side of the water suction pipe, the top right side of the cleaning table is slidably connected with a cover plate, and the top of the cover plate is fixedly connected with a handle.

[0009] As a kind of plate heat exchanger's plate piece cleaning device of the utility model, the clamping plate is screw-connected with a positioning bolt, and the positioning bolt is extended to the inside of the clamping plate and is attached to the front and rear surfaces of the plate heat exchanger at the end close to each other.

[0010] As a kind of plate heat exchanger's plate piece cleaning device of the utility model, the top center of the inner wall of the U-shaped frame is fixedly connected with a fixed water pipe, rotating water pipes are correspondingly arranged on the left and right sides of the fixed water pipe, the two rotating water pipes are rotatably arranged on the top of the inner wall of the U-shaped frame, and the fixed water pipe and the rotating water pipes are fixedly connected with a plurality of spray heads at the bottom.

[0011] As a kind of plate heat exchanger's plate piece cleaning device of the utility model, the side close to each other of the rotating water pipe is rotatably connected with a connecting rod, the end of the connecting rod away from the rotating water pipe is extended to above the U-shaped frame and is rotatably connected with a threaded sleeve, the top of the U-shaped frame is provided with an opening, and the inner wall of the opening is slidably connected with the two connecting rods.

[0012] As a kind of plate heat exchanger's plate piece cleaning device of the utility model, the top of the U-shaped frame is rotatably connected with a bidirectional threaded rod, the surface of the bidirectional threaded rod is threadedly connected with the inner wall of the threaded sleeve, the inner wall of the threaded sleeve is slidably connected with a limiting rod, and the limiting rod is fixedly arranged at the back side of the top of the U-shaped frame.

[0013] As a kind of plate heat exchanger plate cleaning device of the utility model, preferably, the one end of the bidirectional threaded rod is fixedly provided with first bevel gear, the first bevel gear side is hingedly connected with second bevel gear, the second bevel gear inner wall is fixedly connected with second motor, and the second motor is fixedly arranged on the top of the U-shaped frame.

[0014] As a kind of plate heat exchanger plate cleaning device of the utility model, preferably, the filter mechanism further includes the first connecting pipe arranged on the rear side of the U-shaped frame, the rotating water pipe is rotatably connected to the both ends of the front side of the first connecting pipe, the second connecting pipe is fixedly connected to the center of the first connecting pipe, the fixed water pipe is fixedly connected to the front side of the second connecting pipe, the water delivery pipe is fixedly connected to the bottom of the first connecting pipe, the water pump water outlet end is fixedly connected to the other end of the water delivery pipe, the bottom of the water pump is fixedly connected to the top of the base, and the water pump water suction end extends to the inside of the cleaning table and is fixedly connected to the right side of the filter box.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1、when the heat exchanger needs to be cleaned, first, the plate to be cleaned is fixed on the fixed sleeve through the clamping plate, the first motor is started, the rotating shaft is driven to rotate, so that the plate heat exchanger rotates together with the rotating shaft, in the process of rotation, the fixed water pipe and the rotating water pipe can be used to spray cleaning liquid to the plate heat exchanger, after cleaning, the water containing impurities flows into the filter box, is filtered through the filter plate, and is then discharged through the water suction pipe, so that the cleaning water can be recycled or discharged.

[0017] 2、the design of the fixed water pipe and the rotating water pipe can cover every corner of the plate heat exchanger, ensure that each area can be fully cleaned, the rotating water pipe can adjust the angle according to the needs, so that the spray head can be directional spraying according to different cleaning needs, the device makes the cleaning process more efficient and comprehensive, and improves the flexibility and adaptability of the cleaning device, through the combined use of the fixed water pipe and the rotating water pipe, the plate heat exchanger can be effectively cleaned, and the heat dissipation efficiency is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the three-dimensional view of the utility model;

[0019] Figure 2 It is the rear view of the utility model;

[0020] Figure 3 It is the structural schematic view of the supporting mechanism of the utility model;

[0021] Figure 4 It is the structural schematic view of the cleaning mechanism of the utility model;

[0022] Figure 5 It is structural schematic view of the filtering mechanism of the utility model.

[0023] In the figure: 100, support mechanism; 101, cleaning table; 102, base; 103, water storage tank; 104, installation cavity; 105, cover plate; 106, handle; 200, cleaning mechanism; 201, U-shaped frame; 202, rotating shaft; 203, first motor; 204, fixed sleeve; 205, clamping plate; 206, plate heat exchanger; 207, positioning bolt; 208, fixed water pipe; 209, rotating water pipe; 210, spray head; 211, connecting rod; 212, threaded sleeve; 213, bidirectional threaded rod; 214, limiting rod; 215, first bevel gear; 216, second bevel gear; 217, second motor; 300, filtering mechanism; 301, first connecting pipe; 302, second connecting pipe; 303, water delivery pipe; 304, water pump; 305, filtering box; 306, water suction pipe; 307, filter plate. DETAILED DESCRIPTION

[0024] Please refer to Figures 1-5 A plate heat exchanger plate cleaning device, including support mechanism 100 and the cleaning mechanism 200 and the filtering mechanism 300 arranged at its top, support mechanism 100 includes cleaning table 101, cleaning table 101 bottom fixedly connected with base 102:

[0025] Cleaning table 101 is the basic platform of the whole cleaning device, used to carry all components needed in the cleaning process, base 102 is fixed at the bottom of cleaning table 101, used to stabilize the whole device, prevent shaking or displacement caused by water flow impact or other external forces during cleaning.

[0026] Further, the cleaning mechanism 200 includes the U-shaped frame 201 fixedly arranged at the top left side of the cleaning table 101, the rotating shaft 202 is rotatably connected inside and below the U-shaped frame 201, one end of the rotating shaft 202 extends to the front side outside the U-shaped frame 201 and is fixedly connected with the first motor 203, the fixed sleeve 204 is fixedly sleeved on the front and rear sides of the surface of the rotating shaft 202, the circular surface of the fixed sleeve 204 is circumferentially arranged with a plurality of clamping plates 205, and the clamping plates 205 are connected with a plurality of plate heat exchangers 206 between the opposite sides.

[0027] Further, the filtering mechanism 300 includes the filtering box 305 arranged at the right side inside the cleaning table 101, the water suction pipe 306 is fixedly connected to the left side of the filtering box 305, and a plurality of filter plates 307 are equidistantly arranged inside the water suction pipe 306.

[0028] When the heat exchanger needs to be cleaned, first, the plate to be cleaned is fixed on the fixed sleeve 204 through the clamping plate 205, the first motor 203 is started, the rotating shaft 202 is driven to rotate, so that the plate heat exchanger 206 rotates with the rotating shaft 202, and in the process of rotation, the cleaning liquid can be sprayed to the plate heat exchanger 206 through the fixed water pipe 208 and the rotating water pipe 209, after cleaning, the water containing impurities flows into the filter box 305, is filtered through the filter plate 307, and then is discharged through the water suction pipe 306, so that the recycling or discharge of the cleaning water is realized.

[0029] Further, the water storage tank 103 is arranged on the left side of the top of the cleaning table 101, the installation cavity 104 is arranged on the right side of the inside of the cleaning table 101, the filter box 305 is arranged in the installation cavity 104, the filter box 305 is fixedly connected with the left side of the water suction pipe 306, the cover plate 105 is slidably connected with the right side of the top of the cleaning table 101, and the handle 106 is fixedly connected with the top of the cover plate 105.

[0030] The water storage tank 103 is arranged on the left side of the top of the cleaning table 101, is used for storing the cleaned water, the cover plate 105 can be opened or closed through sliding, the cover plate 105 is used for protecting the internal components, and also facilitates opening and operating or checking when needed, the handle 106 facilitates an operator to open or close the cover plate 105, and the design of the handle 106 makes the operation more convenient.

[0031] Further, the positioning bolt 207 is threadedly connected with the clamping plate 205, and the positioning bolt 207 extends to the inside of the clamping plate 205 and is attached to the front and back surfaces of the plate heat exchanger 206 at the ends close to each other.

[0032] The positioning bolt 207 is threadedly connected with the clamping plate 205, and when the positioning bolt 207 is tightened, the end portion can be tightly attached to the front and back surfaces of the plate heat exchanger 206, so that the displacement of the plate heat exchanger 206 in the cleaning process is prevented due to water flow impact or other external force.

[0033] Further, the fixed water pipe 208 is fixedly connected with the top center of the inner wall of the U-shaped frame 201, the rotating water pipes 209 are arranged on the left and right sides of the fixed water pipe 208, the two rotating water pipes 209 are rotatably arranged on the top of the inner wall of the U-shaped frame 201, and the fixed water pipe 208 and the rotating water pipes 209 are fixedly connected with a plurality of spray heads 210 at the bottom.

[0034] Through the design of the fixed water pipe 208 and the rotating water pipe 209, the spray head 210 can cover every corner of the plate heat exchanger 206, ensuring that each area can be fully cleaned. The rotating water pipe 209 can adjust the angle as needed, so that the spray head 210 can be directed to different cleaning needs. The device makes the cleaning process more efficient and comprehensive, and also improves the flexibility and adaptability of the cleaning device. Through the combined use of the fixed water pipe 208 and the rotating water pipe 209, effective cleaning of the plate heat exchanger 206 can be achieved, ensuring its heat dissipation efficiency.

[0035] Further, the rotating water pipes 209 are rotatably connected to the connecting rods 211 on one side close to each other. The connecting rods 211 extend to the upper side of the U-shaped frame 201 away from the rotating water pipes 209 and are rotatably connected to the threaded sleeves 212. The U-shaped frame 201 is provided with an opening at the top, and the inner wall of the opening is slidably connected between the two connecting rods 211.

[0036] The connecting rods 211 serve to transmit rotary motion, so that the rotating water pipes 209 can rotate following the movement of the connecting rods 211. The design of the threaded sleeves 212 allows the position of the connecting rods 211 to be adjusted by rotating, thereby indirectly adjusting the angle of the rotating water pipes 209.

[0037] Further, the U-shaped frame 201 is rotatably connected to the bidirectional threaded rod 213 at the top. The surface of the bidirectional threaded rod 213 is threadedly connected to the inner wall of the threaded sleeve 212. The inner wall of the threaded sleeve 212 is slidably connected to the limiting rod 214, which is fixedly arranged at the top of the rear side of the U-shaped frame 201.

[0038] The design of the bidirectional threaded rod 213 allows the two rotating water pipes 209 to adjust the angle synchronously, ensuring that the angles of the two spray heads 210 are consistent and improving the uniformity of cleaning. The limiting rod 214 ensures that the threaded sleeve 212 can only move in a straight line, avoiding unstable factors caused by rotation and improving the stability of the system.

[0039] Further, the first bevel gear 215 is fixedly sleeved at one end of the bidirectional threaded rod 213. The first bevel gear 215 is meshingly connected to the second bevel gear 216 on one side. The second bevel gear 216 is fixedly connected to the inner wall of the second motor 217. The second motor 217 is fixedly arranged at the top of the U-shaped frame 201.

[0040] When it is necessary to adjust the angle of the spray head 210, the second motor 217 is started, the second motor 217 drives the second bevel gear 216 to rotate, the rotation of the second bevel gear 216 is transmitted to the bidirectional threaded rod 213 through the meshing of the first bevel gear 215, the rotation of the bidirectional threaded rod 213 will cause the two threaded sleeves 212 threaded with it to move axially, due to the presence of the limiting rod 214, the threaded sleeve 212 can only move along the horizontal direction of the limiting rod 214, the horizontal movement of the threaded sleeve 212 is transmitted to the rotating water pipe 209 through the connecting rod 211, so as to adjust the angle of the rotating water pipe 209, the change of the angle of the rotating water pipe 209 finally affects the angle of the spray head 210, so that the spray head 210 can adjust the spraying direction as needed.

[0041] Further, the filtering mechanism 300 further comprises a first connecting pipe 301 arranged at the rear side of the U-shaped frame 201, both ends of the front side of the first connecting pipe 301 are rotationally connected with the rotating water pipe 209, the center of the first connecting pipe 301 is fixedly connected with a second connecting pipe 302, the front side of the second connecting pipe 302 is fixedly connected with the fixed water pipe 208, the bottom of the first connecting pipe 301 is fixedly connected with a water conveying pipe 303, the other end of the water conveying pipe 303 is fixedly connected with the water outlet end of a water pump 304, the bottom of the water pump 304 is fixedly connected with the top of the base 102, and the water suction end of the water pump 304 extends into the inside of the cleaning table 101 and is fixedly connected with the right side of a filtering box 305.

[0042] The waste water generated in the cleaning process flows into the filtering box 305, the waste water is filtered by the filter plate 307 in the filtering box 305 to remove impurities, the filtered cleaning liquid enters the water pump 304 through the water suction pipe 306, the water pump 304 conveys the filtered cleaning liquid to the first connecting pipe 301 through the water conveying pipe 303, the cleaning liquid is conveyed to the fixed water pipe 208 through the second connecting pipe 302, is conveyed to the rotating water pipe 209 through the first connecting pipe 301, and is finally sprayed onto the plate heat exchanger through the spray head 210.

[0043] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A plate heat exchanger plate cleaning device, comprising a support mechanism (100) and a cleaning mechanism (200) and a filtering mechanism (300) arranged on top thereof, the support mechanism (100) comprising a cleaning table (101), the bottom of the cleaning table (101) being fixedly connected with a base (102), characterized in that: the cleaning mechanism (200) comprises a U-shaped frame (201) fixedly arranged on the top left side of the cleaning table (101), a rotating shaft (202) being rotatably connected to the inside lower part of the U-shaped frame (201), one end of the rotating shaft (202) extending to the outside front side of the U-shaped frame (201) and being fixedly connected with a first motor (203), a fixed sleeve (204) being fixedly sleeved on the front and rear sides of the surface of the rotating shaft (202), a plurality of clamping plates (205) being arranged in a circumferential array on the circumferential surface of the fixed sleeve (204), and a plurality of plate heat exchangers (206) being connected between the opposite sides of the clamping plates (205); the filtering mechanism (300) comprises a filtering box (305) arranged on the inside right side of the cleaning table (101), and a water suction pipe (306) being fixedly connected to the left side of the filtering box (305), a plurality of filtering plates (307) being equidistantly arranged in the inside of the water suction pipe (306).

2. A plate cleaning device for a plate heat exchanger according to claim 1, characterized in that a water storage pool (103) is formed on the top left side of the cleaning table (101), an installation cavity (104) is formed on the inside right side of the cleaning table (101), the filtering box (305) is arranged in the installation cavity (104), the right side of the filtering box (305) is fixedly connected with the left side of the water suction pipe (306), and a cover plate (105) is slidably connected to the top right side of the cleaning table (101), the top of the cover plate (105) being fixedly connected with a handle (106).

3. A plate cleaning device for a plate heat exchanger according to claim 1, characterized in that positioning bolts (207) are threadedly connected to the clamping plates (205), the mutually close ends of the positioning bolts (207) extending into the inside of the clamping plates (205) and being attached to the front and rear side surfaces of the plate heat exchangers (206).

4. A plate cleaning device for a plate heat exchanger according to claim 1, characterized in that a fixed water pipe (208) is fixedly connected to the top center of the inner wall of the U-shaped frame (201), rotating water pipes (209) being correspondingly arranged on the left and right sides of the fixed water pipe (208), the two rotating water pipes (209) being rotatably arranged on the top inner wall of the U-shaped frame (201), and a plurality of spray heads (210) being fixedly connected to the bottom of the fixed water pipe (208) and the rotating water pipes (209).

5. A plate cleaning device for a plate heat exchanger according to claim 4, characterized in that: a connecting rod (211) is rotatably connected to the mutually close side of the rotating water pipes (209), one end of the connecting rod (211) extending to above the U-shaped frame (201) and being rotatably connected with a threaded sleeve (212), and the top of the U-shaped frame (201) being provided with an opening, the inside wall of the opening being slidably connected between the two connecting rods (211).

6. A plate cleaning device for a plate heat exchanger according to claim 5, characterized in that: The U-shaped support (201) is rotationally connected with a two-way threaded rod (213) at the top, the surface of the two-way threaded rod (213) is threadedly connected with the inner wall of a threaded sleeve (212), the inner wall of the threaded sleeve (212) is slidably connected with a limiting rod (214), and the limiting rod (214) is fixedly arranged at the top of the rear side of the U-shaped support (201).

7. A plate cleaning device for a plate heat exchanger according to claim 6, characterized in that: One end of the two-way threaded rod (213) is fixedly sleeved with a first bevel gear (215), one side of the first bevel gear (215) is meshedly connected with a second bevel gear (216), the inner wall of the second bevel gear (216) is fixedly connected with a second motor (217), and the second motor (217) is fixedly arranged at the top of the U-shaped support (201).

8. A plate cleaning device for a plate heat exchanger according to claim 1, characterized in that: The filtering mechanism (300) further comprises a first connecting pipe (301) arranged at the rear side of the U-shaped support (201), rotating water pipes (209) are rotationally connected with the front ends of the first connecting pipe (301), a second connecting pipe (302) is fixedly connected with the center of the first connecting pipe (301), a fixed water pipe (208) is fixedly connected with the front side of the second connecting pipe (302), a water delivery pipe (303) is fixedly connected with the bottom of the first connecting pipe (301), a water pump (304) is fixedly connected with the other end of the water delivery pipe (303), the bottom of the water pump (304) is fixedly connected with the top of the base (102), and the water pump (304) is fixedly connected with the right side of the filtering box (305) and extends into the cleaning table (101).

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