Efficient cleaning device for plate heat exchanger

Abstract

The utility model discloses a plate heat exchanger efficient cleaning device which comprises a fixing frame, the middle of the bottom end of the fixing frame is hollow, and conveying rollers are rotatably installed at the top of the fixing frame at equal intervals. Rubber rollers extrude a plate to drive the plate to be conveyed on a plurality of conveying rollers, the two rubber rollers continuously extrude the plate to be used for continuous conveying of the plate, people do not need to manually control movement of the plate, operation is easy and convenient, an extrusion ring on a rotary disc is driven to rotate through operation of a first motor, and therefore the plate can be conveniently conveyed. A groove and a plane position on an extrusion ring intermittently extrude an extrusion rod, under the operation of a reset spring, moving plates are driven to continuously move left and right along the track of a limiting rod, and brushes on the two moving plates are driven to continuously clean the two surfaces of a plate; the device is used for conducting continuous friction cleaning on the sheet bars on one section in the conveying process, and the cleaning effect on the sheet bars is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plate heat exchangers, in particular to a high-efficiency cleaning device for plate heat exchangers. Background Art

[0002] A plate heat exchanger is a high-efficiency heat exchanger made of a series of stacked metal sheets with a certain corrugated shape. During use, water passes through thin rectangular channels formed between the plates, and heat is exchanged with the water through the plates. After long-term use, the surface of the plates will absorb various impurities, so the plates need to be cleaned regularly.

[0003] In the prior art, when cleaning the plates, manual cleaning is generally performed by manpower, which is a cumbersome operation. Some people use high-pressure water guns to clean the plates, but it is difficult to clean some stubborn impurities. Utility Model Content

[0004] The purpose of the utility model is to provide a high-efficiency cleaning device for a plate heat exchanger to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a high-efficiency cleaning device for a plate heat exchanger, comprising a fixed frame, the middle part of the bottom end of the fixed frame is hollow, the top of the fixed frame is equidistantly rotatably mounted with conveying rollers, the top end of the fixed frame is symmetrically rotatably mounted with rubber rollers at a position above the conveying rollers, a movable plate is symmetrically slidably mounted on the middle part of the top end of the fixed frame, the movable plate can move back and forth left and right, brushes are fixedly mounted on the opposite surfaces of the two movable plates, and the plates of the plate heat exchanger are arranged between the two brushes.

[0006] As a further preferred embodiment of the present technical solution, a water inlet pipe is fixedly installed at a position in the middle of the top of the fixed frame near the movable plate, branch pipes are fixedly installed symmetrically and equidistantly on the water inlet pipe, and nozzles are fixedly installed at the ends of the branch pipes.

[0007] As a further preferred embodiment of the present technical solution, limit holes are symmetrically provided on both sides of the movable plate, and a limit rod is fixedly installed at the position of the limit hole in the middle of the fixed frame, and the limit rod is slidably connected to the limit hole. An extrusion rod is fixedly installed in the middle of one end of the movable plate, and a mounting seat is fixedly installed on one side of the fixed frame, and a first motor is fixedly installed on one side of the mounting seat, and a turntable is fixedly installed on the output end of the first motor through the mounting seat, and an extrusion ring is fixedly installed on the side of the turntable away from the first motor, and a groove is provided on the extrusion ring, and the groove is in extrusion and sliding contact with the extrusion rod, and a return spring is sleeved on the outer side of the end of the limit rod away from the mounting seat, one end of the return spring is fixedly connected to the movable plate, and the other end of the return spring is fixedly connected to the fixed frame.

[0008] As a further preferred embodiment of the present technical solution, a second motor is fixedly installed on one side of the fixed frame at a position corresponding to one of the rubber rollers, the output end of the second motor is fixedly connected to one end of the rubber roller, a transmission wheel is fixedly installed on the end of the rubber roller, and a transmission belt is installed between the two transmission wheels.

[0009] As a further preferred embodiment of the present technical solution, a support plate is fixedly mounted on one end of the top of the fixing frame, and trapezoidal positioning blocks are symmetrically fixedly mounted on both ends of the support plate.

[0010] As a further preferred embodiment of the present technical solution, the liquid outlet angle of the nozzle is inclined.

[0011] The utility model provides a high-efficiency cleaning device for plate heat exchangers, which has the following beneficial effects:

[0012] (1) The utility model places the plate of the plate heat exchanger on the support plate, centers the position of the plate by a trapezoidal positioning block, controls the rotation of the rubber roller by a second motor, drives the two rubber rollers to rotate by the transmission belt between the two transmission wheels, and drives the plate to be transported on a plurality of conveying rollers by squeezing the plate by the rubber rollers. The two rubber rollers will continuously squeeze the plate for continuous conveying of the plate, and there is no need for people to manually control the movement of the plate, which is easy to operate.

[0013] (2) The utility model drives the extrusion ring on the turntable to rotate through the operation of the first motor, and the groove and plane position on the extrusion ring will intermittently squeeze the extrusion rod. Under the operation of the reset spring, the movable plate will be driven to move left and right along the trajectory of the limit rod, and the brushes on the two movable plates will be driven to continuously clean the two sides of the plate. It is used to continuously rub and clean the plate on a section during the conveying process, thereby improving the cleaning effect of the plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a partial cross-sectional structural schematic diagram of the utility model;

[0016] Figure 3 This is a schematic diagram of a partial cross-sectional explosion structure of the utility model;

[0017] Figure 4 It is a schematic diagram of the local structure of the utility model;

[0018] In the figure: 1. Fixed frame; 2. Conveyor roller; 3. Rubber roller; 4. Moving plate; 5. Brush; 6. Water inlet pipe; 7. Branch pipe; 8. Sprinkler; 9. Limit hole; 10. Limit rod; 11. Extrusion rod; 12. Mounting seat; 13. First motor; 14. Turntable; 15. Extrusion ring; 16. Groove; 17. Return spring; 18. Second motor; 19. Drive wheel; 20. Drive belt; 21. Support plate; 22. Trapezoidal positioning block. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0020] The utility model provides a technical solution: Figures 1 to 4 As shown, in this embodiment, a high-efficiency cleaning device for a plate heat exchanger includes a fixed frame 1, the middle part of the bottom end of the fixed frame 1 is hollow, and the top of the fixed frame 1 is equidistantly rotatably installed with a conveying roller 2, and the top of the fixed frame 1 is symmetrically rotatably installed with a rubber roller 3 at the position above the conveying roller 2. A movable plate 4 is symmetrically slidably installed on the middle part of the top end of the fixed frame 1, and the movable plate 4 can move back and forth left and right. Brushes 5 are fixedly installed on the opposite surfaces of the two movable plates 4. The plates of the plate heat exchanger are arranged between the two brushes 5. The rubber rollers 3 squeeze the plates to drive the plates to be transported on several conveying rollers 2. The two rubber rollers 3 will continuously squeeze the plates for continuous transportation of the plates, without the need for people to manually control the movement of the plates. When the plates pass through the movable plate 4, the left and right reciprocating movement of the movable plate 4 will drive the brushes 5 on the two movable plates 4 to continuously clean both sides of the plates, thereby improving the cleaning effect of the plates.

[0021] like Figures 1 to 4 As shown, a water inlet pipe 6 is fixedly installed at a position in the middle of the top of the fixed frame 1 near the movable plate 4. The water inlet pipe 6 is connected to the water outlet end of the water pump. Branch pipes 7 are symmetrically and equidistantly fixed on the water inlet pipe 6, and a nozzle 8 is fixedly installed at the end of the branch pipe 7.

[0022] When the plate moves to the middle of the fixed frame 1, water will flow into the water inlet pipe 6 through the operation of the water pump, and the water will be sprayed out from the nozzle 8 at one end through the connection of the branch pipe 7 at one end, which is used to spray water on the plate. After the cleaning of the plate is completed, the nozzle 8 on the other end branch pipe 7 will flush the cleaned plate to clean the plate.

[0023] like Figures 1 to 4As shown, limiting holes 9 are symmetrically provided on both sides of the movable plate 4, and a limiting rod 10 is fixedly installed at the position of the limiting hole 9 in the middle of the fixed frame 1, and the limiting rod 10 is slidably connected to the limiting hole 9. An extrusion rod 11 is fixedly installed at the middle of one end of the movable plate 4, and a mounting seat 12 is fixedly installed on one side of the fixed frame 1, and a first motor 13 is fixedly installed on one side of the mounting seat 12. A turntable 14 is fixedly installed on the output end of the first motor 13 through the mounting seat 12, and an extrusion ring 15 is fixedly installed on the side of the turntable 14 away from the first motor 13, and a groove 16 is provided on the extrusion ring 15, and the groove 16 is in extrusion and sliding contact with the extrusion rod 11, and a return spring 17 is sleeved on the outer side of the end of the limiting rod 10 away from the mounting seat 12, one end of the return spring 17 is fixedly connected to the movable plate 4, and the other end of the return spring 17 is fixedly connected to the fixed frame 1.

[0024] When the plate passes through the moving plate 4, the operation of the first motor 13 will drive the extrusion ring 15 on the turntable 14 to rotate, and the groove 16 and the plane position on the extrusion ring 15 will intermittently squeeze the extrusion rod 11. Under the operation of the return spring 17, the moving plate 4 will continue to move left and right along the trajectory of the limit rod 10, and the brushes 5 on the two moving plates 4 will continue to clean both sides of the plate.

[0025] like Figures 1 to 4 As shown, a second motor 18 is fixedly installed on one side of the fixing frame 1 at a position corresponding to one of the rubber rollers 3, and the output end of the second motor 18 is fixedly connected to one end of the rubber roller 3. A transmission wheel 19 is fixedly installed on the end of the rubber roller 3, and a transmission belt 20 is installed between the two transmission wheels 19.

[0026] The rotation of the rubber roller 3 is controlled by the second motor 18, and the transmission between the two transmission wheels 19 through the transmission belt 20 will drive the two rubber rollers 3 to rotate. The rubber rollers 3 squeeze the plate and drive the plate to be transported on several conveying rollers 2. The two rubber rollers 3 will continue to squeeze the plate for continuous conveyance of the plate.

[0027] like Figures 1 to 4 As shown, a support plate 21 is fixedly mounted on one end of the top of the fixing frame 1 , and trapezoidal positioning blocks 22 are symmetrically fixedly mounted on both ends of the support plate 21 .

[0028] The plates of the plate heat exchanger are placed on the support plate 21 to support the plates, and the positions of the plates are centered by the trapezoidal positioning blocks 22 .

[0029] like Figures 1 to 4 As shown, the liquid outlet angle of the nozzle 8 is inclined.

[0030] Impurities on the plate can be moved to both sides of the middle of the fixing frame 1.

[0031] The utility model provides a high-efficiency cleaning device for plate heat exchangers, and the specific working principle is as follows:

[0032] When the device is in use, the plate of the plate heat exchanger is placed on the support plate 21, and the position of the plate is centered by the trapezoidal positioning block 22. The plate is then inserted into the bottom end of the rubber roller 3 close to the support plate 21, and the second motor 18 controls the rotation of the rubber roller 3. The transmission between the two transmission wheels 19 is driven by the transmission belt 20 to drive the two rubber rollers 3 to rotate. The rubber rollers 3 squeeze the plate and drive the plate to be transported on a number of conveying rollers 2. The two rubber rollers 3 will continue to squeeze the plate for continuous conveying of the plate. When the plate moves to the middle of the fixed frame 1, water will be fed into the water inlet pipe 6 through the operation of the water pump. The water is sprayed out from the nozzle 8 at one end through the connection of the branch pipe 7 at one end, and is used to spray water on the plate. When the plate passes through the movable plate 4, the operation of the first motor 13 will drive the extrusion ring 15 on the turntable 14 to rotate, and the groove 16 and the plane position on the extrusion ring 15 will intermittently squeeze the extrusion rod 11. Under the operation of the reset spring 17, the movable plate 4 will be driven to move left and right along the trajectory of the limit rod 10, and the brushes 5 on the two movable plates 4 will be driven to continuously clean both sides of the plate. After the cleaning of the plate is completed, the nozzle 8 on the branch pipe 7 at the other end will flush the cleaned plate for cleaning the plate.

[0033] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency cleaning device for a plate heat exchanger, characterized in that: The invention comprises a fixed frame (1), wherein the middle portion of the bottom end of the fixed frame (1) is hollow, a conveying roller (2) is equidistantly mounted on the top of the fixed frame (1), a rubber roller (3) is symmetrically mounted on the top end of the fixed frame (1) at a position above the conveying roller (2), a movable plate (4) is symmetrically mounted on the middle portion of the top end of the fixed frame (1), and the movable plate (4) can move back and forth left and right, and brushes (5) are fixedly mounted on the opposite surfaces of the two movable plates (4), and the plate of the plate heat exchanger is arranged between the two brushes (5).

2. The high-efficiency cleaning device for a plate heat exchanger according to claim 1, characterized in that: A water inlet pipe (6) is fixedly installed at a position near the movable plate (4) at the top middle of the fixed frame (1), branch pipes (7) are fixedly installed symmetrically and equidistantly on the water inlet pipe (6), and a nozzle (8) is fixedly installed at the end of the branch pipe (7).

3. The high-efficiency cleaning device for a plate heat exchanger according to claim 2, characterized in that: The movable plate (4) has symmetrically arranged limiting holes (9) on both sides, a limiting rod (10) is fixedly installed in the middle of the fixed frame (1) at a position corresponding to the limiting hole (9), and the limiting rod (10) is slidably connected to the limiting hole (9), an extrusion rod (11) is fixedly installed in the middle of one end of the movable plate (4), a mounting seat (12) is fixedly installed on one side of the fixed frame (1), a first motor (13) is fixedly installed on one side of the mounting seat (12), and an output end of the first motor (13) passes through the mounting seat (12 ) is fixedly mounted with a turntable (14), and a squeeze ring (15) is fixedly mounted on the side of the turntable (14) away from the first motor (13), and a groove (16) is provided on the squeeze ring (15), and the groove (16) is in squeeze and sliding contact with the squeeze rod (11), and a return spring (17) is sleeved on the outer side of the end of the limit rod (10) away from the mounting seat (12), one end of the return spring (17) is fixedly connected to the movable plate (4), and the other end of the return spring (17) is fixedly connected to the fixed frame (1).

4. The high-efficiency cleaning device for a plate heat exchanger according to claim 3, characterized in that: A second motor (18) is fixedly installed on one side of the fixing frame (1) at a position corresponding to one of the rubber rollers (3); an output end of the second motor (18) is fixedly connected to one end of the rubber roller (3); a transmission wheel (19) is fixedly installed at the end of the rubber roller (3); and a transmission belt (20) is installed between the two transmission wheels (19).

5. The high-efficiency cleaning device for a plate heat exchanger according to claim 4, characterized in that: A support plate (21) is fixedly mounted on one end of the top of the fixing frame (1), and trapezoidal positioning blocks (22) are symmetrically fixedly mounted on both ends of the support plate (21).

6. The high-efficiency cleaning device for a plate heat exchanger according to claim 2, characterized in that: The liquid outlet angle of the nozzle (8) is inclined.

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