Cleaning device for plate heat exchanger

Abstract

The utility model discloses a cleaning device for a plate heat exchanger, which relates to the field of heat exchange and comprises a pair of side plates, a pair of fixing plates and a workbench. The pair of side plates and the pair of fixed plates form a cover body, the workbench is installed in the cover body, movable plates are movably installed on the pair of fixed plates, first threaded rods are rotatably installed on the pair of movable plates, first threaded blocks are rotatably connected to the pair of first threaded rods, and the first threaded blocks are rotatably connected to the pair of second threaded rods. A first threaded block is installed on the movable plate in a sliding mode, a transverse plate is fixedly installed on the first threaded block, a plurality of cleaning covers are installed on the transverse plate, an opening is formed in one end of each cleaning cover, and brushes are arranged on the inner walls of the cleaning covers; clamping assemblies used for fixing the heat exchanger are installed on the pair of side plates, and the technical problem that the heat exchange efficiency of the heat exchanger is affected due to dust accumulation and even scaling on the outer wall of a heat exchange plate of the heat exchanger after long-time operation is effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchange field, concretely is a kind of cleaning device for plate heat exchanger. BACKGROUND

[0002] For industrial furnace (such as heating furnace, heat treatment furnace etc.), currently, gas fuel is used as heat supply source at home and abroad, for example natural gas, coke oven gas, blast furnace gas, mixed gas etc..In order to improve fuel combustion condition, improve fuel utilization rate and other purposes, most furnaces are provided with heat exchanger on its exhaust pipe to carry out heat recovery, to realize the effect of saving fuel, reducing waste gas emission temperature etc.

[0003] However, after long time operation, the outer wall of heat exchange plate of heat exchanger will be covered with dust and even scale, which will directly affect the heat efficiency of heat exchanger to decrease greatly, and will lead to a series of adverse consequences such as preheating temperature drop, combustion condition deterioration etc. INVENTION CONTENTS

[0004] In view of the deficiencies of prior art, the utility model provides a kind of cleaning device for plate heat exchanger, solve the technical problem proposed in the above background art.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: a kind of cleaning device for plate heat exchanger, including a pair of side plates, a pair of fixed plate, workbench;A pair of the side plate and a pair of the fixed plate form cover body, the workbench is installed in the cover body, a pair of the fixed plate is movably installed with moving plate, a pair of the moving plate is rotatably installed with first threaded rod, a pair of the first threaded rod is rotatably connected with first threaded block, the first threaded block is slidably installed on the moving plate, the first threaded block is fixedly installed with cross plate, the cross plate is installed with several cleaning covers, the opening is set in one end of several cleaning covers, brush is arranged on the inner wall of the cleaning cover;A pair of the side plate is installed with the clamping assembly for fixing heat exchanger.

[0006] Preferably, a pair of the moving plate is installed with motor box, a pair of the motor box is installed with the first motor for driving the rotation of the first threaded rod in.

[0007] Preferably, the clamping assembly includes clamping plate, a pair of the side plate is movably installed with a pair of mounting plate, a pair of the mounting plate is fixedly installed with a pair of first air cylinder, a pair of the clamping plate is fixedly installed in the telescopic end of a pair of the first air cylinder.

[0008] Preferably, a pair of said side plate walls are provided with cavities, and second threaded rods are rotatably installed in the cavities; a second motor is installed on the top of each of the pair of side plates to drive the rotation of the second threaded rod; a second threaded block is threadedly connected to the second threaded rod; the second threaded block is slidably installed in the cavity; the second threaded block is fixedly connected to a mounting plate; and the mounting plate is slidably installed in a sliding opening on the pair of side plates through a connecting rod.

[0009] Preferably, a water tank is installed at the bottom of the workbench; a pair of water suction pipes are inserted into the workbench; the bottom of each of the pair of water suction pipes extends below the liquid level of the water tank; a water nozzle is fixedly installed at the top of each of the pair of water suction pipes; the water nozzles are oppositely inclined; and a water pump is installed on each of the pair of water suction pipes.

[0010] Preferably, a filter cavity is formed in the workbench; a filter plate is slidably installed in the filter cavity; and a water outlet pipe is connected to the bottom of the filter cavity and communicates with the inside of the water tank.

[0011] Preferably, a second air cylinder is fixedly installed on each of the pair of fixed plates; and the telescopic end of the second air cylinder penetrates through the fixed plate and is fixedly connected to the moving plate.

[0012] Preferably, a top plate is slidably installed at the top of the cover; a through slot is formed in the wall of one of the fixed plates; and the top plate is slidably installed in the through slot.

[0013] Beneficial effects

[0014] The utility model provides a kind of cleaning device for plate heat exchanger, with the following beneficial effects:

[0015] 1, by installing fixed plate to facilitate the installation of moving plate, by installing moving plate, moving plate moves can drive first threaded rod and cleaning cover to move, by installing cleaning cover, cleaning cover moves to the outside of heat exchange plate, so that heat exchange plate is placed in the inside of cleaning cover, by being provided with brush, brush is contacted with the wall of heat exchange plate, to facilitate the cleaning of the outer wall of heat exchange plate, by installing first threaded rod, first threaded rod rotation can drive first threaded block to lift, to drive crosspiece and several cleaning covers to move, to clean heat exchange plate, by being provided with a pair of cleaning cover, to facilitate the cleaning of heat exchange plate of different width;

[0016] 2, by installing water tank, to facilitate the installation of water, to facilitate the water of heat exchanger, can reach better cleaning effect, by installing water suction pipe, water in water tank can be sucked out, by installing water pump, start water pump, can make the water in water tank into water suction pipe, by installing water nozzle, water in water suction pipe can be sprayed out to heat exchanger by water nozzle. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the front view internal structure schematic view of the utility model;

[0018] Figure 2 It is Figure 1 The section view of A-A in the middle;

[0019] Figure 3 It is the plan view of the cleaning cover in the utility model.

[0020] In the figure: 1, side plate; 2, fixed plate; 3, workbench; 4, moving plate; 5, first motor; 6, first threaded rod; 7, first threaded block; 8, cleaning cover; 9, cavity; 10, second threaded rod; 11, second threaded block; 12, first air cylinder; 13, second motor; 14, water tank; 15, water suction pipe; 16, water pump; 17, water jet nozzle; 18, filter cavity; 19, filter plate; 20, water outlet pipe; 21, top plate; 22, through slot; 23, second air cylinder; 24, clamping plate. DETAILED DESCRIPTION

[0021] The technical scheme in the utility model embodiment will be clearly and completely described below with reference to the drawings in the utility model embodiments, and the orientation of "up", "down" and the like mentioned in the present text takes the direction of Figure 1 the figure as reference.

[0022] Please refer to Figures 1-3 The utility model provides a kind of technical scheme: a kind of cleaning device for plate heat exchanger, including a pair of side plates 1, a pair of fixed plates 2, workbench 3;A pair of side plates 1 and a pair of fixed plates 2 form cover body, workbench 3 is installed in cover body, a pair of fixed plates 2 are movably installed with moving plate 4, a pair of moving plate 4 are rotatably installed with first threaded rod 6, a pair of first threaded rod 6 are rotatably connected with first threaded block 7, first threaded block 7 is slidably installed on moving plate 4, first threaded block 7 is fixedly installed with cross plate, and cross plate is installed with several cleaning covers 8, and several cleaning covers 8 one end is provided with opening, and the inner wall of cleaning cover 8 is all provided with brush;A pair of side plates 1 are all installed with the clamping assembly for fixing heat exchanger.

[0023] By installing the fixed plate 2 to facilitate the installation of the moving plate 4, by installing the moving plate 4, the moving plate 4 moves to drive the first threaded rod 6 and the cleaning cover 8 to move, by installing the cleaning cover 8, the cleaning cover 8 moves to the outside of the heat exchange plate, so that the heat exchange plate is placed inside the cleaning cover 8, the heat dissipation plate can be cleaned as a whole, by providing the brush, the brush contacts the wall of the heat exchange plate to clean the outer wall of the heat exchange plate, by installing the first threaded rod 6, the first threaded rod 6 rotates to drive the first threaded block 7 to lift, thereby driving the horizontal plate and the cleaning cover 8 to move to clean the heat exchange plate, by setting the cleaning cover 8 as a pair, the heat exchange plate of different widths can be cleaned, by installing the clamping assembly, the heat exchanger can be clamped and fixed.

[0024] Further, a pair of moving plates 4 are provided with a motor box, and a first motor 5 for driving the first threaded rod 6 to rotate is arranged in the motor box.

[0025] By installing the first motor 5, starting the first motor 5 can drive the first threaded rod 6 to rotate, and by installing the motor box, the motor can be protected.

[0026] Further, the clamping assembly comprises a clamping plate 24, a pair of mounting plates are movably installed on the pair of side plates 1, a pair of first air cylinders 12 are fixedly installed on the pair of mounting plates, and the pair of clamping plates 24 are fixedly installed on the telescopic ends of the pair of first air cylinders 12.

[0027] By installing the clamping plate 24, the heat exchanger can be clamped and fixed, by installing the mounting plate, the first air cylinder 12 can be installed, by installing the first air cylinder 12, starting the first air cylinder 12, the telescopic end of the first air cylinder 12 can drive the clamping plate 24 to move, so that the heat exchanger can be clamped and fixed.

[0028] Further, a cavity 9 is formed in the wall of the pair of side plates 1, a second threaded rod 10 is rotatably installed in the cavity 9, a second motor 13 for driving the second threaded rod 10 to rotate is installed on the top of the pair of side plates 1, a second threaded block 11 is screwed on the second threaded rod 10, the second threaded block 11 is slidably installed in the cavity 9, the second threaded block 11 is fixedly connected with the mounting plate, and the mounting plate is slidably installed in the sliding hole of the pair of side plates 1 through the connecting rod.

[0029] By forming the cavity 9, the second threaded rod 10 can be installed, by installing the second threaded rod 10, starting the second threaded rod 10 can drive the second threaded block 11 to lift, thereby driving the mounting plate to lift.

[0030] Further, the water tank 14 is installed at the bottom of the workbench 3, and a pair of water suction pipes 15 are inserted into the workbench 3, the bottom of the water suction pipes 15 extends to below the liquid level of the water tank 14, the top of the water suction pipes 15 is fixedly installed with water nozzles 17, the water nozzles 17 are oppositely inclined, and a water pump 16 is arranged on each of the water suction pipes 15.

[0031] The water tank 14 is installed to contain water, which facilitates water spraying on the heat exchanger, and better cleaning effect can be achieved, the water suction pipes 15 are installed to suck water in the water tank 14, the water pump 16 is installed, and when the water pump 16 is started, the water in the water tank 14 can enter the water suction pipes 15, and the water nozzles 17 are installed to spray water in the water suction pipes 15 onto the heat exchanger through the water nozzles 17.

[0032] Further, the filter cavity 18 is arranged in the workbench 3, the filter plate 19 is slidably installed in the filter cavity 18, and the water outlet pipe 20 is connected to the bottom of the filter cavity 18 and communicates with the inside of the water tank 14.

[0033] The filter cavity 18 is arranged to allow water to flow into the filter cavity 18 after the heat exchanger is cleaned, the filter plate 19 is installed to filter the cleaned water, and the water outlet pipe 20 is arranged to allow the filtered water to enter the water tank 14 through the water outlet pipe 20, which facilitates reuse and saves water resources.

[0034] Further, the second air cylinder 23 is fixedly installed on the pair of fixed plates 2, and the telescopic end of the second air cylinder 23 penetrates through the fixed plate 2 and is fixedly connected with the moving plate 4.

[0035] The second air cylinder 23 is installed, and when the second air cylinder 23 is started, the telescopic end of the second air cylinder 23 can drive the moving plate 4 to move.

[0036] Further, the top plate 21 is slidably installed on the top of the cover, the through slot 22 is arranged on the wall of the fixed plate 2 on one side, and the top plate 21 is slidably installed in the through slot 22.

[0037] The top plate 21 is installed to prevent the water spraying device from affecting the surrounding working environment, and the through slot 22 is arranged to pull out and push in the top plate 21 through the through slot 22.

[0038] Those skilled in the art will connect all electrical components in this case with their corresponding power sources through wires, and appropriate controllers should be selected according to actual conditions to meet the control requirements. The specific connection and control sequence should be completed according to the working principle of the electrical components, and the detailed connection method is a known technology in the art. The working principle and process are mainly introduced below, and the electrical control is not described.

[0039] The working principle and use process of the utility model: when using, the heat exchanger is placed between a pair of clamping plates 24, the first air cylinder 12 is started, the telescopic end of the first air cylinder 12 is elongated and can drive the clamping plate 24 to move to clamp and fix the heat exchanger, after fixing, the second motor 13 is started, the driving end of the second motor 13 rotates and drives the second threaded rod 10 to rotate, thereby driving the second threaded block 11 to descend, driving the first air cylinder 12 and the heat exchange plate to descend until the heat exchanger all enters the device, the top plate 21 is closed, the second air cylinder 23 is started, the telescopic end of the second air cylinder 23 is elongated and drives the cleaning cover 8 to move to the heat exchanger direction until the heat exchange plate is placed in the cleaning cover 8, the first motor 5 is started and drives the first threaded rod 6 to rotate, thereby driving the first threaded block 7 and the cleaning cover 8 to move to clean the heat exchange plate, in the process, the water pump 16 can be started, the water in the water tank 14 is sucked into the water suction pipe 15 and then the water nozzle 17 is opened, the water is sprayed out to the heat exchanger through the water nozzle 17, thereby achieving better cleaning effect on the heat exchanger.

[0040] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A cleaning device for plate heat exchangers, characterized in that The utility model provides a heat exchanger cleaning device, including a pair of side plates (1), a pair of fixed plate (2), workbench (3), a pair of side plates (1) with a pair of fixed plate (2) form cover body, workbench (3) is installed in the cover body, a pair of fixed plate (2) all movably install mobile plate (4), a pair of mobile plate (4) all rotatably install first threaded rod (6), a pair of first threaded rod (6) all are screwed with first threaded block (7), first threaded block (7) slidingly installed on mobile plate (4), first threaded block is fixedly installed with crosspiece, and the crosspiece is installed with a plurality of cleaning cover (8), and a plurality of cleaning cover (8) one end is provided with opening, and the inner wall of cleaning cover (8) is all provided with brush, a pair of side plates (1) all are installed for the clamping assembly of fixed heat exchanger.

2. A cleaning device for plate heat exchangers according to claim 1, characterized in that A pair of mobile plate (4) all install motor box, a pair of motor box all install first motor (5) in for driving first threaded rod (6) rotation.

3. A cleaning device for plate heat exchangers according to claim 1, characterized in that The clamping assembly includes a pair of clamping plates (24), a pair of mounting plates movably installed on the pair of side plates (1), a pair of first air cylinders (12) fixedly installed on the pair of mounting plates, and a pair of clamping plates (24) fixedly installed on the telescopic ends of the pair of first air cylinders (12).

4. A cleaning device for plate heat exchangers according to claim 3, characterized in that A pair of side plates (1) are provided with cavities (9) in the walls, second threaded rods (10) are rotatably installed in the cavities (9), second motors (13) are installed on the top of the pair of side plates (1) to drive the rotation of the second threaded rods (10), second threaded blocks (11) are screwed onto the second threaded rods (10), the second threaded blocks (11) are slidingly installed in the cavities (9), the second threaded blocks (11) are fixedly connected with the mounting plates, and the mounting plates are slidingly installed in the sliding openings of the pair of side plates (1) through connecting rods.

5. A cleaning device for plate heat exchangers according to claim 1, characterized in that A water tank (14) is installed at the bottom of the workbench (3), a pair of water suction pipes (15) are inserted into the workbench (3), the bottom of the pair of water suction pipes (15) extends below the liquid level of the water tank (14), water nozzles (17) are fixedly installed at the top of the pair of water suction pipes (15), the water nozzles (17) are oppositely inclined, and water pumps (16) are arranged on the pair of water suction pipes (15).

6. A cleaning device for plate heat exchangers according to claim 5, characterized in that A filter cavity (18) is formed in the workbench (3), a filter plate (19) is slidingly installed in the filter cavity (18), and a water outlet pipe (20) is connected to the bottom of the filter cavity (18) and communicates with the inside of the water tank (14).

7. A cleaning device for plate heat exchangers according to claim 1, characterized in that Second air cylinders (23) are fixedly installed on a pair of fixed plates (2), and the telescopic ends of the second air cylinders (23) penetrate through the fixed plates (2) and are fixedly connected with the mobile plates (4).

8. A cleaning device for plate heat exchangers according to claim 1, characterized in that A top plate (21) is slidingly installed at the top of the cover body, a through slot (22) is formed in the wall of one of the fixed plates (2), and the top plate (21) is slidingly installed in the through slot (22).

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