CN116447914A

CN116447914A - Cleaning and drying equipment for heat exchanger

Info

Publication number: CN116447914A
Application number: CN202310463441.4A
Authority: CN
Inventors: 岳新远; 刘文昊
Original assignee: Xuzhou Shunfeng Valve Co ltd
Current assignee: Xuzhou Shunfeng Valve Co ltd
Priority date: 2023-04-26
Filing date: 2023-04-26
Publication date: 2023-07-18

Abstract

The application discloses heat exchanger washs drying equipment, including the brace table, two washs drying device, plate heat exchanger, water tank and water supply installation, wherein, be equipped with U type opening on the brace table, two washs drying device and set up respectively in U type open-ended both sides, and two washs drying device and movably link to each other with the brace table respectively, plate heat exchanger sets up between two washs drying device, every washs drying device and includes the support frame, drive assembly, screw thread conveying mechanism, wash subassembly and stoving subassembly, wherein, the support frame movably sets up on the brace table, drive assembly sets up on the brace table, and drive assembly links to each other with the support frame. Therefore, the stacked plates of the rear end plate of the fixed frame can be automatically separated, mud blocks attached to the plates are shaken off, and simultaneously, the two sides of the plates are automatically washed, so that the labor intensity of workers is reduced, the cleaning efficiency is improved, and the device has the advantage of convenience in operation.

Description

Cleaning and drying equipment for heat exchanger

Technical Field

The application relates to the technical field of heat exchanger cleaning, in particular to a heat exchanger cleaning and drying device.

Background

The heat exchanger is divided into a tubular heat exchanger and a plate heat exchanger, wherein the plate heat exchanger is an efficient heat exchanger formed by stacking a series of metal sheets (plates) with certain corrugated shapes according to a certain interval distance. Thin rectangular channels are formed between the plates through which heat is exchanged. The heat exchanger has the characteristics of high heat exchange efficiency, small heat loss, compact and light structure, small occupied area, wide application, long service life and the like.

However, the plate heat exchanger may generate some dirt (mud cake, scale) during long-term use, thereby causing obstruction in the plate heat exchanger to reduce heat exchange efficiency. At this time, cleaning maintenance is required, and in the existing cleaning mode, a worker usually first removes a rear end plate (i.e., a pressing plate of a fixing frame for fastening the stacked plates) for fastening the stacked plates, then separates each plate, strikes each plate through a rubber hammer, shakes down mud blocks attached to each plate, finally removes each plate from the fixing frame, and washes scale remained on two sides of each plate through a high-pressure water gun. The mode of cleaning the plate radiator is troublesome to operate, not only increases the labor intensity of workers, but also has low cleaning efficiency.

Disclosure of Invention

The present application aims to solve, at least to some extent, one of the technical problems in the related art.

Therefore, an object of the present application is to provide a heat exchanger washs drying equipment, can be automatically to dismantling the stacked plate of fixed frame back end plate and separate to when shaking off the attached mud piece on the plate, wash the both sides of plate voluntarily, not only reduced workman's intensity of labour, promoted cleaning efficiency moreover, have convenient operation's advantage.

To achieve the above objective, an embodiment of a first aspect of the present application provides a heat exchanger cleaning and drying apparatus, including a supporting table, two cleaning and drying devices, a plate heat exchanger, a water tank and a water supply device, where the supporting table is provided with a U-shaped opening, the two cleaning and drying devices are respectively disposed at two sides of the U-shaped opening, and the two cleaning and drying devices are respectively movably connected with the supporting table, the plate heat exchanger is disposed between the two cleaning and drying devices, each cleaning and drying device includes a supporting frame, a driving assembly, a screw conveying mechanism, a cleaning assembly and a drying assembly, where the supporting frame is movably disposed on the supporting table, the driving assembly is disposed on the supporting table, and the driving assembly is connected with the supporting frame, and the driving assembly is used for driving the supporting frame to move; the screw thread conveying mechanism is rotatably arranged on the supporting frame and is used for conveying and separating the plates stacked in the plate heat exchanger; the cleaning component and the drying component are sequentially arranged on the supporting frame along the conveying direction of the thread conveying mechanism; the cleaning assembly is used for cleaning the plate to remove dirt on the plate; the drying assembly is used for drying the cleaned plate to obtain a dried plate; the water tank is arranged below the U-shaped opening, the water supply device is arranged in the water tank and connected with the cleaning assembly through the corrugated pipe, and the water supply device is used for supplying liquid to the cleaning assembly.

The heat exchanger washs drying equipment of this embodiment can be automatic to dismantle the stacked plate of fixed frame back end plate and separate to when shaking off the mud piece that adheres to on the plate, wash the plate two sides voluntarily, not only reduced workman's intensity of labour, promoted cleaning efficiency moreover, have convenient operation's advantage.

In addition, the heat exchanger cleaning and drying device according to the present application may further have the following additional technical features:

in one embodiment of the present application, the heat exchanger cleaning and drying apparatus further includes a first mesh belt conveyor, a second mesh belt conveyor, and a waste collection tank, wherein the first mesh belt conveyor and the second mesh belt conveyor are sequentially disposed side by side in the U-shaped opening, a drain outlet is left between the first mesh belt conveyor and the second mesh belt conveyor, and the waste collection tank is disposed below the drain outlet, and the first mesh belt conveyor is disposed above the water tank and is used for conveying the dirt into the waste collection tank; the upper end of the water tank is provided with a water inlet, wherein the water tank is used for collecting liquid filtered by the first mesh belt type conveying device; and the second mesh belt type conveying device is used for outputting the drying plate.

In one embodiment of the present application, the driving assembly includes a screw, a driving component, a nut and two sliding mechanisms, wherein a first chute is provided on the supporting table, second chutes are respectively provided on two sides of the supporting table, which are located on the first chute, the screw is rotatably disposed in the first chute, and one end of the screw penetrates through the first chute and is connected with the driving component; the nut is sleeved on the lead screw and fixedly connected with the support frame; the two sliding mechanisms are respectively arranged in the corresponding second sliding grooves, and the two sliding mechanisms are respectively connected with the supporting frame.

In one embodiment of the present application, the sliding mechanism includes a support rod and a sliding block, where the support rod is horizontally and fixedly disposed in the second chute; the sliding block is slidably sleeved on the supporting rod and fixedly connected with the supporting frame.

In one embodiment of the present application, the screw thread conveying mechanism includes a first threaded rod, a second threaded rod and a driving mechanism, where the first threaded rod and the second threaded rod are sequentially rotatably disposed on the supporting frame, and the first threaded rod and the second threaded rod are integrally connected, where threads of the first threaded rod and threads of the second threaded rod are mutually consecutive, and each screw tooth on the first threaded rod is respectively inserted between two adjacent corresponding plates; one end of the driving mechanism is connected with the supporting frame, and the other end of the driving mechanism is connected with the end part of the first threaded rod, wherein the driving mechanism is used for driving the first threaded rod and the second threaded rod to synchronously rotate.

In one embodiment of the present application, the pitch on the second threaded rod is greater than the pitch on the first threaded rod.

In one embodiment of the application, the cleaning assembly comprises a plurality of groups of high-pressure spray heads and a plurality of air cannons, wherein the plurality of groups of high-pressure spray heads are distributed on the support frame close to the first threaded rod, each high-pressure spray head is connected with the water supply device through a corrugated pipe, and the water supply device is used for supplying liquid to the plurality of groups of high-pressure spray heads so as to flush the plate moving to the position of the first threaded rod through the plurality of groups of high-pressure spray heads; the air cannons are sequentially arranged on the supporting frame and used for sending shock waves to the plate moving to the position of the first threaded rod so as to shake off dirt attached to the plate.

In one embodiment of the present application, the drying assembly includes a blowing hood, a heating box, a blowing mechanism and a spiral heating pipe, where the blowing hood, the heating box and the blowing mechanism are sequentially disposed on the support frame, where the blowing hood and the high-pressure nozzle are disposed side by side, and an air outlet of the blowing hood faces the U-shaped opening; one end of the heating box is communicated with the blowing hood through a pipeline, the other end of the heating box is connected with the blowing mechanism; the spiral heating pipe is erected in the heating box and is connected with an external power supply; the spiral heating pipe is used for heating the inside of the heating box so as to generate hot gas; and the blowing mechanism is used for blowing hot air to the cleaned plate through the blowing cover so as to dry the plate.

In one embodiment of the present application, the heat exchanger cleaning and drying apparatus further includes an upper rail for suspending the plate, the upper rail being mounted on the support frame, and the upper rail being in butt joint with an upper rail in the plate heat exchanger.

Additional aspects and advantages of the application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the application.

Drawings

The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a top view of a heat exchanger wash drying apparatus according to one embodiment of the present application;

FIG. 2 is a schematic diagram of a heat exchanger wash drying apparatus according to one embodiment of the present application;

FIG. 3 is a right side view of a heat exchanger wash drying apparatus according to one embodiment of the present application;

fig. 4 is a schematic structural view of a heat exchanger washing and drying apparatus according to another embodiment of the present application;

FIG. 5 is a partial cross-sectional view of a heat exchanger wash drying apparatus according to one embodiment of the present application;

FIG. 6 is a schematic view of a partial structure of a heat exchanger wash drying apparatus according to one embodiment of the present application;

fig. 7 is a schematic partial structure of a heat exchanger washing and drying apparatus according to another embodiment of the present application.

As shown in the figure: 10. a support table; 11. a U-shaped opening; 12. a sewage outlet; 13. a first chute; 14. a second chute; 20. cleaning a drying device; 21. a support frame; 22. a drive assembly; 221. a screw rod; 222. a driving part; 223. a nut; 224. a sliding mechanism; 2241. a support rod; 2242. a slide block; 23. a screw thread conveying mechanism; 231. a first threaded rod; 232. a second threaded rod; 233. a driving mechanism; 24. cleaning the assembly; 241. a high pressure nozzle; 242. an air cannon; 25. a drying assembly; 251. a blowing hood; 252. a heating box; 253. a blowing mechanism; 254. a spiral heating pipe; 30. a plate heat exchanger; 40. a water tank; 50. a water supply device; 60. a first mesh belt conveyor; 70. a second mesh belt conveyor; 80. a waste collection tank; 90. and (5) an upper guide rail.

Detailed Description

Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended for the purpose of explaining the present application and are not to be construed as limiting the present application. On the contrary, the embodiments of the present application include all alternatives, modifications, and equivalents as may be included within the spirit and scope of the appended claims.

The heat exchanger washing and drying apparatus of the embodiments of the present application are described below with reference to the accompanying drawings.

As shown in fig. 1 to 7, the heat exchanger washing and drying apparatus of the embodiment of the present application may include a support table 10, two washing and drying devices 20, a plate heat exchanger 30, a water tank 40, and a water supply device 50.

It should be noted that, as shown in fig. 7, the plate heat exchanger 30 described in this embodiment is composed of a front end plate 31, a rear end plate (not shown in the drawings), a plurality of plates 33, an upper rail 34 and a lower rail 35, wherein the plurality of plates 33 are stacked between the front end plate and the rear end plate, the upper rail 34 and the lower rail 35 are provided between the front end plate 31 and the rear end plate, respectively, and the upper rail 34 and the lower rail 35 are provided near both upper and lower ends of the front end plate 31 and the rear end plate, respectively, wherein one ends of the upper rail 34 and the lower rail 35 are fixedly connected to the front end plate 31, the other ends of the upper rail 34 and the lower rail 35 are detachably connected to the rear end plate (platen), the plurality of plates 33 are respectively stuck between the upper rail 34 and the lower rail 35, and the plurality of plates 33 are slidably connected to the upper rail 34 and the lower rail 35, respectively.

Wherein, be equipped with U type opening 11 on the supporting bench 10, two washings drying device 20 set up respectively in the both sides of U type opening 11, and two washings drying device 20 are movable continuous with supporting bench 10 respectively, and plate heat exchanger 30 sets up between two washings drying device 20, and every washings drying device 20 can include support frame 21, drive assembly 22, screw conveyer mechanism 23, washs subassembly 24 and stoving subassembly 25.

The support frame 21 is movably arranged on the support table 10, the driving assembly 22 is arranged on the support table 10, and the driving assembly 22 is connected with the support frame 21, wherein the driving assembly 22 is used for driving the support frame 21 to move.

The screw conveyor 23 is rotatably provided on the support frame 21 for conveying and separating the stacked plates 33 in the plate heat exchanger 30.

It should be noted that the number of screw conveyor mechanisms 23 in each cleaning and drying apparatus 20 described in this embodiment may be 1, 2, 3, 4 screw conveyor mechanisms 23, etc., and the specific number of screw conveyor mechanisms may be selected according to practical situations, and is not limited herein.

The cleaning assembly 24 and the drying assembly 25 are sequentially disposed on the support frame 21 along a conveying direction of the screw conveyor 23.

Wherein the cleaning assembly 24 is used for cleaning the plate 33 to remove dirt (mud cake, scale) from the plate 33.

And a drying assembly 25 for drying the cleaned plate 33 to obtain a dried plate 33.

The water tank 40 is disposed below the U-shaped opening 11, the water supply device 50 is disposed within the water tank 40, and the water supply device 50 is connected to the cleaning assembly 24 through a bellows, wherein the water supply device 50 is configured to supply liquid to the cleaning assembly 24. It should be noted that the liquid described in this embodiment may be clear water or a cleaning liquid.

It should be noted that, the water supply device 50 in this embodiment may be a water pump, and a water outlet of the water pump is connected to the cleaning assembly 24 through a bellows.

Specifically, when the plate heat exchanger to be cleaned is required to be cleaned, the relevant staff first needs to set the heat exchanger cleaning and drying device of the present application at the position of the plate heat exchanger to be cleaned (the position may be in a factory building for cleaning the plate heat exchanger), then, the staff controls the conveying device (e.g., a forklift) to set the plate heat exchanger to be cleaned on the supporting table 10 and between the two cleaning and drying devices 20, then, the staff removes the rear end plate (not shown in the figure) from the plate heat exchanger, and controls the driving assembly 22 to drive the supporting frame 21 to drive the screw conveying mechanism 23 to approach the side surface of the plate heat exchanger 30, so that the two screw conveying mechanisms 23 clamp the plates in the plate heat exchanger 30.

Accordingly, the worker performs the counter-rotation (i.e., one clockwise rotation, one counterclockwise rotation) of the two opposite screw conveyor mechanisms 23 in synchronization with each other, and the two screw conveyor mechanisms 23 rotated convey the stacked sheets one by one to separate the stacked sheets 33. And further, the stacked plates are automatically conveyed and separated, and the labor intensity of workers is reduced.

At the same time, the worker controls the water supply device 50 to supply the liquid in the water tank 40 into the cleaning member 24, and shakes off the mud cake attached to the plate through the cleaning member 24, and simultaneously washes both sides of the plate 33 to clean the scale attached to both sides of the plate 33. After dirt attached to both sides of the plate 33 is removed, the plate 33 is directly conveyed to the position of the drying assembly 25 by the screw conveyor 23, and is dried by the drying assembly 25. With the rotation of the two screw conveyor mechanisms 23, the drying plate 33 is directly output and received for reinstallation. And then realize that when shaking off the mud piece that attaches on the slab 33, wash slab 33 two sides automatically, effectively promoted cleaning efficiency, have convenient operation's advantage.

In one embodiment of the present application, as shown in fig. 6, the above-described heat exchanger washing and drying apparatus may further include a first mesh belt conveyor 60, a second mesh belt conveyor 70, and a waste collection tank 80.

It should be noted that, in this embodiment, the first belt conveyor 60 and the second belt conveyor 70 are both belt conveyors, and since the belt conveyors are known in the art and are common knowledge of those skilled in the art, the specific structure thereof is not explained in detail herein. In addition, it should be noted that the mesh aperture of the mesh belt conveyor is smaller than the size dimension of the smallest mud cake.

Wherein, the first mesh belt conveyor 60 and the second mesh belt conveyor 70 are arranged in the U-shaped opening 11 side by side in sequence, and a drain 12 is left between the first mesh belt conveyor 60 and the second mesh belt conveyor 70, and a waste collection box 80 is arranged below the drain 12.

Wherein the first web conveyor 60 is disposed above the tank 40 and the first web conveyor 60 is disposed below the cleaning assembly 24 for transporting dirt into the waste collection bin 80.

The upper end of the water tank 40 is provided with a water inlet, wherein the water tank 40 is used for collecting the liquid filtered by the first mesh belt conveyor 60, and the second mesh belt conveyor 70 is arranged below the drying assembly 25 and is used for outputting the drying plate 33.

It will be appreciated that by arranging the first and second mesh belt conveyors 60, 70 in sequence within the U-shaped opening 11, the first mesh belt conveyor 60 can convey the shaken-off mud cake into the waste collection bin 80 for collection when the cleaning assembly 24 shakes off mud cake attached to the plate and washes both sides of the plate 33, preventing the shaken-off mud cake from accumulating too high to affect the moving cleaning of the subsequent plate 33. The water tank 40 can recycle the liquid filtered by the first mesh belt conveyor 60 so as to recycle resources, and has the advantage of saving resources.

The second mesh belt conveyor 70 can receive and convey the dried plate 33 for reinstallation.

In one embodiment of the present application, as shown in fig. 6, the drive assembly 22 may include a lead screw 221, a drive member 222, a nut 223, and two slide mechanisms 224.

The supporting table 10 is provided with a first chute 13, two sides of the supporting table 10, which are located on the first chute 13, are respectively provided with a second chute 14, a screw 221 is rotatably disposed in the first chute 13, and one end of the screw 221 penetrates through the first chute 13 and is connected with a driving component 222.

It should be noted that, the driving part 222 described in this embodiment may be a driving handle or a bi-directional stepper motor. The specific driving member 222 may be selected according to the actual situation, and is not limited herein.

The nut 223 is sleeved on the screw rod 221, the nut 223 is fixedly connected with the supporting frame 21, two sliding mechanisms 224 are respectively arranged in the corresponding second sliding grooves 14, and the two sliding mechanisms 224 are respectively connected with the supporting frame 21.

For clarity of illustration of the above embodiment, in one embodiment of the present application, as shown in fig. 6, the slip mechanism 224 may include a support bar 2241 and a slider 2242.

Wherein the support bar 2241 is horizontally and fixedly arranged in the second chute 14.

The sliding block 2242 is slidably sleeved on the supporting rod 2241, and the sliding block 2242 is fixedly connected with the supporting frame 21. It will be appreciated that the slider 2242 may act to support the carriage 21 for sliding movement, so that the carriage 21 is more stable during movement.

Specifically, when the support frame 21 needs to be driven to drive the screw conveying mechanism 23 to approach the side surface of the plate heat exchanger 30, the operator can drive the screw rod 221 to rotate by controlling the driving component 222, the rotating screw rod 221 drives the nut 223 to move in the first chute 13 towards the plate heat exchanger 30, the moving nut 223 drives the screw conveying mechanism 23, the cleaning component 24 and the drying component 25 to move towards the side surface of the plate heat exchanger 30 by the support frame, and the two screw conveying mechanisms 23 clamp the plate 33 in the plate heat exchanger 30.

In one embodiment of the present application, as shown in fig. 2 and 5, the screw delivery mechanism 23 may include a first threaded rod 231, a second threaded rod 232, and a drive mechanism 233.

The first threaded rod 231 and the second threaded rod 232 are sequentially and rotatably arranged on the supporting frame 21, the first threaded rod 231 and the second threaded rod 232 are integrally formed and connected, threads of the first threaded rod 231 and threads of the second threaded rod 232 are mutually consecutive, and each screw tooth on the first threaded rod 231 is respectively inserted between two adjacent corresponding plates.

In order to prevent the first threaded rod 231 and the second threaded rod 232 from causing hard damage to the sheet 33 when the sheet 33 is conveyed, the first threaded rod 231 and the second threaded rod 232 may be provided as threaded rods made of plastic materials.

One end of the driving mechanism 233 is connected to the support frame 21, and the other end of the driving mechanism 233 is connected to an end of the first threaded rod 231, where the driving mechanism 233 is used to drive the first threaded rod 231 and the second threaded rod 232 to rotate synchronously.

It should be noted that, the driving mechanism 233 described in this embodiment may be a motor, the body of the motor may be coupled to the support frame 21 by a threaded fastener (screw, bolt or screw), and the rotating shaft of the motor is coupled to the end of the first threaded rod 231. That is, the worker drives the first and second threaded rods 231 and 232 to rotate synchronously by controlling the motor.

For clarity of illustration of the previous embodiment, in one embodiment of the present application, as shown in FIG. 6, the pitch on the second threaded rod 232 is greater than the pitch on the first threaded rod 231.

It will be appreciated that by setting the pitch on the second threaded rod 232 to be greater than the pitch on the first threaded rod 231, when the first threaded rod 231 and the second threaded rod 232 are rotated synchronously, the distance between each two adjacent plates 33 is increased when the plates 33 at the position of the first threaded rod 231 are conveyed to the position of the second threaded rod 232, so that any two adjacent plates 33 are separated, and the cleaning assembly is convenient for cleaning dirt attached to two sides of the plates 33.

In addition, when two adjacent plates are separated by the second threaded rod 232, the two adjacent plates can be simultaneously vibrated by the conveying of the second threaded rod 232, and at the moment, part of the mud blocks on the plates 33 can be separated by the vibrating force of the conveying of the second threaded rod 232, so that the cleaning of dirt on the plates 33 can be effectively accelerated, and the cleaning efficiency is improved.

In one embodiment of the present application, as shown in fig. 4 and 6, the cleaning assembly 24 may include multiple sets of high pressure jets 241 and multiple air cannons 242.

The multiple groups of high pressure sprayers 241 are distributed on the support frame 21 near the first threaded rod 231, for example, the multiple groups of high pressure sprayers 241 may be 2, 3, 4, 5 groups of high pressure sprayers 241, and each group of high pressure sprayers 241 may include 2, 3, 4, 5, 6 high pressure sprayers 241, and the specific number may be selected according to practical situations, which is not limited herein, and each high pressure sprayer 241 is connected to the water supply device 50 through a bellows (not shown in the figure), where the water supply device 50 is used for supplying liquid to the multiple groups of high pressure sprayers 241 so as to flush two sides of the plate 33 moving to the position of the first threaded rod 231 through the multiple groups of high pressure sprayers 241.

It should be noted that, in the embodiment, the plurality of groups of high-pressure nozzles 241 are distributed in a semicircular arc shape, and the liquid ejected from the plurality of groups of high-pressure nozzles 241 may cover the whole plate 33.

The plurality of air cannons 242 are sequentially disposed on the support frame 21, for example, the plurality of air cannons 242 may be 2, 3, 4, 5 air cannons 242, etc., and the specific number of the air cannons 242 may be selected according to practical situations, which is not limited herein, and is used for sending a shock wave to the plate 33 moved to the position of the first threaded rod 231 so as to shake off dirt attached to the plate 33.

Further, in one embodiment of the present application, as shown in fig. 2-6, the drying assembly 25 may include a blowing hood 251, a heating box 252, a blowing mechanism 253, and a spiral heating pipe 254.

Wherein, the blowing hood 251, the heating box 252 and the blowing mechanism 253 are sequentially arranged on the supporting frame 21, wherein, the blowing hood 251 and the high-pressure nozzle 241 are arranged side by side, the air outlet of the blowing hood 251 faces the U-shaped opening 11, and the blowing hood 251 is arranged above the second threaded rod 232.

One end of the heating box 252 is communicated with the blowing hood 251 through a pipe, and the other end of the heating box 252 is connected with a blowing mechanism 253.

It should be noted that, the air blowing mechanism 253 in this embodiment may be a fan, the body of the fan is fixedly disposed on the support frame 21 through a threaded fastener, and the air outlet of the fan is communicated with the bottom end of the heating box 252 through a pipeline.

The spiral heating tube 254 is installed in the heating box 252, and the spiral heating tube 254 is connected to an external power source, i.e. the spiral heating tube 254 is electrically connected to the external power source. Wherein the spiral heating pipe 254 is used for heating the inside of the heating box 252 to generate hot gas. The blowing mechanism 253 is used for blowing hot air to the cleaned plate 33 through the blowing hood 251 to dry the plate 33.

Specifically, when the plate is conveyed by the two opposing second threaded rods 232 beneath the cleaning assembly 24, the operator controls the plurality of air cannons 242 to emit shock waves to the moving plate 33 to shake off dirt attached to the plate 33, the shake off dirt falling directly onto the first web conveyor 60 and being conveyed by the first web conveyor 60 into the waste collection bin 80. At the same time, the worker controls the water supply device 50 to supply the liquid in the water tank 40 to the plurality of sets of high pressure sprayers 241, and washes out the scale on the plate 33 through the high pressure sprayers 241. And then realize that when shaking off the mud piece that attaches on the slab 33, wash slab 33 two sides automatically, effectively promoted cleaning efficiency, have convenient operation's advantage.

With the rotation of the two opposite second threaded rods 232, the washed plate 33 is conveyed to the lower side of the drying assembly 25, and at this time, the worker controls the spiral heating pipe 254 to heat the inside of the heating box 252 to generate hot air, and then, the worker controls the blowing mechanism 253 to blow the hot air toward the cleaned plate 33 through the blowing hood 251 to dry the plate 33. And further, the plate 33 can be directly dried after being cleaned, so that the installation and use efficiency after cleaning is improved.

As the two opposing second threaded rods 232 continue to rotate, the dried sheet 33 falls onto the second web conveyor 70 and is output by the second web conveyor 70 for storage for reinstallation for use.

In one embodiment of the present application, as shown in fig. 3 and 6, the above-mentioned heat exchanger washing and drying apparatus may further comprise an upper rail 90 for hanging the plate 33, the upper rail 90 being erected on the supporting frame 21, and the upper rail 90 being in abutment with the upper rail 34 in the plate heat exchanger 30.

It will be appreciated that by providing the support frame 21 with the upper rail 90 abutting the upper rail 34 in the plate heat exchanger 30, two opposing second threaded rods 232 may be caused to slide along the upper rail 90 as the plate 33 is driven to move, so that the plate 33 moves more smoothly as the two opposing second threaded rods 232 move as the plate 33 is conveyed.

In addition, it should be noted that the control manner of the present application may be automatically controlled by the controller, and the control circuit of the controller may be implemented by simple programming by those skilled in the art, which belongs to the common knowledge in the art, and the present application is mainly used to protect the mechanical device, so the present application does not explain the control manner and circuit connection in detail.

The heat exchanger cleaning and drying equipment provided by the embodiment of the application can be applied to cleaning of industrial plate heat exchangers such as chemistry, metallurgy, machinery, electric power, papermaking and the like.

In sum, the heat exchanger washs drying equipment of this application embodiment can separate the stacked plate of fixed frame rear end plate to shake off the mud piece of adhering to on the plate, wash the plate two sides voluntarily, not only reduced workman's intensity of labour, promoted cleaning efficiency moreover, have convenient operation's advantage.

In the description of this specification, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the present application, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the present application.

Claims

1. A heat exchanger cleaning and drying device is characterized by comprising a supporting table, two cleaning and drying devices, a plate heat exchanger, a water tank and a water supply device, wherein,

the support table is provided with a U-shaped opening, two cleaning and drying devices are respectively arranged at two sides of the U-shaped opening, the two cleaning and drying devices are respectively movably connected with the support table, the plate heat exchanger is arranged between the two cleaning and drying devices, each cleaning and drying device comprises a support frame, a driving assembly, a screw thread conveying mechanism, a cleaning assembly and a drying assembly, wherein,

the support frame is movably arranged on the support table, the driving assembly is arranged on the support table and is connected with the support frame, and the driving assembly is used for driving the support frame to move;

the screw thread conveying mechanism is rotatably arranged on the supporting frame and is used for conveying and separating the plates stacked in the plate heat exchanger;

the cleaning component and the drying component are sequentially arranged on the supporting frame along the conveying direction of the thread conveying mechanism; wherein,,

the cleaning assembly is used for cleaning the plate to remove dirt on the plate;

the drying assembly is used for drying the cleaned plate to obtain a dried plate; the water tank is arranged below the U-shaped opening, the water supply device is arranged in the water tank and connected with the cleaning assembly through the corrugated pipe, and the water supply device is used for supplying liquid to the cleaning assembly.

2. The heat exchanger washing and drying apparatus according to claim 1, further comprising a first mesh belt conveyor, a second mesh belt conveyor, and a waste collection tank, wherein,

the first and second mesh belt conveyors are arranged in the U-shaped opening in sequence side by side, a drain outlet is reserved between the first and second mesh belt conveyors, the waste collection box is arranged below the drain outlet,

the first mesh belt type conveying device is arranged above the water tank and is used for conveying the dirt into the waste collecting box;

the upper end of the water tank is provided with a water inlet, wherein the water tank is used for collecting liquid filtered by the first mesh belt type conveying device;

and the second mesh belt type conveying device is used for outputting the drying plate.

3. The heat exchanger washing and drying apparatus according to claim 1, wherein the driving assembly comprises a screw, a driving part, a nut and two sliding mechanisms, wherein,

the support table is provided with a first chute, two sides of the support table, which are positioned on the first chute, are respectively provided with a second chute, the lead screw is rotatably arranged in the first chute, and one end of the lead screw penetrates through the first chute and is connected with the driving part;

the nut is sleeved on the lead screw and fixedly connected with the support frame;

the two sliding mechanisms are respectively arranged in the corresponding second sliding grooves, and the two sliding mechanisms are respectively connected with the supporting frame.

4. The heat exchanger washing and drying apparatus according to claim 3, wherein the sliding mechanism comprises a support bar and a slider, wherein,

the support rod is horizontally and fixedly arranged in the second chute;

the sliding block is slidably sleeved on the supporting rod and fixedly connected with the supporting frame.

5. The heat exchanger cleaning and drying apparatus according to claim 1, wherein the screw conveyor mechanism comprises a first threaded rod, a second threaded rod, and a drive mechanism, wherein,

the first threaded rod and the second threaded rod are sequentially and rotatably arranged on the supporting frame, the first threaded rod and the second threaded rod are integrally formed and connected, threads of the first threaded rod and threads of the second threaded rod are mutually coherent, and each screw tooth on the first threaded rod is respectively inserted between two adjacent corresponding plates;

one end of the driving mechanism is connected with the supporting frame, and the other end of the driving mechanism is connected with the end part of the first threaded rod, wherein the driving mechanism is used for driving the first threaded rod and the second threaded rod to synchronously rotate.

6. The heat exchanger wash drying apparatus of claim 5, wherein the pitch on the second threaded rod is greater than the pitch on the first threaded rod.

7. The heat exchanger cleaning and drying apparatus according to claim 5, wherein the cleaning assembly comprises a plurality of sets of high pressure spray heads and a plurality of air cannons, wherein,

the high-pressure spray heads are distributed on the support frame close to the first threaded rod, and each high-pressure spray head is connected with the water supply device through a corrugated pipe, wherein the water supply device is used for supplying liquid to the high-pressure spray heads so as to flush the plate moving to the position of the first threaded rod through the high-pressure spray heads;

the air cannons are sequentially arranged on the supporting frame and used for sending shock waves to the plate moving to the position of the first threaded rod so as to shake off dirt attached to the plate.

8. The heat exchanger washing and drying apparatus as claimed in claim 7, wherein the drying assembly comprises a blowing hood, a heating box, a blowing mechanism and a spiral heating pipe, wherein,

the blowing cover, the heating box and the blowing mechanism are sequentially arranged on the supporting frame, wherein the blowing cover and the high-pressure spray head are arranged side by side, and an air outlet of the blowing cover faces the U-shaped opening;

one end of the heating box is communicated with the blowing hood through a pipeline, and the other end of the heating box is connected with the blowing mechanism;

the spiral heating pipe is erected in the heating box and is connected with an external power supply; wherein,,

the spiral heating pipe is used for heating the inside of the heating box so as to generate hot gas;

and the blowing mechanism is used for blowing hot air to the cleaned plate through the blowing cover so as to dry the plate.

9. The heat exchanger washing and drying apparatus according to claim 1, further comprising an upper rail for suspending the plate, the upper rail being mounted on the support frame and the upper rail being in butt joint with an upper rail in the plate heat exchanger.