Plate-fin heat exchanger with anti-blocking function

Abstract

The invention relates to the technical field of heat exchangers, and discloses a plate-fin heat exchanger with an anti-blocking function, which comprises a heat exchanger body, the left side of the heat exchanger body is fixedly communicated with an inlet pipe, the left side of the inlet pipe is fixedly connected with a buffer box, and the left side of the heat exchanger body is fixedly communicated with a discharge pipe. The front portion of the buffer box is fixedly connected with a fixing plate, the top of the fixing plate is fixedly connected with a motor, and the output end of the motor is fixedly connected with a rolling wheel. Impurities and dirt which are doped in fluid and attached to the filter plate in the working process of the heat exchanger body can be scraped away, and the service life of the filter plate is prolonged; impurities and dirt are prevented from being attached to holes in the inner wall of the filter plate for a long time, the filter plate is blocked, normal work of the device is affected, impurities can be prevented from entering the heat exchanger body, the service life of the device can be prolonged, and the heat exchange effect of the device can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of heat exchangers, and in particular to a plate-fin heat exchanger with an anti-blocking function. Background Art

[0002] Plate-fin heat exchangers play a key role in many industrial fields due to their efficient heat exchange performance, compact structure and small footprint. In the energy industry, they are widely used in heat recovery and transfer in natural gas liquefaction and petroleum refining processes, which can significantly improve energy utilization efficiency.

[0003] The patent with publication number CN114152123A relates to a plate-fin heat exchanger with intelligent heat exchange function, including a body, a group of partitions are evenly arranged in the body, a chamber is formed between adjacent partitions, and a wave-shaped elastic fin No. 1 and fin No. 2 are arranged in the chamber, and the fin No. 1 and fin No. 2 are sequentially spaced and distributed in adjacent chambers, and a sliding cavity is opened at a position corresponding to the fin No. 1 on one side of the body, and the fin No. 1 extends to the inside of the sliding cavity; a push plate is slidably connected in the sliding cavity, one end of the fin No. 1 is fixedly connected to the body, and the other end is fixedly connected to the push plate; one side of the body is opposite to the push plate An oil cylinder is fixedly connected to the corresponding position through a bracket, and the piston rod of the oil cylinder passes through the main body and is fixedly connected to the push plate; the device drives the push plate through the oil cylinder, and then stretches and squeezes the elastic fin No. 1, so that the solid precipitate adhering to the fin No. 1 is broken and falls off, reducing the number of cleaning times of the fin No. 1 and reducing labor intensity. However, during long-term use of the device, the water inlet and the inside of the heat exchanger are easily blocked by impurities mixed in the fluid, which easily leads to the problem of reduced heat exchange efficiency of the heat exchanger. Therefore, a plate-fin heat exchanger with anti-blocking function is proposed to solve the above-mentioned problems. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a plate-fin heat exchanger with an anti-blocking function in view of the deficiencies in the above-mentioned prior art.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: a plate-fin heat exchanger with an anti-blocking function, comprising a heat exchanger body, the left side of the heat exchanger body is fixedly connected with an inlet pipe, the left side of the inlet pipe is fixedly connected with a buffer box, the left side of the heat exchanger body is fixedly connected with an exhaust pipe, the front part of the buffer box is fixedly connected with a fixed plate, the top of the fixed plate is fixedly connected with a motor, the output end of the motor is fixedly connected with a rolling wheel, the inner wall of the buffer box is slidably connected with a slide rail, the inner wall of the buffer box is slidably connected with a filter plate, the top of the buffer box is fixedly connected with a fixed block 1, the surface of the slide rail is fixedly connected with a U-shaped plate, the right side of the U-shaped plate is fixedly connected with a scraper, the inner wall of the fixed block 1 is slidably connected with a sliding rod through a spring, the inner wall of the sliding rod is fixedly connected with a plug plate, the inner wall of the buffer box is fixedly connected with an inclined plate, the inner wall of the buffer box is provided with a clamping device for fixing the connecting pipe, and the inner wall of the buffer box is provided with a push-pull device for avoiding impurity residue. The device, the circumferential surface of the rolling wheel is in contact with the inner wall of the slide rail, the left side of the filter plate is in contact with the right side of the scraper, the right side of the plug plate is in contact with the inner wall of the inclined plate, and the left side of the filter plate is in contact with the right side of the inclined plate. When the heat exchanger body is working, the fluid will enter the interior of the heat exchanger body through the interior of the buffer box to work, so that the impurities and dirt mixed in the fluid and attached to the filter plate during the working process of the heat exchanger body can be scraped off, thereby improving the service life of the filter plate, avoiding impurities and dirt from being attached to the holes on the inner wall of the filter plate for a long time, causing the filter plate to be blocked and thus affecting the normal operation of the device, and preventing impurities from entering the interior of the heat exchanger body, thereby improving the service life and heat exchange effect of the device, and at the same time, the filter plate can be fixed, so that the filter plate can be quickly replaced, improving the convenience of filter plate replacement, and greatly improving work efficiency. During the process of pulling out the filter plate, it will contact the inclined plate and scrape off the impurities remaining on the surface of the filter plate.

[0006] Preferably, the clamping device includes a Z-shaped rod, which is slidably connected to the inner wall of the buffer box by a spring, the inner wall of the Z-shaped rod is fixedly connected to an upper arc plate, the inner wall of the buffer box is fixedly connected to a lower arc plate, the top of the Z-shaped rod is fixedly connected to a force-bearing plate, the inner wall of the buffer box is provided with a collecting box, the inner wall of the buffer box is fixedly connected to a fixing rod by a spring, the circumferential surface of the fixing rod is slidably connected to a sliding plate, the right side of the sliding plate is fixedly connected to a connecting plate, the bottom of the connecting plate is fixedly connected to a pressing plate, the top of the connecting plate is fixedly connected to a column block, the top of the column block is fixedly connected to an oblique plate, the left side of the upper arc plate is in contact with the inner wall of the buffer box, the bottom of the filter plate is in contact with the top of the force-bearing plate, and the U-shaped plate The bottom of the filter box is in contact with the top of the inclined plate. When the filter plate is replaced and the inlet pipe needs to be replaced, the downward movement of the collection box will drive the upper arc plate to move downward, so that the upper arc plate can quickly fix the access pipe connected to the inner wall of the buffer box, thereby avoiding the access pipe from twisting during installation, which makes it inconvenient for workers to install. After the access pipe is fixed, it can be more convenient to install and replace the access pipe, so that the speed of installation and replacement can be increased to improve work efficiency. At the same time, the downward movement of the column block will drive the connecting plate to move downward, so that the impurities and dirt that fall into the collection box can be compacted, thereby avoiding the impurities from being washed to the surface of the filter plate by the fluid during the use of the device, causing the filter plate to be blocked again, forming a vicious circle.

[0007] Preferably, the pushing device includes an L-shaped plate, the L-shaped plate is fixedly connected to the top of the sliding plate, the inner wall of the L-shaped plate is fixedly connected to an elastic telescopic rod, the rear part of the telescopic end of the elastic telescopic rod is fixedly connected to a knocking block, the inner wall of the buffer box is fixedly connected to a protrusion, the left side of the sliding plate is fixedly connected to a fixed block 2, the inner wall of the fixed block 2 is rotatably connected to a rotating plate, the inner wall of the rotating plate is rotatably connected to a push plate, the inner wall of the buffer box is in contact with the rear part of the knocking block, the inner wall of the buffer box is slidably connected to the bottom of the push plate, and when the push plate is pushed, the push plate is pushed back and forth. During the compaction process of impurities, the inner wall of the buffer box can be knocked, causing the inner wall of the buffer box to vibrate and transmit the vibration to the surface of the filter plate, so that the impurities attached to the inner wall of the buffer box and the filter plate can be further cleaned, thereby reducing the risk of blockage of the heat exchanger and ensuring the normal operation of the heat exchanger. At the same time, the movement of the rotating plate will drive the push plate to move, thereby pushing the impurities that fall on the bottom of the inner wall of the buffer box to the inside of the collection box, thereby further improving the collection effect of impurities and further reducing the risk of blockage of the heat exchanger.

[0008] The present invention adopts the above technical solution to bring the following beneficial effects:

[0009] 1. The plate-fin heat exchanger with anti-blocking function works through the cooperation between the heat exchanger body, the inlet pipe, the buffer box, the discharge pipe, the fixed plate, the motor, the rolling wheel, the slide rail, the filter plate, the fixed block, the U-shaped plate, the scraper, the sliding rod, the plug plate and the inclined plate. When the heat exchanger body is working, the fluid will enter the interior of the heat exchanger body through the interior of the buffer box to work, so that the impurities and dirt mixed in the fluid and attached to the filter plate during the working process of the heat exchanger body can be scraped off, thereby improving the service life of the filter plate, avoiding the impurities and dirt from being attached to the holes on the inner wall of the filter plate for a long time, causing the filter plate to be blocked and thus affecting the normal operation of the device, and preventing impurities from entering the interior of the heat exchanger body, thereby improving the service life and heat exchange effect of the device, and at the same time, the filter plate can be fixed, so that the filter plate can be quickly replaced, improving the convenience of replacing the filter plate, and greatly improving the working efficiency. During the process of pulling out the filter plate, it will contact with the inclined plate and scrape off the impurities remaining on the surface of the filter plate.

[0010] 2. The plate-fin heat exchanger with anti-blocking function operates in coordination with the Z-shaped rod, the upper arc plate, the lower arc plate, the stress plate, the collecting box, the fixing rod, the sliding plate, the connecting plate, the pressure plate, the column block and the oblique plate. When the filter plate is replaced and the inlet pipe needs to be replaced, the downward movement of the collecting box will drive the upper arc plate to move downward, so that the upper arc plate can quickly fix the access pipe connected to the inner wall of the buffer box, thereby preventing the access pipe from twisting during installation, which would cause inconvenient installation for workers. After the access pipe is fixed, the access pipe can be installed and replaced more conveniently, thereby increasing the speed of installation and replacement to improve work efficiency. At the same time, the downward movement of the column block will drive the connecting plate to move downward, thereby compacting the impurities and dirt that fall into the collecting box, thereby preventing the impurities from being washed to the surface of the filter plate by the fluid during the use of the device, causing the filter plate to be blocked again, forming a vicious circle.

[0011] 3. The plate-fin heat exchanger with anti-blocking function can knock on the inner wall of the buffer box during the compaction of impurities through the coordinated operation of the L-shaped plate, the elastic telescopic rod, the knocking block, the protrusion, the fixed block 2, the rotating plate and the push plate, so that the inner wall of the buffer box vibrates and transmits the vibration to the surface of the filter plate, so that the impurities attached to the inner walls of the buffer box and the filter plate can be further cleaned, thereby reducing the risk of blockage of the heat exchanger and ensuring the normal operation of the heat exchanger. At the same time, the movement of the rotating plate will drive the movement of the push plate, thereby pushing the impurities dropped on the bottom of the inner wall of the buffer box to the inside of the collection box, so that the collection effect of impurities can be further improved, thereby further reducing the risk of blockage of the heat exchanger. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1It is a schematic diagram of the overall structure of the present invention;

[0013] Figure 2 A half-section diagram of the buffer box structure of the present invention;

[0014] Figure 3 A half-section diagram of a structure of a fixing block of the present invention;

[0015] Figure 4 A half-section diagram of the filter plate structure of the present invention;

[0016] Figure 5 A half-section view of the clamping device of the present invention;

[0017] Figure 6 A half-section view of the fixing rod structure of the present invention;

[0018] Figure 7 It is a schematic diagram of the pushing device of the present invention;

[0019] Figure 8 For the present invention Figure 7 A magnified view of the structure in the middle.

[0020] In the figure: 1. heat exchanger body; 2. inlet pipe; 3. buffer box; 4. discharge pipe; 5. fixed plate; 6. motor; 7. rolling wheel; 8. slide rail; 9. filter plate; 10. fixed block one; 11. U-shaped plate; 12. scraper; 13. sliding rod; 14. plug plate; 15. inclined plate; 16. clamping device; 161. Z-shaped rod; 162. upper arc plate; 163. lower arc plate; 164. force plate; 165. collecting box; 166. fixed rod; 167. sliding plate; 168. connecting plate; 169. pressing plate; 1610. column block; 1611. oblique plate; 17. pushing device; 171. L-shaped plate; 172. elastic telescopic rod; 173. knocking block; 174. bump; 175. fixed block two; 176. rotating plate; 177. pushing plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] See also Figure 1-Figure 8, one embodiment of the present invention is: a plate-fin heat exchanger with anti-blocking function, comprising a heat exchanger body 1, an inlet pipe 2 is fixedly connected to the left side of the heat exchanger body 1, a buffer box 3 is fixedly connected to the left side of the inlet pipe 2, a discharge pipe 4 is fixedly connected to the left side of the heat exchanger body 1, a fixed plate 5 is fixedly connected to the front of the buffer box 3, a motor 6 is fixedly connected to the top of the fixed plate 5, a rolling wheel 7 is fixedly connected to the output end of the motor 6, a slide rail 8 is slidably connected to the inner wall of the buffer box 3, a filter plate 9 is slidably connected to the inner wall of the buffer box 3, a fixed block 10 is fixedly connected to the top of the buffer box 3, a U-shaped plate 11 is fixedly connected to the surface of the slide rail 8, and a scraper 12 is fixedly connected to the right side of the U-shaped plate 11. When the heat exchanger body 1 is being During operation, the fluid will enter the interior of the heat exchanger body 1 through the interior of the buffer box 3 to work. When the heat exchanger body 1 is not working, the motor 6 is started, and the motor 6 starts to drive the rolling wheel 7 to rotate. The rotation of the rolling wheel 7 will generate friction with the inner wall of the slide rail 8, so that the slide rail 8 can move forward and backward along the rotation direction of the rolling wheel 7 through the friction. The forward movement of the slide rail 8 will drive the U-shaped plate 11 to move, and the movement of the U-shaped plate 11 will drive the scraper 12 to move and contact the left side of the filter plate 9, so that the impurities and dirt mixed in the fluid and attached to the filter plate 9 during the working process of the heat exchanger body 1 can be scraped off, thereby improving the service life of the filter plate 9 and preventing impurities and dirt from being attached to the holes on the inner wall of the filter plate 9 for a long time, resulting in The filter plate 9 is blocked and thus affects the normal operation of the device. It can also prevent impurities from entering the interior of the heat exchanger body 1, thereby improving the service life and heat exchange effect of the device. The inner wall of the fixed block 10 is connected to the sliding rod 13 through a spring sliding connection. The inner wall of the sliding rod 13 is fixedly connected to the plug plate 14. The inner wall of the buffer box 3 is fixedly connected to the inclined plate 15. The inner wall of the buffer box 3 is provided with a clamping device 16 for fixing the connecting pipe. The inner wall of the buffer box 3 is provided with a pushing device 17 for preventing impurities from remaining. The circumferential surface of the rolling wheel 7 is in contact with the inner wall of the slide rail 8. The left side of the filter plate 9 is in contact with the right side of the scraper 12. The right side of the plug plate 14 is in contact with the inner wall of the inclined plate 15. The left side of the filter plate 9 is in contact with the inclined plate 15. The right side of the filter plate 9 contacts each other. At the same time, when the filter plate 9 needs to be replaced, the filter plate 9 is pulled upward by the handle. The upward movement of the filter plate 9 will produce a leftward squeezing force on the plug plate 14, so that the plug plate 14 moves to the left. The left movement of the plug plate 14 drives the sliding rod 13 to move to the left and stretches the spring, thereby releasing the limit of the filter plate 9 so that the filter plate 9 can be pulled out. When the plug plate 14 does not contact the filter plate 9, the spring will reset, thereby fixing the filter plate 9, so that the filter plate 9 can be quickly replaced, thereby improving the convenience of replacing the filter plate 9 and greatly improving the work efficiency. During the process of pulling out the filter plate 9, it will contact with the inclined plate 15 and scrape off the impurities remaining on the surface of the filter plate 9.

[0023] The clamping device 16 includes a Z-shaped rod 161, which is slidably connected to the inner wall of the buffer box 3 through a spring, an upper arc plate 162 is fixedly connected to the inner wall of the Z-shaped rod 161, a lower arc plate 163 is fixedly connected to the inner wall of the buffer box 3, a force plate 164 is fixedly connected to the top of the Z-shaped rod 161, and a collecting box 165 is installed on the inner wall of the buffer box 3. When the filter plate 9 is replaced and the inlet pipe needs to be replaced, the filter plate 9 moves downward and contacts with the force plate 164, and generates a downward squeezing force on the force plate 164 to make the force plate 164 move downward, and the force plate The downward movement of 164 drives the collection box 165 to move downward, and the downward movement of the collection box 165 drives the upper arc plate 162 to move downward, so that the upper arc plate 162 can quickly fix the access tube connected to the inner wall of the buffer box 3, thereby preventing the access tube from twisting during installation, resulting in inconvenient installation for workers. After the access tube is fixed, the access tube can be installed and replaced more conveniently, so that the speed of installation and replacement can be increased to improve work efficiency. The inner wall of the buffer box 3 is fixedly connected with a fixing rod 166 through a spring. The fixing rod 166 The circumferential surface of the upper arc plate 162 is slidably connected with a sliding plate 167, the right side of the sliding plate 167 is fixedly connected with a connecting plate 168, the bottom of the connecting plate 168 is fixedly connected with a pressing plate 169, the top of the connecting plate 168 is fixedly connected with a column block 1610, the top of the column block 1610 is fixedly connected with an oblique plate 1611, the left side of the upper arc plate 162 is in contact with the inner wall of the buffer box 3, the bottom of the filter plate 9 is in contact with the top of the force plate 164, the bottom of the U-shaped plate 11 is in contact with the top of the oblique plate 1611, and when the filter plate 9 is cleaned, the U-shaped plate 11 is moved to The forward movement will contact the oblique plate 1611 and generate a downward squeezing force on the oblique plate 1611 through the inclined surface of the oblique plate 1611, so that the oblique plate 1611 moves downward. The downward movement of the oblique plate 1611 will drive the column block 1610 to move downward, and the downward movement of the column block 1610 will drive the connecting plate 168 to move downward, thereby compacting the impurities and dirt that fall into the collection box 165, thereby preventing the impurities from being washed to the surface of the filter plate 9 by the fluid during the use of the device, causing the filter plate 9 to be blocked again, forming a vicious circle.

[0024] Working principle: When the heat exchanger body 1 is working, the fluid will enter the interior of the heat exchanger body 1 through the inside of the buffer box 3 to work. When the heat exchanger body 1 is not working, the motor 6 is started, and the motor 6 starts to drive the rolling wheel 7 to rotate. The rotation of the rolling wheel 7 will generate friction with the inner wall of the slide rail 8, so that the slide rail 8 can move forward and backward along the rotation direction of the rolling wheel 7 through friction. The forward movement of the slide rail 8 will drive the U-shaped plate 11 to move, and the movement of the U-shaped plate 11 drives the scraper 12 to move and contact the left side of the filter plate 9, so that the impurities and dirt mixed in the fluid and attached to the filter plate 9 during the working process of the heat exchanger body 1 can be scraped off, thereby improving the service life of the filter plate 9 and preventing impurities and dirt from adhering to the holes on the inner wall of the filter plate 9 for a long time, causing the filter plate 9 to be blocked and affecting the normal operation of the device. The filter plate 9 can be easily replaced by the user, and the filter plate 9 can be easily replaced by the user, and the user can also easily replace the filter plate 9 by the user, so that the filter plate 9 can be easily replaced by the user, and the user can also easily replace the filter plate 9 by the user, so that the user can easily replace the filter plate 9 by the user, and the user can easily replace the filter plate 9 by the user, so that the user can easily replace the filter plate 9 by the user, and the user can easily replace the filter plate 9 by the user, so that the user can easily replace the filter plate 9 by the user,

[0025] When the filter plate 9 is replaced and the access inlet pipe needs to be replaced, the filter plate 9 moves downward to contact the force-bearing plate 164, and generates a downward squeezing force on the force-bearing plate 164 to move the force-bearing plate 164 downward. The downward movement of the force-bearing plate 164 drives the collection box 165 downward, and the downward movement of the collection box 165 drives the upper arc plate 162 downward, so that the upper arc plate 162 can quickly fix the access pipe connected to the inner wall of the buffer box 3, thereby preventing the access pipe from twisting during installation, resulting in inconvenient installation for workers. After the access pipe is fixed, the access pipe can be installed and replaced more conveniently, which can improve the installation and replacement efficiency. speed to improve work efficiency. At the same time, when cleaning the filter plate 9, the U-shaped plate 11 moves forward to contact the oblique plate 1611 and can generate a downward squeezing force on the oblique plate 1611 through the inclined surface of the oblique plate 1611, so that the oblique plate 1611 moves downward. The downward movement of the oblique plate 1611 will drive the column block 1610 to move downward, and the downward movement of the column block 1610 will drive the connecting plate 168 to move downward, so that the impurities and dirt that fall into the collection box 165 can be compacted, thereby preventing the impurities from being washed to the surface of the filter plate 9 by the fluid during the use of the device, causing the filter plate 9 to be blocked again, forming a vicious circle.

[0026] See also Figure 1-Figure 8On the basis of the above embodiment, in another embodiment of the present invention, the pushing device 17 includes an L-shaped plate 171, the L-shaped plate 171 is fixedly connected to the top of the sliding plate 167, the inner wall of the L-shaped plate 171 is fixedly connected to an elastic telescopic rod 172, the rear part of the telescopic end of the elastic telescopic rod 172 is fixedly connected to a knocking block 173, and the inner wall of the buffer box 3 is fixedly connected to a protrusion 174. During the compaction of impurities, the sliding plate 167 moves downward to drive the elastic telescopic rod 172 to move downward, and the elastic telescopic rod 172 moves downward. The retracted rod 172 moves downward to drive the knocking block 173 to move downward. When the knocking block 173 moves, it will contact the protrusion 174 and receive the extrusion force generated by the protrusion 174, so that the knocking block 173 moves forward. The forward movement of the knocking block 173 will compress the elastic telescopic rod 172. When the knocking block 173 passes over the protrusion 174, the knocking block 173 is no longer subjected to the extrusion force of the protrusion 174, so that the knocking block 173 is reset by the elastic telescopic rod 172, and the inner wall of the buffer box 3 is produced. The knocking causes the inner wall of the buffer box 3 to vibrate and transmit the vibration to the surface of the filter plate 9, so that the impurities attached to the inner walls of the buffer box 3 and the filter plate 9 can be further cleaned, so that the risk of blockage of the heat exchanger can be reduced and the normal operation of the heat exchanger can be ensured. The left side of the sliding plate 167 is fixedly connected with a fixed block 175, and the inner wall of the fixed block 175 is rotatably connected with a rotating plate 176, and the inner wall of the rotating plate 176 is rotatably connected with a push plate 177. The inner wall of the buffer box 3 contacts the rear part of the knocking block 173, and the inner wall of the buffer box 3 is slidably connected with the bottom of the push plate 177. At the same time, the movement of the sliding plate 167 will drive the fixed block 175 to move, and the movement of the fixed block 175 drives the rotating plate 176 to move and rotate, and the movement of the rotating plate 176 will drive the push plate 177 to move, so that the impurities dropped on the bottom of the inner wall of the buffer box 3 can be pushed into the inside of the collecting box 165, so that the collection effect of impurities can be further improved, thereby further reducing the risk of blockage of the heat exchanger.

[0027] Working principle: During the compaction of impurities, the sliding plate 167 moves downward, driving the elastic telescopic rod 172 to move downward, and the elastic telescopic rod 172 moves downward, driving the knocking block 173 to move downward, and the knocking block 173 contacts with the protrusion 174 when moving and is subjected to the extrusion force generated by the protrusion 174, so that the knocking block 173 moves forward by being squeezed, and the forward movement of the knocking block 173 compresses the elastic telescopic rod 172, and when the knocking block 173 passes over the protrusion 174, the knocking block 173 is no longer subjected to the extrusion force of the protrusion 174, so that the knocking block 173 knocks on the inner wall of the buffer box 3 through the force of the elastic telescopic rod 172 to reset, so that the buffer The inner wall of the box 3 vibrates and transmits the vibration to the surface of the filter plate 9, so that the impurities attached to the inner walls of the buffer box 3 and the filter plate 9 can be further cleaned, thereby reducing the risk of blockage of the heat exchanger and ensuring the normal operation of the heat exchanger. At the same time, the movement of the sliding plate 167 will drive the fixed block 175 to move, and the movement of the fixed block 175 will drive the rotating plate 176 to move and rotate. The movement of the rotating plate 176 will drive the push plate 177 to move, so that the impurities dropped on the bottom of the inner wall of the buffer box 3 can be pushed to the inside of the collection box 165, so that the collection effect of impurities can be further improved, thereby further reducing the risk of blockage of the heat exchanger.

[0028] The present invention provides a plate-fin heat exchanger with anti-blocking function. There are many methods and ways to implement the technical solution. The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention. All components not specified in this embodiment can be implemented by existing technologies.

Claims

1. A plate-fin heat exchanger with anti-blocking function, comprising a heat exchanger body (1), characterized in that: The left side of the heat exchanger body (1) is fixedly connected to an inlet pipe (2), the left side of the inlet pipe (2) is fixedly connected to a buffer box (3), the left side of the heat exchanger body (1) is fixedly connected to an outlet pipe (4), the front of the buffer box (3) is fixedly connected to a fixed plate (5), the top of the fixed plate (5) is fixedly connected to a motor (6), the output end of the motor (6) is fixedly connected to a rolling wheel (7), the inner wall of the buffer box (3) is slidably connected to a slide rail (8), the inner wall of the buffer box (3) is slidably connected to a filter plate (9), the top of the buffer box (3) is fixedly connected to a filter plate (9), A fixed block (10) is connected, a U-shaped plate (11) is fixedly connected to the surface of the slide rail (8), a scraper (12) is fixedly connected to the right side of the U-shaped plate (11), the inner wall of the fixed block (10) is slidably connected to a sliding rod (13) via a spring, the inner wall of the sliding rod (13) is fixedly connected to a plug plate (14), the inner wall of the buffer box (3) is fixedly connected to an inclined plate (15), the inner wall of the buffer box (3) is provided with a clamping device (16) for fixing a connecting pipe, and the inner wall of the buffer box (3) is provided with a pushing device (17) for preventing impurities from remaining.

2. A plate-fin heat exchanger with anti-blocking function according to claim 1, characterized in that: The circumferential surface of the rolling wheel (7) contacts the inner wall of the slide rail (8), the left side of the filter plate (9) contacts the right side of the scraper plate (12), the right side of the plug plate (14) contacts the inner wall of the inclined plate (15), and the left side of the filter plate (9) contacts the right side of the inclined plate (15).

3. The plate-fin heat exchanger with anti-blocking function according to claim 2, characterized in that: The clamping device (16) comprises a Z-shaped rod (161), the Z-shaped rod (161) is slidably connected to the inner wall of the buffer box (3) via a spring, the inner wall of the Z-shaped rod (161) is fixedly connected to an upper arc plate (162), the inner wall of the buffer box (3) is fixedly connected to a lower arc plate (163), the top of the Z-shaped rod (161) is fixedly connected to a force-bearing plate (164), the inner wall of the buffer box (3) is provided with a collecting box (165), and the inner wall of the buffer box (3) is fixedly connected to a fixing rod (166) via a spring.

4. The plate-fin heat exchanger with anti-blocking function according to claim 3, characterized in that: The circumferential surface of the fixed rod (166) is slidably connected to a sliding plate (167), the right side of the sliding plate (167) is fixedly connected to a connecting plate (168), the bottom of the connecting plate (168) is fixedly connected to a pressing plate (169), the top of the connecting plate (168) is fixedly connected to a column block (1610), and the top of the column block (1610) is fixedly connected to an inclined plate (1611).

5. The plate-fin heat exchanger with anti-blocking function according to claim 4, characterized in that: The left side of the upper arc plate (162) contacts the inner wall of the buffer box (3), the bottom of the filter plate (9) contacts the top of the force-bearing plate (164), and the bottom of the U-shaped plate (11) contacts the top of the inclined plate (1611).

6. The plate-fin heat exchanger with anti-blocking function according to claim 5, characterized in that: The pushing device (17) comprises an L-shaped plate (171), the L-shaped plate (171) is fixedly connected to the top of the sliding plate (167), the inner wall of the L-shaped plate (171) is fixedly connected to an elastic telescopic rod (172), and the rear part of the telescopic end of the elastic telescopic rod (172) is fixedly connected to a knocking block (173).

7. The plate-fin heat exchanger with anti-blocking function according to claim 6, characterized in that: The inner wall of the buffer box (3) is fixedly connected with a protrusion (174), the left side of the sliding plate (167) is fixedly connected with a second fixed block (175), the inner wall of the second fixed block (175) is rotatably connected with a rotating plate (176), and the inner wall of the rotating plate (176) is rotatably connected with a push plate (177).

8. The plate-fin heat exchanger with anti-blocking function according to claim 7, characterized in that: The inner wall of the buffer box (3) is in contact with the rear portion of the knocking block (173), and the inner wall of the buffer box (3) is slidably connected to the bottom of the push plate (177).

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