CN216245719U

CN216245719U - Heat exchanger

Info

Publication number: CN216245719U
Application number: CN202122813177.1U
Authority: CN
Inventors: 陈少军; 蒋仁积; 黄北洋; 蔡从斌
Original assignee: Foshan Weishan Environmental Protection Technology Co ltd; Yoantion Industrial Inc ltd
Current assignee: Zhejiang Yuantai Intelligent Manufacturing Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-04-08
Anticipated expiration: 2031-11-16

Abstract

The utility model provides a heat exchanger which comprises a gas-gas heat energy exchange mechanism and a cleaning mechanism, wherein the gas-gas heat energy exchange mechanism and the cleaning mechanism are both positioned in a heat exchange box body, the gas-gas heat energy exchange mechanism comprises a gas-gas heat exchange box component, an air outlet pipeline and a blower, the cleaning mechanism comprises a plurality of cleaning branch pipes, the gas-gas heat exchange box component is positioned on one side of the cleaning branch pipes, one end of the gas-gas heat exchange box component is fixedly communicated to the blower, the other end of the gas-gas heat exchange box component is fixedly communicated to an air inlet of external equipment through the air outlet pipeline, and the blower and the cleaning mechanism are both in signal connection with a controller. The heat exchanger disclosed by the utility model is simple in structure and reasonable in design, an included angle is formed between the heat exchange tube and the horizontal plane, and the air inlet end of the heat exchange tube is provided with the cleaning mechanism, so that the heat exchange of waste gas is not influenced, the oil stain in the heat exchange tube is conveniently cleaned, and the practicability of the heat exchanger is greatly improved.

Description

Heat exchanger

Technical Field

The utility model belongs to the technical field of equipment for recovering heat energy in waste gas treatment, and particularly relates to a heat exchanger.

Background

The forming machine is one of main power consumption equipment in the textile dyeing and finishing trade, heat setting machine utilizes the hot-air to carry out the device of drying and arrangement and making it stereotype to the fabric, because the forming machine adopts carries out the operation through high temperature, and different materials are remained to the textile material of different surface fabrics etc., for example, often remain the grease on the chemical fibre class surface fabric, can vaporize and attach in the waste gas of forming machine after high temperature steam treatment, in addition, remain paraffin etc. on the cotton fibre class surface fabric, also for vaporizing and attach in the waste gas of forming machine after high temperature steam treatment, the humiture of the waste gas of emission is great with the humiture difference of air in the external environment, can produce the steam wake phenomenon in the final exit of waste gas, influence air visibility, it is big to environmental pollution, influence the environmental protection, consequently need carry out exhaust-gas treatment, the problem that the forming machine exhaust-gas treatment exists at present: because the waste of the waste gas emission energy of forming machine is big, need carry out the heat transfer to waste gas, nevertheless there are dust and oil wax in the waste gas, deposit easily on filter screen and heat exchanger pipeline, lead to filter screen, heat exchanger clearance degree of difficulty high, also lead to simultaneously the waste heat recovery efficiency to the forming machine not high and purification treatment not thorough, consequently need a heat exchanger with filtering capability.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to a heat exchanger to solve the deficiencies of the prior art.

In order to achieve the purpose, the technical scheme of the utility model is realized as follows:

a heat exchanger comprises a gas-gas heat energy exchange mechanism and a cleaning mechanism which are both positioned in a heat exchange box body, wherein the gas-gas heat energy exchange mechanism comprises a gas-gas heat exchange box component, an air outlet pipeline and a blower;

the air-air heat exchange box is characterized in that a plurality of heat exchange tubes are arranged in the air-air heat exchange box assembly, the heat exchange tubes are arranged in parallel, the air inlet end of each heat exchange tube faces the cleaning branch tube, and an included angle is formed between each heat exchange tube and the horizontal plane.

Further, the included angle is an acute angle structure; the included angle ranges from 0 degree to 20 degrees.

Further comprises an automatic dust removing box, the automatic dust removing box comprises a dust removing box body, a filter screen assembly, a driving structure, a guide plate, an air equalizing plate, a cleaning structure and an air isolating plate assembly, the dust removal box body is of a cuboid structure, one side of the dust removal box body is provided with a smoke inlet, the smoke inlet is communicated with a smoke outlet of external equipment through a pipeline, the other side of the dust removal box body is fixedly connected to a guide plate, one side of the guide plate is fixedly provided with an air-equalizing plate, one side of the air-equalizing plate is provided with a gas-gas heat energy exchange mechanism, the dust removal box body is internally provided with a driving structure, a cleaning structure and an air isolating plate component, the driving structure is in meshing transmission with the filter screen component and is used for driving the filter screen component to rotate, the bottom of the driving structure is provided with the cleaning structure, and a wind isolation plate component is arranged between the driving structure and the cleaning structure, and the driving structure and the cleaning structure are in signal connection with the controller.

Further, the filter screen subassembly includes filter screen body and 2 filter chains, the filter screen body is the loop configuration, and filter chain is connected to filter screen body both sides fixed connection respectively, and every filters the chain and all meshes the transmission with the drive structure.

Further, the drive structure includes driving motor, initiative gyro wheel and 3 driven gyro wheels, driving motor is fixed to dust removal box outer wall one side, driving motor's output shaft fixed connection is to the center pin of initiative gyro wheel, and initiative gyro wheel one side is equipped with 3 driven gyro wheels, and the rectangle structure is constituteed to initiative gyro wheel and 3 driven gyro wheels, and the both ends of initiative gyro wheel, moving gyro wheel are equallyd divide and are do not passed through gear engagement transmission to filtering the chain, driving motor's driver signal connection to controller.

Further, the clearance structure is including clearance casing, integrated box, air compressor, dust catcher and a plurality of clearance nozzle, the clearance casing is located between two driven gyro wheels, and clearance casing top is equipped with separates the wind board subassembly, and a plurality of clearance nozzles of the inside equipartition of clearance casing, every clearance nozzle all fixed intercommunication to air compressor, and integrated box is fixed to dust removal bottom of the box inner wall, is equipped with the dust catcher in the integrated box, is equipped with the clearance nozzle directly over the integrated box, and is equipped with the filter screen body between integrated box and the clearance nozzle, the equal signal connection of air compressor, dust catcher to controller.

Further, the air partition plate assembly comprises a first air partition plate, a second air partition plate and a third air partition plate which are of an integrally formed structure, one end of the second air partition plate is provided with the first air partition plate, the other end of the second air partition plate is provided with the third air partition plate, and a connecting angle between the second air partition plate and the first air partition plate is an obtuse angle structure.

Further, the clearance mechanism is still responsible for, washing including wasing water pump, cleaning tank assembly, washing tank, a plurality of pneumatic valve, a plurality of spray branch pipe, the washing is responsible for and installs to heat transfer box top, and the washing tank is fixed in the heat transfer bottom half, washs and is responsible for one side and be connected to cleaning tank assembly through wasing the water pump tube, washs and is responsible for a plurality of washing branch pipes of opposite side axial equipartition and spray branch pipe, washs and is responsible for and wash the branch pipe, spray and be equipped with the pneumatic valve between the branch pipe, all is equipped with a plurality of washing nozzles on every washing branch pipe, wash the equal signal connection of tank assembly, pneumatic valve to controller.

Further, still include gas water heat energy exchange mechanism, spray the branch pipe and be located gas water heat energy exchange mechanism.

Compared with the prior art, the heat exchanger disclosed by the utility model has the following advantages:

(1) the heat exchanger is simple in structure and reasonable in design, the included angle is formed between the heat exchange tube and the horizontal plane, and the cleaning mechanism is arranged at the air inlet end of the heat exchange tube, so that heat exchange of waste gas is not influenced, oil stains in the heat exchange tube can be conveniently cleaned, and the practicability of the heat exchanger is greatly improved.

(2) The heat exchanger is provided with two stages of filtering, so that most of dust and lint in waste gas can be blocked, unnecessary shutdown and heat energy loss caused by cleaning the dust are reduced, fire hazard and low heat recovery efficiency caused by excessive dust accumulation are reduced, intermittent automatic cleaning is realized, manpower is saved, the daily maintenance workload of operators is reduced, and the secondary filtering is beneficial to further cleaning the tiny dust in the waste gas.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

fig. 1 is a schematic overall structure diagram of a heat exchanger according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of the overall structure of a heat exchanger according to an embodiment of the present invention;

fig. 3 is a schematic view of an automatic dust removal box of a heat exchanger according to an embodiment of the present invention.

Description of reference numerals:

1. an automatic dust removal box; 11. a dust removal box body; 111. a smoke inlet; 12. a screen assembly; 121. a filter screen body; 122. a filter chain; 13. a drive structure; 131. a drive motor; 132. a driving roller; 133. a driven roller; 14. a baffle; 15. a wind equalizing plate; 16. cleaning the structure; 161. cleaning the shell; 162. an integration box; 163. cleaning the nozzle; 17. a wind shield assembly; 171. a first air baffle plate; 172. a second air partition plate; 173. a third air partition plate; 2. a gas-gas heat energy exchange mechanism; 21. a first heat exchange box; 211. a heat exchange box body; 212. a heat exchange baffle; 213. a heat exchange pipe; 22. a second heat exchange box; 23. an air inlet pipeline; 24. an air outlet pipeline; 25. a blower; 3. a heat exchange box body; 4. a cleaning mechanism; 41. cleaning the main pipe; 42. a cleaning tank; 43. cleaning the branch pipe; 44. spraying branch pipes; 5. air water heat energy exchange mechanism.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. 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 defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1 to 3, a heat exchanger comprises a gas-gas heat energy exchange mechanism 2 and a cleaning mechanism 4 which are both located in a heat exchange box 3, wherein the gas-gas heat energy exchange mechanism 2 comprises a gas-gas heat exchange box assembly, an air outlet pipeline 24 and an air blower 25, the cleaning mechanism 4 comprises a plurality of cleaning branch pipes 43, the gas-gas heat exchange box assembly is located on one side of the cleaning branch pipes 43, one end of the gas-gas heat exchange box assembly is fixedly communicated to the air blower 25, the other end of the gas-gas heat exchange box assembly is fixedly communicated to an air inlet of external equipment through the air outlet pipeline 24, and the air blower 25 and the cleaning mechanism 4 are both in signal connection with a controller; the gas-gas heat exchange box assembly is internally provided with a plurality of heat exchange tubes 213, the heat exchange tubes 213 are arranged in parallel, the gas inlet end of each heat exchange tube 213 faces the cleaning branch tube 43, and an included angle is formed between each heat exchange tube 213 and the horizontal plane. The device also comprises a gas-water heat energy exchange mechanism 5, and the spraying branch pipe 44 is positioned in the gas-water heat energy exchange mechanism 5.

The included angle is an acute angle structure; the included angle ranges from 0 degree to 20 degrees. In this embodiment, the horizontal drop at the two ends of the heat exchange tube 212 is 20mm, and the cleaning branch tube 43 is located at the high end of the heat exchange tube 212, so that the subsequent cleaning of the oil wax in the heat exchange tube 212 can be facilitated, the oil wax can flow out conveniently, and the practicability of the structure is further improved.

Still include automatic dust removal case 1, automatic dust removal case 1 includes dust removal box 11, filter screen subassembly 12, drive structure 13, guide plate 14, air equalizing plate 15, clearance structure 16 and air baffle subassembly 17, dust removal box 11 is the cuboid structure, dust removal box 11 one side has been seted up into mouth 111, the mouth 111 that advances is linked together through the outlet flue of pipeline with external equipment, dust removal box 11 opposite side fixed connection to guide plate 14, guide plate 14 one side fixed mounting air equalizing plate 15, air-gas heat energy exchange mechanism 2 is equipped with to air equalizing plate 15 one side, dust removal box 11 internally mounted drive structure 13, clearance structure 16, air baffle subassembly 17, drive structure 13 and filter screen subassembly 12 mesh transmission, drive structure 13 is used for driving filter screen subassembly 12 to rotate, drive structure 13 bottom is equipped with clearance structure 16, and be equipped with air baffle subassembly 17 between drive structure 13, the clearance structure 16, the driving structure 13 and the cleaning structure 16 are both connected to the controller by signals. The controller is prior art, can all can for industrial computer or PLC, in this embodiment, just can filter 95% with the gross dust in the oily wax high temperature waste gas through automatic dust removal case 1, creates good operating mode for heat exchanger at the back, simple structure moreover, reasonable in design, the cost is not high, realizes automated control, uses manpower sparingly.

The filter screen assembly 12 comprises a

filter screen body

121 and 2 filter chains 122, the filter screen body 121 is of an annular structure, the two sides of the filter screen body 121 are fixedly connected with the filter chains 122 respectively, and each filter chain 122 is meshed with the driving structure 13 for transmission. In this embodiment, the filter chain 122 is arranged so that the driving structure 13 drives the filter screen body 121 to rotate, which not only facilitates the improvement of the filtering effect of the high-temperature waste gas, but also achieves the effect of cleaning the filter screen body 121.

The driving structure 13 includes a driving motor 131, a driving

roller

132 and 3 driven rollers 133, the driving motor 131 is fixed to one side of the outer wall of the dust removing box 11, an output shaft of the driving motor 131 is fixedly connected to a central shaft of the driving

roller

132, 3 driven rollers 133 are arranged on one side of the driving roller 132, the driving roller 132 and the 3 driven rollers 133 form a rectangular structure, two ends of the driving roller 132 and the driven rollers 133 are respectively transmitted to the filter chain 122 through gear engagement, and a driver signal of the driving motor 131 is connected to the controller. In this embodiment, driving motor 131 is alternating current motor, and driving motor 131's rotational speed can be controlled in the controller through the derailleur, and is specific, and driving motor 131's output shaft rotates and drives initiative gyro wheel 132 and rotate, and initiative gyro wheel 132 rotates and drives and filter chain 122 and rotate, and it drives 3 driven gyro wheels 133 initiative to filter chain 122 rotation to make whole filter screen subassembly 12 rotate, use like this with clearance structure 16, just can reach automatic clearance function. When actually filtering, drive structure 13 can be set well the start-up time of drive structure 13 in the controller in advance to in energy saving, in this embodiment, drive structure 13 rotates the round through drive structure 13 drive filter screen subassembly 12 every hour, and the time of rotating the round is three four seconds probably, and meanwhile, clearance structure 16 is also working when filter screen subassembly 12 rotates, thereby reaches the clearance effect to filter screen subassembly 12.

Guide plate 14 is tubaeform structure, and tubaeform structure's setting is avoided high temperature waste gas not directly to enter into gas heat energy exchange mechanism 2 through this automatic dust removal case 1 in, plays the water conservancy diversion effect, further improves the practicality of this device.

The wind-equalizing plate 15 comprises a left part and a right part which are detachably connected, the left part and the right part are of grid structures, and the wind-equalizing plate 15 is used for fully and uniformly conveying high-temperature waste gas to the gas-gas heat energy exchange device 2, so that the heat exchange efficiency of the high-temperature waste gas in the gas-gas heat energy exchange device 2 is higher.

Clearance structure 16 is including clearance casing 161, integrated box 162, air compressor, dust catcher and a plurality of clearance nozzle 163, clearance casing 161 is located between two driven gyro wheels 133, and clearance casing 161 top is equipped with wind deflector subassembly 17, a plurality of clearance nozzles 163 of the inside equipartition of clearance casing 161, and every clearance nozzle 163 all fixed intercommunication to air compressor, and integrated box 162 is fixed to the inner wall in dust removal box 11 bottom, is equipped with the dust catcher in the integrated box 162, is equipped with clearance nozzle 163 directly over integrated box 162, and is equipped with filter screen body 121 between integrated box 162 and the clearance nozzle 163, the equal signal connection of air compressor, dust catcher to the controller. In this embodiment, the air compressor and the dust collector are both in the prior art, and when the dust collector is actually used, the dust on the filter screen body 121 can be blown down by the air compressor, and then the dust collector sucks the dust on the filter screen body 121 in the integrated box 162.

The air partition plate assembly 17 comprises an air partition plate 171, a second air partition plate 172 and a third air partition plate 173 of an integrally formed structure, one end of the second air partition plate 172 is provided with the first air partition plate 171, the other end of the second air partition plate 172 is provided with the third air partition plate 173, and the connecting angle between the second air partition plate 172 and the first air partition plate 171 and between the third air partition plate 173 is an obtuse angle structure. The arrangement of the air baffle assembly 17 prevents high-temperature waste gas from entering the bottom of the filter screen assembly 12 through the filter screen assembly 12, so that the filter screen assembly 12 is not convenient to clean.

Cleaning mechanism 4 is still including wasing the water pump, washing case subassembly, wash and be responsible for 41, washing tank 42, a plurality of pneumatic valve and a plurality of spray branch pipe 44, wash and be responsible for 41 and install to 3 tops of heat transfer box, washing tank 42 is fixed in the 3 bottoms of heat transfer box, wash and be responsible for 41 one side and be connected to washing case subassembly through wasing the water pump tube, wash and be responsible for 41 opposite side axial equipartitions a plurality of washing branch pipes 43 and spray branch pipe 44, wash and be responsible for 41 and wash branch pipe 43, spray and be equipped with the pneumatic valve between the branch pipe 44, every washs and all is equipped with a plurality of washing nozzles on the branch pipe 43, wash the equal signal connection of case subassembly, pneumatic valve to controller. In this embodiment, the pneumatic valve is a prior art, and the pneumatic valve can control a plurality of cleaning branch pipes 43, thereby performing cleaning operation on the high-temperature exhaust gas treatment apparatus, and the cleaning tank assembly is used for cleaning the cleaning tank 42. The spray branch pipe 44 not only can clean the air-water heat exchange mechanism 5, but also can control the pneumatic valve on the cleaning main pipe 41 to open when the temperature of the waste gas is higher than the set temperature of the system, so that water is sprayed out from the fire extinguishing nozzle to extinguish the fire of the waste gas at the front end of the automatic dust removing box 1.

Wash the case subassembly including wasing box, water oil separating unit and heater, wash inside being equipped with of box and accomodate groove and aqua storage tank, be equipped with water oil separating unit in the aqua storage tank, top one side fixed mounting heater, the equal signal connection of water oil separating unit and heater to controller, in this embodiment, the heater is prior art, and the heater can heat the liquid that washs the box to help the deoiling wax removal of modularization forming machine high temperature exhaust-gas treatment all-in-one.

The oil-water separation unit comprises a separation rotating shaft, a separation rotating plate and a separation motor, the separation motor is fixedly connected to one side of the cleaning box body, an output shaft of the separation motor is fixedly connected to the separation rotating shaft, the separation rotating plate is fixedly connected to the axial direction of the outer wall of the separation rotating shaft, the separation rotating plate is of an L-shaped structure, the separation rotating plate is convenient to scrape grease in the water storage tank into a containing groove, and the separation motor is connected to the controller through signals. In this embodiment, the split motor is prior art. The oil-water separation unit is used for separating oil from water in the water storage tank, so that the water and the oil in the water storage tank can be separated conveniently.

Example 1

The gas-gas heat energy exchange mechanism 2 comprises a first heat exchange box 21, a second heat exchange box 22, an air inlet pipeline 23, an air outlet pipeline 24 and an air blower 25, the first heat exchange box 21 and the second heat exchange box 22 are identical in structure, one end of the first heat exchange box 21 is fixedly communicated to the air blower 25, the other end of the first heat exchange box 21 is fixedly communicated to the second heat exchange box 22 through the air inlet pipeline 23, the second heat exchange box 22 is located on one side of the air equalizing plate 15, one side of the second heat exchange box 22 is fixedly communicated to an air inlet of external equipment through the air outlet pipeline 24, and the air blower 25 is connected to a controller in a signal mode. The air-gas heat energy exchange mechanism 2 can reduce the high-temperature waste gas to 90-110 degrees, the high-temperature air reaching 90-110 degrees through the heat exchange air outlet is conveyed to the setting machine 7 to supplement heat energy, so that the energy consumption of the setting machine is reduced by 30-35 percent, and during actual use, the blower 25 can blow indoor air of 35-45 degrees into the box body for heat exchange.

The first heat exchange box 21 comprises a heat exchange box body 211, a heat exchange baffle 212 and a plurality of heat exchange tubes 213, one end of the heat exchange box body 211 is fixedly communicated with the air blower 25, the other end of the heat exchange box body is fixedly communicated with the air inlet pipeline 23, the heat exchange baffle 212 is fixedly installed inside the heat exchange box body 211, a plurality of heat exchange holes are formed in the heat exchange baffle 212, one heat exchange tube 212 is installed in each heat exchange hole, the heat exchange tubes 212 are used for waste gas to pass through, the heat exchange box body 211 is divided into two by the heat exchange baffle 212, and therefore air can flow through each heat exchange tube 212 in the heat exchange box body 211 conveniently, and heat exchange efficiency is improved.

The working principle of the heat exchanger is as follows:

during actual use, a worker manually starts the controller, the controller controls the gas-gas heat energy exchange mechanism 2, the cleaning water pump of the cleaning mechanism 4, the pneumatic valve of the spray branch pipe 44 and the gas-water heat energy exchange mechanism 5 to start working, then waste gas discharged from the setting machine sequentially passes through the automatic dust removal box 1 for filtration and then enters the gas-gas heat energy exchange mechanism 2 for gas-gas heat exchange, and then is sprayed through the spray branch pipe 44 and then enters the gas-water heat energy exchange mechanism 5 for gas-water heat exchange (before waste gas treatment, the cleaning water pump sprays water into the heat exchange box body 3 through the spray branch pipe 44);

when the automatic dust removing box 1 is cleaned (the start time and the stop time of cleaning can be set in advance by workers in a controller, and the driving motor 131, the air compressor and the dust collector can be started and stopped at intervals at the same time), the controller controls the driving motor 131, the air compressor and the dust collector to respectively start working, an output shaft of the driving motor 131 rotates to drive the driving roller 132 to rotate, the driving roller 132 rotates to drive the filter chain 122 to rotate, the filter chain 122 rotates to drive the 3 driven rollers 133 to drive, so that the whole filter screen assembly 12 rotates, meanwhile, the air compressor blows down the dust on the filter screen body 121, and the dust collector sucks the dust on the filter screen body 121 in the integrated box 162;

when the gas-gas heat energy exchange mechanism 2 is cleaned, the controller controls the cleaning water pump of the cleaning mechanism 4 and the pneumatic valve of the cleaning branch pipe 43 to start working, and the cleaning water pump pumps water out of the water reservoir and sprays the water onto the heat exchange pipe 213 to clean the heat exchange pipe 213. It should be noted that the exhaust gas cannot be treated simultaneously when the air-heat energy exchange mechanism 2 is cleaned, but the exhaust gas can be treated simultaneously when the automatic dust removal box 1 is cleaned.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A heat exchanger, characterized by: the cleaning device comprises a gas-gas heat energy exchange mechanism (2) and a cleaning mechanism (4) which are both positioned in a heat exchange box body (3), wherein the gas-gas heat energy exchange mechanism (2) comprises a gas-gas heat exchange box component, an air outlet pipeline (24) and an air blower (25), the cleaning mechanism (4) comprises a cleaning branch pipe (43), and the gas-gas heat exchange box component is positioned on one side of the cleaning branch pipe (43); be equipped with heat exchange tube (213) in the gas-gas heat exchange box subassembly, the inlet end of every heat exchange tube (213) all faces and washs branch pipe (43), clearance mechanism (4) signal connection is to the controller.

2. A heat exchanger according to claim 1, wherein: an included angle is formed between the heat exchange tube (213) and the horizontal plane.

3. A heat exchanger according to claim 2, wherein: the included angle is an acute angle structure.

4. A heat exchanger according to claim 1, wherein: also comprises an automatic dust removing box (1).

5. A heat exchanger according to claim 4, wherein: a cleaning structure (16) is arranged in the automatic dust removal box (1).

6. A heat exchanger according to claim 5, wherein: clearance structure (16) are including clearance casing (161), integrated box (162), air compressor, dust catcher and a plurality of clearance nozzle (163), clearance casing (161) are located between two driven gyro wheels (133), clearance casing (161) top is equipped with separates wind board subassembly (17), a plurality of clearance nozzle (163) of the inside equipartition of clearance casing (161), every clearance nozzle (163) all fixed intercommunication to air compressor, integrated box (162) are fixed to dust removal box (11) bottom inner wall, be equipped with the dust catcher in integrated box (162), be equipped with clearance nozzle (163) directly over integrated box (162), and be equipped with filter screen body (121) between integrated box (162) and clearance nozzle (163), air compressor, the equal signal connection of dust catcher to controller.

7. A heat exchanger according to claim 1, wherein: the cleaning mechanism (4) comprises a spray branch pipe (44).

8. A heat exchanger according to claim 7, wherein: the device also comprises a gas-water heat energy exchange mechanism (5), and the spraying branch pipes (44) are positioned in the gas-water heat energy exchange mechanism (5).

9. A heat exchanger according to claim 4, wherein: be equipped with filter screen subassembly (12) in automatic dust removal case (1), filter screen subassembly (12) are including filter screen body (121) and 2 filtration chains (122), filter screen body (121) are the loop configuration, and filter screen body (121) both sides are filtration chain (122) of fixed connection respectively, and every filters chain (122) and all meshes the transmission with drive structure (13).

10. A heat exchanger according to claim 7, wherein: cleaning mechanism (4) still including wasing the water pump, wash the case subassembly, wash and be responsible for (41), washing tank (42), a plurality of pneumatic valve, a plurality of spray branch pipe (44), wash and be responsible for (41) and install to heat transfer box (3) top, washing tank (42) are fixed in heat transfer box (3) bottom, wash and be responsible for (41) one side and be connected to washing case subassembly through wasing the water pump pipe, wash and be responsible for (41) a plurality of washing branch pipes (43) of opposite side axial equipartition and spray branch pipe (44), wash and be responsible for (41) and wash branch pipe (43), spray and be equipped with the pneumatic valve between branch pipe (44), every washs and all is equipped with a plurality of washing nozzle (431) on branch pipe (43), the equal signal connection of washing case subassembly, pneumatic valve is to controller.