Heat recovery device of linen ironing machine

Abstract

The invention discloses a heat recovery device of a linen ironing machine, and relates to the technical field of linen ironing machines. The linen ironing machine heat recovery device comprises an ironing machine box body, an adjusting assembly, a filtering assembly and a backflow assembly, conveying openings are formed in the two sides of the ironing machine box body, the adjusting assembly is located on the ironing machine box body, the filtering assembly is located above the ironing machine box body, and the backflow assembly is located below the filtering assembly. The backflow assembly comprises a conveying structure and a moisture absorption structure, the moisture absorption structure is located on the conveying structure, the moisture absorption assembly comprises a clamping plate, filter cotton and an air uniformizing plate, and the inner wall of one side of the clamping plate is fixedly connected with the filter cotton. Heat can be more effectively utilized, energy waste is reduced, the overall energy efficiency is improved, the drying condition during hot air recycling can be kept by reducing moisture in hot air, linen can be evenly heated, ironing quality is improved, the heating requirement can be reduced, and therefore energy consumption is effectively reduced, and operation cost is saved.

Description

Technical Field

[0001] The invention relates to the technical field of linen ironing machines, and in particular to a heat recovery device for linen ironing machines. Background Art

[0002] A linen ironing machine is a device used to automatically process linens (such as bed sheets, pillowcases, tablecloths, etc.). It is widely used in hotels, restaurants, laundries and other places. Its main function is to iron the washed linens at high temperature to make them clean and flat so that they can be used again.

[0003] When the linen ironing machine in the prior art is in use, a large amount of hot air is generated during the ironing of the linens, and the ironing machine recycles the hot air. However, some ironing machines do not process the water vapor and cotton wool in the hot air during recycling, which reduces the efficiency of heat recovery in the hot air and easily causes heat energy waste. In addition, the presence of water vapor will affect the use of the device and reduce the service life of the device.

[0004] In summary, a heat recovery device for a linen ironing machine is proposed to solve the above problems. Summary of the invention

[0005] The purpose of the present invention is to solve at least one of the technical problems existing in the prior art and to provide a heat recovery device for a linen ironing machine, which can solve the problem that when the linen ironing machine in the prior art is in use, a large amount of hot air will be generated when the linen is ironed, and the ironing machine will recycle and reuse the hot air. When some ironing machines recycle and reuse, the water vapor and cotton wool in the hot air are not processed, which reduces the efficiency of heat recovery in the hot air and easily causes heat energy waste. In addition, the presence of water vapor will affect the use of the device, reducing the service life of the device.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a heat recovery device for a linen ironing machine, comprising an ironing machine case, an adjustment component, a filter component and a reflux component, transmission openings are provided on both sides of the ironing machine case, the adjustment component is located on the ironing machine case, the filter component is located above the ironing machine case, the reflux component is located below the filter component, the reflux component comprises a transmission structure and a moisture absorption structure, the moisture absorption structure is located on the transmission structure, the moisture absorption component comprises a clamping plate, filter cotton and an air equalizing plate, and the filter cotton is fixedly connected to the inner wall of one side of the clamping plate.

[0007] Preferably, an ironing device is provided inside the ironing machine housing, and its arrangement facilitates ironing of linens.

[0008] Preferably, the front and rear sides of the ironing machine housing are both provided with rectangular openings, and mounting columns are fixedly connected between the inner top and bottom of the rectangular opening, which is arranged to facilitate the movement of the auxiliary adjustment component.

[0009] Preferably, the adjusting assembly comprises a fixed block, a connecting rod, a movable plate, an electric push rod and a rebounder, the top of the ironing machine case is fixedly connected with the electric push rod, the free end of the electric push rod is fixedly connected with the movable plate, the bottom of the movable plate is fixedly connected with the rebounder, one end of the rebounder is fixedly connected to the top of the ironing machine case, the bottom of the movable plate is fixedly connected with two groups of connecting rods arranged front and back, the front and rear sides of the ironing equipment are fixedly connected with fixed blocks, the fixed block is slidably installed on the mounting column, and the top of the fixed block is connected to one end of the connecting rod. Through the coordinated use of the fixed block, the connecting rod, the movable plate, the electric push rod and the rebounder, the linens in the ironing machine case can be tensioned, so that the position adjustment of the ironing equipment is more convenient, and it can better adapt to linens of different materials and ensure that the linens are evenly heated during the ironing process, so as to achieve the ideal ironing effect. Further, it can shorten the ironing time, effectively remove wrinkles on the linens, make their surface smoother, improve the quality of finished products, improve the overall efficiency of the production line, and meet the needs of mass production.

[0010] Preferably, an air suction plate is provided inside the ironing machine case, and an assembly rod is fixedly connected to the top of the air suction plate. The assembly rod is fixedly installed on the inner top of the ironing machine case. Its arrangement facilitates the rapid extraction of hot air from the ironing machine case. Since the area of ​​the assembly rod is large, the efficiency of extracting hot air from the ironing machine case is further improved.

[0011] Preferably, a mounting plate is fixedly connected to the rear side of the ironing machine case, an exhaust fan is fixedly connected to the top of the mounting plate, a three-way pipe is fixedly connected to the exhaust end of the exhaust fan, and two groups of connecting pipes are fixedly connected to the ironing machine case and arranged opposite to each other, one end of the connecting pipe is fixedly connected to the top of the suction plate, and the other end of the connecting pipe is connected to both ends of the three-way pipe. When the pipes in the manual are actually used, thermal insulation cotton is sheathed on the outer walls of the pipes. The main function of the thermal insulation cotton is to reduce the transfer of heat to the external environment and reduce heat loss. By wrapping the thermal insulation material, the temperature of the hot air inside the pipe can be effectively maintained, ensuring that the heat energy can be efficiently transported to the destination, thereby improving energy utilization efficiency.

[0012] Preferably, the filter assembly comprises a rectangular plate, an iron frame, a filter plate and a magnetic plate. The rectangular plates are arranged in two groups in a front-to-back manner. The two groups of rectangular plates are provided with magnetic plates. The iron frame is located in the middle of the two groups of rectangular plates. One side of the iron frame is respectively adsorbed by one group of magnetic plates. The inside of the iron frame is fixedly connected with the filter plate. When the filter plate on the iron frame needs to be processed, the staff manually pinches the two sides of the iron frame and then pulls the iron frame outward so that the iron frame is separated from the magnetic plate. Then the staff uses a brush to process the cotton wool on the filter plate to ensure the use effect of the filter plate. Through the coordinated use of the rectangular plate, the iron frame, the filter plate and the magnetic plate, the cotton wool in the hot air can be filtered. Filtering the cotton wool can reduce dust and fiber in the working environment, improve air cleanliness, protect the health of operators, and the filtered hot air is cleaner, which helps to improve the heat recovery efficiency and ensure that the equipment operates in the best state. Further, the clean hot air helps to iron the linens more evenly and improve the quality of the final product.

[0013] Preferably, the conveying structure includes an L-shaped tube, a processing box and a return pipe, the suction end of the exhaust fan is fixedly connected to the L-shaped tube, the bottom of the ironing machine case is fixedly connected to the processing box, and one end of the processing box is fixedly connected to two groups of return pipes arranged on the left and right.

[0014] Preferably, two groups of auxiliary ironing rollers are rotatably mounted inside the ironing machine housing, the interior of the auxiliary ironing rollers is a cavity, and one end of the return pipe is rotatably mounted on the auxiliary ironing rollers, which facilitates the reuse of recovered heat energy.

[0015] Preferably, an air balancing plate is fixedly connected to the inner wall of one side of the snap-in plate, the filter cotton is located on the rear side of the air balancing plate, and the snap-in plate is snap-mounted in the processing box. The arrangement facilitates the replacement of the moisture absorption component, and the coordinated use of the L-shaped tube, the processing box, the snap-in plate, the filter cotton, the air balancing plate and the return pipe can absorb moisture from the water vapor in the hot air. By removing the water vapor in the hot air, the heat can be utilized more effectively, reducing energy waste and improving the overall energy efficiency. By reducing the moisture in the hot air, the hot air can be kept dry during reuse, ensuring that the linens are heated evenly. Improving the ironing quality can reduce the heating demand, thereby effectively reducing energy consumption and saving operating costs.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] (1) The heat recovery device of the linen ironing machine can tension the linens in the ironing machine box through the coordinated use of a fixed block, a connecting rod, a movable plate, an electric push rod and a rebounder, making it more convenient to adjust the position of the ironing equipment, and can better adapt to linens of different materials, ensuring that the linens are evenly heated during the ironing process, thereby achieving an ideal ironing effect. Furthermore, it can shorten the ironing time, effectively remove wrinkles on the linens, make their surface smoother, improve the quality of the finished product, and improve the overall efficiency of the production line to meet the needs of mass production.

[0018] (2) The heat recovery device of the linen ironing machine can filter the cotton wool in the hot air through the coordinated use of a rectangular plate, an iron frame, a filter plate and a magnetic plate. Filtering the cotton wool can reduce dust and fiber in the working environment, improve air cleanliness, and protect the health of operators. The filtered hot air is cleaner, which helps to improve the heat recovery efficiency and ensure that the equipment operates in the best condition. Furthermore, the clean hot air helps to iron the linens more evenly and improve the quality of the final product.

[0019] (3) The heat recovery device of the linen ironing machine can absorb moisture in the hot air through the coordinated use of an L-shaped tube, a processing box, a clamping plate, filter cotton, an air equalizing plate and a return pipe. By removing the moisture in the hot air, the heat can be used more effectively, energy waste can be reduced, and overall energy efficiency can be improved. By reducing the moisture in the hot air, the hot air can be kept dry when it is reused, ensuring that the linens are heated evenly. Improving the quality of ironing can reduce the heating demand, thereby effectively reducing energy consumption and saving operating costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention is further described below in conjunction with the accompanying drawings and embodiments:

[0021] Figure 1 The three-dimensional Figure 1 ;

[0022] Figure 2 It is a three-dimensional diagram of the internal structure of the ironing machine housing of the present invention;

[0023] Figure 3 For the present invention Figure 2 A bottom-up stereogram of

[0024] Figure 4 The three-dimensional Figure 2 ;

[0025] Figure 5 is a three-dimensional diagram of the filter assembly of the present invention;

[0026] Figure 6 It is a three-dimensional diagram of the internal structure of the processing box of the present invention.

[0027] Figure 7 It is a rear perspective view of the present invention.

[0028] Figure numerals: 1. ironing machine housing; 2. conveying opening; 3. ironing equipment; 4. fixing block; 5. rectangular opening; 6. mounting column; 7. connecting rod; 8. moving plate; 9. electric push rod; 10. rebounder; 11. mounting plate; 12. exhaust fan; 13. three-way pipe; 14. connecting pipe; 15. rectangular plate; 16. iron frame; 17. filter plate; 18. magnetic plate; 19. L-shaped pipe; 20. processing box; 21. clamping plate; 22. filter cotton; 23. air balancing plate; 24. return pipe; 25. suction plate; 26. assembly rod; 27. auxiliary ironing roller. DETAILED DESCRIPTION

[0029] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0030] See also Figure 1-7The present invention provides a technical solution: a heat recovery device for a linen ironing machine, comprising an ironing machine case 1, an adjusting component, a filtering component and a reflux component. Both sides of the ironing machine case 1 are provided with transmission openings 2. An ironing device 3 is arranged inside the ironing machine case 1, which is convenient for ironing linens. Rectangular openings 5 ​​are arranged on the front and back sides of the ironing machine case 1. A mounting column 6 is fixedly connected between the top and the bottom of the inner side of the rectangular opening 5. The mounting column 6 is convenient for assisting the adjustment component to move. The adjustment component is located on the ironing machine case 1. The adjustment component comprises a fixing block 4, a connecting rod 7, a moving plate 8, an electric push rod 9 and a rebounder 10. The top of the ironing machine case 1 is fixedly connected with an electric push rod 9, and the free end of the electric push rod 9 is fixedly connected with A movable plate 8, the bottom of which is fixedly connected with a rebounder 10, one end of which is fixedly connected with the top of the ironing machine case 1, the bottom of the movable plate 8 is fixedly connected with two groups of connecting rods 7 arranged front and back, the front and rear sides of the ironing device 3 are fixedly connected with a fixed block 4, the fixed block 4 is slidably installed on the mounting column 6, the top of the fixed block 4 is connected with one end of the connecting rod 7, when in use, one end of the linen is conveyed into the ironing machine case 1 through the conveying opening 2, at this time, one end of the linen passes through the gap between the auxiliary ironing roller 27 and the ironing device 3 for ironing, then the ironing device 3 is controlled to start, so that the ironing device 3 irons the linen, the electric push rod 9 is controlled to start at any time, the free end of the electric push rod 9 drives the movable plate 8 to move upward, the movable plate 8 drives the connecting rod 7 to move upward, the connecting rod 7 drives the fixing block 4 to move upward, the fixing block 4 drives the ironing device 3 to move upward, the tightness of the linen is adjusted, so that the linen is smoother during ironing, and the fixed block 4, the connecting rod 7, the moving plate 8, the electric push rod 9 and the rebounder 10 are used in coordination, the linen in the ironing machine case 1 can be tensioned, so that the position adjustment of the ironing device 3 is more convenient, and it can better adapt to linens of different materials, ensuring that the linens are evenly heated during the ironing process, so as to achieve an ideal ironing effect. Furthermore, it can shorten the ironing time, effectively remove wrinkles on the linen, make its surface smoother, improve the quality of the finished product, improve the overall efficiency of the production line, meet the needs of mass production, and filter group The component is located above the ironing machine case 1, and the filter component cuts off the connecting pipe 14. The filter component includes a rectangular plate 15, an iron frame 16, a filter plate 17 and a magnetic plate 18. The number of rectangular plates 15 is two groups arranged front and back, and the rectangular plates 15 are connected to the cross-sectional surface of the connecting pipe 14. The two groups of rectangular plates 15 are provided with magnetic plates 18. The iron frame 16 is located in the middle of the two groups of rectangular plates 15. One side of the iron frame 16 is respectively adsorbed with a group of magnetic plates 18. The inside of the iron frame 16 is fixedly connected with the filter plate 17. When the filter plate 17 on the iron frame 16 needs to be processed, the staff manually pinches the two sides of the iron frame 16, and then pulls the iron frame 16 outward to make the iron frame 16 separate from the magnetic plate 18. Then the staff uses a brush,The cotton wool on the filter plate 17 is processed by a brush to ensure the use effect of the filter plate 17. The cotton wool in the hot air can be filtered by the coordinated use of the rectangular plate 15, the iron frame 16, the filter plate 17 and the magnetic plate 18. Filtering the cotton wool can reduce dust and fiber in the working environment, improve air cleanliness, and protect the health of operators. The filtered hot air is cleaner, which helps to improve the heat recovery efficiency and ensure that the equipment runs in the best condition. Furthermore, the clean hot air helps to iron the linens more evenly and improve the quality of the final product. The reflux component is located below the filter component, and the reflux component includes a conveying structure and The moisture absorption structure is located on the conveying structure. The moisture absorption component includes a clamping plate 21, filter cotton 22 and an air distribution plate 23. The inner wall of one side of the clamping plate 21 is fixedly connected with the filter cotton 22. The conveying structure includes an L-shaped tube 19, a processing box 20 and a return pipe 24. The suction end of the exhaust fan 12 is fixedly connected with the L-shaped tube 19. The bottom of the ironing machine case 1 is fixedly connected with the processing box 20. One end of the processing box 20 is fixedly connected with two groups of return pipes 24 arranged on the left and right. The inner wall of one side of the clamping plate 21 is fixedly connected with the air distribution plate 23. The filter cotton 22 is located at the rear side of the air distribution plate 23. The clamping plate 21 is clamped and installed in the processing box 20. Its arrangement is convenient for The desiccant assembly is replaced, and hot air is generated when the linens are ironed. At this time, the exhaust fan 12 is controlled to start, and the exhaust end of the exhaust fan 12 conveys the exhaust air to the suction plate 25 through the three-way pipe 13 and the connecting pipe 14, and the heat energy in the ironing machine case 1 is extracted by hot air. At this time, when the hot air passes through the connecting pipe 14, the hot air will be filtered through the iron frame 16, and the iron frame 16 will filter the cotton wool in the hot air. The filtered hot air is transmitted to the L-shaped tube 19 through the exhaust fan 12, and the hot air in the L-shaped tube 19 is transmitted to the processing box 20. At this time, the hot air is evenly distributed through the air distribution plate 23, and the water vapor is filtered through the filter cotton 22. The filtered hot air is transmitted to the return pipe 24, and the hot air in the return pipe 24 then flows back to the auxiliary ironing roller 27 to assist in ironing the linens. The L-shaped pipe 19, the processing box 20, the clamping plate 21, the filter cotton 22, the air balancing plate 23 and the return pipe 24 are used in coordination to absorb moisture from the hot air. By removing the moisture from the hot air, the heat can be used more effectively, energy waste can be reduced, and the overall energy efficiency can be improved. By reducing the moisture in the hot air, the hot air can be kept dry when it is reused, ensuring that the linens are evenly heated. Improving the ironing quality can reduce the heating demand, thereby effectively reducing energy consumption and saving operating costs.

[0031] Furthermore, an air suction plate 25 is provided inside the ironing machine case 1, and an assembling rod 26 is fixedly connected to the top of the air suction plate 25. The assembling rod 26 is fixedly installed on the inner top of the ironing machine case 1, and its arrangement is convenient for quickly extracting hot air from the ironing machine case 1. Since the area of ​​the assembling rod 26 is large, the efficiency of extracting hot air from the ironing machine case 1 is further improved. A mounting plate 11 is fixedly connected to the rear side of the ironing machine case 1, and an exhaust fan 12 is fixedly connected to the top of the mounting plate 11. The exhaust end of the exhaust fan 12 is fixedly connected to a three-way pipe 13. Two groups of connecting pipes 14 are fixedly connected to the ironing machine case 1 and are arranged opposite to each other. One end of the connecting pipe 14 is fixedly connected to the top of the air suction plate 25, and the other end of the connecting pipe 14 is connected to both ends of the three-way pipe 13. When the pipes in the manual are actually used, the outer walls of the pipes will be covered with thermal insulation cotton. The main function of the thermal insulation cotton is to reduce the transfer of heat to the external environment and reduce heat loss. By wrapping with heat-insulating materials, the temperature of the hot air inside the pipe can be effectively maintained, ensuring that the heat energy can be efficiently transported to the destination, thereby improving energy utilization efficiency. Two sets of auxiliary ironing rollers 27 are rotatably installed inside the ironing machine case 1. The interior of the auxiliary ironing rollers 27 is a cavity setting. One end of the return pipe 24 is rotatably installed with the auxiliary ironing rollers 27. Its setting facilitates the reuse of the recovered heat energy.

[0032] Working principle: when in use, one end of the linen is conveyed into the ironing machine case 1 through the conveying opening 2. At this time, one end of the linen passes through the gap between the auxiliary ironing roller 27 and the ironing device 3 for ironing. Then the ironing device 3 is controlled to start, so that the ironing device 3 irons the linen. The electric push rod 9 is controlled to start at any time. The free end of the electric push rod 9 drives the movable plate 8 to move upward, and the movable plate 8 drives the connecting rod 7 to move upward. The connecting rod 7 drives the fixed block 4 to move upward, and the fixed block 4 drives the ironing device 3 to move upward to adjust the tightness of the linen, so that the linen is smoother during ironing. Hot air will be generated during ironing. At this time, the exhaust fan 12 is controlled to start and the exhaust fan 12 is controlled to start. The exhaust end of the fan 12 conveys the exhaust air to the suction plate 25 through the three-way pipe 13 and the connecting pipe 14, and extracts the heat energy in the ironing machine case 1 by hot air. At this time, when the hot air passes through the connecting pipe 14, the hot air will be filtered through the iron frame 16, and the iron frame 16 filters the cotton wool in the hot air. The filtered hot air is transmitted to the L-shaped pipe 19 through the exhaust fan 12, and the hot air in the L-shaped pipe 19 is transmitted to the processing box 20. At this time, the hot air is evenly distributed through the air equalizing plate 23, and the water vapor is filtered through the filter cotton 22. The filtered hot air is transmitted to the return pipe 24, and the hot air in the return pipe 24 then flows back to the auxiliary ironing roller 27 to perform auxiliary ironing on the linens.

[0033] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A heat recovery device for a linen ironing machine, characterized in that: include: An ironing machine housing (1), wherein both sides of the ironing machine housing (1) are provided with transmission openings (2); An adjustment component, the adjustment component is located on the ironing machine housing (1); A filter assembly, the filter assembly being located above the ironing machine housing (1); A reflux component, the reflux component is located below the filter component, the reflux component comprises a conveying structure and a moisture absorption structure, the moisture absorption structure is located on the conveying structure, the moisture absorption component comprises a clamping plate (21), filter cotton (22) and an air distribution plate (23), and the filter cotton (22) is fixedly connected to an inner wall of one side of the clamping plate (21).

2. The heat recovery device for a linen ironing machine according to claim 1, characterized in that: An ironing device (3) is arranged inside the ironing machine housing (1).

3. The heat recovery device for a linen ironing machine according to claim 2, characterized in that: The front and rear sides of the ironing machine housing (1) are both provided with rectangular openings (5), and a mounting column (6) is fixedly connected between the top and bottom of the inner side of the rectangular opening (5).

4. The heat recovery device for a linen ironing machine according to claim 3, characterized in that: The adjustment assembly comprises a fixed block (4), a connecting rod (7), a movable plate (8), an electric push rod (9) and a rebounder (10); the top of the ironing machine housing (1) is fixedly connected to the electric push rod (9); the free end of the electric push rod (9) is fixedly connected to the movable plate (8); the bottom of the movable plate (8) is fixedly connected to the rebounder (10); one end of the rebounder (10) is fixedly connected to the top of the ironing machine housing (1); the bottom of the movable plate (8) is fixedly connected to two groups of connecting rods (7) arranged front and back; the front and rear sides of the ironing device (3) are fixedly connected to the fixed block (4); the fixed block (4) is slidably mounted on the mounting column (6); the top of the fixed block (4) is connected to one end of the connecting rod (7).

5. The heat recovery device for a linen ironing machine according to claim 4, characterized in that: An air suction plate (25) is arranged inside the ironing machine housing (1), and an assembly rod (26) is fixedly connected to the top of the air suction plate (25), and the assembly rod (26) is fixedly installed on the inner top of the ironing machine housing (1).

6. The heat recovery device for a linen ironing machine according to claim 5, characterized in that: The rear side of the ironing machine housing (1) is fixedly connected to a mounting plate (11), the top of the mounting plate (11) is fixedly connected to an exhaust fan (12), the exhaust end of the exhaust fan (12) is fixedly connected to a three-way pipe (13), and two groups of connecting pipes (14) are fixedly connected to the ironing machine housing (1) and arranged opposite to each other, one end of the connecting pipe (14) is fixedly connected to the top of the suction plate (25), and the other end of the connecting pipe (14) is connected to both ends of the three-way pipe (13).

7. The heat recovery device for a linen ironing machine according to claim 6, characterized in that: The filter assembly comprises a rectangular plate (15), an iron frame (16), a filter plate (17) and a magnetic plate (18); the rectangular plates (15) are arranged in two groups in a front-rear manner; the two groups of rectangular plates (15) are provided with magnetic plates (18); the iron frame (16) is located in the middle of the two groups of rectangular plates (15); one side of the iron frame (16) is respectively adsorbed by one group of magnetic plates (18); and the filter plate (17) is fixedly connected inside the iron frame (16).

8. The heat recovery device for a linen ironing machine according to claim 7, characterized in that: The conveying structure comprises an L-shaped tube (19), a processing box (20) and a return pipe (24); the suction end of the exhaust fan (12) is fixedly connected to the L-shaped tube (19); the bottom of the ironing machine housing (1) is fixedly connected to the processing box (20); and one end of the processing box (20) is fixedly connected to two groups of return pipes (24) arranged on the left and right.

9. The heat recovery device for a linen ironing machine according to claim 8, characterized in that: Two groups of auxiliary ironing rollers (27) are rotatably mounted inside the ironing machine housing (1); the interior of the auxiliary ironing rollers (27) is provided with a cavity, and one end of the return pipe (24) is rotatably mounted on the auxiliary ironing rollers (27).

10. The heat recovery device for a linen ironing machine according to claim 9, characterized in that: An air distribution plate (23) is fixedly connected to an inner wall of one side of the clamping plate (21), the filter cotton (22) is located at the rear side of the air distribution plate (23), and the clamping plate (21) is clamped and installed in the processing box (20).

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