Waste heat recycling device for polyester fiber production

Abstract

The invention discloses a waste heat recycling device for polyester fiber production, and relates to the technical field of design of polyester fiber production and processing devices.The waste heat recycling device comprises a fixed supporting plate, a filtering smoke inlet unit, a smoke purification unit and a waste heat recycling unit, and the four corners of the lower side surface of the fixed supporting plate are each fixedly connected with a stable supporting leg; round chamfers are arranged at the four corners of the fixed supporting plate, a waste heat recovery unit is arranged on the surface of the upper side of the fixed supporting plate, a smoke purification unit is arranged at the position, located on the left side of the waste heat recovery unit, of the surface of the upper side of the fixed supporting plate, and a filtering smoke inlet unit is arranged on the left side of the smoke purification unit. Generated flue gas can be filtered and purified, pipeline blockage is prevented, flue gas circulation is not affected, the waste heat recovery efficiency is improved, a filter element is more convenient to replace, and the equipment maintenance time is shortened.

Description

Technical Field

[0001] The invention relates to the technical field of polyester fiber production and processing device design, and in particular to a waste heat recovery and utilization device for polyester fiber production. Background Art

[0002] Polyester fiber has the advantages of high modulus, high strength, high elasticity, good shape retention and heat resistance. It has become the most widely used and consumed fiber variety. However, since polyester fiber melts, decomposes, and burns when heated, and has the phenomenon of molten dripping, it is easy to cause secondary harm, which greatly limits its use. Therefore, countries around the world are increasingly active in the research and application development of polyester fibers, and various polyester fiber varieties are constantly coming out. In the process of polyester fiber processing, polyester fibers need to be heated by a combustion furnace. During the combustion process of the combustion furnace, a large amount of flue gas will be generated. These flue gases also have a certain amount of heat. In order to make full use of these flue gases and save energy, a waste heat recovery and utilization device for polyester fiber production is needed to recover and utilize the flue gas.

[0003] The existing waste heat recovery and utilization device for polyester fiber production cannot filter and purify the generated flue gas, which easily causes blockage in the pipeline, affects the flow of flue gas, affects the waste heat recovery efficiency, is inconvenient to replace the filter element, and increases the equipment maintenance time. Summary of the invention

[0004] The technical problem to be solved by the present invention is to overcome the existing defects and provide a waste heat recovery and utilization device for polyester fiber production, which can filter and purify the generated flue gas to prevent pipeline blockage and not affect the flue gas circulation. The waste heat recovery efficiency is improved, the filter element is more convenient to replace, and the equipment maintenance time is reduced, which can effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solutions: A waste heat recovery and utilization device for polyester fiber production, comprising a fixed support plate, a filter smoke intake unit, a smoke purification unit and a waste heat recovery unit;

[0006] Fixed support plate: The four corners of the lower surface are respectively fixedly connected to a stable support leg, the four corners of the fixed support plate are provided with rounded chamfers, the upper surface of the fixed support plate is provided with a waste heat recovery unit, the upper surface of the fixed support plate is provided with a flue gas purification unit at the position on the left side of the waste heat recovery unit, and the left side of the flue gas purification unit is provided with a filter smoke intake unit;

[0007] The flue gas purification unit comprises a supporting and fixing frame, a protective purification shell, a filter element fixing seat, a movable slider, a limiting sliding column, a movable fixing plate and a connecting pipe. The upper surface of the fixed supporting plate is located at the position on the left side of the waste heat recovery unit and is fixedly connected to a supporting and fixing frame. A protective purification shell is fixedly connected to the supporting and fixing frame. A smoke inlet circular hole is opened on the left side of the protective purification shell, and a smoke outlet circular hole is opened on the right side surface of the protective purification shell. The smoke inlet circular hole and the smoke outlet circular hole extend into the protective purification shell. A filter smoke inlet unit is arranged in the smoke inlet circular hole. The protective purification shell A rectangular hole is provided on the upper surface, and the rectangular hole extends into the protective purification shell. The smoke outlet circular hole is fixedly connected with the connecting pipe. A filter element fixing seat is fixedly connected to the bottom surface of the protective purification shell, and the filter element fixing seat corresponds to the rectangular hole. Slide grooves are respectively provided on the front and rear side surfaces of the protective purification shell, and a limiting sliding column is respectively fixedly connected to the two slide grooves. A movable slider is respectively slidably connected to the two slide grooves, and the sliding holes on the two movable sliders are slidably connected on the corresponding limiting sliding columns. The corresponding side surfaces of the two movable sliders are respectively fixedly connected to a movable fixing plate.

[0008] The fixed support plate is used to fix the installation device, the stable support legs are used to support the device, the waste heat recovery unit is used to utilize waste heat, the flue gas purification unit is used to purify the flue gas, the filtering smoke inlet unit is used for filtering, the support fixing frame is used to fix the protective purification shell, the protective purification shell is used to fix the filter element fixing seat, the filter element fixing seat is used to fix the clamped purification filter element, the limiting sliding column is used to make the movement of the movable slider more stable, the movable slider moves to fix the movable fixing plate, the movable fixing plate is used to fix the purification filter element, thereby performing purification and filtering, and the connecting pipe is used to allow the purified flue gas to flow into the waste heat recovery unit, thereby performing purification.

[0009] Furthermore, the flue gas purification unit also includes a purification filter element, a fixed cover plate and a pulling handrail. The protective purification shell is located in a rectangular hole and is fixedly connected to the fixed cover plate. The fixed cover plate is fixedly connected to the protective purification shell by bolts. The lower surface of the fixed cover plate is fixedly connected with a purification filter element. The purification filter element is fixedly connected to a filter element fixing seat. The purification filter element adopts a multi-layer structure. The upper surface of the fixed cover plate is fixedly connected with a pulling handrail. The front and rear sides of the purification filter element are respectively fixedly connected to the corresponding movable fixed plate through a fixing seat.

[0010] Pull the handrail to take the fixed cover to facilitate opening the fixed cover. The fixed cover is used to fix the purification filter element to facilitate replacement of the purification filter element. The purification filter element is used to filter and purify to remove dust and impurities in the flue gas to prevent pipe blockage and facilitate filtering.

[0011] Furthermore, the flue gas purification unit also includes an auxiliary fixing frame, and an auxiliary fixing frame is respectively arranged on the right surface of the protective purification shell at the upper and lower sides of the connecting pipe, and the two auxiliary fixing frames are fixedly connected to the protective purification shell through plug posts.

[0012] The auxiliary fixing frame is used to fix the protective purification shell to make the protective purification shell more firmly fixed and convenient for fixed installation and use.

[0013] Furthermore, the waste heat recovery unit includes a waste heat fixed shell, a smoke inverting plate one and a smoke inverting plate two, the upper surface of the fixed support plate is located at a position on the right side of the protective purification shell and is fixedly connected to the waste heat fixed shell through a support frame, the waste heat fixed shell is fixedly engaged with the rectangular plate, the left surface of the waste heat fixed shell is located at the upper side of the rectangular plate and a smoke inlet circular hole two is opened, the smoke inlet circular hole two extends into the waste heat fixed shell, the right end of the connecting pipe is fixedly engaged with the smoke inlet circular hole two on the waste heat fixed shell, the right ends of the two auxiliary fixing frames are fixedly connected to the corresponding waste heat fixed shell, the right surface of the waste heat fixed shell is located at the upper side of the rectangular plate and a smoke outlet circular hole two is opened, the smoke outlet circular hole two extends into the waste heat fixed shell, the top surface of the waste heat fixed shell is fixedly connected with a plurality of equally spaced smoke inverting plates one, and the upper surface of the rectangular plate is fixedly connected with a plurality of equally spaced smoke inverting plates two, so the smoke inverting plates one and the smoke inverting plates two are staggeredly arranged in the waste heat fixed shell.

[0014] The waste heat fixing shell is used to fix the smoke inverting plate one and the smoke inverting plate two. The smoke inverting plate one and the smoke inverting plate two cooperate to facilitate the smoke circulation, increase the smoke circulation time, and improve the smoke circulation efficiency, thereby utilizing hot air and facilitating the utilization of waste heat.

[0015] Furthermore, the waste heat recovery unit also includes a rectangular water storage shell and a U-shaped heating pipe. The upper surface of the rectangular plate in the waste heat fixed shell is located on the left and right sides of the smoke inverting plate 2, and is fixedly connected to a rectangular water storage shell respectively. A plurality of equally spaced U-shaped heating pipes are respectively arranged at positions between the smoke inverting plate 1 and the smoke inverting plate 2 in the waste heat fixed shell. Both ends of all the U-shaped heating pipes extend into the corresponding rectangular water storage shells respectively, so the U-shaped heating pipes are arranged between the smoke inverting plate 1 and the smoke inverting plate 2.

[0016] The rectangular water storage shell is used to fix the U-shaped heating tube, and the U-shaped heating tube is used to heat water, thereby utilizing the waste heat of the flue gas for easy use.

[0017] Furthermore, the waste heat recovery unit also includes a water inlet pipe, a water outlet pipe, a water pump and a water outlet connecting pipe, wherein a water inlet hole is opened on the rectangular water storage shell on the left side, and the water inlet hole extends into the corresponding rectangular water storage shell, and the water inlet hole is fixedly connected to one end of the water inlet pipe, and the other end of the water inlet pipe passes through the rectangular plate and the rear side of the waste heat fixed shell in sequence and is connected to an external water source, and another rectangular water storage shell on the right side is opened with a water outlet hole, and the water outlet hole is fixedly connected to one end of the water outlet pipe, and a water pump is fixedly connected to the bottom surface of the waste heat fixed shell, the other end of the water outlet pipe passes through the rectangular plate and is fixedly connected to the water inlet hole on the water pump, the water outlet hole on the water pump is fixedly connected to one end of the water outlet connecting pipe, and the other end of the water outlet connecting pipe passes through the rear side of the waste heat fixed shell and is connected to the external pipe, and the input end of the water pump is electrically connected to the output end of the external power supply through an external control switch group.

[0018] The water inlet pipe is used to allow external water to flow into the rectangular water storage shell, the water outlet pipe is used to allow the heated water to flow out, the water pump is used to provide power for water circulation, and the water outlet connecting pipe is used to allow hot water to flow to the outside, thereby facilitating use to utilize heat.

[0019] Furthermore, the waste heat recovery unit also includes a smoke outlet pipe and a smoke outlet chimney. The second smoke outlet circular hole on the waste heat fixing shell is fixedly connected to the smoke outlet pipe. The right side surface of the waste heat fixing shell is located at the upper side of the smoke outlet pipe and is fixedly connected to the smoke outlet chimney through the chimney fixing frame. The right end of the smoke outlet pipe extends into the smoke outlet chimney, and a rain shield is provided at the upper end of the smoke outlet chimney.

[0020] The smoke outlet duct is used to discharge the smoke after heating, and the smoke outlet chimney is used to discharge the smoke, thereby facilitating smoke exhaust.

[0021] Furthermore, the smoke filter unit includes a feed shell, a telescopic pipe, a clamping ring, a filter screen and a clamping rectangular block. The smoke inlet circular hole 1 on the left side of the protection and purification shell is fixedly clamped with one end of the telescopic pipe. The protection and purification shell is provided with a feed shell on the left side, and a circular hole 3 is opened on the right side of the feed shell. The circular hole 3 extends into the feed shell. The other end of the telescopic pipe is fixedly clamped in the circular hole 3. The feed shell is provided with a circular hole 4 on the left side. The circular hole 4 extends into the feed shell. The inner surface of the feed shell A clamping ring is fixedly connected at a position near circular hole four, and four clamping grooves in an annular array are opened on the left side surface of the clamping ring. A filter screen plate is fixedly clamped at a position on the left side of the clamping ring in the feed shell, and the end face of the filter screen plate is fixedly connected to four clamping rectangular blocks in an annular array. The four clamping rectangular blocks are respectively fixedly clamped to the corresponding clamping grooves, and the four clamping rectangular blocks are fixedly connected to the clamping ring by bolts. A slag discharge notch is opened on the left side surface of the feed shell, and the slag discharge notch is located at the lower side of the feed shell.

[0022] The feed shell is used to allow the smoke to circulate, the telescopic pipe is used to adjust the length to facilitate the smoke circulation, the clamping ring is used to fix the filter screen plate, the filter screen plate is used to filter large impurities, the clamping rectangular block is used to fix the clamping ring, and the slag discharge notch on the feed shell is used to discharge the waste slag, which is convenient for filtering, thereby filtering large impurities and using it.

[0023] Furthermore, the filtering smoke inlet unit also includes a vibrating and knocking motor, and rectangular protrusions are respectively provided on the front and rear side surfaces inside the feed shell at the position on the right side of the clamping ring. The two rectangular protrusions are respectively fixedly clamped with the vibrating and knocking motors through fixing seats, and the knocking columns on the two vibrating and knocking motors are in contact with the filter mesh plate. The input end of the vibrating and knocking motor is electrically connected to the output end of the external power supply through an external control switch group.

[0024] The vibration percussion motor uses a vibration motor to vibrate the filter screen, thereby preventing the filter screen from being blocked and facilitating the flow of smoke for use.

[0025] Furthermore, the filtering smoke inlet unit also includes an arc-shaped fixing plate and fixing bolts. The outer surface of the feed shell is fixedly connected to four arc-shaped fixing plates in a circular array. Each arc-shaped fixing plate is provided with two fixing bolts with equal spacing. The four arc-shaped fixing plates are connected to the outside through the fixing bolts.

[0026] The arc-shaped fixing plate is used to connect the feed shell with the outside, and the fixing bolts are used to fix the arc-shaped fixing plate for installation, so that the device can be installed and fixed with the outside for use.

[0027] Compared with the prior art, the present invention has the following beneficial effects:

[0028] 1. The waste heat recovery and utilization device for polyester fiber production has the following advantages: a flue gas purification unit is provided, a supporting fixing frame is used to fix a protective purification shell, the protective purification shell is used to fix a filter element fixing seat, the filter element fixing seat is used to fix a clamped purification filter element, a limiting sliding column is used to make the movable slider move more stably, the movable slider moves to fix the movable fixing plate, the movable fixing plate is used to fix the purification filter element, thereby performing purification and filtering, a connecting pipe is used to allow the purified flue gas to flow into the waste heat recovery unit, a handrail is pulled to take the fixed cover plate, so as to facilitate opening the fixed cover plate, the fixed cover plate is used to fix the purification filter element, so as to facilitate replacement of the purification filter element, the purification filter element is used to filter and purify, to remove dust and impurities in the flue gas, to prevent pipe blockage, an auxiliary fixing frame is used to fix the protective purification shell, so as to make the protective purification shell more firmly fixed, so as to perform purification;

[0029] 2. The waste heat recovery and utilization device for polyester fiber production has the following advantages: a waste heat recovery unit is provided, a waste heat fixing shell is used to fix the first and second smoke inverting plates, and the first and second smoke inverting plates cooperate to facilitate the flow of smoke, a rectangular water storage shell is used to fix the U-shaped heating tube, and the U-shaped heating tube is used to heat water, thereby utilizing the waste heat of the smoke, a water inlet pipe is used to allow external water to flow into the rectangular water storage shell, a water outlet pipe is used to allow heated water to flow out, a water pump is used to provide power for water circulation, a water outlet connecting pipe is used to allow hot water to flow to the outside, a smoke outlet pipe is used to discharge the smoke after heating, and a smoke outlet chimney is used to discharge the smoke to utilize the waste heat;

[0030] 3. The waste heat recovery and utilization device for polyester fiber production has the following advantages: a filtering smoke inlet unit is provided, the feed shell is used to allow smoke to circulate, the telescopic pipe is used to adjust the length to facilitate smoke circulation, the clamping ring is used to fix the filter screen plate, the filter screen plate is used to filter large impurities, the clamping rectangular block is used to fix the clamping ring, the slag discharge notch on the feed shell is used to discharge waste slag, and it is convenient for filtering, the vibration knocking motor is used to vibrate the filter screen plate, thereby preventing the filter screen plate from being blocked, the arc fixing plate is used to connect the feed shell with the outside, and the fixing bolt is used to fix the arc fixing plate for filtering;

[0031] 4. The waste heat recovery and utilization device for polyester fiber production has the following advantages: the generated flue gas can be filtered and purified to prevent pipeline blockage, without affecting the flow of flue gas, the waste heat recovery efficiency is improved, the filter element is more convenient to replace, and the equipment maintenance time is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a schematic diagram of the front structure of the present invention;

[0033] Figure 2 It is a schematic diagram of the cross-sectional structure of the back side of the present invention;

[0034] Figure 3 This is a schematic diagram of the partial structure of the smoke filtering unit of the present invention;

[0035] Figure 4 It is a schematic diagram of the side cross-sectional structure of the feed shell of the present invention;

[0036] Figure 5 It is a partial cross-sectional structural schematic diagram of the flue gas purification unit of the present invention;

[0037] Figure 6 This is a schematic diagram of a partial cross-sectional structure of the protection and purification shell of the present invention;

[0038] Figure 7 This is a schematic diagram of the cross-sectional structure of the back side of the residual heat fixing shell of the present invention;

[0039] Figure 8 It is a schematic diagram of the partial cross-sectional structure of the smoke outlet pipe of the present invention.

[0040] In the figure: 1 fixed support plate, 2 stable support leg, 3 filter smoke inlet unit, 31 feed shell, 32 telescopic pipe, 33 arc fixed plate, 34 clamping ring, 35 filter screen plate, 36 clamping rectangular block, 37 vibration knocking motor, 38 fixing bolt, 4 flue gas purification unit, 41 support fixing frame, 42 protection purification shell, 43 filter element fixing seat, 44 movable slider, 45 limit sliding column, 46 movable fixing plate, 47 purification filter element, 48 fixed cover plate, 49 pulling handrail, 410 connecting pipe, 411 auxiliary fixing frame, 5 waste heat recovery unit, 51 waste heat fixing shell, 52 smoke inverting plate 1, 53 smoke inverting plate 2, 54 rectangular water storage shell, 55 U-shaped heating pipe, 56 water inlet pipe, 57 water outlet pipe, 58 water pump, 59 water outlet connecting pipe, 510 smoke outlet pipe, 511 smoke outlet chimney. DETAILED DESCRIPTION

[0041] 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.

[0042] See also Figure 1-8 , this embodiment provides a technical solution: a waste heat recovery and utilization device for polyester fiber production, comprising a fixed support plate 1, a smoke filtering unit 3, a smoke purification unit 4 and a waste heat recovery unit 5;

[0043] Fixed support plate 1: A stable support leg 2 is fixedly connected to each of the four corners of the lower surface, and the four corners of the fixed support plate 1 are provided with rounded chamfers. A waste heat recovery unit 5 is provided on the upper surface of the fixed support plate 1. A flue gas purification unit 4 is provided on the upper surface of the fixed support plate 1 at the left side of the waste heat recovery unit 5, and a filter smoke inlet unit 3 is provided on the left side of the flue gas purification unit 4;

[0044] The flue gas purification unit 4 includes a support and fixing frame 41, a protective purification shell 42, a filter element fixing seat 43, a movable slider 44, a limiting slide column 45, a movable fixed plate 46 and a connecting pipe 410. The upper surface of the fixed support plate 1 is located at the left side of the waste heat recovery unit 5 and is fixedly connected to a support and fixing frame 41. A protective purification shell 42 is fixedly connected to the support and fixing frame 41. A smoke inlet circular hole 1 is opened on the left side of the protective purification shell 42, and a smoke outlet circular hole 1 is opened on the right side surface of the protective purification shell 42. The smoke inlet circular hole 1 and the smoke outlet circular hole 1 extend into the protective purification shell 42. The smoke inlet circular hole 1 is provided with a filter smoke inlet unit 3. The protective purification shell A rectangular hole is provided on the upper surface of 42, and the rectangular hole extends into the protective purification shell 42. The smoke outlet circular hole is fixedly connected with the connecting pipe 410. A filter element fixing seat 43 is fixedly connected to the bottom end surface of the protective purification shell 42, and the filter element fixing seat 43 corresponds to the rectangular hole. Slide grooves are respectively provided on the front and rear side surfaces of the protective purification shell 42, and a limiting slide column 45 is respectively fixedly connected to the two slide grooves. A movable slider 44 is respectively slidably connected to the two slide grooves. The sliding holes on the two movable sliders 44 are slidably connected on the corresponding limiting slide columns 45, and a movable fixing plate 46 is respectively fixedly connected to the corresponding side surfaces of the two movable sliders 44.

[0045] The fixed support plate 1 is used to fix the installation device, the stable support leg 2 is used to support the device, the waste heat recovery unit 5 is used to utilize waste heat, the flue gas purification unit 4 is used to purify the flue gas, the filtering smoke inlet unit 3 is used for filtering, the support fixing frame 41 is used to fix the protective purification shell 42, the protective purification shell 42 is used to fix the filter element fixing seat 43, the filter element fixing seat 43 is used to fix the clamping purification filter element 47, the limiting slide column 45 is used to make the movement of the movable slider 44 more stable, the movable slider 44 moves to fix the movable fixing plate 46, the movable fixing plate 46 is used to fix the purification filter element 47, thereby performing purification and filtering, and the connecting pipe 410 is used to allow the purified flue gas to flow into the waste heat recovery unit 5, thereby performing purification.

[0046] The flue gas purification unit 4 also includes a purification filter element 47, a fixed cover plate 48 and a pulling handrail 49. The protective purification shell 42 is located in a rectangular hole and fixedly connected to the fixed cover plate 48. The fixed cover plate 48 is fixedly connected to the protective purification shell 42 by bolts. The lower surface of the fixed cover plate 48 is fixedly connected with the purification filter element 47. The purification filter element 47 is fixedly connected to the filter element fixing seat 43. The purification filter element 47 adopts a multi-layer structure. The upper surface of the fixed cover plate 48 is fixedly connected with a pulling handrail 49. The front and rear sides of the purification filter element 47 are respectively fixedly connected to the corresponding movable fixing plate 46 through the fixing seat.

[0047] Pulling the handrail 49 is used to take the fixed cover 48 to facilitate opening the fixed cover 48. The fixed cover 48 is used to fix the purification filter element 47 to facilitate replacement of the purification filter element 47. The purification filter element 47 is used to filter and purify to remove dust and impurities in the flue gas to prevent pipe blockage and facilitate filtering.

[0048] The flue gas purification unit 4 further includes an auxiliary fixing frame 411. An auxiliary fixing frame 411 is respectively arranged on the right side surface of the protective purification shell 42 at the upper and lower sides of the connecting pipe 410. The two auxiliary fixing frames 411 are fixedly connected to the protective purification shell 42 through plugs.

[0049] The auxiliary fixing frame 411 is used to fix the protection and purification shell 42, so that the protection and purification shell 42 is fixed more firmly and convenient for fixed installation and use.

[0050] The waste heat recovery unit 5 includes a waste heat fixed shell 51, a smoke inverting plate 1 52 and a smoke inverting plate 2 53. The upper surface of the fixed support plate 1 is located at the right side of the protection purification shell 42 and is fixedly connected to the waste heat fixed shell 51 through a support frame. The waste heat fixed shell 51 is fixedly connected with the rectangular plate. The left surface of the waste heat fixed shell 51 is located at the upper side of the rectangular plate. A smoke inlet circular hole 2 is opened. The smoke inlet circular hole 2 extends into the waste heat fixed shell 51. The right end of the connecting pipe 410 is in the smoke inlet circular hole 2 on the waste heat fixed shell 51. The right ends of the two auxiliary fixing frames 411 are fixedly connected to the corresponding waste heat fixing shell 51 by fixed snap-in connection. A second circular smoke outlet hole is provided on the right side surface of the waste heat fixing shell 51, which is located on the upper side of the rectangular plate. The second circular smoke outlet hole extends into the waste heat fixing shell 51. A plurality of equally spaced smoke inverting plates 1 52 are fixedly connected to the top inner surface of the waste heat fixing shell 51. A plurality of equally spaced smoke inverting plates 2 53 are fixedly connected to the upper side surface of the rectangular plate. Therefore, the smoke inverting plates 1 52 and the smoke inverting plates 2 53 are staggered in the waste heat fixing shell 51.

[0051] The waste heat fixing shell 51 is used to fix the smoke inverting plate 1 52 and the smoke inverting plate 2 53. The smoke inverting plate 1 52 and the smoke inverting plate 2 53 cooperate to facilitate the flow of smoke, increase the smoke flow time, and improve the smoke flow efficiency, thereby utilizing hot air and facilitating the use of waste heat.

[0052] The waste heat recovery unit 5 also includes a rectangular water storage shell 54 and a U-shaped heating tube 55. The upper surface of the rectangular plate in the waste heat fixed shell 51 is located on the left and right sides of the smoke inverting plate 53, and is fixedly connected to a rectangular water storage shell 54 respectively. A plurality of U-shaped heating tubes 55 are arranged at equal intervals between the smoke inverting plate 1 52 and the smoke inverting plate 2 53 in the waste heat fixed shell 51. Both ends of all the U-shaped heating tubes 55 extend into the corresponding rectangular water storage shells 54 respectively, so the U-shaped heating tubes 55 are arranged between the smoke inverting plate 1 52 and the smoke inverting plate 2 53.

[0053] The rectangular water storage shell 54 is used to fix the U-shaped heating tube 55, and the U-shaped heating tube 55 is used to heat water, thereby utilizing the waste heat of the flue gas for convenient use.

[0054] The waste heat recovery unit 5 also includes a water inlet pipe 56, a water outlet pipe 57, a water pump 58 and a water outlet connecting pipe 59, wherein a water inlet hole is provided on the rectangular water storage shell 54 on the left side, and the water inlet hole extends into the corresponding rectangular water storage shell 54, and is fixedly connected to one end of the water inlet pipe 56 in the water inlet hole, and the other end of the water inlet pipe 56 passes through the rectangular plate and the rear side of the waste heat fixed shell 51 in sequence and is connected to an external water source, and another water outlet hole is provided on the other rectangular water storage shell 54 on the right side, and the water outlet hole The inner bottom surface of the waste heat fixed shell 51 is fixedly connected to one end of the water outlet pipe 57, and a water pump 58 is fixedly connected to the inner bottom surface of the waste heat fixed shell 51. The other end of the water outlet pipe 57 passes through the rectangular plate and is fixedly connected to the water inlet hole on the water pump 58. The water outlet hole on the water pump 58 is fixedly connected to one end of the water outlet connecting pipe 59. The other end of the water outlet connecting pipe 59 passes through the rear side of the waste heat fixed shell 51 and is connected to the external pipe. The input end of the water pump 58 is electrically connected to the output end of the external power supply through the external control switch group.

[0055] The water inlet pipe 56 is used to allow external water to flow into the rectangular water storage shell 54, the water outlet pipe 57 is used to allow the heated water to flow out, the water pump 58 is used to provide power for water circulation, and the water outlet connecting pipe 59 is used to allow hot water to flow to the outside, thereby facilitating use to utilize heat.

[0056] The waste heat recovery unit 5 also includes a smoke outlet pipe 510 and a smoke outlet chimney 511. The second smoke outlet circular hole on the waste heat fixing shell 51 is fixedly connected to the smoke outlet pipe 510. The right side surface of the waste heat fixing shell 51 is located on the upper side of the smoke outlet pipe 510 and is fixedly connected to the smoke outlet chimney 511 through a chimney fixing frame. The right end of the smoke outlet pipe 510 extends into the smoke outlet chimney 511, and a rain shield is provided at the upper end of the smoke outlet chimney 511.

[0057] The smoke outlet pipe 510 is used to discharge the smoke after heating, and the smoke outlet chimney 511 is used to discharge the smoke, thereby facilitating smoke exhaust.

[0058] The filter smoke inlet unit 3 includes a feed shell 31, a telescopic pipe 32, a clamping ring 34, a filter screen plate 35 and a clamping rectangular block 36. The smoke inlet circular hole 1 on the left side of the protection purification shell 42 is fixedly clamped with one end of the telescopic pipe 32. The protection purification shell 42 is provided with a feed shell 31 on the left side. A circular hole 3 is opened on the right side of the feed shell 31, and the circular hole 3 extends into the feed shell 31. The other end of the telescopic pipe 32 is fixedly clamped in the circular hole 3. A circular hole 4 is opened on the left side of the feed shell 31, and the circular hole 4 extends into the feed shell 31. The inner surface of the feed shell 31 is located close to the A clamping ring 34 is fixedly connected to the position near the fourth circular hole, and four clamping grooves in an annular array are opened on the left surface of the clamping ring 34. A filter screen plate 35 is fixedly clamped at the position on the left side of the clamping ring 34 in the feed shell 31. The end face of the filter screen plate 35 is fixedly connected to four clamping rectangular blocks 36 in an annular array. The four clamping rectangular blocks 36 are respectively fixedly clamped to the corresponding clamping grooves. The four clamping rectangular blocks 36 are fixedly connected to the clamping ring 34 by bolts. A slag discharge notch is opened on the left surface of the feed shell 31, and the slag discharge notch is located at the lower side of the feed shell 31.

[0059] The feed shell 31 is used to allow smoke to circulate, the telescopic pipe 32 is used to adjust the length to facilitate the smoke to circulate, the clamping ring 34 is used to fix the filter screen 35, the filter screen 35 is used to filter large impurities, the clamping rectangular block 36 is used to fix the clamping ring 34, and the slag discharge notch on the feed shell 31 is used to discharge waste slag, which is convenient for filtering, thereby filtering large impurities and using them.

[0060] The filtering smoke inlet unit 3 also includes a vibration and knocking motor 37. Rectangular protrusions are respectively provided on the front and rear side surfaces of the feed shell 31 at the position to the right of the clamping ring 34. The two rectangular protrusions are respectively fixedly clamped with the vibration and knocking motors 37 through fixing seats. The knocking columns on the two vibration and knocking motors 37 are in contact with the filter screen plate 35. The input end of the vibration and knocking motor 37 is electrically connected to the output end of the external power supply through an external control switch group.

[0061] The vibration knocking motor 37 uses a vibration motor to vibrate the filter screen 35, thereby preventing the filter screen 35 from being blocked and facilitating the flow of smoke for use.

[0062] The filtering smoke inlet unit 3 also includes an arc-shaped fixing plate 33 and fixing bolts 38. The outer surface of the feed shell 31 is fixedly connected to four arc-shaped fixing plates 33 in a circular array. Each arc-shaped fixing plate 33 is provided with two fixing bolts 38 at equal intervals. The four arc-shaped fixing plates 33 are connected to the outside through the fixing bolts 38.

[0063] The arc-shaped fixing plate 33 is used to connect the feed shell 31 with the outside, and the fixing bolts 38 are used to fix the arc-shaped fixing plate 33, so that the device can be installed and fixed with the outside.

[0064] The working principle of the waste heat recovery and utilization device for polyester fiber production provided by the present invention is as follows: first, the feed shell 31 is used to allow the smoke to circulate, the telescopic pipe 32 is used to adjust the length to facilitate the smoke to circulate, the clamping ring 34 is used to fix the filter screen 35, the filter screen 35 is used to filter large impurities, the clamping rectangular block 36 is used to fix the clamping ring 34, the slag discharge notch on the feed shell 31 is used to discharge the waste slag, and it is convenient for filtering, the vibration knocking motor 37 is used to vibrate the filter screen 35, thereby preventing the filter screen 35 from being blocked, and the arc-shaped fixing plate 33 is used to allow the feed shell 31 to be cleaned. 31 is connected to the outside, the fixing bolt 38 is used to fix the arc-shaped fixing plate 33 to allow the smoke to flow into the protection and purification shell 42, and then the protection and purification shell 42 is fixed by the support fixing frame 41, the protection and purification shell 42 is used to fix the filter element fixing seat 43, the filter element fixing seat 43 is used to fix the clamping purification filter element 47, the limit slide 45 is used to make the movement of the movable slider 44 more stable, the movable slider 44 moves to fix the movable fixing plate 46, the movable fixing plate 46 is used to fix the purification filter element 47, thereby performing purification and filtering, and the connecting pipe 410 is used to allow the clean The flue gas after purification flows into the waste heat recovery unit 5. The handrail 49 is pulled to take the fixed cover 48 to facilitate opening the fixed cover 48. The fixed cover 48 is used to fix the purification filter element 47 to facilitate replacement of the purification filter element 47. The purification filter element 47 is used to filter and purify to remove dust and impurities in the flue gas to prevent pipe blockage. The auxiliary fixing frame 411 is used to fix the protective purification shell 42 to make the protective purification shell 42 more firmly fixed for purification use. After purification, the waste heat fixing shell 51 is used to fix the inverted smoke plate 1 52 and the inverted smoke plate 2 53. The inverted smoke plate 1 52 cooperates with the second smoke inverting plate 53 to facilitate the circulation of smoke. The rectangular water storage shell 54 is used to fix the U-shaped heating tube 55. The U-shaped heating tube 55 is used to heat water to utilize the waste heat of the smoke. The water inlet pipe 56 is used to allow external water to flow into the rectangular water storage shell 54. The water outlet pipe 57 is used to allow the heated water to flow out. The water pump 58 is used to provide power for the water circulation. The water outlet connecting pipe 59 is used to allow hot water to flow to the outside. The smoke outlet pipe 510 is used to discharge the smoke after heating. The smoke outlet chimney 511 is used to discharge the smoke to utilize the waste heat and facilitate the waste heat utilization.

[0065] It is worth noting that the core chip of the external control switch group disclosed in the above embodiment is a PLC single-chip microcomputer, the vibration percussion motor 37 adopts a vibration motor, and the external control switch group controls the water pump 58 and the vibration percussion motor 37 using methods commonly used in the prior art.

[0066] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A waste heat recovery device for polyester fiber production, characterized in that: It comprises a fixed support plate (1), a smoke filtering unit (3), a smoke purification unit (4) and a waste heat recovery unit (5); Fixed support plate (1): the four corners of the lower surface are respectively fixedly connected to a stable support leg (2); the four corners of the fixed support plate (1) are provided with rounded chamfers; the upper surface of the fixed support plate (1) is provided with a waste heat recovery unit (5); the upper surface of the fixed support plate (1) is provided with a flue gas purification unit (4) at a position on the left side of the waste heat recovery unit (5); and the left side of the flue gas purification unit (4) is provided with a smoke filter unit (3); The flue gas purification unit (4) comprises a supporting and fixing frame (41), a protective purification shell (42), a filter element fixing seat (43), a movable slider (44), a limiting slide column (45), a movable fixing plate (46) and a connecting pipe (410), wherein the upper surface of the fixed supporting plate (1) is located at a position on the left side of the waste heat recovery unit (5) and is fixedly connected to a supporting and fixing frame (41), and a protective purification shell (42) is fixedly connected to the supporting and fixing frame (41), and a smoke inlet circular hole 1 is provided on the left side of the protective purification shell (42), and a smoke outlet circular hole 1 is provided on the right side surface of the protective purification shell (42), and the smoke inlet circular hole 1 and the smoke outlet circular hole 1 extend into the protective purification shell (42), and a filter smoke inlet unit (3) is arranged in the smoke inlet circular hole 1, A rectangular hole is provided on the upper surface of the protective purification shell (42), and the rectangular hole extends into the protective purification shell (42). The smoke outlet circular hole is fixedly connected to the connecting pipe (410). A filter element fixing seat (43) is fixedly connected to the bottom surface of the protective purification shell (42), and the filter element fixing seat (43) corresponds to the rectangular hole. Slide grooves are provided on the front and rear side surfaces of the protective purification shell (42), and a limiting slide column (45) is fixedly connected to each of the two slide grooves. A movable slider (44) is slidably connected to each of the two slide grooves. The slide holes on the two movable sliders (44) are slidably connected to the corresponding limiting slide column (45), and the corresponding side surfaces of the two movable sliders (44) are fixedly connected to each of the movable fixing plates (46).

2. The waste heat recovery device for polyester fiber production according to claim 1, characterized in that: The flue gas purification unit (4) also includes a purification filter element (47), a fixed cover plate (48) and a pulling handrail (49); the protective purification shell (42) is located in a rectangular hole and is fixedly connected to the fixed cover plate (48); the fixed cover plate (48) is fixedly connected to the protective purification shell (42) by bolts; the lower surface of the fixed cover plate (48) is fixedly connected with a purification filter element (47); the purification filter element (47) is fixedly connected with a filter element fixing seat (43); the purification filter element (47) adopts a multi-layer structure; the upper surface of the fixed cover plate (48) is fixedly connected with a pulling handrail (49); the front and rear sides of the purification filter element (47) are respectively fixedly connected to the corresponding movable fixing plate (46) through a fixing seat.

3. The waste heat recovery and utilization device for polyester fiber production according to claim 1, characterized in that: The flue gas purification unit (4) further comprises an auxiliary fixing frame (411), and an auxiliary fixing frame (411) is respectively arranged on the right side surface of the protection purification shell (42) at positions on the upper and lower sides of the connecting pipe (410), and the two auxiliary fixing frames (411) are fixedly connected to the protection purification shell (42) via plug posts.

4. The waste heat recovery and utilization device for polyester fiber production according to claim 1, characterized in that: The waste heat recovery unit (5) comprises a waste heat fixed shell (51), a first smoke inverting plate (52) and a second smoke inverting plate (53); the upper surface of the fixed support plate (1) is located at a position on the right side of the protection and purification shell (42) and is fixedly connected to the waste heat fixed shell (51) through a support frame; the waste heat fixed shell (51) is fixedly engaged with a rectangular plate; a second smoke inlet circular hole is provided on the left surface of the waste heat fixed shell (51) at a position on the upper side of the rectangular plate; the second smoke inlet circular hole extends into the waste heat fixed shell (51); the right end of the connecting pipe (410) is connected to the smoke inlet on the waste heat fixed shell (51). The two auxiliary fixing frames (411) are fixedly connected in the circular hole, and the right ends of the two auxiliary fixing frames (411) are fixedly connected to the corresponding waste heat fixing shell (51). The right side surface of the waste heat fixing shell (51) is provided with a second smoke outlet circular hole at a position located on the upper side of the rectangular plate. The second smoke outlet circular hole extends into the waste heat fixing shell (51). The top inner surface of the waste heat fixing shell (51) is fixedly connected to a plurality of equally spaced smoke inverting plates (52) one, and the upper surface of the rectangular plate is fixedly connected to a plurality of equally spaced smoke inverting plates (53) two, so that the smoke inverting plates (52) one and two (53) are staggeredly arranged in the waste heat fixing shell (51).

5. The waste heat recovery and utilization device for polyester fiber production according to claim 4, characterized in that: The waste heat recovery unit (5) further comprises a rectangular water storage shell (54) and a U-shaped heating tube (55); the upper surface of the rectangular plate in the waste heat fixed shell (51) is located at the left and right sides of the second smoke inverting plate (53), and is respectively fixedly connected to a rectangular water storage shell (54); a plurality of U-shaped heating tubes (55) are respectively arranged at equal intervals at the positions between the first smoke inverting plate (52) and the second smoke inverting plate (53) in the waste heat fixed shell (51); both ends of all the U-shaped heating tubes (55) extend into the corresponding rectangular water storage shell (54), so that all the U-shaped heating tubes (55) are arranged at the positions between the first smoke inverting plate (52) and the second smoke inverting plate (53).

6. The waste heat recovery and utilization device for polyester fiber production according to claim 5, characterized in that: The waste heat recovery unit (5) further comprises a water inlet pipe (56), a water outlet pipe (57), a water pump (58) and a water outlet connecting pipe (59), wherein a water inlet hole is provided on the rectangular water storage shell (54) on the left side, the water inlet hole extends into the corresponding rectangular water storage shell (54), the water inlet hole is fixedly connected to one end of the water inlet pipe (56), the other end of the water inlet pipe (56) passes through the rectangular plate and the rear side of the waste heat fixed shell (51) in sequence and is connected to an external water source, and another water outlet hole is provided on the other rectangular water storage shell (54) on the right side, the water outlet hole is provided The hole is fixedly connected with one end of a water outlet pipe (57); the inner bottom surface of the waste heat fixed shell (51) is fixedly connected with a water pump (58); the other end of the water outlet pipe (57) passes through the rectangular plate and is fixedly connected with the water inlet hole on the water pump (58); the water outlet hole on the water pump (58) is fixedly connected with one end of a water outlet connecting pipe (59); the other end of the water outlet connecting pipe (59) passes through the rear side of the waste heat fixed shell (51) and is connected to an external pipe; the input end of the water pump (58) is electrically connected to the output end of an external power supply through an external control switch group.

7. The waste heat recovery and utilization device for polyester fiber production according to claim 6, characterized in that: The waste heat recovery unit (5) further comprises a smoke outlet pipe (510) and a smoke outlet chimney (511); the second smoke outlet circular hole on the waste heat fixing shell (51) is fixedly connected to the smoke outlet pipe (510); the right side surface of the waste heat fixing shell (51) is located above the smoke outlet pipe (510) and is fixedly connected to the smoke outlet chimney (511) via a chimney fixing frame; the right end of the smoke outlet pipe (510) extends into the smoke outlet chimney (511); and a rain shield is provided at the upper end of the smoke outlet chimney (511).

8. The waste heat recovery and utilization device for polyester fiber production according to claim 1, characterized in that: The smoke filter unit (3) comprises a feed shell (31), a telescopic pipe (32), a clamping ring (34), a filter screen plate (35) and a clamping rectangular block (36); a smoke inlet circular hole 1 on the left side of the protection and purification shell (42) is fixedly clamped with one end of the telescopic pipe (32); a feed shell (31) is arranged on the left side of the protection and purification shell (42); a circular hole 3 is opened on the right side of the feed shell (31), and the circular hole 3 extends into the feed shell (31); the other end of the telescopic pipe (32) is fixedly clamped in the circular hole 3; a circular hole 4 is opened on the left side of the feed shell (31), and the circular hole 4 extends into the feed shell (31); the feed shell (31) ) is fixedly connected to a clamping ring (34) at a position near the circular hole four on the inner surface thereof, and the left surface of the clamping ring (34) is provided with four clamping grooves in an annular array, and a filter screen plate (35) is fixedly clamped at a position on the left side of the clamping ring (34) in the feed shell (31), and the end surface of the filter screen plate (35) is fixedly connected to four clamping rectangular blocks (36) in an annular array, and the four clamping rectangular blocks (36) are respectively fixedly clamped to the corresponding clamping grooves, and the four clamping rectangular blocks (36) are fixedly connected to the clamping ring (34) by bolts, and a slag discharge notch is provided on the left surface of the feed shell (31), and the slag discharge notch is located at the lower side of the feed shell (31).

9. The waste heat recovery and utilization device for polyester fiber production according to claim 8, characterized in that: The smoke filter unit (3) further comprises a vibration knocking motor (37), and rectangular protrusions are respectively provided on the front and rear side surfaces of the feed shell (31) at positions on the right side of the clamping ring (34), and the two rectangular protrusions are respectively fixedly clamped with the vibration knocking motor (37) through fixing seats, and the knocking columns on the two vibration knocking motors (37) are in contact with the filter screen plate (35), and the input end of the vibration knocking motor (37) is electrically connected to the output end of the external power supply through an external control switch group.

10. The waste heat recovery and utilization device for polyester fiber production according to claim 8, characterized in that: The smoke filtering unit (3) further comprises an arc-shaped fixing plate (33) and fixing bolts (38); the outer surface of the feed shell (31) is fixedly connected to four annular array arc-shaped fixing plates (33); each arc-shaped fixing plate (33) is provided with two fixing bolts (38) at equal intervals; the four arc-shaped fixing plates (33) are connected to the outside via the fixing bolts (38).

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