High-efficiency Compact Energy-saving and Environment-friendly Stenter

Abstract

The present invention discloses a high-efficiency compact energy-saving and environmental-friendly stenter, which is composed of a fabric feeding area device, a plurality of stenter oven systems, and a fabric discharging area device, and the working state of the machine is controlled by a console; in the stenter oven system, the static pressure hot air chamber adopts a swirling and laminated structure, and there is a swirling fabric feeding device at the tail end of the stenter oven system; the fabric is led out from the outlet of the upper static pressure hot air chamber, and the fabric feeding area device and the fabric discharging area device overlap, and the fabric discharging area device is higher than the fabric feeding area device; and an adaptive air return device is adopted and the energy-saving heat recovery system is omitted; through the above technical solutions, the present invention shortens the length of the oven system, and utilizes the height difference to make the working areas of the devices in the fabric feeding area and the devices in the fabric discharging area overlap, so the floor area of the whole device is reduced by half compared with the traditional machine, and the space utilization rate is improved; the working area of the whole set of equipment is concentrated, only a group of staff is needed to operate, and the utilization rate of heat energy recovery is more efficient.

Description

Technical Field

[0001] The present invention relates to an energy-saving and environmentally friendly stenter for the printing and dyeing industry, in particular to a high-efficiency compact energy-saving and environmentally friendly stenter with a small floor area and a reduced number of staff required. Background Art

[0002] In the known printing and dyeing industry, fabric needs to be subjected to stenter setting treatment. A traditional stenter is composed of a fabric feeding area, a plurality of oven systems, and a fabric discharging area, and is operated through a control console system. The fabric feeding area includes equipment such as a fabric feeding combination device, a calender, and a control console, with a length of about 6 - 12 meters; the oven system is composed of about 6 - 12 oven units, with each unit having a length of about 3 meters, and the fabric discharging area includes a fabric discharging combination device and a fabric discharging support device, with a length of about 6 - 12 meters. Therefore, the total length of the stenter from end to end is about 30 meters to 60 meters, occupying a relatively large floor area.

[0003] Since the fabric feeding area and the fabric discharging area of the traditional stenter are located at both ends of the entire system and are far apart, the traditional process requires more than 3 staff members in a total of three groups, namely front, middle, and back, to operate in 3 working areas respectively, wasting human resources; moreover, the front and back working areas are dozens of meters apart, making communication extremely inconvenient, reducing work efficiency, and potentially causing production accidents.

[0004] In addition, due to the country's promotion of the construction of standardized workshops and the relocation of heavily polluting printing and dyeing equipment to standardized industrial areas for unified management, the net height of general standardized workshops is about 5 - 6 meters, while the height of existing stenters is generally between 3 - 4 meters, resulting in low space utilization and waste.

[0005] At the same time, although the existing stenter treats waste gas through an energy-saving heat recovery system and a purification device, a large amount of hot gas is still discharged into the air, and there is room for improvement in energy-saving efficiency. Summary of the Invention

[0006] The object of the present invention is to provide a high-efficiency compact energy-saving and environmentally friendly stenter with a small floor area, high space utilization, reduced labor, and improved work efficiency, and further reduce the emission of hot gas to solve the problems existing in the current technology.

[0007] To achieve the above object, the high-efficiency compact energy-saving and environmentally friendly stenter provided by the present invention is composed of a fabric feeding area, a plurality of stenter setting oven systems, and a fabric discharging area, and controls the working state of the machine through a control console. The fabric enters from one side of the fabric feeding area, sequentially passes through various equipment in the fabric feeding area, enters the oven system to complete the purpose of stenter setting, and finally completes the entire process after being cooled and retracted by the equipment in the fabric discharging area.

[0008] The fabric inlet area consists of equipment such as a fabric inlet combination device, a calender, and a control console. The fabric outlet area consists of a fabric outlet combination device and a fabric outlet support device.

[0009] The stenter setting oven system consists of a circulating air chamber and a static pressure hot air chamber. There are heaters and circulating fans in the circulating air chamber. There is a hot air nozzle device in the static pressure hot air chamber. The hot air nozzle device has two layers up and down, and in the middle is a track for conveying the fabric. On the side of the hot air nozzle device facing the fabric, there are air nozzles. In the stenter setting oven system, after the air in the circulating air chamber is heated by the heater, the circulating fan generates air pressure, enters the hot air nozzle device in the static pressure hot air chamber, and blows towards the fabric through the air nozzles to achieve the purpose of stenter setting.

[0010] The stenter setting oven system is equipped with an energy-saving heat recovery system and a purification device, which are generally installed on the upper layer of the stenter setting oven system and are interconnected with the exhaust pipe and the intake pipe to achieve the purpose of energy conservation and emission reduction.

[0011] In the technical solution of the present invention, the static pressure hot air chamber adopts a swirling structure, that is, there is a swirling static pressure hot air chamber above the static pressure hot air chamber. There are also hot air nozzle devices and tracks for conveying the fabric in the swirling static pressure hot air chamber, and the running direction of its track is opposite to that of the track in the lower static pressure hot air chamber;

[0012] At the end of the stenter setting oven system, there is a swirling fabric feeding device, which lifts the fabric from the outlet of the static pressure hot air chamber at the end to the inlet of the swirling static pressure hot air chamber at the end, and finally guides it from the outlet of the first swirling static pressure hot air chamber to the fabric outlet area;

[0013] The fabric outlet combination device is placed in front of the fabric inlet combination device and is higher than the height of the equipment in the fabric inlet area. The fabric outlet support device is arranged above the equipment in the fabric inlet area, reasonably utilizing the equipment space, and simplifying the equipment structure and material consumption.

[0014] The technical solution of the present invention adopts a double-layer static pressure hot air chamber structure, and through the swirling fabric feeding device, the fabric enters the swirling static pressure hot air chamber at the end of the second layer from the end of the static pressure hot air chamber of the first layer, and finally is conveyed from the outlet of the first swirling static pressure hot air chamber to the fabric outlet combination device. Therefore, only half of the oven units are required to complete the original work.

[0015] At the same time, since the fabric inlet area and the fabric outlet area overlap and their working areas are staggered in height, the floor area is also saved. The floor area of the present invention is only about half of that of traditional products.

[0016] And because the working areas of the fabric inlet area and the fabric outlet area overlap, only a group of two employees are required to complete the operation work, and there is no working communication obstacle.

[0017] The aforementioned cloth conveying device for rotation consists of upper and lower sets of guide shafts, corresponding to the outlet of the tail-end static hot air chamber and the inlet of the rotation static hot air chamber respectively.

[0018] As an optimization, to avoid the deviation and wrinkles of the cloth during rotation, the cloth conveying device for rotation also includes a rotation amplitude expanding and centering device, which can replace the upper guide shaft.

[0019] As an optimization, the aforementioned cloth conveying device for rotation is formed by connecting the tracks in the two hot air chambers end to end to form a circulating structure. The performance of this structure is more stable than that of the previous cloth conveying device for rotation, but the structure is relatively complex and is suitable for high-end systems with more units.

[0020] As an optimization, between the static hot air chamber and the rotation static hot air chamber, there is a partition that can be controlled to open or close, and it can be adjusted according to the required working state of the cloth.

[0021] As an optimization, the aforementioned hot air nozzle device is a horizontal W-shaped structure, and there are hot air nozzles both above and below the middle air blowing channel, that is, it blows air to both the lower layer and the upper layer of the cloth.

[0022] To make the most of the air heat energy, the technical solution of the present invention is also equipped with an adaptive air return device, and a secondary purification device is connected after the purification device;

[0023] The adaptive air return device consists of a three-way ventilation pipe and a make-up air fan. The three-way ventilation pipe has three through holes, namely upper, middle, and lower through holes. The upper through hole leads to the external environment, the middle through hole is connected to the exhaust pipe of the secondary purification device, and after the lower through hole is connected to the make-up air fan, it is connected to the intake pipe. The adaptive air return device consists of a three-way ventilation pipe and a make-up air fan. The three-way ventilation pipe has three through holes, namely upper, middle, and lower through holes. The upper through hole leads to the external environment, the middle through hole is connected to the exhaust pipe of the secondary purification device, and after the lower through hole is connected to the make-up air fan, it is connected to the intake pipe.

[0024] The qualified hot air generated by the secondary purification device is cyclically brought into the oven system for reuse, and the full utilization of the hot exhaust gas can be realized.

[0025] The advantages and effective benefits of the present invention are as follows: by adopting the rotationally stacked oven units, the length of the oven system is shortened, and by using the height difference, the working areas of the devices in the cloth feeding area and the devices in the cloth discharging area overlap. Therefore, the floor area of the overall equipment is reduced by half compared with the traditional machine, and the space utilization rate is improved; the working area of the whole set of equipment is concentrated, only one group of staff is required to operate, and the utilization rate of heat energy recovery is more efficient. Brief Description of the Drawings

[0026] Figure 1 is the structural diagram of a traditional energy-saving and environmental-friendly stenter;

[0027] Figure 2 isFigure 1 Cross-sectional view of the oven unit of the traditional stenter shown

[0028] Figure 3 Structural diagram of the first embodiment of the high-efficiency compact energy-saving and environmentally friendly stentering machine of the present invention

[0029] Figure 4 Cross-sectional view of the oven unit of the present invention

[0030] Figure 5 Cross-sectional view of the second design of the oven unit of the present invention

[0031] Figure 6 is an optimized structural diagram of the embodiment of Figure 4

[0032] Figure 7 is an optimized structural diagram of the embodiment of Figure 5

[0033] Figure 8 Schematic diagram of the air heating working process of the traditional energy-saving and environmentally friendly stentering machine

[0034] Figure 9 Schematic diagram of the air circulation heating working process of the embodiment of the present invention

[0035] Figure 10 Schematic diagram of the structure of the second embodiment of the rotary fabric loading device of the present invention

[0036] In the figure, 1, fabric loading area; 2, oven system; 3, fabric discharging area; 4, energy-saving heat recovery system; 5, purification device; 6, exhaust pipe; 7, intake pipe; 8, fabric; 9, rotary fabric loading device; 10, secondary purification device; 11, adaptive air return device

[0037] 101, fabric loading combination device; 102, padding mangle; 103, control console

[0038] 201, circulating air chamber; 202, static pressure hot air chamber; 2021, rotary static pressure hot air chamber; 203, heater; 204, track; 205, cloth clip; 206, air chamber partition; 207, hot air nozzle device; 208, circulating fan; 209, environmental protection heat preservation board

[0039] 301, fabric discharging combination device; 302, fabric discharging support device; 303, cooling air nozzle; 304, cooling fan

[0040] 901, lower fabric guiding shaft; 902, upper fabric guiding shaft; 903, rotary fabric expanding and centering device

[0041] 1101, three-way ventilation pipe; 1102, make-up air fan

[0042] As Figure 1The structure of the shown traditional energy-saving and environment-friendly stenter consists of a fabric feeding area 1, a plurality of oven systems 2, and a fabric discharging area 3. Among them, the fabric feeding area 1 is composed of equipment such as a fabric feeding combination device 101, a calender 102, and a control console 103; in this example, the oven system 2 is composed of 6 oven units; the fabric discharging area 3 includes a fabric discharging support device 302 and a fabric discharging combination device 301.

[0043] Each oven unit of the oven system 2 in the figure is composed of a circulating air chamber 201 below and a static pressure hot air chamber 202 above. There is a blower 208 and a heater 203 in the circulating air chamber 201, and the working purpose is to heat the air; inside the static pressure hot air chamber 202, there are hot air nozzle devices 207 and a track 204 for conveying the fabric 8, which are of conventional designs and will not be elaborated further.

[0044] In order to improve the thermal energy utilization rate, an energy-saving and emission-reduction system is provided, which consists of an energy-saving heat recovery system 4 and a purification device 5, and is interconnected with an exhaust pipe 6 and an intake pipe 7;

[0045] The previously supporting energy-saving and emission-reduction system was relatively large in volume and was often installed independently beside the stenter. Due to the recent technological development, the energy-saving and emission-reduction system has been miniaturized. To reduce the floor area, it is installed above the oven system 2.

[0046] In Figure 1 In the embodiment, the fabric 8 is represented by a dotted line, lifted from the fabric box by the fabric feeding combination device 101, sequentially passes through the equipment in the fabric feeding area 1, enters the static pressure hot air chamber 202 of the first oven unit of the oven system 2, and sequentially passes through the hot air chambers 202 of multiple oven units driven by the internal track 204, is led out from the outlet of the hot air chamber 202 at the tail end to the fabric discharging area 3, collected into the fabric box by the fabric discharging combination device 301, and the fabric discharging support device 302 supports the fabric 8 in the air to let it cool and retract naturally in the air. The longer air suspension distance helps to maintain the stability of the fabric quality.

[0047] For this example of the traditional stenter, the fabric feeding area 1 is about 6 meters long, the fabric discharging area 3 is about 12 meters long, and the length of each section of the oven is calculated as 3 meters. The overall length of the whole machine is about 6 + 6×3 + 12 = 36 meters, which belongs to a relatively small model among traditional stenters. The height of the oven unit is about 2 meters, and the overall height after adding the energy-saving and emission-reduction system is about 3.5 meters. For a standard workshop with a net height of 5 - 6 meters, there is obviously a problem of insufficient space utilization.

[0048] As Figure 2As shown in the cross-sectional view of the oven unit of the traditional stenter, the stentering oven system 2 consists of a lower circulating air chamber 201 and an upper static pressure hot air chamber 202, and the outer shell is an environmentally friendly heat-insulating board 209. There is a horizontally U-shaped hot air nozzle device 207 in the static pressure hot air chamber 202. Inside the U-shaped space of the hot air nozzle device 207 is the fabric 8. On both sides of the fabric 8 are tracks 204 and cloth clips 205, which drive the fabric 8 to move along the tracks in the stenter. One side surface of the hot air nozzle device 207 facing the fabric 8 has blowing holes. After the air is heated by the heater 203 in the circulating air chamber 201 and pressurized by the circulating fan 208, it blows towards the surface of the fabric 8 through the blowing holes of the hot air nozzle device 207, achieving the working purpose of stentering and shaping the fabric.

[0049] As Figure 3 shown in the first embodiment of the present invention, some equipment in the fabric feeding area 1 is no different from the traditional equipment. Its technical innovation lies in that the stentering oven system 2 of the present invention has a swirling superposition structure for the static pressure hot air chamber. Specifically, there is a swirling static pressure hot air chamber 2021 above the static pressure hot air chamber 202. At the tail end of the stentering oven system 2, there is a swirling fabric feeding device 9, which lifts the fabric 8 from the outlet of the tail end static pressure hot air chamber 202 to the inlet of the tail end of the swirling static pressure hot air chamber 2021; the track 204 for conveying the fabric 8 in the swirling static pressure hot air chamber 2021 has an operating direction opposite to that of the track 204 in the lower static pressure hot air chamber 202; specifically, in the multiple hot air chamber 202 units in the lower layer, the track drives the fabric 8 to move from front to back, while in the multiple swirling static pressure hot air chamber 2021 units in the upper layer, the track drives the fabric 8 to move from back to front.

[0050] In the stentering oven system 2 of the present invention, the fabric 8 enters from the front end of the lower static pressure hot air chamber 202 and exits from the front end of the upper swirling static pressure hot air chamber 2021. The fabric inlet and outlet are both located at the front end of the stentering oven system 2 and there is a certain height difference.

[0051] In the embodiment of the present invention, the overall height of each device in the fabric feeding area 1 is lower than the fabric outlet at the front end of the upper swirling static pressure hot air chamber. The fabric outlet combination device 301 is placed in front of the fabric inlet combination device 101 and is higher than the overall height of each device in the fabric feeding area. Utilizing this height difference, the fabric 8 passes above the fabric feeding area 1 and is guided to the fabric outlet area 3.

[0052] In this embodiment, there are cooling nozzles 303 and a cooling fan 304 on the fabric outlet combination device 301. The cooling nozzles 303 are located above the fabric outlet support device 302 and face the fabric 8. After being blown by the cooling fan, the fabric 8 is cooled

[0053] and then collected into the fabric box. This device can reduce the time for the fabric 8 to stay in the air for cooling and save the floor area of the fabric outlet area 3.

[0054] In this embodiment, by making full use of the heights of the devices in the fabric feeding area 1, the fabric discharging support device 302 is arranged above the devices in the fabric feeding area 1, so as to simplify the structure and reduce material consumption.

[0055] In this embodiment, only half of the oven units are needed to complete the original work. At the same time, since the fabric feeding area 1 and the fabric discharging area 3 overlap in area and stagger their working areas in height to form an integrated working area, the floor area is also saved.

[0056] The floor area of the present invention is only about half of that of traditional products. Specifically in this embodiment, assuming that the fabric feeding device 9 occupies a length of 1 meter and the integrated fabric feeding and discharging working area occupies a length of 8 meters, the overall length of the machine is 3×3 + 8 + 1 = 18 meters. Compared with the 36-meter length of the traditional prototype machine, the floor area is only 50% of that of the prototype machine. And the overall height of the machine is about 4.5 meters, improving the utilization rate of the net height of the standard workshop.

[0057] For large-scale setting machines with more oven units, such as a 12-unit setting machine system, assuming that the fabric feeding area of the prototype machine is 8 meters, the fabric discharging area is 12 meters, and the length is about 8 + 3×12 + 12 = 56 meters. After adopting the technology of the present invention, the overall length is about 3×6 + 10 = 28 meters, and the floor area is also only half of that of the prototype machine. It can be seen that the present invention will not affect the effect of saving floor area due to the change in the number of oven units.

[0058] And because the working areas of the fabric feeding area 1 and the fabric discharging area 3 overlap, only one group of two employees is needed to complete the machine control work, and there is no communication obstacle in the work, optimizing the work efficiency and saving salary expenses.

[0059] The oven unit of the present invention has a compact structure and a small surface area, which can effectively avoid the heat dissipation of the machine body and save the amount of heat insulation materials. Taking Figure 1 and Figure 3 as an example for comparison, assuming that the width of the oven is 4 meters and the heat dissipation from the front, back and the grounded bottom is ignored, the heat dissipation surface area of the traditional model is (2 + 4 + 2)×3×6 = 144 square meters, and the heat dissipation surface area of the present invention is (3 + 4 + 3)×3×3 = 90 square meters, which is only 62.5% of that of the traditional model, effectively saving heat energy loss.

[0060] At the same time, the surface layer of the oven unit is usually made of heat insulation materials more than 150 mm thick. Therefore, the present invention also reduces the amount of heat insulation materials and manufacturing costs. And the lower heat dissipation of the machine body also reduces the working temperature of the surrounding environment of the machine body. In practice, it can be reduced by more than 2 degrees Celsius, improving the working environment of the staff and helping to improve work efficiency.

[0061] The fabric feeding device 9 in this embodiment is composed of a lower guide shaft 901 and an upper guide shaft 902, which respectively correspond to the outlet of the lower static pressure hot air chamber and the inlet of the upper rotary static pressure hot air chamber.

[0062] As an optimized design, the rotary fabric spreading device 9 may further include a rotary fabric widening and centering device 903 to prevent the fabric 8 from shifting and wrinkling during the rotary process. The rotary fabric widening and centering device 903 is arranged between the lower guide shaft 901 and the upper guide shaft 902, or the upper guide shaft 902 is replaced by the rotary fabric widening and centering device 903.

[0063] For the convenience of description, the structures of the devices in the structure diagram of this embodiment are simplified to a certain extent. Therefore, the structure diagram of this embodiment should not be regarded as a limitation on the actual structure. The actual setting machine devices may further include functional devices such as fabric widening and centering, overfeed, width adjustment, soft edge, speed synchronization, and photoelectric weft straightening, which can be freely combined according to actual requirements.

[0064] As Figure 4 shown in the cross-sectional view of the oven unit of the first embodiment of the present invention, there is a rotary static pressure hot air chamber 203 above the hot air chamber 202. There are fabric 8 and corresponding tracks 204 and clip devices 205 between the two boxes. The fabric below moves from front to back, and the fabric above moves from back to front. The hot air nozzle device 206 is of a double U-shaped structure and is respectively inserted between the hot air chamber 202 and the rotary static pressure hot air chamber 203 to blow and shape the two layers of fabric 8 moving in a rotary manner.

[0065] As Figure 4 shown in the cross-section of the oven unit, there is an obvious air chamber partition 206 between the hot air chamber 202 and the rotary static pressure hot air chamber 203. If the air chamber partition 206 is removed, it is Figure 5 shown in the second structure of the cross-section of the oven unit, and at this time, the hot air chamber 202 and the rotary static pressure hot air chamber 2021 are actually an integral body.

[0066] Figure 4 Compared with Figure 5 the technical difference of the oven unit structure shown is that: Figure 4 In the structure shown, the hot air temperature and air pressure of the upper and lower hot air chambers can be adjusted separately, which is suitable for the fine processing of special fabrics with high requirements; while the structure shown in Figure 5 is relatively simple and is suitable for most fabrics that only require constant temperature and constant pressure, reducing the technical requirements and operation difficulty of the overall equipment.

[0067] As shown in the structure of Figure 6, it is for Figure 4Optimization of the shown oven unit, especially in that there are openable ventilation holes on the partition plate 206 between the hot air chamber 202 and the rotary static pressure hot air chamber 2021, and there is also a movable ventilation plate which can open or close the ventilation holes of the partition plate 206 when moving, forming a ventilation partition structure that can be opened and closed. The technical benefit of this structure lies in switching the working mode of the oven unit. When the ventilation holes are open, the whole machine works in the conventional working mode of constant temperature and constant pressure, reducing the control difficulty of the system; when the ventilation holes are closed, the temperature and air pressure of the static pressure hot air chamber 202 and the rotary static pressure hot air chamber 2021 can be adjusted separately to adapt to the fine processing of special fabrics with high requirements.

[0068] As Figure 7 shown in the structure, it is a further optimization of the Figure 5 shown oven unit. The original double-U-shaped hot air nozzle device 206 is simplified to a horizontal W-shaped structure. There are hot air nozzles both above and below the middle blowing duct, blowing air on both the lower and upper fabrics, further simplifying the system structure. In this structure, the hot air chamber 202 and the rotary static pressure hot air chamber 2021 are an integrated structure, simplifying the hot air chamber structure, reducing the overall height of the system, and the overall height of the whole machine can be controlled within 4 meters, suitable for occasions with strict requirements on the machine height.

[0069] As shown in Figure 8, for the hot air circulation working process of the traditional stenter, the cold air enters the energy-saving heat recovery system 4 from the intake pipe 7 first, exchanges heat energy to increase the temperature, then enters the circulating air chamber 201, is heated to the working temperature and enters the static pressure hot air chamber 202. After baking the fabric, it is collected and enters the energy-saving heat recovery system 4, exchanges heat energy to reduce the temperature, and then passes through the purification device 5 to remove dust and dirt to meet the emission standard, and is discharged into the atmospheric environment through the exhaust pipe 6.

[0070] In this traditional technology, the energy-saving heat recovery system 4 is used to exchange the heat energy of the exhaust gas and the intake air to achieve the effect of energy conservation and emission reduction. However, the final discharged gas still has a temperature of 60 to 80 degrees Celsius and is all discharged into the air, still having a significant heat energy loss.

[0071] As shown in Figure 9, in the present invention, on the basis of the traditional hot air circulation system, a secondary purification device 10 and an adaptive return air device 11 are added behind the purification device 5. The adaptive return air device 11 is composed of a three-way ventilation pipe 1101 and a make-up air fan 1102. The three-way ventilation pipe 1101 has upper, middle, and lower through holes. The upper through hole leads to the external environment, the middle through hole is connected to the exhaust pipe 6 of the secondary purification device 10, and after the lower through hole is connected to the make-up air fan 1102, it is connected to the intake pipe 7 of the circulating air chamber 201.

[0072] When the adaptive air return device 11 works, the make-up air fan 1102 generates a suction force to draw the purified hot tail gas that meets the emission standards into the circulating air chamber 201, enabling the thermal energy air to basically circulate within the stenter system, greatly reducing the emission of thermal energy tail gas, significantly improving the utilization of thermal energy, and thus omitting the original energy-saving heat recovery system 4.

[0073] The adaptive air return device 11 can automatically discharge or inhale air according to the working state, automatically adjust during the working process of the stenter, and reduce manual intervention. Moreover, the hot air temperature and air pressure are not affected by the outside world, making the system work more stably. In different working environments, it can effectively reduce the emission of hot tail gas by more than about 80%, effectively saving thermal energy consumption.

[0074] As Figure 10 shown, in the second embodiment of the rotary fabric feeding device 9 adopted in the present invention, the traditional circulating track 204 is changed from a horizontal movement state to a vertical circulation state, penetrates through two layers of static pressure hot air chambers, and is connected end to end to form a circulation structure.

[0075] The advantage of the embodiment adopting the rotary fabric feeding device 9 is that the structure is more compact, and the movement of the upper and lower fabrics can be stably synchronized, which is beneficial to the processing of high-quality fabrics.

[0076] To sum up, the present invention provides a stentering machine device with a small floor area, high space utilization rate, low heat dissipation surface area, concentrated working area, and labor saving, and has a more efficient utilization rate of heat energy recovery. The above description is only the preferred embodiment of the present invention. In the actual deployment process of the present invention, due to different production process requirements, it is impossible to completely operate according to the above embodiments. Therefore, the embodiments of the present invention should not be understood as a limitation to the present invention. It should be noted that for those of ordinary skill in the art in the technical field, without departing from the technical principle of the present invention, several improvements and adjustments can still be made, and these improvements and adjustments should also be regarded as within the effective protection scope of the present invention.

Claims

1. A high-efficiency compact energy-saving and environmental-friendly stenter, which is composed of a fabric feeding area, a plurality of stenter oven systems, and a fabric discharging area, and the working state of the machine is controlled by a console; the fabric feeding area is composed of equipment such as a fabric feeding combination device, a padding mangle, and a console, and the fabric discharging area includes a fabric discharging combination device and a fabric discharging support device; the stenter oven system is composed of a circulating air chamber and a static pressure hot air chamber. There are heaters and circulating fans in the circulating air chamber; there is a hot air nozzle device in the static pressure hot air chamber. The hot air nozzle device has two layers, and in the middle is a track for conveying the fabric. There are air nozzles on the side of the hot air nozzle device facing the fabric; the stenter oven system is equipped with an energy-saving heat recovery system and a purification device, which are generally installed on the upper layer of the stenter oven system and are interconnected with the exhaust pipe and the intake pipe; its characteristics are as follows: The hot air nozzle device has a horizontal W-shaped structure. There are air nozzles both above and below the middle blowing air duct, that is, it blows air on both the lower layer of the fabric and the upper layer of the fabric. For the stenter oven system, its static pressure hot air chamber adopts a swirling structure, that is, there is a swirling static pressure hot air chamber above the static pressure hot air chamber. There are also a hot air nozzle device and a track for conveying the fabric in the swirling static pressure hot air chamber, and the running direction of its track is opposite to that of the track in the lower static pressure hot air chamber. There is a swirling fabric feeding device at the tail end of the stenter oven system, which lifts the fabric from the outlet of the static pressure hot air chamber at the tail end to the inlet of the swirling static pressure hot air chamber at the tail end, and finally guides it to the fabric discharging area from the outlet of the first swirling static pressure hot air chamber. The fabric discharging combination device is placed in front of the fabric feeding combination device and is higher than the height of the equipment in the fabric feeding area. The fabric discharging support device is arranged above the equipment in the fabric feeding area. The stenter oven system is also equipped with an adaptive air return device, and a secondary purification device is connected after the purification device. The adaptive air return device is composed of a three-way ventilation pipe and a make-up air fan. The three-way ventilation pipe has three through holes, namely an upper through hole leading to the external environment, a middle through hole connected to the exhaust pipe of the secondary purification device, and a lower through hole connected to the make-up air fan and then connected to the intake pipe. The swirling fabric feeding device is composed of two sets of guide shafts, which respectively correspond to the outlet of the static pressure hot air chamber at the tail end and the inlet of the swirling static pressure hot air chamber. The swirling fabric feeding device includes a swirling width expanding and centering device. The swirling fabric feeding device is formed by connecting the tracks in the two layers of static pressure hot air chambers end to end to form a circulating structure.

2. The high-efficiency compact energy-saving and environmental-friendly stenter frame according to claim 1, wherein: There is a ventilation partition structure that can be controlled to open or close between the static pressure hot air chamber and the swirling static pressure hot air chamber.

3. The energy-saving and environment-friendly stenter frame as claimed in claim 1, wherein: The energy-saving heat recovery system is omitted.

4. The high-efficiency compact energy-saving and environmental-friendly stenter as claimed in claim 1, wherein: The fabric discharging combination device includes cooling air nozzles and a cooling fan, which are located above the fabric discharging support device, and the cooling air nozzles face the fabric.

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