CN205313841U - Fabric design waste heat recovery's hot -blast tentering setting machine - Google Patents

Abstract

The utility model provides a hot air stenter setting machine for recovering waste heat from fabric sizing, which comprises a stenter setting cloth feeding device, a drying device, and a stenter setting cloth output device connected in sequence. The drying device includes several tunnel ovens, which are arranged in The heating device and bellows inside each oven are characterized in that: four ovens form an oven group, four air outlets are arranged above the oven group, and the four air outlets communicate with the exhaust fan through the air outlet duct, and the air outlet of the exhaust fan The pipe is connected with the heat exchanger, one side of the heat exchanger is connected with the blower, and the other side is connected with the air box through a circulation pipe, any one oven group only forms a heat circulation channel with an adjacent air box, and the drying device A bellows is provided at both ends. The beneficial effects of the utility model are: the solution can effectively isolate the cold air from the cloth inlet and outlet ends of the drying device, can effectively utilize waste heat, and at the same time ensure the uniformity of the temperature of the front and rear ovens.

Description

A hot air stenter setting machine for recovering waste heat from fabric setting

technical field

The utility model relates to a hot air stenter setting machine, in particular to a hot air stenter setting machine for recovering waste heat from fabric setting.

Background technique

The hot air stenter setting machine is widely used in the finishing process of various textiles such as woven fabrics and knitted fabrics. into the oven. When the fabric passes through the oven, it will be dried and shaped under the action of high-temperature hot air. The shaped fabric has a good hand feeling and stable size. At present, the setting machine in use is generally designed as eight ovens. There are two exhaust fans on the top of the oven, which are respectively responsible for extracting the waste and wet gas from the front and rear four ovens. The exhausted gas contains a lot of heat. Due to the air pressure balance , a large amount of room temperature air enters the first oven and the last oven from the cloth inlet and outlet at the front and back of the oven, resulting in a drop in temperature of the first oven and the last oven, heat loss, reduced oven efficiency, and even affects product quality.

Contents of the invention

Aiming at the deficiencies of the prior art, the utility model provides a hot air stenter setting machine which can effectively utilize the waste heat of the oven and ensure the temperature stability of the front and rear ovens, which can greatly improve the efficiency of the drying room and effectively reduce energy consumption without increasing the heat source .

The technical scheme of the utility model is: a hot air stenter setting machine for recovering waste heat from fabric sizing, including a stenter setting cloth feeding device, a drying device, and a stenter setting cloth output device connected in sequence, and the drying device includes several tunnel-type Ovens, heating devices and bellows arranged inside each oven, are characterized in that: four ovens form an oven group, four air outlets are arranged above the oven group, and the four air outlets are connected to the exhaust fan through the air outlet duct, and the exhaust air The air outlet pipe of the machine is connected with the heat exchanger, one side of the heat exchanger is connected with the blower, and the other side is connected with the air box through the circulation pipe, any one oven group only forms a heat circulation channel with an adjacent air box, An air box is arranged at both ends of the drying device.

The drying device includes eight tunnel ovens, the front and rear ends of the drying device are respectively provided with a first wind box and a second wind box, and the first wind box communicates with the first heat exchanger arranged on the first exhaust fan through a circulation pipeline , the second wind box communicates with the second heat exchanger arranged on the second exhaust fan through a circulation pipeline, and blowers are also arranged on the first heat exchanger and the second heat exchanger.

Four air outlets are arranged above the oven group, wherein each oven is provided with an air outlet, or no air outlet is arranged above the first oven and the sixth oven.

The exhaust fan and the blower are connected through a circulating air pipe, and a decontamination device and an air filling device are arranged in the middle of the circulating air pipe. The decontamination device is used to eliminate the sewage after the waste moisture is condensed, and the air filling device is used to provide a small amount of new air. To balance the air pressure in the thermal circulation channel.

The heating device includes a wind wheel arranged at the air inlet position in each oven, and a heat exchange dryer arranged above the air inlet in the oven, and each oven is provided with an air outlet communicating with the air outlet. mouthpiece.

The sides of the heat exchange dryer are in contact with the inner wall of the oven.

The beneficial effects of the utility model are as follows: in this scheme, four ovens are formed into an oven group, and each oven group forms a heat circulation channel with an adjacent bellows, and two symmetrical circulation loops are formed when two oven groups are used. Internal convection is formed inside the drying device, and a small air pressure difference is formed at the bellows, which effectively isolates the cold air from the cloth inlet and outlet ends of the drying device, can effectively use waste heat, and ensure the uniformity of the temperature of the front and rear ovens.

Description of drawings

Fig. 1 is a structural schematic diagram of the first embodiment of the overall structure of the utility model;

Fig. 2 is the structural representation of the heating device of the present utility model;

Fig. 3 is a structural schematic diagram of the second embodiment of the overall structure of the utility model;

In the figure: 1-stenter setting cloth feeding device, 2-drying device, 3-stenter setting cloth output device, 4-oven, 41-first oven, 42-fourth oven, 43-sixth oven, 44 -Eighth oven, 5-heating device, 6-air box, 61-first air box, 62-second air box, 7-air outlet, 8-exhauster fan, 81-first exhaust fan, 82-second exhaust fan, 9-Heat exchanger, 91-First heat exchanger, 92-Second heat exchanger, 10-Blower, 11-Circulation pipe, 12-Air inlet, 13-Wind wheel, 14-Heat exchange dryer, 15 -air nozzle, 16-air outlet duct.

detailed description

The specific embodiment of the utility model will be further described below in conjunction with accompanying drawing:

As shown in Figures 1 and 2, this solution provides a hot air stenter setting machine for fabric sizing waste heat recovery in Example 1, including a stenter setting cloth feeding device 1, a drying device 2, and a stenter setting cloth outlet connected in sequence Device 3, drying device 2 includes several tunnel ovens 4, a heating device 5 and an air box 6 arranged inside each oven 4, four ovens 4 form a group of 4 ovens, and four air outlets 7 are arranged above the 4 groups of ovens , the four air outlets 7 communicate with the exhaust fan 8 through the air outlet duct 16, the outlet duct of the exhaust fan 8 is connected with the heat exchanger 9, one side of the heat exchanger 9 communicates with the blower 10, and the other side passes through the circulation duct 11 It communicates with the air box 6, and any one of the 4 groups of ovens only forms a thermal circulation channel with the adjacent air box 6, and the two ends of the drying device 2 are provided with an air box 6.

As shown in Figure 3, the drying device 2 of the second embodiment provided by this program includes eight tunnel ovens 4, and the front and rear ends of the drying device 2 are respectively provided with a first wind box 61, a second wind box 62, and the first wind box 61 communicates with the first heat exchanger 91 arranged on the first exhaust fan 81 through the circulation pipeline 11, and the second wind box 62 communicates with the second heat exchanger 92 arranged on the second exhaust fan 82 through the circulation pipeline 11. A blower 10 is also arranged on the first heat exchanger 91 and the second heat exchanger 92 . This plan reforms the original equipment, adding half an air box 6 beside the front and rear ovens 4, respectively adding a set of air-gas heat exchanger 9 and a blower 10 on the original front and rear exhaust fans 8, and connecting the air box 6 and the air blower 10 through pipelines. The heat exchanger 9 is connected, which can effectively utilize waste heat and ensure the temperature uniformity of the front and rear ovens 4 at the same time.

As shown in Figures 1-3, four air outlets 7 are provided above the 4 groups of ovens in this solution, wherein each oven 4 is provided with an air outlet 7, or there is no air outlet 7 above the first oven 41 and the sixth oven 43. Air outlet 7. Each oven 4 of the first embodiment is provided with an air outlet 7, the first oven 41 and the sixth oven 43 of the second embodiment are not provided with an air outlet 7, and the exhaust fan 8 is arranged on the fourth oven 42 and the eighth oven 44 above.

The exhaust fan 8 and the blower 10 of this solution are connected through a circulating air pipe, and a decontamination device and an air filling device are arranged in the middle of the circulating air pipe. Provide a small amount of fresh air to equalize the air pressure in the thermal circulation tunnel.

The heating device 5 includes a wind wheel 13 arranged at the air inlet 12 in each oven 4, and a heat exchange dryer 14 arranged above the air inlet 12 in the oven 4, each oven 4 is provided with the tuyere 15 that communicates with the air outlet 7.

The sides of the heat exchange dryer 14 are in contact with the inner wall of the oven 4 .

In this scheme, four ovens 4 are formed into a group of 4 ovens, and each group of 4 ovens forms a thermal circulation channel with an adjacent air box 6. When two ovens are in 4 groups, two symmetrical circulation loops are formed. Internal convection is formed inside the device 2, and a small air pressure difference is formed at the bellows 6, which effectively isolates the cold air from the cloth inlet and outlet ends of the drying device 2, can effectively use waste heat, and ensure the temperature uniformity of the front and rear ovens 4 at the same time.

What described in above-mentioned embodiment and description just illustrates the principle of the utility model and the best embodiment, under the premise of not departing from the spirit and scope of the utility model, the utility model also can have various changes and improvements, these changes and improvements All fall within the scope of the utility model claimed.

Claims (6)

1. the hot blast framing shaping machine of a fabric sizing waste heat recovery, comprise the stentering forming connected successively and enter cloth apparatus, drying unit, stentering forming goes out cloth apparatus, drying unit comprises some tunnel like baking ovens, it is arranged on the heating unit of each oven interior, bellows, it is characterized in that: four baking ovens form an oven groups, it is provided with four above oven groups and goes out air port, four are gone out air port and are connected with vacuum fan by wind pipe, the air outlet tube of vacuum fan is connected with heat exchanger, the side of heat exchanger is connected with gas blower, another side is connected with bellows by circulating line, any one oven groups only and forms a thermal cycling passage between adjacent bellows, the two ends of drying unit are provided with bellows.

2. the hot blast framing shaping machine of fabric according to claim 1 sizing waste heat recovery, it is characterized in that: described drying unit comprises eight tunnel like baking ovens, the rear and front end of drying unit is respectively arranged with the first bellows, the 2nd bellows, first bellows are connected by circulating line with the first heat exchanger being arranged on the first vacuum fan, 2nd bellows are connected by circulating line with the two heat exchangers being arranged on the 2nd vacuum fan, and the first heat exchanger and two heat exchangers are also provided with gas blower.

3. the hot blast framing shaping machine of fabric according to claim 1 sizing waste heat recovery, it is characterized in that: be provided with four above described oven groups and go out air port, wherein each baking oven is provided with out air port, or is not provided with out air port above the first baking oven and the 6th baking oven.

4. the hot blast framing shaping machine of fabric according to claim 1 sizing waste heat recovery, it is characterized in that: described vacuum fan is connected by circulation airduct with gas blower, it is provided with decontamination apparatus and aerator in the middle of circulation airduct, decontamination apparatus is for eliminating the sewage after useless humidity condensed, and aerator is for providing a small amount of new air to balance the air pressure of thermal cycling passage.

5. the hot blast framing shaping machine of fabric according to claim 1 sizing waste heat recovery, it is characterized in that: described heating unit comprises the wind wheel of the blast inlet position being arranged in each described baking oven, and the heat exchange baker that the top being positioned at the blast inlet of baking oven is arranged, the tuyere being provided with in each described baking oven with going out air port and communicate.

6. the hot blast framing shaping machine of fabric according to claim 5 sizing waste heat recovery, it is characterised in that: the inwall of described heat exchange baker surrounding contacts side surfaces baking oven.