CN220269812U - Gas type far infrared tea wrap machine - Google Patents

Abstract

The utility model discloses a gas type far infrared tea fixation machine, and belongs to the technical field of tea fixation machine processing. It mainly includes the frame, rotates in the frame to be connected with the cylinder, and the cylinder below is equipped with at least one far infrared combustor, and far infrared combustor includes the combustor body, combustor body upper end fixedly connected with burning board, has seted up a plurality of combustion holes on the burning board, and the burning board top is equipped with burning cloth, is equipped with the even aerofoil of horizontal setting and the air distribution board of vertical setting in the combustor body, and combustor body bottom is equipped with the air-supply line, and the air-supply line is connected with the second fan, is equipped with the gas import on the air-supply line, and the gas import is through gas pipe and gas air feed line connection. The utility model has reasonable structural design, the far infrared burner adopts an air and gas full-premixing mode, the heat efficiency is high, the temperature control is accurate, and the occurrence of deflagration is avoided by arranging the far infrared burner corresponding to the exhaust pipe.

Description

Gas type far infrared tea wrap machine

Technical Field

The utility model belongs to the technical field of tea fixation machine processing, and particularly relates to a gas type far infrared tea fixation machine.

Background

In the field of far infrared tea fixation machines, at present, ceramic is mainly used as a substrate of a combustor of a machine type at home and abroad, and far infrared generated by an electric heating effect is used for heating a roller of the fixation machine, or heating is carried out in the roller and at both ends of a feeding and discharging material, however, the volume of a far infrared heating part is larger, the weight is heavier, and a lot of troubles are brought to installation and use. The former indirectly heats the roller by heat radiation, the preheating time of the equipment is too long, the installation volume is too large, and the weight of the whole equipment is heavy; the latter is inconvenient to install, and is extremely easy to block tea raw materials, so that tea leaves fall untimely to cause the leaf fixation to be too heavy, and even the phenomenon of leaf pasting occurs. On the other hand, the temperature control of the far infrared fixation machine is inaccurate, and the fixation effect is poor, so the gas type far infrared fixation machine is a hot spot for research and development of tea machine enterprises at home and abroad.

The patent with the authorized bulletin number of CN204466794U discloses a tea gas far-infrared fixation machine, wherein a heat preservation cavity is arranged on the periphery of a cylinder body, a far-infrared heater is arranged at an opening at the bottom of the heat preservation cavity, a combustion medium surface and an ignition needle are arranged at the tail end of the far-infrared heater, a ratio-adjusting air inlet device is arranged at the front end of the far-infrared heater, an infrared temperature measuring probe is arranged at the bottom of the heat preservation cavity, a dehumidifying component is arranged at the tail part of a frame, and an air inlet fan for blowing air into the cylinder body is arranged at the middle upper part of a discharging hopper. The above-mentioned machine of completing has solved the inaccurate problem of accuse temperature of far infrared machine of completing, but still has following defect in use: 1. the design of the exhaust pipe is unreasonable, and deflagration is easy to occur; 2. the hot air exhausted by the exhaust pipe contains a large amount of heat, so that the heat is directly discharged, and the heat energy waste is serious; 3. the far infrared heater is arranged in the fixation machine, so that the maintenance is inconvenient, and the far infrared heater is easy to deform and collide with the roller due to long-time combustion at high temperature; 4. the conversion rate of the heat energy of the existing far infrared heater is low, so that the fixation cost is high.

Aiming at the technical problems, the application provides a solution.

Disclosure of Invention

The utility model aims to solve the technical problems that: the utility model provides a overcome the not enough of prior art, provides a gas formula far infrared tealeaves machine of completing, its structural design is reasonable, and the far infrared combustor adopts interior supporting structure, has avoided the problem of long-time high temperature operation yielding, and simultaneously, the far infrared combustor adopts air and gas full premix mode, and thermal efficiency is high, accuse temperature is accurate to correspond the setting with the blast pipe through the far infrared combustor, avoided the emergence of deflagration condition.

The gas type far infrared tea water-removing machine comprises a frame, a roller is rotationally connected to the frame, a shell is arranged on the outer side of the roller, at least one far infrared burner is arranged below the roller, an exhaust pipe corresponding to each far infrared burner is arranged above the roller, the far infrared burner comprises a burner body, a combustion plate is fixedly connected to the upper end of the burner body, a plurality of combustion holes are formed in the combustion plate, combustion cloth is arranged above the combustion plate, a transversely arranged air homogenizing plate and a longitudinally arranged air distribution plate are arranged in the burner body, an air inlet pipe is arranged at the bottom of the burner body and connected with a second fan, a gas inlet is formed in the air inlet pipe, and the gas inlet is connected with a gas supply pipeline through a gas pipe.

Preferably, the burner body is a rectangular box body, the upper end of the burner body in the width direction is of an upward protruding arc-shaped structure, the combustion plate is an upward protruding arc-shaped plate, and the vertical distance between the highest end of the combustion plate and the bottom of the roller is 11-18mm.

Preferably, the upper end of the burner body is provided with an outer edge which extends outwards, the outer edge is provided with a bolt hole and an ignition needle fixing hole, the ignition needle is arranged in the ignition needle fixing hole, and the burner body is fixedly connected with the shell through the bolt and the bolt hole.

Preferably, one side or two sides of the shell are respectively provided with a temperature measuring hole and an observation hole corresponding to the far infrared burner, and a detachable temperature sensor is arranged in the temperature measuring hole.

Preferably, the front end and the rear end of the shell are respectively connected with the roller in a sealing and rotating way through the sealing head assembly, the sealing head assembly comprises an inner sealing head plate and an outer sealing head plate, an air interlayer is arranged between the inner sealing head plate and the outer sealing head plate, the inner sealing head plate and the outer sealing head plate are respectively in clearance fit with the roller, asbestos layers are respectively filled in the inner sealing head plate and the outer sealing head plate, and the asbestos layers are in sealing and rotating connection with the roller.

Preferably, fixed rolling rings are fixedly connected to the outer walls at two ends of the roller respectively, a limit roller is rotationally connected to the front end of the frame, a wide roller is rotationally connected to the rear end of the frame, and the limit roller and the wide roller are matched with the two fixed rolling rings respectively.

Preferably, the outer wall of the exhaust pipe is provided with a heat exchanger in sealing connection, one end of the heat exchanger is connected with the first fan through an air supply pipe, the air supply pipe at the other end of the heat exchanger extends into the roller, and the tail end of the roller is provided with a gas collecting hood for dehumidification.

Preferably, a wind pressure switch for controlling the second fan to be started and closed is arranged on the second fan, an electromagnetic valve is arranged on the gas inlet, and the electromagnetic valve is matched with the wind pressure switch.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model has reasonable structural design, a plurality of far infrared burners are additionally arranged at the bottom of the roller, the far infrared burners radiate and heat the roller in a short distance in a convection way, the heat efficiency is higher, the temperature control is accurate, and the control of +/-5 ℃ can be realized; the far infrared burner is detachably connected, so that the structure is simple, the installation and the use are convenient, and the cost is low; meanwhile, the far infrared burner basically realizes micro-pressure and open combustion, and the use risk is greatly reduced.

2. The wind pressure switch is associated with the electromagnetic valve, after the wind pressure switch is opened, the electromagnetic valve can be opened, so that the wind pressure switch plays a role in safety protection, and the corresponding exhaust pipes are arranged above the far infrared burner, thereby achieving the purposes of tempering prevention and deflagration prevention.

3. The far infrared burner adopts an inner supporting structure, the inside of the burner body is supported once by the connecting rod and the air homogenizing plate, and the air distributing plate is supported twice, so that the problem that the inner wall of the burner body is deformed due to long-time running at high temperature is avoided, the rotary drum is prevented from rotating to collide with the burner body, and the service life of the whole machine is prolonged.

4. The air homogenizing plate is additionally arranged in the burner body, has a blocking effect, and enables the gas in the air inlet pipe to be changed in multiple and multi-angle conveying directions, so that the gas and the air are fully mixed, the full premixing mode enables the combustion to be more complete, NOx in tail gas is reduced to below 10ppm, CO is reduced to below 80ppm, and the exhaust gas is far lower than the national green environmental-protection exhaust emission standard (NOx is below 100ppm, CO is below 125 ppm), and is cleaner and environment-friendly; and secondly, the blocking effect of the air homogenizing plate ensures that the mixed gas is more uniform and the pressure is more stable, thereby achieving the purposes of stable heat supply and accurate temperature control.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of A-A of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the present utility model;

FIG. 4 is an enlarged view of a portion A of FIG. 1;

FIG. 5 is an enlarged view of a portion B of FIG. 1;

FIG. 6 is an enlarged view of a portion C of FIG. 3;

FIG. 7 is a schematic view of the external structure of the far infrared burner;

FIG. 8 is a schematic diagram of a split structure of a far infrared burner;

fig. 9 is a schematic top view of the burner body.

In the figure, 1, a rack; 2. a far infrared burner; 201. a burner body; 202. burning cloth; 203. bolt holes; 204. an ignition needle fixing hole; 205. an air inlet pipe; 206. a gas inlet; 207. a combustion plate; 208. a combustion hole; 209. a wind homogenizing plate; 210. a wind distribution plate; 211. a connecting rod; 212. an outer edge; 213. a gap; 214. a wind homogenizing hole; 3. limiting idler wheels; 4. a transmission mechanism; 5. a feed hopper; 6. fixing the rolling ring; 7. an air supply pipe; 8. a heat exchanger; 9. an exhaust pipe; 10. a roller; 11. a temperature measuring hole; 12. an observation hole; 13. a first fan; 14. a gas collecting hood; 15. a wide roller; 16. a gas pipe; 17. an electrical installation box; 18. a second fan; 19. a gas supply pipe; 20. a driving motor; 21. a heat preservation layer; 22. a housing; 23. an inner case; 24. an air interlayer; 25. a first sandwich plate; 26. a second sandwich plate; 27. a third sandwich plate; 28. an asbestos layer; 29. a sandwich plate IV; 30. an ignition needle.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

the directional terminology referred to in the paragraphs directed to the detailed description is merely for convenience of those skilled in the art in understanding the teachings presented herein in terms of the visual orientation illustrated in the drawings. Unless specifically defined and limited otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly so that one of ordinary skill in the art would understand the meaning of the terms in this disclosure as the case may be.

As shown in fig. 1, a gas type far infrared tea wrap machine comprises a frame 1, a roller 10 is rotationally connected to the frame 1, specifically, fixed rolling rings 6 are fixedly connected to the outer walls of two ends of the roller 10 respectively, as shown in fig. 4 and 5, limit rollers 3 are rotationally connected to two sides of the front end of the frame 1 respectively, wide rollers 15 are rotationally connected to two sides of the rear end of the frame 1 respectively, the limit rollers 3 and the wide rollers 15 are matched with the two fixed rolling rings 6 respectively, any limit roller 3 is connected with a driving motor 20 through a transmission mechanism 4, the transmission mechanism 4 can be a belt pulley transmission mechanism or a chain wheel transmission mechanism, the driving motor 20 drives the transmission mechanism 4 to rotate, and the transmission mechanism 4 drives the limit rollers 3 to rotate through belt pulleys or chain wheels, and the limit rollers 3 drive the roller 10 to rotate through friction force. Wherein, fixed circle 6 card of cylinder 10 front end is in the recess of spacing gyro wheel 3 to play spacing effect, cylinder 10 is heated and can take place slight expansion deformation when completing, and the wide gyro wheel 15 of cylinder 10 rear end provides certain space for cylinder 10 deformation, avoids fixed circle 6 to take place the dislocation with the gyro wheel at rear.

As shown in fig. 1 to 3, a shell is arranged on the outer side of a roller 10, the bottom of the shell is supported and fixed by a frame 1, a plurality of far infrared burners 2 are arranged below the roller 10, the distance between every two adjacent far infrared burners 2 is 15-25cm, an exhaust pipe 9 corresponding to each far infrared burner 2 is arranged above the roller 10, the upper end of the exhaust pipe 9 extends out of the shell, the bottom of the exhaust pipe 9 penetrates through the upper part of the shell, and the upper end of each far infrared burner 2 is respectively provided with the exhaust pipe 9, so that the occurrence of deflagration can be effectively avoided.

As shown in fig. 7 to 9, the far infrared burner 2 comprises a burner body 201, the burner body 201 is a rectangular box body, the upper end of the width direction of the burner body 201 is of an upward protruding arc structure, the upper end of the burner body 201 is fixedly connected with a combustion plate 207, the combustion plate 207 is matched with the burner body 201, the combustion plate 207 is of an upward protruding arc plate structure, a plurality of combustion holes 208 are formed in the combustion plate 207, a combustion cloth 202 is arranged above the combustion plate 207, the combustion cloth 202 is made of metal combustion cloth woven by ferrochrome aluminum metal fiber wires, the periphery of the combustion cloth 202 is fixedly connected with the burner body 201 through a roll welding process, a transversely arranged air distribution plate 209 and a plurality of longitudinally arranged air distribution plates 210 are arranged in the burner body 201, the air distribution plates 210 are arranged above the air distribution plates 209, the periphery of the air distribution plates 209 are parallel to the bottom of the burner body 201, gaps 213 are respectively arranged between the periphery of the air distribution plates 209 and the inner wall of the burner body 201, the air distribution plates 209 are fixedly connected with the burner body 201 through connecting rods, a plurality of air distribution holes 214 are formed in the air distribution plates 209, the bottom of the burner body 205 is provided with a plurality of air inlet pipes 205, the air inlet pipes 205 are provided with air inlets and air inlets 206 are respectively, the air inlets are respectively connected with the air inlets 206, the air inlets of the air inlet pipes 206 are respectively, the air inlets are connected with the air inlet pipes 206, and the air inlets are respectively, and the air are connected with the air inlet pipes and the air through air, and the air is respectively; the second fan 18 is provided with a wind pressure switch for controlling the second fan 18 to be started and closed, the wind pressure switch is associated with the electromagnetic valve, and the electromagnetic valve can be started only after the wind pressure switch is started, so that the wind pressure switch plays a role in safety protection.

When the burner is used, the air inflow of fuel gas is regulated through the electromagnetic valve, so that a proper mixing proportion of air and fuel gas is provided, the air and fuel gas are primarily mixed in the air inlet pipe 205, the air and fuel gas in the air inlet pipe 205 are blocked by the air distribution plate 209, the air and fuel gas are changed in multiple and multi-angle conveying directions, so that the air and the fuel gas are fully mixed again, the air and the fuel gas are fully premixed before being combusted, the mixed gas is changed into mixed gas, the mixed gas enters the area where the air distribution plate 210 is located through a gap 213 between the air distribution plate 209 and the burner body 201 and air distribution holes 214 in the middle of the air distribution plate 209, the upper part of the burner body 201 is uniformly divided into a plurality of air outlet areas by the air distribution plate 210, and finally the mixed gas is uniformly discharged through the combustion holes 208.

The upper end of the burner body 201 is provided with an outer edge 212 which extends outwards, the outer edge 212 is provided with a bolt hole 203 and an ignition needle fixing hole 204, an ignition needle 30 is arranged in the ignition needle fixing hole 204, the burner body 201 is fixedly connected with the shell through the bolt and the bolt hole 203, and the installation mode is convenient for the far infrared burner 2 to be assembled and disassembled from the bottom of the machine, and is convenient for installation and maintenance and daily maintenance. After installation, the vertical distance between the highest end of the combustion plate 207 and the bottom of the drum 10 is controlled to 11-18mm, preferably 15mm, which is the optimal radiation distance of the far infrared burner 2. After ignition by the ignition needle 30, the mixture is fully combusted without open flame on the combustion cloth 202.

As shown in fig. 1, two sides of the shell are respectively provided with a temperature measuring hole 11 and an observation hole 12 corresponding to the far infrared burner 2, the diameter of the temperature measuring hole 11 is controlled to be about 10mm, a detachable temperature sensor is inserted into the temperature measuring hole 11, and the temperature of the roller 10 can be monitored by the temperature sensor in real time, so that the optimal fixation temperature is ensured; the diameter of the observation hole 12 is about 50mm, and the smaller the included angle between the observation hole 12 and the ground is, the better the included angle is, so that heat dissipation is avoided, the combustion condition of the combustion cloth 202 can be observed in real time through the observation hole 12, and then the air inlet of the second fan 18 is manually adjusted in a fine adjustment mode, so that the combustion cloth 202 has no open flame or only light blue tiny flame on the surface, and the combustion cloth 202 can generate high temperature of about 1050 ℃ to emit dark red light.

As shown in fig. 2 and 3, the shell comprises an outer shell 22, an inner shell 23 is arranged in the outer shell 22, a heat insulation layer 21 is filled between the inner shell 23 and the outer shell 22, the front end and the rear end of the shell are respectively connected with the roller 10 in a sealing and rotating way through a seal head assembly, as shown in fig. 6, the seal head assembly comprises an inner seal head plate and an outer seal head plate which are respectively in clearance fit with the roller 10, an air interlayer 24 is arranged between the inner seal head plate and the outer seal head plate, and the air interlayer 24 has the functions of heat insulation and heat loss prevention; the inner end enclosure plate and the outer end enclosure plate are respectively filled with an asbestos layer 28, the asbestos layer 28 is in sealing and rotating connection with the roller 10, and smoke leakage generated by the combustion of the far infrared burner 2 can be prevented through the asbestos layer 28. During manufacturing, the first sandwich plate 25 and the second sandwich plate 26 form an inner sealing plate, the first sandwich plate 25 is welded with the outer shell 22 and the inner shell 23 respectively, the third sandwich plate 27 and the fourth sandwich plate 29 form an outer sealing plate, and gaps are formed among the first sandwich plate 25, the second sandwich plate 26, the third sandwich plate 27 and the fourth sandwich plate 29 and the roller 10 in order not to prevent the roller 10 from rotating, and the second sandwich plate 26, the third sandwich plate 27 and the fourth sandwich plate 29 are welded with the outer shell 22 respectively.

As shown in fig. 1, the outer wall of each exhaust pipe 9 is provided with a heat exchanger 8 in sealing connection, a plurality of heat exchangers 8 are connected in series, one end of each heat exchanger 8 after being connected in series is connected with a first fan 13 through an air supply pipe 7, the air supply pipe 7 at the other end extends into a roller 10, the heat exchangers 8 are in the prior art, the first fan 13 conveys clean air into the heat exchangers 8 through the air supply pipes 7, after heat exchange is carried out between the heat exchangers 8 and the exhaust pipes 9, the clean air enters the roller 10 to assist tea fixation, and part of waste heat of the exhaust pipes 9 is recovered to achieve the energy-saving effect; the tail end of the roller 10 is provided with a gas-collecting hood 14 for dehumidification, the gas-collecting hood 14 is connected with a draught fan, and the gas-collecting hood 14 is convenient for timely removing damp and hot steam.

In the processing of the utility model, each far infrared burner 2 is provided with an electric installation box 17, a driving motor 20, a first fan 13 and a second fan 18 are respectively connected with a controller in the electric installation box 17, a temperature controller is also arranged in the electric installation box 17, and a temperature sensor, a wind pressure switch and an ignition switch on an ignition needle 30 are all connected with the temperature controller.

During operation, the final fixation temperature is set in advance through the temperature controller. The tea leaves to be deactivated are fed into the roller 10 through the feeding hopper 5, the driving motor 20 is started through the controller, the driving motor 20 drives the roller 10 to rotate through the transmission mechanism 4, the wind pressure switch is started, the second fan 18 starts to work, the ignition switch can be pressed under the condition that the wind pressure switch is opened, the ignition controller is electrified at the moment, the ignition needle 30 and the electromagnetic valve controlling air inlet on the gas inlet 206 synchronously work, after successful ignition, the ignition needle 30 stops working, and the electromagnetic valve continues to be electrified.

At this time, air enters the air inlet pipe 205, the air and the fuel gas are primarily mixed in the air inlet pipe 205, the blocking effect of the air homogenizing plate 209 is utilized, the change of multiple and multi-angle conveying directions occurs, and thus the air mixture is fully mixed again, the mixed air is formed, in the process, the blocking effect of the air homogenizing plate 9 enables the mixed air to be more uniform and stable in pressure, finally, after the mixed air is uniformly distributed through the air distributing plate 10, the mixed air is ignited through the ignition needle 30, the mixed air is completely combusted on the surface of the combustion cloth 202, the air inlet amount of the second fan 18 is manually adjusted, so that no open flame is generated on the surface of the combustion cloth 202 or only light blue fine flame is generated, the combustion cloth 202 can generate high temperature of about 1050 ℃, finally, the combustion cloth 202 emits dark red light, the energy is radiated and released in an infrared radiation manner, the wavelength range reaches 1.9-15 um, the infrared radiation is directly radiated to the drum 10, the drum 10 is heated, the green removing operation is performed on tea leaves, high-temperature waste gas generated by the combustion of the far infrared burner 2 is discharged through the exhaust pipe 9, in the process, the first fan 13 is started, the first fan 13 is used for completely combusting the air, the clean air is conveyed into the heat exchanger 7 through the exhaust pipe 9 for heat exchange, the heat exchange is directly carried out by the exhaust pipe 9, the heat exchange is directly and the heat is directly absorbed by the drum 10, and the waste heat is directly and the heat is collected by the drum after the heat is directly absorbed by the drum.

In the utility model, if the ignition is unsuccessful, the alarm indicator lamp on the far infrared burner 2 is electrified to work, and the ignition needle 30 and the electromagnetic valve are both stopped to be electrified, so that the utility model is safer and more reliable.

Finally, although the description has been described in terms of embodiments, not every embodiment is intended to include only a single embodiment, and such description is for clarity only, as one skilled in the art will recognize that the embodiments of the disclosure may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (8)

1. The utility model provides a gas formula far infrared tealeaves green removing machine, includes frame (1), rotates on frame (1) and is connected with cylinder (10), and the outside of cylinder (10) is equipped with casing, its characterized in that: the utility model discloses a cylinder, including cylinder (10) and cylinder (10), cylinder (10) below is equipped with at least one far infrared combustor (2), cylinder (10) top be equipped with blast pipe (9) corresponding with every far infrared combustor (2), far infrared combustor (2) are including combustor body (201), combustor body (201) upper end fixedly connected with burning board (207), a plurality of combustion holes (208) have been seted up on burning board (207), burning board (207) top is equipped with burning cloth (202), be equipped with in combustor body (201) air distribution board (209) and the vertical air distribution board (210) that set up of horizontal setting, combustor body (201) bottom is equipped with air-supply line (205), air-supply line (205) are connected with second fan (18), be equipped with gas import (206) on air-supply line (205), gas import (206) are connected with gas air feed pipe (19) through gas pipe (16).

2. The gas-fired far infrared tea wrap machine of claim 1, wherein: the burner is characterized in that the burner body (201) is a rectangular box body, the upper end of the burner body (201) in the width direction is of an upward protruding arc-shaped structure, the combustion plate (207) is of an upward protruding arc-shaped plate, and the vertical distance between the highest end of the combustion plate (207) and the bottom of the roller (10) is 11-18mm.

3. The gas-fired far infrared tea wrap machine of claim 2, wherein: the burner is characterized in that an outer edge (212) extending outwards is arranged at the upper end of the burner body (201), a bolt hole (203) and an ignition needle fixing hole (204) are formed in the outer edge (212), an ignition needle (30) is arranged in the ignition needle fixing hole (204), and the burner body (201) is fixedly connected with the shell through the bolt and the bolt hole (203).

4. The gas-fired far infrared tea wrap machine of claim 1, wherein: one side or two sides of the shell are respectively provided with a temperature measuring hole (11) and an observation hole (12) corresponding to the far infrared burner (2), and a detachable temperature sensor is arranged in the temperature measuring hole (11).

5. The gas-fired far infrared tea wrap machine of claim 1, wherein: the front end and the rear end of the shell are respectively connected with the roller (10) in a sealing and rotating mode through the sealing head assembly, the sealing head assembly comprises an inner sealing head plate and an outer sealing head plate, an air interlayer (24) is arranged between the inner sealing head plate and the outer sealing head plate, the inner sealing head plate and the outer sealing head plate are respectively in clearance fit with the roller (10), asbestos layers (28) are respectively filled in the inner sealing head plate and the outer sealing head plate, and the asbestos layers (28) are connected with the roller (10) in a sealing and rotating mode.

6. The gas-fired far infrared tea wrap machine of claim 1, wherein: fixed rolling rings (6) are fixedly connected to the outer walls of the two ends of the roller (10), a limit roller (3) is rotatably connected to the front end of the frame (1), a wide roller (15) is rotatably connected to the rear end of the frame (1), and the limit roller (3) and the wide roller (15) are respectively matched with the two fixed rolling rings (6).

7. A gas-fired far infrared tea leaf fixation machine according to any one of claims 1 to 6, characterized in that: the outer wall of blast pipe (9) is equipped with sealing connection's heat exchanger (8), and heat exchanger (8) one end is connected with first fan (13) through blast pipe (7), and in blast pipe (7) of heat exchanger (8) other end stretched into cylinder (10), cylinder (10) end was equipped with gas collecting channel (14) that are used for the dehumidification.

8. The gas-fired far-infrared tea wrap machine of claim 7, wherein: the second fan (18) is provided with a wind pressure switch for controlling the second fan (18) to be started and closed, the gas inlet (206) is provided with an electromagnetic valve, and the electromagnetic valve is matched with the wind pressure switch.