CN113186683B - Circulation heating device for dyeing instrument - Google Patents

Abstract

The invention relates to the technical field of dyeing, in particular to a circulating heating device for a dyeing instrument, which is characterized in that: the dyeing instrument comprises a shell, a heater and an air circulator, wherein a wind generating chamber and a heating chamber are arranged in the shell, an air inlet is arranged on the wind generating chamber, an air passing channel is arranged between the wind generating chamber and the heating chamber, a wind collecting and radiating chamber communicated with the heating chamber is arranged in the shell, a wind collecting and radiating opening is arranged in the wind collecting and radiating chamber, the heater is arranged in the heating chamber, the air circulator is used for sucking air in the heating chamber of the dyeing instrument from the air inlet and blowing the air into the heating chamber from the air passing channel for heating, and the air enters the wind collecting and radiating chamber for circulating flow and then is radiated outwards from the wind collecting and radiating opening. The invention has novel structure, greatly improves the range of radiating heat into the heating bin, can play a good transition role through the arrangement of the wind collecting and radiating chamber, and can stably radiate the heat into the heating bin as a stable heat source, thereby better ensuring the uniformity of the air temperature in the heating bin.

Description

Circulation heating device for dyeing instrument

Technical Field

The invention relates to the technical field of dyeing, in particular to a circulating heating device for a dyeing instrument.

Background

The dyeing instrument is the most widely used testing machine in the current dyeing, is generally used for high-temperature dyeing, can rapidly test small samples, and has the characteristics of being capable of being matched with mass production, being capable of independently taking and placing dyeing cups, being excellent in operability and the like. Traditional color tester is through filling conduction oil in the carousel, carries out high temperature dyeing for dyeing the cup through heating device heating conduction oil transfer heat, can be consumed by the evaporation when the conduction oil heats, and enterprise manufacturing cost is higher to conduction oil probably burns because of the high temperature, has the conflagration hidden danger.

To solve this problem, the invention patent with publication number CN207079378U provides a rack type air energy laboratory dyeing instrument. The invention provides a rack-type air energy laboratory dyeing instrument which comprises a box body and an air energy heating device arranged in the box body, wherein the air energy heating device is used for directly heating a dyeing cup. The existing air energy heating device comprises a fan, an air heater and an air duct, wherein the fan is arranged in an electric appliance cavity, one end of the air duct is an air inlet connected with the fan, the other end of the air duct is an air outlet extending into the heating cavity, and the air heater is arranged in the air duct. However, the air energy heating device is limited by the smaller air outlet, the air outlet range of the air heater in the heating cavity is affected, the temperature in the heating cavity reaches the preset temperature in a longer time, the uniformity of the temperature of the air in the heating cavity is affected, the temperature of the air blown out from the air outlet is greatly higher than that of the air in the heating cavity, the air with the higher temperature blown out from the air outlet directly enters the heating cavity and directly blows to the dyeing cup positioned at the lowest part of the rotating frame, and the local temperature of the dyeing cup is easily caused to be higher and the whole temperature is not uniform in the early-stage operation time of the dyeing instrument.

Disclosure of Invention

The circulating heating device for the dyeing instrument has the advantages that the structure is novel, the heat radiating range in the heating bin is greatly improved, meanwhile, the circulating heating device can play a good transitional role through the arrangement of the wind collecting and radiating chamber, and can be used as a stable heat source to stably radiate heat into the heating bin, and the uniformity of the air temperature in the heating bin is better ensured.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a circulation heating device for dyeing appearance, which comprises a housin, heater and air circulator, be equipped with in the casing and produce plenum and heating chamber, be equipped with the air intake on producing the plenum, be equipped with the air passage between plenum and the heating chamber, still be equipped with in the casing with the communicating collection wind heat dissipation room of heating chamber, collection wind heat dissipation room upwards opens and is formed with collection wind heat dissipation mouth, the heater is located in the heating chamber, air circulator locates in producing the plenum, air circulator is used for inhaling the air in this dyeing appearance heating chamber and blow in the heating chamber from the air intake and heat from the air passage, the hot-blast after the heating chamber heats gets into and gathers wind heat dissipation mouth and outwards gives off again after the circulation flow in the collection wind heat dissipation mouth.

Further, the air generating chamber and the heating chamber are both provided with cylindrical inner cavities, the air collecting and radiating chamber is provided with a square inner cavity, the air inlet is in a strip shape and extends along the axial direction of the air generating chamber, and the air passing channel is in a slit shape and is positioned between the air generating chamber and the bottom of the heating chamber.

Further, the volume of the wind collecting and radiating chamber is larger than that of the wind generating chamber, and the volume of the wind generating chamber is larger than that of the heating chamber.

Further, an air inlet adjusting mechanism is arranged at the air passage between the heating chamber and the air generating chamber and is used for adjusting the air inlet pressure of the air entering the air collecting and radiating chamber after passing through the heating chamber.

Further, the air inlet adjusting mechanism comprises an air inlet adjusting plate, an air inlet adjusting opening is formed in the air inlet adjusting plate, and the air inlet adjusting plate is detachably connected with the shell.

Further, the air inlet adjusting opening is close to the bottom surface of the heating chamber.

Further, the air inlet adjusting opening is in a strip shape and is transversely arranged.

Further, an air outlet adjusting mechanism is arranged at the air collecting and radiating opening and is used for adjusting the air outlet pressure of air leaving the air collecting and radiating chamber.

Further, the air outlet adjusting mechanism comprises an air outlet adjusting plate, at least one air outlet adjusting opening is formed in the air outlet adjusting plate, and the air outlet adjusting plate is detachably connected with the shell.

Further, the air outlet adjusting opening is in a strip shape, and the air outlet adjusting plate can cover the peripheral edges of the air collecting and radiating opening.

As can be seen from the above description, the circulation heating device for the dyeing instrument has novel overall structure, because the temperature of the air blown out from the heating chamber is greatly higher than the temperature of the air in the heating chamber, the air with higher temperature blown out from the heating chamber can not directly enter the heating chamber and directly blow at the lower end of the dyeing cup positioned at the lowest part of the rotating frame, the heated temperature at the lower end of the dyeing cup is prevented from being higher than the heated temperature at other positions of the dyeing cup, the problem that the local temperature of the dyeing cup is higher to cause the uneven overall temperature is effectively avoided, the air blown out from the heating chamber directly blows to the inner wall at one side opposite to the heating chamber after entering the air collecting and radiating chamber, And dispersing all around along the surface of the inner wall, and then part of air flows to one side of the heating chamber along other inner walls, so that circulating flow can be formed in the wind collecting and radiating chamber, the temperature of the air in the wind collecting and radiating chamber is increased, a stable heat source is formed in the wind collecting and radiating chamber, heat is continuously radiated into the heating chamber through the wind collecting and radiating opening, the temperature of the air in the heating chamber is increased, the air temperature in the wind collecting and radiating chamber is between the air temperature of the heating chamber and the air temperature of the heating chamber, the wind collecting and radiating chamber can play a better transitional role, thereby being beneficial to the uniformity of the air temperature in the heating chamber, and simultaneously being beneficial to reducing the difference between the heated temperature at the lower end of a dye cup positioned at the lowest part and the heated temperature at other positions of the dye cup, In the early running time of the dyeing instrument, the uniformity of the whole temperature on the dyeing cup is better ensured, in addition, the wind collecting heat dissipation chamber is opened upwards and is provided with a wind collecting heat dissipation opening, so that the size of the wind collecting heat dissipation opening is matched with that of the wind collecting heat dissipation chamber, the opening size of the wind collecting heat dissipation opening can be maximized, the area of the wind collecting heat dissipation opening is greatly increased, the outward radiating range of the heat in the wind collecting heat dissipation chamber is increased, the heat can be more quickly, fully and uniformly radiated into the heating bin, the temperature in the heating bin can be more quickly up to the preset temperature, the uniformity of the air temperature in the heating bin is ensured, the uniformity of the heated temperature of each dyeing cup is ensured, Finally, the temperature uniformity among all dyeing cups is facilitated; Through the arrangement of the air inlet adjusting plate, when the air in the air generating chamber enters the heating chamber through the air inlet adjusting opening, the air inlet pressure when the air enters the heating chamber can be greatly improved, the air inlet speed of the air can be improved, and meanwhile, the heated hot air can be enabled to be flushed from the heating chamber to the inner wall of one side of the air collecting and radiating chamber at a higher speed and be rapidly dispersed to the periphery along the surface of the inner wall, so that the better circulating flow of the hot air in the air collecting and radiating chamber is further facilitated, the stable heat source is further ensured to be formed in the air collecting and radiating chamber, and the heat is stably radiated outwards; through the arrangement of the air outlet adjusting plate, air in the air collecting and radiating chamber can enter the heating bin through the air outlet adjusting opening, so that the air outlet pressure when the air leaves the air collecting and radiating chamber is greatly improved, the air outlet speed of the air can be improved, heat emitted from the air collecting and radiating opening can be further favorably and rapidly and fully emitted to each position in the heating bin, the uniformity of the air temperature at each position in the heating bin is better ensured, the uniformity of the heated temperature of each dyeing cup is ensured, and the uniformity of the temperature among the dyeing cups is further facilitated; In addition, because the air inlet pressure of the air entering the heating chamber is increased, and the air outlet pressure of the air leaving the air collecting and radiating chamber is increased, the flow speed of the air is increased, so that the heat circulation speed in the heating bin is faster, the air temperature at each position in the heating bin is easy to be faster and uniform, and the preset temperature is reached faster.

Drawings

Fig. 1 is a schematic view of the circulation heating device for a dyeing apparatus according to the present invention when installed in the dyeing apparatus.

Fig. 2 is an enlarged partial schematic view at a in fig. 1.

Fig. 3 is a schematic perspective view of a housing in the first embodiment.

Fig. 4 is a schematic view showing an internal structure of a housing in the first embodiment.

Fig. 5 is a schematic perspective view of a heater.

Fig. 6 is a schematic perspective view of an air circulator.

Fig. 7 is a partially enlarged schematic view at B in fig. 6.

Fig. 8 is a partially enlarged schematic view at C in fig. 6.

Fig. 9 is a schematic perspective view of the air intake adjusting mechanism in the second embodiment when the air intake adjusting mechanism is mounted on the housing.

Fig. 10 is a schematic perspective view of an air intake adjusting plate.

Fig. 11 is a schematic perspective view of an air outlet adjusting structure in the third embodiment when the air outlet adjusting structure is mounted on the housing.

Fig. 12 is a schematic perspective view of an air outlet adjusting plate.

Fig. 13 is a schematic perspective view of the air inlet adjusting mechanism and the air outlet adjusting mechanism in the fourth embodiment when they are all mounted on the housing.

In the figure: 1-a housing; 11-producing air chambers; 111-an air inlet; 12-heating a chamber; 13-a wind passage; 14-a wind collecting and heat dissipating chamber; 141-an air collecting and heat dissipating port; 2-a heater; 21-left top cap; 22-right top cover; 23-heating rod; 24-supporting plates; 3-an air circulator; 31-a drive motor; 32-an air circulation drum; 321-end plates; 322-arc-shaped blades; 33-a connecting flange; 34-connecting shaft; 35-a bearing with a seat; 36-fixing plate; 41-an air inlet adjusting plate; 411-an air inlet adjusting port; 51-an air outlet adjusting plate; 511-an air outlet adjusting port; 6-dyeing instrument; 61-heating the bin; 62-rotating rack; 63-dyeing cup; 64-circulation heating device.

Detailed Description

The invention is further described below by means of specific embodiments.

Example 1

As shown in fig. 1 to 8, the circulation heating device for a dyeing instrument according to the present invention includes a housing 1, a heater 2 and an air circulator 3, wherein a wind generating chamber 11 and a heating chamber 12 are disposed in the housing 1, a wind inlet 111 is disposed on the wind generating chamber 11, a wind passing channel 13 is disposed between the wind generating chamber 11 and the heating chamber 12, a wind collecting and radiating chamber 14 communicated with the heating chamber 12 is further disposed in the housing 1, the wind collecting and radiating chamber 14 is opened upwards and is formed with a wind collecting and radiating port 141, the heater 2 is disposed in the heating chamber 12, the air circulator 3 is disposed in the wind generating chamber 11, the air circulator 3 is used for sucking air in the heating chamber 61 of the dyeing instrument 6 from the wind inlet 111, blowing the air into the heating chamber 12 from the wind passing channel 13, and radiating the heated wind from the heating chamber 12 into the wind collecting and radiating chamber 14 to circulate and then to radiate from the wind collecting and radiating port 141.

Because the temperature of the air blown out from the heating chamber 12 is greatly higher than that in the heating bin 61, the air blown out from the heating chamber 12 is directly blown into the heating bin 61 and directly blown to the lower end of the dyeing cup 63 positioned at the lowest part of the rotating frame 62 by the arrangement of the air collecting and radiating chamber 14, the heated temperature of the lower end of the dyeing cup 63 is prevented from being higher than that of other positions of the dyeing cup 63, the local temperature of the dyeing cup 63 is effectively prevented from being higher, the whole temperature is uneven, the air blown out from the heating chamber 12 is directly blown to the inner wall at one side opposite to the heating chamber 12 after entering the air collecting and radiating chamber 14 and is dispersed along the periphery of the inner wall surface, and part of the air after dispersion flows to the side of the heating chamber 12 along other inner walls, so that the circulating flow can be formed in the air collecting and radiating chamber 14, and the temperature of the air in the air collecting and radiating chamber 14 is raised, thereby forming a stable heat source in the air collecting and radiating chamber 14, and continuously radiating heat into the heating chamber 61 through the air collecting and radiating port 141, thereby raising the temperature of the air in the heating chamber 61, and at the moment, the temperature of the air in the air collecting and radiating chamber 14 is between the temperature of the air in the heating chamber 12 and the temperature of the air in the heating chamber 61, the air collecting and radiating chamber 14 can play a better transitional role, thereby being beneficial to the uniformity of the temperature of the air in the heating chamber 61, and simultaneously being beneficial to reducing the difference between the heated temperature at the lower end of the dye cup 63 positioned at the lowest and the heated temperature at other positions of the dye cup 63, thereby better ensuring the uniformity of the whole temperature on the dye cup 63 in the early running time of the dyeing instrument 6, the heat collecting and radiating chamber 14 is opened upwards and is provided with the heat collecting and radiating port 141, so that the size of the heat collecting and radiating port 141 is matched with the size of the heat collecting and radiating chamber 14, the opening size of the heat collecting and radiating port 141 can be maximized, the area of the heat collecting and radiating port 141 is greatly increased, the outward radiating range of heat in the heat collecting and radiating chamber 14 is increased, the heat can be radiated into the heating chamber 61 more quickly, fully and uniformly, the temperature in the heating chamber 61 can reach the preset temperature more quickly, the uniformity of the air temperature in the heating chamber 61 is ensured, the uniformity of the heated temperature of each dyeing cup 63 is ensured, the uniformity of the temperature among the dyeing cups 63 is finally facilitated, in addition, the heater 2 is arranged in the heating chamber 12, and as the heat collecting and radiating chamber 14 is directly communicated with the heating chamber 12, the heat can be radiated into the heating chamber 61 more quickly, the air can circulate in the heat collecting and radiating chamber 14 and the heat radiating chamber 12 at the same time, the air can circulate in the heating chamber 14 more stably, and the heat collecting and radiating chamber can be radiated into the heating chamber 14 more stably.

As shown in fig. 5, in addition, specifically, the heater 2 includes a left top cover 21, a right top cover 22 and a heating rod 23, where the left top cover 21 and the right top cover 22 are fixedly connected with the housing 1, the number of the heating rods 23 is multiple, two ends of the heating rod 23 are respectively connected to the left top cover 21 and the right top cover 22, and multiple air gaps are left between the heating rods 23, multiple supporting plates 24 are further arranged between the left top cover 21 and the right top cover 22, and multiple supporting holes through which the heating rods 23 can pass are formed in the supporting plates 24.

As shown in fig. 6 to 8, specifically, the air circulator 3 includes a driving motor 31 and an air circulation roller 32, the air circulation roller 32 is disposed in the air generating chamber 11, the air circulation roller 32 includes two end plates 321 and a plurality of arc blades 322, two ends of the plurality of arc blades are respectively inserted and fixed with the corresponding end plates 321 and surround to form a cylindrical shape, the driving motor 31 is disposed outside the air generating chamber 11 and fixedly connected with the housing 1, an output shaft end of the driving motor 31 is fixedly mounted with a connecting flange 33, the connecting flange 33 is fixedly connected with one of the end plates 321, a connecting shaft 34 is fixedly mounted on the other end plate 321, the connecting shaft 34 is rotatably disposed on a seat bearing 35, the seat bearing 35 is fixedly mounted on a fixing plate 36, the fixing plate 36 is fixedly mounted on the housing 1, by adopting this structure, the driving motor 31 is convenient to drive the air circulation roller 32 to rotate in the air generating chamber 11, and when the air circulation roller 32 rotates, the air circulation roller 32 can drive the heating chamber 61 to sequentially enter the air collecting chamber 12 to flow through the air cooling chamber 12 and then flow into the heating chamber 12 from the air chamber 13 through the air collecting chamber 13.

As shown in fig. 3 and 4, in particular, the air generating chamber 11 and the heating chamber 12 each have a cylindrical inner cavity, the air collecting and dissipating chamber 14 has a square inner cavity, the air inlet 111 has a strip shape and extends axially along the air generating chamber 11, and the air passing channel 13 has a slit shape and is located between the air generating chamber 11 and the bottom of the heating chamber 12.

As shown in fig. 3 and 4, the volume of the wind collecting and radiating chamber 14 is larger than the volume of the wind generating chamber 11, and the volume of the wind generating chamber 11 is larger than the volume of the heating chamber 12, by adopting this structure, since the volume of the wind collecting and radiating chamber 14 is set to be maximum, the wind collecting and radiating chamber 14 can accommodate more air, thereby effectively ensuring that the wind collecting and radiating chamber 14 plays a better transition role on the temperature of the air, and acts as a stable heat source to radiate heat into the heating chamber 61 in a larger range.

Example two

As shown in fig. 9 and 10, this embodiment differs from the first embodiment in that: on the basis of the first embodiment, an air inlet adjusting mechanism is arranged at the air passage 13 between the heating chamber 12 and the air generating chamber 11, the air inlet adjusting mechanism is used for adjusting the air inlet pressure of the air entering the air collecting and dissipating chamber 14 after passing through the heating chamber 12, the air inlet adjusting mechanism comprises an air inlet adjusting plate 41, an air inlet adjusting opening 42 is arranged on the air inlet adjusting plate 41, the air inlet adjusting plate 41 is detachably connected with the shell 1, through the arrangement of the air inlet adjusting plate 41, when the air in the air generating chamber 11 enters the heating chamber 12 through the air inlet adjusting opening 42, the air inlet pressure when the air enters the heating chamber 12 can be greatly improved, the air inlet speed can be improved, and meanwhile, the heated hot air can be enabled to be flushed from the heating chamber 12 to the inner wall of one side of the air collecting and dissipating chamber 14 at a faster speed, and disperse to all around along this inner wall surface fast, further do benefit to hot-blast better formation circulation flow in the collection wind heat dissipation room 14, further ensure form stable heat source in the collection wind heat dissipation room 14 to stabilize outwards dispel the heat, in addition, air inlet regulating plate 41 accessible buckle connection or bolted connection thereby realize with the detachable connection between the casing 1, can make in advance a plurality of air inlet regulating plates 41, the opening size of the air inlet regulating 42 on the plurality of air inlet regulating plates 41 is all inconsistent, can be convenient for change air inlet regulating plate 41, thereby change air inlet regulating 42's opening size, in order to adjust air in the product wind room 11 get into air inlet pressure and the air inlet speed in the heating chamber 12.

Preferably, the air inlet adjusting openings 42 are in a strip shape and are transversely arranged, so that when the air in the air generating chamber 11 enters the heating chamber 12 and can be more fully contacted with the heater 2 and heated, the air inlet adjusting openings 42 are close to the bottom surface of the heating chamber 12, and when the air in the air generating chamber 11 enters the heating chamber 12 from the air inlet adjusting openings 42, the air can sequentially flow to one side inner wall of the air collecting and radiating chamber 14 along the bottom surface of the heating chamber 12 and the bottom surface of the air collecting and radiating chamber 14 and be dispersed, and at the moment, a certain distance is reserved between the dispersed air and the air collecting and radiating openings 141, so that the formation of the air circulation flow in the air collecting and radiating chamber 14 is facilitated.

Other technical features are the same as those of the first embodiment.

Example III

As shown in fig. 11 and 12, this embodiment differs from the first embodiment in that: on the basis of the first embodiment, the air-collecting and heat-dissipating opening 141 is provided with an air-out adjusting mechanism, the air-out adjusting mechanism is used for adjusting the air to leave the air-out pressure of the air-collecting and heat-dissipating chamber 14, the air-out adjusting mechanism comprises an air-out adjusting plate 51, at least one air-out adjusting opening 511 is arranged on the air-out adjusting plate 51, the air-out adjusting plate 51 is connected with the shell 1 in a detachable mode, preferably, the number of the air-out adjusting openings 511 is two, through the arrangement of the air-out adjusting plate 51, the air in the air-collecting and heat-dissipating chamber 14 can pass through the air-out adjusting opening 511 to enter the heating chamber 61, so that the air-out pressure of the air in the air-collecting and heat-dissipating chamber 14 is greatly improved, the air-out speed of the air-collecting and heat-dissipating chamber can be simultaneously improved, the heat emitted from the air-collecting and heat-dissipating opening 141 can be rapidly and fully emitted to each position in the heating chamber 61, the uniformity of the air temperature of each position in the heating chamber 61 is better ensured, the air-out cup 63 is enabled to be heated uniformly, the final temperature of each dyeing cup 63 is enabled to be kept uniform, the air can be uniformly, the air can be prevented from being uniformly heated, the air can be further uniformly heated by the air can be prevented from being connected with the air-out adjusting plate 511 through the air-out adjusting plate 511, the air-out adjusting plate is connected with the air-out adjusting plate 51 in the air-collecting and the air-collecting chamber, the air-out chamber, the air can be conveniently and changed, and the air can be conveniently and easily changed.

The air outlet adjusting plate 51 can shade the peripheral edges of the air collecting and radiating openings 141, and by adopting the structure, the air flowing outwards at the peripheral edges of the air collecting and radiating openings 141 can be shaded to a certain extent, so that part of air cannot be directly blown out from the air collecting and radiating openings 141, but can circulate in the air collecting and radiating chamber 14 again, and the circulation flow of air in the air collecting and radiating chamber 14 is improved.

Other technical features are the same as those of the first embodiment.

Example IV

As shown in fig. 13, the present embodiment differs from the first embodiment in that: on the basis of the first embodiment, an air inlet adjusting mechanism is arranged at the air passage 13 between the heating chamber 12 and the air generating chamber 11, the air inlet adjusting mechanism is used for adjusting the air inlet pressure of the air entering the air collecting and radiating chamber 14 after passing through the heating chamber 12, an air outlet adjusting mechanism is arranged at the air collecting and radiating opening 141 and is used for adjusting the air outlet pressure of the air leaving the air collecting and radiating chamber 14, the arrangement of the air inlet adjusting mechanism is further beneficial to better form circulation flow of hot air in the air collecting and radiating chamber 14, the stable heat source is further ensured to be formed in the air collecting and radiating chamber 14, and the stable heat is radiated outwards, and the arrangement of the air outlet adjusting mechanism is further beneficial to the heat radiated from the air collecting and radiating opening 141 can be quickly and fully radiated to each position in the heating chamber 61, so that the uniformity of the air temperature of each position in the heating chamber 61 is better ensured, the uniformity of the temperature of each dyeing cup 63 is ensured, in addition, the air entering the heating chamber 12 is increased, the air inlet pressure is further increased, the air temperature of each dyeing cup 63 is also more uniformly heated, the temperature in the heating chamber is more quickly and the air is more quickly circulated, and the temperature of each position in the heating chamber 61 is more easily heated, and the temperature is more quickly and the air is more circulated in the heating chamber.

Other technical characteristics are the same as those of the first embodiment, in addition, the technical characteristics of the air inlet adjusting mechanism are the same as those of the second embodiment, and the technical characteristics of the air outlet adjusting mechanism are the same as those of the third embodiment.

The foregoing is merely a few specific embodiments of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modification of the present invention by using the concept should be construed as infringement of the protection scope of the present invention.

Claims (4)

1. A circulation heating device for dyeing instrument, its characterized in that: comprises a shell, a heater and an air circulator, wherein a wind generating chamber and a heating chamber are arranged in the shell, an air inlet is arranged on the wind generating chamber, an air passing channel is arranged between the wind generating chamber and the heating chamber, a wind collecting and radiating chamber communicated with the heating chamber is also arranged in the shell, the wind collecting and radiating chamber is opened upwards and is provided with a wind collecting and radiating opening, the heater is arranged in the heating chamber, the air circulator is arranged in the wind generating chamber, the air circulator is used for sucking air in the heating chamber of the dyeing instrument from the air inlet and blowing the air into the heating chamber from the air passing channel for heating, the heated air enters the wind collecting and radiating chamber for circulating flow and then is emitted outwards from the wind collecting and radiating opening, the wind generating chamber and the heating chamber are respectively provided with a cylindrical inner cavity, the wind collecting and radiating chamber is provided with a square inner cavity, the air inlet is in a strip shape and extends along the axial direction of the air generating chamber, the air passing channel is in a slit shape and is positioned between the air generating chamber and the bottom of the heating chamber, the volume of the air collecting and dissipating chamber is larger than that of the air generating chamber, the volume of the air generating chamber is larger than that of the heating chamber, an air inlet regulating mechanism is arranged at the air passing channel between the heating chamber and the air generating chamber and is used for regulating the air inlet pressure of air entering the air collecting and dissipating chamber after passing through the heating chamber, an air outlet regulating mechanism is arranged at the air collecting and dissipating opening and is used for regulating the air outlet pressure of air leaving the air collecting and dissipating chamber, the air outlet regulating mechanism comprises an air outlet regulating plate, at least one air outlet regulating opening is arranged on the air outlet regulating plate, and the air outlet regulating plate is detachably connected with the shell, the air outlet adjusting ports are bar-shaped, and the air outlet adjusting plates can shade the edges around the air collecting and radiating ports.

2. The circulation heating apparatus for a dyeing apparatus according to claim 1, wherein: the air inlet adjusting mechanism comprises an air inlet adjusting plate, an air inlet adjusting opening is formed in the air inlet adjusting plate, and the air inlet adjusting plate is detachably connected with the shell.

3. The circulation heating apparatus for a dyeing apparatus according to claim 2, wherein: the air inlet adjusting opening is close to the bottom surface of the heating chamber.

4. The circulation heating apparatus for a dyeing apparatus according to claim 2, wherein: the air inlet adjusting opening is in a strip shape and is transversely arranged.