CN215808474U - Heating device and printing and dyeing heating device - Google Patents

Abstract

The application relates to the field of mechanical structures, in particular to a heating device and a printing and dyeing heating device. A heating device, the heating device comprising: the heat transfer head is internally provided with an accommodating cavity, at least one side wall of the accommodating cavity is a heat conducting plate, and one surface of the heat conducting plate, which is deviated from the accommodating cavity, is a heat supply surface; and the combustion part of the porous medium burner is positioned in the accommodating cavity. Heating device is in the use, the heat transfer that produces after a plurality of porous medium combustors burn to the gas that holds the intracavity, form the more even gaseous environment of temperature in holding the intracavity, then the higher gas of temperature exchanges heat with the heat-conducting plate again, the temperature that makes each position of heat-conducting plate approaches to the same, thereby it is less to make the heat supply face each point temperature difference that is located the heat-conducting plate, provide the working face that a temperature is even, this heating device can avoid leading to the not easily controlled problem because of the temperature is uneven when being used for printing and dyeing cloth.

Description

Heating device and printing and dyeing heating device

Technical Field

The application relates to the field of mechanical structures, in particular to a heating device and a printing and dyeing heating device.

Background

In the textile printing and dyeing process, the printing and dyeing fabric is often heated, so that the fixing speed of the dye on the fabric is accelerated, the production period is shortened, and the printing and dyeing process in the prior art adopts an electric heating wire, so that the heating is uneven, the temperature is not easy to control, and the fabric is easy to damage.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a heating device and a printing and dyeing heating device, which aims to provide a device for uniformly supplying heat to a heating surface and solve the problem of nonuniform temperature.

The present application provides a heating device, the heating device includes:

the heat transfer head is internally provided with an accommodating cavity, at least one side wall of the accommodating cavity is a heat conducting plate, and one surface of the heat conducting plate, which deviates from the accommodating cavity, is a heat supply surface; and

a porous medium burner, a combustion portion of the porous medium burner being located within the receiving cavity.

Heating device is in the use, the heat transfer that produces after the porous medium combustor burning is to the gas that holds the intracavity, form the more even gaseous environment of temperature in holding the intracavity, then the higher gas of temperature exchanges heat with the heat-conducting plate again, the temperature that makes each position of heat-conducting plate approaches to the same, thereby it is less to make the heat supply face each point temperature that is located the heat-conducting plate differ, provide the even working face of a temperature, this heating device can avoid leading to the problem of wayward because of the temperature is uneven when being used for printing and dyeing cloth.

In some embodiments of the present application, the heating device includes a plurality of porous medium burners, and combustion portions of the plurality of porous medium burners are distributed in the accommodating cavity at intervals; a plurality of said porous medium burner array arrangements.

In some embodiments of the present application, the heating device further comprises a flow divider having an inlet and a plurality of outlets, one outlet communicating with the inlet end of one of the porous media burners.

In some embodiments of the present application, the inlet of the flow splitter is oriented perpendicular to the outlet of the flow splitter.

In some embodiments of the present application, the inlet of the diverter is smaller in size than a cross-sectional dimension of the diverter.

In some embodiments of the present application, the heating device further comprises a mixed gas pipe for mixing the combustion gas and the combustion-supporting gas, the mixed gas pipe being in communication with the inlet of the flow divider.

In some embodiments of the present application, the porous medium burners are each configured with a gas distribution plate located upstream of the gas inlet end of the porous medium burner, and the gas distribution plate is a predetermined distance from the gas inlet end.

In some embodiments of the present application, the receiving chamber is provided with a plurality of flue gas outlets, each flue gas outlet faces away from the heating surface, and the plurality of flue gas outlets are distributed around the receiving chamber at intervals.

In some embodiments of the present application, the porous medium burner has an insulating layer disposed around the combustion portion.

In some embodiments of the present application, a temperature sensing element is mounted on the thermally conductive plate.

In some embodiments of the present application, a plurality of the porous medium burner arrays are arranged.

The application also provides a printing and dyeing heating device, and printing and dyeing heating device includes:

the printing and dyeing device comprises a printing and dyeing end, wherein an accommodating cavity is arranged in the printing and dyeing end, one side wall of the accommodating cavity is a heat-conducting plate, and one surface of the heat-conducting plate, which deviates from the accommodating cavity, is a printing and dyeing surface; and

the combustion parts of the porous medium burners are positioned in the accommodating cavity, and the combustion parts of the porous medium burners are arranged at intervals.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 shows a schematic cross-sectional view of a heating device provided by an embodiment of the present application;

FIG. 2 is a schematic structural diagram of the interior of a containing cavity provided by the embodiment of the application;

figure 3 illustrates a deployed view of a shunt provided by an embodiment of the present application.

Icon: 100-a heating device; 110-a heat transfer head; 111-a containment chamber; 112-a thermally conductive plate; 113-flue gas outlet; 120-a porous media burner; 121-an insulating layer; 122-gas distribution plate; 130-a shunt; 131-an inlet; 132-an outlet; 140-mixed gas tube.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present application, it is to be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, refer to the orientation or positional relationship as shown in the drawings, or as conventionally placed in use of the product of the application, or as conventionally understood by those skilled in the art, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be considered as limiting the present application.

Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may for example be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Examples

Fig. 1 is a schematic cross-sectional view of a heating device 100 provided in an embodiment of the present application, and referring to fig. 1, the embodiment provides a heating device 100, in the embodiment, the heating device 100 is mainly used for printing, and the present application describes that the heating device 100 is used for heating printed cloth as an example; it should be noted that, in other embodiments of the present application, the heating device 100 may be used for heating other objects, and the present application does not limit the use object of the heating device 100.

Referring to fig. 1, the present embodiment provides a heating apparatus 100, the heating apparatus 100 includes a heat transfer head 110 and a porous medium burner 120, fuel is burnt in the porous medium burner 120 to release heat, and then the heat is transferred to the heat transfer head 110, and then the cloth to be printed is heated.

In the present embodiment, the heat transfer head 110 is provided with an accommodating chamber 111, a combustion portion of the porous medium burner 120 extends into the accommodating chamber 111, the combustion portion of the porous medium burner 120 is combusted in the accommodating chamber 111, the heat transfer head 110 further includes a heat conductive plate 112, the heat conductive plate 112 is one side wall of the accommodating chamber 111; in other words, the heat conductive plate 112 constitutes one side wall of the accommodation chamber 111.

The combustion portion of the porous medium burner 120 combusts within the receiving cavity 111 and then releases heat, which is then transferred to the sidewall thermal conductive plate 112 of the receiving cavity 111.

The heat conducting plate 112 has a better heat conducting effect, for example, the material of the heat conducting plate 112 may be metal, alloy, etc.

In this embodiment, one surface of the heat conducting plate 112 away from the accommodating cavity 111 is a heat supplying surface, and the printing and dyeing cloth can be heated through the heat supplying surface.

In the present embodiment, the combustion portion of the porous medium burner 120 and the heat conductive plate 112 are respectively located at two opposite side walls of the accommodating chamber 111; the heat after the combustion of the porous medium burner 120 is transferred to the heat conductive plate 112 through the receiving chamber 111.

Fig. 2 shows a schematic structural diagram of the interior of the accommodating cavity 111 according to an embodiment of the present disclosure, please refer to fig. 2, in this embodiment, the heating apparatus 100 includes four porous medium burners 120, and the combustion portions of the four porous medium burners 120 all extend into the accommodating cavity 111. The combustion parts of the four porous medium burners 120 are arranged at intervals, and in this embodiment, the four combustion parts are distributed inside the accommodating cavity 111 in a matrix arrangement. Heating device 100 includes four combustion portions, has four burning positions, and at the in-process of porous medium combustor 120 burning, from four positions to holding chamber 111 heating, the temperature that makes in holding chamber 111 is more even, and further, heat transfer also can be more even after to heat-conducting plate 112, makes the heat supply face provide the even environment of a temperature.

It should be noted that in other embodiments of the present application, the heating apparatus 100 may include only one porous medium burner 120, two porous medium burners 120, or may include three, five, or more porous medium burners 120; the plurality of porous medium burners 120 are disposed at intervals, and the plurality of porous medium burners 120 may be distributed in a certain order or may be arranged in a disordered order. The heating device 100 may employ a plurality of low power porous medium burners 120 uniformly distributed to lower the temperature of the heat conducting plate 112 and ensure uniform temperature of the heat conducting plate 112.

The heat exchange is carried out between the combustion part of the porous medium burner 120 and the heat conducting plate 112 through the accommodating cavity 111; in the present embodiment, the ratio of the distance between the heat conducting plate 112 and the combustion part to the thickness of the heat conducting plate 112 is 7-10:1, and may be, for example, 9:1, 8:1, and so on. In other words, the ratio of the distance from the inner wall of the heat conductive plate 112 close to the accommodating chamber 111 to the combustion portion to the thickness of the heat conductive plate 112 in the thickness direction of the heat conductive plate 112 is 7-10: 1. Under the proportion, the heat can be made as uniform as possible in the accommodating cavity 111, the temperature of each point of the heat supply surface is relatively uniform, and meanwhile, the heat of the porous medium burner 120 can be quickly transferred to the heat conducting plate 112, so that the loss of the heat is reduced.

In this embodiment, only one surface of the accommodating cavity 111 is the heat conducting plate 112, and the heat supplying surface is located on the surface of the heat conducting plate 112 away from the accommodating cavity 111. The heat released by the porous medium burner 120 is transferred to the heat conducting plate 112 after heat exchange through the accommodating cavity 111, and then transferred to the heating surface for printing and dyeing.

Further, in order to detect the temperature on the heat supply surface, a temperature measuring element is mounted on the heat conducting plate 112, and the temperature measuring element is mainly used for detecting the temperature on the heat conducting plate 112. It should be noted that the temperature measuring element is set according to the requirement of whether temperature measurement is needed, and for the embodiment that does not need to detect the temperature on the heat conducting plate 112, the temperature measuring element may not be set.

In other embodiments of the present application, two or three sidewalls of the receiving cavity 111 may be heat conductive plates 112; in other words, the heat conductive plate 112 may constitute two or three side walls of the accommodation chamber 111. Taking the receiving cavity 111 as a square cavity as an example, the heat conducting plate 112 may be located on one side wall, two side walls or three side walls of the square cavity. In the use process, the heating can be carried out on three outer walls of the square cavity, and the use area is increased.

It should be noted that in other embodiments of the present application, the receiving cavity 111 may have other shapes, such as an oval shape, a hemispherical shape, and the like. Accordingly, the heat supply surface is not limited to a plane, and may be, for example, a curved surface, a circular arc surface, an elliptical surface, or the like, and the shape of the outer wall of the accommodating cavity 111 and the shape of the heat supply surface are not limited in the present application.

In the present embodiment, in order to improve the heat utilization efficiency, the side walls of the accommodating chamber 111 except the heat conducting plate 112 are made of a material with poor heat conductivity, such as insulating bricks; alternatively, in some other embodiments, the side walls of the receiving cavity 111 other than the thermally conductive plate 112 are provided with an insulating lining. The side walls of the accommodating cavity 111 except the heat conducting plate 112 are subjected to heat preservation treatment, so that heat can be transferred to the heat conducting plate 112 as much as possible, the heat utilization rate is increased, and energy is saved.

The receiving chamber 111 is provided with a flue gas outlet 113, the flue gas outlet 113 extending in a direction away from the heating surface. The flue gas outlet 113 is mainly used for discharging flue gas, the extending direction of the flue gas outlet 113 deviates from the heat supply surface, and the interference of the flue gas discharged from the flue gas outlet 113 to the printing and dyeing process can be avoided in the printing and dyeing process.

In this embodiment, the receiving chamber 111 is provided with four flue gas outlets 113, the four flue gas outlets 113 being arranged at intervals along the circumference of the receiving chamber 111. In the process that the gas leaves the accommodating cavity 111 from the flue gas outlet 113, the flowing state of the gas in the whole accommodating cavity 111 can be disturbed, and correspondingly, the temperature layout can also be disturbed, and the flue gas outlet 113 is arranged at the periphery of the accommodating cavity 111, so that the high-temperature flue gas can flow out in multiple directions, and the temperature of the gas in the accommodating cavity 111 is uniform.

In other embodiments of the present application, the flue gas outlet 113 may be provided with a corresponding smoke exhaust duct for exhausting the flue gas.

In this embodiment, porous medium combustor 120's combustion portion is provided with heat preservation 121 all around, and heat preservation 121 encloses and locates the combustion portion all around, and the combustion portion is at the in-process of burning, and heat transfer to holding chamber 111, and heat preservation 121 can avoid the heat of combustion portion release to holding outside the chamber 111 through the transmission all around of combustion portion, leads to calorific loss.

It should be noted that in other embodiments of the present application, the porous medium burner 120 may not have the insulating layer 121 around the combustion portion.

After the combustion part of the porous medium burner 120 is burnt, heat is transferred in the accommodating cavity 111, so that the temperature in the accommodating cavity 111 is uniform, and then the heat is transferred to the heat conducting plate 112, and the printing and dyeing cloth is heated by the heat conducting plate 112. Through the transmission of holding chamber 111 and heat-conducting plate 112, the heat supply face temperature that is located heat-conducting plate 112 is more even, and multiple spot temperature difference is less, at the printing and dyeing in-process, can avoid the higher problem of local temperature.

In the present embodiment, the air inlet end of the porous medium burner 120 is connected to the flow divider 130.

Fig. 3 illustrates a deployed view of the shunt 130 provided by embodiments of the present application. Referring to fig. 1 and fig. 3, in the present embodiment, the air inlet ends of the four porous medium burners 120 are all communicated with the flow divider 130, and the flow divider 130 outputs the mixture to each porous medium burner 120.

The flow divider 130 is provided with an inlet 131 and four outlets 132, one outlet 132 being in communication with the intake end of one porous medium burner 120. In the present embodiment, the shunt 130 has a square shape, and therefore, the expanded view thereof is shown in fig. 3, and it can be understood that, in the embodiment of the present application, the shunt 130 may have a spherical shape, a cylindrical shape, and the like, and the shape of the shunt 130 is not limited in the present embodiment.

The flow splitter 130 serves to uniformly distribute the gas entering each porous medium burner 120, and each outlet 132 is the same size.

In the present embodiment, the size of the inlet 131 of the flow divider 130 is smaller than the cross-sectional size of the flow divider 130, in other words, the cross-sectional area of the inside of the flow divider 130 is larger than the cross-sectional area of the inlet 131, and the gas entering the flow divider 130 from the inlet 131 has a buffering effect inside the flow divider 130 and is then output to each porous medium burner 120 through the outlet of the flow divider 130; the flow divider 130 has the effect of stabilizing the gas flow rate.

It should be noted that in other embodiments of the present application, the outlet 132 of the flow divider 130 may be arranged according to the number of the porous medium burners 120.

In the present embodiment, the outlets 132 are oriented perpendicular to the inlets 131, the gas entering the flow divider 130 is oriented perpendicular to the gas exiting the flow divider 130, and the gas is redirected inside the flow divider 130 to achieve a uniform velocity of the gas exiting each outlet 132.

The inlet 131 of the flow divider 130 is used for the mixture to enter, in this embodiment, the mixture includes air and combustible gas, and the mixture containing the air and the combustible gas is mixed outside the flow divider 130, then is input into the flow divider 130, and then is conveyed to the porous medium burner 120 for combustion.

In the present embodiment, in order to further optimize the uniformity of the gas entering the porous medium burner 120, a gas distribution plate 122 is provided upstream of the gas inlet end of the porous medium burner 120, and the main function of the gas distribution plate 122 is to make the gas entering the porous medium burner 120 more uniform. The gas distribution plate 122 has a predetermined distance from the air inlet end of the porous medium burner 120, and the predetermined distance may be set according to the size of the air inlet end, for example, the predetermined distance may be more than 3 times the diameter of the air inlet end.

Illustratively, the gas distribution plate 122 includes a plate body, a protrusion disposed on the plate body, and a side of the protrusion is provided with a hole for passing gas, and the gas passes through the plate body, passes through the hole on the side of the protrusion, and then enters the gas inlet end. The gas flow direction is changed for many times, so that the purpose of uniform gas distribution is achieved.

In other embodiments of the present application, the gas distribution plate 122 is not a necessary structure in the heating apparatus 100, and the heating apparatus 100 may not be provided with the gas distribution plate 122.

In some embodiments, the heating device 100 further comprises a mixed gas pipe 140 for mixing the combustion gas and the oxidant gas, the mixed gas pipe 140 communicating with the inlet 131 of the flow divider 130. The combustion gas and the combustion-supporting gas are uniformly mixed in the mixed gas pipe 140, then are shunted by the shunt 130, and finally enter the porous medium burner 120 for burning.

The heating device 100 provided by the embodiment of the application has at least the following advantages:

in the using process of the heating device 100, the heat generated after the porous medium burner 120 burns is transferred to the gas in the accommodating cavity 111, a gas environment with uniform temperature ratio is formed in the accommodating cavity 111, then the gas exchanges heat with the heat conducting plate 112 again, so that the temperature of each position of the heat conducting plate 112 is close or approximately the same, the temperature difference of each point of the heat supplying surface of the heat conducting plate 112 is smaller, a working surface with uniform temperature is provided, and the problem that the temperature is not easy to control due to uneven temperature can be avoided when the heating device is used for printing and dyeing cloth.

The present application further provides a printing and dyeing heating device, please refer to the above description about the heating device 100, in this embodiment, the heating surface in the heating device 100 is a printing and dyeing surface, and the printing and dyeing heating device is provided with the printing and dyeing surface, and the printing and dyeing surface is used for heating the printing and dyeing cloth in the printing and dyeing process.

As described above, the printing and heating apparatus according to the embodiment of the present invention has the advantages of the heating apparatus 100 described above, and the printing surface supplies heat at a uniform temperature.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. A heating device, characterized in that the heating device comprises:

the heat transfer head is internally provided with an accommodating cavity, at least one side wall of the accommodating cavity is a heat conducting plate, and one surface of the heat conducting plate, which deviates from the accommodating cavity, is a heat supply surface; and

a porous medium burner, a combustion portion of the porous medium burner being located within the receiving cavity.

2. The heating device of claim 1, wherein the heating device comprises a plurality of porous medium burners, and combustion parts of the plurality of porous medium burners are distributed in the accommodating cavity at intervals; a plurality of said porous medium burner array arrangements.

3. The heating device of claim 2, further comprising a flow divider having an inlet and a plurality of outlets, one outlet communicating with an inlet end of one of the porous media burners.

4. A heating device as claimed in claim 3, wherein the inlet of the diverter is oriented perpendicular to the outlet of the diverter.

5. A heating device as claimed in claim 3, wherein the inlet of the diverter has a smaller dimension than the cross-sectional dimension of the diverter.

6. The heating device according to claim 3, further comprising a mixed gas pipe for mixing combustion gas and combustion-supporting gas, an outlet of the mixed gas pipe being communicated with an inlet of the flow divider.

7. The heating device according to any one of claims 2 to 6, wherein each porous medium burner is provided with a gas distribution plate which is located upstream of an air inlet end of the porous medium burner with a predetermined distance therebetween.

8. A heating unit as claimed in any one of claims 1 to 6, wherein the housing chamber is provided with a plurality of flue gas outlets, each flue gas outlet facing away from the heating surface, and a plurality of flue gas outlets are spaced around the housing chamber.

9. The heating device according to any one of claims 1 to 6, wherein an insulating layer is provided around the combustion portion of the porous medium burner.

10. A printing and heating apparatus, characterized by comprising:

the printing and dyeing device comprises a printing and dyeing end, wherein an accommodating cavity is arranged in the printing and dyeing end, one side wall of the accommodating cavity is a heat-conducting plate, and one surface of the heat-conducting plate, which deviates from the accommodating cavity, is a printing and dyeing surface; and

the combustion parts of the porous medium burners are positioned in the accommodating cavity, and the combustion parts of the porous medium burners are arranged at intervals.

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