CN215295841U

CN215295841U - Annular cooling device for furnace mouth

Info

Publication number: CN215295841U
Application number: CN202121603435.7U
Authority: CN
Inventors: 梁浩; 龙辉; 梁宇; 赵志然; 吴得轶
Original assignee: Hunan Red Sun Photoelectricity Science and Technology Co Ltd
Current assignee: Hunan Red Sun Photoelectricity Science and Technology Co Ltd
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2021-12-24
Anticipated expiration: 2031-07-14

Abstract

The utility model discloses a fire door annular cooling device, including annular cavity, annular cavity includes surface, internal surface and two side surfaces, and the relative internal surface of side surface outwards extends and forms the extension, encloses into first layer annular channel between surface, internal surface and two side surfaces, forms second floor annular channel between the extension of both sides and the internal surface, is equipped with air inlet and gas outlet on the surface, air inlet and gas outlet mutual disposition, first layer annular channel form inlet channel in one side of air inlet, form outlet channel in one side of gas outlet, and inlet channel's both ends and outlet channel's both ends do not communicate, and the internal surface in inlet channel is equipped with a plurality of inlet ports, and the internal surface in outlet channel is equipped with a plurality of ventholes. The utility model discloses utilize high-speed air to flow through annular cavity, carry out strong annular forced air cooling to quartzy mouth of pipe surface, take away the thermal mode of fire door and realize the cooling, have low energy consumption, simple structure, easy dismouting is maintained.

Description

Annular cooling device for furnace mouth

Technical Field

The utility model relates to a solar wafer production facility especially relates to a fire door annular cooling device.

Background

The temperature of the furnace mouth of the annealing furnace and the diffusion furnace of the current industrial equipment is generally higher, which puts a high requirement on how to keep good sealing of the furnace mouth for a long time at high temperature. When the furnace door sealing device of the furnace opening is designed, compact heat insulation cotton is generally plugged into the inner quartz furnace door, or the length of the inner quartz furnace door extending into the quartz tube is increased to reduce the temperature of the furnace opening sealing part during working, so that the service life of a sealing element is prolonged. However, the methods have certain limitation on the cooling effect of the furnace opening, the weight of the whole furnace door sealing device is inevitably increased and the closing stroke of the furnace door is inevitably increased by plugging cotton and increasing the length of the inner quartz furnace door, higher requirements on the total length and the size of a furnace door bearing mechanism and equipment are inevitably met, and higher equipment production cost and larger occupied space of a factory building are generated.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is overcome prior art not enough, provide one kind and utilize high-speed air to flow through annular cavity, carry out strong annular forced air cooling to quartzy mouth of pipe surface to strong annular wind takes away the thermal mode of fire door and realizes the cooling, has low energy consumption, simple structure, the fire door annular cooling device that easy dismouting was maintained.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the annular cooling device comprises an annular cavity body, wherein the annular cavity body comprises an outer surface, an inner surface and two side surfaces, the inner surface opposite to the side surfaces extends outwards to form an extending part, a first layer of annular channel is formed by the outer surface, the inner surface and the two side surfaces in a surrounding mode, a second layer of annular channel is formed between the extending part and the inner surface at two sides, an air inlet and an air outlet are formed in the outer surface, the air inlet and the air outlet are arranged oppositely, an air inlet channel is formed in one side of the air inlet through the first layer of annular channel, an air outlet channel is formed in one side of the air outlet, two ends of the air inlet channel are not communicated with two ends of the air outlet channel, a plurality of air inlet holes are formed in the inner surface of the air inlet channel, and a plurality of air outlet holes are formed in the inner surface of the air outlet channel.

As a further improvement of the technical scheme, the air inlet channel and the air outlet channel are two half-and-half arc channels, air inlet holes are uniformly distributed on the inner surface of the air inlet channel, and air outlet holes are only arranged on the part, corresponding to the air outlet, of the inner surface of the air outlet channel.

As a further improvement of the above technical scheme, the annular cavity is formed by splicing two semicircular arc-shaped cavities, one of the two semicircular arc-shaped cavities is an air inlet circular arc-shaped cavity, the other circular arc-shaped cavity is an air outlet circular arc-shaped cavity, the air inlet circular arc-shaped cavity is connected with end plates with sealed air inlet channels at two ends, and the air outlet circular arc-shaped cavity is provided with end plates with sealed air outlet channels at two ends.

As a further improvement of the above technical solution, the furnace mouth annular cooling device further comprises a movable sealing plate with an adjustable diameter, the movable sealing plate is formed by splicing at least two arc sealing plates, and the movable sealing plate is installed on one side surface.

As a further improvement of the technical scheme, the furnace mouth annular cooling device further comprises two movable sealing plates with adjustable diameters, the movable sealing plates are formed by splicing at least two arc sealing plates, and each movable sealing plate is installed on each side surface.

As a further improvement of the technical scheme, a square air outlet cavity is arranged at the air outlet, and a square connecting flange is arranged at the outlet of the square air outlet cavity.

As a further improvement of the technical scheme, the annular cooling device at the furnace mouth further comprises a butt flange assembly, the butt flange assembly comprises an inner side square flange, a square cavity and an outer side direction flange, the inner side square flange is connected with a square connecting flange, and the square cavity is communicated with a square air outlet cavity.

As a further improvement of the above technical solution, the furnace mouth annular cooling device further includes a fixing support, the fixing support includes a first U-shaped plate and a second U-shaped plate, the second U-shaped plate includes a U-shaped portion and bending connecting portions disposed at both ends of the U-shaped portion, the second U-shaped plate is fixed at a side portion of the first U-shaped plate through the bending connecting portions at both ends, the air inlet is provided with an air inlet joint, and the U-shaped portion is sleeved on the air inlet joint.

As a further improvement of the technical scheme, a waist-shaped hole is formed in the side part of the other side of the first U-shaped plate.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses a fire door annular cooling device installs at quartz capsule fire door surface, and mainly used fire door cooling utilizes high-speed air to flow through annular cavity, carries out strong annular forced air cooling to quartz orifice of pipe surface to strong annular wind takes away the thermal mode of fire door and realizes the cooling. The device adopts the clean blower system of equipment self-bring to produce high-speed air current, has low energy consumption, simple structure, easy dismouting maintenance's advantage.

Drawings

Fig. 1 is a schematic perspective view of the annular cooling device for the furnace mouth of the present invention.

Fig. 2 is a schematic end view of the annular cooling device of the furnace mouth of the present invention.

Fig. 3 is a schematic structural view of the circular arc-shaped air inlet cavity of the present invention.

Fig. 4 is a schematic structural view of the arc-shaped cavity for ventilation in the present invention.

Fig. 5 is an enlarged view at E in fig. 1.

Fig. 6 is a schematic structural diagram of the first U-shaped plate of the present invention.

Fig. 7 is a schematic structural view of a second U-shaped plate according to the present invention.

Fig. 8 is a schematic structural diagram of a docking flange assembly according to the present invention.

Fig. 9 is a schematic structural view of the middle arc sealing plate of the present invention.

The reference numerals in the figures denote:

1. an annular cavity; 11. an outer surface; 12. an inner surface; 13. a side surface; 14. an extension portion; 15. an air inlet arc-shaped cavity; 16. an air outlet arc-shaped cavity; 17. an end plate; 2. a first layer of annular channels; 21. an air intake passage; 22. an air outlet channel; 3. a second layer of annular channels; 4. an air inlet; 41. an air inlet joint; 5. an air outlet; 51. a square air outlet cavity; 52. a square connecting flange; 61. an air inlet; 62. an air outlet; 7. a movable closing plate; 71. an arc closing plate; 8. a docking flange assembly; 81. an inner square flange; 82. a square cavity; 83. an outer directional flange; 9. fixing a bracket; 91. a first U-shaped plate; 911. a kidney-shaped hole; 92. a second U-shaped plate; 921. a U-shaped portion; 922. bending the connecting part; 10. a quartz tube.

Detailed Description

The invention is described in further detail below with reference to the drawings and specific examples.

Example 1

As shown in fig. 1, the annular cooling device for the furnace mouth of the present embodiment includes an annular cavity 1, the annular cavity 1 includes an outer surface 11, an inner surface 12 and two side surfaces 13, the side surfaces 13 extend outward relative to the inner surface 12 to form extensions 14, a first layer of annular channel 2 is defined between the outer surface 11, the inner surface 12 and the two side surfaces 13, a second layer of annular channel 3 is defined between the extensions 14 on both sides and the inner surface 12, and one side of the second layer of annular channel 3 is open. The outer surface 11 is provided with an air inlet 4 and an air outlet 5, the air inlet 4 and the air outlet 5 are oppositely arranged, the first layer of annular channel 2 forms an air inlet channel 21 at one side of the air inlet 4 and an air outlet channel 22 at one side of the air outlet 5, two ends of the air inlet channel 21 are not communicated with two ends of the air outlet channel 22, but the whole channel of the second layer of annular channel 3 is communicated. A plurality of inlet holes 61 are provided in the inner surface 12 in the inlet passage 21 and a plurality of outlet holes 62 are provided in the inner surface 12 in the outlet passage 22. The action position of the air inlet 4 breaks up and evenly distributes the air flow in the air inlet channel 21 to the second layer of annular channel 3, and the action position of the air outlet 62 collects the air in the second layer of annular channel 3 to the air outlet channel 22 and then the air is discharged from the air outlet 5.

In this embodiment, the annular cavity 1 is an integral body, when in use, the annular cavity 1 is sleeved at the outer surface of the furnace mouth of the quartz tube 10, the second layer of annular channel 3 faces the furnace mouth of the quartz tube 10, the opening of the second layer of annular channel 3 faces the quartz tube 10, so that a complete channel is formed between the outer wall surface of the quartz tube 10 and the second layer of annular channel 3, a self-contained clean air blowing system is adopted to generate high-speed air flow, the high-speed air flow enters from the air inlet 4, firstly reaches the air inlet channel 21 of the first layer of annular channel 2, is cached in the air inlet channel 21, then is dispersed and uniformly flows into the second layer of annular channel 3 from the plurality of air inlets 61, firstly enters the second layer of annular channel 3 close to the side of the air inlet 4, then, under the continuous action of subsequent air flow, the high-speed air flow flows from the middle to both ends to the second layer of annular channel 3 close to the side of the air outlet 5, the path of the air flow is shown by an arrow in fig. 2, after the high-speed air flow enters the second-layer annular channel 3, the furnace mouth of the quartz tube 10 starts to be cooled, the temperature is reduced by taking away the heat of the furnace mouth, and then the air flow enters the air outlet channel 22 through the air outlet hole 62 and is exhausted through the air outlet 5. Through the setting of inlet port 61 and inlet channel 21, can break up even flow direction annular channel 3 interior cooling to the fire door of flowing to the second floor with the direct current high wind, improve the cooling effect greatly. The air outlet holes 62 can slow down the air outlet speed, and the air flow is prevented from being forcibly pumped away without being cooled completely.

The utility model discloses a fire door annular cooling device installs at quartz capsule fire door surface, and mainly used fire door cooling utilizes high-speed air to flow through annular cavity 1, carries out strong annular forced air cooling to quartz orifice of pipe surface to strong annular wind takes away the thermal mode of fire door and realizes the cooling. The device adopts the clean blower system of equipment self-bring to produce high-speed air current, has low energy consumption, simple structure, easy dismouting maintenance's advantage.

In this embodiment, the air inlet channel 21 and the air outlet channel 22 are two half-and-half arc channels, and the air inlet holes 61 are uniformly distributed on the inner surface 12 in the air inlet channel 21, that is, when the air flow in the air inlet channel 21 goes out through the air inlet holes 61, a uniform semi-annular airflow field is formed to cool the furnace mouth. The inner surface 12 in the air outlet channel 22 is only provided with air outlet holes 62 corresponding to the parts of the air outlets 5, and the arrangement area of the air outlet holes 62 is small, so that uniform air flow is formed in the whole second-layer annular channel 3.

Example 2

As shown in fig. 1 to 9, the furnace mouth annular cooling device of the present embodiment is different from embodiment 1 in that:

in this embodiment, the annular cavity 1 is a split structure and is formed by splicing two semicircular arc cavities, one of the two semicircular arc cavities is an air inlet arc cavity 15, the other one of the two semicircular arc cavities is an air outlet arc cavity 16, the air inlet arc cavity 15 and the air outlet arc cavity 16 are also formed by an outer surface 11, an inner surface 12 and two side surfaces 13, the air inlet channel 21 is in the air inlet arc cavity 15, the air outlet channel 22 is in the air outlet arc cavity 16, and the second layer of annular channel 3 is formed by splicing corresponding parts of the air inlet arc cavity 15 and the air outlet arc cavity 16.

The air inlet circular arc cavity 15 is connected with end plates 17 with two ends provided with sealed air inlet channels 21, and the air outlet circular arc cavity 16 is provided with end plates 17 with two ends provided with sealed air outlet channels 22, so that the air inlet channels 21 are not communicated with the air outlet channels 22.

When the quartz tube is used, the furnace mouth of the quartz tube 10 is clamped by the air inlet arc-shaped cavity 15 and the air outlet arc-shaped cavity 16, and then the end plate 17 is connected through bolts to form a whole ring. In order to prevent the quartz tube 10 from being pinched, the radii of the inlet arc-shaped chamber 15 and the outlet arc-shaped chamber 16 are also slightly larger than the radius of the quartz tube 10. The process of cooling the intake air is the same as in the embodiment, and the description of embodiment 1 can be referred to.

The annular cavity 1 of this embodiment is split type structure, and loading and unloading are convenient, can install again after the installation of quartz capsule 10, can not influence the installation of quartz capsule 10.

In this embodiment, still include adjustable movable seal plate 7 of diameter, movable seal plate 7 is formed by two at least circular arc shrouding 71 concatenations, this embodiment uses two circular arc shrouding 71 as an example, circular arc shrouding 71 is half circular ring, because in order to overlap annular cavity 1 at the fire door of quartz capsule 10, annular cavity 1 inner circle slightly is greater than the external diameter of quartz capsule 10, certain clearance has between second floor annular channel 3 and the quartz capsule 10 like this, can spill the air current from both sides, for this reason, two circular arc shrouding 71 concatenations are installed on a side surface 13, specifically be setting up on the side surface 13 in the fire door outside of quartz capsule 10, circular arc shrouding 71 is elasticity, the annular movable seal plate 7 diameter of the ring shape that two circular arc shrouding 71 pieced together can become big and can diminish, can seal the clearance between second floor annular channel 3 and the quartz capsule 10 like this, prevent the air leakage. It should be noted that, in addition to this embodiment, the single movable closing plate 7 may be formed by splicing three or more circular arc closing plates 71. Further, it should be noted that, besides this embodiment, movable sealing plates 7 may be further disposed on the side surfaces 13 on both sides of the annular cavity 1, so that a closed space is formed between the second layer annular channel 3 and the quartz tube 10, and air leakage is completely prevented.

In this embodiment, a square air outlet cavity 51 is arranged at the air outlet 5, and a square connecting flange 52 is arranged at the outlet of the square air outlet cavity 51. For this purpose, a docking flange assembly 8 is further provided, the docking flange assembly 8 comprises an inner square flange 81, a square cavity 82 and an outer direction flange 83, the inner square flange 81 is connected with the square connecting flange 52, and the square cavity 82 is communicated with the square air outlet cavity 51. The square chamber 82 is used to collect and exhaust hot air through the docking flange assembly 8 and ultimately to the peripheral exhaust system of the workshop. The outer directional flange 83 is connected to the equipment cabinet for fixing the annular chamber 1.

Preferably, in order to improve the installation effect, a fixing support 9 is further provided, the fixing support 9 includes a first U-shaped plate 91 and a second U-shaped plate 92, the second U-shaped plate 92 includes a U-shaped portion 921 and bending connection portions 922 arranged at two ends of the U-shaped portion 921, the second U-shaped plate 92 is fixed on one side portion of the first U-shaped plate 91 through the bending connection portions 922 arranged at the two ends, the air inlet 4 is provided with an air inlet connector 41, the U-shaped portion 921 is sleeved on the air inlet connector 41, and the other side of the first U-shaped plate 91 is fixed on the equipment cabinet body. The stationary annular chamber 1 is further reinforced by the second U-shaped plate 92 trapping the inlet fitting 41. The side part of one side of the first U-shaped plate 91 connected with the equipment cabinet body is provided with a kidney-shaped hole 911 for adjusting the position of the fixing bracket 9. The number of the fixing brackets 9 may be plural as necessary.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the technical solution of the present invention, using the technical content disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a furnace mouth annular cooling device which characterized in that: the air inlet structure comprises an annular cavity (1), wherein the annular cavity (1) comprises an outer surface (11), an inner surface (12) and two side surfaces (13), the side surfaces (13) extend outwards relative to the inner surface (12) to form extension parts (14), a first layer of annular channel (2) is enclosed among the outer surface (11), the inner surface (12) and the two side surfaces (13), a second layer of annular channel (3) is formed between the extension parts (14) on the two sides and the inner surface (12), an air inlet (4) and an air outlet (5) are arranged on the outer surface (11), the air inlet (4) and the air outlet (5) are arranged oppositely, an air inlet channel (21) is formed on one side of the air inlet (4) of the first layer of annular channel (2), an air outlet channel (22) is formed on one side of the air outlet (5), and the two ends of the air inlet channel (21) are not communicated with the two ends of the air outlet channel (22), a plurality of air inlet holes (61) are formed in the inner surface (12) of the air inlet channel (21), and a plurality of air outlet holes (62) are formed in the inner surface (12) of the air outlet channel (22).

2. The furnace mouth annular cooling device according to claim 1, characterized in that: the air inlet channel (21) and the air outlet channel (22) are two half-and-half arc channels, air inlet holes (61) are uniformly distributed on the inner surface (12) in the air inlet channel (21), and air outlet holes (62) are arranged on the inner surface (12) in the air outlet channel (22) only corresponding to the part of the air outlet (5).

3. The furnace mouth annular cooling device according to claim 2, characterized in that: the annular cavity (1) is formed by splicing two semi-circular arc-shaped cavities, one of the two semi-circular arc-shaped cavities is an air inlet circular arc-shaped cavity (15), the other circular arc-shaped cavity is an air outlet circular arc-shaped cavity (16), the air inlet circular arc-shaped cavity (15) is connected with end plates (17) of which the two ends are provided with sealed air inlet channels (21), and the two ends of the air outlet circular arc-shaped cavity (16) are provided with end plates (17) of sealed air outlet channels (22).

4. The furnace mouth annular cooling device according to any one of claims 1 to 3, characterized in that: the furnace mouth annular cooling device further comprises a movable sealing plate (7) with the adjustable diameter, the movable sealing plate (7) is formed by splicing at least two arc sealing plates (71), and the movable sealing plate (7) is installed on one side surface (13).

5. The furnace mouth annular cooling device according to any one of claims 1 to 3, characterized in that: the furnace mouth annular cooling device further comprises two movable sealing plates (7) with adjustable diameters, the movable sealing plates (7) are formed by splicing at least two arc sealing plates (71), and each movable sealing plate (7) is installed on each side surface (13).

6. The furnace mouth annular cooling device according to any one of claims 1 to 3, characterized in that: the air outlet (5) is provided with a square air outlet cavity (51), and the outlet of the square air outlet cavity (51) is provided with a square connecting flange (52).

7. The furnace mouth annular cooling device according to claim 6, characterized in that: the annular cooling device for the furnace mouth further comprises a butt flange assembly (8), wherein the butt flange assembly (8) comprises an inner side square flange (81), a square cavity (82) and an outer side direction flange (83), the inner side square flange (81) is connected with a square connecting flange (52), and the square cavity (82) is communicated with a square air outlet cavity (51).

8. The furnace mouth annular cooling device according to any one of claims 1 to 3, characterized in that: furnace mouth annular cooling device still includes fixed bolster (9), fixed bolster (9) include first U-shaped board (91) and second U-shaped board (92), second U-shaped board (92) include U-shaped portion (921) and locate U-shaped portion (921) both ends bend connecting portion (922), one side lateral part at first U-shaped board (91) is fixed through connecting portion (922) of bending at both ends in second U-shaped board (92), air inlet (4) are equipped with air inlet connector (41), U-shaped portion (921) cover is on air inlet connector (41).

9. The furnace mouth annular cooling device according to claim 8, characterized in that: the other side part of the first U-shaped plate (91) is provided with a kidney-shaped hole (911).