Insulation barrel for quartz diffusion furnace

Abstract

The invention discloses a quartz diffusion furnace thermal insulation barrel which comprises a shell, a circulating pipe and a top cover, the top cover is fixedly connected to the top of the shell, the circulating pipe is communicated with the shell, a thermal insulation cover is arranged in the shell, the bottom of the top cover is fixedly connected with a thermal insulation barrel, and the quartz diffusion furnace thermal insulation barrel further comprises a transmission mechanism which comprises a fixing rod and a moving ring. The sides, away from the heat preservation barrel, of the fixing rods are fixedly connected with the heat preservation cover, the outer wall of the movable ring is slidably connected with the fixing rods, heat absorption cotton is arranged at the bottom of the movable ring, the top of the heat absorption cotton is fixedly connected with the bottoms of the fixing rods, and the five fixing rods surround the periphery of the inner wall of the heat preservation cover. The air pressure rod is arranged at the bottom of the inner wall of the heat preservation cover, so that the heat can be extruded into the heat absorption cotton for storage through the moving ring when the heat preservation barrel is cleaned, and the heat in the heat absorption cotton is released through the weight of the air pressure rod when the heat preservation barrel is subjected to heat preservation next time.

Description

Technical Field

[0001] The invention relates to the technical field of heat preservation, in particular to a heat preservation barrel for a quartz diffusion furnace. Background Art

[0002] The insulation barrel in the diffusion furnace is a device used to keep the temperature in the furnace stable and uniform. The insulation barrel is usually made of high temperature heat-resistant materials, such as quartz, ceramics, etc., to withstand the high temperature environment in the furnace.

[0003] The patent application with publication number CN111063613A discloses a heat preservation barrel for a quartz diffusion furnace, including a top plate and a multi-layer baffle located below the top plate, wherein the top plate and the baffles and the baffles are welded and positioned by connecting rods, and the top plate and the baffles and the baffles are welded and positioned by positioning pins to control the welding height; the positioning pins are quartz pins. The top plate and the baffles are of the same height, and the connecting rods are welded and fixed to the baffles and the top plate, so the structure is stable and the heat insulation effect is good.

[0004] In this device, the heat in the insulation barrel cannot be well utilized, which not only wastes the heat, but also reduces the insulation effect of the liquid in the insulation barrel, and fails to achieve a better insulation effect. Summary of the invention

[0005] The object of the present invention is to provide a heat preservation barrel for a quartz diffusion furnace to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: an insulation barrel for a quartz diffusion furnace, comprising an outer shell, a circulation pipe and a top cover, wherein the top cover is fixedly connected to the top of the outer shell, the circulation pipe is connected to the outer shell, an insulation cover is arranged inside the outer shell, and the bottom of the top cover is fixedly connected to the insulation barrel, and further comprising:

[0007] The transmission mechanism includes a fixed rod and a moving ring, wherein the fixed rod is fixedly connected to the heat preservation cover at one side away from the heat preservation barrel, the outer wall of the moving ring is slidably connected to the fixed rod, the bottom of the moving ring is provided with heat absorbing cotton, the top of the heat absorbing cotton is fixedly connected to the bottom of the fixed rod, and the number of the fixed rods is five, and they are respectively surrounded by the inner wall of the heat preservation cover;

[0008] The circulation mechanism comprises a protective shell, the top of the protective shell is fixedly connected to the bottom of the heat preservation barrel, the bottom of the right side of the protective shell is connected with a connecting pipe, a first protective shell is arranged inside the protective shell, and first heating pipes are arranged on both the front and rear sides of the first protective shell;

[0009] The reflux mechanism comprises an interface and a valve. The shape of the interface is similar to that of the valve. A baffle is arranged on one side of the valve close to the connecting pipe. The baffle contacts the valve. The inner wall of the baffle is provided with absorbent cotton.

[0010] Preferably, an air flow plate is provided inside the circulation pipe, and the upper and lower ends of the air flow plate are in contact with the circulation pipe. A rotating rod is provided on the air flow plate, and the rotating rod passes through the circulation pipe and is threadedly connected to the air flow plate. The circulation pipe is connected to the insulation barrel on the side close to the insulation barrel, and a support rod is provided at the bottom of the insulation cover. There are four support rods, which are respectively fixedly connected to the four corners of the bottom of the insulation cover. The side of the heat-absorbing cotton away from the insulation barrel is fixedly connected with a heat insulation board, and the side of the insulation board away from the heat-absorbing cotton is provided with a second pneumatic rod, and the side of the second pneumatic rod away from the fixed rod is provided with an air pipe, and the side of the air pipe close to the insulation cover is connected with the second pneumatic rod, and the side of the air pipe away from the second pneumatic rod is connected with the first pneumatic rod.

[0011] Preferably, a sponge is provided inside the movable ring, a motor is provided at the bottom of the insulation barrel, a sliding rod is fixedly connected to the output end of the motor, the sliding rod passes through the insulation cover, the insulation plate and the movable ring, a base is provided on the side of the motor close to the insulation shell, a side of the base away from the insulation cover is fixedly connected to the protective shell, and a side of the base away from the protective shell is fixedly connected to the motor.

[0012] Preferably, a circulation fan is provided inside the first protective shell, a side of the circulation fan away from the connecting pipe is fixedly connected to a suspension rod, and a side of the suspension rod away from the circulation fan is fixedly connected to the first protective shell.

[0013] Preferably, a second protective shell is provided on the side of the protective shell away from the first protective shell, the bottom of the second protective shell is fixedly connected to the bottom of the inner wall of the protective shell, a rotating blade is provided inside the second protective shell, the top and bottom of the rotating blade are rotatably connected to the second protective shell through a rotating shaft, a second heating tube is provided on the side of the rotating blade away from the second protective shell, the side of the second heating tube away from the second protective shell is connected to the first protective shell, and the side of the second heating tube away from the first protective shell is connected to the second protective shell.

[0014] Preferably, the outer wall of the baffle is provided with a groove, and the number of the grooves is four. A roller is arranged in the groove provided on the baffle, and the outer wall of the roller contacts the groove wall. The side of the roller away from the baffle is rotatably connected to the connecting rod through a bearing. A positioning rod is provided on the right side of the baffle, and the side of the positioning rod close to the connecting rod is fixedly connected to the connecting rod, and the side of the positioning rod away from the connecting rod is fixedly connected to a pulley, and the inner wall of the pulley is provided with a screw, and the screw is threadedly connected to the pulley, and the screw passes through the valve, and an interface is provided on the outer wall of the valve, and the side of the valve close to the connecting pipe is fixedly connected to a limiting block, the side of the interface close to the protective shell is connected to the connecting pipe, and the side of the interface away from the connecting pipe is connected to the circulation pipe. There are two connecting rods and they are connected by the positioning rod.

[0015] Preferably, the valve is provided with four holes with uniform apertures, a dust cover is provided on the side of the pulley away from the screw, the side of the dust cover close to the valve is fixedly connected to the screw, a first clamping block is provided inside the dust cover, the side of the first clamping block close to the screw is fixedly connected to the screw, a second clamping block is provided on the side of the first clamping block away from the screw, and a rotating rod is fixedly connected to the side of the second clamping block away from the first clamping block.

[0016] Preferably, the rotating rod is fixedly connected to a rotating wheel on the side away from the second clamping block, and the outer wall of the rotating wheel is provided with rotating blades, and the number of the rotating blades is four, and the four rotating blades are fixedly connected around the outer wall of the rotating wheel, and the left side mechanism of the screw has two groups, which are symmetrical with the valve as the center axis, the side of the baffle plate close to the screw is fixedly connected to a connecting block, and the side of the connecting block away from the baffle plate is fixedly connected to a rotating ring, and the outer wall of the pulley is provided with contact rods, and the side of the contact rod away from the pulley is fixedly connected to a positioning rod.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. The insulation barrel for the quartz diffusion furnace can allow heat to reach the circulation mechanism through the circulation pipe by setting a circulation mechanism, and release heat through the heating pipe in the circulation mechanism to heat the bottom of the insulation barrel to avoid the heat being uniformly at the top of the insulation barrel.

[0019] 2. The heat preservation barrel for the quartz diffusion furnace can adjust the temperature inside the heat preservation barrel by setting a transmission mechanism, and the heat emitted from the outer wall of the heat preservation barrel can be processed by moving its moving ring inside the heat preservation cover, so that the direction of the heat can be well controlled.

[0020] 3. The heat preservation barrel for the quartz diffusion furnace is provided with a gas pressure rod at the bottom of the inner wall of the heat preservation cover, so that when the heat preservation barrel is cleaned, the heat can be squeezed into the heat-absorbing cotton for storage through the movable ring, and the heat in the heat-absorbing cotton can be released by its own weight when the heat preservation barrel is kept warm next time.

[0021] 4. The quartz diffusion furnace uses a heat preservation barrel, which avoids the heat from flowing back into the circulation pipe during the heat circulation process through a reflux mechanism, thereby causing heat loss and waste, and greatly reducing the heat preservation effect of the heat preservation barrel. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the structure of the present invention;

[0023] Figure 2 It is a cross-sectional view of the present invention;

[0024] Figure 3 It is a schematic diagram of the transmission mechanism of the present invention, its support rod and circulation pipe;

[0025] Figure 4 It is a schematic diagram of the gas pressure rod of the present invention;

[0026] Figure 5 It is a schematic diagram of the fantasy mechanism and the reflux mechanism of the present invention;

[0027] Figure 6 It is a cross-sectional view of the fantasy mechanism and the reflux mechanism of the present invention;

[0028] Figure 7 It is a schematic diagram of the reflux mechanism of the present invention;

[0029] Figure 8 It is a schematic diagram of the left and right side mechanisms of the valve of the present invention;

[0030] Fig. 9 This is a schematic diagram of the left side mechanism of the valve of the present invention;

[0031] Fig.10 Schematic diagram of the baffle mechanism of the present invention.

[0032] In the figure: 1, shell; 2, top cover; 3, circulation pipe; 4, heat preservation cover; 5, transmission mechanism; 501, moving ring; 502, fixed rod; 503, heat absorbing cotton; 504, heat insulation board; 505, first gas pressure rod; 506, second gas pressure rod; 507, sponge; 508, slide rod; 509, motor; 510, base; 511, air pipe; 6, support rod; 7, circulation mechanism; 701, connecting pipe; 702, first protective shell; 703, protective shell; 704, first heating pipe; 705, second protective shell; 706, second heating pipe; 7 07, rotating blade; 708, circulating fan; 709, suspension rod; 8, reflux mechanism; 801, interface; 802, valve; 803, dust cover; 804, second clamping block; 805, first clamping block; 806, rotating wheel; 807, rotating blade; 808, pulley; 809, absorbent cotton; 810, baffle; 811, contact rod; 812, connecting block; 813, positioning rod; 814, connecting rod; 815, roller; 816, screw; 817, rotating ring; 818, limit block; 9, air flow plate; 10, rotating rod; 11, insulation barrel. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] For example, see Figure 1-4 The present invention provides a technical solution: a heat preservation barrel for a quartz diffusion furnace, comprising a shell 1, a circulation pipe 3 and a top cover 2, wherein the top cover 2 is fixedly connected to the top of the shell 1, the circulation pipe 3 is connected to the shell 1, a heat preservation cover 4 is arranged inside the shell 1, and a heat preservation barrel 11 is fixedly connected to the bottom of the top cover 2, and further comprising:

[0035] The transfer mechanism 5 includes a fixed rod 502 and a movable ring 501. The fixed rod 502 is fixedly connected to the insulation cover 4 on one side away from the insulation barrel 11. The outer wall of the movable ring 501 is slidably connected to the fixed rod 502. The bottom of the movable ring 501 is provided with a heat-absorbing cotton 503. By arranging the heat-absorbing cotton 503 to absorb the heat diffused from the side wall of the insulation barrel 11, the insulation barrel 11 can release more heat in the heat-absorbing cotton 503 when the liquid is insulated next time, so that the temperature of the side wall of the insulation barrel 11 is increased. The top of the heat-absorbing cotton 503 is fixedly connected to the bottom of the fixed rod 502. The number of fixed rods 502 is five, and they are respectively surrounded by the inner wall of the heat preservation cover 4. The circulation pipe 3 is provided with an air flow plate 9, and the upper and lower ends of the air flow plate 9 are in contact with the circulation pipe 3. The air flow plate 9 is provided with a rotating rod 10, which penetrates the circulation pipe 3 and is threadedly connected with the air flow plate 9. The side of the circulation pipe 3 close to the heat preservation barrel 11 is connected to the heat preservation barrel 11. The bottom of the heat preservation cover 4 is provided with a support rod 6. The number of support rods 6 is four, and they are respectively fixedly connected to the four corners of the bottom of the heat preservation cover 4. The side of the heat-absorbing cotton 503 away from the heat preservation barrel 11 is fixedly connected with The heat insulation board 504 is provided with a second gas pressure rod 506 on the side of the heat insulation board 504 away from the heat absorbing cotton 503, and an air pipe 511 is provided on the side of the second gas pressure rod 506 away from the fixed rod 502. The side of the air pipe 511 close to the heat preservation cover 4 is connected with the second gas pressure rod 506, and the side of the air pipe 511 away from the second gas pressure rod 506 is connected with the first gas pressure rod 505. By setting the first gas pressure rod 505 and the second gas pressure rod 506, the heat absorbing cotton 503 can be squeezed by the weight in the heat preservation barrel 11, and the interior of the movable ring 501 is provided with a sponge 507. A motor 509 is provided at the bottom of the barrel 11, and a sliding rod 508 is fixedly connected to the output end of the motor 509. By driving the sliding rod 508, the movable ring 501 can drive the hot air to move on the inner wall of the heat preservation cover 4 to heat the place where the temperature is insufficient. The sliding rod 508 penetrates the heat preservation cover 4, the insulation board 504 and the movable ring 501. A base 510 is provided on the side of the motor 509 close to the protective shell 703. The side of the base 510 away from the heat preservation cover 4 is fixedly connected to the protective shell 703, and the side of the base 510 away from the protective shell 703 is fixedly connected to the motor 509.

[0036] The working principle of this embodiment is as follows: when the heat preservation barrel 11 is to be kept warm, the motor 509 is in standby mode. At this time, when the motor 509 is started, the movable ring 501 moves up and down on the movable rod 508 through the sliding rod 508. At this time, the movable ring 501 is limited by the fixed rod 502. The movable ring 501 moves up and down to control the heat emitted from the side wall of the heat preservation barrel 11 to be concentrated and moved. When the heat preservation barrel 11 is to be cleaned, the movable ring 501 moves downward through the motor 509 to concentrate the heat of the side wall to the bottom for absorption by the heat-absorbing cotton 503. Due to the reduction in the weight of the heat preservation barrel 11, the pressure on the first pneumatic rod 505 is reduced, and the heat-absorbing cotton 503 cannot be squeezed. When the heat preservation barrel 11 is to be kept warm again, the first pneumatic rod 505 is compressed downward by its own weight, and the second pneumatic rod 506 is retracted upward to squeeze the heat-absorbing cotton 503 through the insulation board 504 to release heat to keep the heat preservation barrel 11 warm.

[0037] Example 2, based on Example 1: Please refer to Figure 3-7 The circulation mechanism 7 includes a protective shell 703, the top of the protective shell 703 is fixedly connected to the bottom of the heat preservation barrel 11, the bottom of the right side of the protective shell 703 is connected to a connecting pipe 701, a first protective shell 702 is arranged inside the protective shell 703, and a first heating pipe 704 is arranged on both the front and rear sides of the first protective shell 702. A circulation fan 708 is arranged inside the first protective shell 702, and the airflow is guided by the circulation fan 708 to prevent the airflow from being unable to flow in the pipeline. A suspension rod 709 is fixedly connected to the side of the circulation fan 708 away from the connecting pipe 701, and a side of the suspension rod 709 away from the circulation fan 708 is fixedly connected to the first protective shell 702, and a second protective shell 703 is arranged on the side of the protective shell 703 away from the first protective shell 702. 05, the bottom of the second protective shell 705 is fixedly connected to the bottom of the inner wall of the protective shell 703, and a rotating blade 707 is arranged inside the second protective shell 705. The top and bottom of the rotating blade 707 are rotatably connected to the second protective shell 705 through a rotating shaft. A second heating tube 706 is arranged on the side of the rotating blade 707 away from the second protective shell 705. The rotating blade 707 is arranged to stir and guide the heat in the first heating tube 704, so that the heat enters the second heating tube 706 through the rotating blade 707 to complete the secondary circulation. The side of the second heating tube 706 away from the second protective shell 705 is connected to the first protective shell 702, and the side of the second heating tube 706 away from the first protective shell 702 is connected to the second protective shell 705.

[0038] The working principle of this embodiment is as follows: heat flows into the connecting pipe 701 through the circulation pipe 3, and then reaches the first protective shell 702. The hot air circulates through the first heating pipes 704 on both sides of the first protective shell 702 to heat the bottom of the insulation barrel 11, thereby achieving a better insulation effect. The airflow passes through the first heating pipe 704 and reaches the second protective shell 705. The airflow is regulated by the rotating blades 707 provided in the second protective shell 705, so that the airflow enters the second heating pipe 706 again, and then flows back to the first protective shell 702, completing the secondary circulation.

[0039] Example 3, based on Example 2: Please refer to Figure 7-10, the reflux mechanism 8 includes an interface 801 and a valve 802. The shape of the interface 801 is similar to that of the valve 802. A baffle 810 is provided on the side of the valve 802 close to the connecting pipe 701. The baffle 810 is in contact with the valve 802. The inner wall of the baffle 810 is provided with absorbent cotton 809. The absorbent cotton 809 is provided to absorb water vapor on the hole wall to avoid obstruction of air flow caused by water vapor. The outer wall of the baffle 810 is provided with grooves, and the number of the grooves is four. A roller 815 is provided in the groove provided on the baffle 810. The outer wall of the roller 815 is in contact with the groove wall. The roller 815 rolls back and forth inside the groove through the connecting rod 814. The roller 815 is far away The side away from the baffle 810 is rotatably connected to the connecting rod 814 through a bearing, and a positioning rod 813 is arranged on the right side of the baffle 502. The side of the positioning rod 813 close to the connecting rod 814 is fixedly connected to the connecting rod 814, and the side of the positioning rod 813 away from the connecting rod 814 is fixedly connected to a pulley 808, and the inner wall of the pulley 808 is provided with a screw 816, and the screw 816 is threadedly connected to the pulley 808, and the screw 816 passes through the valve 802, and an interface 801 is arranged on the outer wall of the valve 802, and the side of the valve 802 close to the connecting pipe 701 is fixedly connected to the limiting block 818, and the side of the interface 801 close to the protective shell 703 is connected to the connecting pipe 701, and the interface 801 is away from the connecting pipe 701. One side of the pipe 701 is connected to the circulation pipe 3, and the valve 802 is provided with four holes, and the hole diameters are the same. A dust cover 803 is provided on the side of the pulley 808 away from the screw 816, and the side of the dust cover 803 close to the valve 802 is fixedly connected to the screw 816, and a first clamping block 805 is provided inside the dust cover 803, and the side of the first clamping block 805 close to the screw 816 is fixedly connected to the screw 816, and a second clamping block 804 is provided on the side of the first clamping block 805 away from the screw 816, and a rotating rod 10 is fixedly connected to the side of the second clamping block 804 away from the first clamping block 805, and a rotating wheel is fixedly connected to the side of the rotating rod 10 away from the second clamping block 804. 806, the outer wall of the rotating wheel 806 is provided with rotating blades 807, and the number of the rotating blades 807 is four. The four rotating blades 807 are fixedly connected around the outer wall of the rotating wheel 806. There are two groups of mechanisms on the left side of the screw rod 816, which are symmetrical with the valve 802 as the center axis. The side of the baffle 810 close to the screw rod 816 is fixedly connected with a connecting block 812, and the side of the connecting block 812 away from the baffle 810 is fixedly connected with a rotating ring 817. The outer wall of the pulley 808 is provided with contact rods 811 around, and the side of the contact rod 811 away from the pulley 808 is fixedly connected with a positioning rod 813. The distance of the connecting rod 814 is controlled as a whole through the contact rod 811 to control the position of the absorbent cotton 809.

[0040] The working principle of this embodiment is as follows: when the airflow enters the interface 801 normally, the airflow blows the rotating blade 807 to rotate. At this time, the second block 804 cannot contact the first block 805, and the contact area is relatively small, so the second block 804 cannot be driven to rotate, and the pulley 808 cannot rotate at this time. When the airflow refluxes, the power of the airflow causes the rotating blade 807 to rotate in the opposite direction. At this time, the second block 804 contacts the first block 805 over a large area, and the power of the airflow drives the first block 805 to rotate, so that the screw 816 rotates synchronously, so that the pulley 808 moves downward, the contact rod 811 moves downward, drives the positioning rod 813 and the connecting rod 814, and the connecting rod 816 rotates synchronously with the screw 816, and drives the pulley 808 downward. 14 is rotated and connected to the roller 815 to move, so that the absorbent cotton 809 is removed from the baffle 810. At this time, the baffle 810 blocks the hole on the valve 802 through the rotation of the first clamping block 805, and is blocked by the limit block 818, so that the baffle 810 is in a stopped state. When it is to be opened again to allow the air flow to flow from the side away from the connecting pipe 701, the rotating blade 807 is rotated again, driving the screw 816 to reverse, so that the pulley 808 moves upward and the contact rod 811 is recovered to make the roller 815 move upward, so that the absorbent cotton 809 is reset, and the baffle 810 is reversed again, moved to the original position, and limited by the limit block 818.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A heat preservation barrel for a quartz diffusion furnace, comprising a shell (1), a circulation pipe (3) and a top cover (2), wherein the top cover (2) is fixedly connected to the top of the shell (1), the circulation pipe (3) is communicated with the shell (1), a heat preservation cover (4) is arranged inside the shell (1), and the bottom of the top cover (2) is fixedly connected to the heat preservation barrel (11), characterized in that: Also includes: The transmission mechanism (5) comprises a fixed rod (502) and a movable ring (501), wherein the fixed rod (502) is fixedly connected to the insulation cover (4) at a side away from the insulation barrel (11), the outer wall of the movable ring (501) is slidably connected to the fixed rod (502), the bottom of the movable ring (501) is provided with heat-absorbing cotton (503), the top of the heat-absorbing cotton (503) is fixedly connected to the bottom of the fixed rod (502), and the number of the fixed rods (502) is five, and they are respectively surrounded by the inner wall of the insulation cover (4); The circulation mechanism (7) comprises a protective shell (703), the top of the protective shell (703) is fixedly connected to the bottom of the heat preservation barrel (11), the right bottom of the protective shell (703) is connected to a connecting pipe (701), a first protective shell (702) is arranged inside the protective shell (703), and first heating pipes (704) are arranged on both the front and rear sides of the first protective shell (702); The reflux mechanism (8) comprises an interface (801) and a valve (802). The shape of the interface (801) is similar to that of the valve (802). A baffle (810) is provided on a side of the valve (802) close to the connecting pipe (701). The baffle (810) is in contact with the valve (802). The inner wall of the baffle (810) is provided with absorbent cotton (809).

2. The heat preservation barrel for a quartz diffusion furnace according to claim 1, characterized in that: The circulation pipe (3) is provided with an air flow plate (9) inside, and the upper and lower ends of the air flow plate (9) are in contact with the circulation pipe (3). The air flow plate (9) is provided with a rotating rod (10), and the rotating rod (10) passes through the circulation pipe (3) and is threadedly connected to the air flow plate (9). The side of the circulation pipe (3) close to the heat preservation barrel (11) is connected to the heat preservation barrel (11). The bottom of the heat preservation cover (4) is provided with a support rod (6). The number of the support rods (6) is four, and they are respectively fixedly connected to the four corners of the bottom of the heat preservation cover (4). The side of the heat-absorbing cotton (503) away from the heat-insulating barrel (11) is fixedly connected to a heat-insulating plate (504), the side of the heat-insulating plate (504) away from the heat-absorbing cotton (503) is provided with a second pneumatic rod (506), the side of the second pneumatic rod (506) away from the fixed rod (502) is provided with an air pipe (511), the side of the air pipe (511) close to the heat-insulating cover (4) is connected to the second pneumatic rod (506), and the side of the air pipe (511) away from the second pneumatic rod (506) is connected to the first pneumatic rod (505).

3. The heat preservation barrel for a quartz diffusion furnace according to claim 1, characterized in that: A sponge (507) is arranged inside the movable ring (501), a motor (509) is arranged at the bottom of the heat preservation barrel (11), an output end of the motor (509) is fixedly connected with a slide bar (508), and the slide bar (508) passes through the heat preservation cover (4), the heat insulation plate (504) and the movable ring (501), a base (510) is arranged on the side of the motor (509) close to the protective shell (703), a side of the base (510) away from the heat preservation cover (4) is fixedly connected to the protective shell (703), and a side of the base (510) away from the protective shell (703) is fixedly connected to the motor (509).

4. The heat preservation barrel for a quartz diffusion furnace according to claim 1, characterized in that: A circulation fan (708) is arranged inside the first protective shell (702), and a side of the circulation fan (708) away from the connecting pipe (701) is fixedly connected to a suspension rod (709), and a side of the suspension rod (709) away from the circulation fan (708) is fixedly connected to the first protective shell (702).

5. The heat preservation barrel for a quartz diffusion furnace according to claim 1, characterized in that: A second protective shell (705) is arranged on a side of the protective shell (703) away from the first protective shell (702); the bottom of the second protective shell (705) is fixedly connected to the bottom of the inner wall of the protective shell (703); a rotating blade (707) is arranged inside the second protective shell (705); the top and the bottom of the rotating blade (707) are both rotatably connected to the second protective shell (705) via a rotating shaft; a second heating tube (706) is arranged on a side of the rotating blade (707) away from the second protective shell (705); the side of the second heating tube (706) away from the second protective shell (705) is communicated with the first protective shell (702); and the side of the second heating tube (706) away from the first protective shell (702) is communicated with the second protective shell (705).

6. The heat preservation barrel for a quartz diffusion furnace according to claim 1, characterized in that: The outer wall of the baffle (810) is provided with grooves, and the number of the grooves is four. A roller (815) is arranged in the grooves provided on the baffle (810), and the outer wall of the roller (815) contacts the groove wall of the groove. The side of the roller (815) away from the baffle (810) is rotatably connected to the connecting rod (814) through a bearing. A positioning rod (813) is arranged on the right side of the baffle (502). The side of the positioning rod (813) close to the connecting rod (814) is fixedly connected to the connecting rod (814). The side of the positioning rod (813) away from the connecting rod (814) is fixedly connected to a pulley (808). The pulley (808) The inner wall of the valve (808) is provided with a screw (816), the screw (816) is threadedly connected to the pulley (808), the screw (816) passes through the valve (802), the outer wall of the valve (802) is provided with an interface (801), the side of the valve (802) close to the connecting pipe (701) is fixedly connected to a limiting block (818), the side of the interface (801) close to the protective shell (703) is communicated with the connecting pipe (701), and the side of the interface (801) away from the connecting pipe (701) is communicated with the circulation pipe (3), and there are two connecting rods (814) and they are connected by a positioning rod (813).

7. The heat preservation barrel for a quartz diffusion furnace according to claim 5, characterized in that: The valve (802) is provided with four holes, and the hole diameters are the same. A dust cover (803) is provided on the side of the pulley (808) away from the screw rod (816). The side of the dust cover (803) close to the valve (802) is fixedly connected to the screw rod (816). A first clamping block (805) is provided inside the dust cover (803). The side of the first clamping block (805) close to the screw rod (816) is fixedly connected to the screw rod (816). A second clamping block (804) is provided on the side of the first clamping block (805) away from the screw rod (816). The side of the second clamping block (804) away from the first clamping block (805) is fixedly connected to the rotating rod (10).

8. The heat preservation barrel (11) for a quartz diffusion furnace according to claim 1, characterized in that: A rotating wheel (806) is fixedly connected to the side of the rotating rod (10) away from the second clamping block (804), and a rotating blade (807) is arranged on the outer wall of the rotating wheel (806). There are four rotating blades (807), and the four rotating blades (807) are fixedly connected to the outer wall of the rotating wheel (806). There are two groups of mechanisms on the left side of the screw rod (816), which are symmetrical with the valve (802) as the central axis. A connecting block (812) is fixedly connected to the side of the baffle (810) close to the screw rod (816), and a rotating ring (817) is fixedly connected to the side of the connecting block (812) away from the baffle (810). Contact rods (811) are arranged on the outer wall of the pulley (808), and a positioning rod (813) is fixedly connected to the side of the contact rod (811) away from the pulley (808).

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