CN215983941U

CN215983941U - High-temperature vacuum furnace with heat insulation structure for special graphite processing

Info

Publication number: CN215983941U
Application number: CN202122572817.4U
Authority: CN
Inventors: 刘娜
Original assignee: Shanghai Sehe New Material Technology Co ltd
Current assignee: Shanghai Sehe New Material Technology Co ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-03-08
Anticipated expiration: 2031-10-25

Abstract

The utility model discloses a high-temperature vacuum furnace with a heat preservation structure for processing special graphite, which comprises a bottom plate and a heat preservation furnace body, wherein the top of the bottom plate is provided with a fixed seat through a bolt; a screw is installed on one side of the heat-preserving furnace body in a threaded manner, a sealing cover is installed on one side of the heat-preserving furnace body through the screw, and a stirring rod penetrates through the inner side of the sealing cover; the other side of the heat preservation furnace body is provided with a suction pipe in a penetrating mode, and the top of the bottom plate is provided with a water tank. According to the utility model, the water tank is arranged, so that in the process of sucking air by the suction pipe, the air is over-high in temperature and can damage the vacuum pump, the air returns to the inner side of the water tank under the guide of the suction pipe, the water tank is filled with low-temperature water, the water can suck out heat in the suction pipe, and when the air reaches the inside of the vacuum pump, the vacuum pump cannot be damaged by the temperature, so that the safety of the vacuum pump is ensured.

Description

High-temperature vacuum furnace with heat insulation structure for special graphite processing

Technical Field

The utility model relates to the technical field of special graphite processing, in particular to a high-temperature vacuum furnace with a heat insulation structure for special graphite processing.

Background

The special graphite mainly refers to a high-strength, high-density and high-purity graphite product, impurities on the surface of the graphite are required to be removed through high temperature in the production process of the graphite, and a high-temperature vacuum furnace is equipment for heating in an internal normal air environment, so that the loss of carbon elements in the graphite can be reduced.

The high-temperature vacuum furnace in the prior art has the following defects:

1. the patent document CN208155052U discloses a vacuum degree controllable high-temperature vacuum furnace, which comprises a vacuum furnace and a vacuum pump, wherein an air inlet of the vacuum pump is sequentially communicated with the vacuum furnace through an L-shaped bent pipe and a vacuum pipe. The vacuum degree controllable high-temperature vacuum furnace is adopted, the opening degree adjusting mechanism is arranged in the vacuum tube, the air extraction rate can be controlled, so that the vacuum degree of the vacuum furnace is controlled, meanwhile, the power-off protection mechanism is arranged, a pipeline between the vacuum pump and the vacuum furnace can be sealed at the power-off moment, the furnace pressure change caused by air entering the vacuum furnace is prevented, and high-temperature gas in the vacuum furnace can damage the vacuum pump when the vacuum furnace sucks air.

2. The existing device lacks a structure for supporting the closing cover, and needs manual carrying by workers when the closing cover needs to be installed, which is troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-temperature vacuum furnace with a heat insulation structure for processing special graphite, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a high-temperature vacuum furnace with a heat insulation structure for special graphite processing comprises a bottom plate and a heat insulation furnace body, wherein a fixed seat is installed at the top of the bottom plate through a bolt, the heat insulation furnace body is installed at the top of the fixed seat, and a material injection pipe is installed on the top wall of the heat insulation furnace body in a penetrating mode;

a screw is installed on one side of the heat-preserving furnace body in a threaded manner, a sealing cover is installed on one side of the heat-preserving furnace body through the screw, and a stirring rod penetrates through the inner side of the sealing cover;

the other side of the heat preservation furnace body is provided with a suction pipe in a penetrating mode, the top of the bottom plate is provided with a water tank, the water tank is located on one side of the fixing seat, and the suction pipe is located on the inner side of the water tank.

Preferably, heat preservation heat-resistant layer is installed to the inboard of heat preservation furnace body, and the heater strip is installed around installing to the inboard of heat preservation heat-resistant layer, and the blowing case is installed to the inboard of heat preservation heat-resistant layer, and the blowing case is located the outside of puddler, runs through on the roof of heat preservation furnace body and heat preservation heat-resistant layer and installs the atmospheric pressure test table, runs through on the roof of heat preservation furnace body and heat preservation heat-resistant layer and installs the temperature test table, and the temperature test table is located between atmospheric pressure test table and the notes material pipe.

Preferably, the top of the material injection pipe is provided with a control valve, and the top end of the control valve is provided with a connecting port.

Preferably, the bottom of the closing cover is provided with a movable plate, and the bottom of the movable plate is provided with a movable wheel through a bearing seat.

Preferably, a motor is installed at one end of the stirring rod, and a stirring blade is installed outside the stirring rod.

Preferably, the solenoid valve is installed in the outside of straw, and the vacuum pump is installed to the one end of straw, and the vacuum pump passes through the bolt and installs at the top of bottom plate, and the vacuum pump is located the one side that the fixing base was kept away from to the water tank.

Preferably, the water inlet valve is installed on the outer wall of the front face of the water tank in a penetrating mode, the drain valve is installed on the outer wall of the front face of the water tank in a penetrating mode, and the drain valve is located below the water inlet valve.

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

1. the vacuum pump is characterized in that the water tank is arranged on the suction pipe, the suction pipe is arranged in the water tank, the suction pipe is connected with the water inlet valve on the water tank, the water inlet valve is connected with the water delivery device, the water tank is filled with low-temperature water, the water can suck out heat in the suction pipe, the vacuum pump cannot be damaged by temperature when the air reaches the inside of the vacuum pump, the safety of the vacuum pump is guaranteed, and the water outlet valve is connected with the water discharge pipe to discharge the water so that the temperature of the water is kept unchanged.

2. According to the utility model, the movable plate is arranged, the movable plate and the movable wheel support the closed cover at the top, and workers push the movable plate to enable the movable wheel to rotate to drive the closed cover to move, so that the closed cover is not required to be manually carried by the workers, and the operation of the workers is convenient.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the vacuum pump of the present invention;

FIG. 3 is a schematic cross-sectional view of a sealing pyramid of the present invention;

FIG. 4 is a schematic cross-sectional view of a paddle according to the present invention.

In the figure: 1. a base plate; 2. a heat preservation furnace body; 201. a fixed seat; 202. a heat insulating and resisting layer; 203. heating wires; 204. a material placing box; 205. an air pressure detection meter; 206. a temperature detection meter; 3. a material injection pipe; 301. a control valve; 302. a connecting port; 4. a closure cap; 401. a screw; 402. moving the plate; 403. a moving wheel; 5. a stirring rod; 501. an electric motor; 502. stirring blades; 6. a straw; 601. a vacuum pump; 602. an electromagnetic valve; 7. a water tank; 701. a water inlet valve; 702. and (4) draining the water valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides an embodiment: a high-temperature vacuum furnace with a heat insulation structure for processing special graphite;

the first embodiment is as follows: the heating device comprises a bottom plate 1 and a heat preservation furnace body 2, wherein a fixed seat 201 is installed at the top of the bottom plate 1 through bolts, the heat preservation furnace body 2 is installed at the top of the fixed seat 201, the bottom plate 1 fixes the heat preservation furnace body 2 at the top through the fixed seat 201, the stability of the heat preservation furnace body 2 is ensured, the heat preservation furnace body 2 is composed of metal materials and used for protecting an inner side structure and ensuring the heat inside the device, a heat preservation heat-resistant layer 202 is installed at the inner side of the heat preservation furnace body 2, a heat preservation structure composed of heat-resistant materials of the heat preservation heat-resistant layer 202 is used for keeping the heat inside the device, the heat inside the device is prevented from being lost too much when a product is processed, a heating wire 203 is installed around the inner side of the heat preservation heat-resistant layer 202, a discharging box 204 is installed at the inner side of the heat preservation heat-resistant layer 202, the heating wire 203 is electrified through the inner resistance thereof to heat the discharging box 204 at the inner side, the temperature in the material placing box 204 rises to heat the material, the material placing box 204 is used for placing the material, the material placing box 204 is positioned outside the stirring rod 5, the top walls of the heat preservation furnace body 2 and the heat preservation heat-resistant layer 202 are provided with an air pressure detection meter 205 in a penetrating way, the air pressure detection meter 205 detects the air pressure in the material placing box 204 through an internal air pressure element, then the numerical value is displayed, the top walls of the heat preservation furnace body 2 and the heat preservation heat-resistant layer 202 are provided with a temperature detection meter 206 in a penetrating way, the temperature detection meter 206 is positioned between the air pressure detection meter 205 and the material injecting pipe 3, the temperature detection meter 206 detects the internal temperature through an internal temperature sensing element, then the detected time is displayed to facilitate observation of workers, the material injecting pipe 3 is arranged on the top wall of the heat preservation furnace body 2 in a penetrating way, the top of the material injecting pipe 3 is provided with a control valve 301, and the top end of the control valve 301 is provided with a connecting port 302, the connecting port 302 is connected with the material injection device through threads, when material is injected, a control valve 301 is opened, materials are conveyed into the material injection pipe 3 from the connecting port 302 through the control valve 301, then the materials are conveyed into the material discharge box 204 through the material injection pipe 3, a screw 401 is installed on one side of the heat preservation furnace body 2 through the screw 401, a sealing cover 4 is installed on one side of the heat preservation furnace body 2 through the screw 401, a moving plate 402 is installed at the bottom of the sealing cover 4, a moving wheel 403 is installed at the bottom of the moving plate 402 through a bearing seat, the heat preservation furnace body 2 is connected with the sealing cover 4 through the screw 401, a worker can conveniently assemble the sealing cover 4 and the heat preservation furnace body 2, the sealing cover 4 is supported by the moving plate 402, the worker pushes the moving plate 402 to enable the moving wheel 403 to rotate so as to drive the sealing cover 4 to move, the worker is not required to manually carry the sealing cover 4, the worker can conveniently operate, a stirring rod 5 penetrates through the inner side of the sealing cover 4, a motor 501 is installed at one end of the stirring rod 5, a stirring blade 502 is installed on the outer side of the stirring rod 5, the motor 501 operates to drive the stirring rod 5 to rotate, the stirring rod 5 rotates to drive the stirring blade 502 on the outer side to rotate, the stirring blade 502 rotates to stir the material, the uniform material income is ensured when the material is prevented from standing at one position, and the product quality is improved;

referring to fig. 1 and 2, the present invention provides an embodiment: a high-temperature vacuum furnace with a heat insulation structure for processing special graphite;

example two: the vacuum suction furnace comprises a heat preservation furnace body 2, a suction pipe 6 is installed on the other side of the heat preservation furnace body 2 in a penetrating mode, an electromagnetic valve 602 is installed on the outer side of the suction pipe 6, a vacuum pump 601 is installed at one end of the suction pipe 6, the vacuum pump 601 operates to draw air of the suction pipe 6, in the air suction process, the electromagnetic valve 602 is automatically opened to ensure that the interior of the suction pipe 6 is smooth, negative pressure is generated in the suction pipe 6 and can suck air pressure in the heat preservation furnace body 2, so that the interior of the heat preservation furnace body 2 is kept in a vacuum state, the vacuum pump 601 is installed at the top of a bottom plate 1 through bolts, the vacuum pump 601 is located on one side, away from a fixing seat 201, of a water tank 7 is installed at the top of the bottom plate 1, the water tank 7 is located on one side of the fixing seat 201, the suction pipe 6 is located on the inner side of the water tank 7, a water inlet valve 701 is installed on the outer wall of the front side of the water tank 7 in a penetrating mode, and a drain valve 702 is installed on the outer wall of the front side of the water tank 7 in a penetrating mode, the drain valve 702 is located below the water inlet valve 701, in the process of sucking air by the suction pipe 6, the temperature of the air is too high, the vacuum pump 601 can be damaged, the air returns to the inner side of the water tank 7 under the guidance of the suction pipe 6, the water tank 7 is filled with low-temperature water, the water can suck out heat in the suction pipe 6, when the air reaches the inside of the vacuum pump 601, the temperature cannot damage the vacuum pump 601, the safety of the vacuum pump 601 is guaranteed, the water inlet valve 701 on the water tank 7 is connected with a water delivery device, water is injected into the inside of the water tank 7, and then the drain valve 702 is connected with a drain pipe to drain the water, so that the temperature of the water is kept unchanged.

The working principle is as follows: open control valve 301 material from connector 302 through control valve 301 carry annotate in the material pipe 3, carry the inside of blowing case 204 with the material by annotating material pipe 3 again, then close control valve 301, then heater strip 203 circular telegram generates heat through its internal resistance, make heater strip 203 heat inboard blowing case 204, the inside temperature of blowing case 204 risees, heat the material, the air of suction pipe 6 is extracted in the operation of vacuum pump 601 simultaneously, at inspiratory in-process, solenoid valve 602 is automatic to be opened, guarantee the inside unobstructed of suction pipe 6, the inside negative pressure that produces of suction pipe 6, can absorb the inside atmospheric pressure of holding furnace body 2, make the inside of holding furnace body 2 keep the vacuous state.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Claims

1. The utility model provides a special type is high temperature vacuum furnace for graphite processing with insulation construction, includes bottom plate (1) and heat preservation furnace body (2), its characterized in that: the top of the bottom plate (1) is provided with a fixed seat (201) through a bolt, the top of the fixed seat (201) is provided with a heat-insulating furnace body (2), and the top wall of the heat-insulating furnace body (2) is provided with a material injection pipe (3) in a penetrating way;

a screw (401) is installed on one side of the heat-preserving furnace body (2) in a threaded manner, a sealing cover (4) is installed on one side of the heat-preserving furnace body (2) through the screw (401), and a stirring rod (5) penetrates through the inner side of the sealing cover (4);

the other side of the heat preservation furnace body (2) is provided with a suction pipe (6) in a penetrating mode, the top of the bottom plate (1) is provided with a water tank (7), the water tank (7) is located on one side of the fixing seat (201), and the suction pipe (6) is located on the inner side of the water tank (7).

2. The high-temperature vacuum furnace with the heat preservation structure for processing special graphite according to claim 1, characterized in that: heat preservation heat-resistant layer (202) are installed to the inboard of heat preservation furnace body (2), the inboard of heat preservation heat-resistant layer (202) is encircleed and is installed heater strip (203), blowing case (204) are installed to the inboard of heat preservation heat-resistant layer (202), blowing case (204) are located the outside of puddler (5), run through on the roof of heat preservation furnace body (2) and heat preservation heat-resistant layer (202) and install atmospheric pressure and detect table (205), run through on the roof of heat preservation furnace body (2) and heat preservation heat-resistant layer (202) and install temperature and detect table (206), and temperature detects table (206) and is located atmospheric pressure and detects table (205) and annotate between material pipe (3).

3. The high-temperature vacuum furnace with the heat preservation structure for processing special graphite according to claim 1, characterized in that: the top of notes material pipe (3) is installed control valve (301), and connector (302) are installed to the top of control valve (301).

4. The high-temperature vacuum furnace with the heat preservation structure for processing special graphite according to claim 1, characterized in that: and a moving plate (402) is installed at the bottom of the closing cover (4), and a moving wheel (403) is installed at the bottom of the moving plate (402) through a bearing seat.

5. The high-temperature vacuum furnace with the heat preservation structure for processing special graphite according to claim 1, characterized in that: a motor (501) is installed at one end of the stirring rod (5), and a stirring blade (502) is installed on the outer side of the stirring rod (5).

6. The high-temperature vacuum furnace with the heat preservation structure for processing special graphite according to claim 1, characterized in that: solenoid valve (602) are installed in the outside of straw (6), and vacuum pump (601) is installed to the one end of straw (6), and vacuum pump (601) pass through the bolt and install the top at bottom plate (1), and vacuum pump (601) are located one side that fixing base (201) were kept away from in water tank (7).

7. The high-temperature vacuum furnace with the heat preservation structure for processing special graphite according to claim 1, characterized in that: the water inlet valve (701) is installed on the outer wall of the front face of the water tank (7) in a penetrating mode, the drain valve (702) is installed on the outer wall of the front face of the water tank (7) in a penetrating mode, and the drain valve (702) is located below the water inlet valve (701).