CN220912016U - High-temperature furnace for graphite felt production - Google Patents

Abstract

The utility model discloses a high-temperature furnace for producing graphite felts, which relates to the technical field of fixation of pre-oxidized felts and comprises a furnace body and a furnace cover, wherein an electric heating plate is arranged on the inner wall of the furnace body, a fixed seat is fixedly arranged on the lower wall surface of the central position of the furnace cover, a support rod is fixedly and vertically inserted in the fixed seat, a pair of fixing rings are sleeved on the support rod, a pair of upper cross rods and a pair of lower cross rods are respectively and fixedly arranged on the fixing rings, an upper fixing mechanism is respectively arranged on the pair of upper cross rods, a lower fixing mechanism is respectively arranged on the pair of lower cross rods, a cavity is arranged in the lower wall surface of the furnace body, a support rod is arranged below the upper cover, an upper cross rod and a lower cross rod are respectively arranged on the support rod, and when the furnace cover is used, the felts are horizontally spread and clamped between the air-drying rods and the C-shaped plates respectively, so that the furnace is convenient to heat treatment.

Description

High-temperature furnace for graphite felt production

Technical Field

The utility model relates to the technical field of graphite felt production, in particular to a high-temperature furnace for graphite felt production.

Background

The graphite felt is divided into asphalt-based, polyacrylonitrile-based and viscose-based graphite felts according to the different selection of the original felt, and is mainly used as a heat preservation and insulation material of a monocrystalline silicon smelting furnace, and can be used as a filtering material of a high-purity corrosive chemical reagent in the chemical industry.

In the production process of the graphite felt, a high-temperature furnace is required to carry out high-temperature heating treatment on raw material felts, the existing equipment is very simple in heating treatment on the raw material felts, the raw material felts are only put in the furnace for heating treatment, in the treatment process, the felts are stacked mutually to cause uneven heating, the outermost felt is treated firstly, the inner middle position felt is treated finally, the outer side and the inner side form a time difference, the whole heating treatment time is long, and meanwhile, the condition that the felt treatment effect is inconsistent and the felt returns to the furnace for reheating treatment is also caused; after the felt is heated, the felt needs to wait for the natural cooling in the furnace to be cooled to below 100 ℃ to be opened for taking materials, the felts stacked together are slow to heat and poor in cooling, and the felt needs a long time to be cooled to 100 ℃, so that the felt is inconvenient to use.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a high-temperature furnace for producing graphite felt, which solves the technical problem that the felt stacking heating and cooling effects of the existing device are poor.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a graphite is high temperature furnace for felt production, includes furnace body and bell, install the electric plate on the furnace body inner wall, fixed mounting has the fixing base on the lower wall of central point put of bell, fixing base internal fixation perpendicular cartridge has the bracing piece, the cover is equipped with a pair of solid fixed ring on the bracing piece, a pair of gu fixed mounting has a pair of horizontal pole and a pair of bottom end rail respectively on the solid fixed ring, a pair of all install fixed establishment on the horizontal pole, a pair of bottom end rail all installs down fixed establishment, be equipped with the cavity in the furnace body lower wall, fixed mounting has a pair of insulation board on the both sides inner wall of cavity, a pair of install the conducting strip on the insulation board respectively, be equipped with contact mechanism in the cavity.

Preferably, the contact mechanism comprises a slide bar vertically movably inserted in the upper wall surface of the cavity, a disc is fixedly sleeved outside the slide bar and positioned in the cavity, a spring is sleeved outside the lower end of the slide bar, the upper end and the lower end of the spring are respectively connected with the lower wall surface of the disc and the lower wall surface of the cavity, an arc-shaped conducting strip is arranged on the lower wall surface of the disc, a sleeve is fixedly arranged at the bottom of the furnace body, the lower end of the support bar is inserted into the sleeve, and the upper end of the slide bar penetrates through the bottom of the sleeve and is in contact with the lower end of the support bar.

Preferably, the upper fixing mechanism comprises a pair of circular rings sleeved on the upper cross rod, the lower ends of the pair of circular rings are connected with a airing rod, a groove is formed in the airing rod, a clamping plate is arranged in the groove, a threaded rod is connected in the airing rod in an internal rotation mode, one end of the threaded rod is connected with the clamping plate in a rotating mode, a pair of sliding blocks are movably inserted in the airing rod, and the sliding blocks are connected with the clamping plate in a movable mode.

Preferably, the lower fixing mechanism comprises a T-shaped sliding groove arranged in the lower cross beam, a T-shaped sliding block is movably inserted in the T-shaped sliding groove, a C-shaped plate is fixedly connected to the upper end of the T-shaped sliding block, a second clamping plate is arranged in the C-shaped plate, a pull rod is movably inserted in the C-shaped plate, a second spring is sleeved outside the pull rod, the pull rod is connected with the second clamping plate, and two ends of the second spring are respectively connected with the second clamping plate and the C-shaped plate.

Preferably, the upper end of the furnace body is provided with an annular groove, the lower wall surface of the furnace cover is fixedly provided with an annular check ring, the annular check ring is inserted into the annular groove, the side wall of the annular groove is internally provided with an air pipe, and the air pipe is provided with a valve.

Preferably, two pairs of hanging rings are arranged on the upper wall surface of the furnace cover.

Preferably, the upper cross bar is provided with a limiting block and a bolt.

Preferably, a pair of the circular rings are located between the limiting block and the bolt.

Advantageous effects

The utility model provides a high-temperature furnace for producing graphite felt, which has the beneficial effects that a supporting rod is arranged below an upper cover, an upper cross rod and a lower cross rod are arranged on the supporting rod, a airing rod and a C-shaped plate are respectively arranged on the upper cross rod and the lower cross rod, and the felt is spread and clamped between the airing rod and the C-shaped plate respectively when in use, so that the heating treatment is convenient, the felt stacking is avoided by the design, and the heating and the cooling are very convenient.

The furnace body is provided with a cavity below, a pair of conducting strips are arranged in the cavity, one conducting strip can be electrically connected with an electric heating plate wire, the other conducting strip can be electrically connected with a power supply circuit wire of the electric heating plate, therefore, the electric heating plate can form a complete circuit only after the furnace cover is completely covered on the furnace body, heating in the furnace body can be realized through switch control, the furnace body is provided with very high safety, a subsequent passage can be realized only after the furnace cover is completely covered on the furnace body, the electric heating plate can work, otherwise, the electric heating plate cannot be heated, the effect of safety protection is achieved for workers, and sudden heating safety accidents under the condition that the furnace cover or the furnace door is not tightly opened and closed are avoided.

Drawings

Fig. 1 is a front cross-sectional view of the present utility model.

Fig. 2 is an enlarged partial schematic view of the cavity of the present utility model.

Fig. 3 is a bottom view of the disk of the present utility model.

Fig. 4 is a bottom view of the inventive pole.

Fig. 5 is a side view of the lower beam of the present utility model.

In the figure: 1. a furnace body; 2. an electric heating plate; 3. an air pipe; 4. a furnace cover; 5. an annular retainer ring; 6. a hanging ring; 7. a support rod; 8. a fixing seat; 9. a fixing ring; 10. a limiting block; 11. an upper cross bar; 12. a plug pin; 13. a circular ring; 14. airing the rods; 15. a C-shaped plate; 16. a lower cross beam; 17. a sleeve; 18. a slide bar; 19. a disc; 20. a spring; 21. arc-shaped conductive sheets; 22. a conductive sheet; 23. an insulating plate; 24. a clamping plate; 25. a threaded rod; 26. a pull rod; 27. a second clamping plate; 28. t-shaped sliding blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the high-temperature furnace for graphite felt production comprises a furnace body 1 and a furnace cover 4, wherein an electric heating plate 2 is arranged on the inner wall of the furnace body 1, a fixed seat 8 is fixedly arranged on the lower wall surface of the central position of the furnace cover 4, a support rod 7 is fixedly and vertically inserted in the fixed seat 8, a pair of fixed rings 9 are sleeved on the support rod 7, a pair of upper cross rods 11 and a pair of lower cross rods 16 are respectively and fixedly arranged on the fixed rings 9, upper fixing mechanisms are respectively arranged on the pair of upper cross rods 11, lower fixing mechanisms are respectively arranged on the pair of lower cross rods 16, a cavity is arranged in the lower wall surface of the furnace body 1, a pair of insulating plates 23 are fixedly arranged on the inner walls of the two sides of the cavity, conductive sheets 22 are respectively arranged on the pair of insulating plates 23, and a contact mechanism is arranged in the cavity;

The electric plate 2 belongs to the existing mature technology, is used for heating the inside of the furnace body 1, a pair of conducting strips 22 are arranged in a cavity, one circuit in the electric plate 2 is led into the cavity and is respectively connected with the pair of conducting strips 22, when the arc-shaped conducting strips 21 downwards contact the pair of conducting strips 22, the circuit is communicated, and then after a switch is started, the electric plate 2 is in a working state, otherwise, the electric plate 2 cannot work, and the circuit connection mode of the structure belongs to the common general knowledge of the prior art, so that the connecting structure is not described in detail, and the main purpose of the design is as follows: only after the furnace cover 4 is completely covered on the furnace body 1, the supporting rod 7 can downwards press the disc 19 through the sliding rod 18, so that the arc-shaped conducting plates 21 are contacted with the pair of conducting plates 22, and then the electric heating plate 2 can work, which is a safety mechanism, and the accident caused by heating work under the condition that the furnace cover 4 is not tightly closed can be avoided.

Further, the contact mechanism comprises a slide bar 18 vertically movably inserted in the upper wall surface of the cavity, a disc 19 is fixedly sleeved outside the slide bar 18 and located in the cavity, a spring 20 is sleeved outside the lower end of the slide bar 18, the upper end and the lower end of the spring 20 are respectively connected with the lower wall surface of the disc 19 and the lower wall surface of the cavity, an arc-shaped conducting strip 21 is arranged on the lower wall surface of the disc 19, a sleeve 17 is fixedly arranged at the bottom of the furnace body 1, the lower end of the supporting rod 7 is inserted into the sleeve 17, and the upper end of the slide bar 18 penetrates through the bottom of the sleeve 17 and is in contact with the lower end of the supporting rod 7.

Further, the upper fixing mechanism comprises a pair of circular rings 13 sleeved on the upper cross rod 11, the lower ends of the pair of circular rings 13 are connected with a airing rod 14, a groove is formed in the airing rod 14, a clamping plate 24 is arranged in the groove, a threaded rod 25 is connected in the airing rod 14 in a rotating mode, one end of the threaded rod 25 is connected with the clamping plate 24 in a rotating mode, a pair of sliding blocks are movably inserted in the airing rod 14, and the pair of sliding blocks are connected with the clamping plate 24.

Further, the lower fixing mechanism comprises a T-shaped chute arranged in the lower cross beam 16, a T-shaped sliding block 28 is movably inserted in the T-shaped chute, the upper end of the T-shaped sliding block 28 is fixedly connected with a C-shaped plate 15, a second clamping plate 27 is arranged in the C-shaped plate 15, a pull rod 26 is movably inserted in the C-shaped plate 15, a second spring is sleeved outside the pull rod 26, the pull rod 26 is connected with the second clamping plate 27, and two ends of the second spring are respectively connected with the second clamping plate 27 and the C-shaped plate 15;

The airing rod 14 is matched with the C-shaped plate 15 to clamp the upper end and the lower end of the felt, so that the felt is unfolded, and the heating and the cooling are facilitated.

Further, an annular groove is formed in the upper end of the furnace body 1, an annular retainer ring 5 is fixedly mounted on the lower wall surface of the furnace cover 4, the annular retainer ring 5 is inserted into the annular groove, an air pipe 3 is mounted in the side wall of the annular groove, and a valve is arranged on the air pipe 3.

Further, two pairs of hanging rings 6 are arranged on the upper wall surface of the furnace cover 4.

Further, a limiting block 10 and a plug pin 12 are arranged on the upper cross rod 11.

Further, a pair of the rings 13 is located between the limiting block 10 and the latch 12.

All electric components in the scheme are connected with an adaptive power supply through wires by a person skilled in the art, and an appropriate controller is selected according to actual conditions so as to meet control requirements, specific connection and control sequences, and the electric connection is completed by referring to the following working principles in the working sequence among the electric components, wherein the detailed connection means are known in the art, and the following main description of the working principles and processes is omitted from the description of electric control.

Examples: when the electric heating furnace is used, firstly, the airing rod 14 and the C-shaped plate 15 are sleeved at two ends of a felt, then the pull rod 26 is pulled to put one end of the felt into the C-shaped plate 15, the pull rod 26 is loosened, then the second clamping plate 27 clamps one end of the felt into the C-shaped plate 15 under the action of the second spring, then the threaded rod 25 is rotated, the other end of the felt is clamped into the airing rod 14 through the clamping plate 24, then the T-shaped sliding block 28 at the lower end of the C-shaped plate 15 is inserted into the lower cross beam 16, the pair of circular rings 13 at the upper end of the airing rod 14 are sleeved on the upper cross beam 11, then the bolts 12 are inserted into the upper cross beam 11 to be matched with the limiting blocks 10 to fix the pair of circular rings 13 on the upper cross beam 11, then the furnace cover 4 is mounted on the furnace body 1 in a hoisting mode, at the moment, the lower end of the supporting rod 7 is inserted into the sleeve 17, then the sliding rod 18 is pressed downwards, the sliding rod 18 drives the circular disc 19 to move downwards, the left end and the right end of the arc-shaped conducting piece 21 are respectively contacted with the pair of conducting pieces 22 to form a passage, and then the electric heating plate 2 can be started, and the processing is convenient.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.

Claims (8)

1. The utility model provides a high temperature furnace for graphite felt production, includes furnace body (1) and bell (4), install electric plate (2) on furnace body (1) inner wall, its characterized in that, fixed mounting has fixing base (8) on the lower wall of central point of bell (4), fixing base (8) internal fixation perpendicular cartridge has bracing piece (7), the cover is equipped with a pair of solid fixed ring (9) on bracing piece (7), a pair of guy rod (11) and a pair of underbeam (16) of solid fixed ring (9) are gone up respectively, a pair of all install fixed establishment on going up horizontal rod (11), a pair of underbeam (16) are all installed down fixed establishment, be equipped with the cavity in the wall under furnace body (1), a pair of insulation board (23) are gone up to fixed mounting on the both sides inner wall of cavity, a pair of installation conducting strip (22) on insulation board (23) respectively, be equipped with contact mechanism in the cavity.

2. The high-temperature furnace for producing graphite felt according to claim 1, wherein the contact mechanism comprises a sliding rod (18) vertically movably inserted in the upper wall surface of the cavity, a disc (19) is fixedly sleeved outside the sliding rod (18) and positioned in the cavity, a spring (20) is sleeved outside the lower end of the sliding rod (18), the upper end and the lower end of the spring (20) are respectively connected with the lower wall surface of the disc (19) and the lower wall surface of the cavity, an arc-shaped conducting strip (21) is arranged on the lower wall surface of the disc (19), a sleeve (17) is fixedly arranged at the bottom of the furnace body (1), the lower end of the supporting rod (7) is inserted in the sleeve (17), and the upper end of the sliding rod (18) penetrates through the bottom of the sleeve (17) and is in contact with the lower end of the supporting rod (7).

3. The high-temperature furnace for producing graphite felt according to claim 1, wherein the upper fixing mechanism comprises a pair of circular rings (13) sleeved on the upper cross rod (11), the lower ends of the pair of circular rings (13) are connected with a airing rod (14), grooves are formed in the airing rod (14), clamping plates (24) are arranged in the grooves, threaded rods (25) are screwed in the airing rod (14), one ends of the threaded rods (25) are rotatably connected with the clamping plates (24), a pair of sliding blocks are movably inserted in the airing rod (14), and the pair of sliding blocks are connected with the clamping plates (24).

4. The high-temperature furnace for graphite felt production according to claim 1, wherein the lower fixing mechanism comprises a T-shaped chute arranged in the lower cross beam (16), a T-shaped sliding block (28) is movably inserted in the T-shaped chute, the upper end of the T-shaped sliding block (28) is fixedly connected with a C-shaped plate (15), a second clamping plate (27) is arranged in the C-shaped plate (15), a pull rod (26) is movably inserted in the C-shaped plate (15), a second spring is sleeved outside the pull rod (26), the pull rod (26) is connected with the second clamping plate (27), and two ends of the second spring are respectively connected with the second clamping plate (27) and the C-shaped plate (15).

5. The high-temperature furnace for graphite felt production according to claim 1, wherein an annular groove is formed in the upper end of the furnace body (1), an annular retainer ring (5) is fixedly arranged on the lower wall surface of the furnace cover (4), the annular retainer ring (5) is inserted into the annular groove, an air pipe (3) is arranged in the side wall of the annular groove, and a valve is arranged on the air pipe (3).

6. The high-temperature furnace for producing graphite felt according to claim 1, wherein two pairs of hanging rings (6) are arranged on the upper wall surface of the furnace cover (4).

7. A high temperature furnace for producing graphite felt according to claim 3, wherein the upper cross bar (11) is provided with a limiting block (10) and a bolt (12).

8. A furnace for the production of graphite felt according to claim 7, characterized in that a pair of said rings (13) are located between said stopper (10) and the pin (12).