Still kettle with impurity removal structure

Abstract

The utility model relates to the technical field of building material processing, in particular to a still kettle with an impurity removal structure, which comprises a still kettle body, a pressurizing pipe and a pressure relief pipe are arranged on the side wall of the still kettle body, and a sealing cover is hinged to an opening at the front end of the still kettle body through a supporting arm. The outer diameter of the sealing cover is equal to the inner diameter of the opening of the still kettle body; a T-shaped sliding rail extending from the front end to the inner rear wall is arranged at the top end of the inner wall of the still kettle body, an impurity removal mechanism is slidably connected to the T-shaped sliding rail and comprises a sliding block, a sliding groove used for being slidably connected with the T-shaped sliding rail is formed in the middle of the sliding block in a penetrating mode, and a gear is rotatably connected to the lower end of the middle of the sliding block. A rotating shaft of the gear penetrates through the side wall of the sliding block and then is coaxially connected with a motor, an impurity removal arc cutter matched with the inner side of the still kettle body in size is arranged on the outer side of the sliding block, and the impurity removal arc cutter is fixedly connected with the sliding block. According to the utility model, the interior of the still kettle can be subjected to impurity removal treatment.

Description

Technical Field

[0001] The utility model relates to the technical field of building material processing, in particular to an autoclave with an impurity removal structure. Background Art

[0002] Autoclave, also known as steam curing autoclave or pressure autoclave, is a large pressure vessel with a large volume and heavy weight. Autoclave has a wide range of uses, and is widely used in the autoclave curing of aerated concrete blocks, concrete pipe piles, lime sand bricks, fly ash bricks, microporous calcium silicate boards, new lightweight wall materials, thermal insulation asbestos boards, high-strength gypsum and other building materials, completing the hydrothermal reaction of Cao-SiO2-H2O in the autoclave. It is also widely used in rubber products, wood drying and anti-corrosion treatment, heavy metal smelting, refractory bricks infiltration of oil and coal, glass curing, high-pressure treatment of chemical fiber products, high-temperature and high-pressure treatment of canned food, pulp cooking, cable vulcanization, fishing net shaping, as well as chemical, pharmaceutical, aerospace industry, thermal insulation materials, textile industry, military industry and other production projects that require pressure curing production process.

[0003] For example, the patent with publication number CN216262530U discloses an autoclave system, including an autoclave body, the bottom of the autoclave body is fixedly connected with a de-impurity mechanism connected to the inside thereof, the de-impurity mechanism includes: a storage tank; the two ends of the outside of the storage tank are respectively fixedly connected with connecting pipes connected to the inside thereof, and the autoclave body and the storage tank are connected through the connecting pipe. The utility model drives the threaded rod to rotate by rotating the motor, so that the threaded rod drives the cleaning block to move inside the assembly box when rotating, and then the output end of the cleaning block concentrates the impurities inside the storage tank to one end inside the storage tank, and finally the sealing cover is opened by rotating the sealing handle to complete the cleaning of the inside of the autoclave, realizing the use of a simple mechanical structure instead of manual labor to complete the cleaning of the impurities inside the autoclave, reducing the labor intensity of the staff and indirectly improving the production efficiency.

[0004] Although the above scheme can use mechanical structure to replace manual work to complete the cleaning of impurities inside the autoclave, reducing the labor intensity of the staff, its structure is complex, the production cost is high, and the cleaning is not thorough, and the debris and corroded parts adhering to the inner wall of the autoclave cannot be thoroughly cleaned. In view of this, we propose an autoclave with an impurity removal structure. Utility Model Content

[0005] The utility model aims to provide an autoclave with an impurity removal structure to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] An autoclave with an impurity removal structure comprises an autoclave body, a pressure-increasing pipe and a pressure-relieving pipe are arranged on the side wall of the autoclave body, a sealing cover is hingedly connected to the front end of the autoclave body through a support arm, and the outer diameter of the sealing cover is equal to the inner diameter of the autoclave body at the opening; a T-shaped slide rail is arranged on the top of the inner wall of the autoclave body extending from the front end to the inner rear wall, and an impurity removal mechanism is slidably connected to the T-shaped slide rail;

[0008] The impurity removal mechanism includes a slider having a slide groove extending through the middle for sliding connection with the T-shaped slide rail, a gear is rotatably connected to the lower middle end of the slider, the shaft of the gear passes through the side wall of the slider and is coaxially connected to a motor, an impurity removal arc knife matched with the inner size of the autoclave body is provided on the outer side of the slider, and the impurity removal arc knife is fixedly connected to the slider.

[0009] Preferably, an extension arm is provided on the outer wall of one side of the front end of the autoclave body, the extension arm is hinged to one end of the support arm, the end of the support arm away from the extension arm is rotatably connected to a connecting shaft set at the center of the top surface of the front end of the sealing cover, and the support arm is made of metal that is not easily deformed.

[0010] Preferably, a hinged portion is provided near the middle of the support arm, a hydraulic cylinder is hinged on the hinged portion, a piston rod of the hydraulic cylinder is hinged to the hinged arm established on the arc surface at the front end of the sealing cover, and the hydraulic cylinder controls the sealing cover to rotate in a through hole opened at one end of the support arm by extending and retracting the piston rod.

[0011] Preferably, a plurality of protrusions are evenly arranged on the arc outer wall of the sealing cover, a plurality of sealing grooves are provided on the inner side wall of the front end of the autoclave body, and an embedding groove matched with the size of the plurality of protrusions is provided on the front end surface of the autoclave body. When the sealing cover is closed, the plurality of protrusions on the circumferential edge of the sealing cover pass through the embedding grooves and enter the sealing groove. When the piston rod of the hydraulic cylinder contracts to control the sealing cover to rotate in the sealing groove, the two inner walls of the sealing groove are in close contact with the front and rear surfaces of the protrusions.

[0012] Preferably, a spur rack is provided in the middle of the bottom surface of the T-shaped slide rail, and the spur rack is meshed with the gear. The motor drives the gear meshed with the spur rack to rotate, thereby indirectly controlling the movement of the debris removal mechanism on the T-shaped slide rail.

[0013] Preferably, the impurity removing arc knife comprises two arc knives arranged opposite to each other, the tops of the two arc knives are welded with connecting parts for connecting with the slider, the inner shape and size of the connecting parts are adapted to the outer size of the slider, and a flat knife is welded and fixed between the bottoms of the two arc knives.

[0014] Preferably, the maximum outer diameter of the curved knife abuts against the arc surface of the inner wall of the autoclave body, a storage platform is provided at the bottom end of the interior of the autoclave body, the bottom end of the flat knife abuts against the top surface of the storage platform, the curved knife and the flat knife are fixedly connected by welding, and the curved knife and the flat knife are used to cut attachments on the inner wall of the autoclave body.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The autoclave with impurity removal structure realizes the sealing and explosion-proof treatment of the autoclave by sliding and engaging the convex block on the sealing cover with the sealing groove, which greatly reduces the probability of safety accidents and improves safety and stability.

[0017] 2. The autoclave with impurity removal structure is designed with a mobile impurity removal mechanism, which controls the impurity removal arc knife to clean the impurities on the inner wall of the autoclave through the meshing transmission of the spur rack at the bottom of the T-shaped slide rail and the gear of the impurity removal mechanism. The impurity removal mechanism is simple and compact in design and easy to produce, which improves the impurity removal effect while reducing the production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a cross-sectional view of the structure in the utility model;

[0020] Figure 3 It is a working front view in the utility model;

[0021] Figure 4 It is a schematic diagram of a local structure in the utility model;

[0022] Figure 5 It is an exploded diagram of the structure in the utility model.

[0023] In the figure:

[0024] 1. Autoclave body; 11. Pressurizing pipe; 12. Pressure relief pipe; 13. T-type slide rail; 130. Straight rack; 14. Storage platform; 15. Extension arm; 16. Sealing slot;

[0025] 2. Support arm; 21. Articulated portion;

[0026] 3. Sealing cover; 31. Connecting shaft; 32. Articulated arm; 33. Bump;

[0027] 4. Hydraulic cylinder;

[0028] 5. Debris removal mechanism; 51. Sliding block; 52. Gear; 53. Motor; 54. Debris removal arc knife; 540. Connecting point; 541. Arc knife; 542. Flat knife. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the utility model to clearly and completely describe the technical solution in the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figure 1-5 , this embodiment provides a technical solution:

[0031] An autoclave with an impurity removal structure comprises an autoclave body 1, a pressure-increasing pipe 11 and a pressure-relieving pipe 12 are arranged on the side wall of the autoclave body 1, a sealing cover 3 is hingedly connected to the front end of the autoclave body 1 through a support arm 2, and the outer diameter of the sealing cover 3 is equal to the inner diameter of the autoclave body 1 at the opening; a T-shaped slide rail 13 extending from the front end to the inner rear wall is arranged on the top of the inner wall of the autoclave body 1, and an impurity removal mechanism 5 is slidably connected to the T-shaped slide rail 13;

[0032] The impurity removal mechanism 5 includes a slider 51 with a slide groove for sliding connection with the T-shaped slide rail 13, a gear 52 is rotatably connected to the lower middle end of the slider 51, and the rotating shaft of the gear 52 passes through the side wall of the slider 51 and is coaxially connected to a motor 53. An impurity removal arc knife 54 that is adapted to the inner size of the autoclave body 1 is provided on the outer side of the slider 51, and the impurity removal arc knife 54 is fixedly connected to the slider 51.

[0033] Furthermore, an extension arm 15 is provided on the outer wall of one side of the front end of the autoclave body 1, and the extension arm 15 is hinged to one end of the support arm 2. The end of the support arm 2 away from the extension arm 15 is rotatably connected to a connecting shaft 31 set at the center of the top surface of the front end of the sealing cover 3, and the support arm 2 is made of metal that is not easily deformed.

[0034] Furthermore, a hinged portion 21 is provided near the middle of the support arm 2, and a hydraulic cylinder 4 is hinged on the hinged portion 21. The piston rod of the hydraulic cylinder 4 is hinged to a hinged arm 32 set on the arc surface at the front end of the sealing cover 3. The hydraulic cylinder 4 controls the coaxial rotation of the sealing cover 3 in the through hole opened at one end of the support arm 2 by extending and retracting the piston rod.

[0035] Furthermore, a plurality of protrusions 33 are evenly arranged on the arc outer wall of the sealing cover 3, a plurality of sealing grooves 16 are provided on the inner side wall of the front end of the autoclave body 1, and an embedding groove matched with the size of the plurality of protrusions 33 is provided on the front end surface of the autoclave body 1. When the sealing cover 3 is closed, the plurality of protrusions 33 on the circumferential edge of the sealing cover 3 pass through the embedding groove and enter the sealing groove 16, and the piston rod of the hydraulic cylinder 4 contracts to control the sealing cover 3 to rotate in the sealing groove 16. The two inner walls of the sealing groove 16 are tightly connected with the front and rear surfaces of the protrusions 33, and an explosion-proof structure is formed between the two.

[0036] Furthermore, a spur rack 130 is provided in the middle of the bottom surface of the T-shaped slide rail 13 , and the spur rack 130 is meshed with the gear 52 . The gear 52 meshed with the spur rack 130 is driven to rotate by the motor 53 , thereby indirectly controlling the movement of the impurity removal mechanism 5 on the T-shaped slide rail 13 .

[0037] Furthermore, the impurity removing arc knife 54 includes two arc knives 541 arranged opposite to each other, and a connection 540 for connecting with the slider 51 is welded and fixed on the top of the two arc knives 541. The inner shape and size of the connection 540 are adapted to the outer size of the slider 51, and a flat knife 542 is welded and fixed between the bottoms of the two arc knives 541.

[0038] In addition, the maximum outer diameter of the curved knife 541 abuts against the arc surface of the inner wall of the autoclave body 1, a storage platform 14 is provided at the bottom end of the interior of the autoclave body 1, the bottom end of the flat knife 542 abuts against the top surface of the storage platform 14, the curved knife 541 and the flat knife 542 are fixedly connected by welding, and the curved knife 541 and the flat knife 542 are used to cut attachments on the inner wall of the lower autoclave body 1.

[0039] Finally, it should be noted that the boost pipe 11, pressure relief pipe 12, hydraulic cylinder 4 and other components involved in the utility model are all universal standard parts or components known to technical personnel in this field, and their structures and principles are all known to technical personnel in this field through technical manuals or through conventional experimental methods. In the idle space of this device, all the above-mentioned electrical components, which refer to power elements, electrical components, and compatible controllers and power supplies, are connected through wires. The specific connection means should refer to the working principle of the utility model. The electrical connection between each electrical component is completed in a sequential working order, and the detailed connection means are all well-known technologies in the field.

[0040] When the autoclave with impurity removal structure of the utility model is in use, the material is placed on the storage platform 14 in the autoclave body 1, and the sealing cover 3 is driven to rotate to the opening of the autoclave body 1 through the support arm 2 hinged on the extension arm 15, and a plurality of protrusions 33 set on the circumferential outer wall of the sealing cover 3 enter the sealing card groove 16 through the embedding groove opened at the front end of the autoclave body 1; the hydraulic cylinder 4 hinged on the hinged part 21 is started, and the top of the piston rod of the hydraulic cylinder 4 is hinged to the hinged arm 32, and the connecting shaft 31 set on the top of the front end of the sealing cover 3 is rotatably connected with the through hole opened at one end of the support arm 2, The hydraulic cylinder 4 controls the piston rod to contract, and the piston rod drives the sealing cover 3 to rotate on the support arm 2, and the plurality of protrusions 33 on the circumferential wall of the sealing cover 3 rotate accordingly until they are completely engaged in the sealing groove 16, and at this time, the sealing cover 3 and the autoclave body 1 are sealed; at this time, high-temperature steam is injected into the autoclave body 1 through the booster pipe 11, and the steam injection is stopped when the air pressure in the autoclave body 1 reaches a specified threshold value. After a predetermined time, the pressure relief pipe 12 is opened, and the high-temperature and high-pressure gas in the autoclave body 1 is discharged through the pressure relief pipe 12 until the air pressure in the autoclave body 1 is balanced with the external air pressure;

[0041] At this time, the hydraulic cylinder 4 is started to rotate the sealing cover 3 until the protrusion 33 corresponds to the embedded groove position and stops, and the supporting arm 2 is pulled to open the sealing cover 3, and the material treated with high temperature and high pressure is taken out from the autoclave body 1. At this time, the motor 53 is started, and the motor 53 drives the gear 52 connected to the slider 51 to rotate, and the gear 52 is meshed with the spur rack 130 on the bottom surface of the T-shaped slide rail 13. The rotation of the gear 52 drives the slider 51 to slide at a uniform speed on the T-shaped slide rail 13, and the debris arc knife 54 fixed to the slider 51 by the welding machine through the connection 540 moves on the inner wall of the autoclave body 1 with the movement of the slider 51. During the movement of the debris arc knife 54, the arc knife 541 and the plane knife 542 on the debris arc knife 54 respectively remove the debris on the arc surface of the inner wall of the autoclave body 1 and the surface of the storage platform 14, until the debris arc knife 54 moves to the front end of the T-shaped slide rail 13 to completely remove the debris from the inside of the autoclave body 1. At this point, the impurity removal function of the machine is fully completed.

[0042] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. An autoclave with an impurity removal structure, comprising an autoclave body (1), characterized in that: The side wall of the autoclave body (1) is provided with a pressurizing pipe (11) and a pressure relief pipe (12); the front end of the autoclave body (1) is open and is hingedly connected to a sealing cover (3) via a support arm (2); the outer diameter of the sealing cover (3) is equal to the inner diameter of the open portion of the autoclave body (1); the top end of the inner wall of the autoclave body (1) is provided with a T-shaped slide rail (13) extending from the front end to the inner rear wall; the T-shaped slide rail (13) is slidably connected to a debris removal mechanism (5); The impurity removal mechanism (5) comprises a slider (51) having a slide groove extending therethrough for being slidably connected to the T-shaped slide rail (13); a gear (52) is rotatably connected to the middle lower end of the slider (51); a rotating shaft of the gear (52) passes through a side wall of the slider (51) and is coaxially connected to a motor (53); an impurity removal arc knife (54) adapted to the inner size of the autoclave body (1) is provided on the outer side of the slider (51); and the impurity removal arc knife (54) is fixedly connected to the slider (51).

2. The autoclave with impurity removal structure according to claim 1, characterized in that: An extension arm (15) is provided on an outer wall of one side of the front end of the autoclave body (1); the extension arm (15) is hinged to one end of the support arm (2); and one end of the support arm (2) away from the extension arm (15) is rotatably connected to a connection shaft (31) provided at the center of the top surface of the front end of the sealing cover (3).

3. The autoclave with impurity removal structure according to claim 2, characterized in that: A hinged portion (21) is provided near the middle of the support arm (2), a hydraulic cylinder (4) is hingedly connected to the hinged portion (21), and a piston rod of the hydraulic cylinder (4) is hingedly connected to a hinged arm (32) provided on the front arc surface of the sealing cover (3).

4. The autoclave with impurity removal structure according to claim 3, characterized in that: The arc outer wall of the sealing cover (3) is evenly arranged with a plurality of protrusions (33), the front inner wall of the autoclave body (1) is provided with a plurality of sealing grooves (16), and the front surface of the autoclave body (1) is provided with an embedding groove that matches the size of the plurality of protrusions (33).

5. The autoclave with impurity removal structure according to claim 1, characterized in that: A spur rack (130) is provided in the middle of the bottom surface of the T-shaped slide rail (13), and the spur rack (130) is meshed with the gear (52).

6. The autoclave with impurity removal structure according to claim 1, characterized in that: The impurity removing arc knife (54) comprises two arc surface knives (541) arranged opposite to each other, a connection (540) for connecting to the slider (51) is welded and fixed at the top of the two arc surface knives (541), the inner shape and size of the connection (540) are matched with the outer shape and size of the slider (51), and a flat knife (542) is welded and fixed between the bottoms of the two arc surface knives (541).

7. The autoclave with impurity removal structure according to claim 6, characterized in that: The maximum outer diameter of the arcuate knife (541) abuts against the arc surface of the inner wall of the autoclave body (1); a storage platform (14) is provided at the bottom end of the interior of the autoclave body (1); and the bottom end of the flat knife (542) abuts against the top surface of the storage platform (14).

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