An opening and closing mechanism for a preheater

Abstract

The cam is secured to the first and second ends of the cam, and the cam is secured to the second end of the cam.

Description

Technical field

[0001] The present invention relates to the field of reaction containers, and in particular to an opening and closing mechanism for a preheater. [Background Technology]

[0002] A reaction vessel is a container used to complete physical and chemical reactions of a medium. In industrial production, especially in the chemical, pharmaceutical, fertilizer, and refining industries, reaction vessels are widely used as a pressure-bearing equipment due to process needs.

[0003] See also Figure 1 , which is one of the reaction vessels, including a cylinder 1' and an internal part 2' arranged in the cylinder 1', the tube-side medium enters from the upper tube-side medium inlet 3', then reacts with the catalyst below after heat exchange through the heat exchange tube, and finally goes out through the tube-side medium outlet 4' below the reaction vessel, the shell-side medium enters from the shell-side medium inlet 5' on one side of the reaction vessel, and then goes out from the shell-side medium outlet 6' on the other side of the reaction vessel. The defect of this type of reaction vessel is that the catalyst reaction requires the equipment to reach a certain process temperature, and the catalyst will also generate heat during normal reaction. Therefore, when this type of reactor is working normally, the catalyst will generate heat, so the equipment temperature meets the process requirements. However, when the equipment is just started, because the catalyst has not yet reacted to generate heat, the temperature inside the equipment cannot meet the process temperature requirements, resulting in the tube-side medium and the catalyst being unable to react when the equipment is just started.

[0004] Therefore, it is necessary to set a preheater under the lower tube plate in the reaction vessel to solve this problem. In this way, when the equipment is just started, the tube-side medium coming out of the lower tube plate is heated by the preheater and then reacts with the catalyst below. When the equipment is used normally, the heat generated by the catalyst reaction no longer requires preheating. Therefore, an opening and closing mechanism needs to be set on the preheater. When heating is required, the opening and closing mechanism is closed to form a preheating chamber. When the catalyst generates heat and no heating is required, the opening and closing mechanism is opened.

[0005] The present invention aims to provide such an opening and closing mechanism for a preheater. [Summary of the invention]

[0006] In order to solve the above problems, the object of the present invention is to provide an opening and closing mechanism for a preheater which has a simple structure and is easy to open and close.

[0007] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: an opening and closing mechanism for a preheater, comprising: a support assembly, an opening and closing plate assembly, a handle assembly and a lock assembly, the support assembly comprising: a first shaft seat and a second shaft seat, the first shaft seat and the second shaft seat are respectively welded to the reaction vessel body, the opening and closing plate assembly comprises: a rotating shaft, a plurality of joints, a plurality of ribs, a plurality of connecting plates and a plurality of angle steel pieces, a plurality of joints are sleeved on the rotating shaft in an interval shape, the joints are connected to the rotating shaft through a first fixing member, a rib plate is correspondingly welded to each joint, the connecting plates are arranged on both sides of the rib plate and are respectively welded to the rib plate and the rotating shaft, the angle steel pieces are respectively welded to the rib plate and the connecting plate, One end of the rotating shaft is supported on the first shaft seat, and the other end of the rotating shaft is supported on the second shaft seat, and the rotating shaft is sleeved with a shaft sleeve, and the shaft sleeve is welded to the rotating shaft, one end of the first shaft seat is provided with a limiting groove that cooperates with the shaft sleeve, and the other end of the first shaft seat is provided with a filler and a pressure cover that cooperates with the rotating shaft, and the pressure cover and the first shaft seat are connected by a second fixing member, and the handle assembly includes: a handle cover and a handle welded to the handle cover, the handle cover is sleeved on the rotating shaft and connected to the rotating shaft through a connecting member, and the lock assembly includes a lock member and a lock plate, the lock member is provided on the handle, the lock plate is fixed to the first shaft seat, and the lock plate is provided with a lock hole that cooperates with the lock member.

[0008] Preferably, a preheater opening and closing mechanism in the present invention is further configured as follows: the locking component includes: a protective tube, a sealing plate, a positioning pin, a spring and an operating plate, the protective tube is welded inside the handle, the sealing plate is welded to one end of the protective tube, the positioning pin is passed through the protective tube and both free ends of the positioning pin protrude out of the protective tube, the positioning pin includes a main body and a retaining ring portion provided on the main body, the spring is provided in the protective tube and sleeved on the main body of the positioning pin, one of the free ends of the spring abuts against the retaining ring portion of the positioning pin, the other free end of the spring abuts against the inner wall of the protective tube, and the operating plate is welded to the end of the positioning pin.

[0009] Preferably, a preheater opening and closing mechanism in the present invention is further configured as follows: the locking hole includes an open position locking hole and a closed position locking hole, and the open position locking hole and the closed position locking hole are both distributed on a circle with the center of the rotating shaft as the center and the distance between the center of the positioning pin and the center of the rotating shaft as the radius.

[0010] Preferably, the opening and closing mechanism for a preheater in the present invention is further configured as follows: the locking plate is arranged in a fan shape.

[0011] Preferably, the opening and closing mechanism for a preheater in the present invention is further configured as follows: a plurality of rib plates and a plurality of connecting plates together form an entire opening and closing plate.

[0012] Preferably, the opening and closing mechanism for a preheater in the present invention is further configured as follows: the angle steel piece is arranged on the outer peripheral edge of the opening and closing plate.

[0013] Preferably, the opening and closing mechanism for a preheater in the present invention is further configured such that the opening and closing plate and the handle are arranged at an angle of 50° to 60°.

[0014] Preferably, the opening and closing mechanism for a preheater in the present invention is further configured such that: the first fixing member and the second fixing member are both bolts.

[0015] Preferably, the opening and closing mechanism for a preheater in the present invention is further configured as follows: the connecting member is a pin.

[0016] Preferably, the opening and closing mechanism for a preheater in the present invention is further configured as follows: the filler is a ceramic fiber rope.

[0017] Compared with the prior art, the present invention has the following beneficial effects: the opening and closing mechanism for the preheater in the present invention can ensure the stability of the position of the opening and closing plate regardless of whether it is in the open position or the closed position by providing a lock assembly, thereby improving the working stability; in addition, the opening and closing plate assembly in the present invention is composed of multiple components such as a rotating shaft, a joint, a rib plate, a connecting plate and an angle steel piece, thereby greatly improving the structural strength of the opening and closing plate; and the opening and closing mechanism in the present invention can drive the opening and closing plate to rotate by turning the handle, which is easy to operate.

Brief Description of the Drawings

[0018] Figure 1 It is a structural schematic diagram of a reaction container in the prior art.

[0019] Figure 2 It is a schematic diagram of the main structure of the opening and closing mechanism in the present invention.

[0020] Figure 3 It is a side structural schematic diagram of the opening and closing mechanism in the present invention.

[0021] Figure 4 For the Figure 2 Schematic diagram of the cross-sectional structure of AA shown.

[0022] Figure 5 It is a schematic cross-sectional structural diagram of the handle assembly.

[0023] Figure 6 for Figure 5 A partial enlarged view of point B in the middle.

[0024] Figure 1 Middle: 1', cylinder, 2', internals, 3', tube-side medium inlet, 4', tube-side medium outlet, 5', shell-side medium inlet, 6', shell-side medium outlet.

[0025] Figures 2 to 6 : In: 1. Support assembly, 10. First shaft seat, 100. Limiting groove, 11. Second shaft seat, 2. Opening and closing plate assembly, 20. Rotating shaft, 21. Joint, 22. Rib plate, 23. Connecting plate, 24. Angle steel, 25. Bushing, 26. Filling, 27. Pressure cover, 28. Opening and closing plate, 3. Handle assembly, 30. Handle cover, 31. Handle, 32. Connecting piece, 4. Locking assembly, 40. Locking piece, 400. Casing, 401. Sealing plate, 402. Positioning pin, 4020. Main body, 4021. Retaining ring, 403. Spring, 404. Operating panel, 41. Locking plate, 410. Locking hole, 4100. Locking hole for open position, 4101. Locking hole for closed position, 42. Middle connecting plate. [Specific implementation method]

[0026] The following is a further detailed description of the opening and closing mechanism for a preheater according to the present invention through specific embodiments.

[0027] Ginseng Figures 2 to 6 As shown, a preheater opening and closing mechanism includes: a support assembly 1, an opening and closing plate assembly 2, a handle assembly 3 and a lock assembly 4, the support assembly 1 includes: a first shaft seat 10 and a second shaft seat 11, the first shaft seat 10 and the second shaft seat 11 are respectively welded to the reaction vessel body, the opening and closing plate assembly 2 includes: a rotating shaft 20, a plurality of joints 21, a plurality of ribs 22, a plurality of connecting plates 23 and a plurality of angle steel pieces 24, a plurality of joints 21 are arranged on the rotating shaft 20 in an interval shape, and the joints 21 are connected to the rotating shaft 20 by a first fixing member (not shown). In this embodiment, the first fixing member is a bolt. A rib plate 22 is welded to each joint 21, and the connecting plates 23 are arranged on both sides of the rib plate 22 and are respectively welded to the rib plate 22 and the rotating shaft 20. The angle steel pieces 24 are respectively welded to the rib plate 22 and the connecting plates 23. Several rib plates 22 and several connecting plates 23 together form an entire opening and closing plate 28. The angle steel pieces 24 are arranged on the outer edge of the opening and closing plate 28. One end of the rotating shaft 20 is supported on the first shaft seat 10, and the other end of the rotating shaft 20 is supported on the second shaft seat 11. A shaft sleeve 25 is provided on the rotating shaft 20, and the shaft sleeve 25 is welded to the rotating shaft 20. One end of the first shaft seat 10 is provided with a limiting groove 100 that cooperates with the shaft sleeve 25, so as to realize axial limitation of the rotating shaft 20. The other end of the first shaft seat 10 is provided with a filler 26 and a pressure cover 27 that cooperate with the rotating shaft 20. The pressure cover 27 is connected to the first shaft seat 10 through a second fixing member (not shown). In this embodiment, the second fixing member is a bolt, and the filler 26 is a ceramic fiber rope.

[0028] The handle assembly 3 includes: a handle cover 30 and a handle 31 welded to the handle cover 30. The handle cover 30 is sleeved on the rotating shaft 20 and connected to the rotating shaft 20 through a connecting member 32. The handle 31 is set at an angle of 50° to 60° to the opening and closing plate 28. In this embodiment, the handle 31 is set at an angle of 55° to the opening and closing plate 28. The connecting member 32 is a pin, and the function of the pin is to prevent the handle cover 30 from rotating with the rotating shaft 20. The locking assembly 4 includes a locking member 40 and a locking plate 41. The locking member 40 is arranged on the handle 31, and the locking plate 41 is fixed to the first shaft seat 10. In this embodiment, the locking plate 41 is fixed to the first shaft seat 10 by an intermediate connecting plate 42, that is, the intermediate connecting plate 42 is welded to the first shaft seat 10, and the locking plate 41 is welded to the intermediate connecting plate 42. The locking plate 41 is fan-shaped, and the locking plate 41 is provided with a locking hole 410 that cooperates with the locking member 40. The locking hole 410 includes an open position locking hole 4100 and a closed position locking hole 4101. The open position locking hole 4100 and the closed position locking hole 4101 are both distributed on a circumference with the center of the rotating shaft 20 as the center and the distance between the center of the locating pin 402 and the center of the rotating shaft 20 as the radius, thereby ensuring that the position of the locating pin 402 during the rotation of the handle 31 can just correspond to the position of the locking hole 410. The locking component 40 includes: a protective tube 400, a sealing plate 401, a positioning pin 402, a spring 403 and an operating plate 404. The protective tube 400 is welded to the handle 31, the sealing plate 401 is welded to one end of the protective tube 400, the positioning pin 402 is passed through the protective tube 400 and the two free ends of the positioning pin 402 protrude out of the protective tube 400, the positioning pin 402 includes a main body 4020 and a retaining ring portion 4021 provided on the main body 4020, the spring 403 is provided in the protective tube 400 and sleeved on the main body 4020 of the positioning pin 402, one of the free ends of the spring 403 abuts against the retaining ring portion 4021 of the positioning pin 402, and the other free end of the spring 403 abuts against the inner wall of the protective tube 400, and the operating plate 404 is welded to the end of the positioning pin 402.

[0029] The working principle of the opening and closing mechanism for the preheater of the present invention is as follows: when operating, the handle 31 is rotated. Since the handle cover 30 is connected to the rotating shaft 20 by a pin, the rotating shaft 20 is driven to rotate. Since the rotating shaft 20 is connected to the opening and closing plate 28, the rotation of the rotating shaft 20 drives the opening and closing plate 28 to rotate together to realize the opening and closing of the opening and closing plate 28. The locking plate 41 is correspondingly provided with an open position locking hole 4100 and a closed position locking hole 4101. When the opening and closing plate 28 is rotated to the open position (that is, the handle 31 is rotated to the opening position of the locking plate 41), the locking plate 41 is opened. When the operator releases the operating plate 404, the compressed spring 403 rebounds, thereby driving the positioning pin 402 to insert into the open position locking hole 4100 of the locking plate 41, thereby realizing the positioning lock in the open position. The locking operation in the closed position refers to the locking operation in the open position, and the principles of the two are the same.

[0030] In summary, the opening and closing mechanism for the preheater in the present invention is equipped with a locking assembly 4, which can ensure the stability of the position of the opening and closing plate 28 regardless of whether it is in the open position or the closed position, thereby improving the working stability. In addition, the opening and closing plate assembly 2 in the present invention is composed of multiple components such as the rotating shaft 20, the joint 21, the rib plate 22, the connecting plate 23 and the angle steel part 24, thereby greatly improving the structural strength of the opening and closing plate 28. Moreover, the opening and closing mechanism in the present invention can drive the opening and closing plate 28 to rotate by turning the handle 31, which is easy to operate.

[0031] The above embodiments are merely illustrative of the principles and effects of the present invention, as well as some embodiments of its application, and are not intended to limit the present invention. It should be noted that a person skilled in the art can make several modifications and improvements without departing from the inventive concept of the present invention, and these modifications and improvements all fall within the scope of protection of the present invention.

Claims

1. An opening and closing mechanism for a preheater, characterized in that: include: The support assembly, the opening and closing plate assembly, the handle assembly and the lock assembly, the support assembly includes: a first shaft seat and a second shaft seat, the first shaft seat and the second shaft seat are respectively welded to the reaction container body, the opening and closing plate assembly includes: a rotating shaft, a plurality of joints, a plurality of ribs, a plurality of connecting plates and a plurality of angle steel pieces, a plurality of joints are sleeved on the rotating shaft in an interval shape, the joints and the rotating shaft are connected by a first fixing member, a rib is welded to each joint, the connecting plates are arranged on both sides of the rib and are respectively welded to the rib and the rotating shaft, The angle steel piece is welded to the rib plate and the connecting plate respectively, one end of the rotating shaft is supported on the first shaft seat, and the other end of the rotating shaft is supported on the second shaft seat. A shaft sleeve is provided on the rotating shaft, and the shaft sleeve is welded to the rotating shaft. One end of the first shaft seat is provided with a limiting groove that matches the shaft sleeve, and the other end of the first shaft seat is provided with a filler and a pressure cover that matches the rotating shaft, and the pressure cover is connected to the first shaft seat by a second fixing piece. The handle assembly includes: a handle cover and a handle welded to the handle cover, and the handle cover is provided on the rotating shaft and connected to the rotating shaft The shafts are connected by a connecting piece, and the lock assembly includes a lock piece and a lock plate, the lock piece is arranged on the handle, the lock plate is fixed to the first shaft seat, the lock plate is provided with a lock hole that matches the lock piece, the lock piece includes: a protective tube, a sealing plate, a positioning pin, a spring and an operating plate, the protective tube is welded in the handle, the sealing plate is welded to one end of the protective tube, the positioning pin is passed through the protective tube and the two free ends of the positioning pin protrude out of the protective tube, the positioning pin includes a main body and a retaining ring portion arranged on the main body, the The spring is arranged in the protective tube and sleeved on the main body of the locating pin. One of the free ends of the spring abuts against the retaining ring portion of the locating pin, and the other free end of the spring abuts against the inner wall of the protective tube. The operating plate is welded to the end of the locating pin. The locking hole includes an open position locking hole and a closed position locking hole. The open position locking hole and the closed position locking hole are both distributed on a circumference with the center of the rotating shaft as the center and the distance between the center of the locating pin and the center of the rotating shaft as the radius. The first fixing member and the second fixing member are both bolts.

2. The opening and closing mechanism for a preheater according to claim 1, characterized in that: The locking plate is arranged in a fan shape.

3. The opening and closing mechanism for a preheater according to claim 1, characterized in that: A plurality of rib plates and a plurality of connecting plates together form an entire opening and closing plate.

4. The opening and closing mechanism for a preheater according to claim 3, characterized in that: The angle steel piece is arranged on the outer peripheral edge of the opening and closing plate.

5. The opening and closing mechanism for a preheater according to claim 3, characterized in that: The opening and closing plate and the handle are arranged at an angle of 50° to 60°.

6. The opening and closing mechanism for a preheater according to claim 1, characterized in that: The connecting member is a pin.

7. The opening and closing mechanism for a preheater according to claim 1, characterized in that: The filler is ceramic fiber rope.

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