Automatic pressure adjusting device for chemical reactor

Abstract

The utility model relates to the field of automatic pressure regulating valves, and discloses an automatic pressure regulating device for a chemical reactor, which comprises a pressure regulating valve and a clamping box, a first limiting plate is fixedly assembled at one end of the clamping box, an inserting groove is arranged at the other end of the clamping box, and a plurality of baffles are fixedly assembled on the inner wall of the inserting groove. And movable grooves are symmetrically formed in the end face of the other end of the clamping box and located on the two sides of the insertion groove, and movable plates are arranged in the movable grooves. According to the chemical pressure regulating valve, the clamping box is matched with the assembling flange and the fixing flange, and the problems that existing flanges are fixed through bolts and nuts, the bolts and the nuts are prone to loosening after being used for a long time, air tightness between pipelines becomes poor, and the using effect of the chemical pressure regulating valve is affected are solved.

Description

Technical Field

[0001] The utility model relates to the field of automatic pressure regulating valves, in particular to an automatic pressure regulating device for a chemical reactor. Background Art

[0002] Reactors are equipment that realize reaction processes. They are widely used in chemical, oil refining, metallurgy and other fields. Reactors are used to realize liquid single-phase reaction processes and liquid-liquid, gas-liquid, liquid-solid, gas-liquid-solid and other multiphase reaction processes. A stirring device (mechanical stirring, air flow stirring, etc.) is often provided in the reactor. When the height-diameter ratio is large, multi-layer stirring blades can be used. When the material needs to be heated or cooled during the reaction process, a jacket can be set on the reactor wall, or a heat exchange surface can be set in the reactor, or heat exchange can be carried out through external circulation.

[0003] The existing chemical reactor needs to use a chemical pressure regulating valve to adjust the internal pressure during use. However, the existing automatic pressure regulating valve for chemical reactors still has the following problems during use:

[0004] During the transportation process of the existing automatic pressure regulating valve, the connection between the pipelines relies on flange connection. Since the flanges are fixed with bolts and nuts, the bolts and nuts are prone to loosening after long-term use, which will cause the air tightness between the pipelines to deteriorate and affect the use effect of the chemical pressure regulating valve. Therefore, it is very necessary to develop an automatic pressure regulating device for chemical reactors for use in the existing field of automatic pressure regulating valves. Utility Model Content

[0005] In order to make up for the shortcomings of the prior art, the existing automatic pressure regulating valve relies on flange connection for connection between pipelines during transportation. Since the flanges are fixed with bolts and nuts, the bolts and nuts are prone to loosening after long-term use, which will cause the air tightness between the pipelines to deteriorate, affecting the use effect of the chemical pressure regulating valve. The utility model proposes an automatic pressure regulating device for a chemical reactor.

[0006] In order to achieve the above-mentioned purpose, the technical scheme of the utility model is: a chemical reactor pressure automatic regulating device, comprising a pressure regulating valve and a cartridge, one end of the cartridge is fixedly equipped with a first limit plate, the other end is provided with an insertion slot, the inner wall of the insertion slot is fixedly equipped with a plurality of baffles, the other end of the cartridge is symmetrically provided with a movable slot, the movable slot is located on both sides of the insertion slot, and a movable plate is provided in the movable slot;

[0007] The pressure regulating valve is fixedly equipped with a delivery pipe and a transmission pipe, one end of the delivery pipe and the transmission pipe are fixedly equipped with a fixed flange, one side of the fixed flange is equipped with an assembly flange, the assembly flange and the fixed flange are equipped with multiple bolts, the bolts include bolt caps and threaded rods, the threaded rods are fixedly equipped on the bolt caps, and the bolt caps are fitted with the assembly flanges, the threaded rods are threadedly equipped with nuts, the nuts are fitted with the fixed flanges, and the assembly flanges are fixedly equipped with connecting pipes, the fixed flanges and the assembly flanges are both provided with multiple groups of slots, the movable plates are plugged into the slots, and the baffles are respectively fitted with the bolt caps and the nuts.

[0008] Furthermore; a second limit plate is fixedly assembled on the card box, an external thread is fixedly assembled on the card box, the external thread is located between the first limit plate and the second limit plate, a sleeve is assembled on the card box, the sleeve is located between the first limit plate and the second limit plate, an inner wall of the sleeve is provided with an internal thread, the internal thread on the sleeve is threadedly assembled with the external thread on the card box, a shielding tube is fixedly assembled on one end of the sleeve, and the shielding tube is located on the outside of the second limit plate.

[0009] Furthermore, the number of the slots in each group is two, and the two slots in each group are respectively located on both sides of the bolt cap and the nut, and the slots are provided with card slots.

[0010] Furthermore, an operating rod is symmetrically and movably assembled on the card box, one end of the operating rod movably penetrates into the movable groove, and one end of the operating rod is fixedly connected to the movable plate, and the movable plate is movably assembled with the movable groove.

[0011] Furthermore, the operating rods are equipped with telescopic springs, both ends of which are fixedly assembled with the movable groove and the movable plate, and the outer end of the movable plate is fixedly assembled with a card block.

[0012] Furthermore, the threaded rod is located between the baffles, the end faces of the card box are respectively fitted with the assembly flange and the fixed flange surface, and the card block on the movable plate is correspondingly engaged with the card slot on the slot.

[0013] The beneficial effects of the utility model are as follows: the fixing flange of the utility model is fixed to the assembly flange by bolts, the bolt cap on the bolt fits with the surface of the assembly flange, the nut fits with the surface of the fixing flange, the operating rod is pressed respectively, so that the telescopic spring is stretched, the movable plate moves on the movable groove, the block on the baffle is inserted into the two slots of each group, when the card box fits with the fixing flange and the assembly flange respectively, and the baffle fits with the bolt cap and the nut respectively, the threaded rod is located on the inner side of the baffle, the operating rod is loosened, and under the elastic force of the telescopic spring, the block on the movable plate is correspondingly engaged with the slot on the slot, thereby fixing the bolt and nut to prevent loosening caused by long-term use. The external thread on the card box is twisted with the internal thread on the sleeve, and the sleeve rotates and moves on the card box until one end of the sleeve fits with the second limit plate, at which time the operating rod is located on the inner side of the shielding tube, avoiding the operating rod from being pressed by mistake and improving the operating effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the pressure regulating valve and the cartridge of the utility model in the separated state;

[0016] Figure 3 This is a schematic cross-sectional view of the slot of the utility model

[0017] Figure 4 This is a schematic diagram of the card box structure of the utility model;

[0018] Figure 5 It is a cross-sectional view of the card box of the utility model.

[0019] In the figure:

[0020] 10. Pressure regulating valve; 11. Delivery pipe; 12. Transmission pipe; 13. Fixed flange;

[0021] 20. Assembly flange; 21. Bolt cap; 22. Threaded rod; 23. Nut;

[0022] 30. slot; 31. connecting pipe; 32. card slot; 33. card box;

[0023] 40. Insertion slot; 41. First stop plate; 42. Second stop plate; 43. Sleeve;

[0024] 50. shielding tube; 51. movable slot; 52. baffle; 53. movable plate;

[0025] 60. Card block; 61. Operating rod; 62. Telescopic spring; 63. External thread;

[0026] 70. Internal thread. DETAILED DESCRIPTION

[0027] Example:

[0028] like Figures 1 to 5 As shown, a chemical reactor pressure automatic regulating device includes a pressure regulating valve 10, a delivery pipe 11 is fixedly mounted on the pressure regulating valve 10, a transmission pipe 12 is fixedly mounted on the pressure regulating valve 10, a fixed flange 13 is fixedly mounted on one end of the delivery pipe 11 and the transmission pipe 12, a mounting flange 20 is mounted on one side of the fixing flange 13, a plurality of bolts are mounted on the mounting flange 20 and the fixing flange 13, the bolts include a bolt cap 21 and a threaded rod 22, the threaded rod 22 is fixedly mounted on the bolt cap 21, and the bolt cap 21 is fitted with the mounting flange 20, and a nut 23 is threadedly mounted on the threaded rod 22 to fit with the fixing flange 13, A connecting pipe 31 is fixedly mounted on the assembly flange 20, and multiple groups of slots 30 are arranged on the fixed flange 13 and the assembly flange 20, each group of slots 30 has two slots, and the two slots 30 of each group are respectively located on both sides of the bolt cap 21 and the nut 23, and a card slot 32 is arranged on the slot 30, and a card box 33 is arranged on the fixed flange 13 and the assembly flange 20, and one end of the card box 33 is fixedly mounted with a first limit plate 41, and the other end of the card box 33 is provided with an insertion slot 40, and the inner wall of the insertion slot 40 is fixedly mounted with multiple baffles 52, and the other end of the card box 33 is symmetrically provided with a movable slot 51, and the movable slot 51 is located at the insertion slot 40. On both sides, the card box 33 is fixedly equipped with a second limit plate 42, and the card box 33 is fixedly equipped with an external thread 63 located between the first limit plate 41 and the second limit plate 42. The card box 33 is equipped with a sleeve 43, and the sleeve 43 is located between the first limit plate 41 and the second limit plate 42. The first limit plate 41 and the second limit plate 42 limit the movement range of the sleeve 43. The inner wall of the sleeve 43 is provided with an internal thread 70 threadedly assembled with the external thread 63 on the card box 33. One end of the sleeve 43 is fixedly equipped with a shielding tube 50, and the shielding tube 50 is located on the outside of the second limit plate 42. The card box 33 is symmetrically and movably equipped with an operating rod 61, one end of the operating rod 61 is movable and penetrates into the movable groove 51, and one end of the operating rod 61 is fixedly equipped with a movable plate 53 that moves in the movable groove 51, a telescopic spring 62 is fixedly equipped between the movable groove 51 and the movable plate 53, the operating rod 61 is assembled on the inner side of the telescopic spring 62, and a clamping block 60 is fixedly equipped on the outer end of the movable plate 53, the baffle plate 52 is respectively fitted with the bolt cap 21 and the nut 23, the threaded rod 22 is located between the baffle plates 52, and one end of the card box 33 is respectively fitted with the flange 20 and the fixed flange 13 surface, at this time, the clamping block 60 on the movable plate 53 corresponds to the clamping slot 32 on the slot 30 for clamping.

[0029] Working principle: The fixed flange 13 is fixed to the assembly flange 20 by bolts, the bolt cap 21 on the bolt fits with the surface of the assembly flange 20, the nut 23 fits with the surface of the fixed flange 13, the operating rod 61 is pressed to stretch the telescopic spring 62, the movable plate 53 moves on the movable groove 51, and the block 60 on the baffle 52 is inserted into the two slots 30 of each group. When the card box 33 fits with the fixed flange 13 and the assembly flange 20 respectively, the baffle 52 fits with the bolt cap 21 and the nut 23 respectively. 3 is fitted, the threaded rod 22 is located on the inner side of the baffle plate 52, the operating rod 61 is loosened, and under the elastic force of the telescopic spring 62, the block 60 on the movable plate 53 is correspondingly engaged with the slot 32 on the slot 30, the external thread 63 on the card box 33 and the internal thread 70 on the sleeve 43 are twisted, and the sleeve 43 rotates and moves on the card box 33 until one end of the sleeve 43 is fitted with the second limit plate 42. At this time, the operating rod 61 is located on the inner side of the shielding tube 50, avoiding the operating rod 61 from being pressed by mistake, thereby improving the operation effect.

[0030] The above-described embodiments are only preferred solutions of the present invention and are not intended to limit the present invention in any form. Other variations and modifications are possible without exceeding the technical solutions described in the claims.

[0031] In the description of the present invention, it is necessary to understand that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

Claims

1. A chemical reactor pressure automatic regulating device, characterized in that: The invention comprises a pressure regulating valve (10) and a card box (33), wherein one end of the card box (33) is fixedly equipped with a first limit plate (41), and the other end is provided with an insertion groove (40), and the inner wall of the insertion groove (40) is fixedly equipped with a plurality of baffles (52), and the other end of the card box (33) is symmetrically provided with a movable groove (51), the movable groove (51) is located on both sides of the insertion groove (40), and a movable plate (53) is provided in the movable groove (51); The pressure regulating valve (10) is fixedly equipped with a delivery pipe (11) and a transmission pipe (12); one end of each of the delivery pipe (11) and the transmission pipe (12) is fixedly equipped with a fixing flange (13); one side of the fixing flange (13) is equipped with a mounting flange (20); the mounting flange (20) and the fixing flange (13) are equipped with a plurality of bolts; the bolts include a bolt cap (21) and a threaded rod (22); the threaded rod (22) is fixedly equipped on the bolt cap (21), and the bolt cap (21) is fitted with the assembly flange (20), a nut (23) is threadedly mounted on the threaded rod (22), the nut (23) is fitted with the fixed flange (13), a connecting pipe (31) is fixedly mounted on the assembly flange (20), a plurality of slots (30) are arranged on the fixed flange (13) and the assembly flange (20), the movable plate (53) is plugged into the slots (30), and the baffle (52) is fitted with the bolt cap (21) and the nut (23) respectively.

2. The automatic pressure regulating device for a chemical reactor according to claim 1, characterized in that: The card box (33) is fixedly equipped with a second limiting plate (42), and the card box (33) is fixedly equipped with an external thread (63), and the external thread (63) is located between the first limiting plate (41) and the second limiting plate (42). The card box (33) is equipped with a sleeve (43), and the sleeve (43) is located between the first limiting plate (41) and the second limiting plate (42). The inner wall of the sleeve (43) is provided with an internal thread (70), and the internal thread (70) on the sleeve (43) is threadedly assembled with the external thread (63) on the card box (33). One end of the sleeve (43) is fixedly equipped with a shielding tube (50), and the shielding tube (50) is located on the outer side of the second limiting plate (42).

3. The automatic pressure regulating device for a chemical reactor according to claim 2, characterized in that: The number of the slots (30) in each group is two, and the two slots (30) in each group are respectively located on both sides of the bolt cap (21) and the nut (23), and the slots (30) are each provided with a clamping slot (32).

4. The automatic pressure regulating device for a chemical reactor according to claim 3, characterized in that: The card box (33) is symmetrically and movably equipped with an operating rod (61), one end of which movably penetrates into the movable groove (51), and one end of which is fixedly connected to a movable plate (53), and the movable plate (53) is movably assembled with the movable groove (51).

5. The automatic pressure regulating device for a chemical reactor according to claim 4, characterized in that: The operating rod (61) is equipped with a telescopic spring (62), and the two ends of the telescopic spring (62) are respectively fixedly assembled with the movable groove (51) and the movable plate (53), and the outer end of the movable plate (53) is fixedly assembled with a clamping block (60).

6. The automatic pressure regulating device for a chemical reactor according to claim 5, characterized in that: The threaded rod (22) is located between the baffles (52), the end faces of the card box (33) are respectively fitted with the surfaces of the assembly flange (20) and the fixed flange (13), and the card block (60) on the movable plate (53) is correspondingly engaged with the card slot (32) on the slot (30).

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