Safety pressure relief component of reaction kettle

Abstract

The utility model discloses a safety pressure relief component of a reaction kettle, which belongs to the technical field of auxiliary components of reaction kettles and comprises a kettle cover, a circular housing is fixedly connected to the upper side wall of the kettle cover, four pressure relief holes communicated with the circular housing are formed in the upper side wall of the kettle cover, and the four pressure relief holes are arranged at equal intervals in a surrounding manner by taking the circle center of the circular housing as the circle center. A sealing mechanism used for sealing the four pressure relief holes is arranged in the circular cover shell, and four air guide holes corresponding to the four pressure relief holes are formed in the upper side wall of the circular cover shell in a communicating mode. According to the reaction kettle, the sealing cover can completely cover the pressure relief hole to seal the pressure relief hole by arranging the sealing mechanism, so that the sealing effect on the reaction kettle is realized, the pressure relief mechanism can perform pressure relief protection on the reaction kettle and can adjust the pressure relief strength, and the device not only has the function of pressure relief protection, but also has the function of pressure relief protection. And the function of requiring full sealing or vacuum can also be met.

Description

TECHNICAL FIELD

[0001] The utility model relates to reaction kettle auxiliary component technical field, specifically a kind of safety pressure relief component of reaction kettle. BACKGROUND

[0002] Reaction kettle is widely used in petroleum, chemical industry, rubber, pesticide, dye, pharmaceutical and food and other fields, is used to complete vulcanization, nitration, hydrogenation, alkylation, polymerization, condensation and other process pressure vessel, for example, reactor, reaction pot, decomposition pot, polymerization kettle, etc., when using, the material in reaction kettle will produce certain gas, so that the pressure in kettle body becomes big, at this time, pressure relief assembly is needed to protect the kettle body.

[0003] In a kind of reaction kettle pressure relief structure of China patent (patent No. CN220969074U), the device includes the kettle body of external setting, the base of kettle body bottom end setting, the discharge pipe of kettle body bottom end middle part setting and the discharge valve of discharge pipe installation, still include stirring motor and pressure relief assembly, the one side of kettle body top is provided with pressure relief assembly, the device structure is novel, ingenious, it is convenient to carry out pressure relief to kettle body, keep the pressure balance in kettle body, simultaneously, it can carry out balanced pressure adjustment, strong applicability, but, the device is only provided with one pressure relief assembly on the kettle cover of reaction kettle, and the pressure relief efficiency is low, and under some special conditions, reaction kettle needs to reach completely sealed or vacuum condition to use, and the pressure relief assembly is difficult to meet the requirement. SUMMARY

[0004] The utility model aims at providing a kind of safety pressure relief component of reaction kettle, to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of safety pressure relief component of reaction kettle, including kettle cover, the upper side wall of kettle cover is fixedly connected with round cover shell, the upper side wall of kettle cover is equipped with four pressure relief holes being communicated with round cover shell, four the pressure relief hole is equidistantly arranged around with the center of round cover shell as center, the round cover shell is equipped with sealing mechanism for sealing four pressure relief holes, the upper side wall of round cover shell is communicated with four guide holes corresponding with four pressure relief holes, the upper side wall of round cover shell is fixedly connected with four pressure relief mechanisms corresponding with four guide holes respectively;

[0006] The sealing mechanism comprises a shell fixed to the side wall of the circular cover shell, a front side wall of the shell is fixedly connected with a stepping motor, a main shaft end of the stepping motor penetrates into the shell and is fixedly connected with a worm, an inner wall of the shell is rotationally connected with a worm wheel in meshing connection with the worm through a rotating shaft, one end of the rotating shaft penetrates into the circular cover shell and is fixedly connected with an outer ring gear, an inner wall of the circular cover shell is rotationally connected with four circular gears in meshing connection with the outer ring gear through a rotating shaft, the four circular gears are arranged at equal intervals and surround the outer ring gear, the inner wall of the circular cover shell is fixedly connected with four limiting rods, four racks in meshing connection with the four circular gears respectively are sleeved and slidably connected on the four limiting rods, and one side of the rack is fixedly connected with a cover corresponding to the pressure relief hole.

[0007] As a further scheme of the utility model: wherein, the pressure relief mechanism includes a cylinder fixed on the side wall of the circular cover shell and communicated with the air guide hole, the two side walls of the cylinder are provided with exhaust ports, the upper side wall of the cylinder is fixedly connected with a column shell, the upper end of the column shell is inserted and rotationally connected with a lead screw, the upper end of the lead screw is fixedly connected with a hand wheel block, the lead screw is threadedly connected with a nut block, the lower side wall of the nut block is fixedly connected with two vertical rods, the lower ends of the two vertical rods penetrate into the cylinder and are fixedly connected with a lifting plate, the lower side wall of the lifting plate is fixedly connected with a hydraulic rod, the lower end of the hydraulic rod is fixedly connected with a pressure relief plug, a compression spring is fixedly connected between the lifting plate and the pressure relief plug, and the lower end of the pressure relief plug passes through the air guide hole and is tightly arranged against the pressure relief hole.

[0008] As a further scheme of the utility model: wherein, the upper side wall of the cylinder is provided with two through holes communicated with the column shell, and the two vertical rods pass through the two through holes respectively.

[0009] As a further scheme of the utility model: wherein, the outer side wall of the rotating shaft and the penetration hole inner wall of the worm wheel and the outer ring gear are fixedly connected in a welding manner.

[0010] As a further scheme of the utility model: wherein, the side wall of the rack is provided with a limiting sliding cavity, and the limiting rod is slidably connected with the limiting sliding cavity.

[0011] As a further scheme of the utility model: wherein, the lower side wall of the cover is arranged against the upper side wall of the pressure relief hole.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The utility model discloses a sealing mechanism is set up, when the reaction kettle needs to realize the effect of complete sealing, can start the stepping motor work, because the worm and the worm wheel engage, can drive the fixed outer gear ring of shaft rotation, because the outer gear ring is engaged with four circular gear respectively, four circular gear synchronous rotation, because four circular gear and four racks engage, four racks synchronous displacement, until driving the sealing cover completely covers the pressure relief hole and seals it, thereby realize the sealing effect of reaction kettle, improve the use range.

[0014] 2. The utility model discloses a pressure relief mechanism is set up, when needing pressure relief, pressure relief plug and pressure relief hole are in the state of abutting, when the pressure in the reaction kettle is too large, lifts the pressure relief plug, at this moment, the compression spring and hydraulic rod are extruded and contract, the high-pressure gas in the reaction kettle is into the cylinder through the pressure relief hole, and then is discharged to the outside through the exhaust port to achieve the effect of pressure relief protection, when rotating hand wheel block, can drive the screw rod rotation, at this moment, the nut block is forced to move down, drives the lifting plate fixed with the vertical rod and moves down, can extrude and contract the hydraulic rod and compression spring and increase the elasticity, thereby change pressure relief intensity. DRAWINGS

[0015] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0016] Figure 2 It is the overhead section structure schematic diagram of the utility model's casing;

[0017] Figure 3 It is the overhead section structure schematic diagram of the utility model's round cover shell;

[0018] Figure 4 It is the A place enlarged structure schematic diagram of the utility model's Figure 3

[0019] Figure 5 It is the front view section structure schematic diagram of the utility model's cylinder and cylinder shell.

[0020] The corresponding relationship between the various drawing marks and component names in the drawing is as follows:

[0021] 1, kettle cover, 2, round cover shell, 3, pressure relief hole, 4, gas guide hole, 5, casing, 6, stepping motor, 7, worm, 8, shaft, 9, worm wheel, 10, outer gear ring, 11, rotating shaft, 12, circular gear, 13, limit rod, 14, rack, 15, sealing cover, 16, cylinder, 17, exhaust port, 18, cylinder shell, 19, screw rod, 20, hand wheel block, 21, nut block, 22, vertical rod, 23, lifting plate, 24, hydraulic rod, 25, pressure relief plug, 26, compression spring, 27, limit sliding cavity. DETAILED DESCRIPTION

[0022] ​In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, the present application will be further described in detail below in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described herein are only intended to explain the present application and not to limit the present application.

[0023] Please refer to Figures 1-5 In the utility model, a kind of safety pressure relief components of reaction kettle, the upper side wall of kettle cover 1 is fixedly connected with round cover shell 2, the upper side wall of kettle cover 1 is equipped with four pressure relief holes 3 being communicated with round cover shell 2, four pressure relief holes 3 are set around with the center of round cover shell 2 as center with equal interval, sealing mechanism for sealing four pressure relief holes 3 is equipped in round cover shell 2, the upper side wall of round cover shell 2 is communicated with four air guide holes 4 being correspondingly arranged with four pressure relief holes 3, the upper side wall of round cover shell 2 is fixedly connected with four pressure relief mechanisms being correspondingly arranged with four air guide holes 4 respectively, the reaction kettle not only has the function of pressure relief protection, but also can meet the function suitable for needing full sealing or vacuum;

[0024] Sealing mechanism includes the shell 5 being fixed on the upper side wall of round cover shell 2, the front side wall of shell 5 is fixedly connected with stepper motor 6, the main shaft end of stepper motor 6 is penetrated into shell 5 and is fixedly connected with worm 7, the inner wall of shell 5 is rotatably connected with worm wheel 9 being meshed with worm 7 by pivot 8, one end of pivot 8 is penetrated into round cover shell 2 and is fixedly connected with outer gear ring 10, the inner wall of round cover shell 2 is rotatably connected with four circular gear wheels 12 being meshed with outer gear ring 10 by rotating shaft 11, four circular gear wheels 12 are set around with equal interval, the inner wall of round cover shell 2 is fixedly connected with four limit rods 13, four limit rods 13 are all sleeved and slidably connected with rack 14 being meshed with four circular gear wheels 12 respectively, one side of rack 14 is fixedly connected with cover 15 being correspondingly arranged with pressure relief hole 3, when reaction kettle needs to realize the effect of complete sealing, stepper motor 6 can be started to work, since worm 7 is meshed with worm wheel 9, it can drive outer gear ring 10 fixed with pivot 8 to rotate, since outer gear ring 10 is meshed with four circular gear wheels 12 respectively, four circular gear wheels 12 rotate synchronously at this time, since four circular gear wheels 12 are meshed with four racks 14, four racks 14 are displaced synchronously at this time, until cover 15 completely covers pressure relief hole 3 to seal it, so that the sealing effect of reaction kettle is realized, and the use range is improved, on the contrary, when pressure relief protection is needed, cover 15 can be separated from pressure relief hole 3, and pressure relief plug 25 of pressure relief mechanism can be abutted against pressure relief hole 3.

[0025] As Figure 1 And Figure 5As shown: pressure relief mechanism includes fixed on the side wall of the round cover 2 and with the air guide hole 4 set up the cylinder 16, the two sides of the side wall of the cylinder 16 are provided with exhaust port 17, the upper side wall of the cylinder 16 is fixedly connected with the column shell 18, the upper end of the column shell 18 is inserted and rotationally connected with the screw rod 19, the upper end of the screw rod 19 is fixedly connected with the hand wheel block 20, the screw rod 19 is threadedly connected with the nut block 21, the lower side wall of the nut block 21 is fixedly connected with two vertical rods 22, the lower ends of the two vertical rods 22 are fixedly connected with the lifting plate 23, the lower side wall of the lifting plate 23 is fixedly connected with the hydraulic rod 24, the lower end of the hydraulic rod 24 is fixedly connected with the pressure relief plug 25, the pressure relief plug 25 is fixedly connected between the lifting plate 23 and the pressure relief plug 25, the lower end of the pressure relief plug 25 passes through the air guide hole 4 and is abuttingly arranged with the pressure relief hole 3, when pressure relief is needed, the pressure relief plug 25 is in abutting state with the pressure relief hole 3, when the pressure in the reaction kettle is too large, the pressure relief plug 25 is lifted, at this time, the compression spring 26 and the hydraulic rod 24 are extruded and contracted, the high-pressure gas in the reaction kettle passes through the pressure relief hole 3, enters the cylinder 16 through the air guide hole 4, and is discharged to the outside through the exhaust port 17 to achieve the effect of pressure relief protection, when the hand wheel block 20 is rotated, the screw rod 19 is rotated, since the screw rod 19 is threadedly connected with the nut block 21, at this time, the nut block 21 is forced to move downward, the lifting plate 23 fixed with the vertical rod 22 is moved downward, the hydraulic rod 24 and the compression spring 26 can be extruded and contracted to increase the elastic force, so that the pressure relief intensity is changed, secondly, when the reaction kettle needs to be completely sealed, the hand wheel block 20 is reversed, at the same time, the pressure relief plug 25 is moved upward, only the height at which the cover 15 can be displaced to the pressure relief hole 3 to block it needs to be reserved.

[0026] As shown in Figure 5 : the upper side wall of the cylinder 16 is provided with two through holes communicated with the column shell 18, the two vertical rods 22 pass through the two through holes, facilitating the displacement of the vertical rod 22.

[0027] As shown in Figure 2 and Figure 3 : the outer side wall of the rotating shaft 8 is fixedly connected with the inner wall of the through hole of the worm wheel 9 and the outer gear ring 10 by welding, which is firm and reliable.

[0028] As shown in Figure 4 : the side wall of the rack 14 is provided with a limiting sliding cavity 27, the limiting rod 13 is slidingly connected with the limiting sliding cavity 27, facilitating the displacement of the rack 14 on the limiting rod 13.

[0029] As shown in Figure 4 : the lower side wall of the cover 15 is abuttingly arranged with the upper side wall of the pressure relief hole 3, ensuring the sealing property of the pressure relief hole 3.

[0030] Working principle: when the pressure relief is needed, the pressure relief plug 25 is in close contact with the pressure relief hole 3, when the pressure in the reactor is too high, the pressure relief plug 25 is lifted, at this time, the compression spring 26 and the hydraulic rod 24 are extruded and contracted, the high pressure gas in the reactor passes through the pressure relief hole 3, then enters the cylinder 16 through the gas guide hole 4, and then is discharged to the outside through the exhaust port 17 to achieve the pressure relief protection effect, when the hand wheel block 20 is rotated, the lead screw 19 is driven to rotate, since the lead screw 19 is in threaded connection with the nut block 21, at this time, the nut block 21 is forced to move downward, driving the lifting plate 23 fixed with the vertical rod 22 to move downward, the hydraulic rod 24 and the compression spring 26 can be extruded and contracted to increase the elastic force, so that the pressure relief intensity is changed, secondly, when the reactor needs to be completely sealed, the hand wheel block 20 can be reversed, at the same time, the pressure relief plug 25 is lifted, only the height at which the cover 15 can be displaced to the pressure relief hole 3 to block it is reserved;

[0031] When the reactor needs to achieve the effect of complete sealing, the stepper motor 6 can be started, since the worm 7 is in meshing connection with the worm wheel 9, the outer ring gear 10 fixed with the rotating shaft 8 can be driven to rotate, since the outer ring gear 10 is in meshing connection with the four circular gears 12 respectively, at this time, the four circular gears 12 are synchronously rotated, since the four circular gears 12 are in meshing connection with the four racks 14, at this time, the four racks 14 are synchronously displaced, until the cover 15 completely covers the pressure relief hole 3 to seal it, so that the sealing effect of the reactor is realized, the use range is improved, on the contrary, when the pressure relief protection is needed, only the cover 15 is separated from the pressure relief hole 3, and the pressure relief plug 25 of the pressure relief mechanism is in close contact with the pressure relief hole 3.

[0032] The above is only the preferred specific implementation mode of the present application, but the protection scope of the present application is not limited to this, any skilled person in the technical field according to the technical scheme and the application concept of the present application within the technical range disclosed by the present application can be equivalently replaced or changed, which should be covered in the protection scope of the present application.

Claims

1. A safety pressure relief component for a reaction vessel, comprising a vessel cover (1), characterized in that, The upper side wall of the vessel lid (1) is fixedly connected to a circular cover (2). The upper side wall of the vessel lid (1) is provided with four pressure relief holes (3) that are connected to the circular cover (2). The four pressure relief holes (3) are arranged in a circle with the center of the circular cover (2) as the center. The circular cover (2) is provided with a sealing mechanism for sealing the four pressure relief holes (3). The upper side wall of the circular cover (2) is connected to four air guide holes (4) that are corresponding to the four pressure relief holes (3). The upper side wall of the circular cover (2) is fixedly connected with four pressure relief mechanisms that are respectively connected to the four air guide holes (4). The sealing mechanism includes a housing (5) fixed to the upper side wall of the circular cover (2). A stepper motor (6) is fixedly connected to the front side wall of the housing (5). The main shaft of the stepper motor (6) passes through the housing (5) and is fixedly connected to a worm gear (7). A worm wheel (9) that meshes with the worm gear (7) is rotatably connected to the inner wall of the housing (5) via a rotating shaft (8). One end of the rotating shaft (8) passes through the circular cover (2) and is fixedly connected to an external gear ring (10). The inner wall of the shell (2) is rotatably connected to four spur gears (12) that mesh with the outer gear ring (10) via a rotating shaft (11). The four spur gears (12) are arranged in a circle at equal intervals. The inner wall of the shell (2) is fixedly connected to four limiting rods (13). Each of the four limiting rods (13) is fitted with and slidably connected to a rack (14) that meshes with the four spur gears (12). A cover (15) corresponding to the pressure relief hole (3) is fixedly connected to one side of the rack (14).

2. The safety pressure relief component for a reaction vessel according to claim 1, characterized in that, The pressure relief mechanism includes a cylinder (16) fixed to the upper side wall of the cylindrical shell (2) and connected to the air vent (4). Both sides of the cylinder (16) have exhaust ports (17). A cylindrical shell (18) is fixedly connected to the upper side wall of the cylinder (16). A lead screw (19) is inserted into and rotatably connected to the upper end of the lead screw (18). A handwheel block (20) is fixedly connected to the upper end of the lead screw (19). A nut block (21) is threaded onto the lead screw (19). The lower end of the nut block (21)... Two uprights (22) are fixedly connected to the side wall. The lower ends of the two uprights (22) pass through the cylinder (16) and are fixedly connected to a lifting plate (23). A hydraulic rod (24) is fixedly connected to the lower side wall of the lifting plate (23). A pressure relief plug (25) is fixedly connected to the lower end of the hydraulic rod (24). A compression spring (26) is fixedly connected between the lifting plate (23) and the pressure relief plug (25). The lower end of the pressure relief plug (25) passes through the air guide hole (4) and is pressed against the pressure relief hole (3).

3. A safety pressure relief component for a reaction vessel according to claim 2, characterized in that, The upper side wall of the cylinder (16) has two through holes that communicate with the column shell (18), and the two uprights (22) pass through the two through holes respectively.

4. A safety pressure relief component for a reaction vessel according to claim 1, characterized in that, The outer wall of the rotating shaft (8) is fixedly connected to the inner wall of the through hole of the worm gear (9) and the external gear ring (10) by welding.

5. A safety pressure relief component for a reaction vessel according to claim 1, characterized in that, The rack (14) has a limiting cavity (27) on its side wall, and the limiting rod (13) is slidably connected to the limiting cavity (27).

6. A safety pressure relief component for a reaction vessel according to claim 1, characterized in that, The lower sidewall of the cover (15) abuts against the upper sidewall of the pressure relief hole (3).

Images