CN115228402A

CN115228402A - Prevent excessive pressure interlocking reation kettle

Info

Publication number: CN115228402A
Application number: CN202210717483.1A
Authority: CN
Inventors: 姜�远
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-23
Filing date: 2022-06-23
Publication date: 2022-10-25

Abstract

The invention discloses an excess pressure prevention interlocking reaction kettle which comprises a bearing table, wherein a kettle body is arranged on the bearing table, a kettle cover is matched on the kettle body, a connecting column is fixed on the upper surface of the kettle cover and connected with a lifting mechanism, an annular retaining ring is fixed on the lower surface of the kettle cover, a plurality of limiting plates are symmetrically connected to the bottom of the annular retaining ring, a supporting plate is fixed on the outer side wall of the kettle body, and a column gear and a reversing gear are rotatably supported on the supporting plate. Has the advantages that: at the in-process of opening the kettle cover, the internal residual pressure of cauldron is outwards released through the pressure release groove, and annular retaining ring blocks the air current simultaneously, when avoiding having the staff to stand around reation kettle, receive the air current and strike, protect on-the-spot personnel's security, the air current that flows in through the honeycomb duct in the pressure release incasement can take place the offset to reduce gaseous velocity of flow by a wide margin, the top of pressure release case is the arc, the air current after the deceleration can be by direction drainage mouth department, then outwards discharge.

Description

Prevent excessive pressure interlocking reation kettle

Technical Field

The invention relates to the technical field of chemical equipment, in particular to an excessive pressure prevention interlocking reaction kettle.

Background

Reation kettle has totally closed two kinds of forms of sealing and mechanical seal, wherein mechanical seal's use is comparatively general, traditional reation kettle adopts the locking bolt to fix the kettle cover, because reation kettle's kettle cover is most comparatively massive, it can remove to need many staff to mutually support, therefore this mode operation is very loaded down with trivial details, and conventional mechanical seal lacks the safety protection structure, when the staff opens the kettle cover, gaseous in the reation kettle can outwards spout, the staff can only protect according to self experience, cause the potential safety hazard easily.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, a reaction kettle adopting a mechanical sealing structure is complicated to operate when opened, and a safety protection structure is lacked, so that potential safety hazards are easily caused.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a prevent excessive pressure interlocking reation kettle, includes the plummer, is equipped with the cauldron body on the plummer, the cooperation has the kettle cover on the cauldron body, the last fixed surface of kettle cover has the spliced pole, the spliced pole is connected with hoist mechanism, the lower fixed surface of kettle cover has annular retaining ring, annular retaining ring's bottom symmetric connection has a plurality of limiting plates, be fixed with the backup pad on the lateral wall of the cauldron body, it has column gear and reversing gear to rotate to support in the backup pad, and column gear and reversing gear meshing transmission, the cauldron is external to be equipped with gear motor, gear motor's output shaft and column gear coaxial coupling, it has first ring gear and second ring gear to cooperate from top to bottom through the bearing on the lateral wall of the cauldron body, first ring gear and column gear meshing transmission, second ring gear and reversing gear meshing transmission, a plurality of pressure release grooves have been seted up to the symmetry on the cauldron body, every the pressure release inslot all is equipped with water conservancy diversion mechanism.

Further, the bottom integrated into one piece of kettle cover has the inner ear, the upper portion of the kettle body inlays and is equipped with first sealing washer and second sealing washer, first sealing washer is laminated mutually with the lower surface of kettle cover, the second sealing washer is laminated mutually with the inner ear.

Further, hoist mechanism includes vertical shell, fixed mounting has driving motor on the vertical shell, vertical shell internal rotation installs ball, and driving motor's output shaft rotates and runs through vertical shell and links to each other with ball's one end stationary phase, the cooperation is provided with the nut seat on the ball, be fixed with even arm on the nut seat, even the arm keeps away from ball's one end and the spliced pole is fixed continuous.

Further, the periphery fixed support of first ring gear has a plurality of first grip blocks, the periphery of second ring gear has a plurality of second grip blocks, every through bracing piece fixed support the limiting plate all is located between the corresponding first grip block in position and the second grip block.

Further, every a plurality of bar grooves have been seted up to the equidistance in both sides of limiting plate, every first grip block, second grip block are provided with a plurality of bar archs towards the equal equidistance in one side of the corresponding limiting plate, and the bellied specification of bar matches with the specification of bar groove.

Furthermore, each flow guide mechanism comprises a pressure plate, each pressure plate is connected with the inner wall of the corresponding pressure release groove in a sealing and sliding mode, a plurality of compression springs are fixedly connected between each pressure plate and the inner bottom wall of the corresponding pressure release groove, and a pressure sensor is installed on the inner bottom wall of each pressure release groove.

Furthermore, each pressure release groove is communicated with an elbow, a pressure release box is arranged on the bearing platform, each elbow is communicated with a flow guide pipe, one end, far away from the kettle cover, of each flow guide pipe extends into the pressure release box and points to the longitudinal central axis of the pressure release box, and a drainage port is formed in the side wall of the pressure release box.

The invention has the following advantages:

1. the closing and opening of the kettle cover can be remotely controlled through the controller, manual operation is not needed, the moving difficulty of the kettle cover is reduced, the safety of workers is guaranteed, and when the kettle cover is closed, the first sealing ring, the second sealing ring and the annular retainer ring can play a role in sealing, so that the reaction kettle has higher reliability;

2. in the process of opening the kettle cover, residual pressure in the kettle body is released outwards through the pressure release groove, and meanwhile, the annular retainer ring blocks airflow, so that the phenomenon that workers stand around the reaction kettle and are impacted by the airflow is avoided, and the safety of field personnel is protected;

3. the air flow flowing into the pressure release box through the guide pipe can generate impact, so that the flow velocity of the air is greatly reduced, the top of the pressure release box is arc-shaped, and the air flow after speed reduction can be guided to the drainage outlet and then discharged outwards;

4. in the process of opening the reaction kettle, the pressure detected by the pressure sensor is increased and then reduced, and when the pressure value is lower than a standard value, a worker can judge that the kettle cover can be continuously opened according to the pressure value, so that the residual pressure in the reaction kettle can be fully released;

5. after the certain angle of column gear rotation, first grip block and second grip block can carry out the centre gripping to the limiting plate simultaneously, under the bellied cooperation of bar groove and bar, the height of limiting plate can be fixed to the limiting plate links to each other with annular retaining ring is fixed, and when the internal pressure of cauldron increased, the limiting plate can play the partial pressure effect, and the pressure of avoiding linking the arm and receiving is too big, leads to nut seat and ball screw relative motion in-process appearance irregular impact.

Drawings

FIG. 1 is a schematic structural diagram of an excessive pressure prevention interlocking reaction kettle provided by the invention;

FIG. 2 is a schematic connection diagram of a column gear, a first gear ring and a second gear ring in an anti-residual pressure interlocking reaction kettle according to the invention;

FIG. 3 is a schematic structural diagram of a kettle cover and a kettle body in the excess pressure prevention interlocking reaction kettle provided by the invention;

FIG. 4 is an enlarged view of FIG. 3 at A;

fig. 5 is an enlarged view of fig. 3 at B.

In the figure: the device comprises a vertical shell 1, a ball screw 2, a driving motor 3, a connecting arm 4, a connecting column 5, a kettle cover 6, an inner ear 61, a kettle body 7, a first sealing ring 71, a second sealing ring 72, a column gear 8, a speed reducing motor 9, a bearing table 10, a draft tube 11, a discharge port 12, a pressure releasing box 13, a supporting plate 14, a reversing gear 15, a bearing 16, a first gear ring 17, a first clamping plate 18, a second gear ring 19, a supporting rod 20, a second clamping plate 21, an annular retainer ring 22, a limiting plate 23, a pressure releasing groove 24, a pressure sensor 25, a pressure plate 26, a compression spring 27 and a bent pipe 28.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, an excessive pressure preventing interlocking reaction kettle comprises a bearing table 10, a kettle body 7 is arranged on the bearing table 10, a kettle cover 6 is matched on the kettle body 7, a connecting column 5 is fixed on the upper surface of the kettle cover 6, the connecting column 5 is connected with a lifting mechanism, an annular check ring 22 is fixed on the lower surface of the kettle cover 6, the annular check ring 22 is close to the outer side of the kettle cover 6, the top of the kettle body 7 comprises an integrally formed outer edge, as shown in fig. 3, when the kettle cover 6 is placed on the kettle body 7, the inner side of the annular check ring 22 is in sealing fit with the outer edge of the kettle body 7, the height of the annular check ring 22 is slightly larger than that of the outer edge of the kettle body 7, the bottom of the annular check ring 22 is symmetrically connected with a plurality of limiting plates 23, and a supporting plate 14 is fixed on the outer side wall of the kettle body 7, the supporting plate 14 is rotatably supported with a column gear 8 and a reversing gear 15, the column gear 8 is in meshing transmission with the reversing gear 15, a speed reducing motor 9 is arranged outside the kettle body 7, an output shaft of the speed reducing motor 9 is coaxially connected with the column gear 8, a first gear ring 17 and a second gear ring 19 are matched with the outer side wall of the kettle body 7 through a bearing 16 from top to bottom, the first gear ring 17 and the second gear ring 19 can rotate relative to the kettle body 7, the first gear ring 17 is in meshing transmission with the column gear 8, the second gear ring 19 is in meshing transmission with the reversing gear 15, a plurality of pressure releasing grooves 24 are symmetrically formed in the kettle body 7, a flow guide mechanism is arranged in each pressure releasing groove 24, and the pressure releasing grooves 24 are located between the first sealing ring 71 and the annular retainer ring 22.

Referring to fig. 1-4, an inner ear 61 is integrally formed at the bottom of the kettle cover 6, a first sealing ring 71 and a second sealing ring 72 are embedded at the upper part of the kettle body 7, the first sealing ring 71 is attached to the lower surface of the kettle cover 6, the second sealing ring 72 is attached to the inner ear 61, and the arrangement of the inner ear 61 and the second sealing ring 72 improves the sealing performance of the kettle cover 6.

Referring to fig. 1, the lifting mechanism includes a vertical housing 1, a driving motor 3 is fixedly mounted on the vertical housing 1, a ball screw 2 is rotatably mounted in the vertical housing 1, an output shaft of the driving motor 3 rotates to penetrate through the vertical housing 1 and is fixedly connected with one end of the ball screw 2, a nut seat is cooperatively arranged on the ball screw 2, a connecting arm 4 is fixed on the nut seat, and one end of the connecting arm 4, far away from the ball screw 2, is fixedly connected with a connecting column 5.

Referring to fig. 1-2, the periphery of the first gear ring 17 is fixedly supported by a plurality of first clamping plates 18, the periphery of the second gear ring 19 is fixedly supported by a plurality of second clamping plates 21 through a support rod 20, each limiting plate 23 is located between the corresponding first clamping plate 18 and the corresponding second clamping plate 21, the first clamping plate 18 and the second clamping plate 21 are located at the same height, and both correspond to the middle of the limiting plate 23, in an initial state, the limiting plate 23 is located between the first clamping plate 18 and the second clamping plate 21, so after the column gear 8 rotates by a certain angle, the first clamping plate 18 and the second clamping plate 21 can simultaneously clamp the limiting plate 23, under the matching of the strip-shaped groove and the strip-shaped protrusion, the height of the limiting plate 23 can be fixed, when the pressure in the kettle body 7 is increased, the limiting plate 23 can play a role in pressure division, the phenomenon that the connecting arm 4 is excessively high is avoided, and irregular impact occurs in the relative motion process of the nut seat and the ball screw 2 is caused, thereby playing a role in protecting the ball screw 2.

Referring to fig. 1-3, a plurality of bar grooves have been seted up to the equal equidistance in both sides of every limiting plate 23, and every first grip block 18, second grip block 21 are provided with a plurality of bar archs towards the equal equidistance in one side of corresponding limiting plate 23, and the protruding specification of bar and the specification phase-match of bar groove, when first grip block 18 and the 21 centre gripping limiting plate 23 of second grip block, the bar arch can get into in the bar groove.

Referring to fig. 1-5, each flow guiding mechanism comprises a pressure plate 26, each pressure plate 26 is connected with the inner wall of the corresponding pressure releasing groove 24 in a sealing and sliding manner, a plurality of compression springs 27 are fixedly connected between each pressure plate 26 and the inner bottom wall of the corresponding pressure releasing groove 24, a pressure sensor 25 is mounted on the inner bottom wall of each pressure releasing groove 24, and the acting force required by the elastic deformation of the compression springs 27 is small, so that when the kettle cover 6 is opened, gas can rapidly move into the pressure releasing grooves 24 and enter the flow guiding pipe 11 through the bent pipe 28, and the dynamic impact on the kettle cover 6 and the connecting arm 4 is weakened.

Referring to fig. 1-5, each pressure release groove 24 is communicated with an elbow 28, when the pressure plate 26 is in an initial state, the joint of the elbow 28 and the pressure release groove 24 is located below the pressure plate 26, the pressure release tank 13 is arranged on the plummer 10, each elbow 28 is communicated with a draft tube 11, one end of each draft tube 11, which is far away from the kettle cover 6, extends into the pressure release tank 13 and points to the longitudinal central axis of the pressure release tank 13, namely, the tube openings of the draft tubes 11 are oppositely arranged, the top of the pressure release tank 13 is arc-shaped, the air flow flowing into the pressure release tank 13 through the draft tubes 11 can be subjected to opposite impact, the side wall of the pressure release tank 13 is provided with an exhaust opening 12, and the exhaust opening 12 can be connected with a pipeline for discharging air outwards.

When the device is used, the output shaft of the driving motor 3 rotates forwards, the ball screw 2 drives the connecting arm 4 to move downwards, so that the kettle cover 6 and the kettle body 7 are closed, the first sealing ring 71 and the second sealing ring 72 jointly play a sealing role, the inner side of the annular retainer ring 22 is in sealing fit with the outer edge of the kettle body 7, the pressure release groove 24 is completely covered by the kettle cover 6 and is in a closed state, the column gear 8 is driven to rotate through the speed reducing motor 9, the reversing gear 15 is meshed between the column gear 8 and the second ring gear 19, the rotating directions of the first ring gear 17 and the second ring gear 19 are opposite, so that the first clamping plate 18 and the second clamping plate 21 are close to each other, and in an initial state, the limiting plate 23 is positioned between the first clamping plate 18 and the second clamping plate 21, after the column gear 8 rotates for a certain angle, the first clamping plate 18 and the second clamping plate 21 can simultaneously clamp the limiting plate 23, under the matching of the strip-shaped groove and the strip-shaped bulge, the height of the limiting plate 23 can be fixed, the limiting plate 23 is fixedly connected with the annular retainer ring 22, when the pressure of the kettle body 7 is increased, the ball screw 2 plays a role of protecting the ball screw arm 2, and the limiting plate 2 can prevent the limiting plate from impacting a nut seat, and an irregular pressure from being applied to the ball screw 2, and causing an impact on the kettle body 2;

when the kettle cover 6 needs to be opened, firstly, a pressure relief device (not shown in the drawing) is arranged conventionally to perform pressure reduction operation, so that residual pressure in the kettle body 7 is reduced, then, the output shaft of the reducing motor 9 is controlled to rotate reversely by the same angle, so that the first clamping plate 18, the second clamping plate 21 and the limiting plate 23 are separated from each other, then, the output shaft of the driving motor 3 rotates reversely, the ball screw 2 drives the connecting arm 4 to move upwards, and at the moment, the ascending height of the connecting arm 4 needs to be limited to be smaller than the height of the annular retainer ring 22 (the height refers to the distance between the lower surface and the upper surface of the annular retainer ring 22), so that a gap is generated between the kettle cover 6 and the kettle body 7;

the gas in the kettle body 7 flows to the pressure release groove 24 and pushes the pressure plate 26 to move downwards, and because the acting force required by the elastic deformation of the compression spring 27 is small, the gas can quickly transfer into the pressure release groove 24 and enter the draft tube 11 through the bent tube 28, so that the dynamic impact on the kettle cover 6 and the connecting arm 4 is weakened;

the air flow flowing into the pressure release box 13 through the guide pipe 11 can generate opposite impact, so that the flow speed of the air is greatly reduced, the top of the pressure release box 13 is arc-shaped, the air flow after speed reduction can be guided to the drainage port 12 and then discharged outwards, when the residual pressure is released, the pressure plate 26 resets, in the process, the pressure detected by the pressure sensor 25 is firstly increased and then reduced, when the pressure value is lower than a standard value, a worker can accordingly judge that the kettle cover 6 can be continuously opened, and the output shaft of the driving motor 3 continuously rotates in the reverse direction, so that the kettle cover 6 moves upwards for a certain distance;

it should be noted that the pressure sensor 25 is connected to an existing computer or other chip capable of receiving and analyzing the electrical signal, so that the signal change of the pressure sensor 25 can be converted into a specific value or a chart for the staff to observe.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. An excessive pressure prevention interlocking reaction kettle comprises a bearing platform (10), a kettle body (7) is arranged on the bearing platform (10), it is characterized in that the kettle body (7) is matched with a kettle cover (6), a connecting column (5) is fixed on the upper surface of the kettle cover (6), the connecting column (5) is connected with a lifting mechanism, an annular retainer ring (22) is fixed on the lower surface of the kettle cover (6), the bottom of the annular retainer ring (22) is symmetrically connected with a plurality of limiting plates (23), a supporting plate (14) is fixed on the outer side wall of the kettle body (7), a column gear (8) and a reversing gear (15) are rotatably supported on the supporting plate (14), the column gear (8) is in meshed transmission with the reversing gear (15), a speed reducing motor (9) is arranged outside the kettle body (7), the output shaft of the speed reducing motor (9) is coaxially connected with the column gear (8), the outer side wall of the kettle body (7) is vertically matched with a first gear ring (17) and a second gear ring (19) through a bearing (16), the first gear ring (17) is in meshing transmission with the column gear (8), the second gear ring (19) is in meshing transmission with the reversing gear (15), a plurality of pressure release grooves (24) are symmetrically formed in the kettle body (7), and a flow guide mechanism is arranged in each pressure release groove (24).

2. The excessive pressure preventing interlocking reaction kettle according to claim 1, wherein an inner ear (61) is integrally formed at the bottom of the kettle cover (6), a first sealing ring (71) and a second sealing ring (72) are embedded in the upper portion of the kettle body (7), the first sealing ring (71) is attached to the lower surface of the kettle cover (6), and the second sealing ring (72) is attached to the inner ear (61).

3. The excessive pressure preventing interlocking reaction kettle according to claim 1, wherein the lifting mechanism comprises a vertical shell (1), a driving motor (3) is fixedly mounted on the vertical shell (1), a ball screw (2) is rotatably mounted in the vertical shell (1), an output shaft of the driving motor (3) rotates to penetrate through the vertical shell (1) and is fixedly connected with one end of the ball screw (2), a nut seat is cooperatively arranged on the ball screw (2), a connecting arm (4) is fixed on the nut seat, and one end, far away from the ball screw (2), of the connecting arm (4) is fixedly connected with a connecting column (5).

4. The excessive pressure preventing interlocking reaction kettle according to claim 1, wherein a plurality of first clamping plates (18) are fixedly supported on the periphery of the first gear ring (17), a plurality of second clamping plates (21) are fixedly supported on the periphery of the second gear ring (19) through a support rod (20), and each limiting plate (23) is located between the first clamping plate (18) and the second clamping plate (21) corresponding to the position.

5. The excessive pressure preventing interlocking reaction kettle according to claim 4, wherein a plurality of strip-shaped grooves are formed in two sides of each limiting plate (23) at equal intervals, a plurality of strip-shaped protrusions are arranged on one side, facing the corresponding limiting plate (23), of each first clamping plate (18) and the second clamping plate (21) at equal intervals, and the specifications of the strip-shaped protrusions are matched with those of the strip-shaped grooves.

6. The excessive pressure preventing interlocking reaction kettle according to claim 1, wherein each flow guide mechanism comprises a pressure plate (26), each pressure plate (26) is connected with the inner wall of the corresponding pressure releasing groove (24) in a sealing and sliding manner, a plurality of compression springs (27) are fixedly connected between each pressure plate (26) and the inner bottom wall of the corresponding pressure releasing groove (24), and a pressure sensor (25) is mounted on the inner bottom wall of each pressure releasing groove (24).

7. The excessive pressure prevention interlocking reaction kettle according to claim 1, wherein each pressure release groove (24) is communicated with an elbow (28), the bearing platform (10) is provided with a pressure release tank (13), each elbow (28) is communicated with a flow guide pipe (11), one end of each flow guide pipe (11) far away from the kettle cover (6) extends into the pressure release tank (13) and points to a longitudinal central axis of the pressure release tank (13), and a drainage port (12) is formed in a side wall of the pressure release tank (13).