CN217757685U - Diaphragm-free clean electrolytic tank for preparing adiponitrile by electrolyzing acrylonitrile - Google Patents

Abstract

The utility model discloses a diaphragm-free clean electrolytic tank for preparing adiponitrile by electrolyzing acrylonitrile, which comprises a diaphragm-free clean electrolytic tank main body, wherein supporting legs are fixed at the bottom of the diaphragm-free clean electrolytic tank main body, a supporting frame is arranged at the outer side of the supporting legs, and a discharging pipe is arranged at the bottom of the diaphragm-free clean electrolytic tank main body; the device is provided with the protection mechanism, so that the protection sleeve is sleeved at the bottom of the discharge pipe and shields and protects the bottom of the discharge pipe, the safety of adiponitrile production is improved, the safety risk coefficient is reduced, and the purpose of improving the safety performance of adiponitrile production by acrylonitrile electrolysis is achieved; this device is provided with strengthening mechanism, through the intensity of movable sleeve and fixed cover reinforcing connection portion, promotes the intensity at connecting pipe connection part under the prerequisite of guaranteeing no clean electrolysis trough main part reaction efficiency of diaphragm, ensures the normal clear of acrylonitrile electrolysis preparation adiponitrile production.

Description

Diaphragm-free clean electrolytic tank for preparing adiponitrile by electrolyzing acrylonitrile

Technical Field

The utility model relates to an adiponitrile production facility technical field specifically is a no diaphragm clean electrolysis trough of acrylonitrile electrolysis preparation adiponitrile.

Background

The acrylonitrile electrolytic dimerization method is one of the methods for synthesizing adiponitrile, has the advantages of simple process route, relatively easily mastered technology, convenient production management, lower toxicity of acrylonitrile as a raw material, lower safety risk coefficient, single variety and wider sources, and simultaneously has the advantage of only one step in the reaction process, wherein one acrylonitrile molecule is combined with two electrons and one proton in the reaction process, the generated anion is interacted with the second acrylonitrile molecule, and then the polyanion is reacted with hydrogen ions to generate the adiponitrile, wherein the diaphragm-free method becomes an important direction for preparing the adiponitrile by electrolyzing the acrylonitrile due to low energy consumption and high product yield, and meanwhile, a diaphragm-free clean electrolytic tank is a common production device.

However, in the use process of the existing diaphragm-free clean electrolytic cell, a discharge port at the bottom is generally locked by using a valve control, but the inner wall of a pipeline still remains after the locking, so that the safety for preparing adiponitrile is reduced, a certain safety risk coefficient exists, and the diaphragm-free clean electrolytic cell is not beneficial to the production of adiponitrile prepared by electrolyzing acrylonitrile.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a no diaphragm clean electrolysis trough of acrylonitrile electrolysis preparation adiponitrile to solve the problem that provides among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a clean electrolysis trough of no diaphragm of acrylonitrile electrolysis preparation adiponitrile, includes the clean electrolysis trough main part of no diaphragm, the bottom of the clean electrolysis trough main part of no diaphragm is fixed with the supporting legs, the outside of supporting legs is provided with the support frame, the discharging pipe is installed to the bottom of the clean electrolysis trough main part of no diaphragm, the bottom of the clean electrolysis trough main part of no diaphragm is provided with protection mechanism, the connecting pipe is installed to one side of the clean electrolysis trough main part of no diaphragm, the outside of the clean electrolysis trough main part of no diaphragm is fixed with strengthening mechanism, one side of the clean electrolysis trough main part of no diaphragm is provided with the backup pad.

As a further aspect of the present invention: protection machanism includes the mounting bracket, the bottom of mounting bracket is fixed with the adapter sleeve, one side inner wall of adapter sleeve is provided with extension spring, extension spring's one end is connected with removes the pad, one side that removes the pad is fixed with the metal pole, the one end of metal pole is connected with the lag, the outside that removes the pad is provided with T shape frame, one side of T shape frame is fixed with gloves, the inside embedding of mounting bracket has the dead lever that extends to the outside, the outside of dead lever is rotated and is connected with and is rotated the cover, one side of rotating the cover is fixed with the rubber column.

As the utility model discloses further scheme again: a through hole is formed in the connecting sleeve, and the size of the through hole is matched with that of the metal rod.

As the utility model discloses further scheme again: the rubber column is fixedly bonded with the rotating sleeve.

As the utility model discloses further scheme again: the utility model discloses a reinforcing mechanism, including reinforcing mechanism, the reinforcing mechanism includes outer frame, the outside of outer frame is fixed with the mounting panel, be fixed with fixed cover between the both sides inner wall of outer frame, the top of fixed cover is fixed with the screw thread post that runs through its bottom, the outside movable adjustment of screw thread post has the movable sleeve, the outside threaded connection of screw thread post has the screw thread cover, the both ends of movable sleeve all are provided with the guide block.

As a further aspect of the present invention: a sliding groove is formed in the outer frame, and a sliding fit component is arranged between the sliding groove and the guide block.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

1. this device is provided with protection mechanism, after the discharging pipe passes through valve closure lock, the discharge gate pipeline inner wall of discharging pipe bottom still remains, can promote to drive T shape frame activity to gloves this moment, T shape frame then can drive the lag activity through the metal pole, make the lag cover in the bottom of discharging pipe, and shelter from the protection to the discharging pipe bottom, the security of preparation adiponitrile has been promoted, the safety risk coefficient has been reduced, be favorable to the production of acrylonitrile electrolysis preparation adiponitrile, the purpose of promoting acrylonitrile electrolysis preparation adiponitrile security performance has been reached.

2. This device is provided with strengthening mechanism, and when the connecting pipe in the clean electrolysis trough main part outside of no diaphragm with correspond the pipe connection, through the intensity of movable sleeve and fixed cover reinforcing connecting portion, promote the intensity at connecting pipe connection part under the prerequisite of guaranteeing no clean electrolysis trough main part reaction efficiency of diaphragm, ensure the normal clear of acrylonitrile electrolysis preparation adiponitrile production.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the internal structure of the protection mechanism of the present invention;

FIG. 3 is a schematic view of the outer side structure of the protection mechanism of the present invention;

fig. 4 is a schematic structural view of the reinforcing mechanism of the present invention;

in the figure: 1. cleaning the main body of the electrolytic cell without a diaphragm; 2. supporting legs; 3. a support frame; 4. a discharge pipe; 5. a protection mechanism; 51. a mounting frame; 52. connecting sleeves; 53. an extension spring; 54. a moving pad; 55. a metal rod; 56. a protective sleeve; 57. a T-shaped frame; 58. a handle sleeve; 59. fixing the rod; 510. rotating the sleeve; 511. a rubber column; 6. a connecting pipe; 7. a reinforcement mechanism; 71. an outer frame; 72. mounting a plate; 73. fixing a sleeve; 74. a threaded post; 75. a movable sleeve; 76. a threaded sleeve; 77. a guide block; 8. and a support plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model provides a diaphragm-free clean electrolytic cell for preparing adiponitrile by acrylonitrile electrolysis, which comprises a diaphragm-free clean electrolytic cell main body 1, wherein the bottom of the diaphragm-free clean electrolytic cell main body 1 is fixed with a supporting leg 2, the outer side of the supporting leg 2 is provided with a supporting frame 3, the bottom of the diaphragm-free clean electrolytic cell main body 1 is provided with a discharging tube 4, the bottom of the diaphragm-free clean electrolytic cell main body 1 is provided with a protection mechanism 5, one side of the diaphragm-free clean electrolytic cell main body 1 is provided with a connecting tube 6, the outer side of the diaphragm-free clean electrolytic cell main body 1 is fixed with a reinforcing mechanism 7, and one side of the diaphragm-free clean electrolytic cell main body 1 is provided with a supporting plate 8;

protection machanism 5 includes mounting bracket 51, the bottom of mounting bracket 51 is fixed with adapter sleeve 52, one side inner wall of adapter sleeve 52 is provided with extension spring 53, extension spring 53's one end is connected with removes pad 54, it is fixed with metal pole 55 to remove one side of pad 54, the through-hole has been seted up to the inside of adapter sleeve 52, and the size of this through-hole and the size adaptation of metal pole 55, the one end of metal pole 55 is connected with lag 56, the outside of removing pad 54 is provided with T-shaped frame 57, one side of T-shaped frame 57 is fixed with handle cover 58, the inside embedding of mounting bracket 51 has the dead lever 59 that extends to the outside, the outside of dead lever 59 is rotated and is connected with rotating sleeve 510, one side of rotating sleeve 510 is fixed with rubber column 511, the recess with discharging pipe 4 size adaptations is seted up to the inside of lag 56, it is fixed to bond between rubber column 511 and the rotating sleeve 510.

When the device is used, after the discharge pipe 4 is locked by closing a valve, the inner wall of a discharge port pipeline at the bottom of the discharge pipe 4 is still remained, the handle sleeve 58 can be pushed to drive the T-shaped frame 57 to move, the T-shaped frame 57 can drive the protective sleeve 56 to move through the metal rod 55, the protective sleeve 56 is sleeved at the bottom of the discharge pipe 4, the bottom of the discharge pipe 4 is shielded and protected, the safety for manufacturing adiponitrile is improved, the safety risk coefficient is reduced, then the rotating sleeve 510 outside the fixed rod 59 can be pulled to rotate, one side of the rotating sleeve 510 can be attached to the outer side of the T-shaped frame 57, the position of the T-shaped frame 57 is fixed, the protective sleeve 56 is ensured to shield the discharge pipe 4 to be stable, the production of adiponitrile manufactured by acrylonitrile electrolysis is facilitated, the purpose of improving the safety performance of manufacturing the adiponitrile by acrylonitrile electrolysis is achieved, meanwhile, in a diaphragm-free electrolysis method, the distance of electrodes is very close, once corrosion occurs, a hydrogen evolution reaction can be caused, the yield and the current efficiency are influenced, borax and the effects of reducing corrosion of electrolyte and the electrolyte after the main body of an EDTA (1) is cleaned without a diaphragm, and the EDTA, and the electrolyte can be added into an EDTA.

Please refer to fig. 1 and 4, the utility model provides a diaphragm-free clean electrolytic tank for acrylonitrile electrolysis preparation adiponitrile, reinforcing mechanism 7 includes outer frame 71, the outside of outer frame 71 is fixed with mounting panel 72, be fixed with fixed cover 73 between the both sides inner wall of outer frame 71, the top of fixed cover 73 is fixed with the screw thread post 74 that runs through its bottom, the outside activity of screw thread post 74 is adjusted there is movable sleeve 75, the outside threaded connection of screw thread post 74 has threaded sleeve 76, the both ends of movable sleeve 75 all are provided with guide block 77, the spout has been seted up to the inside of outer frame 71, and be the sliding fit component between this spout and the guide block 77.

This device is in the use, when the connecting pipe 6 in the clean electrolysis trough main part 1 outside of no diaphragm with correspond the pipe connection, the operator can stir the activity of the 75 vertical directions of movable sleeve, and make movable sleeve 75 and fixed cover 73 cover in the outside at pipe connection position, and accomplish the fixed of movable sleeve 75 position through the mode of clockwise rotation thread bush 76, through the intensity of movable sleeve 75 and fixed cover 73 reinforcing connecting portion, promote the intensity at connecting pipe 6 connection position under the prerequisite of guaranteeing the clean electrolysis trough main part 1 reaction efficiency of no diaphragm, ensure the normal clear of acrylonitrile electrolysis preparation adiponitrile production.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a clean electrolysis trough of no diaphragm of acrylonitrile electrolysis preparation adiponitrile, includes the clean electrolysis trough main part of no diaphragm (1), its characterized in that, the bottom of the clean electrolysis trough main part of no diaphragm (1) is fixed with supporting legs (2), the outside of supporting legs (2) is provided with support frame (3), discharging pipe (4) are installed to the bottom of the clean electrolysis trough main part of no diaphragm (1), the bottom of the clean electrolysis trough main part of no diaphragm (1) is provided with protection mechanism (5), connecting pipe (6) are installed to one side of the clean electrolysis trough main part of no diaphragm (1), the outside of the clean electrolysis trough main part of no diaphragm (1) is fixed with strengthening mechanism (7), one side of the clean electrolysis trough main part of no diaphragm (1) is provided with backup pad (8).

2. The diaphragm-free clean electrolytic cell for the electrolytic production of adiponitrile according to claim 1, wherein said protection mechanism (5) comprises a mounting frame (51), a connecting sleeve (52) is fixed at the bottom of said mounting frame (51), a tension spring (53) is arranged on the inner wall of one side of said connecting sleeve (52), a moving pad (54) is connected to one end of said tension spring (53), a metal rod (55) is fixed on one side of said moving pad (54), a protecting sleeve (56) is connected to one end of said metal rod (55), a T-shaped frame (57) is arranged on the outer side of said moving pad (54), a handle sleeve (58) is fixed on one side of said T-shaped frame (57), a fixing rod (59) extending to the outer side is embedded in said mounting frame (51), a rotating sleeve (510) is rotatably connected to the outer side of said fixing rod (59), and a rubber column (511) is fixed on one side of said rotating sleeve (510).

3. The diaphragm-free clean electrolytic tank for the electrolytic production of adiponitrile according to claim 2, wherein the connecting sleeve (52) is internally provided with a through hole, and the size of the through hole is matched with that of the metal rod (55).

4. The diaphragm-free clean electrolytic cell for the electrolytic production of adiponitrile according to claim 2, wherein the protecting cover (56) is provided with a groove with a size matched with the size of the discharge pipe (4), and the rubber column (511) is fixedly bonded with the rotating cover (510).

5. The diaphragm-free clean electrolytic tank for the electrolytic production of adiponitrile according to claim 1, characterized in that said reinforcing mechanism (7) comprises an outer frame (71), a mounting plate (72) is fixed on the outer side of said outer frame (71), a fixing sleeve (73) is fixed between the inner walls of both sides of said outer frame (71), a threaded column (74) running through the bottom of said fixing sleeve (73) is fixed on the top of said fixing sleeve (73), a movable sleeve (75) is movably adjusted on the outer side of said threaded column (74), a threaded sleeve (76) is connected on the outer side of said threaded column (74), and guide blocks (77) are arranged on both ends of said movable sleeve (75).

6. The diaphragm-free clean electrolytic tank for the electrolytic production of adiponitrile according to claim 5, wherein the outer frame (71) is provided with a sliding groove inside, and a sliding fit component is arranged between the sliding groove and the guide block (77).

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