CN221359767U

CN221359767U - Reation kettle feeding structure is used in diethyl oxalate production

Info

Publication number: CN221359767U
Application number: CN202323360861.4U
Authority: CN
Inventors: 张新财
Original assignee: Fujian Shaxian Qingzhou Daily Chemical Co ltd
Current assignee: Fujian Shaxian Qingzhou Daily Chemical Co ltd
Priority date: 2023-12-11
Filing date: 2023-12-11
Publication date: 2024-07-19
Anticipated expiration: 2033-12-11

Abstract

The utility model discloses a feeding structure of a reaction kettle for producing diethyl oxalate, which comprises a reaction kettle, an esterification tower, a feeding cylinder and a filter screen, wherein the technical scheme is characterized in that the inner wall of the feeding cylinder is fixedly provided with a mounting ring, the mounting ring is provided with a mounting groove, the outer wall of the filter screen is fixedly provided with a filter frame, the filter frame is arranged on the mounting groove, the side wall of the filter frame is symmetrically provided with clamping grooves, the inner wall of the mounting groove is symmetrically provided with clamping block grooves, the clamping block grooves are internally provided with clamping blocks for clamping the limiting filter frame in the clamping grooves, the inner wall of the clamping block grooves is provided with return grooves, the return grooves are internally provided with return mechanisms for controlling the clamping blocks to slide into the clamping block grooves, the inner wall of the clamping block grooves far away from the return grooves is provided with a control block groove, and a control block for controlling the clamping blocks to slide out of the clamping block grooves is arranged in the control block grooves.

Description

Reation kettle feeding structure is used in diethyl oxalate production

Technical Field

The utility model relates to the technical field of diethyl oxalate production, in particular to a reaction kettle feeding structure for diethyl oxalate production.

Background

Diethyl oxalate, the chemical name diethyl oxalate, is an ester, the chemical formula is CH3CH2OOC-COOCH2CH3, and can be obtained through esterification reaction of oxalic acid and ethanol, and the diethyl oxalate needs to be manually put into an esterification reaction kettle during production.

The utility model discloses a diethyl oxalate feeding production device, which comprises channel steel, stand columns, a disc and an esterification reaction kettle, wherein stand legs are fixed at the outer bottom end of the esterification reaction kettle, an interface is arranged in the middle of the outer top end of the esterification reaction kettle, an esterification tower is installed on the surface connection of the interface, a feeding port is arranged on one side of the outer top end of the esterification reaction kettle, a feeding cylinder is installed on the surface connection of the feeding port, a clamping groove is arranged on the inner middle side surface of the feeding cylinder, a bayonet is formed in the surface of the clamping groove, a clamping block is embedded in the bayonet, the clamping block is fixed on the outer side surface of the disc, a screen is fixed in the middle of the inner part of the disc, the disc is rotatably installed in the clamping groove, the stand columns are arranged on the outer side surface of the esterification reaction kettle, and a bottom plate is fixed at the bottom end of the stand columns.

The above-mentioned existing scheme has the following problems: the disc is located the draw-in groove through the fixture block and carries out spacingly, but the fixture block still can rotate in the draw-in groove, thereby can make the fixture block rotate to bayonet socket position under the effect of throwing the material so that the disc can take place to turn, leads to the foreign matter to get into in the reation kettle.

Disclosure of utility model

The utility model aims to provide a feeding structure of a reaction kettle for diethyl oxalate production, so as to solve the technical problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a reation kettle feeding structure is used in production of diethyl oxalate, includes reation kettle, esterifying tower, feed cylinder and filter screen, feed cylinder inner wall is fixed to be equipped with the collar, the mounting groove has been seted up on the collar, the fixed cover of filter screen outer wall is equipped with the filter frame, the filter frame is installed on the mounting groove, the draw-in groove has been seted up to filter frame lateral wall symmetry, the fixture block groove has been seted up to mounting groove inner wall symmetry, the fixture block groove is relative with the draw-in groove, be equipped with the fixture block that is used for the card to go into the spacing filter frame in the draw-in groove in the fixture block groove, the return groove has been seted up to the fixture block inslot is equipped with the return mechanism who is used for controlling the fixture block and slides into the fixture block inslot, the control block groove has been seted up to the fixture block inslot, the slip is equipped with the control block that is used for controlling the fixture block roll-off fixture block groove in the control groove in the slip on the collar.

Preferably, the return mechanism comprises a return block and a return spring, the inner wall of the return groove, which is close to the filter frame, is fixedly connected with the return spring, the return spring is fixedly connected with the return block, and the return block is slidably arranged in the return groove and is fixedly connected with the side wall of the clamping block.

Preferably, one side of the fixture block in the fixture block groove is an inclined surface and is propped against the control block, the side wall of the control block away from the fixture block is provided with a thread groove, the thread groove is internally connected with a screw rod in a threaded manner, the bottom of the control block groove is penetrated and provided with a rotating groove for the screw rod to pass through and be rotationally connected with the screw rod, and one end of the screw rod outside the rotating groove is fixedly connected with the knob.

Preferably, the inner wall ring of the rotary groove is provided with a limiting ring groove, and the limiting ring groove is rotationally provided with a limiting ring fixedly sleeved on the screw rod.

Preferably, the limiting grooves are symmetrically formed in the inner walls of the control block grooves, and limiting blocks fixedly connected with the side walls of the control block are slidably arranged in the limiting grooves.

Preferably, the mounting groove is far away from the inner wall symmetry of fixture block groove and has seted up the constant head tank, the fixed symmetry of filter frame outer wall is equipped with the locating piece that is used for the card to go into the constant head tank.

Compared with the prior art, the utility model has the beneficial effects that: through setting up collar, mounting groove, filter screen, filter frame, draw-in groove, fixture block groove, return spring, return block, control block, screw rod and knob, control the fixture block card to go into the draw-in groove through rotating the knob and carry out fixed mounting with the filter frame, and the installation is firm, can not become flexible, rotates the knob and makes the fixture block roll out the draw-in groove and can dismantle the change with the filter frame, convenient operation; through the setting of locating piece and constant head tank, improve the convenience of installation filter frame.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view showing the appearance of a reaction vessel according to the present embodiment;

FIG. 2 is a schematic view of the installation filter screen structure of the feeding barrel of the embodiment;

FIG. 3 is a schematic view of the feed cylinder of the present embodiment without a filter screen;

FIG. 4 is a schematic view of the structure of the filter screen of the present embodiment;

FIG. 5 is a cross-sectional view of the cartridge of the present embodiment with the filter screen installed and the cartridge unlocked;

fig. 6 is an enlarged view at this embodiment a.

In the drawings, the list of components represented by the various numbers is as follows:

1. A reaction kettle; 2. an esterification tower; 3. a feed cylinder; 4. a mounting ring; 5. a mounting groove; 6. a filter screen; 7. a filter frame; 8. a clamping groove; 9. a clamping block; 10. a clamping block groove; 11. a return groove; 12. a return spring; 13. a return block; 14. a control block; 15. a control block slot; 16. a thread groove; 17. a screw; 18. a rotary groove; 19. a knob; 20. a limit ring groove; 21. a limiting ring; 22. a limit groove; 23. a limiting block; 24. a positioning groove; 25. and (5) positioning blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides a technical solution: the utility model provides a reation kettle feeding structure is used in production of diethyl oxalate, including reation kettle 1, esterifying tower 2, feed cylinder 3 and filter screen 6, feed cylinder 3 inner wall is fixed to be equipped with collar 4, install mounting groove 5 on the collar 4, the fixed cover of filter screen 6 outer wall is equipped with filter frame 7, filter frame 7 installs on mounting groove 5, draw-in groove 8 has been seted up to filter frame 7 lateral wall symmetry, fixture block groove 10 has been seted up to mounting groove 5 inner wall symmetry, fixture block groove 10 is relative with draw-in groove 8, be equipped with the fixture block 9 that is used for the card to go into spacing filter frame 7 in the draw-in groove 8 in the fixture block groove 10, return groove 11 has been seted up to fixture block groove 10 inner wall, return groove 11 is equipped with the return mechanism who is used for controlling fixture block 9 to slide into fixture block groove 10 in, control block groove 15 has been seted up to the inner wall that return groove 11 is kept away from to fixture block groove 10, the slip is equipped with the control block 14 that is used for controlling fixture block 9 to slide out fixture block groove 10 in control block groove 15 in the control groove 15, be equipped with the gliding knob 19 of control block 14 on the collar 4.

Specifically, the return mechanism comprises a return block 13 and a return spring 12, the inner wall of the return groove 11, which is close to the filter frame 7, is fixedly connected with the return spring 12, the return spring 12 is fixedly connected with the return block 13, the return block 13 is slidably arranged in the return groove 11 and is fixedly connected with the side wall of the clamping block 9, and the clamping block 9 can be positioned in the clamping block groove 10 under the action of the elasticity of the return spring 12 when the clamping block 9 is not acted by the control block 14, so that the installation of the filter frame 7 is not affected.

Specifically, the fixture block 9 is located one side of fixture block groove 10 and is inclined plane and offset with control block 14, the lateral wall that the fixture block 9 was kept away from to control block 14 has seted up thread groove 16, thread groove 16 internal thread connection has screw rod 17, control block groove 15 bottom runs through and has offered the confession screw rod 17 and pass and rotate the change groove 18 of being connected with screw rod 17, the screw rod 17 is located the outer one end of change groove 18 and knob 19 fixed connection, the rotation knob 19 drives screw rod 17 rotation, make control block 14 slide in control block groove 15 through the threaded connection of screw rod 17 and thread groove 16 of control block 14, the inclined plane of fixture block 9 is offered to control block 14 effort, make fixture block 9 roll-off fixture block groove 10 card income draw-in groove 8, thereby carry out the spacing to filter frame 7.

Specifically, the inner wall ring of the rotary groove 18 is provided with a limiting ring groove 20, the limiting ring groove 20 is rotationally provided with a limiting ring 21 fixedly sleeved on the screw 17, and the limiting ring groove 20 and the limiting ring 21 limit the screw 17 to prevent the screw 17 from axially moving to influence the movement of the control block 14.

Specifically, the inner wall of the control block groove 15 is symmetrically provided with a limit groove 22, a limit block 23 fixedly connected with the side wall of the control block 14 is slidably arranged in the limit groove 22, and the screw 17 is prevented from being separated from the thread groove 16 through the arrangement of the limit groove 22 and the limit block 23.

Specifically, the mounting groove 5 is far away from the inner wall symmetry of fixture block groove 10 and has seted up constant head tank 24, and the fixed symmetry of filter frame 7 outer wall is equipped with the locating piece 25 that is used for the card to enter constant head tank 24, and when installing filter frame 7, in the setting tank 5 was put into to the locating piece 25 alignment constant head tank 24, can make draw-in groove 8 and fixture block groove 10 aim at, improves the convenience of installation.

One specific application embodiment of this embodiment is:

When the device is used, when the filter screen 6 is installed, the filter frame 7 slides down along the inner wall of the installation groove 5, the positioning block 25 is aligned with the positioning groove 24, the clamping groove 8 is aligned with the clamping groove 10 until the filter frame 7 is placed on the installation groove 5, the screw rod 17 is driven to rotate by the rotating knob 19, the control block 14 slides in the control block groove 15 through the threaded connection of the screw rod 17 and the threaded groove 16 of the control block 14, the acting force of the control block 14 is applied to the inclined surface of the clamping block 9, the clamping block 9 drives the return block 13 to compress the return spring 12 to slide out of the clamping groove 10 and clamp into the clamping groove 8, the filter screen 7 is limited, the filter screen 6 can be installed, the installation is firm and can not be loosened, the filter screen 6 can be used, when the filter screen 6 needs to be replaced, the acting force of the control block 14 which is lost by the clamping block 9 slides out of the clamping groove 8 under the action of the elasticity of the return spring 12 is slid into the clamping groove 10, the filter frame 7 is removed from the installation groove 5, and the filter frame 7 is replaced conveniently.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Although embodiments of the present utility model have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the claims and their equivalents.

Claims

1. The utility model provides a diethyl oxalate production is with reation kettle feed structure, includes reation kettle (1), esterification tower (2), feed cylinder (3) and filter screen (6), its characterized in that: the utility model provides a feed cylinder (3) inner wall is fixed to be equipped with collar (4), mounting groove (5) have been seted up on collar (4), filter screen (6) outer wall fixed cover has filter frame (7), filter frame (7) are installed on mounting groove (5), draw-in groove (8) have been seted up to filter frame (7) lateral wall symmetry, fixture block groove (10) have been seted up to mounting groove (5) inner wall symmetry, fixture block groove (10) are relative with draw-in groove (8), be equipped with fixture block (9) that are used for clamping into spacing filter frame (7) in draw-in groove (8) in fixture block groove (10), return groove (11) have been seted up to fixture block groove (10) inner wall, be equipped with in return groove (11) and be used for controlling fixture block (9) to slide into return mechanism in fixture block groove (10), control block groove (15) are kept away from the inner wall in fixture block groove (10), sliding block groove (14) are equipped with in control block groove (15) and are used for controlling fixture block (14) slip ring (4), install and be used for controlling knob (19).

2. The reactor feed structure for diethyl oxalate production according to claim 1, wherein: the return mechanism comprises a return block (13) and a return spring (12), wherein the return groove (11) is close to the inner wall of the filter frame (7) and is fixedly connected with the return spring (12), the return spring (12) is fixedly connected with the return block (13), and the return block (13) is slidably arranged in the return groove (11) and is fixedly connected with the side wall of the clamping block (9).

3. The reactor feed structure for diethyl oxalate production according to claim 1, wherein: the fixture block (9) is located one side of fixture block groove (10) and is inclined plane and offset with control block (14), thread groove (16) have been seted up to the lateral wall that fixture block (9) was kept away from to control block (14), thread groove (16) internal thread connection has screw rod (17), control block groove (15) bottom runs through and has seted up confession screw rod (17) and rotate rotary groove (18) of being connected with screw rod (17), screw rod (17) are located the one end and knob (19) fixed connection outside rotary groove (18).

4. A reactor feed structure for diethyl oxalate production according to claim 3, wherein: the inner wall ring of the rotary groove (18) is provided with a limit ring groove (20), and the limit ring groove (20) is rotationally provided with a limit ring (21) fixedly sleeved on the screw (17).

5. A reactor feed structure for diethyl oxalate production according to claim 3, wherein: limiting grooves (22) are symmetrically formed in the inner walls of the control block grooves (15), and limiting blocks (23) fixedly connected with the side walls of the control blocks (14) are arranged in the limiting grooves (22) in a sliding mode.

6. The reactor feed structure for diethyl oxalate production according to claim 1, wherein: the mounting groove (5) is far away from the inner wall symmetry of fixture block groove (10) and has seted up constant head tank (24), the fixed symmetry of filter frame (7) outer wall is equipped with locating piece (25) that are used for the card to go into constant head tank (24).