CN213000023U

CN213000023U - Catalytic unit is used in formaldehyde production

Info

Publication number: CN213000023U
Application number: CN202021520198.3U
Authority: CN
Inventors: 赵延伟; 魏玉红; 赵以军
Original assignee: Chiping Yinhe Chemical Co ltd
Current assignee: Chiping Yinhe Chemical Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-04-20
Anticipated expiration: 2030-07-28

Abstract

The utility model discloses a catalytic unit for formaldehyde production, which comprises a bracket, wherein a reactor body and a catalytic structure are arranged on the bracket, the reactor body is arranged at the upper end of the bracket and is positioned at the middle part, two sliding plates are arranged on the reactor body, and the catalytic structure is arranged at the left side of the bracket and is positioned at the left side of the reactor body; the catalytic structure includes: the device comprises a frame, two shells, two catalyst bed layers, two clamping blocks, two clamping hooks and a dragging part; the frame is settled in the upper end of support, the utility model relates to a formaldehyde production facility technical field, simple structure, reasonable in design realizes dragging out the casing that has the catalyst bed through dragging the portion, realizes the change to the catalyst bed at the in-process that drags, has improved change efficiency, can realize the change that does not shut down, has improved production quality, and the operation of being convenient for has reduced staff's working strength.

Description

Catalytic unit is used in formaldehyde production

Technical Field

The utility model relates to a formaldehyde production facility technical field specifically is a catalytic unit is used in formaldehyde production.

Background

The traditional silver method formaldehyde production process adopts air, methanol and water vapor to form ternary gas, and the ternary gas is converted into formaldehyde gas under the catalysis of electrolytic silver at high temperature. In the process of formaldehyde production, because impurities in methanol and air affect the service life of a catalyst bed, the catalyst bed is generally replaced for about 30-40 days, the catalyst bed is replaced only after the operation of a series of related devices such as a reactor is suspended when the catalyst bed needs to be replaced due to complex steps and inconvenient operation, the catalyst bed can be replaced, the production speed of formaldehyde is seriously affected, and the labor intensity of workers is increased.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a catalytic unit is used in formaldehyde production, the step of having solved the change catalyst bed is more complicated, and the operation is inconvenient, when needs are changed, needs the work of a series of relevant equipment such as pause reactor, then just can change the catalyst bed, has seriously influenced the production speed of formaldehyde and has increased staff's intensity of labour problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a catalytic device for formaldehyde production comprises a support, wherein a reactor body and a catalytic structure are arranged on the support, the reactor body is arranged at the upper end of the support and is positioned in the middle, two sliding plates are arranged on the reactor body, and the catalytic structure is arranged on the left side of the support and is positioned on the left side of the reactor body;

the catalytic structure includes: the device comprises a frame, two shells, two catalyst bed layers, two clamping blocks, two clamping hooks and a dragging part;

the frame is arranged at the upper end of the support, the two shells are arranged in the frame and on the two sliding plates of the reactor body respectively, the two catalyst bed layers are arranged at the middle parts of the two shells in a detachable mode respectively, the two clamping blocks are arranged on the right sides of the two shells respectively, the two clamping hooks are fixed on the left sides of the two shells respectively, one of the two clamping blocks and one of the two clamping hooks are connected with each other and can be detached, and the dragging portion is arranged on the right side of the support and located on the right side of the reactor body.

Preferably, the drag portion includes: the device comprises a supporting seat, a threaded rod, a sliding block, a pneumatic clamping jaw and a rotating motor;

the support seat is arranged on the right side of the support and located on the right side of the reactor body, two ends of the threaded rod are arranged on the support seat through bearings respectively, the sliding block is sleeved on the threaded rod, the pneumatic clamping jaw is arranged on the sliding block, the rotating motor is embedded in the support seat, and the driving end of the rotating motor is connected to one end of the threaded rod.

Preferably, a cover plate is mounted on the frame.

Preferably, the left side of the cover plate is provided with a handle buckling groove.

Preferably, two sealing plates are mounted at the left end and the right end of each of the two shells.

Preferably, two sliding grooves are formed in the two shells, and the two sliding grooves are matched with the two sliding plates.

Advantageous effects

The utility model provides a catalytic unit is used in formaldehyde production possesses following beneficial effect: simple structure, reasonable in design realizes dragging out the casing that has the catalyst bed through dragging the portion, realizes the change to the catalyst bed at the in-process that drags, has improved change efficiency, can realize not shutting down the change, has improved production quality, and the operation of being convenient for has reduced staff's working strength.

Drawings

FIG. 1 is a schematic view of a front view cross-sectional structure of a catalytic device for formaldehyde production.

Figure 2 is the utility model discloses a catalytic unit's for formaldehyde production right side view sectional structure schematic diagram.

Fig. 3 is a schematic view of a top-view cross-sectional structure of a catalytic device for formaldehyde production.

In the figure: 1-a scaffold; 2-the reactor body; 3-a frame; 4-a shell; 5-catalyst bed layer; 6-clamping blocks; 7-trip; 8-a support seat; 9-a threaded rod; 10-a slide block; 11-a pneumatic gripper; 12-a rotating electrical machine; 13-a cover plate; 14-a hand buckling groove; 15-sealing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 present invention provides a technical solution: a catalytic device for formaldehyde production.

Example (b): a catalytic device for formaldehyde production comprises a support 1, wherein a reactor body 2 and a catalytic structure are mounted on the support 1, the reactor body 2 is arranged at the upper end of the support 1 and is positioned in the middle, two sliding plates are mounted on the reactor body 2, and the catalytic structure is arranged on the left side of the support 1 and is positioned on the left side of the reactor body 2;

referring to fig. 1-3, in an embodiment, the catalytic structure comprises: the device comprises a frame 3, two shells 4, two catalyst bed layers 5, two clamping blocks 6, two clamping hooks 7 and a dragging part; the connection relationship is as follows:

frame 3 settles in the upper end of support 1, two casings 4 settle respectively in frame 3 and on two slides of reactor body 2, two catalyst bed layers 5 are detachable respectively and settle in the middle part of two casings 4, two fixture blocks 6 settle respectively in the right side of two casings 4, two trip 7 are fixed in the left side of two casings 4 respectively, one of them fixture block 6 of two fixture blocks 6 and one of them trip 7 interconnect of two trip 7 and can dismantle, the portion of dragging settles in the right side of support 1 and is located the right side of reactor body 2.

In a specific implementation process, it should be noted that the dragging part includes: the device comprises a supporting seat 8, a threaded rod 9, a sliding block 10, a pneumatic clamping jaw 11 and a rotating motor 12; the connection relationship is as follows:

the supporting seat 8 is arranged on the right side of the support 1 and located on the right side of the reactor body 2, two ends of the threaded rod 9 are arranged on the supporting seat 8 through bearings respectively, the sliding block 10 is sleeved on the threaded rod 9, the pneumatic clamping jaw 11 is arranged on the sliding block 10, and the rotating motor 12 is embedded in the supporting seat 8 and is connected to one end of the threaded rod 9 at the driving end.

From the above general situation it follows that: the detailed connection means is a well-known technology in the field, and the following mainly introduces the working principle and process, when the reactor body 2 works, the catalyst bed layer 5 in the reactor body 2 works, because the service life of the catalyst bed layer 5 is about 30-40 days generally, when the catalyst bed layer 5 needs to be replaced, the rotating motor 12 is started, the rotating motor 12 drives the threaded rod 9 to rotate, the slide block 10 rotates along with the rotation, the pneumatic clamping jaw 11 moves to the clamping block 6 at the right end of the shell 4 in the reactor body 2, then the pneumatic clamping jaw 11 clamps the clamping block 6, then the rotating motor 12 rotates reversely to drive the slide block 10 and the pneumatic clamping jaw 11 to return, the shell 4 is pulled out through the clamping block 6, in the pulling-out process, the shell 4 in the frame 3 is clamped on the clamping block 6 due to the clamping hook 7, when the shell 4 on the right side is pulled, the shell 4 in the frame 3 also moves along with the clamping jaw, preferably, two sealing plates 15 are mounted at the left end and the right end of each of the two shells 4, the two sealing plates 15 are used for sealing openings at the two ends of the reactor body 2 to prevent leakage, then the worker pulls the pneumatic clamping jaws 11 out of the catalyst bed 5 on the shell 4 to process the catalyst bed 5, places a new catalyst bed 5 on the shell 4, opens the cover plate 13 on the frame 3 through the hand buckling groove 14 to place another new shell 4 with the catalyst bed 5 in the frame 3, and at the moment, the fixture block 6 at the right end of the new shell 4 is just clamped on the clamping hook 7 at the left side of the shell 4 in the reactor body 2, so that the catalyst bed 5 is replaced without stopping the machine, and the working efficiency is improved.

Preferably, the frame 3 is further provided with a cover plate 13, and the cover plate 13 is used for preventing the catalyst bed 5 on the shell 4 from ash falling.

Preferably, a locking groove 14 is installed on the left side of the cover plate 13, and the locking groove 14 facilitates the opening and closing operation of the cover plate 13.

Preferably, two sealing plates 15 are installed at both left and right ends of the two casings 4, and the two sealing plates 15 are used for sealing openings at both ends of the reactor body 2 to prevent leakage.

Preferably, two sliding grooves are formed in the two housings 4, the two sliding grooves are matched with the two sliding plates, and the two sliding grooves and the two sliding plates facilitate the movement of the housings 4.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The catalytic device for formaldehyde production comprises a support (1) and is characterized in that a reactor body (2) and a catalytic structure are mounted on the support (1), the reactor body (2) is arranged at the upper end of the support (1) and is positioned in the middle, two sliding plates are mounted on the reactor body (2), and the catalytic structure is arranged on the left side of the support (1) and is positioned on the left side of the reactor body (2);

the catalytic structure includes: the device comprises a frame (3), two shells (4), two catalyst bed layers (5), two clamping blocks (6), two clamping hooks (7) and a dragging part;

the catalyst bed type reactor is characterized in that the frame (3) is arranged at the upper end of the support (1), the two shells (4) are arranged in the frame (3) and on the two sliding plates of the reactor body (2) respectively, the two catalyst bed layers (5) are arranged at the middle parts of the two shells (4) in a detachable mode respectively, the two clamping blocks (6) are arranged on the right sides of the two shells (4) respectively, the two clamping hooks (7) are fixed on the left sides of the two shells (4) respectively, one clamping block (6) of the two clamping blocks (6) is connected with one clamping hook (7) of the two clamping hooks (7) in an interconnecting mode and is detachable mode, and the dragging portion is arranged on the right side of the support (1) and located on the right side of the reactor body (2).

2. The catalytic device for formaldehyde production according to claim 1, wherein the dragging part comprises: the device comprises a supporting seat (8), a threaded rod (9), a sliding block (10), a pneumatic clamping jaw (11) and a rotating motor (12);

the reactor is characterized in that the supporting seat (8) is arranged on the right side of the support (1) and located on the right side of the reactor body (2), two ends of the threaded rod (9) are arranged on the supporting seat (8) through bearings respectively, the sliding block (10) is sleeved on the threaded rod (9), the pneumatic clamping jaw (11) is arranged on the sliding block (10), the rotating motor (12) is embedded in the supporting seat (8) and the driving end of the rotating motor is connected to one end of the threaded rod (9).

3. A formaldehyde production catalytic unit according to claim 1, characterized in that the frame (3) is provided with a cover plate (13).

4. A formaldehyde production catalytic unit according to claim 3, characterized in that the cover plate (13) is fitted with a hand-clasping groove (14) on the left side.

5. A catalytic unit for formaldehyde production according to claim 1, wherein two sealing plates (15) are installed at both left and right ends of the two housings (4).

6. The catalytic unit for formaldehyde production according to claim 1, wherein two chutes are formed on the two housings (4), and the two chutes are matched with the two sliding plates.