CN209848882U - Formaldehyde oxidation reactor with cooling function - Google Patents
Formaldehyde oxidation reactor with cooling function Download PDFInfo
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- CN209848882U CN209848882U CN201920249550.5U CN201920249550U CN209848882U CN 209848882 U CN209848882 U CN 209848882U CN 201920249550 U CN201920249550 U CN 201920249550U CN 209848882 U CN209848882 U CN 209848882U
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Abstract
The utility model discloses a formaldehyde oxidation reactor with cooling function, including the container, air inlet and gas outlet have been seted up on the container respectively, install servo motor on the container top, and install ball screw and pivot in the container upper end perpendicularly, and threaded connection has ball nut on the ball screw, and ball nut goes up fixed cover and is equipped with the lifting disk, and top-down installs absorber, catalysis layer and cooling cistern respectively in the container. The utility model discloses a but set up rotary motion's ball screw and pivot in the container, ball nut drives the lifting disk and reciprocates in the container, adjust with the pressure to in the container, make reacting gas evenly get into in absorber and the catalysis layer fast through the pressure boost, adsorb the coolant liquid in the cooling liquid groove to the cooling tube in through the decompression, cool down the cooling process with the environment to in the catalysis layer, with the reaction temperature who reduces reacting gas, reduce reaction rate, avoid going on of side reaction, ensure the product quality of formaldehyde production.
Description
Technical Field
The utility model relates to a formaldehyde production technical field especially relates to a formaldehyde oxidation reactor with cooling function.
Background
In the production process of formaldehyde by silver method, the reaction among air quantity, water vapor quantity and methanol evaporation quantity can directly influence the efficiency and quality of formaldehyde preparation.
Patent number CN201520470808.6 provides a formaldehyde oxidation reactor with cooling function, including the reactor body, the reactor body has reactant gas import, reactant gas export, this internal catalytic reaction section that has of reactor and establishing the quench cooling section of catalytic reaction section lower part, the catalytic reaction section includes the catalyst layer, the quench cooling section includes the tubulation cooler, be equipped with the recirculated cooling water pipe in the catalyst layer, the tubulation cooler is arranged in the recirculated cooling basin. Because the temperature of the oxidizer can be quickly raised by the reaction among the air quantity, the water vapor and the methanol evaporation capacity, under the condition, the silver method catalysis is easy to polymerize due to temperature change, particularly side reaction is easy to be caused, a large amount of impurities can be generated, the product quality of the formaldehyde is influenced, even cracks can be caused, and the production equipment of the formaldehyde is damaged; in addition, because the density of the reaction gas is low, the reaction gas has certain buoyancy, and after entering the reaction container, if the reaction gas is pushed without external force, the reaction gas is difficult to enter the catalyst layer, and the reaction gas is accumulated in a large amount and has the problem of large amount, small amount and non-uniformity when entering the catalyst layer, so that the reaction gas has great influence on the gas reaction, and the quality of the formaldehyde product is extremely easy to be damaged.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the excessive temperature accelerating reaction causes the side reaction to influence the quality of the formaldehyde product when the formaldehyde is produced in the prior art, and providing a formaldehyde oxidation reactor with a cooling function.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a formaldehyde oxidation reactor with cooling function, includes the container, air inlet and gas outlet have been seted up on the container respectively, install servo motor on the container top, and install ball screw and pivot in the container upper end perpendicularly, threaded connection has ball nut on the ball screw, and fixed cover is equipped with the lifting disk on the ball nut, absorber, catalysis layer and cooling cistern are installed respectively to top-down in the container, and the pivot rotates the cover and locate in the absorber, fixed cover is equipped with the impeller in the pivot, catalysis layer inner wall hanging wall swivelling joint has the cooling tube, and cooling tube upper end and lower extreme are connected with respectively and take over down, cooling cistern inner array distribution has the cooling tubulation, and is connected with feed liquor pipe and drain pipe on the cooling cistern respectively.
Preferably, the air inlet and the air outlet are respectively arranged on the side walls of the upper end and the lower end of the container, and the air inlet, the air outlet, the liquid inlet pipe and the liquid outlet pipe are all one-way channels.
Preferably, ball screw and pivot are integrated into one piece structure, and rotate the cover and locate the container upper end in, the servo motor output shaft is connected with the ball screw top, and ball screw is located the pivot upper end.
Preferably, the lifting disc is fixedly sleeved with a rubber sleeve, the rubber sleeve is in sliding contact with the inner wall of the upper end of the container, the impeller is positioned in the absorber, the absorber is uniformly provided with a plurality of absorption air holes, and the bottom end of the absorber is communicated with the catalyst layer.
Preferably, the upper connecting pipe and the lower connecting pipe are both vertically arranged, and the bottom end of the lower connecting pipe is located in the cooling liquid tank.
Preferably, the cooling liquid tank is filled with cooling liquid, and the bottom end of the lower connecting pipe is located in the cooling liquid.
Compared with the prior art, the utility model discloses possess following advantage:
1. the utility model discloses an installation is driven rotatory ball screw and pivot by servo motor at reaction vessel, utilize reciprocating of ball nut at ball screw to reciprocate in the container in order to drive the lifting disk, adjust with the pressure to the container in, through the pressure boost in order to accelerate reaction gas flow to absorber and catalysis layer, adsorb the coolant liquid in the cooling cistern through the decompression, but make coolant liquid rising movement to the cooling tube in, thereby realize the reduction to the ambient temperature in the catalysis layer, in order to delay reaction rate, avoid going on of side reaction.
2. The utility model drives the rotating shaft to rotate in the absorber through the servo motor, and adjusts the pressure in the absorber through the rotation of the impeller, so that the reaction gas can uniformly enter the absorber provided with a plurality of absorption air holes, which is helpful for improving the possibility of uniform reaction; through set up cooling shell and tube and filling coolant liquid in the cooling cistern to carry out cooling treatment to the ambient temperature in the container, make the coolant liquid get into the cooling tube simultaneously, thereby realize the used repeatedly to the coolant liquid.
To sum up, the utility model discloses a but set up rotary motion's ball screw and pivot in the container, ball nut drives the lifting disk and reciprocates in the container to adjust the pressure in the container, make reacting gas evenly get into in absorber and the catalysis layer fast through the pressure boost, adsorb the coolant liquid in the cooling tank to the cooling tube in through the decompression, cool down the cooling process with the environment to in the catalysis layer, with the reaction temperature who reduces reacting gas, reduce reaction rate, avoid going on of side reaction, ensure the product quality of formaldehyde production.
Drawings
FIG. 1 is a schematic structural view of a formaldehyde oxidation reactor with a cooling function according to the present invention;
fig. 2 is an enlarged view of a portion a of the formaldehyde oxidation reactor with a cooling function according to the present invention.
In the figure: the device comprises a container 1, an air inlet 2, an air outlet 3, a servo motor 4, a ball screw 5, a rotating shaft 6, a ball nut 7, a lifting disc 8, an absorber 9, an absorption air hole 10, an impeller 11, a catalytic layer 12, a cooling pipe 13, an upper connecting pipe 14, a lower connecting pipe 15, a cooling liquid tank 16, a cooling array pipe 17, a liquid inlet pipe 18 and a liquid outlet pipe 19.
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.
Referring to fig. 1-2, a formaldehyde oxidation reactor with cooling function comprises a container 1, wherein an air inlet 2 and an air outlet 3 are respectively arranged on the container 1, a servo motor 4 is arranged on the top end of the container 1, the servo single machine 4 can select a motor with a product model of HC-SFS153B, a ball screw 5 and a rotating shaft 6 are vertically arranged in the upper end of the container 1, the top end of the ball screw 5 rotatably penetrates through the top end of the container 1, a ball nut 7 is connected on the ball screw 5 in a threaded manner, a lifting disc 8 is fixedly sleeved on the ball nut 7, an absorber 9 and an absorber 9 are respectively arranged in the container 1 from top to bottom and are of a hollow structure, the lower ends of the absorber are not sealed and are communicated with a catalyst layer 12, the catalyst layer 12 and a cooling liquid tank 16 are arranged in the absorber 9, an impeller 11 is fixedly sleeved on the rotating, cooling tube 13 adopts helical structure, through the increase surface area in order to strengthen cooling effect, can prevent that the coolant liquid from directly getting into in taking over 14 simultaneously, promotes the reaction security, and cooling tube 13 upper end and lower extreme are connected with respectively and take over 14 and lower takeover 15, and the array distributes in cooling tank 16 has cooling tubulation 17, and is connected with feed liquor pipe 18 and drain pipe 19 on the cooling tank 16 respectively to carry out the overflowing of coolant liquid to cooling tank 16.
The air outlet of the air inlet 2 is respectively arranged on the side walls of the upper end and the lower end of the container 1, the air inlet 2, the air outlet 3, the liquid inlet pipe 18 and the liquid outlet pipe 19 are all one-way channels, the ball screw 5 and the rotating shaft 6 are of an integrally formed structure, the rotating sleeve is arranged in the upper end of the container 1, the output shaft of the servo motor 4 is connected with the top end of the ball screw 5, and the ball screw 5 is positioned at the upper end of the rotating shaft 6.
Fixed cover is equipped with the gum cover on the lifting disk 8, and the gum cover slides with 1 upper end inner wall of container and offsets to reinforcing pressure boost or decompression effect avoids lifting disk 8 and 1 inner wall direct friction of container to cause wearing and tearing, and impeller 11 is arranged in absorber 9, and has evenly seted up a plurality of absorption gas holes 10 on the absorber 9, and absorber 9 bottom is linked together with catalysis layer 12, can make reaction gas evenly get into in absorber 9 and catalysis layer 12.
Go up takeover 14 and the equal perpendicular setting of lower connecting pipe 15, and lower connecting pipe 15 bottom is arranged in cooling liquid groove 16, and the filling has the coolant liquid in cooling liquid groove 16, and lower connecting pipe 15 bottom is arranged in the coolant liquid to adsorb the coolant liquid.
The utility model discloses its functional principle is explained to following mode of operation of accessible:
the power supply of the servo motor 4 is connected, so that the output shaft of the servo motor 4 drives the ball screw 5 and the rotating shaft 6 to rotate, and meanwhile, gas to be reacted is sent into the container through the gas inlet 2.
In the process, the ball nut 7 drives the lifting disc 8 to move upwards on the ball screw 5, the rubber sleeve on the lifting disc 8 is in sliding and abutting contact with the inner wall of the upper end of the container 1, so that the pressure in the container 1 is reduced, at the moment, the cooling pipe 13 is in a communicated connection state with the upper connecting pipe 14 and the lower connecting pipe 15, so that the pressure of the cooling pipe 13 is also reduced, the bottom end of the lower connecting pipe 15 is located in the cooling liquid groove 16, so that cooling liquid is absorbed into the lower connecting pipe 15 and further enters the cooling pipe 13, at the moment, the temperature of the cooling pipe 13 is gradually reduced under the action of the cooling liquid, and further, the ambient temperature in the catalysis layer 12 is also reduced.
It should be noted that the upper connecting pipe 14 has a sufficient height, and the cooling liquid is not sprayed out from the upper connecting pipe 14 under the minimum pressure caused by the ascending motion of the lifting plate 8.
The output shaft of the servo motor 4 drives the ball screw 5 to rotate reversely with the rotating shaft 6, the ball nut 7 drives the lifting disc 8 to move downwards, the pressure in the container 1 is increased, the lifting disc 8 extrudes the reaction gas in the container 1, the impeller 11 rotates in the absorber 9 at the moment, so that the pressure in the absorber 9 is reduced, and under the continuous pressurization of the lifting disc 8, the reaction gas uniformly enters the absorber 9 through the absorption gas holes 10 and further enters the catalysis layer 12.
The reaction gas is uniformly reacted in the catalyst layer 12 with a lower temperature, and then discharged outside through the gas outlet 3.
It should be noted that, in the process, the cooling liquid can be added into the cooling liquid tank 16 through the liquid inlet 18, and when the cooling liquid in the cooling liquid tank 16 is excessive, the cooling liquid can be discharged from the liquid outlet 19.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a formaldehyde oxidation reactor with cooling function, includes container (1), its characterized in that, air inlet (2) and gas outlet (3) have been seted up on container (1) respectively, install servo motor (4) on container (1) top, and install ball screw (5) and pivot (6) in container (1) upper end perpendicularly, threaded connection has ball nut (7) on ball screw (5), and fixed cover is equipped with lifting disk (8) on ball nut (7), absorber (9), catalysis layer (12) and cooling tank (16) are installed respectively to top-down in container (1), and pivot (6) rotate the cover and locate in absorber (9), fixed cover is equipped with impeller (11) on pivot (6), catalysis layer (12) inner wall hanging is connected with cooling tube (13) soon, and cooling tube (13) upper end and lower extreme are connected with respectively and go up takeover (14) and take over (15) down, the cooling liquid tank (16) is internally distributed with cooling array pipes (17) in an array manner, and the cooling liquid tank (16) is respectively connected with a liquid inlet pipe (18) and a liquid outlet pipe (19).
2. The formaldehyde oxidation reactor with the cooling function as claimed in claim 1, wherein the gas inlet (2) and the gas outlet are respectively arranged on the side walls of the upper end and the lower end of the container (1), and the gas inlet (2), the gas outlet (3), the liquid inlet pipe (18) and the liquid outlet pipe (19) are all one-way channels.
3. The formaldehyde oxidation reactor with cooling function as claimed in claim 2, wherein the ball screw (5) and the rotating shaft (6) are integrally formed, and the rotating shaft is rotatably sleeved in the upper end of the container (1), the output shaft of the servo motor (4) is connected with the top end of the ball screw (5), and the ball screw (5) is located at the upper end of the rotating shaft (6).
4. The formaldehyde oxidation reactor with the cooling function according to claim 3, wherein a rubber sleeve is fixedly sleeved on the lifting disc (8) and is in sliding contact with the inner wall of the upper end of the container (1), the impeller (11) is positioned in the absorber (9), a plurality of absorption air holes (10) are uniformly formed in the absorber (9), and the bottom end of the absorber (9) is communicated with the catalyst layer (12).
5. The formaldehyde oxidation reactor with cooling function according to claim 1, wherein the upper connecting pipe (14) and the lower connecting pipe (15) are vertically arranged, and the bottom end of the lower connecting pipe (15) is located in the cooling liquid tank (16).
6. The formaldehyde oxidation reactor with cooling function as claimed in claim 5, wherein the cooling liquid tank (16) is filled with a cooling liquid, and the bottom end of the lower connecting pipe (15) is located in the cooling liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920249550.5U CN209848882U (en) | 2019-02-27 | 2019-02-27 | Formaldehyde oxidation reactor with cooling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920249550.5U CN209848882U (en) | 2019-02-27 | 2019-02-27 | Formaldehyde oxidation reactor with cooling function |
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| CN209848882U true CN209848882U (en) | 2019-12-27 |
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| CN201920249550.5U Active CN209848882U (en) | 2019-02-27 | 2019-02-27 | Formaldehyde oxidation reactor with cooling function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115364773A (en) * | 2022-07-28 | 2022-11-22 | 任中哲 | Building formaldehyde oxidation reactor |
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2019
- 2019-02-27 CN CN201920249550.5U patent/CN209848882U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115364773A (en) * | 2022-07-28 | 2022-11-22 | 任中哲 | Building formaldehyde oxidation reactor |
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