CN206604395U - A kind of gas mixer produced for methacrylaldehyde - Google Patents
A kind of gas mixer produced for methacrylaldehyde Download PDFInfo
- Publication number
- CN206604395U CN206604395U CN201720271988.4U CN201720271988U CN206604395U CN 206604395 U CN206604395 U CN 206604395U CN 201720271988 U CN201720271988 U CN 201720271988U CN 206604395 U CN206604395 U CN 206604395U
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- China
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- gas mixer
- gas
- methacrylaldehyde
- inlet tube
- propylene
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Abstract
The utility model is related to acrylic acid production equipment field, more particularly to a kind of gas mixer produced for methacrylaldehyde, including sealed gas mixer body, the gas mixer is disposed with air inlet duct from front to back, steam inlet tube and propylene inlet tube, the air inlet duct is located at the front end of gas mixer, the rear end of the gas mixer is provided with mixed gas outlet pipe, the gas mixer is provided with drain valve close to rear end, the gas mixer is internally provided with n group deflection plates, n >=1, n group deflection plates are shifted to install up and down in gas mixer, the Structure of Gas Mixer is simple, good airproof performance, good mixing effect, the size of gas feed is designed according to real gas combined amount, deflection plate is designed with blender, it is sufficiently mixed multiple gases, improve the yield of methacrylaldehyde, reduce the content of propylene in waste gas.
Description
Technical field
The utility model is related to acrylic acid production equipment field, more particularly to a kind of gas mixing produced for methacrylaldehyde
Device.
Background technology
Methacrylaldehyde is simplest unsaturated aldehyde, is critically important synthetic intermediate in chemical industry, is widely used in production of resins
In organic synthesis.Industrial production methacrylaldehyde generally uses propylene catalytic air oxidation method at present, by propylene, air and water
Steam sends into fixed bed reactors after mixing by a certain percentage together with catalyst, is carried out under certain pressure and temperature conditionss anti-
Should, the heat recovery of reaction release is used to the production of steam.Rate of charge (mol) is about Bing Xi ︰ Kong Qi ︰ vapor=︰ 2 of 1 ︰ 10.Third
The mixing of alkene, air and vapor generally uses pipeline mixer, but material mixes uneven in pipeline mixer,
Make product yield relatively low, and propylene content is higher in the waste gas produced after the uneven material reaction of mixing, reaches 0.6-0.7%.
Later stage separation is set to cause difficulty, while causing the wasting of resources.
Utility model content
The purpose of this utility model is to overcome the shortcomings of that prior art is present, and provides and a kind of produced for methacrylaldehyde
Gas mixer, the Structure of Gas Mixer is simple, good airproof performance, good mixing effect, and gas is designed according to real gas combined amount
Deflection plate is designed with the size of body import, blender, multiple gases are sufficiently mixed, the yield of methacrylaldehyde is improved, reduced useless
The content of propylene in gas.
What the technical solution of the utility model was realized in：A kind of gas mixer produced for methacrylaldehyde, including
Sealed gas mixer body, the gas mixer be disposed with from front to back air inlet duct, steam inlet tube and
Propylene inlet tube, the air inlet duct is located at the front end of gas mixer, and the rear end of the gas mixer is provided with mixing
Gas outlet tube, the gas mixer is provided with drain valve close to rear end, and the gas mixer is internally provided with n folding
Plate group is flowed, n >=1, the baffle groups are shifted to install up and down in gas mixer.
It is preferred that, the gas mixer is internally provided with 3 baffle groups, and each baffle groups are equal in horizontal direction
3-8 baffle groups of even distribution into.
It is preferred that, each baffle groups in horizontal direction equally distributed 5 baffle groups into.
It is preferred that, adjacent baffle groups are shifted to install up and down in gas mixer.
It is preferred that, the diameter of the air inlet duct is more than the diameter of steam inlet tube and propylene inlet tube.
It is preferred that, the diameter of the mixed gas outlet pipe is more than the diameter of air inlet duct.
The beneficial effects of the utility model are：The utility model discloses a kind of gas mixing produced for methacrylaldehyde
Device, the Structure of Gas Mixer is simple, reasonable in design, and the deflection plate that inside is set can be sufficiently mixed several gases, while root
Had any different according to propylene, air and the actual combined amount design gas feed diameter of vapor, be easy to various gases to carry out in the desired amount
Mixing, enters subsequent reactions after being well mixed, improves the yield of methacrylaldehyde, reduce the content of propylene in waste gas.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
In figure：1- air inlet ducts, 2- steam inlet tubes, 3- propylene inlet tubes, 4- gas mixers, 5- drain valves, 6-
Mixed gas outlet pipe, 7- deflection plates.
Embodiment
The utility model is described in further details with specific embodiment below in conjunction with the accompanying drawings, to be better understood from this
The technical scheme of utility model.
Embodiment 1：A kind of gas mixer produced for methacrylaldehyde, as shown in figure 1, including sealed gas mixer
4 bodies, the gas mixer 4 is disposed with air inlet duct 1, steam inlet tube 2 and propylene inlet tube 3 from front to back,
The air inlet duct 1 is located at the front end of gas mixer 4, and steam inlet tube 2 and propylene inlet tube 3 are located at close to gas respectively
On the upper wall and lower wall of the front end of blender 4, the rear end of the gas mixer 4 is provided with mixed gas outlet pipe 6, the air
The diameter of inlet tube 1 is more than the diameter of steam inlet tube 2 and propylene inlet tube 3, and the diameter of the mixed gas outlet pipe 6 is more than sky
The diameter of gas inlet tube 1, the mole of real gas matches when the diameter of these gas inlet pipes is with production methacrylaldehyde, actual
Air mole is significantly greater than the mole of propylene and vapor in production, therefore, the sky of gaseous mixture design of the present utility model
The diameter of gas inlet tube 1 is more than the diameter of steam inlet tube 2 and propylene inlet tube 3；The mole of gaseous mixture is equal to air, propylene
With the mole sum of vapor, therefore the diameter of mixed gas outlet pipe 6 be more than air inlet duct 1 diameter.The gas mixing
Device 4 is internally provided with 3 baffle groups, and 3 baffle groups are shifted to install up and down in gas mixer 4.Each baffle groups
Constituted by equally distributed 3 deflection plates 7 in horizontal direction, adjacent baffle groups misplace up and down in gas mixer 4
Set, mixed gas is uniformly mixed under the baffling effect of deflection plate 7, well mixed gas is in follow-up catalysis oxidation mistake
Reacted in journey more fully, the yield of methacrylaldehyde is significantly improved, and the conversion ratio of propylene can reach 93%, and reacted waste gas
The content of middle propylene is significantly reduced, and propylene content is 0.3-0.4% in waste gas, has not only saved raw material, and divided beneficial to product
From and purification.The gas mixer 4 is provided with drain valve 5 close to rear end, when gas mixing, there is the water of part vapor
Vapour is condensed out, and is discharged by drain valve 5.
Embodiment 2：A kind of gas mixer produced for methacrylaldehyde of the present utility model, with it is involved in embodiment 1
And it is a kind of for methacrylaldehyde produce gas mixer difference centered on illustrate.
Each baffle groups are constituted by equally distributed 5 deflection plates 7 in horizontal direction, and adjacent baffle groups are in gas
Shifts to install up and down in body blender 4, make that mixed gas mixes under the baffling effect of deflection plate 7 is more uniform.
Embodiment 3：It is of the present utility model it is a kind of for methacrylaldehyde produce gas mixer, with embodiment 1 and implement
Illustrated in example 2 centered on a kind of difference of involved gas mixer produced for methacrylaldehyde.
Each baffle groups equally distributed 8 deflection plates 7 in horizontal direction are constituted, and adjacent baffle groups are in gas
Shifts to install up and down in blender 4, make that mixed gas mixes under the baffling effect of deflection plate 7 is more uniform.
Claims (6)
1. a kind of gas mixer produced for methacrylaldehyde, it is characterised in that：It is described including sealed gas mixer body
Gas mixer is disposed with air inlet duct, steam inlet tube and propylene inlet tube, the air inlet duct from front to back
Positioned at the front end of gas mixer, the rear end of the gas mixer is provided with mixed gas outlet pipe, the gas mixer
Rear end is provided with drain valve, the gas mixer is internally provided with n baffle groups, n >=1, the baffle groups
Shifted to install up and down in gas mixer.
2. a kind of gas mixer produced for methacrylaldehyde according to claim 1, it is characterised in that：The gas is mixed
Clutch is internally provided with 3 baffle groups, each baffle groups in horizontal direction equally distributed 3-8 baffle groups into.
3. a kind of gas mixer produced for methacrylaldehyde according to claim 1 or 2, it is characterised in that：Each folding
Flow plate group in horizontal direction equally distributed 5 baffle groups into.
4. a kind of gas mixer produced for methacrylaldehyde according to claim 3, it is characterised in that：Adjacent baffling
Plate group is shifted to install up and down in gas mixer.
5. a kind of gas mixer produced for methacrylaldehyde according to claim 1, it is characterised in that：The air enters
The diameter of mouth pipe is more than the diameter of steam inlet tube and propylene inlet tube.
6. a kind of gas mixer produced for methacrylaldehyde according to claim 1, it is characterised in that：The gaseous mixture
The diameter of outlet is more than the diameter of air inlet duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720271988.4U CN206604395U (en) | 2017-03-20 | 2017-03-20 | A kind of gas mixer produced for methacrylaldehyde |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720271988.4U CN206604395U (en) | 2017-03-20 | 2017-03-20 | A kind of gas mixer produced for methacrylaldehyde |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206604395U true CN206604395U (en) | 2017-11-03 |
Family
ID=60165213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720271988.4U Active CN206604395U (en) | 2017-03-20 | 2017-03-20 | A kind of gas mixer produced for methacrylaldehyde |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206604395U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111569691A (en) * | 2020-06-05 | 2020-08-25 | 镇江中化聚氨酯工业设备有限公司 | Axial flow type high-efficiency mixer |
| CN111911928A (en) * | 2020-07-15 | 2020-11-10 | 江苏迈阳环保有限公司 | Low-nitrogen combustion device of gas boiler |
-
2017
- 2017-03-20 CN CN201720271988.4U patent/CN206604395U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111569691A (en) * | 2020-06-05 | 2020-08-25 | 镇江中化聚氨酯工业设备有限公司 | Axial flow type high-efficiency mixer |
| CN111911928A (en) * | 2020-07-15 | 2020-11-10 | 江苏迈阳环保有限公司 | Low-nitrogen combustion device of gas boiler |
| CN111911928B (en) * | 2020-07-15 | 2022-12-06 | 江苏迈阳环保有限公司 | Low-nitrogen combustion device of gas boiler |
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