CN207330794U - A kind of oxidation reaction apparatus of quick cooling reacting gas used for formaldehyde production - Google Patents
A kind of oxidation reaction apparatus of quick cooling reacting gas used for formaldehyde production Download PDFInfo
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- CN207330794U CN207330794U CN201721143300.0U CN201721143300U CN207330794U CN 207330794 U CN207330794 U CN 207330794U CN 201721143300 U CN201721143300 U CN 201721143300U CN 207330794 U CN207330794 U CN 207330794U
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Abstract
The utility model discloses a kind of oxidation reaction apparatus of quick cooling reacting gas used for formaldehyde production, including base, groove is provided with the outer wall of the base top side, and it is welded with water tank on the inner wall of groove, water pump has been bolted in the bottom interior wall of the water tank, there is aqueduct by flanged joint on the side outer wall of the water pump, compressor for cold water has been bolted at the top of the water tank, the centre position of the base top outer wall is welded with rectifying column, methanol inlet gas pipe is welded with the side outer wall of the rectifying column, and it is welded with gas-tpe fitting on one end outer wall of the methanol inlet gas pipe away from rectifying column, hole is provided with the top exterior walls of the compressor for cold water, and it is welded with cold water conduit on the inner wall in hole.The utility model is replaced easy to the maintenance of pipeline so that cooling effect when again prepared by PARA FORMALDEHYDE PRILLS(91,95) is more preferable, simple in structure, and design is reasonable so that the service life increase of the device, has saved cost.
Description
Technical field
It the utility model is related to formaldehyde production equipment technical field, more particularly to a kind of quick cooling reaction used for formaldehyde production
The oxidation reaction apparatus of gas.
Background technology
Existing Formaldehyde Production is using refined methanol as raw material, using float stone silver method production technology.98% refined methanol is in methanol
Evaporation, then mixes with a certain proportion of air in evaporator, and adds dispensing steam, by heater be heated to 100 °C~
130 °C, then enter formaldehyde oxidation reactor after filter, spark arrester.In reactor, methanol, air, three vigour of water vapour
Body is by after electric furnace firing up, and under silver catalyst effect, oxidation and dehydrogenation reaction generation high temperature formaldehyde gas occur for methanol, then
High temperature formaldehyde gas is cooled to less than 100 °C, is absorbed through absorption tower, obtains 37% formalin, but existing preparation
Cooling device operating condition during formaldehyde is severe, greatly reduces the service life of equipment itself, and pipeline is highly vulnerable to breakage, and due to
Tube sheet is welded on oxidation reactor inner wall, can not be dismantled, and repair and replacement cost is big.
Utility model content
The purpose of this utility model is to solve shortcoming existing in the prior art, and is proposed a kind of used for formaldehyde production
The oxidation reaction apparatus of quick cooling reacting gas.
To achieve these goals, the utility model employs following technical solution：
A kind of oxidation reaction apparatus of quick cooling reacting gas used for formaldehyde production, including base, the base top one
Groove is provided with the outer wall of side, and water tank is welded with the inner wall of groove, passes through bolt in the bottom interior wall of the water tank
It is connected with water pump, has aqueduct by flanged joint on the side outer wall of the water pump, pass through bolt at the top of the water tank
Compressor for cold water is connected with, the centre position of the base top outer wall is welded with rectifying column, the side outer wall of the rectifying column
On be welded with methanol inlet gas pipe, and be welded with gas-tpe fitting, the cold water on one end outer wall of the methanol inlet gas pipe away from rectifying column
Hole is provided with the top exterior walls of compressor, and cold water conduit is welded with the inner wall in hole, is welded on the outer wall at the top of the rectifying column
Reaction tower body is connected to, the cold water conduit is welded on the side outer wall of reaction tower body on one end outer wall away from compressor for cold water
On, absorption tower top is welded with the top exterior walls of the reaction tower body, formaldehyde is welded with the side outer wall for absorbing tower top
Gas-guide tube, the formaldehyde gas-guide tube are welded with the first condenser, first condenser on the side outer wall away from absorption tower top
Bottom outer wall on the second condenser is welded with by connecting tube, cooling water is welded with the outer wall of the base top side and is returned
Receiving apparatus, and collector pipe is welded with the outer wall of base top.
Preferably, flange is welded with the side outer wall of the water pump, and is passed through on side outer wall of the flange away from water pump
Connecting rod has been bolted, filter screen is welded with one end outer wall of connecting rod.
Preferably, suction ventilator is welded with the top inner wall for absorbing tower top, and the cross-sectional area for absorbing tower top is more than
React the cross-sectional area of tower body.
Preferably, cooling isolated tube is welded with the inner wall of first condenser and the second condenser, and two cold
But it is wrapped with coiled pipe on the outer wall of isolated tube.
Preferably, the cooling water recovery device is made of babinet, suction pump, water body purification machine and water body detector, is taken out
Water pump is bolted in the bottom interior wall of babinet, and water body purification machine is welded on the side outer wall of shell, water body detection
Device is bonded on casing top inner wall.
Preferably, installing plate is welded with the bottom interior wall of the rectifying column, and is welded with and adds in installing plate top exterior walls
Heated filament, and the shape of heater strip is cylindric for solderless wrapped connection.
The beneficial effects of the utility model are：The utility model water pipe, tracheae are detachable, and are respectively provided with every pipeline
There is valve, be fixed by bolts, detachably, replaced easy to the maintenance of pipeline, double-deck design of condenser use, while internal layer
The mode of solderless wrapped connection snakelike conduit in cooling isolation pipe outer wall so that cooling effect when again prepared by PARA FORMALDEHYDE PRILLS(91,95) is more preferable, whole device
Simple in structure, design is reasonable so that the service life increase of the device, has saved cost, can reach the effect that people want.
Brief description of the drawings
Fig. 1 be the utility model proposes a kind of quick cooling reacting gas used for formaldehyde production oxidation reaction apparatus knot
Structure schematic diagram；
Fig. 2 be the utility model proposes a kind of quick cooling reacting gas used for formaldehyde production oxidation reaction apparatus the
One condenser and the second condenser structure schematic diagram.
In figure：It is 1 base, 2 water pumps, 3 water tanks, 4 aqueducts, 5 compressor for cold water, 6 methanol inlet gas pipes, 7 rectifying columns, 8 cold
Water conduit, 9 reaction tower bodies, 10 absorb tower top, 11 formaldehyde gas-guide tubes, 12 first condensers, 13 second condensers, 14 cooling waters and return
Receiving apparatus, 15 collector pipes, 16 cooling isolated tubes, 17 coiled pipes.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
With reference to Fig. 1-2, a kind of oxidation reaction apparatus of quick cooling reacting gas used for formaldehyde production, including base 1, base
Groove is provided with the outer wall of 1 top side, and water tank 3 is welded with the inner wall of groove, is passed through in the bottom interior wall of water tank 3
It has been bolted water pump 2, has had aqueduct 4 by flanged joint on the side outer wall of water pump 2, the top of water tank 3 passes through bolt
Compressor for cold water 5 is connected with, the centre position of 1 top exterior walls of base is welded with rectifying column 7, is welded on the side outer wall of rectifying column 7
Methanol inlet gas pipe 6 is connected to, and gas-tpe fitting, compressor for cold water are welded with one end outer wall of the methanol inlet gas pipe 6 away from rectifying column 7
Hole is provided with 5 top exterior walls, and cold water conduit 8 is welded with the inner wall in hole, reaction is welded with the outer wall at the top of rectifying column 7
Tower body 9, cold water conduit 8 are welded on one end outer wall away from compressor for cold water 5 on the side outer wall of reaction tower body 9, reaction tower
It is welded with the top exterior walls of body 9 and absorbs tower top 10, is absorbed and be welded with formaldehyde gas-guide tube 11, formaldehyde on the side outer wall of tower top 10
Gas-guide tube 11 on the side outer wall for absorbing tower top 10 away from being welded with the first condenser 12, in the bottom outer wall of the first condenser 12
Second condenser 13 is welded with by connecting tube, cooling water recovery device 14, and bottom are welded with the outer wall of 1 top side of base
Collector pipe 15 is welded with the outer wall at the top of seat 1.
In the utility model, flange is welded with the side outer wall of water pump 2, and on side outer wall of the flange away from water pump 2
Connecting rod has been bolted, filter screen is welded with one end outer wall of connecting rod, has absorbed and is welded in the top inner wall of tower top 10
Suction ventilator is connected to, and the cross-sectional area for absorbing tower top 10 is more than the cross-sectional area of reaction tower body 9, the first condenser 12 and second is cold
Cooling isolated tube 16 is welded with the inner wall of condenser 13, and coiled pipe is wrapped with the outer wall of two cooling isolated tubes 16
17, cooling water recovery device 14 is made of babinet, suction pump, water body purification machine and water body detector, and suction pump is connected by bolt
It is connected in the bottom interior wall of babinet, water body purification machine is welded on the side outer wall of shell, and water body detector is bonded in babinet top
On portion's inner wall, installing plate is welded with the bottom interior wall of rectifying column 7, and heater strip is welded with installing plate top exterior walls, and is added
The shape of heated filament is cylindric for solderless wrapped connection.
Operation principle：In use, operator is bolted to methanol on methanol inlet gas pipe 6 by flange, it is right by rectifying column 7
Gas carries out distillation processing so that chemical reaction generation formaldehyde occurs for methanol, and then formaldehyde is entered in the centre of reaction tower body 9
Portion, is then absorbed into the first condenser 12 and the second condenser 13 by absorption tower top 10 and carries out cooling and become liquid again
State, the water inside water tank 3 enters compressor for cold water 5 by aqueduct 4 and is cooled down, then into the first condenser 12
With the second condenser 13, after completing refrigerating function, water can be cooled water recovery device 14 again and collector pipe 15 is collected again
Water tank 3 is entered to be reused.
The above, is only the preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of oxidation reaction apparatus of quick cooling reacting gas used for formaldehyde production, including base（1）, it is characterised in that institute
State base（1）Groove is provided with the outer wall of top side, and water tank is welded with the inner wall of groove（3）, the water tank（3）
Bottom interior wall on water pump has been bolted（2）, the water pump（2）Side outer wall on by flanged joint have aqueduct
（4）, the water tank（3）Top compressor for cold water has been bolted（5）, the base（1）The centre of top exterior walls
Position is welded with rectifying column（7）, the rectifying column（7）Side outer wall on be welded with methanol inlet gas pipe（6）, and methanol inlet gas pipe
（6）Away from rectifying column（7）One end outer wall on be welded with gas-tpe fitting, the compressor for cold water（5）Top exterior walls on be provided with
Hole, and cold water conduit is welded with the inner wall in hole（8）, the rectifying column（7）Reaction tower body is welded with the outer wall at top（9）,
The cold water conduit（8）Away from compressor for cold water（5）One end outer wall on be welded on reaction tower body（9）Side outer wall on, institute
State reaction tower body（9）Top exterior walls on be welded with absorption tower top（10）, the absorption tower top（10）Side outer wall on weld
There is formaldehyde gas-guide tube（11）, the formaldehyde gas-guide tube（11）Away from absorption tower top（10）Side outer wall on be welded with the first condensation
Device（12）, first condenser（12）Bottom outer wall on the second condenser is welded with by connecting tube（13）, the base
（1）Cooling water recovery device is welded with the outer wall of top side（14）, and base（1）Collector pipe is welded with the outer wall at top
（15）.
2. a kind of oxidation reaction apparatus of quick cooling reacting gas used for formaldehyde production according to claim 1, its feature
It is, the water pump（2）Side outer wall on be welded with flange, and flange is away from water pump（2）Side outer wall on pass through bolt
Connecting rod is connected with, filter screen is welded with one end outer wall of connecting rod.
3. a kind of oxidation reaction apparatus of quick cooling reacting gas used for formaldehyde production according to claim 1, its feature
It is, the absorption tower top（10）Top inner wall on be welded with suction ventilator, and absorb tower top（10）Cross-sectional area be more than it is anti-
Answer tower body（9）Cross-sectional area.
4. a kind of oxidation reaction apparatus of quick cooling reacting gas used for formaldehyde production according to claim 1, its feature
It is, first condenser（12）With the second condenser（13）Inner wall on be welded with cooling isolated tube（16）, and two
Cool down isolated tube（16）Outer wall on be wrapped with coiled pipe（17）.
5. a kind of oxidation reaction apparatus of quick cooling reacting gas used for formaldehyde production according to claim 1, its feature
It is, the cooling water recovery device（14）It is made of babinet, suction pump, water body purification machine and water body detector, suction pump leads to
Cross and be bolted in the bottom interior wall of babinet, water body purification machine is welded on the side outer wall of shell, water body detector bonding
On casing top inner wall.
6. a kind of oxidation reaction apparatus of quick cooling reacting gas used for formaldehyde production according to claim 1, its feature
It is, the rectifying column（7）Bottom interior wall on be welded with installing plate, and be welded with heater strip in installing plate top exterior walls, and
The shape of heater strip is cylindric for solderless wrapped connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721143300.0U CN207330794U (en) | 2017-09-07 | 2017-09-07 | A kind of oxidation reaction apparatus of quick cooling reacting gas used for formaldehyde production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721143300.0U CN207330794U (en) | 2017-09-07 | 2017-09-07 | A kind of oxidation reaction apparatus of quick cooling reacting gas used for formaldehyde production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207330794U true CN207330794U (en) | 2018-05-08 |
Family
ID=62372459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721143300.0U Active CN207330794U (en) | 2017-09-07 | 2017-09-07 | A kind of oxidation reaction apparatus of quick cooling reacting gas used for formaldehyde production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207330794U (en) |
-
2017
- 2017-09-07 CN CN201721143300.0U patent/CN207330794U/en active Active
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