CN208824449U - A kind of novel silver formaldehyde oxidator - Google Patents
A kind of novel silver formaldehyde oxidator Download PDFInfo
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- CN208824449U CN208824449U CN201821284431.5U CN201821284431U CN208824449U CN 208824449 U CN208824449 U CN 208824449U CN 201821284431 U CN201821284431 U CN 201821284431U CN 208824449 U CN208824449 U CN 208824449U
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- heat exchanger
- exchanger tube
- perforated plate
- oxidator
- outer barrel
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Abstract
The utility model discloses a kind of novel silver formaldehyde oxidators, the oxidator includes outer barrel and the inner cylinder embedded in outer barrel top, steam (vapor) outlet, sewage draining exit, water inlet, finished product outlet, jacket cylinder, expansion joint and support are provided on outer barrel, outer barrel is internally provided with upper perforated plate, heat exchanger tube, lower perforated plate and lower shell, tube sheet and heat exchanger tube weld, inner cylinder is internally provided with insulation ring, insulation ring is set to the top of upper perforated plate, copper sieve plate is provided in insulation ring, it is covered with catalyst on copper sieve plate, is provided with vessel flange on inner cylinder.In the utility model, there are two types of the connection type settings of tube sheet and heat exchanger tube, both modes reduce the temperature of heat exchanger tube upper end, extend the service life of heat exchanger tube, while structure is simple, and the impurity for reacting generation is few, and product yield is high.
Description
Technical field
The utility model relates to chemical industry oxidation furnaces field, specifically a kind of novel silver formaldehyde oxidator.
Background technique
Oxidation of formaldehyde device is one of the capital equipment for producing formaldehyde, the design structure of oxidator and the quality of formaldehyde finished product and
The service life of oxidator has close relationship.And in the oxidation reaction in oxidator, the position of catalyst and oxidation temperature
The variation of degree is link extremely critical in oxidation reaction.In oxidation reaction, the excessively high meeting of reaction temperature so that reaction speed is too fast,
Increase so as to cause side reaction, impurity increases；The too low meeting of reaction temperature is so that reaction speed is excessively slow, so as to cause production efficiency
It is low.Therefore, oxidator is particularly important to the control of temperature.In addition, because the variation of temperature easilys lead to the drawing of heat exchanger tube top
It splits and breaks, influence the service life of oxidator.
Utility model content
The purpose of this utility model is to provide a kind of novel silver formaldehyde oxidators, to solve in the prior art ask
Topic.
To achieve the above object, the utility model provides the following technical solutions:
A kind of novel silver formaldehyde oxidator includes outer barrel and the inner cylinder embedded in outer barrel top, is arranged on outer barrel
There are steam (vapor) outlet, sewage draining exit, water inlet and finished product outlet, is disposed with upper perforated plate, heat exchanger tube, lower perforated plate inside outer barrel
And lower shell, upper perforated plate and lower perforated plate are welded with one end of heat exchanger tube respectively, lower shell is connected to lower perforated plate, sets inside inner cylinder
It is equipped with insulation ring, insulation ring is set to the top of upper perforated plate, and it is provided with copper sieve plate in insulation ring, is provided with aperture on copper sieve plate,
It is covered with catalyst on copper sieve plate, is provided with vessel flange on inner cylinder.
Preferably, heat exchanger tube is welded with copper lining board close to one end of upper perforated plate, copper lining board be set to copper sieve plate with
Between upper perforated plate.
Preferably, heat exchanger tube is under water close to one end of upper perforated plate.
Preferably, heat exchanger tube is stainless steel copper multiple tube, and heat exchanger tube is internally provided with fin, the both ends of fin with
The closing connection of heat exchanger tube pipe shaft.
Preferably, heat exchanger tube is stainless steel copper multiple tube, and heat exchanger tube is internally provided with plug, and plug is detachable,
Screw thread is provided on plug.
Preferably, upper tube back is provided with reinforcing rib, and upper perforated plate is rigid tube sheet, and lower perforated plate is flexible pipe
Plate.
Preferably, steam (vapor) outlet is set to the top of outer barrel, and the height of steam (vapor) outlet position is higher than upper
The height of tube sheet and heat exchanger tube position, steam (vapor) outlet are connected to the inside of outer barrel.
Preferably, finished product outlet is set to the bottom of outer barrel, and finished product outlet is connected to lower shell.
Preferably, the sectional area of lower shell gradually becomes smaller along the direction of lower perforated plate to finished product outlet.
Preferably, expansion joint, jacket cylinder and the support of protrusion are provided on outer barrel, support is set to outer cylinder
The stack shell of body, support are hanging support.
Preferably, copper sieve plate can also be substituted for copper sieve.
Compared with prior art, the utility model has the beneficial effects that reaction gas enters inner cylinder from vessel flange
Interior insulation ring is reacted with the catalyst in insulation ring on copper sieve plate, and gas passes through from the aperture on copper sieve plate after reaction
Upper perforated plate is directly entered heat exchanger tube cooling, and cooling velocity is fast, and reaction impurities are fewer, improves the yield of finished product.Gas after reaction
Body finished product passes through lower perforated plate and lower shell, is discharged from finished product outlet.Insulation ring is provided in inner cylinder, reduce copper sieve plate with
Upper perforated plate junction thermal (temperature difference) stress due to caused by excessive temperature gradient prevents the safe operation to oxidator to constitute prestige
The side of body.Upper perforated plate is the rigid tube sheet that the back side is provided with reinforcing rib, and upper perforated plate can be prevented because of the use of catalyst cracks,
Lower perforated plate is flexible tubesheet, can compensate heat exchanger tube by thermogenetic flexible.Heat exchanger tube uses stainless steel copper multiple tube, on the one hand
The speed of heat transfer is accelerated, the corrosion resistance of heat exchanger tube is on the other hand enhanced.Heat exchanger tube is internally provided with fin, and the two of fin
End is connected with the closing of heat exchanger tube pipe shaft, and such structure improves the heat-conducting effect of heat exchanger tube, or is arranged inside heat exchanger tube
There is plug, plug is detachable, and screw thread is provided on plug, can also be improved the heat-conducting effect of heat exchanger tube in this way.Heat exchanger tube is close
One end of upper perforated plate is provided with copper lining board, and due to the heat transfer effect of copper lining board, heat can quickly be passed to the pipe shaft of heat exchanger tube,
It exchanges heat, so that heat exchanger tube declines close to one end temperature of upper perforated plate, extends the service life of heat exchanger tube；Or it will change
Heat pipe is under water close to one end of upper perforated plate, so that heat exchanger tube is not affected by high temperatures.On the one hand heat exchanger tube passes through jacket cylinder
It exchanges heat, structure is simple, on the other hand, is cooled down by water, accelerates the efficiency of heat exchanger tube heat exchange.It is provided on outer barrel
Expansion joint compensates for axial direction, the lateral displacement of cylinder, prevents cylinder and causes to deform because of thermal stretching or temperature stress or damage
It is bad.Steam (vapor) outlet is set to the top of outer barrel, and it is in order to cold that the position of steam (vapor) outlet, which is higher than the height of upper perforated plate and heat exchanger tube,
But upper perforated plate and heat exchanger tube prevent cooling effect after water vapor bad.The sectional area of lower shell is arranged along lower perforated plate to finished product
The direction of outlet gradually becomes smaller, and facilitates collection finished product.Support is hanging support, and the stack shell of outer barrel is arranged in, on the one hand, because
The bottom of outer barrel is arranged in lower shell, and the bottom of lower shell is provided with finished product outlet, if outer barrel is arranged in support
Bottom, then the discharge of inconvenient finished product；On the other hand, so that the fixation of the oxidator, support more flexibly.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of novel silver formaldehyde oxidator of the utility model；
Fig. 2 is a kind of tube sheet of novel silver formaldehyde oxidator of the utility model and a kind of welding schematic diagram of heat exchanger tube；
Fig. 3 is that another welding of the tube sheet and heat exchanger tube of a kind of novel silver formaldehyde oxidator of the utility model is illustrated
Figure；
Fig. 4 is a kind of heat exchanger tube inner fins structural schematic diagram of novel silver formaldehyde oxidator of the utility model；
Fig. 5 is a kind of structural representation of the heat exchanger tube internal helicoid plug of novel silver formaldehyde oxidator of the utility model
Figure；
Fig. 6 is the reinforcing rib position view in a kind of upper perforated plate of novel silver formaldehyde oxidator of the utility model.
In figure: 1- steam (vapor) outlet, 2- support, 3- expansion joint, 4- jacket cylinder, 5- sewage draining exit, 6- water inlet, 7- outer cylinder
Body, 8- heat exchanger tube, 8a- fin, 8b- plug, 9- inner cylinder, 10- vessel flange, 11- copper sieve plate, 12- upper perforated plate, 12a- reinforce
Muscle, 13- insulation ring, 14- lower perforated plate, 15- lower shell, 16- finished product outlet, 17- copper lining board.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
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.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1~6, in the utility model embodiment, a kind of novel silver formaldehyde oxidator includes outer barrel 7 and embedding
Inner cylinder 9 in 7 top of outer barrel is provided with steam (vapor) outlet 1, sewage draining exit 5, water inlet 6 and finished product outlet on outer barrel 7
16, upper perforated plate 12, heat exchanger tube 8, lower perforated plate 14 and lower shell 15, upper perforated plate 12 and lower perforated plate are disposed with inside outer barrel 7
14 weld with one end of heat exchanger tube 8 respectively, and lower shell 15 is connected to lower perforated plate 14, and inner cylinder 9 is internally provided with insulation ring 13, every
Gas ket 13 is set to the top of upper perforated plate 12, and copper sieve plate 11 is provided in insulation ring 13, and aperture, copper sieve are provided on copper sieve plate 11
It is covered with catalyst on plate 11, vessel flange 10 is provided on inner cylinder 9.
Heat exchanger tube 8 as shown in Figure 2 is welded with copper lining board 17 close to one end of upper perforated plate 12, and copper lining board 17 is set to copper sieve
Between plate 11 and upper perforated plate 12；Or heat exchanger tube 8 is under water close to one end of upper perforated plate 12 as shown in Figure 3.
Heat exchanger tube 8 as shown in Figure 4 is stainless steel copper multiple tube, and heat exchanger tube 8 is internally provided with fin 8a, the two of fin 8a
End is connected with the closing of 8 pipe shaft of heat exchanger tube；Or heat exchanger tube 8 is stainless steel copper multiple tube as shown in Figure 5, is arranged inside heat exchanger tube 8
There is plug 8b, plug 8b is detachable, is provided with screw thread on plug 8b.
12 back side of upper perforated plate as shown in Figure 6 is provided with reinforcing rib 12a, and upper perforated plate 12 is rigid tube sheet, and lower perforated plate 14 is to scratch
Property tube sheet.
Steam (vapor) outlet 1 is set to the top of outer barrel 7, and the height of 1 position of steam (vapor) outlet is higher than upper perforated plate 12 and changes
The height of 8 position of heat pipe, steam (vapor) outlet 1 are connected to the inside of outer barrel 7.
Finished product outlet 16 is set to the bottom of outer barrel 7, and finished product outlet 16 is connected to lower shell 15.
The sectional area of lower shell 15 gradually becomes smaller along the direction of lower perforated plate 14 to finished product outlet 16.
Expansion joint 3, jacket cylinder 4 and the support 2 of protrusion are provided on outer barrel 7, support 2 is set to the cylinder of outer barrel 7
Body, support 2 are hanging support.
Copper sieve plate 11 can also be substituted for copper sieve.
The working principle of the utility model is: reaction gas from vessel flange 10 enter inner cylinder 9 in insulation ring
13, it is reacted with the catalyst on copper sieve plate 11 in insulation ring 13, gas is from the aperture on copper sieve plate 11, process after reaction
Tube sheet 12 is directly entered the cooling of heat exchanger tube 8, and cooling velocity is fast, and reaction impurities are fewer, improves the yield of finished product.Gas after reaction
Body finished product passes through lower perforated plate 14 and lower shell 15, is discharged from finished product outlet 16.It is provided with insulation ring 13 in inner cylinder 9, reduces
Copper sieve plate 11 and 12 junction of upper perforated plate thermal (temperature difference) stress due to caused by excessive temperature gradient, prevent the peace to oxidator
Row for the national games constitutes a threat to.Heat exchanger tube 8 uses stainless steel copper multiple tube, on the one hand accelerates the speed of heat transfer, on the other hand enhances
The corrosion resistance of heat exchanger tube 8.Upper perforated plate 12 is the rigid tube sheet that the back side is provided with reinforcing rib, can prevent upper perforated plate 12 because
It is cracked for the use of catalyst, lower perforated plate 14 is flexible tubesheet, can compensate heat exchanger tube 8 by thermogenetic flexible.Heat exchange
Pipe 8 uses stainless steel copper multiple tube, on the one hand accelerates the speed of heat transfer, on the other hand enhances the corrosion resistance of heat exchanger tube.
Heat exchanger tube 8 is internally provided with fin 8a, and the both ends of fin 8a and the closing of 8 pipe shaft of heat exchanger tube connect, and such structure, which improves, changes
The heat-conducting effect of heat pipe 8, or it is internally provided with plug 8b in heat exchanger tube 8, plug 8b is detachable, is provided with spiral shell on plug 8b
Line can also be improved the heat-conducting effect of heat exchanger tube 8 in this way.Heat exchanger tube 8 is provided with copper lining board 17 close to one end of upper perforated plate 12, by
In the heat transfer effect of copper lining board 17, heat can be passed to quickly to the pipe shaft of heat exchanger tube 8, exchanged heat, so that heat exchanger tube
8 close to upper perforated plate 12 one end temperature decline, extend heat exchanger tube 8 service life；Or by heat exchanger tube 8 close to upper perforated plate 12
One end is under water, so that heat exchanger tube 8 is not affected by high temperatures.8 one side of heat exchanger tube is exchanged heat by jacket cylinder 4, structure
Simply, on the other hand, cooled down by water, accelerate the efficiency of the heat exchange of heat exchanger tube 8.It is provided with expansion joint 3 on outer barrel 7, mends
Axial direction, the lateral displacement for having repaid cylinder prevent cylinder because of thermal stretching or temperature stress and cause deformation or damage.Steam (vapor) outlet
1 is set to the top of outer barrel 7, and it is in order in cooling that the position of steam (vapor) outlet 1, which is higher than the height of upper perforated plate 12 and heat exchanger tube 8,
Tube sheet 12 and heat exchanger tube 8 prevent cooling effect after water vapor bad.The sectional area of lower shell 15 arrives finished product along lower perforated plate 14
The direction of outlet 16 gradually becomes smaller, and facilitates collection finished product.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (10)
1. a kind of novel silver formaldehyde oxidator, it is characterised in that: the oxidator includes outer barrel (7) and is embedded in outer barrel (7)
The inner cylinder (9) on top is provided with steam (vapor) outlet (1), sewage draining exit (5), water inlet (6) and finished product row on the outer barrel (7)
It exports (16), is disposed with upper perforated plate (12), heat exchanger tube (8), lower perforated plate (14) and lower shell inside the outer barrel (7)
(15), the upper perforated plate (12) and lower perforated plate (14) are welded with one end of heat exchanger tube (8) respectively, the lower shell (15) and down tube
Plate (14) connection, the inner cylinder (9) are internally provided with insulation ring (13), and the insulation ring (13) is set to upper perforated plate (12)
Top, the insulation ring (13) is interior to be provided with copper sieve plate (11), and aperture, the copper sieve plate are provided on the copper sieve plate (11)
(11) it is covered with catalyst on, is provided with vessel flange (10) on the inner cylinder (9).
2. a kind of novel silver formaldehyde oxidator according to claim 1, it is characterised in that: the heat exchanger tube (8) is close
One end of upper perforated plate (12) is welded with copper lining board (17), the copper lining board (17) be set to copper sieve plate (11) and upper perforated plate (12) it
Between.
3. a kind of novel silver formaldehyde oxidator according to claim 1, it is characterised in that: the heat exchanger tube (8) is close
One end of upper perforated plate (12) is under water.
4. a kind of novel silver formaldehyde oxidator according to claim 2 or 3, it is characterised in that: the heat exchanger tube (8) is
Stainless steel copper multiple tube, the heat exchanger tube (8) are internally provided with fin (8a), the both ends and heat exchanger tube (8) of the fin (8a)
Pipe shaft closing connection.
5. a kind of novel silver formaldehyde oxidator according to claim 2 or 3, it is characterised in that: the heat exchanger tube (8) is
Stainless steel copper multiple tube, the heat exchanger tube (8) are internally provided with plug (8b), the plug (8b) detachably, the plug
Screw thread is provided on (8b).
6. a kind of novel silver formaldehyde oxidator according to claim 4, it is characterised in that: upper perforated plate (12) back side
It is provided with reinforcing rib (12a), the upper perforated plate (12) is rigid tube sheet, and the lower perforated plate (14) is flexible tubesheet.
7. a kind of novel silver formaldehyde oxidator according to claim 6, it is characterised in that: the steam (vapor) outlet (1) sets
It is placed in the top of outer barrel (7), the height of steam (vapor) outlet (1) position is higher than upper perforated plate (12) and heat exchanger tube (8) institute
Height in position, the steam (vapor) outlet (1) are connected to the inside of outer barrel (7).
8. a kind of novel silver formaldehyde oxidator according to claim 7, it is characterised in that: the finished product outlet (16)
It is set to the bottom of outer barrel (7), the finished product outlet (16) is connected to lower shell (15).
9. a kind of novel silver formaldehyde oxidator according to claim 8, it is characterised in that: the lower shell (15) is cut
Area gradually becomes smaller along the direction of lower perforated plate (14) to finished product outlet (16).
10. a kind of novel silver formaldehyde oxidator according to claim 9, it is characterised in that: set on the outer barrel (7)
It is equipped with expansion joint (3), jacket cylinder (4) and the support (2) of protrusion, the support (2) is set to the stack shell of outer barrel (7), institute
Stating support (2) is hanging support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821284431.5U CN208824449U (en) | 2018-08-10 | 2018-08-10 | A kind of novel silver formaldehyde oxidator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821284431.5U CN208824449U (en) | 2018-08-10 | 2018-08-10 | A kind of novel silver formaldehyde oxidator |
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| Publication Number | Publication Date |
|---|---|
| CN208824449U true CN208824449U (en) | 2019-05-07 |
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ID=66308825
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821284431.5U Active CN208824449U (en) | 2018-08-10 | 2018-08-10 | A kind of novel silver formaldehyde oxidator |
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| CN (1) | CN208824449U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110252209A (en) * | 2019-07-23 | 2019-09-20 | 江苏永大化工设备有限公司 | A kind of efficient formaldehyde oxidator |
-
2018
- 2018-08-10 CN CN201821284431.5U patent/CN208824449U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110252209A (en) * | 2019-07-23 | 2019-09-20 | 江苏永大化工设备有限公司 | A kind of efficient formaldehyde oxidator |
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