CN204051630U - The hydrogen cyanide reactor of built-in corrugated type spark arrester - Google Patents
The hydrogen cyanide reactor of built-in corrugated type spark arrester Download PDFInfo
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- CN204051630U CN204051630U CN201420045353.9U CN201420045353U CN204051630U CN 204051630 U CN204051630 U CN 204051630U CN 201420045353 U CN201420045353 U CN 201420045353U CN 204051630 U CN204051630 U CN 204051630U
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Abstract
A kind of hydrogen cyanide reactor of built-in corrugated type spark arrester, comprise reactor body, the two ends of reactor body are respectively equipped with gas access and gas vent, reactor body is built with catalyst, be provided with heat exchanger tube between catalyst and gas vent, in reactor body, be provided with the ripple type spark arrester between gas access and catalyst.By arranging ripple type spark arrester in reactor body, even if when there is burning in reaction gas mixtures, flame also can be limited in the below of spark arrester by ripple type spark arrester, can effectively prevent flame from playing a reversed role and spread, and improves security performance and the service life of reactor; Reaction gas mixtures is by the flame retardant bed of ripple type spark arrester, can be dispersed, reduce radial air flow difference, improve reaction effect, and can stop that the impurity in reaction gas mixtures and equipment pipe takes on catalyst, avoid catalyst poisoning, and then can stabilizing catalyst activity, improve catalyst life, ensure the long-period stable operation of production system.
Description
Technical field
The utility model belongs to the preparing technical field of hydrogen cyanide, is specifically related to a kind of hydrogen cyanide reactor of built-in corrugated type spark arrester.
Background technology
Existing commercial synthesis hydrogen cyanide mainly adopts iS-One method to produce, and hydrogen cyanide reactor is the core apparatus in the hydrogen cyanide technological process of production.The principle that iS-One method produces hydrogen cyanide is: the reaction gas mixtures of methane or the natural gas containing methane, ammonia and oxygen is passed through catalyst gauze in the reactor, and transforms at the temperature of about 1000 DEG C.Wherein, oxygen generally uses with the form of air or oxygen-enriched air, and catalyst generally adopts platinum-rhodium alloy or platinum-rhodium-palldium alloy.In the process preparing hydrogen cyanide, because temperature is very high, and in reaction gas mixtures, there is inflammable and explosive hydrogen cyanide, methane, ammonia, therefore, in existing hydrogen cyanide production equipment, generally establish independent spark arrester in the outside of hydrogen cyanide reactor, although this spark arrester can play the object stoping propagation of flame to a certain extent, but, because spark arrester is arranged on outside reactor, flame can spread in reactor, unstripped gas ignition is caused to explode, not only increase the back-fire relief difficulty of spark arrester, but also security performance and the service life of reactor can be reduced.In addition, inevitably carry some impurity secretly in reaction gas mixtures and equipment pipe, these impurity can adhere to and cause catalyst poisoning on a catalyst, and then reduce the activity of catalyst, catalyst change is frequent, affects the long-period stable operation of production system.
Summary of the invention
In view of this, the purpose of this utility model is the hydrogen cyanide reactor providing a kind of built-in corrugated type spark arrester, and flame can be limited in less scope by this hydrogen cyanide reactor, effectively can improve the security performance of reactor.
For achieving the above object, the utility model provides following technical scheme:
A kind of hydrogen cyanide reactor of built-in corrugated type spark arrester, comprise reactor body, the two ends of described reactor body are respectively equipped with gas access and gas vent, described reactor body is built with catalyst, be provided with heat exchanger tube between described catalyst and described gas vent, in described reactor body, be provided with the ripple type spark arrester between described gas access and described catalyst.
Further, described ripple type spark arrester comprises at least one deck ripple type flame retardant bed.
Further, the wave height of described ripple type flame retardant bed is 0.3-0.6mm, and the thickness of ripple type flame retardant bed is 60-90mm.
Further, the wave height of described ripple type flame retardant bed is 0.4mm, and the thickness of ripple type flame retardant bed is 75mm.
Further, the air-permeable layer for filtering the impurity in reacting gas is provided with between described ripple type spark arrester and described gas mixing zone.
Further, the distance between described ripple type spark arrester and described catalyst is greater than 30mm.
Further, the inwall of corresponding with described ripple type spark arrester and catalyst described gas reactor is provided with the liner adopting heat proof material to support.
Further, be provided with gas mixing zone, be provided with gas mixer in described gas mixing zone between described ripple type spark arrester and described gas access, described gas mixer comprises at least one gas mixing units flowing to setting along described reacting gas.
Further, described gas mixing units comprises gas mixer body, described gas mixer body is provided with internal diameter flows to change gas guiding channel along reacting gas, and in described gas mixer body, be provided with the gas mixing chamber communicated with described gas guiding channel, the bottom surface of described gas mixing chamber described gas guiding channel is dorsad provided with venthole in array.
Further, described venthole is arranged on the edge of described gas mixing chamber bottom surface.
The beneficial effects of the utility model are:
The hydrogen cyanide reactor of the built-in spark arrester of the utility model, by arranging the ripple type spark arrester between gas access and catalyst in reactor body, even if when there is burning in reaction gas mixtures, flame also can be limited in the below of spark arrester by ripple type spark arrester, can effectively prevent from flame from playing a reversed role to spread, cause unstripped gas ignition to explode, improve security performance and the service life of reactor; Reaction gas mixtures, can be dispersed by the flame retardant bed of ripple type spark arrester, reduces radial air flow difference, improves reaction effect; In addition, ripple type spark arrester is set by square on a catalyst, can stops that the impurity in reaction gas mixtures and equipment pipe takes on catalyst, avoid catalyst poisoning, and then can stabilizing catalyst activity, improve catalyst life, ensure the long-period stable operation of production system.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and beneficial effect clearly, the utility model provides following accompanying drawing to be described:
Fig. 1 is the structural representation of the hydrogen cyanide reactor embodiment of the built-in corrugated type spark arrester of the utility model;
Fig. 2 is the structural representation of gas mixing units.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
As shown in Figure 1, be the structural representation of the hydrogen cyanide reactor embodiment of the built-in corrugated type spark arrester of the utility model.The hydrogen cyanide reactor of the built-in corrugated type spark arrester of the present embodiment, comprise reactor body 1, the two ends of reactor body 1 are respectively equipped with gas access 2 and gas vent 3, reactor body 1 is built with catalyst 4, be provided with heat exchanger tube 5 between catalyst 4 and gas vent 3, in reactor body 1, be provided with the ripple type spark arrester 6 between gas access 2 and catalyst 4.The gas reactor of the present embodiment comprises kettle 1a, and the two ends of kettle 1a are respectively equipped with upper cover 1b and lower cover 1c, and gas access 2 is arranged on upper cover 1b, and gas vent 3 is arranged on lower cover 1c.Concrete, the ripple type spark arrester 6 of the present embodiment comprises at least one deck ripple type flame retardant bed 6a, and the wave height of ripple type flame retardant bed 6a is 0.3-0.6mm, and the thickness of ripple type flame retardant bed 6a is 60-90mm, can meet the requirement of back-fire relief.Concrete, the ripple type spark arrester of the present embodiment comprises one deck ripple type flame retardant bed, and the wave height of ripple type flame retardant bed 6a is 0.4mm, and thickness is 75mm.The two ends up and down of ripple type flame retardant bed are respectively equipped with pressing plate and backing plate.
Preferably, be provided with the air-permeative filter layer for filtering the impurity in reacting gas between ripple type spark arrester 6 and gas access 2, air-permeative filter layer can adopt mineral wool to make, and for removing the granule foreign in reacting gas, prevents catalyst poisoning.In addition, by arranging ripple type spark arrester 6 and air-permeative filter layer, when reacting gas is by air-permeative filter layer and ripple type spark arrester 6, can produce a pressure reduction, this pressure reduction can enable reaction gas mixtures enter equably in catalyst 4.Preferably, the distance between ripple type spark arrester 6 and catalyst 4 is greater than 30mm, and be preferably at least 60mm, the distance between the ripple type spark arrester 6 of the present embodiment and catalyst 4 is 80mm.
Further, the inwall of the reactor body 1 corresponding with ripple type spark arrester 6 and catalyst 4 is provided with the thermal insulation layer 8 adopting heat proof material to make, and prevents reactor body 1 from damaging.
Further, gas mixing zone is provided with between ripple type spark arrester 6 and gas access 2, gas mixer is provided with in gas mixing zone 5, gas mixer comprises at least one gas mixing units flowing to setting along reacting gas, be provided with a gas mixer in the gas mixing zone 5 of the present embodiment, according to actual needs, gas mixing units can be set to two or more, its principle is suitable, is not repeated.The gas mixing units of the present embodiment comprises gas mixer body 9, gas mixer body 9 is provided with internal diameter flows to change gas guiding channel 10 along reacting gas, and namely the internal diameter of flow-guiding channel 10 can reduce gradually along the flow direction of reacting gas, increases gradually or replace change in what increase gradually, reduce.The gas mixing chamber 11 communicated with gas guiding channel 10 is provided with in gas mixer body 9, the bottom surface of gas mixing chamber 11 described gas guiding channel is dorsad provided with venthole 12 in array, the venthole 12 of the present embodiment is arranged on the edge of gas mixing chamber 11 bottom surface, gas mixer body 9 and gas access 2 are provided with cavity, reacting gas tentatively mixes at cavity, then under the effect of gas guiding channel 10, enter in gas mixing chamber 11, because the internal diameter of gas guiding channel 10 reduces gradually, reacting gas can be thoroughly mixed in gas guiding channel 10 and at gas mixing chamber 11, the mixture homogeneity of reacting gas can be ensured.Preferably, the center of gas guiding channel 10 is provided with deflection cone 13, can optimize reacting gas and flow to, and is convenient to reacting gas mixing.
The hydrogen cyanide reactor of the built-in spark arrester of the present embodiment, by arranging the ripple type spark arrester 6 between gas access 2 and catalyst 4 in reactor body 1, even if when there is burning in reaction gas mixtures, flame also can be limited in the below of ripple type spark arrester 6 by ripple type spark arrester 6, can effectively prevent from flame from playing a reversed role to spread, cause unstripped gas ignition to explode, improve security performance and the service life of reactor; Reaction gas mixtures, can be dispersed by the refuge floor of ripple type spark arrester 6, reduces radial air flow difference, improves reaction effect; In addition, by arranging ripple type spark arrester 6 above catalyst 4, can stop that the impurity in reaction gas mixtures and equipment pipe takes on catalyst, avoid catalyst poisoning, and then can stabilizing catalyst activity, improve catalyst life, ensure the long-period stable operation of production system.
What finally illustrate is, above preferred embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model by above preferred embodiment, but those skilled in the art are to be understood that, various change can be made to it in the form and details, and not depart from the utility model claims limited range.
Claims (10)
1. the hydrogen cyanide reactor of a built-in corrugated type spark arrester, comprise reactor body, the two ends of described reactor body are respectively equipped with gas access and gas vent, described reactor body is built with catalyst, be provided with heat exchanger tube between described catalyst and described gas vent, it is characterized in that: in described reactor body, be provided with the ripple type spark arrester between described gas access and described catalyst.
2. the hydrogen cyanide reactor of built-in corrugated type spark arrester according to claim 1, is characterized in that: described ripple type spark arrester comprises at least one deck ripple type flame retardant bed.
3. the hydrogen cyanide reactor of built-in corrugated type spark arrester according to claim 2, is characterized in that: the wave height of described ripple type flame retardant bed is 0.3-0.6mm, and the thickness of ripple type flame retardant bed is 60-90mm.
4. the hydrogen cyanide reactor of built-in corrugated type spark arrester according to claim 3, is characterized in that: the wave height of described ripple type flame retardant bed is 0.4mm, and the thickness of ripple type flame retardant bed is 75mm.
5. the hydrogen cyanide reactor of the built-in corrugated type spark arrester according to any one of claim 1-4, is characterized in that: be provided with the air-permeable layer for filtering the impurity in reacting gas between described ripple type spark arrester and described gas access.
6. the hydrogen cyanide reactor of built-in corrugated type spark arrester according to claim 5, is characterized in that: the distance between described ripple type spark arrester and described catalyst is greater than 30mm.
7. the hydrogen cyanide reactor of built-in corrugated type spark arrester according to claim 1, is characterized in that: the inwall of the described gas reactor corresponding with described ripple type spark arrester and catalyst is provided with the thermal insulation layer adopting heat proof material to support.
8. the hydrogen cyanide reactor of built-in corrugated type spark arrester according to claim 1, it is characterized in that: between described ripple type spark arrester and described gas access, be provided with gas mixing zone, be provided with gas mixer in described gas mixing zone, described gas mixer comprises at least one gas mixing units flowing to setting along described reacting gas.
9. the hydrogen cyanide reactor of built-in corrugated type spark arrester according to claim 8, it is characterized in that: described gas mixing units comprises gas mixer body, described gas mixer body is provided with internal diameter flows to change gas guiding channel along reacting gas, and in described gas mixer body, be provided with the gas mixing chamber communicated with described gas guiding channel, the bottom surface of described gas mixing chamber described gas guiding channel is dorsad provided with venthole in array.
10. the hydrogen cyanide reactor of built-in corrugated type spark arrester according to claim 9, is characterized in that: described venthole is arranged on the edge of described gas mixing chamber bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420045353.9U CN204051630U (en) | 2014-01-24 | 2014-01-24 | The hydrogen cyanide reactor of built-in corrugated type spark arrester |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420045353.9U CN204051630U (en) | 2014-01-24 | 2014-01-24 | The hydrogen cyanide reactor of built-in corrugated type spark arrester |
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| CN204051630U true CN204051630U (en) | 2014-12-31 |
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| CN201420045353.9U Expired - Fee Related CN204051630U (en) | 2014-01-24 | 2014-01-24 | The hydrogen cyanide reactor of built-in corrugated type spark arrester |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112452170A (en) * | 2020-11-04 | 2021-03-09 | 恩宜瑞(江苏)环境发展有限公司 | Exhaust gas mixer based on self-healing fire blocking net |
| CN115371047A (en) * | 2021-05-19 | 2022-11-22 | 武汉氢阳能源有限公司 | Novel anti-backfire hydrogen catalytic combustion reactor |
-
2014
- 2014-01-24 CN CN201420045353.9U patent/CN204051630U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112452170A (en) * | 2020-11-04 | 2021-03-09 | 恩宜瑞(江苏)环境发展有限公司 | Exhaust gas mixer based on self-healing fire blocking net |
| CN115371047A (en) * | 2021-05-19 | 2022-11-22 | 武汉氢阳能源有限公司 | Novel anti-backfire hydrogen catalytic combustion reactor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20200124 |