CN202297108U - Nozzle and secondary reformer - Google Patents
Nozzle and secondary reformer Download PDFInfo
- Publication number
- CN202297108U CN202297108U CN2011204239066U CN201120423906U CN202297108U CN 202297108 U CN202297108 U CN 202297108U CN 2011204239066 U CN2011204239066 U CN 2011204239066U CN 201120423906 U CN201120423906 U CN 201120423906U CN 202297108 U CN202297108 U CN 202297108U
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- CN
- China
- Prior art keywords
- burner
- combustion chamber
- nozzle
- hexagonal brick
- secondary reformer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a nozzle and a secondary reformer. The nozzle comprises a nozzle main body and nozzle holes, wherein the nozzle holes are uniformly distributed in the nozzle main body, and are of the same size. The secondary reformer comprises a reformer body, a combustion chamber and a catalyst bed layer, wherein the combustion chamber is positioned on the upper part of the reformer body; the catalyst bed layer is positioned on the lower part of the reformer body; and the nozzle is arranged on the upper part of the combustion chamber. In the nozzle and the secondary reformer, provided by the utility model, the nozzle holes are uniformly distributed in the nozzle main body and are of the same size, so that combustion-supporting gas sprayed out of the nozzle holes can be uniformly mixed with primary reforming gas sprayed out of a primary reforming gas inlet in the practical application of the nozzle, and fuel gas with uniform temperature is generated through combustion. Compared with the prior art, the nozzle and the secondary reformer have the advantages that: local high temperature is not generated in the combustion chamber, so that the nozzle and the combustion chamber are protected from being burned out, and the service life of the nozzle and the combustion chamber is prolonged.
Description
Technical field
The utility model relates to the catalyticreactor technology, especially relates to a kind of burner.In addition, the utility model also relates to a kind of secondary reformer that above-mentioned burner is installed.
Background technology
Secondary reformer is to be raw material with Sweet natural gas, coke(oven)gas, coal gas and coal-seam gas etc., produces the visual plant in the synthetic gas device.Existing secondary reformer comprises the beds of the combustion chamber and the body of heater bottom of body of heater, upper of furnace body; Get into the combustion chamber after one section reforming gas (coal gas, Sweet natural gas or coke(oven)gas etc.) preheating; Combustion-supporting gas (air, oxygen-rich air or oxygen) gets into the combustion chamber after preheating, one section reforming gas and combustion-supporting gas carry out combustion reactions in the combustion chamber, behind the gas thorough mixing that burning produces; Get in the inner beds of body of heater and carry out conversion reaction; The degree of depth of carrying out methane transforms, and discharges through two sections reforming gas outlets through two sections reforming gas of conversion reaction, is used for products such as synthetic ammonia or methyl alcohol.
In the research process that carries out the utility model, utility model people finds to adopt above-mentioned existing secondary reformer, has following technological deficiency:
The structure of the burner on top, existing combustion chamber causes one section reforming gas inhomogeneous with mixing of combustion-supporting gas, causes can producing partial high temperature in the combustion chamber; Damage combustion chamber and burner easily; In addition, burner is installed in the position near the combustion chamber, causes burner to be burnt out easily.
And the cone angle of the choke of combustion chamber and the height of combustion chamber are unreasonable, also are easy to generate localized hyperthermia, burn out combustion chamber and burner easily.
The via arrangement of the hexagonal brick that lay on beds top is unreasonable, makes the non-uniform temperature of beds, and methane conversion reduces, and the beds local temperature is too high and burn out catalyzer, reduces catalyzer work-ing life.
The utility model content
The utility model provides a kind of burner and secondary reformer, in order to the defective that combustion chamber and burner in the solution prior art burn out easily, can improve the work-ing life of burner and combustion chamber, the work-ing life of improving methane conversion and catalyzer.
The utility model provides a kind of burner, comprises burner main body and burner hole; Said burner hole evenly is laid on the said burner main body and each burner hole big or small identical.
Preferably, said burner main body is discoid, and said burner hole is the circular holes of a plurality of central vertical in said burner main body.
Preferably, the width between centers in adjacent burner hole equates.
The utility model also provides a kind of secondary reformer, comprises body of heater, is positioned at the combustion chamber of upper of furnace body and is positioned at the beds of body of heater bottom, and the burner described in the above-mentioned utility model content is installed in the said combustion chamber.
Preferably, said burner is installed in the position near said top of combustion chamber.
Preferably, said combustion chamber is the choke of taper near the position at middle part, and the cone angle of said choke is the 60-68 degree.
Preferably, the cone angle of said choke is 65 degree.
Preferably, the top on the said beds is laid with the hexagonal brick layer;
The hexagonal brick of place-centric position is the hexagonal brick of not perforate; Offer five through holes on each hexagonal brick of the first lap hexagonal brick that encloses along the hexagonal brick at center; Offer seven through holes on each hexagonal brick of the second circle hexagonal brick that encloses along the first lap hexagonal brick, offer the nineteen through hole on peripheral each hexagonal brick of the second circle hexagonal brick.
Preferably, even laying of the through hole on the said hexagonal brick and aperture are identical, and said aperture is 12mm.
Preferably, the height of said combustion chamber is 3000-5000mm.
Burner that the utility model provides and secondary reformer are because the burner hole evenly is laid on the said burner main body and each burner hole big or small identical.Thereby; This burner is in practical application; Can realize the combustion-supporting gas that in the burner hole, sprays and the one section reforming gas uniform mixing of ejection that enters the mouth from one section reforming gas, burning produces the uniform combustion gas of temperature, compared with prior art; Can in the combustion chamber, not produce partial high temperature and burner or burn out the combustion chamber, can improve the work-ing life of burner and combustion chamber.
Description of drawings
The front view of the burner that Fig. 1 provides for the utility model first embodiment;
Fig. 2 is the vertical view of burner among Fig. 1;
The structural representation of the secondary reformer that Fig. 3 provides for the utility model second embodiment;
The structural representation of the hexagonal brick that Fig. 4 provides for the utility model the 3rd embodiment.
Reference numeral:
The 1-body of heater; The 11-housing; The 12-refractory liner;
The 2-combustion chamber; The 21-burner; 211-burner hole;
The 22-choke; The 23-mixing section; The 3-beds;
31-hexagonal brick layer; 311-center hexagonal brick; 312-first lap hexagonal brick
The 313-second circle hexagonal brick; The peripheral hexagonal brick of 314-.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model clearer; To combine the accompanying drawing among the utility model embodiment below; Technical scheme among the utility model embodiment is carried out clear, intactly description; Obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
See figures.1.and.2 the front view of the burner that Fig. 1 provides for the utility model first embodiment; Fig. 2 is the sectional view of burner among Fig. 1.
In first embodiment of the utility model, burner 21 offers burner hole 211; Burner hole 211 evenly is laid on the burner plate, and each burner hole 211 is big or small identical.
The burner plate is discoid, and burner hole 211 is the circular holes of a plurality of central vertical in the burner plate, and burner hole 211 also can be the through hole of other shapes certainly.
In addition, the width between centers in adjacent burner hole 211 equates, makes the more even distribution in burner hole 211.
The burner 21 that present embodiment provides is because burner hole 211 evenly is laid on the burner plate and each burner hole 211 big or small identical.Thereby; This burner 21 is in practical application; Can realize the combustion-supporting gas of the 211 interior ejections from the burner hole and the one section reforming gas uniform mixing of ejection that enters the mouth from one section reforming gas, burning produces the uniform combustion gas of temperature, compared with prior art; Can in the combustion chamber, not produce partial high temperature and burn out burner 21 or combustion chamber, can improve the work-ing life of burner 21 and combustion chamber.
With reference to figure 3, the structural representation of the secondary reformer that Fig. 3 provides for the utility model second embodiment.
In a second embodiment, secondary reformer comprises body of heater 1, be positioned at the combustion chamber 2 on body of heater 1 top and be positioned at the beds 3 of body of heater 1 bottom, and the burner 21 that the foregoing description provides also is installed in the combustion chamber 2.
Body of heater 1 comprises the refractory liner 12 in outer field housing 11 in position and the housing 11, and housing 11 adopts metallic substance to process, and refractory liner 12 adopts high temperature resistant, concrete casting injection forming.
Specify the principle of work and the process of the secondary reformer that present embodiment provides below:
As can be seen from Figure 3, combustion-supporting gas inlet is positioned at the body of heater top, and one section reforming gas inlet is positioned at the sidewall of mixing section 23.
Get into mixing section 23 from one section reforming gas level of one section reforming gas inlet ejection; The combustion-supporting gas of combustion-supporting gas inlet ejection vertically gets into mixing section 23, and sprays vertically downward through equally distributed burner hole 211 (shown in Fig. 2) on the burner 21, with one section reforming gas uniform mixing in mixing section 23; Gas mixture is 2 internal combustion (burning a part of hydrogen and methane) in the combustion chamber; The high-temperature gas that the burning back produces gets into beds 3, under the effect of catalyzer, carries out the methane degree of depth and transforms.High-temperature gas is changed into two sections reforming gas, and two sections reforming gas are discharged from two sections reforming gas outlets of body of heater 1 bottom, as the raw material of follow-up synthetic.
The secondary reformer that present embodiment provides can practical multiple one section reforming gas in practical application, like Sweet natural gas, coke(oven)gas, coal gas and coal-seam gas etc.And can practical multiple combustion-supporting gas, like air, oxygen-rich air or purity oxygen, produce synthetic gas with materials such as synthetic ammonia or methyl alcohol.
The secondary reformer that present embodiment provides; Because 2 top is equipped with the burner 21 that the foregoing description provides in the combustion chamber, thereby in practical application, can realize the combustion-supporting gas that in burner 21, sprays and the one section reforming gas uniform mixing of ejection that enters the mouth from one section reforming gas; Burning produces the uniform combustion gas of temperature; Compared with prior art, can in combustion chamber 2, not produce partial high temperature and burn out burner 21 or combustion chamber 2, can improve the work-ing life of combustion chamber 2 and secondary reformer.
The utility model can also be done further to improve to the secondary reformer that second embodiment provides, and concrete improvement project is described below.
Can burner 21 be installed in the position at mixing section 23 tops.Thereby; One section reforming gas thorough mixing afterfire in mixing section 23 that the combustion-supporting gas that sprays into from combustion-supporting gas inlet and one section reforming gas enter the mouth and spray into; Produce high temperature gas flow, because burner 21 is installed in the position at mixing section 23 tops, tool is far away from the position in combustion high temperature zone; Can prevent that burner 21 from being burnt out by high-temperature gas, further improves the work-ing life of burner 21.
Further, combustion chamber 2 is the choke 22 of taper near the position at middle part, and the cone angle A of choke 22 is the 60-68 degree, more helps the thorough mixing of one section reforming gas and combustion-supporting gas, and it is more even to make that two kinds of gases mix.Particularly, the cone angle A of choke is 65 when spending, and the technique effect that brings is best.
With reference to figure 4, the structural representation of the hexagonal brick that Fig. 4 provides for the utility model the 3rd embodiment.
In the present embodiment, the top on the beds 3 is laid with a plurality of hexagonal brick layers 31.The effect of hexagonal brick layer 31 is that the catalyzer in the guard catalyst bed 3 is not blown afloat by the high temperature and high speed air-flow, and is in the even inflow catalyst bed 3 of high temperature gas flow.
Present embodiment is improved to what hexagonal brick layer 31 was done: hexagonal brick 311 is the hexagonal brick of not perforate at the center of central position; Offer five through holes on each hexagonal brick of the first lap hexagonal brick 312 that encloses along center hexagonal brick 311; Offer seven holes on each hexagonal brick of the second circle hexagonal brick 313 that encloses along first lap hexagonal brick 312, offer the nineteen hole on each hexagonal brick of the peripheral hexagonal brick 314 that the second circle hexagonal brick 313 is peripheral.Further, even laying of the through hole on each hexagonal brick and aperture are identical, and the aperture is 12mm.
Adopt the laying mode of above-mentioned hexagonal brick layer 31, can make and the more uniform temperature of beds 3 improve methane conversion, and, can increase the work-ing life of the catalyzer in the beds 3 because the temperature of beds 3 is even.
In addition, the height H of combustion chamber 2 is 3000-5000mm.When the gas velocity of the ejection of burner 21 is higher, suitably increase the height H of combustion chamber 2, can be set to 4000-5000mm.When the gas velocity of the ejection of burner 21 is low, suitably reduce the height H of combustion chamber 2, can be set to 3000-4000mm.The design of above-mentioned combustion chamber 2 height when little amplitude increases equipment cost, suitably increases height, more helps gas and mixes, and improves the work-ing life of combustion chamber 2.
What should explain at last is: above embodiment is only in order to the technical scheme of explanation the utility model, but not to its restriction; Although the utility model has been carried out detailed explanation with reference to previous embodiment; Those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of each embodiment technical scheme of essence disengaging the utility model of relevant art scheme.
Claims (10)
1. a burner is characterized in that, comprises burner main body and burner hole; Said burner hole evenly is laid on the said burner main body and each burner hole big or small identical.
2. burner according to claim 1 is characterized in that, said burner main body is discoid, and said burner hole is the circular holes of a plurality of central vertical in said burner main body.
3. burner according to claim 2 is characterized in that, the width between centers in adjacent burner hole equates.
4. secondary reformer comprises body of heater, is positioned at the combustion chamber of upper of furnace body and is positioned at the beds of body of heater bottom, it is characterized in that top, said combustion chamber is equipped with each described burner of claim 1-3.
5. secondary reformer according to claim 4 is characterized in that said burner is installed in the position near said top of combustion chamber.
6. secondary reformer according to claim 4 is characterized in that, said combustion chamber is the choke of taper near the position at middle part, and the cone angle of said choke is the 60-68 degree.
7. secondary reformer according to claim 6 is characterized in that, the cone angle of said choke is 65 degree.
8. secondary reformer according to claim 4 is characterized in that the top on the said beds is laid with the hexagonal brick layer;
The hexagonal brick of central position is the hexagonal brick of not perforate; Offer five through holes on each hexagonal brick of the first lap hexagonal brick that encloses along the hexagonal brick at center; Offer seven through holes on each hexagonal brick of the second circle hexagonal brick that encloses along the first lap hexagonal brick, offer the nineteen through hole on peripheral each hexagonal brick of the second circle hexagonal brick.
9. secondary reformer according to claim 8 is characterized in that, even laying of the through hole on the said hexagonal brick and aperture are identical, and said aperture is 12mm.
10. secondary reformer according to claim 4 is characterized in that, the height of said combustion chamber is 3000-5000mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204239066U CN202297108U (en) | 2011-10-31 | 2011-10-31 | Nozzle and secondary reformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204239066U CN202297108U (en) | 2011-10-31 | 2011-10-31 | Nozzle and secondary reformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202297108U true CN202297108U (en) | 2012-07-04 |
Family
ID=46366046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204239066U Expired - Lifetime CN202297108U (en) | 2011-10-31 | 2011-10-31 | Nozzle and secondary reformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202297108U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104284713A (en) * | 2012-05-09 | 2015-01-14 | 卡萨尔公司 | A method for revamping a secondary reformer |
| WO2018191241A2 (en) | 2017-04-10 | 2018-10-18 | Christy Catalytics, Llc | Target tiles for an autothermal reformation/secondary reformation unit |
-
2011
- 2011-10-31 CN CN2011204239066U patent/CN202297108U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104284713A (en) * | 2012-05-09 | 2015-01-14 | 卡萨尔公司 | A method for revamping a secondary reformer |
| CN104284713B (en) * | 2012-05-09 | 2016-11-16 | 卡萨尔公司 | For the method transforming secondary reformer |
| WO2018191241A2 (en) | 2017-04-10 | 2018-10-18 | Christy Catalytics, Llc | Target tiles for an autothermal reformation/secondary reformation unit |
| EP3555021A4 (en) * | 2017-04-10 | 2020-07-01 | Christy Catalytics, LLC | Target tiles for an autothermal reformation/secondary reformation unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Chengdu General Engineering Technology Co., Ltd. Assignor: Pang Yuxue Contract record no.: 2013510000114 Denomination of utility model: Nozzle and secondary reformer Granted publication date: 20120704 License type: Exclusive License Record date: 20131202 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |