CN201744343U - Methane synthetic reaction unit - Google Patents
Methane synthetic reaction unit Download PDFInfo
- Publication number
- CN201744343U CN201744343U CN2010202789230U CN201020278923U CN201744343U CN 201744343 U CN201744343 U CN 201744343U CN 2010202789230 U CN2010202789230 U CN 2010202789230U CN 201020278923 U CN201020278923 U CN 201020278923U CN 201744343 U CN201744343 U CN 201744343U
- Authority
- CN
- China
- Prior art keywords
- synthetic reaction
- cooling
- shell
- reaction device
- methane
- 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
Links
Images
Landscapes
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model provides a methane synthetic reaction unit which includes a shell; the top part of the shell is provided with a material air inlet; the bottom part of the shell is provided with a synthetic air outlet; the inner cavity of the shell is filled by granulate catalysts; a plurality of cooling bushings holding cooling mediums are arranged in the inner cavity of the shell; the bottom part of the shell is also provided with a cooling medium inlet communicated with the inner tubes of the plurality of cooling bushings and a cooling medium outlet communicated with the outer tube of the plurality of cooling bushings. The methane synthetic reaction unit provided by the utility model can effectively control the temperature during the reaction process of methane, improves the synthetic efficiency, has a low cost, is safe and reliable, and is suitable for large scale production.
Description
Technical field
The utility model embodiment relates to the structure of methane synthesis reactor, relates in particular to a kind of methane synthetic reaction device; Belong to chemical technology field.
Background technology
Methane (CH
4) can be by containing hydrogen (H
2), carbon monoxide (CO) and carbon dioxide (CO
2) coal gas or oven gas make these H
2, CO and CO
2Issue intercrescence at catalyst action and become reaction, generate CH
4
Discharge a large amount of heat in the methane synthetic reaction process,, will cause catalyst to be burnt out if can not remove the reaction heat that produces in the synthetic reaction process timely and effectively, even the synthesis reactor damage.
Prior art adopts many adiabatic reactors and Duo Tai heat exchanger to connect and finishes the methane synthetic reaction, this mode cost height, and combined coefficient is low, and equipment is many, increases accident rate, more is difficult for carrying out large-scale production.
The utility model content
The utility model provides a kind of methane synthetic reaction device, to address the deficiencies of the prior art, improves combined coefficient, reduces cost, and is safe and reliable, is suitable for large-scale production.
The utility model provides a kind of methane synthetic reaction device, comprising: shell, described cover top portion are provided with the unstripped gas inlet, and described outer casing bottom is provided with syngas outlet; Filler particles shape catalyst in the described shell inner cavity; The cooling collar of a plurality of ccontaining cooling mediums is set in the described shell inner cavity; Described outer casing bottom also is provided with cooling medium inlet that communicates with pipe in described a plurality of cooling collars and the cooling medium outlet that communicates with described a plurality of cooling collar outer tubes.
Aforesaid methane synthetic reaction device, also be provided with in the described shell inner cavity be connected with described unstripped gas inlet, make the equally distributed gas distributor of unstripped gas.
Aforesaid methane synthetic reaction device also is provided with in the described shell inner cavity and prevents the diffusion of described pellet type catalyst more than one deck and make the equally distributed porcelain ball of described unstripped gas layer, described porcelain ball layer comprise thousands of closely adjacent porcelain balls.
Aforesaid methane synthetic reaction device, described cooling medium are fused salt.
Aforesaid methane synthetic reaction device, the pressure of described fused salt are 0.2MPa～0.8MPa, and temperature is 250 ℃～400 ℃.
Aforesaid methane synthetic reaction device, described shell inboard is provided with refractory liner.
Aforesaid methane synthetic reaction device, the described shell outside also is provided with and reduces described skin temperature to protect the cooling cartridge clip of described shell.
Aforesaid methane synthetic reaction device, described cover top portion or bottom also are provided with the inspection opening for hand inspection.
Aforesaid methane synthetic reaction device, described outer casing bottom also are provided with the more dumping pit of catalyst changeout.
The methane synthetic reaction device that the utility model provides, by mist and the forming gas in the cooling collar cooling course of reaction of ccontaining cooling medium in this device, temperature in the achieve effective control methane reaction process, improve combined coefficient, cost is low, safe and reliable, be suitable for large-scale production.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The front view of the methane synthetic reaction device embodiment that Fig. 1 provides for the utility model;
Fig. 2 is the cutaway view of methane synthetic reaction device shown in Figure 1;
Fig. 3 is the enlarged drawing of cloth tube portion in the cutaway view shown in Figure 2;
The front view of another methane synthetic reaction device embodiment that Fig. 4 provides for the utility model;
The front view of another methane synthetic reaction device embodiment that Fig. 5 provides for the utility model.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, 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.
The embodiment of the methane synthetic reaction device that the utility model provides, referring to Fig. 1～Fig. 3, this methane synthetic reaction gas bag is drawn together: shell 1, shell 1 top are provided with unstripped gas inlet 2, and shell 1 bottom is provided with syngas outlet 3; Filler particles shape catalyst in shell 1 inner chamber; The cooling collar 4 of a plurality of ccontaining cooling mediums is set in shell 1 inner chamber; Shell 1 bottom also is provided with cooling medium inlet 5 that communicates with the interior pipe 4a of a plurality of cooling collars 4 and the cooling medium outlet 6 that communicates with the outer tube 4b of a plurality of cooling collars 4.
Concrete, the raw material of synthesizing methane is for containing H
2, CO and CO
2Coal gas or oven gas, H
2, CO and CO
2Mist need can to carry out synthetic reaction at a certain temperature, therefore, contain H
2, CO and CO
2Unstripped gas need to carry out preheating before entering the methane synthetic reaction device, after the preheating, the temperature of unstripped gas reaches about 260 ℃, pressure is 1～10MPa.
Granular catalyst (dotted line is drawn the zone of fork among the figure) is being filled in methane synthetic reaction device inside, these catalyst nickel be fine granularity, be full of in the inner chamber of shell 1, unstripped gas touches catalyst after the unstripped gas at shell 1 top inlet 2 enters the methane synthetic reaction device, because the temperature and pressure of unstripped gas has reached the synthetic reaction requirement, therefore, unstripped gas carries out synthetic reaction under catalyst action.Carry out in the process in synthetic reaction, cooling medium enters the interior pipe 4a of a plurality of cooling collars 4 from cooling medium inlet 5, from the bottom to top, flow from the top down by the outer tube 4b top of cooling collar 4 again, take away the methane synthesising reacting heat, a plurality of cooling collars 4 cool off simultaneously, and are last, and cooling medium flows out the methane synthetic reaction device from cooling medium outlet 6.Wherein, dash area is a plurality of cooling collars 4 among Fig. 2, and Fig. 3 is the layout drawing of a plurality of cooling collars 4 of dash area shown in Figure 2.Cooling collar 4 can evenly distribute in the inner chamber of shell 1, and the distance between each cooling collar 4 can be decided as required.In addition, can prepare cooling medium in advance, make cooling medium synthetic reaction can be controlled at ideal reaction temperature interval, improve the methane synthetic ratio and protect synthetic reaction device according to the temperature and pressure situation of synthetic reaction needs.Discharge from the syngas outlet 3 of shell 1 bottom through cooled synthesis gas.
The methane synthetic reaction device that present embodiment provides, by mist and the forming gas in the cooling collar cooling course of reaction of ccontaining cooling medium in the device inner chamber, the cooling tube heat exchange area is big, help removing reaction heat, temperature in the achieve effective control methane reaction process improves combined coefficient, and cost is low, safe and reliable, be suitable for large-scale production.In addition, can reproduce high steam after the cooling, save the energy, reduce product cost.
Referring to Fig. 4, the methane synthetic reaction device that another embodiment of the utility model provides, comprise: shell 1, shell 1 can comprise the end socket 1a at top and the pressure-bearing shell 1b of bottom, shell 1 can be withstand voltage metal material, end socket 1a can be fixedlyed connected by securing member 1c with pressure-bearing shell 1b, and this shell mechanism is convenient to dismounting and maintenance.Shell 1 inboard can be provided with refractory liner 7 and come protecting sheathing 1, in order to avoid shell 1 temperature in synthetic reaction process is too high.The thickness of refractory liner 7 can be decided according to the diameter and the reaction temperature of whole reactor, can be 150mm～250mm, referring to Fig. 4.If without refractory liner 7, then can also be at shell 1 arranged outside cooling water jecket 8, and on cooling jacket 8, set into mouth of a river 8a and delivery port 8b, from cooling water jecket 8, inject cooling water and prevent that the temperature of shell 1 is too high, referring to Fig. 5.
Further, can be provided with in shell 1 inner chamber and unstripped gas inlet 2 gas distributors that are connected 11, this gas distributor 11 can make the unstripped gas uniformly dispersing in the inner chamber of shell 1.In addition, the above porcelain ball of one deck layer 12 can be set in the inner chamber of shell 1, porcelain ball layer 12 is made up of thousands of closely adjacent porcelain balls, one deck porcelain ball layer 12 can be set below gas distributor 12, also one deck porcelain ball layer 12 can be set in shell 1 inner chamber bottom, can also below gas distributor 11, porcelain ball layer 12 (as Fig. 4 and shown in Figure 5) be set simultaneously with shell 1 inner chamber bottom, by porcelain ball layer 12 granular catalyst is concentrated to be closed, catalyst is fully contacted with unstripped gas.In addition, owing to have very little slit between each porcelain ball, these slits are evenly distributed in the porcelain ball layer 12, and therefore, unstripped gas distributes more even through porcelain ball layer 12 back.
The internal diameter of cooling collar 4 can be decided according to process conditions, can be Φ 19mm～Φ 76mm, and the thickness of tube wall can be 2.5mm～6mm.Cooling medium can be fused salt or other liquid, and in order to reach better cooling effect, the pressure of fused salt can be 0.2MPa～0.8MPa, and temperature is 250 ℃～400 ℃.
The methane synthetic reaction device that present embodiment provides, by mist and the forming gas in the cooling collar cooling course of reaction of ccontaining cooling water, temperature in the achieve effective control methane reaction process, unstrpped gas fully contacts with catalyst in synthetic reaction process, improves combined coefficient, and is simple in structure, be convenient to make and maintenance, cost is low, and is safe and reliable, is suitable for large-scale production.
It should be noted that at last: above embodiment only in order to the explanation the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail 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 modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (9)
1. a methane synthetic reaction device is characterized in that, comprising: shell, described cover top portion are provided with the unstripped gas inlet, and described outer casing bottom is provided with syngas outlet; Filler particles shape catalyst in the described shell inner cavity; The cooling collar of a plurality of ccontaining cooling mediums is set in the described shell inner cavity; Described outer casing bottom also is provided with cooling medium inlet that communicates with pipe in described a plurality of cooling collars and the cooling medium outlet that communicates with described a plurality of cooling collar outer tubes.
2. methane synthetic reaction device according to claim 1 is characterized in that, also be provided with in the described shell inner cavity be connected with described unstripped gas inlet, make the equally distributed gas distributor of unstripped gas.
3. methane synthetic reaction device according to claim 1 and 2, it is characterized in that, also be provided with in the described shell inner cavity and prevent described pellet type catalyst diffusion more than one deck and make the equally distributed porcelain ball of described unstripped gas layer, described porcelain ball layer comprise thousands of closely adjacent porcelain balls.
4. methane synthetic reaction device according to claim 3 is characterized in that, described cooling medium is a fused salt.
5. methane synthetic reaction device according to claim 4 is characterized in that, the pressure of described fused salt is 0.2MPa～0.8MPa, and temperature is 250 ℃～400 ℃.
6. methane synthetic reaction device according to claim 5 is characterized in that, described shell inboard is provided with refractory liner.
7. methane synthetic reaction device according to claim 5 is characterized in that, the described shell outside also is provided with and reduces described skin temperature to protect the cooling cartridge clip of described shell.
8. according to claim 6 or 7 described methane synthetic reaction devices, it is characterized in that described cover top portion or bottom also are provided with the inspection opening for hand inspection.
9. methane synthetic reaction device according to claim 8 is characterized in that, described outer casing bottom also is provided with the more dumping pit of catalyst changeout.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202789230U CN201744343U (en) | 2010-07-30 | 2010-07-30 | Methane synthetic reaction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202789230U CN201744343U (en) | 2010-07-30 | 2010-07-30 | Methane synthetic reaction unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201744343U true CN201744343U (en) | 2011-02-16 |
Family
ID=43579016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202789230U Expired - Lifetime CN201744343U (en) | 2010-07-30 | 2010-07-30 | Methane synthetic reaction unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201744343U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113070003A (en) * | 2021-04-20 | 2021-07-06 | 河南理工大学 | Reactor for preparing methane from coke oven gas or synthesis gas |
-
2010
- 2010-07-30 CN CN2010202789230U patent/CN201744343U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113070003A (en) * | 2021-04-20 | 2021-07-06 | 河南理工大学 | Reactor for preparing methane from coke oven gas or synthesis gas |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204247177U (en) | A kind of thermal insulation-isothermal methanation reactor | |
| CN203820729U (en) | Multi-shaft three-phase pulverized coal pressure gasifying device | |
| CN205253069U (en) | Radially can overhaul formula reactor entirely | |
| CN112452259A (en) | Heat exchange type ammonia decomposition reactor | |
| CN201744343U (en) | Methane synthetic reaction unit | |
| CN105833804B (en) | Steam ascending manner radial flow reactors | |
| CN203079923U (en) | Coal water slurry pressurized gasification device for water wall waste boiler process | |
| CN202427425U (en) | Fixed bed type reactor | |
| CN111874909B (en) | Integrated oxygen-heating method calcium carbide gas combined production method | |
| CN211964113U (en) | Ethylene glycol liquid phase hydrogenation reactor | |
| CN201744344U (en) | Synthetic reaction device for methane | |
| CN205328607U (en) | Be used for large -scale for methanol steam reforming hydrogen plant methyl alcohol converter | |
| CN201744342U (en) | Methane synthesis reaction device | |
| CN102188937A (en) | Synthetic converter for producing chloroethylene by synthetic reaction of ethyne and hydrogen chloride | |
| CN102205221B (en) | Fixed bed catalyst reactor having heat-exchange medium distributing and gathering structure | |
| CN202052525U (en) | Hydrogenation reactor for gas-liquid-solid three-phase fixed bed | |
| CN102133512B (en) | Reactor applied to gas-phase exothermic reaction | |
| CN202754967U (en) | Double-layer fluidized bed gasifier | |
| CN202823316U (en) | Fixed-bed reactor with cylindrical cavity arranged in casing | |
| CN206082476U (en) | Reactor of hot plasma schizolysis coal system acetylene | |
| CN114852964A (en) | Equipment for preparing hydrogen and graphite by using liquid metal and natural gas | |
| CN113912008A (en) | Pressure swing adsorption hydrogen production method for coke oven gas | |
| CN105694981A (en) | Gasifier nozzle and gasifier | |
| CN201684584U (en) | Vinyl acetate reactor | |
| CN202078885U (en) | Synthetic converter for producing chloroethylene due to reaction of acetylene and hydrogen chloride |
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.: 2012510000038 Denomination of utility model: Methane synthesis reaction device Granted publication date: 20110216 License type: Exclusive License Record date: 20120427 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110216 |
|
| CX01 | Expiry of patent term |