CN206343160U - A kind of methanator of built-in coiled steam generating equipment - Google Patents
A kind of methanator of built-in coiled steam generating equipment Download PDFInfo
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- CN206343160U CN206343160U CN201621331392.0U CN201621331392U CN206343160U CN 206343160 U CN206343160 U CN 206343160U CN 201621331392 U CN201621331392 U CN 201621331392U CN 206343160 U CN206343160 U CN 206343160U
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- methanator
- layer
- inert filler
- outlet
- generating equipment
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Abstract
The utility model provides a kind of methanator, the methanator includes reactor shell, unstripped gas entrance is provided with the top of reactor shell, bottom is provided with product gas outlet, wherein, the methanator also includes the sieve aperture supporting plate being arranged in reactor cylinder body, the sieve aperture supporting plate is loaded with the first inert filler layer arranged from top to bottom, beds and the second inert filler layer, coiled steam generating equipment is provided with below the sieve aperture supporting plate, the coiled steam generating equipment is provided with the feed-water intake pipe for being connected to its coil pipe in its underpart and is provided with the steam outlet pipe for being connected to its coil pipe at an upper portion thereof, catalyst is provided with the reactor shell and unloads outlet, the catalyst unloads outlet and is located above the sieve aperture supporting plate and is configured to draw off the first inert filler layer, beds and the second inert filler layer.The utility model device has reduced investment, floor space big, the high advantage of heat recovery rate.
Description
Technical field
The utility model belongs to natural gas from coal technical field, is related to a kind of methanator, and in particular in a kind of
Put the methanator of coiled steam generating equipment.
Background technology
Synthesis gas methanation reaction is by H2、CO、CO2、CH4、H2The synthesis gas of O and inert gas composition is urged in methanation
CH is generated in the presence of agent4Reaction.Synthesis gas methanation reaction belongs to strong exothermal reaction, and reaction speed is fast, high temperature lower wink
Between reach chemical balance.Often converted under adiabatic condition 1% CO, reaction system temperature rise be 72 DEG C, often convert 1% CO2, reaction
System temperature rise is 60 DEG C.How methanation reaction temperature is controlled, and it is methanation process fully to reclaim methanation reaction heat release
Key problem in technology.
On control methanation reaction temperature, existing more ripe scheme.On recycling methanation reaction heat release, mesh
It is preceding generally to reclaim heat by the way that the product gas of methanator is sent into waste heat boiler production steam through pipeline.But, solely
Erect that the waste heat boiler put and related supporting pipeline investment are high, floor space is big, thermal loss is larger.
Utility model content
Therefore, the purpose of this utility model is for reclaiming heat institute using waste heat boiler is independently arranged in the prior art
There is provided a kind of built-in coiled steam generating equipment for the problems such as investment having is greatly, floor space is big, thermal loss is larger
Methanator.
The purpose of this utility model is achieved through the following technical solutions.
The utility model provides a kind of methanator, and the methanator includes reactor shell, reaction
Unstripped gas entrance is provided with the top of device cylinder, bottom is provided with product gas outlet, wherein, the methanator also includes being arranged on
Sieve aperture supporting plate in reactor cylinder body, the first inert filler layer that the sieve aperture supporting plate is loaded with arranging from top to bottom, is urged
Coiled steam generating equipment, the coiled are provided with below agent bed and the second inert filler layer, the sieve aperture supporting plate
Steam generating equipment, which is provided with the feed-water intake pipe for being connected to its coil pipe in its underpart and is provided with an upper portion thereof, is connected to its coil pipe
Catalyst is provided with steam outlet pipe, the reactor shell and unloads outlet, the catalyst unloads outlet and is located at the sieve aperture branch
Above fagging and it is configured to draw off the first inert filler layer, beds and the second inert filler layer.
During operation, unstripped gas enters reactor by the unstripped gas entrance at the top of methanator, lazy via first
Property packing layer is contacted with beds.So setting can make process gas be evenly distributed, so as to reduce or avoid because of reaction
Beds local overheating phenomenon caused by inequality.
Process gas is contacted with beds and reacted, by most of H2, CO and CO2It is converted into CH4, it is reacted
High-temperature product gas is via the second inert filler layer uniformly through coiled steam generating equipment.Boiler feedwater is via feed-water intake pipe
Into the tube side of coiled steam generating equipment, high temperature is fully reclaimed by being exchanged heat with the high-temperature product gas outside its coil pipe
The heat of product gas simultaneously produces steam, and the steam of generation leaves methanator through steam outlet pipe.
If necessary to more catalyst changeout and/or inert filler, outlet can be unloaded by catalyst and draws off beds, the
One inert filler layer and the second inert filler layer.
The methanator provided according to the utility model, wherein, the reactor shell can be by ordinary carbon steel material
Material such as Q235, Q335 or Q345 carbon steel material is made.
The methanator provided according to the utility model, wherein, the coiled steam generating equipment can be configured
For individual layer spiral coil steam generator, double-layer spiral coil pipe steam generator or Multi-layer spiral coiled steam generator.One
In a little embodiments, the coiled steam generating equipment is configured to double-layer spiral coil pipe steam generator, 3 helical layer coil pipes and steamed
Vapour generator or 4 helical layer coil pipe steam generators.
The methanator provided according to the utility model, wherein, the methanator is also included positioned at described
Unstripped gas entrance downstream and and positioned at the first inert filler layer upstream gas distributor.
The methanator provided according to the utility model, wherein, the gas distributor is nozzle divergence formula gas
Distributor (the nozzle divergence formula gas distributor that such as nozzle is tiltedly above set), two inlets circulation type gas distributor or biserial blade
Formula gas distributor.
The methanator provided according to the utility model, wherein, the methanator also includes the 3rd inertia
Packing layer, gas collector and inert filler unload outlet, wherein the gas collector be located at reactor shell bottom and with production
Product gas outlet, the 3rd inert filler layer is arranged between coiled steam generating equipment and gas collector, and
The inert filler unloads outlet and is configured to draw off the 3rd inert filler layer.
In the utility model, it is in order that product gas goes out uniformly through the product gas of reactor to set the 3rd inert filler layer
Mouthful.
The methanator provided according to the utility model, wherein, the gas collector is in cylinder, and at it
Upper surface and side are provided with screen cloth.
The methanator provided according to the utility model, wherein, the screen cloth is stainless steel cloth or Johnson Net.
The methanator provided according to the utility model, wherein, the first inert filler layer, second inertia
Packing layer and the 3rd inert filler layer are independently of one another by circular porcelain ball, Pored ceramic ball, the glass marble of surface relief, micropore
One or more compositions in porcelain ball and alumina balls.
The methanator provided according to the utility model, wherein, the reactor shell inner surface is provided with refractory lining
In.
The methanator provided according to the utility model, wherein, the refractory liner be alumina silica refractory layer,
Silica refractory layer, magnesite-dolomite refractories layer, zirconia refractory layer, Tercod layer or silicon nitride fire proofed wood
The bed of material.
The methanator that the utility model is provided is a kind of methanation reaction of built-in coiled steam generating equipment
Device, is especially suitable for high-temperature methanation reaction, compared with the mode that tradition sets independent methanator and waste heat boiler,
It has reduced investment, floor space big, the high advantage of heat recovery rate.
Brief description of the drawings
Hereinafter, embodiment of the present utility model is described in detail with reference to accompanying drawing, wherein：
Fig. 1 is a kind of structural representation of embodiment of methanator of the present utility model；
Fig. 2 is the structural representation of the another embodiment of methanator of the present utility model；
Fig. 3 is the structural representation of single layer coil tube steam generating equipment；
Fig. 4 is the top view of duplex coil steam generating equipment；
Fig. 5 is the longitdinal cross-section diagram of duplex coil steam generating equipment.
Embodiment
The utility model is further described in detail with reference to embodiment, the embodiment provided is only
Illustrate the utility model, rather than in order to limit scope of the present utility model.
Embodiment 1
Fig. 1 shows a kind of methanator of built-in coiled steam generating equipment, and Fig. 3 shows that single layer coil tube steams
Vapour generator.
As shown in figures 1 and 3, methanator includes reactor shell 2, and the top of reactor shell 2 is provided with original
Expect gas entrance 1, bottom is provided with product gas outlet 15.Wherein, reactor shell 2 is made up of Q235 carbon steel materials.
It is provided with sieve aperture supporting plate 8 in reactor shell 2, it is first lazy that sieve aperture supporting plate 8 is loaded with arranging from top to bottom
Property packing layer 5, beds 6 and second inert fillers layer 7.Catalyst is provided with reactor shell 2 and unloads outlet 16, is catalyzed
Agent unloads outlet 16 and is located at the top of sieve aperture supporting plate 8 and is configured to draw off the first inert filler layer 5, beds 6 and second lazy
Property packing layer 7.The lower section of sieve aperture supporting plate 8 is provided with coiled steam generating equipment 10, and coiled steam generating equipment 10 is configured to
Individual layer spiral coil steam generator, in its underpart provided with the feed-water intake pipe 11 for stretching out reactor shell 2, is provided with an upper portion thereof
The steam outlet pipe 9 of reactor shell 2 is stretched out, steam outlet pipe 9 and feed-water intake pipe 11 are connected to coiled steam generation and set
Standby 10 coil pipe.Wherein, the first inert filler layer 5 and the second inert filler layer 7 are formed by circular porcelain ball.
In the course of work, unstripped gas enters methanator by the unstripped gas entrance 1 at the top of methanator, warp
Contacted by the first inert filler layer 5 with beds 6.So set process gas can be made to be evenly distributed so that reduce because
The local overheating phenomenon of beds 6 caused by reaction inequality.
Process gas is contacted with beds 6 and reacted, by most of H2, CO and CO2It is converted into CH4, it is reacted
High-temperature product gas is via the second inert filler layer 7 uniformly through coiled steam generating equipment 10.Boiler feedwater via feed water into
Mouth pipe 11 enters the tube side of coiled steam generating equipment 10, is fully returned by being exchanged heat with the high-temperature product gas outside coil pipe
Receive the heat of high-temperature product gas and produce steam, the steam of generation leaves methanator through steam outlet pipe 9.And after cooling
Product gas uniformly leave methanator via product gas outlet 15.
If necessary to more catalyst changeout, it can unload that outlet 16 draws off beds and the first inertia is filled out by catalyst
The bed of material and the second inert filler layer.
Embodiment 2
Fig. 2 shows a kind of methanator of built-in coiled steam generating equipment, and Fig. 3 shows that single layer coil tube steams
Vapour generator.
As shown in Figures 2 and 3, methanator includes reactor shell 2, and the inner surface of reactor shell 2 is provided with fire resisting
Lining 3, the top of reactor shell 2 is provided with unstripped gas entrance 1 and the gas distributor 4 positioned at the downstream of unstripped gas entrance 1.Its
In, reactor shell 2 is made up of Q235 carbon steel materials, and refractory liner 3 is alumina silica refractory layer, and gas distributor 4
It is configured to two inlets circulation type gas distributor.
Sieve aperture supporting plate 8 is provided with reactor shell 2, sieve aperture supporting plate 8 is located at the lower section of gas distributor 4 and is loaded with
The first inert filler layer 5, the inert filler of beds 6 and second layer 7 arranged from top to bottom.Set on reactor shell 2
There is catalyst to unload outlet 16, catalyst unloads outlet 16 and is located at the top of sieve aperture supporting plate 8 and is configured to draw off the first inert filler layer
5th, the inert filler of beds 6 and second layer 7.The lower section of sieve aperture supporting plate 8 is provided with coiled steam generating equipment 10, coiled
Steam generating equipment 10 is configured to individual layer spiral coil steam generator, in its underpart provided with the feedwater for stretching out reactor shell 2
Inlet tube 11, at an upper portion thereof provided with the steam outlet pipe 9 for stretching out reactor shell 2, steam outlet pipe 9 and feed-water intake pipe 11 connect
It is connected to the coil pipe of coiled steam generating equipment 10.Wherein, the first inert filler layer 5 and the second inert filler layer 7 are by circular porcelain
Ball is formed.
The bottom of reactor shell 2 is provided with gas collector 13, inert filler and unloads outlet 14 and connect with gas collector 13
Logical product gas outlet 15.Wherein, gas collector 13 is provided with stainless (steel) wire in cylinder, and in its upper surface and side
(not shown).
The methanator also includes the be located between coiled steam generating equipment 10 and gas collector 13
Three inert fillers layer 12.Wherein, the 3rd inert filler layer 12 is made up of circular porcelain ball, and inert filler unloads outlet 14 and is configured to
Draw off the 3rd inert filler layer.
In the course of work, unstripped gas enters methanator by the unstripped gas entrance 1 at the top of methanator, warp
Contacted by the inert filler of gas collector 13 and first layer 5 with beds 6.Process gas distribution can be made more by so setting
Plus it is uniform, so as to further reduce or avoid the local overheating phenomenon of beds 6 because caused by reaction is uneven.
Process gas is contacted with beds 6 and reacted, by most of H2, CO and CO2It is converted into CH4, it is reacted
High-temperature product gas is via the second inert filler layer 7 uniformly through coiled steam generating equipment 10.Boiler feedwater via feed water into
Mouth pipe 11 enters the tube side of coiled steam generating equipment 10, is fully returned by being exchanged heat with the high-temperature product gas outside coil pipe
Receive the heat of high-temperature product gas and produce steam, the steam of generation leaves methanator via steam outlet pipe 9.And cool
After product gas afterwards is via the distribution of the 3rd inert filler layer 12, collected by gas collector 13, equably from product gas outlet 15
Leave methanator.
If necessary to more catalyst changeout, outlet 16 can be unloaded by catalyst and draws off or change beds and first
Inert filler layer and the second inert filler layer.Furthermore it is possible to which unloading outlet 14 from inert filler as needed draws off or changes the 3rd
Inert filler layer 12.
Embodiment 3
In the present embodiment, the structure of methanator is substantially the same manner as Example 1, and difference is to use such as Fig. 4
Individual layer spiral coil steam generator is replaced with the double-layer spiral coil pipe steam generator shown by Fig. 5.
Embodiment 4
In the present embodiment, the structure of methanator is substantially the same manner as Example 2, and difference is to use such as Fig. 4
The double-layer spiral coil pipe steam generator shown with Fig. 5 replaces individual layer spiral coil steam generator.
Although the utility model has been carried out a certain degree of description, it will be apparent that, do not departing from spirit of the present utility model
Under conditions of scope, the appropriate change of each condition can be carried out.It is appreciated that the utility model is not limited to the embodiment party
Case, and it is attributed to the scope of claim, it includes the equivalent substitution of each factor.
Claims (10)
1. a kind of methanator, the methanator includes setting at the top of reactor shell (2), reactor shell (2)
There is unstripped gas entrance (1), bottom is provided with product gas outlet (15), it is characterised in that the methanator also includes setting
Sieve aperture supporting plate (8) in reactor shell (2), it is first lazy that the sieve aperture supporting plate (8) is loaded with arranging from top to bottom
Property packing layer (5), beds (6) and the second inert filler layer (7), be provided with coiled below the sieve aperture supporting plate (8)
Steam generating equipment (10), the coiled steam generating equipment (10) is provided with the feed-water intake for being connected to its coil pipe in its underpart
Manage (11) and be provided with an upper portion thereof on the steam outlet pipe (9) for being connected to its coil pipe, the reactor shell (2) and be provided with catalysis
Outlet (16) is unloaded in agent, and the catalyst unloads outlet (16) above the sieve aperture supporting plate (8) and is configured to draw off first lazy
Property packing layer (5), beds (6) and the second inert filler layer (7).
2. methanator according to claim 1, it is characterised in that the coiled steam generating equipment (10) is
Individual layer spiral coil steam generator, double-layer spiral coil pipe steam generator or Multi-layer spiral coiled steam generator.
3. methanator according to claim 1, it is characterised in that the coiled steam generating equipment (10) is
3 or 4 helical layer coil pipe steam generators.
4. methanator according to any one of claim 1 to 3, it is characterised in that the methanator
Also include positioned at unstripped gas entrance (1) downstream and positioned at the gas distributor of first inert filler layer (5) upstream
(4)。
5. methanator according to claim 4, it is characterised in that the gas distributor (4) is nozzle divergence
Formula gas distributor, two inlets circulation type gas distributor or biserial vane type gas distributor.
6. methanator according to claim 4, it is characterised in that it is lazy that the methanator also includes the 3rd
Property packing layer (12), gas collector (13) and inert filler unload outlet (14), wherein the gas collector (13) be located at it is anti-
Answer device cylinder (2) bottom and connected with product gas outlet (15), the 3rd inert filler layer (12) is arranged on coiled steam
Between generation equipment (10) and gas collector (13), and the inert filler unloads outlet (14) and is configured to draw off the 3rd inertia
Packing layer (12).
7. methanator according to claim 6, it is characterised in that the gas collector (13) is in cylinder,
And stainless steel cloth or Johnson Net screen cloth are installed in its upper surface and side.
8. methanator according to claim 6, it is characterised in that the first inert filler layer (5), described the
Two inert fillers layer (7) and the 3rd inert filler layer (12) are independently of one another by circular porcelain ball, Pored ceramic ball, surface relief
Glass marble, micropore porcelain ball and alumina balls in one or more compositions.
9. methanator according to any one of claim 1 to 3, it is characterised in that the reactor shell (2)
Inner surface is provided with refractory liner (3).
10. methanator according to claim 9, it is characterised in that the refractory liner (3) is alumina-silica fire
Material layer, silica refractory layer, magnesite-dolomite refractories layer, zirconia refractory layer, Tercod layer or nitridation
Silicon fire resistive material layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621331392.0U CN206343160U (en) | 2016-12-07 | 2016-12-07 | A kind of methanator of built-in coiled steam generating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621331392.0U CN206343160U (en) | 2016-12-07 | 2016-12-07 | A kind of methanator of built-in coiled steam generating equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206343160U true CN206343160U (en) | 2017-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621331392.0U Expired - Fee Related CN206343160U (en) | 2016-12-07 | 2016-12-07 | A kind of methanator of built-in coiled steam generating equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108286705A (en) * | 2017-07-28 | 2018-07-17 | 北京化工大学 | A kind of device and method improving gas utilization efficiency |
| CN109663545A (en) * | 2018-12-24 | 2019-04-23 | 大连理工大学 | A kind of big flux heat exchange fixed bed reactors of winding tubular type |
-
2016
- 2016-12-07 CN CN201621331392.0U patent/CN206343160U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108286705A (en) * | 2017-07-28 | 2018-07-17 | 北京化工大学 | A kind of device and method improving gas utilization efficiency |
| CN109663545A (en) * | 2018-12-24 | 2019-04-23 | 大连理工大学 | A kind of big flux heat exchange fixed bed reactors of winding tubular type |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170721 Termination date: 20191207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |