CN209442930U - Gasification system - Google Patents

Gasification system Download PDF

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Publication number
CN209442930U
CN209442930U CN201821971218.1U CN201821971218U CN209442930U CN 209442930 U CN209442930 U CN 209442930U CN 201821971218 U CN201821971218 U CN 201821971218U CN 209442930 U CN209442930 U CN 209442930U
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CN
China
Prior art keywords
shell
gasification
furnace
pipeline
slag
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 - Fee Related
Application number
CN201821971218.1U
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Chinese (zh)
Inventor
会钧钱
杨麦军
肖陈长
郑春梅
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INNOVATIVE COAL CHEMICAL DESIGN INSTITUTE (SHANGHAI) Co Ltd
Original Assignee
INNOVATIVE COAL CHEMICAL DESIGN INSTITUTE (SHANGHAI) Co Ltd
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Priority to CN201821971218.1U priority Critical patent/CN209442930U/en
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Publication of CN209442930U publication Critical patent/CN209442930U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of gasification system, kiln formula gasification furnace is promoted including inward turning, inward turning promotes kiln formula gasification furnace to include fixed shell and be set to the intracorporal rotation push structure of shell, the first end of shell is provided with feed inlet, the second end of shell is provided with slag notch, the top and/or lower part of the shell are provided with multiple gasification agent inlets, and the gasification agent inlet is connect with the pipeline for being provided with control device, and the control device adjusts the ratio of control gasifying agent distribution.Gasification system and its pyrolysis gasification method provided by the utility model, on the basis of retaining traditional rotary kiln gasification furnace advantage, using inward turning push type gasification furnace, shell is fixed, and makes it possible fine optimization gas distribution;The adjustable structure in gasification agent inlet position and product gas outlet position is further devised, so that gasification system application prospect is more wide.

Description

Gasification system
Technical field
The utility model relates to carbonaceous solids material gasification technical fields, and in particular to a kind of gasification system.
Background technique
Thermal conversion processes of the carbon raw material in gasification furnace is divided into pyrolysis, gasification and burning, and various gasifications are most crucial Purpose be exactly the chemical energy as much as possible for converting the chemical energy of raw material to product, this requires control reaction process as far as possible In combustion heat release, so that heat is fully used during the reaction, improve efficiency of carbon con version, improve the yield of target product.
It is different to the selection of gasification furnace according to the difference of target product, if it is for steaming and generate electricity, then will investment compared with More oxygen, the setting of gasification reaction temperature is higher, maximizes efficiency of carbon con version, synthesis gas effective component is mainly CO and H2If For producing CH4, then reaction temperature setting is slightly lower, utmostly to retain CH4Ingredient, the CH in gasification furnace4Mainly from containing The pyrolysis of carbon raw material, if temperature is too low, tar is more, CH4It is few, temperature is improved, tar can be made largely to decompose, be converted to CH4, but raising temperature means to increase amount of oxygen, makes part CH4Burning is participated in, optimum balance should be found, make CH4Yield is maximum Change.
Commercial gasification technology typical at present has multistage coupled gasification, fluidized gasification, entrained flow gasification, fixed bed gas Change, rotary kiln gasification etc., differ from one another, can adapt to plurality of target product demand but without a kind of gasification furnace, and can Any solid carbonaceous feed is adapted to, high carbon conversions are kept.
Wherein rotary kiln gasification furnace has compared with other gasification furnaces and adapts to any specification fuel, manufacture running cost It with low advantage, is practiced by years development, is difficult to the problem of controlling the reasonable distribution of air in the past, also obtained preferable solution Certainly, so that the type of furnace depth is gasified, open the broad prospect of application of rotary kiln gasification furnace.
Utility model content
In view of problems of the prior art, the purpose of the utility model is to provide a kind of gasification systems, pass retaining On the basis of rotary kiln gasification furnace advantage of uniting, using inward turning push type gasification furnace, shell is fixed, so that fine optimization gas distribution becomes It may;The adjustable structure in gasification agent inlet position and product gas outlet position is further devised, so that before gasification system application Scape is more wide.
The utility model provides a kind of gasification system, wherein the gasification system includes:
Inward turning for pyrolytic gasification promotes kiln formula gasification furnace, and it includes lateral arrangement that the inward turning, which promotes kiln formula gasification furnace, And the shell of inner hollow and the rotation push structure being set in the shell;The left end of the shell is equipped with feed inlet, The feed inlet is connected with the feed pipe entered for carbon raw material;The right end of the shell is equipped with slag notch, the slag notch It is connected with pipeline of slagging tap;Multiple gasification agent inlets are respectively equipped at two relative positions of the side wall of the shell, it is multiple described Gasification agent inlet respectively with corresponding number control device is installed and gasifying agent pipeline for conveying gasifying agent connect, institute Control device is stated for adjusting the allocation proportion of control gasifying agent;It is additionally provided on the shell for the conjunction after pyrolytic gasification to be discharged At multiple syngas outlets of gas, multiple syngas outlets are connected separately with synthesis gas pipeline;
The slag furnace being connect by hot fume pipeline with the shell, the hot fume that the slag fire grate goes out pass through hot fume Pipeline enters the shell, and the carbon containing slag from gasifying furnace of the slag notch discharge enters the slag by the pipeline of slagging tap Furnace;
It is being connect by the synthesis gas pipeline with the shell and for removing the carbon containing flying dust in synthesis gas and be discharged The deduster of crude synthesis gas, the deduster are connect with the slag furnace by pipeline, and the slag furnace and the slag notch connect It connects.
Optionally, the rotation push structure includes being disposed in the housing and running through the shaft at the shell both ends, with And be evenly arranged in the shaft and can the shaft be center of circle rotation multiple blades, the blade is for rotating mixing Stir the intracorporal carbon raw material of the shell, gasifying agent.
Optionally, the control device is solenoid valve, and the solenoid valve is adjusted according to the requirement of each gasifying agent pipeline flow The aperture of valve.
Optionally, multiple gasifying agent pipelines include top air admission unit, bottom inflow list on the shell Member, the top air admission unit are located at the syngas outlet side, and the bottom inflow unit is located at the hot fume pipeline Side.
Optionally, multiple syngas outlets are arranged in a staggered manner with multiple gasification agent inlet intervals.
It optionally, further include two flanges for shaft installation for being individually fixed in the shell both ends, described in two The both ends of shell described in flange seal.
Compared with prior art, gasification system and its pyrolysis gasification method provided by the utility model have beneficial below Effect:
(1) on the basis of retaining traditional rotary kiln gasification furnace advantage, using inward turning push type gasification furnace, shell is fixed, Make it possible fine optimization gas distribution;
(2) the adjustable structure in gasification agent inlet position and product gas outlet position is further devised, so that gasification system Application prospect is more wide, can be used for gasification of biomass, the processing such as sludge, municipal garbage, medical waste, coal cascade utilization, Distributed energy synthesizes ammonia, methanol processed and preparing natural gas etc..
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the gasification system of the utility model embodiment.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, but not as the utility model It limits.
It is shown in Figure 1, show a kind of gasification system of the utility model embodiment, wherein gasification system includes:
Inward turning for pyrolytic gasification promotes kiln formula gasification furnace, and it includes lateral arrangement and interior that inward turning, which promotes kiln formula gasification furnace, The hollow shell 1 in portion and the rotation push structure 20 being set in shell 1 (are retaining traditional rotary kiln gasification furnace advantage On the basis of, using inward turning push type gasification furnace, shell is fixed, and makes it possible fine optimization gas distribution).Rotate push structure 20 Including being set in shell 1 and run through the shaft 4 at 1 both ends of shell, and it is evenly arranged in shaft 4 and can be with shaft 4 for the center of circle Multiple blades 5 of rotation, blade 5 are used to rotate the carbon raw material being mixed in shell 1, gasifying agent.
The left end of shell 1 is equipped with feed inlet 30, and feed inlet 30 is connected with the feed pipe 9 entered for carbon raw material;Shell 1 Right end be equipped with slag notch 40, slag notch 40 is connected with pipeline 13 of slagging tap;It is set respectively at two relative positions of the side wall of shell 1 Have multiple gasification agent inlets 70, multiple gasification agent inlets 70 respectively with corresponding number be equipped with control device 8 and for defeated The gasifying agent pipeline 7 for agent of supplying gas connects, and control device 8 is used to adjust the allocation proportion of control gasifying agent.
Multiple syngas outlets 50 for the synthesis gas after pyrolytic gasification to be discharged, multiple synthesis gas are additionally provided on shell 1 Outlet 50 is connected separately with synthesis gas pipeline 11.
The slag furnace 3 being connect by hot fume pipeline 10 with shell 1, the hot fume that slag furnace 3 is discharged pass through thermal chimney Road 10 enters shell, and the carbon containing slag from gasifying furnace that slag notch 40 is discharged enters slag furnace 3 by pipeline 13 of slagging tap.
It is being connect by synthesis gas pipeline 11 with shell 1 and for removing carbon containing flying dust in synthesis gas and thick synthesis being discharged The deduster 2 of gas, deduster 2 are connect with slag furnace 3 by pipeline 12, and slag furnace 3 is connect with slag notch 40.
In the present embodiment, control device 8 is solenoid valve, and solenoid valve is according to the requirement regulating valve of each 7 flow of gasifying agent pipeline The aperture of door.
In the present embodiment, multiple gasifying agent pipelines 7 include top air admission unit A, bottom inflow unit on shell B, top air admission unit A are located at 50 side of syngas outlet, and bottom inflow unit B is located at 10 side of hot fume pipeline.
In the present embodiment, multiple syngas outlets 50 are arranged in a staggered manner with multiple gasification agent inlets 70 interval.
It further include two flanges 14 installed for shaft 4 for being individually fixed in 1 both ends of shell, two flanges in the present embodiment The both ends of 14 seal casinghousings 1.
The inward turning of gasification system in the present embodiment promotes kiln formula gasification furnace, gasification agent inlet position and product gas outlet position Adjustable structure is set, gasifying agent enters in furnace from furnace bottom gas distribution unit and furnace roof gas distribution unit respectively, has good air/oxygen Gas distributes control ability, carries out depth gasification, can it is different according to user raw material, to variation of product demand etc., deploy air/ Oxygen dispensing unit and products export position rationally control in-furnace temperature distribution and component distribution, find optimum balance, make to burn At least, product is optimal, reduce operation, maintenance is low, predictable and high reliability, so that gasification system application prospect is wider It is wealthy, it can be used for gasification of biomass, the processing such as sludge, municipal garbage, medical waste, coal cascade utilization, distributed energy, synthesis Ammonia, methanol processed and preparing natural gas etc..
The utility model also provides a kind of pyrolysis gasification method of such as gasification system of any of the above-described, wherein pyrolysis gas Change method the following steps are included:
S1: solid carbon raw material by feed inlet 30 enter inward turning promote kiln formula gasification furnace (i.e. in shell 1, arrow as shown in figure 1 Direction shown in head a);
S2: solid carbon raw material is under rotation push structure 20 (mainly blade 5) effect, to the right from the left end of shell 1 Hold mobile (direction shown in arrow j as shown in figure 1);
S3: gasifying agent enters shell 1 (as shown in figure 1 shown in arrow b just from the gasifying agent pipeline 7 for being provided with control device 8 To), it mixing, burns with solid carbon raw material, control device 8 adjusts allocation proportion of the gasifying agent at different gasification agent inlets, To control the reaction process in rotation propulsion kiln formula gasification furnace;
S4: the dust-laden synthesis gas for generation of gasifying escapes and enter 2 (arrow c as shown in figure 1 of deduster by syngas outlet 50 Shown direction);
S5: the carbon containing slag from gasifying furnace for generation of gasifying escapes and enter 3 (arrow as shown in figure 1 of slag furnace by slag notch 40 F, direction shown in h).
It is further comprising the steps of after step S4 in the present embodiment:
S41: deduster 2 removes the carbon containing flying dust in the dust-laden synthesis gas of syngas outlet discharge, and carbon containing flying dust is sent Enter slag furnace 3 (direction shown in arrow g, h as shown in figure 1), while crude synthesis gas (direction shown in arrow d as shown in figure 1) is discharged.
In the present embodiment, the carbon containing flying dust that the burning deduster 2 of slag furnace 3 is discharged and the residue that remaining after combustion is finally discharged (direction shown in arrow i as shown in figure 1).
It is further comprising the steps of after step S5 in the present embodiment:
S51: the burning of slag furnace 3 (arrow f, h institute as shown in figure 1 is entered by the carbon containing slag from gasifying furnace that slag notch 40 is discharged Show direction);
S52: the hot fume that slag furnace 3 is discharged enters (the side shown in arrow e as shown in figure 1 of shell 1 by hot fume pipeline 10 To), pyrolysis institute's calorific requirement is provided as external heat source for solid carbon raw material.
The carbon containing deslagging of gasification furnace and the flying dust trapped are sent into slag furnace and burn by the gasification system in the present embodiment, Hot fume is sent into the raw material pyrolysis section of gasification furnace as external heat source, is pyrolyzed raw material, the chemical heat of synthesis gas product is improved, into one Step improves efficiency of carbon con version.
The preferred embodiments of the present invention have been described in detail above.It should be appreciated that the ordinary skill people of this field Member according to the present utility model can conceive without creative work makes many modifications and variations.Therefore, all this technology necks Technical staff passes through logic analysis, reasoning or limited reality according to the design of the utility model on the basis of existing technology in domain Available technical solution is tested, it all should be within the scope of protection determined by the claims.

Claims (6)

1. a kind of gasification system, which is characterized in that the gasification system includes:
Inward turning for pyrolytic gasification promotes kiln formula gasification furnace, and it includes lateral arrangement and interior that the inward turning, which promotes kiln formula gasification furnace, The hollow shell in portion and the rotation push structure being set in the shell;The left end of the shell is equipped with feed inlet, described Feed inlet is connected with the feed pipe entered for carbon raw material;The right end of the shell is equipped with slag notch, the slag notch connection There is pipeline of slagging tap;Multiple gasification agent inlets, multiple gasifications are respectively equipped at two relative positions of the side wall of the shell Agent entrance respectively with corresponding number control device is installed and gasifying agent pipeline for conveying gasifying agent connect, the control Device processed is used to adjust the allocation proportion of control gasifying agent;It is additionally provided on the shell for the synthesis gas after pyrolytic gasification to be discharged Multiple syngas outlets, multiple syngas outlets are connected separately with synthesis gas pipeline;
The slag furnace being connect by hot fume pipeline with the shell, the hot fume that the slag fire grate goes out pass through hot fume pipeline Into the shell, the carbon containing slag from gasifying furnace of the slag notch discharge enters the slag furnace by the pipeline of slagging tap;
It is being connect by the synthesis gas pipeline with the shell and for removing carbon containing flying dust in synthesis gas and thick close being discharged At the deduster of gas, the deduster is connect with the slag furnace by pipeline, and the slag furnace is connect with the slag notch.
2. gasification system as described in claim 1, which is characterized in that the rotation push structure includes being disposed in the housing And run through the shaft at the shell both ends, and be evenly arranged in the shaft and can the shaft be the more of center of circle rotation The intracorporal carbon raw material of the shell, gasifying agent is mixed for rotating in a blade, the blade.
3. gasification system as described in claim 1, which is characterized in that the control device is solenoid valve, the solenoid valve root According to the aperture of the requirement control valve of each gasifying agent pipeline flow.
4. gasification system as described in claim 1, which is characterized in that multiple gasifying agent pipelines include being located at the shell On top air admission unit, bottom inflow unit, the top air admission unit is located at the syngas outlet side, the bottom Air admission unit is located at hot fume pipeline side.
5. gasification system as claimed in claim 4, which is characterized in that multiple syngas outlets and multiple gasifying agents Entrance interval is arranged in a staggered manner.
6. gasification system as claimed in claim 2, which is characterized in that further include two and be individually fixed in the shell both ends For the flange of shaft installation, the both ends of shell described in two flange seals.
CN201821971218.1U 2018-11-28 2018-11-28 Gasification system Expired - Fee Related CN209442930U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821971218.1U CN209442930U (en) 2018-11-28 2018-11-28 Gasification system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821971218.1U CN209442930U (en) 2018-11-28 2018-11-28 Gasification system

Publications (1)

Publication Number Publication Date
CN209442930U true CN209442930U (en) 2019-09-27

Family

ID=68012352

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821971218.1U Expired - Fee Related CN209442930U (en) 2018-11-28 2018-11-28 Gasification system

Country Status (1)

Country Link
CN (1) CN209442930U (en)

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20190927

Termination date: 20201128