CN207944070U - A kind of coal gasification inlet duct - Google Patents
A kind of coal gasification inlet duct Download PDFInfo
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- CN207944070U CN207944070U CN201721039781.0U CN201721039781U CN207944070U CN 207944070 U CN207944070 U CN 207944070U CN 201721039781 U CN201721039781 U CN 201721039781U CN 207944070 U CN207944070 U CN 207944070U
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Abstract
The utility model discloses a kind of coal gasification inlet duct, device includes:Control module, mixer and a plurality of gasifying agent flow through pipeline；A plurality of gasifying agent flow through every gasifying agent in pipeline flow through pipeline by input gas flow include successively：Flowmeter, regulating valve；In complete process cycle, the flow signal that every gasifying agent flows through the input gas that every gasifying agent of measurement is flowed through pipeline by the flowmeter of pipeline is sent to control module, control module flowed through according to the every gasifying agent received the flow signal of the input gas of pipeline flowed through to corresponding every gasifying agent pipeline regulating valve send input gas flow Regulate signal, adjustings every gasifying agent of valve regulation that pipeline is flowed through by every gasifying agent flows through the flow for inputting gas of pipeline；Control is adjusted in the flow that control module flows through a plurality of gasifying agent the input gas of pipeline；The input gas that a plurality of gasifying agent flows through pipeline enters mixer.
Description
Technical field
The utility model is related to coal gasification fields, more particularly, to a kind of coal gasification inlet duct.
Background technology
Coal Gasification is exactly the feed coal of gasification furnace under the action of gasifying agent, under certain temperature and pressure reaction life
At the process of product gas.In order to improve the quality of product gas, need after mixing a variety of gasifying agents according to certain control strategy
Into gasification furnace, into gasification furnace gasifying agent number also influence the quality of product gas, therefore the accurately metering of gasifying agent is non-
Chang Guanjian.
Initial stage or decrement are driven to when stopping in gasification system, and when amount and normal operation of gasifying agent has bigger
Variation, it is more commonly used at present be exactly at driving initial stage or decrement and when normal operation gasifying agent walk different pipeline difference
The volume metering for carrying out different gasifying agents is adjusted in control system with different control strategies, to ensure that gasification process exists
The normal operation of different times.But existing control strategy needs the flowmeter, shut-off valve, regulating valve of twice of quantity to tie up
The operation of gasification furnace different phase is held, not only the heavy workload at operating personnel scene, pipe arrangement area are also big.Simultaneously because cutting
The only long-time service of valve can make each shut-off valve there is leakage, result in and extremely stop constantly at driving initial stage or decrement, gasifying agent
The pipeline that gasifying agent is walked when can flow through normal operation, but participate in control strategy operation at this time is driving initial stage or decrement
Each flowmeter into the parking pipeline that constantly gasifying agent is walked is entered by mixer in gasification furnace so just will appear reality
Gas and flowmeter flow it is inconsistent.Similarly, reality is also will appear in technique normal operation, gas is entered by mixer
The flow for changing the gas and flowmeter in stove is inconsistent, so as to cause the deterioration for the product gas that gasification furnace generates.
Therefore, it is necessary to a kind of technologies, to solve the problems, such as coal gasification air inlet.
Invention content
To solve the above-mentioned problems, the present invention provides a kind of coal gasification inlet duct, described device includes:Control mould
Block, mixer and a plurality of gasifying agent flow through pipeline；
The a plurality of gasifying agent flow through every gasifying agent in pipeline flow through pipeline by input gas flow include successively：Stream
Gauge, regulating valve；In complete process cycle, every gasifying agent flows through the flowmeter of pipeline by the every described of measurement
The flow signal that gasifying agent flows through the input gas of pipeline is sent to the control module, and the control module is according to receiving
The flow signal that every gasifying agent flows through the input gas of pipeline flows through pipeline to corresponding every gasifying agent
Regulating valve send input gas flow Regulate signal, the adjusting valve regulation institute of pipeline is flowed through by every gasifying agent
State the flow that every gasifying agent flows through the input gas of pipeline；
The control module, the quality for being flowed through the input gas of pipeline to a plurality of gasifying agent based on Regulate signal are carried out
Adjusting control；
The input gas that a plurality of gasifying agent flows through pipeline enters the mixer, to carry out gas mixing.
Preferably, including：
First shut-off valve is set, every gasifying agent flow through pipeline input gasifying agent flow through first shut-off valve after
Input the flowmeter；
Second shut-off valve is set, every gasifying agent flow through pipeline input gasifying agent flow through the regulating valve after input
Second shut-off valve.
Preferably, the input gas that every gasifying agent flows through pipeline is arranged before inputting first shut-off valve
Pressure detector；Every gasifying agent flows through the input gas of pipeline after inputting second shut-off valve, and temperature is arranged
Detector.
Preferably, the flowmeter is ranging from：Minimum mass to the technique for inputting gasifying agent is needed to transport when process operation
1.1 times of the biggest quality of input gasifying agent are needed when row.
Preferably, the flowmeter that every gasifying agent flows through pipeline is connected with regulating valve, and the regulating valve is to wait percentages
Compare regulating valve.
Preferably, every gasifying agent flow through pipeline include 2 regulating valves, after 2 regulating valve parallel connections with it is described
Flowmeter is connected.
Preferably, 2 regulating valves take the quality that gas is inputted described in Staged cotrol.
Preferably, it is true according to the economic velocity of the input gas to flow through the range of internal diameter of the pipeline for every gasifying agent
It is fixed.
Preferably, the stress levels of the flowmeter flow through the stress levels of pipeline not less than every gasifying agent.
Preferably, the stress levels of the regulating valve flow through the stress levels of pipeline not less than every gasifying agent.
Technical scheme of the present invention, can in entire process cycle, to flow through the gasifying agent of same gasifying agent pipeline into
Row mass metrology and control realize accurate metering and adjusting to input gasifying agent, and realize and utilize same control module
The input quality of a variety of input gasifying agents is controlled and adjusted, to ensure the quality of product gas, and operator can be reduced
The work at member scene, reduces pipe arrangement area, improves work efficiency.
Description of the drawings
By reference to the following drawings, exemplary embodiments of the present invention can be more fully understood by：
Fig. 1 is a kind of coal gasification inlet duct structural schematic diagram according to existing embodiment；And
Fig. 2 is a kind of coal gasification inlet duct structural schematic diagram according to embodiment of the present invention.
Specific implementation mode
Exemplary embodiments of the present invention are introduced referring now to the drawings, however, the present invention can use many different shapes
Formula is implemented, and is not limited to the embodiment described herein, and to provide these embodiments be to disclose at large and fully
The present invention, and fully convey the scope of the present invention to person of ordinary skill in the field.Show for what is be illustrated in the accompanying drawings
Term in example property embodiment is not limitation of the invention.In the accompanying drawings, identical cells/elements use identical attached
Icon is remembered.
Unless otherwise indicated, term (including scientific and technical terminology) used herein has person of ordinary skill in the field
It is common to understand meaning.Further it will be understood that with the term that usually used dictionary limits, should be understood as and its
The context of related field has consistent meaning, and is not construed as Utopian or too formal meaning.
Fig. 1 is a kind of coal gasification inlet duct structural schematic diagram according to existing embodiment.As shown in Figure 1, existing
Coal gasification inlet duct drive initial stage or decrement to stop when, shut-off valve 1E, shut-off valve 1B, 1A regulating valve 1A,
2E shut-off valve 2E, 2B shut-off valve 2B, 2A regulating valve 2A ... shut-off valves nE, shut-off valve nB, regulating valve nA are closed.Gas
Body 11 enters 2 mixers by pressure detecting 1F, shut-off valve 1e, flowmeter 1d, regulating valve 1a, shut-off valve 1b, temperature detection 1C,
Gas 22 enters mixer by pressure detecting 2F, shut-off valve 2e, flowmeter 2d, regulating valve 2a, shut-off valve 2b, temperature detection 2C
2 ... gas nn are entered mixed by pressure detecting nF, shut-off valve ne, flowmeter nd, regulating valve na, shut-off valve nb, temperature detection nC
Clutch 2, all gas enters in 1 gasification furnace after evenly mixing in mixer 2, anti-under the effect of the catalyst with feed coal
It answers.Wherein pressure detecting 1F, temperature detection 1C are respectively used to the pressure and temperature of detection input gas 11, are passing through flowmeter 1d
After 11 flow of gas is sent to control module 32, the normal volume of gas 11, control module 32 are calculated in control module 32
Adjusting strategy adjustment regulating valve 1a according to set amount makes the practical air inflow of gas 1 maintain to stablize relatively, pressure detecting 2F, temperature
Detection 2C is respectively used to the pressure and temperature of detection input gas 22, and 22 flow of gas is being sent to control by flowmeter 2d
Normal volume is calculated in module 32, adjusting strategy adjustment regulating valve 2a according to set amount makes the practical air inflow of gas 22 maintain phase
To stabilization, as stated above, pressure detecting nF, nC temperature detection is respectively used to the pressure and temperature of detection input gas nn,
Gas nn normal volumes are calculated after gas nn is sent to control module 32 by flowmeter nd, adjusting strategy according to set amount adjusts
Section regulating valve na makes the practical air inflow of gas nn maintain to stablize relatively, when technique at gasification system driving initial stage or is reduced extremely
Opposite stationary stage when parking puts into operation when putting into automatic according to 322 control strategy of control module.
When technique normal operation, shut-off valve 1e, shut-off valve 1b, regulating valve 1a, shut-off valve 2e, shut-off valve 2b, adjust
Valve 2a ... is saved, shut-off valve ne, nb shut-off valve nb, na regulating valve na is closed.Gas 11 by pressure detecting 1F, cut
Only valve 1E, flowmeter 1D, regulating valve 1A, shut-off valve 1B, temperature detection 1C enter mixer 2, gas 22 by pressure detecting 2F,
Shut-off valve 2E, flowmeter 2D, regulating valve 2A, shut-off valve 2B, temperature detection 2C enter mixer 2, and gas nn passes through pressure detecting
NF, shut-off valve nE, flowmeter nD, regulating valve nA, shut-off valve nB, temperature detection nC enter mixer 2, and the gas of all kinds exists
Mixer 2 enters in gasification furnace 1 after evenly mixing, is reacted under the effect of the catalyst with feed coal.Wherein pressure detecting 1F, temperature
Degree detection 1C is respectively used to the pressure and temperature of detection gas 11, is being sent to the flow of gas 11 by flowmeter 1D flows
Normal volume is calculated in control module 31, control module 31 adjusts strategy adjustment regulating valve 1A according to set amount makes the reality of gas 11
Border air inflow maintains to stablize relatively, and 2F pressure detecting 2F, 2C temperature detections are respectively used to the pressure and temperature of detection gas 22,
The flow of gas 22 is sent in control module 31 by flowmeter 2D and calculates normal volume, control module 31 is according to set amount
Adjusting strategy adjustment regulating valve 2A makes the practical air inflow of gas 22 maintain to stablize relatively；As stated above, pressure detecting nF, temperature
Degree detection nC is respectively used to the pressure and temperature of detection gas nn, and the flow of gas nn is being sent to control by flowmeter nD
After module 31, control module 31 adjusts strategy adjustment regulating valve nA according to set amount makes the practical air inflow of gas nn remain opposite
Stablize, when opposite stationary stage of the technique when gasification system drives initial stage or decrement to parking, according to control when putting into automatic
The control strategy of molding block 31 puts into operation.
By the above-mentioned introduction to existing embodiment it is found that existing embodiment needs the flowmeter of twice of quantity, cuts
Only valve, regulating valve maintain the operation of gasification furnace different phase, while needing more sleeving temperatures detections and pressure detecting to corresponding
Flowmeter compensates.Existing embodiment not only makes the heavy workload at operating personnel scene, and makes pipe arrangement face
Product is big, simultaneously because the continuous switch of shut-off valve, can make shut-off valve 1E, shut-off valve 1B, shut-off valve 1e, shut-off valve 1b, shut-off valve
2E, shut-off valve 2B, shut-off valve 2e, 2b shut-off valve 2b, ..., shut-off valve nE, shut-off valve nB, shut-off valve ne, shut-off valve nb, which exist, to be let out
Leakage, result in process operation driving initial stage or decrement operation when gas 11, gas 22 ..., gas nn can be flowed through
Flowmeter 1D, flowmeter 2D ..., the pipeline where flowmeter nD, but at this time participate in control strategy operation be flowmeter 1d,
Flowmeter 2d ..., flowmeter nd, so just will appear the gas and flowmeter 1d, flowmeter actually entered in mixer 2
2d ..., the flow of flowmeter nd is inconsistent.Mixing is actually entered it is obvious that similarly will also result in technique normal operation
Gas in device 2 and flowmeter 1D, flowmeter 2D ..., the flow of flowmeter nD is inconsistent, is generated so as to cause 1 gasification furnace
The deterioration of product gas.
Fig. 2 is a kind of coal gasification inlet duct structural schematic diagram according to embodiment of the present invention.Reference numeral is said in Fig. 2
It is bright as follows：1 is gasification furnace；2 be mixer；31 module 1 in order to control；1A is regulating valve；1B is shut-off valve；1D is flowmeter；1E
For shut-off valve；2A is regulating valve；2B is shut-off valve；2D is flowmeter；2E is shut-off valve；NA is regulating valve；NB is shut-off valve；nD
For flowmeter；NE is shut-off valve；Gas 11 flows through first gasifying agent and flows through pipeline, and gas 22 flows through first gasifying agent and flows through
Pipeline, gas nn flow through nth bar gasifying agent and flow through pipeline.A kind of gasification furnace inlet duct 200 provided by the present application, including mixing
Device 2, control module 31 and each gasifying agent for being connect respectively with mixer 2 and control module 31 flow through pipeline, wherein each gas
Agent flows through pipeline and respectively includes regulating valve A, shut-off valve B, flowmeter D, shut-off valve E, and flowmeter D is mass flowmenter.This
Application makes gasifying agent drive to the parking whole service period all to walk using mass flowmenter and matched regulating valve
Same pipeline carries out the metering and control of flow, does not have to carry out pipeline switching, avoids and flow through other pipelines and cannot detect
The case where, the accurate metering and adjusting to gasifying agent are realized, ensure that the quality of product gas, and it is existing to reduce operating personnel
The workload of field reduces pipe arrangement area, is conducive to rationally utilize space, improves working efficiency.
As shown in Fig. 2, a kind of coal gasification inlet duct 200, device 200 include:Control module 31, mixer 2, Yi Jiduo
Gasifying agent flows through pipeline.Every gasifying agent flows through pipeline：Flowmeter, regulating valve；Every
The flow signal that every gasifying agent of measurement is flowed through the input gas of pipeline by the flowmeter of gasifying agent is sent to control module 31,
The flow signal that control module 31 flows through the input gas of pipeline according to the every gasifying agent received gasifies to corresponding every
Agent flows through the Regulate signal of the flow of the regulating valve transmission input gas of pipeline, and the regulating valve of pipeline is flowed through by every gasifying agent
Adjust the flow that every gasifying agent flows through the input gas of pipeline.Control module 31 flows through a plurality of gasifying agent in the input gas of pipeline
Control is adjusted in the flow of body.The input gas that a plurality of gasifying agent flows through pipeline enters mixer 2.
A kind of gasification furnace inlet duct 200 provided by the present application, including mixer 2, control module 31 and respectively with it is mixed
Each gasifying agent that clutch 2 and control module 31 connect flows through pipeline, wherein each gasifying agent flow through pipeline respectively include regulating valve A,
Shut-off valve B, flowmeter D, shut-off valve E, and flowmeter D is mass flowmenter.Specifically, as gasifying agent 11 flows through first pipeline
Including regulating valve 1A, shut-off valve 1B, flowmeter 1D, shut-off valve 1E, gasifying agent 22 flows through Article 2 pipeline and includes regulating valve 2A, cuts
Only valve 2B, flowmeter 2D, shut-off valve 2E, gasifying agent nn flow through nth bar pipeline include regulating valve nA, shut-off valve nB, flowmeter nD,
Shut-off valve nE.
The determination method that the application flows through internal diameter of the pipeline is：Determine gas 11 in gasifying agent, gas 22 ..., gas nn
The internal diameter of the pipeline flowed through, determining principle are gasification furnace required gas 11, gas 22 ..., gas nn in normal operation
Economic velocity when quality is determined that determining principle is：
D=18.81*SQRT (M/ μ ρ) (1), wherein D are internal diameter of the pipeline, unit mm；M is gasification furnace in normal operation
Required gas 11, gas 22 ..., the quality of gas nn, unit kg/h；μ is gas 11, gas 22 ..., and gas nn is in pipeline
Interior mean flow rate, unit m/s；ρ is gasification furnace required gas 11, gas 22 ... in normal operation, and gas nn's is close
Degree, unit m3/h.
Preferably, every gasifying agent flows through pipeline and includes：
First shut-off valve is set, every gasifying agent flow through pipeline input gasifying agent flow through first shut-off valve after
Input the flowmeter；
Second shut-off valve is set, every gasifying agent flow through pipeline input gasifying agent flow through the regulating valve after input
Second shut-off valve.
Preferably, every gasifying agent flows through position of the input gas of pipeline before inputting the first shut-off valve, setting pressure
Force detector；Every gasifying agent flows through position of the input gas of pipeline after inputting the second shut-off valve, and temperature detection is arranged
Device.
Preferably, flowmeter is ranging from：When needing to input minimum mass to the process operation of gasifying agent when process operation
Need 1.1 times of the biggest quality of input gasifying agent.In the application the measurement range of mass flowmenter D will include driving initial stage or
1.1 times of maximum stream flow when person is reduced auto-controll operation when the minimum and technique normal operation of gasifying agent.Such as it determines
Principle be exactly flowmeter 1D, flowmeter 2D ..., the range maximum value of flowmeter nD is required when being gasification furnace normal operation
Gas 11, gas 22 ..., 1.1 times of the gas nn biggest qualities.
Preferably, every gasifying agent flows through the flowmeter of pipeline and connects with regulating valve, and regulating valve is equal percentage regulating valve.
Preferably, it includes 2 regulating valves that every gasifying agent, which flows through pipeline, is connected with flowmeter after 2 regulating valve parallel connections.
Regulating valve can be two kinds in the application：One is with the concatenated equal percentage regulating valves of mass flowmenter D, it is a kind of
It is to connect with mass flowmenter D after two regulating valve parallel connections.After two regulating valve parallel connections with the concatenated sides of mass flowmenter D
Formula, takes Staged cotrol between two regulating valves, two regulating valves by internal diameter of the pipeline to determine respectively.
Regulating valve and the concatenated equal percentage regulating valve modes of mass flowmenter D, wherein regulating valve 1A, regulating valve 2A ...,
The bore selection of regulating valve nA gas 11, gas 22 of required adjusting when making gasification furnace normal operation ..., gas nn maximum matter
Amount can pass through.
If again with the concatenated modes of flowmeter D after taking two regulating valve parallel connections, in the pipeline before and after two regulating valves
Diameter, regulating valve bore to calculate separately：Ensure to automatically control when a regulating valve can make driving initial stage or decrement to parking
When gasifying agent adjusting aperture be located at 30-80%, and the flow velocity in pipeline is in economic velocity；Another regulating valve can make technique
The adjusting aperture of gasifying agent is located at 30-80% when normal operation automatically controls, and the flow velocity in pipeline is in economic velocity.
Preferably, 2 regulating valves take the quality of Staged cotrol input gas.
Preferably, every gasifying agent flows through the internal diameter of pipeline according to the economic velocity determination of input gas.Gas in the application
The economic velocity when internal diameter of the pipeline that body 11 is passed through is by gasification furnace normal operation when the quality of required gas 11 determines；Gas
The internal diameter of the pipeline that body 22 is passed through is true for the economic velocity institute in gasification furnace normal operation when the quality of required gas 22
It is fixed ..., the internal diameter of the pipeline that gas nn is passed through for gasification furnace normal operation when required gas nn quality when economic velocity institute
It determines.
Determine that each gasifying agent flows through the stress levels of pipeline, determining principle be exactly the stress levels of pipeline be not less than into
Enter gas 11, gas 22 ... required for gasification furnace, the maximum pressure of gas nn gasifying agents.
Preferably, the stress levels of flowmeter flow through the stress levels of pipeline not less than every gasifying agent.The application flow
Count 1D, flowmeter 2D ..., flowmeter nD stress levels flow through the stress levels of pipeline not less than technique gasifying agent.
Preferably, the stress levels of regulating valve flow through the stress levels of pipeline not less than every gasifying agent.It is adjusted in the application
Save valve 1A, regulating valve 2A ..., regulating valve nA stress levels flow through the stress levels of pipeline not less than every gasifying agent of technique.
Gas 11, the gas of required adjusting when the principle of the bore of regulating valve is gasification furnace normal operation are determined in the application
Body 22 ..., the range of gas nn mass.
The application flows through the stress levels of pipeline, the range of flowmeter, the stress levels of flowmeter, tune when each gasifying agent
After the bore of the stress levels, regulating valve that save valve determines, qualified pipeline, flowmeter, regulating valve are chosen.Gas 11 is logical
Piping enters mixer 2 followed by gas 11 after flowmeter 1D, regulating valve 1A, shut-off valve 1B；Gas 22 by pipeline according to
The secondary entrance mixer 2 of gas 22 after flowing through flowmeter 2D, regulating valve 2A, shut-off valve 2B；As stated above, gas nn passes through pipeline
Enter mixer 2 followed by gas nn after flowmeter nD, regulating valve nA, shut-off valve nB.Mixed gas enters gasification furnace 1
Reaction is participated in, product gas is generated.
When flowmeter 1D, flowmeter 2D ..., flowmeter nD can transmit input gas flow signal to control module 31
Afterwards, control module 31 can carry out operation according to set control strategy, export corresponding input gas flow Regulate signal
To regulating valve 1A, regulating valve 2A ..., regulating valve nA, come adjust gas 11, gas 22 ..., gas nn enters the stream of mixer 2
Amount.The effect of equal percentage regulating valve is small to changes in flow rate in small guide vane phase for regulating valve, and work mitigates steadily, big
Aperture phase is big to changes in flow rate, and working sensitivity is high, is conducive to the realization of the strategy of control module 31, makes big flow and small stream
It can accurately be adjusted when amount, meet and drive, is normal, being reduced to the stable operation stopped in the entire process operation period.
The application flowmeter nD, is adjusted when needing maintenance flowmeter 1D, regulating valve 1A or flowmeter 2D, regulating valve 2A ...
The first shut-off valve 1E, the second shut-off valve 1B or the first shut-off valve 2E, the second shut-off valve 2B ..., the first cut-off are shut when valve nA respectively
Valve nE, the second shut-off valve nB.
The application provides a kind of inlet duct, so that gasifying agent is being opened using mass flowmenter and matched regulating valve
Same pipeline is all walked in vehicle to parking whole service period and carries out mass metrology and control, without carrying out cutting for input gas pipeline
It changes, avoids the case where input gas flows through other pipelines and cannot detect, realize to the accurate metering of gasifying agent and tune
Section, ensure that the quality of product gas, and can reduce the workload at operating personnel scene, reduces gasifying agent flow detection and tune
Equipment is saved, reduces pipeline that gasifying agent flows through and mating shut-off valve, reduce the temperature detection and pressure detecting on pipeline
Etc. equipment, reduce pipe arrangement area, be conducive to rationally utilize space, raising working efficiency.
The present invention is described by reference to a small amount of embodiment.However, it is known in those skilled in the art, as
Defined by Patent right requirement, in addition to the present invention other embodiments disclosed above are equally fallen in the scope of the present invention
It is interior.
Normally, all terms used in the claims are all solved according to them in the common meaning of technical field
It releases, unless in addition clearly being defined wherein.All references " one/described/be somebody's turn to do [device, component etc.] " are all opened ground
It is construed at least one of described device, component etc. example, unless otherwise expressly specified.Any method disclosed herein
Step need not all be run with disclosed accurate sequence, unless explicitly stated otherwise.
Claims (10)
1. a kind of coal gasification inlet duct, described device include:Control module, mixer and a plurality of gasifying agent flow through pipeline；
The a plurality of gasifying agent flow through every gasifying agent in pipeline flow through pipeline by input gas flow include successively：Flow
Meter, regulating valve；In complete process cycle, every gasifying agent flows through the every gas of the flowmeter by measurement of pipeline
The flow signal that agent flows through the input gas of pipeline is sent to the control module, and the control module is according to the institute received
The flow signal for stating the input gas that every gasifying agent flows through pipeline flows through the adjusting of pipeline to corresponding every gasifying agent
Valve sends the Regulate signal of the flow of input gas, and every is flowed through described in the adjusting valve regulation of pipeline by every gasifying agent
Gasifying agent flows through the flow of the input gas of pipeline；
The control module, the flow for being flowed through the input gas of pipeline to a plurality of gasifying agent based on Regulate signal are adjusted
Control；
The input gas that a plurality of gasifying agent flows through pipeline enters the mixer, to carry out gas mixing.
2. the apparatus according to claim 1, including：
First shut-off valve is set, every gasifying agent flow through pipeline input gasifying agent flow through first shut-off valve after input
The flowmeter；
Second shut-off valve is set, and the input gasifying agent that every gasifying agent flows through pipeline flows through after the regulating valve described in input
Second shut-off valve.
3. the apparatus according to claim 1, every gasifying agent flows through the input gas of pipeline in the first cut-off of input
Before valve, pressure detector is set；Every gasifying agent flows through the input gas of pipeline after inputting the second shut-off valve, if
Set temperature detector.
4. the apparatus according to claim 1, the flowmeter is ranging from：It needs to input gasifying agent most when process operation
1.1 times of the biggest quality of input gasifying agent are needed when small quality to process operation.
5. the flowmeter that the apparatus according to claim 1, every gasifying agent flows through pipeline is connected with regulating valve, described
Regulating valve is equal percentage regulating valve.
6. it includes 2 regulating valves that the apparatus according to claim 1, every gasifying agent, which flows through pipeline, 2 adjustings
It connects with the flowmeter after valve parallel connection.
7. device according to claim 6,2 regulating valves take the quality that gas is inputted described in Staged cotrol.
8. the apparatus according to claim 1, every gasifying agent flows through the range of internal diameter of the pipeline according to the input gas
The economic velocity of body determines.
9. the apparatus according to claim 1, the stress levels of the flowmeter flow through pipe not less than every gasifying agent
The stress levels in road.
10. the apparatus according to claim 1, the stress levels of the regulating valve flow through pipe not less than every gasifying agent
The stress levels in road.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721039781.0U CN207944070U (en) | 2017-08-18 | 2017-08-18 | A kind of coal gasification inlet duct |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721039781.0U CN207944070U (en) | 2017-08-18 | 2017-08-18 | A kind of coal gasification inlet duct |
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| CN207944070U true CN207944070U (en) | 2018-10-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114410352A (en) * | 2022-02-24 | 2022-04-29 | 安徽科达洁能股份有限公司 | Adjustable waste heat recovery device and method |
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2017
- 2017-08-18 CN CN201721039781.0U patent/CN207944070U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114410352A (en) * | 2022-02-24 | 2022-04-29 | 安徽科达洁能股份有限公司 | Adjustable waste heat recovery device and method |
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