CN206668243U - Modularization for coal underground gasifying technology synthesizes gas processing system - Google Patents
Modularization for coal underground gasifying technology synthesizes gas processing system Download PDFInfo
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Abstract
It the utility model is related to a kind of modularization for coal underground gasifying technology and synthesize gas processing system, including such as lower component：（1）It is some that there is ambulant modular unit container；（2）Crude synthesis gas separation module；（3）Crude synthesis gas refrigerating module；（4）Crude synthesis gas wash module；（5）Gas-liquid separation module；（6）Monitoring and safety instrument module；（7）Synthesis gas sampling module；（8）Torch/incinerator/exhaust outlet module；（9）Dry synthesis gas set tube module；（2）‑（9）Each component be individually placed in modular unit container and individually debug, erecting bed will be mounted with（2）‑（7）The pipeline of each modular unit container of component is docked and connected, then again by surface line respectively at being mounted with（8）With（9）The pipeline of the modular unit container of component is docked and connected.The utility model advantageously improves existing coal underground gasification technology, improves poor efficiency, reduces cost.
Description
Technical field
It the utility model is related to a kind of modularization for coal underground gasifying technology and synthesize gas processing system, belong to coal
Process for underground gasification equipment technical field.
Background technology
Underground coal gasification(UCG) (ISC) be one by oxidant, burning and gasification reaction by subterranean coal are straight coal
Switch through the process for turning to product gas.Product gas is commonly known as synthesis gas, can be used as fuel production, Chemical Manufacture, generating etc.
The raw material of downstream process.The technical process set shaft building completion, underground coal mining and coal gasification process technology, have a security
Well, the advantages that investing small, high efficiency, pollution less.
One drilling well for being used for oxidant injection is referred to as " injection well ", and another drilling well for being used to produce product gas is referred to as
" product well ".Directed drilling and vertical drilling can all be used as injection well or product well.Underground coal gasification(UCG) (ISC) may inject
Also need to use between well and product well one or more peupendicular hole (such as：Functional well and service well).
When having injection well, product well and horizontal channel to connect the two in coal seam, this construction is referred to as a coal
Charcoal underground gasification (ISC) unit or well pair.ISC units include combustion zone, gasification zone and pyrolysis zone.Wherein, combustion zone is in coal seam
Near middle oxidant decanting point；Gasification zone is centered around around combustion zone in the form of radial or existed in combustion zone downstream, coal
Gasification zone is gasified, part is oxidized, so as to generate product gas；Pyrolysis zone typically exists in gasification zone downstream, the pyrolytic reaction of coal
Here occur.The product gas of high temperature is finally transported to ground from gasification zone toward downstream flow from product well well head.In coal combustion
Or while gasification, it is big that the ISC burned out area in coal seam can grow change.
The product gas (crude synthesis gas) generated by underground coal gasification(UCG) usually contains synthesis gas (CO, CO2, H2, CH4And its
The mixture of his gas) and other compositions (solid particle, water, coal tar, hydrocarbon vapours, other microcomponents include H2S,
NH4, COS etc.).Its complicated component degree depends on many aspects：Oxidant used in underground coal gasification(UCG) (air or other
Oxidant, such as oxygen, oxygen-enriched air or vapour mixture), inherent water or surrounding formations in coal seam penetrate into coal seam water,
The operating parameter of ature of coal and coal underground gasifying technology, including temperature, pressure etc..
According to existing patent document, the particular problem that current existing coal underground gasification technology faces includes：
ISC projects are usually located at remote districts, and ISC well site technologies equipment and support service equipment usually require group at the scene
Dress and implementation.This needs various technical teams and its equipment being transported to these remote places to perform the task.Therefore,
This larger expenditure of construction for improving whole project, when especially there are unpredictalbe weather conditions in these remote districts
(rain, snow, high temperature etc.), it can further increase the expenditure of construction of project.In addition, it is related to many inhomogeneities in the project implementation process
The part and instrument of type, it is very easy to cause to build the delay with overall project process.
The ISC projects usual cycle is 20 years to 30 years, changes within every 2 to 7 years currently without to be follow-up and reuses well head
Equipment and ground installation and any consideration made and regulation.
ISC wells be gradually distance from the process equipment built up with project on-site development progress to meeting and support service is set
It is standby.According to the topography and geomorphology such as hills and mountain valley at scene, it would be desirable to increase additional pump and process system to convey raw materials technology
With product from/to its surface technology facility.
For required experiment/demonstration plant before the industrially scalable project implementation, it is necessary to according to live actual conditions
It is designed and building technology equipment and supports service equipment, so will seriously postpones follow-up industrialization project implementation and popularization
Process.
Utility model content
The purpose of this utility model is solve the deficiencies in the prior art, there is provided a kind of for coal underground gasifying technology
Modularization synthesizes gas processing system.
Technical scheme is used by the utility model solves its technical problem：
Modularization for coal underground gasifying technology synthesizes gas processing system, based on ISC product wells, the modularization
Synthesizing gas processing system includes such as lower component：
(1) it is some that there is ambulant modular unit container；
(2) crude synthesis gas separation module, comprising at least one gas-solid-liquid three phase separation tank, for collecting coal particle, ash content
With heavy tar deposit；
(3) crude synthesis gas refrigerating module, comprising at least one heat exchanger, for reducing crude synthesis gas temperature to remove
Liquid under close to ambient temperature；
(4) crude synthesis gas wash module, comprising at least one Venturi scrubber or scrubbing tower, thick close is removed for washing
Into the gaseous impurities in gas；
(5) gas-liquid separation module, comprising at least one gas-liquid two-phase knockout drum, for separating dry synthesis gas and process water
And liquid tar；
(6) monitoring and safety instrument module, for controlling dry synthesis throughput and dry synthesis gas being directed into dry synthesis gas
Concetrated pipe pipe or torch/incinerator/exhaust outlet；
(7) synthesis gas sampling module, for manual and/or on-line analysis synthesis gas；
(8) torch/incinerator/exhaust outlet module, for being used as synthesis when debugging, startup stage or downstream process interrupt
The floss hole of gas；
(9) dry synthesis gas set tube module, comprising multiple grid-connected tube heads and pressure equalizing device, for collecting dry synthesis
Gas；
(2) each component of-(9) is individually placed in modular unit container and individually debugged, and erecting bed will pacify
The pipeline for being equipped with each modular unit container of (2)-(7) component is docked and connected, then again by surface line respectively with placement
The pipeline for having the modular unit container of (8) and (9) component is docked and connected.
Preferably, the modularization, which is combined to gas processing system, also includes
(10) liquid precipitation module, comprising at least one sedimentation basin or settling tank, for carrying out initial gross separation simultaneously to waste liquid
It is transported to process water and coal tar separation equipment is separated；
(11) process water and coal tar separation module, comprising at least one separation equipment, such as coalescing medium separator, vertically
Gravity separator or whizzer, for separating technology water and coal tar；
(12) process water storage module, comprising at least one holding vessel, it is further processed for storage process water；
(13) coal tar storage module, comprising at least one holding vessel, for storing coal tar byproduct；
(14) technique water treating module, including filtering, activated carbon absorption, counter-infiltration and Biochemical method equipment；
(15) water storage module is handled, comprising at least one holding vessel, for storing processing water as circulating coolant；
(16) process waste liquor storage module, comprising at least one holding vessel, for storing remaining waste liquor stream, deposit and dirt
Mud etc. carries out final process；
(17) liquid-phase product conveyor module, monitoring and safety instrument and water pump are included；
(10) each component of-(17) is individually placed in modular unit container and individually debugged, and erecting bed will
Be mounted with (5), (10), (11), (17), (12), (14), (15) component modular unit container pipeline successively in succession
It is logical, be mounted with (13) component modular unit container pipeline again with the pipe for the modular unit container for being mounted with (17) component
Line is docked and connected, and is mounted with the pipeline of modular unit container of (16) component again with being mounted with the modular unit of (14) component
The pipeline of container is docked and connected.
Preferably, the modular unit container uses 3m/20ft the or 6m/40ft containers with calibrated altitude.
The beneficial effects of the utility model：Modularization synthesis gas processing system of the present utility model advantageously improves existing coal
Charcoal underground gasification technology.When project reaches and runed at full capacity, project implementation progress, quality control and cost control will be greatly improved
System；In addition, when building ISC equipment in remote districts, modularization synthesis gas processing system will improve poor efficiency, reduce into
This.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1：Schematic diagram of the present utility model.
In figure：1st, product well；2nd, crude synthesis gas separation module 3, crude synthesis gas refrigerating module；4th, crude synthesis gas washing mould
Block；5th, gas-liquid separation module；6th, monitoring and safety instrument module；7th, synthesis gas sampling module；8th, torch/incinerator/exhaust outlet
Module；9th, dry synthesis gas set tube module；10th, liquid precipitation module；11st, process water and coal tar separation module；12nd, process water
Storage module；13rd, coal tar storage module；14th, technique water treating module；15th, water storage module is handled；16th, process waste liquor stores up
Storing module；17th, liquid-phase product conveyor module.
Embodiment
Below by specific embodiment, and with reference to accompanying drawing, the technical solution of the utility model is made further specifically
It is bright.
Modular system of the present utility model specifically describes the standarized component for including being bought in different suppliers, and
Particular design and the part of manufacture.Innovation of the present utility model, being combined as using single part and special part design can
It is mobile, modularization, containerized device systems unit, finally realize that ISC synthesizes the modularization of gas processing system.
As shown in figure 1, the modularization for coal underground gasifying technology synthesizes gas processing system, based on ISC products well 1,
The modularization, which is combined to gas processing system, includes such as lower component：
(1) it is some that there is ambulant modular unit container；
(2) crude synthesis gas separation module 2, comprising at least one gas-solid-liquid three phase separation tank, for collecting coal particle, ash
Divide and heavy tar deposit；
(3) crude synthesis gas refrigerating module 3, comprising at least one heat exchanger, for reducing crude synthesis gas temperature to remove
Close to the liquid under ambient temperature；
(4) crude synthesis gas wash module 4, comprising at least one Venturi scrubber or scrubbing tower, removed slightly for washing
Gaseous impurities in synthesis gas；
(5) gas-liquid separation module 5, comprising at least one gas-liquid two-phase knockout drum, for separating dry synthesis gas and process water
And liquid tar；
(6) monitoring and safety instrument module 6, for controlling dry synthesis throughput and dry synthesis gas being directed into dry synthesis gas
Gather tube module or torch/incinerator/exhaust outlet；
(7) synthesis gas sampling module 7, for manual and/or on-line analysis synthesis gas；
(8) torch/incinerator/exhaust outlet module 8, closed for being used as when debugging, startup stage or downstream process interrupt
Into the floss hole of gas；
(9) dry synthesis gas set tube module 9, comprising multiple grid-connected tube heads and pressure equalizing device, for collecting dry synthesis
Gas；
(2) each component of-(9) is individually placed in modular unit container and individually debugged, and erecting bed will pacify
The pipeline for being equipped with each modular unit container of (2)-(7) component is docked and connected, and is then distinguished again by surface line and pipe support
It is docked and connected in the pipeline for the modular unit container for being mounted with (8) and (9) component.
As shown in figure 1, comprising partial impurities, saturation gas phase stream, (water and hydrocarbon steam in the high-temperature crude synthesis gas from product well 1
Vapour), entrainment liquid (tar and pitch) and solid impurity (coal particle, ash content, sand and rock particles).Crude synthesis gas is by thick
Synthesis gas separation module 2, it includes at least one gas-solid-liquid three phase separation tank, also referred to as junk trap tank, to remove synthesis gas
In solid impurity and entrainment liquid impurity, the impurity isolated is fed directly to liquid precipitation module 10 and separated, so
Further processing is sent to afterwards.Crude synthesis gas after separation exports from the top of crude synthesis gas separation module 2, flows to crude synthesis gas
Refrigerating module 3, to remove close to the liquid impurity under ambient temperature.Refrigerating module needs live according to the project that is best suited for
Weather conditions with require the different cooling technology of selection.Wherein, indirect cooling method such as heat exchanger (fan, shell-tube type heat
Exchanger etc.) or heat recovery exchanger can be used for cool down crude synthesis gas；Direct cooling means, such as directly noted in raw synthesis gas stream
Enter cooling agent (quenching water, is quenched hydrocarbon, is quenched gas), occupation area of equipment can be effectively reduced.Afterwards, crude synthesis gas flows into thick synthesis
Gas washing module 4, exemplary apparatus are Venturi scrubber or scrubbing tower, effectively to remove the gaseous impurities in crude synthesis gas.Wash
Synthesis gas after washing enters gas-liquid separation module 5, including at least one gas-liquid two-phase knockout drum, removes remaining in synthesis air-flow
Liquid impurity.
Dry synthesis gas flow direction monitoring and safety instrument module 6, for monitoring the important technical parameter of synthesis gas, such as gas
Temperature, pressure, flow velocity and gas composition etc..Then these parameters are used for control and the security system of the module, with realization pair
The Automated condtrol of technique.Be connected to the module be synthesis gas sampling module 7 (such as raman laser analyzer, gas chromatograph,
Oxygen analyser etc.), for for manual and/or on-line analysis synthesis gas quality, and by control system, synthesis gas is drawn
Leading torch/incinerator/exhaust outlet module 8, (gas content exceeds specification, or oxygen content is higher than the feelings of LEL (LEL)
Condition) or it is directed to dry synthesis gas set tube module 9.Dry synthesis gas set tube module 9 includes multiple grid-connected tube heads and pressure balance
Equipment, implement grid-connected inflow concetrated pipe for balancing the synthesis atmospheric pressure from different gasification furnaces.
Above-mentioned technical proposal is one kind in the new various implementations of this implementation, on this basis, can be according to work
Journey condition, which is made, more specifically to be designed, and obtains different embodiments, is such as given up to further handle (5) components apart
Liquid, the modularization, which is combined to gas processing system, also to be included
(10) liquid precipitation module 10, comprising at least one sedimentation basin or settling tank, for carrying out initial gross separation to waste liquid
And it is transported to process water and coal tar separation equipment is separated；
(11) process water and coal tar separation module 11, comprising at least one separation equipment, such as coalescing medium separator, hang down
Straight gravity separator or whizzer, for separating technology water and coal tar；
(12) process water storage module 12, comprising at least one holding vessel, it is further processed for storage process water；
(13) coal tar storage module 13, comprising at least one holding vessel, for storing coal tar byproduct；
(14) technique water treating module 14, including filtering, activated carbon absorption, counter-infiltration and Biochemical method equipment；
(15) water storage module 15 is handled, comprising at least one holding vessel, for storing processing water as circulating coolant；
(16) process waste liquor storage module 16, comprising at least one holding vessel, for storing remaining waste liquor stream, deposit and
Sludge etc. carries out final process；
(17) liquid-phase product conveyor module 17, monitoring and safety instrument and water pump are included；
(10) each component of-(17) is individually placed in modular unit container and individually debugged, and erecting bed will
Be mounted with (5), (10), (11), (17), (12), (14), (15) component modular unit container pipeline successively in succession
It is logical, be mounted with (13) component modular unit container pipeline again with the pipe for the modular unit container for being mounted with (17) component
Line is docked and connected, and is mounted with the pipeline of modular unit container of (16) component again with being mounted with the modular unit of (14) component
The pipeline of container is docked and connected.
As shown in figure 1, all withdrawal liquid streams are same to be delivered to liquid precipitation module 10, comprising at least one sedimentation basin or
Settling tank, by the liquid cooling of collection to closer environment temperature, and oil-in-water emulsions are allowed to be initially separated.Oil-in-water emulsions flow into
Process water and coal tar separation module 11 carry out separating treatment, need to according to the composition addressing isolation technics of process water and coal tar and
Equipment, such as coalescing medium separator, vertical gravity separator, whizzer etc..Process water and coal tar after separation pass through
Water pump in liquid-phase product conveyor module 17, process water storage module 12 and coal tar storage module 13 are delivered to respectively.Meanwhile
Pump rate between various liquid treatment modules, control are controlled by the monitoring in liquid-phase product conveyor module 17 and security system
Liquid level, temperature etc., control and raising product separative efficiency.Process water is delivered at process water from process water storage module 12
Module 14 is managed, wherein technique water treatment procedure includes：Filtering, activated carbon absorb, counter-infiltration and Biochemical method.Work through processing
Skill water be transported to processing water storage module 15 it is standby, the processing water can be used as cooling agent circulation injection ISC wells pair.Remaining waste liquid
Stream, deposit and sludge etc. be delivered to process waste liquor storage and processing module 16, carry out final process, such as evaporation, extracting (salt,
Phenol etc.), burn or garbage loading embeading.
Specific in the present embodiment, the modular unit container uses 3m/20ft or 6m/40ft with calibrated altitude
Container, be readily transported using the ISO containers of high mobility, meanwhile, can according to the requirement of live weather and environmental condition,
In advance to the pipeline installation heat preserving and insulating material of each part or to corresponding modular unit container installation heat-preserving equipment etc..
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model.For
Those skilled in the art, the utility model can have various change and change.It is all the spirit and principles of the utility model it
It is interior, any modification, equivalent substitution and improvements done etc., it should be included within the scope of protection of the utility model.
Claims (3)
1. the modularization for coal underground gasifying technology synthesizes gas processing system, based on ISC product wells, it is characterised in that institute
Stating modularization synthesis gas processing system includes such as lower component：
(1) it is some that there is ambulant modular unit container；
(2) crude synthesis gas separation module, comprising at least one gas-solid-liquid three phase separation tank, for collecting coal particle, ash content and again
Matter tar deposits；
(3) crude synthesis gas refrigerating module, comprising at least one heat exchanger, approached for reducing crude synthesis gas temperature with removing
Liquid under ambient temperature；
(4) crude synthesis gas wash module, comprising at least one Venturi scrubber or scrubbing tower, crude synthesis gas is removed for washing
In gaseous impurities；
(5) gas-liquid separation module, comprising at least one gas-liquid two-phase knockout drum, for separating dry synthesis gas and process water and liquid
Body tar；
(6) monitoring and safety instrument module, for controlling dry synthesis throughput and dry synthesis gas being directed into dry synthesis gas set
Tube module or torch/incinerator/exhaust outlet module；
(7) synthesis gas sampling module, for manual and/or on-line analysis synthesis gas；
(8) torch/incinerator/exhaust outlet module, for when debugging, startup stage or downstream process interrupt as synthesis gas
Floss hole；
(9) dry synthesis gas set tube module, comprising multiple grid-connected tube heads and pressure equalizing device, for collecting dry synthesis gas；
(2) each component of-(9) is individually placed in modular unit container and individually debugged, and erecting bed will be mounted with
(2)-(7) pipeline of each modular unit container of component is docked and connected and is connected to the downstream of ISC product wells successively, realizes thick
Cooling, washing and the separation of synthesis gas, then again by surface line respectively at the modularization list for being mounted with (8) and (9) component
The pipeline of first container is docked and connected, and realizes the synthesis gas discharge or grid-connected of downstream processing requirements.
2. the modularization synthesis gas processing system for coal underground gasifying technology according to claim 1, it is characterised in that
The modularization synthesis gas processing system also includes
(10) liquid precipitation module, comprising at least one sedimentation basin or settling tank, for carrying out initial gross separation to waste liquid and conveying
Separated to process water and coal tar separation equipment；
(11) process water and coal tar separation module, comprising at least one separation equipment, for separating technology water and coal tar；
(12) process water storage module, comprising at least one holding vessel, it is further processed for storage process water；
(13) coal tar storage module, comprising at least one holding vessel, for storing coal tar byproduct；
(14) technique water treating module, including filtering, activated carbon absorption, counter-infiltration and Biochemical method equipment；
(15) water storage module is handled, comprising at least one holding vessel, for storing processing water as circulating coolant；
(16) process waste liquor storage module, comprising at least one holding vessel, for storing remaining waste liquor stream, deposit and sludge simultaneously
Carry out final process；
(17) liquid-phase product conveyor module, monitoring and safety instrument and water pump are included；
(10) each component of-(17) is individually placed in modular unit container and individually debugged, and erecting bed will dispose
The pipeline of modular unit container for having (5), (10), (11), (17), (12), (14), (15) component is docked and connected successively, pacifies
Be equipped with the pipeline of the modular unit container of (13) component again with the pipeline pair for the modular unit container for being mounted with (17) component
Lead in succession, be mounted with the pipeline of modular unit container of (16) component again with being mounted with the modular unit container of (14) component
Pipeline be docked and connected.
3. the modularization synthesis gas processing system for coal underground gasifying technology according to claim 1, it is characterised in that
The modular unit container uses 3m/20ft the or 6m/40ft containers with calibrated altitude.
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| CN201621238367.8U CN206668243U (en) | 2016-11-18 | 2016-11-18 | Modularization for coal underground gasifying technology synthesizes gas processing system |
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| CN201621238367.8U CN206668243U (en) | 2016-11-18 | 2016-11-18 | Modularization for coal underground gasifying technology synthesizes gas processing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112957864A (en) * | 2021-02-04 | 2021-06-15 | 华能（天津）煤气化发电有限公司 | Flying ash filtering system for preventing flying ash from entering torch after filter stick breakage |
-
2016
- 2016-11-18 CN CN201621238367.8U patent/CN206668243U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112957864A (en) * | 2021-02-04 | 2021-06-15 | 华能（天津）煤气化发电有限公司 | Flying ash filtering system for preventing flying ash from entering torch after filter stick breakage |
| CN112957864B (en) * | 2021-02-04 | 2022-03-25 | 华能（天津）煤气化发电有限公司 | Flying ash filtering system for preventing flying ash from entering torch after filter stick breakage |
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