CN206858470U - Coal gasification methanol system - Google Patents
Coal gasification methanol system Download PDFInfo
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- CN206858470U CN206858470U CN201720786662.5U CN201720786662U CN206858470U CN 206858470 U CN206858470 U CN 206858470U CN 201720786662 U CN201720786662 U CN 201720786662U CN 206858470 U CN206858470 U CN 206858470U
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- gasification
- methanol
- coal
- low temperature
- way pipe
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Abstract
The utility model provides a kind of coal gasification methanol system, it is related to methanol production equipment technical field, coal gasification methanol system provided by the utility model includes low temperature washing device for methanol, air separation unit, compressor, fine coal charging gear, three-way pipe and gasification installation, wherein：Low temperature washing device for methanol and air separation unit are connected with Compressor Pipes respectively, and compressor is used for the nitrogen for the carbon dioxide and air separation unit conveying for receiving low temperature washing device for methanol conveying and forms gaseous mixture；Fine coal charging gear, compressor and gasification installation are connected by three-way pipe, and gaseous mixture is mixed to form mixed material by three-way pipe and is emitted into gasification installation with fine coal.While coal gasification methanol system provided by the utility model can improve the methanol daily output, reduce the situation that cinder notch blocks up slag, there is higher economic benefit.
Description
Technical field
Methanol production equipment technical field is the utility model is related to, more particularly, to a kind of coal gasification methanol system.
Background technology
In fine coal gasification process, fine coal enters gasification installation from fine coal charging gear needs substantial amounts of inert gas conduct
Fine coal conveying gas conveys to fine coal, and at present, generally use high pressure nitrogen conveys gas as fine coal, but adopts this method
The daily output of methanol is relatively low, and coal consumption, power consumption are of a relatively high.In order to solve the above problems, height can be also used in the prior art
Carbon dioxide is pressed to convey gas as fine coal, although energy consumption can be reduced by adopting this method, when carbon dioxide is as fine coal
Between conveying the fate departure date, the mobility of gasifier slag reduces, and cinder notch blocks up the increase of slag situation, has a strong impact on the plant running cycle.Through
Ji benefit rarely has raising.
Therefore, how to provide a kind of higher coal gasification methanol system of economic benefit is that those skilled in the art need to solve
One of technical problem.
Utility model content
The purpose of this utility model is to provide a kind of coal gasification methanol system, to solve prior art coal gasification work
The relatively low technical problem of economic benefit in skill.
The utility model provides a kind of coal gasification methanol system, including low temperature washing device for methanol, air separation unit, compression
Machine, fine coal charging gear, three-way pipe and gasification installation, wherein：
The low temperature washing device for methanol and the air separation unit are connected with the Compressor Pipes respectively, and the compressor is used
In the carbon dioxide of the reception low temperature washing device for methanol conveying and the nitrogen of air separation unit conveying and form gaseous mixture；
The fine coal charging gear, the compressor and the gasification installation are connected by the three-way pipe, the mixing
Gas is mixed to form mixed material by the three-way pipe and is emitted into the gasification installation with the fine coal.
Further, the volume ratio of carbon dioxide and nitrogen is 4.5 in the gaseous mixture：1-5.5：1.
Further, surge tank, in addition to surge tank, the surge tank are provided between the compressor and the three-way pipe
It is connected respectively with the compressor and the threeway pipeline, for storing and exporting the gaseous mixture to the three-way pipe.
Further, the gas outlet of the surge tank is provided with safety valve, and the threshold value of the safety valve is 7.8MPa-
8.2MPa, when the air pressure in the surge tank is more than the threshold value of the safety valve, the safety valve is opened, when the surge tank
When interior air pressure is less than the threshold value of the safety valve, the safety valve is closed.
Further, in addition to enter device for coal, it is described enter device for coal respectively with the three-way pipe and the gasification installation pipe
Road connects, for receiving and exporting the mixed material to the gasification installation.
Further, the gasification installation includes gasification furnace, the gasification furnace with it is described enter device for coal pipeline be connected.
Further, in addition to for removing the deslagging device of the gasification furnace bottom slag.
Further, in addition to knot screen, the knot screen respectively with the gasification installation and the low-temp methanol
Cleaning device pipeline connects.
Further, the knot screen include successively pipeline connection ash handling equipment, wash device and converting means, institute
State gasification installation to be connected with the ash handling equipment pipeline, the converting means is connected with the low temperature washing device for methanol pipeline.
Further, in addition to synthesizer and rectifier unit, the low temperature washing device for methanol and the rectifier unit divide
It is not connected with the synthesizer pipeline.
Coal gasification methanol system provided by the utility model can produce following beneficial effect：
When above-mentioned coal gasification methanol system works, carbon dioxide is delivered to the same of compressor by low temperature washing device for methanol
When, nitrogen is delivered in compressor by space division system, and carbon dioxide passes through three-way pipe after being compressed with nitrogen in compressor
Mixed material is mixed to form with the fine coal of fine coal charging gear output, is added finally by pipeline into gasification installation
Work.
Generally use high pressure nitrogen or high-pressure carbon dioxide convey gas as fine coal in the prior art, but above-mentioned side
The economic benefit of method is relatively low.Coal gasification methanol system provided by the utility model by low temperature washing device for methanol and
Space division system while transport of carbon dioxide and nitrogen into compressor, pass through the high pressure that three-way pipe carbon dioxide and nitrogen are formed
Gaseous mixture conveys gas as fine coal, for pure high-pressure carbon dioxide or pure nitrogen gas are as fine coal conveying gas, using high pressure
Gaseous mixture conveys gas as fine coal, and mixed mixed material, which is transported to gasification installation, can ensure that the methanol daily output is higher and former
Material coal consumption rarely have it is increased in the case of, the clinker situation of gasification installation can significantly improve, cinder notch block up slag situation effectively reduce,
Solve the problems, such as that the gasification installation cycle of operation is short, while facilitate methanol technics to operate, economic benefit can increase substantially.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram for the coal gasification methanol system that the utility model embodiment one provides；
Fig. 2 is the schematic diagram for the coal gasification methanol system that the utility model embodiment two provides.
Icon：1- low temperature washing device for methanol；2- air separation units；3- compressors；4- fine coal charging gears；5- threeways
Pipe；6- gasification installations；7- surge tanks；8- enters device for coal；9- deslagging devices；10- ash handling equipments；11- washes device；
12- converting means；13- synthesizers；14- rectifier units.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
Specific embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.It should be appreciated that herein
Described embodiment is merely to illustrate and explained the utility model, is not limited to the utility model.
Fig. 1 is the schematic diagram for the coal gasification methanol system that the utility model embodiment one provides；Fig. 2 is the utility model
The schematic diagram for the coal gasification methanol system that embodiment two provides.
Embodiment one：
The purpose of the present embodiment is to provide a kind of coal gasification methanol system, as shown in figure 1, washing dress including low-temp methanol
1, air separation unit 2, compressor 3, fine coal charging gear 4, three-way pipe 5 and gasification installation 6 are put, wherein：The He of low temperature washing device for methanol 1
Air separation unit 2 is connected with the pipeline of compressor 3 respectively, compressor 3 be used for receive low temperature washing device for methanol 1 conveying carbon dioxide with
And air separation unit 2 convey nitrogen and form gaseous mixture；Fine coal charging gear 4, compressor 3 and gasification installation 6 pass through three-way pipe 5
Connection, gaseous mixture are mixed to form mixed material by three-way pipe 5 and are emitted into gasification installation 6 with fine coal.
When above-mentioned coal gasification methanol system works, carbon dioxide is delivered to compressor 3 by low temperature washing device for methanol 1
Meanwhile nitrogen is delivered in compressor 3 by space division system, carbon dioxide passes through three after being compressed with nitrogen in compressor 3
The fine coal that siphunculus 5 exports with fine coal charging gear 4 is mixed to form mixed material, finally by pipeline into gasification installation 6
It is processed.
Generally use high pressure nitrogen or high-pressure carbon dioxide convey gas as fine coal in the prior art, but above-mentioned side
The economic benefit of method is relatively low.Coal gasification methanol system provided by the utility model by low temperature washing device for methanol 1 with
And space division system while transport of carbon dioxide and nitrogen into compressor 3, pass through what the carbon dioxide of three-way pipe 5 was formed with nitrogen
High pressure mixing gas conveys gas as fine coal, for pure high-pressure carbon dioxide or pure nitrogen gas are as fine coal conveying gas, uses
High pressure mixing gas as fine coal convey gas, mixed mixed material transport to gasification installation 6 can ensure the methanol daily output compared with
High and material ton rarely have it is increased in the case of, the clinker situation of gasification installation 6 can significantly improve, and cinder notch, which blocks up slag situation, to be had
Effect is reduced, and solves the problems, such as that the cycle of operation of gasification installation 6 is short, while facilitates methanol technics to operate, and economic benefit can be significantly
Degree improves.
Further, in order that the economic benefit for obtaining the coal gasification methanol system that the present embodiment provides is higher, gaseous mixture
The volume ratio of middle carbon dioxide and nitrogen can be 4.5：1、4.7：1、5.0：1、5.2：1 or 5.5：1, i.e., conveyed in the unit interval
The volume ratio of carbon dioxide and nitrogen to compressor 3 can be 4.5：1、4.7：1、5.0：1、5.2：1 or 5.5：1.Work as unit
The carbon dioxide and the volume ratio of nitrogen being delivered in time in compressor 3 are higher than 5.5：When 1, the stream of the clinker of gasification installation 6
Dynamic property substantially reduces, and cinder notch blocks up the increase of slag situation, and the plant running cycle has been greatly shortened, when being delivered to compression in the unit interval
The ratio of carbon dioxide and nitrogen in machine 3 is less than 4.5：When 1, the daily output of methanol substantially reduces, and coal consumption, power consumption dramatically increase,
Economic benefit rarely has raising.The volume ratio of carbon dioxide in gaseous mixture and nitrogen is set in 4.5：1-5.5：When between 1,
It can effectively ensure that the methanol daily output is higher, and material ton as fine coal using pure high-pressure carbon dioxide with conveying gas phase
Than coal consumption rarely has increase, but the cycle of operation of gasification installation 6 can be extended to 17 days by 8 days, and economic benefit is higher.
As a kind of preferable scheme, in order that the economic benefit for obtaining the coal gasification methanol system that the present embodiment provides reaches
To highest, the volume ratio of carbon dioxide and nitrogen is 5.0 in gaseous mixture：1, when the dioxy that compressor 3 is delivered in the unit interval
The volume ratio for changing carbon and nitrogen is 5.0：When 1, the total profit that can ensure to sell obtained by methanol subtracts material ton and stopped
Profit obtained by cost used in vehicle overhauling reaches maximum so that the warp for the coal gasification methanol system that the present embodiment provides
Ji benefit can reach highest.
Embodiment two：
As shown in figure 1, the coal gasification methanol system that the utility model embodiment one provides, including：Low-temp methanol washes dress
1, air separation unit 2, compressor 3, fine coal charging gear 4, three-way pipe 5 and gasification installation 6 are put, wherein：The He of low temperature washing device for methanol 1
Air separation unit 2 is connected with the pipeline of compressor 3 respectively, compressor 3 be used for receive low temperature washing device for methanol 1 conveying carbon dioxide with
And air separation unit 2 convey nitrogen and form gaseous mixture；Fine coal charging gear 4, compressor 3 and gasification installation 6 pass through three-way pipe 5
Connection, gaseous mixture are mixed to form mixed material by three-way pipe 5 and are emitted into gasification installation 6 with fine coal.
Further, in order that the economic benefit for obtaining the coal gasification methanol system that the present embodiment provides is higher, gaseous mixture
The volume ratio of middle carbon dioxide and nitrogen can be 4.5：1、4.7：1、5.0：1、5.2：1 or 5.5：1.It is effective to ensure methanol day
Yield is higher and material ton rarely have it is increased in the case of, the clinker situation of gasification installation 6 can significantly improve.
As shown in Fig. 2 between compressor 3 and three-way pipe 5 in the coal gasification methanol system provided in the present embodiment two
Provided with surge tank 7, surge tank 7 is connected with compressor 3 and the pipeline of three-way pipe 5 respectively, and gaseous mixture is delivered to surge tank by compressor 3
In 7, the gaseous mixture of pressure within the specific limits can be sprayed into three-way pipe 5 by setting for surge tank 7, can effectively ensure that entrance
The pressure of the gaseous mixture of three-way pipe 5 so that what gaseous mixture can be evenly is mixed with fine coal, ensure that the stabilization to fine coal
Conveying.
Specifically, compressor 3 is used to gaseous mixture being forced into 8.2MPa so that compressed gas can have sufficiently large pressure
Power.
Further, postponed in order to more stable while the mixture pressure for ensureing to export in surge tank 7 is sufficiently large
Rush in tank 7 and export, the gas outlet of surge tank 7 is provided with safety valve, and the threshold value of safety valve is 7.8MPa-8.2MPa, when surge tank 7
When interior air pressure is more than the threshold value of safety valve, safety valve is opened, when the air pressure in surge tank 7 is less than the threshold value of the safety valve
When, safety valve is closed.The setting of safety valve could be from when causing the gaseous mixture inside surge tank 7 only to reach the threshold value of safety valve
Exported in surge tank 7 so that gaseous mixture can be mixed preferably with fine coal.
Further, in order to ensure that gaseous mixture can have enough pressure, the threshold value of safety valve is 8MPa.Work as surge tank
When the air pressure of gaseous mixture in 7 is more than 8MPa, safety valve is opened, and gaseous mixture is delivered into three-way pipe 5, the gas in surge tank 7
When pressure is less than 8MPa, safety valve is closed, until the air pressure of the gaseous mixture in surge tank 7 is more than 8MPa.
Specifically, the pressure of the gaseous mixture inside surge tank 7 is detected in real time in order to facilitate technical staff, surge tank
7 are provided with and are used to detect the pressure gauge of the internal mix atmospheric pressure of surge tank 7 so that technical staff can real-time monitored to surge tank
The pressure condition of gaseous mixture in 7, facilitates technical staff timely to be located when mixture pressure is excessive in surge tank 7
Reason.
More specifically, in order that the coal gasification methanol system for obtaining the present embodiment offer is more safe, on surge tank 7 also
Provided with alarm and microprocessor, microprocessor is connected with pressure gauge and alarm signal respectively, and pressure gauge, which is used to detect, to be buffered
The pressure of the internal mix gas of tank 7, and pressure information is delivered to microprocessor, microprocessor is used to be converted into pressing by pressure information
Force signal, and by the pressure signal compared with default pressure signal in microprocessor, when the pressure signal is more than micro- place
When managing default pressure signal in device, electric signal is delivered to alarm by microprocessor, and alarm is alarmed.Due to the people that works
Member can not carry out real-time monitored by the pressure gauge on surge tank 7 at any time, when the lengthy pressure of the internal mix gas of surge tank 7 is excessive
There can be very big potential safety hazard, the pressure of the internal mix gas of staff's surge tank 7 can effectively be warned by being provided with alarm
Power is too high so that staff timely can be handled in shutdown.
Further, in order that gaseous mixture be delivered to gasification installation 6 with fine coal before can be evenly mix, three
It is provided between siphunculus 5 and the gasification installation 6 into device for coal 8, enters device for coal 8 and connect respectively with three-way pipe 5 and the pipeline of gasification installation 6
Connect, for receiving and to the output mixture material of gasification installation 6.Mixed material is delivered into device for coal 8 by three-way pipe 5, enters coal dress
8 mixed materials for being used to receive the conveying of three-way pipe 5 are put, to enable mixed material more fully to be mixed in device for coal 8 is entered
Close, and the mixed material after being sufficiently mixed is delivered in gasification installation 6 by entering device for coal 8.
Further, gasification installation 6 includes gasification furnace, and gasification furnace is connected with entering the pipeline of device for coal 8, and gasification furnace is used to receive
Mixed material simultaneously reacts mixed material in gasification furnace with gasifying agent, generation raw gas, and the gasifying agent in gasification furnace includes oxygen
Gas, it can be connected between gasification furnace and air separation unit 2 by pipeline, so that air separation unit 2 can provide oxygen into gasification furnace.
Further, in order to ensure gasification furnace can normal operation, the present embodiment provide coal gasification methanol system also
Including the deslagging device 9 for removing gasification furnace bottom slag.When the stifled slag situation of the cinder notch for the furnace bottom that gasifies is serious, Ke Yitong
The clinker that deslagging device 9 removes cinder notch is crossed, ensures the normal operation of gasification furnace.
Further, in order to remove the impurity in raw gas, the coal gasification methanol system that the present embodiment provides also includes
Knot screen, knot screen are connected with gasification installation 6 and the pipeline of low temperature washing device for methanol 1 respectively, for receiving gasification installation 6
The raw gas of conveying, and the impurity in raw gas is removed, the raw gas after removal of impurities is delivered to low temperature washing device for methanol 1.
Further, the coal gasification methanol system that the present embodiment provides also includes the ash handling equipment of pipeline connection successively
10th, device 11 and converting means 12 are washed, gasification installation 6 is connected with the pipeline of ash handling equipment 10, converting means 12 and low-temp methanol
The pipeline of cleaning device 1 connects.The fly-ash filter of ash handling equipment 10 is used to remove the most of flying dust being mingled with raw gas, then
Raw gas after ash disposal is delivered to and washes device 11 by ash handling equipment 10 by pipeline, is washed device 11 and is used to enter one to raw gas
Step carries out cooling ash disposal, then washes device 11 and the raw gas after processing is delivered into converting means 12 by pipeline, change changes the outfit
Put 12 to be used for carbon monodixe conversion too high in raw gas into carbon dioxide, while generate hydrogen, for adjusting raw gas
In carbon monoxide and hydrogen content, meet the requirement to hydrogen-carbon ratio in ensuing process, converting means 12 passes through pipeline
Raw gas is delivered to low temperature washing device for methanol 1, low temperature washing device for methanol 1 is used to remove the sulfide and titanium dioxide in raw gas
Carbon is to form purer coal gas, while low temperature washing device for methanol 1 is used for the transport of carbon dioxide into compressor 3.
Further, the coal gasification methanol system that the present embodiment provides also includes synthesizer 13 and rectifier unit 14,
Low temperature washing device for methanol 1 and rectifier unit 14 are connected with the pipeline of synthesizer 13 respectively.Synthesizer 13 be used for receive coal gas with
Synthetic coarse methanol, subsequent crude carbinol is by pipeline to rectifier unit 14, to go the removal of impurity to obtain refined methanol.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (10)
1. a kind of coal gasification methanol system, it is characterised in that including low temperature washing device for methanol (1), air separation unit (2), compression
Machine (3), fine coal charging gear (4), three-way pipe (5) and gasification installation (6), wherein：
The low temperature washing device for methanol (1) and the air separation unit (2) are connected with the compressor (3) pipeline respectively, the pressure
Contracting machine (3) is used for the nitrogen for the carbon dioxide and air separation unit (2) conveying for receiving the low temperature washing device for methanol (1) conveying
Gas simultaneously forms gaseous mixture；
The fine coal charging gear (4), the compressor (3) and the gasification installation (6) are connected by the three-way pipe (5),
The gaseous mixture is mixed to form mixed material by the three-way pipe (5) and is emitted into the gasification installation (6) with the fine coal.
2. coal gasification methanol system according to claim 1, it is characterised in that carbon dioxide and nitrogen in the gaseous mixture
The volume ratio of gas is 4.5：1-5.5：1.
3. coal gasification methanol system according to claim 1, it is characterised in that also including surge tank (7), the buffering
Tank (7) is connected with the compressor (3) and the three-way pipe (5) pipeline respectively, for storing and being exported to the three-way pipe (5)
The gaseous mixture.
4. coal gasification methanol system according to claim 3, it is characterised in that the gas outlet of the surge tank (7) is set
There is safety valve, the threshold value of the safety valve is 7.8MPa-8.2MPa, when the air pressure in the surge tank (7) is more than the safety
During the threshold value of valve, the safety valve is opened, described when the air pressure in the surge tank (7) is less than the threshold value of the safety valve
Safety valve is closed.
5. coal gasification methanol system according to claim 3, it is characterised in that also include into device for coal (8), it is described enter
Device for coal (8) is connected with the three-way pipe (5) and the gasification installation (6) pipeline respectively, for receiving and being filled to the gasification
Put (6) and export the mixed material.
6. coal gasification methanol system according to claim 5, it is characterised in that the gasification installation (6) includes gasification
Stove, the gasification furnace with it is described enter device for coal (8) pipeline be connected.
7. coal gasification methanol system according to claim 6, it is characterised in that also include being used to remove the gasification furnace
The deslagging device (9) of bottom slag.
8. coal gasification methanol system according to claim 1, it is characterised in that also including knot screen, the removal of impurities
Device is connected with the gasification installation (6) and the low temperature washing device for methanol (1) pipeline respectively.
9. coal gasification methanol system according to claim 8, it is characterised in that the knot screen includes pipeline successively
The ash handling equipment (10) of connection, wash device (11) and converting means (12), the gasification installation (6) and the ash handling equipment
(10) pipeline connects, and the converting means (12) is connected with the low temperature washing device for methanol (1) pipeline.
10. coal gasification methanol system according to claim 9, it is characterised in that also including synthesizer (13) and essence
Distillation unit (14), the low temperature washing device for methanol (1) and the rectifier unit (14) respectively with the synthesizer (13) pipeline
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720786662.5U CN206858470U (en) | 2017-06-30 | 2017-06-30 | Coal gasification methanol system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720786662.5U CN206858470U (en) | 2017-06-30 | 2017-06-30 | Coal gasification methanol system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206858470U true CN206858470U (en) | 2018-01-09 |
Family
ID=60829488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720786662.5U Expired - Fee Related CN206858470U (en) | 2017-06-30 | 2017-06-30 | Coal gasification methanol system |
Country Status (1)
| Country | Link |
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| CN (1) | CN206858470U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112899031A (en) * | 2021-01-15 | 2021-06-04 | 中国神华煤制油化工有限公司 | Method and device for reducing ammonia and hydrocyanic acid content in coal gasification gas |
-
2017
- 2017-06-30 CN CN201720786662.5U patent/CN206858470U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112899031A (en) * | 2021-01-15 | 2021-06-04 | 中国神华煤制油化工有限公司 | Method and device for reducing ammonia and hydrocyanic acid content in coal gasification gas |
| CN112899031B (en) * | 2021-01-15 | 2022-04-15 | 中国神华煤制油化工有限公司 | Method and device for reducing ammonia and hydrocyanic acid content in coal gasification gas |
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Granted publication date: 20180109 Termination date: 20200630 |