CN205999299U - A kind of ammonia from coal, coal process of acetic acid reduce discharging the combined unit of CO2 - Google Patents

A kind of ammonia from coal, coal process of acetic acid reduce discharging the combined unit of CO2 Download PDF

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Publication number
CN205999299U
CN205999299U CN201620805248.XU CN201620805248U CN205999299U CN 205999299 U CN205999299 U CN 205999299U CN 201620805248 U CN201620805248 U CN 201620805248U CN 205999299 U CN205999299 U CN 205999299U
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gas
coal
transmission pipeline
acetic acid
valve
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崔发科
牛玉奇
谢肥东
沈小炎
杜霞
陈磊
黄孺国
孟斌
李星
崔小明
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HENAN LONGYU COAL CHEMICAL CO Ltd
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HENAN LONGYU COAL CHEMICAL CO Ltd
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Abstract

The utility model discloses a kind of ammonia from coal, coal process of acetic acid reduce discharging CO2Combined unit, this device includes ammonia from coal device, coal acetic acid plant, connects the CO of ammonia from coal device and coal acetic acid plant2Connection pipe network, and the gas transmission pipeline connecting ammonia from coal device and coal acetic acid plant;Described gas transmission pipeline includes rough coal feed channel, carbon monoxide CO gas transmission pipeline and hydrogen H2Gas transmission pipeline.CO2Ammonia from coal and coal acetic acid plant are attached the by-product CO so that producing by connection pipe network2Can effective recycling, greatly reduce CO2Discharge capacity;Ammonia from coal and coal acetic acid plant are attached by gas transmission pipeline so that the available gas that coal acetic acid produces are used for the preparation of methanol and acetic acid, increased the yield of methanol and acetic acid;There are obvious economic results in society.

Description

A kind of ammonia from coal, coal process of acetic acid reduce discharging CO2Combined unit
Technical field
This utility model belongs to coal gasification production technical field, is related to a kind of ammonia from coal, coal acetic acid combined unit, tool Body is related to a kind of ammonia from coal, reduces discharging CO in coal process of acetic acid2And the combined unit of increase yield of methanol and acetic acid.
Technical background
All emptying along with great amount of carbon dioxide gas during the currently production run of large-scale coal chemical engineering equipment, According to incompletely statistics, annual capacity 500,000 tons ammonia from coal, acetic acid plant, annual carbon dioxide average discharge exists More than 2300000 tons.Under the increasingly serious situation of China or even global environmental protection work, in Coal Chemical Industry market continued downturn In situation, in the case that especially large-size chemical garden scale and quantity continue to increase at home, how to research and develop carbon dioxide temperature The reduction of discharging of room gas and its comprehensive utilization technique, the constellation effect how playing industrial park and resources integration advantage show Particularly important.
In most coal chemical engineering equipment technological designs, take off, in acid, the great amount of carbon dioxide gas quilt washing out in device Directly it is vented as discarded.In the process, carbon dioxide the de- device of acid direct emptying can carry have on a small quantity substantially different The hydrogen sulfide gas of taste and toxicity, methanol, have larger harm to health, working environment, living environment;And, two Carbon oxide gas as a kind of be widely used in industry and food service industry, gas that economic worth is higher, directly discharge not only Cause the serious wasting of resources, also exacerbate the greenhouse effect phenomenon in the whole world simultaneously.
In the pressurized gasification of coal dust, it is all to use nitrogen as fine coal induction system inertia shielding gas and conveying gas, gas Change supertension blowback air and chill air compressor blanket gass and the impeller purge gass of stove, had using nitrogen larger in the process Shortcoming:(1) consume substantial amounts of nitrogen need space division to improve itself load to provide, this can cause air separation unit consumption rise and The waste of nitrogen resource;(2) a large amount of nitrogen enter in gasification furnace, with synthesis gas (predominantly CO, H2) react generation in a large number Ammonia nitrogen, increase the preliminary water treatment system of coal gasification apparatus and the intractability of downstream wastewater system;(3) a large amount of nitrogen enter Enter can cause in synthesis gas the methanol synthesizer periodic off-gases emptying quantity combusted in coal gasification apparatus downstream larger, lead to mass efficient The emptying of the great amount of carbon dioxide gas producing in the waste of coal gas and combustion process;(4) low-temp methanol washes produced two Carbon oxide gas are vented in a large number, not only cause the waste of resource, and pollute environment, exacerbate greenhouse effect, are unfavorable for looking forward to Industry is realized enterprise under economic new normality and increasingly urgent environmental protection pressure and is reduced discharging potentiation, reduces loss and increases profit.
Utility model content
In order to solve the above problems, this utility model provides a kind of ammonia from coal, coal process of acetic acid reduces discharging titanium dioxide Carbon CO2Combined unit, the arrangement achieves CO during methanol and production of acetic acid2Reduction of discharging and recycle, alleviate due to The greenhouse effect that enterprise's great amount of carbon dioxide emptying causes;Unqualified raw material in production process is effectively carried out back by this device Receive and utilize, greatly reduce waste and the environmental pollution that unqualified raw material emptying burning brings, so that enterprise will be opened in country in future Carbon emission is on a good wicket behind market.
This utility model is achieved through the following technical solutions
A kind of ammonia from coal, coal process of acetic acid reduce discharging CO2Combined unit, this device includes ammonia from coal device I, coal Acetic acid plant II processed, connects the CO of ammonia from coal device and coal acetic acid plant2Connection pipe network, and connect ammonia from coal device With the gas transmission pipeline of coal acetic acid plant, described gas transmission pipeline includes raw gas conveyance conduit, hydrogen H2Gas Conveyance conduit and carbon monoxide CO gas transmission pipeline.
Described ammonia from coal device I includes fine coal induction system I a, shell gasification furnace I b, High Temperature High Pressure fly-ash filter I c, CO converting means I d, de- device I e of acid, methanol synthesizer, flare system, steam pipe oven, gasification installation air stove, sulfur Retracting device, N2/CO2Compressor I f, supertension N2/CO2Surge tank I g, chill air compressor I h and technical grade liquid CO2Produce Device I k;The material outlet of described fine coal induction system I a is connected with the material inlet of shell gasification furnace I b by conveyance conduit Logical, the synthesis gas gas outlet of shell gasification furnace I b passes through the import phase of gas transmission pipeline and High Temperature High Pressure fly-ash filter I c Connection, the gas outlet of High Temperature High Pressure fly-ash filter I c passes through the gas feed phase of gas transmission pipeline and CO converting means I d Connection, the gas feed of the described gas outlet of CO converting means I d device I e de- with acid is connected by gas transmission pipeline Logical, described acid takes off the H of device I e2Pass through gas with the gas outlet of CO mixed gas with the material inlet of methanol synthesizer Conveyance conduit is connected, and draws four arms, pass through respectively after the periodic off-gases outlet header in methanol synthesizer and main valve A0 Valve A1 and corresponding pipeline be connected with the import of flare system, by valve A2 and corresponding pipeline and steam pipe oven Fuel gas inlet is connected, is connected with the fuel gas inlet of gasification installation air stove by valve A3 and corresponding pipeline, leading to Cross valve A4 and corresponding pipeline is connected with the fuel gas inlet of sulfur recovery unit;In above-mentioned valve, described valve A0 is Pneumatic on-off valve, described valve A1, A2, A3, A4 is pressure-control valve;
Described acid takes off the CO of device I e2Gas outlet and N2/CO2The CO of compressor I f2Conveyance conduit is passed through in gas feed It is connected, N2/CO2Compressor I f high pressure CO2Gas outlet R1 and supertension N2/CO2Delivery pipe is passed through in surge tank I g gas feed Road is connected, described supertension N2/CO2The CO of surge tank I g2Gas outlet X1 is connected with tee pipe coupling I 4, described Tee pipe coupling I 4 is connected with pipeline branch pipe B, pipeline branch pipe C respectively, described pipeline branch pipe B and fine coal induction system I a phase Connection, described pipeline branch pipe C are connected with shell gasification furnace I b;Described supertension N2/CO2The CO of surge tank I g2Gas goes out Mouth X2 is connected with chill air compressor I h by gas transmission pipeline;Described supertension N2/CO2The CO of surge tank I g2Gas Outlet X3 is connected with High Temperature High Pressure fly-ash filter I c by gas transmission pipeline;Described N2/CO2Compressor I f is additionally provided with Normal pressure CO2Gas outlet R2, described gas outlet R2 pass through gas transmission pipeline and produce dress with industrial liquid carbon dioxide The charging aperture putting I k is connected.
Described coal acetic acid plant II includes fine coal induction system II a, five rings gasification furnace II b, and carbon monoxide CO converts Device II c, de- device II d of acid, CO cryogenic separation device, middle pressure CO compressor, hydrogen psa concentration unit, acetic synthesis Device, flare system;N2/CO2Compressor II e, supertension N2/CO2Surge tank II f, chill air compressor II g and technical grade liquid Body CO2Process units I k;Described fine coal induction system II a is connected with five rings gasification furnace II b by fine coal conveyance conduit, five rings The outlet of the forming gas of gasification furnace II b is connected with the import of CO converting means II c by gas transmission pipeline, and CO change changes the outfit The gas outlet putting II c is connected by the import of gas transmission pipeline and de- device II d of acid, and described acid takes off the CO of device II d With H2The outlet of mixed gas is connected with the gas feed of CO cryogenic separation device by gas transmission pipeline, CO cryogenic separation The CO gas outlet of device is connected with middle pressure CO compressor by gas transmission pipeline, the qualified CO gas of middle pressure CO compressor Outlet Y1 is connected with the charging aperture of acetic synthesis device by gas transmission pipeline, and the periodic off-gases outlet of acetic synthesis device is logical Cross gas transmission pipeline to be connected with the charging aperture of flare system;The unqualified CO gas outlet Y2 of middle pressure CO compressor passes through one Carbonoxide CO gas transmission pipeline is connected with the charging aperture of methanol synthesizer;The hydrogen rich gas gas of CO cryogenic separation device goes out Mouth is connected with the gas feed of hydrogen psa concentration unit (PSA device) by gas transmission pipeline, the conjunction of PSA device Lattice H2Gas outlet Z1 is connected with the charging aperture of ethylene glycol synthesizer by gas transmission pipeline, the unqualified H of PSA device2 Gas outlet Z2 passes through hydrogen H2Gas transmission pipeline is connected with the charging aperture of methanol synthesizer;
Described acid takes off the CO of device II d2Gas outlet passes through gas transmission pipeline and N2/CO2The CO of compressor II e2Gas Body import is connected, N2/CO2The high pressure CO of compressor II e2Gas outlet T1 passes through gas transmission pipeline and supertension N2/CO2Slow The import rushing tank II f is connected, described supertension N2/CO2The CO gas outlet S1 of surge tank II f is connected with tee pipe coupling II 4 Logical, described tee pipe coupling II 4 is connected with pipeline branch pipe M, pipeline branch pipe N respectively, and described pipeline branch pipe M is defeated with fine coal System II a is sent to be connected, described pipeline branch pipe N is connected with five rings gasification furnace II b by gas transmission pipeline;Described superelevation Pressure N2/CO2The CO gas outlet S2 of surge tank II f is connected with the import of chill air compressor II g by gas transmission pipeline, The outlet of chill air compressor II g is connected with the import of five rings gasification furnace by conveyance conduit;Described N2/CO2Compressor II E is additionally provided with normal pressure CO2Gas outlet T2, described gas outlet T2 passes through gas transmission pipeline and industrial liquid carbon dioxide The charging aperture of process units I k is connected.
Described CO2The two ends of connection pipe network are connected with shell gasification furnace, five rings gasification furnace respectively, CO2Communicating pipe Netcom Cross valve I 0 to be connected with shell gasification furnace, be connected with five rings gasification furnace by valve II 0;Described raw gas conveyance conduit Two ends are connected with shell gasification furnace I b, CO converting means II c respectively, and this raw gas conveyance conduit passes through valve I 1 and shell gasification Stove I b is connected, is connected with CO converting means II c by valve II 1;Described carbon monoxide CO gas transmission pipeline two ends It is connected with middle pressure CO compressor, methanol synthesizer respectively, be connected with methanol synthesizer by valve I 2, pass through valve II 2 are connected with middle pressure CO compressor;Described hydrogen H2Gas transmission pipeline two ends are filled with hydrogen psa concentration respectively Put, methanol synthesizer is connected, be connected with methanol synthesizer by valve I 3, by valve II 3 and pressure-variable adsorption hydrogen Gas concentration unit is connected.Above-mentioned valve I 0, II 0, I 1, II 1, I 2, II 2, I 3, II 3 is pneumatic switch valve.
Brief description
Fig. 1 is ammonia from coal, coal acetic acid combined unit schematic diagram;
In figure, 1 is CO2Connection pipe network, 2 is raw gas conveyance conduit, and 3 is carbon monoxide CO gas transmission pipeline, and 4 is hydrogen Gas H2Gas transmission pipeline.
Compared with prior art, this utility model has following positive beneficial effect
(1) this utility model washes the CO of by-product using low-temp methanol2, after pressurizeing, substitute N by gas transmission pipeline2As The inertia shielding gas of fine coal induction system and the supertension blowback of conveying gas, shell gasification furnace and High Temperature High Pressure fly-ash filter Gas, the blanket gass of chill air compressor and impeller purge gass, decrease N in synthesis gas2Content it is achieved that ammonia from coal device A large amount of reducing emission of carbon dioxide increase yield of methanol and acetic acid;
(2) this utility model washes CO more than needed using low-temp methanol between ammonia from coal device normal production period2, after pressurization It is sent in the five rings coal gasification apparatus in coal acetic acid plant by gas transmission pipeline, gradually substitute N2As fine coal delivery system The inertia shielding gas of system and conveying gas, the supertension blowback air of gasification furnace and chill air compressor blanket gass and impeller purge gass, Part CO2Occur reduction reaction to generate CO with coal dust at high temperature, increased the amount of available gas CO in synthesis gas, decrease conjunction Become N in gas2Content, make coal gasification apparatus can achieve year increase production effective coal gas, reduce a large amount of CO2Discharge;
(3) this utility model utilizes the combined unit of ammonia from coal and coal acetic acid, makes generation in coal acetic acid plant Available gas (mainly CO and H2) methyl alcohol product installation production methanol can be sent to;Can also make to produce in ammonia from coal device Available gas (mainly CO and H2) production of acetic acid device production acetic acid can be sent to;According to actual production measuring and calculating, in device fortune Between the departure date, the available gas of coal acetic acid or methanol device are sent to ammonia from coal or acetic acid plant produces methanol or acetic acid, effective gas Body maximum yield reaches 30,000 Nm3/ h, voluminous 200 tons of methanol daily, voluminous 350 tons of acetic acid daily, an acetic acid plant runin Car can be utilized this portion gas be sent to ammonia from coal device produce 600 tons of methanol, can for enterprise saving production cost 1,000,000 with On, reducing emission of carbon dioxide 825 ton/time, greatly reduces CO simultaneously2Discharge capacity increased the recovery utilization rate of resource simultaneously; Methanol device runin car can be utilized this portion gas to be sent to coal acetic acid plant and produces 350 tons of acetic acid, can save for enterprise Production cost more than 800,000, reducing emission of carbon dioxide 260 ton/time, greatly reduces CO simultaneously2Discharge capacity increased resource simultaneously Recovery utilization rate;
(4) this utility model passes through ammonia from coal, acetic acid combined unit, greatly reduces driving initial stage raw material coal gasification and produces Effective coal gas (CO+H2) it is vented a large amount of wastes that burning brings, increase the effective coal gas of synthesis gas in device steady operation period and contain Amount, every year can more than 160,000 tons of reducing emission of carbon dioxide;It is vented the periodic off-gases recycling of burning in methanol production process, be used as Steam pipe oven, gasification installation air stove, sulfur recovery unit and flare system dispensing fuel gas, greatly reduce and thus carry The waste of fuel gas and the extra carbon dioxide emptying producing that come are it is achieved that under economic new normality and low chemical industry market The fall of coal chemical industry enterprises originally proposes effect, energy-saving and emission-reduction, has significant economic and social benefits;
(5) ammonia from coal device, coal acetic acid plant are used in combination by this utility model, in the life of ammonia from coal device When breaking down between term, forming gas is delivered to the synthesis carrying out acetic acid in coal acetic acid plant;When coal acetic acid dress Put when production period breaks down, synthesis gas is discharged water to carry out the production of methanol in ammonia from coal device;Avoid and giving birth to The emptying of forming gas when breaking down between term, not only greatlys save cost of material, also reduces the temperature that gas discharge causes The environmental problems such as room effect.
Specific embodiment
Below by embodiment, this utility model is described in more details, but is not limited to this utility model Protection domain.
Embodiment 1
A kind of ammonia from coal, coal process of acetic acid reduce discharging CO2Combined unit, as shown in Figure 1:This device includes coal first Alcohol device I, coal acetic acid plant II, connect the CO of ammonia from coal device and coal acetic acid plant2Connection pipe network 1, and connect Ammonia from coal device and the gas transmission pipeline of coal acetic acid plant, described gas transmission pipeline includes raw gas conveyance conduit 2nd, hydrogen H2Gas transmission pipeline 4 and carbon monoxide CO gas transmission pipeline 3.
Wherein, described ammonia from coal device I includes fine coal induction system I a, shell gasification furnace I b, High Temperature High Pressure flying dust Filter I c, CO converting means I d, de- device I e of acid, methanol synthesizer, flare system, steam pipe oven, gasification installation heat Wind furnace, sulfur recovery unit, N2/CO2Compressor I f, supertension N2/CO2Surge tank I g, chill air compressor I h and technical grade liquid CO2Process units I k;The material outlet of described fine coal induction system I a passes through the material of conveyance conduit and shell gasification furnace I b Import is connected, and the synthesis gas gas outlet of shell gasification furnace I b passes through gas transmission pipeline and High Temperature High Pressure fly-ash filter I c Import be connected, the gas outlet of High Temperature High Pressure fly-ash filter I c passes through the gas of gas transmission pipeline and CO converting means I d Body import is connected, and air shooter is passed through in the gas feed of the described gas outlet of CO converting means I d device I e de- with acid Road is connected, and described acid takes off the H of device I e2Lead to the material inlet of methanol synthesizer with the gas outlet of CO mixed gas Cross gas transmission pipeline to be connected, draw after the periodic off-gases outlet header in methanol synthesizer and total pneumatic switch valve A0 Four arms, are connected with the import of flare system by pressure-control valve A1 and corresponding pipeline respectively, pass through Stress control Valve A2 and corresponding pipeline be connected with the fuel gas inlet of steam pipe oven, by pressure-control valve A3 and corresponding pipeline with The fuel gas inlet of gasification installation air stove is connected, by the combustion of pressure-control valve A4 and corresponding pipeline and sulfur recovery unit Material gas import is connected;
Described acid takes off the CO of device I e2Gas outlet and N2/CO2The CO of compressor I f2Conveyance conduit is passed through in gas feed It is connected, N2/CO2Compressor I f high pressure CO2Gas outlet R1 and supertension N2/CO2Delivery pipe is passed through in surge tank I g gas feed Road is connected, described supertension N2/CO2The CO of surge tank I g2Gas outlet X1 is connected with tee pipe coupling I 4, described Tee pipe coupling I 4 is connected with pipeline branch pipe B, pipeline branch pipe C respectively, described pipeline branch pipe B and fine coal induction system I a phase Connection, described pipeline branch pipe C are connected with shell gasification furnace I b;Described supertension N2/CO2The CO of surge tank I g2Gas goes out Mouth X2 is connected with chill air compressor I h by gas transmission pipeline;Described supertension N2/CO2The CO of surge tank I g2Gas Outlet X3 is connected with High Temperature High Pressure fly-ash filter I c by gas transmission pipeline.
Described coal acetic acid plant II includes fine coal induction system II a, five rings gasification furnace II b, and carbon monoxide CO converts Device II c, de- device II d of acid, CO cryogenic separation device, middle pressure CO compressor, hydrogen psa concentration unit, acetic synthesis Device, flare system;N2/CO2Compressor II e, supertension N2/CO2Surge tank II f, chill air compressor II g and technical grade liquid Body CO2Process units I k;Described fine coal induction system II a is connected with five rings gasification furnace II b by fine coal conveyance conduit, five rings The outlet of the forming gas of gasification furnace II b is connected with the import of CO converting means II c by gas transmission pipeline, and CO change changes the outfit The gas outlet putting II c is connected by the import of gas transmission pipeline and de- device II d of acid, and described acid takes off the CO of device II d With H2The outlet of mixed gas is connected with the gas feed of CO cryogenic separation device by gas transmission pipeline, CO cryogenic separation The CO gas outlet of device is connected with middle pressure CO compressor by gas transmission pipeline, the qualified CO gas of middle pressure CO compressor Outlet Y1 is connected with the charging aperture of acetic synthesis device by gas transmission pipeline, and the periodic off-gases outlet of acetic synthesis device is logical Cross gas transmission pipeline to be connected with the charging aperture of flare system;The unqualified CO gas outlet Y2 of middle pressure CO compressor passes through one Carbonoxide CO gas transmission pipeline is connected with the charging aperture of methanol synthesizer;The hydrogen rich gas gas of CO cryogenic separation device goes out Mouth is connected with the gas feed of PSA device by gas transmission pipeline, the qualified H of PSA device2Gas outlet Z1 passes through gas Conveyance conduit is connected with the charging aperture of ethylene glycol synthesizer, the unqualified H of PSA device2Gas outlet Z2 passes through hydrogen H2Gas Body conveyance conduit is connected with the charging aperture of methanol synthesizer;
Described acid takes off the CO of device II d2Gas outlet passes through gas transmission pipeline and N2/CO2The CO of compressor II e2Gas Body import is connected, N2/CO2The high pressure CO of compressor II e2Gas outlet T1 passes through gas transmission pipeline and supertension N2/CO2Slow The import rushing tank II f is connected, described supertension N2/CO2The CO gas outlet S1 of surge tank II f is connected with tee pipe coupling II 4 Logical, described tee pipe coupling II 4 is connected with pipeline branch pipe M, pipeline branch pipe N respectively, and described pipeline branch pipe M is defeated with fine coal System II a is sent to be connected, described pipeline branch pipe N is connected with five rings gasification furnace II b by gas transmission pipeline;Described superelevation Pressure N2/CO2The CO gas outlet S2 of surge tank II f is connected with the import of chill air compressor II g by gas transmission pipeline, The outlet of chill air compressor II g is connected with the import of five rings gasification furnace by conveyance conduit;Described N2/CO2Compressor II E is provided with normal pressure CO2Gas outlet T2, described gas outlet T2 are passed through gas transmission pipeline and are given birth to industrial liquid carbon dioxide The charging aperture producing device I k is connected.
Described CO2The two ends of connection pipe network are connected with shell gasification furnace, five rings gasification furnace respectively, CO2Connection pipe network 1 It is connected with shell gasification furnace by pneumatic on-off valve I 0, be connected with five rings gasification furnace by pneumatic on-off valve II 0;Described Raw gas conveyance conduit 2 two ends are connected with shell gasification furnace I b, CO converting means II c respectively, and this raw gas conveyance conduit passes through Pneumatic on-off valve I 1 is connected with shell gasification furnace I b, is connected with CO converting means II c by pneumatic on-off valve II 1;Described Carbon monoxide CO gas transmission pipeline 3 two ends be connected with middle pressure CO compressor, methanol synthesizer respectively, opened by pneumatic Close valve I 2 to be connected with methanol synthesizer, be connected with middle pressure CO compressor by pneumatic on-off valve II 2;Described hydrogen H2 Gas transmission pipeline 4 two ends are connected with hydrogen psa concentration unit, methanol synthesizer, respectively by pneumatic on-off valve I 3 are connected with methanol synthesizer, are connected with hydrogen psa concentration unit by pneumatic on-off valve II 3.

Claims (6)

1. a kind of ammonia from coal, coal process of acetic acid reduce discharging CO2Combined unit it is characterised in that this device includes ammonia from coal Device I, coal acetic acid plant II, connect the CO of ammonia from coal device and coal acetic acid plant2Connection pipe network, and connect coal system Methanol device and the gas transmission pipeline of coal acetic acid plant, described gas transmission pipeline includes raw gas conveyance conduit, hydrogen Gas H2Gas transmission pipeline and carbon monoxide CO gas transmission pipeline.
2. ammonia from coal according to claim 1, coal process of acetic acid reduce discharging CO2Combined unit it is characterised in that institute The ammonia from coal device I stated includes fine coal induction system I a, shell gasification furnace I b, and High Temperature High Pressure fly-ash filter I c, CO convert Device I d, de- device I e of acid, methanol synthesizer, flare system, steam pipe oven, gasification installation air stove, sulfur recovery unit, N2/CO2Compressor I f, supertension N2/CO2Surge tank I g, chill air compressor I h and technical grade liquid CO2Process units I k;Institute The material outlet of fine coal induction system I a stating is connected with the material inlet of shell gasification furnace I b by conveyance conduit, shell gas The synthesis gas gas outlet changing stove I b is connected with the import of High Temperature High Pressure fly-ash filter I c by gas transmission pipeline, high temperature The gas outlet of high pressure fly ash filter I c is connected with the gas feed of CO converting means I d by gas transmission pipeline, described The gas feed of the gas outlet of CO converting means I d device I e de- with acid be connected by gas transmission pipeline, described acid The H of de- device I e2Pass through gas transmission pipeline phase with the gas outlet of CO mixed gas with the material inlet of methanol synthesizer Connection, draws four arms after the periodic off-gases outlet header in methanol synthesizer and main valve A0, pass through valve A1 and right respectively The pipeline answered is connected with the import of flare system, by the fuel gas inlet of valve A2 and corresponding pipeline and steam pipe oven Be connected, be connected with the fuel gas inlet of gasification installation air stove by valve A3 and corresponding pipeline, by valve A4 and Corresponding pipeline is connected with the fuel gas inlet of sulfur recovery unit;
Described acid takes off the CO of device I e2Gas outlet and N2/CO2The CO of compressor I f2Gas feed is passed through conveyance conduit and is connected Logical, N2/CO2Compressor I f high pressure CO2Gas outlet R1 and supertension N2/CO2Conveyance conduit phase is passed through in surge tank I g gas feed Connection, described supertension N2/CO2The CO of surge tank I g2Gas outlet X1 is connected with tee pipe coupling I 4, described threeway Pipe joint I 4 is connected with pipeline branch pipe B, pipeline branch pipe C respectively, and described pipeline branch pipe B is connected with fine coal induction system I a Logical, described pipeline branch pipe C is connected with shell gasification furnace I b;Described supertension N2/CO2The CO of surge tank I g2Gas outlet X2 is connected with chill air compressor I h by gas transmission pipeline;Described supertension N2/CO2The CO of surge tank I g2Gas goes out Mouth X3 is connected with High Temperature High Pressure fly-ash filter I c by gas transmission pipeline;Described N2/CO2Compressor I f is additionally provided with often Pressure CO2Gas outlet R2, described gas outlet R2 passes through gas transmission pipeline and industrial liquid carbon dioxide process units I The charging aperture of k is connected.
3. ammonia from coal according to claim 2, coal process of acetic acid reduce discharging CO2Combined unit it is characterised in that institute The valve A0 stating is pneumatic on-off valve, and described valve A1, A2, A3, A4 are pressure-control valve.
4. ammonia from coal according to claim 1, coal process of acetic acid reduce discharging CO2Combined unit it is characterised in that institute The coal acetic acid plant II stated includes fine coal induction system II a, five rings gasification furnace II b, carbon monoxide CO converting means II c, acid De- device II d, CO cryogenic separation device, middle pressure CO compressor, hydrogen psa concentration unit, acetic synthesis device, torch System;N2/CO2Compressor II e, supertension N2/CO2Surge tank II f, chill air compressor II g and technical grade liquid CO2Produce dress Put I k;Described fine coal induction system II a is connected with five rings gasification furnace II b by fine coal conveyance conduit, five rings gasification furnace II b's The outlet of forming gas is connected with the import of CO converting means II c by gas transmission pipeline, the gas of CO converting means II c Outlet is connected by the import of gas transmission pipeline and de- device II d of acid, and described acid takes off CO and H of device II d2Mixed gas Outlet be connected with the gas feed of CO cryogenic separation device by gas transmission pipeline, the CO gas of CO cryogenic separation device Outlet is connected with middle pressure CO compressor by gas transmission pipeline, and the qualified CO gas outlet Y1 of middle pressure CO compressor passes through gas Body conveyance conduit is connected with the charging aperture of acetic synthesis device, and air shooter is passed through in the periodic off-gases outlet of acetic synthesis device Road is connected with the charging aperture of flare system;The unqualified CO gas outlet Y2 of middle pressure CO compressor passes through carbon monoxide CO gas Conveyance conduit is connected with the charging aperture of methanol synthesizer;It is defeated that the hydrogen rich gas gas outlet of CO cryogenic separation device passes through gas Pipeline and the gas feed of hydrogen psa concentration unit is sent to be connected, the qualified H of hydrogen psa concentration unit2Gas Outlet Z1 be connected with the charging aperture of ethylene glycol synthesizer by gas transmission pipeline, pressure-changed adsorption concentrating device unqualified H2Gas outlet Z2 passes through hydrogen H2Gas transmission pipeline is connected with the charging aperture of methanol synthesizer;
Described acid takes off the CO of device II d2Gas outlet passes through gas transmission pipeline and N2/CO2The CO of compressor II e2Gas enters Mouth is connected, N2/CO2The high pressure CO of compressor II e2Gas outlet T1 passes through gas transmission pipeline and supertension N2/CO2Surge tank The import of II f is connected, described supertension N2/CO2The CO gas outlet S1 of surge tank II f is connected with tee pipe coupling II 4, Described tee pipe coupling II 4 is connected with pipeline branch pipe M, pipeline branch pipe N respectively, and described pipeline branch pipe M is conveyed with fine coal System II a is connected, and described pipeline branch pipe N is connected with five rings gasification furnace II b by gas transmission pipeline;Described supertension N2/CO2The CO gas outlet S2 of surge tank II f is connected with the import of chill air compressor II g by gas transmission pipeline, swashs The outlet of refrigerating compressor II g is connected with the import of five rings gasification furnace by conveyance conduit;Described N2/CO2Compressor II e It is additionally provided with normal pressure CO2Gas outlet T2, described gas outlet T2 passes through gas transmission pipeline and industrial liquid carbon dioxide The charging aperture of process units I k is connected.
5. ammonia from coal according to claim 1, coal process of acetic acid reduce discharging CO2Combined unit it is characterised in that institute The CO stating2The two ends of connection pipe network are connected with shell gasification furnace, five rings gasification furnace respectively, CO2Communicating pipe Netcom cross valve I 0 with Shell gasification furnace is connected, is connected with five rings gasification furnace by valve II 0;Described raw gas conveyance conduit two ends respectively with Shell gasification furnace I b, CO converting means II c connects, and this raw gas conveyance conduit is connected with shell gasification furnace I b by valve I 1 Lead to, be connected with CO converting means II c by valve II 1;Described carbon monoxide CO gas transmission pipeline two ends respectively with Pressure CO compressor, methanol synthesizer are connected, be connected with methanol synthesizer by valve I 2, by valve II 2 and in Pressure CO compressor is connected;Described hydrogen H2Gas transmission pipeline two ends respectively with hydrogen psa concentration unit, methanol Synthesizer is connected, and is connected with methanol synthesizer by valve I 3, by valve II 3 and hydrogen psa concentration dress Put and be connected.
6. ammonia from coal according to claim 5, coal process of acetic acid reduce discharging CO2Combined unit it is characterised in that institute The valve I 0, II 0, I 1, II 1, I 2, II 2, I 3, II 3 stated is pneumatic switch valve.
CN201620805248.XU 2016-07-28 2016-07-28 A kind of ammonia from coal, coal process of acetic acid reduce discharging the combined unit of CO2 Expired - Fee Related CN205999299U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111495046A (en) * 2020-04-24 2020-08-07 安徽晋煤中能化工股份有限公司 Online cleaning device of low pressure fuel gas filter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111495046A (en) * 2020-04-24 2020-08-07 安徽晋煤中能化工股份有限公司 Online cleaning device of low pressure fuel gas filter

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