CN206069789U - Prepare the experimental provision that laboratory cleans coal gas - Google Patents
Prepare the experimental provision that laboratory cleans coal gas Download PDFInfo
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- CN206069789U CN206069789U CN201620313108.0U CN201620313108U CN206069789U CN 206069789 U CN206069789 U CN 206069789U CN 201620313108 U CN201620313108 U CN 201620313108U CN 206069789 U CN206069789 U CN 206069789U
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Abstract
The experimental provision of coal gas is cleaned for preparing laboratory, it is related to the built-in block coal of tubular reactor, under the high temperature conditions, there is gasification reaction with vapor, obtain the raw gas of higher temperature, through subtractive process such as preliminary cooling, sub-cooled, deamination, desulfurization and Porous deproteinized bones, the cleaning coal gas mainly with carbon monoxide and hydrogen as component is obtained.This device ingredient mainly includes：Heating temperature control device 1, cartridge heater 2, tubular reactor 3, water vapour vacuum tank 4, steam generator 5, air cooling cleaner unit 6, cooling cycler 7, gas cooler 8, desulfurizing and purifying groove 9, deamination purification tank 10, aromatic hydrocarbons absorb groove 11, gas flow meter 12, gas holder 13.This utility model device can solve laboratory and the problems such as cleaning difficult coal gas, poor gas purification degree and unstable gas composition is prepared in situ, and this device is available for the experiment of Scientific Research in University Laboratory Coal Gasification and cleans coal gas preparing use.
Description
Technical field
This utility model is related to a kind of experimental provision that coal gas is cleaned for preparing laboratory.
Background technology
Currently as modern city mainly with natural gas as gas, natural gas main component is methane, in colleges and universities
Laboratory acquisition main component is relatively difficult for the cleaning coal gas of carbon monoxide and hydrogen, and in the past more is that colleges and universities utilize coal
The dry distilling of charcoal Experiment Coke Oven obtains coke-stove gas, the larger, gas yield that has that coke-stove gas impurity content is higher, gas composition fluctuates
Relatively fewer the problems such as.Many colleges and universities are prepared using laboratory field apparatus during experimental teaching or research practice at present
Also there are some problems in cleaning coal gas, be mainly manifested in experimental provision configuration, choice of experimental conditions and process parameter control etc.
, there is experimental provision and lack the change of architecture, poor gas purification degree, experimental implementation less stable and gas composition in aspect
Than it is larger the problems such as.
The content of the invention
The purpose of this utility model is to provide a kind of experimental provision that coal gas is cleaned for preparing laboratory.
Above-mentioned purpose is realized by following technical scheme：
1st, the experimental provision of coal gas is cleaned for preparing laboratory, its ingredient mainly includes：Heating temperature control device, cylinder
Formula heating furnace, tubular reactor, water vapour vacuum tank, steam generator, air cooling cleaner unit, gas cooler, cooling circulation
Control device, deamination purification tank, desulfurizing and purifying groove, aromatic hydrocarbons absorb groove, gas flow meter, gas holder.Described cartridge type heating
The heating-up temperature of stove is controlled by heating temperature control device, and described tubular reactor is arranged in cartridge heater and carries out coal gas
Change reaction, described steam generator provides the vapor required for Coal Gasification, and described water vapour vacuum tank is used for steady
Determine water vapour pressure and flow, described air cooling cleaner unit is used for coal gas dust removal and preliminary cooling, and described gas cooler is used
Tar removing, vapor, a small amount of dust etc. are removed and remove in coal gas depth is cold, described cooling cycler is used to cool down coal gas
Circulating coolant in cooler, the described built-in concentrated sulphuric acid of deamination purification tank are used to remove the alkaline gas impurity such as ammonia, institute
The built-in diluted alkaline of desulfurizing and purifying groove stated is used to remove the acid gas impurities such as hydrogen sulfide, and described aromatic hydrocarbons absorbs the built-in washing oil of groove and uses
In the Organic substances such as aromatic hydrocarbons are removed, described gas flow meter is measured for gas flow, and described gas holder is used to stablize coal
Throughput, component and storage.
2nd, described cartridge heater is the cartridge heater with hollow structure, and adiabatic heat-insulation structure is arranged at heating furnace top
Capping, tubular reactor is placed in cartridge heater, in the top of cartridge heater wall, middle part and the position difference of bottom three
Arranging thermocouple carries out temperature survey, carries out the upper, middle and lower difference position of precise control furnace wall by heating temperature control device
The temperature put, reaches the temperature consistency and stability occurred in tubular reactor needed for gasification reaction.
3rd, described tubular reactor is placed in cartridge heater, and block coal is placed in the porous grate of bottom in reactor
On, reactor axial centre is put equipped with temperature-measuring casing, arranges temperature element, coal seam in record coal gasification processes in differing heights
The temperature change of diverse location, under the conditions of pyroreaction, is passed through vapor by the porous grate bottom of reactor lower part, passes through
There is gasification reaction with block coal, the raw gas for constantly producing is derived by the derivation pipeline on reactor top.
4th, described steam generator is used to provide the vapor occurred needed for Coal Gasification, is surrounded by thermal insulating material in outside
The water vapour vacuum tank of material plays stable water vapour pressure and flow, it is ensured that vapor continuous-stable is input to tubular reactor
It is interior, carry out Coal Gasification reaction.
5th, described air cooling cleaner unit is used for raw gas air and cools down and raw gas dedusting, and raw gas is by air cooling cleaner unit
Portion laterally rotates into, and carries out wall-type heat exchange with Laboratory Air, and raw gas temperature is tentatively cooled down, removed into air cooling
Dust is separated with gas by the raw gas of dirt device by inertial centrifugal, and dust throws to wall, and in conical base dedusting, experiment is finished
Take out, can analyze and measure, Gas Flow is discharged by central upper portion cylinder discharge duct.
6th, described gas cooler is vertical shell-and-tube heat exchanger, and tube side walks glycol coolant, and shell side walks coal gas, coal
Gas from top to bottom with coolant reverse septate heat transfer from bottom to top, reduce rapidly gas temperature, while water in coal gas, tar and few
Amount dust is separated from coal gas, is deposited on cooler bottom, and experiment finishes taking-up, can analyze and measure.
7th, described cooling cycler can carry out cold to heated glycol coolant in gas cooler
But, it is ensured that the effect that glycol coolant is cooled down to coal gas.
8th, the described built-in concentrated sulphuric acid of deamination purification tank, coal gas airway are placed under concentrated sulphuric acid liquid level, and sulphuric acid can be with coal
The alkaline gas such as ammonia reaction in gas, reaches the purpose of the alkaline gas impurity such as ammonia in abjection coal gas, and coal gas is from concentrated sulphuric acid
Effusion, is derived by the guide pipeline on deamination purification tank top.
9th, the described built-in diluted sodium hydroxide solution of desulfurizing and purifying groove, coal gas airway are placed under liquid level of solution, hydroxide
Sodium with the reaction of the sour gas such as hydrogen sulfide in coal gas, can reach the purpose of the acid gas impurities such as hydrogen sulfide in abjection coal gas,
Coal gas is escaped from diluted sodium hydroxide solution, is derived by the guide pipeline on desulfurizing and purifying groove top.
10th, described aromatic hydrocarbons absorbs the built-in washing oil solution of groove, and coal gas airway is placed under liquid level of solution, and washing oil is dissolved in coal gas
The Organic substances such as middle aromatic hydrocarbons, reach the purpose of aromatic hydrocarbons in abjection coal gas, and coal gas is escaped from washing oil solution, absorbed on groove by aromatic hydrocarbons
The guide pipeline in portion is derived.
11st, described gas flow meter and gas holder are respectively used to gas flow metering and coal gas storage, gas holder
Also there is the effect for stablizing laboratory gas pressure, flow and gas composition.
Beneficial effect
1st, this utility model adopts the built-in block coal of tubular reactor, under the high temperature conditions, occurs to gasify with vapor
Reaction, obtains the raw gas of higher temperature, tentatively cools down through air, cryogenic coolant cooling, deamination, desulfurization and Porous deproteinized bone etc.
Subtractive process, obtains the cleaning coal gas mainly based on carbon monoxide and hydrogen, and this device is available for Scientific Research in University Laboratory coal
Gasification experiment and cleaning coal gas are prepared and are used.
2nd, during this utility model adopts the cartridge heater with accurate heating temperature control for tubular reactor, Coal Gasification is anti-
Heat should be provided, the axial centrally disposed temp measuring system in tubular reactor accurately measures different coal temperature in gasification
Change, provides experimental data reference, part water vapour for the kinetics and thermodynamics in the indoor Study on Coal charcoal gasification reaction of experiment
Built in pipeline is heated in cartridge heater, improves vapor (steam) temperature, increases gasification reaction speed, while can also avoid steam cold
Solidifying effect.
3rd, this utility model is surrounded by the water vapour vacuum tank and steam generator of insulation material using outside, it is ensured that water steams
Gas output pressure and flow, reach the vapor of supply and the stability of coal reaction.
4th, using the air cooling cleaner unit with cyclone separating structure, raw gas is by air cooling cleaner unit upper side for this utility model
Enter, air cooling cleaner unit central upper portion cylinder discharge duct is discharged, reduce raw gas temperature and separate solid particle in coal gas
Effect, conical base arrange ash exhauster.
5th, this utility model has a septate heat transfer structure using vertical shell-and-tube heat exchanger, coal gas by shell side from up to down with
By the bottom-up reverse septate heat transfer of tube side, cooling cycler is single-stage compression refrigeration system to coolant, can be to coal
In Gas Cooler, heated glycol coolant is cooled down, ethylene glycol can with closed cycle, with corrosion-free to tube wall and
The advantages of non-scaling, high gasification temperature, its cooling effect, are better than water-cooled, the coal gas of tar, water and a small amount of dust from after cooling point
Separate out and, drop in cooler bottom collection device by gravity, experiment is measured and analyzed after terminating.
6th, this utility model absorbs groove using deamination purification tank, desulfurizing and purifying groove and aromatic hydrocarbons, is utilized respectively concentrated sulphuric acid, dilute hydrogen
Sodium oxide and washing oil are removed to the impurity such as ammonia, hydrogen sulfide and aromatic hydrocarbons in coal gas, and the main component for obtaining relative clean is one
The coal gas of carbonoxide and hydrogen, is available for laboratory to use.
Description of the drawings
Accompanying drawing 1 is to realize apparatus structure schematic diagram of the present utility model.
Specific embodiment
Embodiment 1
The experimental provision of coal gas is cleaned for preparing laboratory, its ingredient mainly includes：Heating temperature control device 1, cylinder
Formula heating furnace 2, tubular reactor 3, water vapour vacuum tank 4, steam generator 5, air cooling cleaner unit 6, cooling loop control dress
Put 7, gas cooler 8, desulfurizing and purifying groove 9, deamination purification tank 10, aromatic hydrocarbons and absorb groove 11, gas flow meter 12, gas holder
13.Described tubular reactor 3 is placed in the heated cartridge heating furnace 2 controlled by heating temperature control device 1, under the high temperature conditions,
There is gasification reaction with vapor in the block coal being placed in tubular reactor 3, generate raw gas and enter empty by tubular reactor 3
Cold cleaner unit 6 is cooled down, dedusting, and preliminary cooling and the coal gas for purifying enter into gas cooler 8, and from cooling loop control dress
The coolant for putting 7 carries out adverse current wall-type heat exchange, and gas temperature declines rapidly, and coal gas is coal-tar middle oil, water and a small amount of dust are divided
From the coal gas for leaving gas cooler 8 sequentially enters deamination purification tank 10, desulfurizing and purifying groove 9 and aromatic hydrocarbons absorption groove 11, removes coal
The material such as ammonia, hydrogen sulfide and aromatic hydrocarbons in gas, after gas flow meter 12 is measured, into gas holder 13, so as to obtain reality
Test the cleaning coal gas that room main component is carbon monoxide and hydrogen.
Embodiment 2
Described in embodiment 1 for prepare laboratory clean coal gas experimental provision, described cartridge heater 2 be by plus
Hot attemperating unit 1 carries out heating temperature control and temperature survey, and described tubular reactor 3 is placed in cartridge heater 2, it is desirable to cartridge type
Heating furnace 2 requires, with consistent, to be conducted heat along 3 radial direction of tubular reactor, on cartridge heater 2 along the upper and lower heating-up temperature of barrel
Portion is stamped the top cover with insulation construction, tubular reactor 3 can be enclosed in whole cartridge heater 2.
Embodiment 3
The experimental provision that coal gas is cleaned for preparing laboratory described in embodiment 1, described tubular reactor 3 are built-in more
Pore structure fire grate, block coal are placed on porous fire grate, the vapor produced by steam generator 5, through water vapour voltage stabilizing
Pipeline between tank 4, cartridge heater 2 and tubular reactor 3, enters from 3 bottom of tubular reactor, and vapor stream is through built-in more
The fire grate of pore structure is uniformly distributed, and gasification reaction occurs with the lump coal under hot conditionss, and the raw gas for obtaining is by tubular reactor 3
Derive at top.
Embodiment 4
The experimental provision that coal gas is cleaned for preparing laboratory described in embodiment 1, in described 6 main body of air cooling cleaner unit
Portion is cylindrical shape, and bottom is conical, and central upper portion is equipped with cylinder discharge duct, and the raw gas from tubular reactor 3 is by sky
6 upper tangential of cold cleaner unit is entered, and produces inertial centrifugal effect, and dust granules are thrown to wall and separated with air-flow, the gas of purification
Body is gone out by top vent bank of tubes, at the same raw gas be as cold as it is preliminary it is cold go, dust drops down onto cone bottom, after experiment terminates, dust along wall
Discharged by the bottom of air cooling cleaner unit 6.
Embodiment 5
The experimental provision that coal gas is cleaned for preparing laboratory described in embodiment 1, described gas cooler 8 are vertical
Shell-and-tube heat exchanger, the glycol coolant of tube side flow and the reverse septate heat transfer of the coal gas of shell fluid flow, coal gas are cold rapidly
But, tar, water and a small amount of dust are separated from coal gas, and experiment is discharged by 8 bottom of gas cooler after terminating, after heat exchange
Glycol coolant is cooled down through cooling cycler 7, reaches the purpose of circulating cooling coal gas, glycol coolant
Compared with water-cooled, have the advantages that cooling effectiveness is high, corrosivity are little, the unsuitable fouling of tube wall.
Embodiment 6
The experimental provision that coal gas is cleaned for preparing laboratory described in embodiment 1, described deamination purification tank 10, desulfurization
Purification tank 9 and aromatic hydrocarbons absorb groove 11 and the impurity such as ammonia, hydrogen sulfide and aromatic hydrocarbons in coal gas can be removed, and purify in deamination respectively
Groove 10, desulfurizing and purifying groove 9 and aromatic hydrocarbons absorb, the coal gas of input by
Conduit is passed through below liquid level of solution, and chemical reaction or physical dissolution fully occur with absorbing liquid, the oxidation insoluble in absorbing liquid
The components such as carbon, hydrogen are escaped by solution, absorb 11 upper guide of groove from deamination purification tank 10, desulfurizing and purifying groove 9 and aromatic hydrocarbons respectively
Go out, reach the separation purpose of the impurity such as ammonia, hydrogen sulfide and aromatic hydrocarbons in coal gas.
Embodiment 7
The experimental provision that coal gas is cleaned for preparing laboratory described in embodiment 1, described gas flow meter 12 and coal
There is gas storage tank 13 gas measurement and coal gas storage to act on, and using the gas volume for measuring, can more accurately calculate coal
Rate of gasification, gas holder also have the effect for stablizing laboratory gas pressure, flow and gas composition.
Claims (6)
1. it is used for preparing the experimental provision that laboratory cleans coal gas, its ingredient mainly includes：Heating temperature control device, cartridge type add
Hot stove, tubular reactor, water vapour vacuum tank, steam generator, air cooling cleaner unit, gas cooler, cooling loop control
Device, deamination purification tank, desulfurizing and purifying groove, aromatic hydrocarbons absorb groove, gas flow meter and gas holder, and its experimental provision feature is such as
Under：The heating-up temperature of described cartridge heater is controlled by heating temperature control device, and described tubular reactor is arranged on cartridge type
Coal Gasification reaction is carried out in heating furnace, described steam generator provides the vapor required for Coal Gasification, described
Water vapour vacuum tank is used to stablize water vapour pressure and flow, and described air cooling cleaner unit is used for coal gas dust removal and preliminary cooling,
Described gas cooler goes and removes tar removing, vapor and a small amount of dust, described cooling circulation control for coal gas depth is cold
Device processed is used to cool down the circulating coolant in gas cooler, and the described built-in concentrated sulphuric acid of deamination purification tank is used to remove ammonia
Deng alkaline gas impurity, the described built-in diluted alkaline of desulfurizing and purifying groove is used to remove the acid gas impurities such as hydrogen sulfide, described virtue
Hydrocarbon absorbs the built-in washing oil of groove to be used to remove the Organic substances such as aromatic hydrocarbons, and described gas flow meter is measured for gas flow, described
Gas holder is used to stablize gas flow, component and storage.
2. it is according to claim 1 for prepare laboratory clean coal gas experimental provision, it is characterised in that：Pipe reaction
Device bottom is provided with the pipeline that vapor is passed through, reactor top equipped with the porous grate for supporting block coal, reactor lower part
The pipeline of coal gas discharge is installed.
3. it is according to claim 1 for prepare laboratory clean coal gas experimental provision, it is characterised in that：Pipe reaction
Inside the built-in cartridge heater equipped with heating temperature control device of device, the centrally disposed temp measuring system vertically in the tubular reactor,
Part water vapour pipeline is built in cartridge heater.
4. it is according to claim 1 for prepare laboratory clean coal gas experimental provision, it is characterised in that：Using having
The air cooling cleaner unit of bottom conical structure, raw gas are entered by air cooling cleaner unit upper side, air cooling cleaner unit central upper portion cylinder row
Feed channel is discharged, and conical base arranges ash exhauster.
5. it is according to claim 1 for prepare laboratory clean coal gas experimental provision, it is characterised in that：Described coal
Gas Cooler is the vertical shell-and-tube heat exchanger with septate heat transfer structure, and described cooling cycler is with ethylene glycol
For the single-stage compression refrigeration system of cold-producing medium closed cycle.
6. it is according to claim 1 for prepare laboratory clean coal gas experimental provision, it is characterised in that：Using deamination
Purification tank, desulfurizing and purifying groove and aromatic hydrocarbons absorb groove, are utilized respectively concentrated sulphuric acid, dilute sodium hydroxide and washing oil to ammonia, sulfuration in coal gas
Hydrogen and aromatic hydrocarbons are removed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620313108.0U CN206069789U (en) | 2016-04-07 | 2016-04-07 | Prepare the experimental provision that laboratory cleans coal gas |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620313108.0U CN206069789U (en) | 2016-04-07 | 2016-04-07 | Prepare the experimental provision that laboratory cleans coal gas |
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| CN206069789U true CN206069789U (en) | 2017-04-05 |
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| CN201620313108.0U Expired - Fee Related CN206069789U (en) | 2016-04-07 | 2016-04-07 | Prepare the experimental provision that laboratory cleans coal gas |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108913215A (en) * | 2018-08-06 | 2018-11-30 | 唐山科源环保技术装备有限公司 | Remove ammonia and the technique for carrying out innocuously transformation processing in producer gas |
| CN114350392A (en) * | 2022-01-05 | 2022-04-15 | 江西李氏烤鲜竹沥药业有限公司 | Method for extracting fresh bamboo juice by uniformly dry distilling bamboo chips |
| CN114479956A (en) * | 2020-10-27 | 2022-05-13 | 中国石油天然气集团有限公司 | Crude gas purification experiment system |
-
2016
- 2016-04-07 CN CN201620313108.0U patent/CN206069789U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108913215A (en) * | 2018-08-06 | 2018-11-30 | 唐山科源环保技术装备有限公司 | Remove ammonia and the technique for carrying out innocuously transformation processing in producer gas |
| CN114479956A (en) * | 2020-10-27 | 2022-05-13 | 中国石油天然气集团有限公司 | Crude gas purification experiment system |
| CN114479956B (en) * | 2020-10-27 | 2022-12-02 | 中国石油天然气集团有限公司 | Crude gas purification experiment system |
| CN114350392A (en) * | 2022-01-05 | 2022-04-15 | 江西李氏烤鲜竹沥药业有限公司 | Method for extracting fresh bamboo juice by uniformly dry distilling bamboo chips |
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Granted publication date: 20170405 Termination date: 20210407 |