CN107446600A - Middle low-order coal multi-production comprehensive utilization device and comprehensive utilization device - Google Patents
Middle low-order coal multi-production comprehensive utilization device and comprehensive utilization device Download PDFInfo
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- CN107446600A CN107446600A CN201710811601.4A CN201710811601A CN107446600A CN 107446600 A CN107446600 A CN 107446600A CN 201710811601 A CN201710811601 A CN 201710811601A CN 107446600 A CN107446600 A CN 107446600A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/50—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification
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- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
- C07C1/02—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon
- C07C1/04—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon from carbon monoxide with hydrogen
- C07C1/06—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon from carbon monoxide with hydrogen in the presence of organic compounds, e.g. hydrocarbons
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- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/15—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of oxides of carbon exclusively
- C07C29/151—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of oxides of carbon exclusively with hydrogen or hydrogen-containing gases
- C07C29/1516—Multisteps
- C07C29/1518—Multisteps one step being the formation of initial mixture of carbon oxides and hydrogen for synthesis
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- C07C29/15—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of oxides of carbon exclusively
- C07C29/151—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of oxides of carbon exclusively with hydrogen or hydrogen-containing gases
- C07C29/152—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of oxides of carbon exclusively with hydrogen or hydrogen-containing gases characterised by the reactor used
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
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Abstract
The invention provides a kind of middle low-order coal multi-production comprehensive utilization device and comprehensive utilization device, belongs to chemical technology field.The device includes two pyrolysis systems and two product generation systems.First pyrolysis system includes the first pyrolysis installation, and the second pyrolysis system includes the second pyrolysis installation and furnace of calcium carbide.First product generation system includes gas storage device, compression filter, purified synthesis gas device and product generating means, the first pyrolysis installation and connected with gas storage device, and the second pyrolysis installation connects with gas storage device and furnace of calcium carbide respectively.Second product generation system includes acetylene unit and acetylene downstream product process units, furnace of calcium carbide connect with acetylene unit.The comprehensive utilization device can realize the chemical products such as sub-prime classification cascade utilization, production hydrogen, natural gas, methanol and acetylene of coal.The second pyrolysis system in the said equipment includes raw material preprocessing device, so that the pyrolysis in the second pyrolysis system and calcium carbide produce.
Description
Technical field
The present invention relates to chemical technology field, and more particularly to a kind of middle low-order coal multi-production comprehensive utilization device and synthesis
Utilize equipment.
Background technology
China is a rich coal, the country of oil-poor, few gas, and consumption of coal accounts for more than the 60% of primary energy consumption figure,
Which dictates that within the quite a long time, the energy resource structure based on coal is difficult to change.In terms of explored colliery quality,
The middle low-order coal proportion in China is very big, thus rationally and low-order coal production high-quality chemical products show in efficiently utilizing
Obtain particularly important.In the last few years, the continuous development of the technology such as coal gasification, pyrolysis of coal, calcium carbide, gas purification and coal gas separation, makes
The clean and effective of middle low-order coal, which utilizes, has obtained increasing attention, while such as how middle low-order coal is that raw material production height adds
Value chemical product also result in the widely studied of related scholar.
Natural gas is a kind of cleaning, efficient energy products, and the rapid growth of China's economy and the quickening of Development of China's Urbanization are drawn
Natural Gas Demand is moved, the demand of Science in Future in China natural gas will continue to increase substantially, while consumption structure can also become
Change.Because the gas reserves in China is limited, it can not meet growing consumption demand, the annual Imported gas amount in China
Huge, external dependence degree is higher than 30%, so big natural gas breach the development of Chinese national economy will be brought it is many not
Profit influences.The most effective method for solving China's natural gas imbalance between supply and demand is multi-faceted, expansion weather so supplies by all kinds of means, actively hair
Exhibition natural gas from coal (SNG) can not only reduce the potential risk that inlet natural gas is brought to China, meet growing city
Demand, and energy security to China, energy-saving and emission-reduction etc. also have strategic importance.
Methanol is basic Organic Chemicals and solvent, is chemical products again.Its purposes in basic organic chemical industry
It is only second to ethene, propylene and benzene etc..Methanol has very important status and extremely extensive purposes in Chemical Manufacture, mainly
For manufacturing a variety of organic products such as formaldehyde, acetic acid, chloromethanes, first ammonia, dimethyl sulfate, alkene, and the weight of agricultural chemicals, medicine
Want one of raw material.The deep processed product of methanol is up to kind more than 120 at present, be widely used in chemical industry, light industry, communications and transportation, medicine,
The industries such as weaving.
Much the poor quality of middle low-order coal, ash content are high, water content is high, particle diameter is small in China, do not fit through the side of coal gasification
Formula produces coal gas.Low-order coal is not reasonably utilized in substantial amounts of, causes the waste of resource and cost.
The content of the invention
In providing a kind of middle low-order coal multi-production comprehensive utilization device, the device can pass through an object of the present invention
First pyrolysis system, the second pyrolysis system, the first product generation system and the second product generation system realize the sub-prime of coal
Cascade utilization is classified, it is in parallel to extract hydrogen by carrying out integrated treatment to dry distillation gas, fast pyrogenation gas and calcium carbide stove exhaust
Produce the chemical products such as synthetic natural gas, methanol and acetylene downstream product.
Another object of the present invention is to provide a kind of middle low-order coal Poly-generation comprehensive utilization device, the equipment passes through to
The raw material of two pyrolysis installations is pre-processed, the pyrolysis being more favorable in the second pyrolysis system and calcium carbide production.
The present invention is solved its technical problem and realized using following technical scheme：
The present invention proposes a kind of middle low-order coal multi-production comprehensive utilization device, including the first pyrolysis system, the second pyrolysis
System, the first product generation system and the second product generation system.
First pyrolysis system include for pyrolyzing coal the first pyrolysis installation, the second pyrolysis system include be used for pyrolyzing coal and
The second pyrolysis installation and furnace of calcium carbide of the mixture of lime.
First product generation system includes the gas storage device, compression filter, synthesis gas being sequentially connected through pipeline
Purifier and product generating means, the port of export of the first pyrolysis installation connect with the entrance point of gas storage device, the second heat
The port of export of solution device connects with the entrance point of gas storage device and the entrance point of furnace of calcium carbide respectively.
Second product generation system includes the acetylene unit and acetylene downstream product process units being sequentially connected, furnace of calcium carbide
The port of export connects with the entrance point of acetylene unit.
Further, in present pre-ferred embodiments, gas storage device includes first gas storage device and second
Gas storage device, the port of export of the first pyrolysis installation connect with the entrance point of first gas storage device, the second pyrolysis installation
The port of export connected with the entrance point of first gas storage device, the port of export of furnace of calcium carbide respectively with acetylene unit and second gas
The entrance point connection of storage device.
Further, in present pre-ferred embodiments, compression filter includes the first compression filter and second
Filter is compressed, the entrance point of the first compression filter connects with the port of export of first gas storage device, the second compression
The entrance point of filter connects with the port of export of second gas storage device.
Further, in present pre-ferred embodiments, purified synthesis gas device include the first purified synthesis gas device and
Second purified synthesis gas device, the entrance point of the first purified synthesis gas device and the first compression filter and the second compression are filtered
The port of export connection of device, the entrance point of the second purified synthesis gas device connect with the port of export of the second compression filter.
Further, in present pre-ferred embodiments, first compression filter and the first purified synthesis gas device it
Between be additionally provided with for adjust enter the first purified synthesis gas device in hydrogen and carbon monoxide amount converting means, second
The port of export of compression filter connects with the arrival end of the second purified synthesis gas device and the arrival end of converting means respectively.
Further, in present pre-ferred embodiments, product generating means carry hydrogen production device, without circulation methane including PSA
Makeup is put and methanol synthesizer.
The port of export of first purified synthesis gas device carries the arrival end of hydrogen production device, without circulation methanation device with PSA respectively
Arrival end connected with the arrival end of methanol synthesizer.
The port of export of second purified synthesis gas device fills with the arrival end without circulation methanation device and methanol-fueled CLC respectively
The arrival end connection put.
PSA carries the port of export of hydrogen production device respectively with the arrival end of acetylene downstream product process units and without circulation methanation
The arrival end connection of device.
The port of export of methanol synthesizer connects with without circulation methanation device.
Further, in present pre-ferred embodiments, the first pyrolysis system also includes TRT, TRT and
One pyrolysis installation is connected and generated electricity using the semicoke obtained by the first pyrolysis installation is pyrolyzed as raw material.
Further, in present pre-ferred embodiments, the first pyrolysis system also includes the first gas cleaning device, and first
The entrance point of gas cleaning device connects with the port of export of the first pyrolysis installation, the port of export of the first gas cleaning device and first
The entrance point connection of gas storage device.
Further, in present pre-ferred embodiments, the second pyrolysis system also includes the second gas cleaning device, and second
The entrance point of gas cleaning device connects with the port of export of the second pyrolysis installation and is used to purify the second pyrolysis installation pyrolysis gained
Dry distillation gas, the port of export of the second gas cleaning device connects with the entrance point of first gas storage device.
The invention also provides a kind of middle low-order coal Poly-generation comprehensive utilization device, and it includes above-mentioned middle low-order coal Poly-generation
Comprehensive utilization device, the second pyrolysis system also include raw material preprocessing device, and raw material preprocessing device is arranged at the second pyrolysis dress
The upstream end put simultaneously connects with the arrival end of the second pyrolysis installation.
The beneficial effect of middle low-order coal multi-production comprehensive utilization device and comprehensive utilization device is in the embodiment of the present invention：
System is generated by the first pyrolysis system, the second pyrolysis system, the first product and the second product generates system pair
Middle low order pyrolysis of coal, fast pyrogenation and calcium carbide production, realize the sub-prime classification cascade utilization of coal；By to destructive distillation coal
Gas, fast pyrogenation gas and calcium carbide stove exhaust carry out integrated treatment to extract hydrogen co-production synthesizing methanol, acetylene downstream product
Etc. chemical products, energy-conserving and environment-protective, the industrial structure is optimized.H in fast pyrogenation gas and dry distillation gas2And CH4Content is high, furnace of calcium carbide
CO contents are high in tail gas and CH4Content is low, and this two classes gas is respectively processed by its feature, eventually for production,
Efficiently being utilized by matter for gas is adequately achieved, energy-saving effect is obvious.
Also, middle low-order coal Poly-generation comprehensive utilization device to the raw material of the second pyrolysis installation by pre-processing, profit
Pyrolysis and calcium carbide production in the second pyrolysis system, and pyrolysis efficiency and efficiency of pcr product can be properly increased.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by embodiment it is required use it is attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is the structural representation for the middle low-order coal multi-production comprehensive utilization device that the embodiment of the present invention 1 provides；
Fig. 2 is the structural representation of the first pyrolysis system in the middle low-order coal multi-production comprehensive utilization device that embodiment 1 provides
Figure；
Fig. 3 is the structural representation of the second pyrolysis system in the middle low-order coal multi-production comprehensive utilization device that embodiment 1 provides
Figure；
Fig. 4 is the structure that the first product generates system in the middle low-order coal multi-production comprehensive utilization device that embodiment 1 provides
Schematic diagram；
The structure of the second product generation system is shown in the middle low-order coal multi-production comprehensive utilization device that Fig. 5 embodiments 1 provide
It is intended to；
The structural representation for the middle low-order coal Poly-generation comprehensive utilization device that Fig. 6 embodiment of the present invention 2 supplies.
Icon：Low-order coal multi-production comprehensive utilization device in 10-；The pyrolysis systems of 110- first；The pyrolysis installations of 111- first；
113- TRTs；The gas cleaning devices of 115- first；The pyrolysis systems of 120- second；The pyrolysis installations of 121- second；123- calcium carbides
Stove；The gas cleaning devices of 125- second；The products of 130- first generate system；131- gas storage devices；1311- first gas is stored up
Cryopreservation device；1313- second gas storage devices；133- compresses filter；1331- first compresses filter；1333- second
Compress filter；135- purified synthesis gas devices；1351- the first purified synthesis gas devices；The purified synthesis gas of 1353- second fills
Put；137- converting means；139- product generating means；1391-PSA carries hydrogen production device；1393- is without circulation methanation device；1395-
Methanol synthesizer；The products of 140- second generate system；141- acetylene units；143- acetylene downstream product process units；In 20-
Low-order coal Poly-generation comprehensive utilization device；210- raw material preprocessing devices.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.The present invention implementation being generally described and illustrated herein in the accompanying drawings
The component of example can be configured to arrange and design with a variety of.
Therefore, below the detailed description of the embodiments of the invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.It is common based on the embodiment in the present invention, this area
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belong to the model that the present invention protects
Enclose.
In the description of the invention, it is necessary to explanation, the orientation or position of the instruction such as term " on ", " under ", " interior ", " outer "
Put relation be based on orientation shown in the drawings or position relationship, or the invention product using when the orientation or position usually put
Relation is put, it is of the invention necessary with simplified description, rather than the device or element of instruction or hint meaning to be for only for ease of description
With specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term
" first ", " second " etc. are only used for distinguishing description, and it is not intended that instruction or hint relative importance.
In addition, the term such as term " vertical " is not offered as requiring part absolute upright, but can be slightly tilted.As " hung down
Directly " only refer to that its direction is more vertical with respect to for " level ", be not to represent that the structure must be completely vertical, but can
To be slightly tilted.
In the description of the invention, it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" installation ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly be connected
Connect；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can
To be the connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
It is specifically described with reference to embodiments.
Embodiment 1
A kind of middle low-order coal multi-production comprehensive utilization device 10 is present embodiments provided, refer to Fig. 1, it includes the first heat
Solution system 110, the second pyrolysis system 120, the first product generation system 130 and second product generation system 140.
Please with reference to Fig. 1 and Fig. 2, the first pyrolysis system 110 includes the first pyrolysis installation 111, low-order coal in a part
Raw material, which is passed through into the first pyrolysis installation 111, carries out fast pyrogenation, and in pyrolytic process, the first pyrolysis installation 111 has also been passed through combustion
Expect gas.Above-mentioned pyrolysis time is less than 20s, by the fast pyrogenation of short time, obtains semicoke and fast pyrogenation gas.
It is preferred that the first pyrolysis system 110 in the present embodiment can also include TRT 113, TRT 113 with
First pyrolysis installation 111 is connected and generated electricity using the semicoke obtained by the first pyrolysis installation 111 is pyrolyzed as raw material, is available for full factory
Use.
It is preferred that the first pyrolysis system in the present embodiment can also include the first gas cleaning device 115, the first coal gas
The entrance point of purifier 115 connects with the port of export of the first pyrolysis installation 111, gained after the pyrolysis of the first pyrolysis installation 111
Fast pyrogenation gas is purified into the first gas cleaning device 115, is purified fast pyrogenation gas and byproduct, above-mentioned
Byproduct includes coal tar gas and crude benzol etc..Above-mentioned byproduct can send out battery limit (BL), and purification fast pyrogenation gas is then entered by pipeline
Enter the first product generation system 130.
Please with reference to Fig. 1 and Fig. 3, the second pyrolysis system 120 includes the second pyrolysis installation 121 and furnace of calcium carbide 123.The
The port of export of two pyrolysis installations 121 connects with the entrance point of furnace of calcium carbide 123.Optionally, above-mentioned second pyrolysis installation 121 can
Think pyrolysis oven.Low-order coal raw material and lime are passed through in the second pyrolysis system 120 and are pyrolyzed jointly in a part, similarly,
In pyrolytic process, fuel gas is also passed into the second pyrolysis installation 121, dry distillation gas and hot-bulb are obtained after pyrolysis.Specifically, on
The temperature for stating hot-bulb for example can be 200-700 DEG C.The dry distillation gas of gained enters to the first product by pipeline and generates system
130, hot-bulb then enters furnace of calcium carbide 123 to produce calcium carbide, and the tail gas of furnace of calcium carbide 123 for producing gained during calcium carbide is entered by pipeline
Enter the first product generation system 130, the calcium carbide of gained then enters the second product generation system 140.
It is preferred that the second pyrolysis system 120 can also include the second gas cleaning device 125, the second gas cleaning device
125 entrance point connects with the port of export of the second pyrolysis installation 121 and is used to purify the dry of the second pyrolysis installation 121 pyrolysis gained
Coal gas is evaporated, dry distillation gas and byproduct are purified after purification, above-mentioned byproduct includes coal tar, crude benzol etc..Similarly, pass through
The byproduct of gained sends out battery limit (BL) after the purification of second gas cleaning device 125, and purification dry distillation gas then enters the first product and generated
System 130.
What deserves to be explained is the above-mentioned gas cleaning device 125 of first gas cleaning device 115 and second can be merged into together
One gas cleaning device, namely from the first pyrolysis installation 111 pyrolysis after gained fast pyrogenation gas and from second heat
After the dry distillation gas of gained can merge after solution device 121 is pyrolyzed, then pass through same gas cleaning device and carry out purified treatment,
To be purified fast pyrogenation gas and purification dry distillation gas.
Please with reference to Fig. 1 and Fig. 4, the first product in the present embodiment generation system 130 is mainly used for from the
The purification fast pyrogenation gas of one pyrolysis system 110 and purification dry distillation gas and furnace of calcium carbide from the second pyrolysis system 120
123 tail gas carry out deep purifying and processing, to produce synthetic natural gas (SNG) and methanol product while hydrogen is extracted.
Specifically, above-mentioned first product generation system 130 can for example include the gas storage dress being sequentially connected through pipeline
Put 131, compression filter 133, purified synthesis gas device 135 and product generating means 139.First pyrolysis installation 111 goes out
Mouthful end connects with the entrance point of gas storage device 131, the port of export of the second pyrolysis installation 121 respectively with gas storage device
The entrance point connection of 131 entrance point and furnace of calcium carbide 123.
What deserves to be explained is when the first pyrolysis system 110 contains the first gas cleaning device 115, the first gas purification
The port of export of device 115 connects with the entrance point of gas storage device 131.When the second pyrolysis system 120 is net containing the second coal gas
When makeup puts 125, the port of export of the second gas cleaning device 125 connects with the entrance point of gas storage device 131.
It is preferred that above-mentioned gas storage device 131 includes first gas storage device 1311 and second gas storage device
1313。
The port of export of first pyrolysis installation 111 connects with the entrance point of first gas storage device 1311, when the first pyrolysis
When system 110 contains the first gas cleaning device 115, then stored up for the port of export and first gas of the first gas cleaning device 115
The entrance point connection of cryopreservation device 1311, for collection and purification fast pyrogenation gas.In addition, the port of export of the second pyrolysis installation 121
Connected with gas storage device 131, be then the second coal gas when the second pyrolysis system 120 contains the second gas cleaning device 125
The port of export of purifier 125 connects with the entrance point of first gas storage device 1311, and is used for collection and purification dry distillation gas.
The port of export of the entrance point of second gas storage device 1313 then with furnace of calcium carbide 123 connects, for collecting by calcium carbide
Stove 123 produces the caused tail gas of furnace of calcium carbide 123 during calcium carbide.
Further, compressing filter 133 includes the first compression compression filter of filter 1331 and second
1333.The entrance point of first compression filter 1331 connects with the port of export of first gas storage device 1311, the second compression
The entrance point of filter 1333 connects with the port of export of second gas storage device 1313.Purify fast pyrogenation gas and purification
Dry distillation gas is passed through to the first compression filter 1331 after the buffering of first gas storage device 1311, is compressed to pressure not
Less than output after 2MPa to purified synthesis gas device 135.Similarly, the tail gas of furnace of calcium carbide 123 is through second gas storage device 1313
After buffering, it is passed through to the second compression filter 1333, is compressed to pressure not less than output after 2MPa to purified synthesis gas device
135。
Further, purified synthesis gas device 135 includes the first purified synthesis gas device 1351 and the second purified synthesis gas
Device 1353.The entrance point of first purified synthesis gas device 1351 and the first compression compression filtering dress of filter 1331 and second
Put 1333 port of export connection, the outlet of the entrance point of the second purified synthesis gas device 1353 and the second compression filter 1333
End connection, namely the port of export of the second compression filter 1333 have been divided into two pipelines, and a pipeline and the first synthesis gas are net
1351 connections are put in makeup, and another pipeline connects with the second purified synthesis gas device 1353.After compressing the compression of filter 133
Material respectively obtains the first purified gas after the first purified synthesis gas device 1351 and the second purified synthesis gas device 1353 wash down
Body and the second purification gas.
Further, it is additionally provided with conversion between the first compression purified synthesis gas device 1351 of filter 1331 and first
Device 137.The converting means 137 is used to adjust the hydrogen and carbon monoxide into the first purified synthesis gas device 1351
Amount, to meet production requirement.Now, second compression filter 1333 the port of export possessed by two pipelines then respectively with change
The arrival end of the arrival end of changing device 137 and the second purified synthesis gas device 1353 connects.
Further, product generating means 139 carry hydrogen production device 1391, without circulation methane makeup including PSA in the present embodiment
Put 1393 and methanol synthesizer 1395.
The port of export of first purified synthesis gas device 1351 carries the arrival end of hydrogen production device 1391, without circulation first with PSA respectively
The arrival end of alkylation unit 1393 connects with the arrival end of methanol synthesizer 1395.Namely the first purified synthesis gas device 1351
The port of export there are three pipelines, the first purification gas, which is divided into three parts and each led into through three pipelines to PSA, carries hydrogen production device
1391st, without circulation methanation device 1393 and methanol synthesizer 1395.
The port of export of second purified synthesis gas device 1353 respectively with without circulation methanation device 1393 arrival end and first
The arrival end connection of alcohol synthesizer 1395.Namely second the port of export of purified synthesis gas device 1353 there are two pipelines,
Two purification gas are divided into two parts and each led into through two pipelines to without circulation methanation device 1393 and methanol synthesizer
1395。
The port of export that PSA carries hydrogen production device 1391 connects with the arrival end without circulation methanation device 1393.PSA carries hydrogen production device
1391 pairs of purification gas of part first carry out proposing hydrogen operation, obtain hydrogen and tail gas, wherein, tail gas is passed through to nothing by pipeline and followed
Ring methanation device 1393.
The port of export of methanol synthesizer 1395 connects with the entrance point without circulation methanation device 1393.Methanol-fueled CLC fills
1395 are put using the purification gas of part first and the purification gas of part second as Material synthesis methanol and exports periodic off-gases.Wherein, first
As output of products battery limit (BL), periodic off-gases are then passed through without circulation methanation device 1393 alcohol.
Used without circulation methanation device 1393 without circulation methanation process technology, with rich H2Gas and rich CO gas are raw material system
Take synthetic natural gas (SNG) product and export battery limit (BL), wherein rich H2Gas carries hydrogen production device from the purification gas of part first, PSA
1391 tail gas and the periodic off-gases of methanol synthesizer 1395, rich CO gas derive from the purification gas of part second.
Please with reference to Fig. 1 and Fig. 5, the second product generation system 140 in the present embodiment can for example include connecting successively
The acetylene unit 141 and acetylene downstream product process units 143 connect.The port of export of furnace of calcium carbide 123 and the import of acetylene unit 141
End connection, namely the calcium carbide of 123 outputs of furnace of calcium carbide obtain acetylene through the processing of acetylene unit 141, are then passed through acetylene downstream again
Product production device 143.In addition, the arrival end of acetylene downstream product process units 143 also proposes the outlet of hydrogen production device 1391 with PSA
End connection, PSA carry H caused by hydrogen production device 13912It is passed through by pipeline into acetylene downstream product process units 143, and and second
Alkynes reacts generation acetylene downstream product jointly, exports battery limit (BL).
From the above, the middle low-order coal multi-production comprehensive utilization device 10 that the present embodiment provides, centering low-order coal heat is passed through
Solution, fast pyrogenation, calcium carbide production and generating realize the sub-prime classification cascade utilization of coal, by dry distillation gas, fast speed heat
Vent one's spleen and calcium carbide stove exhaust carries out integrated treatment to extract hydrogen co-production synthetic natural gas, methanol, acetylene downstream product etc.
Chemical products, energy-conserving and environment-protective, optimize the industrial structure.H in fast pyrogenation gas and dry distillation gas2And CH4Content is high, furnace of calcium carbide tail
CO contents are high in gas and CH4Content is low, and this two classes gas is respectively processed by its feature, hydrogen, methanol are carried eventually for PAS
Production and synthetic natural gas production, adequately achieve efficiently being utilized by matter for gas, energy-saving effect is obvious.It is in addition, of the invention
Using advanced without circulation methanation process technology, with rich H2Gas and rich CO gas are waste synthetic natural gas (SNG) product,
Wherein, rich H2Gas derives from CH4The high PSA of content carries hydrogen tail gas, CH4Content high methanol-fueled CLC periodic off-gases and H2And CH4Contain
The first higher purification gas of amount, rich CO gas take full advantage of gas in itself from the second high purification gas of CO contents
The characteristics of, the utilization rate of available gas is improved, significantly reduces investment and energy consumption.
Embodiment 2
Fig. 6 is refer to, present embodiments provides a kind of middle low-order coal Poly-generation comprehensive utilization device 20, it includes embodiment
Middle low-order coal multi-production comprehensive utilization device 10 in 1.Wherein, the second pyrolysis system 120 also includes raw material preprocessing device
210, raw material preprocessing device 210 be arranged at the upstream end of the second pyrolysis installation 121 and with the arrival end of the second pyrolysis installation 121
Connection.
Middle low-order coal and lime into the second pyrolysis system 120 are first handled through raw material preprocessing device 210, are pressed into cold
Ball, the second pyrolysis installation 121 is then passed through again and is pyrolyzed, obtains dry distillation gas and hot-bulb.Through pretreatment of raw material, beneficial to second
Pyrolysis and calcium carbide production in pyrolysis system 120, and pyrolysis efficiency and efficiency of pcr product can be properly increased.
In summary, middle low-order coal multi-production comprehensive utilization device provided by the invention can by the first pyrolysis system,
Second pyrolysis system, the first product generation system and the second product generation system realize the sub-prime classification cascade utilization of coal,
By to dry distillation gas, fast pyrogenation gas and calcium carbide stove exhaust carry out integrated treatment with extract hydrogen co-production synthetic natural gas,
The chemical products such as methanol and acetylene downstream product.Middle low-order coal Poly-generation comprehensive utilization device passes through to entering the second pyrolysis system
Raw material pre-processed, produced beneficial to the pyrolysis in the second pyrolysis system and calcium carbide.
Above example is part of the embodiment of the present invention, rather than whole embodiments.Embodiments of the invention it is detailed
Thin description is not intended to limit the scope of claimed invention, but is merely representative of the selected embodiment of the present invention.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Claims (10)
1. a kind of middle low-order coal multi-production comprehensive utilization device, it is characterised in that including the first pyrolysis system, the second pyrolysis system
System, the first product generation system and the second product generation system；
First pyrolysis system includes the first pyrolysis installation for pyrolyzing coal, and second pyrolysis system includes being used to be pyrolyzed
The second pyrolysis installation and furnace of calcium carbide of the mixture of coal and lime；
The first product generation system includes the gas storage device, compression filter, synthesis gas being sequentially connected through pipeline
Purifier and product generating means, the port of export of first pyrolysis installation connect with the entrance point of the gas storage device
It is logical, the port of export import with the entrance point and the furnace of calcium carbide of the gas storage device respectively of second pyrolysis installation
End connection；
The second product generation system includes the acetylene unit and acetylene downstream product process units being sequentially connected, the calcium carbide
The port of export of stove connects with the entrance point of the acetylene unit.
2. middle low-order coal multi-production comprehensive utilization device according to claim 1, it is characterised in that the gas storage dress
Put including first gas storage device and second gas storage device, the port of export of first pyrolysis installation and first gas
The entrance point connection of body storage device, the entrance point of the port of export of second pyrolysis installation and the first gas storage device
Connection, the entrance point of the port of export of the furnace of calcium carbide respectively with the acetylene unit and the second gas storage device connect.
3. middle low-order coal multi-production comprehensive utilization device according to claim 2, it is characterised in that the compression filtering dress
Put including the first compression filter and the second compression filter, the entrance point and described the of the first compression filter
The port of export connection of one gas storage device, the entrance point and the second gas storage device of the second compression filter
The port of export connection.
4. middle low-order coal multi-production comprehensive utilization device according to claim 3, it is characterised in that the purified synthesis gas
Device includes the first purified synthesis gas device and the second purified synthesis gas device, the entrance point of the first purified synthesis gas device
Connected with the port of export of the described first compression filter and the second compression filter, the second purified synthesis gas dress
The entrance point put connects with the port of export of the described second compression filter.
5. middle low-order coal multi-production comprehensive utilization device according to claim 4, it is characterised in that described first is compressed
It is additionally provided between filter device and the first purified synthesis gas device and enters the first purified synthesis gas device for adjusting
In hydrogen and carbon monoxide amount converting means, it is described second compression filter the port of export respectively with described second close
Into the arrival end connection of the arrival end and the converting means of air purifying apparatus.
6. middle low-order coal multi-production comprehensive utilization device according to claim 4, it is characterised in that the product generation dress
Put and carry hydrogen production device, without circulation methanation device and methanol synthesizer including PSA；
The port of export of the first purified synthesis gas device carried respectively with the PSA hydrogen production device arrival end, it is described without circulation first
The arrival end of alkylation unit connects with the arrival end of the methanol synthesizer；
The port of export of the second purified synthesis gas device is respectively with described without the arrival end for circulating methanation device and the first
The arrival end connection of alcohol synthesizer；
The port of export that the PSA carries hydrogen production device follows with the arrival end of the acetylene downstream product process units and the nothing respectively
The arrival end connection of ring methanation device；
The port of export of the methanol synthesizer connects with described without circulation methanation device.
7. middle low-order coal multi-production comprehensive utilization device according to claim 1, it is characterised in that the first pyrolysis system
System also includes TRT, and the TRT connects with first pyrolysis installation and is pyrolyzed institute with first pyrolysis installation
The semicoke obtained is generated electricity for raw material.
8. middle low-order coal multi-production comprehensive utilization device according to claim 2, it is characterised in that the first pyrolysis system
System also includes the first gas cleaning device, the outlet of the entrance point of first gas cleaning device and first pyrolysis installation
End connection, the port of export of first gas cleaning device connect with the entrance point of the first gas storage device.
9. middle low-order coal multi-production comprehensive utilization device according to claim 2, it is characterised in that the second pyrolysis system
System also includes the second gas cleaning device, the outlet of the entrance point of second gas cleaning device and second pyrolysis installation
End connects and for purifying the dry distillation gas obtained by the second pyrolysis installation pyrolysis, the outlet of second gas cleaning device
End connects with the entrance point of the first gas storage device.
10. a kind of middle low-order coal Poly-generation comprehensive utilization device, it is characterised in that including as described in claim any one of 1-9
Middle low-order coal multi-production comprehensive utilization device, second pyrolysis system also includes raw material preprocessing device, and the raw material is pre-
Processing unit is arranged at the upstream end of second pyrolysis installation and connected with the arrival end of second pyrolysis installation.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108442982A (en) * | 2018-04-25 | 2018-08-24 | 华北电力大学 | Coal-based methanol synthesis and the power generating simultaneously system of integrated solar |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108442982A (en) * | 2018-04-25 | 2018-08-24 | 华北电力大学 | Coal-based methanol synthesis and the power generating simultaneously system of integrated solar |
| CN108442982B (en) * | 2018-04-25 | 2023-08-29 | 华北电力大学 | Solar integrated coal-based methanol synthesis and power generation co-production system |
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