CN107051336A - The system and method for Chemical Manufacture are carried out using geothermal energy - Google Patents
The system and method for Chemical Manufacture are carried out using geothermal energy Download PDFInfo
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- CN107051336A CN107051336A CN201710440437.0A CN201710440437A CN107051336A CN 107051336 A CN107051336 A CN 107051336A CN 201710440437 A CN201710440437 A CN 201710440437A CN 107051336 A CN107051336 A CN 107051336A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
- B01J8/0278—Feeding reactive fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
- B01J8/0285—Heating or cooling the reactor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T10/00—Geothermal collectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00796—Details of the reactor or of the particulate material
- B01J2208/00946—Features relating to the reactants or products
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention discloses a kind of system and method that Chemical Manufacture is carried out using geothermal energy, it is related to geothermal energy utilization and chemical production field.The present invention structure be：Outside CO2 sources of the gas, CO2 tanks, CO2 injection pumps, reinjection well, heat exchange Fracture Networks, producing well and clarifier are sequentially communicated, and obtain the CO2 with high heat energy and purification；1st tunnel, clarifier and the connection of the 1st reactor, are loaded with catalyst, its input port is the import of the 1st reaction raw materials, its delivery outlet is the outlet of the 1st reactor product, realizes the 1st Chemical Manufacture in the 1st reactor；2nd tunnel, clarifier, heat exchanger and CO2 tanks are sequentially communicated, and realize the circulation of heat energy.The present invention makes full use of geothermal energy in Chemical Manufacture, not only realizes the reduction of production cost, also greatly realizes the purpose of environmental protection.
Description
Technical field
Geothermal energy is utilized to carry out Chemical Manufacture the present invention relates to geothermal energy utilization and chemical production field, more particularly to one kind
System and method；Specifically, the present invention is to utilize CO2It is used as the heat transfer medium of geothermal exploitation, the high temperature CO of generation2Make
For the raw material or heating medium in Chemical Manufacture.
Background technology
Geothermal energy is a kind of green, reproducible energy；Geothermal energy resources are with being divided into natural thermal water resource and high heat rock mass
Thermal resource（Also referred to as hot dry rock）.There is extremely abundant hot dry rock resource in China, and many places have superior exploit condition, such as
The areas such as Tibet Yangbajing area, Tengchong Area, Yunnan, Hainan North Hainan Island, Taiwan, the southeastern coastal areas and Tian Chi Lake of Mountain Baitou.
Geothermal energy is usually used in generating electricity, but low temperature geothermal energy（Generally below 150 DEG C）Heat utilization rate it is smaller, generating effect is poor；If
The portion of energy can be preferably utilized with very big economical and environmentally friendly value.
There are many chemical reactions to need to carry out under the high temperature conditions in Chemical Manufacture；Or for the endothermic reaction, it is necessary to which outside is carried
For substantial amounts of heat.These endothermic reactions or pyroreaction condition need to consume amount of heat, nowadays sharp in most Chemical Manufacture
Vapours heat supply is used, vapours is mainly derived from thermoelectricity unit or boiler room.This kind of heat-supplying mode consumes substantial amounts of fossil combustion
Material, had both added Chemical Manufacture cost, the discharge that can increase carbon dioxide again is polluted to environment.
If geothermal energy utilization got up in Chemical Manufacture, Chemical Manufacture cost can be greatly reduced and avoid environment dirty
Dye problem.In dry-hot-rock geothermal development of resources, CO2There is cleaning, environmental protection and low power consuming as heat transfer medium；CO2Also may be used
As the raw materials for production of some chemical products, such as methane, methanol, carbon monoxide, alcohol ester and ether lipid, these chemical reactions are needed
Want hot environment or reacted for high temperature endothermic.Therefore by the pure high temperature CO of geothermal energy development output2As needed for Chemical Manufacture
Raw material, can reduce or remove thermoelectricity unit from or boiler room heat supply, can so greatly reduce the energy consumption and cost of Chemical Manufacture,
Decrease CO2Discharge.
The content of the invention
It is an object of the invention to provide a kind of system and method that Chemical Manufacture is carried out using geothermal energy, with using
Cost is low, efficiency high, cleaning and can large-scale use the advantages of.
The present invention is achieved by the following technical solutions：
First, the system that Chemical Manufacture is carried out using geothermal energy
In earth's surface, CO is provided with2Tank, CO2Injection pump, outside CO2Source of the gas, clarifier, heat exchanger, the 1st reactor, the 2nd reaction
Kettle and catalyst；
In the earth formation, reinjection well, producing well and heat exchange Fracture Networks are provided with；
Outside CO2Source of the gas, CO2Tank, CO2Injection pump, reinjection well, heat exchange Fracture Networks, producing well and clarifier are sequentially communicated, and are obtained
To the CO with high heat energy and purification2；
1st tunnel, clarifier and the connection of the 1st reactor, catalyst 8 is loaded with the 1st reactor, and its input port is the 1st reaction
The import of raw material, its delivery outlet is the outlet of the 1st reactor product, realizes the 1st Chemical Manufacture；
2nd tunnel, clarifier, heat exchanger and CO2Tank is sequentially communicated, and realizes the circulation of heat energy；The 2nd reaction is provided with heat exchanger
Kettle, catalyst is loaded with the 2nd reactor, and its input port is the import of the 2nd reaction raw materials, and its delivery outlet is the 2nd reaction production
The outlet of product, realizes the 2nd Chemical Manufacture.
2nd, the method that Chemical Manufacture is carried out using geothermal energy
1. by CO2Inject underground -201；
2. CO is made2Underground heat exchange -202；
3. high temperature CO is obtained2-203；
4. it is divided into the 1st, 2 tunnels
1st tunnel：
A, the CO in the 1st reactor2Participate in chemical reaction -204；
B, obtain the 1st chemical products；
2nd tunnel：
A, to the 2nd reactor heat supply -205；
B, make CO2Circulation is recycled into step 2. -207.
The present invention has advantages below and beneficial effect：
1. geothermal energy can be made full use of, the power consumption cost in Chemical Manufacture is significantly reduced；
2. the use of fossil fuel, and CO are not only reduced2Chemical reaction is participated in, carbon emission reduction target can be realized；
③CO2In underground heat exchange process, there is part CO2It can be reacted with rock and solidify and realize CO2The target of geological storage；
4. CO is used2As heat transfer medium or reaction raw materials, it can make full use of and CO is produced in Chemical Manufacture2Byproduct, not only
The added value of Production in Chemical Plant is improved, and realizes environmental protection；
In a word, the present invention makes full use of geothermal energy in Chemical Manufacture, not only realizes the reduction of production cost, also greatly
Realize the purpose of environmental protection.
Brief description of the drawings
Fig. 1 is the block diagram of the system；
Fig. 2 is the workflow diagram of this method.
In figure：
0-hot dry rock；
1—CO2Tank；
2—CO2Injection pump；
3-outside CO2Source of the gas；
4-clarifier；
5-heat exchanger；
6-the 1 reactor；
7-the 2 reactor；
8-catalyst.
A-reinjection well；
B-producing well；
C-heat exchange Fracture Networks；
The industrial chemicals of D1-the 1st, the industrial chemicals of D2-the 2nd；
The chemical products of E1-the 1st, the chemical products of E2-the 2nd.
Embodiment
Describe in detail with reference to the accompanying drawings and examples：
First, system
1st, it is overall
In earth's surface, CO is provided with2Tank 1, CO2Injection pump 2, outside CO2Source of the gas 3, clarifier 4, heat exchanger 5, the 1st chemical industry kettle 6,
2nd chemical industry kettle 7 and catalyst 8；
In the earth formation, reinjection well A, producing well B and heat exchange Fracture Networks C are provided with；
Outside CO2Source of the gas 3, CO2Tank 1, CO2Injection pump 2, reinjection well A, heat exchange Fracture Networks C, producing well B and clarifier 4 are successively
Connection, obtains the CO with high heat energy and purification2；
1st tunnel, clarifier 4 is connected with the 1st chemical industry kettle 6, and catalyst 8 is loaded with the 1st chemical industry kettle 6, and its input port is the 1st change
Work raw material D1 import, its delivery outlet is the 1st chemical products E1 outlet, realizes the 1st Chemical Manufacture；
2nd tunnel, clarifier 4, heat exchanger 5 and CO2Tank 1 is sequentially communicated, and realizes the circulation of heat energy；The 2nd is provided with heat exchanger 5
Chemical industry kettle 7, catalyst 8 is loaded with the 2nd chemical industry kettle 7, and its input port is the 2nd industrial chemicals D2 import, and its delivery outlet is
2nd chemical products E2 outlet, realizes the 2nd Chemical Manufacture.
2nd, functional part（Structure and its function）
0）Hot dry rock 0
Hot dry rock 0 is the heat energy reservoir of underground, is used as the source of geothermal energy.
01）CO2Tank 1
CO2Tank 1 is large-scale high voltage bearing CO2Temporary storage facility, its function is temporary transient storage CO2 and stable CO2Pressure.
02）CO2Injection pump 2
CO2Injection pump 2 for it is large-scale can be by CO2The equipment of supercharging injection underground.
03）Outside CO2Source of the gas 3
Outside CO2Source of the gas 3 provides CO for system2Direct source, can be transport CO2Tank car or pipeline；
Its function is to provide and feed CO for system2。
04）Clarifier 4
Clarifier 4 is a kind of Large Efficient gas cleaning plant, can be by high temperature CO2The steam and solid impurity being mingled with are removed, most
Dried eventually, pure and high temperature CO2, can be used as heat transfer medium or reaction raw materials.
05）Heat exchanger 5
Heat exchanger 5 is that one kind can be by high temperature CO2Device of the heat transfer to reactor.
06）1st reactor 6
Reactor includes the 1st, 2 reactors 6,7, is chemical reaction container.
The functions such as technologic heating, cooling are realized, high temperature CO is used as2With the reacting environment of other raw materials or needing heating
Chemical reaction equipment.
07）2nd reactor 7
2nd reactor 7 and the 1st reactor 6 are identical.
08）Catalyst 8
Catalyst 8 is the specific catalyst needed for a certain chemical reaction.
09）Reinjection well A
Reinjection well A is for injecting low temperature CO2Deep layer well.
10）Producing well B
Producing well B is for high temperature CO2The deep layer well of output.
11）Exchange heat Fracture Networks C
Heat exchange Fracture Networks C is produced by artificial fracturing method, is used as CO2（Or other media）With the heat transfer space of hot dry rock 0, incite somebody to action
The self heat of hot dry rock 0 passes to CO2。
12）1st industrial chemicals D1, the 2nd industrial chemicals D2
1st industrial chemicals D1, the 2nd industrial chemicals D2 is the industrial chemicals needed for a certain chemical reaction.
13）1st chemical products E1, the 2nd chemical products E2
1st chemical products E1, the 2nd chemical products E2 are the major product of a certain chemical reaction.
3rd, operation principle
There is the resource area of hot dry rock 0 to arrange and construction drilling well that drilling well enters the certain distance of hot dry rock 0, using artificial in underground
Fracturing process manufacture heat exchange Fracture Networks C；Then select a bite drilling well as reinjection well A, CO is injected from ground2, another mouthful of drilling well
, can output high temperature CO as producing well B2, then by clarifier 4, obtain pure high temperature CO2；High temperature CO2It can be used as chemical industry
The raw material of production, into the 1st reactor 6, occurs chemical reaction with its 1st reaction raw materials D1 through the effect of catalyst 8 and finally gives
1st chemical products, such as methanol, methane, CO；High temperature CO2Also the heat exchanger 5 of the 2nd reactor 7 as heating medium, can be flowed through,
The 2nd reactor 7 is transferred heat to, most afterwards through CO2Tank 1 is by CO2Injection pump 2 re-injects reinjection well A.
2nd, method
Such as Fig. 2, this method comprises the following steps：
1. by CO2Inject underground -201；
2. CO is made2Underground heat exchange -202；
3. high temperature CO is obtained2-203；
4. it is divided into the 1st, 2 tunnels
1st tunnel：
A, in the 1st the 1st reactor by CO2Participate in chemical reaction -204；
B, obtain the 1st chemical products；
2nd tunnel：
A, to the 2nd reactor heat supply -205；
B, make CO2Circulation is recycled into step 2. -207.
Specific embodiment can be divided into three steps：The structure of geothermal system, the generation of high temperature CO 2 and high temperature CO 2 participate in reaction or
Heat supply.
First, the structure of geothermal system
Such as Fig. 1, foregoing.
1st, at least 2 mouthfuls drilling wells of construction of selected underground heat target area, it is used as producing well B as reinjection well A, another mouth flatly；
2nd, artificial fracturing is carried out to hot dry rock 0, produces the heat exchange Fracture Networks C for heat exchange, make heat transferring medium by reinjection well A
Injection, flows through heat exchange Fracture Networks C and carries out heat exchange with hot dry rock 0, most afterwards through producing well B output high temperature COs2；
3rd, CO is installed on ground2Tank 1, injection pump 2 and clarifier 4, and by outside CO2Source of the gas 3 accesses CO2Tank 1.
2nd, high temperature CO2Generation
CO2Through the injection reinjection well of injection pump 1 A, CO2Occur heat exchange, CO with hot dry rock 0 in heat exchange Fracture Networks C2Itself temperature
Degree rise, the high temperature CO after being heated2Extrude, contained by producing well B under underground heat exchange Fracture Networks C high pressure effect
There is the impure high temperature CO of steam or impurity2, then by clarifier 4, you can obtain pure high temperature CO2。
3rd, high temperature CO2Participate in reaction or heat supply
Pure high temperature CO2The raw material of Chemical Manufacture is can be used as, the heating medium that can be also heated as Chemical Manufacture.
1st, when the raw material as Chemical Manufacture, its specific implementation step is as follows：
1）Pure high temperature CO2It is injected into the 1st reactor 6；
2）High temperature CO2The 1st reactor 6 is heated to predetermined temperature by itself high temperature；
3）1st chemical raw material D1 is injected into the 1st reactor 6；
4）CO2Chemically reacted with the 1st industrial chemicals D1 through the effect of catalyst 8, obtain the 1st chemical products.
2nd, when as heating medium, its specific implementation step is as follows：
1）High temperature CO2Heat exchanger 5 is injected, i.e., self-ability is passed into heat exchanger 5；
2）The temperature of heat exchanger 5 is raised, and the 2nd reactor 7 can be heated into predetermined temperature；
3）Flow through the CO of heat exchanger 52Own temperature declines, and CO is flowed back to again2The underground to be re-injected of tank 1 carries out thermal cycle；
4）Outside CO2The CO of the replenishment cycles of source of the gas 3 loss2；
5）CO2CO in tank 12Reinjection well A is re-injected, thermal cycle again is carried out.
Claims (2)
1. a kind of system that Chemical Manufacture is carried out using geothermal energy, it is characterised in that：
In earth's surface, CO is provided with2Tank（1）、CO2Injection pump（2）, outside CO2Source of the gas（3）, clarifier（4）, heat exchanger（5）,
1 chemical industry kettle（6）, the 2nd chemical industry kettle（7）And catalyst（8）；
In the earth formation, it is provided with reinjection well（A、）Producing well（B）With heat exchange Fracture Networks（C）；
Outside CO2Source of the gas（3）、CO2Tank（1）、CO2Injection pump（2）, reinjection well（A）, heat exchange Fracture Networks（C）, producing well（B）With
Clarifier（4）It is sequentially communicated, obtains the CO with high heat energy and purification2；
1st tunnel, clarifier（4）With the 1st chemical industry kettle（6）Connection, in the 1st chemical industry kettle（6）In be loaded with catalyst（8）, it is inputted
Mouth is the 1st industrial chemicals（D1）Import, its delivery outlet is the 1st chemical products（E1）Outlet, realize the 1st Chemical Manufacture；
2nd tunnel, clarifier（4）, heat exchanger（5）And CO2Tank（1）It is sequentially communicated, realizes the circulation of heat energy；In heat exchanger（5）Inside set
It is equipped with the 2nd chemical industry kettle（7）, in the 2nd chemical industry kettle（7）Inside it is loaded with catalyst（8）, its input port is the 2nd industrial chemicals（D2）'s
Import, its delivery outlet is the 2nd chemical products（E2）Outlet, realize the 2nd Chemical Manufacture.
2. the method that the system as described in claim 1 carries out Chemical Manufacture, it is characterised in that：
1. CO2 is injected into underground（201）；
2. CO2 underground heat exchanges are made（202）；
3. high temperature CO 2 is obtained（203）；
4. it is divided into the 1st, 2 tunnels
1st tunnel：
A, in the 1st the 1st reactor by CO2 participate in chemically react（204）；
B, obtain the 1st chemical products；
2nd tunnel：
A, to the 2nd reactor heat supply（205）；
B, make CO2 circulation be recycled into step 2.（207）.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710440437.0A CN107051336A (en) | 2017-06-13 | 2017-06-13 | The system and method for Chemical Manufacture are carried out using geothermal energy |
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| CN201710440437.0A CN107051336A (en) | 2017-06-13 | 2017-06-13 | The system and method for Chemical Manufacture are carried out using geothermal energy |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112121742A (en) * | 2020-09-17 | 2020-12-25 | 武汉船舶职业技术学院 | Device for chemical production by using geothermal energy |
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| CN104675360A (en) * | 2014-12-22 | 2015-06-03 | 中国石油大学(华东) | Leakage-proofing process for exploiting hot-dry-rock geothermal resource by injecting CO2 (supercritical carbon dioxide) |
| CN104863654A (en) * | 2015-04-21 | 2015-08-26 | 中国石油大学(华东) | Device and method for exploitation of terrestrial heat through supercritical carbon dioxide |
| CN105805969A (en) * | 2016-04-14 | 2016-07-27 | 中国石油大学(华东) | Process for injecting terrestrial heat of CO2 mining waste high-temperature gas reservoir |
| CN105863568A (en) * | 2016-04-14 | 2016-08-17 | 中国石油大学(华东) | Method for exploring dry-hot-rock geotherm through underground heat siphon self-circulation |
| CN106380374A (en) * | 2016-08-23 | 2017-02-08 | 凌庭生 | A method of utilizing carbon dioxide in carbonate calcinating flue gas to prepare methanol |
| CN207357118U (en) * | 2017-06-13 | 2018-05-15 | 中国科学院武汉岩土力学研究所 | A kind of device that Chemical Manufacture is carried out using geothermal energy |
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2017
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202719800U (en) * | 2012-06-06 | 2013-02-06 | 河北雷奥新能源科技股份有限公司 | Superconducting type underground heat energy direct extraction system |
| CN104675360A (en) * | 2014-12-22 | 2015-06-03 | 中国石油大学(华东) | Leakage-proofing process for exploiting hot-dry-rock geothermal resource by injecting CO2 (supercritical carbon dioxide) |
| CN104863654A (en) * | 2015-04-21 | 2015-08-26 | 中国石油大学(华东) | Device and method for exploitation of terrestrial heat through supercritical carbon dioxide |
| CN105805969A (en) * | 2016-04-14 | 2016-07-27 | 中国石油大学(华东) | Process for injecting terrestrial heat of CO2 mining waste high-temperature gas reservoir |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112121742A (en) * | 2020-09-17 | 2020-12-25 | 武汉船舶职业技术学院 | Device for chemical production by using geothermal energy |
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