CN203925463U - A kind of process for underground gasification simulation test device - Google Patents
A kind of process for underground gasification simulation test device Download PDFInfo
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- CN203925463U CN203925463U CN201420258576.3U CN201420258576U CN203925463U CN 203925463 U CN203925463 U CN 203925463U CN 201420258576 U CN201420258576 U CN 201420258576U CN 203925463 U CN203925463 U CN 203925463U
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- ascending pipe
- burner hearth
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- test device
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- 238000002309 gasification Methods 0.000 title claims abstract description 99
- 238000000034 method Methods 0.000 title claims abstract description 47
- 238000012360 testing method Methods 0.000 title claims abstract description 35
- 230000008569 process Effects 0.000 title claims abstract description 34
- 238000004088 simulation Methods 0.000 title claims abstract description 30
- 230000001174 ascending effect Effects 0.000 claims abstract description 69
- 238000005070 sampling Methods 0.000 claims abstract description 60
- 238000002347 injection Methods 0.000 claims abstract description 18
- 239000007924 injection Substances 0.000 claims abstract description 18
- 239000003034 coal gas Substances 0.000 claims abstract description 10
- 230000008859 change Effects 0.000 claims abstract description 9
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 25
- 230000007246 mechanism Effects 0.000 claims description 12
- 239000003245 coal Substances 0.000 claims description 11
- 238000012856 packing Methods 0.000 claims description 11
- 238000010276 construction Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 11
- 239000007789 gas Substances 0.000 description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 230000006872 improvement Effects 0.000 description 9
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000009530 blood pressure measurement Methods 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000001465 metallisation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003570 air Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000002101 lytic effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a kind of process for underground gasification simulation test device, comprise gasification furnace and gas handling system, described gasification furnace comprises housing, this enclosure interior is provided with burner hearth, and connects and be provided with at least one manhole and at least two via holes and at least one gas exit between this housing and this burner hearth; Described gas handling system is arranged on outside described gasification furnace, and the source of the gas of this gas handling system connects the first ascending pipe and to described burner hearth inside, inputs gasifying agent by via hole described in; Described device also comprises sampling sampling system, and the sampling sampling device of this sampling sampling system connects the second ascending pipe and analyzes to the sample of inputting coal gas in described burner hearth or gather in this burner hearth by via hole described in; By mobile this first ascending pipe and this second ascending pipe, make the first inlet and the second inlet change the decanting point position in described burner hearth; To realize, to the technology of coiled tubing control injection point backing, provide experimental simulation sight.
Description
Technical field
The utility model relates to underground coal gasification(UCG) equipment, relates in particular to a kind of process for underground gasification simulation test device.
Background technology
Underground coal gasification(UCG) is underground, coal seam to be lighted underground, injects the gasifying agents such as air, oxygen and water vapour, by the conciliation to gasifying agent, controls underground coal active combustion.This technology is underground reaction, and ground is not visible, therefore adopts in advance experimental rig to simulate and can effectively obtain test parameters, to facilitate, to the technology controlling and process of produced on-site, provide foundation.The injection point backing gasification technology of controlling for current employing coiled tubing, by produced on-site, obtain technological parameter, cost is larger, can effectively simulate retrusive ignite for the simulation test device of this technology, the techniques such as retrusive gasification, provide parameter support to actual production.And this device can be according to the actual requirements, to assigned address sample (coal gas and water sample) analyze, also can carry out injecting gas or liquid to assigned address simultaneously.With this, set up the concentration field that entirely descends in gasification, pollutant distribution, and the system that improves gasification result (injecting catalyst etc.).
Patent of invention CN200910135795.6 discloses a kind of underground coal gasification pilot plant test gasification furnace and process thereof, and this technique comprises gas supply system, gasification furnace, thermometric pressure measurement survey component system, high-temperature camera system, gas cleaning system.Gasification furnace can carry out gasification test under high temperature and pressurized conditions.Gasification furnace taken into full account the situation of pressurizeing in underground gasification process, met the demand to gasification pressurization in pilot plant test, can the technological experiment such as retreat to normal pressure, pressurization underground gasification and burning point and investigate.Gasification furnace is provided with a plurality of thermometrics, pressure measurement, survey gas component system and high temperature visual monitor system, can the various parameters in pilot plant test process be carried out on-line monitoring and be controlled in real time.But burning point involved in this patent retreats, it is the variation of simple admission line, do not realize Artificial Control gas injection and put the object that any backway is adjusted gasification furnace duty, the technology that cannot control injection point backing to coiled tubing provides experimental simulation sight.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of process for underground gasification simulation test device, to realize by Artificial Control gas injection, puts the object that any backway is adjusted gasification furnace duty.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of process for underground gasification simulation test device, comprise gasification furnace and gas handling system, described gasification furnace comprises housing, this enclosure interior is provided with for packing the burner hearth of coal charge into, between this burner hearth and this housing, be provided with refractory masses, and connect and be provided with at least one manhole and at least two via holes and at least one gas exit between this housing and this burner hearth; Wherein: described gas handling system is arranged on outside described gasification furnace, this gas handling system comprises the first ascending pipe of source of the gas and removable setting, and this source of the gas connects this first ascending pipe and to described burner hearth inside, inputs gasifying agent by via hole described in; Described process for underground gasification simulation test device also comprises sampling sampling system, this sampling sampling system comprises the second ascending pipe of sampling sampling device and removable setting, and this sampling sampling device connects this second ascending pipe and analyzes to the sample of inputting coal gas in described burner hearth or gather in this burner hearth by via hole described in; This first ascending pipe and this second ascending pipe stretch into this burner hearth inside and are formed with respectively the first inlet and the second inlet, and can make this first inlet and this second inlet in this burner hearth, change the position of decanting point by the movement of this first ascending pipe and this second ascending pipe.
As a kind of improvement of technique scheme, wherein, described the first ascending pipe and described the second ascending pipe are realized mobile by the second winch mechanism that is arranged on the first winch mechanism on the first ascending pipe and be arranged in the second injection respectively.
As a kind of improvement of technique scheme, wherein, described in each, via hole place adopts hermetically-sealed construction to seal.
A kind of improvement as technique scheme, wherein, described hermetically-sealed construction is flange sealing structure, this flange sealing structure is that the inner flange sheet that is arranged on described via hole is connected with the outward flange sheet of gasification furnace outside by securing member, and in the middle of making, the periphery that this outward flange sheet is arranged on this inner flange sheet forms material-putting space, in this material-putting space, be filled with soft packing, by adjusting this securing member, this soft packing be squeezed, realize the sealing function of flange.
As a kind of improvement of technique scheme, wherein, described burner hearth inside is also provided with igniter near the decanting point of the second ascending pipe.
As a kind of improvement of technique scheme, wherein, the manhole of described gasification furnace adopts gasification furnace sealing device to seal, and this gasification furnace sealing device is sealing ring or top pressure closure.
As a kind of improvement of technique scheme, wherein, at the diverse location place of described burner hearth inside, be also provided with a plurality of thermocouples.
As a kind of improvement of technique scheme, wherein, described gas exit is that bottom is arranged on described burner hearth inside, the pipeline that upper end is in communication with the outside by described manhole.
As a kind of improvement of technique scheme, wherein, described the first ascending pipe and described the second ascending pipe are metal hose or corrugated flexible hose or rubber hose or plastic flexible pipe.
As a kind of improvement of technique scheme, wherein, described sampling sampling system is arranged on the top of described gasification furnace.
By the utility model and prior art are contrasted, known the utility model passes through in process for underground gasification simulation test device the second inlet of the first inlet of gas handling system and sampling sampling system, respectively by the removable form of the first ascending pipe and the second ascending pipe, the position of change formed inlet in the burner hearth of gasification furnace, thereby can do any adjustment to the decanting point position in gasification furnace, thereby realize, coiled tubing be controlled injection point backing, advanced or the technology of reciprocating air metallization processes provides experimental simulation sight.
Accompanying drawing explanation
The cross-sectional view of a kind of process for underground gasification simulation test device that Fig. 1 provides for the utility model embodiment;
The sectional structure chart that a kind of flange sealing structure that Fig. 2 provides for the utility model embodiment connects;
The another kind sampling sampling device that Fig. 3 provides for the utility model embodiment arranges the cross-sectional view of form.
The specific embodiment
The cross-sectional view of a kind of process for underground gasification simulation test device that the utility model embodiment provides as shown in Figure 1, specifically comprise: gasification furnace 1, gas handling system 2 and sampling sampling system 3, gasification furnace 1 comprises housing 11, housing 11 adopts pressure-resistant material, these housing 11 inside are provided with for packing the burner hearth 12 of coal charge into, are provided with refractory masses to bear the pressure that the interior simulated experiment of gasification furnace 1 is added between burner hearth 12 and housing 11.And between housing 11 and burner hearth 12, connect and be provided with at least one manhole 13 and at least two for passing in and out the via hole of pipeline, and at least one is for the gas exit 15 of output coal gas; Gas handling system 2 is inputted gasifying agent by the first ascending pipe 22 in described burner hearth 12, sampling sampling system 3 is inputted coal gas or collecting sample by the second ascending pipe 32 in this burner hearth 12, and the first ascending pipe 22 and the removable setting of the second ascending pipe 32, can change the first inlet 24 in burner hearth 12 and the injection phase of the second inlet 34 by mobile the first ascending pipe 22 and the second ascending pipe 32; Near the second inlet 34 in burner hearth 12, be also provided with igniter.Thereby realization is put any backway by Artificial Control gas injection and adjusted gasification furnace 1 duty, thereby provide experimental simulation sight to the technology of coiled tubing control injection point backing.
In manhole 13, be also provided with gasification furnace sealing device 14, this gasification furnace sealing device 14 is sealing ring or top pressure closure, the device of gasification furnace sealing shown in Fig. 1 14 adopts top pressure closure, for in the situation that not using manhole 13, gasification furnace 1 being sealed, so that there is good simulated experimental environments in gasification furnace 1.The gas exit 15 of gasification furnace 1 arranges by manhole 13, and its bottom is arranged in described burner hearth 12, and upper end is in communication with the outside by manhole 13, for the coal gas that the interior reaction of gasification furnace 1 is generated, discharges.Certainly, gas exit 15 also can be arranged on other positions of gasification furnace 1, only otherwise affect the normal discharge of coal gas.
Gas handling system 2 is arranged on outside described gasification furnace 1, gas handling system 2 comprises the first ascending pipe 22 of source of the gas 21 and removable setting, source of the gas 21 outlets connect the first ascending pipe 22, the first ascending pipe 22 is arranged and in the burner hearth 12 of gasification furnace 1 and in burner hearth 12, is formed with the first inlet 24 by a via hole extension on gasification furnace 1, by this first inlet 24, to burner hearth 12 inside, inputs gasifying agents.
Sampling sampling system 3 comprises: the second ascending pipe 32 of sampling sampling device 31 and removable setting, sampling sampling device 31 connects the second ascending pipe 32, the second ascending pipe 32 extends to arrange by a via hole on gasification furnace 1 and in the burner hearth 12 of gasification furnace 1 and in burner hearth 12, is formed with the second inlet 34, by this second inlet 34, to the sample of inputting coal gas in burner hearth 12 or gather in burner hearth 12, analyzes.And between the first inlet 24 and the second inlet 34, certain distance is set, exemplary, can be set to differ 15cm.By sampling sampling system, the sample of gasification furnace inside is sampled, can obtain corresponding technological parameter, and then carry out analyzing and processing.
Figure 3 shows that the set-up mode of the another kind of sampling of the utility model embodiment sampling system 6, this sampling sampling system 6 comprises the sampling sampling device 61 that is arranged on gasification furnace 1 top, and the via hole by gasification furnace 1 top extends the second ascending pipe 62 arranging in burner hearth 12, with the winch mechanism 63 of controlling the second ascending pipe 62 and moving, according to the needs of actual simulated test environment, the second inlet 64 that the second ascending pipe 62 forms on middle part or the top of burner hearth 12.
The material of the first ascending pipe 22 and this second ascending pipe 32 is: metal hose or corrugated flexible hose or rubber hose or plastic flexible pipe.And the movement of this first ascending pipe 22 and this second ascending pipe 32 can be controlled by artificial mode, by ascending pipe is reserved to the surplus of certain length in gasification furnace 1 outside, a kind of mode is to adopt the manual length in reserve of controlling the first ascending pipe 22 and the second ascending pipe 32 to change the injection phase of inner the first inlet 24 of burner hearth 12 and the second inlet 34; The structure that the structure that another kind of mode is ascending pipe itself is telescopic, carries out telescopic adjustment by the length of itself and can reach the decanting point position of two inlets of control in burner hearth 12; Another kind of mode is that ascending pipe is arranged on a winch mechanism again, controls respectively the length of the first ascending pipe 22 and the second ascending pipe 32 by this winch mechanism, thereby changes the first inlet 24 and the decanting point position of the second inlet 34 in burner hearth 12.Above-mentioned winch mechanism is the winch mechanism that can drive ascending pipe to move in prior art, it can be the rotating disc arranging by power-actuated two isoplanars, and ascending pipe can be inserted and clamp in the centre of two rotating discs, along with driven by power, two rotating discs slowly rotate, and drive simultaneously and control relatively moving of ascending pipe.
Ascending pipe arranges in burner hearth 12 from the via hole extension of gasification furnace 1, is provided with corresponding hermetically-sealed construction via hole is sealed in each via hole position, can seal by hermetically-sealed constructions such as molded seals, seal washer or fillers.A kind of flange sealing structure 5 providing in the utility model embodiment is provided, this flange sealing structure 5 comprises inner flange sheet 52 and outward flange sheet 51, outward flange sheet 51 is the hollow cylindrical structure that top and bottom are provided with boss, inner flange sheet 52 is provided with the hollow cylindrical structure of boss for bottom, the hollow cylinder part 511 of outward flange sheet 51 and the hollow cylinder part 521 of inner flange sheet 52 nest together, the middle material-putting space that forms, in this material-putting space, be filled with soft packing 53, the boss of the boss of inner flange sheet 52 bottoms and outward flange sheet 51 bottoms is provided with fixing hole, be same as by securing member 54 by the inner flange sheet 52 of gasification furnace 1 inside be connected with the outward flange sheet 51 of gasification furnace 1 outside, and adjusting this securing member 54 can make this soft packing 53 be squeezed, thereby realize the sealing function of flange sealing structure 5.Adopt the sealing effectiveness of this flange sealing structure 5 to be better than common packing ring, and adopt this dismountable sealing means, be convenient to dismounting and maintenance.
And a plurality of positions in burner hearth 12 are provided with thermocouple 16, for directly measuring temperature, and temperature signal is converted to thermo-electromotive force signal, by electric meter (secondary meter), convert the temperature of measured medium to, the profile of various thermocouples is often because needs are far from it, but their basic structure is roughly the same.
The process for underground gasification simulation test device providing by the utility model embodiment can be simulated following process conditions, and then obtains technological parameter and control method under corresponding conditions.
1, in air/oxygen-rich gasification process, can obtain under different in flow rate, the thermal field under different backway gas injection conditions distributes, and then obtains the translational speed (forward, reverse) of flame face, and the relation between gas composition and technological parameter.
2, by sampling sampling device, can to the diverse location place in gasification furnace, carry out the collection of gaseous sample, with this, obtain the distribution of concentration of working region in stove.
3, by sampling sampling device, can simulate formation pouring in water (can at the uniform velocity also can input the short time in a large number, simulation coal seam water flow inside, or ponding pours in), after pouring in water, can carry out the sampling of different time sections to combustion dead zone ponding simultaneously, obtain combustion dead zone water quality and pollutant distribution situation.
4, by sampling sampling device, can, to working region injecting catalyst or organic wastes, by the adjusting to technique, simulate underground gasification is carried out to catalytic gasification and produced-water reinjection treatment process.
5, by winch mechanism, change the position of decanting point and change injection mode (adding the materials such as lytic agent above roof), thereby can simulate water burst effect on roof collapse and top board, experimental data being analyzed.
The experimentation of above-mentioned experimental rig is: according to test demand, in burner hearth 12, pack appropriate coal into.The first ascending pipe 22 is preset to suitable height, the soft packing of giving as security between tight outward flange sheet 51 and inner flange sheet 52 by screwing securing member 54, and then the via hole position of gasification furnace 1 is sealed, guarantee that furnace gas can be to outward leakage.The second ascending pipe 32 is placed on to demand position simultaneously, near the second inlet 34, put into igniter, the diverse location place according to actual conditions in gasification furnace 1, for example, arrange a plurality of thermocouples in inside, coal seam, gasification furnace 1 sealing device is sealed, and then seal whole gasification furnace 1.
During on-test, by gas handling system 2, gasifying agent is injected to burner hearth 12, use low concentration oxygen-enriched ignition, after confirmation is lighted a fire successfully, start to test according to testing program.After one-phase experiment finishes, use winch mechanism 33 by the second ascending pipe 32 recession one segment distances, proceed experiment; And by winch mechanism 23, adjust the first ascending pipe 22, can adjust the position of source of the gas 21, and then reach the object of the gas injection point of adjusting the first inlet 24.Sampling apparatus is connected with central processing unit, result after sampled measurements is transferred to central processing unit by holding wire and shows at display terminal, thereby to the combustion case in gasification furnace 1 is just monitored, the coal gas that reaction generates is disposed to outside by gas exit 15.
In sum, the utility model embodiment is set to adjustable form by the gas handling system of process for underground gasification simulation test device and the ascending pipe of sampling sampling system, thereby the first inlet in any control adjustment gasification furnace and the position of the second inlet, thereby change the decanting point position in test, can realize Artificial Control gas injection and put any backway and adjust gasification furnace duty, coiled tubing is controlled injection point backing, advanced or the technology of reciprocating air metallization processes provides experimental simulation sight.
And sampling sampling system can simulate different experimental situations, can carry out simulated test, the impact of gasifying while obtaining retrusive gas injection on water burst and advantage with vertical water burst (roof collapse water burst) to retrusive gasifying process; And can carry out gas composition and other samples sample to the assigned address of (in gasification and gasification after) under different gasifying process conditions, can obtain corresponding technological parameter, and then analyzing and processing, obtain distribution of concentration, for building stove, provide basic data, and can to assigned address, carry out the layering extraction of sewage, pollutant generation and pollutant migration are simulated.
Claims (10)
1. a process for underground gasification simulation test device, comprise gasification furnace and gas handling system, described gasification furnace comprises housing, this enclosure interior is provided with for packing the burner hearth of coal charge into, between this burner hearth and this housing, be provided with refractory masses, and connect and be provided with at least one manhole and at least two via holes and at least one gas exit between this housing and this burner hearth; It is characterized in that: described gas handling system is arranged on outside described gasification furnace, this gas handling system comprises the first ascending pipe of source of the gas and removable setting, and this source of the gas connects this first ascending pipe and to described burner hearth inside, inputs gasifying agent by via hole described in; Described process for underground gasification simulation test device also comprises sampling sampling system, this sampling sampling system comprises the second ascending pipe of sampling sampling device and removable setting, and this sampling sampling device connects this second ascending pipe and analyzes to the sample of inputting coal gas in described burner hearth or gather in this burner hearth by via hole described in; This first ascending pipe and this second ascending pipe stretch into this burner hearth inside and are formed with respectively the first inlet and the second inlet, and can make this first inlet and this second inlet in this burner hearth, change the position of decanting point by the movement of this first ascending pipe and this second ascending pipe.
2. a kind of process for underground gasification simulation test device according to claim 1, is characterized in that: described the first ascending pipe and described the second ascending pipe are realized mobile by the second winch mechanism that is arranged on the first winch mechanism on the first ascending pipe and be arranged in the second injection respectively.
3. a kind of process for underground gasification simulation test device according to claim 1, is characterized in that: described in each, via hole place adopts hermetically-sealed construction to seal.
4. a kind of process for underground gasification simulation test device according to claim 3, it is characterized in that: described hermetically-sealed construction is flange sealing structure, this flange sealing structure is that the inner flange sheet that is arranged on described via hole is connected with the outward flange sheet of gasification furnace outside by securing member, and in the middle of making, the periphery that this outward flange sheet is arranged on this inner flange sheet forms material-putting space, in this material-putting space, be filled with soft packing, by adjusting this securing member, this soft packing is squeezed, realizes the sealing function of flange.
5. a kind of process for underground gasification simulation test device according to claim 1, is characterized in that: described burner hearth inside is also provided with igniter near the decanting point of the second ascending pipe.
6. a kind of process for underground gasification simulation test device according to claim 1, is characterized in that: the manhole of described gasification furnace adopts gasification furnace sealing device to seal, and this gasification furnace sealing device is sealing ring or top pressure closure.
7. a kind of process for underground gasification simulation test device according to claim 1, is characterized in that: the diverse location place in described burner hearth inside is also provided with a plurality of thermocouples.
8. a kind of process for underground gasification simulation test device according to claim 1, is characterized in that: described gas exit is that bottom is arranged on described burner hearth inside, the pipeline that upper end is in communication with the outside by described manhole.
9. a kind of process for underground gasification simulation test device according to claim 1, is characterized in that: described the first ascending pipe and described the second ascending pipe are metal hose or corrugated flexible hose or rubber hose or plastic flexible pipe.
10. according to a kind of process for underground gasification simulation test device described in claim 1 to 9 any one claim, it is characterized in that: described sampling sampling system is arranged on the top of described gasification furnace.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420258576.3U CN203925463U (en) | 2014-05-20 | 2014-05-20 | A kind of process for underground gasification simulation test device |
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| CN201420258576.3U CN203925463U (en) | 2014-05-20 | 2014-05-20 | A kind of process for underground gasification simulation test device |
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| CN203925463U true CN203925463U (en) | 2014-11-05 |
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| CN201420258576.3U Expired - Lifetime CN203925463U (en) | 2014-05-20 | 2014-05-20 | A kind of process for underground gasification simulation test device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104895545A (en) * | 2015-07-01 | 2015-09-09 | 中国矿业大学(北京) | Underground fuel gasification method, gasifying agent delivery pipe and underground fuel gasification system |
| CN109673552A (en) * | 2019-02-25 | 2019-04-26 | 中国水产科学研究院黑龙江水产研究所 | A kind of artificial spawning ground in the more habitats of salmon class in imitative natural oviposition river |
| CN112127868A (en) * | 2020-09-27 | 2020-12-25 | 中国地质大学（北京） | Test device for simulating underground coal gasification and oil shale co-production and test method thereof |
| CN112943225A (en) * | 2021-02-01 | 2021-06-11 | 山东科技大学 | Experimental device and method for simulating migration rule of underground coal gasification pyrolysis gas in overlying strata |
| CN113445974A (en) * | 2020-03-26 | 2021-09-28 | 中国石油天然气股份有限公司 | Device and application, and coal underground gasification pollution evaluation system and method |
| CN113445973A (en) * | 2020-03-26 | 2021-09-28 | 中国石油天然气股份有限公司 | Device and application as well as system and method for evaluating coal underground gasification tightness |
-
2014
- 2014-05-20 CN CN201420258576.3U patent/CN203925463U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104895545A (en) * | 2015-07-01 | 2015-09-09 | 中国矿业大学(北京) | Underground fuel gasification method, gasifying agent delivery pipe and underground fuel gasification system |
| CN109673552A (en) * | 2019-02-25 | 2019-04-26 | 中国水产科学研究院黑龙江水产研究所 | A kind of artificial spawning ground in the more habitats of salmon class in imitative natural oviposition river |
| CN109673552B (en) * | 2019-02-25 | 2021-04-02 | 中国水产科学研究院黑龙江水产研究所 | Artificial spawning site imitating natural spawning river for salmon multi-habitat |
| CN113445974A (en) * | 2020-03-26 | 2021-09-28 | 中国石油天然气股份有限公司 | Device and application, and coal underground gasification pollution evaluation system and method |
| CN113445973A (en) * | 2020-03-26 | 2021-09-28 | 中国石油天然气股份有限公司 | Device and application as well as system and method for evaluating coal underground gasification tightness |
| CN112127868A (en) * | 2020-09-27 | 2020-12-25 | 中国地质大学（北京） | Test device for simulating underground coal gasification and oil shale co-production and test method thereof |
| CN112127868B (en) * | 2020-09-27 | 2021-08-24 | 中国地质大学（北京） | Test device for simulating underground coal gasification and oil shale co-production and test method thereof |
| CN112943225A (en) * | 2021-02-01 | 2021-06-11 | 山东科技大学 | Experimental device and method for simulating migration rule of underground coal gasification pyrolysis gas in overlying strata |
| CN112943225B (en) * | 2021-02-01 | 2023-11-17 | 山东科技大学 | Experimental device and method for simulating migration rule of underground coal gasification pyrolysis gas in overburden |
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Effective date of registration: 20170213 Address after: 065001 Hebei economic and Technological Development Zone, Langfang science and Technology Park in the Southern District of B building, room 522 Patentee after: ENN SCIENCE & TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: The 065001 Hebei economic and Technological Development Zone of Langfang Huaxiang Xinyuan host new Austrian Science and Technology Park in Southern District Patentee before: ENN COAL GASIFICATION MINING Co.,Ltd. |
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