CN113736521B - Energy-saving coal preheating device for high ash coal gasification - Google Patents
Energy-saving coal preheating device for high ash coal gasification Download PDFInfo
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- CN113736521B CN113736521B CN202111073615.3A CN202111073615A CN113736521B CN 113736521 B CN113736521 B CN 113736521B CN 202111073615 A CN202111073615 A CN 202111073615A CN 113736521 B CN113736521 B CN 113736521B
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- 239000003245 coal Substances 0.000 title claims abstract description 56
- 238000002309 gasification Methods 0.000 title claims abstract description 14
- 238000002955 isolation Methods 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 239000003818 cinder Substances 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/093—Coal
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The invention relates to the field of coal, in particular to an energy-saving coal preheating device for high ash coal gasification, which comprises a first supporting frame, an adding component, a withdrawing component and the like; the first support frame is connected with a first support frame, the adding component is arranged on the first support frame, and the withdrawing component is arranged on the adding component. Through the cooperation of equipment internals, the cinder that the inside utilization of fourth carriage can fall to other collection equipment along the deflector on, the inside cinder that contains a large amount of heats of first carriage can fall to the inside of fourth carriage on through the deflector, the inside high ash coal of preheating of third carriage can fall to inside the first carriage, be convenient for utilize the heat on the cinder, thereby can the energy saving, the time that the follow-up needs with high ash coal heating gasification required has been reduced, and then production efficiency can be improved, the effect that can utilize the heat on the cinder with the energy saving has been reached effectively.
Description
Technical Field
The invention relates to the field of coal, in particular to an energy-saving coal preheating device for high-ash coal gasification.
Background
The high-ash coal is the fossil fuel with the most abundant reserve and the most widely distributed regions on the earth, but with the large-scale exploitation and utilization of high-ash coal resources by people, the high-quality high-ash coal resources are less and less, and the proportion of low-quality coal resources in the residual resources is increased, especially the high-ash coal, so that the utilization of the high-ash coal cleaning technology can relieve the energy crisis and the environmental crisis of China, and meanwhile, the high-ash coal can be used as the raw material of coal gasification.
People usually gasify the high-ash coal to utilize the high-ash coal, a large amount of heat is needed in the gasification process of the high-ash coal, but the existing device does not have the function of effectively utilizing the heat on the cinder, so that a large amount of heat is lost, a large amount of energy is consumed for gasifying the high-ash coal in the subsequent process, and the existing device does not have the function of preheating the high-ash coal.
Disclosure of Invention
In view of the above, it is necessary to provide an energy-saving coal preheating device for high-ash coal gasification that can effectively utilize the heat of the coal slag to save energy and can effectively preheat the high-ash coal to be preheated, and to solve the problems that the conventional device proposed in the prior art does not have a function of effectively utilizing the heat of the coal slag and does not have a function of preheating the high-ash coal.
The technical scheme of the invention is as follows: the utility model provides a high ash coal gasification is with energy-saving coal preheating device, includes first support frame, first braced frame, adds the subassembly and withdraws the subassembly, connects first braced frame on the first support frame, adds the subassembly and locates on the first braced frame, withdraws the subassembly and locates on the interpolation subassembly.
In one embodiment, the adding component comprises an electric push rod, a second support frame, a third support frame, a first spring, a support rod, a push-out frame, a second spring, a limiting block and an isolation cover, wherein the electric push rod is installed on the first support frame, the second support frame is connected to the first support frame in a sliding mode, the third support frame is connected to the second support frame in an sliding mode, a pair of rectangular holes are formed in the second support frame and the third support frame in an sliding mode, two first springs are connected between the third support frame and the second support frame, the support rod is connected to the third support frame in a sliding mode, the push-out frame is connected to one end of the electric push rod in a sliding mode, the second spring is connected between the push-out frame and the support rod, two limiting blocks are connected to the inner wall of the first support frame in a sliding mode, and the isolation cover is connected to the third support frame in a rotating mode.
In one embodiment, the retraction assembly comprises a partition plate, a third spring, a second support frame, a wedge block, a fourth spring and a wedge frame, wherein the partition plate is symmetrically and slidably connected to the second support frame, the third spring is symmetrically connected between the partition plate and the second support frame, the second support frame is symmetrically connected to the outer wall of the third support frame, the wedge block is slidably connected to the second support frame, the fourth spring is connected between the wedge block and the second support frame, and the wedge frame is symmetrically connected to the inner wall of the second support frame.
In one embodiment, the preheating device further comprises a preheating component, the preheating component is arranged on the first supporting frame and comprises a fourth supporting frame, a sliding bottom plate and a fifth spring, the fourth supporting frame is symmetrically connected to the first supporting frame and is in contact with the second supporting frame and the third supporting frame, the sliding bottom plate is connected to the bottom of the fourth supporting frame in a sliding mode, and the fifth spring is connected between the sliding bottom plate and the fourth supporting frame.
In one embodiment, the device further comprises a replacement component, the replacement component is arranged on the fourth supporting frame, the replacement component comprises a guide frame, a sixth spring, a guide block, a third supporting frame, a guide frame, a first torsion spring and a guide plate, the guide frame is connected to the fourth supporting frame in a sliding mode, the guide frame is in contact with the second supporting frame, the sixth spring is connected between the guide frame and the fourth supporting frame, two guide blocks are connected to the lower portion of the second supporting frame, two third supporting frames are connected to the bottom of the second supporting frame, the guide frame is connected to the third supporting frames in a rotating mode, the first torsion spring is connected between the guide frame and the third supporting frames, and the guide plate is connected to the bottom of the fourth supporting frame.
In one embodiment, the feeding control assembly is arranged on the first supporting frame and comprises a second torsion spring, a limiting frame, a fourth supporting frame and a feeding steel pipe, two second torsion springs are connected between the isolation cover and the third supporting frame, two limiting frames are connected to the outer bottom of the first supporting frame, the limiting frame is in contact with the isolation cover, the fourth supporting frame is connected to the outer wall of the first supporting frame, the feeding steel pipe is connected to the fourth supporting frame, and the feeding steel pipe is in contact with the third supporting frame.
The beneficial effects are that:
through the cooperation of equipment internals, the cinder that the inside utilization of fourth carriage can fall to other collection equipment along the deflector on, the inside cinder that contains a large amount of heats of first carriage can fall to the inside of fourth carriage on through the deflector, the inside high ash coal of preheating of third carriage can fall to inside the first carriage, be convenient for utilize the heat on the cinder, thereby can the energy saving, the time that the follow-up needs with high ash coal heating gasification required has been reduced, and then production efficiency can be improved, the effect that can utilize the heat on the cinder with the energy saving has been reached effectively.
Because the cinder in the fourth supporting frame contains a large amount of heat, and the fourth supporting frame is made of materials with high heat conductivity, the cinder preheating device can preheat the high-ash coal to be preheated in the third supporting frame, and the effect of effectively preheating the high-ash coal to be preheated is achieved.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention.
Fig. 2 is a schematic perspective view of a second embodiment of the present invention.
Fig. 3 is a schematic perspective view of a first part of the additive package of the present invention.
FIG. 4 is a schematic perspective view, partially in section, of an add-on assembly of the present invention.
Fig. 5 is a schematic perspective view of a second portion of the add-on assembly of the present invention.
Fig. 6 is a schematic perspective view, partially in section, of a retraction assembly of the present invention.
Fig. 7 is a schematic view of a disassembled perspective view of the retraction assembly of the present invention.
Fig. 8 is a schematic perspective view of a preheating assembly according to the present invention.
Fig. 9 is a partial perspective view of the replacement assembly of the present invention.
FIG. 10 is a schematic view of a portion of a feed control assembly of the present invention in perspective.
FIG. 11 is a schematic perspective view of a feed control assembly according to the present invention.
Marked in the figure as: 1-first supporting frame, 2-first supporting frame, 3-adding component, 31-electric push rod, 32-second supporting frame, 33-third supporting frame, 34-first spring, 35-supporting rod, 36-pushing frame, 37-second spring, 38-limiting block, 39-isolating cover, 4-retracting component, 41-baffle, 42-third spring, 43-second supporting frame, 44-wedge block, 45-fourth spring, 46-wedge frame, 5-preheating component, 51-fourth supporting frame, 52-sliding bottom plate, 53-fifth spring, 6-replacing component, 61-guiding frame, 62-sixth spring, 63-guiding block, 64-third supporting frame, 65-guiding frame, 66-first torsion spring, 67-guiding plate, 7-feeding control component, 71-second torsion spring, 72-limiting frame, 73-fourth supporting frame, 74-feeding steel pipe.
Detailed Description
Standard parts used in the invention can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, and the specific connection modes of the parts adopt conventional means such as mature bolts, rivets, welding, pasting and the like in the prior art, and the detailed description is omitted.
Examples: the utility model provides an energy-saving coal preheating device for high ash coal gasification, as shown in fig. 1-11, including first support frame 1, first braced frame 2, add subassembly 3 and withdraw subassembly 4, connect first braced frame 2 on the first support frame 1, add the subassembly 3 and locate on the first braced frame 2, withdraw the subassembly 4 and locate on adding the subassembly 3, withdraw the subassembly 4 and be used for retrieving the cinder that contains a large amount of heats.
The adding component 3 comprises an electric push rod 31, a second support frame 32, a third support frame 33, a first spring 34, a support rod 35, a push-out frame 36, a second spring 37, a limiting block 38 and an isolating cover 39, wherein the electric push rod 31 is arranged on the first support frame 2, the electric push rod 31 is used for driving the push-out frame 36 and devices thereon to reciprocate up and down, the first support frame 2 is connected with the second support frame 32 in a sliding manner, the second support frame 32 is connected with the third support frame 33 in a sliding manner, a pair of rectangular holes are formed in each of the second support frame 32 and the third support frame 33, two first springs 34 are connected between the third support frame 33 and the second support frame 32, the third support frame 33 drives the second support frame 32 and devices thereon to move upwards together through the first springs 34, the support rod 35 is connected to the third support frame 33, the push-out frame 36 is connected with the push-out frame 36 in a sliding manner, the push-out frame 36 is used for pushing preheated high ash coal in the interior of the third support frame 33 upwards, the push-out frame 36 is connected with the third support frame 33 in a sliding manner, one end of the push-out frame 36 is connected with the electric push rod 36 and the second support frame 33, the first spring 37 is connected with the second support frame 37 and the first support frame 37 in a rotating manner, and the first support frame is connected with the second support frame 37 in a rotating manner to the first support frame 37.
The retraction assembly 4 comprises a partition 41, a third spring 42, a second supporting frame 43, a wedge block 44, a fourth spring 45 and a wedge frame 46, wherein the partition 41 is symmetrically and slidably connected to the second supporting frame 32, the third spring 42 is symmetrically connected between the partition 41 and the second supporting frame 32, the third spring 42 is used for driving the partition 41 to reset, the second supporting frame 43 is symmetrically connected to the outer wall of the third supporting frame 33, the wedge block 44 is slidably connected to the second supporting frame 43, the wedge block 44 is used for pushing the partition 41 to move upwards, the fourth spring 45 is connected between the wedge block 44 and the second supporting frame 43, the fourth spring 45 is used for driving the wedge block 44 to reset, the wedge frame 46 is symmetrically connected to the inner wall of the second supporting frame 32, and the wedge frame 46 is used for extruding the wedge block 44 to move.
The preheating device comprises a first supporting frame 1, a preheating assembly 5, a second supporting frame 32 and a third supporting frame 33, wherein the preheating assembly 5 is arranged on the first supporting frame 1, the preheating assembly 5 is used for preheating high-ash coal to be preheated in the third supporting frame 33, the preheating assembly 5 comprises a fourth supporting frame 51, a sliding bottom plate 52 and a fifth spring 53, the fourth supporting frame 51 is symmetrically connected to the first supporting frame 1, the fourth supporting frame 51 is in contact with the second supporting frame 32 and the third supporting frame 33, the bottom of the fourth supporting frame 51 is connected with the sliding bottom plate 52 in a sliding mode, the fifth spring 53 is connected between the sliding bottom plate 52 and the fourth supporting frame 51, and the fifth spring 53 is used for driving the sliding bottom plate 52 to reset.
The automatic replacement device is characterized by further comprising a replacement component 6, wherein the replacement component 6 is arranged on the fourth support frame 51, the replacement component 6 comprises a guide frame 61, a sixth spring 62, guide blocks 63, a third support frame 64, a guide frame 65, a first torsion spring 66 and a guide plate 67, the guide frame 61 is connected to the fourth support frame 51 in a sliding mode, the guide frame 61 is in contact with the second support frame 32, the sixth spring 62 is connected between the guide frame 61 and the fourth support frame 51, the sixth spring 62 is used for driving the guide frame 61 to move towards the direction close to each other, two guide blocks 63 are connected to the lower portion of the second support frame 32, the guide blocks 63 are used for pushing the guide frame 61 to reset, two third support frames 64 are connected to the bottom portion of the second support frame 32, the guide frame 65 is connected to the third support frames 64 in a rotating mode, the guide frame 65 is used for pushing the sliding bottom plate 52 to move, the first torsion spring 66 is connected between the guide frame 65 and the third support frames 64, the first torsion spring 66 is used for driving the guide frame 65 to reset, and the bottom of the fourth support frame 51 is connected to the guide plate 67.
The feeding control assembly 7 is arranged on the first supporting frame 2, the feeding control assembly 7 comprises a second torsion spring 71, a limiting frame 72, a fourth supporting frame 73 and a feeding steel pipe 74, two second torsion springs 71 are connected between the isolation cover 39 and the third supporting frame 33, the isolation cover 39 is closed due to restoration of the second torsion springs 71, two limiting frames 72 are connected to the outer bottom of the first supporting frame 2, the limiting frame 72 is used for extruding the isolation cover 39 to restore, the limiting frames 72 are in contact with the isolation cover 39, the fourth supporting frame 73 is connected to the outer wall of the first supporting frame 2, the feeding steel pipe 74 is connected to the fourth supporting frame 73, and high-ash coal to be preheated can be guided into the third supporting frame 33 through the feeding steel pipe 74, and the feeding steel pipe 74 is in contact with the third supporting frame 33.
The preheated high-ash coal is filled in the third supporting frame 33, the cinder containing a large amount of heat, which is left by the last operation of the equipment, is filled in the first supporting frame 2, the electric push rod 31 is controlled to be contracted manually, so that the push-out frame 36 and the upper device thereof move upwards, the push-out frame 36 drives the supporting rod 35 and the upper device thereof to move upwards together through the second spring 37, the third supporting frame 33 drives the second supporting frame 32 and the upper device thereof to move upwards together through the first spring 34, then the second supporting frame 32 is contacted with the limiting block 38, so that the second supporting frame 32 and the upper device thereof stop moving upwards, the third supporting frame 33 and the upper device thereof continue moving upwards, the first spring 34 is compressed, then the third supporting frame 33 and the upper device thereof stop moving upwards, the rectangular holes on the second supporting frame 32 are not blocked, the wedge-shaped block 44 pushes the partition 41 to move upwards, and the third spring 42 is compressed accordingly, so that the partition 41 is opened.
The fourth supporting frame 51 is internally provided with the coal cinder which is used up and left by the last operation of the device, when the second supporting frame 32 and the upper device thereof move upwards, the guide frame 65 pushes the sliding bottom plate 52 to move, the fifth spring 53 is stretched along with the second supporting frame 32, so that the sliding bottom plate 52 is opened, the coal cinder which is used up in the fourth supporting frame 51 can fall onto other collecting devices along the guide plate 67, then the second supporting frame 32 and the upper device thereof move upwards, the guide frame 65 is separated from the sliding bottom plate 52, and the sliding bottom plate 52 is reset under the reset action of the fifth spring 53.
When the second support frame 32 and the device thereon move upwards, the second support frame 32 will separate from the guide frame 61, the stretched sixth spring 62 will restore, so that the guide frame 61 moves towards the direction close to each other, then the cinder containing a large amount of heat in the first support frame 2 can fall onto the guide frame 61 through the space between the third support frame 33 and the second support frame 32, the cinder containing a large amount of heat on the guide frame 61 will fall into the fourth support frame 51, because the fourth support frame 51 is made of a material with higher heat conductivity, so that it can preheat the high ash coal to be preheated in the third support frame 33, then the push-out frame 36 and the device thereon will continue to move upwards, the second spring 37 will be stretched, the wedge block 44 will contact with the wedge block 46, the wedge block 44 will be pressed, the fourth spring 45 will be compressed, so that the wedge block 44 is separated from the partition 41 will reset under the reset action of the third spring 42, and simultaneously the push-out frame 36 will push the high ash coal to be preheated in the third support frame 33 to the inside to the first support frame 2, and the high ash coal can be gasified in the first support frame 2 will fall upwards.
The electric push rod 31 is controlled to be stretched manually, the push-out frame 36 and the upper device thereof are reset, the second spring 37 drives the support rod 35 and the upper device thereof to be reset to the initial position, the first spring 34 drives the third support frame 33 to be reset to the initial position, the guide block 63 pushes the guide frame 61 to be reset in the process of resetting the second support frame 32 and the upper device thereof, the sixth spring 62 is stretched and reset along with the second support frame 32, the sliding bottom plate 52 presses the guide frame 65 to swing, the first torsion spring 66 is compressed along with the sliding bottom plate 52, the guide frame 65 moves to the lower side of the sliding bottom plate 52, the guide frame 65 is reset along with the first torsion spring 66 under the reset action, and the wedge block 44 is separated from the wedge frame 46 and reset under the reset action of the fourth spring 45.
When the third supporting frame 33 and the upper device thereof move upwards, the spacing frame 72 does not limit the isolation cover 39 any more, the compressed second torsion spring 71 is restored, so that the isolation cover 39 is closed, when the third supporting frame 33 and the upper device thereof are restored, the spacing frame 72 extrudes the isolation cover 39 to reset, the second torsion spring 71 is compressed and reset, so that the isolation cover 39 is opened, then the high-ash coal to be preheated can be introduced into the third supporting frame 33 through the feeding steel pipe 74 by other feeding equipment, the equipment can be operated continuously, finally, the operation of the electric push rod 31 is controlled manually to stop, and the operation can be repeated to preheat the high-ash coal to be preheated continuously.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. An energy-saving coal preheating device for high ash coal gasification is characterized in that: the device comprises a first support frame, an adding component and a withdrawing component, wherein the first support frame is connected with the first support frame;
The adding component comprises an electric push rod, a second supporting frame, a third supporting frame, a first spring, a supporting rod, a push-out frame, a second spring, a limiting block and an isolation cover, wherein the electric push rod is arranged on the first supporting frame;
The retraction assembly comprises a partition plate, a third spring, a second support frame, a wedge block, a fourth spring and a wedge frame, wherein the partition plate is symmetrically and slidably connected to the second support frame;
The preheating assembly is arranged on the first supporting frame and comprises a fourth supporting frame, a sliding bottom plate and a fifth spring, the fourth supporting frame is symmetrically connected to the first supporting frame and is in contact with the second supporting frame and the third supporting frame, the sliding bottom plate is connected to the bottom of the fourth supporting frame in a sliding mode, and the fifth spring is connected between the sliding bottom plate and the fourth supporting frame.
2. The energy-saving coal preheating device for high ash coal gasification according to claim 1, wherein: the novel torsion spring type automatic lifting device comprises a first supporting frame, a second supporting frame, a third supporting frame, a fourth supporting frame, a guide frame, a first torsion spring, a guide plate, a second torsion spring, a guide frame, a sixth spring, a second supporting frame lower portion and two guide blocks, wherein the first supporting frame, the sixth spring, the guide block, the third supporting frame, the guide frame, the first torsion spring and the guide plate are arranged on the first supporting frame in a sliding mode, the guide frame is in contact with the second supporting frame, the sixth spring is connected between the guide frame and the fourth supporting frame, the two guide blocks are connected to the lower portion of the second supporting frame in a connecting mode, the two third supporting frames are connected to the bottom of the second supporting frame in a connecting mode, the guide frame is connected to the third supporting frames in a rotating mode, the first torsion spring is connected to the third supporting frames, and the guide plate is connected to the bottom of the fourth supporting frame.
3. The energy-saving coal preheating device for high ash coal gasification as claimed in claim 2, wherein: the feeding control assembly is arranged on the first supporting frame and comprises a second torsion spring, a limiting frame, a fourth supporting frame and a feeding steel pipe, two second torsion springs are connected between the isolation cover and the third supporting frame, the outer bottom of the first supporting frame is connected with the two limiting frames, the limiting frame is in contact with the isolation cover, the fourth supporting frame is connected to the outer wall of the first supporting frame, the feeding steel pipe is connected to the fourth supporting frame, and the feeding steel pipe is in contact with the third supporting frame.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111073615.3A CN113736521B (en) | 2021-09-14 | 2021-09-14 | Energy-saving coal preheating device for high ash coal gasification |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111073615.3A CN113736521B (en) | 2021-09-14 | 2021-09-14 | Energy-saving coal preheating device for high ash coal gasification |
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| Publication Number | Publication Date |
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| CN113736521A CN113736521A (en) | 2021-12-03 |
| CN113736521B true CN113736521B (en) | 2024-05-17 |
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| CN202111073615.3A Active CN113736521B (en) | 2021-09-14 | 2021-09-14 | Energy-saving coal preheating device for high ash coal gasification |
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| CN113185075A (en) * | 2021-04-19 | 2021-07-30 | 谢书炜 | Bottom sludge control discharge device for cement fermentation tank |
| CN113276723A (en) * | 2021-06-21 | 2021-08-20 | 卢海红 | Vehicle front wheel calibration limiting frame suitable for new energy power station |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105861064B (en) * | 2015-01-23 | 2018-11-16 | 通用电气公司 | Coal slurry preheating device and the gasification system and method for using the device |
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2021
- 2021-09-14 CN CN202111073615.3A patent/CN113736521B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019029458A1 (en) * | 2017-08-08 | 2019-02-14 | 山东大学 | Pulverized coal gasification device and process for producing high calorific value gas with low residual carbon amount |
| CN110671720A (en) * | 2019-10-09 | 2020-01-10 | 长沙凯泽工程设计有限公司 | Environment-friendly energy-saving furnace |
| CN211946253U (en) * | 2020-02-26 | 2020-11-17 | 何勇 | Preheating device for synthetic ammonia raw material prepared from coal |
| CN112899035A (en) * | 2021-01-14 | 2021-06-04 | 安徽科达洁能股份有限公司 | System and method for recycling gasified slag |
| CN113185075A (en) * | 2021-04-19 | 2021-07-30 | 谢书炜 | Bottom sludge control discharge device for cement fermentation tank |
| CN113276723A (en) * | 2021-06-21 | 2021-08-20 | 卢海红 | Vehicle front wheel calibration limiting frame suitable for new energy power station |
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| CN113736521A (en) | 2021-12-03 |
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