CN108167807A - Garbage incinerating power plant steam air heater draining system - Google Patents
Garbage incinerating power plant steam air heater draining system Download PDFInfo
- Publication number
- CN108167807A CN108167807A CN201810001463.8A CN201810001463A CN108167807A CN 108167807 A CN108167807 A CN 108167807A CN 201810001463 A CN201810001463 A CN 201810001463A CN 108167807 A CN108167807 A CN 108167807A
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- CN
- China
- Prior art keywords
- hydrophobic
- steam
- entrance
- air heater
- power plant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 29
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 66
- 238000011161 development Methods 0.000 claims abstract description 29
- 238000009833 condensation Methods 0.000 claims description 15
- 230000005494 condensation Effects 0.000 claims description 15
- CUZMQPZYCDIHQL-VCTVXEGHSA-L calcium;(2s)-1-[(2s)-3-[(2r)-2-(cyclohexanecarbonylamino)propanoyl]sulfanyl-2-methylpropanoyl]pyrrolidine-2-carboxylate Chemical compound [Ca+2].N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1.N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1 CUZMQPZYCDIHQL-VCTVXEGHSA-L 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 6
- 238000004056 waste incineration Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- 230000035939 shock Effects 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 6
- 229920006395 saturated elastomer Polymers 0.000 description 4
- 230000009467 reduction Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000007701 flash-distillation Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000006392 deoxygenation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/50—Feed-water heaters, i.e. economisers or like preheaters incorporating thermal de-aeration of feed-water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L15/00—Heating of air supplied for combustion
-
- 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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
Abstract
The invention belongs to garbage incinerating power plant technical fields, and in particular to a kind of garbage incinerating power plant steam type airheater draining system, including steam type airheater, hydrophobic development unit and oxygen-eliminating device；The inside of the steam type airheater is separated to form high pressure section and low pressure stage；The entrance of the high pressure section is connected with high steam inlet pipe, and the outlet of the high pressure section is connected with the hydrophobic entrance of the hydrophobic development unit；The entrance of the low pressure stage is connected with low-pressure steam inlet pipe, and the outlet of the low pressure stage is connected with the hydrophobic entrance of the low pressure of the oxygen-eliminating device；The hydrophobic outlet of the hydrophobic development unit is connected with the high pressure draining entrance of the oxygen-eliminating device.Hydrophobic development unit in garbage incinerating power plant steam type airheater draining system provided by the invention provides recovered steam, steam consumption is saved, reduce the hydrophobic pressure into oxygen-eliminating device, loss of steam and water and operational shock are reduced, and can ensure that waste incineration main process system normally produces.
Description
Technical field
The invention belongs to garbage incinerating power plant technical fields, and in particular to a kind of garbage incinerating power plant steam-air
Preheater draining system.
Background technology
With the rapid economic development in our country, rubbish quality is continuously improved, waste incineration can realize the decrement of garbage disposal
Change, innoxious, recycling, this method has become one of most efficient method of processing rubbish, can not only calorific value be utilized to send out
Electricity is turned waste into wealth, moreover it is possible to be reduced the landfill of rubbish, be greatly reduced pollution of the rubbish to environment.The cigarette generated due to waste incineration
Gas containing a large amount of acid gas components, easily generates low-temperature corrosion, generally sets steam type airheater again, will be empty using steam
Gas is heated to more than the dew point of sour gas, so as to achieve the purpose that reduce low-temperature corrosion and improve boiler efficiency.
At present, it to improve the thermal efficiency of full factory, is generated after most of garbage incinerating power plant high pressure steam heating hydrophobic
Oxygen-eliminating device is directly entered, because high pressure draining temperature is higher, oxygen-eliminating device temperature is relatively low, and the temperature difference is bigger, and heat exchange efficiency is lower, because
The steam air consumption of this high-quality is larger；And generated high temperature is hydrophobic into deoxygenation after steam type airheater heating air
Device leads to steam type airheater inefficiency, and high pressure draining is directly entered oxygen-eliminating device, be easy to cause itself boiling of oxygen-eliminating device
It rises, pressure is caused in oxygen-eliminating device to increase, loss of steam and water increases, and when operation is also easily vibrated.
Invention content
In order to overcome above-mentioned the shortcomings of the prior art, the object of the present invention is to provide a kind of steamings of garbage incinerating power plant
Vapour-air preheater draining system can be lowered into the hydrophobic pressure of oxygen-eliminating device, reduce loss of steam and water and operational shock, protect
Barrier waste incineration main process system normally produces.
To achieve the above object, the technical scheme is that a kind of garbage incinerating power plant steam air heater is dredged
Water system, including steam air heater, hydrophobic development unit and oxygen-eliminating device；The inside points of the steam air heater are every shape
Into high pressure section and low pressure stage；The entrance of the high pressure section is connected with high steam inlet pipe, and the outlet of the high pressure section is dredged with described
The hydrophobic entrance connection of water flash vessel；The entrance of the low pressure stage is connected with low-pressure steam inlet pipe, the outlet of the low pressure stage with
The hydrophobic entrance connection of low pressure of the oxygen-eliminating device；The hydrophobic outlet of the hydrophobic development unit and the high pressure draining of the oxygen-eliminating device enter
Mouth connection.
Further, the steam (vapor) outlet of the hydrophobic development unit is connected with the low-pressure steam inlet pipe.
Further, the steam air heater further includes condensation segment；The outlet of the low pressure stage and the condensation segment
Entrance connection；The outlet of the condensation segment is connected with the hydrophobic entrance of the low pressure of the oxygen-eliminating device.
Further, the hydrophobic outlet of the hydrophobic development unit passes through the first pipe with the high pressure draining entrance of the oxygen-eliminating device
Road connects；The first pipe is equipped with the first valve.
Further, the first pipe is connected by second pipe with the entrance of the condensation segment.
Further, the second pipe is equipped with the second valve.
Further, the first pipe and the contact of the second pipe are located at first valve and the hydrophobic expansion
Between container.
Compared with prior art, beneficial effects of the present invention：
Hydrophobic development unit in garbage incinerating power plant steam air heater draining system provided by the invention provides recycling
Steam has saved steam consumption, reduces the hydrophobic pressure into oxygen-eliminating device, reduces loss of steam and water and operational shock, and energy
Ensure that waste incineration main process system normally produces.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is that the structure of garbage incinerating power plant steam air heater draining system provided in an embodiment of the present invention is shown
It is intended to；
Fig. 2 is the structure diagram of garbage incinerating power plant steam air heater draining system provided in an embodiment of the present invention；
In figure：1st, steam air heater, 2, hydrophobic development unit, 3, oxygen-eliminating device, 4, high pressure section, 5, low pressure stage, 6, condensation segment,
7th, the first valve, the 8, second valve, 9, high steam inlet pipe, 10, low-pressure steam inlet pipe, 11, first pipe, 12, second pipe.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other without making creative work
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, the embodiment of the present invention provides a kind of garbage incinerating power plant steam air heater draining system,
Including steam air heater 1, hydrophobic development unit 2 and oxygen-eliminating device 3；The inside of the steam air heater 1 is separated to form
High pressure section 4 and low pressure stage 5；The entrance of the high pressure section 4 is connected with high steam inlet pipe 9, the outlet of the high pressure section 4 with it is described
The hydrophobic entrance connection of hydrophobic development unit 2；The entrance of the low pressure stage 5 is connected with low-pressure steam inlet pipe 10, the low pressure stage 5
Outlet is connected with the hydrophobic entrance of low pressure of the oxygen-eliminating device 3；The hydrophobic outlet of the hydrophobic development unit 2 and the oxygen-eliminating device 3
High pressure draining entrance connects.
The steam air heater 1 may be used it is vertical or horizontal, the length of high pressure section 4 and low pressure stage 5 or
Person's width depends on required heat exchange area；Since steam air heater 1 is to heat sky using the latent heat of vaporization of water vapour
Gas, in the case where remaining external condition is constant, heat exchange area and heat exchange amount are directly proportional, and the size of heat exchange amount depends on import
The parameter of steam（Temperature and pressure）And flow, therefore ordinary circumstance is that high pressure section 4 is longer than low pressure stage 5 or high.By hydrophobic expansion
The hydrophobic parameter of container 2 is related with the design pressure of hydrophobic development unit 2, and the hydrophobic outlet of the hydrophobic development unit 2 is out hydrophobic
Pressure be generally 0.8 ~ 1.2MPa, temperature is 175.4 ~ 191.6 DEG C.
Hydrophobic development unit in garbage incinerating power plant steam air heater draining system provided by the invention provides
Recovered steam has saved steam consumption, reduces the hydrophobic pressure into oxygen-eliminating device, reduces loss of steam and water and operational shock,
And it can ensure that waste incineration main process system normally produces.
Further, the steam (vapor) outlet of the hydrophobic development unit 2 is connected with the low-pressure steam inlet pipe 10.
As shown in Figure 1, the garbage incinerating power plant steam air heater draining system mesohigh steam and low of the present invention
Press steam respectively by high steam inlet pipe 9 and low-pressure steam inlet pipe 10 and the high pressure section 4 of the steam air heater 1
Entrance is connected with the entrance of low pressure stage 5；High steam enters in the high pressure section 4 of steam air heater 1 exchange heat after enter it is hydrophobic
After in flash vessel 2, due to pressure reduction, part flash-off of steam, the saturation that another part becomes under current pressure is hydrophobic；Flash distillation
Steam from hydrophobic development unit 2 steam (vapor) outlet enter low-pressure steam inlet pipe 10 with low-pressure steam enter steam-air it is pre-
The low pressure stage 5 of hot device 1 continues to exchange heat, remaining hydrophobic into oxygen-eliminating device 3；Low-pressure steam is in the low pressure of steam air heater 1
Oxygen-eliminating device 3 is entered back into after exchanging heat in section 5.
Further, as shown in Fig. 2, the steam air heater 1 further includes condensation segment 6；The low pressure stage 5 goes out
Mouth is connected with the entrance of the condensation segment 6；The outlet of the condensation segment 6 is connected with the hydrophobic entrance of low pressure of the oxygen-eliminating device 3.
Low-pressure steam enters in low pressure stage 5 after heat exchange, is out saturated water using the latent heat of vaporization of vapor, i.e., warm
Spend constant, only medium becomes saturated water from steam；Saturated water one heat exchange of progress after condensation segment 6, temperature reduction enter back into institute
It states in oxygen-eliminating device 3.
Further, the hydrophobic outlet of the hydrophobic development unit 2 and the high pressure draining entrance of the oxygen-eliminating device 3 pass through first
Pipeline 11 connects；The first pipe 11 is equipped with the first valve 7.
Further, the first pipe 11 is connected by second pipe 12 with the entrance of the condensation segment 6.
Further, the second pipe 12 is equipped with the second valve 8
Further, the contact of the first pipe 11 and the second pipe 12 be located at first valve 7 with it is described hydrophobic
Between flash vessel 2.
As shown in Fig. 2, the garbage incinerating power plant steam air heater draining system mesohigh steam and low of the present invention
Press steam respectively by high steam inlet pipe 9 and low-pressure steam inlet pipe 10 and the high pressure section 4 of the steam air heater 1
Entrance is connected with the entrance of low pressure stage 5；High steam enters in the high pressure section 4 of steam air heater 1 exchange heat after enter it is hydrophobic
After in flash vessel 2, due to pressure reduction, part flash-off of steam, the saturation that another part becomes under current pressure is hydrophobic；Flash distillation
Steam from hydrophobic development unit 2 steam (vapor) outlet enter low-pressure steam inlet pipe 10 with low-pressure steam enter steam-air it is pre-
The low pressure stage 5 of hot device 1 continues to exchange heat, and oxygen therein and other incondensable gases are removed in remaining hydrophobic entrance oxygen-eliminating device 3；
Low-pressure steam enters one heat exchange of progress after condensation segment 6 after exchanging heat in the low pressure stage 5 of steam air heater 1, temperature reduces again
Gas therein is removed into oxygen-eliminating device 3；When the first valve 7 is closed, the second valve 8 is opened, from hydrophobic development unit 2 out
It is hydrophobic, the saturated water that can be come out with the low pressure stage 5 of steam air heater 1 converge into exchanging heat in 6；Work as oxygen-eliminating device
When temperature is too low, the second valve 8 is closed, opens the first valve 7, what hydrophobic development unit 2 was isolated hydrophobic is directly entered oxygen-eliminating device
3。
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (7)
1. garbage incinerating power plant steam air heater draining system, which is characterized in that including steam air heater
（1）, hydrophobic development unit（2）And oxygen-eliminating device（3）；The steam air heater（1）Inside be separated to form high pressure section（4）With
Low pressure stage（5）；The high pressure section（4）Entrance and high steam inlet pipe（9）Connection, the high pressure section（4）Outlet with it is described
Hydrophobic development unit（2）Hydrophobic entrance connection；The low pressure stage（5）Entrance and low-pressure steam inlet pipe（10）Connection, it is described low
Press section（5）Outlet and the oxygen-eliminating device（3）The connection of low pressure hydrophobic entrance；The hydrophobic development unit（2）Hydrophobic outlet with
The oxygen-eliminating device（3）High pressure draining entrance connection.
2. garbage incinerating power plant steam air heater draining system as described in claim 1, it is characterised in that：It is described
Hydrophobic development unit（2）Steam (vapor) outlet and the low-pressure steam inlet pipe（10）Connection.
3. garbage incinerating power plant steam air heater draining system as described in claim 1, it is characterised in that：It is described
Steam air heater（1）Further include condensation segment（6）；The low pressure stage（5）Outlet and the condensation segment（6）Entrance connect
It is logical；The condensation segment（6）Outlet and the oxygen-eliminating device（3）The connection of low pressure hydrophobic entrance.
4. garbage incinerating power plant steam air heater draining system as claimed in claim 3, it is characterised in that：It is described
Hydrophobic development unit（2）Hydrophobic outlet and the oxygen-eliminating device（3）High pressure draining entrance pass through first pipe（11）Connection；It is described
First pipe（11）It is equipped with the first valve（7）.
5. garbage incinerating power plant steam air heater draining system as claimed in claim 4, it is characterised in that：It is described
First pipe（11）Pass through second pipe（12）With the condensation segment（6）Entrance connection.
6. garbage incinerating power plant steam air heater draining system as claimed in claim 5, it is characterised in that：It is described
Second pipe（12）It is equipped with the second valve（8）.
7. garbage incinerating power plant steam air heater draining system as claimed in claim 5, it is characterised in that：It is described
First pipe（11）With the second pipe（12）Contact be located at first valve（7）With the hydrophobic development unit（2）It
Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810001463.8A CN108167807B (en) | 2018-01-02 | 2018-01-02 | Drainage system of steam-air preheater of garbage incineration power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810001463.8A CN108167807B (en) | 2018-01-02 | 2018-01-02 | Drainage system of steam-air preheater of garbage incineration power plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108167807A true CN108167807A (en) | 2018-06-15 |
| CN108167807B CN108167807B (en) | 2024-03-19 |
Family
ID=62517042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810001463.8A Active CN108167807B (en) | 2018-01-02 | 2018-01-02 | Drainage system of steam-air preheater of garbage incineration power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108167807B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538920A (en) * | 2018-10-17 | 2019-03-29 | 苏州市朗吉科技有限公司 | Waste incineration and generating electricity air preheater draining system |
| CN109654474A (en) * | 2019-01-21 | 2019-04-19 | 成都市兴蓉再生能源有限公司 | Residual neat recovering system for refuse-burning plant hydrophobic development unit |
| CN109798536A (en) * | 2019-03-15 | 2019-05-24 | 广州特种承压设备检测研究院 | Steam air preheating device and system |
| CN110566933A (en) * | 2019-09-19 | 2019-12-13 | 中国能源建设集团广东省电力设计研究院有限公司 | Multi-stage expansion heating assembly |
| CN110578932A (en) * | 2019-03-31 | 2019-12-17 | 上海康恒环境股份有限公司 | novel steam flue gas preheater |
| CN112484073A (en) * | 2020-11-30 | 2021-03-12 | 光大环保技术装备（常州）有限公司 | Steam air preheating system for waste incineration industry and preheating method thereof |
| CN114183741A (en) * | 2021-12-16 | 2022-03-15 | 南通万达锅炉有限公司 | Multi-heat-source adjusting system for waste incineration boiler |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538920A (en) * | 2018-10-17 | 2019-03-29 | 苏州市朗吉科技有限公司 | Waste incineration and generating electricity air preheater draining system |
| CN109538920B (en) * | 2018-10-17 | 2024-04-09 | 苏州颜吉通新能源科技有限公司 | Air preheater drainage system for garbage incineration power generation |
| CN109654474A (en) * | 2019-01-21 | 2019-04-19 | 成都市兴蓉再生能源有限公司 | Residual neat recovering system for refuse-burning plant hydrophobic development unit |
| CN109798536A (en) * | 2019-03-15 | 2019-05-24 | 广州特种承压设备检测研究院 | Steam air preheating device and system |
| CN110578932A (en) * | 2019-03-31 | 2019-12-17 | 上海康恒环境股份有限公司 | novel steam flue gas preheater |
| CN110566933A (en) * | 2019-09-19 | 2019-12-13 | 中国能源建设集团广东省电力设计研究院有限公司 | Multi-stage expansion heating assembly |
| CN112484073A (en) * | 2020-11-30 | 2021-03-12 | 光大环保技术装备（常州）有限公司 | Steam air preheating system for waste incineration industry and preheating method thereof |
| CN112484073B (en) * | 2020-11-30 | 2023-04-21 | 光大环保技术装备（常州）有限公司 | Steam air preheating system and method for waste incineration industry |
| CN114183741A (en) * | 2021-12-16 | 2022-03-15 | 南通万达锅炉有限公司 | Multi-heat-source adjusting system for waste incineration boiler |
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| Publication number | Publication date |
|---|---|
| CN108167807B (en) | 2024-03-19 |
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