CN116447576B - Steam boiler - Google Patents
Steam boiler Download PDFInfo
- Publication number
- CN116447576B CN116447576B CN202310701923.9A CN202310701923A CN116447576B CN 116447576 B CN116447576 B CN 116447576B CN 202310701923 A CN202310701923 A CN 202310701923A CN 116447576 B CN116447576 B CN 116447576B
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- China
- Prior art keywords
- water supply
- branch pipe
- assembly
- gas
- pipe
- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 149
- 238000010438 heat treatment Methods 0.000 claims abstract description 42
- 238000005192 partition Methods 0.000 claims abstract description 22
- 238000005485 electric heating Methods 0.000 claims description 37
- 238000009413 insulation Methods 0.000 claims description 16
- 238000004321 preservation Methods 0.000 claims description 16
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000009835 boiling Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000008400 supply water Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B35/00—Control systems for steam boilers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/10—Water tubes; Accessories therefor
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Air Humidification (AREA)
Abstract
The application relates to the technical field of boilers and provides a steam boiler which comprises a supporting base, a partition type heating component, a furnace wall and a gas collecting component, wherein the partition type heating component is arranged on the supporting base, the furnace wall is arranged on the side wall of the partition type heating component, the furnace wall is provided with a water supply component, the water supply component is connected with the partition type heating component, the gas collecting component is arranged at the top end of the furnace wall, and the gas collecting component is connected with the partition type heating component.
Description
Technical Field
The application relates to the technical field of boilers, in particular to a steam boiler.
Background
The steam boiler is a thermodynamic equipment which utilizes heat energy released after fuel combustion or preheating heat in industrial production to transfer water in a container to make the water reach required temperature or steam with a certain pressure, and is mainly formed into a complete body by a boiler (water pressure part of the steam boiler body), a boiler (combustion equipment part), accessory instruments and accessory equipment, and after the water enters the steam boiler, the absorbed heat is transferred to the water through a heating surface of the steam boiler in a steam-water system to heat the water into hot water with a certain temperature and pressure or generate steam, and then the steam is led out of the body.
When the steam boiler heats water, the water injection amount and the like can be regulated according to the steam demand, however, the heat loss of part of the steam boiler is not reduced due to the reduction of the water injection amount because of the integral heating area of the steam boiler, but the cost for producing the unit amount of steam is greatly increased due to the reduction of the water injection amount, so the problem that the cost for producing the unit amount of steam is greatly increased due to the heat loss of the whole heating area of the boiler because of the reduction of the water injection amount is solved.
Disclosure of Invention
Aiming at the defects of the prior art, the application provides a steam boiler to solve the problem that the cost for producing unit quantity of steam is greatly increased due to the heat loss of the whole heating area of the boiler when the water injection quantity is reduced in the prior art.
In order to achieve the above purpose, the present application provides the following technical solutions:
the steam boiler comprises a support base, a partition type heating assembly, a furnace wall and a gas collecting assembly, wherein the partition type heating assembly is arranged on the support base and is used for partition type heating of water supply;
expanding the partitioned heating assembly, wherein the partitioned heating assembly comprises:
the outer wall of the heat insulation shell is fixedly connected with the support base;
the heat insulation layer is arranged in the heat insulation shell and is provided with a plurality of openings;
the electric heating tube is arranged in the opening of the heat preservation layer, and heat conduction oil is arranged in the tube wall of the electric heating tube;
the furnace wall is arranged on the side wall of the partition type heating assembly, and in order to supply water to the partition type heating assembly, the furnace wall is provided with a water supply assembly, and the water supply assembly is connected with the partition type heating assembly;
unfolding the water supply assembly, wherein the water supply assembly comprises:
the water supply pre-storing box is arranged on the outer side of the furnace wall, a water supply main pipe is fixedly communicated with the side wall of the water supply pre-storing box, and a water supply first electric valve is arranged on the water supply main pipe;
the water inlet end of the water supply branch pipe is communicated with the bottom end of the water supply pre-storing box, the water outlet end of the water supply branch pipe is communicated with the top end of the electric heating pipe, the water inlet end of the water supply branch pipe is provided with a water supply second electric valve, and the water outlet end of the water supply branch pipe is provided with a water supply third electric valve;
the gas collecting assembly is arranged at the top end of the furnace wall and is connected with the partition type heating assembly and used for collecting the steam produced by the partition type heating assembly;
the gas collection assembly is unfolded, and the gas collection assembly comprises:
the gas collecting chamber is arranged at the top end of the furnace wall, the top end of the gas collecting chamber is communicated with a gas collecting outlet main pipe, and the bottom end of the gas collecting outlet main pipe is provided with a gas collecting first electric valve;
the outlet end of the first gas collection branch pipe is communicated with the bottom end of the gas collection chamber, and the outlet end of the first gas collection branch pipe is provided with a second gas collection electric valve;
the outlet end of the gas collection second branch pipe is communicated with the inlet end of the gas collection first branch pipe, the inlet end of the gas collection second branch pipe is communicated with the top end of the electric heating pipe, and the inlet end of the gas collection second branch pipe is provided with a gas collection third electric valve.
In order to reduce heat loss generated when steam moves in the gas-collecting second branch pipes, as a further optional technical scheme of the application, a plurality of the gas-collecting second branch pipes are spirally wound on the outer sides of the water supply branch pipes, and heat preservation pipes are further arranged on the outer sides of the plurality of the gas-collecting second branch pipes.
In order to heat the water supply into steam faster, as a still further optional technical scheme of the application, a first air pump is further arranged on the supporting base, and an air pipe of the first air pump penetrates through the heat insulation shell and the heat preservation layer to be communicated with the inner wall of the electric heating tube.
In order to continuously raise the temperature of low-pressure steam in the gas collection chamber, on the basis of the scheme, a second air pump is arranged at the top end of the gas collection chamber, and an air pipe of the second air pump is communicated with the gas collection chamber.
Compared with the prior art, the application provides a steam boiler, which has the following beneficial effects:
1. compared with the existing integrated steam boiler, the application can realize that the steam with specific demand is obtained under the condition of low loss by changing the starting quantity of the electric heating tubes and matching with the corresponding water supply branch pipe, the gas collection first branch pipe and the gas collection second branch pipe according to the demand of the steam;
2. according to the application, the plurality of gas-collecting second branch pipes are spirally wound on the outer sides of the water supply branch pipes, and the heat dissipated when the steam moves in the second branch pipes preheats the water supply in the heat supply branch pipes in the heat preservation pipes, so that the heat loss generated when the steam passes through the pipelines is further reduced.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present application and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a schematic diagram of the overall structure of the present application;
FIG. 2 is a schematic view of the partial structure of the support base, heat insulating housing, water supply assembly and air collection assembly of the present application;
FIG. 3 is a schematic view of a partial cross-sectional structure of the support base and partitioned heating assembly of the present application mated;
FIG. 4 is a schematic view of a partially cut-away configuration of the water supply assembly, gas collection assembly and insulating tube of the present application mated;
FIG. 5 is a schematic view of the structure of the electric heating tube, the water supply branch pipe, the second electric valve, the third electric valve and the air collecting assembly of the application in partial section;
fig. 6 is a partially enlarged schematic view of the structure of fig. 2 a according to the present application.
Reference numerals in the drawings represent respectively:
100. a zoned heating assembly; 200. a water supply assembly; 300. a gas collection assembly;
1. a support base; 2. a furnace wall; 3. a heat insulating housing; 4. a heat preservation layer; 5. an electric heating tube; 6. a water supply pre-storing box; 7. a water supply main pipe; 8. a first electrically operated valve for supplying water; 9. a water supply branch pipe; 10. a second electric valve for supplying water; 11. a third electric valve for supplying water; 12. a plenum chamber; 13. a gas collection outlet header pipe; 14. a gas collection first electric valve; 15. a gas collecting first branch pipe; 16. the gas collection second electric valve; 17. a gas collection second branch pipe; 18. a third electric valve for collecting gas; 19. a heat preservation pipe; 20. a first air pump; 21. and a second air pump.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1 to 6, a steam boiler includes a support base 1, a partition type heating assembly 100, a furnace wall 2 and a gas collecting assembly 300, wherein the partition type heating assembly 100 is mounted on the support base 1 and is used for partition type heating of water supply;
the partition type heating assembly 100 is unfolded, the partition type heating assembly 100 comprises a heat insulation shell 3, a heat preservation layer 4 and an electric heating tube 5, the outer wall of the heat insulation shell 3 is fixedly connected with the support base 1, the heat preservation layer 4 is installed in the heat insulation shell 3, the heat preservation layer 4 is provided with a plurality of openings, the electric heating tube 5 is installed in the openings of the heat preservation layer 4, and heat conduction oil is arranged in the tube wall of the electric heating tube 5;
the heat conduction oil in the pipe wall of the electric heating pipes 5 is heated by starting the electric heating pipes 5 arranged in the heat preservation layer 4, the water supply in the electric heating pipes 5 is heated by high-temperature heat conduction oil, so that the water supply is heated into steam, the requirement of changing the steam demand is realized by starting a specific number of electric heating pipes 5, the electric heating pipes 5 can reach the temperature required by heating the water supply more quickly due to the volume of the electric heating pipes 5, and the heat loss is reduced along with the reduction of the volume;
the furnace wall 2 is installed on a side wall of the partitioned heating assembly 100, and in order to supply water to the partitioned heating assembly 100, the furnace wall 2 is installed with a water supply assembly 200, the water supply assembly 200 being connected to the partitioned heating assembly 100;
the water supply assembly 200 is unfolded, the water supply assembly 200 comprises a water supply pre-storage tank 6 and a water supply branch pipe 9, the water supply pre-storage tank 6 is installed on the outer side of the furnace wall 2, a water supply main pipe 7 is fixedly communicated with the side wall of the water supply pre-storage tank 6, a water supply first electric valve 8 is installed on the water supply main pipe 7, the water inlet end of the water supply branch pipe 9 is communicated with the bottom end of the water supply pre-storage tank 6, the water outlet end of the water supply branch pipe 9 is communicated with the top end of the electric heating pipe 5, a water supply second electric valve 10 is arranged at the water inlet end of the water supply branch pipe 9, and a water supply third electric valve 11 is arranged at the water outlet end of the water supply branch pipe 9;
starting a first water supply electric valve 8, injecting water into the water supply pre-storage tank 6 through the water supply main pipe 7, closing the first water supply electric valve 8 after water injection is completed, starting a second water supply electric valve 10 and a third water supply electric valve 11 with specific numbers according to the steam demand, and injecting water for the corresponding electric heating pipe 5 through the water supply branch pipe 9;
the gas collecting assembly 300 is arranged at the top end of the furnace wall 2, and the gas collecting assembly 300 is connected with the partition type heating assembly 100 and is used for collecting the steam produced by the partition type heating assembly 100;
expanding the gas collecting assembly 300, wherein the gas collecting assembly 300 comprises a gas collecting chamber 12, a gas collecting first branch pipe 15 and a gas collecting second branch pipe 17, the gas collecting chamber 12 is arranged at the top end of the furnace wall 2, the top end of the gas collecting chamber 12 is communicated with a gas collecting outlet main pipe 13, the bottom end of the gas collecting outlet main pipe 13 is provided with a gas collecting first electric valve 14, the outlet end of the gas collecting first branch pipe 15 is communicated with the bottom end of the gas collecting chamber 12, the outlet end of the gas collecting first branch pipe 15 is provided with a gas collecting second electric valve 16, the outlet end of the gas collecting second branch pipe 17 is communicated with the inlet end of the gas collecting first branch pipe 15, the inlet end of the gas collecting second branch pipe 17 is communicated with the top end of the electric heating tube 5, and the inlet end of the gas collecting second branch pipe 17 is provided with a gas collecting third electric valve 18;
the steam generated by heating in the electric heating tube 5 moves through the gas collecting first branch pipe 15 and the gas collecting second branch pipe 17 corresponding to the steam, finally moves into the gas collecting chamber 12 for pre-storing, and then is discharged through the gas collecting outlet main pipe 13.
Referring to fig. 4 and 5, in order to reduce heat loss generated when steam moves in the gas collection second branch pipes 17, a plurality of the gas collection second branch pipes 17 are spirally wound on the outer sides of the water supply branch pipes 9, and insulation pipes 19 are further provided on the outer sides of the plurality of the gas collection second branch pipes 17;
the heat released when the steam moves in the gas collection second branch pipe 17 is stored through the heat preservation pipe 19, and the water supply in the water supply branch pipe 9 is preheated, so that the heat loss generated when the steam passes through the pipeline is further reduced.
Referring to fig. 1-3, in order to heat the water supply into steam faster, the support base 1 is further provided with a first air pump 20, and an air pipe of the first air pump 20 penetrates through the heat insulation housing 3 and the heat preservation layer 4 to be communicated with the inner wall of the electric heating tube 5;
the first air pump 20 arranged on the supporting base 1 pumps the electric heating tube 5 to make the electric heating tube 5 in a low pressure state, and the principle that the boiling point of water is reduced and the temperature of water vapor is changed into water vapor is lowered in the low pressure state is utilized to heat the water vapor into steam more quickly.
Referring to fig. 1 and 2, in order to keep the temperature of the low-pressure steam in the air collection chamber 12 rising, a second air pump 21 is arranged at the top end of the air collection chamber 12, and an air pipe of the second air pump 21 is communicated with the air collection chamber 12;
after entering the air collection chamber 12, the low-pressure steam pressurizes the air collection chamber 12 through a second air pump 21 arranged at the top end of the air collection chamber 12, so that the air collection chamber 12 is in a high-pressure state, and the water vapor is further heated in the air collection chamber 12 by utilizing the principle that the temperature of the water vapor is raised when the low-pressure water vapor is pressurized.
In summary, the working principle of the steam boiler is as follows: firstly starting a first electric valve 8 for water supply, filling water into a water supply pre-storage tank 6 through a water supply main pipe 7, closing the first electric valve 8 for water supply after water filling is finished, starting a second electric valve 10 for water supply and a third electric valve 11 for water supply in specific quantity according to the steam demand, filling water into an electric heating tube 5 corresponding to the first electric valve through a water supply branch pipe 9, starting a first air pump 20 before water supply reaches the electric heating tube 5, pumping pressure in the electric heating tube 5 to enable the electric heating tube 5 to be in a low pressure state, then starting the electric heating tube 5 to heat conduction oil in the pipe wall of the electric heating tube 5, exchanging heat between the heat conduction oil and water in the electric heating tube 5, enabling the water supply to be heated into steam faster by utilizing the principle that the boiling point of water is reduced and the temperature of the water vapor is reduced, stopping the second electric valve 10 for water supply and the third electric valve 11 for water supply at the moment, continuously heating low-pressure steam to raise the temperature of the steam, then sequentially starting a third gas collecting electric valve 18 and a second gas collecting electric valve 16 to enable the steam to move upwards along a second gas collecting branch pipe 17 and a first gas collecting branch pipe 15, simultaneously opening a second water supplying electric valve 10 to enable water to enter a water supply branch pipe 9, preserving heat emitted when the steam moves in the second gas collecting branch pipe 17 through a heat preservation pipe 19 and preheating the water in the water supply branch pipe 9 to further reduce heat loss generated when the steam passes through a pipeline, closing the third gas collecting electric valve 18 and the second gas collecting electric valve 16 after the steam enters the gas collecting chamber 12, opening the third water supplying electric valve 11 to enable the preheated water to enter the electric heating pipe 5 to be heated, simultaneously starting a second air pump 21 to pressurize the gas collecting chamber 12 to enable the gas collecting chamber 12 to be in a high-pressure state, by utilizing the principle that the temperature of the water vapor can be increased when the water vapor with low pressure is pressurized, the water vapor is further heated in the gas collection chamber 12, and then the gas collection first electric valve 14 is opened to discharge the high-temperature high-pressure steam through the gas collection outlet main pipe 13.
Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. Steam boiler comprising a support base (1), characterized in that it further comprises:
a partitioned heating assembly (100), the partitioned heating assembly (100) being mounted on the support base (1) for partitioned heating of the water supply;
a furnace wall (2), the furnace wall (2) being mounted on a side wall of the partitioned heating assembly (100), the furnace wall (2) being mounted with a water supply assembly (200), the water supply assembly (200) being connected to the partitioned heating assembly (100);
a gas collecting assembly (300), wherein the gas collecting assembly (300) is arranged at the top end of the furnace wall (2), and the gas collecting assembly (300) is connected with the partition type heating assembly (100) and is used for carrying out total collection on steam produced by the partition type heating assembly (100);
the zone heating assembly (100) comprises:
the heat insulation shell (3), the outer wall of the heat insulation shell (3) is fixedly connected with the support base (1);
the heat insulation layer (4), the heat insulation layer (4) is arranged in the heat insulation shell (3), and the heat insulation layer (4) is provided with a plurality of openings;
the electric heating tube (5) is arranged in the opening of the heat preservation layer (4), and heat conduction oil is arranged in the tube wall of the electric heating tube (5);
the water supply assembly (200) includes:
the water supply pre-storing box (6), the water supply pre-storing box (6) is arranged on the outer side of the furnace wall (2), a water supply main pipe (7) is fixedly communicated with the side wall of the water supply pre-storing box (6), and a water supply first electric valve (8) is arranged on the water supply main pipe (7);
the water supply branch pipe (9), the water inlet end of the water supply branch pipe (9) is communicated with the bottom end of the water supply pre-storing tank (6), the water outlet end of the water supply branch pipe (9) is communicated with the top end of the electric heating pipe (5), the water inlet end of the water supply branch pipe (9) is provided with a water supply second electric valve (10), and the water outlet end of the water supply branch pipe (9) is provided with a water supply third electric valve (11);
the gas collection assembly (300) includes:
the gas collection chamber (12) is arranged at the top end of the furnace wall (2), the top end of the gas collection chamber (12) is communicated with a gas collection outlet main pipe (13), and the bottom end of the gas collection outlet main pipe (13) is provided with a gas collection first electric valve (14);
the gas collecting device comprises a gas collecting first branch pipe (15), wherein the outlet end of the gas collecting first branch pipe (15) is communicated with the bottom end of a gas collecting chamber (12), and a gas collecting second electric valve (16) is arranged at the outlet end of the gas collecting first branch pipe (15);
the outlet end of the gas collection second branch pipe (17) is communicated with the inlet end of the gas collection first branch pipe (15), the inlet end of the gas collection second branch pipe (17) is communicated with the top end of the electric heating pipe (5), and the inlet end of the gas collection second branch pipe (17) is provided with a gas collection third electric valve (18);
the plurality of gas-collecting second branch pipes (17) are spirally wound on the outer sides of the water supply branch pipes (9), and heat-insulating pipes (19) are further arranged on the outer sides of the plurality of gas-collecting second branch pipes (17);
the support base (1) is also provided with a first air pump (20), and an air pipe of the first air pump (20) penetrates through the heat insulation shell (3) and the heat preservation layer (4) to be communicated with the inner wall of the electric heating tube (5);
the top end of the air collection chamber (12) is provided with a second air pump (21), and an air pipe of the second air pump (21) is communicated with the air collection chamber (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310701923.9A CN116447576B (en) | 2023-06-14 | 2023-06-14 | Steam boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310701923.9A CN116447576B (en) | 2023-06-14 | 2023-06-14 | Steam boiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116447576A CN116447576A (en) | 2023-07-18 |
| CN116447576B true CN116447576B (en) | 2023-08-18 |
Family
ID=87125977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310701923.9A Active CN116447576B (en) | 2023-06-14 | 2023-06-14 | Steam boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116447576B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB739241A (en) * | 1954-01-18 | 1955-10-26 | Mak Maschinenbau Kiel Ag | Railway carriage with steam heating |
| CN108800090A (en) * | 2018-06-25 | 2018-11-13 | 余燕军 | The main stove of biomass evaporator |
| CN109681854A (en) * | 2018-12-03 | 2019-04-26 | 中国科学院理化技术研究所 | Steam generation facility |
| CN109855078A (en) * | 2019-03-25 | 2019-06-07 | 淄博询知方技术开发有限公司 | A kind of environment-protection boiler with steam waste heat recycling device |
| CN212719660U (en) * | 2020-06-12 | 2021-03-16 | 周口市远大太康锅炉有限公司 | Tubular steam boiler |
| CN113803704A (en) * | 2021-09-22 | 2021-12-17 | 杭州碳青环能科技有限公司 | Low-pressure superheated steam generating device with waste heat collecting function |
-
2023
- 2023-06-14 CN CN202310701923.9A patent/CN116447576B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB739241A (en) * | 1954-01-18 | 1955-10-26 | Mak Maschinenbau Kiel Ag | Railway carriage with steam heating |
| CN108800090A (en) * | 2018-06-25 | 2018-11-13 | 余燕军 | The main stove of biomass evaporator |
| CN109681854A (en) * | 2018-12-03 | 2019-04-26 | 中国科学院理化技术研究所 | Steam generation facility |
| CN109855078A (en) * | 2019-03-25 | 2019-06-07 | 淄博询知方技术开发有限公司 | A kind of environment-protection boiler with steam waste heat recycling device |
| CN212719660U (en) * | 2020-06-12 | 2021-03-16 | 周口市远大太康锅炉有限公司 | Tubular steam boiler |
| CN113803704A (en) * | 2021-09-22 | 2021-12-17 | 杭州碳青环能科技有限公司 | Low-pressure superheated steam generating device with waste heat collecting function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116447576A (en) | 2023-07-18 |
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Address after: 067000 North Industrial Zone, Xinglong Town, Xinglong County, Chengde City, Hebei Province Patentee after: Hebei Yuhang Thermal Power Co.,Ltd. Address before: 067000 North Industrial Zone, Xinglong Town, Xinglong County, Chengde City, Hebei Province Patentee before: Xinglong County Pengsheng Thermal Power Co.,Ltd. |