CN114811974A - Demisting device in natural gasification station - Google Patents
Demisting device in natural gasification station Download PDFInfo
- Publication number
- CN114811974A CN114811974A CN202210456076.XA CN202210456076A CN114811974A CN 114811974 A CN114811974 A CN 114811974A CN 202210456076 A CN202210456076 A CN 202210456076A CN 114811974 A CN114811974 A CN 114811974A
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- Prior art keywords
- heating box
- heating
- natural gas
- box
- rotating disk
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- 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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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S20/40—Solar heat collectors combined with other heat sources, e.g. using electrical heating or heat from ambient air
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/005—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by heat treatment
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
- F24S25/10—Arrangement of stationary mountings or supports for solar heat collector modules extending in directions away from a supporting surface
- F24S25/13—Profile arrangements, e.g. trusses
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S30/00—Arrangements for moving or orienting solar heat collector modules
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S50/00—Arrangements for controlling solar heat collectors
- F24S50/20—Arrangements for controlling solar heat collectors for tracking
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
- F24S80/30—Arrangements for connecting the fluid circuits of solar collectors with each other or with other components, e.g. pipe connections; Fluid distributing means, e.g. headers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D11/00—Heat-exchange apparatus employing moving conduits
- F28D11/02—Heat-exchange apparatus employing moving conduits the movement being rotary, e.g. performed by a drum or roller
- F28D11/04—Heat-exchange apparatus employing moving conduits the movement being rotary, e.g. performed by a drum or roller performed by a tube or a bundle of tubes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
- F28F13/12—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
- F28F13/125—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation by stirring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
Abstract
The invention discloses a demisting device in a natural gasification station, which comprises a natural gas transmission cylinder for transmitting low-temperature natural gas, a heating box for providing heat is arranged outside the natural gas transmission cylinder, a heat exchange piece for increasing the heat exchange area is arranged on the natural gas transmission cylinder in the heating box, an installation seat plate is arranged above the heating box, a solar heating component for exchanging heat with the heating box is arranged above the installation seat plate, the solar heating component is communicated with the outer side of the heating box through the liquid guide hose, the solar heating component is designed aiming at the defects of the prior device, a heat source is provided by designing a photovoltaic heating mode, and the mode of cooperation spotlight and angle modulation has improved the heating effect, can guarantee to carry out effectual heating to the gasification natural gas to eliminate the fog problem, also reduced the defogging cost, the practicality is strong.
Description
Technical Field
The invention relates to the technical field of natural gas station equipment, in particular to a demisting device in a natural gas station.
Background
Natural gas storage and distribution stations are important sites for the delivery of gasified liquefied natural gas to consumers, and are often equipped with multiple gasifiers, which are required to gasify large quantities of natural gas daily, and which generate a large amount of mist at the bottom during gasification. Meanwhile, because natural gas is flammable and explosive, the storage and distribution station is generally arranged in a closed mode, and air in the storage and distribution station is difficult to circulate, and is long in time, the storage and distribution station is generally filled with fog, and extremely low visibility causes great potential safety hazards to patrol and unloading operations of field station personnel.
Disclosure of Invention
The invention aims to provide a demisting device in a natural gasification station, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a defogging device in natural gas station, is including the natural gas transmission section of thick bamboo that is used for transmitting low temperature natural gas, natural gas transmission section of thick bamboo outside is equipped with the heating cabinet that is used for providing the heat, be equipped with the heat transfer spare that is used for increasing heat transfer area on the inside natural gas transmission section of thick bamboo of heating cabinet, the heating cabinet top is equipped with an installation bedplate, installation bedplate top is equipped with one and is used for carrying out the solar energy heating element of heat exchange with the heating cabinet, solar energy heating element passes through drain hose and the outside intercommunication of heating cabinet, be equipped with the circulating pump that is used for promoting fluid circulation to flow on the drain hose, be equipped with second thermometer and the first thermometer that is used for detecting the temperature in the natural gas transmission section of thick bamboo of heating cabinet both sides.
As a further scheme of the invention: the solar heating assembly comprises a heating box, the two ends of the heating box are fixedly connected with a transverse pipe, the transverse pipe is rotatably arranged on a supporting vertical plate, a rotating box is arranged at the outer end of each transverse pipe in a rotating mode, a connecting port used for connecting a liquid guiding hose is arranged on the outer side of each rotating box, a collecting lens used for focusing solar energy is arranged above each heating box, a fixing ring is arranged on the outer side of each collecting lens, each fixing ring is fixedly connected with the installation seat plate through a stand column, and an angle adjusting piece used for adjusting the installation seat plate is arranged between the installation seat plate and the heating box.
As a further scheme of the invention: the heating cabinet left surface is equipped with a second buffer disk, the heating cabinet right flank is equipped with a first buffer disk, be connected through a plurality of through-hole between heating cabinet and second buffer disk and the heating cabinet, all be equipped with the link that is used for connecting the drain hose on second buffer disk and the first buffer disk.
As a further scheme of the invention: the heating box is internally provided with a rotating blade and is made of metal materials.
As a further scheme of the invention: the outer surface of the heating box is coated with a black heat absorption layer.
As a further scheme of the invention: the angle adjusting part comprises three telescopic push rods distributed on the upper end of the heating box in an array mode, the output ends of the telescopic push rods are provided with supporting balls, the supporting balls are rotatably connected with spherical cavities on the lower sides of the fixing blocks, the fixing blocks are arranged at the bottoms of the mounting seat plates, and when the angle adjusting part is adjusted, the angle adjusting part stretches out and draws back through adjusting the corresponding telescopic push rods.
As a further scheme of the invention: the fixed ring outside array distribution has three photosensitive sensor, and three photosensitive sensor corresponds three telescopic push rod respectively, and every photosensitive sensor all is a sheet structure, and the level setting is in the fixed ring outside, photosensitive sensor and telescopic push rod electric connection controller.
As a further scheme of the invention: the heat transfer spare includes parallel arrangement's second rolling disc and first rolling disc, second rolling disc and first rolling disc adopt metal material to make, second rolling disc and first rolling disc outer end rotate with a natural gas transmission section of thick bamboo respectively and are connected, and the turned position sets up the sealing washer, array distribution has a plurality of heat transfer bleeder between second rolling disc and the first rolling disc.
As a further scheme of the invention: and a plurality of rotating blades are distributed on the outer sides of the first rotating disc and the second rotating disc in an array manner.
As a further scheme of the invention: be equipped with auxiliary heating member on the heating cabinet, auxiliary heating member is including setting up the heating seat in the heating cabinet outside, the output of heating seat is equipped with the heating rod that extends into in the heating cabinet.
Compared with the prior art, the invention has the beneficial effects that: this application designs to the drawback of current device, provides the heat source through designing the photovoltaic mode of heating to the mode of cooperation spotlight and angle modulation has improved the effect of heating, can guarantee to carry out effectual heating to the natural gas of gasification, thereby eliminates the fog problem, has also reduced the defogging cost, and the practicality is strong.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the structure of the lower side of the present invention.
Fig. 3 is a schematic view of the internal structure of the present invention.
Fig. 4 is a schematic structural view of the inner heat exchange member of the present invention.
Wherein: heating cabinet 11, natural gas transmission section of thick bamboo 12, first buffer dish 13, first thermometer 14, flexible push rod 15, support ball 16, drain hose 17, installation bedplate 18, rotatory case 19, violently pipe 20, support riser 21, stand 22, solid fixed ring 23, condensing lens 24, heating cabinet 25, circulating pump 26, second thermometer 27, second buffer dish 28, second rotating disk 29, rotor blade 30, heating seat 31, heating rod 32, heat transfer bleeder 33, first rotating disk 34.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1 to 4, in an embodiment of the present invention, a defogging device in a natural gas station includes a natural gas transmission tube 12 for transmitting low-temperature natural gas, a heating box 11 for providing heat is disposed outside the natural gas transmission tube 12, a heat exchange member for increasing a heat exchange area is disposed on the natural gas transmission tube 12 inside the heating box 11, an installation base plate 18 is disposed above the heating box 11, a solar heating assembly for exchanging heat with the heating box 11 is disposed above the installation base plate 18, the solar heating assembly is communicated with the outside of the heating box 11 through a liquid guiding hose 17, a circulating pump 26 for promoting a fluid to flow in a circulating manner is disposed on the liquid guiding hose 17, the heating box 11 is provided with heat energy through the solar heating assembly, so as to heat natural gas, and effectively save energy, a second thermometer 27 and a second thermometer 27 for detecting temperature are disposed in the natural gas transmission tube 12 on both sides of the heating box 11 A thermometer 14, so that the initial temperature and the final temperature of the natural gas can be detected for timely adjustment;
a second buffer disk 28 is arranged on the left side surface of the heating box 11, a first buffer disk 13 is arranged on the right side surface of the heating box 11, the second buffer disk 28 and the heating box 11 are connected through a plurality of through holes, and connecting ends for connecting the liquid guide hoses 17 are arranged on the second buffer disk 28 and the first buffer disk 13, so that liquid entering the first buffer disk 13 can be divided into a plurality of strands of fluid, and the uniformity of the temperature of the fluid in the heating box 11 is ensured;
the solar heating assembly comprises a heating box 25, two ends of the heating box 25 are fixedly connected with transverse pipes 20, the transverse pipes 20 are rotatably arranged on supporting vertical plates 21, a rotating box 19 is rotatably arranged at the outer end of each transverse pipe 20, a connecting port for connecting a liquid guide hose 17 is arranged on the outer side of each rotating box 19, a condenser 24 for focusing solar energy is arranged above each heating box 25, a fixing ring 23 is arranged on the outer side of each condenser 24, the fixing ring 23 is fixedly connected with an installation seat plate 18 through an upright post 22, light is collected through the condenser 24, so that the heating box 25 is heated, liquid in the heating box 25 obtains heat energy, and an angle adjusting piece for adjusting the installation seat plate 18 is arranged between the installation seat plate 18 and the heating box 11;
a rotating blade is arranged in the heating box 25, the heating box 25 is made of metal materials, and when liquid passes through the heating box 25, the heating box 25 can slowly rotate under the action of fluid, so that the surface of the heating box can be uniformly heated, and the fluid in the heating box can be uniformly heated;
the angle adjusting part comprises three telescopic push rods 15 distributed at the upper end of the heating box 11 in an array manner, the output end of each telescopic push rod 15 is provided with a supporting ball 16, the supporting balls 16 are rotatably connected with a spherical cavity at the lower side of a fixing block, the fixing block is arranged at the bottom of the mounting seat plate 18, when the angle adjusting part is used for adjusting the angle of the sun by adjusting the corresponding telescopic push rod 15, so that the angle of the sun can be adjusted, the photovoltaic heating effect is ensured, three photosensitive sensors are distributed at the outer side of the fixing ring 23 in an array manner and respectively correspond to the three telescopic push rods 15, each photosensitive sensor is of a sheet structure and horizontally arranged at the outer side of the fixing ring 23, the photosensitive sensors and the telescopic push rods 15 are electrically connected with a controller, and therefore, the condenser 24 can be perpendicular to light rays only when the illumination intensity received by the three photosensitive sensors is always, this provides a reference for adjustment;
the heat exchange part comprises a second rotating disc 29 and a first rotating disc 34 which are arranged in parallel, the second rotating disc 29 and the first rotating disc 34 are made of metal materials, the outer ends of the second rotating disc 29 and the first rotating disc 34 are respectively connected with the natural gas transmission cylinder 12 in a rotating mode, a sealing ring is arranged at the rotating position, and a plurality of heat exchange branch pipes 33 are distributed between the second rotating disc 29 and the first rotating disc 34 in an array mode, so that natural gas is transmitted into the first rotating disc 34 and then divided into a plurality of strands of airflow to be transmitted along the heat exchange branch pipes 33, then the airflow enters the second rotating disc 29, and finally the airflow is discharged from the natural gas transmission cylinder 12 on the left side, and the heat exchange area is effectively increased by dividing natural gas with larger diameter;
a plurality of rotating blades 30 are distributed on the outer side of the second rotating disc 29 in an array manner, so that when water flow in the heating box 11 is transmitted, the second rotating disc 29 and the first rotating disc 34 rotate under the driving of fluid, and the heat exchange branch pipe 33 is driven to rotate, so that the heat exchange branch pipe 33 disturbs natural gas in the heating box 11, and the heat dissipation effect is effectively improved;
be equipped with auxiliary heating on the heating cabinet 11, auxiliary heating is including setting up the heating seat 31 in the heating cabinet 11 outside, the output of heating seat 31 is equipped with the heater rod 32 that extends into in the heating cabinet 11, and when in actual use, when the heat was not enough in the heating cabinet 11, the heater rod 32 can be switched on and generate heat to produce heat energy and cool down the inside natural gas of a natural gas transmission section of thick bamboo 12.
The working principle of the invention is as follows: in practical use, the gasified low-temperature natural gas is conveyed along the natural gas conveying cylinder 12, the natural gas is conveyed into the first rotating disc 34 and then is divided into a plurality of air flows to be conveyed along the heat exchange branch pipe 33, then the air flows enter the second rotating disc 29, and finally the natural gas is discharged from the natural gas conveying cylinder 12 on the left side, the natural gas with a larger diameter is divided, so that the heat exchange area is effectively increased, liquid in the heating box 11 continuously enters the heating box 25 under the action of the circulating pump 26, the rotating blades drive the heating box 25 to rotate under the pushing of the liquid, so that the light focused by the condenser lens 24 can heat the periphery of the heating box 25, the liquid in the heating box 25 is uniformly heated, the light is focused by the condenser lens 24, so that more heat sources are obtained for heating, and when the adjustment is carried out, the corresponding telescopic push rod 15 is adjusted to stretch, just so can adjust to the sun angle, guarantee the photovoltaic effect of heating, carry out the temperature through second thermometer 27 and first thermometer 14 at natural gas transmission section of thick bamboo 12 both ends and detect, when unsatisfied the requirement after the cooling, can improve the liquid flow rate through circulating pump 26 to improve the heat transfer effect, also can heat through heating rod 32, thereby further improve the difference in temperature, in order to improve the heat transfer effect.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.
Claims (10)
1. A demisting device in a natural gas station comprises a natural gas transmission cylinder (12) for transmitting low-temperature natural gas, wherein a heating box (11) for providing heat is arranged on the outer side of the natural gas transmission cylinder (12);
the solar heating device is characterized in that a heat exchange piece used for increasing the heat exchange area is arranged on a natural gas transmission cylinder (12) inside a heating box (11), an installation base plate (18) is arranged above the heating box (11), a solar heating assembly used for exchanging heat with the heating box (11) is arranged above the installation base plate (18), the solar heating assembly is communicated with the outer side of the heating box (11) through a liquid guide hose (17), a circulating pump (26) used for promoting fluid circulation flow is arranged on the liquid guide hose (17), and a second thermometer (27) and a first thermometer (14) used for detecting the temperature are arranged in the natural gas transmission cylinders (12) on the two sides of the heating box (11).
2. The natural gas station demisting device according to claim 1, wherein the solar heating assembly comprises a heating box (25), two ends of the heating box (25) are fixedly connected with transverse pipes (20), the transverse pipes (20) are rotatably arranged on supporting vertical plates (21), the outer end of each transverse pipe (20) is rotatably provided with a rotating box (19), a connecting port for connecting a liquid guiding hose (17) is arranged on the outer side of each rotating box (19), a condenser lens (24) for focusing solar energy is arranged above the heating box (25), a fixing ring (23) is arranged on the outer side of each condenser lens (24), the fixing ring (23) is fixedly connected with the installation seat plate (18) through a vertical column (22), and an angle adjuster for adjusting the installation seat plate (18) is arranged between the installation seat plate (18) and the heating box (11).
3. The natural gas station demisting device according to claim 2, wherein a second buffer tray (28) is disposed on the left side of the heating box (11), a first buffer tray (13) is disposed on the right side of the heating box (11), the heating box (11) and the second buffer tray (28) are connected with the heating box (11) through a plurality of through holes, and connecting ends for connecting the liquid guide hoses (17) are disposed on the second buffer tray (28) and the first buffer tray (13).
4. The natural gas station defogging device according to claim 2, wherein a rotating blade is disposed inside the heating box (25), and the heating box (25) is made of a metal material.
5. The natural gas station defogging device according to claim 4, wherein the outer surface of said heating box (25) is coated with a black heat absorbing layer.
6. The natural gas station demisting device according to claim 2, wherein the angle adjusting member comprises three telescopic push rods (15) distributed at the upper end of the heating box (11) in an array, the output end of the telescopic push rods (15) is provided with a support ball (16), the support ball (16) is rotatably connected with a spherical cavity at the lower side of a fixed block, the fixed block is arranged at the bottom of the mounting base plate (18), and when the adjustment is performed, the corresponding telescopic push rods (15) are adjusted to be telescopic.
7. The natural gasification station defogging device according to claim 6, wherein three photosensitive sensors are distributed on the outer side of the fixing ring (23) in an array manner, the three photosensitive sensors correspond to the three telescopic push rods (15), each photosensitive sensor is of a sheet structure and is horizontally arranged on the outer side of the fixing ring (23), and the photosensitive sensors and the telescopic push rods (15) are electrically connected with the controller.
8. The natural gas station demisting device as claimed in claim 1, wherein the heat exchange member includes a second rotating disk (29) and a first rotating disk (34) which are arranged in parallel, the second rotating disk (29) and the first rotating disk (34) are made of metal materials, the outer ends of the second rotating disk (29) and the first rotating disk (34) are respectively connected with the natural gas transmission cylinder (12) in a rotating manner, a sealing ring is arranged at the rotating position, and a plurality of branch heat exchange pipes (33) are distributed between the second rotating disk (29) and the first rotating disk (34) in an array manner.
9. The natural gasification station defogging device as recited in claim 8, wherein a plurality of rotating blades (30) are distributed on the outer side of the first rotating disk (34) and the second rotating disk (29).
10. The natural gas station defogging device according to claim 1, wherein an auxiliary heating element is arranged on the heating box (11), the auxiliary heating element comprises a heating seat (31) arranged outside the heating box (11), and the output end of the heating seat (31) is provided with a heating rod (32) extending into the heating box (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210456076.XA CN114811974A (en) | 2022-04-28 | 2022-04-28 | Demisting device in natural gasification station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210456076.XA CN114811974A (en) | 2022-04-28 | 2022-04-28 | Demisting device in natural gasification station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114811974A true CN114811974A (en) | 2022-07-29 |
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ID=82509457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210456076.XA Pending CN114811974A (en) | 2022-04-28 | 2022-04-28 | Demisting device in natural gasification station |
Country Status (1)
| Country | Link |
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| CN (1) | CN114811974A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114322607A (en) * | 2022-01-10 | 2022-04-12 | 芜湖科立云智能制造有限公司 | Energy-efficient natural gas indirect heating equipment |
-
2022
- 2022-04-28 CN CN202210456076.XA patent/CN114811974A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114322607A (en) * | 2022-01-10 | 2022-04-12 | 芜湖科立云智能制造有限公司 | Energy-efficient natural gas indirect heating equipment |
| CN114322607B (en) * | 2022-01-10 | 2023-12-29 | 芜湖科立云智能制造有限公司 | Efficient energy-saving natural gas heat exchange equipment |
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