CN116293618A - Energy-saving gas steam boiler - Google Patents
Energy-saving gas steam boiler Download PDFInfo
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- CN116293618A CN116293618A CN202310169226.3A CN202310169226A CN116293618A CN 116293618 A CN116293618 A CN 116293618A CN 202310169226 A CN202310169226 A CN 202310169226A CN 116293618 A CN116293618 A CN 116293618A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 103
- 239000007789 gas Substances 0.000 claims abstract description 40
- 239000003546 flue gas Substances 0.000 claims abstract description 31
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000000112 cooling gas Substances 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 29
- 239000010959 steel Substances 0.000 claims description 29
- 238000005192 partition Methods 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims 6
- 241001330002 Bambuseae Species 0.000 claims 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 6
- 239000011425 bamboo Substances 0.000 claims 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B31/00—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements of dispositions of combustion apparatus
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- 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
- F22B37/26—Steam-separating arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- 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
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- 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
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses an energy-saving gas steam boiler which comprises a boiler body, a planar premixed water-cooling gas burner arranged at the front end of the boiler body and a dual-function energy saver arranged at the rear part of the boiler body, wherein the gas outlet side of the planar premixed water-cooling gas burner is connected with a boiler liner, the outlet side of the boiler liner is connected with a high Wen Nachi heat exchange tube, the dual-function energy saver is composed of a water chamber, a flue gas inner fin heat exchange tube arranged on the water chamber and an air inner fin heat exchange tube arranged on the water chamber, the upper part of the boiler barrel is provided with a vertical steam-water separator, and the gas outlet end of the vertical steam-water separator is provided with a steam main pipeline for conveying steam. The inventionNO in the explicitly generated flue gas X ＜30mg/m 3 The flue gas treatment equipment at the tail part of the boiler is saved, the volume of the boiler is reduced, and the running cost of the boiler is reduced.
Description
Technical Field
The invention belongs to the technical field of steam boilers, and particularly relates to an energy-saving gas steam boiler.
Background
The boiler is an energy conversion device, the energy input to the boiler is chemical energy, electric energy and the like in fuel, the boiler outputs steam, high temperature water or organic heat carrier with certain heat energy, and the boiler is very important heat energy power equipment due to the requirements of factory production, living heating and hot water supply, and has very wide application range, such as food manufacturing industry, textile industry, medicine industry, rubber industry and the like.
The gas steam boiler is a boiler which utilizes gas combustion to heat water supply to be changed into steam, and the existing gas steam boiler cannot fully utilize high-temperature flue gas generated by gas combustion, so that energy waste is caused; carbon dioxide and NO in the running process of the existing gas steam boiler X The gas is discharged more, which causes environmental pollution to a certain extent; the existing gas steam boiler has larger design size and higher production and operation costs. Therefore, it is necessary to design an energy-saving gas-steam boiler, which fully utilizes the heat generated by gas combustion, reduces the operation cost of the boiler and reduces the emission of waste gas, and the energy-saving gas-steam boiler has become a technical problem to be solved by those skilled in the art.
Disclosure of Invention
The invention solves the technical problem of providing an energy-saving gas steam boiler which can realize the full life cycleCarbon emission is reduced, on one hand, steel consumption for the boiler is reduced in the manufacturing process of the boiler, so that carbon dioxide emission in the steelmaking process is reduced; on the other hand, energy is kept to be efficiently utilized in the operation process of the boiler so as to reduce the emission of carbon dioxide in the use process of the boiler; at the same time, NO in the flue gas generated by the gas steam boiler X ＜30mg/m 3 The flue gas treatment equipment at the tail part of the boiler is saved, the volume of the boiler is reduced, and the running cost of the boiler is reduced.
The invention adopts the following technical scheme for solving the technical problems, the energy-saving gas steam boiler is characterized by comprising a boiler body, a planar premixed water-cooling gas burner arranged at the front end of the boiler body and a dual-function energy saver arranged at the rear part of the boiler body, wherein the boiler body consists of a boiler barrel, a boiler barrel front arched tube plate arranged at the front end of the boiler barrel and a boiler barrel rear arched tube plate arranged at the rear end of the boiler barrel, the gas inlet side of the planar premixed water-cooling gas burner is connected with a gas pipeline and a hot air pipeline, the gas outlet side of the planar premixed water-cooling gas burner is connected with a boiler liner, the outlet of the boiler liner is connected with a high Wen Nachi heat exchange tube which is sealed and penetrates through the rear tube plate of the boiler liner, the other end of the high Wen Nachi heat exchange tube is sealed and communicated with a flue arranged at the rear end of the boiler body, the flue is provided with a dual-function energy saver, the dual-function energy saver consists of a water chamber, a heat exchange tube arranged in flue gas and a heat exchange fin arranged on the boiler barrel, and a water inlet fin arranged on the water chamber, a water inlet end of the water chamber is connected with the boiler barrel, a water inlet of the dual-function energy saver is connected with the boiler water inlet pipe, the water inlet pipe is connected with the inlet pipe of the boiler tube is connected with the heat exchange fin, the heat exchange tube is connected with the air fin arranged in the air inlet pipe and the air fin arranged on the air inlet pipe, and the air fin is connected with the air inlet end of the air pipe, and the air inlet pipe is connected with the vertical fin heat exchange tube and the air inlet pipe and the air pipe.
Further limited, a first vertical steam-water separator and a second vertical steam-water separator are arranged on the top of the boiler barrel in parallel, a first safety valve and an electric contact pressure gauge are arranged on the upper portion of the first vertical steam-water separator, a second safety valve is arranged on the upper portion of the second vertical steam-water separator, the air outlet ends of the first vertical steam-water separator and the second vertical steam-water separator are respectively connected with a main steam pipeline through steam pipelines, an electric contact water level gauge is arranged on the first vertical steam-water separator, and an electric contact water level gauge is arranged on the second vertical steam-water separator.
Further defined, at least one drum baffle is disposed within the drum.
Further limited, the bottoms of the flue and the chimney are provided with condensed water discharge pipes.
Further defined, a drain pipe is arranged at the bottom of the inner side of the boiler barrel.
Further limited, the high-temperature inner fin heat exchange tube, the flue gas inner fin heat exchange tube and the air inner fin heat exchange tube are all composed of steel tubes and aluminum alloy inner fins arranged on the inner walls of the steel tubes, heat-resistant steel baffles on the inner walls of the steel tubes are arranged on the flue gas inlet sides of the high-temperature inner fin heat exchange tubes, and metal stop blocks on the inner walls of the steel tubes are arranged on the outlet sides of the high-temperature inner fin heat exchange tubes.
Further limited, the front arched tube plate of the boiler barrel and the rear arched tube plate of the boiler barrel are both composed of a tube plate plane section, a tube plate arc transition section arranged on the periphery of the tube plate plane section and a tube plate annular straight section arranged on the periphery of the tube plate arc transition section.
Compared with the prior art, the invention has the following beneficial effects:
1. the application of the middle plane premixing water-cooling gas burner shortens the burning flame, the flame length is about 200mm, and the length of the furnace can be effectively shortened; at the same time, the combustion temperature is about 1250 ℃, and NO in the flue gas generated by combustion X ＜30mg/m 3 The flue gas treatment equipment at the tail part of the boiler is omitted, the volume of the boiler is reduced, and the running cost of the boiler is reduced;
2. the application of the high-efficiency inner fin heat exchange tube can improve the heat exchange coefficient by 6-8 times, greatly shorten the length of a smoke tube of the boiler, reduce the length of a boiler barrel and reduce the consumption of steel for the boiler;
3. according to the invention, the boiler body and the dual-function energy saver are integrally designed, the boiler barrel partition plate is additionally arranged at the rear part of the boiler barrel to replace a common primary energy saver outside the boiler body, and when the boiler body is designed into a return structure, the exhaust gas temperature of the boiler body can be reduced to 140-150 ℃, meanwhile, the diameter of the boiler barrel is reduced, and the consumption of steel for the boiler is reduced;
4. the invention relates to an application of two or more vertical steam-water separators and a boiler barrel integrated design on a gas boiler, which reduces the diameter of the boiler barrel, reduces the water volume of the boiler, shortens the starting time of the boiler and saves the fuel consumption during the starting of the boiler;
5. according to the invention, the boiler barrel, the vertical steam-water separator and the electric contact water level gauge are integrally designed, the electric contact water level gauge water connecting pipe is connected with the boiler barrel, and the steam connecting pipe is connected with the vertical steam-water separator, so that the indication length and accuracy of the electric contact water level gauge are improved;
6. according to the invention, the boiler energy-saving device and the air preheater are integrally designed, so that one energy-saving device has two functions, the flue gas on the left side transfers the heat of the flue gas to softened water through the flue gas inner fin heat exchange tube to play the role of the energy-saving device, and the air on the right side transfers the heat of the softened water to the air through the air inner fin heat exchange tube to play the role of the air preheater, and the air preheater is shown in fig. 1; the structure of the flue gas inner fin heat exchange tube and the air inner fin heat exchange tube is shown in figure 2; thereby greatly reducing the volume of the heating surface at the tail part of the boiler and reducing the consumption of steel for the boiler;
7. the application of the middle plane premixed water-cooling gas burner, the high-efficiency inner fin heat exchange tube, the arched tube plate and the double-function energy saver to the gas boiler simplifies the structure of the boiler, reduces the volume and water volume of the boiler, shortens the starting time of the boiler, improves the utilization efficiency of gas and can reduce the exhaust temperature of the boiler to below 70 ℃;
8. according to the invention, the heat-resistant steel baffle is additionally arranged at the end part of the high-temperature inner fin heat exchange tube at the inlet side of high-temperature flue gas, the circumference is 13-15mm away from the inner wall of the steel tube, and the lugs at the upper end and the lower end are welded with the inner wall of the steel tube, so that the inlet flue gas temperature of the high-temperature inner fin heat exchange tube can reach 1100 ℃, the length of a furnace liner can be shortened, and the burning of aluminum inner fins can be prevented;
9. according to the invention, the metal stop block is additionally arranged at the smoke outlet of the high Wen Nachi heat exchange tube, the size is 5mm multiplied by 10mm, 2-3 blocks are circumferentially arranged and welded with the inner wall of the steel tube, so that the aluminum inner fin can be prevented from moving backwards, and the heat exchange efficiency of the high-temperature inner fin heat exchange tube is ensured.
10. The front tube plate and the rear tube plate of the boiler barrel of the gas steam boiler adopt the arched tube plates, so that the use of a pull-up support of the boiler barrel is avoided, the structure of the boiler is simplified, the steel consumption is reduced, and the manufacturing efficiency of the boiler is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a transverse cross-sectional view of a high efficiency inner fin heat exchange tube of the present invention;
FIG. 3 is a longitudinal cross-sectional view of a high temperature inner fin heat exchange tube according to the present invention (left side is high temperature flue gas inlet side);
FIG. 4 is a schematic view of the front end portion of the high temperature inner fin heat exchange tube according to the present invention;
FIG. 5 is a schematic view of the arched tube sheet of the boiler according to the present invention.
In the figure: the device comprises a 1-gas pipeline, a 2-plane premixing water-cooling gas burner, a 3-drum front arched tube plate, a 4-furnace liner, a 5-electric joint water level gauge I, a 6-electric joint pressure gauge, a 7-vertical steam-water separator I, an 8-safety valve I, a 9-steam main pipeline, a 10-safety valve II, a 11-vertical steam-water separator II, a 12-electric joint water level gauge II, a 13-drum, a 14-high temperature inner fin heat exchange tube, a 15-baffle (baffle), a 16-drum rear arched tube plate, a 17-flue, a 18-dual-function energy-saving device water outlet, a 19-flue gas inner fin heat exchange tube, a 20-air inner fin heat exchange tube, a 21-dual-function energy-saving device, a 22-hot air pipeline, a 23-dual-function energy-saving device water inlet pipe, a 24-condensed water outlet pipe, a 25-blow-down pipe, a 26-boiler water inlet pipe, a 27-furnace liner rear tube plate, a 28-steel pipe, a 29-aluminum alloy inner fin, a 30-heat-resistant steel baffle, a 31-metal stop block, a 32-tube plate annular straight section, a 33-arc transition section and a 34-tube plate plane section.
Description of the embodiments
The technical scheme of the invention is described in detail by referring to the accompanying drawings, as shown in fig. 1, the energy-saving gas steam boiler is characterized by comprising a boiler body, a planar premixed water-cooled gas burner 2 arranged at the front end of the boiler body and a dual-function economizer 21 arranged at the rear end of the boiler body, wherein the boiler body is composed of a boiler drum 13, a boiler drum front arched tube plate 3 arranged at the front end of the boiler drum 13 and a boiler drum rear arched tube plate 16 arranged at the rear end of the boiler drum 13, the gas inlet side of the planar premixed water-cooled gas burner 2 is connected with a gas pipeline 1 and a hot air pipeline 22, the gas outlet side of the planar premixed water-cooled gas burner 2 is connected with a boiler liner 4, an outlet of the boiler liner 4 is connected with a high Wen Nachi heat exchange tube 14 which penetrates through a boiler liner rear tube plate 27 in a sealing manner, the other end of the high temperature inner fin heat exchange tube 14 is connected with a flue 17 arranged at the rear end of the boiler body in a sealing manner, the dual-function economizer 21 is arranged on the flue 17, the dual-function economizer 21 is composed of a water chamber, an inner fin heat exchange tube 19 arranged on the water chamber and an air inner fin heat exchange tube 20 arranged on the boiler drum, the air inner fin heat exchange tube is arranged on the water chamber, the air inner fin heat exchange tube is connected with the water inlet tube 19 is arranged on the water inlet end of the boiler, the boiler tube is connected with the air inlet tube 19, the air inlet tube is connected with the air inlet tube is provided with the air inlet tube 19, the air inlet tube is connected with the air inlet tube end of the air inlet tube and the air inlet tube, and the air tube is connected with the air inlet tube, and the air inlet tube is connected with the air inlet tube and the air heater is the air heater.
The top of the boiler barrel 13 is provided with a first vertical steam-water separator 7 and a second vertical steam-water separator 11 which are arranged in parallel, the upper part of the first vertical steam-water separator 7 is provided with a first safety valve 8 and an electric contact pressure gauge 6, the upper part of the second vertical steam-water separator 11 is provided with a second safety valve 10, the air outlet ends of the first vertical steam-water separator 7 and the second vertical steam-water separator 11 are respectively connected with a main steam pipeline 9 through steam pipelines, the first vertical steam-water separator 7 is provided with an electric contact water level gauge 5, and the second vertical steam-water separator 11 is provided with an electric contact water level gauge 12.
At least one drum partition plate is arranged in the drum 13, and in the embodiment shown in fig. 1, a drum partition plate 15 for realizing water baffling is arranged in the drum 13 along the water flow direction.
The bottom of the flue 17 and the chimney of the invention are provided with a condensed water discharge pipe 24; a drain pipe 25 is arranged at the bottom of the inner side of the boiler barrel 13.
The high-temperature inner fin heat exchange tube 14, the flue gas inner fin heat exchange tube 19 and the air inner fin heat exchange tube 20 are all composed of a steel tube 28 and aluminum alloy inner fins 29 arranged on the inner wall of the steel tube 28, a heat-resistant steel baffle 30 on the inner wall of the steel tube 28 is arranged on the high-temperature flue gas inlet side of the high-temperature inner fin heat exchange tube 14, a metal baffle 31 on the inner wall of the steel tube 28 is arranged on the outlet side, the circumference of the heat-resistant steel baffle 30 is 13-15mm away from the inner wall of the steel tube, the aluminum alloy inner fins 29 can not be burnt out when the flue gas temperature is 1100 ℃, the size of the metal baffle 31 is 5mm multiplied by 10mm, 2-3 blocks are circumferentially arranged, and the heat-resistant steel baffle is welded with the inner wall of the steel tube 28 to prevent the aluminum alloy inner fins 29 from shifting.
The front arched tube plate 3 and the rear arched tube plate 16 of the boiler are both composed of an arched tube plate plane section 34, a tube plate arc transition section 33 arranged at the periphery of the tube plate plane section 34, and a tube plate annular straight section 32 arranged at the periphery of the tube plate arc transition section 33.
The specific use process of the invention is as follows:
smoke and wind flow path: the air enters the air inner fin heat exchange tube 20 from the lower end of the right side of the dual-function energy saver 21, and the hot air after heat exchange with softened water in the dual-function energy saver 21 enters the planar premixing water-cooling burner 2 through the hot air pipeline 22; the fuel gas enters the plane premixing water-cooling burner 2 from the fuel gas pipeline 1, high-temperature flue gas generated by the combustion of the plane premixing water-cooling burner 2 exchanges heat in the furnace liner 4 and then enters the high Wen Nachi heat exchange tube 14 for heat exchange, and meanwhile, the flue gas heats the boiler water in the boiler barrel 13 through the furnace liner 4 and the high-temperature inner fin heat exchange tube 14; the flue gas flowing out of the high Wen Nachi heat exchange tube 14 enters the left side of the double-function energy-saving device 21 through the flue 17, softened water in the double-function energy-saving device 21 is heated through the flue gas inner fin heat exchange tube 19, and the softened water automatically flows to the right side to heat air in the air inner fin heat exchange tube 20 due to the effect of temperature difference; condensed water drops in the flue gas are separated under the action of gravity and centrifugal force, fall to the lower part of the flue, and are discharged to the outside of the furnace through a condensed water discharge pipe 24; the flue gas passing through the flue gas inner fin heat exchange tube 19 is discharged into the atmosphere through a chimney.
The water vapor flow is as follows: the softened water enters the double-functional energy economizer 21 from the water inlet pipe 23 of the double-functional energy economizer, is heated by the flue gas inner fin heat exchange pipe 19 and simultaneously heats air through the air inner fin heat exchange pipe 20, then enters a low temperature area at the rear part of the boiler drum 13 (the low temperature area formed by the boiler drum partition 15, the boiler drum rear arched tube plate 16 and the boiler drum wall in the rear part of the boiler drum) through the water outlet 18 of the double-functional energy economizer, and enters a high temperature area at the front part of the boiler drum 13 (the high temperature area is formed by the boiler drum partition 15, the boiler drum front arched tube plate 3 and the boiler drum wall in the surrounding way) through the upper part of the boiler drum partition 15 (a gap of 100-120mm is reserved between the upper part of the boiler drum partition 15 and the boiler drum wall) after being heated by the high temperature inner fin heat exchange pipe 14; after entering the boiler barrel, the softened water is also called boiler water; the boiler water in the high temperature area in the front of the boiler barrel 13 flows downwards along the wall of the boiler barrel, and forms a steam-water mixture in the middle of the high temperature area to flow upwards after being heated by the high temperature inner fin heat exchange tube 14 and the boiler liner 4, and enters the first vertical steam-water separator 7 and the second vertical steam-water separator 11, the separated steam is gathered to the main steam pipe 9 along the air outlet pipe and is sent to the outside of the boiler, and the separated boiler water is heated again along the wall of the boiler barrel to the lower part of the boiler barrel 13, and the circulation is repeated; the water level of the boiler barrel 13 is indicated by a first electric contact water level gauge 5 (a water level gauge water connecting pipe is communicated with the boiler barrel, a steam connecting pipe is communicated with a vertical steam-water separator) and a second electric contact water level gauge 12; when the boiler barrel is in overpressure, the pressure is relieved by a first safety valve 8 and a second safety valve 10 which are arranged on a first vertical steam-water separator 7 and a second vertical steam-water separator 11, and the pressure gauge 6 of an electric contact point indicates the pressure in the boiler barrel; the water slag formed after the evaporation of the boiler water is discharged out of the boiler through a drain pipe 25.
While the basic principles of the invention have been shown and described, there are various changes and modifications to the invention, which fall within the scope of the invention as hereinafter claimed, without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides an energy-saving gas steam boiler, a serial communication port, characterized by includes the boiler body, the plane of setting in boiler body front end mixes water-cooling gas burner and set up the dual-function energy-saving appliance at boiler body rear portion, wherein the boiler body comprises a boiler section of thick bamboo and a boiler section of thick bamboo front arch tube sheet of setting up in boiler section of thick bamboo front end and a boiler section of thick bamboo rear arch tube sheet of setting up in boiler section of thick bamboo rear end, the inlet side of plane mixes water-cooling gas burner is connected with gas pipeline and hot-blast pipeline, the side of giving vent to anger of plane mixes water-cooling gas burner is connected with the boiler courage, the exit linkage of boiler courage has the high Wen Nachi heat exchange tube of sealing through boiler courage rear tube sheet, this high Wen Nachi heat exchange tube other end seals and runs through boiler section of thick bamboo rear arch tube sheet and be linked together with the flue of setting up in boiler body rear end, be equipped with dual-function energy-saving appliance on the flue, be equipped with dual-function energy-saving appliance by the hydroecium, be equipped with dual-function energy-saving appliance inlet tube on the water inlet end and the flue in the hydroecium, the delivery pipe is connected with boiler inlet tube and hot-air tube, the inlet tube of the boiler inlet tube is connected with the inlet tube of boiler inlet tube, the inlet tube is connected with the inlet tube of steam pipe, the inlet tube is connected with the vertical air inlet tube of steam-air, the steam air is connected with the air inlet end of the steam-air heat exchanger.
2. The energy-efficient gas steam boiler according to claim 1, wherein: the top of the boiler barrel is provided with a first vertical steam-water separator and a second vertical steam-water separator which are arranged in parallel, the upper part of the first vertical steam-water separator is provided with a first safety valve and an electric contact pressure gauge, the upper part of the second vertical steam-water separator is provided with a second safety valve, the air outlet ends of the first vertical steam-water separator and the second vertical steam-water separator are respectively connected with a steam main pipeline through steam pipelines, the first vertical steam-water separator is provided with an electric contact water level gauge, and the second vertical steam-water separator is provided with an electric contact water level gauge.
3. The energy-efficient gas steam boiler according to claim 1, wherein: at least one drum partition board is arranged in the drum.
4. The energy-efficient gas steam boiler according to claim 1, wherein: and condensed water discharge pipes are arranged at the bottoms of the flue and the chimney.
5. The energy-efficient gas steam boiler according to claim 1, wherein: a drain pipe is arranged at the bottom of the inner side of the boiler barrel.
6. The energy-efficient gas steam boiler according to claim 1, wherein: the high-temperature inner fin heat exchange tube, the flue gas inner fin heat exchange tube and the air inner fin heat exchange tube are all composed of a steel tube and aluminum alloy inner fins arranged on the inner wall of the steel tube, a heat-resistant steel baffle is arranged on the inlet side of the high-temperature inner fin heat exchange tube, and a metal stop block on the inner wall of the steel tube is arranged on the outlet side of the high-temperature inner fin heat exchange tube.
7. The energy-efficient gas steam boiler according to claim 1, wherein: the front arched tube plate of the boiler barrel and the rear arched tube plate of the boiler barrel are both composed of a tube plate plane section, a tube plate arc transition section arranged on the periphery of the tube plate plane section and a tube plate annular straight section arranged on the periphery of the tube plate arc transition section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310169226.3A CN116293618A (en) | 2023-02-27 | 2023-02-27 | Energy-saving gas steam boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310169226.3A CN116293618A (en) | 2023-02-27 | 2023-02-27 | Energy-saving gas steam boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116293618A true CN116293618A (en) | 2023-06-23 |
Family
ID=86779068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310169226.3A Pending CN116293618A (en) | 2023-02-27 | 2023-02-27 | Energy-saving gas steam boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116293618A (en) |
-
2023
- 2023-02-27 CN CN202310169226.3A patent/CN116293618A/en active Pending
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