CN109556102B - Double-steam boiler - Google Patents
Double-steam boiler Download PDFInfo
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- CN109556102B CN109556102B CN201811640073.1A CN201811640073A CN109556102B CN 109556102 B CN109556102 B CN 109556102B CN 201811640073 A CN201811640073 A CN 201811640073A CN 109556102 B CN109556102 B CN 109556102B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 208
- 238000003860 storage Methods 0.000 claims abstract description 87
- 238000002485 combustion reaction Methods 0.000 claims abstract description 65
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 238000012546 transfer Methods 0.000 claims abstract description 14
- 238000007667 floating Methods 0.000 claims description 15
- 230000009977 dual effect Effects 0.000 claims description 9
- 239000011229 interlayer Substances 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 5
- 239000008234 soft water Substances 0.000 claims description 4
- 239000010410 layer Substances 0.000 claims 1
- 239000000446 fuel Substances 0.000 abstract description 6
- 239000007789 gas Substances 0.000 abstract description 4
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 239000002918 waste heat Substances 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
-
- 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
- F22B31/08—Installation of heat-exchange apparatus or of means in boilers for heating air supplied for combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B35/00—Control systems for steam boilers
- F22B35/008—Control systems for two or more steam generators
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Abstract
The invention discloses a double-steam boiler, which comprises a first boiler, a second boiler, a water storage tank and a burner, wherein a combustion tube is arranged at the middle lower part in the first boiler, the bottom end port of the combustion tube is connected with the burner, and the top end port of the combustion tube is connected with a combustion chamber; the top of the combustion chamber is provided with a heat transfer pipeline extending out of the first boiler body, the other end of the heat transfer pipeline extends into the second boiler and is connected with a heating coil in the second boiler, and the other end of the heating coil extends out of the second boiler body and is connected with a blower; the water storage tank is connected with the water storage cavities in the first boiler and the second boiler through corresponding pipelines, and is also connected with an external water source. The invention fully utilizes the combustion waste heat of energy sources in the first boiler, improves the heat efficiency of the boiler, greatly reduces the fuel consumption in the combustion chamber, reduces the exhaust gas temperature, and has the outstanding characteristics of energy conservation and environmental protection.
Description
Technical Field
The invention relates to the technical field of boiler manufacturing, in particular to a double-steam boiler.
Background
The boiler is an energy conversion device, and in particular, a heat energy conversion device which heats water in the boiler by inputting energy to the boiler through fuel combustion and enables the water to be vaporized into steam. The water is continuously heated in the boiler by the energy released by combustion of the fuel in the boiler, the temperature is increased, and steam with pressure is generated, so that the water forms thermodynamic force, and the water is widely used as an energy source in industrial production and people living.
Although the steam boiler belongs to a combustion energy supply system which is widely applied, the existing steam boiler has the defects of high energy consumption and low heat energy utilization rate. Along with the continuous progress of science and technology, the quality of life level of people is increasingly improved, the demand for energy is also increasingly greater, energy conservation and emission reduction become a long-term guideline for the economic and social development of China, and in the field of boiler manufacturing, the energy conservation and consumption reduction technology of boilers is researched, consumption reduction measures are provided pertinently, the energy utilization rate is improved, an effective way for realizing sustainable development is realized, and the method has important social significance.
Therefore, it is a problem that a person skilled in the art needs to solve how to improve the structure of the existing steam boiler to overcome the above-mentioned drawbacks.
Disclosure of Invention
In view of this, the present invention provides a dual steam boiler having a series of advantages of low energy consumption, high heat utilization rate, low running cost, etc.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the double-steam boiler comprises a steam boiler, a water storage tank and a burner for injecting flame into the steam boiler, wherein the steam boiler comprises a first boiler and a second boiler, a combustion pipe is arranged at the middle lower part in the first boiler body, the bottom end port of the combustion pipe is connected with the burner, the top end port of the combustion pipe is connected with a combustion chamber, and the interlayer area between the outer wall of the combustion chamber and the inner wall of the first boiler body is a water storage cavity I;
the top of the combustion chamber is provided with a heat transfer pipeline extending out of the first boiler body, the other end of the heat transfer pipeline extends into the second boiler and is connected with a heating coil pipe in the second boiler, the other end of the heating coil pipe extends out of the second boiler body and is connected with a blower, and a water storage cavity II is formed between the outer wall of the heating coil pipe and the interlayer area of the inner wall of the second boiler body;
the lower parts of the first water storage cavity and the second water storage cavity are respectively provided with a water inlet, and the upper parts of the first water storage cavity and the second water storage cavity are respectively provided with a steam outlet; the water storage tank is connected with the water inlet of the first water storage cavity through a first water supply pipe and is connected with the water inlet of the second water storage cavity through a second water supply pipe;
the water storage tank is connected with an external water source.
By adopting the technical scheme, the technology that the existing steam boiler is only provided with one main boiler structure is improved, and by arranging the double-boiler system, the second boiler guides the high-temperature flue gas originally discharged in the first boiler to continue to use by the blower, and secondary heat energy conversion is carried out to generate steam with pressure. By the design, the combustion waste heat of energy sources in the first boiler is fully utilized, the heat efficiency of the boiler is improved, the consumption of fuel in the combustion chamber is greatly reduced, the exhaust gas temperature is reduced, and the energy-saving and environment-friendly outstanding characteristics are achieved.
Preferably, the burner tube is a "z" type burner tube.
The beneficial effects are that: the burner tube is used to propagate the combustible gas flame within the burner and direct it into the combustion chamber of the first boiler. The invention designs the combustion tube as a z-shaped pipeline formed by two 90-degree bent pipes, and aims to supply the gas combustion flame in a rotational flow mode, so that the combustion and heat transfer efficiency is enhanced, and the flame can play a role in stabilizing combustion in high-speed incoming flow.
Preferably, the plurality of combustion pipes form a zigzag structure, and two combustion pipes are additionally arranged in parallel in the center of the zigzag structure.
The beneficial effects are that: the above layout of the combustion tube enables the temperature field in the first boiler to be evenly distributed, is beneficial to heat exchange between the combustion tube and water in the water storage tank, and improves heating efficiency.
Preferably, the ratio of the width of the combustion chamber to the width of the first boiler body is (3/4-4/5): 1.
the beneficial effects are that: the invention widens the combustion chamber, so that the space occupied by steam generated by water heated at high temperature is reduced, the pressure in the first closed water storage cavity is increased intangibly, the boiling point of water is increased, the temperature of the generated steam is increased, and the utilization efficiency of the steam is improved.
Preferably, the heat transfer pipeline outside the first boiler and the second boiler body is covered with a high temperature resistant protective sleeve.
The beneficial effects are that: the high-temperature resistant protective sleeve can reduce heat dissipation of the heat transmission pipeline in the heat transmission process, and avoid energy waste.
Preferably, the first boiler, the second boiler and the water storage tank are arranged side by side, the highest water level of the water storage tank is not higher than the highest standard water level of the first boiler and the second boiler, and the lowest water level is not lower than the lowest standard water level of the first boiler and the second boiler.
The beneficial effects are that: the water storage tank is communicated with the first water storage cavity and the second water storage cavity respectively through the first water delivery pipe and the second water delivery pipe, so that the water level in the water storage tank is the water level in the first water storage cavity and the second water storage cavity, the highest water level of the water storage tank cannot be higher than the highest standard water level of the first boiler and the second boiler, the lowest water level cannot be lower than the lowest standard water level of the first boiler and the second boiler, and otherwise, the condition of overflow or dry burning of the first boiler and the second boiler can occur, and the normal operation of the first boiler and the second boiler is affected.
Preferably, a floating ball is arranged in the water storage tank, a floating ball valve is arranged at the water inlet of the water storage tank, and the floating ball is connected with the floating ball valve through a connecting rod mechanism.
The beneficial effects are that: the water level in the water storage tank is ensured to be within a normal range by arranging the float valve at the water inlet of the water storage tank, the float valve is connected with the float ball through the connecting rod mechanism to control the water level of the water storage tank, when the water level in the water storage tank falls to a set lowest position, the float ball is lowered along with the water level, and the piston in the valve body of the float valve is driven to pull outwards through the connecting rod mechanism for fixing the float ball, so that a gap is generated between the valve body and the piston, and tap water can enter the water storage tank; when the water level of the water storage tank reaches the set height position, the force generated by the rising of the floating ball along with the water level pushes the piston in the valve body inwards through the connecting rod, so that the gap between the valve body and the piston disappears, and the valve is closed to stop water supply.
Preferably, a water level sensor is further arranged below the low water level controlled by the floating ball in the water storage tank, and the water level sensor is electrically connected with the burner and the blower.
The beneficial effects are that: the invention sets the water level sensor under the low water level controlled by the floating ball, in order to alarm the low water level and ensure the safe operation of the boiler. The water level sensor is electrically connected with the burner and the blower, when the water level in the water storage tank is lower than the preset water level of the water level sensor (such as the conditions of interruption of water supply of an external water source, damage of a float valve and the like), the water level sensor can timely transmit signals to enable the burner and the blower to stop running, the boiler combustion is stopped, and safety is ensured.
Preferably, the double steam boiler further comprises a control device, and the control device is electrically connected with the burner, the blower and the water level sensor.
The beneficial effects are that: the installation control device can realize automatic control, so that potential safety hazards are eliminated, and labor and financial costs are greatly reduced.
Preferably, a soft water treatment device is arranged between the water storage tank and an external water source.
The beneficial effects are that: the boiler water is subjected to water softening treatment through the soft water treatment device, so that the boiler water is used by a boiler, and the service life of the boiler, the energy utilization rate and the running reliability of the boiler can be improved.
Preferably, the fuel source of the combustion chamber comprises fuel gas, fuel oil, fire coal and the like.
Compared with the prior art, the double-steam boiler has the beneficial effects that:
1. according to the invention, the number of boilers in the prior art is increased from one to two, so that high-temperature flue gas originally directly discharged to the atmosphere can be subjected to heat exchange with water in the increased boilers to generate steam with pressure, and finally the flue gas discharged to the atmosphere can be reduced to about 70 ℃, so that the heat generated by fuel combustion is utilized to the greatest extent, the energy utilization rate is improved, and the running cost of equipment is reduced.
2. The invention strengthens the combustion and heat transfer efficiency by improving the combustion tube in the first boiler, and ensures that the flame can play a role in stabilizing combustion in high-speed incoming flow.
3. According to the invention, the combustion chamber is widened, so that the temperature of steam generated in the first boiler is increased, and the utilization efficiency of the steam is improved.
4. According to the invention, the float valve is arranged in the water storage tank to control the water level of the water storage tank, so that the water quantity of the water storage cavities in the first boiler and the second boiler is controlled, and the first boiler and the second boiler are ensured to normally operate; meanwhile, the invention further sets a water level sensor in the water storage tank to give an alarm for low water level so as to control the burner and the blower to stop working in time, prevent dry combustion and the like, and ensure safe operation of the boiler.
5. The automatic operation of the double-steam boiler is realized by controlling the opening and closing of the burner and the blower through the control device according to the signals of the water level sensor, the safety coefficient is high, the operation is convenient, the process does not need to be manually participated, the automation degree is high, and the production efficiency is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a front structure of a dual steam boiler according to the present invention.
Fig. 2 is a schematic side view of the structure of fig. 1A according to the present invention.
Wherein, in the drawing,
1-water storage tank, 2-burner, 3-first boiler, 4-second boiler, 5-combustion tube, 6-combustion chamber, 7-water storage chamber I, 8-heat transfer pipeline, 9-heating coil, 10-air-blower, 11-water storage chamber II, 12-water inlet, 13-steam outlet, 14-first water supply pipe, 15-second water supply pipe, 16-high temperature resistant protective sleeve, 17-floater, 18-ball float valve, 19-water level sensor, 20-water storage tank water inlet.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-2, an embodiment of the present invention discloses a double steam boiler including a steam boiler, a water storage tank 1, and a burner 2 for injecting flames into the steam boiler, in particular,
the steam boiler comprises a first boiler 3 and a second boiler 4, wherein a combustion tube 5 is arranged at the middle lower part in the boiler body of the first boiler 3, the bottom end port of the combustion tube 5 is connected with a combustor 2, the top end port is connected with a combustion chamber 6, and the interlayer area between the outer wall of the combustion chamber 6 and the inner wall of the boiler body of the first boiler 3 is a water storage cavity I7;
the top of the combustion chamber 6 is provided with a heat transfer pipeline 8 extending out of the furnace body of the first boiler 3, the other end of the heat transfer pipeline 8 extends into the second boiler 4 and is connected with a heating coil 9 in the second boiler 4, the other end of the heating coil 9 extends out of the furnace body of the second boiler 4 and is connected with a blower 10, and a water storage cavity II 11 is formed in an interlayer region between the outer wall of the heating coil 9 and the inner wall of the furnace body of the second boiler 4;
the lower parts of the first water storage cavity 7 and the second water storage cavity 11 are respectively provided with a water inlet 12, the upper parts are respectively provided with a steam outlet 13, the water storage tank 1 is connected with the water inlet of the first water storage cavity 7 through a first water supply pipe 14, and the water storage tank 1 is connected with the water inlet of the second water storage cavity 11 through a second water supply pipe 15;
the water storage tank 1 is connected with an external water source through a water storage tank water inlet 20.
For further optimization of the solution, the burner tube 5 according to the invention is chosen to be a "z" burner tube.
In order to further optimize the technical scheme, the combustion tube 5 is provided with a plurality of combustion tubes in the furnace body of the first boiler 3 to form a zigzag structure, and two combustion tubes 5 are additionally arranged in parallel in the center of the zigzag structure.
In order to further optimize the technical scheme, the width ratio of the combustion chamber 6 to the furnace body of the first boiler 3 is (3/4-4/5): 1.
in order to further optimize the technical scheme, the heat transfer pipeline 8 positioned at the outer parts of the furnace bodies of the first boiler 3 and the second boiler 4 is covered with a high-temperature resistant protective sleeve 16.
In order to further optimize the technical scheme, the first boiler 3, the second boiler 4 and the water storage tank 1 are arranged side by side, the highest water level of the water storage tank 1 is not higher than the highest standard water level of the first boiler 3 and the second boiler 4, and the lowest water level is not lower than the lowest standard water level of the first boiler 3 and the second boiler 4
In order to further optimize the technical scheme, a floating ball 17 is arranged in the water storage tank 1, a ball float valve 18 is arranged at the water inlet 20 of the water storage tank, and the floating ball 17 is connected with the ball float valve 18 through a connecting rod mechanism.
In order to further optimize the technical scheme, a water level sensor 19 is arranged below the low water level controlled by the floating ball 17 in the water storage tank 1, and the water level sensor 19 is electrically connected with the burner 2 and the blower 10.
For further optimization of the technical solution, the double steam boiler may further comprise a control device, which is electrically connected with the burner 2, the blower 10, the water level sensor 19, for realizing the automatic operation of the invention.
In order to further optimize the technical scheme, a soft water treatment device can be arranged between the water storage tank 1 and an external water source.
The specific working process of the invention is as follows;
the water storage tank 1 receives water supply from an external water source and automatically supplements water to the first water storage cavity 7 and the second water storage cavity 11 of the first boiler 3 and the second boiler 4 through the first water supply pipe 14 and the second water supply pipe 15; after the water storage tank 1, the first boiler 3 and the second boiler 4 are completely filled with water, the control device controls the burner 2 and the blower 10 to be started, flame enters the combustion chamber 6 through the combustion pipe 5 against the strong acting force of the blower 10, then enters the heat transmission pipeline 8 from the combustion chamber 6, finally, heat is sent into the heating coil 9 in the second boiler 4, and the heat energy conversion process that the water in the boiler is changed into water vapor is realized through heat exchange between the combustion pipe 5, the combustion chamber 6 and the heating coil 9 and water; the steam generated in the first boiler 3 and the second boiler 4 is connected to a steam supply pipe through respective steam outlets 13 for external supply;
in this process, the water level in the first boiler 3 and the second boiler 4 will be reduced continuously due to evaporation of water, the water in the water storage tank 1 will be replenished continuously through the first water supply pipe 14 and the second water supply pipe 15, when the water level in the water storage tank 1 is reduced to a certain position, the ball float valve 18 at the water inlet is opened automatically, so that the external water source such as tap water enters the water storage tank 1 to replenish water, and the water level in the first boiler 3 and the second boiler 4 is ensured to be in a reasonable range all the time.
When the external water source is supplied with water and the water level in the water storage tank 1 is reduced to a level at which the normal operation of the first boiler 3 and the second boiler 4 cannot be ensured, the water level sensor 19 in the water storage tank 1 can timely send signals to the control device, the control device can timely stop the operation of the burner 2 and the blower 10, the conditions of dry burning, equipment damage and the like are prevented, and the safe operation of the whole system of the boiler is ensured.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The double-steam boiler comprises a steam boiler, a water storage tank and a burner for injecting flame into the steam boiler, and is characterized in that the steam boiler comprises a first boiler and a second boiler, a combustion pipe is arranged at the middle lower part in the first boiler body, the bottom end port of the combustion pipe is connected with the burner, the top end port of the combustion pipe is connected with a combustion chamber, and the interlayer area between the outer wall of the combustion chamber and the inner wall of the first boiler body is a water storage cavity I; the combustion tube is a z-shaped combustion tube; the ratio of the width of the combustion chamber to the width of the first boiler body is (3/4-4/5): 1, a step of;
the top of the combustion chamber is provided with a heat transfer pipeline extending out of the first boiler body, the other end of the heat transfer pipeline extends into the second boiler and is connected with a heating coil pipe in the second boiler, the other end of the heating coil pipe extends out of the second boiler body and is connected with a blower, and a water storage cavity II is formed between the outer wall of the heating coil pipe and the interlayer area of the inner wall of the second boiler body;
the lower parts of the first water storage cavity and the second water storage cavity are respectively provided with a water inlet, and the upper parts of the first water storage cavity and the second water storage cavity are respectively provided with a steam outlet; the water storage tank is connected with the water inlet of the first water storage cavity through a first water supply pipe and is connected with the water inlet of the second water storage cavity through a second water supply pipe;
the water storage tank is connected with an external water source.
2. A dual steam boiler according to claim 1, characterized in that: the combustion tube has a plurality of and a plurality of combustion tubes to constitute a back font structure, still be provided with two combustion tubes side by side in addition in the center of back font structure.
3. A dual steam boiler according to claim 1, characterized in that: and the outer layers of the heat transfer pipelines positioned at the outer parts of the first boiler body and the second boiler body are covered with high-temperature resistant protective sleeves.
4. A dual steam boiler according to claim 1, characterized in that: the first boiler, the second boiler and the water storage tank are arranged side by side, the highest water level of the water storage tank is not higher than the highest standard water level of the first boiler and the second boiler, and the lowest water level is not lower than the lowest standard water level of the first boiler and the second boiler.
5. A dual steam boiler according to claim 1, characterized in that: the floating ball is arranged in the water storage tank, a floating ball valve is arranged at the water inlet of the water storage tank, and the floating ball is connected with the floating ball valve through a connecting rod mechanism.
6. A dual steam boiler as set forth in claim 5 wherein: and a water level sensor is arranged below the low water level controlled by the floating ball in the water storage tank, and the water level sensor is electrically connected with the burner and the blower.
7. A dual steam boiler as set forth in claim 6 wherein: the double steam boiler further comprises a control device, and the control device is electrically connected with the burner, the blower and the water level sensor.
8. A dual steam boiler according to claim 1, characterized in that: a soft water treatment device is arranged between the water storage tank and an external water source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811640073.1A CN109556102B (en) | 2018-12-29 | 2018-12-29 | Double-steam boiler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811640073.1A CN109556102B (en) | 2018-12-29 | 2018-12-29 | Double-steam boiler |
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| CN109556102A CN109556102A (en) | 2019-04-02 |
| CN109556102B true CN109556102B (en) | 2024-04-09 |
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| CN201811640073.1A Active CN109556102B (en) | 2018-12-29 | 2018-12-29 | Double-steam boiler |
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| CN112033011A (en) * | 2020-09-16 | 2020-12-04 | 马鞍山市润启新材料科技有限公司 | Oil and gas dual-purpose water boiler |
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| KR101539936B1 (en) * | 2014-05-16 | 2015-07-29 | (주)건영제과 | Exhaust heat recovery steam boiler using the two boilers |
| CN105090921A (en) * | 2015-09-17 | 2015-11-25 | 哈尔滨市金京锅炉有限公司 | Energy-saving environmentally-friendly steam boiler |
| CN105927956A (en) * | 2016-05-16 | 2016-09-07 | 平原县三兴饲料厂 | Boiler |
| CN106090864A (en) * | 2016-08-01 | 2016-11-09 | 天津市月鸣金属结构有限公司 | A kind of biomass steam boiler system |
| CN206572753U (en) * | 2017-03-21 | 2017-10-20 | 定州市四丰环保科技有限公司 | Electric heating boiler and electric heating system |
| CN207262408U (en) * | 2017-06-20 | 2018-04-20 | 侯巨涛 | A kind of water fueled steam boiler |
| CN207080975U (en) * | 2017-08-22 | 2018-03-09 | 宁夏彭阳县添龄黄酒酿造有限责任公司 | A kind of steam boiler |
| CN209605129U (en) * | 2018-12-29 | 2019-11-08 | 吴荣彪 | A kind of double steam boilers |
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