CN110686402A - Energy comprehensive utilization type energy-saving boiler - Google Patents
Energy comprehensive utilization type energy-saving boiler Download PDFInfo
- Publication number
- CN110686402A CN110686402A CN201911098985.5A CN201911098985A CN110686402A CN 110686402 A CN110686402 A CN 110686402A CN 201911098985 A CN201911098985 A CN 201911098985A CN 110686402 A CN110686402 A CN 110686402A
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- China
- Prior art keywords
- working medium
- boiler
- energy
- shell
- smoke
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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
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
- F24H1/24—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers
- F24H1/26—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers the water mantle forming an integral body
- F24H1/28—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers the water mantle forming an integral body including one or more furnace or fire tubes
- F24H1/285—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers the water mantle forming an integral body including one or more furnace or fire tubes with the fire tubes arranged alongside the combustion chamber
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1818—Arrangement or mounting of electric heating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/1836—Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel
Abstract
The invention relates to an energy-saving boiler capable of comprehensively utilizing energy, which comprises a sealed insulating boiler shell, a combustor provided with a fuel inlet and a combustion-supporting air inlet, a furnace pipe internally provided with a combustion chamber and provided with a smoke box at the top end in an eccentric manner, an electric heating device comprising an electrode and an electrode limiting mounting seat, and a smoke pipe arranged between the smoke box and a smoke outlet channel and surrounding the periphery of the furnace pipe, wherein the furnace chamber is filled with working medium water capable of fully burying the furnace pipe, the smoke box, the electrode and the smoke pipe therein. The boiler can not only use fossil energy to burn to generate heat, but also can conduct electric heating to generate heat and heat working medium water to required hot water or steam, so that the boiler has the function of comprehensively utilizing fossil energy and electric energy to heat the working medium water, has simple, scientific and reasonable structure and low production cost, can generate positive technical effects of comprehensively utilizing resources as required, protecting ecological environment and protecting environment and saving energy, is a great innovation in the boiler manufacturing industry, and has strong practicability and valuable market application prospect.
Description
Technical Field
The invention relates to the technical field of boiler manufacturing, in particular to an energy comprehensive utilization type energy-saving boiler which can use fuel gas/fuel oil as heat source fuel and can use electricity as a heating source.
Background
The traditional heat supply and heating fire tube boilers all use fuel oil or fuel gas as heat source fuel, and at present, natural gas is mostly used. Natural gas belongs to nonrenewable fossil energy in the nature, and not only a large amount of natural gas resources are consumed in the working process of heat supply and heating of the fire-tube boiler, but also a large amount of CO contained in the natural gas and capable of polluting the environment is generated2And NOx fumes. Therefore, as a result of the large use of natural gas, the shortage of natural gas sources will be caused sooner or later, and finally the passive situation of influencing the system heating and the normal production of enterprises is brought. With the rapid development of electric power industry in recent years in China, the technical level of power generation by utilizing different resources in the nature such as water energy, wind energy, solar energy, nuclear energy and the like is higher and higher, and the social power generation amount is increased day by day, so that the situation that the supply and demand of electric energy are larger than the demand at present is caused. Aiming at the current situation of surplus electric energy output of China, partial areas of China have the situation of abandoning partial wind energy, light energy and nuclear power generation facilities, so that a great deal of resources and electric energy are wasted. This initiates: if the electric energy produced by the existing power generation facility and the surplus electric energy objectively existing in the current society can be introduced into a heat supply and heating boiler system which has a large amount of owned electric energy in the national society, has a large proportion in national economic production and consumes a large amount of petrochemical energy day and night at present, the method can reduce the consumption of non-renewable petrochemical energy, protect the ecological environment, ensure the normal operation of the established electric power production enterprises, avoid investment waste and reduce innocent waste of the surplus electric energy, and is undoubtedly a matter far away from the national civilization.
Disclosure of Invention
The invention aims to overcome the situation that the energy used by the existing heat supply and heating boiler is social and scarce resources, and provides an energy comprehensive utilization type energy-saving boiler which can select or simultaneously adopt fuel oil/gas conventional fuels and electric energy as the working energy of the boiler according to the requirements.
The invention relates to an energy comprehensive utilization type energy-saving boiler, which mainly comprises a boiler shell, a burner and a boiler furnace, wherein the boiler shell is provided with a working medium inlet, a working medium outlet, a flue gas outlet channel and the burner which is provided with a fuel gas/fuel oil access port and a combustion air access port, and is characterized by also comprising an electric heating device, wherein:
the electric heating device comprises an electrode and an electrode installation connecting seat;
the boiler shell body is an insulating sealed cavity with the function of filling heated working medium water inside, the upper part of the shell is fixedly provided with the smoke outlet channel, the front end surface of the shell is provided with the burner in an extending way, the side surface of the lower part of the shell is fixedly provided with the working medium inlet, the lower bottom part of the shell is fixedly provided with the electric heating device, the side surface of the upper part of the shell is fixedly provided with the working medium outlet, and the cavity is internally provided with the furnace pipe, the smoke box which is interconnected with the top of the furnace pipe and a plurality of smoke pipes which are arranged between the smoke box and the smoke outlet channel;
the inner cavity of the furnace pipe is used as a combustion chamber of the boiler, the front end part of the furnace pipe is fixedly provided with the combustor, the tail end of the furnace pipe is fixedly provided with the smoke box coaxial with the boiler shell in a staggered manner, and the periphery of the combustion chamber is provided with a plurality of smoke pipes of which one ends are fixedly arranged on the end surface of the smoke box;
the furnace pipe and the smoke box are fixed and limited by the front end of the furnace pipe and the tail end of the smoke box and are arranged in a furnace chamber between the front end surface and the rear end surface of the boiler shell;
one end of the electrode is fixedly arranged on the electrode mounting and connecting seat in a sealing way, and the other end of the electrode extends into the lower cavity of the boiler shell;
the working medium water is filled with soft water capable of conducting electricity;
in addition, the conductivity of the soft water capable of conducting electricity is about 100 mu s/cm; the working voltage of the electrode is a medium voltage with the voltage of more than or equal to 6KV and less than or equal to 12 KV;
when the boiler works, the working medium water is injected into the boiler cavity from the working medium inlet, so that the boiler liner, the smoke box and the smoke tube which are arranged in the boiler cavity are fully buried in the working medium water; the combustion-supporting air and the gas/fuel oil fuel are respectively fed into the furnace liner combustion chamber through the combustion-supporting air access port and the gas/fuel oil access port to be mixed and combusted, heat is released to generate high-temperature flue gas, and the heat is released to the periphery through the wall of the furnace liner to heat working medium water; the high-temperature flue gas is gradually reduced in temperature in the process of continuously heating the working medium water at the periphery of the furnace pipe, becomes high-temperature flue gas with relatively low temperature, flows into the smoke box, is distributed to enter the smoke pipe, continuously exchanges heat with the surrounding working medium water, further heats the working medium water, finally becomes required hot water or steam, and is finally discharged from the working medium outlet, and the high-temperature flue gas finally becomes low-temperature flue gas with relatively low temperature, and is discharged from the smoke outlet channel; when the electrode immersed in the working medium water is electrified, medium-voltage current releases a large amount of heat energy in the conductive soft water to directly heat the working medium water at the bottom of the boiler in the boiler shell, the cold water flows downwards due to different densities of the hot water and the cold water, the electrode continuously heats the cold water, the heated hot water flows upwards to form convection circulation, and the heated water generates the required hot water or steam through the part arranged in the boiler and finally flows out from the working medium outlet.
Based on the concept, the energy comprehensive utilization type energy-saving boiler is additionally provided with the electric heating device on the basis of the conventional common fire tube boiler, so that the boiler has the functions of generating heat by combusting gas/fuel oil fuel and heating working medium water, and generating heat by using electric heating and heating the working medium water. The boiler is convenient for using the piezoelectric heating working medium water in the time period of rich electric power, peak staggering or low electricity price, and when the electric power is insufficient or the electricity cost is high, the gas/oil fuel is adopted to burn and heat the working medium water, so that the boiler has the functions of comprehensively utilizing the gas/oil fuel and the electric energy or generating heat and generating hot water/steam by selecting the gas/oil fuel and the electric energy according to the needs, the power utilization situation that the supply is more than required at present is fully utilized, the condition for the normal operation of the existing power generation facility is created, the waste of social resources is avoided, the demand of non-renewable fossil energy which is less than required in daily supply is reduced, and the pollution influence of the daily waste gas of the boiler on the environment is reduced. Therefore, the energy comprehensive utilization type energy-saving boiler has the advantages of simple, scientific and reasonable structure, low production cost, capability of generating positive technical effects of reasonable utilization of resources, ecological environment protection, environmental protection and energy conservation, and is a great innovation in the technical field of boiler manufacturing, so that the energy comprehensive utilization type energy-saving boiler has strong practicability and valuable market application prospect.
Drawings
FIG. 1 is a schematic diagram of the general structure of an embodiment of the present invention;
FIG. 2 is a schematic view of the smoke tube layout in the embodiment of the present invention.
In the figure:
1. boiler shell 11, working medium inlet 12, working medium outlet 13 and flue gas outlet channel
2. Burner 21, gas/fuel oil inlet 22, combustion air inlet 3, furnace pipe
31. Combustion chamber 4, electric heater 41, electrode 42, electrode mounting connecting seat
5. Smoke box 6. smoke tube
Detailed Description
The invention will be further described with reference to the figures and the exemplary embodiments.
In fig. 1 and 2, the energy comprehensive utilization energy-saving boiler of the present invention mainly comprises a boiler shell 1, a burner 2 and a furnace 3, wherein the boiler shell 1 is provided with a working medium inlet 11, a working medium outlet 12, a flue gas outlet channel 13, and the burner 2 provided with a gas/fuel inlet 21 and a combustion air inlet 22, and is characterized by further comprising an electric heating device 4, wherein:
the electric heating device 4 comprises an electrode 41 and an electrode mounting and connecting seat 42;
the boiler shell 1 is mainly an insulating sealed cavity with the function of filling heated working medium water, the upper part of the shell is fixedly provided with the smoke outlet channel 13, the front end surface of the shell is provided with the combustor 2 in an extending way, the lower side surface of the shell is fixedly provided with the working medium inlet 11, the lower bottom part of the shell is fixedly provided with the electric heating device 4, the upper side surface of the shell is fixedly provided with the working medium outlet 12, and the cavity is internally provided with the furnace pipe 3, the smoke box 5 which is interconnected with the top of the furnace pipe 3 and a plurality of smoke pipes 6 which are arranged between the smoke box 5 and the smoke outlet channel 13;
the inner cavity of the furnace pipe 3 serves as a combustion chamber 31 of the boiler, the front end part of the furnace pipe is fixedly provided with the combustor 2, the tail end of the furnace pipe is fixedly provided with the smoke box 5 which is coaxial with the boiler shell 1 in a staggered manner, and the periphery of the combustion chamber 31 is provided with a plurality of smoke pipes 6 of which one ends are fixedly arranged on the end surface of the smoke box 5;
the furnace pipe 3 and the smoke box 5 are fixed and limited by the front end of the furnace pipe 3 and the tail end of the smoke box 5 and are arranged in a furnace chamber between the front end surface and the rear end surface of the boiler shell 1;
one end of the electrode 41 is fixedly arranged on the electrode mounting and connecting seat 42 in a sealing way, and the other end of the electrode extends into the lower cavity of the boiler shell 1;
the working medium water is filled with soft water capable of conducting electricity;
in addition, the conductivity of the soft water capable of conducting electricity is about 100 mu s/cm; the working voltage of the electrode 41 is a medium voltage with the voltage being more than or equal to 6KV and less than or equal to 12 KV;
when the boiler works, the working medium water is injected into the boiler cavity from the working medium inlet 11, so that the furnace 3, the smoke box 5 and the smoke pipe 6 which are arranged in the boiler cavity are fully buried in the working medium water; the combustion-supporting air and the gas/fuel oil fuel are respectively fed into the furnace liner combustion chamber 31 through the combustion-supporting air access port 22 and the gas/fuel oil access port 21 to be mixed and combusted, heat and high-temperature flue gas are generated, and the heat is released to the periphery and the working medium water is heated through the wall of the furnace liner; the high-temperature flue gas is gradually reduced in temperature in the process of continuously heating the peripheral working medium water of the furnace pipe 3, becomes high-temperature flue gas with relatively low temperature, flows into the smoke box 5, is distributed to enter the smoke pipe 6, continuously exchanges heat with the peripheral working medium water, further heats the working medium water, finally becomes required hot water or steam, and is finally discharged from the working medium outlet 12, and the high-temperature flue gas finally becomes low-temperature flue gas with relatively low temperature, and is discharged and discharged from the flue gas outlet channel 13; when the electrode of the main body which is immersed in the working medium water is electrified, medium-voltage current releases a large amount of heat energy in the conductive soft water to directly heat the working medium water at the bottom of the boiler in the boiler shell 1, the cold water flows downwards due to different densities of the hot water and the cold water, the electrode 41 continuously heats the cold water, the heated hot water flows upwards to form convection circulation, and the heated water generates the required hot water or steam through the parts arranged in the boiler and finally flows out from the working medium outlet 12.
Claims (3)
1. The utility model provides an energy comprehensive utilization type energy-saving boiler mainly includes boiler shell (1), combustor (2) and stove courage (3), is provided with working medium import (11), working medium export (12), exhanst gas outlet passageway (13) on boiler shell (1) and is equipped with gas/fuel and inserts mouth (21) and combustion air and insert mouth (22) combustor (2), its characterized in that still including electric heater unit (4), wherein:
the electric heating device (4) comprises an electrode (41) and an electrode installation connecting seat (42);
the boiler shell (1) is characterized in that the main body of the boiler shell (1) is an insulating sealed cavity with the function of filling heated working medium water inside, the upper part of the shell is fixedly provided with the flue gas outlet channel (13), the front end surface of the shell is provided with the combustor (2) in an extending way, the lower side surface of the shell is fixedly provided with the working medium inlet (11), the lower bottom part of the shell is fixedly provided with the electric heating device (4), the upper side surface of the shell is fixedly provided with the working medium outlet (12), the cavity is internally provided with the furnace pipe (3), the smoke box (5) which is interconnected with the top of the furnace pipe (3), and a plurality of smoke pipes (6) which are arranged between the smoke box (5) and the flue gas outlet;
the inner cavity of the furnace pipe (3) serves as a combustion chamber (31) of the boiler, the front end part of the furnace pipe is fixedly provided with the combustor (2), the tail end of the furnace pipe is fixedly provided with the smoke box (5) which is coaxial with the boiler shell (1) in a staggered manner, and the periphery of the combustion chamber (31) is provided with a plurality of smoke pipes (6) of which one ends are fixedly arranged on the end surface of the smoke box (5);
the furnace pipe (3) and the smoke box (5) are fixed, limited and arranged in a furnace chamber between the front end surface and the rear end surface of the boiler shell (1) by the front end of the furnace pipe (3) and the tail end of the smoke box (5);
one end of the electrode (41) is fixedly arranged on the electrode mounting and connecting seat (42) in a sealing way, and the other end of the electrode extends into the lower cavity of the boiler shell (1);
the working medium water is filled with conductive soft water;
when the boiler works, the working medium water is injected into the boiler cavity from the working medium inlet (11), so that the furnace pipe (3), the smoke box (5) and the smoke pipe (6) arranged in the boiler cavity are fully immersed in the working medium water; the combustion-supporting air and the gas/fuel oil fuel are respectively fed into a furnace pipe combustion chamber (31) through the combustion-supporting air access port (22) and the gas/fuel oil access port (21) to be mixed and combusted, heat and high-temperature flue gas are generated, and the heat is released to the periphery through the wall of the furnace pipe chamber and the working medium water is heated; the high-temperature flue gas is gradually reduced in temperature in the process of continuously heating the peripheral working medium water of the furnace pipe (3), becomes high-temperature flue gas with relatively low temperature, flows into the smoke box (5), is distributed to enter the smoke pipe (6), continuously exchanges heat with the peripheral working medium water, further heats the working medium water, finally becomes required hot water or steam, and is finally discharged from the working medium outlet (12), and the high-temperature flue gas becomes low-temperature flue gas with relatively low temperature finally and is discharged from the flue gas outlet channel (13); when the electrode (41) of the main body which is embedded in the working medium water is electrified, the medium-voltage current releases a large amount of heat energy in the conductive soft water to directly heat the working medium water, and the working medium water finally becomes the required hot water or steam and is discharged out of the working medium outlet (12).
2. The energy-efficient boiler according to claim 1, wherein the conductivity of the electrically conductive soft water is about 100 μ s/cm.
3. The energy-comprehensive utilization energy-saving boiler according to claim 1, characterized in that the working voltage of the electrode (41) is a medium voltage of 6KV ≤ and 12 KV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911098985.5A CN110686402A (en) | 2019-11-12 | 2019-11-12 | Energy comprehensive utilization type energy-saving boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911098985.5A CN110686402A (en) | 2019-11-12 | 2019-11-12 | Energy comprehensive utilization type energy-saving boiler |
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| Publication Number | Publication Date |
|---|---|
| CN110686402A true CN110686402A (en) | 2020-01-14 |
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ID=69116366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911098985.5A Pending CN110686402A (en) | 2019-11-12 | 2019-11-12 | Energy comprehensive utilization type energy-saving boiler |
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| CN (1) | CN110686402A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103673282A (en) * | 2012-09-15 | 2014-03-26 | 山西煜能科技开发有限公司 | Whole wet back horizontal type normal pressure fuel oil hot-water boiler with flame returning in center |
| CN103697582A (en) * | 2013-11-29 | 2014-04-02 | 原平市暖圣热能设备有限公司 | Oil-fired and gas-fired atmospheric hot water boiler |
| CN104697171A (en) * | 2015-03-09 | 2015-06-10 | 唐山冀东石油机械有限责任公司 | High-efficiency heating furnace |
| CN108240708A (en) * | 2018-04-08 | 2018-07-03 | 新疆乾坤环能投资有限公司 | A kind of phosgene is electrically coupled wisdom environment-friendlyboiler boiler system and its operation method |
-
2019
- 2019-11-12 CN CN201911098985.5A patent/CN110686402A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103673282A (en) * | 2012-09-15 | 2014-03-26 | 山西煜能科技开发有限公司 | Whole wet back horizontal type normal pressure fuel oil hot-water boiler with flame returning in center |
| CN103697582A (en) * | 2013-11-29 | 2014-04-02 | 原平市暖圣热能设备有限公司 | Oil-fired and gas-fired atmospheric hot water boiler |
| CN104697171A (en) * | 2015-03-09 | 2015-06-10 | 唐山冀东石油机械有限责任公司 | High-efficiency heating furnace |
| CN108240708A (en) * | 2018-04-08 | 2018-07-03 | 新疆乾坤环能投资有限公司 | A kind of phosgene is electrically coupled wisdom environment-friendlyboiler boiler system and its operation method |
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Application publication date: 20200114 |
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