CN106871440A - A kind of environment-friendlynegative negative pressure boiler - Google Patents

A kind of environment-friendlynegative negative pressure boiler Download PDF

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Publication number
CN106871440A
CN106871440A CN201710124773.4A CN201710124773A CN106871440A CN 106871440 A CN106871440 A CN 106871440A CN 201710124773 A CN201710124773 A CN 201710124773A CN 106871440 A CN106871440 A CN 106871440A
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CN
China
Prior art keywords
negative pressure
return
environment
air
air duct
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710124773.4A
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Chinese (zh)
Inventor
黄永乐
陈进艺
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Individual
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Individual
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Priority to CN201710124773.4A priority Critical patent/CN106871440A/en
Publication of CN106871440A publication Critical patent/CN106871440A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/22Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/18Arrangement or mounting of grates or heating means
    • F24H9/1809Arrangement or mounting of grates or heating means for water heaters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/20Arrangement or mounting of control or safety devices
    • F24H9/2007Arrangement or mounting of control or safety devices for water heaters

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)

Abstract

The invention discloses a kind of environment-friendlynegative negative pressure boiler, boiler body including being provided with combustion chamber, combustion chamber is provided with bleeding point, bleeding point is provided with air-extractor, combustion platform is provided with combustion chamber, also including return-air duct, the entrance of return-air duct is located at the inner side of air-extractor, the outlet of return-air duct is provided with the side in combustion platform, and blast apparatus is provided with return-air duct.As balanced draft boiler, the mode of entrance of air is using the pressure of negative pressure, therefore bleeding point discharge is waste gas, can be withdrawn into waste gas near combustion platform by return-air duct, waste gas is allowed to participate in burning, the oxynitrides of interior tool, these oxynitrides will carry out deoxidation reaction in combustion chamber as oxidant and fuel again, nitrogen is ultimately generated, the discharge for reducing pernicious gas is realized.And waste gas plays the role of to drop oxygen, the severe degree of the burning of fuel can be reduced, the central temperature of such fuel can just be reduced, and this is also beneficial to suppress the production of oxynitrides.The present invention is used for boiler.

Description

A kind of environment-friendlynegative negative pressure boiler
Technical field
The present invention relates to a kind of environment-friendlynegative negative pressure boiler.
Background technology
Boiler needs burning fuel, and when burning fuel, in the presence of high temperature, nitrogen and oxygen in air are easily sent out Raw combination reaction, the oxynitrides that formation is polluted, and because the burn incompletely of fuel can produce a substantial amounts of oxidation Carbon.Existing boiler is all difficult to solve this problem, because most cheap oxidant is exactly air, but nitrogen content in air is again It is very high.In order to reduce oxynitrides, tail gas is allowed to meet discharge standard, many boiler for producing commercial cities have to reduce boiler Fuel feed speed, lay multiple burning points, allow fuel to try one's best the oxygen exhausted in air, to reduce the product of oxynitrides It is raw, but this can cause the efficiency of boiler to substantially reduce again.
Boiler needs constantly to supplement water constantly to produce steam, water to could be stored in water tank.Because the need of energy-conservation Will, often recovered steam is condensed into temperature water storage higher in water tank, for the case of the water tank of boiler to present boiler Interior pressure can change with the temperature change of water, existing water tank in order to avoid tank pressure it is excessive and under tank seal performance Drop, leak, the situation of fried case occur, and existing water tank is all have normally opened steam vent, constant to ensure the pressure in water tank.But It is loss that normally opened steam vent can cause heat, this just unusual not energy-conserving and environment-protective.
The content of the invention
The technical problem to be solved in the present invention is:A kind of boiler of the efficiency high of environmental protection is provided.
The present invention solve its technical problem solution be:
A kind of environment-friendlynegative negative pressure boiler, including the boiler body of combustion chamber is provided with, combustion chamber is provided with bleeding point, and bleeding point is provided with Air-extractor, is provided with combustion platform in combustion chamber, also including return-air duct, the entrance of return-air duct is located at the inner side of air-extractor, The outlet of return-air duct is provided with the side in combustion platform, and blast apparatus is provided with return-air duct.
Used as the further improvement of such scheme, also including pump-line, the air-extractor is located in pump-line, is returned The entrance of feed channel is located on the tube wall of pump-line.
Used as the further improvement of such scheme, return-air duct is provided with electrically-controlled valve or hand-operated valve.
As the further improvement of such scheme, the tank body for being provided with water storage cavity, water storage cavity are connected with boiler body Top be provided with relief tube, the both sides top that relief tube has downward curved segment, lower horizontal section is equipped with ventilation section, the two ventilations section Connected with lower horizontal section in the both sides of lower horizontal section respectively, a ventilation section is connected with storage tank, another ventilation section is in communication with the outside.
Used as the further improvement of such scheme, the relief tube is in integrally inverted π fonts.
As the further improvement of such scheme, liquid level tube is provided with water storage cavity, the opening in liquid level tube is located under water originally The top of body, is provided with called putting-into-type liquid level meter in liquid level tube.
Used as the further improvement of such scheme, the bottom of water storage cavity is back taper.
Used as the further improvement of such scheme, water storage cavity is integrally in cylinder.
Used as the further improvement of such scheme, the top of tank body is provided with water inlet, is provided with below water inlet and led The cavity wall of water storage cavity is pointed in stream device, the water conservancy diversion direction of the air deflector, and the air deflector is tabular component or tubular element.
The beneficial effects of the invention are as follows:A kind of environment-friendlynegative negative pressure boiler, including the boiler body of combustion chamber is provided with, on combustion chamber Bleeding point is provided with, bleeding point is provided with air-extractor, and combustion platform is provided with combustion chamber, also including return-air duct, return-air duct Entrance is located at the inner side of air-extractor, and the outlet of return-air duct is provided with the side in combustion platform, air blast is provided with return-air duct and is set It is standby.Used as balanced draft boiler, the mode of entrance of air is the pressure for utilizing negative pressure, therefore bleeding point discharge is waste gas, due to return-air Can be withdrawn into waste gas near combustion platform by pipeline, allow waste gas to participate in burning, the oxynitrides of interior tool, these oxynitrides Deoxidation reaction will be carried out as oxidant and fuel in combustion chamber again, ultimately generate nitrogen, it is achieved thereby that reducing harmful The discharge of gas.And waste gas plays the role of to drop oxygen, can reduce the severe degree of the burning of fuel, the central temperature of such fuel Can just reduce, this is also beneficial to suppress the production of oxynitrides.The present invention is used for boiler.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will make needed for embodiment description Accompanying drawing is briefly described.Obviously, described accompanying drawing is a part of embodiment of the invention, rather than whole implementations Example, those skilled in the art on the premise of not paying creative work, can also obtain other designs according to these accompanying drawings Scheme and accompanying drawing.
Fig. 1 is the structural representation of boiler body of the invention;
Fig. 2 is the structural representation of tank body of the invention.
Specific embodiment
The technique effect of design of the invention, concrete structure and generation is carried out clearly below with reference to embodiment and accompanying drawing Chu, it is fully described by, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair Bright a part of embodiment, rather than whole embodiments, based on embodiments of the invention, those skilled in the art is not paying The other embodiment obtained on the premise of creative work, belongs to the scope of protection of the invention.In addition, be previously mentioned in text All connection/annexations, not singly refer to that component directly connects, and refer to that can be added deduct by adding according to specific implementation situation Lack couple auxiliary to constitute more excellent draw bail.Each technical characteristic in the present invention, in the premise of not conflicting conflict Under can be with combination of interactions.
Referring to Figures 1 and 2, this is flabellum embodiment of the invention, specifically:
A kind of environment-friendlynegative negative pressure boiler, including the boiler body of combustion chamber 1 is provided with, combustion chamber 1 is provided with bleeding point 2, on bleeding point 2 It is provided with air-extractor 21, combustion chamber 1 and is provided with combustion platform 3, also including return-air duct, the entrance of return-air duct is located at air-extractor 21 inner side, the outlet of return-air duct is provided with the side in combustion platform 3, and blast apparatus 4 is provided with return-air duct.As negative pressure pot Stove, the mode of entrance of air is the pressure for utilizing negative pressure, therefore bleeding point discharge is waste gas, because return-air duct can be by waste gas It is withdrawn near combustion platform, allows waste gas to participate in burning, oxynitrides and carbon monoxide, these oxynitrides is contained in waste gas Deoxidation reaction is carried out as oxidant and fuel in combustion chamber again, nitrogen is ultimately generated, carbon monoxide will join as fuel With burning, it is achieved thereby that reduce pernicious gas discharge.And waste gas plays the role of to drop oxygen, can reduce the play of the burning of fuel Strong degree, the central temperature of such fuel can just be reduced, and this is also beneficial to suppress the production of oxynitrides.
In order to waste gas can be easily entered in return-air duct, the present embodiment also includes pump-line, and the pumping sets Standby 21 are located in pump-line, and the entrance of return-air duct is located on the tube wall of pump-line.
For ease of the air quantity of regulation brattice outlet, return air channel is provided with electrically-controlled valve or hand-operated valve.
Boiler is the efficiency for lifting boiler, is connected with the tank body for being provided with water storage cavity on boiler body, water storage cavity it is upper Portion is provided with relief tube 30, and the both sides top that relief tube 30 has downward curved segment, lower horizontal section is equipped with ventilation section, the two ventilations section Connected with lower horizontal section in the both sides of lower horizontal section respectively, a ventilation section is connected with storage tank, another ventilation section is in communication with the outside. When using, water is added in lower horizontal section, sealing is played a part of to relief tube, when the air pressure in water storage cavity rises, air pressure meeting The current direction of lower horizontal section and the extraneous ventilation section being connected are forced, until the original water in lower horizontal section flows completely out ventilation section so that In water storage cavity and atmosphere, it is ensured that the safety of tank body, because the coolant-temperature gage in water storage cavity is higher, so in water storage cavity Humidity is larger, and after the water of lower horizontal section is emptied, the vapor in water storage cavity passes through that during relief tube water can be condensed on tube wall, and Condensed water can be also formed after the air for running into outside, due to necessarily there is turning between lower horizontal section and ventilation section, so condensed water It is not easy to discharge relief tube, so lower horizontal section can slowly be full of condensed water again, the sealing of relief tube is realized again.Relief tube it is skilful Wonderful setting, it is ensured that tank body safety, pressure are constant.Relief tube simple structure, with low cost, its life-span is also significantly larger than Mechanically, the relief valve of electronic type, and mechanical and electronic type relief valve once failure, it will cause huge damage Lose, once because water tank is blown, boiler can not in time supplement water, it is easy to there is fire and even explode.Air deflector 20 can be by The inwall of water storage cavity is oriented into the water in water storage cavity, allows the water to be slid at leisure along the inwall of water storage cavity, it is to avoid existing water tank Noise during moisturizing.
It is in inverted π fonts that the relief tube 30 of the present embodiment is overall, and lower horizontal section is u-shaped, two upper end difference of lower horizontal section Prolong to form ventilation section toward left and right putting down, by the whole height or area of section that adjust relief tube itself, it is possible to achieve different pressures Scope is precisely controlled.
In order to allow people to can know that the water level in water storage cavity, liquid level tube is provided with water storage cavity, the opening in liquid level tube is located at The top of body, called putting-into-type liquid level meter is provided with liquid level tube 40 under water.The setting of liquid level tube, can avoid the fluctuation of the water surface and lead The problem for causing measurement inaccurate.
For the ease of connection, the top of water inlet 110 is provided with flange.
In order to prevent the problem of local ponding, the bottom of water storage cavity is back taper, while the water storage cavity of back taper can be During cleaning tank body, the water in water storage cavity is emptied to greatest extent.
In order to allow tank body uniform force, water storage cavity is integrally in cylinder.
Better embodiment of the invention is illustrated above, but the present invention is not limited to the embodiment, Those of ordinary skill in the art can also make a variety of equivalent modifications or replacements on the premise of without prejudice to spirit of the invention, this A little equivalent modifications or replacement are all contained in the application claim limited range.

Claims (9)

1. a kind of environment-friendlynegative negative pressure boiler, including it is provided with combustion chamber(1)Boiler body, combustion chamber(1)It is provided with bleeding point(2), Bleeding point(2)It is provided with air-extractor(21), combustion chamber(1)Inside it is provided with combustion platform(3), it is characterised in that:Also include muffler Road, the entrance of return-air duct is located at air-extractor(21)Inner side, the outlet of return-air duct is provided with combustion platform(3)Side, Blast apparatus is provided with return-air duct(4).
2. a kind of environment-friendlynegative negative pressure boiler according to claim 1, it is characterised in that:Also include pump-line, the pumping Equipment(21)It is located in pump-line, the entrance of return-air duct is located on the tube wall of pump-line.
3. a kind of environment-friendlynegative negative pressure boiler according to claim 2, it is characterised in that:Return-air duct is provided with electrically-controlled valve or hand Dynamic valve.
4. a kind of environment-friendlynegative negative pressure boiler according to claim 1, it is characterised in that:It is connected with boiler body and is provided with water storage The tank body in chamber, the top of water storage cavity is provided with relief tube(30), relief tube(30)With downward curved segment, on the both sides of lower horizontal section Side is equipped with ventilation section, and the two ventilations section is connected in the both sides of lower horizontal section with lower horizontal section respectively, ventilation section and a storage tank Connection, another ventilation section is in communication with the outside.
5. a kind of environment-friendlynegative negative pressure boiler according to claim 4, it is characterised in that:The relief tube(30)Overall is in be inverted π fonts.
6. a kind of environment-friendlynegative negative pressure boiler according to claim 4, it is characterised in that:Liquid level tube is provided with water storage cavity(40), Liquid level tube(40)Interior opening is located at the top of body under water, liquid level tube(40)Inside it is provided with called putting-into-type liquid level meter.
7. a kind of environment-friendlynegative negative pressure boiler according to claim 4, it is characterised in that:The bottom of water storage cavity is back taper.
8. a kind of environment-friendlynegative negative pressure boiler according to claim 4, it is characterised in that:Water storage cavity is integrally in cylinder.
9. a kind of environment-friendlynegative negative pressure boiler according to claim 4, it is characterised in that:The top of tank body is provided with water inlet (110), water inlet(110)Lower section be provided with air deflector(20), the air deflector(20)Water conservancy diversion direction point to water storage cavity chamber Wall, the air deflector(20)It is tabular component or tubular element.
CN201710124773.4A 2017-03-03 2017-03-03 A kind of environment-friendlynegative negative pressure boiler Pending CN106871440A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710124773.4A CN106871440A (en) 2017-03-03 2017-03-03 A kind of environment-friendlynegative negative pressure boiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710124773.4A CN106871440A (en) 2017-03-03 2017-03-03 A kind of environment-friendlynegative negative pressure boiler

Publications (1)

Publication Number Publication Date
CN106871440A true CN106871440A (en) 2017-06-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710124773.4A Pending CN106871440A (en) 2017-03-03 2017-03-03 A kind of environment-friendlynegative negative pressure boiler

Country Status (1)

Country Link
CN (1) CN106871440A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5625617A (en) * 1979-08-06 1981-03-12 Shimadzu Corp Combustion control device for reducing nox
CN2695794Y (en) * 2003-06-06 2005-04-27 姚玉兰 Negative pressure environmental protection boiler
CN101991348A (en) * 2010-09-21 2011-03-30 宁波方太厨具有限公司 External tap water tank box of electric steam box
CN102235759A (en) * 2010-04-26 2011-11-09 林华谘 Heat driven liquid self-circulating methods, devices and the system employ same
CN202993237U (en) * 2012-03-01 2013-06-12 深圳市山水乐环保科技有限公司 Highly-effective and energy-saving combustion system of denitration dedusting boiler
CN104696949A (en) * 2015-03-09 2015-06-10 李毅强 Two-stage process denitrification method of coal fired boiler
CN204902638U (en) * 2015-09-02 2015-12-23 上海瀚显空调节能技术有限公司 High security flue gas heat reclamation device
CN205783766U (en) * 2016-06-16 2016-12-07 青岛全能节能环保锅炉有限公司 Circulation shell boiler in a kind of Novel flue gas
CN206572748U (en) * 2017-03-03 2017-10-20 黄永乐 A kind of environment-friendlynegative negative pressure boiler

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5625617A (en) * 1979-08-06 1981-03-12 Shimadzu Corp Combustion control device for reducing nox
CN2695794Y (en) * 2003-06-06 2005-04-27 姚玉兰 Negative pressure environmental protection boiler
CN102235759A (en) * 2010-04-26 2011-11-09 林华谘 Heat driven liquid self-circulating methods, devices and the system employ same
CN101991348A (en) * 2010-09-21 2011-03-30 宁波方太厨具有限公司 External tap water tank box of electric steam box
CN202993237U (en) * 2012-03-01 2013-06-12 深圳市山水乐环保科技有限公司 Highly-effective and energy-saving combustion system of denitration dedusting boiler
CN104696949A (en) * 2015-03-09 2015-06-10 李毅强 Two-stage process denitrification method of coal fired boiler
CN204902638U (en) * 2015-09-02 2015-12-23 上海瀚显空调节能技术有限公司 High security flue gas heat reclamation device
CN205783766U (en) * 2016-06-16 2016-12-07 青岛全能节能环保锅炉有限公司 Circulation shell boiler in a kind of Novel flue gas
CN206572748U (en) * 2017-03-03 2017-10-20 黄永乐 A kind of environment-friendlynegative negative pressure boiler

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Application publication date: 20170620