CN206572748U - 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
CN206572748U
CN206572748U CN201720208540.8U CN201720208540U CN206572748U CN 206572748 U CN206572748 U CN 206572748U CN 201720208540 U CN201720208540 U CN 201720208540U CN 206572748 U CN206572748 U CN 206572748U
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CN
China
Prior art keywords
negative pressure
return
environment
air duct
air
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Expired - Fee Related
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CN201720208540.8U
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Chinese (zh)
Inventor
黄永乐
陈进艺
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Guangzhou Ai Neng Neng Energy Technology Co Ltd
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Individual
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Priority to CN201720208540.8U priority Critical patent/CN206572748U/en
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Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of environment-friendlynegative negative pressure boiler, including the boiler body provided with combustion chamber, combustion chamber is provided with bleeding point, bleeding point is provided with air-extractor, combustion platform, in addition to return-air duct are provided with combustion chamber, 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, return-air duct and is provided with blast apparatus.It is used as balanced draft boiler, the mode of entrance of air is the pressure using negative pressure, therefore bleeding point discharge is waste gas, waste gas can be withdrawn near combustion platform by return-air duct, waste gas is allowed to participate in burning, the oxynitrides of interior tool, these oxynitrides will carry out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 the production for suppressing oxynitrides.The utility model is used for boiler.

Description

A kind of environment-friendlynegative negative pressure boiler
Technical field
The utility model is related to a kind of environment-friendlynegative negative pressure boiler.
Background technology
Boiler needs burning fuel, when burning fuel, in the presence of high temperature, and the nitrogen and oxygen in air are easily sent out Raw combination reaction, forms the oxynitrides 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 the 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 production 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, and water could be stored in water tank.Because the need of energy-conservation Will, often recovered steam is condensed into the higher water of temperature and is stored in water tank for present boiler, the case for the water tank of boiler Interior pressure can change with the temperature change of dampening, 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 to have normally opened steam vent, to ensure that the pressure in water tank is constant.But It is that normally opened steam vent can cause the loss of heat, this just unusual not energy-conserving and environment-protective.
Utility model content
The technical problems to be solved in the utility model is:A kind of boiler of environmentally friendly efficiency high is provided.
The solution that the utility model solves its technical problem is:
A kind of environment-friendlynegative negative pressure boiler, including the boiler body provided with combustion chamber, combustion chamber are provided with bleeding point, bleeding point Provided with air-extractor, combustion platform, in addition to return-air duct are provided with combustion chamber, the entrance of return-air duct is located at the interior of air-extractor Side, the outlet of return-air duct is provided with the side in combustion platform, return-air duct and is provided with blast apparatus.
As the further improvement of such scheme, in addition to 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.
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 provided with water storage cavity, water storage cavity are connected with boiler body Top be provided with relief tube, relief tube has a downward curved segment, and ventilation section, the two ventilations section are equipped with above the both sides of lower horizontal section Connected respectively in the both sides of lower horizontal section with lower horizontal section, a ventilation section is connected with storage tank, another ventilation section is in communication with the outside.
As the further improvement of such scheme, the relief tube is in integrally inverted π fonts.
As the further improvement of such scheme, the opening being provided with water storage cavity in liquid level tube, liquid level tube is located under water originally Called putting-into-type liquid level meter is provided with the top of body, liquid level tube.
As the further improvement of such scheme, the bottom of water storage cavity is back taper.
As the further improvement of such scheme, water storage cavity is integrally in cylinder.
As the further improvement of such scheme, the top of tank body is provided with water inlet, and the lower section of water inlet, which is provided with, leads Device is flowed, the cavity wall of water storage cavity is pointed in the water conservancy diversion direction of the air deflector, and the air deflector is tabular component or tubular element.
The beneficial effects of the utility model are:A kind of environment-friendlynegative negative pressure boiler, including the boiler body provided with combustion chamber, burning Chamber is provided with bleeding point, and bleeding point, which is provided with air-extractor, combustion chamber, is provided with combustion platform, in addition to return-air duct, muffler The entrance in road is located at the inner side of air-extractor, and the outlet of return-air duct is provided with the side in combustion platform, return-air duct provided with drum Wind devices.As balanced draft boiler, the mode of entrance of air is the pressure using negative pressure, therefore bleeding point discharge is waste gas, due to Waste gas can be withdrawn near combustion platform by return-air duct, allow waste gas to participate in burning, the oxynitrides of interior tool, these nitrogen oxidations Compound will carry out deoxidation reaction in combustion chamber as oxidant and fuel again, nitrogen be ultimately generated, it is achieved thereby that reducing The discharge of pernicious gas.And waste gas plays the role of to drop oxygen, can reduce the severe degree of the burning of fuel, the center of such fuel Temperature can just be reduced, and this is also beneficial to the production for suppressing oxynitrides.The utility model is used for boiler.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the utility model embodiment The accompanying drawing to be used is briefly described.Obviously, described accompanying drawing is a part of embodiment of the present utility model, rather than entirely Portion's embodiment, those skilled in the art on the premise of not paying creative work, can also obtain it according to these accompanying drawings His design and accompanying drawing.
Fig. 1 is the structural representation of boiler body of the present utility model;
Fig. 2 is the structural representation of tank body of the present utility model.
Embodiment
The technique effect of design of the present utility model, concrete structure and generation is carried out below with reference to embodiment and accompanying drawing Clearly and completely describe, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment It is a part of embodiment of the present utility model, rather than whole embodiments, based on embodiment of the present utility model, the skill of this area The other embodiment that art personnel are obtained on the premise of not paying creative work, belongs to the model of the utility model protection Enclose.In addition, all connection/annexations being previously mentioned in text, not singly refer to component and directly connect, and refer to can be according to specific reality Situation is applied, by adding or reducing couple auxiliary, to constitute more excellent draw bail.Each technology in the utility model is special Levy, can be with combination of interactions on the premise of not conflicting conflict.
Referring to Figures 1 and 2, this is flabellum embodiment of the present utility model, specifically:
A kind of environment-friendlynegative negative pressure boiler, including the boiler body provided with combustion chamber 1, combustion chamber 1 are provided with bleeding point 2, pumping Mouth 2, which is provided with air-extractor 21, combustion chamber 1, is provided with combustion platform 3, in addition to return-air duct, and the entrance of return-air duct, which is located at, to be taken out The inner side of gas equipment 21, the outlet of return-air duct is provided with the side in combustion platform 3, return-air duct and is provided with blast apparatus 4.As Balanced draft boiler, the mode of entrance of air is the pressure using negative pressure, therefore bleeding point discharge is waste gas, because return-air duct can be with Waste gas is withdrawn near combustion platform, allows waste gas to participate in containing oxynitrides and carbon monoxide, these nitrogen oxygen in burning, waste gas Compound carries out deoxidation reaction in combustion chamber as oxidant and fuel again, ultimately generates nitrogen, carbon monoxide using as Fuel participates in burning, it is achieved thereby that reducing the discharge of pernicious gas.And waste gas plays the role of to drop oxygen, can reduce the combustion of fuel The severe degree of burning, the central temperature of such fuel can just be reduced, and this is also beneficial to the production for suppressing oxynitrides.
In order to which waste gas can be easily entered in return-air duct, the present embodiment also includes pump-line, and the pumping is set 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 of lifting boiler, is connected with the tank body provided with water storage cavity on boiler body, water storage cavity it is upper Portion is provided with relief tube 30, and relief tube 30, which has, is equipped with ventilation section above downward curved segment, the both sides of lower horizontal section, the two ventilations section Connected respectively in the both sides of lower horizontal section with lower horizontal section, a ventilation section is connected with storage tank, another ventilation section is in communication with the outside. In use, adding water in lower horizontal section, sealed effect is played to relief tube, when the air pressure in water storage cavity rises, air pressure meeting The ventilation section that the current direction and the external world for forcing lower horizontal section are connected, 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, after the water emptying of lower horizontal section, the vapor in water storage cavity by the way that water can be condensed into during relief tube 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 It is wonderful to set, it is ensured that tank body safety, pressure are constant.Relief tube is simple in construction, with low cost, and its life-span is also significantly larger than Mechanically, the relief valve of electronic type, and the relief valve once failure of mechanical and electronic type, it will cause huge damage Lose, once because water tank is blown, boiler can not supplement water in time, it is easy to there is fire or even blast.Air deflector 20 can be by The inwall of water storage cavity is oriented into the water in water storage cavity, allows inwall of the water along water storage cavity to slide at leisure, it is to avoid existing water tank Noise during moisturizing.
The overall relief tube 30 of the present embodiment is in inverted π fonts, and lower horizontal section is u-shaped, two upper end difference of lower horizontal section Prolong to form ventilation section toward left and right put 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 can know that, the opening being provided with the water level in water storage cavity, water storage cavity in liquid level tube, liquid level tube is located at Called putting-into-type liquid level meter is provided with the top of body under water, liquid level tube 40.The setting of liquid level tube, can avoid the fluctuation of the water surface and lead Cause the problem of measurement is inaccurate.
For the ease of connection, the top of water inlet 110 is provided with flange.
The problem of in order to prevent local ponding, the bottom of water storage cavity is back taper, while the water storage cavity of back taper can be When clearing up 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 present utility model is illustrated above, but the utility model be not limited to it is described Embodiment, those skilled in the art can also make a variety of equivalent changes on the premise of without prejudice to the utility model spirit Type or replacement, these 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 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)It is interior to be 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 provided with water storage The tank body of 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, a ventilation section and 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)It is interior to be 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)For tabular component or tubular element.
CN201720208540.8U 2017-03-03 2017-03-03 A kind of environment-friendlynegative negative pressure boiler Expired - Fee Related CN206572748U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720208540.8U CN206572748U (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
CN201720208540.8U CN206572748U (en) 2017-03-03 2017-03-03 A kind of environment-friendlynegative negative pressure boiler

Publications (1)

Publication Number Publication Date
CN206572748U true CN206572748U (en) 2017-10-20

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Family Applications (1)

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Country Status (1)

Country Link
CN (1) CN206572748U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106871440A (en) * 2017-03-03 2017-06-20 黄永乐 A kind of environment-friendlynegative negative pressure boiler

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106871440A (en) * 2017-03-03 2017-06-20 黄永乐 A kind of environment-friendlynegative negative pressure boiler

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Effective date of registration: 20180614

Address after: 510000 2004, room 1, 6 new Jun street, Panyu District east ring street, Guangzhou, Guangdong.

Patentee after: Guangzhou AI Neng Neng Energy Technology Co., Ltd.

Address before: 528000 72 Dong Hu Bang village, Dali Town, Nanhai District, Foshan, Guangdong

Co-patentee before: Chen Jinyi

Patentee before: Huang Yongle

TR01 Transfer of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20171020

Termination date: 20200303

CF01 Termination of patent right due to non-payment of annual fee