CN105823072A - Boiler gas zero emission system - Google Patents
Boiler gas zero emission system Download PDFInfo
- Publication number
- CN105823072A CN105823072A CN201610311397.5A CN201610311397A CN105823072A CN 105823072 A CN105823072 A CN 105823072A CN 201610311397 A CN201610311397 A CN 201610311397A CN 105823072 A CN105823072 A CN 105823072A
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- CN
- China
- Prior art keywords
- boiler
- gas
- outlet
- purification filter
- discharging system
- 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
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
- F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/40—Combinations of devices covered by groups B01D45/00 and B01D47/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/263—Drying gases or vapours by absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B80/00—Combustion apparatus characterised by means creating a distinct flow path for flue gases or for non-combusted gases given off by the fuel
- F23B80/02—Combustion apparatus characterised by means creating a distinct flow path for flue gases or for non-combusted gases given off by the fuel by means for returning flue gases to the combustion chamber or to the combustion zone
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C9/00—Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber
- F23C9/06—Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber for completing combustion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2062—Ammonia
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Biomedical Technology (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a boiler gas zero emission system which comprises a boiler, wherein the gas discharge outlet of the boiler is connected with the inlet of gas purifying and filtering equipment by a pipeline, the outlet of the gas purifying and filtering equipment is connected with the inlet of a ventilator, and the outlet of the ventilator is connected with an air inlet of the boiler. The system can realize zero emission of tail gas of the boiler and prevent environment pollution caused by emission of tail gas of the boiler, and waste gas discharged from the gas discharge outlet of the boiler can be used as combustion air to be sent to the gas inlet of the boiler after treatment.
Description
Technical field
The present invention relates to boiler technology field, it particularly relates to a kind of boiler gas Zero discharging system.
Background technology
Boiler is a kind of energy conversion, has the fuel of heat energy to boiler input, changes through boiler, and outside output has the steam of certain heat energy, high-temperature water or organic heat carrier and produces and living needs for people.
During boiler uses, can discharge from the gas discharge outlet of boiler along with substantial amounts of waste gas, dust etc., the living environment of severe contamination surrounding resident, affect health.
The Chinese patent of Application No. 201510282723.X discloses a kind of low emission boiler, including boiler body, coal supply auger, heat exchanger and desulfurizer, is provided with burner hearth inside described boiler body, and burner hearth is low-temperature burning burner hearth；The both sides of the bottom of burner hearth are provided with front arch secondary air port and rear arch overfiren air port relatively, the top right side of burner hearth is provided with rear wall high position overfiren air port, and front arch secondary air port, rear arch overfiren air port ajutage all anti-with secondary air channel and flue gas with rear wall high position overfiren air port connect；Being provided with coal supply auger bottom described boiler body, be provided with motor on the left of coal supply auger, motor is mechanically connected with coal supply auger by the speed reducer coupling of reduction box, is provided with optoelectronic induction baffle plate at speed reducer coupling；It is by the quantity of accurate metering fuel, makes fuel combustion abundant, and burning waste gas discharges after desulfurizer processes again.
Although above-mentioned patent can process, through desulfurization, the harmful gas content reduced in waste gas, but: 1) waste gas that discharges still also has a small amount of harmful gas；2) waste gas discharged can take away substantial amounts of heat, the shortcoming with waste resource.
Summary of the invention
It is an object of the invention to provide a kind of boiler gas Zero discharging system, to overcome currently available technology above shortcomings.
For realizing above-mentioned technical purpose, the technical scheme is that and be achieved in that:
A kind of boiler gas Zero discharging system, including boiler, the gas discharge outlet of described boiler connects the import of gas purification filter plant by pipeline, and the outlet of described gas purification filter plant connects ventilation blower import, and the outlet of described ventilation blower connects the air intlet of boiler.
Further, it is provided with air-introduced machine between gas discharge outlet and the import of gas purification filter plant of described boiler.
Preferably, described boiler is coal-burning boiler, is provided with multi-pipe dust removing device between gas discharge outlet and the import of air-introduced machine of described coal-burning boiler.
Further, it is provided with louver between outlet and the ventilation blower import of described gas purification filter plant.
Preferably, it is provided with blood pressure lowering between outlet and the louver of described gas purification filter plant to relieve dizziness, high fever, infantile convulsions, epilepsy, etc. equipment.
Further, described multi-pipe dust removing device is provided with solid particle outlet.
Further, described gas purification filter plant includes that the three grades of gas purification processors being sequentially connected, three grades of described purifying processors are respectively dust purification filter, middle polishing filter and gas dryer.
Using after technique scheme, the present invention has a following beneficial effect:
(1) present invention can realize the zero-emission of boiler exhaust gas, stops boiler exhaust gas and discharges the environmental pollution caused, and the waste gas of the gas discharge outlet discharge of boiler is used as combustion air after processing and is re-fed into the air inlet of boiler；
(2) the multi-tube dusting equipment of the present invention may be used for the solid particle removing in the tail gas of boiler emission, reduces the particulate matter abrasion to air-introduced machine, improves the service life of air-introduced machine.
(3) the gas purification filter plant of the present invention is for carrying out purification filtering to the gas in pipeline, and through the process of gas purification filter plant, the gas in its exit basically reaches country's waste gas emission standard.
(4) louver of the present invention is for adding air, the oxygen in make-up gas in treated pot furnace exhaust gas, makes up boiler combustion heel row and goes out the shortcoming that the oxygen content of gas reduces.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment will be briefly described below, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of boiler gas Zero discharging system structural representation of the present invention；
In figure: 1, boiler；2, pipeline；3, multi-pipe dust removing device；4, air-introduced machine；5, gas purification filter plant；6, blood pressure lowering relieves dizziness, high fever, infantile convulsions, epilepsy, etc. equipment；7, louver；8, ventilation blower.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, all other embodiments that those of ordinary skill in the art are obtained, broadly fall into the scope of protection of the invention.
As shown in Figure 1, a kind of boiler gas Zero discharging system of the embodiment of the present invention, including boiler 1, the gas discharge outlet of described boiler 1 connects the import of gas purification filter plant 6 by pipeline 2, the outlet of described gas purification filter plant 6 connects ventilation blower 8 import, and the outlet of described ventilation blower 8 connects the air intlet of boiler 1.It is provided with air-introduced machine 4 between gas discharge outlet and the import of gas purification filter plant 6 of described boiler 1.
The present invention can be re-fed into the air intake of boiler 1 from the gas discharge outlet expellant gas of boiler 1 through gas purification filter plant 6 and ventilation blower 8 as combustion air, it is achieved the zero-emission of boiler 1 waste gas.Wherein, air-introduced machine 4 is for forcing to suck blood circulation by the air in boiler 1, it is achieved the forced circulation of gas.
In one embodiment, described boiler 1 is coal-burning boiler, is provided with multi-pipe dust removing device 3 between gas discharge outlet and the import of air-introduced machine 4 of described coal-burning boiler, and described multi-pipe dust removing device 3 is provided with solid particle outlet.Containing substantial amounts of solid particulate matter in waste gas after coal-fired boiler combustion, the solid particle that multi-pipe dust removing device 3 may be used for removing in the waste gas of boiler emission is set between the gas discharge outlet and air-introduced machine 4 import of coal-burning boiler, reduce its abrasion to air-introduced machine 4, extend the life-span of air-introduced machine 4.
In one embodiment, it is provided with louver 7 between outlet and ventilation blower 8 import of described gas purification filter plant 6.Described louver 7 is for being passed through air in ventilation blower 8, and the air being passed through enters the combustor of boiler 1 after ventilation blower 8, and the burning making fuel is more abundant, improves the utilization rate of fuel, saves the energy.Described louver 7 can be passed through air in the gas of circulation, makes the oxygen content of the gas of entrance boiler maintain normal level.
In one embodiment, it is provided with blood pressure lowering between outlet and the louver 7 of described gas purification filter plant 6 to relieve dizziness, high fever, infantile convulsions, epilepsy, etc. equipment 6.Described blood pressure lowering relieves dizziness, high fever, infantile convulsions, epilepsy, etc. equipment 6 for reducing the pressure of the outlet discharge gas from gas purification filter plant 6.
In one embodiment, described gas purification filter plant 5 includes that the three grades of gas purification processors being sequentially connected, three grades of described gas purification processors are respectively dust purification filter, middle polishing filter and gas dryer.The waste gas of boiler emission meets the waste gas emission standard of country after three grades purify, and can directly discharge, and in the embodiment of the present invention, waste gas through purification filtering is introduced the air inlet of boiler 1 again by ventilation blower 8, it is achieved that the zero-emission of waste gas.
Wherein, if dust purification filter is provided with dried layer dividing plate, dividing plate is provided with through hole, and the through hole on difference dividing plate is staggeredly arranged on vertical position, the top of dust purification filter is provided with water inlet, when dust purification, to polishing filter, water is added from the water inlet of dust purification filter, the water added can fully dissolve the dust entered in dust purification filter by the through hole on dividing plate layer by layer, dust purification filter is additionally provided with centrifugal device, the water being dissolved with dust is centrifuged the inwall to dust purification filter under the centrifugal action of centrifugal device, discharge from the bottom of dust purification filter.
Gas after dust removed by dust purification filter enters middle polishing filter and carries out desulfurization removing nitric purified treatment, during desulfurizing and purifying, by adding aqueous alkali in gas, possibly together with nitrogen oxides in the gas that desulfurization processes, remaining gas can be carried out denitrogenation processing by the gas after processing adds ammonia, moisture after desulfurization process and denitrogenation processing is discharged from the outlet at bottom of middle polishing filter, and the air after desulfurization and denitrogenation processing enters gas dryer and is dried process.
Hydrating structure it is provided with in gas dryer, described hydrating structure and vertical direction have an angle, described hydrating structure uses the material that water absorbing force is strong to make, absorbent material in gas dryer can fully absorb the steam in gas, and the gas after gas dryer processes is dry gas.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (7)
1. a boiler gas Zero discharging system, including boiler (1), it is characterized in that, the gas discharge outlet of described boiler (1) connects the import of gas purification filter plant (5) by pipeline (2), the outlet of described gas purification filter plant (5) connects ventilation blower (8) import, and the outlet of described ventilation blower (8) connects the air intlet of boiler (1).
A kind of boiler gas Zero discharging system the most according to claim 1, it is characterised in that be provided with air-introduced machine (4) between gas discharge outlet and the import of gas purification filter plant (5) of described boiler (1).
A kind of boiler gas Zero discharging system the most according to claim 2, it is characterised in that described boiler (1) is coal-burning boiler, is provided with multi-pipe dust removing device (3) between the import of the gas discharge outlet of described coal-burning boiler and air-introduced machine (4).
A kind of boiler gas Zero discharging system the most according to claim 1, it is characterised in that be provided with louver (7) between outlet and ventilation blower (8) import of described gas purification filter plant (5).
A kind of boiler gas Zero discharging system the most according to claim 4, it is characterised in that be provided with blood pressure lowering between outlet and the louver (7) of described gas purification filter plant (5) and relieve dizziness, high fever, infantile convulsions, epilepsy, etc. equipment (6).
6. according to the arbitrary described a kind of boiler gas Zero discharging system of claim 3-5, it is characterised in that described multi-pipe dust removing device (3) is provided with solid particle outlet.
A kind of boiler gas Zero discharging system the most according to claim 6, it is characterized in that, described gas purification filter plant (5) includes that the three grades of gas purification processors being sequentially connected, three grades of described gas purification processors are respectively dust purification filter, middle polishing filter and gas dryer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610311397.5A CN105823072A (en) | 2016-05-11 | 2016-05-11 | Boiler gas zero emission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610311397.5A CN105823072A (en) | 2016-05-11 | 2016-05-11 | Boiler gas zero emission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105823072A true CN105823072A (en) | 2016-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610311397.5A Pending CN105823072A (en) | 2016-05-11 | 2016-05-11 | Boiler gas zero emission system |
Country Status (1)
| Country | Link |
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| CN (1) | CN105823072A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062605A (en) * | 2017-03-20 | 2017-08-18 | 李宏江 | Ten kinds of zero-emission steam heat wind furnaces |
| CN108550440A (en) * | 2018-06-27 | 2018-09-18 | 邹文海 | A kind of tail gas zero-emission baking equipment producing enameled wire |
| CN109282277A (en) * | 2018-10-05 | 2019-01-29 | 绍兴不忘初心机械设计有限公司 | A kind of industrial coal powder boiler with center feeding rotational flow coal dust burner |
| CN110813014A (en) * | 2019-11-20 | 2020-02-21 | 广州金鹏环保工程有限公司 | Gas processing system |
| CN111964041A (en) * | 2020-08-26 | 2020-11-20 | 界首市华盛塑料机械有限公司 | Energy supply mechanism and boiler auxiliary machine based on same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06327936A (en) * | 1993-05-24 | 1994-11-29 | Chubu Electric Power Co Inc | Method for separating and recovering carbon dioxide in waste gas |
| CN102553378A (en) * | 2010-12-29 | 2012-07-11 | 曾弟武 | Flue gas zero emission device for industrial boiler |
| CN104964303A (en) * | 2015-05-28 | 2015-10-07 | 苏州斯洛莱自动化设备有限公司 | Low emission boiler |
| CN105042575A (en) * | 2015-07-27 | 2015-11-11 | 四川川锅锅炉有限责任公司 | Fuel and gas-fired boiler oxygen-enriched combustion smoke nearly-zero-emission power generation system |
| CN205678692U (en) * | 2016-05-11 | 2016-11-09 | 李凤来 | A kind of boiler gas Zero discharging system |
-
2016
- 2016-05-11 CN CN201610311397.5A patent/CN105823072A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06327936A (en) * | 1993-05-24 | 1994-11-29 | Chubu Electric Power Co Inc | Method for separating and recovering carbon dioxide in waste gas |
| CN102553378A (en) * | 2010-12-29 | 2012-07-11 | 曾弟武 | Flue gas zero emission device for industrial boiler |
| CN104964303A (en) * | 2015-05-28 | 2015-10-07 | 苏州斯洛莱自动化设备有限公司 | Low emission boiler |
| CN105042575A (en) * | 2015-07-27 | 2015-11-11 | 四川川锅锅炉有限责任公司 | Fuel and gas-fired boiler oxygen-enriched combustion smoke nearly-zero-emission power generation system |
| CN205678692U (en) * | 2016-05-11 | 2016-11-09 | 李凤来 | A kind of boiler gas Zero discharging system |
Non-Patent Citations (1)
| Title |
|---|
| 嵇敬文: "《除尘器》", 30 April 1981 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062605A (en) * | 2017-03-20 | 2017-08-18 | 李宏江 | Ten kinds of zero-emission steam heat wind furnaces |
| CN108550440A (en) * | 2018-06-27 | 2018-09-18 | 邹文海 | A kind of tail gas zero-emission baking equipment producing enameled wire |
| CN109282277A (en) * | 2018-10-05 | 2019-01-29 | 绍兴不忘初心机械设计有限公司 | A kind of industrial coal powder boiler with center feeding rotational flow coal dust burner |
| CN110813014A (en) * | 2019-11-20 | 2020-02-21 | 广州金鹏环保工程有限公司 | Gas processing system |
| CN111964041A (en) * | 2020-08-26 | 2020-11-20 | 界首市华盛塑料机械有限公司 | Energy supply mechanism and boiler auxiliary machine based on same |
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Application publication date: 20160803 |
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