阅读说明：本技术 一种玻璃厂废气脱硝方法 (A kind of glass factory's exhaust gas denitration method ) 是由 徐青山 于 2019-08-22 设计创作，主要内容包括：本发明公开了一种玻璃厂废气脱硝方法,具体涉及废气净化技术领域,包括煤气室,所述煤气室一侧设有空气储热室,所述空气储热室输出端设有除尘箱,所述除尘箱与空气储热室之间设有回气管,所述回气管中部设有第一引风机,所述除尘箱输出端设有脱硝除尘塔。本发明通过采用选择性非催化还原脱硝方法在空气蓄热室对玻璃窑炉废气进行脱硝,降低了处理成本,具有极大的经济效益和社会效益,氨气与NO<Sub>X</Sub>在850-1100℃环境下反应为N<Sub>2</Sub>和H<Sub>2</Sub>O,通过喷枪均匀喷出氨气,在混合反应空间8内部使NO<Sub>X</Sub>能够充分反应,且反应速度快,脱硝效果好,从而使排入大气的废气达到环保要求,工艺简单,便于推广使用。(The invention discloses a kind of glass factory's exhaust gas denitration methods, more particularly to waste gas purification technical field, including gas chamber, the gas chamber side is equipped with air heat accumulation room, air heat accumulation room output end is equipped with dust cleaning case, it is equipped with muffler between the dust cleaning case and air heat accumulation room, the first air-introduced machine is equipped in the middle part of the muffler, the dust cleaning case output end is equipped with denitration dust collecting tower.The present invention carries out denitration to glass furnace exhaust gas in air regenerator by using selective non-catalytic reduction method of denitration, reduces processing cost, has great economic benefit and social benefit, ammonia and NO X Reaction is N under 850-1100 DEG C of environment 2 And H 2 O uniformly sprays ammonia by spray gun, makes NO inside hybrid reaction space 8 X It can sufficiently react, and reaction speed is fast, denitration effect is good, thus make the exhaust gas meet the requirement of environmental protection for being discharged into atmosphere, simple process, convenient for promoting the use of.)

1. a kind of glass factory's exhaust gas denitration method, including gas chamber (1), gas chamber (1) side is equipped with air heat accumulation room (2), air heat accumulation room (2) output end is equipped with dust cleaning case (3), it is characterised in that: the dust cleaning case (3) and air heat accumulation room (2) it is equipped with muffler between, is equipped with the first air-introduced machine (4) in the middle part of the muffler, dust cleaning case (3) output end is equipped with denitration Gas wash tower (5), denitration dust collecting tower (5) output end are equipped with desulfurized dust collection column (6), and the denitration dust collecting tower (5) is removed with desulfurization The second air-introduced machine (11) are equipped between chimney (6), are equipped with ammonia tank (7) on the outside of the gas chamber (1) and air heat accumulation room (2), institute It states and is respectively connected with hydraulic pipeline between gas chamber (1) and air heat accumulation room (2) and ammonia tank (7), be equipped in the middle part of the hydraulic pipeline Evaporator, atomizer and cyclone, the hydraulic pipeline are equipped with spray gun, air heat accumulation room (2) far from one end of ammonia tank (7) Inside is equipped with hybrid reaction space (8), specific steps are as follows:

Step 1: gas chamber (1) flame provides thermal energy, and burns and generates exhaust gas, the exhaust gas generate after with glass furnace exhaust gas one It is same to collect and be transmitted to air heat accumulation room (2) inter-process, while a small amount of exhaust gas of residual in gas chamber (1)；

Step 2: large quantity of exhaust gas is evenly spread out after entering in air heat accumulation room (2), is prepared at hybrid reaction space (8) anti- It answers, extracts ammonia tank (7) internal ammonium hydroxide by hydraulic pipeline and be transmitted to gas chamber (1) and air heat accumulation room (2), and pass through evaporation Device, atomizer and cyclone are processed into ammonia, from being ejected in hybrid reaction space (8) in spray gun and NO in exhaust gas_XReaction, instead N should be generated₂And H₂O carries out disposable denitration；

Step 3: disposable denitration completes post-processing exhaust gas and enters dust cleaning case (3) dedusting, under the first air-introduced machine (4) effect, removes Exhaust gas after the dirt denitration process again inside muffler returning air heat accumulation, sufficiently reacts away NO in exhaust gas_X；

Step 4: NO in exhaust gas_XAfter the reaction was completed, remainder of exhaust gas is transmitted to denitration dust collecting tower (5) further denitration process, it is real Now complete denitration；

Step 5: under the second air-introduced machine (11) effect, the exhaust gas of complete denitration enters desulfurized dust collection column (6) desulfurizing and purifying, obtains To qualified safety dumping gas, safety is discharged.

2. a kind of glass factory's exhaust gas denitration method according to claim 1, it is characterised in that: the hybrid reaction space (8) it is arranged at 850-1100 DEG C of position of regenerative chamber, is equipped with bearer arch (9) inside the hybrid reaction space (8).

3. a kind of glass factory's exhaust gas denitration method according to claim 2, it is characterised in that: at the top of the bearer arch (9) It is equipped with tubular brick with bottom, the bearer arch (9) and tubular brick are made of the brick of zirconium mullite -30 or spinelle material.

4. a kind of glass factory's exhaust gas denitration method according to claim 2, it is characterised in that: the bearer arch (9) is by indulging Fire bars (91) and horizontal fire bars (92) composition, the quantity of the vertical fire bars (91) are set as multiple, and multiple vertical fire bars (91) are flat Row distribution, the quantity of the horizontal fire bars (92) are set as three, and three horizontal fire bars (92) are symmetrically divided about vertical fire bars (91) Cloth, and vertical fire bars (91) and horizontal fire bars (92) vertical distribution.

5. a kind of glass factory's exhaust gas denitration method according to claim 1, it is characterised in that: set inside the ammonia tank (7) There is ammonium hydroxide, the mass percent concentration of the ammonium hydroxide is set as 17-24%.

6. a kind of glass factory's exhaust gas denitration method according to claim 1, it is characterised in that: the spray gun setting is mixing Reaction compartment (8) is internal, and the quantity of the spray gun is set as multiple, and multiple spray guns are evenly distributed on hybrid reaction space (8) inner wall.

7. a kind of glass factory's exhaust gas denitration method according to claim 2, it is characterised in that: air heat accumulation room (2) Side is equipped with peep hole (10), and the peep hole (10) matches with hybrid reaction space (8).

Technical field

The present invention relates to waste gas purification technical fields, it is more particularly related to a kind of exhaust gas denitration side, glass factory Method.

Background technique

Contain some nitrogen oxides (NO in the exhaust gas of glass factory's discharge_X), photochemistry can be caused anti-under the action of sunlight It answers, photochemical fog is formed, to cause serious atmosphere pollution.High-content nitric acid rain, photochemical fog, ozone reduce and Some other problem with the low concentration of NO in atmosphere_XThere is relationship.Nitrogen oxides pollution is a kind of important environmental problem, with The control standard of the development of economy and society, nitrogen oxides will be gradually stringent.In order to further decrease nitrogen oxygen in glass factory's exhaust gas The content of compound, it is necessary to which denitration process is carried out to the exhaust gas that glass furnace generates.

Exhaust gas denitration refers to the NO in exhaust gas_XIt is reduced to N₂, to remove the NO in exhaust gas_X.Glass manufacture is looked forward at present Owner will carry out exhaust gas denitration using SCR technology.Melting tank flame space exhaust gas largely enters air regenerator It is introduced into denitrating tower after dedusting afterwards and enters desulfurizing tower using air-introduced machine, since desulphurization denitration tower space is limited, so can Exhaust gas can be prevented to cause to handle nitrogen oxides and sulfide therein completely from reacting completely with its catalyst, then It is discharged directly into atmosphere.In addition processing is not can be carried out into a small amount of exhaust gas of gas chamber, so the exhaust gas of discharge is caused to be not achieved Environmental protection standard.On the other hand, under the conditions of this method is existing for the catalyst, using ammonia, CO or hydrocarbon etc. as also Former agent, in the presence of oxygen by the NO in exhaust gas_XIt is reduced to N₂, however Cucumber easily makes catalyst poisoning in exhaust gas Failure, dust particle covering catalyst surface make its activity decline.

Therefore, it is necessary to solve the above problems to invent a kind of glass factory's exhaust gas denitration method.

Summary of the invention

In order to overcome the drawbacks described above of the prior art, the embodiment of the present invention provides a kind of glass factory's exhaust gas denitration method, Denitration is carried out to glass furnace exhaust gas in air regenerator by using selective non-catalytic reduction method of denitration, reduces processing Cost, blowing out install that the phase is short, method is simple, have great economic benefit and social benefit, ammonia and NO_XAt 850-1100 DEG C Reaction is N under environment₂And H₂O uniformly sprays ammonia by spray gun, makes NO in hybrid reaction space interior_XIt can sufficiently react, And reaction speed is fast, denitration effect is good, for a long time full and uniform mixing, thus make the exhaust gas meet the requirement of environmental protection for being discharged into atmosphere, Simple process, convenient for promoting the use of, to solve the problems mentioned in the above background technology.

To achieve the above object, the invention provides the following technical scheme: a kind of glass factory's exhaust gas denitration method, including coal gas Room, the gas chamber side are equipped with air heat accumulation room, and air heat accumulation room output end is equipped with dust cleaning case, the dust cleaning case and sky It is equipped with muffler between gas heat accumulation room, the first air-introduced machine is equipped in the middle part of the muffler, the dust cleaning case output end is equipped with denitration Gas wash tower, the denitration dust collecting tower output end are equipped with desulfurized dust collection column, are equipped between the denitration dust collecting tower and desulfurized dust collection column Second air-introduced machine, the gas chamber and air heat accumulation outside are equipped with ammonia tank, the gas chamber and air heat accumulation room and ammonia tank it Between be respectively connected with hydraulic pipeline, evaporator, atomizer and cyclone are equipped in the middle part of the hydraulic pipeline, the hydraulic pipeline is separate One end of ammonia tank is equipped with spray gun, and the air heat accumulation chamber interior is equipped with hybrid reaction space, specific steps are as follows:

Step 1: gas chamber flame provides thermal energy, and burns and generate exhaust gas, which receives together with glass furnace exhaust gas after generating Collect and be transmitted to the processing of air heat accumulation chamber interior, while a small amount of exhaust gas of residual in gas chamber；

Step 2: large quantity of exhaust gas is evenly spread out after entering in air heat accumulation room, prepares reaction at hybrid reaction space, is extracted Ammonium hydroxide is transmitted to gas chamber and air heat accumulation room by hydraulic pipeline inside ammonia tank, and passes through evaporator, atomizer and cyclone It is processed into ammonia, from being ejected in hybrid reaction space in spray gun and NO in exhaust gas_XReaction, reaction generate N₂And H₂O carries out one Secondary property denitration；

Step 3: disposable denitration completes post-processing exhaust gas and enters dust cleaning case dedusting, under the effect of the first air-introduced machine, after dedusting Exhaust gas denitration process again inside muffler returning air heat accumulation, sufficiently reacts away NO in exhaust gas_X；

Step 4: NO in exhaust gas_XAfter the reaction was completed, remainder of exhaust gas is transmitted to the further denitration process of denitration dust collecting tower, realized Complete denitration；

Step 5: under the effect of the second air-introduced machine, the exhaust gas of complete denitration enters desulfurized dust collection column desulfurizing and purifying, obtains qualification Safety dumping gas, safety are discharged.

In a preferred embodiment, the hybrid reaction space is arranged at 850-1100 DEG C of position of regenerative chamber, The hybrid reaction space interior is equipped with bearer arch.

In a preferred embodiment, be equipped with tubular brick at the top and bottom of the bearer arch, the bearer arch and Tubular brick is made of the brick of zirconium mullite -30 or spinelle material.

In a preferred embodiment, the bearer arch is made of vertical fire bars and horizontal fire bars, the number of the vertical fire bars Amount is set as multiple, and multiple vertical fire bars parallelly distribute ons, the quantity of the horizontal fire bars is set as three, three horizontal fire bars It is symmetrical about vertical fire bars, and vertical fire bars and horizontal fire bars vertical distribution.

In a preferred embodiment, ammonium hydroxide, the mass percent concentration of the ammonium hydroxide are equipped with inside the ammonia tank It is set as 17-24%.

In a preferred embodiment, the spray gun is arranged in hybrid reaction space interior, the quantity of the spray gun It is set as multiple, multiple spray guns are evenly distributed on hybrid reaction space wall.

In a preferred embodiment, air heat accumulation room side be equipped with peep hole, the peep hole with mix Reaction compartment matches.

Technical effect and advantage of the invention:

1, denitration is carried out to glass furnace exhaust gas in air regenerator by using selective non-catalytic reduction method of denitration, reduced Processing cost, blowing out install that the phase is short, method is simple, have great economic benefit and social benefit, ammonia and NO_XIn 850- Reaction is N under 1100 DEG C of environment₂And H₂O uniformly sprays ammonia by spray gun, makes NO in hybrid reaction space interior_XIt can be abundant Reaction, and reaction speed is fast, denitration effect is good, for a long time full and uniform mixing, so that the exhaust gas for being discharged into atmosphere be made to reach environmental protection It is required that simple process, convenient for promoting the use of；

2, by bearer arch increase ammonia with and exhaust gas in nitrogen oxides bring enough reaction compartments and reaction time, it is multiple Spray gun is uniformly distributed, and can make NO_XThe case where peep hole is reserved in sufficiently reaction, observes bearer arch at any time, while guaranteeing bearer arch Fire resisting and corrosion resistance extend the service life of device, not only save the expense of catalyst, can be on conventional equipment basis Upper transformation saves the infusion of financial resources of many equipment, and project cost is low, arrangement is simple, occupied area is small, and old glass factory is suitble to change It makes.

Detailed description of the invention

Fig. 1 is the overall flow figure of exhaust-gas treatment of the present invention.

Fig. 2 is the structural schematic diagram in hybrid reaction space of the present invention.

Fig. 3 is the bottom view of bearer arch of the present invention.

Fig. 4 is partial sectional view of the invention.

Fig. 5 is exhaust-gas treatment embodiment of the present invention referring to flow chart.

Appended drawing reference are as follows: 1 gas chamber, 2 air heat accumulation rooms, 3 dust cleaning cases, 4 first air-introduced machines, 5 denitration dust collecting towers, 6 desulfurization Gas wash tower, 7 ammonia tanks, 8 hybrid reaction spaces, 9 bearer arches, 91 vertical fire bars, 92 horizontal fire bars, 10 peep holes, 11 second air-introduced machines.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.