CN201586475U

CN201586475U - Impact desulfurization dust collector

Info

Publication number: CN201586475U
Application number: CN2010201004581U
Authority: CN
Inventors: 张殿坤
Original assignee: 张殿坤
Current assignee: Anhui Jinsenyuan Environmental Protection Engineering Co.,Ltd.
Priority date: 2010-01-22
Filing date: 2010-01-22
Publication date: 2010-09-22
Anticipated expiration: 2020-01-22

Abstract

The utility model discloses an impact desulfurization dust collector comprising a main barrel and an auxiliary barrel which are arranged side by side, and the upper parts of the main barrel and the auxiliary barrel are connected in series, wherein the lower end of the auxiliary barrel is provided with an air outlet, and a barrel core column is arranged in the main barrel; and a jet atomizer, a wet-type rotational flow layer and a dry-type rotational flow layer are sequentially arranged in the main barrel from bottom to top, and one side of the lower end of the main barrel is provided with a sewage draining exit. The impact desulfurization dust collector is characterized in that the other side of the lower end of the main barrel is communicated with an impact pre-desulfurization dust collection tower. In the device, desulfurization and dust collection are compounded to be accomplished in one equipment, thereby saving floor space and investment; and the impact desulfurization dust collector has high dust collection efficiency, strong desulfurization capability, capability of realizing comprehensive utilization of energy sources, simple and convenient operation, good stability and long service life of nonmetallic granite structure equipment.

Description

The impact type desulfurizing dust-collector

Technical field:

The utility model relates to a kind of flue purifier of boiler, specifically a kind of impact type desulfurizing dust-collector.

Background technology:

The flue gas that fuel oil or coal-burning boiler and various industrial furnace produce all needs to discharge after the purified treatment, exactly because contain a large amount of SO in this class flue gas ₂Need to handle, existing at present all kinds of disengaging dedusters are used for deviating from the SO of flue gas ₂As the patent No. is that 200720034676.8 Chinese patent discloses " a kind of high-efficiency desulfurizing dust-collector ", series connection constitutes on top with secondary tube by the main tube that is arranged side by side for it, there is the gas outlet secondary tube lower end, be provided with a stem stem in the main tube, and in main tube, be provided with atomizer from bottom to top, the wet-type rotational flow plate, dry type eddy flow plate, the venturi type flue is communicated with lower end one side of main tube, the opposite side of main tube lower end is provided with sewage draining exit, the drawback that is communicated with the venturi type flue of main tube is, after a large amount of flue dust enters king-tower by flue, very easily cause the eddy flow plate in the main tube to stop up, it mainly is volume of smoke, it contained a large amount of dust obstruction eddy flow plates after sulfur-containing smoke gas entered the eddy flow plate, a large amount of in addition sulphur exists, very easily cause crystallization again, and influence the normal operation of desulfurizing dust-collector, facts have proved that the reason that the eddy flow plate stops up is that the clarifying smoke degree causes inadequately.

Summary of the invention:

For overcoming the defective of prior art, the purpose of this utility model is to provide a kind of impact type desulfurizing dust-collector, utilize the space at former venturi type flue place, set up the pre-desulfurization and dedusting tower of impact type, at first carry out the pre-desulfurization and dedusting of impact type, dirt in the flue gas is removed more than 95%, and sulfur dioxide is absorbed about 80%, thereby fundamentally improves the gas cleaning degree that enters in the main tube.

The utility model technical solution problem adopts following technical scheme:

The impact type desulfurizing dust-collector, comprise the main tube and the secondary tube that are arranged side by side and form series connection on top, secondary tube lower end is provided with the gas outlet, be provided with a stem stem in the described main tube, be disposed with blast atomizer, wet spin fluid layer and dry type eddy flow layer from bottom to top in the main tube, one side of main tube lower end is provided with sewage draining exit, and the opposite side of described main tube lower end is communicated with the pre-desulfurization and dedusting tower of impact type; The pre-desulfurization and dedusting tower of described impact type comprises second impulse chamber that is communicated with in the bottom with described main tube, and the top of second impulse chamber is provided with blast atomizer; First impulse chamber is arranged side by side with second impulse chamber and is communicated with in the bottom and is provided with the baffling wallboard of inclination in connection place, and the top of first impulse chamber is an air inlet, and is provided with blast atomizer at the top, and the shoulder of first impulse chamber also is provided with the disturbance fountain head.

Compared with the prior art, the beneficial effects of the utility model are embodied in:

The utility model is connected with the pre-desulfurization and dedusting tower of impact type in the porch of main tube, the flue gas that boiler comes at first enters first impulse chamber, carrying out following current with the high atomisation carbonated drink that the spray nozzle of its import department's setting sprays contacts, make the flue gas cool-down humidification, wherein grit is increased, humidification, weightening finish, install at the first impulse chamber sidepiece under the perturbation action of disturbance fountain head, quicken the humidification and the increase of grit, with higher flow velocity, directly impact the bottom water surface, a large amount of dirt and sulfur dioxide are tentatively removed, then flue gas is under the effect of baffling wallboard, baffling enters second impulse chamber, the desulfurization and dedusting liquid counter current contacting of getting off with its top, thereby further remove a large amount of dirt and sulfur dioxide, this stage can reach dirt and remove more than 95%, sulfur dioxide removal is more than 80%, enter then in the main tube of desulfurizing dust-collector, through test, flue gas is through behind the pre-desulfurization and dedusting tower, dirt is removed more than 95%, sulfur dioxide is absorbed about 80%, the main tube of process back flue gas is at blast atomizer again, the effect of tube stem stem and eddy flow plate rotation rising down enters the wet-type rotational flow plate, the moisture film that desulfurization and dedusting liquid forms on blade and eddy flow plate is subjected to the impact of high speed flue gas, in plate, form the fluidisation attitude, strong the mixing of gas-liquid two-phase brush, increased the mass transport process of gas-liquid, residual dirt and sulfur dioxide in the flue gas are further removed, and the actual measurement efficiency of dust collection reaches as high as more than 99.5%, and desulfurization degree can reach 95%.

Dust-removal and desulfurizing is compounded in the same equipment and finishes, and saves to take up an area of, reduce investment outlay; Efficiency of dust collection height, desulphurizing ability are strong; Realize the comprehensive utilization of the energy; Easy and simple to handle, good stability; Nonmetal granite structural device long service life.

Description of drawings:

Fig. 1 is a structural representation of the present utility model; Fig. 2 is a workflow schematic diagram of the present utility model.

Number in the figure: 1 main tube, 2 secondary tubes, 3 gas outlets, 4 stem stems, 5 blast atomizers, 6 wet spin fluid layers, 7 dry type eddy flow layers, 8 sewage draining exits, the pre-desulfurization and dedusting tower of 9 impact types, 10 second impulse chamber, 11 first impulse chamber, 12 air inlets, 13 disturbance fountain heads, 14 baffling wallboards.

Below pass through the specific embodiment, and the utility model is described in further detail in conjunction with the accompanying drawings.

The specific embodiment:

Embodiment: in conjunction with Fig. 1, the impact type desulfurizing dust-collector of present embodiment, comprise and be arranged side by side main tube 1 and secondary tube 2, be the natural granite material, main tube and secondary tube form series connection on top, and secondary tube lower end is provided with gas outlet 3, be provided with a stem stem 4 in the main tube, be disposed with blast atomizer 5, wet spin fluid layer 6 and dry type eddy flow layer 7 from bottom to top in the main tube, a side of main tube lower end is provided with sewage draining exit 8, and the opposite side of main tube lower end is communicated with the pre-desulfurization and dedusting tower 9 of impact type.

Shown in Figure 1, the pre-desulfurization and dedusting tower 9 of impact type comprises with the top of main tube 1 second impulse chamber, 10, the second impulse chamber that are communicated with in the bottom and is provided with blast atomizer 5; First impulse chamber 11 and second impulse chamber 10 are arranged side by side and are communicated with and are provided with in connection place in the bottom baffling wallboard 14 of inclination, the top of first impulse chamber is an air inlet 12, and the shoulder that is provided with blast atomizer 5, the first impulse chamber at the top also is provided with disturbance fountain head 13.

The course of work of the present utility model, in conjunction with Fig. 2, open air-introduced machine, various kilns and Industrial Boiler outlet ash-laden gas, at first carrying out following current with the high atomisation carbonated drink that the blast atomizer of air inlet 12 places setting sprays contacts, make the flue gas cool-down humidification, wherein grit is increased, humidification, weightening finish, under the perturbation action of disturbance fountain head 13 water sprays, quicken the humidification and the increase of grit, with higher flow velocity, directly impact the bottom water surface, a large amount of dirt and sulfur dioxide are tentatively removed, then flue gas is under the effect of baffling wallboard 14, baffling enters second impulse chamber 10, the desulfurization and dedusting liquid counter current contacting of getting off with its top, thereby further remove a large amount of dirt and sulfur dioxide, this stage can reach dirt and remove more than 95%, sulfur dioxide removal is more than 80%, then flue gas is entered in the main tube 1 by the bottom, at blast atomizer 5, the effect of tower stem stem 4 and eddy flow plate rotation rising down enters wet spin fluid layer 6, the moisture film that desulfurization and dedusting liquid forms on blade and eddy flow plate is subjected to the impact of high speed flue gas, in plate, form the fluidisation attitude, strong the mixing of gas-liquid two-phase brush, increased the mass transport process of gas-liquid, residual dirt and sulfur dioxide in the flue gas are further removed, the actual measurement efficiency of dust collection reaches as high as more than 99.5%, desulfurization degree can reach for 95% (two alkali process pH values are about at 7.5 o'clock), had thoroughly avoided dry type eddy flow layer steam-water separator phenomenon of blocking.In the demist plate of traditional design, it is far from being enough only solving demist, in the master-plan of desulfurizer, will fully solve the distribution of " liquid-gas ratio " and water ring and distribute and climb, the gas of " gas-liquid is risen altogether " water spot of water spot spatters and question synthesis such as capture is considered, also will take into full account the problem of coagulation band water simultaneously, it is the design key place, to guarantee that just the smoke discharging temperature more than dew-point temperature, does not produce any phenomenon of condensing, fundamentally solve entraining water problem.

Claims

1. impact type desulfurizing dust-collector, comprise the main tube (1) and the secondary tube (2) that are arranged side by side and form series connection on top, secondary tube lower end is provided with gas outlet (3), be provided with a stem stem (4) in the described main tube, be disposed with blast atomizer (5), wet spin fluid layer (6) and dry type eddy flow layer (7) from bottom to top in the main tube, one side of main tube lower end is provided with sewage draining exit (8), it is characterized in that, the opposite side of described main tube lower end is communicated with the pre-desulfurization and dedusting tower of impact type (9);

The pre-desulfurization and dedusting tower of described impact type (9) comprises second impulse chamber (10) that is communicated with in the bottom with described main tube (1), and the top of second impulse chamber is provided with blast atomizer (5); First impulse chamber (11) is arranged side by side and is communicated with and is provided with in connection place in the bottom baffling wallboard (14) of inclination with second impulse chamber (10), the top of first impulse chamber is air inlet (12), and being provided with blast atomizer at the top, the shoulder of first impulse chamber also is provided with disturbance fountain head (13).