CN201840983U - Smoke gas dust removal and desulphurization device - Google Patents

Smoke gas dust removal and desulphurization device Download PDF

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Publication number
CN201840983U
CN201840983U CN2010205969606U CN201020596960U CN201840983U CN 201840983 U CN201840983 U CN 201840983U CN 2010205969606 U CN2010205969606 U CN 2010205969606U CN 201020596960 U CN201020596960 U CN 201020596960U CN 201840983 U CN201840983 U CN 201840983U
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CN
China
Prior art keywords
cavity
flue
desulfurization
gas dust
pipe
Prior art date
Application number
CN2010205969606U
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Chinese (zh)
Inventor
赵国顺
宁熙
蒋利韦
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深圳市翔宇环保科技有限公司
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Priority to CN2010205969606U priority Critical patent/CN201840983U/en
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Publication of CN201840983U publication Critical patent/CN201840983U/en

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Abstract

The utility model discloses a smoke gas dust removal and desulphurization device, which comprises a box body (16), wherein the bottom in the box body (16) is provided with a precipitation chamber (17) used for containing alkali liquor, a first cavity and a second cavity which are positioned above the precipitation chamber (17) and are separated by a separation plate (7) are arranged in the box body (16), the upper end of the first cavity and the upper end of the second cavity are respectively provided with a smoke inlet (1) and a smoke outlet (6), the bottom end of the separation plate (7) is provided with a self-excitation blade (4), an exhausting mechanism is arranged outside the smoke outlet (6), and the second cavity is also connected with an overflow mechanism. The smoke gas dust removal and desulphurization device has high purification efficiency, in addition, the circulation of the alkali liquor inside the box body is controlled through the overflow control, and the environment pollution caused by the discharge of a large amount of wastewater is avoided. Meanwhile, the utility model also has the characteristics of low cost and small area of occupied ground.

Description

A kind of flue-gas dust-removing and desulfurization device

Technical field

The utility model relates to environmental technology field, relates in particular to a kind of flue-gas dust-removing and desulfurization device.

Background technology

Growing along with modern industrial technology, the contaminative flue gas that produces in the using energy source process has become a very important problem to the harm that ecological environment and human lives bring.With heavy polluted industries such as power plant, heating boiler, glass manufacturings is example, not only temperature is higher for the flue gas that produces after fuel such as coal tar, natural gas, petroleum coke powder even raw coal burn in boiler or kiln, and comprise a large amount of dust, and harmful substance such as part oxysulfide, nitrogen oxide, if directly be disposed in the air, not only pollution of ecological environment, harm humans health, but also can corrode production equipment, whole production technology is caused adverse effect.

Flue gas ash removal generally includes dry method dust and wet dedusting, and equipment such as dry method dust general using gravity settling chamber, inertial dust separator, sack cleaner, cyclone dust collectors are applicable to the flue gas ash removal that temperature and concentration are lower, and are difficult to remove the SO in the flue gas 2, NO XDeng material; If dry method dust adopts electrostatic precipitator or pulsaire collector, can significantly improve purification efficiency, but cost is higher, therefore be difficult to be widely used in multiple occasion.Equipment such as wet dedusting general using spray column, impingement dust collector, Venturi scrubbing agent, bubble dust collector and water dust scrubber, be applicable to the strong flue gas ash removal of temperature height, corrosivity that above said all kinds of kilns produce, yet these equipment are discharged a large amount of subacidity waste water and are caused secondary pollution easily.

The utility model content

The main technical problems to be solved in the utility model is that a kind of flue-gas dust-removing and desulfurization device that improves purification efficiency and avoid secondary pollution is provided.

For solving the problems of the technologies described above, the utility model provides a kind of flue-gas dust-removing and desulfurization device, comprise casing, bottom in the described casing is provided with the mud chamber that is used to hold alkali lye, comprise first cavity and second cavity that are positioned at top, described mud chamber and utilize dividing plate to separate in the described casing, the upper end of described first cavity and second cavity has into mouth and outlet flue respectively, and described dividing plate bottom is provided with the self-excitation blade; Described outlet flue is provided with air draft mechanism outward, and described second cavity also is connected with overflow mechanism.

Further, described bottom half is provided with Machine for cleaning-out ash, and described mud chamber offers ash hole in the bottom, and the ash inlet of described ash hole and described Machine for cleaning-out ash is tightly connected.

Preferably, described mud chamber is a back taper, and described ash hole is located on the angled side walls of described mud chamber.

In a kind of embodiment, described overflow mechanism comprises pipe and balance pipe in spill box, communicating pipe, overflow pipe, the case;

Described spill box is positioned at described casing outside, described communicating pipe, two ends were communicated with the liquid in alkali lye in the described mud chamber and the described spill box respectively, described balance pipe one end is communicated with described second cavity, the other end is communicated with described spill box top, Guan Yiduan probes into the liquid in the spill box in the described case, the other end is stayed liquid external, and described overflow pipe extends downwards from the sidewall of described spill box, and its position of stretching out described spill box is higher than the bottom of pipe in the described case.

Preferably, on the described balance pipe overflow control valve is installed also.

Be horizontally disposed with at least one row's venturi rod in described first cavity.

Further, above the described venturi rod alkali lye shower nozzle that a plurality of sprays are directed downwards is set.

Also offer dosing mouth on the sidewall of described first cavity, described dosing mouth is positioned at top, described mud chamber.

Further, inwardly stretch out a plurality of wiper blade of removing on the inwall of described second cavity.

Preferably, the wiper blade of removing on relative two inwalls is provided with at interval along the short transverse of described second cavity.

The beneficial effects of the utility model are: the desulfurization degree height of dust-removal and desulfurizing equipment of the present utility model, good dedusting effect, and by rational overflow control, make the consumption liquid measure of casing minimum, avoided secondary pollution, also can in time handle the sediment in the mud chamber, save floor space and equipment cost, be a kind of multi-functional flue gas purifying equipment that is widely used in multiple industrial circle, all kinds of industrial and mining enterprises.

Description of drawings

Fig. 1 looks schematic diagram for the flue-gas dust-removing and desulfurization device master of a kind of embodiment of the utility model;

Fig. 2 is the flue-gas dust-removing and desulfurization device schematic top plan view of a kind of embodiment of the utility model;

Fig. 3 is along the cutaway view of A-A direction among Fig. 1.

The specific embodiment

In conjunction with the accompanying drawings the utility model is described in further detail below by the specific embodiment.

Please refer to Fig. 1 and Fig. 2, the flue-gas dust-removing and desulfurization device of present embodiment comprises casing 16, and the bottom in the casing 16 is provided with mud chamber 17, wherein holds a certain amount of alkali lye, the grit that flue gas is deviate from after purified treatment all can be deposited in the bottom of alkali lye, and can discharge as required.Also comprise first cavity and second cavity in the casing 16, two cavitys all are positioned at 17 tops, mud chamber and utilize dividing plate 7 to be spaced from each other, first cavity upper end for the flue-gas dust-removing and desulfurization device to enter mouth 1, the second cavity upper end be the outlet flue 6 of flue-gas dust-removing and desulfurization device.Dividing plate 7 bottoms are provided with self-excitation blade 4, being provided with air draft mechanism outside the outlet flue 6 can outwards bleed, thereby make second cavity or the whole box body 16 inner certain negative pressure that form, second cavity also is connected with overflow mechanism, so that the water level of alkali lye is discharged after surpassing the water level that overflow mechanism is provided with automatically in the casing 16.The flue-gas dust-removing and desulfurization device of present embodiment is under the effect of self-excitation blade 4, flue gas is taken off dirt, desulfurization and denitration fully to be handled, therefore purification efficiency is very high, and adopt overflow mechanism to discharge waste water, on the basis that does not influence clean-up effect, most of waste water are recycled as much as possible in casing 16 inside, avoid discharging too many waste water and cause secondary pollution.

The shape of the self-excitation blade 4 of present embodiment and big I are according to concrete needs setting, and for example blade and the lower blade by S shape is connected to form.When pending flue gas after advancing mouth 11 and entering first cavity, the high speed flue gas impacts downwards, make self-excitation blade 4 rotation at a high speed under the effect of impulsive force, rotating speed is up to 10m/s~35m/s, drive the non-plane motion of flue gas simultaneously along self-excitation blade 4, thereby impact liquid level and form a large amount of bubbles, moisture film and water droplet, in this process, grit in the flue gas is subjected to the absorption affinity of centrifugal force and alkali lye and breaks away from flue gas, sufficient neutralization reaction generation salt takes place in oxysulfide and alkaline spray film simultaneously, be communicated with the bottom that grit is deposited in mud chamber 7 in the lump, this process also can be deviate from most of heavy metal and HCI, pernicious gases such as HF simultaneously.At last, treated flue gas is upwards motion in second cavity, and discharges through outlet flue 6.

Casing 16 bottoms of present embodiment also are provided with Machine for cleaning-out ash 9, and the earth, salt or other sediments that are used for mud chamber's 17 bottom precipitations are handled.The mud chamber offers ash hole 18 in 17 bottoms, and ash hole 18 is tightly connected with the ash inlet of Machine for cleaning-out ash 9, directly exports all kinds of sediments to Machine for cleaning-out ash 9 and handles.Also offer dosing mouth 8 on the sidewall of first cavity, this dosing mouth 8 is positioned at 7 tops, mud chamber, is used for adding NaOH, NaCO to mud chamber 7 3Deng alkaline matter, improve the detergent power of alkali lye.In a kind of preferred mode, mud chamber 17 is a back taper, and promptly its sidewall slope is provided with, and inner width progressively reduces from top to bottom, is convenient to sediment is concentrated on the bottom, so that discharge.In this embodiment, ash hole 18 is located on the angled side walls of mud chamber 17, and Machine for cleaning-out ash 9 is obliquely installed too, and its ash inlet is corresponding with ash hole 18 positions of mud chamber 17, can in time discharge sediment, avoids blocking.And after sediment in time handled, can therefore simplify equipment in order to avoid establish facility special disposal sediment such as sedimentation basin, reduced cost.

A kind of overflow mechanism that present embodiment provides comprises pipe 14 and balance pipe 11 in spill box 10, communicating pipe 13, overflow pipe 15, the case.Wherein, spill box 10 is positioned at casing 16 outsides, and inside holds certain amount of fluid, for example alkali lye or water.Communicating pipes 13, two ends were communicated with alkali lye in the mud chamber 17 and the liquid in the spill box 10 respectively, and the liquid in the mud chamber 17 can be flowed freely to spill box 10; Balance pipe 11 1 ends are communicated with second cavity, and the other end is communicated with spill box 10 tops, make the space in second cavity and the spill box 10 keep air pressure balance, promptly all form negative pressure; Pipe 14 can vertically be provided with in the case, one end probes into the liquid in the spill box 10, the other end is stayed this liquid external, overflow pipe 15 extends downwards from the sidewall of spill box 10, its position of stretching out spill box 10 is higher than the bottom of pipe 14 in the case, because overflow pipe 15 extends downwards and is communicated with ambient atmosphere, to stretch out the position maintenance of spill box 10 concordant with overflow pipe 15 all the time for the liquid level in the case in the pipe 14.

When utilizing the overflow mechanism of present embodiment to carry out overflow control, under the effect of balance pipe 11, water in the spill box 10 is concordant with the liquid level maintenance in the casing 16, in case 16 alkali lye are too much in the casing, then the water in the casing 16 can be imported spill box 10 automatically by communicating pipe 13, thereby the liquid level in the spill box 10 is increased, when in case the water level in the spill box 10 is higher than the top of pipe 14 in the case, these liquid that exceed can flow into the interior pipe 14 of case raises its liquid level, and since in the case liquid level of pipe in 14 keep concordant with the position that overflow pipe 15 stretches out spill box 10 all the time, therefore cause overflow pipe 15 to discharge a part of liquid automatically.After adopting this overflow mechanism, make the most alkali lye in the casing 16 can both circulation in realizing, avoid a large amount of acid waste water discharges and cause secondary pollution.

Further, overflow control valve 12 is installed also on the balance pipe 11, operating personnel can realize overflow control more neatly by this overflow control valve 12 of operation.

As shown in figures 1 and 3, be horizontally disposed with at least one row's venturi rod 3 in first cavity, these venturi rod 3 tops also are provided with the alkali lye shower nozzle 2 that a plurality of sprays are directed downwards, jet velocity can reach 23m/s~31m/s, after flue gas enters first cavity, can be under the effect of the alkali lye that sprays into cooling rapidly, and the water smoke generation neutralization reaction that forms with alkali lye.Venturi rod 3 can be hollow or solid construction, and the certain distance in interval can effectively promote the mass transfer between the gas-liquid two-phase between adjacent two venturi rods 3, improves purification efficiency.

In addition, the flue-gas dust-removing and desulfurization device of present embodiment also has dehydrating function, particularly, the inwall of second cavity inwardly stretches out a plurality of wiper blade 5 of removing, these remove wiper blade 5 can assemble the moisture that contains in the flue gas that upwards flows the purification back, and make water flow and form water droplet and flow downward to mud chamber 7 along the inwall of second cavity, so that recycling.The shape, size and the inclined degree that remove wiper blade 5 can be provided with flexibly, quantity also can be set as required, for example in the present embodiment, the wiper blade 5 of removing on two inwalls of second cavity is provided with at interval along the short transverse of second cavity, form the multilayer dehydrated structure, help discharging the moisture in the flue gas more.

The desulfurization degree of dust-removal and desulfurizing equipment of the present utility model can reach more than 90%, dust removing effects is more than 96%, purification efficiency height not only, and by rational overflow control, be that the interior consumption liquid measure of casing is minimum, pollution-free, also can in time handle the sediment in the mud chamber, having saved floor space and equipment cost, is a kind of multi-functional flue gas purifying equipment that is widely used in multiple industrial circle, all kinds of industrial and mining enterprises.

Above content be in conjunction with concrete embodiment to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.

Claims (10)

1. flue-gas dust-removing and desulfurization device, comprise casing (16), bottom in the described casing (16) is provided with the mud chamber (17) that is used to hold alkali lye, it is characterized in that, comprise first cavity and second cavity that are positioned at top, described mud chamber (17) and utilize dividing plate (7) to separate in the described casing (16), the upper end of described first cavity and second cavity has into mouth (1) and outlet flue (6) respectively, and described dividing plate (7) bottom is provided with self-excitation blade (4); Described outlet flue (6) is outer to be provided with air draft mechanism, and described second cavity also is connected with overflow mechanism.
2. flue-gas dust-removing and desulfurization device as claimed in claim 1, it is characterized in that, described casing (16) bottom is provided with Machine for cleaning-out ash (9), and ash hole (18) is offered in described mud chamber (17) bottom, and described ash hole (18) is tightly connected with the ash inlet of described Machine for cleaning-out ash (9).
3. flue-gas dust-removing and desulfurization device as claimed in claim 2 is characterized in that, described mud chamber (17) are back taper, and described ash hole (18) is located on the angled side walls of described mud chamber (17).
4. flue-gas dust-removing and desulfurization device as claimed in claim 1 is characterized in that, described overflow mechanism comprises pipe (14) and balance pipe (11) in spill box (10), communicating pipe (13), overflow pipe (15), the case;
Described spill box (10) is positioned at described casing (16) outside, described communicating pipe, (13) two ends were communicated with alkali lye in the described mud chamber (17) and the liquid in the described spill box (10) respectively, described balance pipe (11) one ends are communicated with described second cavity, the other end is communicated with described spill box (10) top, pipe (14) one ends probe into the liquid in the spill box (16) in the described case, the other end is stayed liquid external, described overflow pipe (15) extends downwards from the sidewall of described spill box (10), and its position of stretching out described spill box (10) is higher than the bottom of pipe (14) in the described case.
5. flue-gas dust-removing and desulfurization device as claimed in claim 4 is characterized in that, overflow control valve (12) also is installed on the described balance pipe (11).
6. as each described flue-gas dust-removing and desulfurization device in the claim 1 to 5, it is characterized in that, be horizontally disposed with at least one row's venturi rod (3) in described first cavity.
7. flue-gas dust-removing and desulfurization device as claimed in claim 6 is characterized in that, described venturi rod (3) top is provided with the alkali lye shower nozzle (2) that a plurality of sprays are directed downwards.
8. as each described flue-gas dust-removing and desulfurization device in the claim 1 to 5, it is characterized in that, also offer dosing mouth (8) on the sidewall of described first cavity, described dosing mouth (8) is positioned at top, described mud chamber (7).
9. as each described flue-gas dust-removing and desulfurization device in the claim 1 to 5, it is characterized in that, inwardly stretch out a plurality of wiper blade (5) of removing on the inwall of described second cavity.
10. flue-gas dust-removing and desulfurization device as claimed in claim 9 is characterized in that, the wiper blade (5) of removing on relative two inwalls is provided with at interval along the short transverse of described second cavity.
CN2010205969606U 2010-11-08 2010-11-08 Smoke gas dust removal and desulphurization device CN201840983U (en)

Priority Applications (1)

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CN2010205969606U CN201840983U (en) 2010-11-08 2010-11-08 Smoke gas dust removal and desulphurization device

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Application Number Priority Date Filing Date Title
CN2010205969606U CN201840983U (en) 2010-11-08 2010-11-08 Smoke gas dust removal and desulphurization device

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CN201840983U true CN201840983U (en) 2011-05-25

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103041685A (en) * 2012-10-15 2013-04-17 天津市亿博制钢有限公司 Sulfur and dust removing method for boiler
CN104548913A (en) * 2015-01-16 2015-04-29 浦江县安恒进出口有限公司 Desulphurization and dust removal device with spray head
CN104606995A (en) * 2015-01-16 2015-05-13 汪涛 Desulfuration and dust removal equipment provided with filter

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103041685A (en) * 2012-10-15 2013-04-17 天津市亿博制钢有限公司 Sulfur and dust removing method for boiler
CN104548913A (en) * 2015-01-16 2015-04-29 浦江县安恒进出口有限公司 Desulphurization and dust removal device with spray head
CN104606995A (en) * 2015-01-16 2015-05-13 汪涛 Desulfuration and dust removal equipment provided with filter
CN104606995B (en) * 2015-01-16 2016-08-24 山东格润内泽姆环保科技有限公司 A kind of desulfurating dust-removing equipment of band filter
CN104548913B (en) * 2015-01-16 2016-08-24 响水富梅化工有限公司 A kind of desulfurating dust-removing equipment with atomizer

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110525

Termination date: 20111108