CN2662983Y - Desulfurization dust-removing purifying equipment - Google Patents
Desulfurization dust-removing purifying equipment Download PDFInfo
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- CN2662983Y CN2662983Y CN 200320129532 CN200320129532U CN2662983Y CN 2662983 Y CN2662983 Y CN 2662983Y CN 200320129532 CN200320129532 CN 200320129532 CN 200320129532 U CN200320129532 U CN 200320129532U CN 2662983 Y CN2662983 Y CN 2662983Y
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- separation device
- dust separation
- desulfurization dust
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- dehydrator
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Abstract
The utility model relates to a desulfurizing dedusting purifying device having a body internally provided with a reaction absorbing liquid. The top of the body is provided with a venture syringe and an evaporator, and the bottom is provided with an ash case; wherein, the venture syringe has a top provided with an air outlet and a bottom provided with a water sealing tube arranged inside the body and extending into the reaction absorbing liquid; the body top is provided with a plurality of clapboards; moreover, one end of a connection pipe is connected with the body and the other end connects the evaporator. The desulfurizing dedusting purifying device provided in the utility model has the function of desulfurizing-dedusting integration, being applicable to the smoke purifying of the boiler and various boilers supplying the hot water and steam and the industrial furnaces, which overcomes the shortcoming of the known technology and promising a high desulfurizing dedusting efficiency, having the advantages of simple and reliable operation, small occupation and low investment.
Description
Technical field
The utility model relates to a kind of desulfurization dust separation device, the function that particularly has desulphurizing and dust-removing integral, be mainly used in the gas cleaning of boiler, and be applicable to various heat supply water, steam boiler and industrial furnace, the desulfurization dust separation device that can remove pernicious gases such as sulfur dioxide, purifies air.
Background technology
As everyone knows, coal-burning boiler is widely used in civilian and industrial trade, particularly coal in China reserves height, as a coal-fired big country, according to our existing national conditions, cancel coal in a short period of time, adopt clean gas fuel boiler that certain difficulty is arranged.But the coal-fired pernicious gases such as sulfur dioxide that produce cause very big pollution to environment, and the employed desulfurating dust removing device for flue gas of present most of users all is divided into three kinds of forms, wet method, dry method and semidry method.For example, Chinese patent 1091677 discloses a kind of desulfurating dust removing device for flue gas, its smoke desulfurization dust remover is an overall structure, desulfurization dust chamber wherein includes the spiral plate that cross section is a spiral of Archimedes, the bellows that the fume-dehydrating device is installed by the different coaxial line of a plurality of diameters constitutes, although can improve desulfurization dust-removing efficiency, complex structure.Chinese patent 1320474 discloses two sections absorptions of a kind of wet flue gas desulfurization and dust removal and method of trapping equipment, and the desulfurization and dedusting segmentation is carried out in this method, makes to absorb SO
2React the sedimentary purity height that generates, in catching a separator, set up rotational flow plate device, catching under the separator by catching droplet a part flow arrangement implementation dedusting and a gas-liquid separation, SO in epimere is undertaken gas by the desulfurization swirl-flow devices
2With Ca in the liquid (OH)
2Contact, reaction, desulfurization, dehydration.These prior art ubiquity equipment fluctuations of service, anticorrosion not passing a test, desulfuration efficiency is low, the big deficiency that waits of floor space.
The design people is at the defective that exists in the prior art, according to for many years in the accumulation of the experience and knowledge in desulfurization and dedusting field, through arduous research and development, the desulfurization dust separation device of the present utility model that develop pernicious gases such as to remove sulfur dioxide finally, purifies air.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of desulfurization dust separation device, by Venturi scrubber being set, reaching the function that has dedusting and remove pernicious gases such as sulfur dioxide.
For this reason, the utility model proposes a kind of desulfurization dust separation device, this desulfurization dust separation device has a body, has the reaction absorption liquid in the described body, and the top of described body is provided with a Venturi scrubber and a dehydrator, its underpart is provided with an ash bin, the top of described Venturi scrubber is air inlet, and the top of dehydrator is exhaust outlet, and the bottom of dehydrator is a water sealing (sealing water) pipe, it is arranged on described body interior, and stretches in the reaction absorption liquid; Described body internal upper part is provided with several dividing plates that are provided with at interval, and an end of a connecting pipe connects body, and the other end is connected with dehydrator.
Aforesaid desulfurization dust separation device, the lower edge of described Venturi scrubber to described intrinsic reaction absorption liquid static liquid identity distance from being 30 to 50 millimeters.
Aforesaid desulfurization dust separation device, described dividing plate is disposed on the body internal upper part for interlocking up and down, fixedly connected with described bodies top in its top of wherein superposed dividing plate, the dividing plate that is arranged in the bottom extend under the liquid level of described body reaction absorption liquid, fixedlys connected with the body inboard in its two ends.
Aforesaid desulfurization dust separation device, the whole height of described dehydrator are 2.5 to 3 times of dehydrator air inlet height.
Aforesaid desulfurization dust separation device, described body bottom is provided with back taper dust collection chamber, and described back taper dust collection chamber bottom is provided with described ash bin, and the angle of repose of described dust collection chamber is more than or equal to 56 degree.
Aforesaid desulfurization dust separation device, the back taper dust collection chamber of described body bottom is provided with one can make personnel go into interior manhole, and described manhole is a manhole to be opened/closed.
Aforesaid desulfurization dust separation device is provided with several nozzles in the described body, this nozzle connects one provides the pipeline that reacts absorption liquid.
At least one is positioned at Venturi scrubber the nozzle that is provided with in the aforesaid desulfurization dust separation device, described body, and all the other are distributed in the side of described dividing plate.
Aforesaid desulfurization dust separation device, the nozzle of described body setting are five, and wherein four nozzles are symmetricly set on described dividing plate near air inlet one side, and one is positioned at Venturi scrubber.
Aforesaid desulfurization dust separation device, described nozzle is connected with pipeline, and this pipeline other end is connected to the liquid level bottom of the reaction absorption liquid that is provided with in the described body, serial connection one force (forcing) pump on the described pipeline.
Desulfurization dust separation device of the present utility model compared with prior art, the advantage and the characteristics that possess are:
1, the utility model desulfurization dust separation device adopts inertial collision effect and turbulent flow technology, and the abundant mass transfer of gas-liquid repeatedly condenses dust and increases the efficiency of dust collection height.
2, the utility model desulfurization dust separation device has reasonably utilized the venturi technology, boiler smoke enters Venturi scrubber, because the bigger rational air velocity of liquid-gas ratio and throat, make the tiny drop of akaline liquid atomizing becoming of throat, effectively collision takes place with grit, the effect of rough dusting desulfurization has been played in the grit aggegation.
3, the utility model desulfurization dust separation device adopts the multistage atomizing technology, fully increases specific area, the desulfuration efficiency height.Alkali lye need not to set up circulating water pool by the circulating pump self-loopa in the utility model.
4, dedusting and desulphurization integrated in the desulfurization dust separation device of the present utility model, floor space is little, invests lowly, and operation is simple and reliable.
5, effective at desulfurization dust separation device dehydrator dehydrating demisting of the present utility model.
Description of drawings
Fig. 1 is the utility model desulfurization dust separation device first example structure schematic diagram;
Fig. 2 is the desulfurization dust separation device of the present utility model first example structure schematic top plan view of Fig. 1;
Fig. 3 is the desulfurization dust separation device second example structure schematic diagram of the present utility model;
Fig. 4 is the desulfurization dust separation device second example structure schematic top plan view of the present utility model.
The specific embodiment
Now contrast accompanying drawing and describe specific embodiment of the utility model in detail.
Please be simultaneously referring to Fig. 1 and 2, the structural representation of expression desulfurization dust separation device one embodiment of the present utility model among the figure.In the present embodiment, described desulfation dust-extraction device has a body 3, in the bottom of described body 3, is provided with an ash bin 1, is provided with a dehydrator 9 at the top of described body 3, is provided with the reaction absorption liquid in described body 3, can be alkaline absorption solution.The bottom of described dehydrator 9 is provided with a water sealing (sealing water) pipe 5, and described water sealing (sealing water) pipe 5 stretches into described body 3 inside, promptly stretches into below the liquid level A of described body 3 inner akaline liquids.The top of described dehydrator 9 is exhaust outlet 11, and the top of described body 3 is provided with air inlet 151, is provided with several dividing plates 4 that are provided with at interval at described body 3 internal upper parts.The air inlet place, top of the body 3 in the utility model is provided with installing one Venturi scrubber 15, and the air inlet 151 of described Venturi scrubber 15 is the air inlet of described body 3.
Be provided with a bend pipe 8 on the top of described body 3, the one end is connected to described body 3 tops, and its other end is connected to described dehydrator 9, and stretches into the dehydrator middle part.In the present embodiment, the whole height of described dehydrator 9 is 2.5 to 3 times of dehydrator 9 air inlet height.
By Fig. 1,2 as seen, in the desulfation dust-extraction device of the present utility model, described body 3 bottoms are a back taper dust collection chamber 12, described dust collection chamber 12 bottoms, one plasma discharge valve 121 is connected the ash bin 1 that its bottom is provided with, when opening valve the heavy mortar that combines in dust collection chamber 12 bottoms is discharged in the ash bin by quick plasma discharge valve 121, after closing this plasma discharge valve 121, can open ash bin 1 discharging mortar easily.For can the ash in the equipment is clear clean, present technique have strengthened the angle of repose α of dust collection chamber, and the angle of repose α of described back taper dust collection chamber 12 is more than or equal to 56 degree.Described body 3 bottoms, promptly this back taper dust collection chamber 12 is provided with one and can makes the manhole 2 of personnel in going into, and described manhole 2 is a manhole 2 to be opened/closed.
In the present embodiment, the bottom of described Venturi scrubber 15 stretch along to described intrinsic akaline liquid static liquid identity distance from being 30 to 50 millimeters.
Be provided with three dividing plates 4 at described body internal upper part, they are provided with at interval for staggered up and down, wherein fixedly connected with the top of described body 3 in the top of Shang Mian dividing plate 4, the dividing plate 4 that is positioned at the bottom extend under the liquid level of described body 3 neutral and alkali liquid, fixedly connected with the body inboard in its two ends, as shown in Figure 1, these three dividing plates are two times settings on.
Constituted the periodic duty chamber of washing flue gas as mentioned above at device interior of the present utility model.
In addition, the body 3 of desulfation dust-extraction device of the present utility model can be by stent support on the ground.The shape of cross section of body 3 is a rectangle, also can be other suitable shapes.
The operation principle of desulfurization dust separation device of the present utility model is: during work, utilize the power of blower fan, the ash-laden gas of boiler emission, send into equipment air inlet 151 through flue, in the present embodiment, the bottom of described Venturi scrubber extends to described intrinsic akaline liquid static liquid identity distance from being 30 to 50 millimeters, to impact the water surface when therefore the high speed flue gas flows to into body behind Venturi scrubber 15, formation splash spray, water smoke, make ash-laden gas, abundant and alkaline absorption solution reacts.The reative cell of separating through multistage retaining folding dividing plate 4 in body fully contacts with absorption liquid, impacts the water surface once again and make that most dust and pernicious gas are captured in the ash-laden gas before entering air outlet 11.Be with the aqueous vapor body after dehydrator 9 dehydrations of efficient low-resistance, the gas qualified discharge of purification, the aqueous vapor of deviating from drains into for 5 times in the alkaline absorption solution of body 3 through water sealing (sealing water) pipe.Reacted product is trapped in the alkaline absorption solution, and concentration constantly rises, and the dust of larger particles progressively is deposited in dust collection chamber 12, can be disposed to ash bin 1 by quick plasma discharge valve 121.In purifying operation, because the SO in absorption liquid and the flue gas
2Successive reaction, pH value need keep stable.Can alkaline matter (NaOH) be added in the body 3 by the attached water case gap that is connected with body 3 as required, adjust pH value to 8-10.If need to handle nitrogen oxide, need to add respective absorption liquid (the muddy liquid of yellow phosphorus) and handle.The grey pulp water that enters in the ash bin 1 needs regularly to remove, and can handle with slag.
Reasonably utilized the venturi technology in the present embodiment: the filtration velocity 40～50m/s of venturi air inlet throat, for the distance of the Venturi tube and the water surface is reasonable, the venturi lower edge is to the water surface (during static state) 30～50mm.Boiler smoke enters Venturi scrubber, owing to the bigger rational air velocity of liquid-gas ratio and throat, makes the tiny drop of akaline liquid atomizing becoming of throat, with grit effectively collision takes place, and grit condenses, and has played the effect of rough dusting desulfurization.
Shown in Fig. 3,4, in the present embodiment,, several nozzles 6 are set at the top of described body 3 in order further to improve the dust-removal and desulfurizing effect, described nozzle 6 connections one provide the pipeline 10 of akaline liquid.
Specific requirement in the present embodiment, the top of described body 3 is provided with four nozzles 6, these four nozzles 6 evenly are arranged on described dividing plate 4 near air inlet one side, and be positioned at dehydrator 9 water sealing (sealing water) pipes 5 and described body 3 the top link around, be water sealing (sealing water) pipe 5 with around the top link of described body 3, also be provided with a nozzle 6 in the described Venturi scrubber 15.Certainly, the quantity of described nozzle 6 can suitably increase according to the increase of purifier volume, has good desulfurization and dedusting effect to guarantee it.
Described nozzle 6 is connected with pipeline 10, this pipeline 10 serial connections one force (forcing) pump 13, and the other end of described force (forcing) pump 13 connects another pipeline 14, and described another pipeline 14 is connected in the described body 3, and the bottom of close body 3, is positioned at below the akaline liquid liquid level.Above-mentioned pipeline has constituted the spray pipeline, and therefore, alkali lye need not to set up circulating water pool by the circulating pump self-loopa in the utility model.In the utility model, make flue dust fully react, contact by having increased the multi-stage spray device with alkalies, promptly in flowing through the approach of reative cell (in the body 3), flue gas increased the two-stage spray equipment, make the chance that ash-laden gas increases by twice again and akaline liquid reacts like this, improved efficiency of dust collection and desulfuration efficiency.
Above-mentioned spray pipeline diameter can be φ 57 * 3.5, and flow velocity is 2 meter per seconds, and material is 316L.And spray pipeline and nozzle are convenient to maintenance and are changed very much, and circulation line and nozzle are dismantled and assembled structure, are convenient to maintenance of equipment.
Other structures and the operation principle of embodiment 2 are identical with embodiment 1, give unnecessary details no longer one by one at this.
After testing, desulfurization dust separation device efficiency of dust collection of the present utility model reaches more than 98%, and desulfuration efficiency reaches more than 90%.The desulfurization and dedusting effect reaches DB11/139-2002 " boiler discharge standard of air pollutants " (flue dust≤50mg/Nm
3, SO
2≤ 150mg/Nm
3Emission limit) requirement.
Claims (10)
1, a kind of desulfurization dust separation device, it is characterized in that: this desulfurization dust separation device has a body, has the reaction absorption liquid in the described body, the top of described body is provided with a Venturi scrubber and a dehydrator, and its underpart is provided with an ash bin, and the top of described Venturi scrubber is air inlet, the top of dehydrator is exhaust outlet, the bottom of dehydrator is a water sealing (sealing water) pipe, and it is arranged on described body interior, and stretches in the reaction absorption liquid; Described body internal upper part is provided with several dividing plates that are provided with at interval, and an end of a connecting pipe connects body, and the other end is connected with dehydrator.
2, desulfurization dust separation device as claimed in claim 1 is characterized in that: the lower edge of described Venturi scrubber to described intrinsic reaction absorption liquid static liquid identity distance from being 30 to 50 millimeters.
3, desulfurization dust separation device as claimed in claim 1, it is characterized in that: described dividing plate is disposed on the body internal upper part for interlocking up and down, fixedly connected with described bodies top in its top of wherein superposed dividing plate, the dividing plate that is arranged in the bottom extend under the liquid level of described body reaction absorption liquid, fixedlys connected with the body inboard in its two ends.
4, as each described desulfurization dust separation device of claim 1 to 3, it is characterized in that: the whole height of described dehydrator is 2.5 to 3 times of dehydrator air inlet height.
5, as each described desulfurization dust separation device of claim 1 to 3, it is characterized in that: described body bottom is provided with back taper dust collection chamber, and described back taper dust collection chamber bottom is provided with described ash bin, and the angle of repose of described dust collection chamber is more than or equal to 56 degree.
6, desulfurization dust separation device as claimed in claim 5 is characterized in that: the back taper dust collection chamber of described body bottom is provided with one can make personnel go into interior manhole, and described manhole is a manhole to be opened/closed.
7, as each described desulfurization dust separation device of claim 1 to 3, it is characterized in that: be provided with several nozzles in the described body, this nozzle connects one provides the pipeline that reacts absorption liquid.
8, desulfurization dust separation device as claimed in claim 7 is characterized in that: at least one is positioned at Venturi scrubber the nozzle that is provided with in the described body, and all the other are distributed in the side of described dividing plate.
9, desulfurization dust separation device as claimed in claim 8 is characterized in that: the nozzle of described body setting is five, and wherein four nozzles are symmetricly set on described dividing plate near air inlet one side, and one is positioned at Venturi scrubber.
10, desulfurization dust separation device as claimed in claim 9, it is characterized in that: described nozzle is connected with pipeline, and this pipeline other end is connected to the liquid level bottom of the reaction absorption liquid that is provided with in the described body, serial connection one force (forcing) pump on the described pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320129532 CN2662983Y (en) | 2003-12-19 | 2003-12-19 | Desulfurization dust-removing purifying equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320129532 CN2662983Y (en) | 2003-12-19 | 2003-12-19 | Desulfurization dust-removing purifying equipment |
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| CN2662983Y true CN2662983Y (en) | 2004-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320129532 Expired - Fee Related CN2662983Y (en) | 2003-12-19 | 2003-12-19 | Desulfurization dust-removing purifying equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107890733A (en) * | 2017-11-29 | 2018-04-10 | 郑州琨茂环保科技有限公司 | Jet microvesicle occurrence of equipment for granulation tower dedusting |
| CN110935287A (en) * | 2018-09-25 | 2020-03-31 | 中国石油化工股份有限公司 | Desulfurization device and flue gas dedusting, desulfurization and wastewater treatment method |
-
2003
- 2003-12-19 CN CN 200320129532 patent/CN2662983Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107890733A (en) * | 2017-11-29 | 2018-04-10 | 郑州琨茂环保科技有限公司 | Jet microvesicle occurrence of equipment for granulation tower dedusting |
| CN107890733B (en) * | 2017-11-29 | 2023-08-01 | 郑州琨茂环保科技有限公司 | Jet flow microbubble generating device for dedusting of prilling tower |
| CN110935287A (en) * | 2018-09-25 | 2020-03-31 | 中国石油化工股份有限公司 | Desulfurization device and flue gas dedusting, desulfurization and wastewater treatment method |
| CN110935287B (en) * | 2018-09-25 | 2022-06-07 | 中国石油化工股份有限公司 | Desulfurization device and flue gas dedusting, desulfurization and wastewater treatment method |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |