CN105582767A - Energy-saving wet desulfurization dust remover without water steam fog emission - Google Patents
Energy-saving wet desulfurization dust remover without water steam fog emission Download PDFInfo
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- CN105582767A CN105582767A CN201410640076.0A CN201410640076A CN105582767A CN 105582767 A CN105582767 A CN 105582767A CN 201410640076 A CN201410640076 A CN 201410640076A CN 105582767 A CN105582767 A CN 105582767A
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Abstract
At present, fine dust, dissolved chemical substances, incompletely-combusted substances from a boiler, which are all carried by high-temperature gas flow, are very difficult to remove, what is more, in a chimney, which has thick water steam therefrom behind it just like a silver dragon, the emitted flue gas becomes a carrier of the pollutants, which causes very adverse influences on living environment of people and also is an important reason of forming haze. An energy-saving wet desulfurization dust remover without water steam fog emission is composed of a door, a water discharge ditch channel, a bottom, a bottom boiler, a laminar flow generator, an arc-shaped pot, a laminar flow generator cover, an energy saver, an air inlet and an air outlet, an air distributor, water inlet and outlet pipes for cooling water, water inlet and outlet pipes for process water, a siphon reliever, and a people hand hole. The energy-saving wet desulfurization dust remover allows flue gas to be repeatedly sprayed and moisturized, wherein dust removal and desulfurization are carried out repeatedly through temperature decreasing to remove fog and various methods, such as spray, cyclone and impact, the energy saver ensuring the quality at final, so that the dust are mixed with water completely and then is completely removed with water drops and fogs. The device is a great weapon against haze and develops dust removal and desulfurization to a higher level and achieves high flue gas emission standard. The emitted flue gas can be as fresh as air after rain. The device also saves energy by 5-10%. All investment of the device can be recouped within the service life.
Description
In recent years, China was not only city, comprised vast plains region, even some hilly countries, shallow mountain regionBand, azure sky disappears, be all dusky all day, evening brilliance the milky way, countless starDisappear totally, only have some stars sparse hang over sky, particularly haze together, visibility is tens ofRice, serious is even pitch-dark, brings very big inconvenience to human lives, and its toxicity jeopardizes the mankind'sLiving environment. Trace it to its cause be nothing but the uncombusted material of oil burning boiler, motor vehicle emission and some chemical substances,A large amount of fine dust, imperfect combustion thing and the sulfuration of the dust that removal causes, particularly discharged from coal-fired boilerChemical substances such as thing etc. are diffused in the air, perpetrator.
Small Coal-fired Boilers is removed in China cities and towns, and after banning use of, country's year coal consumption does not only reduce,Several times increase on the contrary, and dedusting, desulfurization facility are far not by far up to the mark, this year Environmental Protection Administration in the face of the whole nation de-Sulphur boiler not up to standard is imposed a fine, and emperor's sword frame is on their neck, affording general satisfaction, but whatOnly boiler not up to standard, even if the trickle flue dust of boiler emission up to standard, sulfide are quite fearful.
We have walked cities and towns, the area of several provinces and cities in recent years, have visited the boiler of some large enterprises, a lotAn all tens of rice and even even steam tails of hundreds of meters of over one hundred rice in tow of the chimney stalk of coal-burning boiler,Be " silver dragon ", however great majority " silver dragon " all with black gas, grey gas, dedusting is not up to standard, even slightly goodNot any yet not pure white, dustiness is obviously not low, and this is because fine dust particle is attached on steam,Enter the chemical substances such as atmosphere, particularly sulfide and imperfect combustion thing thereupon and contacted with water, dissolved inIn water, entered atmosphere with steam, these fine dust, imperfect combustion thing and chemical substance become justThe root of haze, steam mist has become their companion and carrying tools, is " taking advantage of dragon " and go also!So we say the dust-removal and desulfurizing facility of every " silver dragon " in tow long-tail, be also not even if detect up to standardThe deduster that can meet the demands, their not desulfurization (sulfide), not except fine dust and imperfect combustion thing,Namely defective, but removal fine dust etc. are but exceedingly difficult.
Our patent of invention " a kind of energy-saving comprehensive dust remover ", the patent No.: ZL00107105.X" laminar-flow type energy-saving multifunction deduster ", number of patent application: 98217188.9 etc. Successfully remove" silver dragon ", chimney is not smoldered, and testing result is much better than discharging standards, to fine dust and sulfurationThing has been shown its huge power, and the trial production stage has just obtained favorable comment, but in dismounting, when arcola quiltRemove, they also die young thereupon.
Along with the raising that this year, country required boiler dusting, desulfurization, we have summed up above-mentioned patent experience, grindMade their renewal product, anhydrous steam mist discharges energy-saving wet type desulfurizing dust collector, is mainly suitable forIn large medium-size boiler, particularly some stoves, remove the chemical substances such as fine dust and sulfide with profound level,Make its fume emission on the basis of qualified discharge, more improve a step.
Anhydrous steam mist discharges energy-saving wet type desulfurizing dust collector structural representation as shown in Figure 1
Fig. 1 anhydrous steam mist discharges energy-saving wet type desulfurizing dust collector structural representation, 1-1 in Fig. 1, door,Gutter passage; 1-2, the end, end pot; 1-3, laminar flow generator, arc-shaped pot; 1-4, laminar flow generator lid;1-5, energy-saving appliance; 1-6, inlet and outlet, fear wind device; 1-7, cooling water water inlet pipe and water outlet pipe; 1-8, fresh water (FW) enterOutlet pipe, siphon remover; 1-9, man-hand hole.
Wherein 1-2, the end,, end pot as shown in Figure 2. Fig. 2, the end, end pot schematic diagram. In Fig. 2,2-1, outerCylinder; 2-2, end pot; 1-6, inlet and outlet, fear wind device; 2-3, support system; 2-4, fresh water (FW) drainpipe,Siphon remover. Top fresh water (FW) sprays through spray head, and part becomes steam mist, and part falls into pot,After water level reach a certain height, around the water in end pot is from fresh water (FW) drainpipe the entering at pot bottom of this end potThe mouth of a river enters drainpipe, and among the end pot that upwards enters centre on edge, pot of the middle end is removed with siphon through itThe fresh water (FW) drainpipe of device is discharged end pot, flows into clear ashpit from ditch, and the water level in the pot of Bing Shi center keeps oneConstant altitude.
Fig. 3, laminar flow generator, arc-shaped pot schematic diagram. In Fig. 3,3-1, annular pot; 3-2., center pot;At the bottom of 3-3, annular pot fold-type; 3-4, fresh water (FW) drainpipe, siphon remover, shower, spray head; 3-5,Pot wall, gripper shoe; 3-6, vent passages; 3-7, laminar flow generator; 1-6, inlet and outlet, air distribution plate;2-1, urceolus. From 1-6 inlet and outlet, air distribution plate to 3-6, vent passages, turn respectively to laminar flow generator,Form multiple branches, then tune downwards, reach respectively the constant water surface of end pot top, then tune upwards, along eachGap between laminar flow generator and annular pot, center pot wall, to laminar flow generator lid, forms a band branchPassage. The shower water part on pot top flows into downwards in pot, and annular pot is folded to the water of top at the bottom of the folding shape of both sidesReach after certain height, rise along the fresh water (FW) drainpipe of water inlet bottom at the bottom of folding shape respectively, flow into adjacentBy top at the bottom of middle folding shape, successively at the bottom of an interfluent folding shape, and along it with siphon removerFresh water (FW) drainpipe flows out annular pot, flows to the fresh water (FW) shower in ventilating duct, from spray head ejection, shapeBecome second spray, make to keep in pot a constant water level simultaneously.
Fig. 4, laminar flow generator lid schematic diagram. In Fig. 4. 4-1, cover outer wall; 4-2, lid inwall; 4-3, workSkill water circular spray tube; 4-4, fresh water (FW) water inlet pipe; 4-5, spray head. Come from below laminar flow generatorPassage is turned left and right respectively to laminar flow generator lid, along the space between laminar flow generator lid and pot edge down toIn pot, after the constant water surface, tune upwards, upwards occurs at laminar flow from the space between laminar flow generator tegmental wall respectively againThe junction of the device side of covering, enters energy-saving appliance. Fresh water (FW) enters laminar flow generator tops from fresh water (FW) water inlet pipeFresh water (FW) annular spray header, in annular Guo He center pot and end pot below spray head sprays to, becomes theSpray, has so just formed the circular spray tube-spray of fresh water (FW) water inlet pipe-laminar flow generator cover process water togetherDrench and along flow in an arc-shaped pot, the center pot-shower-spray in fresh water (FW) drainpipe admission passage of pot wallDrench, from laminar flow generator inflow end pot-flow into gutter from fresh water (FW) drainpipe, form a band and dividedThe repeatedly spray system of fresh water (FW) of propping up.
Fig. 5, energy-saving appliance schematic diagram, in Fig. 5,5-1, top board; 5-2, unit interval plate; 5-3, energy-saving applianceCooling water pipe 5-4, airstream deflector; 5-5, downpipe; 1-6, inlet and outlet, fear wind device; 2-1, urceolus.Passage enters energy-saving appliance after the laminar flow generator side of covering converges, through one section of space, from energy-saving appliance cooling water pipeTo ventilation terminal air outlet, go out except economizing device. Enter deduster from air inlet, ventilation terminal like this, occur through laminar flowDevice forms the multiple branches of band, and up and down repeatedly deciliter, the spatial channel of bending turnover, to ventilation terminalAir outlet goes out deduster; Fresh water (FW) steam fog focuses on 5-5, overboard under being cooled in energy-saving appliance and condensingGuan Zhong, bottom at the bottom of inflow arc-shaped pot folding shape, gets back in fresh water (FW).
The structure of this deduster, is divided into three cover systems by three pairs of inlet and outlets and ventilation terminal, forms a set of mutualEntity that can complete fusion, every cover system can work alone again.
The function of this deduster is achieved in that smoke evacuation flue gas, from air inlet, enters deduster through ventilation terminal,In vent passages, fresh water (FW) shower nozzle carries out second spray to it, and the dust carrying is squirted, and strengthens heavyAmount, the chemical substance of carrying, sulphur, nitrogen oxide, there is chemistry with alkaline fresh water (FW) in imperfect combustion things etc.Reaction, is absorbed by fresh water (FW), and then accordant junction generator is made whirlwind, and large water drop, dust granule are got rid of to sending outRaw device outer wall, and rush at the constant water surface of end pot downwards with flue gas, carry out first and impact dedusting and dehydration steamMist, then upwards, between laminar flow generator, annular pot, upwards spray receiving layer flow-generator lid in space in tuneDrench the first spray that head is done, encounter after lid, divide right and left, whirlwind is for the second time made in rotation, the globule, ashDirt gets rid of to tegmental wall and, impacts annular pot, the constant water surface of center pot with flue gas tune downwards, does to impact for the second timeDedusting and dehydration steam fog. Through after repeatedly spray, whirlwind, impact dedusting, along space between tegmental wall to enterprisingEnter energy-saving appliance, after buffering reduction of speed, be cooled to below 80 DEG C through energy-saving appliance, even lower, steam coolingBacklash, to energy-saving appliance tube wall, condenses into water droplet and sticks on tube wall, flows in annular pot through downpipe along tube wall,Reach the chemical substances such as dehydration steam fog and a large amount of fine dust of carrying, imperfect combustion thing and sulfideObject.
Because flue gas laminar flow is among water smoke in deduster always, curve back and forth through upper and lower, left and right again andWhirlwind, impact, the various baptisms of spray, make time of staying speciality in deduster, with water smoke touch opportunityAt most, be that the several times of common granite duster are more than, make to be full of in flue gas water smoke, thereby make flue gas, chemistryMaterial is combined with water smoke completely, and this is one of high key reason of dust-removal and desulfurizing efficiency.
The flue gas that carries strong water smoke is through whirlwind repeatedly and impact the water surface, and the globule, water smoke are got rid of to tube wall and potIn the constant water surface, the globule, water smoke, flue dust, chemical substance are removed in a large number, like this through repeatedly water spray addAfter mist and dedusting demist, enter in energy-saving appliance through buffer, the heat carrying passed to the utilization of energy-saving appliance secondary,Can be the energy-conservation 5-10% of user, particularly for High-temp. kiln, energy-conservation ratio be higher, in its lifetime,Reduce expenses and be recoverable to duster system fully invested. Flue-gas temperature can drop to below 80 DEG C simultaneously, itsThe residue steam carrying all sticks to and in energy-saving appliance, is removed re-using, and that smoke moisture can reach is dryThe smoke moisture of formula duster system, even lower, become the dust removal installation without steam fog discharge, so justThe chemical substance of the fine dust in flue gas, dissolving, boiler is imperfect combustion, and thing is removed, and becomes hazeOne kills greatly device, dust-removal and desulfurizing is pushed to higher level, makes the discharge of the excellent mark of flue gas, the flue gas of discharge just as rain afterAir equally fresh.
40 tons of above large medium-size boilers and corresponding stoves adopt reinforcing bar eyelids to make, be coated with waterproof, anticorrosion, intensity is high,The coating high temperature resistant, surface smoothness is high, technique water pipe adopts stainless steel tube and high-temperature resistance plastice pipe, energy-conservationDevice adopts thin skin stainless steel tube, corrosion resistant plate and high temperature plastics pipe, fresh water (FW) adopt calcium hydroxide alkaline water andCalcium carbonate stone inserts, product economy practicality, easy to maintenance, the useful life phase is long, and cost performance is high especially.
Claims (5)
1. by 1-door, gutter passage, 1-2, the end, end pot, 1-3, laminar flow generator, arc-shaped pot, 1-4, laminar flow generator lid, 1-5, energy-saving appliance, 1-6, inlet and outlet, Fabric wind device, 1-7, cooling water water inlet pipe and water outlet pipe, 1-8, fresh water (FW) water inlet pipe and water outlet pipe, siphon remover, the anhydrous steam mist that 1-9, man-hand hole form discharges energy-saving wet type desulfurizing dust collector, it is characterized in that: enter deduster from air inlet, ventilation terminal, form the multiple branches of band through laminar flow generator, up and down repeatedly deciliter, the spatial channel of bending turnover, goes out deduster to ventilation terminal air outlet, fresh water (FW) is from fresh water (FW) water inlet pipe-laminar flow generator cover process water circular spray tube-spray and along flow into an arc-shaped pot, center pot-shower-spray in fresh water (FW) drainpipe admission passage of pot wall, from laminar flow generator inflow end pot-and flow into gutter from fresh water (FW) drainpipe, form the repeatedly spray system of fresh water (FW) of a band branch, smoke evacuation flue gas is from air inlet, enter deduster through ventilation terminal, in vent passages, fresh water (FW) shower nozzle carries out second spray to it, the dust carrying is squirted, strengthen weight, the chemical substance of carrying, sulphur, nitrogen oxide, imperfect combustion thing etc. and alkaline fresh water (FW) generation chemical reaction, absorbed by fresh water (FW), then accordant junction generator is made whirlwind, large water drop, dust granule gets rid of to generator outer wall, and rush at the constant water surface of end pot downwards with flue gas, carry out first and impact dedusting and dehydration steam fog, then tune upwards, from laminar flow generator, the space first spray that upwards spray head is done in receiving layer flow-generator lid between annular pot, encounter after lid, divide right and left, whirlwind is for the second time made in rotation, the globule, dust gets rid of to tegmental wall downward with flue gas tune, impact annular pot, the constant water surface of center pot, impact for the second time dedusting and dehydration steam fog. through after repeatedly spray, whirlwind, impact dedusting, upwards enter energy-saving appliance along space between tegmental wall, after buffering reduction of speed, be cooled to below 80 DEG C through energy-saving appliance, steam cooling backlash is to energy-saving appliance tube wall, condense into water droplet and stick on tube wall, flow in annular pot through downpipe along tube wall, reach the object of the chemical substances such as dehydration steam fog and a large amount of fine dust of carrying, imperfect combustion thing and sulfide.
2. anhydrous steam mist claimed in claim 1 discharges energy-saving wet type desulfurizing dust collector and it is characterized in that: 1-2, the end, end pot is by 2-1, urceolus; 2-2, end pot; 1-6, inlet and outlet, Fabric wind device; 2-3, support system; 2-4, fresh water (FW) drainpipe, siphon remover composition, top fresh water (FW) sprays through spray head, part becomes steam mist, part falls into pot, and after water level reach a certain height, around the water in end pot enters drainpipe from the fresh water (FW) drainpipe of this end pot at the water inlet of pot bottom, upwards entering among middle end pot of edge, pot of the middle end is discharged end pot through its fresh water (FW) drainpipe with siphon remover, flows into clear ashpit from ditch, and the water level in the pot of Bing Shi center keeps a constant altitude.
3. anhydrous steam mist claimed in claim 1 discharges energy-saving wet type desulfurizing dust collector and it is characterized in that: 1-3, laminar flow generator, arc-shaped pot are by 3-1, annular pot; 3-2., center pot; At the bottom of 3-3, annular pot fold-type; 3-4, fresh water (FW) drainpipe, siphon remover, shower, spray head; 3-5, pot wall, gripper shoe; 3-6, vent passages; 3-7, laminar flow generator; 1-6, inlet and outlet, air distribution plate; 2-1, urceolus form; From 1-6 inlet and outlet, air distribution plate to 3-6, vent passages, turn respectively to laminar flow generator, form multiple branches, tune downwards again, reach respectively the constant water surface of end pot top, then tune upwards, along the gap between each laminar flow generator and annular pot, center pot wall, to laminar flow generator lid, form the passage of a band branch; The shower water part on pot top flows into downwards in pot, annular pot is folded to the water of top at the bottom of the folding shape of both sides and reaches after certain height, rise along the fresh water (FW) drainpipe of water inlet bottom at the bottom of folding shape respectively, flow into adjacently by top at the bottom of middle folding shape, successively at the bottom of an interfluent folding shape, and the fresh water (FW) drainpipe with siphon remover flows out annular pot along it, flow to the fresh water (FW) shower in ventilating duct, from spray head ejection, form second spray, make to keep in pot a constant water level simultaneously.
4. anhydrous steam mist claimed in claim 1 discharges energy-saving wet type desulfurizing dust collector and it is characterized in that: 1-4, laminar flow generator lid are by 4-1, cover outer wall 4-2, lid inwall 4-3, fresh water (FW) circular spray tube 4-4, fresh water (FW) water inlet pipe; 4-5, spray head form; The passage coming from below laminar flow generator is turned left and right respectively to laminar flow generator lid, along laminar flow generator lid and pot, tune is upwards again after down to the constant water surface in pot the space between edge, respectively from the space between laminar flow generator tegmental wall upwards in the side's of the covering junction of laminar flow generator, enter energy-saving appliance; Fresh water (FW) enters the fresh water (FW) annular spray header of laminar flow generator tops from fresh water (FW) water inlet pipe, in annular Guo He center pot and end pot below spray head sprays to, become first spray.
5. anhydrous steam mist claimed in claim 1 discharges energy-saving wet type desulfurizing dust collector and it is characterized in that: 1-5, energy-saving appliance are by 5-1, top board; 5-2, unit interval plate; 5-3, energy-saving appliance cooling water pipe; 5-4, airstream deflector; 5-5, downpipe; 1-6, inlet and outlet, Fabric wind device; 2-1, urceolus form; Passage enters energy-saving appliance after the laminar flow generator side of covering converges, and through one section of space, from energy-saving appliance cooling water pipe to ventilation terminal air outlet, goes out except economizing device; Under fresh water (FW) steam fog is cooled and condenses in energy-saving appliance, focus in 5-5, downpipe, bottom at the bottom of inflow arc-shaped pot folding shape, gets back in fresh water (FW).
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| CN201410640076.0A CN105582767A (en) | 2014-11-14 | 2014-11-14 | Energy-saving wet desulfurization dust remover without water steam fog emission |
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| CN201410640076.0A CN105582767A (en) | 2014-11-14 | 2014-11-14 | Energy-saving wet desulfurization dust remover without water steam fog emission |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131742B (en) * | 2019-06-16 | 2024-04-26 | 清华大学 | Boiler smoke exhaust full-component treatment and resource recovery mode based on waste heat drive |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3122026A1 (en) * | 1981-06-03 | 1983-01-05 | Paul 7107 Bad Friedrichshall Christian | Apparatus for separating off liquids and solids from gases |
| CN1324997A (en) * | 2000-04-16 | 2001-12-05 | 宋焕炜 | Power-saving comprehensive duster |
| CN101104131A (en) * | 2007-04-02 | 2008-01-16 | 宋焕炜 | Energy-saving comprehensive wet type desulfurizing dust-removing device |
| CN202237763U (en) * | 2011-09-16 | 2012-05-30 | 彭映山 | Inclined rod grid spray desulfurization equipment |
| CN102755805B (en) * | 2012-05-22 | 2015-04-29 | 江门市普日智能设备工程有限公司 | Flue gas purification dust removal system for environmentally-friendly cremation machine |
-
2014
- 2014-11-14 CN CN201410640076.0A patent/CN105582767A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3122026A1 (en) * | 1981-06-03 | 1983-01-05 | Paul 7107 Bad Friedrichshall Christian | Apparatus for separating off liquids and solids from gases |
| CN1324997A (en) * | 2000-04-16 | 2001-12-05 | 宋焕炜 | Power-saving comprehensive duster |
| CN101104131A (en) * | 2007-04-02 | 2008-01-16 | 宋焕炜 | Energy-saving comprehensive wet type desulfurizing dust-removing device |
| CN202237763U (en) * | 2011-09-16 | 2012-05-30 | 彭映山 | Inclined rod grid spray desulfurization equipment |
| CN102755805B (en) * | 2012-05-22 | 2015-04-29 | 江门市普日智能设备工程有限公司 | Flue gas purification dust removal system for environmentally-friendly cremation machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131742B (en) * | 2019-06-16 | 2024-04-26 | 清华大学 | Boiler smoke exhaust full-component treatment and resource recovery mode based on waste heat drive |
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