CN104258675B - A kind of incinerator waste gas purification apparatus - Google Patents
A kind of incinerator waste gas purification apparatus Download PDFInfo
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- CN104258675B CN104258675B CN201410491705.8A CN201410491705A CN104258675B CN 104258675 B CN104258675 B CN 104258675B CN 201410491705 A CN201410491705 A CN 201410491705A CN 104258675 B CN104258675 B CN 104258675B
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Abstract
The invention discloses a kind of incinerator waste gas purification apparatus, it comprises incinerator waste gas purification apparatus body, the exhaust inlet pipe be communicated with the exhaust outlet of its incinerator body, the end of described exhaust inlet pipe is communicated with deduster, dedusting baffle plate and lower dedusting baffle plate on being provided with in deduster, upper dedusting baffle plate and lower dedusting baffle interval are crisscross arranged, the end of deduster is communicated with waste gas exhaust pipe, the end of its waste gas exhaust pipe is communicated with exhaust chimney, the madial wall of exhaust chimney is provided with, lower staggered left supported plate and right supported plate, left supported plate is provided with the pre-spraying ventilating device of flue gas, right supported plate is provided with flue gas spray desulfurizer, waste gas purification pond is formed bottom exhaust chimney, the present invention manufactures, install simple, floor space is little, the toxic gas produced in energy filtering fired coal combustion process, heavy metal and dust, efficiently solve exhaust pollution problems, and avoid inner easily explosion caused because air pressure the is excessive danger of device.
Description
Technical field
The present invention relates to a kind of waste gas purification apparatus, be specifically related to a kind of waste gas purification apparatus being applicable to incinerator, belong to environmental protection device technical field.
Background technology
Along with the fast development of science and technology, people more and more pay attention to environmental protection, also more and more higher to the requirement of air quality, and incinerator is as coal-fired or discarded object being burned to the device exchanging heat energy or process refuse for, dislike because of pollutants such as, heavy metals containing a large amount of sour gas (as sulfurous gas), dust, two in the flue gas discharged by incinerator after its burning coal or discarded object, if without dealing carefully with, just more serious pollution can be caused to atmospheric environment, in order to the waste gas discharged incinerator purifies and processes, prior art proposes kinds of schemes, if publication number is CN103353115A, application number is the Chinese patent application of CN201310230391.1, it discloses a kind of Multifunctional incinerator with gas cleaning process, be provided with incinerator, cooling system, sack cleaner, exhaust system, combustion air fan is provided with in the body of heater of incinerator, burner hearth, airduct in stove, enter bin gate, burner, fire bars, except ash bin, body of heater chimney, running water pipe, magnetic valve, dust removal showerhead, leak hawk, floating ash bin and flue gas flashboard.Body of heater is fixed on pedestal, is 15 degree of angles of inclination with pedestal, is convenient to pan feeding and burns; Roof of the furnace is provided with flue gas flashboard, the adjustable furnace operation pressure of flue gas flashboard; Floating ash bin is positioned at the periphery of body of heater chimney, and floating ash bin is connected with burner hearth by leaking hawk; Floating ash bin is provided with dust removal showerhead, and dust removal showerhead can make the floating ash produced in burning process reenter burner hearth continuation burning, reaches the object of thoroughly incinerating completely; Burning process produces high-temperature flue gas can carry out heat exchange with normal-temperature water in cooler bin, and high-temperature flue gas is down to less than 200 DEG C instantaneously.This technology has features such as incinerating thoroughly, efficiency of dust collection is high, environment protecting is good, but can not filtering sour gas, heavy metal and two evils because of etc. noxious pollutant.And for example application number is CN201320298179.4, publication number is the Chinese patent application of CN203329600U, it discloses a kind of incinerator smoke treatment and purification device, comprise whirlwind devulcanizer, multistage rotary dust collector, gas cleaning pond, whirlwind devulcanizer smoke outlet is connected with multistage rotary dust collector, and multistage rotary dust collector is connected with gas cleaning pond; Described multistage rotary dust collector is built with the activated carbon removing dioxin; The pond body section in described gas cleaning pond is set to square, in gas cleaning pond, arrange Liqiud-gas mixing device under aqueous solution LCL, and Liqiud-gas mixing device top is provided with bamboo sieve, wood sieve and anti-corrosion fleece successively.This technology is provided with multi-stage flue gas treating apparatus, has certain effect to pernicious gas such as removing dioxin etc., but the air pressure of purifier inside involved by this technology is comparatively large, there is explosive potential safety hazard, and the desulfurized effect of whirlwind devulcanizer is poor.
In addition, prior art uses more technology to also have in flue gas desulfurization: absorb the sour gas in flue gas by absorbent slurry.The flue gas self-temperature produced due to fired coal combustion is higher, and the gas componant more complicated in flue gas, higher requirement is had to the temperature tolerance of desulphurization plant, corrosion resistance, and existing absorbent slurry only can play good desulfurized effect to the sour gas in common flue gas, and the flue gas that the fired coal combustion higher to temperature produces, its desulfurized effect and efficiency are all poor.
Summary of the invention
In order to solve prior art above shortcomings, the present invention spy proposes a kind of incinerator waste gas purification apparatus, it comprises incinerator body, the exhaust inlet pipe be communicated with the exhaust outlet of incinerator body, the end of this exhaust inlet pipe is communicated with deduster, dedusting baffle plate and lower dedusting baffle plate on being provided with in deduster, upper dedusting baffle plate and lower dedusting baffle interval are crisscross arranged, the end of deduster is communicated with waste gas exhaust pipe, the end of its waste gas exhaust pipe is communicated with exhaust chimney, the madial wall of exhaust chimney is provided with, lower staggered left supported plate and right supported plate, left at it, right supported plate is respectively equipped with the pre-spraying ventilating device of flue gas and flue gas spray desulfurizer, waste gas purification pond is formed bottom exhaust chimney, the present invention manufactures, install simple, floor space is little, the toxic gas that can produce in the coal-fired or waste combustion process of filtering, heavy metal and dust, efficiently solve exhaust pollution problems, and avoid inner easily explosion caused because air pressure the is too high risk of device.
The present invention solves its technical problem, the technical scheme adopted is: a kind of incinerator waste gas purification apparatus, comprise incinerator body, the exhaust inlet pipe be communicated with the exhaust outlet of incinerator body, the end of described exhaust inlet pipe is communicated with deduster, its design feature is: be provided with dedusting baffle plate and lower dedusting baffle plate in deduster inside, described upper dedusting baffle plate and lower dedusting baffle interval are crisscross arranged, upper dedusting baffle plate is suspended in deduster upper end inwall, lower dedusting baffle plate is fixed on deduster lower end inner wall, the surface of upper dedusting baffle plate and lower dedusting baffle plate is provided with biological nano film, the end of described deduster is communicated with waste gas exhaust pipe, the end of waste gas exhaust pipe is communicated with exhaust chimney, the madial wall of exhaust chimney is provided with, lower staggered left supported plate and right supported plate, on a left side, the side of right supported plate arranges the pre-spraying ventilating device of flue gas, opposite side arranges flue gas spray desulfurizer, the pre-spraying ventilating device of flue gas and flue gas spray desulfurizer are equipped with some shower nozzles, the bottom of exhaust chimney is provided with waste gas purification pond, liquid level in waste gas purification pond exceedes the outlet of waste gas exhaust pipe, the bottom in waste gas purification pond is provided with discharge outlet and draining valve.
Above-mentioned incinerator waste gas purification apparatus, described discharge outlet is connected with filtration cistern by drainage pipeline, it is filtered cistern and is connected with the intake pool of flue gas spray desulfurizer by the intake pool of connecting pipe spraying ventilating device pre-with flue gas respectively, and is provided with booster pump in its connecting pipe.
Above-mentioned incinerator waste gas purification apparatus, in filtration cistern, be provided with screen pack and sewage draining exit, connecting pipe is arranged on the upside of filtering cistern, and is connected with filtration cistern by screen pack.
Above-mentioned incinerator waste gas purification apparatus, is provided with the mark that floats, when floating mark rises to predetermined altitude with water level, namely opens draining valve in waste gas purification pond.
Above-mentioned incinerator waste gas purification apparatus, described draining valve is resilient support ball valve, comprise valve ball, valve body, valve seat, sealing gasket and spring, valve body, valve seat and sealing gasket are provided with the hole of hollow, in valve body, be also provided with stepped hole, sealing gasket is arranged on valve seat, and spring fitting is in the hole of valve body, valve ball is pushed against on the sealing gasket of valve seat under the elastic force of spring promotes, and makes ball valve keep closed condition; When acting on the hydraulic pressure on valve ball and exceeding the motive force of spring to valve ball, spring-compressed, the sealing gasket that valve ball is lifted off a seat, ball valve is opened.
Above-mentioned incinerator waste gas purification apparatus, the pre-spraying ventilating device of described flue gas by inlet channel with in advance spray intake pool and is connected, be provided with pond water for cooling device and filter spraying in intake pool in advance, its inlet channel be provided with booster pump.
Above-mentioned incinerator waste gas purification apparatus, described flue gas spray desulfurizer is connected with desulfurization intake pool by desulfurization water inlet pipe, in desulfurization intake pool, be added with the alkaline absorbent removing sulfide, and be provided with agitator in desulfurization intake pool, desulfurization water inlet pipe is provided with booster pump.
Above-mentioned incinerator waste gas purification apparatus, described alkaline absorbent is one or more in calcium carbonate, calcium oxide, calcium hydroxide.
Above-mentioned incinerator waste gas purification apparatus, described waste gas drainpipe is for being obliquely installed, and its nose end be connected with deduster, higher than the nose end be connected with exhaust chimney, enters in deduster to prevent the water adverse current in waste gas purification pond.
Above-mentioned incinerator waste gas purification apparatus, be provided with skimming door in the bottom of described deduster, top is installed on relief valve, filtering baffle is provided with between relief valve and deduster, described filtering baffle becomes alveolate texture, is provided with some through holes, filtering baffle is coated with filter membrane.
Above-mentioned incinerator waste gas purification apparatus, described relief valve comprises spool and pedestal, spool are T-shaped, and it is most advanced and sophisticated in coniform; Pedestal is convex shape, pedestal offers relief hole and spool installing hole, spool installing hole one end also poroid in circular cone, and match with spool, spool is installed in spool installing hole.
Above-mentioned incinerator waste gas purification apparatus, described relief valve also comprises end cap and back-moving spring, back-moving spring is set on spool, and be also placed in spool installing hole, end cap offers the through hole freely can walked for the cone end of spool and bar portion, by screw, end cap is arranged on the upper surface of pedestal, one end of back-moving spring is pressed on inside end cap, and the other end of back-moving spring is pressed on the circular cone bottom surface of spool.
Above-mentioned incinerator waste gas purification apparatus, described filtering baffle is installed on pedestal.
Above-mentioned incinerator waste gas purification apparatus, is provided with residual air purifier at the top of exhaust chimney, in residual air purifier, be provided with activated carbon.
Above-mentioned incinerator waste gas purification apparatus, is also provided with pond water pressure display and ph checkout gear in the outside in waste gas purification pond.
Compared with prior art, the invention has the beneficial effects as follows: the incinerator waste gas purification apparatus that the present invention proposes, dedusting baffle plate and lower dedusting baffle plate are set in deduster inside, upper dedusting baffle plate and lower dedusting baffle interval are crisscross arranged, upper dedusting baffle plate is suspended in deduster upper end inwall, and lower dedusting baffle plate is fixed on deduster lower end inner wall.Waste gas is by entering into deduster after exhaust inlet pipe, after super-interval, the upper dedusting baffle plate be crisscross arranged and lower dedusting baffle plate, dust in waste gas by upper dedusting baffle plate and lower dedusting baffle plate stop, because the surface of upper dedusting baffle plate and lower dedusting baffle plate is provided with biological nano film, large particulate matter cannot be passed through, on the upper dedusting baffle plate that namely dust is blocked in deduster and lower dedusting baffle plate, and fall and be piled up near skimming door.Upper dedusting baffle plate and lower dedusting baffle plate form passage one on the other, add waste gas through the path of deduster and time, the dust in waste gas is stopped fully by upper and lower dedusting baffle plate, serve the effect removing dust.Simultaneously, upper dedusting baffle plate and the lower dedusting baffle plate air pressure also helping reduction deduster arranged in a crossed manner, prior art adopts airtight filter structure that air percent of pass can be caused low, and the air pressure in deduster can be caused too high, the present invention adopts dedusting baffle arrangement arranged in a crossed manner, the contact area of flue gas and filter can be increased, compared with prior art, its filter effect is better, and the air pressure of deduster can also be controlled, the present invention is provided with on the madial wall of exhaust chimney, lower staggered left supported plate and right supported plate, and on a left side, right supported plate is arranged respectively the pre-spraying ventilating device of flue gas and flue gas spray desulfurizer, the pre-spraying ventilating device of flue gas and flue gas spray desulfurizer are equipped with some shower nozzles, waste gas after first round udst separation, finally enter in exhaust chimney, exhaust chimney inside arranges with deduster similar, all adopt and be arranged alternately scheme layer by layer, the pre-spraying ventilating device of flue gas and flue gas spray desulfurizer are located at a left side respectively, on right two support plates, first undertaken second by the pre-spraying ventilating device of flue gas takes turns cooling to waste gas, then desulfurization process is carried out by flue gas spray desulfurizer again, subsequently lowered the temperature by the pre-spraying ventilating device of next group flue gas again, circulation like this, realize the filtration to waste gas, waste gas is made to reach discharge standard, finally be discharged in air, protect environment.Bottom exhaust chimney, form waste gas purification pond, the liquid level in waste gas purification pond exceedes the outlet of waste gas exhaust pipe, and waste gas is completely by waste gas purification pond, and the water in waste gas and waste gas purification pond carries out neutralizing, decompose, desulfurization and smoke elimination.
The present invention offers skimming door in the bottom of deduster, and top is installed on relief valve, is provided with filtering baffle between relief valve and deduster.Skimming door is regularly opened, and clears up the dust overstock in deduster and impurity to facilitate.Dust remover roof is installed on relief valve, when the air pressure in deduster is too high, namely the spool of relief valve overcomes the elastic force of gravity and back-moving spring, namely upwards lift under the influence of air pressure, thus open relief hole, namely the gas expanded in deduster spray from relief hole, namely arranges relief valve energy adjustable pressure, prevent air pressure excessive and deduster is blasted.Simultaneously in order to prevent the waste gas released in relief valve containing dust, also filtering baffle is provided with between relief valve and deduster, filtering baffle is coated with filter membrane, is to adsorb dust in waste gas and impurity, even if to ensure that the gas sprayed from relief hole is not also containing dust and impurity.Being installed by filtering baffle on the pedestal of relief valve, is to make its structure compacter.The effect arranging back-moving spring is beneficial to the weight and volume that reduce spool and relief valve, namely when equivalent weight and volume, back-moving spring is under the cooperation of end cap, a downward power can be applied to spool, thus increase the atmospheric pressure value of its up valve opening, namely overflow under slightly hyperbar to prevent the flue gas in deduster, namely the force value that the flue gas in deduster overflows is increased, serve the effect of the atmospheric pressure value of adjusting pressure release valve, both prevented air pressure excessive and deduster is blasted, avoid again the defect that namely flue gas in deduster overflows under slightly hyperbar.
The present invention is provided with discharge outlet and draining valve in the bottom in waste gas purification pond, in order to water unnecessary in the clarifier-tank that scavenges, enter in deduster to prevent hypervolia adverse current, its discharge outlet is connected with filtration cistern by drainage pipeline, filter cistern to be connected with the intake pool of flue gas spray desulfurizer by the intake pool of connecting pipe spraying ventilating device pre-with flue gas respectively again, and booster pump is provided with in its connecting pipe, in order to the water of pre-for flue gas spraying ventilating device and the ejection of flue gas spray desulfurizer is carried out collection reuse, reach the object of cycling use of water, be beneficial to using water wisely.In filtration cistern, be provided with screen pack and sewage draining exit, be in order to the dust in filtering cistern and foreign material, prevent it to be drawn in intake pool and block shower nozzle.The mark that floats is set in waste gas purification pond, in order to when the mark that floats rises to specified altitude assignment with water level, utilize the mark that floats to open draining valve, ensure that the water level in waste gas purification pond remains on rational position, to prevent that the water level in waste gas purification pond is too high, adverse current enters in deduster.
Draining valve in waste gas purification pond is set to resilient support ball valve by the present invention, it is the security in order to strengthen its draining, when the water level in waste gas purification pond is lower than police circles' water level, hydraulic pressure in its pond is lower, the valve ball of ball valve is pushed against on the sealing gasket of valve seat under the elastic force of spring promotes, and makes ball valve keep closed condition; When the water level in waste gas purification pond exceedes police circles' water level, hydraulic pressure in its pond increases, so that its hydraulic pressure acted on valve ball has exceeded the motive force of spring to valve ball, spring-compressed, the sealing gasket that valve ball is lifted off a seat downwards, ball valve is opened, and namely the water in waste gas purification pond flowed out by discharge outlet, to ensure that the water potential in waste gas purification pond maintains the normal condition of below police circles' line all the time.
The present invention arranges pond water for cooling device in pre-spray intake pool, to lower the temperature to the water in intake pool, mainly the cycling use of water of pumpback in waste gas purification pond is lowered the temperature, make its water temperature remain on a relatively low scope, be beneficial to lower the temperature to the flue gas of exhaust chimney.Arranging filter is block shower nozzle in order to avoid the dust in intake pool and impurity being drawn in pre-spray nozzle; It is to increase output to pre-spray nozzle and jet power, lowering the temperature and dedusting with the more effective flue gas to exhaust chimney that inlet channel arranges booster pump.
The present invention is added with the alkaline absorbent removing sulfide in desulfurization intake pool, and described alkaline absorbent is one or more in calcium carbonate, calcium oxide, calcium hydroxide.Be the sulfide in order to remove in flue gas, as everyone knows, sulfide is acidity, and the calcium class materials such as calcium carbonate, calcium oxide, calcium hydroxide are alkalescence, acid-base neutralization, just can play the effect of desulfurization, decomposition, thus reaches the effect removing sulfide in flue gas.Agitator is provided with in desulfurization intake pool, to make the calcified material in desulfurization intake pool fully dissolve, it is also to increase output to flue gas desulfurization sprinkle shower nozzle and jet power that water inlet pipe arranges booster pump, so that more effectively and carry out desulfurization to the flue gas in exhaust chimney fully.
Waste gas drainpipe is set to skewed by the present invention, its nose end be connected with deduster is higher than the nose end be connected with exhaust chimney, its beneficial effect is the outlet that both can ensure to allow the liquid level in waste gas purification pond exceed waste gas exhaust pipe, allow waste gas completely by waste gas purification pond, can prevent again the water adverse current in waste gas purification pond from entering deduster and affecting the work of deduster.
The present invention arranges residual air purifier at the top of exhaust chimney, in residual air purifier, arrange activated carbon, is to carry out residual air purification to being about to the flue gas be discharged in air further, again adsorbs the dust in flue gas and venomous injurant.
The outer setting pond water pressure display of the present invention in waste gas purification pond and ph checkout gear observe for the ease of user of service and detect, so that take further step.
Accompanying drawing explanation
Fig. 1 is the basic structure schematic diagram of incinerator waste gas purification apparatus of the present invention;
Fig. 2 is the structural representation of incinerator waste gas purification apparatus relief valve of the present invention;
Fig. 3 is the structural representation of incinerator waste gas purification apparatus draining valve of the present invention.
In figure: 1 is exhaust inlet pipe, 2 is deduster, 3 is waste gas exhaust pipe, 4 is exhaust chimney, 5 is upper dedusting baffle plate, 6 is lower dedusting baffle plate, 7 is residual air purifier, 8 is pond water pressure display, 9 is ph checkout gear, 10 is left supported plate, 11 is right supported plate, 12 is the pre-spraying ventilating device of flue gas, 13 is flue gas spray desulfurizer, 14 is shower nozzle, 15 is discharge outlet, 16 is skimming door, 17 is relief valve, 18 is filtering baffle, 19 is pedestal, 20 is end cap, 21 is spool, 22 is back-moving spring, 23 is sewage draining exit, 24 is draining valve, 30 is waste gas purification pond, 35 is drainage pipeline, 40 for filtering cistern, 45 is connecting pipe, 50 for spray intake pool in advance, 55 is desulfurization intake pool, 60 is booster pump, 65 is the mark that floats, 70 is pond water for cooling device, 75 is agitator, 80 is inlet channel, 85 is desulfurization water inlet pipe.
The spool installing hole that the relief hole that A is relief valve, B are relief valve
101 be valve ball, 102 be valve body, 103 be valve seat, 104 be sealing gasket, 105 for spring.
Detailed description of the invention
As shown in Figure 1 to Figure 3, the first detailed description of the invention of the present invention is: a kind of incinerator waste gas purification apparatus, comprise incinerator body (not shown), the exhaust inlet pipe 1 be communicated with the exhaust outlet of incinerator body, the end of its exhaust inlet pipe 1 is communicated with deduster 2, dedusting baffle plate 6 under dedusting baffle plate 5 and polylith is respectively equipped with on polylith in the inside of deduster 2, on it, dedusting baffle plate 5 and lower dedusting baffle plate 6 interleaved are arranged, upper dedusting baffle plate 5 is suspended in deduster 2 upper end inwall, lower dedusting baffle plate 6 is fixed on deduster 2 lower end inner wall, the surface of upper dedusting baffle plate 5 and lower dedusting baffle plate 6 is provided with biological nano film (not shown), waste gas is by entering into deduster 2 after exhaust inlet pipe 1, after super-interval, the upper dedusting baffle plate 5 be crisscross arranged and lower dedusting baffle plate 6, dust in waste gas by upper dedusting baffle plate 5 and lower dedusting baffle plate 6 stop, because the surface of upper dedusting baffle plate 5 and lower dedusting baffle plate 6 is provided with biological nano film, large particulate matter cannot be passed through, on the upper dedusting baffle plate 5 that namely dust is blocked in deduster 2 and lower dedusting baffle plate 6, and fall and be piled up near skimming door 16.Upper dedusting baffle plate 5 and lower dedusting baffle plate 6 form passage one on the other, add waste gas through the path of deduster 2 and time, and increase the contact area of flue gas and filter, dust in waste gas, particle are stopped fully by upper and lower dedusting baffle plate, serves the effect removing dust and particle.Simultaneously, upper dedusting baffle plate 5 and lower dedusting baffle plate 6 air pressure also helped in reduction deduster 2 arranged in a crossed manner, the end of deduster 2 is communicated with waste gas exhaust pipe 3, the end of waste gas exhaust pipe 3 is communicated with exhaust chimney 4, waste gas exhaust pipe 3 is for being obliquely installed, its nose end be connected with deduster 2 is higher than the nose end be connected with exhaust chimney 4, waste gas after first round udst separation, finally enter into exhaust chimney 4, exhaust chimney 4 inside arranges with deduster similar, all adopt and be arranged alternately scheme layer by layer, namely be provided with on the madial wall of exhaust chimney 4 on polylith, lower staggered left supported plate 10 and right supported plate 11, the pre-spraying ventilating device 12 of multiple flue gas is set in the downside of every block left supported plate 10, the downside of every block right supported plate 11 is provided with multiple flue gas spray desulfurizer 13, the pre-spraying ventilating device of flue gas 12 and flue gas spray desulfurizer 13 are equipped with some shower nozzles, first undertaken second by the pre-spraying ventilating device 12 of flue gas takes turns cooling to waste gas, then desulfurization process is carried out by flue gas spray desulfurizer 13 again, subsequently lowered the temperature by the pre-spraying ventilating device 12 of next group flue gas again, circulation like this, realize the filtration to waste gas, waste gas is made to reach discharge standard.The bottom of exhaust chimney 4 is provided with waste gas purification pond 30, liquid level in waste gas purification pond 30 exceedes the outlet height of waste gas exhaust pipe 3, waste gas is completely by waste gas purification pond 30, waste gas and water are eliminated smoke, desulfurization, neutralization, decompose, but because waste gas drainpipe 3 is for being obliquely installed, its nose end be connected with deduster 2 is higher than the nose end be connected with exhaust chimney 4, therefore can prevent the water adverse current in waste gas purification pond 30 from entering in deduster 2, discharge outlet 15 and draining valve 24 is provided with in the bottom in waste gas purification pond 30, discharge outlet 15 is connected with filtration cistern 40 by drainage pipeline 35, be beneficial to scavenge water unnecessary in clarifier-tank 30, prevent hypervolia adverse current from entering in deduster 2, its filter cistern 40 by connecting pipe 45 respectively with spray intake pool 50 in advance and be connected with desulfurization intake pool 55, and booster pump 60 is provided with in its connecting pipe 45, after being beneficial to pre-for flue gas spraying ventilating device 12 and flue gas spray desulfurizer 13 to spray, the water fallen into waste gas purification pond 30 carries out collection reuse, reach the object of cycling use of water, with using water wisely.In filtration cistern 40, be provided with screen pack (not shown) and sewage draining exit 23, connecting pipe 45 is arranged on the upside of filtering cistern 40 simultaneously, and is connected with filtration cistern 40 by screen pack.With the dust in filtering cistern and foreign material, prevent it to be drawn in intake pool and block shower nozzle.
In addition, present embodiment is also provided with floating mark 65 in waste gas purification pond 30, when floating mark 65 rises to predetermined altitude with water level, namely the interlock effect of lever by being connected with floating mark 65, and open draining valve, ensure that the water level in waste gas purification pond 30 remains on rational position, to prevent that the water level in waste gas purification pond 30 is too high, adverse current enters in deduster 2.Resilient support ball valve can certainly be adopted as draining valve 24, when adopting resilient support ball valve as draining valve 24, floating mark 65 just need not be set, only rely on the structure of resilient support ball valve self, the effect of automatic control water level height can be reached, when the water level in waste gas purification pond 30 exceedes designated water level, the draining valve 24 of resilient support ball-valve structure can be opened automatically, realize draining, described resilient support ball valve, its structure comprises valve ball 101, valve body 102, valve seat 103, sealing gasket 104 and spring 105, its valve body 102, valve seat 103 and sealing gasket 104 are provided with the hole of hollow, also stepped hole is provided with in valve body 102, sealing gasket 104 is arranged on valve seat 103, spring 105 is arranged in the hole of valve body 102, specifically be arranged on the step surface of valve body 102 endoporus, valve ball 101 is pushed against on the sealing gasket 104 of valve seat 103 under the elastic force of spring 105 promotes, ball valve is made to keep closed condition, when the water level in waste gas purification pond 30 raises, when exceeding the safety level of setting, its hydraulic pressure value acted on valve ball 101 just follows rising, when it exceedes the motive force of spring 105 pairs of valve balls 101, spring 105 just compresses, under the effect of hydraulic pressure, valve ball 101 moves down, sealing gasket 104 on lifting off a seat, ball valve is opened, water in waste gas purification pond 30 is just flowed out by the gap between valve ball 101 and sealing gasket 104, until when its water level replys normal value, valve ball 101 just automatically resets and closes ball valve under the elastic force effect of spring 105.
In the present embodiment, the pre-spraying ventilating device of flue gas 12 by inlet channel 80 with spray intake pool 50 in advance and be connected, pond water for cooling device 70 and screen pack (not shown) is provided with in pre-spray intake pool 50, its pond water for cooling device 70 adopts cooling fan, be beneficial to lower the temperature to the water in intake pool 50, its cooling is mainly for the cycling use of water of pumpback in waste gas purification pond 30, a relatively low temperature range is remained on to make the water temperature in its intake pool 50, thus be conducive to the flue gas heat more taking away exhaust chimney 4, thus the more effective flue gas to its pre-discharge is lowered the temperature, screen pack can be avoided the dust in intake pool 50 and impurity being drawn in pre-spray nozzle and blocking shower nozzle 14, inlet channel 80 is also provided with a booster pump 60, the output to pre-spray nozzle 14 and jet power can be increased, so that the more effective flue gas to exhaust chimney 4 is lowered the temperature and dedusting.In addition, flue gas spray desulfurizer 13 is connected with desulfurization intake pool 55 by desulfurization water inlet pipe 85, the alkaline absorbent removing sulfide is added with in desulfurization intake pool 55, its alkaline absorbent is one or more the mixing in calcium carbonate, calcium oxide, calcium hydroxide, for cost-saving, present embodiment adopts calcium carbonate as its alkaline absorbent, calcium carbonate is in alkalescence, and sulfide is in acid, acid-base neutralization, just can play the effect of desulfurization, decomposition, thus reach the effect removing sulfide in flue gas.Agitator 75 is also provided with in desulfurization intake pool 55, arrange agitator 75 fully to stir the calcium carbonate in desulfurization intake pool 55, it is made to be dissolved completely in Chi Shuizhong, to avoid the shower nozzle 14 of its calcium carbonate granule thing obstruct smoke spray desulfurizer 13, in like manner, in order to increase output to flue gas desulfurization sprinkle shower nozzle 14 and jet power, present embodiment is also provided with booster pump 60 on desulfurization water inlet pipe 85.
Present embodiment is also provided with skimming door 16 in the bottom of deduster 2, skimming door 16 is regularly opened, to remove the particle under deduster 2 inner product, relief valve 17 is installed at the top of deduster 2, relief valve 17 adopts physics pressure release principle, its concrete structure comprises pedestal 19, end cap 20, spool 21 and back-moving spring 22, spool 21 in T-shaped, and it is most advanced and sophisticated in coniform; Pedestal 19 is in convex shape, pedestal 19 offers relief hole A and spool installing hole B, spool installing hole B one end also in circular cone poroid, and match with spool 21, spool 21 is installed in spool installing hole B, back-moving spring 22 is set on spool 21, and be also placed in spool installing hole B, end cap 20 offers the through hole freely can walked for the cone end of spool 21 and bar portion, by screw, end cap 20 is arranged on the upper surface of pedestal 19, one end of back-moving spring 22 is pressed on the inner side of end cap 20, and the other end of back-moving spring 22 is pressed on the circular cone bottom surface of spool 21.Filtering baffle 18 is provided with between relief valve 17 and deduster 2, its filtering baffle 18 is specifically installed on the pedestal 19 of relief valve 17, its filtering baffle 18 one-tenth alveolate texture, offer some through holes, be beneficial to that flue gas is smooth and easy to be passed, and on filtering baffle 18, be coated with one deck breathable filter membrane, to intercept particle by flue gas.When the air pressure in deduster 2 is too high, namely the spool 21 of relief valve 17 overcomes the elastic force of gravity and back-moving spring 22, namely upwards lift under the influence of air pressure, thus open relief hole A, namely unnecessary gas in deduster 2 spray from relief hole A, the effect arranging back-moving spring 22 is beneficial to the weight and volume that reduce spool 21 and relief valve 17, namely when equivalent weight and volume, back-moving spring 22 is under the cooperation of end cap, a downward power can be applied to spool 21, thus increase the atmospheric pressure value of its up valve opening, namely overflow under slightly hyperbar to prevent the flue gas in deduster 2, namely the force value that the flue gas in deduster 2 overflows is increased, serve the effect of the atmospheric pressure value of adjusting pressure release valve, both prevented air pressure excessive and deduster 2 is blasted, avoid again the defect that namely flue gas in deduster 2 overflows under slightly hyperbar, filtering baffle 18 is under the effect of filter membrane simultaneously, the waste gas released in relief valve 17 can also be prevented containing dust and particle, filtering baffle 18 is installed on the pedestal 19 of relief valve 17, be conducive to making the structure of its relief valve compacter.
Present embodiment is also provided with residual air purifier 7 at the top of exhaust chimney 4, active carbon particle is provided with in residual air purifier 7, again adsorbing the dust in flue gas and venomous injurant, being beneficial to carry out residual air purification, taste removal to being about to the flue gas be discharged in air further.In addition, present embodiment also has pond water pressure display 8 and ph checkout gear 9 in the outer setting in waste gas purification pond 30, facilitates user of service and observes and detect, so that take further step.
The above is only the preferred embodiment of the present invention; should be understood that; for a person skilled in the art; under the prerequisite not departing from structure of the present invention; some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practicality.
Claims (4)
1. an incinerator waste gas purification apparatus, comprise incinerator body, the exhaust inlet pipe (1) be communicated with the exhaust outlet of incinerator body, the end of described exhaust inlet pipe (1) is communicated with deduster (2), it is characterized in that: be provided with upper dedusting baffle plate (5) and lower dedusting baffle plate (6) in deduster (2) inside, described upper dedusting baffle plate (5) and lower dedusting baffle plate (6) interleaved are arranged, upper dedusting baffle plate (5) is suspended in deduster (2) upper end inwall, lower dedusting baffle plate (6) is fixed on deduster (2) lower end inner wall, the surface of upper dedusting baffle plate (5) and lower dedusting baffle plate (6) is provided with biological nano film, the end of described deduster (2) is communicated with waste gas exhaust pipe (3), the end of waste gas exhaust pipe (3) is communicated with exhaust chimney (4), the madial wall of exhaust chimney (4) is provided with, lower staggered left supported plate (10) and right supported plate (11), on a left side, right supported plate (10, 11) side arranges the pre-spraying ventilating device of flue gas (12), opposite side arranges flue gas spray desulfurizer (13), the pre-spraying ventilating device of flue gas (12) and flue gas spray desulfurizer (13) are equipped with some shower nozzles (14), the bottom of exhaust chimney (4) is provided with waste gas purification pond (30), liquid level in waste gas purification pond (30) exceedes the outlet of waste gas exhaust pipe (3), discharge outlet (15) and draining valve (24) is provided with in the bottom of waste gas purification pond (30), relief valve (17) is installed at the top of described deduster (2), described relief valve (17) comprises spool (21) and pedestal (19), spool (21) are T-shaped, and it is most advanced and sophisticated in coniform, pedestal (19) is in convex shape, pedestal (19) offers relief hole (A) and spool installing hole (B), spool installing hole (B) one end also poroid in circular cone, and match with spool (21), spool (21) is installed in spool installing hole (B), described relief valve (17) also comprises end cap (20) and back-moving spring (22), back-moving spring (22) is set on spool (21), and be also placed in spool installing hole (B), end cap (20) offers the through hole that the cone end of spool (21) and bar portion can be supplied freely to walk, by screw, end cap (20) is arranged on the upper surface of pedestal (19), one end of back-moving spring (22) is pressed on end cap (20) inner side, and the other end of back-moving spring (22) is pressed on the circular cone bottom surface of spool (21), described discharge outlet (15) is connected with filtration cistern (40) by drainage pipeline (35), it is filtered cistern (40) and is connected with the intake pool of flue gas spray desulfurizer (13) by the intake pool of connecting pipe (45) spraying ventilating device (12) pre-with flue gas respectively, and is provided with booster pump (60) in its connecting pipe (45), screen pack and sewage draining exit (23) is provided with in filtration cistern (40), connecting pipe (45) is arranged on the upside of filtering cistern (40), and is connected with filtration cistern (40) by screen pack, the pre-spraying ventilating device of described flue gas (12) by inlet channel (80) with spray intake pool (50) in advance and be connected, be provided with pond water for cooling device (70) and filter spraying in advance in intake pool (50), its inlet channel (80) is provided with booster pump (60), described flue gas spray desulfurizer (13) is connected with desulfurization intake pool (55) by desulfurization water inlet pipe (85), the alkaline absorbent removing sulfide is added with in desulfurization intake pool (55), and agitator (75) is provided with in desulfurization intake pool (55), desulfurization water inlet pipe (85) is provided with booster pump (60).
2. a kind of incinerator waste gas purification apparatus according to claim 1, is characterized in that: described alkaline absorbent is one or more in calcium carbonate, calcium oxide, calcium hydroxide.
3. a kind of incinerator waste gas purification apparatus according to claim 1, it is characterized in that: described waste gas drainpipe is for being obliquely installed, its nose end be connected with deduster (2), higher than the nose end be connected with exhaust chimney (4), enters in deduster (2) to prevent the water adverse current in waste gas purification pond (30).
4. a kind of incinerator waste gas purification apparatus according to any one of claim 1 to 3, is characterized in that: be also provided with pond water pressure display (8) and ph checkout gear (9) in the outside of waste gas purification pond (30).
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| CN201410491705.8A CN104258675B (en) | 2014-09-23 | 2014-09-23 | A kind of incinerator waste gas purification apparatus |
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| CN104258675B true CN104258675B (en) | 2016-04-06 |
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Inventor after: Chen Yuexiang Inventor after: Xia Xiaolong Inventor after: Yang Zhian Inventor before: Tian Yu Inventor before: Xu Hong |
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Effective date of registration: 20160704 Address after: 510080, building 465, two, Baiyun Avenue, Baiyun District, Guangdong, Guangzhou Patentee after: Guandong Municipal Waste Treatment Center Address before: Pitong town Pixian Chengdu city of Sichuan Province Wang Cong road 611730 No. 14 1 floor Patentee before: CHENGDU GUANYU TECHNOLOGY CO., LTD. |