A kind of dust collector of water curtain
Technical field
The present invention relates to cleaner, be specifically related to a kind of dust collector of water curtain.
Background technology
In Sugarcane Industry chain, create a large amount of waste saccharide liquids, utilize molasses waste liquid to produce alcohol and produce again a large amount of zymotic fluids, the discharge of these zymotic fluids causes great environmental pollution.Due to molasses alcohol fermentation liquid contain a large amount of organic matters, amino acid, trace element belong to natural organic substance, therefore can be used for the important source material in fertilizer process.But in the production process of fertilizer, a certain amount of dusty gas may be generated, wherein sweep along and be entrained with fertilizer microparticle, cause the waste of raw material and the pollution to environment.
Dust collector of water curtain can adsorb the hydrophilic dirt body of washing, but various dusty gas is not suitable for, molasses alcohol fermentation liquid is used for the washing lotion in dust collector of water curtain by the present invention, both can utilize self advantageous sticky adhesive dirt body, can reclaim again the fertilizer microparticle in dusty gas, secondary recovery make use of fertilizer microparticle, be used for gas washing, take full advantage of molasses alcohol fermentation liquid, eliminate the pollution that fertilizer dust discharge environment causes, achieve making full use of of refuse.
Summary of the invention
The present invention has designed and developed a kind of dust collector of water curtain, and in water curtain dedusting, creative use liquid material molasses alcohol fermentation liquid, is conducive to adsorption of dust, the waste heat in recovered flue gas, has carried out preheating again to liquid charging stock; Molasses alcohol fermentation liquid after gas washing can use as the raw material of fertilizer again, and this apparatus structure is simple, cost is low, but can reach good dust removing effects, meets the theory of present stage environmental protection and energy saving.
Technical scheme provided by the invention is:
A kind of dust collector of water curtain, comprising:
Water curtain dust removing mechanism, it comprises water curtain dust-removing box and the first filtrate receiver, molasses alcohol fermentation liquid is contained with in described first filtrate receiver, the bottom of described water curtain dust-removing box offers the first air inlet, described first air inlet is inserted in described molasses alcohol fermentation liquid, the top of described water curtain dust-removing box offers the first gas outlet, two side planes of described water curtain dust-removing box offer multiple first inlet, described multiple first inlet is provided with multiple nozzle, described nozzle is flat mouth shape, its width is identical with described barrier width, and its opening direction and described baffle plate angle are 0-15 °, and described multiple first inlet is communicated with molasses fermented liquid source, the liquid inlet volume of described multiple first inlet reduces by half from top to bottom successively, the bottom of described water curtain dust-removing box offers the first liquid outlet, two side planes of described water curtain dust-removing box are fixed with polylith baffle plate, described polylith baffle plate and two side planes have certain angle, the free end of described polylith baffle plate is crisscross arranged, the free end of described polylith baffle plate does not all contact with the inwall of described water curtain dust-removing box, and there is gap between adjacent baffle plate,
Spraying and dedusting mechanism, it comprises spraying and dedusting casing, screen layer, gondola water faucet, liquid pump and the second filtrate receiver, the bottom of described spraying and dedusting casing offers the second air inlet and the second liquid outlet, the top of described spraying and dedusting casing offers the second gas outlet, described spraying and dedusting casing is disposed with gondola water faucet from top to bottom, screen layer and the second filtrate receiver, molasses alcohol fermentation liquid is contained with in described second filtrate receiver, described second air inlet is connected with described first gas outlet by the first gas pipeline, described liquid pump is communicated with described gondola water faucet with described first liquid outlet by first liquid pipeline, molasses alcohol fermentation liquid in described first filtrate receiver is pumped into described gondola water faucet by described liquid pump,
Drier, it comprises drying box, is filled with active carbon in described casing, described casing offers the 3rd air inlet and the 3rd gas outlet, and described 3rd air inlet is communicated with described second gas outlet by the second gas pipeline.
Wherein, dusty gas enters described water curtain dust-removing box from described first air inlet, through described spraying and dedusting casing and described drying box, is discharged by described 3rd gas outlet.
Preferably, in described dust collector of water curtain, described screen layer comprises two pieces of metallic sieves be arranged in parallel, and mesh aperture is 1 ~ 3mm.
Preferably, in described dust collector of water curtain, described first gas outlet, the second gas outlet and the 3rd gas outlet are all coated with metallic sieve, and mesh aperture is 4 ~ 6 μm.
Preferably, in described dust collector of water curtain, described first liquid outlet and described second liquid outlet are all coated with metallic sieve, and mesh aperture is 6 ~ 8 μm.
Preferably, in described dust collector of water curtain, between described multiple first inlet and molasses fermented liquid source, also flow control valve is housed.
Preferably, in described dust collector of water curtain, the liquid inlet volume of described multiple first inlet is identical with total liquid outlet quantity of described first liquid outlet, and the liquid level in described first filtrate receiver is constant.
Flow control valve is equipped with preferably, in described dust collector of water curtain, described first liquid pipeline also.
Preferably, in described dust collector of water curtain, the upper surface of described baffle plate there is protruded object.
The invention has the beneficial effects as follows:
The first, adopt molasses alcohol fermentation liquid to replace water, more targeted to the dusty gas containing fertilizer microparticle, molasses alcohol fermentation liquid has larger viscosity on the one hand, be conducive to adsorption of dust, twice laid on the other hand, reclaims fertilizer microparticle, the adsorption effect that but can reach;
Second, dusty gas is passed into below the liquid level of the liquid of described water curtain dust-removing box, once clean, molasses alcohol fermentation liquid flows down formation wall hanging along described baffle plate, the free end of adjacent baffle plate is crisscross arranged, form tortuous passageway, molasses alcohol fermentation liquid is made to cause fluid-tight, gas has to pass through molasses alcohol fermentation liquid layer by layer, carry out secondary cleaning, below the liquid level entering the liquid of described spraying and dedusting casing, carry out three cleanings, sail against the current from top to bottom and have passed through the through hole of screen layer, carry out four cleanings, enter drying box, the tail gas of the water entrainment a small amount of with charcoal absorption and zymotic fluid and remnants, cleaning efficiency is high, extraordinary cleaning performance can be obtained,
Three, described multiple first inlet is provided with flat mouth nozzle, and its width is identical with described baffle plate, liquid can be covered with monoblock baffle plate, its opening direction and described baffle plate angle are 0-15 °, liquid is ejected at a certain angle from nozzle, with the contact point of described baffle plate be positioned at lastblock baffle plate liquid level point before, after two strands of liquid joint along plate along formed wall hanging;
Four, described multiple inlet from top to bottom liquid inlet volume successively decrease, on the one hand molasses alcohol fermentation liquid is flowed down along baffle plate from top to bottom with given pace, makes liquid not deposit in described water curtain dust-removing box on the other hand;
Five, because molasses alcohol fermentation liquid also has certain viscosity, screen layer is designed to the aperture of 1 ~ 3mm, after the molasses alcohol fermentation liquid that described gondola water faucet is sprayed out is covered with this through hole, spill along through hole, cross large aperture and will cause direct leakage, too small aperture will cause through hole to block, Double-layer screen gas washing better effects if;
Six, the metallic sieve of 4 ~ 6 μm is covered in gas outlet, the metallic sieve of 6 ~ 8 μm of larger aperture is covered at liquid outlet, gas and liquid can not and metal reaction, liquid toughness, so aperture is comparatively large, plays a role in filtering, make the gas of discharge and the molasses alcohol fermentation liquid not blocking pipe of recycling, do not carry bulky grain secretly, the molasses alcohol fermentation liquid after discharger can directly reclaim as fertilizer material;
Seven, by identical with the liquid outlet quantity of described first liquid outlet for the liquid inlet volume of described multiple first inlet, make the liquid level in described first filtrate receiver constant, gas can ensure to be passed into below liquid level, and the water curtain of last block baffle plate can cause fluid-tight just;
Eight, between described multiple first inlet and molasses fermented liquid source, also flow control valve is housed, the amount controlling the liquid that described nozzle ejects can realize successively decreasing successively from top to bottom, first liquid pipeline is also equipped with flow control valve, control the amount of the sweet alcohol fermentation liquid of described gondola water faucet ejection, can not excessive also can not be too small, the liquid level of described second filtrate receiver keeps stable;
Nine, described baffle plate is provided with protruded object, increases the contact area of gas and sweet alcohol fermentation liquid, has and absorbs better and gas washing effect.
Dust collector of water curtain of the present invention, creative use liquid material molasses alcohol fermentation liquid in water curtain dedusting, be conducive to adsorption of dust, waste heat in recovered flue gas, carried out preheating to liquid charging stock again, the molasses alcohol fermentation liquid after gas washing can use as the raw material of fertilizer again, and this apparatus structure is simple, cost is low, but can reach good dust removing effects, meet the theory of present stage environmental protection and energy saving.
Accompanying drawing explanation
Fig. 1 is the structural representation of dust collector of water curtain of the present invention.
Fig. 2 is the structural representation of screen layer of the present invention.
Fig. 3 is the structural representation of baffle plate of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail, can implement according to this with reference to description word to make those skilled in the art.
As Figure 1-3, the invention provides a kind of dust collector of water curtain, comprising:
Water curtain dust removing mechanism, it comprises water curtain dust-removing box 1 and the first filtrate receiver 2, molasses alcohol fermentation liquid is contained with in described first filtrate receiver 2, the bottom of described water curtain dust-removing box 1 offers the first air inlet 3, described first air inlet 3 is inserted in described molasses alcohol fermentation liquid, the top of described water curtain dust-removing box 1 offers the first gas outlet 4, two side planes of described water curtain dust-removing box 1 offer multiple first inlet 5, described multiple first inlet 5 is provided with multiple nozzle, described nozzle is flat mouth shape, its width is identical with described baffle plate 7 width, and its opening direction and described baffle plate 7 angle are 0-15 °, and described multiple first inlet 5 is communicated with molasses fermented liquid source, the liquid inlet volume of described multiple first inlet 5 reduces by half from top to bottom successively, the bottom of described water curtain dust-removing box 1 offers the first liquid outlet 6, two side planes of described water curtain dust-removing box 1 are fixed with polylith baffle plate 7, described polylith baffle plate 7 and two side planes have certain angle, the free end of described polylith baffle plate 7 is crisscross arranged, the free end of described polylith baffle plate 7 does not all contact with the inwall of described water curtain dust-removing box 1, and there is gap between adjacent baffle plate 7,
Spraying and dedusting mechanism, it comprises spraying and dedusting casing 8, screen layer 9, gondola water faucet 10, liquid pump and the second filtrate receiver 12, the bottom of described spraying and dedusting casing 8 offers the second air inlet 13 and the second liquid outlet 14, the top of described spraying and dedusting casing 8 offers the second gas outlet 15, described spraying and dedusting casing 8 is disposed with gondola water faucet 10 from top to bottom, screen layer 9 and the second filtrate receiver 12, molasses alcohol fermentation liquid is contained with in described second filtrate receiver 12, described second air inlet 13 is connected with described first gas outlet 4 by the first gas pipeline 16, described liquid pump is communicated with described gondola water faucet 10 with described first liquid outlet 6 by first liquid pipeline 17, molasses alcohol fermentation liquid in described first filtrate receiver 2 is pumped into described gondola water faucet 10 by described liquid pump,
Drier, it comprises drying box 18, is filled with active carbon in described casing, described casing offers the 3rd air inlet 19 and the 3rd gas outlet 20, and described 3rd air inlet 19 is communicated with described second gas outlet 15 by the second gas pipeline 21.
Wherein, dusty gas enters described water curtain dust-removing box 1 from described first air inlet 3, through described spraying and dedusting casing 8 and described drying box 18, is discharged by described 3rd gas outlet 20.
Adopt molasses alcohol fermentation liquid to replace water, more targeted to the dusty gas containing molasses alcohol fermentation liquid, molasses alcohol fermentation liquid has larger viscosity on the one hand, is conducive to adsorption of dust, twice laid on the other hand, the adsorption effect that but can reach.
Dusty gas is passed into below the liquid level of the liquid of described water curtain dust-removing box 1, once clean, molasses alcohol fermentation liquid flows down formation wall hanging along described baffle plate 7, the free end of adjacent baffle plate 7 is crisscross arranged, form tortuous passageway, molasses alcohol fermentation liquid is made to cause fluid-tight, gas has to pass through molasses alcohol fermentation liquid layer by layer, carry out secondary cleaning, below the liquid level entering the liquid of described spraying and dedusting casing 8, carry out three cleanings, sail against the current from top to bottom and have passed through the through hole of screen layer 9, carry out four cleanings, enter drying box 18, the tail gas of the water entrainment a small amount of with charcoal absorption and zymotic fluid and remnants, cleaning efficiency is high, extraordinary cleaning performance can be obtained.
Described multiple first inlet 5 is provided with flat mouth nozzle, and its width is identical with described baffle plate 7, liquid can be covered with monoblock baffle plate 7, its opening direction and described baffle plate 7 angle are 0-15 °, liquid is ejected at a certain angle from nozzle, with the contact point of described baffle plate 7 be positioned at lastblock baffle plate 7 liquid level point before, after two strands of liquid joint along plate along formed wall hanging.
Described multiple inlet from top to bottom liquid inlet volume successively decreases, and on the one hand molasses alcohol fermentation liquid is flowed down from top to bottom along baffle plate 7 with given pace, on the other hand liquid is not deposited in described water curtain dust-removing box 1.
Preferably, in described dust collector of water curtain, described screen layer 9 comprises two pieces of metallic sieves be arranged in parallel, and mesh aperture is 1 ~ 3mm.Its metal material adopted can be identical, also can be different, and the mesh diameter on upper strata is greater than the mesh diameter of lower floor, and mesh is normally just relative, or the certain distance that staggers, but will ensure that remaining space is not less than 1mm.
Because molasses alcohol fermentation liquid also has certain viscosity, screen layer 9 is designed to the aperture of 1 ~ 3mm, the mesh diameter on upper strata is greater than the mesh diameter of lower floor, after the molasses alcohol fermentation liquid that described gondola water faucet 10 is sprayed out is covered with this through hole, spill along through hole, cross large aperture and will cause direct leakage, too small aperture will cause through hole to block, Double-layer screen gas washing better effects if.
Preferably, in described dust collector of water curtain, described first gas outlet 15, gas outlet 4, second and the 3rd gas outlet 20 are all coated with metallic sieve, and mesh aperture is 4 ~ 6 μm.Its metal material adopted can be identical, also can be different.
Preferably, in described dust collector of water curtain, described first liquid outlet 6 and described second liquid outlet 14 are all coated with metallic sieve, and mesh aperture is 6 ~ 8 μm.Its metal material adopted can be identical, also can be different.
The metallic sieve of 4 ~ 6 μm is covered in gas outlet, the metallic sieve of 6 ~ 8 μm of larger aperture is covered at liquid outlet, gas and liquid can not and metal reaction, liquid toughness, so aperture is comparatively large, plays a role in filtering, make the gas of discharge and the molasses alcohol fermentation liquid not blocking pipe of recycling, do not carry bulky grain secretly, the molasses alcohol fermentation liquid after discharger can directly reclaim as fertilizer material.
Preferably, in described dust collector of water curtain, between described multiple first inlet 5 and molasses fermented liquid source, flow control valve 22 is also housed.This flow control valve 22 is flow speed control valve, and level is installed, can flow of digit display.
Preferably, in described dust collector of water curtain, the liquid inlet volume of described multiple first inlet 5 is identical with total liquid outlet quantity of described first liquid outlet 6, and the liquid level in described first filtrate receiver 2 is constant.Shown by the numerical value of each flow control valve 22, calculate and be set to definite value.
By identical with the liquid outlet quantity of described first liquid outlet 6 for the liquid inlet volume of described multiple first inlet 5, make the liquid level in described first filtrate receiver 2 constant, gas can ensure to be passed into below liquid level, and the water curtain of last block baffle plate 7 can cause fluid-tight just.
Flow control valve 22 is also equipped with preferably, in described dust collector of water curtain, described first liquid pipeline 17.This flow control valve 22 is choke valve, and level is installed, can flow of digit display.
Between described multiple first inlet 5 and molasses fermented liquid source, flow control valve 22 is also housed, the amount controlling the liquid that described nozzle ejects can realize reducing by half successively from top to bottom, first liquid pipeline 17 is also equipped with flow control valve 22, control the amount of the sweet alcohol fermentation liquid of described gondola water faucet 10 ejection, can not excessive also can not be too small, the liquid level of described second filtrate receiver 12 keeps stable.
Preferably, in described dust collector of water curtain, the upper surface of described baffle plate 7 there is protruded object 23.Protruded object 23 can be wave point, square or irregular smooth bumps.
Described baffle plate 7 is provided with protruded object 23, increases the contact area of gas and sweet alcohol fermentation liquid, has and absorbs better and gas washing effect.
Although embodiment of the present invention are open as above, but it is not restricted to listed in description and embodiment utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend described.