CN208161272U - A kind of modified coal-fired steam boiler smoke-eliminating, desulfurating and dust-removing device - Google Patents

A kind of modified coal-fired steam boiler smoke-eliminating, desulfurating and dust-removing device Download PDF

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Publication number
CN208161272U
CN208161272U CN201721865206.6U CN201721865206U CN208161272U CN 208161272 U CN208161272 U CN 208161272U CN 201721865206 U CN201721865206 U CN 201721865206U CN 208161272 U CN208161272 U CN 208161272U
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China
Prior art keywords
water
sprayed tank
smoke
cyclone dust
dust collectors
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CN201721865206.6U
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Chinese (zh)
Inventor
穆祥
王西来
高峰超
王磊
苏明生
王傲天
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Ningxia Renle Hongguang Cogeneration Technology Ltd By Share Ltd
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Ningxia Renle Hongguang Cogeneration Technology Ltd By Share Ltd
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Abstract

A kind of modified coal-fired steam boiler smoke-eliminating, desulfurating and dust-removing device includes flue,Cyclone dust collectors,Sprayed tank,Chimney,Filter,Clarifier,Flue is connected to cyclone dust collectors main body in tangential direction,Cyclone dust collectors are provided with closed top,Water supplying pipe is connected in the closed top of cyclone dust collectors and is connected with water diversion disk,Cyclone dust collectors cone bottom is communicated to the right side at the top of sprayed tank inner cavity,Cyclone dust collectors cone bottom is provided with spray thrower,The inner cavity of sprayed tank is provided with and top smoke barrier connected vertically,And smoke barrier is arranged in spray thrower side,Smoke exhaust pipe is communicated on the cavity of sprayed tank on the left of smoke barrier,Smoke exhaust pipe stretches out sprayed tank and is connected to extraneous funnel body,The import of filter is connected to the bottom of sprayed tank,The outlet ends of filter are connected to pond,Small pump is provided on pond,The import of clarifier is connected to small pump,Water after purified is sent in cyclone dust collectors by water supplying pipe forms circulation waterway.

Description

A kind of modified coal-fired steam boiler smoke-eliminating, desulfurating and dust-removing device
Technical field
The utility model relates to coal-fired steam boiler equipment technical field more particularly to a kind of modified coal-fired steam boilers Smoke-eliminating, desulfurating and dust-removing device.
Background technique
In general, boiler desulfurization dust removal installation is a link in boiler smoke discharge, to guarantee that boiler smoke is up to standard Discharge need to be dusted boiler smoke discharge, desulfurization.Desulfuration dedusting jar, recirculated water are utilized in flue gas ash removal and sweetening process Pond and chemicals dosing plant is added to realize.
Boiler desulfurization dust removal installation in the prior art is the dust processing that tap water is directly used in flue gas.The structure is removed Although dirt is handled, structure is simple, and there are many deficiencies in use, and being embodied in cannot be in good processing flue gas Sulfur gas and solid grit, the wasting of resources of tap water is not energy-efficient, not environmentally.
Summary of the invention
It is taken off in view of this, eliminating smoke it is necessary to provide the modified coal-fired steam boiler of a kind of energy-saving and environmental protection, good dedusting effect Sulphur dust-extraction unit.
A kind of modified coal-fired steam boiler smoke-eliminating, desulfurating and dust-removing device, including flue, cyclone dust collectors, spray Tank, chimney, filter, clarifier, the flue are connected to cyclone dust collectors main body, the cyclone dust collectors in tangential direction It is provided with closed top, water supplying pipe is connected in the closed top of cyclone dust collectors and is connected with water diversion disk, so that in water supplying pipe Water uniformly disperse, cyclone dust collectors cone bottom be communicated to sprayed tank inner cavity top right side, cyclone dust collectors bore bottom setting There is spray thrower, so that wet flue gas and water uniformly disperses, increases the contact area of flue gas and water, the inner cavity of the sprayed tank Be provided with the top of the inner cavity of sprayed tank smoke barrier connected vertically, and smoke barrier setting is in spray thrower side, for changing Flue gas flow direction makes flue gas flow downward, and smoke exhaust pipe is communicated on the cavity of the sprayed tank in the left side of the smoke barrier, and smoke exhaust pipe is stretched It sprayed tank and is connected to out with extraneous funnel body, the import of the filter is connected to the bottom of the sprayed tank, the mistake The outlet ends of filter are connected to pond, are provided with small pump on the pond, described for the water in pond to be evacuated to water supplying pipe The import of clarifier is connected to small pump, it is purified after water be sent in cyclone dust collectors by water supplying pipe and form circulation waterway.
Preferably, the through-hole there are three strip is uniformly distributed on the smoke barrier in the sprayed tank, after dedusting Flue gas circulation.
Preferably, the water fender for removing the water mist in flue gas is provided on the smoke evacuation nozzle in the sprayed tank, and Water fender and smoke outlet are closely connected with bolt.
Preferably, the spray pot bottom is provided with the separation of solid and liquid of solid slag and water for separated spray pot bottom Device, solid-liquid separator connection scum pipe and drainpipe, the downstream of drainpipe are connected to the import of the filter.
Preferably, temporary water is filled in the sprayed tank, is provided with the liquidometer of temporary water in sprayed tank, liquidometer with Autocontrol valve connection on sprayed tank bottom discharge pipe, and the liquid level in sprayed tank is higher than the smoke barrier, is lower than the gear The through-hole of the strip of bottom on cigarette plate.
The utility model by adopting the above technical scheme, the beneficial effect is that:The modified coal-fired steam boiler eliminates smoke de- Sulphur dust-extraction unit, energy-saving and environmental protection, desulfurization and dedusting effect are good.It is energy saving in order to avoid wasting water, it is additionally arranged filter, water The soluble gas ingredient in flue gas by recycling for water, gas-liquid interaction dedusting, and is adsorbed, prominent desulfurization in pond, clarifier Effect;In order to improve desulfurization and dedusting effect, smoke barrier is provided in sprayed tank, and logical provided with strip on smoke barrier Hole, ash-laden gas enter after sprayed tank due to being provided with smoke barrier, change flue gas flow direction, flue gas is made to impact the water surface, portion downwards Divide thick grit to be captured by water, as the residence time increases ash-laden gas in sprayed tank, keeps ash-laden gas wet in sprayed tank Degree increases, and by gravity, falls into the sprayed tank lower part water surface, the flue gas after dedusting then passes through the strip on smoke barrier Through-hole is delivered to smokejack, is discharged hence into chimney.
Detailed description of the invention
Fig. 1 is the flow diagram of the utility model.
Fig. 2 is the structural schematic diagram of the sprayed tank of the utility model.
In figure:Flue 10, cyclone dust collectors 20, water diversion disk 201, spray thrower 202, sprayed tank 30, smoke barrier 301, Water fender 302, solid-liquid separator 303, chimney 40, filter 50, pond 60, small pump 70, clarifier 80.
Specific embodiment
Please refer to Fig. 1 to Fig. 2, the utility model embodiment provides a kind of modified coal-fired steam boiler smoke-eliminating desulfurizing and removes Dirt device, including flue 10, cyclone dust collectors 20, sprayed tank 30, chimney 40, filter 50, clarifier 80, the flue gas Pipeline 10 is connected to 20 main body of cyclone dust collectors in tangential direction, and the cyclone dust collectors 20 are provided with closed top, and water supplying pipe connects It passes in the closed top of cyclone dust collectors 20 and is connected with water diversion disk 201, so that the water in water supplying pipe uniformly disperses, whirlwind Deduster 20 bores the right side that bottom is communicated to the top of 30 inner cavity of sprayed tank, and the cone bottom of cyclone dust collectors 20 is provided with spray thrower 202, So that wet flue gas and water uniformly disperses, increase the contact area of flue gas and water, the inner cavity of the sprayed tank 30 is provided with With the top smoke barrier 301 connected vertically of the inner cavity of sprayed tank 30, and the setting of smoke barrier 301 is in 30 side of spray thrower, described Smoke exhaust pipe is communicated on the cavity of the sprayed tank 30 in 301 left side of smoke barrier, smoke exhaust pipe stretches out sprayed tank 30 and the chimney with the external world The connection of 40 main bodys, the import of the filter 50 are connected to the bottom of the sprayed tank 30, the outlet ends of the filter 50 It is connected to pond 60, small pump 70 is provided on the pond 60, for the water in pond 70 to be evacuated to water supplying pipe, the clarifier 80 import is connected to small pump 70, it is purified after water be sent in cyclone dust collectors 20 by water supplying pipe and form circulation waterway.
Further, the through-hole there are three strip is uniformly distributed on the smoke barrier 301 in the sprayed tank 30, for removing Flue gas circulation after dirt.
Smoke barrier is set, effectively blocks ash-laden gas and is directly entered in smokejack, increase ash-laden gas in sprayed tank The through-hole of interior residence time, the strip on smoke barrier can be such that the flue gas after dedusting enters in smokejack.
Further, the water fender for removing the water mist in flue gas is provided on the smoke evacuation nozzle in the sprayed tank 30 302, and water fender 302 and smoke outlet are closely connected with bolt.
Further, 30 bottom of sprayed tank is provided with for the solid slag of 30 bottom of separated spray tank and consolidating for water Liquid/gas separator 303, solid-liquid separator 303 connects scum pipe and drainpipe, the downstream of drainpipe are connected to the filter 50 Import.
Further, it is filled with temporary water in the sprayed tank 30, the liquidometer of temporary water, liquid is provided in sprayed tank 30 Position meter is connect with the autocontrol valve on 30 bottom discharge pipe of sprayed tank, and the liquid level in sprayed tank 30 is higher than the smoke barrier 301, lower than the through-hole of the strip of the bottom on the smoke barrier 301.
The filling temporary water in sprayed tank makes ash-laden gas impact the water surface downwards when change flows to, the thick dirt of capture portion, Meanwhile liquidometer is connect with the autocontrol valve on drainpipe, may be implemented to work as liquid level to the automation control of sprayed tank liquid level When low, the aperture of autocontrol valve can be turned down automatically, when liquid level is high, can automatically be opened the aperture of autocontrol valve Greatly.
The modified coal-fired steam boiler smoke-eliminating, desulfurating and dust-removing device of the utility model one preferably use process is as follows:Contain Cloud of dust gas enters cyclone dust collectors 20 by flue 10, enters in sprayed tank 30 after wet-type rotational flow inertial dust collection, by In being provided with smoke barrier 301, flue gas flow direction is changed, flue gas is made to impact the water surface downwards, the thick grit in part is captured by water, with containing Cloud of dust gas residence time in sprayed tank 30 increases, and increases humidity of the ash-laden gas in sprayed tank 30, by gravity, falls Enter the 30 lower part water surface of sprayed tank, the through-hole that the flue gas after dedusting then passes through the strip on smoke barrier 301 is delivered to smoke evacuation Road is discharged hence into chimney 40;Flue dust under being removed enters filter 50 through drainpipe together with waste water and filters heel row to water Enter after clarifier 80 purifies to send to cyclone dust collectors 20 by small pump 70 after pond 60, water supernatant and carries out round-robin.
Above disclosures are merely preferred embodiments of the utility model, the utility model cannot be limited with this certainly Interest field, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and according to this reality The equivalent variations made by novel claim, still falls within the scope of the utility model.

Claims (3)

1. a kind of modified coal-fired steam boiler smoke-eliminating, desulfurating and dust-removing device, it is characterised in that:Including flue, cyclone dust removal Device, sprayed tank, chimney, filter, clarifier, the flue are connected to cyclone dust collectors main body, the rotation in tangential direction Wind deduster is provided with closed top, and water supplying pipe is connected in the closed top of cyclone dust collectors and is connected with water diversion disk, so that Water in water supplying pipe uniformly disperses, and cyclone dust collectors cone bottom is communicated to the right side at the top of sprayed tank inner cavity, cyclone dust collectors Cone bottom is provided with spray thrower, so that wet flue gas and water uniformly disperses, increases the contact area of flue gas and water, the spray The inner cavity of tank be provided with the top of the inner cavity of sprayed tank smoke barrier connected vertically, and smoke barrier setting is in spray thrower side, For changing flue gas flow direction, flue gas is made to flow downward, is uniformly distributed on the smoke barrier in the sprayed tank there are three strip Through-hole is filled with temporary water in the sprayed tank, sprayed tank is provided with the liquid level control of temporary water for the flue gas circulation after dedusting Device processed, fluid level controller are connect with the autocontrol valve on sprayed tank bottom discharge pipe, and the liquid level in sprayed tank is higher than described Smoke barrier, lower than the through-hole of the strip of the bottom on the smoke barrier, the cavity of the sprayed tank in the left side of the smoke barrier On be communicated with smoke exhaust pipe, smoke exhaust pipe stretches out sprayed tank and is simultaneously connected to extraneous funnel body, the import of the filter with it is described The bottom of sprayed tank is connected to, and the outlet ends of the filter are connected to pond, are provided with small pump on the pond, is used for water Water in pond is evacuated to water supplying pipe, and the import of the clarifier is connected to small pump, it is purified after water rotation is sent to by water supplying pipe Circulation waterway is formed in wind deduster.
2. modified coal-fired steam boiler smoke-eliminating, desulfurating and dust-removing device as described in claim 1, it is characterised in that:The spray The water fender for removing the water mist in flue gas is provided on smoke evacuation nozzle in tank, and water fender and smoke outlet bolt are close Connection.
3. modified coal-fired steam boiler smoke-eliminating, desulfurating and dust-removing device as described in claim 1, it is characterised in that:The spray Pot bottom is provided with the solid-liquid separator of solid slag and water for separated spray pot bottom, and solid-liquid separator connects scum pipe And drainpipe, the downstream of drainpipe are connected to the import of the filter.
CN201721865206.6U 2017-12-27 2017-12-27 A kind of modified coal-fired steam boiler smoke-eliminating, desulfurating and dust-removing device Active CN208161272U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721865206.6U CN208161272U (en) 2017-12-27 2017-12-27 A kind of modified coal-fired steam boiler smoke-eliminating, desulfurating and dust-removing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721865206.6U CN208161272U (en) 2017-12-27 2017-12-27 A kind of modified coal-fired steam boiler smoke-eliminating, desulfurating and dust-removing device

Publications (1)

Publication Number Publication Date
CN208161272U true CN208161272U (en) 2018-11-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721865206.6U Active CN208161272U (en) 2017-12-27 2017-12-27 A kind of modified coal-fired steam boiler smoke-eliminating, desulfurating and dust-removing device

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CN (1) CN208161272U (en)

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