CN201228981Y - Tilted plate sedimentation and involution water bed desulfurizing dust remover for large-sized coal kiln - Google Patents
Tilted plate sedimentation and involution water bed desulfurizing dust remover for large-sized coal kiln Download PDFInfo
- Publication number
- CN201228981Y CN201228981Y CNU2008203002494U CN200820300249U CN201228981Y CN 201228981 Y CN201228981 Y CN 201228981Y CN U2008203002494 U CNU2008203002494 U CN U2008203002494U CN 200820300249 U CN200820300249 U CN 200820300249U CN 201228981 Y CN201228981 Y CN 201228981Y
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- water bed
- swash plate
- collector
- desulfurizing dust
- involutory
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Abstract
The utility model relates to a tilted plate sinking bin of a large-scale coal-fired stove and an involutory water bed desulfurizing dust collector, which is a combination of the tilted plate sinking bin and the involutory water bed desulfurizing dust collector through a gas duct. The tilted plate type sinking bin comprises a bin body, wherein a smoke inlet is arranged on the lower portion of the bin body, a smoke outlet is arranged on the top portion thereof, and multi-layer tilted plates which are obliquely arranged in interval are installed on the middle upper portion inside the bin body, a plurality of parallel cone hoppers are arranged on the bottom of the bin body, and the sharp outlets of the cone hoppers are connected with ash inlets of transversal screw conveyers. The utility model replaces an electrostatic cleaner with desulfurization or a cloth cleaner with desulfurization, and greatly increases the effects of dust collection and desulfurization.
Description
Technical field
The utility model is at having the old-fashioned 130t/h ~ 220t/h and the enterprise of large-tonnage generating pulverized-coal fired boiler, CFBB more, do not possess the fund ability that domestic and abroad high-grade, precision and advanced static of purchase or bag-type dust add wet desulphurization, but also must realize a kind of replacement device of stably reaching standard operation, heavy storehouse of promptly large-scale coal-fired furnace kiln swash plate and involutory water bed desulfurizing dust-collector.
Background technology
In existing dust-removal and desulfurizing technology, the applicant has successively applied for multinomial patent, is called " adjustable multistage water bed desulfurizing dust-collector ", the patent No. 02273486.4 as name, it comprises water bed, tiltedly is provided with in water bed together or several wave lifting plate, the oblique baffle plate of the impulse water surface down of guiding flue gas stream.It is 03213851.2 that name is called " water bed desulfurizing dust-collector at the bottom of many combined large boiler diclinics " patent No., it comprises three or three above separation of flow dedustings, the water bed monomer of combining side by side, water bed one end have always advance the cigarette air channel and communicate with each water bed etc. flow branching enter the mouth road, the water bed other end has drainage bin and the discharging main chimney flue that communicates with each water bed monomer, water bed, the interior sharp plate of pouncing on that tiltedly is provided with the oblique impulse water surface down of guiding flue gas stream.Its shortcoming is that desulfurized effect is undesirable.In the dedusting that all kinds of coal-fired electric generation furnace adopted and sulfur removal technology of current extensive use at home, be to have done electrostatic precipitation earlier mostly, nowadays for desulfurization, a large amount of fund of special again input increases the wet type desulfurizing equipment (so-called desulfurization island) of going up.Or done bag-type dust earlier, also, must increase the wet type desulfurizing equipment of going up because of can not desulfurization.The sort of in addition Circulation fluidized-bed furnace at furnace sulfur fixation is also because of desulfuration efficiency is low, under the new total quantity index control of energy-saving and emission-reduction SO2, can not be up to standard, and also must go up wet desulfurizer.Especially static adds desulfurization, or cloth bag adds desulfurization, and investment cost is very high, and the operating cost expense is also very high.Though realized " reduction of discharging ", can not embody " energy-conservation ".
The content of utility model
The utility model purpose is to provide a kind of dedusting, the heavy storehouse of the better large-scale coal-fired furnace kiln swash plate of desulfurized effect and involutory water bed desulfurizing dust-collector at large-tonnage generating pulverized-coal fired boiler.
The utility model technical solution is: heavy storehouse of large-scale coal-fired furnace kiln swash plate and involutory water bed desulfurizing dust-collector comprise conventional water bed desulfurizing dust-collector.Characteristics are by cigarette air channel and the combination of water bed desulfurizing dust-collector by ramp type sedimentation storehouse, described ramp type sedimentation storehouse comprises warehouse, into mouth is arranged at the warehouse bottom, outlet flue is arranged at the top, in the warehouse middle and upper part laid multilayer, at interval, the swash plate that tilts to arrange, the warehouse bottom is a plurality of awl buckets side by side, and respectively the tip outlet of awl bucket links to each other with the ash inlet of horizontal screw feeder.
Advantage is that the applicant is exactly a very high investment cost of considering static or bag-type dust, very high operating cost, and harsh management and operating condition, do not embody the energy of economizing on the use of funds, plan is utilized half fund of above-mentioned two cover system total costs, make installation the utility model, can obtain identical depollution of environment index fully.Promptly adopt development and design with the sedimentation storehouse of swash plate as inner core, remove a large amount of dry ashes, come intensified dust removal and desulphurization with many groups opposite ramp type water bed, add the purpose that desulfurization or bag-type dust add desulfurization, improved dedusting, desulfurized effect greatly thereby realize to substitute electrostatic precipitation.
Below in conjunction with accompanying drawing the utility model is described in further detail.
Description of drawings
Fig. 1 is the utility model structure diagram;
Fig. 2 is a latter linked plane sketch before the utility model;
Fig. 3 opposite is joined alkali swash plate water bed diagrammatic sectional view.
The specific embodiment
Referring to Fig. 1, left part is a ramp type sedimentation storehouse longitudinal profile sketch.Heavy storehouse of large-scale coal-fired furnace kiln swash plate and involutory water bed desulfurizing dust-collector are made up by cigarette air channel 2 and water bed desulfurizing dust-collector 3 by ramp type sedimentation storehouse 1.Ramp type sedimentation storehouse 1 comprises warehouse 4, into mouth 5 is arranged at warehouse 4 bottoms, and outlet flue 6 is arranged at the top, in the warehouse 4 middle and upper parts laid multilayer, at interval, the swash plate 7 that tilts to arrange, warehouse 4 bottoms are a plurality of awl buckets 8 side by side, and respectively the tip outlet of awl bucket 8 links to each other with the ash inlet of horizontal screw feeder 9.Be drilled with a considerable amount of circular holes on the swash plate 7.Swash plate 7 is three layers-four layers, spacing 600mm ~ 700mm, and length can be between 1850 ~ 2500mm, angle of inclination 65
0~ 70
0, swash plate 3 adopts and can substitute by anti-200 ℃ of medium wave asbestos shingles with interior temperature, and it is uniform to be drilled with a considerable amount of circular holes on this asbestos shingle, so that permeable and wetting.Every layer of swash plate 7 top be equipped with can before and after the backwash water pipe 10 of translation, regularly with the ash of being stained with on the wetting swash plate 7 of mode of slowly infiltration, up to skidding off swash plate 7.
Referring to Fig. 1,2, warehouse 4 bottoms awl bucket 8 is arranged in length and breadth, and every row awl bucket 8 times be to should there being vertical screw feeder 12, and the outlet of the vertical screw feeder 12 of each row is another and feed all dry and wet state lime-ash are collected the horizontal screw feeder 9 at a place, the lime-ash of all dry and wet states is collected a place, and entrucking transports.
Flue gas is come out by boiler, is pooled to two groups of air channels 11, by smoke intaking hole 5, enters in the ramp type sedimentation storehouse 1.Because spatial volume is almost equal with electrostatic precipitation or bag-type dust in the ramp type sedimentation storehouse 1, the cigarette ash dust of larger particles can natural subsidence, falls into awl bucket 8.Flue gas runs into again in the uphill process slowly to be folded the swash plate 7 that always is in dampness layer by layer and stops and adhere to.Adhere to certain thickness, swash plate 7 can make grieshoch come off naturally, has removed dust granules thinner in the flue gas further.Pounced on the flyash of the dampness of getting off through what sedimentation was handled by the sedimentation storehouse, all be slipped in each awl bucket 8 of bottom, by many vertical screw feeders 12 of each awl bucket 8 of vertical communication, be transported to the same side again, send into jointly among the horizontal screw feeder machine 9, transport in the big tank car of inflow fortune ash.The two group cigarette air channels 2 of ash-laden gas about by 8 tops, sedimentation storehouse flow to the water bed desulfurizing dust-collector 3 (dust arrester) of many combinations of opposite, are divided into two and are directed downwards, and distribute flue gas by platform, are distinguished the purification of degree of depth dedusting and desulfurization.
Referring to Fig. 3, the outlet flue 6 in ramp type sedimentation storehouse 1 and cigarette air channel 2 are established twice and are led to water bed desulfurizing dust-collector 3, water bed at the bottom of the water bed desulfurizing dust-collector 3 employing opposite swash plate diclinics, water bed is by symmetrical two water bed desulfurization and dedusting body involutory compositions at the bottom of the opposite swash plate diclinic, only establish one middle heavy ash at involutory position and grab ashpit B, the left side is respectively established with the right and is grabbed ashpit A, C.Each water bed desulfurizing dust-collector 3 front and rear all is provided with desulfurization buck shower water dish 13 or shower.
Ash-laden gas enters each water bed monomer respectively by two total cigarette air channels 2.At first the alkaline water spray of the circulated sprinkling water dish 13 of mouth section is vertically advanced in acceptance.This is provided by the circulation desulfurization water pump.After flue gas enters left and right sides water bed, will distinguish the impulse water surface, form the spray spittle, remove dust.Lift formula through several of the left and right sides again and pounce on collection plate 14, force flue gas stream to jump on the water surface, remove dust in flue gas as far as possible.When flue gas entered the up mouth of left and right sides water bed afterbody, bending upwards entered and strengthens spray chamber 15, accepted the spray of alkaline water once more of recirculated water dish.This alkaline water also is to be prepared by the lime that the lime hung of immersion separately hangs in the basket 16, and by water circulating pump 17 spray that provides.Through the flue gas of reinforcing desulfuration once more, rise and enter drainage bin, accept again staggeredly up and down to fold the angle page or leaf concrete flap 18 that falls and restrain steam and drop layer by layer, clean flue gas enters separately main chimney flue 20 by the exhaust opening 19 of left and right sides drainage bin respectively, converge unified cigarette air channel again, enter air-introduced machine row to chimney.Flue gas in descending, horizontal, the process that rises, has accepted the twice buck desulfurization and the degree of depth and pounced on dirt, and once elongated water bed is pounced on dirt and desulfurization in same body.Pounce on the lime-ash that falls in the water bed water body of both sides, can along about four slopes respectively A, the B in the flow graph 3, C, three deposit the slag bath bottom.Regularly the deep water grab claw 21 that is disposed with A, B, slag bath center, C three place is regularly grabbed out, and fortune transports in the slag car of an end.In the water body of both sides water bed, equal number of permutations layer swash plate 22, its angle of inclination is 65
0~ 70
0Between, so that landing swash plate 22 lip-deep heavy ashes, swash plate 22 can substitute with big ripple asbestos shingle.
Installed several layers of swash plate 22 respectively in the water bed water body of the left and right sides, belonged to sloping plate deposition mechanism,, made and pounce on dirt water maintenance cleaning relatively with the detergent power and the purification speed of raising to sewage.By about several the units that the water bed body is combined into, sufficient compensation is arranged.Wherein any monomer all can cut off flue gas, cuts off the water route, overhauls separately, does not influence the normal operation of whole unit fully, does not just influence the normal operation continuously of boiler.Every pair of unification is classified one group as, need according to the air-introduced machine air quantity of supporting stove what, decide that to establish how many groups just suitable, no matter join great stove, kiln no matter establish how many groups, its i-beam track is only used three roads, can arbitrarily prolong.The deep water grab claw 21 that its deslagging is used also only disposes three.
Claims (6)
- Heavy storehouse of [claim 1] a kind of large-scale coal-fired furnace kiln swash plate and involutory water bed desulfurizing dust-collector, comprise conventional water bed desulfurizing dust-collector (3), it is characterized in that by ramp type sedimentation storehouse (1) by cigarette air channel (2) and water bed desulfurizing dust-collector (3) combination, described ramp type sedimentation storehouse (1) comprises warehouse (4), into mouth (5) is arranged at warehouse (4) bottom, outlet flue (6) is arranged at the top, multilayer has been laid in the interior middle and upper part of warehouse (4), at interval, the swash plate (7) that tilts to arrange, warehouse (4) bottom is a plurality of awl buckets (8) side by side, and respectively the outlet of the tip of awl bucket (8) links to each other with the ash inlet of horizontal screw feeder (9).
- Heavy storehouse of [claim 2] large-scale coal-fired furnace kiln swash plate according to claim 1 and involutory water bed desulfurizing dust-collector, it is characterized in that warehouse (4) bottom awl bucket (8) arranges in length and breadth, to vertical screw feeder (12) should be arranged, the outlet of each vertical screw feeder of row (12) is another and feed all dry and wet state lime-ash are collected the horizontal screw feeder (9) at a place under every row awl bucket (8).
- Heavy storehouse of [claim 3] large-scale coal-fired furnace kiln swash plate according to claim 1 and 2 and involutory water bed desulfurizing dust-collector is characterized in that being drilled with a considerable amount of circular holes on the swash plate (7).
- Heavy storehouse of [claim 4] large-scale coal-fired furnace kiln swash plate according to claim 1 and 2 and involutory water bed desulfurizing dust-collector, it is characterized in that every layer of swash plate (7) top be equipped with can the front and back translation backwash water pipe (10).
- Heavy storehouse of [claim 5] large-scale coal-fired furnace kiln swash plate according to claim 1 and 2 and involutory water bed desulfurizing dust-collector, it is characterized in that the outlet flue (6) in ramp type sedimentation storehouse (1) and cigarette air channel (2) establish twice and lead to water bed desulfurizing dust-collector (3), water bed at the bottom of water bed desulfurizing dust-collector (3) the employing opposite swash plate diclinic, water bed is by symmetrical two water bed desulfurization and dedusting body involutory compositions at the bottom of the opposite swash plate diclinic, only establish one middle heavy ash at involutory position and grab ashpit, the left side is respectively established with the right and is grabbed ashpit.
- Heavy storehouse of [claim 6] large-scale coal-fired furnace kiln swash plate according to claim 5 and involutory water bed desulfurizing dust-collector is characterized in that all being provided with desulfurization buck shower water dish (13) or shower at each water bed desulfurizing dust-collector water bed front and rear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203002494U CN201228981Y (en) | 2008-02-21 | 2008-02-21 | Tilted plate sedimentation and involution water bed desulfurizing dust remover for large-sized coal kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203002494U CN201228981Y (en) | 2008-02-21 | 2008-02-21 | Tilted plate sedimentation and involution water bed desulfurizing dust remover for large-sized coal kiln |
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| Publication Number | Publication Date |
|---|---|
| CN201228981Y true CN201228981Y (en) | 2009-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008203002494U Expired - Fee Related CN201228981Y (en) | 2008-02-21 | 2008-02-21 | Tilted plate sedimentation and involution water bed desulfurizing dust remover for large-sized coal kiln |
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| CN (1) | CN201228981Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102350162A (en) * | 2011-07-22 | 2012-02-15 | 镇江市恒升达化工科技有限公司 | Tower top dust recovery device for urea granulation tower and recovery method for dust on top of urea granulation tower |
-
2008
- 2008-02-21 CN CNU2008203002494U patent/CN201228981Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102350162A (en) * | 2011-07-22 | 2012-02-15 | 镇江市恒升达化工科技有限公司 | Tower top dust recovery device for urea granulation tower and recovery method for dust on top of urea granulation tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090429 Termination date: 20120221 |