CN105477937A - Flue-gas dedusting apparatus capable of preventing denitration catalyst from being positioned and inactivated - Google Patents
Flue-gas dedusting apparatus capable of preventing denitration catalyst from being positioned and inactivated Download PDFInfo
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- CN105477937A CN105477937A CN201510740950.2A CN201510740950A CN105477937A CN 105477937 A CN105477937 A CN 105477937A CN 201510740950 A CN201510740950 A CN 201510740950A CN 105477937 A CN105477937 A CN 105477937A
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- flue gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
- B01D45/08—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/18—Cleaning-out devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2221/00—Applications of separation devices
- B01D2221/14—Separation devices for workshops, car or semiconductor industry, e.g. for separating chips and other machining residues
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Abstract
A flue-gas dedusting apparatus capable of preventing denitration catalyst from being positioned and inactivated comprises a coal economizer used to absorb heat in flue gas, a cold ash bucket arranged below the coal economizer and used to holding ash, a grid plate device arranged in a horizontal flue-gas channel at the rear of the cold ash bucket and used to separate out ash in the flue gas, and a denitration tower arranged at the rear of the grid plate device and used to removing nitrogen oxides in the flue gas. By additionally installing the grid plate device, ash in the flue gas is separated before flue gas enters the denitration tower, so that a large amount of ash is prevented from gathering on the surface of a catalyst in the denitration tower and in the flue gas channel, usage of normal functions of the denitration tower is guaranteed, and also the flue gas channel in the denitration tower is prevented from being obstructed.
Description
This case is the applying date is on December 24th, 2014, and application number is 201410818618.9, the divisional application that name is called " a kind of fume dust remover ".
Technical field
The present invention relates to flue gas ash removal equipment technology field, specifically, the present invention be more particularly directed to a kind of fume dust remover preventing denitrating catalyst poisoning and deactivation.
Background technology
Flue gas after economizer enters denitrating tower, the ash content carried in flue gas is gathered in denitrating tower catalyst surface and exhaust gases passes in a large number, the problems such as resistance increase that cause that catalyst poisoning inactivation, catalyst and flue gas are isolated by ash content, exhaust gases passes gets clogged, therefore separate all or part of for the ash content in flue gas before denitrating tower after economizer, to maintain the activity of denitrating catalyst and catalyst and flue gas contact area, reduce ash content and block exhaust gases passes there is vital meaning.
Summary of the invention
The object of the present invention is to provide a kind of fume dust remover, the ash content that there is flue gas at least to solve prior art causes the technical problem of catalysqt deactivation, and solves the technical problem of ash content blocking exhaust gases passes of present technology further.
In order to solve the problem, the invention provides a kind of fume dust remover, its technical scheme is as follows:
A kind of fume dust remover, comprising: economizer, for absorbing the heat in flue gas; Furnace hopper, is placed in the below of described economizer, for holding ash content; Grid-plate device, is placed in the hori-zontal flue gas passage at the rear of described furnace hopper, for by the ash separation in flue gas out; And denitrating tower, be placed in the rear of described grid-plate device, for departing from the nitrogen oxide in flue gas.
Fume dust remover described above, more preferably, described grid-plate device comprises multiple " ∧ " shape plate, and " ∧ " shape plate is that multiple lines and multiple rows arrangement is placed in exhaust gases passes, for by the ash separation in flue gas out.
Fume dust remover described above, more preferably, described grid-plate device also comprises installing rack, is fixedly mounted in exhaust gases passes, one side of described " ∧ " shape plate and described installing rack for being articulated and connected, to realize described " ∧ " shape plate and described installing rack realizes being rotatably assorted; And controlling organization, be articulated and connected with another side of " ∧ " shape plate described in same row, described controlling organization is for controlling the vertical movement of another side of described " ∧ " shape plate.
Fume dust remover described above, more preferably, hook-shaped plate is set up in the intersection of two sides of described " ∧ " shape plate, one end of described hook-shaped plate is welded to connect with the intersection of two sides of " ∧ " shape plate, makes described hook-shaped plate and described " ∧ " shape plate form a clothes hanger structure.
Fume dust remover described above, more preferably, described grid-plate device comprises multiple " ∧ " shape plate, and multiple described " ∧ " shape plate is multiple lines and multiple rows arrangement; And connecting plate, both sides are articulated and connected between adjacent described " ∧ " shape plate of same a line.
Fume dust remover described above, more preferably, described grid-plate device also comprises multiple installation shaft, multiple described installation shaft is fixedly mounted in exhaust gases passes, the Liang Ge side intersection of multiple described " ∧ " shape plate is articulated and connected with multiple described installation shaft one_to_one corresponding, realizes being rotatably assorted with " ∧ " shape plate described in realizing and described installation shaft; And controlling organization, be articulated and connected with the back side edge of " ∧ " shape plate described in same row, described controlling organization is for controlling the vertical movement of the back side edge of described " ∧ " shape plate.
Fume dust remover described above, more preferably, described fume dust remover also comprises rapping apparatus, is arranged on described grid-plate device, for the ash content rapping on described grid-plate device being fallen.
Fume dust remover described above, more preferably, described fume dust remover also comprises deashing device, leaves deashing passage in the lower end of described grid-plate device; Described deashing device is placed in the rear side of described grid-plate device, for being pushed in described furnace hopper by the ash content of landing.
Fume dust remover described above, more preferably, described deashing device comprises: deashing bucket, is arranged on the rear side of described grid-plate device; And telescoping mechanism, be arranged on rear side of described deashing bucket, for push-and-pull deashing bucket.
Fume dust remover described above, more preferably, described deashing bucket comprises: ash-removing plate, is provided with end thick stick at the bottom face of described ash-removing plate, and thick stick of the described end is placed on the bottom position of exhaust gases passes, and the end thick stick of described telescoping mechanism and described ash-removing plate is for being articulated and connected; First side plate of structure triangular in shape, a side of described first side plate is fixedly connected with the limit, left side of described ash-removing plate; Second side plate of structure triangular in shape, a side of described second side plate is fixedly connected with the right edge of described ash-removing plate.
Analyze known, compared with prior art, advantage of the present invention and beneficial effect are:
One, the present invention has set up grid-plate device, ash content in flue gas can be separated before entering into denitrating tower, in the catalyst surface that ash content can be avoided like this to be gathered in denitrating tower in a large number and exhaust gases passes, guarantee the use of the normal function of denitrating tower, prevent the blocking of exhaust gases passes simultaneously.
Two, grid-plate device of the present invention is adjustable grid-plate device, and namely the angle [alpha] of " ∧ " shape plate of grid-plate device can change, and grid-plate device can be made like this to be applicable to the demand of different content of ashes in flue gas; When in flue gas, content of ashes is excessive, the angle [alpha] of " ∧ " shape plate is increased; When in flue gas, content of ashes is less, the angle [alpha] of " ∧ " shape plate is reduced.
Three, the present invention has also set up deashing device, and the ash content sunk is pushed to furnace hopper place by deashing device, prevents the ash content sunk from resulting in blockage to exhaust gases passes.
Accompanying drawing explanation
Fig. 1 is the structural representation of the fume dust remover of the preferred embodiment of the present invention.
Fig. 2 is the plan structure schematic diagram of the preferred grid-plate device of the first embodiment of the present invention.
Fig. 3 is the plan structure schematic diagram of the preferred grid-plate device of the second embodiment of the present invention.
Fig. 4 is the plan structure schematic diagram of the preferred grid-plate device of the 3rd embodiment of the present invention.
Fig. 5 is the structural representation of the deashing device of the preferred embodiment of the present invention.
In figure, 1-economizer; 2-furnace hopper; 3-grid-plate device; 31-controlling organization; 32-" ∧ " shape plate; 33-installing rack; The hook-shaped plate of 34-; 35-installation shaft; 36-connecting plate; 4-denitrating tower; 5-air preheater; 6-deashing device; 61-telescoping mechanism; 62-first side plate; 63-second side plate; 64-ash-removing plate; Thick stick at the bottom of 641-.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further details.
As shown in Figure 1, the fume dust remover of the preferred embodiment of the present invention mainly comprises economizer 1, for absorbing the heat in flue gas; Furnace hopper 2, is placed in the below of economizer 1, for holding ash content; Grid-plate device 3, is placed in the hori-zontal flue gas passage at the rear of furnace hopper 2, for by the ash separation in flue gas out; Denitrating tower 4, is placed in the rear of grid-plate device 3, for departing from the nitrogen oxide in flue gas; Again the heat in flue gas is carried out heat exchange by air preheater 5 pairs of air.
In general, the present invention has set up grid-plate device 3 between economizer 1 and out of stock tower 4, grid-plate device 3 is utilized to be retained by the ash content in flue gas, grid-plate device 3 can be made like this to separate after economizer 1 in whole or in part (retaining by the ash content in flue gas) to the ash content in the flue gas before denitrating tower 4, the out of stock catalyst exposure of the ash content prevented like this or decrease in flue gas and denitrating tower 4 or contact area, reduce the ash content blocking exhaust gases passes in flue gas.
As shown in Figure 2, the grid-plate device 3 of the first embodiment of the present invention comprises multiple " ∧ " shape plate 32, and " ∧ " shape plate 32 is placed in exhaust gases passes, for by the ash separation in flue gas out.Being specifically as follows " ∧ " shape plate 32 is divided into two row to arrange, and is often classified as three " ∧ " shape plates 32.In order to try one's best greatly by the ash separation in flue gas out, " ∧ " shape plate 32 two ends often arranged of the present invention are positioned on same level line.
Under normal circumstances, the ratio of flue gas shared by ash content is also inconsistent, is fixed in exhaust gases passes, can not be suitable for all situations, in order to the ash content that the ratio being applicable to account for flue gas is different by " ∧ " shape plate 32; As shown in Figure 2, the grid-plate device 3 of the first embodiment of the present invention also comprises installing rack 33, is fixedly mounted in exhaust gases passes, and a side of " ∧ " shape plate 32 and installing rack 33, for being articulated and connected, realize being rotatably assorted with installing rack 33 to realize " ∧ " shape plate 32; With controlling organization 31, be articulated and connected with another side of " ∧ " shape plate 32 of same row, controlling organization 31 for controlling the movement of vertical (with the direction that exhaust gases passes is perpendicular) of another side of " ∧ " shape plate 32, in fig. 2, direction from top to bottom.Controlling organization 31 of the present invention is hinged with the same point of another side of " ∧ " shape plate 32 of same row, and namely controlling organization 31 is arranged at the direction perpendicular with exhaust gases passes.
The specific works process of first embodiment of the invention is: the back side edge and the installing rack 33 that often arrange " ∧ " shape plate 32 are articulated and connected, and the front side edge and the controlling organization 31 that often arrange " ∧ " shape plate 32 are articulated and connected; After flue gas enters " ∧ " shape plate 32, the flow direction changes, and the density of ash content is large, impinge upon under the action of the centrifugal the back side panel (i.e. back side edge) of " ∧ " shape plate 32 upper after decline, be gathered in bottom exhaust gases passes.The line number of " ∧ " shape plate 32 and columns are determined according to concrete condition, and columns can be row also can be multiple row, and line number is then multirow." ∧ " shape plate 32 can be fixed on non rotating in exhaust gases passes, namely angle α in Fig. 2 (in Fig. 2, angle α is the angle that the vertical above-below direction of exhaust gases passes is formed with " ∧ " shape plate 32) fixes, also controlling organization 31 can be installed on " ∧ " shape plate 32, " ∧ " shape plate 32 can be rotated, and namely angle α can change.When in flue gas, content of ashes is lower, angle α can suitably turn down, can reduce the resistance of " ∧ " shape plate 32 pairs of flue gases like this, and when in flue gas, content of ashes is higher, angle α can suitably tune up, although increase resistance like this, can improve efficiency of dust collection." ∧ " shape plate 32 is fixedly suspended in exhaust gases passes, and fixed form is various, if such as do not consider that " ∧ " shape plate 32 can rotate in passage, installing rack 33 can be utilized horizontal through " ∧ " shape plate 32, be fixed on the vertical steelframe in left and right of exhaust gases passes; If consider that " ∧ " shape plate 32 can rotate, " ∧ " shape plate 32 can be suspended on perpendicular on exhaust gases passes between lower wall installing rack 33 rotary column on, " ∧ " shape plate 32 is rotated around the rotary column perpendicular to the installing rack 33 on exhaust gases passes between lower wall.In Fig. 1, Fig. 2, " → " represents the flow direction of ash content;
represent the flow direction of flue gas;
represent the flow direction of air; Do not have special pointing out, of the present invention to flow to symbol all consistent with above-mentioned expression.
As shown in Figure 3, the grid-plate device 3 of second embodiment of the invention sets up hook-shaped plate 34 in the intersection of two sides of the first embodiment " ∧ " shape plate 32, one end of hook-shaped plate 34 is welded to connect with the intersection of two sides of " ∧ " shape plate 32, makes hook-shaped plate 34 and " ∧ " shape plate 32 form a similar clothes hanger structure.Other structure of the grid-plate device 3 of the second embodiment is all identical with the structure of the grid-plate device 3 of the first embodiment.
The specific works process of second embodiment of the invention is: the second embodiment is not repeated at Ben Chu with the identical part that works in the first embodiment, as shown in Figure 3, emphasis is the part that hook-shaped plate 34 can increase that is removed an ash content more, overall intensified dust removal function is enhanced compared with the first embodiment, the aperture of hook-shaped plate 34 and length equidimension are determined according to content of ashes in flue gas and cigarette speed, main consideration efficiency of dust collection and resistance recruitment, the opening direction that hook-shaped plate 34 is formed and flue gas to flow to direction relative.
As shown in Figure 4, the grid-plate device 3 of the third embodiment of the present invention comprises multiple " ∧ " shape plate 32, and multiple " ∧ " shape plate 32 is arrangement in multiple lines and multiple rows; With connecting plate 36, both sides are articulated and connected between adjacent " ∧ " shape plate 32 of same a line.Grid-plate device 3 undulate of the third embodiment of the present invention is arranged.
Under normal circumstances, in flue gas, content of ashes changes with coal, is fixed in exhaust gases passes by " ∧ " shape plate 32, can not be suitable for all situations, in order to the ash content that the ratio being applicable to account for flue gas is different; As shown in Figure 4, the grid-plate device 3 of the third embodiment of the present invention also comprises multiple installation shaft 35, multiple installation shaft 35 is fixedly mounted in exhaust gases passes, Liang Ge side intersection and multiple installation shaft 35 one_to_one corresponding of multiple " ∧ " shape plate 32 are articulated and connected, and realize being rotatably assorted with installation shaft 35 to realize " ∧ " shape plate 32; With controlling organization 31, be articulated and connected with the back side edge of " ∧ " shape plate 32 of same row, controlling organization 31 for controlling the movement of vertical (with the direction that exhaust gases passes is perpendicular) of the back side edge of " ∧ " shape plate 32, in the diagram, direction from top to bottom.As shown in Figure 4, in the third embodiment, multiple " ∧ " shape plate 32 arranges in three row three, and controlling organization 31 is inclined to set and is articulated and connected with the back side edge of " ∧ " shape plate 32 of middle column.
The specific works process of third embodiment of the invention is: the grid-plate device 3 of the 3rd embodiment arranges (waveform plate can be regarded as the combination of " ∧ " shape plate 32) for waveform plate, is also be suspended in exhaust gases passes.Adopt waveform plate separator, correspond to " ∧ " shape plate 32, namely waveform panel number is the length on flue gas flow direction direction, and the number of line number is determined according to the factor such as size, the long-term flow velocity of flue gas, flue gas content of ashes of waveform plate.Ash content is impact several times waveform plate in the passage of waveform plate, under inertia force effect, drops to bottom exhaust gases passes after speed progressively reduces.Waveform plate can install controlling organization 31 additional, and for the rotation of control wave shape wave plate, the angle α realizing being similar to " ∧ " shape plate 32 adjusts.If do not adopt the mode rotating and control, namely do not consider the size adjusting angle α, waveform plate can be fixed on the sidewall steelframe of exhaust gases passes by steelframe, also can be fixed on the steelframe perpendicular to lower wall surface on exhaust gases passes.If adopt controlling organization 31, waveform plate can be fixed in the rotating shaft (i.e. installation shaft 35) perpendicular to lower wall surface on exhaust gases passes.Controlling organization 31 can be arranged on exhaust gases passes on lower wall surface, is realized the change of controlling angled a by the rotation of control wave shape wave plate, also can be mounted in the telescoping mechanism on sidewall, be realized the change of angle α by flexible adjustment.
The object of the invention is, in order to prevent ash content from entering in denitrating tower 4, to consider on this basis, above-mentioned three preferred embodiments can be merged into a new embodiment, retain " ∧ " shape plate 32, retain connecting plate 36, add hook-shaped plate 34 simultaneously.This design is that the more excellent ash content that prevents enters into technical scheme in denitrating tower 4.
Grid-plate device 3 after long-play, easily adheres on the grid-plate device 3 surface especially place such as hole or dead angle or piles up ash content in exhaust gases passes, and the existence of ash content adds exhaust gases passes resistance, and air-introduced machine power consumption increases, and Benefit of Unit reduces.Meanwhile, the ash content being attached to the surface of grid-plate device 3 washes away lower part can reenter in flue gas flue gas, causes grid-plate device 3 efficiency of dust collection to reduce.So for the attachment of ash content and the problem of accumulation, the present invention designs and adopts the mode of timing to grid-plate device 3 rapping, namely installs general rapping apparatus (not shown) on grid-plate device 3, access unit control system.
Simultaneously in order to the ash content dropped to bottom exhaust gases passes in flue gas ash removal process is pushed to furnace hopper 2, as shown in Figure 5, the present invention also comprises deashing device 6, deashing passage is left in the lower end of grid-plate device 3, deashing device 6 is placed in the rear side of grid-plate device 3, for being pushed in furnace hopper 2 by the ash content of landing.Specifically, deashing device 6 comprises deashing bucket, is arranged on the rear side of grid-plate device 3; Telescoping mechanism 61, is arranged on rear side of deashing bucket, for push-and-pull deashing bucket.When reclaiming, ash content is dragged near denitrating tower 4 place to prevent deashing bucket, deashing bucket of the present invention comprises ash-removing plate 64, be provided with end thick stick 641 at the bottom face of ash-removing plate 64, end thick stick 641 is placed on the bottom position (namely end thick stick 641 is placed on the upper base surface of exhaust gases passes) of exhaust gases passes; The limit, left side of one side of the first side plate 62, first side plate 62 of structure triangular in shape and ash-removing plate 64 lower side of ash-removing plate 64 (namely in Fig. 3) is fixedly connected with; The right edge of one side of the second side plate 63, second side plate 63 of structure triangular in shape and ash-removing plate 64 upper side edge of ash-removing plate 64 (namely in Fig. 3) is fixedly connected with; The end thick stick 641 of telescoping mechanism 61 and ash-removing plate 64 is for being articulated and connected.Can steadily by deashing bucket Level Promoting in order to ensure telescoping mechanism 61, telescoping mechanism 61 of the present invention is a pair setting, is articulated and connected respectively with the two ends, left and right of end thick stick 641.
As shown in Figure 5, the course of work of deashing device 6 is: the ash content dropped to bottom exhaust gases passes through flue gas ash removal is cleared up by the flexible mode pushed, telescoping mechanism 61 drives deashing bucket deashing and recovery, deashing bucket under the driving of telescoping mechanism 61 at the lower surface slip deashing of exhaust gases passes, smooth and easy and thorough in order to ensure deashing bucket deashing bottom exhaust gases passes, one deck steel plate is added, to strengthen the smooth of channel bottom and hardness bottom exhaust gases passes.Telescoping mechanism 61 and deashing bucket are arranged on exhaust gases passes nearly denitrating tower 4 side, can timing or not timing deashing.Rotatable on-link mode (OLM) is adopted between telescoping mechanism 61 and deashing bucket, deashing bucket move ahead deashing time, the end thick stick 641 of deashing bucket is adjacent to bottom exhaust gases passes, the ash content dropping on deashing bucket promotes by the thrust of telescoping mechanism 61, when ash content to be cleared up between economizer 1 and denitrating tower 4 exhaust gases passes foremost by deashing bucket, namely, when deashing bucket arrives furnace hopper 2 top edges below economizer 1, ash content falls in the furnace hopper 2 below economizer 1, and telescoping mechanism 61 reclaims.When telescoping mechanism 61 reclaims, at this moment because the end thick stick 641 of telescoping mechanism 61 and deashing bucket is for being articulated and connected, simultaneously again because the first side plate 62 of deashing bucket and the second side plate 63 are triangular structure, telescoping mechanism 61 can be easy to end thick stick 641 place of deashing bucket to raise (after raising, disengage bottom the ash-removing plate 64 of deashing bucket and exhaust gases passes, only contact with bottom exhaust gases passes with the bight being connected side opposite face with ash-removing plate 64 of the second side plate 63 with the first side plate 62 of deashing bucket); Can rotate by rotary link, the end thick stick 641 of deashing bucket leaves exhaust gases passes lower bottom part, and object is dragged by the ash content in exhaust gases passes to nearly denitrating tower 4 place when avoiding deashing bucket to withdraw.
Analyze known, compared with prior art, advantage of the present invention and beneficial effect are:
One, the present invention has set up grid-plate device, ash content in flue gas can be separated before entering into denitrating tower, in the catalyst surface that ash content can be avoided like this to be gathered in denitrating tower in a large number and exhaust gases passes, guarantee the use of the normal function of denitrating tower, prevent the blocking of denitrating tower inner gas passage simultaneously.
Two, grid-plate device of the present invention is adjustable grid-plate device, and namely the angle [alpha] of " ∧ " shape plate of grid-plate device can change, and can make the content of ashes demand that grid-plate device to be applicable in flue gas in various degree like this; When in flue gas, content of ashes is excessive, the angle [alpha] of " ∧ " shape plate is increased; When ash content is less, the angle [alpha] of " ∧ " shape plate is reduced.
Three, the present invention has also set up deashing device, and the ash content sunk is pushed to furnace hopper place by deashing device, prevents the ash content sunk from resulting in blockage to exhaust gases passes.
As known by the technical knowledge, the present invention can be realized by other the embodiment not departing from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, is not only.Within the scope of the present invention all or be all included in the invention being equal to the change in scope of the present invention.
Claims (9)
1. prevent a fume dust remover for denitrating catalyst poisoning and deactivation, it is characterized in that, comprising:
Economizer, for absorbing the heat in flue gas;
Furnace hopper, is placed in the below of described economizer, for holding ash content;
Grid-plate device, is placed in the hori-zontal flue gas passage at the rear of described furnace hopper, for by the ash separation in flue gas out; With
Denitrating tower, is placed in the rear of described grid-plate device, for departing from the nitrogen oxide in flue gas.
2. fume dust remover according to claim 1, is characterized in that, described grid-plate device comprises:
Multiple " ∧ " shape plate, " ∧ " shape plate is that multiple lines and multiple rows arrangement is placed in exhaust gases passes, for by the ash separation in flue gas out.
3. the fume dust remover preventing denitrating catalyst poisoning and deactivation according to claim 2, is characterized in that:
Set up hook-shaped plate in the intersection of two sides of described " ∧ " shape plate, an end of described hook-shaped plate is welded to connect with the intersection of two sides of " ∧ " shape plate, makes described hook-shaped plate and described " ∧ " shape plate form a clothes hanger structure.
4. the fume dust remover preventing denitrating catalyst poisoning and deactivation according to claim 1, is characterized in that, described grid-plate device comprises:
Multiple " ∧ " shape plate, multiple described " ∧ " shape plate is multiple lines and multiple rows arrangement; With
Connecting plate, both sides are articulated and connected between adjacent described " ∧ " shape plate of same a line.
5. the fume dust remover preventing denitrating catalyst poisoning and deactivation according to claim 4, is characterized in that, described grid-plate device also comprises:
Multiple installation shaft, multiple described installation shaft is fixedly mounted in exhaust gases passes, and the Liang Ge side intersection of multiple described " ∧ " shape plate is articulated and connected with multiple described installation shaft one_to_one corresponding, realizes being rotatably assorted with " ∧ " shape plate described in realizing and described installation shaft; With
Controlling organization, is articulated and connected with the back side edge of " ∧ " shape plate described in same row, and described controlling organization is for controlling the vertical movement of the back side edge of described " ∧ " shape plate.
6. the fume dust remover preventing denitrating catalyst poisoning and deactivation according to claim 1, is characterized in that, described fume dust remover also comprises:
Rapping apparatus, is arranged on described grid-plate device, for the ash content rapping on described grid-plate device being fallen.
7. the fume dust remover preventing denitrating catalyst poisoning and deactivation according to claim 1, is characterized in that, described fume dust remover also comprises:
Deashing device, leaves deashing passage in the lower end of described grid-plate device;
Described deashing device is placed in the rear side of described grid-plate device, for being pushed in described furnace hopper by the ash content of landing.
8. the fume dust remover preventing denitrating catalyst poisoning and deactivation according to claim 7, is characterized in that, described deashing device comprises: deashing bucket, is arranged on the rear side of described grid-plate device; With
Telescoping mechanism, is arranged on rear side of described deashing bucket, for push-and-pull deashing bucket.
9. the fume dust remover preventing denitrating catalyst poisoning and deactivation according to claim 8, is characterized in that, described deashing bucket comprises:
Ash-removing plate, is provided with end thick stick at the bottom face of described ash-removing plate, and thick stick of the described end is placed on the bottom position of exhaust gases passes, and the end thick stick of described telescoping mechanism and described ash-removing plate is for being articulated and connected;
First side plate of structure triangular in shape, a side of described first side plate is fixedly connected with the limit, left side of described ash-removing plate;
Second side plate of structure triangular in shape, a side of described second side plate is fixedly connected with the right edge of described ash-removing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510740950.2A CN105477937B (en) | 2014-12-24 | 2014-12-24 | It is a kind of to prevent the fume dust remover of denitrating catalyst poisoning and deactivation |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410818618.9A CN104492168B (en) | 2014-12-24 | 2014-12-24 | A kind of fume dust remover |
| CN201510740950.2A CN105477937B (en) | 2014-12-24 | 2014-12-24 | It is a kind of to prevent the fume dust remover of denitrating catalyst poisoning and deactivation |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410818618.9A Division CN104492168B (en) | 2014-12-24 | 2014-12-24 | A kind of fume dust remover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105477937A true CN105477937A (en) | 2016-04-13 |
| CN105477937B CN105477937B (en) | 2017-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510741089.1A Active CN105344164B (en) | 2014-12-24 | 2014-12-24 | A kind of fume dust remover for reducing ash content and blocking exhaust gases passes |
| CN201410818618.9A Active CN104492168B (en) | 2014-12-24 | 2014-12-24 | A kind of fume dust remover |
| CN201510740950.2A Active CN105477937B (en) | 2014-12-24 | 2014-12-24 | It is a kind of to prevent the fume dust remover of denitrating catalyst poisoning and deactivation |
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| CN201510741089.1A Active CN105344164B (en) | 2014-12-24 | 2014-12-24 | A kind of fume dust remover for reducing ash content and blocking exhaust gases passes |
| CN201410818618.9A Active CN104492168B (en) | 2014-12-24 | 2014-12-24 | A kind of fume dust remover |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109974019A (en) * | 2019-04-22 | 2019-07-05 | 亿利洁能科技（宿迁）有限公司 | Flyash recyclable device and its method for recycling flyash |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106390608B (en) * | 2016-11-16 | 2018-05-25 | 东方电气集团东方锅炉股份有限公司 | A kind of pre-dedusting device for SCR denitration |
| CN111729407A (en) * | 2020-06-09 | 2020-10-02 | 范兰 | Oil removing and whitening device |
| CN113546499B (en) * | 2021-07-31 | 2022-10-28 | 盐城市锐砂环保科技有限公司 | Metal paint mist processor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201719926U (en) * | 2010-07-07 | 2011-01-26 | 山东中实易通集团有限公司 | Flue gas dedusting system in pulverized coal fired boiler |
| EP2320142A1 (en) * | 2008-08-25 | 2011-05-11 | Babcock-Hitachi Kabushiki Kaisha | Flue gas denitration device |
| CN102233211A (en) * | 2010-05-05 | 2011-11-09 | 启东市合作特种合金厂 | Flue gas deduster |
| CN102989315A (en) * | 2012-12-12 | 2013-03-27 | 山东大学 | Deashing device for SCR flue gas denitration system |
| CN204365038U (en) * | 2014-12-24 | 2015-06-03 | 国电龙源节能技术有限公司 | A kind of fume dust remover |
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| BE494655A (en) * | 1950-03-20 |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2320142A1 (en) * | 2008-08-25 | 2011-05-11 | Babcock-Hitachi Kabushiki Kaisha | Flue gas denitration device |
| CN102233211A (en) * | 2010-05-05 | 2011-11-09 | 启东市合作特种合金厂 | Flue gas deduster |
| CN201719926U (en) * | 2010-07-07 | 2011-01-26 | 山东中实易通集团有限公司 | Flue gas dedusting system in pulverized coal fired boiler |
| CN102989315A (en) * | 2012-12-12 | 2013-03-27 | 山东大学 | Deashing device for SCR flue gas denitration system |
| CN204365038U (en) * | 2014-12-24 | 2015-06-03 | 国电龙源节能技术有限公司 | A kind of fume dust remover |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109974019A (en) * | 2019-04-22 | 2019-07-05 | 亿利洁能科技（宿迁）有限公司 | Flyash recyclable device and its method for recycling flyash |
| CN109974019B (en) * | 2019-04-22 | 2023-09-29 | 亿利洁能科技（宿迁）有限公司 | Fly ash recovery device and method for recovering fly ash |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105477937B (en) | 2017-09-29 |
| CN105344164A (en) | 2016-02-24 |
| CN104492168A (en) | 2015-04-08 |
| CN105344164B (en) | 2018-02-09 |
| CN104492168B (en) | 2016-04-20 |
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