CN207445952U - A kind of band is evenly distributed with the desulfurizing tower of pallet - Google Patents

A kind of band is evenly distributed with the desulfurizing tower of pallet Download PDF

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Publication number
CN207445952U
CN207445952U CN201721237089.9U CN201721237089U CN207445952U CN 207445952 U CN207445952 U CN 207445952U CN 201721237089 U CN201721237089 U CN 201721237089U CN 207445952 U CN207445952 U CN 207445952U
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China
Prior art keywords
desulfurizing tower
pallet
strip hole
baffle
uniformly distributed
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CN201721237089.9U
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Chinese (zh)
Inventor
侯圣彬
张林新
周建孝
吴云
孟祥胜
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SHANDONG BIKONG ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
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SHANDONG BIKONG ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
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Abstract

A kind of band is evenly distributed with the desulfurizing tower of pallet, is related to fume treatment technical field.It is low in the uniformity coefficient that desulfurizing tower flows for solving the problems, such as to solve flue gas.A kind of band is evenly distributed with the desulfurizing tower of pallet, the desulfurizing tower includes gas inlet and exhanst gas outlet, the desulfurizing tower is equipped with uniformly distributed pallet, the uniformly distributed pallet is located on the cross section of the desulfurizing tower, and the uniformly distributed pallet includes several strip holes, and each strip hole is mutually parallel, the width of each strip hole is equal, the bottom of the uniformly distributed pallet is equipped with several baffles, and each baffle corresponds to a strip hole, and the baffle extends to the obliquely downward of the corresponding strip hole of the baffle;From as far as near, projection of each baffle on the cross section on corresponding strip hole is gradually reduced.Advantageous effect is can to improve the uniformity coefficient that flue gas flows in desulfurizing tower.

Description

A kind of band is evenly distributed with the desulfurizing tower of pallet
Technical field
The utility model is related to fume treatment technical field, specifically a kind of band is evenly distributed with the desulfurizing tower of pallet.
Background technology
With《The energy-saving and emission-reduction of coal electricity upgrade and transformation action plan (2014~2020)》Release, more stringent sulphur oxygen Compound (SOx) emission request is imperative.So-called " minimum discharge " is flue dust, sulfur dioxide and the nitrogen that coal-burning power plant is discharged 3 atmosphere pollutions of oxide with《Fossil-fuel power plant atmospheric pollutant emission standard》(GB13223-2011) combustion engine specified in will be held Row " the special emission limit of atmosphere pollution " compares, and is up to or less than combustion engine emission limit (i.e. flue dust 5mg/Nm3, two Sulfur oxide 35mg/Nm3, nitrogen oxides 50mgN/m3) situation.
In common wet desulfurization system, flue gas enters from the bottom of desulfurizing tower, and reaction liquid is got to by circulating pump The top of desulfurizing tower is sprayed from specific injection apparatus, and then flue gas flows up, and reaction liquid is transported downwards with atomised form It is dynamic, send out the SO that should be removed in flue gas so as to which chemistry occur in desulfurizing towerx, but can cause since the flowing of flue gas is uneven Desulfuration efficiency is decreased obviously.Simultaneously as flue gas has higher speed, and the contact area of flue gas and reaction solution is larger, The rolling action for causing flue gas is apparent.Lime stone -- there are many advantages of gypsum wet flue gas desulfurizing system, but in the process of running Also often there are some problems.
Into desulfurizing tower flow of flue gas it is uneven be to influence smoke desulfurization efficiency and desulfurizer mist eliminator demisting efficiency Key factor.In order to allow enter flue gas in desulfurizing tower can Uniform Flow, now commonplace way be allow flue gas with to Under the angle of attack enter desulfurizing tower, so this to be easy to cause flow velocity of the flue gas in desulfurizing tower at the smoke inlet small, away from into cigarette Mouthful the flow velocity that goes out of position it is big, the problem of causing flow of flue gas uniformity coefficient low.
Solution to the problems described above is to be provided with the pallet of several circular holes that differ in size by one to carry in the prior art The uniformity coefficient that high flue gas flows in desulfurizing tower, these circular holes gradually increase on pallet from as far as nearly diameter.But due to The problem of the problem of slurry reflux, Crystallization Plugging occurs for the circular hole that this prior art be easy to cause minor diameter, over time Easily influence the uniformity coefficient that flue gas flows in desulfurizing tower.
Utility model content
The purpose of this utility model is to provide the desulfurizing tower that a kind of band is evenly distributed with pallet, for solving flue gas in desulfurizing tower stream The problem of dynamic uniformity coefficient is low.
The technical scheme in the invention for solving the technical problem is:
A kind of band is evenly distributed with the desulfurizing tower of pallet, and the desulfurizing tower includes gas inlet and exhanst gas outlet, and the desulfurizing tower exists Be equipped with spray equipment at position between the gas inlet and exhanst gas outlet, the desulfurizing tower positioned at gas inlet and Uniformly distributed pallet is equipped at position between spray equipment, the uniformly distributed pallet is located on the cross section of the desulfurizing tower, described equal Cloth pallet includes several strip holes, and each strip hole is mutually parallel, and the width of each strip hole is equal, the uniformly distributed pallet Bottom is equipped with several baffles, and each baffle corresponds to a strip hole, and the baffle is to the corresponding strip hole of the baffle Obliquely downward extension;
From as far as near, projection and the ratio of the cross section of the strip hole of each baffle on the cross section on corresponding strip hole Value is gradually reduced.
Further, the angle of the baffle and uniformly distributed pallet is 45 °.
The beneficial effects of the utility model are:
A kind of band provided by the utility model is evenly distributed with the desulfurizing tower of pallet, and the utility model is when work, flue gas warp Gas inlet is entered in desulfurizing tower, and after flue gas is entered in desulfurizing tower, the left side flue gas rate of climb is fast, the right side rate of climb Slowly, when flue gas flows through uniformly distributed pallet, under the action of each baffle, resistance that the flue gas on the left of desulfurizing tower is subject to Less than the resistance that the flue gas on the right side of desulfurizing tower is subject to, flue gas is so improved to a certain extent in desulfurizing tower or so two The uniformity of the flowing velocity of side, simultaneously as each strip hole is of same size, so this can reduce the length positioned at right side The risk that hole crystallizes, so as to ensure that slurries smoothly flow back.
Description of the drawings
Fig. 1 is the structure diagram of the utility model;
Fig. 2 is the structure diagram of pallet;
Fig. 3 is the A-A cross section views of Fig. 2;
In figure:1 desulfurizing tower, 2 gas inlets, 3 exhanst gas outlets, 4 spray equipments, 5 uniformly distributed pallets, 6 strip holes, 7 baffles, 8 Slurry pool, 9 blenders, 10 oxidation fans, 11 demisters, 12 oxidation air pipe networks or spray gun, 13 circulating pumps.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the part of the embodiment of the utility model, instead of all the embodiments.Based on the reality in the utility model Apply example, those of ordinary skill in the art's all other embodiments obtained on the premise of creative work is not made, all Belong to the scope of the utility model protection.
In the description of the present invention, it is to be understood that the orientation or position of the instructions such as term " on ", " under ", "left", "right" It puts relation and is based on orientation shown in FIG. 1 or position relationship for each technical characteristic, be for only for ease of the description present invention and simplification is retouched It states rather than indicates or imply signified device or element must have specific orientation, with specific azimuth configuration and operation, Therefore it is not considered as limiting the invention.
As shown in Figure 1 to Figure 3, desulfurizing tower 1 includes gas inlet 2 and exhanst gas outlet 3, and gas inlet is located at exhanst gas outlet Top, desulfurizing tower 1 are equipped with spray equipment 4 at the position between gas inlet 2 and exhanst gas outlet 3, and spray equipment is used for The out of stock slurries of desulfurization are sprayed, spray equipment 4 is connected by circulating pump 13 with 8 pipeline of slurry pool, and slurry pool 8 is located at desulfurizing tower Bottom, slurry pool 8 are used to store the slurries used in out of stock desulfurization.Oxidation air pipe network or spray gun 12, oxidation are equipped in slurry pool Air pipe network or pelvic cavity 12 are connected with the oxidation fan 10 outside desulfurizing tower.Demister 11. is equipped in the top of desulfurizing tower 1 Desulfurizing tower 1 is equipped with uniformly distributed pallet 5 at the position between gas inlet 2 and spray equipment 4, and uniformly distributed pallet 5 is located at desulfurization On the cross section of tower 1, uniformly distributed pallet includes several strip holes 6, and each strip hole is mutually parallel, and the width of each strip hole is equal, The width of strip hole refers to the size of strip hole in the lateral direction, and the bottom of uniformly distributed pallet is equipped with several baffles 7, each Baffle 7 corresponds to a strip hole, and baffle extends to the obliquely downward of the corresponding strip hole of the baffle.
As shown in Figure 1 to Figure 3, the left side where gas inlet 2 is " near ", and the right side away from gas inlet is " remote ", from as far as near, projection and the ratio of the cross section of the strip hole of each baffle 7 on the cross section on corresponding strip hole 6 Value is gradually reduced, for example, for example positioned at the perspective plane of the cross section of the baffle on the corresponding strip hole of the baffle in left side Product is a, and the area of the strip hole is b;Positioned at the perspective plane of the cross section of the baffle on the corresponding strip hole of the baffle on right side Product is d, and the area of the strip hole is e, then a/b<c/d.Baffle 7 and the angle of uniformly distributed pallet 5 are 45 °.
As shown in Figure 1 to Figure 3, when work, flue gas is entered through gas inlet 2 in desulfurizing tower the utility model, After flue gas is entered in desulfurizing tower, the left side flue gas rate of climb is fast, and the right side rate of climb is slow, when flue gas flows through uniformly distributed pallet 5 When, under the action of each baffle 7, the resistance that the flue gas positioned at 1 left side of desulfurizing tower is subject to is less than positioned at 1 right side of desulfurizing tower The resistance that is subject to of flue gas, so improve the uniform of flowing velocity of the flue gas at left and right sides of desulfurizing tower to a certain extent Degree, simultaneously as each strip hole is of same size, so this can reduce the wind that the strip hole positioned at right side crystallizes Danger, so as to ensure that slurries smoothly flow back.Baffle 7 and the angle of uniformly distributed pallet 5 are 45 °, this is improving flue gas in desulfurizing tower It can also further ensure the smooth degree of slurry reflux while the uniformity coefficient of flowing.

Claims (2)

1. a kind of band is evenly distributed with the desulfurizing tower of pallet, it is characterized in that, the desulfurizing tower includes gas inlet and exhanst gas outlet, described de- Sulphur tower is equipped with spray equipment at the position between the gas inlet and exhanst gas outlet, and the desulfurizing tower is positioned at flue gas Uniformly distributed pallet is equipped at position between import and spray equipment, the uniformly distributed pallet is located on the cross section of the desulfurizing tower, The uniformly distributed pallet includes several strip holes, and each strip hole is mutually parallel, and the width of each strip hole is equal, described uniformly distributed The bottom of pallet is equipped with several baffles, and each baffle corresponds to a strip hole, and the baffle is corresponding to the baffle The obliquely downward extension of strip hole;
From as far as near, projection of each baffle on the cross section on corresponding strip hole is gradually reduced.
2. a kind of band according to claim 1 is evenly distributed with the desulfurizing tower of pallet, it is characterized in that, the baffle and uniformly distributed pallet Angle is 45 °.
CN201721237089.9U 2017-09-25 2017-09-25 A kind of band is evenly distributed with the desulfurizing tower of pallet Active CN207445952U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721237089.9U CN207445952U (en) 2017-09-25 2017-09-25 A kind of band is evenly distributed with the desulfurizing tower of pallet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721237089.9U CN207445952U (en) 2017-09-25 2017-09-25 A kind of band is evenly distributed with the desulfurizing tower of pallet

Publications (1)

Publication Number Publication Date
CN207445952U true CN207445952U (en) 2018-06-05

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Country Status (1)

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CN (1) CN207445952U (en)

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