CN216604713U

CN216604713U - Flue gas treatment tool with efficient denitration function

Info

Publication number: CN216604713U
Application number: CN202123117639.2U
Authority: CN
Inventors: 颜亮; 严云飞; 于贵军
Original assignee: JIANGSU YUANDONG ENVIRONMENTAL PROTECTION ENGINEERING CO LTD
Current assignee: JIANGSU YUANDONG ENVIRONMENTAL PROTECTION ENGINEERING CO LTD
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-05-27
Anticipated expiration: 2031-12-13

Abstract

The utility model discloses a flue gas treatment tool with a high-efficiency denitration function, which comprises a tank body, wherein the top of the tank body is embedded in an air inlet pipe, the top of the inner wall of the tank body is provided with a hollow annular plate, the bottom of the hollow annular plate is provided with a plurality of spray heads, one side of the tank body, which is positioned on the air inlet pipe, is embedded with a liquid inlet pipe, the bottom end of the liquid inlet pipe is communicated with the inside of the hollow annular plate, and two honeycomb plates are arranged below the hollow annular plate. According to the utility model, flue gas introduced into the tank body is dispersed through the honeycomb plate, the flow velocity of the flue gas is reduced, the reducing agent is uniformly sprayed through the annularly distributed spray heads, and the reducing agent droplets can be attached to the honeycomb plate when falling, so that the falling speed of the reducing agent droplets is reduced, the reducing agent droplets can be fully contacted with the flue gas, the utilization rate of the reducing agent is improved, and the problems that the flue gas introduced into the existing denitration device is high in flow velocity, concentrated and possibly insufficient in contact with the reducing agent droplets are solved.

Description

Flue gas treatment tool with efficient denitration function

Technical Field

The utility model relates to the technical field of flue gas denitration treatment, in particular to a flue gas treatment tool with an efficient denitration function.

Background

The flue gas denitration technology mainly comprises a dry method and a wet method, wherein the dry method denitration comprises selective catalytic reduction flue gas denitration and selective non-catalytic reduction denitration, and compared with the wet method flue gas denitration technology, the dry method flue gas denitration technology has the main advantages that: the method has the advantages of low basic investment, simple equipment and process, no wastewater or waste treatment, and difficult secondary pollution, and the catalytic reduction denitration means that under the action of a catalyst, a reducing agent such as ammonia gas, liquid ammonia and urea is used for selectively reacting with nitrogen oxides in the flue gas to generate nontoxic and pollution-free nitrogen and water, so that the aim of flue gas denitration is fulfilled.

When current flue gas denitrification facility carries out flue gas treatment, the flue gas that lets in the denitrification facility is fast more, and comparatively concentrates, and the flue gas probably is insufficient with reducing agent droplet contact, leads to the flue gas to handle not up to standard, needs carry out secondary denitration treatment, influences the out of stock efficiency of flue gas, therefore urgently needs a flue gas treatment frock solution above-mentioned problem with high-efficient denitration function.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a flue gas treatment tool with an efficient denitration function, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a flue gas treatment frock with high-efficient denitration function, includes a jar body, the intake pipe is rabbeted at jar body top, jar internal wall top is provided with hollow crown plate, and is provided with a plurality of shower nozzles bottom the hollow crown plate, the jar body is located one side scarf joint of intake pipe has the feed liquor pipe, and feed liquor socle end and the inside intercommunication of hollow crown plate, hollow crown plate below is provided with two honeycomb panels, and the honeycomb panel fixes at jar internal wall, the equal cover of hollow crown plate and honeycomb panel is established in the intake pipe outside, jar body bottom is provided with the leakage fluid dram, one side intercommunication of the jar body has the discharge pipe, and is provided with the catalytic treatment subassembly on the discharge pipe.

Preferably, the catalytic treatment assembly comprises a placing cavity, a packing plate and a pulling plate, the discharging pipe is provided with the placing cavity, the packing plate is inserted into the placing cavity, and the pulling plate is arranged at the top of the packing plate.

Preferably, the tank body is provided with support legs outside the liquid outlet, and the number of the support legs is 3.

Preferably, the bottom end of the air inlet pipe is connected with a conical dispersion plate.

Preferably, the number of the spray heads arranged at the bottom of the hollow annular plate is 6-8 pairs, and each pair of the spray heads are uniformly distributed in an annular array.

Preferably, the middle part of the honeycomb plate is provided with a through hole, and the diameter of the inner wall of the through hole is matched with the diameter of the surface of the air inlet pipe.

Preferably, a valve is arranged on the liquid outlet.

Preferably, the inside of the packing sheet is filled with a catalyst.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model is provided with a hollow ring plate, a liquid inlet pipe and a honeycomb plate, smoke introduced into the tank body is dispersed through the honeycomb plate, the flow velocity of the smoke is reduced, a reducing agent is uniformly sprayed through a spray head distributed in an annular shape, and the reducing agent fog drops can be attached to the honeycomb plate when falling, the falling speed of the reducing agent fog drops is reduced, so that the reducing agent fog drops can be fully contacted with the smoke, and the utilization rate of the reducing agent is improved, so that the problems that the smoke introduced into the existing denitration device is faster in flow velocity and more concentrated, and the smoke can be insufficiently contacted with the reducing agent fog drops are solved;

2. the utility model discloses a be provided with the catalytic treatment subassembly, can take out the packing plate from placing intracavity portion through the pulling arm-tie to the interpolation or the taking out of the inside catalyst of packing plate.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic front sectional view of the present invention;

FIG. 3 is a schematic perspective view of the honeycomb panel of the present invention;

fig. 4 is a schematic perspective view of the hollow ring plate of the present invention.

In the figure: 1. a tank body; 2. an air inlet pipe; 3. a hollow ring plate; 4. a spray head; 5. a liquid inlet pipe; 6. a honeycomb panel; 7. a liquid discharge port; 8. a discharge pipe; 9. a placement chamber; 10. a filler sheet; 11. pulling a plate; 12. and (3) a support leg.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a flue gas treatment tool with a high-efficiency denitration function comprises a tank body 1, an air inlet pipe 2 is embedded in the top of the tank body 1, a hollow annular plate 3 is arranged on the top of the inner wall of the tank body 1, a plurality of spray heads 4 are arranged at the bottom of the hollow annular plate 3, a liquid inlet pipe 5 is embedded in one side, located on the air inlet pipe 2, of the tank body 1, the bottom end of the liquid inlet pipe 5 is communicated with the inside of the hollow annular plate 3, two honeycomb plates 6 are arranged below the hollow annular plate 3, the honeycomb plates 6 are fixed on the inner wall of the tank body 1, the hollow annular plate 3 and the honeycomb plates 6 are both sleeved outside the air inlet pipe 2, a liquid discharge port 7 is arranged at the bottom of the tank body 1, a discharge pipe 8 is communicated with one side of the tank body 1, and a catalytic treatment assembly is arranged on the discharge pipe 8.

Specifically, the catalytic treatment subassembly is provided with on the discharge pipe 8 and places chamber 9 including placing chamber 9, packing plate 10 and arm-tie 11, and place chamber 9 inside and insert packing plate 10, and packing plate 10 top is provided with arm-tie 11, and the catalytic treatment subassembly carries out catalytic treatment when being used for the flue gas to carry the reductant entering subassembly.

Specifically, the tank body 1 is provided with support legs 12 at the outer side of the liquid discharge port 7, and the number of the support legs 12 is 3.

Specifically, 2 bottom of intake pipe are connected with the toper dispersion board for small-amplitude dispersion flue gas reduces some gas velocity of flow.

Specifically, the number of the spray heads 4 arranged at the bottom of the hollow annular plate 3 is 6-8 pairs, each pair of spray heads 4 are uniformly distributed in an annular array, and the reducing agents can be uniformly sprayed into the tank body 1 by the aid of the annularly distributed spray heads 4.

Specifically, the middle of the honeycomb plate 6 is provided with a through hole, and the diameter of the inner wall of the through hole is matched with the diameter of the surface of the air inlet pipe 2, so that the honeycomb plate 6 can be sleeved outside the air inlet pipe 2.

Specifically, a valve is arranged on the liquid outlet 7 and used for controlling the liquid accumulated at the bottom of the tank body 1 to flow out.

Specifically, the packing sheet 10 is filled with a catalyst.

When the utility model is used specifically, a reducing agent is introduced into the hollow annular plate 3 through the liquid inlet pipe 5, the spray head 4 sprays the reducing agent into the tank body 1, part of reducing agent droplets are attached to the honeycomb plate 6, then the flue gas is introduced into the tank body 1 through the gas inlet pipe 2, the flue gas entering the tank body 1 passes through the honeycomb plate 6 to disperse gas, reduce the flow rate and fully contact with the reducing agent droplets, and the flue gas carries the reducing agent into the discharge pipe 8, passes through the filler plate 10 and contacts with a catalyst in the discharge pipe, so that the denitration treatment of the flue gas is realized.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a flue gas treatment frock with high-efficient denitration function, includes jar body (1), its characterized in that: the utility model discloses a catalytic treatment of air intake pipe, including jar body (1), air intake pipe (2) are rabbeted at the top, jar body (1) inner wall top is provided with hollow crown plate (3), and hollow crown plate (3) bottom is provided with a plurality of shower nozzles (4), one side that jar body (1) is located air intake pipe (2) has been rabbeted and has been connect feed liquor pipe (5), and feed liquor pipe (5) bottom and the inside intercommunication of hollow crown plate (3), hollow crown plate (3) below is provided with two honeycomb panels (6), and honeycomb panel (6) fix at jar body (1) inner wall, the equal cover of hollow crown plate (3) and honeycomb panel (6) is established in air intake pipe (2) outside, jar body (1) bottom is provided with leakage fluid dram (7), one side intercommunication of jar body (1) has discharge pipe (8), and is provided with the catalytic treatment subassembly on discharge pipe (8).

2. The flue gas treatment tool with the efficient denitration function according to claim 1, characterized in that: the catalytic treatment assembly comprises a placing cavity (9), a packing plate (10) and a pulling plate (11), the discharging pipe (8) is provided with the placing cavity (9), the packing plate (10) is inserted into the placing cavity (9), and the pulling plate (11) is arranged at the top of the packing plate (10).

3. The flue gas treatment tool with the efficient denitration function according to claim 1, characterized in that: the tank body (1) is provided with support legs (12) on the outer side of the liquid outlet (7), and the number of the support legs (12) is 3.

4. The flue gas treatment tool with the efficient denitration function according to claim 1, characterized in that: the bottom end of the air inlet pipe (2) is connected with a conical dispersion plate.

5. The flue gas treatment tool with the efficient denitration function according to claim 1, characterized in that: the number of the spray heads (4) arranged at the bottom of the hollow annular plate (3) is 6-8 pairs, and each pair of the spray heads (4) are uniformly distributed in an annular array.

6. The flue gas treatment tool with the efficient denitration function according to claim 1, characterized in that: the honeycomb plate (6) is provided with a through hole in the middle, and the diameter of the inner wall of the through hole is matched with the diameter of the surface of the air inlet pipe (2).

7. The flue gas treatment tool with the efficient denitration function according to claim 1, characterized in that: and a valve is arranged on the liquid outlet (7).

8. The flue gas treatment tool with the efficient denitration function according to claim 2, characterized in that: the packing plate (10) is filled with a catalyst.