CN214513789U

CN214513789U - CO reduction denitration device

Info

Publication number: CN214513789U
Application number: CN202120690098.3U
Authority: CN
Inventors: 陈利涛; 王志刚; 刘广铎; 武振平; 刘冀强; 聂苍印; 王磊; 曹军科
Original assignee: Hebei Jinyu Dingxin Cement Co ltd
Current assignee: Hebei Jinyu Dingxin Cement Co ltd
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2021-10-29
Anticipated expiration: 2031-04-06

Abstract

The utility model discloses a CO reduction denitration device, the on-line screen storage device comprises a base, the inboard fixedly connected with gas holder of first mounting bracket, through the gas-supply pipe intercommunication between inside fixedly connected with retort of second mounting bracket and gas holder and the retort, the gas-supply pipe right side is provided with the insulating tube, the gas-supply pipe left side is provided with the valve, retort top left side is through gasfeeding pipeline and insulating tube intercommunication, retort top right side is provided with first pipeline of giving vent to anger, the insulating tube left side is provided with the second pipeline of giving vent to anger, retort right side upper portion is provided with the casing, the inside left side of casing is provided with the compartment, be provided with the impeller in the compartment, the casing bottom is provided with electronic scale and passes through backup pad fixed connection on retort right side upper portion. The utility model discloses in, can waste heat utilization, practice thrift the cost, can also add the catalyst automatically, guarantee that denitration reaction rate is normal, be worth wideling popularize.

Description

CO reduction denitration device

Technical Field

The utility model relates to a flue gas denitration field especially relates to a CO reduction denitrification facility.

Background

In the process of burning or incinerating fuel, due to incomplete combustion of the fuel, the discharged flue gas usually contains considerable CO in addition to NOx, such as coal-fired boiler flue gas, catalytic cracking unit regeneration flue gas and automobile exhaust.

Carbon monoxide and nitrogen oxide generate nitrogen and carbon dioxide under the effect of high temperature state and catalyst, and exhaust nitrogen and carbon dioxide all have the heat, and the waste of the energy can be caused in the direct discharge of these heats to the catalyst also can change under high temperature state itself for catalytic effect reduces.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a CO reduction denitration device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a CO reduction denitration device comprises a base, wherein a first mounting frame is fixedly connected to the left side of the top end of the base, the right side of the top end of the base is fixedly connected with a second mounting rack, the inner side of the first mounting rack is fixedly connected with an air storage tank, the inside of the second mounting rack is fixedly connected with a reaction tank, the gas storage tank is communicated with the reaction tank through a gas pipe, the right side of the gas pipe is provided with a heat preservation pipeline, the left side of the gas pipe is provided with a valve, the left side of the top end of the reaction tank is communicated with the heat preservation pipeline through a gas pipeline, a first air outlet pipeline is arranged on the right side of the top end of the reaction tank, a second air outlet pipeline is arranged on the left side of the heat preservation pipeline, a shell is arranged at the upper part of the right side of the reaction tank, a compartment is arranged at the left side in the shell, an impeller is arranged in the compartment, the bottom end of the shell is provided with an electronic scale which is fixedly connected to the upper part of the right side of the reaction tank through a supporting plate.

As a further description of the above technical solution:

the top end of the gas storage tank is connected to the reaction furnace through a pipeline.

As a further description of the above technical solution:

and the first gas outlet pipeline and the second gas outlet pipeline are converged and connected to the channel waste gas discharge device.

As a further description of the above technical solution:

the rear end of the impeller is provided with a motor, the motor is electrically connected with the electronic scale, and a timer is arranged in the motor.

As a further description of the above technical solution:

the inside bottom of casing is provided with dry box and dry box top is the inclined plane.

As a further description of the above technical solution:

and a heat-insulating layer is arranged on the outer side of the reaction tank.

As a further description of the above technical solution:

and silica gel is arranged in the drying box.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, at first can get into the insulating tube through the gas supply pipe from retort exhaust partial gas in, high-temperature gas can flow left from the right side of insulating tube, preheats to the reaction gas of treating from a left side to the right in the gas-supply pipe, reduces the used energy of waste gas intensification, energy saving.

2. The utility model discloses in, motor timing work drives in the impeller dials the catalyst in the casing into the retort, and the electronic scale passes through the change of weight and gives motor signal, and two of catalyst are carried in the control, realize the quantitative catalyst of carrying for the retort of timing, guarantee the dosage of catalyst in the retort and in suitable within range, guarantee that the reaction rate of denitration keeps good speed in the retort, be worth wideling popularize.

Drawings

Fig. 1 is a perspective view of a CO reduction denitration apparatus provided by the present invention;

fig. 2 is a front view of a CO reduction denitration apparatus provided by the present invention;

fig. 3 is the utility model provides a CO reduction denitrification facility's casing schematic diagram.

Illustration of the drawings:

1. a base; 2. a first mounting bracket; 3. a second mounting bracket; 4. a gas storage tank; 5. a reaction tank; 6. a gas delivery pipe; 7. a valve; 8. a heat-insulating pipeline; 9. a housing; 10. a first outlet duct; 11. an air supply duct; 12. a second outlet duct; 13. an electronic scale; 14. a compartment; 15. an impeller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a CO reduction denitration device comprises a base 1, a first mounting frame 2 is fixedly connected to the left side of the top end of the base 1, a second mounting frame 3 is fixedly connected to the right side of the top end of the base 1, a gas storage tank 4 is fixedly connected to the inner side of the first mounting frame 2, a reaction tank 5 is fixedly connected to the inner side of the second mounting frame 3, the gas storage tank 4 is communicated with the reaction tank 5 through a gas pipe 6, a heat preservation pipeline 8 is arranged on the right side of the gas pipe 6, a valve 7 is arranged on the left side of the gas pipe 6, the left side of the top end of the reaction tank 5 is communicated with the heat preservation pipeline 8 through a gas pipe 11, a first gas outlet pipeline 10 is arranged on the right side of the top end of the reaction tank 5, a second gas outlet pipeline 12 is arranged on the left side of the heat preservation pipeline 8, a shell 9 is arranged on the upper portion of the right side of the reaction tank 5, a compartment 14 is arranged on the left side of the inner portion of the shell 9, an impeller 15 is arranged in the compartment 14, and the electronic scale 13 is fixedly connected to the upper portion of the right side of the reaction tank 5 through a support plate, in the structure, waste gas in the gas holder 4 is sent into the reaction tank 5 through the gas pipe 6, wherein the speed of conveying waste gas to the reaction tank 5 by the gas holder 4 is controlled by the valve 7, the gas part which is completely reacted in the reaction tank 5 is discharged from the first gas outlet pipeline 10, one part of the gas part enters the heat insulation pipeline 8 from the gas inlet pipeline 11, the gas with temperature flows from the right side to the left side of the heat insulation pipeline 8, the gas in the heat insulation pipeline 8 is opposite to the gas movement direction in the gas pipe 6, so that the temperature of the waste gas in the gas pipe 6 gradually rises when flowing into the reaction tank 5, when a catalyst needs to be added in the reaction tank 5, the impeller 15 rotates to stir the catalyst to enter the reaction tank 5, the electronic scale 13 controls the rotation of the impeller 15 through the front-back change of the weight, and further controls the amount of the catalyst entering the reaction tank 5.

The top end of a gas storage tank 4 is connected to a reaction furnace through a pipeline, waste gas in the reaction furnace is stored by the gas storage tank 4, a first gas outlet pipeline 10 and a second gas outlet pipeline 12 converge and are connected with a channel waste gas discharge device, the gas is discharged through one pipeline, the pipeline laying is reduced, the cost is reduced, the rear end of an impeller 15 is provided with a motor, the motor is electrically connected with an electronic scale 13, a timer is arranged in the motor, the timer controls the motor to rotate at regular time, the electronic scale 13 enables the motor to work or stop through the front and back weight change of a shell 9, so that the impeller 15 conveys quantitative catalyst into the reaction tank 5, the bottom end in the shell 9 is provided with a drying box, the top end of the drying box is an inclined surface, the shell 9 is kept dry, the inclined surface at the top end is convenient for the catalyst to fall down, the outer side of the reaction tank 5 is provided with a heat preservation layer, the silica gel is arranged in the drying box, and can be recycled, and the cost is saved.

The working principle is as follows: waste gas in the gas storage tank 4 is sent into the reaction tank 5 through the gas conveying pipe 6, wherein the valve 7 controls the speed of conveying the waste gas from the gas storage tank 4 to the reaction tank 5, the completely reacted gas in the reaction tank 5 is partially discharged from the first gas outlet pipe 10, one part of the completely reacted gas enters the heat insulation pipe 8 from the gas conveying pipe 11, the gas with the temperature flows from the right side to the left side of the heat insulation pipe 8, the gas in the heat insulation pipe 8 and the gas in the gas conveying pipe 6 move in opposite directions, so that the temperature of the waste gas in the gas conveying pipe 6 gradually rises when flowing into the reaction tank 5, when the catalyst needs to be added into the reaction tank 5, the motor works to drive the impeller 15 to rotate to stir the catalyst to enter the reaction tank 5, the electronic scale 13 controls the motor to work and close through the front-back change of the weight, so that the impeller 15 rotates or stops, and further controls the amount of the catalyst entering the reaction tank 5.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a CO reduction denitrification facility, includes base (1), its characterized in that: the reaction tank is characterized in that a first mounting frame (2) is fixedly connected to the left side of the top of the base (1), a second mounting frame (3) is fixedly connected to the right side of the top of the base (1), a gas storage tank (4) is fixedly connected to the inner side of the first mounting frame (2), a reaction tank (5) is fixedly connected to the inside of the second mounting frame (3), the gas storage tank (4) is communicated with the reaction tank (5) through a gas pipe (6), a heat preservation pipeline (8) is arranged on the right side of the gas pipe (6), a valve (7) is arranged on the left side of the gas pipe (6), the left side of the top of the reaction tank (5) is communicated with the heat preservation pipeline (8) through a gas supply pipeline (11), a first gas supply pipeline (10) is arranged on the right side of the top of the reaction tank (5), a second gas supply pipeline (12) is arranged on the left side of the heat preservation pipeline (8), a shell (9) is arranged on the upper portion of the right side of the reaction tank (5), a compartment (14) is arranged on the left side inside the shell (9), an impeller (15) is arranged in the compartment (14), an electronic scale (13) is arranged at the bottom end of the shell (9), and the electronic scale (13) is fixedly connected to the upper portion of the right side of the reaction tank (5) through a supporting plate.

2. The CO reduction denitration apparatus according to claim 1, wherein: the top end of the gas storage tank (4) is connected to the reaction furnace through a pipeline.

3. The CO reduction denitration apparatus according to claim 1, wherein: the first gas outlet pipeline (10) and the second gas outlet pipeline (12) converge and are communicated to an exhaust gas discharge device.

4. The CO reduction denitration apparatus according to claim 1, wherein: the rear end of the impeller (15) is provided with a motor, the motor is electrically connected with the electronic scale (13), and a timer is arranged in the motor.

5. The CO reduction denitration apparatus according to claim 1, wherein: the inside bottom of casing (9) is provided with dry box and dry box top is the inclined plane.

6. The CO reduction denitration apparatus according to claim 1, wherein: and a heat-insulating layer is arranged on the outer side of the reaction tank (5).

7. The CO reduction denitration device according to claim 5, wherein: and silica gel is arranged in the drying box.