CN216498443U

CN216498443U - Flue gas carbon dioxide emission reduction device

Info

Publication number: CN216498443U
Application number: CN202122668164.XU
Authority: CN
Inventors: 张婧; 周传臣; 韩英波; 石昀; 郭永平; 肖劲松; 兰海宽; 张凤跃; 王勤
Original assignee: Tianjin Dagang Oilfield Bingang Group Bohong Petroleum Chemical Co ltd
Current assignee: Tianjin Dagang Oilfield Bingang Group Bohong Petroleum Chemical Co ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-05-13
Anticipated expiration: 2031-11-03

Abstract

The utility model discloses a flue gas carbon dioxide emission reduction device, which comprises an emission reduction tower body, a supporting pipe and a carbon dioxide sensor, wherein the lower surface of the emission reduction tower body is welded with supporting legs, a supporting pipe is embedded and fixed in the emission reduction tower body, the outer end face of one side of the supporting pipe is communicated with an air inlet pipe penetrating through the emission reduction tower body, and the outer surface of the air inlet pipe is in threaded connection with an air inlet valve, the inner wall of the emission reduction tower body is fixed with a fixed pipe, the upper surface of the emission reduction tower body is communicated with an exhaust pipe, the outer end surface of one side of the exhaust pipe is communicated with an air return pipe, and the air return pipe is communicated with the air inlet pipe, the outer surface of the air return pipe is connected with a first control valve through threads, the outer surface threaded connection of blast pipe has the second control valve, the carbon dioxide sensor is installed to the inner wall of blast pipe, and the controller is installed to the inner wall of blast pipe below that is located the carbon dioxide sensor. The utility model has better effect of reducing carbon dioxide in flue gas and high emission reduction efficiency.

Description

Flue gas carbon dioxide emission reduction device

Technical Field

The utility model relates to the technical field of emission of carbon dioxide in flue gas, in particular to a device for reducing emission of carbon dioxide in flue gas.

Background

Flue gas is a mixture of gas and smoke dust and is the main cause of atmospheric pollution in residential areas. The components of the flue gas are complex, the gas comprises water vapor, SO2, N2, O2, CO2 hydrocarbon, nitrogen oxide and the like, and the smoke comprises ash, coal particles, oil drops, pyrolysis products and the like of the fuel. Therefore, the pollution of the flue gas to the environment is the composite pollution of various poisons. The hazard of smoke to human bodies is related to the size of particles, most of which are fly ash with the diameter less than 10 microns, and particularly the fly ash with the diameter of 1-2.5 microns is the most harmful to human bodies.

When the flue gas carbon dioxide emission device emits carbon dioxide, a large amount of carbon dioxide is emitted into the atmosphere, the pollution to the environment is large, the greenhouse effect is also the main reason, and the current flue gas carbon dioxide emission reduction device has a common effect of reducing carbon dioxide.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a flue gas carbon dioxide emission reduction device 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 carbon dioxide emission reduction device, includes emission reduction tower body, stay tube and carbon dioxide sensor, the lower skin weld of emission reduction tower body has the supporting leg, and the inside embedding of emission reduction tower body is fixed with the stay tube, the outer terminal surface intercommunication in one side of stay tube has the intake pipe that runs through emission reduction tower body, and the surface threaded connection of intake pipe has the admission valve, the inner wall of emission reduction tower body is fixed with fixed pipe, and the upper surface intercommunication of emission reduction tower body has the blast pipe, the surface threaded connection of blast pipe has the second control valve, the carbon dioxide sensor is installed to the inner wall of blast pipe, and the controller is installed to the inner wall of blast pipe is located carbon dioxide sensor's below.

Preferably, the outer end face of one side of the exhaust pipe is communicated with an air return pipe, the air return pipe is communicated with the air inlet pipe, and the outer surface of the air return pipe is in threaded connection with a first control valve.

Preferably, the outer end face of one side of the fixed pipe is communicated with a spray head, and the spray head is embedded and fixed on the inner wall of the supporting pipe.

Preferably, the outer end face of one side of the fixed pipe is communicated with a liquid inlet pipe penetrating through the emission reduction tower body, and the outer surface of the liquid inlet pipe is in threaded connection with a liquid inlet valve.

Preferably, the lower surface of the supporting tube is communicated with a liquid outlet tube, and the outer surface of the liquid outlet tube is in threaded connection with a liquid outlet valve.

Preferably, the lower surface of the emission reduction tower body is communicated with a liquid discharge pipe, and the outer surface of the liquid discharge pipe is in threaded connection with a liquid discharge valve.

Preferably, the signal transmitting end of the carbon dioxide sensor is electrically connected with the signal receiving end of the controller, and the signal transmitting end of the controller is electrically connected with the signal receiving ends of the first control valve and the second control valve.

Compared with the prior art, the utility model has the beneficial effects that: opening an air inlet valve, introducing flue gas into the supporting pipe through an air inlet pipe, enabling the flue gas to rise in the supporting pipe, opening a liquid inlet valve, enabling liquid to enter a fixing pipe through the liquid inlet pipe, then spraying out the liquid through a spray head, enabling the liquid to be mixed with the flue gas, absorbing carbon dioxide in the flue gas, enabling formed liquid to flow down along the supporting pipe, opening a liquid outlet valve, enabling the liquid to enter the bottom end in the emission reduction tower body through the liquid outlet pipe, enabling the flue gas mixed with the carbon dioxide to enter an exhaust pipe, enabling a carbon dioxide sensor to detect the content of the carbon dioxide in the flue gas, setting a numerical value for the carbon dioxide sensor, enabling the carbon dioxide sensor to transmit a signal to a controller, enabling the controller to transmit a signal to a first control valve, enabling the controller to open the first control valve, enabling the flue gas to return to the air inlet pipe through a gas return pipe, then absorbing the flue gas again, and enabling the carbon dioxide in the flue gas to be lower than the set value, the carbon dioxide sensor transmits signals to the controller, the controller transmits signals to the second control valve, the controller opens the second control valve, the flue gas is discharged through the exhaust pipe, the supporting pipe is designed in an S shape, the retention time of the flue gas in the emission reduction tower body can be prolonged, and the emission reduction effect is better.

Drawings

FIG. 1 is a main sectional structural view of the present invention;

FIG. 2 is an enlarged schematic view of A of FIG. 1 according to the present invention;

FIG. 3 is a schematic front view of the present invention;

FIG. 4 is a schematic diagram of an electrical structure of the present invention.

In the figure: 1. an air return pipe; 2. a first control valve; 3. an exhaust pipe; 4. a second control valve; 5. an emission reduction column body; 6. a fixed tube; 7. supporting a tube; 8. a spray head; 9. a liquid inlet valve; 10. a liquid inlet pipe; 11. a liquid outlet valve; 12. a liquid outlet pipe; 13. supporting legs; 14. a drain valve; 15. a liquid discharge pipe; 16. an air inlet pipe; 17. an intake valve; 18. a carbon dioxide sensor; 19. and a controller.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, an embodiment of the present invention includes: the utility model provides a flue gas carbon dioxide emission reduction device, includes emission reduction tower body 5, stay tube 7 and carbon dioxide sensor 18, and the lower surface welding of emission reduction tower body 5 has supporting leg 13, and the inside embedding of emission reduction tower body 5 is fixed with stay tube 7, and the lower surface intercommunication of emission reduction tower body 5 has fluid-discharge tube 15, and the surface threaded connection of fluid-discharge tube 15 has flowing back valve 14.

The lower surface of a supporting pipe 7 is communicated with a liquid outlet pipe 12, the outer surface of the liquid outlet pipe 12 is in threaded connection with a liquid outlet valve 11, the outer end surface of one side of the supporting pipe 7 is communicated with an air inlet pipe 16 penetrating through an emission reduction tower body 5, the outer surface of the air inlet pipe 16 is in threaded connection with an air inlet valve 17, a fixing pipe 6 is fixed on the inner wall of the emission reduction tower body 5, the outer end surface of one side of the fixing pipe 6 is communicated with a spray head 8, the spray head 8 is embedded and fixed on the inner wall of the supporting pipe 7, the outer end surface of one side of the fixing pipe 6 is communicated with a liquid inlet pipe 10 penetrating through the emission reduction tower body 5, the outer surface of the liquid inlet pipe 10 is in threaded connection with a liquid inlet valve 9, the air inlet valve 17 is opened, flue gas is introduced into the supporting pipe 7 through the air inlet pipe 16, the flue gas rises inside the supporting pipe 7, the liquid inlet valve 9 is opened, liquid enters the fixing pipe 6 through the liquid inlet pipe 10 and then is sprayed out through the spray head 8, the liquid is mixed with the flue gas to absorb carbon dioxide in the flue gas, the formed liquid flows down along the supporting pipe 7, the liquid outlet valve 11 is opened, and the liquid enters the bottom end inside the emission reduction tower body 5 through the liquid outlet pipe 12.

The upper surface of the emission reduction tower body 5 is communicated with an exhaust pipe 3, the outer end surface of one side of the exhaust pipe 3 is communicated with an air return pipe 1, the air return pipe 1 is communicated with an air inlet pipe 16, the outer surface of the air return pipe 1 is in threaded connection with a first control valve 2, the outer surface of the exhaust pipe 3 is in threaded connection with a second control valve 4, a carbon dioxide sensor 18 is installed on the inner wall of the exhaust pipe 3, a controller 19 is installed on the inner wall of the exhaust pipe 3 below the carbon dioxide sensor 18, the signal transmitting end of the carbon dioxide sensor 18 is electrically connected with the signal receiving end of the controller 19, the signal transmitting end of the controller 19 is electrically connected with the signal receiving ends of the first control valve 2 and the second control valve 4, the flue gas mixed with carbon dioxide enters the exhaust pipe 3, the carbon dioxide sensor 18 can detect the content of carbon dioxide in the flue gas, and set a numerical value for the carbon dioxide sensor 18, when carbon dioxide in the flue gas is higher than a set value, the carbon dioxide sensor 18 transmits a signal to the controller 19, the controller 19 transmits a signal to the first control valve 2, the controller 19 opens the first control valve 2, the flue gas returns to the air inlet pipe 16 through the air return pipe 1 and is then absorbed again, when the carbon dioxide in the flue gas is lower than the set value, the carbon dioxide sensor 18 transmits a signal to the controller 19, the controller 19 transmits a signal to the second control valve 4, the controller 19 opens the second control valve 4, the flue gas is discharged through the exhaust pipe 3, and the support pipe 7 is designed in an S shape, so that the residence time of the flue gas in the emission reduction tower body 5 can be prolonged, and the emission reduction effect is better.

Of course, as is well known to those skilled in the art, the first control valve 2, the second control valve 4, the spray head 8, the carbon dioxide sensor 18 and the controller 19 of the present invention also need to provide a power device to enable the normal operation thereof, and as is well known to those skilled in the art, the power supply is well known and is in the conventional means or common knowledge, which is not described herein in detail, and any selection can be made by those skilled in the art according to the needs or convenience thereof.

The working principle is as follows: an air inlet valve 17 is opened, the flue gas is introduced into a supporting pipe 7 through an air inlet pipe 16, the flue gas rises in the supporting pipe 7, a liquid inlet valve 9 is opened, liquid enters a fixing pipe 6 through a liquid inlet pipe 10, then the liquid is sprayed out through a spray head 8 and is mixed with the flue gas to absorb carbon dioxide in the flue gas, the formed liquid flows down along the supporting pipe 7, a liquid outlet valve 11 is opened, the liquid enters the bottom end of the interior of an emission reduction tower body 5 through a liquid outlet pipe 12, the flue gas mixed with the carbon dioxide enters an exhaust pipe 3, a carbon dioxide sensor 18 can detect the content of the carbon dioxide in the flue gas and sets a numerical value for the carbon dioxide sensor 18, when the carbon dioxide in the flue gas is higher than the set value, the carbon dioxide sensor 18 transmits a signal to a controller 19, the controller 19 transmits a signal to a first control valve 2, the controller 19 opens the first control valve 2, and the flue gas returns to the air inlet pipe 16 through an air return pipe 1, and then absorbing again, when the carbon dioxide in the flue gas is lower than a set value, the carbon dioxide sensor 18 transmits a signal to the controller 19, the controller 19 transmits a signal to the second control valve 4, the controller 19 opens the second control valve 4, the flue gas is discharged through the exhaust pipe 3, and the support pipe 7 adopts an S-shaped design, so that the retention time of the flue gas in the emission reduction tower body 5 can be prolonged, and the emission reduction effect is better.

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 carbon dioxide emission reduction device, includes emission reduction tower body (5), stay tube (7) and carbon dioxide sensor (18), its characterized in that: the lower surface welding of emission reduction tower body (5) has supporting leg (13), and the inside embedding of emission reduction tower body (5) is fixed with stay tube (7), the outer terminal surface intercommunication in one side of stay tube (7) has intake pipe (16) of running through emission reduction tower body (5), and the surface threaded connection of intake pipe (16) has admission valve (17), the inner wall of emission reduction tower body (5) is fixed with fixed pipe (6), and the upper surface intercommunication of emission reduction tower body (5) has blast pipe (3), the surface threaded connection of blast pipe (3) has second control valve (4), carbon dioxide sensor (18) are installed to the inner wall of blast pipe (3), and controller (19) are installed to the below that the inner wall of blast pipe (3) is located carbon dioxide sensor (18).

2. The flue gas carbon dioxide emission reduction device of claim 1, wherein: the exhaust pipe is characterized in that the outer end face of one side of the exhaust pipe (3) is communicated with an air return pipe (1), the air return pipe (1) is communicated with an air inlet pipe (16), and the outer surface of the air return pipe (1) is in threaded connection with a first control valve (2).

3. The flue gas carbon dioxide emission reduction device of claim 1, wherein: the outer end face of one side of the fixed pipe (6) is communicated with a spray head (8), and the spray head (8) is embedded and fixed on the inner wall of the supporting pipe (7).

4. The flue gas carbon dioxide emission reduction device of claim 1, wherein: the outer end face of one side of the fixed pipe (6) is communicated with a liquid inlet pipe (10) penetrating through the emission reduction tower body (5), and the outer surface of the liquid inlet pipe (10) is in threaded connection with a liquid inlet valve (9).

5. The flue gas carbon dioxide emission reduction device of claim 1, wherein: the lower surface of the supporting tube (7) is communicated with a liquid outlet tube (12), and the outer surface of the liquid outlet tube (12) is in threaded connection with a liquid outlet valve (11).

6. The flue gas carbon dioxide emission reduction device of claim 1, wherein: the lower surface of the emission reduction tower body (5) is communicated with a liquid discharge pipe (15), and the outer surface of the liquid discharge pipe (15) is in threaded connection with a liquid discharge valve (14).

7. The flue gas carbon dioxide emission reduction device of claim 1, wherein: and the signal transmitting end of the carbon dioxide sensor (18) is electrically connected with the signal receiving end of the controller (19), and the signal transmitting end of the controller (19) is electrically connected with the signal receiving ends of the first control valve (2) and the second control valve (4).