CN214715654U - Reaction device for absorbing carbon dioxide by mixing absorption liquid jet with flue gas - Google Patents
Reaction device for absorbing carbon dioxide by mixing absorption liquid jet with flue gas Download PDFInfo
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- CN214715654U CN214715654U CN202120340748.1U CN202120340748U CN214715654U CN 214715654 U CN214715654 U CN 214715654U CN 202120340748 U CN202120340748 U CN 202120340748U CN 214715654 U CN214715654 U CN 214715654U
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Abstract
The utility model discloses an absorption liquid jet flow mixed flue gas carbon dioxide reaction device, which comprises a reaction tank, an absorption liquid jet flow nozzle, an absorption liquid supply pipeline and a flue gas supply pipeline; the bottom of the reaction tank is a mixed liquid of an absorption liquid and a reaction liquid, an absorption liquid supply pipeline is connected with an absorption liquid jet nozzle, the absorption liquid jet nozzle is arranged at the middle upper part of the reaction tank, a flue gas aeration pipe is arranged at the bottom of the reaction tank, a plurality of aeration holes are formed in the flue gas aeration pipe, and a flue gas supply pipeline is communicated with a medium inlet of the flue gas aeration pipe; the top end of the reaction tank is provided with a tail gas discharge pipeline, and the bottom end of the reaction tank is provided with a reaction liquid discharge pipeline; by utilizing a jet mixing principle, turbulent flow is caused in the mixed liquid or in a gas space of a reaction tank by utilizing the high-pressure absorption liquid flow supplied by the absorption liquid supply pipeline, so that high-efficiency mixing and reaction of the high-speed jet absorption liquid and the mixed liquid or the flue gas are realized; the jet mixing mode has simple equipment and low investment cost of the device.
Description
Technical Field
The utility model belongs to carbon dioxide emission reduction field, concretely relates to absorption liquid efflux mixes flue gas and absorbs carbon dioxide reaction unit.
Background
With the increasing level of industrialization in the world, the greenhouse effect of carbon dioxide in the atmosphere is intensified by the change of more and more fossil fuel use and land utilization. The increase in carbon dioxide content caused by human activities is being increasingly noticed. In all carbon dioxide gas emission sources, the amount of carbon dioxide emitted by the coal-fired boiler accounts for the main part, so how to capture and treat the carbon dioxide gas in the flue gas of the coal-fired boiler becomes the key for carbon emission reduction in the future energy industry.
Meanwhile, carbon dioxide is widely applied to various fields such as agriculture, machinery, chemical synthesis, food and the like. The recovery of carbon dioxide in the flue gas is not only the most direct and effective means for relieving the crisis of carbon dioxide emission, but also can reduce the production cost.
Methods for separating carbon dioxide from boiler flue gas generally include physical absorption, chemical absorption, membrane, and chemical adsorption, wherein chemical absorption is more common. The chemical treatment technology of carbon dioxide comprises one or more reversible reactions between carbon dioxide and other substances (such as various levels of alcohol amine, sodium hydroxide, sodium carbonate, ammonia gas or ammonia water and the like) to achieve the separation effect.
At present, the conventional chemical absorption method adopts an aeration method to mix the flue gas and the absorption liquid, so that the carbon dioxide in the flue gas and the substances in the absorption liquid do not react fully, the concentration of residual carbon dioxide in a reaction tank is too high, and the application effect of an absorption reaction device is poor. The main reason is that the reaction ratio of carbon dioxide and the absorption liquid is low due to the limited gas-liquid mixing degree and mixing time of the aeration method.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an absorption liquid efflux mixes flue gas absorption carbon dioxide reaction unit utilizes the efflux principle of mixing, utilizes the high-pressure absorption liquid stream that absorption liquid feed line supplied with causes the vortex in mixing the liquid or retort gas space, realizes high-speed efflux absorption liquid and the high-efficient mixing and the reaction of mixing liquid or flue gas.
In order to achieve the above purpose, the utility model adopts the technical scheme that: an absorption liquid jet flow mixed flue gas carbon dioxide reaction device comprises a reaction tank, an absorption liquid jet flow nozzle, an absorption liquid supply pipeline and a flue gas supply pipeline; the bottom of the reaction tank is a mixed liquid of an absorption liquid and a reaction liquid, an absorption liquid supply pipeline is connected with an absorption liquid jet nozzle, the absorption liquid jet nozzle is arranged at the middle upper part of the reaction tank, a flue gas aeration pipe is arranged at the bottom of the reaction tank, a plurality of aeration holes are formed in the flue gas aeration pipe, and a flue gas supply pipeline is communicated with a medium inlet of the flue gas aeration pipe; the top end of the reaction tank is provided with a tail gas discharge pipeline, and the bottom end of the reaction tank is provided with a reaction liquid discharge pipeline; and the high-pressure absorption liquid flow supplied by the absorption liquid supply pipeline causes turbulence in the mixed liquid or in the gas space of the reaction tank, so that the absorption liquid and the flue gas are fully mixed.
The absorption liquid jet nozzle is immersed in the mixed liquid at the bottom of the reaction tank or arranged above the liquid level of the mixed liquid and directly exposed in the gas space at the middle part or the upper part of the reaction tank.
The absorption liquid jet nozzles are arranged in two groups, wherein one group of the absorption liquid jet nozzles is immersed in the mixed liquid at the bottom of the reaction tank, and the other group of the absorption liquid jet nozzles is arranged above the liquid level of the mixed liquid and is directly exposed in the gas space in the middle or the upper part of the reaction tank.
And the middle part or the upper part of the reaction tank is provided with an absorption liquid atomizing nozzle or a spray nozzle, and the absorption liquid atomizing nozzle or the spray nozzle is communicated with an absorption liquid supply pipeline to complete sufficient carbon dioxide absorption reaction by utilizing the convection mixing reaction of atomized or sprayed absorption liquid droplets from top to bottom and flue gas from bottom to top.
The absorption liquid jet nozzle is provided in plurality.
The absorption liquid is sodium carbonate, sodium hydroxide, calcium carbonate, calcium hydroxide, potassium carbonate, potassium hydroxide, ethanolamine, diethanolamine, N-methyldiethanolamine, monoethanolamine and Li2ZrO3And any one or combination of substance solutions such as ammonia water.
The absorption liquid is sodium hydroxide, potassium hydroxide or calcium hydroxide solution; the electrolytic cell for electrolyzing the brine in the thermal power plant is communicated with an absorption liquid supply pipeline, and the solution is from the electrolytic cell for electrolyzing the brine in the thermal power plant; a flow regulating valve is arranged on the path from the electrolytic bath to the absorption liquid supply pipeline; the electric energy input end of an electrolytic cell for electrolyzing saline water in a thermal power plant is connected with the electric energy output end of the power plant; the hydrogen of the electrolytic bath for electrolyzing the brine in the thermal power plant is connected with a hydrogen system of the power plant, a hydrogen storage steel cylinder or an external conveying pipeline.
The top of the reaction tank is provided with a carbon dioxide recovery pipeline which is connected with a control valve, a gas drier and a boiler clean flue gas connecting pipeline; the reaction liquid discharge pipeline is connected with a solution storage tank after reaction, a post-treatment device or a regeneration device.
A pressure and temperature transmitter is arranged on the purified flue gas supply pipeline, a concentration monitoring sensor, a temperature monitoring sensor and a flowmeter are arranged on the absorption liquid supply pipeline, and a flowmeter and a concentration monitoring sensor are arranged on the reaction liquid discharge pipeline; and a tail gas discharge pipeline is provided with carbon dioxide and nitrogen concentration monitoring sensors and an air discharge valve.
Safety valves are arranged on the top of the reaction tank and the absorption liquid supply pipeline, and the safety valve on the top of the reaction tank is an overpressure protection valve; the absorption liquid supply pipeline is provided with a safety valve which is an emergency shut-off valve.
Compared with the prior art, the utility model discloses following beneficial effect has at least:
1) by utilizing a jet mixing principle, turbulent flow is caused in the mixed liquid or in a gas space of a reaction tank by utilizing the high-pressure absorption liquid flow supplied by the absorption liquid supply pipeline, so that high-efficiency mixing and reaction of the high-speed jet absorption liquid and the mixed liquid or the flue gas are realized;
2) the jet mixing mode has simple equipment and low investment cost of the device;
3) the flue gas enters the mixed liquid at the bottom of the reaction tank from the bottom, the carbon dioxide is absorbed through preliminary reaction, and the escaped carbon dioxide is mixed with the high-pressure absorption liquid flow supplied by the absorption liquid supply pipeline in the reaction tank and is further absorbed.
Furthermore, the absorption liquid jet nozzles are arranged in two groups, one group of the absorption liquid jet nozzles is immersed in the mixed liquid at the bottom of the reaction tank, and the other group of the absorption liquid jet nozzles is arranged above the liquid level of the mixed liquid and is directly exposed in the gas space in the middle or the upper part of the reaction tank, so that the absorption liquid jet nozzles are suitable for treating the flue gas with extremely high carbon dioxide concentration.
Furthermore, the middle part or the upper part of the reaction tank is provided with an absorption liquid atomizing nozzle or a spray nozzle, the absorption liquid atomizing nozzle or the spray nozzle is communicated with an absorption liquid supply pipeline, atomized or sprayed absorption liquid drops are mixed and reacted with flue gas from top to bottom in a convection mode, sufficient absorption carbon dioxide reaction is completed, and the reaction tank is assisted to spray or atomize, so that the reaction of high-efficiency carbon dioxide and absorption liquid is realized.
Furthermore, a carbon dioxide recovery pipeline is arranged at the top of the reaction tank and is connected with the control valve, the gas dryer and the boiler clean flue gas connecting pipeline, so that the carbon dioxide gas which does not participate in the reaction absorption escape returns to the clean flue gas connecting pipeline and enters the reaction tank again for further reaction absorption.
Further, a pressure and temperature transmitter is arranged on the clean flue gas supply pipeline, a concentration monitoring sensor, a temperature monitoring sensor and a flowmeter are arranged on the absorption liquid supply pipeline, and a flowmeter and a concentration monitoring sensor are arranged on the reaction liquid discharge pipeline; the tail gas discharge pipeline is provided with carbon dioxide and nitrogen concentration monitoring sensors, when the concentration of carbon dioxide at the top is lower than a certain value, an air discharge valve of the led-out carbon dioxide recovery pipeline is opened, the residual flue gas is discharged to a chimney or is directly discharged to the air, absorption liquid can be supplemented at any time according to the flowmeter and the concentration monitoring sensors, and the concentration of the absorption liquid is ensured to be enough to react with the carbon dioxide; and when the concentration of the carbon dioxide at the top is lower than the value required by environmental protection, an air discharge valve of the led-out carbon dioxide recovery pipeline is opened, and the residual flue gas is discharged to a chimney or directly discharged to the air.
Further, utilizing peak-adjusting frequency-adjusting surplus electric power electrolysis brine of the thermal power plant to produce a hydroxide solution at a low price, wherein an absorption liquid supply pipeline is communicated with an electrolytic tank of the electrolysis brine of the thermal power plant, and the sodium hydroxide, potassium hydroxide or calcium hydroxide solution is from the electrolytic tank of the electrolysis brine in the thermal power plant; the electric energy input end of the electrolytic cell is communicated with the electric energy output end of a power plant, and the electric power used by the electrolytic cell for electrolyzing the brine to prepare the hydrogen oxide solution is peak-load-adjusting frequency-adjusting surplus electric power of the thermal power plant; the method is favorable for realizing the full utilization of energy of the power plant.
Further, an absorption liquid spraying unit is arranged and communicated with an absorption liquid supply pipeline; the absorption liquid enters the tower from the upper part of the tower through an atomizing nozzle or a spray nozzle, and the unreacted carbon dioxide in the carbon dioxide reaction absorption tower is further absorbed by the sprayed absorption liquid through the convection mixing reaction of the atomized or sprayed absorption liquid from top to bottom and the flue gas from bottom to top.
Further, safety valves are arranged on the top of the reaction tank and the absorption liquid supply pipeline, the safety valves on the top of the reaction tank are overpressure protection valves, and when the pressure in the reaction tank exceeds a limit value, the relief pressure is opened emergently; the absorption liquid supply pipeline is provided with a safety valve which is an emergency shut-off valve, when the jet flow injection pressure and the flow rate exceed set limit values or the pressure in the reaction tank is abnormal, the safety shut-off valve can be quickly and automatically started, the supply of the absorption liquid is shut off, and the safe operation of the reaction device can be ensured.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic diagram of a first embodiment provided herein;
FIG. 2 is a schematic diagram of a second embodiment provided herein;
fig. 3 is a schematic diagram of a third embodiment provided in the present application.
Fig. 4 is a schematic diagram of a fourth embodiment provided in the present application.
FIG. 5 is a schematic diagram of an alternative embodiment provided herein.
In the drawings: 1 is a reaction tank, 2 is an absorption liquid jet nozzle, 3 is an absorption liquid supply pipeline, 4 is a flue gas aeration pipe, 5 is an aeration hole, 6 is a flue gas supply pipeline, 7 is reaction liquid, 8 is a reaction liquid discharge pipeline, 9 is a tail gas discharge pipeline, and 10 is an absorption liquid atomization nozzle or a spray nozzle.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.
The core of the application is to provide a thermal power plant absorption liquid jet flow mixed flue gas carbon dioxide reaction device and method.
Referring to fig. 1 to 2, embodiment 1:
an absorption liquid jet flow mixed flue gas carbon dioxide reaction device comprises a reaction tank 1, an absorption liquid jet flow nozzle 2, an absorption liquid supply pipeline 3 and a flue gas supply pipeline 6; the bottom of the reaction tank 1 is a mixed liquid of an absorption liquid and a reaction liquid, an absorption liquid supply pipeline 3 is connected with an absorption liquid jet nozzle 2, the absorption liquid jet nozzle 2 is arranged at the middle upper part of the reaction tank 1, a flue gas aeration pipe 4 is arranged at the bottom of the reaction tank 1, a plurality of aeration holes 5 are formed in the flue gas aeration pipe 4, and a flue gas supply pipeline 6 is communicated with a medium inlet of the flue gas aeration pipe 4; a tail gas discharge pipeline 9 is arranged at the top end of the reaction tank 1, and a reaction liquid discharge pipeline 8 is arranged at the bottom end of the reaction tank 1; the high-pressure absorption liquid flow supplied by the absorption liquid supply pipeline 3 is utilized to cause turbulence in the mixed liquid or the gas space of the reaction tank, so that the absorption liquid and the flue gas are fully mixed; the absorption liquid jet nozzles 2 are arranged in two groups, wherein one group is immersed in the mixed liquid at the bottom of the reaction tank, and the other group of the absorption liquid jet nozzles 2 is arranged above the liquid level of the mixed liquid and is directly exposed in the gas space in the middle or the upper part of the reaction tank.
Example 2: suspended jet
As shown in fig. 2, on the basis of embodiment 1, only the suspended absorption liquid jet nozzles 2 are provided, and the absorption liquid jet nozzles are suspended in the gas space in the middle or upper part of the reaction tank 1, and a plurality of absorption liquid jet nozzles 2 may be provided.
Example 3:
referring to fig. 2 and 3, on the basis of example 1, only the absorption liquid jet nozzle 2 immersed in the mixed liquid was provided, and the absorption liquid jet nozzle was immersed in the solution at the bottom of the reaction tank. The absorption liquid jet nozzle 2 may be provided in plurality based on the present embodiment.
As shown in fig. 1, the position of the absorption liquid jet nozzle in the figure can move up and down, and the nozzle moves to a corresponding position according to the working condition, the concentration of the reaction liquid in the solution, the concentration of carbon dioxide in the space and the injection pressure of the absorption liquid, and the specific rule is as follows:
1) when the jet pressure of the absorption liquid jet is lower than a set value, the absorption liquid jet nozzle must be kept at a suspension position, because if the nozzle is still immersed in the solution at the moment, if the immersion depth is too deep, the solution can be caused to flow backwards into the nozzle or be mixed with subsequent jet flow, noise and vibration such as blasting are caused, and the safety of the reaction tank is threatened.
2) When the jet pressure of the absorption liquid exceeds a certain value, the nozzle must be immersed in the solution to avoid excessive noise and vibration caused by liquid and gas turbulence at excessively high jet velocity.
3) The nozzle moves up and down by a servo motor and a transmission mechanism, and the absorption liquid supply pipeline corresponding to the nozzle has enough rigidity, so that excessive vibration and vibration of the nozzle, the pipeline and the transmission mechanism are avoided.
4) The absorption liquid supply pipeline is provided with a safety shut-off valve, and when the jet flow injection pressure and the flow rate exceed the limit values or the pressure in the reaction tank is abnormal, the safety shut-off valve can be quickly and automatically started to shut off the supply of the absorption liquid.
Of course there is also a possibility, namely embodiment 4:
referring to fig. 4 and 5, based on the above 3 embodiments, an absorption liquid atomizing nozzle or a spray nozzle 10 is disposed in the middle or upper portion of the reaction tank 1, the absorption liquid atomizing nozzle or the spray nozzle 10 is communicated with the absorption liquid supply pipeline 3, and the atomized or sprayed absorption liquid droplets are mixed and reacted with the flue gas from top to bottom by convection, so as to complete a sufficient carbon dioxide absorption reaction, and a plurality of absorption liquid jet nozzles 2 may be disposed;
the specific method for absorbing carbon dioxide by the absorption liquid is any one or combination of a hot potash method (a benzophenanthrel method, an arsenic alkali method and a steric hindrance method) and an alkyl alcohol amine absorption method (an ethanolamine MEA method, a diethanolamine DEA method, an N-methyldiethanolamine or MDEA method, an ammonia water method and a lithium salt absorption method.
The absorption liquid is sodium carbonate, sodium hydroxide, calcium carbonate, calcium hydroxide, potassium carbonate, potassium hydroxide, ethanolamine, diethanolamine, N-methyldiethanolamine, monoethanolamine and Li2ZrO3And any one or combination of substance solutions such as ammonia water.
The absorption liquid is sodium hydroxide, potassium hydroxide or calcium hydroxide solution; the electrolytic tank for electrolyzing the brine in the thermal power plant is communicated with the absorption liquid supply pipeline 3, and the solution is from the electrolytic tank for electrolyzing the brine in the thermal power plant; a flow regulating valve is arranged on the path from the electrolytic bath to the absorption liquid supply pipeline 3; the electric energy input end of an electrolytic cell for electrolyzing saline water in a thermal power plant is connected with the electric energy output end of the power plant; the hydrogen of the electrolytic bath for electrolyzing the brine in the thermal power plant is connected with a hydrogen system of the power plant, a hydrogen storage steel cylinder or an external conveying pipeline.
Example 5:
the top of the reaction tank 1 is provided with a carbon dioxide recovery pipeline which is connected with a control valve, a gas dryer and a boiler clean flue gas connecting pipeline; the reaction liquid discharge pipeline 8 is connected with a solution storage tank after reaction, a post-treatment device or a regeneration device.
Example 6:
a pressure and temperature transmitter is arranged on the clean flue gas supply pipeline 6, a concentration monitoring sensor, a temperature monitoring sensor and a flowmeter are arranged on the absorption liquid supply pipeline 3, and a flowmeter and a concentration monitoring sensor are arranged on the reaction liquid discharge pipeline 8; and a carbon dioxide and nitrogen concentration monitoring sensor and an air exhaust valve are arranged on the tail gas exhaust pipeline 9.
Example 7:
safety valves are arranged on the top of the reaction tank 1 and the absorption liquid supply pipeline 3, and the safety valve on the top of the reaction tank is an overpressure protection valve; the absorption liquid supply pipeline is provided with a safety valve which is an emergency shut-off valve.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The device and the method for reacting carbon dioxide in the mixed flue gas of the absorption liquid jet flow of the thermal power plant are introduced in detail. The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.
Claims (10)
1. The reaction device for absorbing carbon dioxide by using absorption liquid jet mixed flue gas is characterized by comprising a reaction tank (1), an absorption liquid jet nozzle (2), an absorption liquid supply pipeline (3) and a flue gas supply pipeline (6); the bottom of the reaction tank (1) is a mixed liquid of an absorption liquid and a reaction liquid (7), an absorption liquid supply pipeline (3) is connected with an absorption liquid jet nozzle (2), the absorption liquid jet nozzle (2) is arranged at the middle upper part of the reaction tank (1), a flue gas aeration pipe (4) is arranged at the bottom of the reaction tank (1), a plurality of aeration holes (5) are formed in the flue gas aeration pipe (4), and a flue gas supply pipeline (6) is communicated with a medium inlet of the flue gas aeration pipe (4); a tail gas discharge pipeline (9) is arranged at the top end of the reaction tank (1), and a reaction liquid discharge pipeline (8) is arranged at the bottom end of the reaction tank (1); and turbulent flow is caused in the mixed liquid or in the gas space of the reaction tank by utilizing the high-pressure absorption liquid flow supplied by the absorption liquid supply pipeline (3), so that the absorption liquid is fully mixed with the flue gas.
2. The reaction device for absorbing carbon dioxide by using absorption liquid jet mixed flue gas as claimed in claim 1, wherein the absorption liquid jet nozzle (2) is immersed in the mixed liquid at the bottom of the reaction tank or the absorption liquid jet nozzle (2) is arranged above the liquid level of the mixed liquid and directly exposed to the gas space in the middle or upper part of the reaction tank.
3. The reaction device for absorbing carbon dioxide by using absorption liquid jet mixed flue gas as claimed in claim 1, wherein the absorption liquid jet nozzles (2) are arranged in two groups, one group is immersed in the mixed liquid at the bottom of the reaction tank, and the other group of the absorption liquid jet nozzles (2) is arranged above the liquid level of the mixed liquid and is directly exposed in the gas space in the middle or upper part of the reaction tank.
4. The reaction device for absorbing carbon dioxide by mixing absorption liquid jet with flue gas according to any one of claims 1 to 3, wherein the absorption liquid atomizing nozzle or the spray nozzle (10) is arranged at the middle part or the upper part of the reaction tank (1), and the absorption liquid atomizing nozzle or the spray nozzle (10) is communicated with the absorption liquid supply pipeline (3) to complete the sufficient reaction for absorbing carbon dioxide by utilizing the convection mixing reaction of atomized or sprayed absorption liquid droplets from top to bottom and flue gas from bottom to top.
5. The reaction device for absorbing carbon dioxide by using absorption liquid jet mixed flue gas as claimed in claim 1, wherein a plurality of absorption liquid jet nozzles (2) are provided.
6. The reaction device for absorbing carbon dioxide by using absorption liquid and jet mixed flue gas as claimed in claim 1, wherein the absorption liquid is sodium carbonate, sodium hydroxide, calcium carbonate, calcium hydroxide, potassium carbonate, potassium hydroxide, ethanolamine, diethanolamine, N-methyldiethanolamine, monoethanolamine, Li2ZrO3And aqueous solutions of substances such as ammonia.
7. The reaction device for absorbing carbon dioxide by using absorption liquid and jet mixed flue gas as claimed in claim 1, wherein the absorption liquid is a sodium hydroxide solution, a potassium hydroxide solution or a calcium hydroxide solution; the absorption liquid comes from an electrolytic tank for electrolyzing saline water in a thermal power plant; an electrolytic cell for electrolyzing saline water in the thermal power plant is communicated with the absorption liquid supply pipeline (3), and a flow regulating valve is arranged on a path from the electrolytic cell to the absorption liquid supply pipeline (3); the electric energy input end of an electrolytic cell for electrolyzing saline water in a thermal power plant is connected with the electric energy output end of the power plant; the hydrogen of the electrolytic bath for electrolyzing the brine in the thermal power plant is connected with a hydrogen system of the power plant, a hydrogen storage steel cylinder or an external conveying pipeline.
8. The reaction device for absorbing carbon dioxide by flue gas mixed with absorption liquid jet according to claim 1, wherein a carbon dioxide recovery pipeline is arranged at the top of the reaction tank (1), and the carbon dioxide recovery pipeline is connected with a control valve, a gas dryer and a boiler clean flue gas connecting pipeline; the reaction liquid discharge pipeline (8) is connected with a solution storage tank after reaction, a post-treatment device or a regeneration device.
9. The reaction device for absorbing carbon dioxide by using absorption liquid jet mixed flue gas as claimed in claim 1, wherein a pressure and temperature transmitter is arranged on the clean flue gas supply pipeline (6), a concentration monitoring sensor, a temperature monitoring sensor and a flowmeter are arranged on the absorption liquid supply pipeline (3), and a flowmeter and a concentration monitoring sensor are arranged on the reaction liquid discharge pipeline (8); and a carbon dioxide and nitrogen concentration monitoring sensor and an air exhaust valve are arranged on the tail gas exhaust pipeline (9).
10. The reaction device for absorbing carbon dioxide by using absorption liquid jet mixed flue gas as claimed in claim 1, wherein safety valves are arranged on the top of the reaction tank (1) and the absorption liquid supply pipeline (3), and the safety valve on the top of the reaction tank is an overpressure protection valve; the absorption liquid supply pipeline is provided with a safety valve which is an emergency shut-off valve.
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| CN202120340748.1U CN214715654U (en) | 2021-02-05 | 2021-02-05 | Reaction device for absorbing carbon dioxide by mixing absorption liquid jet with flue gas |
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| CN202120340748.1U CN214715654U (en) | 2021-02-05 | 2021-02-05 | Reaction device for absorbing carbon dioxide by mixing absorption liquid jet with flue gas |
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