CN116571053A - A carbon capture device and method supporting low-carbon operation of power grid - Google Patents

Abstract

The invention relates to the technical field of carbon dioxide recycling and discloses a carbon trapping device and method for supporting low-carbon operation of a power grid. The device comprises a reaction mechanism, a steam generation mechanism, an ionization mechanism, a flue gas treatment mechanism, a trapping and metering mechanism and a driving mechanism, wherein the steam generation mechanism is driven by the driving mechanism to clean dust attached to the outer sides of the steam generation mechanism and the flue gas treatment mechanism in real time, meanwhile, the driving mechanism can realize the operation of stirring and adding water in the steam generation mechanism when the steam generation mechanism is driven, and the flue gas treatment mechanism can be driven by the driving mechanism after the steam generation mechanism is driven, so that the flue gas treatment mechanism can regularly discharge waste gas and carbon dioxide. According to the invention, dust cleaning is realized through the driving mechanism, so that the water vapor generation efficiency and the adsorbent recovery efficiency can be effectively improved, and the automation degree is high.

Description

A carbon capture device and method supporting low-carbon operation of power grid

technical field

The invention relates to the technical field of recovery and utilization of carbon dioxide, in particular to a carbon capture device and method for supporting low-carbon operation of a power grid.

Background technique

The carbon capture device is installed on the power supply side of the power system, which can capture carbon dioxide emitted by different power sources of the power system, and provide key technical support for reducing carbon emissions, which is crucial to the low-carbon operation of the power system.

The invention patent with authorized notification number CN 108636059 B discloses an integrated device and method for carbon dioxide capture and regeneration. The inventive device consists of a water vaporization device, a flue gas and water vapor mixing device, a gas ionizer, a carbon dioxide collection and It consists of an adsorbent regeneration device and a gas-solid separation device. The device of the invention realizes the capture and recovery of carbon dioxide in the flue gas through flue gas heating, carbon dioxide adsorption and adsorbent cycle regeneration, so as to reduce the emission of carbon dioxide; recovers low-grade heat energy from the flue gas to heat water and adsorbent , form water vapor to promote carbon dioxide absorption, realize the recycling of carbon dioxide adsorbent, and then improve the energy efficiency of the entire adsorption process; a gas ionizer is added to the flue gas and water vapor mixing device to ionize the gas and promote the adsorption of gas .

However, after the practical application of the above-mentioned inventive device by those skilled in the art, it is found that there are still some shortcomings. The more obvious one is that while the flue gas is rich in carbon dioxide, it also contains a small amount of dust inside. The inner walls of the two flue gas heating interlayers will be attached with a heat-resistant layer formed by flue gas dust. The existence of this heat-resistant layer will not only reduce the generation efficiency of water vapor, reduce the amount of water vapor generated, but also prevent adsorption The recovery efficiency of the agent will be affected.

Contents of the invention

The invention provides a carbon capture device and method for supporting low-carbon operation of a power grid, and solves the technical problems that the existing carbon capture device is prone to lower water vapor generation efficiency and adsorbent recovery efficiency due to dust adhesion.

The first aspect of the present invention provides a carbon capture device supporting low-carbon operation of the power grid, including a reaction mechanism, a water vapor generation mechanism, an ionization mechanism, a flue gas treatment mechanism, a capture and measurement mechanism, and a drive mechanism;

The driving mechanism is arranged along the length direction of the reaction mechanism, and its bottom end passes through the inside of the reaction mechanism and extends to the inside of the collection and metering mechanism; the water vapor generation mechanism, the ionization mechanism and the flue gas treatment mechanism;

The reaction mechanism includes a reaction tank, an air inlet pipe and a circulation pipe; the ionization mechanism divides the inner cavity of the reaction tank into an upper chamber and a lower chamber; the air inlet pipe and the circulation pipe run through the upper chamber chamber and said lower chamber;

The driving mechanism includes a hollow driving shaft, a driving motor, an I-shaped rod, an exhaust gas output hole and a T-shaped collecting pipe; the driving shaft runs through and is rotatably connected to the reaction tank, and the driving motor and the driving shaft transmission connection, the I-shaped rod is slidably nested inside the drive shaft along the length direction of the drive shaft, and the exhaust gas output hole is opened on the drive shaft and is located between the I-shaped rod and the Between the T-shaped collection pipes, the T-shaped collection pipe is slidably nested inside the drive shaft along the length direction of the drive shaft and protrudes from the bottom end of the drive shaft;

The water vapor generation mechanism includes a water storage tank, a first scraper, a lifting sleeve and a first sealing sleeve; the water storage tank is sleeved on the outside of the drive shaft and fixed on the top of the inner cavity of the reaction tank , the water storage tank is provided with an opening to communicate with the upper chamber, the first scraper is attached to the outer wall of the water storage tank and is fixedly connected with the drive shaft, and the lifting sleeve is sleeved on the The outer side of the drive shaft is connected with the drive shaft through a reciprocating thread transmission, the first sealing sleeve is slidably sleeved on the outer side of the drive shaft, and the first sealing sleeve is fixed to the I-shaped rod connect;

The flue gas treatment mechanism includes a processing barrel, an annular screen plate, a heat conduction block, a second sealing sleeve and a solid amine adsorbent; the processing barrel is fixedly arranged at the bottom of the ionization mechanism, and the sliding sleeve of the annular screen plate It is directly arranged on the drive shaft at a position lower than the exhaust gas output hole and is attached to the inside of the processing barrel. The annular screen plate is slightly lower than the exhaust gas output hole, and the heat conduction block is fixedly arranged on the The bottom of the annular net plate, the solid amine adsorbent is placed on the top of the annular net plate, the second sealing sleeve is slidingly sleeved on the outside of the drive shaft and fixedly connected with the I-shaped rod The second sealing sleeve is also rotatably nested on the top of the annular screen plate, and the farthest distance between the bottom surface of the second sealing sleeve and the exhaust gas output hole is the first distance threshold.

According to an achievable manner of the first aspect of the present invention, the reaction mechanism further includes:

The first insulation layer, which is fixed on the top of the inner cavity of the reaction tank and is attached to the side wall of the water storage tank;

And/or, the second thermal insulation layer is fixed at the bottom of the inner chamber of the reaction tank and adhered to the side wall of the processing barrel.

According to an achievable manner of the first aspect of the present invention, the water vapor generating mechanism further includes a rotating disk and a dispersing pipe;

The rotating disk is slidably nested on the outside of the driving shaft along the length direction of the driving shaft and is rotatably socketed on the bottom of the lifting sleeve. The rotating disk is fixed to the first sealing sleeve connect;

One end of the dispersing pipe is fixedly arranged outside the bottom of the rotating disk, and the other end of the dispersing pipe extends toward the bottom of the water storage tank.

According to an achievable manner of the first aspect of the present invention, there are multiple dispersion pipes;

A plurality of said dispersing pipes are evenly and fixedly arranged outside the bottom of said rotating disk.

According to an achievable manner of the first aspect of the present invention, the inside of the rotating disk is hollow and communicates with the inner cavity of the lifting sleeve, and the inside of the dispersion pipe is hollow and its cavity is connected to the inner cavity of the rotating disk. Cavity connected;

The driving mechanism also includes an active water supply pipe and a water supply hole; the active water supply pipe is connected to the top of the drive shaft, and the water supply hole is opened at a position higher than the rotating disk on the drive shaft. The farthest distance between the hole and the top surface of the inner cavity of the rotating disk is the second distance threshold.

According to an achievable manner of the first aspect of the present invention, the flue gas treatment mechanism further includes a second scraper;

The second scraper is slidingly sleeved on the outside of the processing barrel and fixedly connected with the drive shaft.

According to an implementable manner of the first aspect of the present invention, there are multiple first scrapers and/or second scrapers.

According to an achievable manner of the first aspect of the present invention, the collection and metering mechanism includes a sealing cover, a connecting pipe, a carbon dioxide separator, a waste gas separator, a carbon dioxide output pipe, and a gas flow meter;

The sealing cover is fixedly arranged on the bottom of the reaction tank and is rotatably arranged on the outside of the drive shaft. There are two connecting pipes, and the two connecting pipes are respectively fixed and penetrated through the sealing cover. The carbon dioxide separator is fixedly connected to the end of any connecting pipe, the waste gas separator is fixedly connected to the end of the other connecting pipe, and the carbon dioxide output pipe is fixedly connected to the end of the carbon dioxide separator. At the top, the gas flow meter is arranged on the carbon dioxide output pipe.

According to an achievable manner of the first aspect of the present invention, the ionization mechanism includes a partition plate, a rotating plate, a vertical plate and electrodes;

The partition plate is fixedly arranged in the middle part of the inner cavity of the reaction tank, the rotating plate is fixedly sleeved in the outer middle part of the drive shaft, and the vertical plate and the electrodes are provided with two, two The vertical plates are respectively fixed on both sides of the bottom of the rotating plate, and the two electrodes are respectively fixed on the inner sides of the two vertical plates.

The second aspect of the present invention provides a carbon capture method supporting low-carbon operation of the power grid. The method is based on the carbon capture device supporting the low-carbon operation of the power grid described in any one of the above methods that can be realized. The method includes:

S1, the flue gas is respectively input into the upper chamber and the lower chamber of the reaction tank through the inlet pipe, so that the flue gas input into the upper chamber heats the water storage tank, and is input into the lower chamber The internal flue gas heats the processing barrel;

S2, start the drive motor, so that the drive motor drives the drive shaft to continuously rotate;

Wherein, after the water storage tank is heated, the water inside evaporates to generate water vapor, and the water vapor is output through the bottom opening of the water storage tank and then mixed with the flue gas, and the mixed flue gas enters the treatment process through the ionization mechanism. The inner side of the barrel, during this process, the flue gas is ionized by the ionization mechanism, and the ionized flue gas is in contact with the solid amine adsorbent, which absorbs the carbon dioxide in the flue gas;

When the drive shaft rotates, it drives the lifting sleeve to rise and at the same time drives the rotating disk to rotate. When the rotating disk rotates, it drives a plurality of dispersion pipes to stir the water inside the water storage tank, thereby increasing the water vapor output. The drive shaft drives the continuously rotating first scraper and the second scraper to continuously remove the dust attached to the outer wall of the water storage tank and the outer wall of the treatment barrel; when the lifting sleeve rises, it drives the rotating The disk rises synchronously. When the rotating disk rises, it drives the I-shaped rod to rise through the first sealing sleeve. When the I-shaped rod rises, it drives the annular screen plate to rise through the second sealing sleeve. The solid amine adsorbent rises;

When the rising distance of the lifting sleeve reaches the first distance threshold, the second sealing sleeve unblocks the exhaust gas output hole, and passes through and is trapped by the solid amine adsorbent at this time. The purified exhaust gas enters the interior of the drive shaft through the exhaust gas output hole, and then enters the sealed cover through the drive shaft, and then enters the interior of the exhaust gas separator through the connecting pipe to be treated, and the separated exhaust gas is directly discharged into the atmosphere, and the separated adsorbent is recovered;

When the lifting distance of the lifting sleeve reaches the second distance threshold, the water supply hole communicates with the inner cavity of the lifting sleeve. At this time, the water input into the drive shaft by the active water supply pipe enters the rotating shaft through the water supply hole. The interior of the pan, and then enter the interior of the water storage tank through a plurality of dispersion pipes, thereby realizing automatic water supply;

When the lifting distance of the lifting sleeve reaches the third distance threshold, the lifting sleeve moves to the top of the outer reciprocating thread of the drive shaft, and then as the drive shaft continues to rotate, the lifting sleeve moves along the The drive shaft begins to descend;

When the descending distance of the lifting sleeve reaches the fourth distance threshold, the rotating disk, the first sealing sleeve, the I-shaped rod, the second sealing sleeve, the annular screen plate and the All the solid amine adsorbents are reset. At this time, the lifting sleeve is located at the bottom end of the outer reciprocating thread of the drive shaft. The heat on the heat conduction block is transferred to the solid amine adsorbent through the annular screen plate, and then the adjacent solid amine adsorbent is regenerated, and the carbon dioxide generated during the regeneration process enters the solid amine adsorbent through the T-shaped collecting pipe The inside of the sealed cover then enters the carbon dioxide separator through the connecting pipe, the carbon dioxide separator processes the carbon dioxide, the separated carbon dioxide is output through the carbon dioxide output pipe for storage, the separated adsorbent is recovered, and the separated When the carbon dioxide is output through the carbon dioxide output pipe, the gas flow meter measures the passing amount of carbon dioxide;

Then the drive shaft continues to drive the lifting sleeve up, and then the lifting sleeve repeats the lifting operation, so as to continuously perform the operations of adding water, exhaust gas and carbon dioxide.

As can be seen from the above technical solutions, the present invention has the following advantages:

The device of the present invention includes a reaction mechanism, a water vapor generation mechanism, an ionization mechanism, a flue gas treatment mechanism, a collection and measurement mechanism, and a driving mechanism. The water vapor generation mechanism is driven by the driving mechanism to clean the water vapor generation mechanism and the smoke Dust attached to the outside of the gas treatment mechanism, and the driving mechanism can realize the stirring and adding water operation of the water inside the water vapor generating mechanism when the driving mechanism drives the water vapor generating mechanism. After the water vapor generating mechanism is driven, the driving mechanism can The flue gas treatment mechanism is driven, so that the flue gas treatment mechanism regularly discharges waste gas and carbon dioxide; compared with the same type of device and method in the prior art, the present invention can avoid the reduction of water vapor generation efficiency and the The recovery efficiency of the adsorbent is affected, and at the same time, the degree of automation is higher, and it is more suitable for the industrial treatment of flue gas.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a schematic diagram of the overall front section structure of a carbon capture device supporting the low-carbon operation of the power grid provided by an optional embodiment of the present invention;

Fig. 2 is a front view sectional structure diagram of a reaction mechanism and an ionization mechanism provided by an optional embodiment of the present invention;

Fig. 3 is a front view sectional structural schematic diagram of a driving mechanism and a water vapor generating mechanism provided by an optional embodiment of the present invention;

Fig. 4 is a front view sectional structural schematic diagram of a flue gas treatment mechanism provided by an optional embodiment of the present invention;

Fig. 5 is a front view sectional structural schematic diagram of a capture metering mechanism provided by an optional embodiment of the present invention;

Fig. 6 is a flow chart of a carbon capture method supporting low-carbon operation of a power grid provided by an alternative embodiment of the present invention.

Reference signs:

1-reaction mechanism; 11-reaction tank; 12-intake pipe; 13-circulation pipe; 14-first insulation layer; 15-second insulation layer; 2-drive mechanism; 21-drive shaft; 22-drive motor; 23 -Active water supply pipe; 24-water supply hole; 25-I-shaped rod; 26-exhaust gas output hole; 27-T-shaped collection pipe; 3-water vapor generating mechanism; Lifting sleeve; 34-rotating disc; 35-dispersing pipe; 36-first sealing sleeve; 4-ionization mechanism; 41-partition plate; 42-rotating plate; 43-vertical plate; 44-electrode; 51-processing barrel; 52-second scraper; 53-annular stencil; 54-heat conduction block; 55-second sealing sleeve; 56-solid amine adsorbent; 6-capture metering mechanism; 61-sealed cover; 62-connecting pipe; 63-carbon dioxide separator; 64-exhaust gas separator; 65-carbon dioxide output pipe; 66-gas flow meter.

Detailed ways

The embodiment of the present invention provides a carbon capture device and method for supporting the low-carbon operation of the power grid, which is used to solve the technology that the existing carbon capture device is prone to lower water vapor generation efficiency and adsorbent recovery efficiency due to dust adhesion question.

In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the following The described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

The invention provides a carbon capture device supporting low-carbon operation of a power grid.

Please refer to Figures 1 to 5, a carbon capture device supporting low-carbon operation of the power grid provided by an embodiment of the present invention, including a reaction mechanism 1, a drive mechanism 2, a water vapor generation mechanism 3, an ionization mechanism 4, and a flue gas treatment Mechanism 5 and Capture Metering Mechanism 6;

The driving mechanism 2 is arranged along the length direction of the reaction mechanism 1, and its bottom end passes through the inside of the reaction mechanism 1 and extends to the inside of the collection and metering mechanism 6; The water vapor generation mechanism 3, the ionization mechanism 4 and the flue gas treatment mechanism 5 are arranged sequentially from the bottom;

The reaction mechanism 1 includes a reaction tank 11, an inlet pipe 12 and a circulation pipe 13; the ionization mechanism 4 divides the inner chamber of the reaction tank 11 into an upper chamber and a lower chamber; the inlet pipe 12 and the Circulation pipe 13 runs through the upper chamber and the lower chamber;

The drive mechanism 2 includes a hollow drive shaft 21, a drive motor 22, an I-shaped rod 25, an exhaust gas output hole 26 and a T-shaped collection pipe 27; the drive shaft 21 runs through and is rotatably connected to the reaction tank 11, so The drive motor 22 is connected to the drive shaft 21 in transmission, the I-shaped rod 25 is slidingly and nested inside the drive shaft 21 along the length direction of the drive shaft 21, and the exhaust gas output hole 26 is opened in the drive shaft 21. On the drive shaft 21 and between the I-shaped rod 25 and the T-shaped collection pipe 27, the T-shaped collection pipe 27 is slidably nested on the drive shaft 21 along the length direction of the drive shaft 21 inside and protrudes from the bottom end of the drive shaft 21;

The water vapor generating mechanism 3 includes a water storage tank 31, a first scraper 32, a lifting sleeve 33 and a first sealing sleeve 36; the water storage tank 31 is sleeved on the outside of the drive shaft 21 and fixedly arranged on the The top of the inner cavity of the reaction tank 11, the water storage tank 31 is provided with an opening to communicate with the upper chamber, the first scraper 32 is attached to the outer wall of the water storage tank 31 and fixed to the drive shaft 21 connection, the lifting sleeve 33 is sleeved on the outside of the drive shaft 21 and is connected with the drive shaft 21 through reciprocating screw transmission, and the first sealing sleeve 36 is slidingly sleeved on the drive shaft 21 outside, the first sealing sleeve 36 is fixedly connected with the I-shaped rod 25;

The flue gas treatment mechanism 5 includes a treatment barrel 51, an annular screen plate 53, a heat conduction block 54, a second sealing sleeve 55 and a solid amine adsorbent 56; the treatment barrel 51 is fixedly arranged at the bottom of the ionization mechanism 4 The annular mesh plate 53 is slidably fitted on the drive shaft 21 at a position lower than the waste gas output hole 26 and fits inside the processing barrel 51, and the annular mesh plate 53 is slightly lower than the exhaust gas output hole 26. The exhaust gas output hole 26, the heat conduction block 54 is fixed on the bottom of the annular screen 53, the solid amine adsorbent 56 is placed on the top of the annular screen 53, and the second sealing sleeve 55 slides Socketed on the outside of the drive shaft 21 and fixedly connected to the I-shaped rod 25, the second sealing sleeve 55 is also rotatably nested on the top of the annular mesh plate 53 and the second sealing sleeve The farthest distance between the bottom surface of 55 and the exhaust gas output hole 26 is the first distance threshold.

In the embodiment of the present invention, the flue gas is respectively input into the upper chamber and the lower chamber of the reaction tank 11 through the inlet pipe 12, and the flue gas input into the upper chamber heats the water storage tank 31, and is input into the The flue gas inside the lower chamber heats the processing barrel 51. After the water storage tank 31 is heated, the water inside evaporates to generate water vapor. The water vapor is output through the bottom opening of the water storage tank 31 and then mixed with the flue gas. , the mixed flue gas passes through the ionization mechanism 4 and enters the inner side of the processing barrel 51. During this process, the flue gas is ionized by the ionization mechanism 4, and the ionized flue gas is adsorbed by the solid amine The solid amine adsorbent 56 absorbs the carbon dioxide in the flue gas, and the drive motor 22 drives the drive shaft 21 to continue to rotate by starting the drive motor 22, and the drive shaft 21 drives the lifting sleeve 33 to rise when the drive shaft 21 rotates. The first scraper 32 driven by the drive shaft 21 to continuously rotate also continuously removes the dust attached to the outer wall of the water storage tank 31, thereby avoiding the formation of a heat-resistant layer and effectively improving the water vapor generation efficiency and adsorption Compared with the existing technology, it has a higher degree of automation and is more suitable for industrialized treatment of flue gas.

As an embodiment, the drive shaft 21 is rotationally connected with the reaction tank 11 through a bearing.

As an implementation manner, the second sealing sleeve 55 is rotatably nested on the top of the annular mesh plate 53 through a bearing.

In an achievable manner, the reaction mechanism 1 also includes:

The first insulation layer 14 is fixed on the top of the inner chamber of the reaction tank 11 and is attached to the side wall of the water storage tank 31;

And/or, the second thermal insulation layer 15 is fixed on the bottom of the inner cavity of the reaction tank 11 and adhered to the side wall of the processing barrel 51 .

As an embodiment, as shown in FIGS. 1-2 , the reaction mechanism 1 has a first heat preservation layer 14 and a second heat preservation layer 15 .

In the embodiment of the present invention, through the setting of the first thermal insulation layer 14, the maintenance of the temperature in the water storage tank 31 can be realized, the condensation of the generated water vapor can be avoided, and the stability of the generation of water vapor can be effectively ensured; The setting can realize the maintenance of the temperature in the processing barrel 51 and ensure the stability of carbon dioxide collection.

In an achievable manner, as shown in FIGS. 1 and 3 , the water vapor generating mechanism 3 further includes a rotating disk 34 and a dispersing pipe 35;

The rotating disk 34 is slidably nested on the outside of the driving shaft 21 along the length direction of the driving shaft 21 and is rotatably nested on the bottom of the lifting sleeve 33 . A sealing sleeve 36 is fixedly connected;

One end of the dispersing pipe 35 is fixed outside the bottom of the rotating disk 34 , and the other end of the dispersing pipe 35 extends toward the bottom of the water storage tank 31 .

As an implementation manner, the rotating disk 34 is rotatably mounted on the lifting sleeve 33 through a bearing.

The number of dispersion pipes 35 can be set according to the requirements of device design, water vapor output requirements, and the like. As an embodiment, the dispersion pipe 35 is provided with multiple;

A plurality of the dispersing pipes 35 are uniformly and fixedly arranged outside the bottom of the rotating disk 34 .

In the embodiment of the present invention, by arranging the rotating disk 34 and the dispersing pipe 35, when the drive shaft 21 rotates to drive the lifting sleeve 33 to rise, the rotating disk 34 is driven to rotate, and the rotating disk 34 drives the dispersing pipe 35 to the water storage tank 31 when rotating. The water inside is stirred, thereby increasing the water vapor output.

In a manner that can be realized, the inside of the rotating disk 34 is hollow and communicates with the inner cavity of the lifting sleeve 33 , and the inside of the dispersion pipe 35 is hollow and its cavity is connected to the inner cavity of the rotating disk 34 . Cavity connected;

The drive mechanism 2 also includes an active water supply pipe 23 and a water supply hole 24; the active water supply pipe 23 is connected to the top of the drive shaft 21, and the water supply hole 24 is opened on the drive shaft 21 higher than the rotation The position of the disk 34, the farthest distance between the water supply hole 24 and the inner chamber top surface of the rotating disk 34 is the second distance threshold.

As an implementation manner, as shown in FIGS. 1-3 , the active water supply pipe 23 is connected to the top end of the drive shaft 21 through a rotary joint.

In the embodiment of the present invention, when the rising distance of the lifting sleeve 33 reaches the second distance threshold, the water supply hole 24 communicates with the inner cavity of the lifting sleeve 33, and at this time, the water input from the active water supply pipe 23 to the inside of the drive shaft 21 passes through the water supply hole 24 enters the interior of the rotating disk 34, and then enters the interior of the water storage tank 31 through a plurality of dispersion pipes 35, thereby realizing automatic water supply, which can effectively improve the degree of automation of the device of the present invention.

In an achievable manner, the flue gas treatment mechanism 5 further includes a second scraper 52;

The second scraper 52 is slidably disposed on the outside of the processing barrel 51 and fixedly connected with the driving shaft 21 .

In the embodiment of the present invention, when the drive shaft 21 rotates to drive the lifting sleeve 33 to rise, the second scraper 52 driven by the drive shaft 21 to continuously rotate also continuously removes the dust attached to the outer wall of the processing barrel 51, which can prevent the dust from being processed. A heat-resistant layer is formed on the outer wall of the barrel 51, which effectively improves the recovery efficiency of the adsorbent.

It should be noted that the number of the first scraper 32 and the second scraper 52 can be set according to the actual situation. As an implementation, in order to improve the effect of dust removal, as shown in FIG. 1 , FIG. 3 and FIG. 4 , a plurality of the first scraper 32 and the second scraper 52 are provided.

In an achievable manner, as shown in Figure 1 and Figure 5, the capture metering mechanism 6 includes a sealing cover 61, a connecting pipe 62, a carbon dioxide separator 63, a waste gas separator 64, a carbon dioxide output pipe 65 and a gas flow meter 66;

The sealing cover 61 is fixedly arranged on the bottom of the reaction tank 11 and is rotatably arranged on the outside of the drive shaft 21. There are two connecting pipes 62, and the two connecting pipes 62 are respectively fixed and penetrated. On both sides of the sealing cover 61, the carbon dioxide separator 63 is fixedly connected to the end of any connecting pipe 62, and the waste gas separator 64 is fixedly connected to the end of the other connecting pipe 62, and the carbon dioxide output The pipe 65 is fixedly connected to the top of the carbon dioxide separator 63 , and the gas flow meter 66 is arranged on the carbon dioxide output pipe 65 .

As an implementation manner, the sealing cover 61 is rotatably disposed on the outside of the drive shaft 21 through a bearing.

In the embodiment of the present invention, the carbon dioxide produced by the flue gas treatment mechanism 5 enters the inside of the sealed cover 61 through the T-shaped collecting pipe 27, and then enters the carbon dioxide separator 63 through the connecting pipe 62, and the carbon dioxide separator 63 processes the carbon dioxide , the separated carbon dioxide is exported through the carbon dioxide output pipe 65 for storage, and the separated adsorbent is recovered. In addition, when the separated carbon dioxide is output through the carbon dioxide output pipe 65, the gas flow meter 66 measures the passing amount of carbon dioxide. The embodiment of the present invention can effectively realize the separation, treatment and metering of carbon dioxide, and has a simple structure and low cost.

In an achievable manner, as shown in Fig. 1 and Fig. 2, the ionization mechanism 4 includes a partition plate 41, a rotating plate 42, a vertical plate 43 and an electrode 44;

The partition plate 41 is fixedly arranged in the middle part of the inner cavity of the reaction tank 11, the rotating plate 42 is fixedly sleeved in the outer middle part of the drive shaft 21, and the vertical plate 43 and the electrode 44 are both arranged There are two, and the two vertical plates 43 are respectively fixedly arranged on both sides of the bottom of the rotating plate 42 , and the two electrodes 44 are respectively fixedly arranged on the inner sides of the two vertical plates 43 .

In the embodiment of the present invention, the simple ionization mechanism 4 realizes the effective ionization of the flue gas, which can effectively promote the adsorption of the gas.

In the above-mentioned embodiments of the present invention, the principle of the device to realize water addition, waste gas discharge and carbon dioxide discharge operation is as follows:

The flue gas is respectively input into the upper and lower chambers inside the reaction tank 11 through the intake pipe 12, the flue gas input into the upper chamber heats the water storage tank 31, and the flue gas input into the lower chamber heats the processing barrel 51 After the water storage tank 31 is heated, the water inside it evaporates to generate water vapor, and the water vapor is output through the bottom opening of the water storage tank 31 and then mixed with the flue gas, and the mixed flue gas passes through the partition plate 41 and enters the lower chamber During this process, the flue gas is ionized by the electrode 44, and the ionized flue gas contacts the solid amine adsorbent 56, which absorbs the carbon dioxide in the flue gas;

Start the drive motor 22, drive the drive shaft 21 to continue to rotate after the drive motor 22 starts, drive the lifting sleeve 33 to rise when the drive shaft 21 rotates, and drive the rotating disk 34 to rotate at the same time, when the rotating disk 34 rotates, drive a plurality of dispersion pipes 35 pairs of water storage tanks The water inside 31 is stirred, thereby increasing the water vapor output, and the first scraper 32 and the second scraper 52 driven by the drive shaft 21 to continuously rotate also continuously remove the dust attached to the outer wall of the water storage tank 31 and the outer wall of the processing barrel 51 to clear;

When the lifting sleeve 33 rises, it drives the rotating disk 34 to rise synchronously. When the rotating disk 34 rises, it drives the I-shaped rod 25 to rise through the first sealing sleeve 36. When the I-shaped rod 25 rises, it drives the annular mesh plate through the second sealing sleeve 55. 53 rises, and the solid amine adsorbent 56 is driven to rise when the annular screen plate 53 rises;

When the ascending distance of the lifting sleeve 33 reaches the first distance threshold, the annular screen 53 unblocks the exhaust gas output hole 26, and at this time, the exhaust gas passing through the solid amine adsorbent 56 and purified by the solid amine adsorbent 56 is output through the exhaust gas. The hole 26 enters the interior of the drive shaft 21, and then enters the sealing cover 61 through the drive shaft 21, and then enters the interior of the waste gas separator 64 through the connecting pipe 62 to be treated. The separated waste gas is directly discharged into the atmosphere, and the separated adsorbent is recycled;

When the lifting distance of the lifting sleeve 33 reaches the second distance threshold, the water supply hole 24 communicates with the inner cavity of the lifting sleeve 33, and at this time, the water input from the active water supply pipe 23 to the inside of the drive shaft 21 enters the inside of the rotating disk 34 through the water supply hole 24, Then enter the inside of the water storage tank 31 through a plurality of dispersion pipes 35, thereby realizing automatic water supply;

When the lifting distance of the lifting sleeve 33 reaches the third distance threshold, the lifting sleeve 33 moves to the top of the reciprocating thread on the outside of the drive shaft 21, and as the drive shaft 21 continues to rotate, the lifting sleeve 33 begins to descend along the drive shaft 21, and the lifting When the descending distance of the sleeve 33 reaches the fourth distance threshold, the rotating disk 34, the first sealing sleeve 36, the I-shaped rod 25, the second sealing sleeve 55, the annular screen plate 53 and the solid amine adsorbent 56 are all reset. The lifting sleeve 33 is located at the bottom end of the reciprocating thread on the outer side of the drive shaft 21, and the annular screen plate 53 is attached to the heat conduction block 54 heated by the processing barrel 51;

At this time, the heat on the heat conduction block 54 is transferred to the solid amine adsorbent 56 through the annular screen plate 53, and then the adjacent solid amine adsorbent 56 is regenerated, and the carbon dioxide generated during the regeneration process enters into The interior of the sealed cover 61 then enters the carbon dioxide separator 63 through the connecting pipe 62. The carbon dioxide separator 63 processes the carbon dioxide, and the separated carbon dioxide is exported through the carbon dioxide output pipe 65 for storage, and the separated adsorbent is recovered. When the separated carbon dioxide is exported through the carbon dioxide output pipe 65, the gas flow meter 66 measures the throughput of carbon dioxide;

Then the drive shaft 21 continues to drive the lifting sleeve 33 to rise, and then the lifting sleeve 33 is repeatedly lifted and lowered, and then the operations of adding water, exhaust gas and carbon dioxide are continuously performed.

It should be noted that the above-mentioned first distance threshold to the fourth distance threshold can be set according to actual conditions, so as to realize the design of devices of different sizes in the present invention.

The present invention also provides a carbon capture method for supporting the low-carbon operation of the power grid, the method being based on the carbon capture device for supporting the low-carbon operation of the power grid described in any one of the modes that can be realized above.

Please refer to FIG. 6 . FIG. 6 shows a flow chart of a carbon capture method for supporting low-carbon operation of a power grid provided by an embodiment of the present invention.

A carbon capture method supporting low-carbon operation of the power grid provided by an embodiment of the present invention includes:

S1, the flue gas is respectively input into the upper chamber and the lower chamber of the reaction tank 11 through the inlet pipe 12, so that the flue gas input into the upper chamber heats the water storage tank 31, and is input into the The flue gas inside the lower chamber heats the processing barrel 51;

S2, start the driving motor 22, so that the driving motor 22 drives the driving shaft 21 to continue to rotate;

Wherein, after the water storage tank 31 is heated, the water inside it evaporates to generate water vapor, and the water vapor is output through the bottom opening of the water storage tank 31 and then mixed with the flue gas, and the mixed flue gas passes through the ionization mechanism 4 and enters the The inner side of the treatment barrel 51, during this process, the flue gas is ionized by the ionization mechanism 4, and the ionized flue gas is in contact with the solid amine adsorbent 56, and the solid amine adsorbent 56 acts on the flue gas of carbon dioxide for absorption;

When the drive shaft 21 rotates, it drives the lifting sleeve 33 to rise and at the same time drives the rotating disk 34 to rotate. When the rotating disk 34 rotates, it drives a plurality of dispersion pipes 35 to stir the water inside the water storage tank 31, thereby increasing the water vapor output, the first scraper 32 and the second scraper 52 driven by the drive shaft 21 to continuously rotate also continuously remove the dust attached to the outer wall of the water storage tank 31 and the outer wall of the treatment barrel 51; When the lifting sleeve 33 rises, it drives the rotating disk 34 to rise synchronously. When the rotating disk 34 rises, it drives the I-shaped rod 25 to rise through the first sealing sleeve 36. When the said I-shaped rod 25 rises, it passes through the second The sealing sleeve 55 drives the annular mesh plate 53 to rise, and when the annular mesh plate 53 rises, it drives the solid amine adsorbent 56 to rise;

When the lifting distance of the lifting sleeve 33 reaches the first distance threshold, the second sealing sleeve 55 unblocks the exhaust gas output hole 26, and passes through the solid amine adsorbent 56 and is absorbed by the solid amine adsorbent 56. The exhaust gas purified by the amine adsorbent 56 enters the interior of the drive shaft 21 through the exhaust gas output hole 26 , then enters the sealing cover 61 through the drive shaft 21 , and then enters the exhaust gas separator 64 through the connecting pipe 62 The interior is treated, the separated waste gas is directly discharged into the atmosphere, and the separated adsorbent is recovered;

When the lifting distance of the lifting sleeve 33 reaches the second distance threshold, the water supply hole 24 communicates with the inner cavity of the lifting sleeve 33, and at this time, the water input from the active water supply pipe 23 to the inside of the drive shaft 21 passes through the water supply hole 24 enters the interior of the rotating disk 34, and then enters the interior of the water storage tank 31 through a plurality of dispersion pipes 35, thereby realizing automatic water supply;

When the lifting distance of the lifting sleeve 33 reaches the third distance threshold, the lifting sleeve 33 moves to the top of the outer reciprocating thread of the drive shaft 21 , and subsequently as the drive shaft 21 continues to rotate, the lifting sleeve 33 The sleeve 33 begins to descend along the drive shaft 21;

When the descending distance of the lifting sleeve 33 reaches the fourth distance threshold, the rotating disk 34, the first sealing sleeve 36, the I-shaped rod 25, the second sealing sleeve 55, the ring The net plate 53 and the solid amine adsorbent 56 are all reset. At this time, the lifting sleeve 33 is located at the bottom end of the outer reciprocating thread of the drive shaft 21. At the same time, the annular net plate 53 and the processing barrel 51 The heated heat conduction block 54 is bonded together. At this time, the heat on the heat conduction block 54 is transferred to the solid amine adsorbent 56 through the annular mesh plate 53, and then the adjacent solid amine adsorbent 56 is regenerated. The carbon dioxide produced in the regeneration process enters the inside of the sealed cover 61 through the T-shaped collecting pipe 27, and then enters the carbon dioxide separator 63 through the connecting pipe 62, and the carbon dioxide separator 63 processes the carbon dioxide, and the separated Carbon dioxide is output through the carbon dioxide output pipe 65 for storage, and the separated adsorbent is recovered. In addition, when the separated carbon dioxide is output through the carbon dioxide output pipe 65, the gas flow meter 66 measures the throughput of carbon dioxide;

Subsequently, the drive shaft 21 continues to drive the lifting sleeve 33 to rise, and then the lifting sleeve 33 is repeatedly lifted, so as to continuously perform the operations of adding water, exhaust gas and carbon dioxide.

As mentioned above, the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still understand the foregoing The technical solutions recorded in each embodiment are modified, or some of the technical features are replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims (10)

1. A carbon capture device supporting the low-carbon operation of the power grid, comprising a reaction mechanism, a water vapor generation mechanism, an ionization mechanism, a flue gas treatment mechanism and a capture and metering mechanism, characterized in that it also includes a drive mechanism; The driving mechanism is arranged along the length direction of the reaction mechanism, and its bottom end passes through the inside of the reaction mechanism and extends to the inside of the collection and metering mechanism; the water vapor generation mechanism, the ionization mechanism and the flue gas treatment mechanism; The reaction mechanism includes a reaction tank, an air inlet pipe and a circulation pipe; the ionization mechanism divides the inner cavity of the reaction tank into an upper chamber and a lower chamber; the air inlet pipe and the circulation pipe run through the upper chamber chamber and said lower chamber; The driving mechanism includes a hollow driving shaft, a driving motor, an I-shaped rod, an exhaust gas output hole and a T-shaped collecting pipe; the driving shaft runs through and is rotatably connected to the reaction tank, and the driving motor and the driving shaft transmission connection, the I-shaped rod is slidably nested inside the drive shaft along the length direction of the drive shaft, and the exhaust gas output hole is opened on the drive shaft and is located between the I-shaped rod and the Between the T-shaped collection pipes, the T-shaped collection pipe is slidably nested inside the drive shaft along the length direction of the drive shaft and protrudes from the bottom end of the drive shaft; The water vapor generation mechanism includes a water storage tank, a first scraper, a lifting sleeve and a first sealing sleeve; the water storage tank is sleeved on the outside of the drive shaft and fixed on the top of the inner cavity of the reaction tank , the water storage tank is provided with an opening to communicate with the upper chamber, the first scraper is attached to the outer wall of the water storage tank and is fixedly connected with the drive shaft, and the lifting sleeve is sleeved on the The outer side of the drive shaft is connected with the drive shaft through a reciprocating thread transmission, the first sealing sleeve is slidably sleeved on the outer side of the drive shaft, and the first sealing sleeve is fixed to the I-shaped rod connect; The flue gas treatment mechanism includes a processing barrel, an annular screen plate, a heat conduction block, a second sealing sleeve and a solid amine adsorbent; the processing barrel is fixedly arranged at the bottom of the ionization mechanism, and the sliding sleeve of the annular screen plate It is directly arranged on the drive shaft at a position lower than the exhaust gas output hole and is attached to the inside of the processing barrel. The annular screen plate is slightly lower than the exhaust gas output hole, and the heat conduction block is fixedly arranged on the The bottom of the annular net plate, the solid amine adsorbent is placed on the top of the annular net plate, the second sealing sleeve is slidingly sleeved on the outside of the drive shaft and fixedly connected with the I-shaped rod The second sealing sleeve is also rotatably nested on the top of the annular screen plate, and the farthest distance between the bottom surface of the second sealing sleeve and the exhaust gas output hole is the first distance threshold. 2. The carbon capture device supporting the low-carbon operation of the power grid according to claim 1, wherein the reaction mechanism further comprises: The first insulation layer, which is fixed on the top of the inner cavity of the reaction tank and is attached to the side wall of the water storage tank; And/or, the second thermal insulation layer is fixed at the bottom of the inner chamber of the reaction tank and adhered to the side wall of the processing barrel. 3. The carbon capture device supporting the low-carbon operation of the power grid according to claim 1, wherein the water vapor generating mechanism further includes a rotating disk and a dispersion tube; The rotating disk is slidably nested on the outside of the driving shaft along the length direction of the driving shaft and is rotatably socketed on the bottom of the lifting sleeve. The rotating disk is fixed to the first sealing sleeve connect; One end of the dispersing pipe is fixedly arranged outside the bottom of the rotating disk, and the other end of the dispersing pipe extends toward the bottom of the water storage tank. 4. The carbon capture device supporting the low-carbon operation of the power grid according to claim 3, characterized in that, the dispersion pipe is provided with a plurality; A plurality of said dispersing pipes are evenly and fixedly arranged outside the bottom of said rotating disk. 5. The carbon capture device supporting the low-carbon operation of the power grid according to claim 3, wherein the inside of the rotating disk is hollow and communicates with the inner cavity of the lifting sleeve, and the inside of the dispersion pipe is hollow and Its cavity communicates with the inner cavity of the rotating disk; The driving mechanism also includes an active water supply pipe and a water supply hole; the active water supply pipe is connected to the top of the drive shaft, and the water supply hole is opened at a position higher than the rotating disk on the drive shaft. The farthest distance between the hole and the top surface of the inner cavity of the rotating disk is the second distance threshold. 6. The carbon capture device supporting the low-carbon operation of the power grid according to claim 1, wherein the flue gas treatment mechanism further includes a second scraper; The second scraper is slidingly sleeved on the outside of the processing barrel and fixedly connected with the drive shaft. 7. The carbon capture device supporting low-carbon operation of the power grid according to claim 6, characterized in that there are multiple first scrapers and/or second scrapers. 8. The carbon capture device supporting the low-carbon operation of the power grid according to claim 1, wherein the capture and metering mechanism includes a sealed cover, a connecting pipe, a carbon dioxide separator, an exhaust gas separator, a carbon dioxide output pipe, and a gas flow meter; The sealing cover is fixedly arranged on the bottom of the reaction tank and is rotatably arranged on the outside of the drive shaft. There are two connecting pipes, and the two connecting pipes are respectively fixed and penetrated through the sealing cover. The carbon dioxide separator is fixedly connected to the end of any connecting pipe, the waste gas separator is fixedly connected to the end of the other connecting pipe, and the carbon dioxide output pipe is fixedly connected to the end of the carbon dioxide separator. At the top, the gas flow meter is arranged on the carbon dioxide output pipe. 9. The carbon capture device supporting the low-carbon operation of the power grid according to claim 1, wherein the ionization mechanism includes a partition plate, a rotating plate, a vertical plate and electrodes; The partition plate is fixedly arranged in the middle part of the inner cavity of the reaction tank, the rotating plate is fixedly sleeved in the outer middle part of the drive shaft, and the vertical plate and the electrodes are provided with two, two The vertical plates are respectively fixed on both sides of the bottom of the rotating plate, and the two electrodes are respectively fixed on the inner sides of the two vertical plates. 10. A carbon capture method supporting the low-carbon operation of the power grid, characterized in that the method is based on the carbon capture device supporting the low-carbon operation of the power grid according to any one of claims 1-9, and the method includes : S1, the flue gas is respectively input into the upper chamber and the lower chamber of the reaction tank through the inlet pipe, so that the flue gas input into the upper chamber heats the water storage tank, and is input into the lower chamber The internal flue gas heats the processing barrel; S2, start the drive motor, so that the drive motor drives the drive shaft to continuously rotate; Wherein, after the water storage tank is heated, the water inside evaporates to generate water vapor, and the water vapor is output through the bottom opening of the water storage tank and then mixed with the flue gas, and the mixed flue gas enters the treatment process through the ionization mechanism. The inner side of the barrel, during this process, the flue gas is ionized by the ionization mechanism, and the ionized flue gas is in contact with the solid amine adsorbent, which absorbs the carbon dioxide in the flue gas; When the drive shaft rotates, it drives the lifting sleeve to rise and at the same time drives the rotating disk to rotate. When the rotating disk rotates, it drives a plurality of dispersing pipes to stir the water inside the water storage tank, thereby increasing the output of water vapor. The drive shaft drives the continuously rotating first scraper and the second scraper to continuously remove the dust attached to the outer wall of the water storage tank and the outer wall of the treatment barrel; when the lifting sleeve rises, it drives the rotating The disk rises synchronously. When the rotating disk rises, it drives the I-shaped rod to rise through the first sealing sleeve. When the I-shaped rod rises, it drives the annular screen plate to rise through the second sealing sleeve. The solid amine adsorbent rises; When the rising distance of the lifting sleeve reaches the first distance threshold, the second sealing sleeve unblocks the exhaust gas output hole, and passes through and is trapped by the solid amine adsorbent at this time. The purified exhaust gas enters the interior of the drive shaft through the exhaust gas output hole, then enters the sealed cover through the drive shaft, and then enters the interior of the exhaust gas separator through the connecting pipe to be treated, and the separated exhaust gas is directly discharged into the atmosphere, and the separated adsorbent is recovered; When the lifting distance of the lifting sleeve reaches the second distance threshold, the water supply hole communicates with the inner cavity of the lifting sleeve. At this time, the water input into the drive shaft by the active water supply pipe enters the rotating shaft through the water supply hole. The interior of the pan, and then enter the interior of the water storage tank through a plurality of dispersion pipes, thereby realizing automatic water supply; When the lifting distance of the lifting sleeve reaches the third distance threshold, the lifting sleeve moves to the top of the outer reciprocating thread of the drive shaft, and then as the drive shaft continues to rotate, the lifting sleeve moves along the The drive shaft begins to descend; When the descending distance of the lifting sleeve reaches the fourth distance threshold, the rotating disk, the first sealing sleeve, the I-shaped rod, the second sealing sleeve, the annular screen plate and the All the solid amine adsorbents are reset. At this time, the lifting sleeve is located at the bottom end of the outer reciprocating thread of the drive shaft. The heat on the heat conduction block is transferred to the solid amine adsorbent through the annular screen plate, and then the adjacent solid amine adsorbent is regenerated, and the carbon dioxide generated during the regeneration process enters the solid amine adsorbent through the T-shaped collecting pipe The inside of the sealed cover then enters the carbon dioxide separator through the connecting pipe, the carbon dioxide separator processes the carbon dioxide, the separated carbon dioxide is output through the carbon dioxide output pipe for storage, the separated adsorbent is recovered, and the separated When the carbon dioxide is output through the carbon dioxide output pipe, the gas flow meter measures the passing amount of carbon dioxide; Then the drive shaft continues to drive the lifting sleeve up, and then the lifting sleeve repeats the lifting operation, so as to continuously perform the operations of adding water, exhaust gas and carbon dioxide.