Search

CN-116672865-B - CO2Trapping reactor and CO2Trapping device

CN116672865BCN 116672865 BCN116672865 BCN 116672865BCN-116672865-B

Abstract

The utility model relates to a CO 2 entrapment reactor and CO 2 entrapment device, CO 2 entrapment reactor includes reation kettle and air inlet mechanism, and reation kettle has reaction air inlet and reaction gas outlet and is located the reaction chamber between the two, and air inlet mechanism is including installing at the air inlet's air inlet main part, case and reset portion, has the venthole to have on the air inlet main part and be used for with the gas source intercommunication the gas inlet to and be located the valve port between venthole and the gas inlet, the case has first working position and second working position. The CO 2 trapping reactor can automatically switch on and switch off the air inlet mechanism according to the change of the air inlet pressure, when the air inlet pressure of CO2 gas is high, the valve core can be enabled to move to the first working position to switch on the valve port, when the reaction is finished, the air inlet pressure of the CO2 gas is reduced until the CO2 gas disappears, the valve core returns to the second working position under the action of the reset part, namely, the valve port is simultaneously switched off, and at the moment, liquid in the reaction cavity can be effectively prevented from flowing into the reaction air inlet through the valve port.

Inventors

  • LI YAN

Assignees

  • 国能锦界能源有限责任公司

Dates

Publication Date
20260512
Application Date
20230609

Claims (9)

  1. 1. A CO 2 capture reactor, comprising: the reaction kettle is provided with a reaction air inlet, a reaction air outlet, a reaction cavity between the reaction air inlet and the reaction air outlet, and a liquid outlet communicated with the reaction cavity; The air inlet mechanism comprises an air inlet main body arranged at the reaction air inlet, a valve core and a reset part, wherein the valve core and the reset part are movably arranged in the air inlet main body, an air outlet hole which is positioned at the bottom of the reaction cavity, an air inlet which is used for communicating with a CO 2 pressure air source, and a valve port which is positioned between the air outlet hole and the air inlet are formed on the air inlet main body, the valve core is configured to have a first working position and a second working position, in the first working position, the valve core is pushed by CO 2 gas entering from the air inlet to open the valve port, so that the CO 2 gas enters the reaction cavity through the valve port and the air outlet hole, in the second working position, the valve core is reset by the reset part along with the reduction of the pressure of the CO 2 gas, the valve core comprises a first cylinder, the valve core is formed into a third cylinder, the outer wall of the third cylinder is attached to the inner wall of the first cylinder, and the reset part is arranged between the top wall of the third cylinder and the first cylinder; Stirring device, stirring device includes the (mixing) shaft, the (mixing) shaft includes stirring section and the actuating section of following axial arrangement, just the last distribution of stirring section has a plurality of stirring vane, the actuating section rotatable coupling is in on the main part that admits air to the connection is provided with a plurality of actuating vane, a plurality of actuating vane orientation the gas inlet sets up in order to follow through the follow the gas flow that the gas inlet got into drives the (mixing) shaft rotates, the case movably cover is established outside the actuating section.
  2. 2. The CO 2 capture reactor according to claim 1, wherein the valve port includes a first valve bore, the intake body includes a first cylinder having the first valve bore on a sidewall thereof and a second cylinder connected to the outside of the sidewall of the first cylinder and communicating with the inside of the first cylinder through the first valve bore, the second cylinder extends from the first cylinder into the reaction chamber, the outlet port is formed on the sidewall of the second cylinder, and the valve spool movable between the first operating position and the second operating position is capable of opening and closing the first valve bore.
  3. 3. The CO 2 capture reactor according to claim 2, wherein the valve port further comprises a second valve bore, the third cylinder being open toward one end of the gas inlet, the second valve bore being formed in a sidewall of the third cylinder, the second valve bore being offset from the first valve bore pair Ji Daotong in the first operating position, and the second valve bore and the first valve bore being offset from one another in the second operating position.
  4. 4. The CO 2 capturing reactor according to claim 2, wherein the reset portion is an elastic piece located at one end of the valve core and the first cylinder away from the air inlet, the elastic piece is a compression spring, the second cylinders are arranged around the first cylinder at intervals along the circumferential direction, and a plurality of air outlet holes are axially distributed in each second cylinder.
  5. 5. A CO 2 capturing device, comprising an air inlet pipe, an air outlet pipe, a reactor and a filter, wherein the reactor is the CO 2 capturing reactor according to any one of claims 1 to 4, the air inlet pipe is communicated with the reaction air inlet, the filtering air inlet of the filter is communicated with the reaction air outlet, and the air outlet pipe is communicated with the filtering air outlet of the filter.
  6. 6. The CO 2 capturing device according to claim 5, wherein a dryer is further provided between the reaction kettle and the filter, the dryer includes a drying cylinder and a mounting frame, the mounting frame is fixedly connected to the outside of the drying cylinder, a radiator and a fan blowing heat of the radiator to the drying cylinder are provided, a plurality of drying holes facing the fan are provided on a side wall of the drying cylinder, and a drying air inlet communicating with the reaction air outlet and a drying air outlet communicating with the filtering air inlet are provided.
  7. 7. The CO 2 capturing device according to claim 6, further comprising a heat conducting mechanism for conducting reaction heat in a reaction kettle to the dryer, wherein the heat conducting mechanism comprises a first heat conducting pipe, a second heat conducting pipe, a liquid conducting pump and a heat conducting sleeve, the heat conducting sleeve surrounds the outer surface of the reaction kettle, the first heat conducting pipe is at least partially spirally arranged in the heat conducting sleeve in a penetrating manner, one end of the first heat conducting pipe is communicated with a medium inlet of the radiator, the other end of the first heat conducting pipe is communicated with the second heat conducting pipe, the second heat conducting pipe is communicated with a medium outlet of the radiator, and the liquid conducting pump is used for driving a medium to circularly flow in the first heat conducting pipe and the second heat conducting pipe.
  8. 8. The CO 2 capturing device according to claim 7, wherein the first heat conduction pipe includes a spiral pipe section and a first straight pipe section, the second heat conduction pipe includes a second straight pipe section, one end of the first straight pipe section is connected to the spiral pipe section, the other end is connected to a medium inlet of the radiator, one end of the second straight pipe section is communicated with a medium outlet of the radiator, and the liquid conduction pump is respectively arranged at two of the first straight pipe section and the second straight pipe section.
  9. 9. The CO 2 capturing device according to claim 5, further comprising a slow gas cylinder, wherein a slow gas inlet of the slow gas cylinder is in direct communication with the reaction gas outlet, and a slow gas outlet is in communication with the filtration gas inlet.

Description

CO 2 trapping reactor and CO 2 trapping device Technical Field The disclosure relates to the technical field of CO 2 trapping, in particular to a CO 2 trapping reactor and a CO 2 trapping device provided with the CO 2 trapping reactor. Background The CO 2 trapping device is widely applied to CO 2 trapping and recycling of flue gas in the chemical industry, but the flue gas is a mixture of gas and smoke dust, the components are complex, the gas comprises nitrogen, water vapor, sulfur dioxide, oxygen, carbon monoxide, carbon dioxide, hydrocarbon, oxynitride and the like, and the smoke dust comprises ash of fuel, coal particles, heavy metal combustion residues, pyrolysis products and the like. In the related art, in the process of collecting CO 2, CO 2 is first introduced into a reactor to react, impurities in CO 2 gas are removed by chemical means, and then the process such as collecting gas is performed. When the CO 2 gas to be purified is to be reacted, the communication between the air inlet pipe and the reactor needs to be timely disconnected by a worker, if the communication between the air inlet pipe and the reactor is not timely disconnected by the worker, the solution in the reactor can flow into the air inlet pipe, the air inlet pipe is damaged, and safety accidents can be possibly caused. Disclosure of Invention An object of the present disclosure is to provide a CO2 capturing reactor and a CO2 capturing apparatus capable of reducing inflow of a solution in the reactor into an intake pipe due to carelessness of a worker. To achieve the above object, the present disclosure provides a CO2 capturing reactor including: the reaction kettle is provided with a reaction air inlet, a reaction air outlet, a reaction cavity between the reaction air inlet and the reaction air outlet, and a liquid outlet communicated with the reaction cavity; The air inlet mechanism comprises an air inlet main body arranged at the reaction air inlet, a valve core and a reset part, wherein the valve core and the reset part are movably arranged in the air inlet main body, an air outlet hole which is arranged at the bottom of the reaction cavity, an air inlet which is used for being communicated with a CO2 pressure air source, and a valve port which is arranged between the air outlet hole and the air inlet are formed in the air inlet main body, the valve core is configured to have a first working position and a second working position, the valve core is pushed by air entering from the air inlet to open the valve port in the first working position, and the valve core is reset by the reset part to close the valve port along with the weakening of the air pressure in the second working position. Optionally, the valve port includes a first valve hole, the air inlet main body includes a first cylinder body with the first valve hole on a side wall and a second cylinder body connected to the outside of the side wall of the first cylinder body and communicated with the inside of the first cylinder body through the first valve hole, the second cylinder body extends from the first cylinder body to the reaction chamber, the air outlet hole is formed on the side wall of the second cylinder body, and the valve core moving between the first working position and the second working position can switch on and off the first valve hole. Optionally, the valve port further includes a second valve hole, the valve core is formed as a third cylinder and is opened towards one end of the air inlet, the second valve hole is formed on a side wall of the third cylinder, in the first working position, the second valve hole is staggered from the first valve hole pair Ji Daotong, and in the second working position, the second valve hole and the first valve hole are blocked. Optionally, the reset portion is located the case with first barrel is kept away from the elastic component of gas inlet one end, the elastic component is compression spring, the second barrel is a plurality of along circumference interval around first barrel setting, and every second barrel is last along the axial to be distributed with a plurality of the venthole. Optionally, still include agitating unit, agitating unit includes the (mixing) shaft, the (mixing) shaft includes stirring section and the actuating section of following axial arrangement, the last distribution of stirring section has a plurality of stirring vane, the actuating section rotatable coupling is in install on the intake body to the connection is provided with a plurality of actuating vane, a plurality of actuating vane orientation the gas inlet sets up in order to pass through from the gas flow that the gas inlet got into drives the (mixing) shaft rotates, the case movably cover is established outside the actuating section. According to a second aspect of the present disclosure, there is further provided a CO2 capturing device, including an air inlet pipe, an air outlet pipe, and a reactor and a filter located between th