CN117147359B - Full-time monitoring device for carbon emission of urban power grid - Google Patents
Full-time monitoring device for carbon emission of urban power grid Download PDFInfo
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- CN117147359B CN117147359B CN202311413293.1A CN202311413293A CN117147359B CN 117147359 B CN117147359 B CN 117147359B CN 202311413293 A CN202311413293 A CN 202311413293A CN 117147359 B CN117147359 B CN 117147359B
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Abstract
The invention discloses a full-time monitoring device for carbon emission of an urban power grid, and relates to the technical field of carbon emission monitoring. The invention comprises two groups of carbon discharge detection mechanisms and carbon absorption mechanisms; the carbon absorption mechanism comprises an absorption tower, a pressurizing tower and a leakage sealing ring, wherein the central lines of the absorption tower, the pressurizing tower and the leakage sealing ring are overlapped, and the top of the absorption tower is fixedly connected with the pressurizing tower through the leakage sealing ring; electromagnetic valves are fixedly arranged on the side wall of the absorption tower close to the top and the side wall of the absorption tower close to the bottom respectively, and a material injection pipe is fixedly and hermetically penetrated at the bottom of the absorption tower; each group of carbon displacement detection mechanisms comprises an ionization titration assembly and a reaction assembly, wherein the central lines of the ionization titration assembly and the reaction assembly are coincident; the ionization titration assembly is fixedly communicated with the output end of the electromagnetic valve; the carbon dioxide gas introduced can be absorbed to the greatest extent, and the solution can be ionized before titration to generate carbonate ions so as to accelerate the displacement reaction, so that the required precipitation reaction solution has small volume, and the carbon emission full-time monitoring efficiency of the urban power grid is integrally improved.
Description
Technical Field
The invention relates to the technical field of carbon emission monitoring, in particular to a full-time monitoring device for carbon emission of an urban power grid.
Background
In urban power grid construction, carbon emission monitoring devices are generally used for determining the carbon absorption amount in a solution storage through absorbing carbon dioxide in the solution storage filled with an alcohol amine mixed solution, and determining the reduction amount of the volume of the carbon dioxide absorbed by the alcohol amine mixed solution so as to ensure that the carbon emission amount of the power grid meets emission requirements, but when the carbon dioxide gas passes through the solution storage, part of the gas is slightly dissolved in the solution to cause detection errors, and meanwhile, the carbon dioxide gas is colorless and odorless and is difficult to collect and measure the gas passing through the solution storage.
In the prior art, the solid precipitation method is considered to precipitate the reacted solution in the solution storage, the carbon absorption amount is determined by measuring the weight of the precipitate, but the chemical reaction time of the precipitation is longer, the volume of the reaction solution in the solution storage is larger, and part of the reaction solution cannot undergo displacement reaction due to too low concentration of carbonate ions, so that the monitoring efficiency of the urban power grid carbon emission in the whole period is low.
Disclosure of Invention
The invention provides a full-time monitoring device for carbon emission of an urban power grid, which solves the technical problems that the carbon absorption amount is determined by measuring the weight of sediment when the carbon emission of the urban power grid is monitored in the prior art, but the full-time monitoring efficiency of the carbon emission of the urban power grid is low.
The invention provides a full-time monitoring device for carbon emission of an urban power grid, which comprises two groups of carbon discharge detection mechanisms and carbon absorption mechanisms;
the carbon absorption mechanism comprises an absorption tower, a pressurizing tower and a leakage sealing ring, wherein the central lines of the absorption tower, the pressurizing tower and the leakage sealing ring are coincident, and the top of the absorption tower is fixedly connected with the pressurizing tower through the leakage sealing ring;
electromagnetic valves are fixedly arranged on the side wall of the absorption tower close to the top and the side wall of the absorption tower close to the bottom respectively, and a material injection pipe is fixedly and hermetically penetrated at the bottom of the absorption tower;
each group of carbon displacement detection mechanisms comprises an ionization titration assembly and a reaction assembly, wherein the central lines of the ionization titration assembly and the reaction assembly are coincident;
the ionization titration assembly is fixedly communicated with the output end of the electromagnetic valve;
the reaction assembly is at the bottom of the ionization titration assembly.
Optionally, the ionization titration assembly comprises a titration flask, an electric clutch, a first motor, a drip valve, a diversion assembly, a liquid inlet pipe, a water pump and a liquid outlet pipe;
the ionization piece is fixedly arranged at the inner top of the titration flask;
the first motor is fixedly arranged at the top outside the titration bottle, and an output shaft of the first motor is in transmission connection with the ionization piece;
the input end of the drip valve is fixedly communicated with the bottom of the titration bottle, and the output end of the drip valve is fixedly communicated with the diversion assembly;
the bottom of the flow guiding assembly is positioned in the reaction component;
one end of the liquid inlet pipe is fixedly communicated with the side wall of the titration bottle, and the other end of the liquid inlet pipe is fixedly connected with the output end of the water pump;
the input end of the water pump is fixedly communicated with the output end of the electromagnetic valve through the liquid outlet pipe.
Optionally, the ionization assembly comprises a top frame seat, a plurality of groups of ionization plates and stirring blades;
the top frame seat is fixedly arranged at the inner top of the titration bottle;
the ionization plates are arranged in a linear array and fixedly arranged on the inner wall of the top frame seat;
the top end of the stirring blade is rotationally connected with the inner top of the top frame seat and is in transmission connection with an output shaft of the first motor.
Optionally, the diversion assembly comprises a hard rubber ring, a plurality of groups of diversion plates and a dropper;
the input ends of the plurality of groups of guide plates are fixedly connected with the output ends of the drip valves through the hard rubber rings;
the output ends of the plurality of groups of guide plates are conical and fixedly connected with the inner wall of the top end of the dropper;
the bottom end of the dropper is positioned in the reaction assembly.
Optionally, the reaction assembly comprises a reaction cylinder, a liquid adding pipe, a movable cylinder, a liquid discharging pipe and an air cylinder;
the bottom end of the dropper is positioned in the reaction cylinder;
the liquid adding pipe is fixedly arranged on the side wall of the reaction cylinder close to the top;
the liquid discharge pipe is fixedly arranged on the side wall of the reaction cylinder close to the bottom;
the movable cylinder penetrates through the reaction cylinder in a sliding manner, and a plurality of groups of sieve holes which are distributed in a circumferential array are formed in the side wall of the movable cylinder;
and an output shaft of the air cylinder is fixedly connected with the bottom of the movable cylinder.
Optionally, the carbon displacement detection mechanism further comprises a bottom plate, a plurality of groups of support rods, a first clamping ring, a second clamping ring and a protective sleeve;
the top of the bottom plate is fixedly connected with the bottom of the air cylinder;
the first clamping ring is fixedly sleeved at the bottom of the reaction cylinder;
the second clamping ring is fixedly sleeved at the bottom of the titration bottle;
one ends of the plurality of groups of support rods are uniformly distributed and fixed on the top of the bottom plate, and the other ends of the plurality of groups of support rods penetrate through the first clamping ring and are fixedly connected with the second clamping ring;
the outer walls of the support rods are fixedly provided with the protective sleeves, and the liquid adding pipes and the liquid discharging pipes penetrate through the protective sleeves and are fixedly connected with the reaction cylinder.
Optionally, a gas leakage groove is formed in the inner wall of the gas leakage sealing ring;
the top outside the air leakage sealing ring is fixedly provided with a suction fan;
the output end of the suction fan is communicated with the air leakage groove.
Optionally, a pressurizing valve is fixedly arranged on the side wall of the pressurizing tower close to the bottom;
a PH value detector is fixedly arranged on the side wall of the absorption tower close to the bottom;
an electric heating ring is sleeved outside the middle of the absorption tower.
Optionally, the carbon absorbing mechanism further comprises a displacement assembly, wherein the displacement assembly comprises a side seat, a second motor, a screw rod, a limit sliding rod, a sliding seat, a supporting rod, an L-shaped rod, a cross pushing seat, a pushing plate and a piston;
the side wall of the side seat is fixedly connected with the side wall of the pressurizing tower;
the two ends of the screw are respectively and rotatably connected with the top and the bottom of the side seat;
the second motor is fixedly arranged on the side wall of the absorption tower, and an output shaft of the second motor is in transmission connection with the bottom of the screw rod;
two ends of the limiting slide bar are fixedly connected with the top and the bottom of the side seat respectively;
the sliding seat is meshed with the screw rod and is in sliding connection with the limit sliding rod;
one end of the supporting rod is fixedly connected with the sliding seat, and the other end of the supporting rod penetrates through the top of the pressurizing tower through the L-shaped rod and is fixedly connected with the top of the cross pushing seat;
the bottom of the cross pushing seat is fixedly connected with the piston through the pushing plate;
the push plate is in sliding connection with the inner wall of the pressurizing tower, and the piston is in sealing sliding connection with the inner wall of the pressurizing tower.
Optionally, a substrate is fixedly arranged at the bottom of the absorption tower;
the base plate is fixedly provided with a support column, and the side wall of the support column is fixedly connected with two groups of water pumps.
From the above technical scheme, the invention has the following advantages:
the device comprises two groups of carbon discharge detection mechanisms and a carbon absorption mechanism; the carbon absorption mechanism comprises an absorption tower, a pressurizing tower and a leakage sealing ring, wherein the central lines of the absorption tower, the pressurizing tower and the leakage sealing ring are overlapped, and the top of the absorption tower is fixedly connected with the pressurizing tower through the leakage sealing ring; electromagnetic valves are fixedly arranged on the side wall of the absorption tower close to the top and the side wall of the absorption tower close to the bottom respectively, and a material injection pipe is fixedly and hermetically penetrated at the bottom of the absorption tower; each group of carbon displacement detection mechanisms comprises an ionization titration assembly and a reaction assembly, wherein the central lines of the ionization titration assembly and the reaction assembly are coincident; the ionization titration assembly is fixedly communicated with the output end of the electromagnetic valve; the reaction assembly is at the bottom of the ionization titration assembly. In the whole urban power grid carbon emission full-time monitoring process, carbon dioxide is injected into the absorption tower through the injection pipe to be absorbed, the pressure inside the absorption tower is changed based on the pressurization tower, unabsorbed carbon dioxide gas is discharged based on the pressurization tower and the air release sealing ring, the mixed solution after reaction in the absorption tower is introduced into the ionization titration assembly through the two groups of electromagnetic valves, the introduced mixed solution is ionized based on each group of ionization titration assembly, the introduced mixed solution is titrated into the reaction assembly to carry out precipitation displacement reaction with calcium chloride solution, the introduced carbon dioxide gas can be absorbed to the greatest extent, carbonate ions can be generated by the solution before titration to accelerate the displacement reaction, the required volume of the precipitation reaction solution is small, and the urban power grid carbon emission full-time monitoring efficiency is integrally improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic diagram of an overall monitoring device for carbon emission of an urban power grid in full time period according to an embodiment of the present invention;
fig. 2 is a second overall schematic diagram of an urban power grid carbon emission full-time monitoring device according to an embodiment of the present invention;
FIG. 3 is a schematic view of a structure of a venting seal ring provided by an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a carbon displacement detection mechanism according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of an ionization titration assembly according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a flow guiding assembly according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a reaction module according to an embodiment of the present invention;
in fig. 1-7:
100. a carbon displacement detection mechanism; 110. an ionization titration assembly; 111. titration flask; 112. a top frame base; 113. an ionization plate; 114. stirring blades; 115. a first motor; 116. a drip valve; 117. a hard rubber ring; 118. a deflector; 119. a dropper; 120. a liquid inlet pipe; 121. a water pump; 122. a liquid outlet pipe; 130. a reaction assembly; 131. a reaction cylinder; 132. a liquid adding tube; 133. a movable cylinder; 134. a sieve pore; 135. a cylinder; 136. a liquid discharge pipe; 140. a bottom plate; 141. a support rod; 142. a first snap ring; 143. a second snap ring; 150. a protective sleeve; 200. a carbon absorbing mechanism; 201. an absorption tower; 202. a booster tower; 203. a venting seal ring; 204. a gas release groove; 205. a suction fan; 206. an electromagnetic valve; 207. a pressure increasing valve; 208. a pH detector; 209. an electric heating ring; 210. a displacement assembly; 211. a side seat; 212. a second motor; 213. a screw; 214. a limit slide bar; 215. a slide; 216. a support rod; 217. an L-shaped rod; 218. a cross pushing seat; 219. a push plate; 220. a piston; 230. a substrate; 231. a support column; 240. and (5) a material injection pipe.
Detailed Description
The embodiment of the invention provides a full-time monitoring device for carbon emission of an urban power grid, which is used for solving the technical problems that the full-time monitoring efficiency of the carbon emission of the urban power grid is low by measuring the weight of sediment to determine the carbon absorption amount when the carbon emission of the urban power grid is monitored in the prior art.
In order to make the objects, features and advantages of the present invention more comprehensible, the technical solutions in the embodiments of the present invention are described in detail below with reference to the accompanying drawings, and it is apparent that the embodiments described below are only some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
For easy understanding, referring to fig. 1 to 7, the present invention provides a full-period monitoring device for carbon emission of an urban power grid, which includes two groups of carbon emission detection mechanisms 100 and carbon absorption mechanisms 200;
the carbon absorption mechanism 200 comprises an absorption tower 201, a pressurizing tower 202 and a leakage sealing ring 203, wherein the central lines of the absorption tower 201, the pressurizing tower 202 and the leakage sealing ring 203 are coincident, and the top of the absorption tower 201 is fixedly connected with the pressurizing tower 202 through the leakage sealing ring 203;
electromagnetic valves 206 are fixedly arranged on the side wall of the absorption tower 201 close to the top and the side wall of the absorption tower 201 close to the bottom respectively, and a filling pipe 240 is fixedly and hermetically penetrated at the bottom of the absorption tower 201;
each set of carbon displacement detection mechanisms 100 includes an ionization titration assembly 110 and a reaction assembly 130 with coincident centerlines;
ionization titration assembly 110 is in fixed communication with the output of solenoid valve 206;
reaction assembly 130 is at the bottom of ionization titration assembly 110.
In the embodiment of the invention, carbon dioxide discharged from a carbon capture power plant is injected into ethanolamine solution in an absorption tower 201 through a material injection pipe 240, the pressure in the absorption tower 201 is changed based on a pressurizing tower 202 to strengthen the absorption of the ethanolamine solution to carbon dioxide, after the ethanolamine solution in the absorption tower 201 is saturated and absorbed, the unabsorbed carbon dioxide gas is discharged based on the pressurizing tower 202 and a gas leakage sealing ring 203, two groups of electromagnetic valves 206 are opened, the mixed solution after the reaction in the absorption tower 201 is respectively introduced into two groups of ionization titration assemblies 110 through the two groups of electromagnetic valves 206, the introduced mixed solution is respectively ionized based on each group of ionization titration assemblies 110 and titrated into a reaction assembly 130 to carry out precipitation displacement reaction with calcium chloride solution, and the absorption amounts of carbon dioxide in the upper part and the lower part in the absorption tower 201 are respectively detected to carry out sediment weight comparison, so that detection errors can be effectively reduced.
It can be understood that the ethanolamine can absorb carbon dioxide mainly because the molecules of the ethanolamine contain nitrogen atoms, and the dissociation of the amine in the aqueous solution makes the solution alkaline, so that the ethanolamine is easy to react with acid gases such as carbon dioxide, and the purpose of absorbing and removing carbon dioxide is achieved, and the reaction principle of absorbing carbon dioxide is as follows: CO 2 +H 2 O+2HOC 2 H 4 NH 2 →HOC 2 H 4 NH 3 + +2HOC 2 H 4 NHCOO - The method can be divided into two steps: CO 2 +HOC 2 H 4 NH 2 →HOC 2 H 4 NHCOO - +H + And H is + +HOC 2 H 4 NH 2 →HOC 2 H 4 NH, which occurs instantaneously, has a relatively fast reaction rate. The solution is alkaline and CO 2 Carbonate ions are generated after the reaction, and the generated carbonate ions are combined with sodium ions in the solution to generate sodium carbonate solution, wherein the reaction equation is 2NaOH+CO 2 =Na 2 CO 3 +H 2 O, the solution entering ionization titration assembly 110 is Na 2 CO 3 Solution, by ionization titration assembly 110, for Na 2 CO 3 Ionization of the solution to produce CO 3 2- Ions, CO 3 2- The ions titrate into the reaction component 130 to perform precipitation displacement reaction with the calcium chloride solution to generate calcium carbonate solid precipitate, and the sodium carbonate solution is dripped into the calcium chloride solution by adopting a titration method and ionized to generate carbonate ions before titration, so that the reaction can rapidly produce calcium carbonate solid.
Referring to fig. 1, a booster valve 207 is fixedly arranged on a side wall of the booster tower 202 near the bottom; a PH value detector 208 is fixedly arranged on the side wall of the absorption tower 201 close to the bottom; an electric heating ring 209 is sleeved outside the middle part of the absorption tower 201.
In the embodiment of the invention, the pressure in the absorption tower 201 can be increased by introducing nitrogen into the pressurization tower 202 through the pressurization valve 207, so that the ethanolamine solution can be used for further absorbing carbon dioxide. The temperature of the ethanolamine solution can be changed by energizing the electric heating ring 209, thereby changing the amount of carbon dioxide absorbed. Meanwhile, during the absorption reaction, the PH value of the solution in the absorption tower 201 can be measured by the PH value detector 208, and when the solution in the absorption tower 201 is changed from alkaline to neutral, the saturation absorption of the ethanolamine solution in the absorption tower 201 is determined. After the ethanolamine solution in the current period is completely reacted, the ethanolamine solution needs to be filled to continue the detection of carbon dioxide in the next period.
Referring to fig. 2, the carbon absorbing mechanism 200 further includes a displacement assembly 210, where the displacement assembly 210 includes a side seat 211, a second motor 212, a screw 213, a limit slide bar 214, a slide base 215, a strut 216, an L-shaped rod 217, a cross pushing seat 218, a push plate 219, and a piston 220; the side wall of the side seat 211 is fixedly connected with the side wall of the booster tower 202; two ends of the screw 213 are respectively and rotatably connected with the top and the bottom of the side seat 211; the second motor 212 is fixedly arranged on the side wall of the absorption tower 201, and an output shaft of the second motor 212 is in transmission connection with the bottom of the screw 213; two ends of the limit sliding rod 214 are fixedly connected with the top and the bottom of the side seat 211 respectively; the slide seat 215 is meshed with the screw 213 and is in sliding connection with the limit slide rod 214; one end of the supporting rod 216 is fixedly connected with the sliding seat 215, and the other end of the supporting rod 216 penetrates through the top of the pressurizing tower 202 through an L-shaped rod 217 and is fixedly connected with the top of the cross pushing seat 218; the bottom of the cross pushing seat 218 is fixedly connected with the piston 220 through a pushing plate 219; the push plate 219 is slidably connected to the inner wall of the booster tower 202, and the piston 220 is sealingly slidably connected to the inner wall of the booster tower 202.
In the embodiment of the invention, during the reaction process of the absorption tower 201, nitrogen is introduced into the absorption tower 201 through the pressure increasing valve 207 to change the pressure inside the absorption tower 201, meanwhile, the second motor 212 is driven to drive the output shaft of the second motor 212 to drive the screw 213 to rotate, the sliding seat 215 is meshed with the screw 213, under the action of the limit sliding rod 214, the sliding seat 215 drives the L-shaped rod 217 to move downwards through the supporting rod 216, the L-shaped rod 217 moves downwards to drive the cross pushing seat 218 to push the piston 220 connected with the push plate 219 to move downwards, so that the space inside the absorption tower 201 is reduced, the pressure inside the absorption tower 201 is increased, and the ethanolamine solution is reinforced to absorb carbon dioxide. Meanwhile, the pressure inside the absorption tower 201 is changed through the displacement assembly 210 and the pressure increasing valve 207, and the temperature inside the absorption tower 201 is changed through the electric heating ring 209, so that the absorption of the introduced carbon dioxide gas can be maximally realized.
Referring to fig. 3, a venting groove 204 is formed on the inner wall of the venting sealing ring 203; a suction fan 205 is fixedly arranged at the outer top of the air leakage sealing ring 203; the output end of the suction fan 205 communicates with the air escape groove 204.
In the embodiment of the present invention, after the ethanolamine solution in the absorption tower 201 absorbs carbon dioxide, the residual carbon dioxide is not absorbed, and the suction fan 205 is driven to continuously inject nitrogen through the pressure increasing valve 207, so that the unabsorbed carbon dioxide can be discharged from the air leakage groove 204, so as to prevent interference to subsequent detection.
Referring to fig. 4 to 6, ionization titration assembly 110 includes a titration flask 111, an ionization assembly, a first motor 115, a drip valve 116, a flow guide assembly, a liquid inlet tube 120, a water pump 121, and a liquid outlet tube 122; the electric clutch piece is fixedly arranged at the inner top of the titration bottle 111; the first motor 115 is fixedly arranged at the outer top of the titration bottle 111, and an output shaft of the first motor 115 is in transmission connection with the ionization piece; the input end of the drip valve 116 is fixedly communicated with the bottom of the titration bottle 111, and the output end of the drip valve 116 is fixedly communicated with the diversion assembly; the bottom of the flow directing assembly is within the reaction assembly 130; one end of the liquid inlet pipe 120 is fixedly communicated with the side wall of the titration bottle 111, and the other end of the liquid inlet pipe 120 is fixedly connected with the output end of the water pump 121; the input end of the water pump 121 is fixedly communicated with the output end of the electromagnetic valve 206 through the liquid outlet pipe 122.
The electric clutch comprises a top frame base 112, a plurality of groups of ionization plates 113 and stirring blades 114; the top frame base 112 is fixedly arranged at the inner top of the titration bottle 111; the plurality of groups of ionization plates 113 are fixedly arranged on the inner wall of the top frame base 112 in a linear array arrangement; the top end of the stirring vane 114 is rotatably connected with the inner top of the top frame base 112 and is in transmission connection with the output shaft of the first motor 115.
The diversion assembly comprises a hard rubber ring 117, a plurality of groups of diversion plates 118 and a dropper 119; the input ends of the multiple groups of guide plates 118 are fixedly connected with the output ends of the drip valves 116 through hard rubber rings 117; the output ends of the plurality of groups of guide plates 118 are in conical shape and fixedly connected with the inner wall of the top end of the dropper 119; the bottom end of the drip tube 119 is positioned within the reaction assembly 130.
In the embodiment of the invention, the titration flask 111 provides support for the top frame base 112, the top frame base 112 provides support for the ionization plates 113, the ionization plates 113 are provided with a plurality of groups and are arranged in a linear array, the water pump 121 is turned on, the mixed solution in the absorption tower 201 is led into the titration flask 111 through the liquid inlet pipe 120 by the liquid outlet pipe 122 connected with the electromagnetic valve, and the first motor 115 is driven simultaneously to driveSo that the output shaft of the first motor 115 drives the stirring blade 114 to rotate, and the Na in the titration bottle 111 2 CO 3 Shaking the solution, and simultaneously electrifying the ionization plate 113 to make Na 2 CO 3 Ionization of the solution to produce CO 3 2- Ions.
The hard rubber ring 117 is fixedly arranged at the output end of the drip valve 116, the hard rubber ring 117 can prevent the solution drip from the drip valve 116 from leaking, the guide plate 118 is fixedly arranged at the bottom of the hard rubber ring 117, and the guide plate 118 has a guide effect and can guide CO 3 2- The ions play a role in drainage. Then CO is generated 3 2- After the ions, the CO is contained by opening the drip valve 116 3 2- The solution of ions flows to a dropper 119 in a drop shape under the action of gravity, the dropper 119 is overlapped with the central line of the hard rubber ring 117 and is fixedly connected with the hard rubber ring through a guide plate 118, and under the guide action of a plurality of groups of guide plates 118, the solution contains CO 3 2- The drip solution of ions slowly flows into the drip tube 119, converges at the bottom of the drip tube 119, and drops out from the bottom end of the drip tube 119 when converging into larger water drops.
Preferably, the plurality of sets of baffles 118 may be provided as three sets of baffles 118.
Referring to fig. 7, the reaction assembly 130 includes a reaction cylinder 131, a liquid charging tube 132, a movable cylinder 133, a liquid discharging tube 136 and a cylinder 135; the bottom end of the dropper 119 is positioned in the reaction cylinder 131; the liquid adding pipe 132 is fixedly arranged on the side wall of the reaction cylinder 131 close to the top; the liquid discharge pipe 136 is fixedly arranged on the side wall of the reaction cylinder 131 close to the bottom; the movable barrel 133 penetrates through the reaction barrel 131 in a sliding manner, and a plurality of groups of sieve holes 134 which are distributed in a circumferential array are formed in the side wall of the movable barrel 133; an output shaft of the cylinder 135 is fixedly connected with the bottom of the movable cylinder 133.
In the embodiment of the invention, the reaction cylinder 131 coincides with the central line of the titration flask 111, the bottom end of the dropper 119 is positioned in the reaction cylinder 131, the movable cylinder 133 is internally filled with calcium chloride solution, the movable cylinder 133 can be filled with the calcium chloride solution through the liquid adding pipe 132, and CO-containing liquid drips out from the dropper 119 3 2- When the ion solution enters the movable barrel 133, the movable barrel 133 is positioned in the reaction barrel 131 and the bottom thereof is positioned in the liquid discharge pipe136 upper part, CO 3 2- The ions can carry out displacement reaction with the calcium chloride solution to generate calcium carbonate solid, and the reaction equation is CaCl 2 +Na 2 CO 3 =CaCO 3 ↓+2NaCl。
When titration is completed, the cylinder 135 is driven so that the output shaft of the cylinder 135 drives the movable barrel 133 to move downwards on the inner wall of the reaction barrel 131, so that the bottom of the movable barrel 133 is just flush with the bottom of the liquid discharge pipe 136, at this time, the residual calcium chloride solution and the generated sodium chloride solution in the movable barrel 133 can flow out to the liquid discharge pipe 136 through the sieve holes 134 to be discharged, the generated calcium carbonate solid is weighed through the weighing mechanism at the bottom of the movable barrel 133 after the discharge is completed, and the weighed weight is converted into CO through the principle of conservation of energy 2 To obtain the mass of the ethanolamine solution to CO 2 Is not limited, and the absorption amount of (a) is not limited.
It will be appreciated that a weighing mechanism may be non-fixedly connected to the bottom of the movable barrel 133, the weighing mechanism being capable of being used to weigh the amount of change in weight within the movable barrel 133.
Referring to fig. 4, the carbon displacement detection mechanism 100 further includes a base plate 140, a plurality of groups of support rods 141, a first clamping ring 142, a second clamping ring 143, and a protective sleeve 150; the top of the bottom plate 140 is fixedly connected with the bottom of the cylinder 135; the first clamping ring 142 is fixedly sleeved at the bottom of the reaction cylinder 131; the second clamping ring 143 is fixedly sleeved at the bottom of the titration bottle 111; one end of each of the plurality of groups of support rods 141 is uniformly distributed and fixed on the top of the bottom plate 140, and the other end of each of the plurality of groups of support rods 141 penetrates through the first clamping ring 142 and is fixedly connected with the second clamping ring 143; the outer walls of the plurality of groups of support rods 141 are fixedly provided with a protective sleeve 150, and the liquid adding pipe 132 and the liquid discharging pipe 136 penetrate through the protective sleeve 150 and are fixedly connected with the reaction cylinder 131.
In the embodiment of the invention, the bottom plate 140 provides support for the cylinder 135 and support for the supporting rods 141, the first clamping ring 142 and the second clamping ring 143 provide support for the reaction tube 131 and the titration bottle 111 respectively, the outer walls of the plurality of groups of supporting rods 141 are fixedly provided with the protective sleeve 150, the protective sleeve 150 can play a role in protecting the carbon discharge detection mechanism 100, and the influence of the external environment on the replacement reaction is prevented.
Referring to fig. 1, a base plate 230 is fixedly disposed at the bottom of an absorption tower 201; the base plate 230 is fixedly provided with a supporting column 231, and the side walls of the supporting column 231 are fixedly connected with the two groups of water pumps 121.
Preferably, the carbon displacement detection mechanism further comprises a support shell, wherein the support shell is arranged at the bottom of the two groups of carbon displacement detection mechanisms 100 and plays a role of support.
In the embodiment of the invention, the device comprises two groups of carbon discharge detection mechanisms and carbon absorption mechanisms; the carbon absorption mechanism comprises an absorption tower, a pressurizing tower and a leakage sealing ring, wherein the central lines of the absorption tower, the pressurizing tower and the leakage sealing ring are overlapped, and the top of the absorption tower is fixedly connected with the pressurizing tower through the leakage sealing ring; electromagnetic valves are fixedly arranged on the side wall of the absorption tower close to the top and the side wall of the absorption tower close to the bottom respectively, and a material injection pipe is fixedly and hermetically penetrated at the bottom of the absorption tower; each group of carbon displacement detection mechanisms comprises an ionization titration assembly and a reaction assembly, wherein the central lines of the ionization titration assembly and the reaction assembly are coincident; the ionization titration assembly is fixedly communicated with the output end of the electromagnetic valve; the reaction assembly is at the bottom of the ionization titration assembly. In the whole urban power grid carbon emission full-time monitoring process, carbon dioxide is injected into the absorption tower through the injection pipe to be absorbed, the pressure inside the absorption tower is changed based on the pressurization tower, unabsorbed carbon dioxide gas is discharged based on the pressurization tower and the air release sealing ring, the mixed solution after reaction in the absorption tower is introduced into the ionization titration assembly through the two groups of electromagnetic valves, the introduced mixed solution is ionized based on each group of ionization titration assembly, the introduced mixed solution is titrated into the reaction assembly to carry out precipitation displacement reaction with calcium chloride solution, the introduced carbon dioxide gas can be absorbed to the greatest extent, carbonate ions can be generated by the solution before titration to accelerate the displacement reaction, the required volume of the precipitation reaction solution is small, and the urban power grid carbon emission full-time monitoring efficiency is integrally improved.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. The full-time monitoring device for the carbon emission of the urban power grid is characterized by comprising two groups of carbon emission detection mechanisms and a carbon absorption mechanism;
the carbon absorption mechanism comprises an absorption tower, a pressurizing tower and a leakage sealing ring, wherein the central lines of the absorption tower, the pressurizing tower and the leakage sealing ring are coincident, and the top of the absorption tower is fixedly connected with the pressurizing tower through the leakage sealing ring;
electromagnetic valves are fixedly arranged on the side wall of the absorption tower close to the top and the side wall of the absorption tower close to the bottom respectively, and a material injection pipe is fixedly and hermetically penetrated at the bottom of the absorption tower;
each group of carbon displacement detection mechanisms comprises an ionization titration assembly and a reaction assembly, wherein the central lines of the ionization titration assembly and the reaction assembly are coincident;
the two ionization titration assemblies are fixedly communicated with the output ends of the two electromagnetic valves one by one;
the reaction assembly is at the bottom of the ionization titration assembly;
the ionization titration assembly comprises a titration bottle, an electric clutch, a first motor, a point dripping valve, a diversion assembly, a liquid inlet pipe, a water pump and a liquid outlet pipe;
the ionization piece is fixedly arranged at the inner top of the titration flask;
the first motor is fixedly arranged at the top outside the titration bottle, and an output shaft of the first motor is in transmission connection with the ionization piece;
the input end of the drip valve is fixedly communicated with the bottom of the titration bottle, and the output end of the drip valve is fixedly communicated with the diversion assembly;
the bottom of the flow guiding assembly is positioned in the reaction component;
one end of the liquid inlet pipe is fixedly communicated with the side wall of the titration bottle, and the other end of the liquid inlet pipe is fixedly connected with the output end of the water pump;
the input end of the water pump is fixedly communicated with the output end of the electromagnetic valve through the liquid outlet pipe;
the ionization piece comprises a top frame seat, a plurality of groups of ionization plates and stirring blades;
the top frame seat is fixedly arranged at the inner top of the titration bottle;
the ionization plates are arranged in a linear array and fixedly arranged on the inner wall of the top frame seat;
the top end of the stirring blade is rotationally connected with the inner top of the top frame seat and is in transmission connection with an output shaft of the first motor.
2. The urban electric grid carbon emission full-time period monitoring device according to claim 1, wherein the diversion assembly comprises a hard rubber ring, a plurality of groups of diversion plates and a dropper;
the input ends of the plurality of groups of guide plates are fixedly connected with the output end of the drip valve through the hard rubber ring;
the output ends of the plurality of groups of guide plates are conical and fixedly connected with the inner wall of the top end of the dropper;
the bottom end of the dropper is positioned in the reaction assembly.
3. The urban power grid carbon emission full-time period monitoring device according to claim 2, wherein the reaction assembly comprises a reaction cylinder, a liquid adding pipe, a movable cylinder, a liquid discharging pipe and a cylinder;
the bottom end of the dropper is positioned in the reaction cylinder;
the liquid adding pipe is fixedly arranged on the side wall of the reaction cylinder close to the top;
the liquid discharge pipe is fixedly arranged on the side wall of the reaction cylinder close to the bottom;
the movable cylinder penetrates through the reaction cylinder in a sliding manner, and a plurality of groups of sieve holes which are distributed in a circumferential array are formed in the side wall of the movable cylinder;
and an output shaft of the air cylinder is fixedly connected with the bottom of the movable cylinder.
4. The full period monitoring device for carbon emission of an urban power grid according to claim 3, wherein the carbon displacement detection mechanism further comprises a bottom plate, a plurality of groups of support rods, a first clamping ring, a second clamping ring and a protective sleeve;
the top of the bottom plate is fixedly connected with the bottom of the air cylinder;
the first clamping ring is fixedly sleeved at the bottom of the reaction cylinder;
the second clamping ring is fixedly sleeved at the bottom of the titration bottle;
one ends of the plurality of groups of support rods are uniformly distributed and fixed on the top of the bottom plate, and the other ends of the plurality of groups of support rods penetrate through the first clamping ring and are fixedly connected with the second clamping ring;
the outer walls of the support rods are fixedly provided with the protective sleeves, and the liquid adding pipes and the liquid discharging pipes penetrate through the protective sleeves and are fixedly connected with the reaction cylinder.
5. The urban power grid carbon emission full-time period monitoring device according to claim 1, wherein the inner wall of the air leakage sealing ring is provided with an air leakage groove;
the top outside the air leakage sealing ring is fixedly provided with a suction fan;
the output end of the suction fan is communicated with the air leakage groove.
6. The urban power grid carbon emission full-time monitoring device according to claim 1, wherein a pressurizing valve is fixedly arranged on the side wall of the pressurizing tower close to the bottom;
a PH value detector is fixedly arranged on the side wall of the absorption tower close to the bottom;
an electric heating ring is sleeved outside the middle of the absorption tower.
7. The full-time monitoring device for carbon emission of an urban power grid according to claim 1, wherein the carbon absorbing mechanism further comprises a displacement assembly, wherein the displacement assembly comprises a side seat, a second motor, a screw rod, a limiting slide rod, a slide seat, a supporting rod, an L-shaped rod, a cross pushing seat, a pushing plate and a piston;
the side wall of the side seat is fixedly connected with the side wall of the pressurizing tower;
the two ends of the screw are respectively and rotatably connected with the top and the bottom of the side seat;
the second motor is fixedly arranged on the side wall of the absorption tower, and an output shaft of the second motor is in transmission connection with the bottom of the screw rod;
two ends of the limiting slide bar are fixedly connected with the top and the bottom of the side seat respectively;
the sliding seat is meshed with the screw rod and is in sliding connection with the limit sliding rod;
one end of the supporting rod is fixedly connected with the sliding seat, and the other end of the supporting rod penetrates through the top of the pressurizing tower through the L-shaped rod and is fixedly connected with the top of the cross pushing seat;
the bottom of the cross pushing seat is fixedly connected with the piston through the pushing plate;
the push plate is in sliding connection with the inner wall of the pressurizing tower, and the piston is in sealing sliding connection with the inner wall of the pressurizing tower.
8. The full-period monitoring device for carbon emission of an urban power grid according to claim 1, wherein a substrate is fixedly arranged at the bottom of the absorption tower;
the base plate is fixedly provided with a support column, and the side wall of the support column is fixedly connected with two groups of water pumps.
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| JP2015000372A (en) * | 2013-06-14 | 2015-01-05 | 株式会社東芝 | Acid gas recovery system |
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| CN106370776A (en) * | 2016-08-29 | 2017-02-01 | 西北工业大学 | Method used for detecting absorbing capacity of carbon dioxide absorbed from ethanolamine |
| WO2023094670A1 (en) * | 2021-11-29 | 2023-06-01 | Totalenergies Onetech | Regeneration of solvents used in carbon dioxide capture process |
| CN114646603A (en) * | 2022-03-01 | 2022-06-21 | 湖北西塞山发电有限公司 | Method for measuring concentration of carbon dioxide in flue gas of thermal power generating unit |
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