A carbon monoxide emission reduction system and process
By setting up a collection and combustion mechanism in the carbon monoxide emission reduction system, the gas in high-temperature flue gas is processed in batches, and the problems of low carbon monoxide conversion and fuel waste in the prior art are solved, and efficient carbon monoxide emission reduction and energy conservation are achieved.
Patent Information
- Application Number
- CN202411430211.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-14
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2044-10-14
AI Technical Summary
In the prior art, the degree of carbon monoxide conversion in high-temperature flue gas is low, resulting in increased fuel waste and energy consumption.
By setting up a collection mechanism and a combustion mechanism, the gas after the first combustion is collected in batches and subjected to different treatments, including a filtration and grinding assembly, an oxygen delivery assembly, a negative pressure assembly, a regulation assembly and a separation mechanism, ensuring that the carbon monoxide reacts fully with oxygen.
It improves the conversion rate of carbon monoxide in high-temperature flue gas, reduces energy consumption and fuel waste, and achieves more efficient carbon monoxide emission reduction.
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Figure CN118960016B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of carbon monoxide emission reduction, and in particular to a carbon monoxide emission reduction system and process. Background Art
[0002] Carbon monoxide is a colorless, odorless, toxic gas with relatively stable chemical properties. It can combine with hemoglobin, reduce oxygen delivery capacity, and in severe cases can cause suffocation and death. Carbon monoxide poisoning is also called coal gas poisoning. In addition, carbon monoxide can also participate in the generation of photochemical smog, thus causing serious harm to the ecological environment. The carbon monoxide emissions from just one set of industrial equipment can make people's low-carbon travel meaningless. The factory's treatment of carbon monoxide requires a large amount of additional energy, so it is necessary to improve the conversion efficiency of carbon monoxide to carbon dioxide, while reducing energy consumption and saving costs.
[0003] Patent document with patent number CN113803990A discloses a method for treating vanadium rotary kiln flue gas by using a burner, using clean energy natural gas as rotary kiln fuel, and recycling the high-temperature flue gas at the tail of the rotary kiln, conveying the high-temperature flue gas at the tail of the kiln to the combustion head of the burner through a hot air blower, and conveying air to the combustion head of the burner by a Roots blower, and acting together with the high-temperature flue gas as combustion-supporting air for the burner; natural gas is conveyed to the combustion head of the burner through a natural gas pipeline, and the peak value of the burner flame temperature is controlled by adjusting the amount of natural gas introduced; the heat generated by the combustion of the burner is supplied to the rotary kiln, so that the temperature of the high-temperature zone in the rotary kiln is controlled at 650°C-850°C; and the vanadium slag and soda ash loaded in the rotary kiln are subjected to low-temperature roasting.
[0004] However, in actual use, the inventors found that during the ignition reaction, the impact effect of the airflow caused the gas to escape in all directions, which prevented a portion of the carbon monoxide and oxygen from combining to react around the flame, making it difficult to increase the degree of carbon monoxide conversion in the high-temperature flue gas. At the same time, as the carbon monoxide decreases, the consumption of fuel gas raw materials remains unchanged, but the carbon monoxide conversion rate is greatly reduced, resulting in a large amount of fuel being wasted, which is not conducive to cost savings. Summary of the invention
[0005] The purpose of the present invention is to address the shortcomings of the prior art. By setting up a collection mechanism and a combustion mechanism, the gas after the first combustion is collected in batches, and different treatments are performed according to the carbon monoxide content, thereby solving the technical problems of low conversion degree of carbon monoxide in high-temperature flue gas and fuel waste.
[0006] In view of the above technical problems, the technical solution adopted is as follows: a carbon monoxide emission reduction system, comprising:
[0007] An input mechanism, which is arranged at the entrance of the reaction furnace and is used to collect and process larger smoke particles in the high-temperature flue gas and release them evenly into the reaction furnace;
[0008] A collecting mechanism, which is arranged on the reaction furnace and is used to collect flue gas for batch processing;
[0009] A combustion mechanism, which is arranged on the reaction furnace and is used for finely processing the flue gas collected by the collection mechanism;
[0010] A separation mechanism, which is arranged on the collecting mechanism and is used to completely separate smoke particles from the smoke;
[0011] The combustion mechanism includes a first combustion component arranged on the reaction furnace and used to oxidize carbon monoxide in high-temperature flue gas in the reaction furnace, a second combustion component arranged on the reaction furnace and used to refine the reacted gas in batches, and an output component arranged on the second combustion component and used to drive the treated gas to be discharged.
[0012] Preferably, the input mechanism includes a filtering and grinding assembly arranged on the reaction furnace and used to separate and process larger smoke particles, and an oxygen delivery assembly arranged on the reaction furnace and used to drive the ground smoke particles into the reaction furnace through oxygen input.
[0013] Preferably, the filtering and grinding assembly comprises a temporary storage box connected to the entrance of the reaction furnace, a first motor connected to the temporary storage box through a mounting plate, a first reciprocating screw connected to the mounting plate and connected to the output end of the first motor, a grinding column connected to the first reciprocating screw and located in the temporary storage box, a rotating rod connected to the reaction furnace and having a cam connected to one end, two bevel gears respectively connected to the rotating rod and the output end of the first motor and meshing with each other for transmission, and a filter screen connected to the entrance of the reaction furnace through a first spring;
[0014] The oxygen delivery assembly includes an oxygen pump connected to the reaction furnace, a delivery pipe connected to the oxygen pump and extending into the temporary storage box, an annular pipe connected to the reaction furnace and communicating with the temporary storage box, and multiple groups of dispersion pipes connected to the annular pipe and communicating with the reaction furnace.
[0015] Preferably, the collecting mechanism includes a negative pressure component arranged on the reactor and used to collect the residual gas after the first combustion in batches, a regulating component arranged on the negative pressure component and used to adjust the gas delivery efficiency, and a triggering component arranged on the negative pressure component and used to drive the regulating component to work.
[0016] Preferably, the negative pressure assembly comprises a second motor connected to the reactor, a guide rail connected to the reactor, a slider connected to the guide rail and connected to a collecting bucket, a second reciprocating screw connected to the reactor and connected to the slider, a belt transmission member whose two ends are respectively connected to the second motor and the second reciprocating screw, an S-shaped tube connected to the reactor, a deformation tube whose two ends are respectively connected to the S-shaped tube and the collecting bucket, and a first fan connected to the collecting bucket;
[0017] The adjustment assembly includes a fuel pipe connected to the reactor, a rotating disk connected to the fuel pipe, a plurality of arc grooves provided on the rotating disk, an air pipe connected to the reactor, a mounting disk connected to the air pipe and connected to the rotating disk, a plurality of blocking plates connected to the mounting disk via a first rotating shaft, a plurality of first moving grooves provided on the mounting disk, a second moving groove provided on the blocking plate, a limiting column penetrating through the first moving groove, the second moving groove and the arc groove, and a gear ring connected to the rotating disk;
[0018] The trigger assembly includes two groups of first slide grooves opened on the guide rail, a slide rod connected to the first slide groove, two racks respectively connected to the slide rod and located on both sides of the gear ring for meshing and transmission with the gear ring, a trigger block connected to one end of the slide rod through a second spring, two groups of second slide grooves opened on the guide rail, and a guide rod connected to the trigger block and located in the second slide groove.
[0019] Preferably, the first combustion assembly comprises a first gas nozzle connected to the reaction furnace and a first igniter connected to the first gas nozzle;
[0020] The second combustion assembly includes a gas box connected to the reaction furnace and connected to the gas guide pipe, a combustion tube connected to the reaction furnace and communicated with the S-shaped tube, a plurality of second gas nozzles connected between the combustion tube and the gas box, a second igniter connected to the second gas nozzle, a first valve plate and a second valve plate connected to the combustion tube and arranged front and back, and a guide groove opened on the first valve plate.
[0021] Preferably, the output assembly includes a sprocket chain transmission member whose two ends are respectively connected to the first valve plate and the second valve plate, a brake rod connected to the second valve plate, an adjustment plate connected to the air box and having a first through hole and a plurality of second through holes, a round rod connected to the adjustment plate and connected to the brake rod, and a driving cylinder connected to the reactor and having the output end connected to the round rod.
[0022] Preferably, the separation mechanism comprises a dust collecting component arranged on the negative pressure component and used for collecting smoke particles, and an isolation discharge component arranged on the negative pressure component and used for isolating and outputting the smoke particles.
[0023] Preferably, the dust collecting assembly comprises two groups of first filter plates respectively connected to the S-shaped tube through a third spring, a second filter plate connected to the S-shaped tube and connected to the first filter plate, a mounting post connected to the first filter plate and passing through the second filter plate, a spiral plate connected to the mounting post, a plurality of scrapers connected to the mounting post, and a stopper connected to the S-shaped tube;
[0024] The isolation and emission assembly includes a transmission rod connected to the output end of the second motor, a half gear connected to the transmission rod, two groups of dust exhaust pipes connected to the reaction furnace and respectively connected to the S-shaped pipes, a column connected to the dust exhaust pipe and having a spiral groove, an isolation plate connected to the column and connected to the dust exhaust pipe through a fourth spring, a second rotating shaft connected to the dust exhaust pipe and connected to a collecting roller, a steel wire whose two ends are respectively connected to the collecting roller and the mounting column and passes through the column and the dust exhaust pipe in sequence, a follower gear connected to the second rotating shaft and meshing with the half gear for transmission, a support foot connected to the second filter plate, and a second fan connected to the dust exhaust pipe.
[0025] A carbon monoxide emission reduction process, applied to a carbon monoxide emission reduction system, comprises the following steps:
[0026] Step 1, input process, first, the high-temperature flue gas in the melting furnace is transmitted to the inlet of the reaction furnace, at this time, the larger smoke particles are separated under the action of the filtering and grinding components, and the remaining part enters the reaction furnace, then the inlet of the reaction furnace and the inlet of the filtering and grinding components are closed, the volume of the ground smoke particles is reduced, and under the action of the oxygen delivery component, they are evenly dispersed in the reaction furnace together with the oxygen;
[0027] Step 2, the first combustion process, when oxygen is in place, the first combustion component ignites the fuel gas, thereby causing carbon monoxide and oxygen to react to generate carbon dioxide;
[0028] Step 3, the collection process, after the first combustion reaction is completed, the negative pressure component gradually collects the gas in the reactor in batches from top to bottom or from bottom to top. Since the residual gas in the upper and lower parts is more than the middle position, the adjustment component and the trigger component will adjust the input rate of the gas according to different positions during collection. At the same time, the dust collection component and the isolation emission component work together to collect and discharge the smoke particles in the collected gas;
[0029] Step 4, the second combustion process, the gas collected in batches is ignited again in the second combustion component to allow the escaped carbon monoxide to fully react with oxygen, and under the action of the output component, the gas after the second reaction will be calcined with greater fire when discharged to prevent carbon monoxide from remaining and prevent the next batch of unreacted gas from mixing with the post-reaction gas and escaping.
[0030] Beneficial effects of the present invention:
[0031] (1) The present invention changes the original fume treatment method of the melting furnace, and the fume discharged from the melting furnace is directed to other systems for treatment instead of the original route, so that most of the carbon monoxide contained in the fume is converted into carbon dioxide through reaction under the high temperature environment of other systems, and the remaining small amount of carbon monoxide meets the emission standards, thereby greatly reducing energy consumption and reducing environmental pollution;
[0032] (2) In the present invention, by providing a filtering and grinding assembly in the input mechanism, larger smoke particles are collected and ground into fine particles before the high-temperature smoke starts to ignite the reaction, and then discharged into the reactor. In the first combustion reaction, the smoke particles will not hinder the ejected flame, so that the carbon monoxide and oxygen in the reactor can be combined to generate carbon dioxide as much as possible;
[0033] (3) In the present invention, by setting the first combustion component, the second combustion component and the output component in the combustion mechanism, firstly, the two groups of combustion are set, so that the carbon monoxide that cannot be combined with oxygen in time due to the impact of the airflow in the first combustion can be collected again and fully reacted, thereby improving the treatment effect of carbon monoxide. Secondly, the second combustion is processed in batches, which reduces the problem of blindly consuming energy with large firepower like in the first combustion, thereby making full use of fuel.
[0034] (4) In the present invention, by providing a negative pressure component and a regulating component in the collection mechanism, the gas in the reaction furnace is divided into three parts during the second combustion. Since the flame is located in the middle position during the first combustion, the gas escapes to the upper and lower positions due to the impact of the airflow. Then, when the gas in the upper and lower parts is collected for the second combustion reaction, the amount of fuel gas is increased and the efficiency is improved. On the contrary, the amount of fuel gas is reduced in the middle part, thereby rationally utilizing resources.
[0035] In summary, the device has the advantages of energy saving, reasonable fuel emission efficiency, and sufficient carbon monoxide combustion reaction, and is particularly suitable for the field of carbon monoxide emission reduction technology. BRIEF DESCRIPTION OF THE DRAWINGS
[0036] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.
[0037] Figure 1 It is a schematic diagram of the overall structure of the present invention.
[0038] Figure 2This is a schematic diagram of the structure of the reactor.
[0039] Figure 3 This is a schematic diagram of the structure of the input mechanism.
[0040] Figure 4 for Figure 3 An enlarged schematic diagram of part A.
[0041] Figure 5 This is a schematic diagram of the structure of the collection mechanism.
[0042] Figure 6 It is a schematic diagram of the structure of the negative pressure component.
[0043] Figure 7 for Figure 6 An enlarged schematic diagram of part B.
[0044] Figure 8 Schematic diagram of the structure of the adjustment component.
[0045] Fig. 9 It is a structural diagram of the slider.
[0046] Fig.10 Schematic diagram of the structure of the blocking plate.
[0047] Fig.11 It is a schematic diagram of the structure of the arc groove.
[0048] Fig.12 It is a schematic diagram of the structure of the second combustion assembly.
[0049] Fig.13 Schematic diagram of the internal structure of the second combustion assembly.
[0050] Fig.14 for Fig.13 An enlarged schematic diagram of part C.
[0051] Fig.15 It is a structural diagram of the separation mechanism.
[0052] Fig.16 for Fig.15 An enlarged schematic diagram of part D.
[0053] Fig.17 A schematic diagram of the structure of the installation column.
[0054] Fig.18 for Fig.15 An enlarged schematic diagram of part E.
[0055] Fig.19 It is a schematic diagram of the structure of a half gear.
[0056] Fig. 20 A schematic diagram of the workflow. DETAILED DESCRIPTION
[0057] The technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the accompanying drawings.
[0058] Embodiment 1
[0059] like Figure 1 to Figure 2 and Figure 5 as well as Figure 12 to Figure 13 A carbon monoxide reduction system is shown, comprising:
[0060] An input mechanism 1, which is disposed at the entrance of the reaction furnace 100 and is used to collect and process relatively large smoke particles in the high-temperature smoke and release them uniformly into the reaction furnace 100;
[0061] A collecting mechanism 2, which is disposed on the reaction furnace 100 and is used to collect flue gas for batch processing;
[0062] A combustion mechanism 3, which is disposed on the reaction furnace 100 and is used for finely processing the flue gas collected by the collection mechanism 2;
[0063] A separation mechanism 4, which is arranged on the collecting mechanism 2 and is used to completely separate smoke particles in the smoke;
[0064] The combustion mechanism 3 includes a first combustion component 31 arranged on the reactor 100 and used to oxidize carbon monoxide in the high-temperature flue gas in the reactor 100, a second combustion component 32 arranged on the reactor 100 and used to refine the post-reaction gas in batches, and an output component 33 arranged on the second combustion component 32 and used to drive the treated gas to be discharged.
[0065] In this embodiment, by setting the first combustion component 31, the second combustion component 32 and the output component 33 in the combustion mechanism 3, firstly, the two groups of combustion settings enable the carbon monoxide that failed to combine with oxygen in time due to the impact of the airflow during the first combustion to be collected again and fully react, thereby improving the treatment effect of carbon monoxide. Secondly, the second combustion is processed in batches, thereby reducing the problem of blindly consuming energy with large firepower like in the first combustion, thereby making full use of the fuel.
[0066] In detail, first, the high-temperature flue gas in the melting furnace is transmitted to the entrance of the reactor 100, and then the input mechanism 1 collects and processes the larger smoke particles in the high-temperature flue gas and releases them evenly into the reactor 100 with the entry of oxygen. Next, the combustion mechanism 3 starts the first combustion in the reactor 100, so that most of the carbon monoxide combines with oxygen to complete the conversion into carbon dioxide. Subsequently, the collection mechanism 2 and the combustion mechanism 3 cooperate to collect the gas in the reactor 100 in batches from top to bottom or from bottom to top, and perform a secondary ignition reaction. During the gas collection process, the separation mechanism 4 completely separates the smoke particles in the flue gas.
[0067] It should be noted that the present invention will change the original flue gas treatment method of the melting furnace, and the flue gas discharged from the melting furnace will not follow the original route, but will enter a part of the sintering furnace system and a part of the rotary kiln system for treatment. The reaction furnace 100 is a sintering furnace or a rotary kiln; a proportional regulating valve is set at the outlet of the melting furnace, and the regulating valve controls the proportion of the flue gas discharged into the sintering furnace system and the rotary kiln system through the carbon monoxide concentration in the flue gas online monitoring system. A fresh air system is set before the flue gas enters the sintering furnace system and the rotary kiln system. The fresh air system controls the oxygen supply solenoid valve of the liquid oxygen system through the signal of an oxygen sensor, thereby ensuring the full combustion of carbon monoxide. The high temperature environment in the sintering furnace system and the rotary kiln system provides energy guarantee for the carbon monoxide oxidation reaction, and thus consumes less energy than the traditional treatment method.
[0068] Further, if Figures 1 to 4 As shown, the input mechanism 1 includes a filtering and grinding assembly 11 arranged on the reaction furnace 100 and used to separate larger smoke particles and process them, and an oxygen delivery assembly 12 arranged on the reaction furnace 100 and used to drive the ground smoke particles into the reaction furnace 100 through oxygen input.
[0069] In this embodiment, by setting the filtering and grinding assembly 11 in the input mechanism 1, before the high-temperature flue gas starts to ignite the reaction, the larger smoke particles are collected and ground into fine particles, and then discharged into the reactor 100. In the first combustion reaction, the smoke particles will not hinder the ejected flame, so that the carbon monoxide and oxygen in the reactor 100 can be combined as much as possible to generate carbon dioxide.
[0070] In detail, when the flue gas is first input, the filtering and grinding component 11 collects and grinds the larger smoke particles into fine particles, which are then driven by the oxygen delivery component 12 to enter the reaction furnace 100 together.
[0071] Further, if Figures 1 to 4As shown, the filtering and grinding assembly 11 includes a temporary storage box 111 connected to the entrance of the reaction furnace 100, a first motor 113 connected to the temporary storage box 111 through a mounting plate 112, a first reciprocating screw rod 114 connected to the mounting plate 112 and connected to the output end of the first motor 113, a grinding column 115 connected to the first reciprocating screw rod 114 and located in the temporary storage box 111, a rotating rod 117 connected to the reaction furnace 100 and having a cam 116 connected to one end, two bevel gears 118 respectively connected to the rotating rod 117 and the output end of the first motor 113 and meshing with each other for transmission, and a filter screen 1110 connected to the entrance of the reaction furnace 100 through a first spring 119;
[0072] The oxygen delivery assembly 12 includes an oxygen pumping machine 121 connected to the reaction furnace 100, a delivery pipe 122 connected to the oxygen pumping machine 121 and extending into the temporary storage box 111, an annular pipe 123 connected to the reaction furnace 100 and communicating with the temporary storage box 111, and multiple groups of dispersion pipes 124 connected to the annular pipe 123 and communicating with the reaction furnace 100.
[0073] In this embodiment, by providing a cam 116 and a grinding column 115 respectively cooperating with the first motor 113, larger smoke particles are vibrated and moved downward, and then reach the bottom of the grinding column 115 for grinding. The continuous action is conducive to improving work efficiency.
[0074] In detail, when the flue gas reaches the inlet of the reactor 100, due to the effect of the filter 1110, the larger smoke particles are blocked, and the remaining part enters the reactor 100 through the filter 1110. During the process, the first motor 113 drives the rotating rod 117 to rotate through the bevel gear 118, and then drives the cam 116 to rotate. Then the cam 116 drives the filter 1110 connected to the first spring 119 to vibrate, so that the intercepted smoke particles move toward the temporary storage box 111. After the smoke input is completed, the inlet of the reactor 100 is closed, and the smoke particles on the filter 1110 are vibrated and transported to the temporary storage box 111. The inlet position of the temporary storage box 111 The closing is also completed, and then the first motor 113 drives the first reciprocating screw 114 to rotate. When the first reciprocating screw 114 rotates and moves downward, the grinding column 115 connected to the first reciprocating screw 114 moves downward to the bottom of the temporary storage box 111 due to its own gravity. Driven by the first reciprocating screw 114, the grinding column 115 starts to rotate and grind. When the first reciprocating screw 114 moves upward again, the bottom lifts the end of the grinding column 115 and drives it to reset. After the grinding is completed, the oxygen pump 121 inputs oxygen through the delivery pipe 122, and then the oxygen drives the smoke particles to pass through the annular pipe 123 and the dispersion pipe 124 in turn to reach the inside of the reactor 100.
[0075] It should be noted that valves are provided at the entrance of the reactor 100 and the entrance of the temporary storage box 111. When the flue gas input is completed, the valves are automatically closed to ensure that the space of the reactor 100 is closed. A one-way valve is provided at each outlet of the dispersion pipe 124. After the grinding column 115 reaches the bottom of the temporary storage box 111, the first reciprocating screw rod 114 will move downward for a distance. At this time, the first reciprocating screw rod 114 only drives the grinding column 115 to rotate, thereby ensuring the grinding effect. At the same time, high-temperature resistant fiber ropes can be arranged around the grinding column 115 to sweep the surrounding smoke particles and move them to the bottom of the grinding column 115.
[0076] Further, if Figure 2 and Figure 5 As shown, the collecting mechanism 2 includes a negative pressure component 21 arranged on the reactor 100 and used to collect the residual gas after the first combustion in batches, a regulating component 22 arranged on the negative pressure component 21 and used to adjust the gas transmission efficiency, and a triggering component 23 arranged on the negative pressure component 21 and used to drive the regulating component 22 to work.
[0077] In this embodiment, by setting the negative pressure component 21 and the regulating component 22 in the collecting mechanism 2, the gas in the reactor 100 is divided into three parts, upper, middle and lower, during the second combustion. According to the flame being in the middle position during the first combustion, the gas escapes to the upper and lower positions due to the impact of the airflow, and then when the upper and lower parts of the gas are collected for the second combustion reaction, the amount of fuel gas is increased and the efficiency is improved. On the contrary, in the middle part, the amount of fuel gas is reduced to rationally utilize resources.
[0078] In detail, after the first ignition reaction, the negative pressure component 21 begins to gradually absorb the gas inside the reactor 100 from top to bottom or from bottom to top, and during the movement, the trigger component 23 drives the adjustment component 22 to complete the adjustment of the fuel delivery rate.
[0079] Further, if Figure 2 and Figures 5 to 11 As shown, the negative pressure assembly 21 includes a second motor 211 connected to the reactor 100, a guide rail 212 connected to the reactor 100, a slider 214 connected to the guide rail 212 and connected to a collecting bucket 213, a second reciprocating screw rod 215 connected to the reactor 100 and connected to the slider 214, a belt transmission member 216 whose two ends are respectively connected to the second motor 211 and the second reciprocating screw rod 215, an S-shaped tube 217 connected to the reactor 100, a deformation tube 218 whose two ends are respectively connected to the S-shaped tube 217 and the collecting bucket 213, and a first fan 219 connected to the collecting bucket 213;
[0080] The regulating assembly 22 includes a fuel pipe 221 connected to the reactor 100, a rotating disk 222 connected to the fuel pipe 221, a plurality of arc grooves 223 provided on the rotating disk 222, an air pipe 224 connected to the reactor 100, a mounting disk 225 connected to the air pipe 224 and connected to the rotating disk 222, a plurality of blocking plates 227 connected to the mounting disk 225 via a first rotating shaft 226, a plurality of first moving grooves 228 provided on the mounting disk 225, a second moving groove 229 provided on the blocking plate 227, a limiting column 2210 penetrating through the first moving groove 228, the second moving groove 229 and the arc groove 223, and a gear ring 2211 connected to the rotating disk 222;
[0081] The trigger assembly 23 includes two groups of first slide grooves 231 opened on the guide rail 212, a slide rod 232 connected to the first slide groove 231, two racks 233 respectively connected to the slide rod 232 and located on both sides of the gear ring 2211 for meshing and transmission with the gear ring 2211, a trigger block 235 connected to one end of the slide rod 232 through a second spring 234, two groups of second slide grooves 236 opened on the guide rail 212, and a guide rod 237 connected to the trigger block 235 and located in the second slide groove 236.
[0082] In this embodiment, the S-shaped tube 217 is provided to make the mixture of carbon monoxide and oxygen in the collected gas more uniform. At the same time, the trigger component 23 is provided so that the negative pressure component 21 can drive the adjustment component 22 to adjust the gas rate during the movement from top to bottom or from bottom to top, thereby reducing the time and power required for resetting and reducing energy consumption.
[0083] In detail, after the first ignition reaction, the second motor 211 drives the second reciprocating screw 215 to rotate through the belt transmission member 216, and then the slider 214 located in the guide rail 212 moves accordingly, and the slider 214 drives the collecting bucket 213 to move. During the process, the first fan 219 rotates, and the gas in the reactor 100 is introduced into the reactor 100 by means of negative pressure, and the gas passes through the collecting bucket 213 and the deformation tube 218 in turn to the inside of the S-shaped tube 217; when the slider 214 moves to the middle section of the reactor 100, the slider 214 begins to contact and squeeze the inclined surface of the trigger block 235. At the beginning, the slider 214 drives the trigger block 235 to move downward together. When the guide rod 237 on one side of the trigger block 235 moves to the other end of the second slide groove 236, the vertical position cannot be moved. The horizontal pressure causes the trigger block 235 to move toward the horizontal position of the second slide groove 236 and causes the second spring 234 to contract. When the slider 214 passes over the trigger block 235, the trigger block 235 automatically resets under the action of the second spring 234. During the downward movement of the trigger block 235, it drives the slide bar 232 in the first slide groove 231 to move, and the slide bar 232 drives the rack 233 to move and drives the gear ring 2211 to rotate. The gear ring 2211 then drives the rotating disk 222 to rotate. Due to the fixed installation of the mounting disk 225, when the rotating disk 222 rotates, it drives the limit column 2210 connected to the arc groove 223, the first moving groove 228, and the second moving groove 229 to move, thereby driving the blocking plate 227 to rotate, so that the opening is reduced and the gas delivery rate is reduced.
[0084] Further, if Figure 2 and Figure 5 as well as Figure 12 to Figure 14 As shown, the first combustion assembly 31 includes a first gas nozzle 311 connected to the reaction furnace 100 and a first igniter 312 connected to the first gas nozzle 311;
[0085] The second combustion assembly 32 includes a gas box 321 connected to the reactor 100 and connected to the gas guide pipe 224, a combustion tube 322 connected to the reactor 100 and communicated with the S-shaped tube 217, a plurality of second gas nozzles 323 connected between the combustion tube 322 and the gas box 321, a second igniter 324 connected to the second gas nozzle 323, a first valve plate 325 and a second valve plate 326 connected to the combustion tube 322 and arranged front and back, and a guide groove 327 opened on the first valve plate 325.
[0086] In this embodiment, the combustion tube 322 is provided to place the gas in a smaller enclosed space for reaction, so that the remaining oxygen and carbon monoxide can fully combine and react. At the same time, the guide groove 327 is provided on the first valve plate 325 so that the direction of the second gas nozzle 323 under the first valve plate 325 can be adjusted when outputting gas alone, so as to drive the output of the gas after the reaction.
[0087] In detail, after the flue gas and oxygen enter the reactor 100 in sequence, the first gas nozzle 311 starts to output gas and is ignited by the first igniter 312. At this time, the carbon monoxide and oxygen inside the reactor 100 begin to combine and react. After the reaction, the gas enters the combustion tube 322 in batches under the action of the collecting mechanism 2, and then the second ignition reaction is carried out.
[0088] It should be noted that, since the impact of the airflow causes the reaction gas to escape everywhere, the combustion time is shorter during the first combustion, thereby saving fuel resources.
[0089] Further, if Figure 2 and Figure 5 as well as Figure 12 to Figure 14 As shown, the output assembly 33 includes a sprocket chain transmission member 331 whose two ends are respectively connected to the first valve plate 325 and the second valve plate 326, a brake rod 332 connected to the second valve plate 326, an adjustment plate 335 connected to the air box 321 and having a first through hole 333 and a plurality of second through holes 334, a round rod 336 connected to the adjustment plate 335 and connected to the brake rod 332, and a driving cylinder 337 connected to the reactor 100 and having an output end connected to the round rod 336.
[0090] In this embodiment, the output component 33 is provided so that the second combustion tube 322 can be opened in different ways when the reaction and output are in progress in the combustion tube 322, thereby maintaining multiple positions and low-power output during the reaction, and maintaining one position and high-power output when the post-reaction gas needs to be output, thereby guiding the output of the post-reaction gas while ensuring the full reaction of the carbon monoxide in the gas, and the gas subsequently input into the combustion tube 322 is easily escaped after mixing with the post-reaction gas at the junction. Under the above operation, the carbon monoxide that wants to escape will also be completely reacted, thereby ensuring that the flue gas meets the standards after output.
[0091] In detail, when the collecting mechanism 2 delivers the gas in the reaction furnace 100 to the combustion tube 322, the driving cylinder 337 pushes the round rod 336 to move through the output end, and the round rod 336 drives the second valve plate 326 to close through the brake rod 332. At the same time, the second valve plate 326 drives the first valve plate 325 to rotate and close through the sprocket chain transmission member 331. At this time, the adjustment plate 335 moves under the drive of the round rod 336, and makes the plurality of second through holes 334 aligned with the corresponding second gas nozzles 323. The fuel gas is then ignited by the second igniter 324, and the gas inside the combustion tube 322 begins to react. After the reaction is completed, the cylinder 337 is driven to reset the various parts. At this time, the second through hole 334 on the adjustment plate 335 is aligned with the second gas nozzle 323 at the edge position, and the plurality of first through holes 333 are staggered with the second gas nozzle 323. At this time, the first valve plate 325 and the second valve plate 326 are opened, and the fuel gas is output and ignited, and is sprayed obliquely toward the outlet position of the combustion tube 322 along the guide groove 327 on the first valve plate 325.
[0092] It should be noted that the diameter of the first through hole 333 is larger than that of the second through hole 334 .
[0093] Further, if Figure 2 and Figure 5 as well as Figures 15 to 19 As shown, the separation mechanism 4 includes a dust collecting component 41 disposed on the negative pressure component 21 and used for collecting smoke particles, and an isolation exhaust component 42 disposed on the negative pressure component 21 and used for isolating and outputting the smoke particles.
[0094] It is worth mentioning here that by collecting the gas in batches and removing the smoke particles in the process, on the one hand, the speed of smoke removal is slowed down to ensure the stable operation of the removal device, and on the other hand, the smoke particles remaining in the combustion tube 322 are reduced, which affects the airtightness of the combustion tube 322 and the combustion effect.
[0095] In detail, first, when the gas passes through the S-shaped tube, the two groups of dust collecting components 41 perform collection work alternately, and are discharged under the action of the isolation exhaust component 42, while preventing the escape of the reaction gas.
[0096] Embodiment 2
[0097] like Figure 2 and Figure 5 as well as Figures 15 to 19 As shown, the components identical or corresponding to those in the first embodiment are marked with the corresponding reference numerals in the first embodiment. For the sake of simplicity, only the differences from the first embodiment are described below. The second embodiment differs from the first embodiment in that:
[0098] Further, if Figure 2 and Figure 5 as well as Figures 15 to 19As shown, the dust collecting assembly 41 includes two groups of first filter plates 412 connected to the S-shaped tube 217 through third springs 411, a second filter plate 413 connected to the S-shaped tube 217 and connected to the first filter plate 412, a mounting post 414 connected to the first filter plate 412 and penetrating the second filter plate 413, a spiral plate 415 connected to the mounting post 414, a plurality of scrapers 416 connected to the mounting post 414, and a stopper 417 connected to the S-shaped tube 217;
[0099] The isolation exhaust assembly 42 includes a transmission rod 421 connected to the output end of the second motor 211, a half gear 422 connected to the transmission rod 421, two groups of dust exhaust pipes 423 connected to the reaction furnace 100 and respectively connected to the S-shaped pipe 217, a column 425 connected to the dust exhaust pipe 423 and provided with a spiral groove 424, an isolation plate 427 connected to the column 425 and connected to the dust exhaust pipe 423 through a fourth spring 426, a second rotating shaft 429 connected to the dust exhaust pipe 423 and connected to a collecting roller 428, a steel wire 4210 whose two ends are respectively connected to the collecting roller 428 and the mounting column 414 and passes through the column 425 and the dust exhaust pipe 423 in sequence, a follower gear 4211 connected to the second rotating shaft 429 and meshing with the half gear 422 for transmission, a support foot 4212 connected to the second filter plate 413, and a second fan 4213 connected to the dust exhaust pipe 423.
[0100] It is worth mentioning that, under the action of the third spring 411 and the limit block 417, the first filter plate 412 and the second filter plate 413 can firstly maintain their own positions during filtering, and secondly can automatically reset after outputting the smoke dust, and finally the collision with the limit block 417 during resetting is conducive to preventing the smoke dust particles from being blocked in the filter holes. The setting of the isolation emission component 42 blocks the connection between the outside world and the S-shaped tube 217 when the smoke dust is discharged, and at the same time reduces the emission space of the smoke dust particles as much as possible, thereby making it difficult for the reaction gas to escape.
[0101] In detail, first, the gas and smoke particles enter the S-shaped tube 217 under the action of the collecting mechanism 2, and when moving in the S-shaped tube 217, they will pass through the two groups of first filter plates 412 and second filter plates 413 in sequence. In the first group position, the filter holes of the first filter plate 412 and the second filter plate 413 overlap. At this time, the gas passes through the filter holes and the smoke particles are intercepted. During the process, the second motor 211 also drives the transmission rod 421 and the half gear 422 to rotate at the same time. When the half gear 422 rotates, it drives the follower gear 4211 to rotate. The follower gear 4211 drives the collecting roller 428 to rotate through the second rotating shaft 429 and starts to reel in the steel wire 4210. The other end of the steel wire 4210 moves downward by pulling the first filter plate 412 and the second filter plate 413. During the process, the distance between the second filter plate 413 and the isolation plate 427 is gradually shortened, and the gas between the two is also filtered through the filter holes to reach the second filter The spiral plate 415 on the mounting column 414 engages with the spiral groove 424 on the column 425 to rotate the first filter plate 412. At this time, the filter holes of the first filter plate 412 and the second filter plate 413 are staggered to achieve a closed isolation effect. At the same time, the multiple scrapers 416 connected to the mounting column 414 scrape off the smoke particles on the second filter plate 413, and the support feet 4212 provided on the second filter plate 413 squeeze the isolation plate 427, so that the S-shaped tube 217 is connected to the dust exhaust pipe 423, and then the smoke particles are driven to be discharged under the action of the second fan 4213. When the half gear 422 is disengaged from the follower gear 4211, the first filter plate 412 and the second filter plate 413 are driven to reset by the third spring 411, and the isolation plate 427 is reset under the action of the fourth spring 426 to close the dust exhaust pipe 423.
[0102] It should be noted that, driven by the half gear 422 , the two groups of dust exhaust pipes 423 work alternately.
[0103] Embodiment 3
[0104] like Fig. 20 As shown, a carbon monoxide emission reduction process is applied to a carbon monoxide emission reduction system, comprising the following steps:
[0105] Step 1, input process, first, the high-temperature flue gas in the melting furnace is transmitted to the inlet of the reaction furnace 100, at which time, under the action of the filtering and grinding component 11, the larger smoke particles are separated, and the remaining part enters the reaction furnace 100, and then the inlet of the reaction furnace 100 and the inlet of the filtering and grinding component 11 are closed, the volume of the ground smoke particles is reduced, and under the action of the oxygen delivery component 12, they are evenly dispersed in the reaction furnace 100 together with the oxygen;
[0106] Step 2, the first combustion process, when oxygen is in place, the first combustion component 31 ignites the fuel gas, thereby causing carbon monoxide and oxygen to react to generate carbon dioxide;
[0107] Step 3, the collection process, after the first combustion reaction is completed, the negative pressure component 21 gradually collects the gas in the reactor 100 in batches from top to bottom or from bottom to top. Since the residual gas in the upper and lower parts is more than the middle position, the adjustment component 22 and the trigger component 23 will adjust the input rate of the fuel gas according to different positions during collection. At the same time, the dust collection component 41 and the isolation discharge component 42 work together to collect and discharge the smoke particles in the collected gas;
[0108] Step 4, the second combustion process, the gas collected in batches is ignited again in the second combustion component 32, so that the escaped carbon monoxide reacts fully with oxygen, and under the action of the output component 33, the gas after the second reaction will be calcined with a higher fire when it is discharged to prevent carbon monoxide from remaining and prevent the next batch of unreacted gas from mixing with the post-reaction gas and escaping.
[0109] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by the terms "front and back", "left and right", etc. are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the invention.
[0110] Of course, in the present technical solution, those skilled in the art should understand that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" should not be understood as a limitation on the quantity.
[0111] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art under the technical guidance of the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.
Claims
1. A carbon monoxide emission reduction system, characterized in that: include: An input mechanism, which is arranged at the entrance of the reaction furnace and is used to collect and process larger smoke particles in the high-temperature flue gas and release them evenly into the reaction furnace; A collecting mechanism, which is arranged on the reaction furnace and is used to collect flue gas for batch processing; A combustion mechanism, which is arranged on the reaction furnace and is used for finely processing the flue gas collected by the collection mechanism; A separation mechanism, which is arranged on the collecting mechanism and is used to completely separate smoke particles from the smoke; The combustion mechanism comprises a first combustion assembly arranged on the reaction furnace and used for oxidizing carbon monoxide in the high-temperature flue gas in the reaction furnace, a second combustion assembly arranged on the reaction furnace and used for batch-by-batch fine processing of the reacted gas, and an output assembly arranged on the second combustion assembly and used for driving the treated gas to be discharged; The collecting mechanism includes a negative pressure component arranged on the reaction furnace and used to collect the residual gas after the first combustion in batches, a regulating component arranged on the negative pressure component and used to adjust the gas transmission efficiency, and a triggering component arranged on the negative pressure component and used to drive the regulating component to work; The negative pressure assembly includes a second motor connected to the reactor, a guide rail connected to the reactor, a slider connected to the guide rail and connected to a collecting bucket, a second reciprocating screw connected to the reactor and connected to the slider, a belt transmission member whose two ends are respectively connected to the second motor and the second reciprocating screw, an S-shaped tube connected to the reactor, a deformation tube whose two ends are respectively connected to the S-shaped tube and the collecting bucket, and a first fan connected to the collecting bucket; The adjustment assembly includes a fuel pipe connected to the reactor, a rotating disk connected to the fuel pipe, a plurality of arc grooves provided on the rotating disk, an air pipe connected to the reactor, a mounting disk connected to the air pipe and connected to the rotating disk, a plurality of blocking plates connected to the mounting disk via a first rotating shaft, a plurality of first moving grooves provided on the mounting disk, a second moving groove provided on the blocking plate, a limiting column penetrating through the first moving groove, the second moving groove and the arc groove, and a gear ring connected to the rotating disk; The second combustion assembly includes a gas box connected to the reaction furnace and connected to the gas guide pipe, a combustion tube connected to the reaction furnace and communicated with the S-shaped tube, and a plurality of second gas nozzles connected between the combustion tube and the gas box.
2. A carbon monoxide emission reduction system according to claim 1, characterized in that: The input mechanism includes a filtering and grinding assembly arranged on the reaction furnace and used for separating and processing larger smoke particles, and an oxygen conveying assembly arranged on the reaction furnace and used for driving the ground smoke particles into the reaction furnace through oxygen input.
3. A carbon monoxide reduction system according to claim 2, characterized in that: The filtering and grinding assembly comprises a temporary storage box connected to the entrance of the reaction furnace, a first motor connected to the temporary storage box through a mounting plate, a first reciprocating screw connected to the mounting plate and connected to the output end of the first motor, a grinding column connected to the first reciprocating screw and located in the temporary storage box, a rotating rod connected to the reaction furnace and having a cam connected to one end, two bevel gears respectively connected to the rotating rod and the output end of the first motor and meshing with each other for transmission, and a filter screen connected to the entrance of the reaction furnace through a first spring; The oxygen delivery assembly includes an oxygen pump connected to the reaction furnace, a delivery pipe connected to the oxygen pump and extending into the temporary storage box, an annular pipe connected to the reaction furnace and communicating with the temporary storage box, and multiple groups of dispersion pipes connected to the annular pipe and communicating with the reaction furnace.
4. A carbon monoxide emission reduction system according to claim 1, characterized in that: The trigger assembly includes two groups of first slide grooves opened on the guide rail, a slide rod connected to the first slide groove, two racks respectively connected to the slide rod and located on both sides of the gear ring for meshing and transmission with the gear ring, a trigger block connected to one end of the slide rod through a second spring, two groups of second slide grooves opened on the guide rail, and a guide rod connected to the trigger block and located in the second slide groove.
5. A carbon monoxide emission reduction system according to claim 1, characterized in that: The first combustion assembly includes a first gas nozzle connected to the reaction furnace and a first igniter connected to the first gas nozzle; The second combustion assembly also includes a second igniter connected to the second gas nozzle, a first valve plate and a second valve plate connected to the combustion tube and arranged in front and behind, and a guide groove opened on the first valve plate.
6. A carbon monoxide emission reduction system according to claim 5, characterized in that: The output assembly includes a sprocket chain transmission member whose two ends are respectively connected to the first valve plate and the second valve plate, a brake rod connected to the second valve plate, an adjustment plate connected to the air box and having a first through hole and a plurality of second through holes, a round rod connected to the adjustment plate and connected to the brake rod, and a driving cylinder connected to the reactor and having an output end connected to the round rod.
7. A carbon monoxide emission reduction system according to claim 6, characterized in that: The separation mechanism comprises a dust collecting component arranged on the negative pressure component and used for collecting smoke particles, and an isolation discharge component arranged on the negative pressure component and used for isolating and outputting the smoke particles.
8. A carbon monoxide emission reduction system according to claim 7, characterized in that: The dust collecting assembly comprises two groups of first filter plates respectively connected to the S-shaped tube through a third spring, a second filter plate connected to the S-shaped tube and connected to the first filter plate, a mounting post connected to the first filter plate and passing through the second filter plate, a spiral plate connected to the mounting post, a plurality of scrapers connected to the mounting post, and a stopper connected to the S-shaped tube; The isolation and emission assembly includes a transmission rod connected to the output end of the second motor, a half gear connected to the transmission rod, two groups of dust exhaust pipes connected to the reaction furnace and respectively connected to the S-shaped pipes, a column connected to the dust exhaust pipe and having a spiral groove, an isolation plate connected to the column and connected to the dust exhaust pipe through a fourth spring, a second rotating shaft connected to the dust exhaust pipe and connected to a collecting roller, a steel wire whose two ends are respectively connected to the collecting roller and the mounting column and passes through the column and the dust exhaust pipe in sequence, a follower gear connected to the second rotating shaft and meshing with the half gear for transmission, a support foot connected to the second filter plate, and a second fan connected to the dust exhaust pipe.
9. A carbon monoxide emission reduction process, applied to a carbon monoxide emission reduction system as claimed in any one of claims 1 to 8, characterized in that: The following steps are involved: Step 1, input process, first, the high-temperature flue gas in the melting furnace is transmitted to the inlet of the reaction furnace, at this time, the larger smoke particles are separated under the action of the filtering and grinding components, and the remaining part enters the reaction furnace, then the inlet of the reaction furnace and the inlet of the filtering and grinding components are closed, the volume of the ground smoke particles is reduced, and under the action of the oxygen delivery component, they are evenly dispersed in the reaction furnace together with the oxygen; Step 2, the first combustion process, when oxygen is in place, the first combustion component ignites the fuel gas, thereby causing carbon monoxide and oxygen to react to generate carbon dioxide; Step 3, the collection process, after the first combustion reaction is completed, the negative pressure component gradually collects the gas in the reactor in batches from top to bottom or from bottom to top. Since the residual gas in the upper and lower parts is more than the middle position, the adjustment component and the trigger component will adjust the input rate of the gas according to different positions during collection. At the same time, the dust collection component and the isolation emission component work together to collect and discharge the smoke particles in the collected gas; Step 4, the second combustion process, the gas collected in batches is ignited again in the second combustion component to allow the escaped carbon monoxide to fully react with oxygen, and under the action of the output component, the gas after the second reaction will be calcined with greater fire when discharged to prevent carbon monoxide from remaining and prevent the next batch of unreacted gas from mixing with the post-reaction gas and escaping.
Citation Information
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