Environment-friendly dual-carbon emission reduction gas treatment system
By combining the dynamic emission optimization module with pretreatment, CH4 recovery and CO2 capture modules, the problem of existing technologies failing to fully consider production capacity, emission quotas, carbon prices and emission reduction costs is solved, achieving optimal energy conservation, emission reduction and economic benefits for the factory.
Patent Information
- Application Number
- CN202511055672.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-30
- Publication Date
- 2025-09-23
AI Technical Summary
Existing abatement gas treatment systems fail to fully consider the plant’s production capacity, emission quota, emission time, carbon price, and abatement costs, resulting in inaccurate calculations of optimal emissions and a lack of comprehensive analysis.
A dynamic emission optimization module is designed, combining pretreatment, CH4 recovery, CO2 capture and energy conversion modules. By calculating the plant's production capacity, remaining emission quota, remaining time and carbon price, the emission volume and conversion plan are dynamically adjusted to achieve the optimal emission reduction effect.
It improves the energy conservation and emission reduction effects of the factory, reduces the possibility of excessive emissions through optimal emission reduction intensity and economic value adjustment, and enhances the deterrent effect of the system and the factory's enthusiasm for emission reduction.
Smart Images
Figure CN120679304A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of environmental governance, and in particular to an environmentally friendly dual-carbon emission reduction gas treatment system. Background Art
[0002] With global climate change becoming increasingly severe, reducing greenhouse gas emissions, particularly carbon dioxide (CO2) and methane (CH4), has become a shared goal of the international community. Industrial emissions are a major source of CO2 and CH4, particularly in petrochemical, coal utilization, landfill, and livestock and poultry farming industries. Each plant has a certain emission quota and emission schedule, and must manage greenhouse gas emissions appropriately within these quotas and emission schedules.
[0003] In the existing technology, for example, a method and system for accurately controlling environmental emissions from thermal power plants designed by Sinar Mas Energy (Nantong) Co., Ltd. collects and analyzes the daily, monthly, and hourly emission quotas in the plant, thereby accurately analyzing the optimal emissions of the plant. While ensuring production, it achieves better energy-saving and emission reduction effects and reduces pollution to the environment.
[0004] However, in the actual emission process, the amount of waste gas emissions is closely related to the factory's production capacity, emission quota, emission time, carbon price, and emission reduction costs. Existing emission reduction gas treatment systems often only consider emission quotas and emission time, lacking a comprehensive consideration of the factory's production capacity, carbon price, and emission reduction costs. The analysis process is not comprehensive, resulting in the factory's waste gas emission plan still needing improvement. Therefore, it is necessary to propose an environmentally friendly dual-carbon emission reduction gas treatment system that can comprehensively analyze waste gas emissions with the factory's production capacity, emission quota, emission time, carbon price, and emission reduction costs. Summary of the Invention
[0005] To solve the above problems, the present invention provides an environmentally friendly dual-carbon emission reduction gas treatment system. Through the design of a dynamic emission optimization module, it can calculate the optimal emissions of the factory based on the current factory's production capacity, remaining emission quota, remaining time, carbon price and emission reduction cost, thereby ensuring better energy conservation and emission reduction effects while ensuring normal production.
[0006] In order to achieve the above objectives, the technical solution of the present invention is as follows: an environmentally friendly dual-carbon emission reduction gas treatment system, including a pretreatment module, a CH4 recovery module, a CO2 capture module, a dynamic emission optimization module and an energy conversion module.
[0007] The pretreatment module includes purification equipment. The pretreatment module is used to receive raw industrial waste gas emitted by industrial emission sources. The raw industrial waste gas includes CO2, CH4 and SO2. The raw industrial waste gas is purified by purification equipment to obtain purified gas, which is then transmitted to the CH4 recovery module and the CO2 capture module in sequence. The pretreatment module is also used to detect the quality of the purified gas, record it as the total emission amount, and transmit it to the dynamic emission optimization module.
[0008] The CH4 recovery module includes a compression device. The CH4 recovery module is used to receive the purified gas and pass it into the compression device, where it uses a membrane separation method to separate the CH4 to obtain purified CH4. The CH4 recovery module is used to detect the quality of the purified CH4, record it as the CH4 recovery amount, transmit the CH4 recovery amount to the dynamic emission optimization module, and transmit the purified CH4 to the energy conversion module. The CH4 proportion is calculated based on the CH4 recovery amount and the total emission amount.
[0009] The CO2 capture module includes an absorption tower, a desorption tower and a pump assembly; the CO2 capture module is used to receive the purified gas and pass it into the absorption tower and the desorption tower in sequence, and pump amine liquid into the desorption tower through the pump assembly to obtain purified CO2; the CO2 capture module is used to detect the quality of the purified CO2, record it as the CO2 recovery amount, and transmit the CO2 recovery amount to the dynamic emission optimization module, and transmit the purified CO2 to the energy conversion module; based on the CO2 recovery amount and the total emission, the CO2 proportion is calculated.
[0010] The dynamic emission optimization module is used to calculate the emissions of industrial emission gas sources based on the total emissions, CH4 recovery and CO2 recovery; it is used to monitor the production capacity, remaining emission quota, remaining time and carbon price of industrial emission gas sources, and calculate the allowable emissions, optimal emission reduction intensity and optimal emissions of industrial emission gas sources based on the production capacity, remaining emission quota, remaining time and carbon price of industrial emission gas sources; when the emissions of industrial emission gas sources are greater than the allowable emissions, the dynamic emission optimization module is used to issue an emission excess warning; when the emissions of industrial emission gas sources are less than the optimal emissions, the dynamic emission optimization module is used to issue an emission optimization instruction.
[0011] EI = total emissions - (CH4 recovery + CO2 recovery) (1).
[0012] Among them, EI (tons / hour) is the emission of current industrial emission gas sources.
[0013] The formula for calculating the allowable emissions is as follows:
[0014] E0=Q / T (2).
[0015] Among them, E0 (tons / hour) is the allowed emission, Q is the remaining quota, and T is the remaining time.
[0016] The formula for calculating the optimal emission reduction intensity is as follows:
[0017] α=min(C0 / 2kP,1) (3).
[0018] Among them, α is the optimal emission reduction intensity, C0 is the current carbon price, P is the production capacity, and k is the emission reduction cost coefficient. The emission reduction cost coefficient is proportional to the amount of emission reduction per ton of production capacity.
[0019] The optimal emission calculation formula is as follows:
[0020] E OPT =P×EI×(1-α) (4).
[0021] Among them, E OPT (tons / hour) is the optimal emission rate. When the optimal emission rate is greater than the allowable emission rate, the allowable emission rate is taken as the optimal emission rate.
[0022] The energy conversion module is used to receive purified CH4 and CO2 and convert CH4 and CO3 into energy conversion products; it is also used to adjust the conversion plan based on fluctuations in carbon prices, combined with the proportion of CH4 and CO2.
[0023] Furthermore, when the emissions from industrial exhaust gas sources exceed the permitted emissions, the dynamic emission optimization module issues a penalty warning:
[0024] The fine calculation formula is as follows:
[0025] C Z =C0×max(EI-E0,0)+k×P×α 2 (5).
[0026] Among them, C Z is the fine (yuan), (EI-E0) is the adjustment coefficient, k×P×α 2 as an adjustment parameter.
[0027] Furthermore, the dynamic emission optimization module is also used to set a production capacity threshold; when the current production capacity is less than the production capacity threshold, the dynamic emission optimization module is used to issue a production capacity shortage warning.
[0028] Furthermore, the purification equipment includes an electrostatic precipitator and a wet desulfurization tower.
[0029] Furthermore, the compression device includes a compressor.
[0030] Furthermore, energy conversion products include liquefied natural gas and methanol.
[0031] Furthermore, the energy conversion module includes a CH4 conversion unit, a CO2 conversion unit and a classification storage unit.
[0032] The CH4 conversion unit is used to produce liquefied natural gas by compressing and cryogenically liquefying purified CH4.
[0033] The CO2 conversion unit is used to produce methanol using CO2.
[0034] Separate storage unit, used for separate storage and transportation of CO2 and CH4.
[0035] Furthermore, the energy conversion module is used to set a carbon price standard value. When the CH4 proportion is greater than 50% and the carbon price is less than the carbon price standard value, the energy conversion module produces liquefied natural gas through the CH4 conversion unit and stores CO2 through the classified storage unit.
[0036] Furthermore, when the CO2 proportion is ≥50% and the carbon price is ≥the carbon price standard value, the energy conversion module produces methanol through the CO2 conversion unit and stores the CO2 through the classification storage unit.
[0037] Furthermore, when the carbon price is greater than the carbon price standard value, the energy conversion module transfers the stored CO2 to the CO2 conversion unit through the classified storage unit, compensating the CO2 proportion to more than 50%; when the carbon price is less than the carbon price standard value, the energy conversion module transfers the stored CH4 to the CH4 conversion unit through the classified storage unit, compensating the CH4 proportion to more than 50%.
[0038] The above scheme has the following beneficial effects:
[0039] 1. Although the emission reduction gas treatment system in the prior art can accurately monitor the emissions at each time point, and thus calculate the optimal emissions of the factory based on the emission quota and emission time; it lacks comprehensive consideration of the factory's production capacity, carbon price and emission reduction costs, resulting in inaccurate calculated optimal emissions; in actual production, the higher the factory's production capacity, the higher its waste gas emissions will be; the higher the carbon price, the higher the factory's share of carbon, and the lower its waste gas emissions will be; the present invention, through the design of a dynamic emission optimization module, calculates the optimal emissions under different production capacities, so that users can dynamically adjust the factory's emissions and improve the project's energy-saving and emission reduction effects.
[0040] 2. In this system, through the design of the optimal emission reduction intensity, the factory can reduce emissions according to the optimal emission reduction intensity and improve the recycling rate of resources. At the same time, the higher the amount spent on emission reduction per ton of production capacity, the greater the emission reduction cost coefficient, and the lower the optimal emission reduction intensity will be, thereby ensuring that the factory can reduce emissions while avoiding excessive consumption due to emission reduction. The optimal emission reduction intensity will also be adjusted according to the carbon price. The higher the carbon price, the greater the optimal emission reduction intensity, so that the factory can obtain higher profits from recycling CO2 and CH4, and at the same time make the factory more proactive in emission reduction.
[0041] 3. In this system, through the design of the energy conversion module, the conversion plan can be dynamically adjusted according to different carbon prices and the proportion of CH4 and CO2. This allows the products converted from CH4 and CO2 to have higher economic value, further improving the factory's profits and enthusiasm for emission reduction.
[0042] 4. In this system, by comparing the emissions of industrial gas sources with the allowed emissions, it is possible to quickly determine whether the factory has exceeded the emission limit. The design of penalty warnings can enhance the deterrent effect of the system and reduce the possibility of excessive emissions by the factory. At the same time, the penalty is linked to the current carbon price, the value of excessive emissions, the emission reduction cost coefficient, the production capacity and the emission reduction intensity, and the penalty standard is quantified, so that the factory can have a clearer understanding of the composition of the fine.
[0043] Additional aspects and advantages of the present invention will be set forth in part in the description which follows and, in part, will be obvious from the description which follows, or may be learned by practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0044] Figure 1 This is a schematic structural diagram of the environmentally friendly dual-carbon emission reduction gas treatment system of the present invention.
[0045] Figure 2 This is a schematic structural diagram of the energy conversion module in the environmentally friendly dual-carbon emission reduction gas treatment system of the present invention. DETAILED DESCRIPTION
[0046] The following is further described in detail through specific implementation methods:
[0047] Implementation example Figure 1As shown, an environmentally friendly dual-carbon emission reduction gas treatment system includes an industrial exhaust gas source (mainly referring to a factory in this embodiment), a pretreatment module for preliminary purification of the original industrial waste gas, a CH4 recovery module for recovering CH4 in the original industrial waste gas, a CO2 capture module for recovering CO2 in the original industrial waste gas, a dynamic emission optimization module for calculating the optimal emission amount, and a resource conversion module for recycling and utilizing CH4 and CO2 in a manner that maximizes benefits; each module is connected to the user's remote control terminal signal (the remote control terminal includes a mobile phone, computer, and tablet, etc., and a mobile phone is selected in this embodiment).
[0048] The specific functions of each module are as follows:
[0049] The pretreatment module includes an electrostatic precipitator and a wet desulfurization tower; the pretreatment module is used to receive the original industrial waste gas emitted by the industrial emission gas source, the original industrial waste gas includes CO2, CH4 and SO2, and uses the electrostatic precipitator and the wet desulfurization tower to purify the original industrial waste gas to obtain the purified gas, which is then transmitted to the CH4 recovery module and the CO2 capture module in sequence; the pretreatment module is also used to detect the quality of the purified gas, record it as the total emission amount, and transmit it to the dynamic emission optimization module.
[0050] Specifically, the pretreatment module removes particulate matter from the exhaust gas using an electrostatic precipitator with 50kV high-voltage direct current. A wet desulfurization tower removes SO2 from the raw industrial exhaust gas, providing a good foundation for subsequent CO2 capture and CH4 recovery. In this embodiment, the pretreatment module uses a flow meter and concentration sensor to monitor the quality of the purified gas.
[0051] The CH4 recovery module includes a compressor. The CH4 recovery module is used to receive the purified gas and pass it into the compressor, where it uses a membrane separation method to separate the CH4 to obtain purified CH4. The CH4 recovery module is used to detect the quality of the purified CH4, record it as the CH4 recovery amount, transmit the CH4 recovery amount to the dynamic emission optimization module, and transmit the purified CH4 to the energy conversion module. The CH4 proportion is calculated based on the CH4 recovery amount and the total emission amount.
[0052] Specifically, the CH4 recovery module pressurizes the purified gas to 2.5 MPa using a compressor. A polymer membrane is then used to recover the CH4 in the purified gas at 40°C. The remaining gas is then transported through the polymer membrane to the CO2 capture module. In this embodiment, the CH4 recovery module uses a flow meter and concentration sensor to measure the amount of CH4 recovered. Assuming the current total emissions are 200 tons and the CH4 recovery is 40 tons, the CH4 contribution is 20%.
[0053] The CO2 capture module includes an absorption tower, a desorption tower and a pump assembly (in this embodiment, the pump assembly is a liquid pump); the CO2 capture module is used to receive the purified gas and pass it into the absorption tower and the desorption tower in sequence, and pump amine liquid into the desorption tower through the liquid pump (in this embodiment, the amine liquid is a 30% ethanolamine aqueous solution) to obtain purified CO2; the CO2 capture module is used to detect the quality of the purified CO2, record it as the CO2 recovery amount, and transmit the CO2 recovery amount to the dynamic emission optimization module, and transmit the purified CO2 to the energy conversion module; based on the CO2 recovery amount and the total emission, the CO2 proportion is calculated.
[0054] Specifically, the CO2 capture module will pass the purified gas into the absorption tower, and then into the desorption tower to stay for 30 minutes. The internal temperature of the absorption tower is 50℃, and the internal temperature of the desorption tower is 120℃. During this process, the CO2 capture module will use a liquid pump at a speed of 60m 3 / h to the desorption tower to deliver 30% ethanolamine aqueous solution, thereby obtaining purified CO2; in this embodiment, the CO2 capture module detects the amount of CO2 recovery through a flow meter and a concentration sensor; assuming that the current total emission is 200 tons and the CO2 recovery is 110 tons, the CO2 proportion is 55%.
[0055] The dynamic emission optimization module is used to calculate the emissions of industrial emission gas sources based on the total emissions, CH4 recovery and CO2 recovery; it is used to monitor the production capacity, remaining emission quota, remaining time and carbon price of industrial emission gas sources, and calculate the allowable emissions, optimal emission reduction intensity and optimal emissions of industrial emission gas sources based on the production capacity, remaining emission quota, remaining time and carbon price of industrial emission gas sources; when the emissions of industrial emission gas sources are greater than the allowable emissions, the dynamic emission optimization module is used to issue an emission excess warning; when the emissions of industrial emission gas sources are less than the optimal emissions, the dynamic emission optimization module is used to issue an emission optimization instruction.
[0056] EI = total emissions - (CH4 recovery + CO2 recovery) (1).
[0057] Among them, EI (tons / hour) is the emission of current industrial emission gas sources.
[0058] Specifically, assuming that the current total emission of factory A is 100 tons / hour, the CH4 recovery is 10 tons / hour, and the CO2 recovery is 50 tons / hour, then according to calculation formula (1), the total emission is 40 tons / hour.
[0059] The formula for calculating the allowable emissions is as follows:
[0060] E0=Q / T (2).
[0061] Among them, E0 is the allowed emission (tons / hour), Q is the remaining quota, and T is the remaining time.
[0062] Specifically, assuming that the current remaining quota of Factory A is 30,000 tons and T is 600 hours, then according to formula (2), the allowed daily emission of Factory A is 50 tons / hour.
[0063] The formula for calculating the optimal emission reduction intensity is as follows:
[0064] α=min(C0 / 2kP,1) (3).
[0065] Among them, α is the optimal emission reduction intensity, C0 is the current carbon price, P is the production capacity, and k is the emission reduction cost coefficient. The emission reduction cost coefficient is proportional to the amount of emission reduction per ton of production capacity.
[0066] Specifically, assuming that the current production capacity of factory A is 120 tons / hour and the carbon price is 80 yuan / ton; the emission reduction cost coefficient is set to 12, and calculated according to formula (3), the optimal emission reduction intensity of factory A is 0.028.
[0067] The optimal emission calculation formula is as follows:
[0068] E OPT =P×EI×(1-α) (4).
[0069] Among them, E OPT (tons / hour) is the optimal emission rate. When the optimal emission rate is greater than the allowable emission rate, the allowable emission rate is taken as the optimal emission rate.
[0070] Specifically, taking the above-mentioned factory A as an example, according to calculation formula (4), the current optimal emission rate of factory A is 70 tons / hour. However, since the allowed emission rate of factory A is 50 tons / hour, the optimal emission rate exceeds the allowed emission rate. Therefore, the allowed emission rate is taken as the optimal emission rate.
[0071] When the emissions from industrial exhaust gas sources exceed the permitted emissions, the dynamic emission optimization module issues a penalty warning:
[0072] The fine calculation formula is as follows:
[0073] C Z =C0×max(EI-E0,0)+k×P×α 2 (5).
[0074] Among them, C Z is the fine (yuan), (EI-E0) is the adjustment coefficient, k×P×α 2 as an adjustment parameter.
[0075] Specifically, let's assume that the permitted emissions of Factory A are 50 tons / hour, but the current industrial gas emissions from Factory A are 70 tons / hour, the current production capacity is 120 tons / hour, and the carbon price is 80 yuan / ton. The emission reduction cost coefficient is set to 12, and the optimal emission reduction intensity is 0.028. According to formula (5), the fine is 1594.73 yuan / hour. Fines can be levied by regulatory authorities on factories that violate regulations, or by factories themselves punishing employees who violate regulations. The purpose of the fine is to serve as a warning and reduce the possibility of factories violating regulations. At the same time, the fine is associated with the current carbon price, the value of excess emissions, the emission reduction cost coefficient, the production capacity, and the emission reduction intensity, and the fine standard is quantified, so that the penalized can more clearly understand the composition of the fine.
[0076] The dynamic emission optimization module is also used to set a production capacity threshold; when the current production capacity is less than the production capacity threshold, the dynamic emission optimization module is used to issue an insufficient production capacity warning.
[0077] Specifically, if Factory B's production capacity threshold is set at 60 tons / hour and its current capacity is 58 tons / hour, the dynamic emissions optimization module will send a capacity shortage warning to the user's mobile phone: Factory B's capacity is insufficient and needs to be increased. By setting the capacity threshold, the factory can maintain normal production while ensuring emissions reduction efforts.
[0078] The energy conversion module receives purified CH4 and CO2 and converts them into energy products. It also adjusts the conversion plan based on fluctuations in carbon prices and the proportion of CH4 and CO2. Energy products include liquefied natural gas and methanol.
[0079] like Figure 2 As shown, the energy conversion module includes a CH4 conversion unit, a CO2 conversion unit and a classification storage unit.
[0080] The CH4 conversion unit is used to produce liquefied natural gas by compressing and cryogenically liquefying purified CH4.
[0081] The CO2 conversion unit is used to produce methanol using CO2. In this embodiment, the CO2 conversion unit is mainly based on a heterogeneous catalytic reactor (such as the Air Products LPMEOH reactor in the prior art). TM , Linde Isothermal and Velocys Microchannel, etc. In this embodiment, Linde Isothermal is used to react CO2 with H2 to produce methanol.
[0082] Separate storage unit, used for separate storage and transportation of CO2 and CH4.
[0083] The energy conversion module is used to set the carbon price standard value. When the CH4 proportion is greater than 50% and the carbon price is less than the carbon price standard value, the energy conversion module produces liquefied natural gas through the CH4 conversion unit and stores CO2 through the classified storage unit.
[0084] When the CO2 proportion is ≥50% and the carbon price is ≥the carbon price standard value, the energy conversion module produces methanol through the CO2 conversion unit and stores the CO2 through the classified storage unit.
[0085] When the carbon price is greater than the carbon price standard value, the energy conversion module transfers the stored CO2 to the CO2 conversion unit through the classified storage unit, compensating the CO2 proportion to more than 50%; when the carbon price is less than the carbon price standard value, the energy conversion module transfers the stored CH4 to the CH4 conversion unit through the classified storage unit, compensating the CH4 proportion to more than 50%.
[0086] Specifically, assuming that Factory C sets the carbon price standard value to 80 yuan / ton, and the current carbon price is 100 yuan / ton, the current carbon price is greater than the carbon price standard value. Therefore, the energy conversion module will produce methanol through the CO2 conversion unit; at the same time, the classification storage unit will transfer the stored CO2 to the CO2 conversion unit, so that the CO2 proportion reaches more than 50%, thereby meeting the preparation conditions of methanol and increasing the economic benefits of Factory C.
[0087] Although the emission reduction gas treatment system in the existing technology can accurately monitor the emissions at each time point, and thus calculate the optimal emissions of the factory based on the emission quota and emission time; it lacks comprehensive consideration of the factory's production capacity, carbon price and emission reduction costs, resulting in inaccurate calculated optimal emissions; in actual production, the higher the factory's production capacity, the higher its waste gas emissions will also be; the higher the carbon price, the higher the factory's share of carbon, and the lower its waste gas emissions will be; the present invention, through the design of a dynamic emission optimization module, calculates the optimal emissions under different production capacities, so that users can dynamically adjust the factory's emissions and improve the factory's energy conservation and emission reduction effects.
[0088] Obviously, the above embodiments are merely examples for clarity of explanation and are not intended to limit the implementation methods. Those skilled in the art will readily appreciate that other variations or modifications based on the above descriptions are possible. It is not necessary and impossible to enumerate all implementation methods here. Obvious variations or modifications arising therefrom remain within the scope of protection created by the present invention.
Claims
1. An environmentally friendly dual-carbon emission reduction gas treatment system, including an industrial exhaust gas source, characterized in that: It also includes a pretreatment module, a CH4 recovery module, a CO2 capture module, a dynamic emission optimization module, and an energy conversion module; Pretreatment modules, including purification equipment; The pretreatment module is used to receive the original industrial waste gas discharged from the industrial exhaust gas source, and the original industrial waste gas includes CO2, CH4 and SO2; The purification equipment is used to purify the raw industrial waste gas to obtain the purified gas, which is then transmitted to the CH4 recovery module and the CO2 capture module in sequence. The pretreatment module is also used to detect the quality of the purified gas, record it as the total emission amount, and transmit it to the dynamic emission optimization module. CH4 recovery module, including compression equipment; The CH4 recovery module receives the purified gas and passes it into the compression equipment, where it separates the CH4 using membrane separation to obtain purified CH4. The CH4 recovery module also detects the quality of the purified CH4, records it as the CH4 recovery amount, transmits the CH4 recovery amount to the dynamic emission optimization module, and transmits the purified CH4 to the energy conversion module. The CH4 contribution is calculated based on the CH4 recovery amount and the total emissions. CO2 capture module, including absorber, desorber and pump assembly; The CO2 capture module is used to receive the purified gas and pass it into the absorption tower and desorption tower in sequence. Amine liquid is pumped into the desorption tower through a pump assembly to obtain purified CO2. The CO2 capture module is also used to detect the quality of the purified CO2, record it as the CO2 recovery amount, and transmit the CO2 recovery amount to the dynamic emission optimization module. The purified CO2 is transmitted to the energy conversion module. The CO2 proportion is calculated based on the CO2 recovery amount and the total emission amount. The dynamic emission optimization module is used to calculate the emissions of industrial emission gas sources based on the total emissions, CH4 recovery and CO2 recovery. It is used to monitor the production capacity, remaining emission quota, remaining time and carbon price of industrial emission gas sources, and calculate the allowable emissions, optimal emission reduction intensity and optimal emissions of industrial emission gas sources based on the production capacity, remaining emission quota, remaining time and carbon price of industrial emission gas sources. When the emissions of industrial emission gas sources exceed the allowable emissions, the dynamic emission optimization module is used to issue an emission excess warning. When the emissions of industrial emission gas sources are less than the optimal emissions, the dynamic emission optimization module is used to issue an emission optimization instruction. EI = total emissions - (CH4 recovery + CO2 recovery) (1); Among them, EI (tons / hour) is the emission of current industrial exhaust gas sources; The formula for calculating the allowable emissions is as follows: E0=Q / T (2); Among them, E0 (tons / hour) is the allowed emission, Q is the remaining quota, and T is the remaining time; The formula for calculating the optimal emission reduction intensity is as follows: α=min(C0 / 2kP,1) (3); Among them, α is the optimal emission reduction intensity, C0 is the current carbon price, P is the production capacity, and k is the emission reduction cost coefficient. The emission reduction cost coefficient is proportional to the amount of emission reduction per ton of production capacity; The optimal emission calculation formula is as follows: E OPT =P×EI×(1-α)(4); where E OPT (tons / hour) is the optimal emission rate. When the optimal emission rate is greater than the allowable emission rate, the allowable emission rate is taken as the optimal emission rate. The energy conversion module is used to receive purified CH4 and CO2 and convert CH4 and CO2 into energy conversion products; it is also used to adjust the conversion plan based on fluctuations in carbon prices, combined with the proportion of CH4 and CO2.
2. The environmentally friendly dual-carbon emission reduction gas treatment system according to claim 1 is characterized in that: When the emissions from industrial exhaust gas sources exceed the permitted emissions, the dynamic emission optimization module issues a penalty warning: The fine calculation formula is as follows: C Z =C0×max(EI-E0,0)+k×P×α 2 (5); among them, C Z is the fine (yuan), (EI-E0) is the adjustment coefficient, k×P×α 2 as an adjustment parameter.
3. The environmentally friendly dual-carbon emission reduction gas treatment system according to claim 2 is characterized in that: The dynamic emission optimization module is also used to set a production capacity threshold; when the current production capacity is less than the production capacity threshold, the dynamic emission optimization module is used to issue an insufficient production capacity warning.
4. The environmentally friendly dual-carbon emission reduction gas treatment system according to claim 3 is characterized in that: Purification equipment includes electrostatic precipitator and wet desulfurization tower.
5. The environmentally friendly dual-carbon emission reduction gas treatment system according to claim 4 is characterized in that: Compression equipment includes compressors.
6. The environmentally friendly dual-carbon emission reduction gas treatment system according to claim 5, characterized in that: Energy conversion products include liquefied natural gas and methanol.
7. The environmentally friendly dual-carbon emission reduction gas treatment system according to claim 6, characterized in that: The energy conversion module includes a CH4 conversion unit, a CO2 conversion unit, and a classification storage unit; A CH4 conversion unit for producing liquefied natural gas by compressing and cryogenically liquefying purified CH4; A CO2 conversion unit for producing methanol using CO2; Separate storage unit, used for separate storage and transportation of CO2 and CH4.
8. The environmentally friendly dual-carbon emission reduction gas treatment system according to claim 7, characterized in that: The energy conversion module is used to set the carbon price standard value. When the CH4 proportion is greater than 50% and the carbon price is less than the carbon price standard value, the energy conversion module produces liquefied natural gas through the CH4 conversion unit and stores CO2 through the classified storage unit.
9. The environmentally friendly dual-carbon emission reduction gas treatment system according to claim 8, characterized in that: When the CO2 proportion is ≥50% and the carbon price is ≥the carbon price standard value, the energy conversion module produces methanol through the CO2 conversion unit and stores the CO2 through the classified storage unit.
10. The environmentally friendly dual-carbon emission reduction gas treatment system according to claim 9, characterized in that: When the carbon price is greater than the carbon price standard value, the energy conversion module transfers the stored CO2 to the CO2 conversion unit through the classified storage unit, compensating the CO2 proportion to more than 50%; when the carbon price is less than the carbon price standard value, the energy conversion module transfers the stored CH4 to the CH4 conversion unit through the classified storage unit, compensating the CH4 proportion to more than 50%.