Combined deacidification treatment method, device and equipment for household garbage incineration flue gas

Abstract

The invention discloses a household garbage incineration flue gas combined deacidification treatment method, device and equipment, garbage incineration is carried out according to a preset non-household garbage blending combustion ratio, chimney indexes and hour mean value changes of preset acid gas are monitored in real time, and when the chimney indexes are below the emission limit value, the flue gas is deacidified. Under the condition that the hour mean value of preset acid gas generated after the components of the original flue gas are changed is below a target value, the non-household garbage blending combustion proportion is adjusted, and the operation mode of the deacidification system is adjusted in time by adjusting the opening degree of a wet bypass baffle, so that the effective removal rate of the acid gas can be ensured; and economic operation can be taken into consideration while environmental protection index up-to-standard emission is guaranteed, the adaptive capacity of the garbage incinerator for treating various kinds of garbage is improved, equipment stability is guaranteed, and the problems that a single deacidification mode is adopted in existing household garbage incineration, and the garbage in the incinerator cannot be deacidified according to the proportion of the garbage in the incinerator are solved. The technical problems of economy, safety and stable operation are realized while the deacidification efficiency is ensured.

Description

Technical Field

[0001] The present invention relates to the technical field of domestic waste incineration, and in particular to a method, device and equipment for combined deacidification treatment of domestic waste incineration flue gas. Background Art

[0002] When the deacidification system is in operation, wet deacidification or semi-dry deacidification is mainly used. During the operation of the semi-dry deacidification system, it is necessary to effectively control the parameters such as the lime slurry flow rate and the liquid temperature of the reaction tower to ensure that the deacidification system can always maintain an efficient operation state during operation. The wet deacidification system will produce tobacco washing wastewater during operation. The lime slurry flow rate will have a certain impact on the deacidification efficiency and the operation effect. Therefore, Cuyao strictly controls the amount of tobacco washing wastewater generated and effectively controls the lime slurry flow rate.

[0003] With the gradual advancement of the excavation of stock waste and the increasing proportion of various industrial solid wastes and high calorific value wastes, the acidic gas in the original flue gas of the domestic waste incineration plant has a large deviation from the original design content, which has also led to the gradual limitation of the output ratio of the deacidification system, which has a great impact on the energy consumption and material consumption level of the entire system. A single deacidification method cannot achieve economic, safe and stable operation while ensuring the deacidification efficiency according to the proportion of garbage entering the furnace. Summary of the invention

[0004] The present invention provides a method, device and equipment for combined deacidification treatment of flue gas from domestic waste incineration, which is used to solve the technical problem that the existing domestic waste incineration adopts a single deacidification method and cannot target the proportion of garbage entering the furnace, thereby ensuring the deacidification efficiency and achieving economic, safe and stable operation.

[0005] In view of this, the first aspect of the present invention provides a method for combined deacidification treatment of flue gas from incineration of domestic waste, comprising:

[0006] The deacidification operation system of the waste incineration plant is configured to adjust the operation mode of the deacidification system by adjusting the opening of the wet bypass damper, wherein the operation mode of the deacidification system includes semi-dry deacidification and wet deacidification;

[0007] The garbage incineration plant is incinerated at a fixed hourly garbage incineration rate according to the preset non-domestic garbage incineration ratio;

[0008] Through the online monitoring equipment configured at the economizer outlet of the waste incineration plant, the hourly average changes of chimney indicators and preset acid gases are monitored in real time;

[0009] According to the real-time chimney index and the hourly average of preset acid gases, when the chimney index is below the emission limit and the hourly average of preset acid gases generated by the original flue gas due to composition changes is below the target value, the proportion of non-domestic waste in the incineration plant and the operation mode of the deacidification system of the waste incineration plant are adjusted to maximize the deacidification efficiency and economy of the deacidification operation system.

[0010] Optionally, the preset non-domestic waste incineration ratio is 0.

[0011] Optionally, according to the real-time chimney index and the hourly average of preset acid gas, under the condition that the chimney index is below the emission limit and the hourly average of preset acid gas generated by the original flue gas due to the change of composition is below the target value, the non-domestic waste blending ratio and the deacidification system operation mode of the waste incineration plant are adjusted to maximize the deacidification efficiency and economy of the deacidification operation system, including:

[0012] When the chimney index is below the emission limit and the hourly average of the preset acid gas generated by the original flue gas due to the change in composition is below the target value, the proportion of non-domestic garbage mixed combustion shall be increased in a fixed proportion increment;

[0013] The operation mode of the deacidification system of the waste incineration plant is adjusted according to the proportion of non-domestic waste in combustion, so as to maximize the deacidification efficiency and economy of the deacidification operation system.

[0014] Optionally, the operation mode of the deacidification system of the waste incineration plant is adjusted according to the proportion of non-domestic waste in the incineration, so as to maximize the deacidification efficiency and economy of the deacidification operation system, including:

[0015] When the proportion of non-domestic waste in combustion is above 30% and less than 50%, the wet bypass damper opening is adjusted to 50%. The deacidification system of the waste incineration plant adopts both semi-dry deacidification and wet deacidification operation modes to maximize the deacidification efficiency and economy of the deacidification operation system.

[0016] When the proportion of non-domestic waste in combustion is above 50%, the opening of the wet bypass damper is adjusted to 20%. The deacidification system of the waste incineration plant adopts semi-dry deacidification and wet deacidification operation modes at the same time, so as to maximize the deacidification efficiency and economy of the deacidification operation system.

[0017] Optionally, fixed scale increments are 10%.

[0018] The second aspect of the present invention provides a combined deacidification treatment device for flue gas from incineration of domestic waste, comprising:

[0019] A system configuration unit, used to configure the deacidification operation system of the waste incineration plant to a structure for adjusting the operation mode of the deacidification system by adjusting the opening of the wet bypass damper, wherein the operation mode of the deacidification system includes semi-dry deacidification and wet deacidification;

[0020] An incineration unit is used to incinerate garbage according to a preset non-domestic garbage incineration ratio and to fix the garbage incineration amount per hour of the garbage incineration plant;

[0021] The monitoring unit is used to monitor the hourly average changes of chimney indicators and preset acid gases in real time through the online monitoring equipment configured at the economizer outlet of the waste incineration plant;

[0022] The operation mode adjustment unit is used to adjust the non-domestic waste blending ratio and the deacidification system operation mode of the waste incineration plant according to the real-time chimney index and the hourly average of preset acid gases, under the condition that the chimney index is below the emission limit and the hourly average of preset acid gases generated by the original flue gas due to component changes is below the target value, so as to maximize the deacidification efficiency and economy of the deacidification operation system.

[0023] Optionally, the preset non-domestic waste incineration ratio is 0.

[0024] Optionally, the operation mode adjustment unit is specifically used for:

[0025] When the chimney index is below the emission limit and the hourly average of the preset acid gas generated by the original flue gas due to the change in composition is below the target value, the proportion of non-domestic garbage mixed combustion shall be increased in a fixed proportion increment;

[0026] The operation mode of the deacidification system of the waste incineration plant is adjusted according to the proportion of non-domestic waste in combustion, so as to maximize the deacidification efficiency and economy of the deacidification operation system.

[0027] Optionally, the operation mode of the deacidification system of the waste incineration plant is adjusted according to the proportion of non-domestic waste in the incineration, so as to maximize the deacidification efficiency and economy of the deacidification operation system, including:

[0028] When the proportion of non-domestic waste in combustion is above 30% and less than 50%, the wet bypass damper opening is adjusted to 50%. The deacidification system of the waste incineration plant adopts both semi-dry deacidification and wet deacidification operation modes to maximize the deacidification efficiency and economy of the deacidification operation system.

[0029] When the proportion of non-domestic waste in combustion is above 50%, the opening of the wet bypass damper is adjusted to 20%. The deacidification system of the waste incineration plant adopts semi-dry deacidification and wet deacidification operation modes at the same time, so as to maximize the deacidification efficiency and economy of the deacidification operation system.

[0030] Optionally, fixed scale increments are 10%.

[0031] The third aspect of the present invention provides a combined deacidification treatment device for flue gas from incineration of domestic waste, the device comprising a processor and a memory:

[0032] The memory is used to store program code and transmit the program code to the processor;

[0033] The processor is used to execute the combined deacidification treatment method for domestic waste incineration flue gas as described in any one of the first aspects according to the instructions in the program code.

[0034] It can be seen from the above technical scheme that the combined deacidification treatment method for domestic waste incineration flue gas provided by the present invention has the following advantages:

[0035] The combined deacidification treatment method for flue gas from incineration of domestic waste provided by the present invention performs waste incineration according to a preset non-domestic waste blending ratio, and an online monitoring device configured at the economizer outlet of the waste incineration plant monitors the chimney index and the hourly average changes of preset acid gases in real time. Under the conditions that the chimney index is below the emission limit and the hourly average of the preset acid gases generated by the original flue gas after the composition changes is below the target value, the non-domestic waste blending ratio is adjusted and the deacidification system operation mode is timely adjusted by adjusting the opening of the wet bypass baffle, so as to ensure the effective removal rate of the acid gases, and take into account the economic operation while ensuring that the environmental protection indicators meet the emission standards, thereby improving the adaptability of the waste incinerator to treat various types of waste, ensuring the stability of the equipment, and solving the technical problems that the existing domestic waste incineration adopts a single deacidification method and cannot target the proportion of garbage entering the furnace to achieve economic, safe and stable operation while ensuring the deacidification efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0037] Figure 1 A schematic flow chart of a combined deacidification treatment method for flue gas from incineration of domestic waste provided in an embodiment of the present invention;

[0038] Figure 2 It is a structural schematic diagram of a combined deacidification treatment device for domestic waste incineration flue gas provided in an embodiment of the present invention;

[0039] Figure 3 It is a structural schematic diagram of a domestic waste incineration flue gas combined deacidification treatment device provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0040] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] For easier understanding, see Figure 1 The present invention provides an embodiment of a method for combined deacidification treatment of flue gas from incineration of domestic waste, comprising:

[0042] Step 101: configure the deacidification operation system of the waste incineration plant to a structure that adjusts the deacidification system operation mode by adjusting the opening of the wet bypass damper, wherein the deacidification system operation mode includes semi-dry deacidification and wet deacidification.

[0043] It should be noted that, in the embodiment of the present invention, the deacidification operation system of the waste incineration plant has two combined operation modes of semi-dry deacidification and wet deacidification, that is, the deacidification operation system can perform semi-dry deacidification operation or wet deacidification operation alone, or perform wet deacidification operation while performing semi-dry deacidification operation. The flue resistance of the deacidification operation system and the consumption of sodium hydroxide reagent are changed by adjusting the opening of the wet bypass damper.

[0044] Step 102: fix the hourly garbage incineration amount of the garbage incineration plant according to the preset non-domestic garbage incineration ratio for garbage incineration.

[0045] It should be noted that the garbage incineration plant is fixed to burn garbage every hour according to the preset non-domestic garbage incineration ratio. In the embodiment of the present invention, the preset non-domestic garbage incineration ratio is 0, at which time the wet bypass damper opening is 100%, and the deacidification system is operated in a semi-dry deacidification mode.

[0046] Step 103: Monitor the chimney index and hourly average changes of preset acid gas in real time through the online monitoring equipment configured at the economizer outlet of the waste incineration plant.

[0047] It should be noted that in order to ensure accurate measurement of various emission indicators of raw flue gas, online monitoring equipment is installed at the economizer outlet of the waste incineration plant to monitor the hourly average changes of chimney indicators and preset acid gases in real time. The preset acid gases include hydrogen chloride and sulfur dioxide.

[0048] Step 104, according to the real-time chimney index and the hourly average of preset acid gases, under the condition that the chimney index is below the emission limit and the hourly average of preset acid gases generated by the original flue gas due to component changes is below the target value, adjust the non-domestic waste blending ratio and the operation mode of the deacidification system of the waste incineration plant to maximize the deacidification efficiency and economy of the deacidification operation system.

[0049] It should be noted that in order to ensure that the environmental protection indicators of waste incineration meet the emission standards, the chimney indicators should not exceed the emission limits, and the hourly average value of hydrogen chloride should be stable at 6 Below, the hourly average sulfur dioxide should be stable at 30 Below. Therefore, through the real-time monitoring of chimney indicators and hourly average results of preset acid gases, under the condition that the chimney indicators are below the emission limit and the hourly average of preset acid gases generated by the original flue gas due to changes in composition is below the target value, the proportion of non-domestic waste in combustion and the operation mode of the deacidification system of the waste incineration plant are adjusted to maximize the deacidification efficiency and economy of the deacidification operation system. As the proportion of non-domestic waste in combustion increases, gradually switch from single system operation to dual system operation, give priority to meeting the semi-dry process load, gradually increase the semi-dry process pulp volume to the upper limit (5t / h), and then gradually put into the wet process system (gradually close the wet process bypass to increase its load), while ensuring that the environmental protection indicators meet the emission standards and taking into account economic operation. Specifically, when the chimney indicators are below the emission limit and the hourly average of preset acid gases generated by the original flue gas due to changes in composition is below the target value, the proportion of non-domestic waste in combustion is increased by a fixed ratio, and the operation mode of the deacidification system of the waste incineration plant is adjusted according to the proportion of non-domestic waste in combustion, so that the deacidification efficiency of the deacidification operation system is maximized and economy. Fixed scale increments are 10%.

[0050] In one embodiment, when the boiler of a waste incineration plant does not burn non-domestic waste, the wet bypass damper opening is 100%, and the deacidification system is operated using a semi-dry deacidification method. When the proportion of non-domestic waste burning is above 30% and less than 50%, the semi-dry slurry reaches the upper limit (5t / h) and needs to be wet-assisted deacidification to control environmental protection indicators, and its bypass opening is closed from 100% to 50% to stabilize. When the proportion of non-domestic waste burning is above 50%, the wet bypass can only maintain a 20% opening, which still has certain economic benefits relative to the working conditions of the dual system being fully invested. When the proportion of domestic waste burning exceeds 60%, the boiler load will be affected, that is, the proportion of burning will no longer be increased.

[0051] The combined deacidification treatment method for flue gas from incineration of domestic waste provided by the present invention performs waste incineration according to a preset non-domestic waste blending ratio, and an online monitoring device configured at the economizer outlet of the waste incineration plant monitors the chimney index and the hourly average changes of preset acid gases in real time. Under the conditions that the chimney index is below the emission limit and the hourly average of the preset acid gases generated by the original flue gas after the composition changes is below the target value, the non-domestic waste blending ratio is adjusted and the deacidification system operation mode is timely adjusted by adjusting the opening of the wet bypass baffle, so as to ensure the effective removal rate of the acid gases, and take into account the economic operation while ensuring that the environmental protection indicators meet the emission standards, thereby improving the adaptability of the waste incinerator to treat various types of waste, ensuring the stability of the equipment, and solving the technical problems that the existing domestic waste incineration adopts a single deacidification method and cannot target the proportion of garbage entering the furnace to achieve economic, safe and stable operation while ensuring the deacidification efficiency.

[0052] For easier understanding, see Figure 2 The present invention provides an embodiment of a combined deacidification treatment device for flue gas from domestic waste incineration, comprising:

[0053] A system configuration unit, used to configure the deacidification operation system of the waste incineration plant to a structure for adjusting the operation mode of the deacidification system by adjusting the opening of the wet bypass damper, wherein the operation mode of the deacidification system includes semi-dry deacidification and wet deacidification;

[0054] An incineration unit is used to incinerate garbage according to a preset non-domestic garbage incineration ratio and to fix the garbage incineration amount per hour of the garbage incineration plant;

[0055] The monitoring unit is used to monitor the hourly average changes of chimney indicators and preset acid gases in real time through the online monitoring equipment configured at the economizer outlet of the waste incineration plant;

[0056] The operation mode adjustment unit is used to adjust the non-domestic waste blending ratio and the deacidification system operation mode of the waste incineration plant according to the real-time chimney index and the hourly average of preset acid gases, under the condition that the chimney index is below the emission limit and the hourly average of preset acid gases generated by the original flue gas due to component changes is below the target value, so as to maximize the deacidification efficiency and economy of the deacidification operation system.

[0057] The preset ratio of non-domestic waste to be incinerated is 0.

[0058] The operation mode adjustment unit is specifically used for:

[0059] When the chimney index is below the emission limit and the hourly average of the preset acid gas generated by the original flue gas due to the change in composition is below the target value, the proportion of non-domestic garbage mixed combustion shall be increased in a fixed proportion increment;

[0060] The operation mode of the deacidification system of the waste incineration plant is adjusted according to the proportion of non-domestic waste in combustion, so as to maximize the deacidification efficiency and economy of the deacidification operation system.

[0061] Adjust the deacidification system operation mode of the waste incineration plant according to the proportion of non-domestic waste in combustion, so as to maximize the deacidification efficiency and economy of the deacidification operation system, including:

[0062] When the proportion of non-domestic waste in combustion is above 30% and less than 50%, the wet bypass damper opening is adjusted to 50%. The deacidification system of the waste incineration plant adopts both semi-dry deacidification and wet deacidification operation modes to maximize the deacidification efficiency and economy of the deacidification operation system.

[0063] When the proportion of non-domestic waste in combustion is above 50%, the opening of the wet bypass damper is adjusted to 20%. The deacidification system of the waste incineration plant adopts semi-dry deacidification and wet deacidification operation modes at the same time, so as to maximize the deacidification efficiency and economy of the deacidification operation system.

[0064] Fixed scale increments are 10%.

[0065] For easier understanding, see Figure 3 The present invention provides an embodiment of a combined deacidification treatment device for flue gas from domestic waste incineration, the device comprising a processor and a memory:

[0066] The memory is used to store program code and transmit the program code to the processor;

[0067] The processor is used to execute the combined deacidification treatment method for domestic waste incineration flue gas described in the present invention according to the instructions in the program code.

[0068] The combined deacidification treatment device and equipment for domestic waste incineration flue gas provided in the present invention are used to implement the combined deacidification treatment method for domestic waste incineration flue gas provided in the present invention. The principles and technical effects achieved are the same as those of the combined deacidification treatment method for domestic waste incineration flue gas provided in the present invention, and will not be repeated here.

[0069] As described above, the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features thereof may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A method for combined deacidification treatment of flue gas from domestic waste incineration, characterized in that: include: The deacidification operation system of the waste incineration plant is configured to adjust the operation mode of the deacidification system by adjusting the opening of the wet bypass damper, wherein the operation mode of the deacidification system includes semi-dry deacidification and wet deacidification; The garbage incineration plant is incinerated at a fixed hourly garbage incineration rate according to the preset non-domestic garbage incineration ratio; Through the online monitoring equipment configured at the economizer outlet of the waste incineration plant, the hourly average changes of chimney indicators and preset acid gases are monitored in real time; According to the real-time chimney index and the hourly average of preset acid gases, when the chimney index is below the emission limit and the hourly average of preset acid gases generated by the original flue gas due to composition changes is below the target value, the proportion of non-domestic waste in the incineration plant and the operation mode of the deacidification system of the waste incineration plant are adjusted to maximize the deacidification efficiency and economy of the deacidification operation system.

2. The method for combined deacidification of flue gas from domestic waste incineration according to claim 1, characterized in that: The preset ratio of non-domestic waste to be incinerated is 0.

3. The method for combined deacidification of flue gas from domestic waste incineration according to claim 2 is characterized in that: According to the real-time chimney index and the hourly average of preset acid gas, under the condition that the chimney index is below the emission limit and the hourly average of preset acid gas generated by the original flue gas due to the change of composition is below the target value, the proportion of non-domestic waste blending and the operation mode of the deacidification system of the waste incineration plant are adjusted to maximize the deacidification efficiency and economy of the deacidification operation system, including: When the chimney index is below the emission limit and the hourly average of the preset acid gas generated by the original flue gas due to the change in composition is below the target value, the proportion of non-domestic garbage mixed combustion shall be increased in a fixed proportion increment; The operation mode of the deacidification system of the waste incineration plant is adjusted according to the proportion of non-domestic waste in combustion, so as to maximize the deacidification efficiency and economy of the deacidification operation system.

4. The method for combined deacidification of flue gas from domestic waste incineration according to claim 3 is characterized in that: Adjust the deacidification system operation mode of the waste incineration plant according to the proportion of non-domestic waste in combustion, so as to maximize the deacidification efficiency and economy of the deacidification operation system, including: When the proportion of non-domestic waste in combustion is above 30% and less than 50%, the wet bypass damper opening is adjusted to 50%. The deacidification system of the waste incineration plant adopts both semi-dry deacidification and wet deacidification operation modes to maximize the deacidification efficiency and economy of the deacidification operation system. When the proportion of non-domestic waste in combustion is above 50%, the opening of the wet bypass damper is adjusted to 20%. The deacidification system of the waste incineration plant adopts semi-dry deacidification and wet deacidification operation modes at the same time, so as to maximize the deacidification efficiency and economy of the deacidification operation system.

5. The method for combined deacidification of flue gas from domestic waste incineration according to claim 4 is characterized in that: Fixed scale increments are 10%.

6. A combined deacidification treatment device for flue gas from domestic waste incineration, characterized in that: include: A system configuration unit, used to configure the deacidification operation system of the waste incineration plant to a structure for adjusting the operation mode of the deacidification system by adjusting the opening of the wet bypass damper, wherein the operation mode of the deacidification system includes semi-dry deacidification and wet deacidification; An incineration unit is used to incinerate garbage according to a preset non-domestic garbage incineration ratio and to fix the garbage incineration amount per hour of the garbage incineration plant; The monitoring unit is used to monitor the hourly average changes of chimney indicators and preset acid gases in real time through the online monitoring equipment configured at the economizer outlet of the waste incineration plant; The operation mode adjustment unit is used to adjust the non-domestic waste blending ratio and the deacidification system operation mode of the waste incineration plant according to the real-time chimney index and the hourly average of preset acid gases, under the condition that the chimney index is below the emission limit and the hourly average of preset acid gases generated by the original flue gas due to component changes is below the target value, so as to maximize the deacidification efficiency and economy of the deacidification operation system.

7. The combined deacidification treatment device for flue gas from domestic waste incineration according to claim 6 is characterized in that: The preset ratio of non-domestic waste to be incinerated is 0.

8. The combined deacidification treatment device for flue gas from domestic waste incineration according to claim 7 is characterized in that: The operation mode adjustment unit is specifically used for: When the chimney index is below the emission limit and the hourly average of the preset acid gas generated by the original flue gas due to the change in composition is below the target value, the proportion of non-domestic garbage mixed combustion shall be increased in a fixed proportion increment; The operation mode of the deacidification system of the waste incineration plant is adjusted according to the proportion of non-domestic waste in combustion, so as to maximize the deacidification efficiency and economy of the deacidification operation system.

9. The combined deacidification treatment device for flue gas from domestic waste incineration according to claim 8 is characterized in that: Adjust the operation mode of the deacidification system of the waste incineration plant according to the proportion of non-domestic waste in combustion, so as to maximize the deacidification efficiency and economy of the deacidification operation system, including: When the proportion of non-domestic waste in combustion is above 30% and less than 50%, the wet bypass damper opening is adjusted to 50%. The deacidification system of the waste incineration plant adopts both semi-dry deacidification and wet deacidification operation modes to maximize the deacidification efficiency and economy of the deacidification operation system. When the proportion of non-domestic waste in combustion is above 50%, the opening of the wet bypass damper is adjusted to 20%. The deacidification system of the waste incineration plant adopts semi-dry deacidification and wet deacidification operation modes at the same time, so as to maximize the deacidification efficiency and economy of the deacidification operation system.

10. A combined deacidification treatment device for flue gas from domestic waste incineration, characterized in that: The device comprises a processor and a memory: The memory is used to store program code and transmit the program code to the processor; The processor is used to execute the combined deacidification treatment method for domestic waste incineration flue gas according to any one of claims 1 to 5 according to the instructions in the program code.

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