CN114618297B - Manufacturing method, device and system of flue gas treatment device - Google Patents

Manufacturing method, device and system of flue gas treatment device Download PDF

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Publication number
CN114618297B
CN114618297B CN202210413909.4A CN202210413909A CN114618297B CN 114618297 B CN114618297 B CN 114618297B CN 202210413909 A CN202210413909 A CN 202210413909A CN 114618297 B CN114618297 B CN 114618297B
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flue gas
gas treatment
treatment device
filter cartridge
alkaline
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CN114618297A (en
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刘科
王慧敏
毛宁
吴飞
沈浩
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Shenzhen Kaisheng Technology Engineering Co ltd
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Shenzhen Kaisheng Technology Engineering Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8678—Removing components of undefined structure
    • B01D53/8681—Acidic components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2411—Filter cartridges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8659—Removing halogens or halogen compounds
    • B01D53/8662—Organic halogen compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20707—Titanium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20723—Vanadium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20776—Tungsten
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/20—Halogens or halogen compounds
    • B01D2257/206—Organic halogen compounds
    • B01D2257/2064—Chlorine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/02—Other waste gases
    • B01D2258/0283—Flue gases

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Treating Waste Gases (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The invention discloses a manufacturing method, a device and a system of a flue gas treatment device, wherein the manufacturing method of the flue gas treatment device comprises the following steps: a filter material resistant to 330 ℃ is adopted to manufacture a filter cylinder with an opening at one end; bonding an alkaline desulfurization layer formed by an alkaline desulfurizing agent to the outer surface of the filter cylinder; determining the thickness of the alkaline desulfurization layer according to the differential pressure resistance when the flue gas passes through; the catalyst is filled inside the filter cartridge. The technical scheme of the invention is that a filter cylinder is manufactured by adopting a filter material with the temperature resistance of more than 330 degrees and is used for filtering particle dust in high-temperature flue gas; deacidifying the high-temperature flue gas by using an alkaline desulfurizing agent; further denitration or dioxin and other gas pollutants by using a catalyst; the flue gas after the filter cartridge is subjected to dust removal, and then is contacted with a catalyst for reaction, so that denitration or dioxin treatment is completed; the flue gas can be treated by dust removal, deacidification, denitration or dioxin only through the flue gas treatment device, so that the treatment flow of flue gas treatment is simplified.

Description

Manufacturing method, device and system of flue gas treatment device
Technical Field
The invention relates to the field of pollutant treatment, in particular to a manufacturing method, a device and a system of a flue gas treatment device.
Background
The exhaust temperature of the industrial kiln is high, and the waste heat recovery value is realized; the process of a conventional integrated processing system includes the steps of: after the kiln flue gas is treated by a heat exchanger, sulfur is pushed by a dry desulfurization tower, integrated denitration is performed by a ceramic tube, then dust is removed by a dust remover, and finally waste heat is utilized on a secondary boiler. The dust removal, desulfurization and denitration process of the treatment system is complex, and has the defects of long flow, multiple devices, high electricity consumption and complex manual maintenance, and the dry desulfurization system in the integrated system still needs to be independent. Therefore, there is a need for a method of manufacturing a smoke treatment apparatus that is energy efficient, environmentally friendly, and simple.
Disclosure of Invention
The invention mainly aims to provide a manufacturing method of a flue gas treatment device, which aims to solve the defects of high energy consumption and complex treatment flow of the existing flue gas treatment device.
In order to achieve the above object, the present invention provides a method for manufacturing a flue gas treatment device, comprising:
a filter material resistant to 330 ℃ is adopted to manufacture a filter cylinder with an opening at one end;
bonding an alkaline desulfurization layer formed by an alkaline desulfurizing agent to the outer surface of the filter cylinder;
determining the thickness of the alkaline desulfurization layer according to the differential pressure resistance when the flue gas passes through;
the catalyst is filled inside the filter cartridge.
Preferably, the step of manufacturing the filter cartridge with an opening at one end by adopting a filter material resistant to 330 ℃ or more comprises the following steps; and a filter material resistant to 330-380 ℃ is adopted to manufacture the filter cylinder.
Preferably, the step of manufacturing the filter cartridge with an opening at one end by adopting a filter material resistant to 330 ℃ or more comprises the following steps; the filter cartridge with the high-pore filtering structure is manufactured by adopting any one of a high-temperature resistant metal material, a high-temperature resistant ceramic material and a high-temperature resistant fiber material which are resistant to the temperature of more than 330 ℃.
Preferably, the alkaline desulfurization agent comprises slaked lime powder, and the step of bonding the alkaline desulfurization agent forming an alkaline desulfurization layer to the outer surface of the filter cartridge comprises the steps of: lime hydrate powder is attached to the outer surface of the filter cartridge.
Preferably, the alkaline desulfurizing agent comprises slaked lime powder, and the slaked lime powder is attached to the outer surface of the filter cartridge, comprising the steps of: the slaked lime powder is uniformly adsorbed on the outer surface of the filter cylinder by utilizing the principle that the air flow generates pressure difference; the purity of calcium hydroxide in the slaked lime powder is above 90%.
Preferably, the step of determining the thickness of the alkaline desulfurization layer according to the differential pressure resistance when the flue gas passes through comprises the following steps: the pressure difference resistance range of the flue gas passing through the alkaline desulfurization layer is controlled to be 300 pa-2000 pa.
Preferably, the step of filling the catalyst inside the filter cartridge comprises the following steps; catalyst forming catalyst membranes are attached to the inner walls of the filter cartridge.
Preferably, the step of filling the catalyst inside the filter cartridge comprises the following steps; the catalyst forming catalyst blocks are adhered to the inner walls of the filter cartridge at the openings.
The invention also provides a flue gas treatment device which is manufactured by adopting the manufacturing method of the flue gas treatment device.
The invention also provides a flue gas treatment system, which comprises the flue gas treatment device manufactured by the manufacturing method of the flue gas treatment device, and also comprises a primary waste heat utilization device and a secondary waste heat utilization device; the primary waste heat utilization device, the flue gas treatment device and the secondary waste heat utilization device are sequentially connected.
According to the technical scheme, the filter cartridge is manufactured by adopting a filter material resistant to the temperature of more than 330 ℃ and is used for filtering particle dust in high-temperature flue gas, the high-temperature flue gas is deacidified by using an alkaline desulfurizing agent, and denitration or dioxin is further performed by using a catalyst; determining the thickness of the alkaline desulfurization layer according to the differential pressure resistance when the flue gas passes through, and ensuring that the flue gas can smoothly pass through the alkaline desulfurization layer; the alkaline desulfurization layer has a certain thickness, so that the flue gas dust removal degree can be further improved; after the flue gas passes through the alkaline desulfurization layer, part of granular dust is removed at the same time, and secondary dust removal is carried out on the flue gas when the flue gas passes through the filter cylinder; the flue gas after the filter cartridge is contacted with a catalyst for reaction, and is discharged from an opening after denitration or dioxin treatment is completed; the flue gas can be subjected to dust removal, deacidification and denitration or dioxin treatment only by the flue gas treatment device, so that the treatment flow of flue gas treatment is simplified.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow chart of a method for manufacturing a flue gas treatment device according to an embodiment of the present invention.
Fig. 2 is a flowchart of an embodiment of step S100 in fig. 1.
Fig. 3 is a flowchart illustrating an embodiment of step S100 in fig. 1.
Fig. 4 is a flowchart illustrating an embodiment of step S200 in fig. 1.
Fig. 5 is a flowchart of an embodiment of step S21 in fig. 4.
Fig. 6 is a flowchart illustrating an embodiment of step S300 in fig. 1.
Fig. 7 is a flowchart of an embodiment of step S400 in fig. 1.
Fig. 8 is a flowchart of another embodiment of step S400 in fig. 1.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, if a directional indication (such as up, down, left, right, front, and rear … …) is involved in the embodiment of the present invention, the directional indication is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional indication is correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if "and/or" and/or "are used throughout, the meaning includes three parallel schemes, for example," a and/or B "including a scheme, or B scheme, or a scheme where a and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The invention provides a manufacturing method of a flue gas treatment device.
Referring to fig. 1 to 8, in an embodiment of the present invention, the proposed method for manufacturing a flue gas treatment device includes:
s100: a filter material resistant to 330 ℃ is adopted to manufacture a filter cylinder with an opening at one end;
s200: bonding an alkaline desulfurization layer formed by an alkaline desulfurizing agent to the outer surface of the filter cylinder;
s300: determining the thickness of the alkaline desulfurization layer according to the differential pressure resistance when the flue gas passes through;
s400: the catalyst is filled inside the filter cartridge.
The existing flue gas treatment generally needs to adopt a dry desulfurization tower for desulfurization, a ceramic tube integrated denitration and a dust remover for dust removal, and in a multi-layer treatment structure, the flue gas circulation resistance is increased, the electrical energy and waste heat consumption are increased, and the treatment steps are complicated; the filter cartridge is manufactured by adopting a filter material with the temperature resistance of more than 330 ℃ and is used for filtering granular dust in high-temperature flue gas, the high-temperature flue gas is deacidified by utilizing an alkaline desulfurizing agent, and denitration or dioxin is further carried out by utilizing a catalyst; determining the thickness of the alkaline desulfurization layer according to the differential pressure resistance when the flue gas passes through, and ensuring that the flue gas can smoothly pass through the alkaline desulfurization layer; the alkaline desulfurization layer has a certain thickness, so that the flue gas dust removal degree can be further improved; after the flue gas passes through the alkaline desulfurization layer, part of granular dust is removed at the same time, and secondary dust removal is carried out on the flue gas when the flue gas passes through the filter cylinder; the flue gas after the filter cartridge is contacted with a catalyst for reaction, and is discharged from an opening after denitration or dioxin treatment is completed; the flue gas can be subjected to dust removal, deacidification and denitration or dioxin treatment only by the flue gas treatment device, so that the treatment flow of flue gas treatment is simplified; in addition, the smoke problem to be treated is generally above 300 ℃, so the temperature which the filter material can bear is higher than 300 ℃, and in order to ensure that the filter material is melted at high temperature after long-term use, the filter cartridge is manufactured by adopting the filter material which is resistant to above 330 ℃.
Preferably, the step S100 of manufacturing the filter cartridge with an opening at one end by adopting the filter material resistant to 330 ℃ or more comprises the following steps;
s11: and a filter material resistant to 330-380 ℃ is adopted to manufacture the filter cylinder.
The smoke problem to be treated is generally above 300 ℃, and in order to save production cost, a filter cylinder can be made of a filter material resistant to 330-380 ℃, so that the problem that the production cost is increased and resource waste is caused due to the adoption of a material resistant to high temperature is avoided.
Preferably, the step S100 of manufacturing the filter cartridge with an opening at one end by adopting the filter material resistant to 330 ℃ or more comprises the following steps;
s12: the filter cartridge with the high-pore filtering structure is manufactured by adopting any one of a high-temperature resistant metal material, a high-temperature resistant ceramic material and a high-temperature resistant fiber material which are resistant to the temperature of more than 330 ℃.
The filter cartridges in the prior art generally adopt fiber ceramic filter materials, aluminum silicate is required to be used as a raw material for fiber ceramics, and the aluminum silicate cannot be naturally degraded; in addition, in the existing flue gas filtering device, the catalyst is combined with the pore structure in the fiber ceramic filter tube, and substances such as vanadium and titanium attached to the fiber ceramic filter tube are required to be separated from the fiber ceramic filter tube during recovery treatment, so that the operation steps are complex, and the recovery treatment cost is high. The alkaline desulfurization layer has the functions of dust removal and deacidification, and the alkaline desulfurization layer is arranged on the outer surface of the filter cylinder and also has the function of protecting the filter material, so that more filter materials can be applied to manufacturing the filter cylinder, most of filter materials suitable for high temperature resistant filter materials in the market can be adopted, the filter materials are not limited to fiber ceramic materials, and various high temperature filter materials such as high temperature resistant metal materials, high temperature resistant ceramic materials, high temperature resistant fiber material pipes and the like can be used for replacing the fiber ceramic materials, so that the filter materials are more beneficial to environmental protection and recovery. When the flue gas passes through the high-pore filtering structure, the granular dust is filtered on the outer surface of the filter cylinder; the pore density of the high pore filter structure can be adjusted according to the emission standard of the gas.
Preferably, the alkaline desulfurization agent comprises slaked lime powder, and the alkaline desulfurization agent forming alkaline desulfurization layer is adhered to the outer surface S200 of the filter cartridge, comprising the steps of:
s21: lime hydrate powder is attached to the outer surface of the filter cartridge.
The slaked lime is used for removing acidic substances such as sulfur and the like, and has the advantages of low cost and high efficiency.
Preferably, the step S21 of attaching slaked lime powder to the outer surface of the filter cartridge includes the steps of:
s211: the slaked lime powder is uniformly adsorbed on the outer surface of the filter cylinder by utilizing the principle that the air flow generates pressure difference; the purity of calcium hydroxide in the slaked lime powder is above 90%.
The slaked lime powder reacts with acidic substances in the flue gas to generate substances such as sulfate, and in order to ensure the removal effect, the purity of calcium hydroxide in the slaked lime powder is at least 90%; the deacidification degree of the treated flue gas is prevented from being inconsistent with the emission standard.
Preferably, the step S300 of determining the thickness of the alkaline desulfurization layer according to the differential pressure resistance when the flue gas passes through includes the following steps:
s31: the pressure difference resistance range of the flue gas passing through the alkaline desulfurization layer is controlled to be 300 pa-2000 pa.
The greater the differential pressure resistance of the alkaline desulfurization layer is when the flue gas passes through, the higher the alkaline desulfurization layer separates dust particles and heavy metal powder, and the further improves the filtration efficiency of the filter cylinder; in addition, in the garbage incineration treatment, the alkaline desulfurization layer with a certain thickness can be used for filtering fly ash containing dioxin and the like, and the aim of achieving the decimal grade of particle dust emission can be achieved normally. The alkaline desulfurization layer on the outer surface of the filter cartridge can reduce the probability of poisoning the catalyst by heavy gold arsenic (As), selenium (Se) and mercury (Hg), so that the service life of the internal catalyst is prolonged; in addition, the catalyst in the catalyst film is evenly distributed, so that the blocking and shielding trouble can be avoided, the improvement of the reaction efficiency is facilitated, and the catalyst can keep high-efficiency activity performance for a long time. The thickness can be adjusted by the pressure of the compressed air and the frequency of the back-blowing. The higher the compressed air pressure is, the higher the blowback frequency is, the lower the differential pressure resistance formed by the alkaline desulfurization layer is, and the thinner the alkaline desulfurization layer is. Preferably, the step S400 of filling the catalyst inside the filter cartridge includes the following steps;
s41: catalyst forming catalyst membranes are attached to the inner walls of the filter cartridge.
The catalyst films are uniformly distributed on the inner wall of the filter cylinder, so that the contact area between the flue gas and the catalyst is increased, and the residence time and the removal efficiency of the flue gas can be maximized.
Preferably, the step S300 of filling the catalyst inside the filter cartridge includes the following steps;
s42: the catalyst forming catalyst blocks are adhered to the inner walls of the filter cartridge at the openings.
The thickness of the catalyst block is thicker than that of the catalyst film, the residence time of the flue gas is longer, and the removal effect can be improved. The catalyst may be provided differently depending on the different characteristics of the material from which the cartridge is made. The invention also provides a flue gas treatment device which is manufactured by adopting the manufacturing method of the flue gas treatment device.
The invention also provides a flue gas treatment device which is manufactured by adopting the manufacturing method of the flue gas treatment device, and the specific structure of the flue gas treatment device refers to the embodiment, and as the flue gas treatment system adopts all the technical schemes of all the embodiments, the flue gas treatment device at least has all the beneficial effects brought by the technical schemes of the embodiments, and the detailed description is omitted.
The invention also provides a flue gas treatment system, which comprises the flue gas treatment device, and the specific structure of the flue gas treatment device refers to the embodiment, and because the flue gas treatment system adopts all the technical schemes of all the embodiments, the flue gas treatment system at least has all the beneficial effects brought by the technical schemes of the embodiments, and the detailed description is omitted. The device also comprises a primary waste heat utilization device and a secondary waste heat utilization device; the primary waste heat utilization device, the flue gas treatment device and the secondary waste heat utilization device are sequentially connected.
According to the technical scheme, the filter cartridge is manufactured by adopting a filter material resistant to the temperature of more than 330 ℃ and is used for filtering particle dust in high-temperature flue gas, the high-temperature flue gas is deacidified by using an alkaline desulfurizing agent, and denitration or dioxin is further performed by using a catalyst; determining the thickness of the alkaline desulfurization layer according to the differential pressure resistance when the flue gas passes through, and ensuring that the flue gas can smoothly pass through the alkaline desulfurization layer; the alkaline desulfurization layer has a certain thickness, so that the flue gas dust removal degree can be further improved; after the flue gas passes through the alkaline desulfurization layer, part of granular dust is removed at the same time, and secondary dust removal is carried out on the flue gas when the flue gas passes through the filter cylinder; the flue gas after the filter cartridge is contacted with a catalyst for reaction, and is discharged from an opening after denitration or dioxin treatment is completed; the flue gas can be subjected to dust removal, deacidification and denitration or dioxin treatment only by the flue gas treatment device, so that the treatment flow of flue gas treatment is simplified.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.

Claims (8)

1. A method of manufacturing a flue gas treatment device, comprising the steps of:
a filter material resistant to 330-380 ℃ is adopted to manufacture a filter cylinder with an opening at one end;
attaching an alkaline desulfurization layer formed by an alkaline desulfurizing agent to the outer surface of the filter cartridge;
determining the thickness of the alkaline desulfurization layer according to the differential pressure resistance when the flue gas passes through; the greater the differential pressure resistance of the alkaline desulfurization layer is when the flue gas passes through, the higher the alkaline desulfurization layer separates dust particles and heavy metal powder, so that the filtering efficiency of the filter cylinder can be improved; adjusting the thickness of the desulfurization layer by the pressure of the back-blown compressed air and the back-blowing frequency; the higher the pressure of the compressed air is, the higher the back blowing frequency is, the lower the pressure difference resistance formed by the alkaline desulfurization layer is, and the thinner the thickness of the alkaline desulfurization layer is; the pressure difference resistance range of the flue gas passing through the alkaline desulfurization layer is controlled to be 300 pa-2000 pa;
the catalyst is filled inside the filter cartridge.
2. The method for manufacturing a flue gas treatment device according to claim 1, wherein the step of manufacturing a filter cartridge having an opening at one end from a filter material resistant to 330 ℃ to 380 ℃ comprises the steps of;
the filter cartridge with the high-pore filtering structure is manufactured by adopting any one of a high-temperature resistant metal material, a high-temperature resistant ceramic material and a high-temperature resistant fiber material which are resistant to 330-380 ℃.
3. The method of manufacturing a flue gas treatment device according to any one of claims 1 to 2, wherein the alkaline desulfurizing agent includes slaked lime powder, and the step of adhering an alkaline desulfurizing agent forming an alkaline desulfurizing layer to the outer surface of the filter cartridge includes the steps of:
lime hydrate powder is attached to the outer surface of the filter cartridge.
4. A method of manufacturing a flue gas treatment device according to claim 3, wherein the step of attaching slaked lime powder to the outer surface of the filter cartridge comprises the steps of:
the slaked lime powder is uniformly adsorbed on the outer surface of the filter cylinder by utilizing the principle that the air flow generates pressure difference; the purity of calcium hydroxide in the slaked lime powder is above 90%.
5. The method of manufacturing a flue gas treatment device according to any one of claims 1 to 2, wherein the step of filling the inside of the filter cartridge with a catalyst comprises the steps of;
catalyst forming catalyst membranes are attached to the inner walls of the filter cartridge.
6. The method of manufacturing a flue gas treatment device according to any one of claims 1 to 2, wherein the step of filling the inside of the filter cartridge with a catalyst comprises the steps of;
the catalyst forming catalyst blocks are adhered to the inner walls of the filter cartridge at the openings.
7. A flue gas treatment device manufactured by the method for manufacturing a flue gas treatment device according to any one of claims 1 to 6.
8. A flue gas treatment system comprising the flue gas treatment device of claim 7, further comprising a primary waste heat utilization device and a secondary waste heat utilization device; the primary waste heat utilization device, the flue gas treatment device and the secondary waste heat utilization device are sequentially connected.
CN202210413909.4A 2022-04-15 2022-04-15 Manufacturing method, device and system of flue gas treatment device Active CN114618297B (en)

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