CN110927348A - Detect SO2System for fine desulfurizing agent performance - Google Patents
Detect SO2System for fine desulfurizing agent performance Download PDFInfo
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- CN110927348A CN110927348A CN201911356144.XA CN201911356144A CN110927348A CN 110927348 A CN110927348 A CN 110927348A CN 201911356144 A CN201911356144 A CN 201911356144A CN 110927348 A CN110927348 A CN 110927348A
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- 230000003009 desulfurizing effect Effects 0.000 title claims abstract description 53
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 31
- 238000005070 sampling Methods 0.000 claims abstract description 31
- 238000002156 mixing Methods 0.000 claims abstract description 30
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 27
- 238000001816 cooling Methods 0.000 claims abstract description 26
- 230000023556 desulfurization Effects 0.000 claims abstract description 25
- 238000002485 combustion reaction Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 238000001514 detection method Methods 0.000 claims description 15
- 230000001502 supplementing effect Effects 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052717 sulfur Inorganic materials 0.000 abstract description 7
- 239000011593 sulfur Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 4
- RAHZWNYVWXNFOC-UHFFFAOYSA-N sulfur dioxide Inorganic materials O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 34
- 239000007789 gas Substances 0.000 description 29
- 238000009833 condensation Methods 0.000 description 7
- 230000005494 condensation Effects 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 238000005086 pumping Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 206010037844 rash Diseases 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 229910052815 sulfur oxide Inorganic materials 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The invention relates to a method for detecting SO2A system for fine desulfurizer performance. The device comprises a liquefying device, a combustion chamber, a cooling tower, a gas mixing tower and a desulfurizing tower which are connected in sequence; the system also comprises an air pump and an SO2The device comprises a storage device, a first sampling port and a second sampling port; the air pump is arranged between the cooling tower and the air mixing tower; the SO2The storage device is connected with the gas mixing tower; the first sampling port is arranged between the gas mixing tower and the desulfurizing tower; the second sampling port and the first sampling port are respectively arranged on two sides of the desulfurizing tower. The system can be used for SO2Various properties of the fine desulfurizing agent such as sulfur capacity, removal precision, desulfurization efficiency and filling of SO in the desulfurizing tower2Bed pressure drop caused by the desulfurizer is tested, and SO can be more comprehensively represented2The comprehensive performance of the fine desulfurizing agent.
Description
Technical Field
The invention belongs to the field of chemical industry, and particularly relates to a method for detecting SO2A system for fine desulfurizer performance.
Background
SO2Are the most common and pungent sulfur oxides. SO is produced during volcanic eruptions and in many industrial processes2. Due to coal and petroleumUsually contains sulfur, SO that SO is produced during combustion2When SO2Upon dissolution in water, sulfurous acid is formed. If sulfurous acid is further oxidized in the presence of PM2.5, sulfuric acid (a main component of acid rain) is rapidly and efficiently produced. Therefore SO2Is one of the main pollutants of the atmosphere.
As such, for SO2The detection of the performance of the fine desulfurizer is extremely necessary, and the prior equipment is used for SO2The performance of the fine desulfurization agent is not fully tested and needs to be further explored.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a method for detecting SO2A system for fine desulfurizer performance. The system can be used for SO2Various properties of the fine desulfurizing agent such as sulfur capacity, removal precision, desulfurization efficiency and filling of SO in the desulfurizing tower2Bed pressure drop caused by the desulfurizer is tested, and SO can be more comprehensively represented2The comprehensive performance of the fine desulfurizing agent.
The scheme of the invention is to provide a method for detecting SO2The system for the performance of the fine desulfurizing agent comprises a liquefying device, a combustion chamber, a cooling tower, a gas mixing tower and a desulfurizing tower which are connected in sequence; the system also comprises an air pump and an SO2The device comprises a storage device, a first sampling port and a second sampling port; the air pump is arranged between the cooling tower and the air mixing tower; the SO2The storage device is connected with the gas mixing tower; the first sampling port is arranged between the gas mixing tower and the desulfurizing tower; the second sampling port and the first sampling port are respectively arranged on two sides of the desulfurizing tower.
The principle of operation of the system is further explained for a better understanding of the invention.
A flammable gas liquefied at high pressure, such as butane, is stored in the liquefying device; when the detection is over, the pressure reducing valve is opened to introduce the combustible gas into the combustion chamber, and H is generated after the combustion in the combustion chamber is finished2O and CO2And also contains O required for combustion supporting2Together enter a cooling tower for cooling, wherein H2More O is gathered at the bottom of the cooling tower in a liquid state, and the rest gas enters the gas mixing tower through the power provided by the gas pump; at this time, SO2SO in storage devices2Through flow regulation into a gas mixing column, where SO2The adjustable concentration is 100-15000 mg/m3The gas component in the gas mixing tower is CO2、H2O、SO2、O2(ii) a Then the mixed gas enters a desulfurizing tower, a first sampling port can take out a mixed gas sample for carrying out related parameter test, and SO to be tested is put into the desulfurizing tower in advance2The desulfurizer takes out the mixed gas from the second sampling port for relevant test after the mixed gas passes through the desulfurizing tower, and SO can be obtained by synthesizing relevant data2Corresponding properties of the desulfurizing agent.
The system of the invention can directly or indirectly test SO2Sulfur capacity of desulfurizer, SO2 removing precision, desulfurizing efficiency and SO filled in desulfurizing tower2Bed pressure drop caused by the desulfurizing agent. The details are as follows:
sulfur capacity is calculated by calculating SO2Actual weight of desulfurizing agent and SO2Obtained in an amount such that sulfur capacity is SO2SO is divided by dosage2Actual weight of desulfurizing agent. Wherein if SO2When the storage device is a steel cylinder, SO2The amount is the difference between the initial weight of the steel cylinder and the final weight of the steel cylinder, the initial weight of the steel cylinder can be directly measured, and the final weight of the steel cylinder is determined when the second sampling port detects SO2The weight of the cylinder.
SO2The desulfurization precision refers to the amount of residual sulfur dioxide in the flue gas after desulfurization, and is obtained by detecting the flue gas after desulfurization.
The desulfurization efficiency is realized by the SO before and after desulfurization2The content is measured and the result is calculated, and the calculation mode is as follows: SO before desulfurization2concentration-SO after desulfurization2SO before desulfurization2Concentration X100%. Wherein SO is used before desulfurization2The concentration is sampled and measured from the first sampling port, and SO is obtained after desulfurization2The concentration is measured by sampling from the second sampling port.
The bed pressure drop is the pressure difference between the front and back desulfurizing towers, and the wind power of the fan can be configured according to the parameters, which is one of the important parameters.
Preferably, the cooling tower comprises a water spray device.
Preferably, the bottom of the cooling tower is provided with a water outlet pipe, and the water outlet pipe is connected with the collecting tank.
Preferably, an air pump and a first temperature and pressure measuring device are arranged between the cooling tower and the gas mixing tower.
Preferably, a first row of condensation openings are formed at the bottom of the gas mixing tower.
Preferably, a second temperature and pressure measuring device is arranged between the gas mixing tower and the desulfurizing tower.
Preferably, the inside of the desulfurization tower comprises a first porous structure tower plate, a second porous structure tower plate and a third porous structure tower plate which are sequentially arranged from top to bottom; the desulfurizing tower is connected with a water supplementing device; the water replenishing device comprises a metering pump.
Preferably, a second condensation discharge port is arranged at the bottom of the desulfurization tower.
Preferably, said detecting SO2The system for the desulfurization performance of the fine desulfurization agent also comprises a heat exchanger, and the heat exchanger and the desulfurization tower are arranged on two sides of the second sampling port; and a third row of condensing ports are formed in the bottom of the heat exchanger and are connected with a flowmeter.
Preferably, a third temperature and pressure measuring device is arranged between the desulfurizing tower and the heat exchanger.
The invention has the beneficial effects that:
detection of SO in accordance with the invention2System for fine desulfurizing agent performance, can be used for treating SO2Various properties of the fine desulfurizing agent such as sulfur capacity, removal precision, desulfurization efficiency and filling of SO in the desulfurizing tower2Bed pressure drop caused by the desulfurizer is tested, and SO can be more comprehensively represented2The comprehensive performance of the fine desulfurizing agent.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 shows the detection of SO according to the invention2Schematic structural diagram of a system for fine desulfurizer performance.
FIG. 2 is a schematic view of the internal structure of the desulfurization tower according to the present invention.
Reference numbers in the figures:
1-a liquefaction plant; 2-a combustion chamber; 3-a cooling tower; 31-water spray means; 32-water outlet pipe; 33-a collection tank; 34-a first temperature and pressure measuring device; 4-a gas mixing column; 41-SO2A storage device; 42-a first drainage port; 43-a second temperature and pressure measuring device; 5-a desulfurizing tower; 51-a first multi-perforated tray; 52-a second multi-well structured tray; 53-third trays of porous structure; 54-water replenishing device; 55-a metering pump; 56-second row of condensation openings; 57-a third temperature and pressure measuring device; 6, an air pump; 7-a first sampling port; 8-a second sampling port; 9-a heat exchanger; 91-third row of condensation ports; 92-flow meter.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Referring to FIG. 1, the detection SO2The system for the performance of the fine desulfurizer is characterized by comprising a liquefying device 1, a combustion chamber 2, a cooling tower 3, a gas mixing tower 4 and a desulfurizing tower 5 which are connected in sequence; the system also comprises an air pump 6 and an SO2A storage device 41, a first sampling port 7 and a second sampling port 8; the air pump 6 is arranged between the cooling tower 3 and the air mixing tower 4; the SO2The storage device 41 is connected with the gas mixing tower 4;the first sampling port 7 is arranged between the gas mixing tower 4 and the desulfurizing tower 5; the second sampling port 8 and the first sampling port 7 are respectively arranged at two sides of the desulfurizing tower 5.
Referring to fig. 1, as an alternative embodiment, the cooling tower 3 comprises a water spray device 31. The water is used for spraying, the cooling coverage is wide, and the temperature of the mixed gas after combustion can be effectively reduced.
Referring to fig. 1, as an alternative embodiment, a water outlet pipe 32 is arranged at the bottom of the cooling tower 3, and the water outlet pipe 32 is connected with a collecting tank 33. In with water in the cooling tower 3 cools down, set up outlet pipe 32 can in time discharge the cooling water to in view of reducing the consideration to external influence, set up collecting vat 33 is concentrated water, facilitates for subsequent processing.
Referring to fig. 1, as an alternative embodiment, a first temperature and pressure measuring device 34 is disposed between the cooling tower 3 and the gas mixing tower 4. By the arrangement, the temperature of the cooled gas can be monitored in real time, and the cooling efficiency of the cooling tower 3 is adjusted according to the temperature so as to adapt to subsequent detection; meanwhile, the air pumping negative pressure of the air pump 6 can be monitored in real time, and the pumping force can be adjusted according to the air pumping negative pressure. The temperature is usually maintained at 50 to 100 ℃ and the pressure is usually maintained at-3 to-5 kpa.
Referring to fig. 1, as an alternative embodiment, the bottom of the gas mixing tower 4 is provided with a first discharge condensation port 42. With this arrangement, the water condensed in the gas mixing tower 4 can be discharged after the test is finished.
Referring to fig. 1, as an alternative embodiment, a second temperature and pressure measuring device 43 is disposed between the gas mixing tower 4 and the desulfurizing tower 5. SO arranged, the system can monitor and control SO in real time2The temperature of the mixed gas; meanwhile, the pressure before desulfurization can be monitored, and data is provided for measuring the pressure drop of the desulfurizer bed layer. The temperature is usually maintained at 45-95 deg.C, and the pressure is usually maintained at 8-10 kpa.
Referring to fig. 1 and 2, as an alternative embodiment, the desulfurization tower 5 internally comprises a first perforated tray 51, a second perforated tray 52 and a third perforated tray 53 which are arranged in sequence from top to bottom; the desulfurizing tower 5 is connected with a water supplementing device 54; the water replenishing device 54 includes a metering pump 55. So arranged, the desulfurizing agent to be tested can be filled between the first porous structure tower plate 51 and the second porous structure tower plate 52, and inert filler is filled between the second porous structure tower plate 52 and the third porous structure tower plate 53. And the water supplementing device 54 and the metering pump 55 are arranged, so that water to be supplemented can enter the desulfurization bed layer after being uniformly distributed through inert fillers according to a determined amount.
Referring to fig. 1, as an alternative embodiment, a second condensation discharge port 56 is arranged at the bottom of the desulfurization tower 5. With this arrangement, the condensed water in the desulfurizing tower 5 can be discharged after the test is finished.
Referring to FIG. 1, as an alternative embodiment, the detecting SO2The system for the performance of the fine desulfurizing agent also comprises a heat exchanger 9, and the heat exchanger and the desulfurizing tower 5 are arranged at two sides of a second sampling port 8; and a third condensate outlet 91 is arranged at the bottom of the heat exchanger 9 and is connected with a flow meter 92. SO set up, can carry out timely cooling treatment with the mist after the test to will the water of condensation in the heat exchanger 9 in time discharges, just the flowmeter 92 can be used to test flue gas flow, and regulates and control SO more accurately according to flue gas flow2The amount of (A) to (B).
The system of the present invention is now used to target two SOs2The performance of the fine desulfurization agents (desulfurization agent a and desulfurization agent b) was measured, wherein the sample information, experimental conditions, recorded data, and the measurement results are shown in tables 1 and 2, respectively.
Wherein, the temperature and pressure data measured by I, II and III in tables 1 and 2 respectively correspond to the data measured by the first temperature and pressure measuring device 34, the second temperature and pressure measuring device 43 and the third temperature and pressure measuring device 57.
TABLE 1 results of desulfurization agent a-related experiments
TABLE 2 desulfurization agent b-related experimental results
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. Detect SO2The system for the performance of the fine desulfurizer is characterized by comprising a liquefying device (1), a combustion chamber (2), a cooling tower (3), a gas mixing tower (4) and a desulfurizing tower (5) which are connected in sequence; the system also comprises an air pump (6) and an SO2A storage device (41), a first sampling port (7) and a second sampling port (8); the air pump (6) is arranged between the cooling tower (3) and the gas mixing tower (4); the SO2The storage device (41) is connected with the gas mixing tower (4); the first sampling port (7) is arranged between the gas mixing tower (4) and the desulfurizing tower (5); the second sampling port (8) and the first sampling port (7) are respectively arranged at two sides of the desulfurizing tower (5).
2. Detection SO according to claim 12System for the performance of fine desulphurizers, characterized in that the cooling tower (3) comprises water spraying means (31).
3. Detection SO according to claim 22The system for the performance of the fine desulfurizing agent is characterized in that a water outlet pipe (32) is arranged at the bottom of the cooling tower (3),the water outlet pipe (32) is connected with the collecting tank (33).
4. Detection SO according to claim 12The system for the desulfurization performance of the fine desulfurization agent is characterized in that a first temperature measuring and pressure measuring device (34) is arranged between the cooling tower (3) and the gas mixing tower (4).
5. Detection SO according to claim 12The system for the performance of the fine desulfurizer is characterized in that a first discharging and condensing port (42) is arranged at the bottom of the gas mixing tower (4).
6. Detection SO according to claim 12The system for the performance of the fine desulfurizing agent is characterized in that a second temperature and pressure measuring device (43) is arranged between the gas mixing tower (4) and the desulfurizing tower (5).
7. Detection SO according to claim 12The system for the performance of the fine desulfurizer is characterized in that the inside of the desulfurizing tower (5) comprises a first porous structure tower plate (51), a second porous structure tower plate (52) and a third porous structure tower plate (53) which are sequentially arranged from top to bottom; the desulfurizing tower (5) is connected with a water supplementing device (54); the water replenishing device (54) comprises a metering pump (55).
8. Detection SO according to claim 12The system for the performance of the fine desulfurizing agent is characterized in that a second discharging and condensing port (56) is arranged at the bottom of the desulfurizing tower (5).
9. Detection SO according to claim 12The system for the performance of the fine desulfurizer is characterized by also comprising a heat exchanger (9) and the heat exchanger and the desulfurizing tower (5) are arranged at two sides of a second sampling port (8); and a third condensate draining port (91) is formed in the bottom of the heat exchanger (9) and is connected with a flowmeter (92).
10. Detection SO according to claim 92System for the performance of a fine desulphurizing agent, characterised in that the desulphurizing tower (5) is connected with the said desulphurizing agentA third temperature and pressure measuring device (57) is arranged between the heat exchangers (9).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911356144.XA CN110927348A (en) | 2019-12-25 | 2019-12-25 | Detect SO2System for fine desulfurizing agent performance |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911356144.XA CN110927348A (en) | 2019-12-25 | 2019-12-25 | Detect SO2System for fine desulfurizing agent performance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115634559A (en) * | 2021-12-31 | 2023-01-24 | 山东庚辰环保新材料有限公司 | Wet desulfurization device, process and application |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL294330A1 (en) * | 1990-11-10 | 1993-02-08 | Babcock Hitachi Kk | |
| CN204601984U (en) * | 2015-04-27 | 2015-09-02 | 河北建设勘察研究院有限公司 | A kind of desulfurization test device |
| US20170197180A1 (en) * | 2014-06-05 | 2017-07-13 | Meihua ZOU | Process and device for desulphurization and denitration of flue gas |
| CN211348141U (en) * | 2019-12-25 | 2020-08-25 | 山东庚辰环保新材料有限公司 | Detect SO2System for fine desulfurizing agent performance |
-
2019
- 2019-12-25 CN CN201911356144.XA patent/CN110927348A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL294330A1 (en) * | 1990-11-10 | 1993-02-08 | Babcock Hitachi Kk | |
| US20170197180A1 (en) * | 2014-06-05 | 2017-07-13 | Meihua ZOU | Process and device for desulphurization and denitration of flue gas |
| CN204601984U (en) * | 2015-04-27 | 2015-09-02 | 河北建设勘察研究院有限公司 | A kind of desulfurization test device |
| CN211348141U (en) * | 2019-12-25 | 2020-08-25 | 山东庚辰环保新材料有限公司 | Detect SO2System for fine desulfurizing agent performance |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115634559A (en) * | 2021-12-31 | 2023-01-24 | 山东庚辰环保新材料有限公司 | Wet desulfurization device, process and application |
| CN115634559B (en) * | 2021-12-31 | 2023-08-04 | 山东庚辰环保新材料有限公司 | Wet desulfurization device, process and application |
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