CN214345399U - Air-tight sampler emptying purifier for methanol synthesis gas desulfurization purification section - Google Patents
Air-tight sampler emptying purifier for methanol synthesis gas desulfurization purification section Download PDFInfo
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- CN214345399U CN214345399U CN202022784034.8U CN202022784034U CN214345399U CN 214345399 U CN214345399 U CN 214345399U CN 202022784034 U CN202022784034 U CN 202022784034U CN 214345399 U CN214345399 U CN 214345399U
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Abstract
The utility model provides a gaseous airtight sample thief evacuation clarifier of methyl alcohol synthetic gas desulfurization purification workshop section, including the purifying tank, the inboard of purifying tank is equipped with the circular steel tube, the air inlet fixed connection of clamp and purifying tank is opened soon through the second to the one end of circular steel tube, first support silk screen and second support silk screen are installed in proper order to the outside-in on the outer wall of circular steel tube, be equipped with between first support silk screen and the second support silk screen and adsorb the filler. The utility model discloses a first support silk screen and second support silk screen support and adsorb the filler, can adsorb hydrogen sulfide and organic sulfur in the tail gas through adsorbing the filler, realize the purification of tail gas, reduce environmental pollution, satisfy tail gas purification's requirement.
Description
Technical Field
The utility model mainly relates to the technical field of gas purification equipment, in particular to a gas airtight sampler emptying purifier for a methanol synthesis gas desulfurization purification section.
Background
The removal of sulfur is a key in methanol production, and because sulfur can cause permanent poisoning of a copper-based methanol synthesis catalyst, the requirement of the methanol production on the sulfur content is strict, the removal of trace sulfur becomes a key to the stable operation of a methanol device, and for example, a 20 ten thousand ton/year methanol production device is taken as an example, the mass fraction of sulfur in feed gas required by the catalyst is less than or equal to 0.1 multiplied by 10 < -6 >.
The fine desulfurization production process is a typical 'sandwich cake' process, namely, a fine desulfurization tower is arranged in front and at the back, a hydrolysis tower is arranged in the middle, raw material gas subjected to decarburization enters a pre-desulfurization tower, meanwhile, less than a small amount of steam and air exist, a normal-temperature fine desulfurization catalyst is arranged in the pre-desulfurization tower, inorganic sulfur (H2S) is mainly removed, the raw material gas is heated to 80 ℃ by a preheater and enters a hydrolysis tower, a hydrolysis agent is arranged in the hydrolysis tower, organic sulfur (mainly COS) is hydrolyzed into inorganic sulfur, the inorganic sulfur is cooled to 30 ℃ by a water cooler and enters the fine desulfurization tower, further desulfurization is carried out until the total sulfur mass fraction of the raw material gas at the outlet of the tower is less than or equal to 0.1 multiplied by 10 < -6 >, then the raw material gas enters a compression synthesis section, a purification section carries out sampling analysis on the gas before and after fine desulfurization according to process requirements, a closed sampler with a circulation loop is adopted in order to ensure that the sample is representative, evacuation and completion sampling three processes have the gas that contains hydrogen sulfide and organic sulphur and emit into the atmosphere and cause environmental pollution in the evacuation in-process, need can handle this tail gas to the clarification plant that inorganic sulphur and organic sulphur all have adsorption capacity.
SUMMERY OF THE UTILITY MODEL
The utility model mainly provides a gas airtight sampler emptying purifier for a methanol synthesis gas desulfurization purification section, which is used for solving the technical problem provided in the background technology.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
the utility model provides a gaseous airtight sample thief evacuation purifier of methyl alcohol synthetic gas desulfurization purification workshop section, includes the purifying tank, the inboard of purifying tank is equipped with the circular steel tube, the one end of circular steel tube is passed through the second and is opened clamp and purifying tank's air inlet end fixed connection soon, first support silk screen and second support silk screen are installed in proper order to outside-in on the outer wall of circular steel tube, be equipped with between first support silk screen and the second support silk screen and adsorb the filler.
Preferably, one end of the purification tank is provided with a sealing cover, and one end of the sealing cover is connected with the purification tank through a first quick-opening clamp.
Preferably, the outer walls of the gas inlet and outlet ends of the purification tank are provided with flanges.
Preferably, a plurality of through holes are uniformly distributed on the peripheral wall of the round steel tube.
Preferably, the first supporting wire net and the second supporting wire net are both cylindrical structures, and the diameters of the first supporting wire net and the second supporting wire net are 114mm and 52mm respectively.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model supports the adsorption filler through the first support silk screen and the second support silk screen, and can adsorb hydrogen sulfide and organic sulfur in tail gas through the adsorption filler, thereby realizing the purification of the tail gas, reducing the environmental pollution and meeting the requirement of tail gas purification; can realize the quick assembly disassembly of sealed lid through first quick-open clamp, be convenient for change and adsorb the filler.
The present invention will be explained in detail with reference to the drawings and specific embodiments.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a sectional view of the structure of the purification tank of the present invention.
In the figure: 1. a purification tank; 11. a sealing cover; 12. a flange; 2. a second quick-opening clamp; 3. A first quick-open clamp; 4. adsorbing the filler; 5. a first supporting wire mesh; 6. a second supporting wire mesh; 7. round steel pipes; 71. and a through hole.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
In the embodiment, please refer to fig. 1 and 2, a gas closed sampler emptying purifier in a methanol synthesis gas desulfurization purification section comprises a purification tank 1, a circular steel tube 7 is arranged inside the purification tank 1, one end of the circular steel tube 7 is fixedly connected with an air inlet end of the purification tank 1 through a second quick-opening clamp 2, a first supporting screen 5 and a second supporting screen 6 are sequentially arranged on an outer wall of the circular steel tube 7 from outside to inside, an adsorption filler 4 is supported through the first supporting screen 5 and the second supporting screen 6, the adsorption filler 4 is arranged between the first supporting screen 5 and the second supporting screen 6, the adsorption filler 4 is made of a mesoporous modified material capable of adsorbing hydrogen sulfide and organic sulfur, flanges 12 are arranged on outer walls of air inlet and outlet ends of the purification tank 1, the air inlet end of the purification tank 1 is connected with an air outlet of the closed sampler through the flanges 12, a plurality of through holes 71 are uniformly distributed on the outer peripheral wall of the circular steel tube 7, first support silk screen 5 and second support silk screen 6 are tubular structure, just first support silk screen 5 and second support silk screen 6's diameter is 114mm and 52mm respectively, uses the utility model discloses accomplish the tail gas purification experiment, at first dispose the feed gas, specific parameter can refer to table 1:
TABLE 1 feed gas parameters
| N2 | H2 | Hydrogen sulfide | Dimethyl sulfide | COS |
| Balance gas | 3.7％ | 50ppm | 250ppm | 250ppm |
The test parameters were as follows:
TABLE 2 test parameters
| Loading of adsorbent | Mass of adsorbent | Experiment airspeed | Temperature of experiment | Run time |
| 60ml | 4.6083g | 400h-1 | 40℃ | 36.5 hours |
When the closed sampler operates, gas components at the gas outlet of the purification tank 1 are detected and recorded, and the gas components at the gas outlet are recorded as follows:
TABLE 3 gas composition at the outlet
From above-mentioned test data can see, when equipment operation duration is less than 9 hours, hydrogen sulfide and organic sulfur in can effectual absorption tail gas realize the purification of tail gas, reduce environmental pollution, satisfy tail gas purification's requirement, but operation duration is too long, though can also effectual absorption hydrogen sulfide and COS, but the adsorption effect of dimethyl sulfide is low, is unfavorable for tail gas purification, should in time change and adsorb filler 4.
In an embodiment, referring to fig. 1 and 2, a sealing cover 11 is disposed at one end of the purification tank 1, one end of the sealing cover 11 is connected to the purification tank 1 through a first quick-opening clamp 3, and the sealing cover 11 can be quickly disassembled and assembled through the first quick-opening clamp 3, so that the adsorption filler 4 can be conveniently replaced.
The utility model discloses a concrete operation as follows:
firstly, a purification tank 1 is arranged at an exhaust port of a closed sampler, an air inlet of the purification tank 1 is connected with the exhaust port of the closed sampler through a flange 12, and when the closed sampler exhausts, raw gas can firstly enter the purification tank 1 to adsorb hydrogen sulfide and organic sulfur in tail gas through an adsorption filler 4, so that the purification of the tail gas is realized, and the environmental pollution is reduced.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.
Claims (5)
1. The utility model provides a gaseous airtight sample thief evacuation purifier of methyl alcohol synthetic gas desulfurization purification workshop section, includes purifying tank (1), its characterized in that, the inboard of purifying tank (1) is equipped with circular steel tube (7), the one end of circular steel tube (7) is passed through the second and is opened clamp (2) and the air inlet end fixed connection of purifying tank (1) soon, first support silk screen (5) and second support silk screen (6) are installed in proper order to the outside-in on the outer wall of circular steel tube (7), be equipped with between first support silk screen (5) and second support silk screen (6) and adsorb filler (4).
2. The gas closed sampler emptying purifier for the methanol synthesis gas desulfurization purification section as claimed in claim 1, wherein one end of the purification tank (1) is provided with a sealing cover (11), and one end of the sealing cover (11) is connected with the purification tank (1) through a first quick-opening clamp (3).
3. The gas closed sampler emptying purifier for the methanol synthesis gas desulfurization purification section according to claim 1, wherein flanges (12) are mounted on the outer walls of the gas inlet and outlet ends of the purification tank (1).
4. The gas-tight sampler emptying purifier for the methanol synthesis gas desulfurization and purification section as claimed in claim 1, wherein a plurality of through holes (71) are uniformly distributed on the outer peripheral wall of the circular steel tube (7).
5. The gas closed sampler emptying purifier for the methanol synthesis gas desulfurization purification section according to claim 1, wherein the first supporting wire mesh (5) and the second supporting wire mesh (6) are both of cylindrical structures, and the diameters of the first supporting wire mesh (5) and the second supporting wire mesh (6) are 114mm and 52mm respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022784034.8U CN214345399U (en) | 2020-11-25 | 2020-11-25 | Air-tight sampler emptying purifier for methanol synthesis gas desulfurization purification section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022784034.8U CN214345399U (en) | 2020-11-25 | 2020-11-25 | Air-tight sampler emptying purifier for methanol synthesis gas desulfurization purification section |
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| Publication Number | Publication Date |
|---|---|
| CN214345399U true CN214345399U (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022784034.8U Active CN214345399U (en) | 2020-11-25 | 2020-11-25 | Air-tight sampler emptying purifier for methanol synthesis gas desulfurization purification section |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214345399U (en) |
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- 2020-11-25 CN CN202022784034.8U patent/CN214345399U/en active Active
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