CN204265716U - One prevents desulfurization regeneration groove poisoning of catalyst device - Google Patents
One prevents desulfurization regeneration groove poisoning of catalyst device Download PDFInfo
- Publication number
- CN204265716U CN204265716U CN201420601538.3U CN201420601538U CN204265716U CN 204265716 U CN204265716 U CN 204265716U CN 201420601538 U CN201420601538 U CN 201420601538U CN 204265716 U CN204265716 U CN 204265716U
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- CN
- China
- Prior art keywords
- tank
- regeneration
- pipeline
- groove
- pump
- Prior art date
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- Expired - Fee Related
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/584—Recycling of catalysts
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- Gas Separation By Absorption (AREA)
Abstract
The utility model provides one and prevents the poisoning device of desulfurization regeneration groove catalysis, comprise rich solution groove, rich solution pump, regeneration tank, liquid level regulation device, lean solution groove, lean pump, remove thionizer pipeline, sulphur foam chute, sulphur foam pump, whizzer, desulfuration sulphur mold pipeline, it is characterized in that: bottom described regeneration tank, access gas pre-mixed device; Described gas pre-mixed device comprises oxygen flow setting device, pure oxygen vapourizing unit, gas mixing tank, air flow adjusting apparatus or removes regeneration tank premixed gas pipeline, described oxygen flow setting device is connected with described pure oxygen vapourizing unit, described pure oxygen vapourizing unit is communicated with described gas mixing tank, described gas mixing tank is provided with described air flow adjusting apparatus, removes regeneration tank premixed gas pipeline described in described gas mixing tank is also provided with.The utility model improves desulfuration efficiency, improves the repeating utilization factor of doctor solution, reduces catalyst levels, increases catalyst activity, can prevent poisoning of catalyst.
Description
Technical field
The utility model relates to field of chemical equipment, especially prevents desulfurization regeneration groove poisoning of catalyst device relevant with one.
Background technology
Current domestic coal combustion gas mainly adopts wet oxidation process to remove H
2s, method is various, and as preposition desulfurization, desulfurization etc. before blower fan, described basic ideas how to make full use of alkali source, and the choice and application for catalyzer does not then obtain enough attention.Adopt three core phthalocyanine cobalt sulfonate metal-polymers as catalyst desulfurization, although effect makes moderate progress, but still there is doctor solution intoxicating phenomenon, so that impact is produced, doctor solution must be discharged in a large number, how more catalyst changeout and soda ash etc., solve above-mentioned deficiency, improves desulfuration efficiency, improve the repeating utilization factor of doctor solution, reduce catalyst levels, prevent poisoning of catalyst, become a problem demanding prompt solution.
Utility model content
The utility model provides one to prevent desulfurization regeneration groove poisoning of catalyst device, has solved above-mentioned prior art not enough, improves desulfuration efficiency, improves the repeating utilization factor of doctor solution, reduces catalyst levels, increases catalyst activity, prevents poisoning of catalyst.
The purpose of this utility model is realized by following scheme:
One prevents the poisoning device of desulfurization regeneration groove catalysis, comprise rich solution groove, rich solution pump, regeneration tank, liquid level regulation device, lean solution groove, lean pump, remove thionizer pipeline, sulphur foam chute, sulphur foam pump, whizzer, desulfuration sulphur mold pipeline, bottom described regeneration tank, access gas pre-mixed device; Described gas pre-mixed device comprises oxygen flow setting device, pure oxygen vapourizing unit, gas mixing tank, air flow adjusting apparatus or removes regeneration tank premixed gas pipeline, described oxygen flow setting device is connected with described pure oxygen vapourizing unit, described pure oxygen vapourizing unit is communicated with described gas mixing tank, described gas mixing tank is provided with described air flow adjusting apparatus, removes regeneration tank premixed gas pipeline described in described gas mixing tank is also provided with.
Further, described oxygen flow setting device is low-temperature liquid oxygen pump.
Further, described air flow adjusting apparatus is air compressor.
The beneficial effect of technique scheme is:
By the technical solution of the utility model, bottom regeneration tank, pass into premixed gas, the soda ash output of regeneration tank can be increased, reduce the add-on of fresh soda, improve the utilization ratio of material; Pure oxygen enhances catalyst activity after adding regeneration tank, strengthens flotation, decreases the deposition of sulphur, improves the quality of doctor solution, avoids the poisoning of catalyzer; Sweetener steady running can be ensured, reduce because the environmental pollution caused after poisoning of catalyst.
Accompanying drawing explanation
Fig. 1 is the structural representation of anti-doctor solution regeneration tank poisoning of catalyst device of the present utility model.
Fig. 2 is the structural representation of gas pre-mixed device of the present utility model
In figure: 1, rich solution groove; 11, rich solution pump; 2, regeneration tank; 21, liquid level regulation device; 3, lean solution groove; 31, lean pump; 32, thionizer pipeline is removed; 4, gas pre-mixed device; 41, oxygen flow setting device; 42, pure oxygen vapourizing unit; 43, gas mixing tank; 44, air flow adjusting apparatus; 45, regeneration tank premixed gas pipeline is removed; 5, sulphur foam chute; 51, sulphur foam pump; 52, whizzer; 53, desulfuration sulphur mold pipeline.
Embodiment
As shown in Figure 1, one prevents the poisoning device of desulfurization regeneration groove catalysis, comprise rich solution groove 1, rich solution pump 11, regeneration tank 2, liquid level regulation device 21, lean solution groove 3, lean pump 31, remove thionizer pipeline 32, sulphur foam chute 5, sulphur foam pump 51, whizzer 52, desulfuration sulphur mold pipeline 53, bottom described regeneration tank 2, access gas pre-mixed device 4; Described gas pre-mixed device 4 comprises oxygen flow setting device 41, pure oxygen vapourizing unit 42, gas mixing tank 43, air flow adjusting apparatus 44 or removes regeneration tank premixed gas pipeline 45, described oxygen flow setting device 41 is connected with described pure oxygen vapourizing unit 42, described pure oxygen vapourizing unit 42 is communicated with described gas mixing tank 43, described gas mixing tank 43 is provided with described air flow adjusting apparatus 44, removes regeneration tank premixed gas pipeline described in described gas mixing tank 43 is also provided with.
Described oxygen flow setting device 41 is low-temperature liquid oxygen pump.
Described air flow adjusting apparatus 44 is air compressor.
For making feature of the present utility model and advantage clearly, be described below in conjunction with specific embodiment.
Doctor solution (rich solution) containing a large amount of inorganic sulfur is pumped in regeneration tank 2 by rich solution pump 11 from rich solution groove 1, under catalyzer existent condition, carries out regenerative sulfur binding; Remove the doctor solution after inorganic sulfur (lean solution) and enter lean solution groove 3 by liquid level regulation device 21, through lean pump 31 with go thionizer pipeline 32 to enter thionizer, after forming rich solution, enter rich solution groove 1.
Produce a large amount of sulfur granules in regeneration tank 2, form foam by method for floating, enter sulphur foam chute 5, the particle that described sulphur foam chute 5 top is formed directly enters two-stage centrifugal machine 52; Form the particle containing liquid bottom described sulphur foam chute 5, pump into first-stage centrifugal machine 52 via sulphur foam pump 51, the dry sulphur of centrifugal rear formation, by desulfuration sulphur mold pipeline 53, form product.
Chemical equation in rich solution regenerative process is as follows:
2NaHS+O
2=2NaOH+2S (1)
Na
2CO
2S+O
2= Na
2CO
3+2S (2)
NaHCO
3+ NaOH= Na
2CO
3+H
2O (3)
Following side reaction is also there is in rich solution regenerative process:
2NaHS+2 O
2= Na
2S
2O
3+ H
2O (4)
2Na
2S
2O
3+ O
2= Na
2SO
4+2S (5)
Na
2CO
3+HCN=NaCN+ NaHCO
3(6)
NaCN+S= NaCNS (7)
From above-mentioned (1) ~ (7), gas pre-mixed device 4 can accelerate by driving a reaction, NaHCO
3content increases, and has promoted the acceleration of reaction (3), and regeneration tank 2 class soda ash growing amount increases, and improves utilization of materials; NaHCO
3consume fast with the material that soda ash etc. suppresses sulphur simple substance to be grown up, suspension sulfur granules stable molding, easier flotation, the reduction more remarkable in prior art of regeneration tank 2 inner suspension sulphur content, sulphur foam is more easily separated out, and desulfuration efficiency promotes.
As can be seen here, rich solution regenerative process oxygen level directly affects content of suspension sulfur in regeneration tank 2.
The liquid oxygen that the technical solution of the utility model adopts air separation plant to prepare is oxygen source, via oxygen flow setting device 41, by pure oxygen vapourizing unit 42 for gas mixing tank 43 provides oxygen, air flow adjusting apparatus 44 provides air for described gas mixing tank 43, reduce pure oxygen cost of use, described oxygen flow setting device 41 or air flow adjusting apparatus 44 can be opened separately, also can open simultaneously, determine according to regeneration tank 2 response situation, pure oxygen is no more than 1:6 with volume of air ratio, and after mixing, temperature is lower than 50 DEG C; When occurring that doctor solution is a bit darkish in color in regeneration tank 2, pure oxygen can be opened separately, improving catalyst activity, preventing poisoning of catalyst; Going regeneration tank premixed gas pipeline 45 for regulating the gas volume entered in regeneration tank 2, improving doctor solution quality.
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (3)
1. one kind prevents the poisoning device of desulfurization regeneration groove catalysis, comprise rich solution groove, rich solution pump, regeneration tank, liquid level regulation device, lean solution groove, lean pump, remove thionizer pipeline, sulphur foam chute, sulphur foam pump, whizzer, desulfuration sulphur mold pipeline, it is characterized in that: bottom described regeneration tank, access gas pre-mixed device; Described gas pre-mixed device comprises oxygen flow setting device, pure oxygen vapourizing unit, gas mixing tank, air flow adjusting apparatus or removes regeneration tank premixed gas pipeline, described oxygen flow setting device is connected with described pure oxygen vapourizing unit, described pure oxygen vapourizing unit is communicated with described gas mixing tank, described gas mixing tank is provided with described air flow adjusting apparatus, removes regeneration tank premixed gas pipeline described in described gas mixing tank is also provided with.
2. according to claim 1ly prevent the poisoning device of desulfurization regeneration groove catalysis, it is characterized in that: described oxygen flow setting device is low-temperature liquid oxygen pump.
3. according to claim 1ly prevent the poisoning device of desulfurization regeneration groove catalysis, it is characterized in that: described air flow adjusting apparatus is air compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420601538.3U CN204265716U (en) | 2014-10-17 | 2014-10-17 | One prevents desulfurization regeneration groove poisoning of catalyst device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420601538.3U CN204265716U (en) | 2014-10-17 | 2014-10-17 | One prevents desulfurization regeneration groove poisoning of catalyst device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204265716U true CN204265716U (en) | 2015-04-15 |
Family
ID=52800594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420601538.3U Expired - Fee Related CN204265716U (en) | 2014-10-17 | 2014-10-17 | One prevents desulfurization regeneration groove poisoning of catalyst device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204265716U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105561633A (en) * | 2015-12-29 | 2016-05-11 | 甘肃银光聚银化工有限公司 | Automatic flushing device for regeneration tank overflow weir |
-
2014
- 2014-10-17 CN CN201420601538.3U patent/CN204265716U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105561633A (en) * | 2015-12-29 | 2016-05-11 | 甘肃银光聚银化工有限公司 | Automatic flushing device for regeneration tank overflow weir |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20191017 |