CN203128197U - Absorption device for producing sulfur trioxide by utilizing gypsum - Google Patents
Absorption device for producing sulfur trioxide by utilizing gypsum Download PDFInfo
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- CN203128197U CN203128197U CN 201320006199 CN201320006199U CN203128197U CN 203128197 U CN203128197 U CN 203128197U CN 201320006199 CN201320006199 CN 201320006199 CN 201320006199 U CN201320006199 U CN 201320006199U CN 203128197 U CN203128197 U CN 203128197U
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- pipeline
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- sulfur trioxide
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Abstract
The utility model relates to an absorption device for producing sulfur trioxide by utilizing gypsum. The absorption device comprises an acid liquid pump and a liquid transporting pipe, wherein the liquid outlet of the acid liquid pump is connected with the liquid transporting pipe through a flange; the liquid transporting pipe is composed of three segment of pipelines, the front segment of the pipeline is in a cylindrical structure, the middle segment of the pipeline is in a tapered structure and the rear segment of the pipeline is also in the cylindrical structure; a gas pipe in which the sulfur trioxide gas is led in is arranged at the bonding position of the middle segment of the pipeline and the rear segment of the pipeline of the liquid transporting pipe; and a static mixer is arranged in the rear segment of the pipeline of the liquid transporting pipe. By utilizing the principle of venturi effect and matching the enhanced mixing function of the static mixer, the absorption quantity of sulfur trioxide in an absorption liquid is increased, wherein the absorption rate of sulfur trioxide is greater than or equal to 90%.
Description
Technical field
The novel absorption unit that relates to a kind of sulphur trioxide of this realization especially relates to a kind of absorption unit that utilizes gypsum to produce sulphur trioxide.
Background technology
In sulphuric acid process, the absorption of sulphur trioxide is generally adopted water directly to absorb or is adopted finite concentration sulfuric acid to absorb.When adopting finite concentration sulfuric acid absorption sulphur trioxide, can emit a large amount of heats, the severe corrosive of this heat and sulfuric acid can be accelerated the corrosion to the absorption tower material, and expellant gas is easy to sulfur trioxide gas is taken out of under the high temperature simultaneously; And water also can be emitted a large amount of heats when absorbing sulphur trioxide, easily produces acid mist, thus etching apparatus.In addition, this technology also is difficult to fully sulphur trioxide be absorbed, and the part sulphur trioxide can be discharged in the atmosphere, contaminate environment.
CN201660444U discloses a kind of fuming sulfuric acid system two-stage absorption unit on December 1st, 2010, this kind absorption unit comprises the nicotinic acid tower, the nicotinic acid tower is provided with two-stage absorption tower up and down, following first step absorption tower is connected to dense smoke acid circulation groove, top absorption tower, the second stage is connected to rare nicotinic acid circulation groove, absorb through two-stage, the specific absorption of sulphur trioxide can reach 60-65%, but specific absorption is still lower.
CN202164117U discloses a kind of sulphur trioxide absorption reaction device on March 14th, 2012, mainly comprise sulphur trioxide gas storage tower, reaction tower, liquid absorbing pump, reaction tower upper lateral part and sulphur trioxide gas storage tower pass through pipeline connection, the reaction tower top is provided with sulfuric acid fluid inlet, sprinkler head, liquid outlet, liquid return hole are arranged at the bottom, liquid return hole is communicated with sprinkler head by liquid absorbing pump, pipeline, also is provided with the pH sensor at the liquid return hole of reaction tower.This reaction unit increases sulfuric acid to the absorption of sulphur trioxide by absorbing sulfuric acid with circulation, and the defective of its existence is that whole process efficiency is too low, is difficult to realize industrialization.
Realize novel content
This realizes that novel technical problem to be solved is, a kind of difficult generation acid mist is provided, and the gypsum that utilizes that assimilated efficiency is high is produced the absorption unit of sulphur trioxide.
This realizes that the technical scheme that its technical problem of novel solution adopts is: a kind of absorption unit that utilizes gypsum to produce sulphur trioxide, comprise acid pump and tubing, the liquid outlet of described acid pump links to each other with tubing by flange, described tubing is made of three sections pipelines, the leading portion pipeline is column structure, the tapered structure of stage casing pipeline, be transition section, the back segment pipeline is column structure, the stage casing pipeline of described tubing and the binding site of back segment pipeline are provided with for the tracheae that feeds sulfur trioxide gas, are provided with static mixer in the back segment pipeline of described tubing.
Further, described leading portion pipeline is (1.5-3) with the ratio of the caliber of back segment pipeline: 1 (preferred 1.8-2.5:1).
Further, the outlet of described static mixer is provided with the acid solution discharge nozzle.
Working process: start acid pump, absorption liquid is under the effect of acid pump, through liquid outlet, injection enters tubing, and the stage casing pipeline of tubing makes the mobile generation Venturi effect of absorption liquid, produces negative pressuren zone at the tracheae place, sulphur trioxide is inhaled into tubing, and then under the effect of static mixer, sulfurous gas and absorption liquid react, and discharge by the acid solution discharge nozzle at last.
Described absorption liquid can be water or concentration greater than the sulphuric acid soln of 60wt%.
The novel principle of utilizing Venturi effect of this realization cooperates the enhancing mixed effect of static mixer, increases the absorbed dose of sulphur trioxide in absorption liquid, the specific absorption of sulphur trioxide 〉=90%.
Description of drawings
Fig. 1 is the structural representation of present embodiment.
Embodiment
Be described further this realization is novel below in conjunction with embodiment.
With reference to accompanying drawing, present embodiment comprises acid pump 1 and tubing 2, the liquid outlet of described acid pump 1 links to each other with tubing 2 by flange, described tubing 2 is made of three sections pipelines, and the leading portion pipeline is column structure, the tapered structure of stage casing pipeline, be transition section, the back segment pipeline is column structure, and the stage casing pipeline of described tubing 2 and the binding site of back segment pipeline are provided with for the tracheae 4 that feeds sulfur trioxide gas, are provided with static mixer 3 in the back segment pipeline of described tubing 2.
Described leading portion pipeline is 2:1 with the ratio of the caliber of back segment pipeline.
The outlet of described static mixer 3 is provided with acid solution discharge nozzle 5.
Working process: start acid pump 1, absorption liquid is under the effect of acid pump 1, through liquid outlet, injection enters tubing 2, and the transition section of tubing 2 makes the mobile generation Venturi effect of absorption liquid, produces negative pressuren zone at tracheae 4 places, sulphur trioxide is inhaled into tubing 2, and then under the effect of static mixer 3, sulfurous gas and absorption liquid react, and discharge by acid solution discharge nozzle 5 at last.
Described absorption liquid is water.Certainly, described absorption liquid also can be concentration greater than the sulphuric acid soln of 60wt%.
In the present embodiment, the specific absorption of sulphur trioxide reaches 90%.
Claims (3)
1. absorption unit that utilizes gypsum to produce sulphur trioxide, comprise acid pump and tubing, the liquid outlet of described acid pump links to each other with tubing by flange, it is characterized in that: described tubing is made of three sections pipelines, the leading portion pipeline is column structure, the tapered structure of stage casing pipeline, be transition section, the back segment pipeline is column structure, the stage casing pipeline of described tubing and the binding site of back segment pipeline are provided with for the tracheae that feeds sulfur trioxide gas, are provided with static mixer in the back segment pipeline of described tubing.
2. the absorption unit that utilizes gypsum to produce sulphur trioxide according to claim 1, it is characterized in that: described leading portion pipeline is (1.5-3) with the ratio of the caliber of back segment pipeline: 1.
3. the absorption unit that utilizes gypsum to produce sulphur trioxide according to claim 1 and 2, it is characterized in that: the outlet of described static mixer is provided with the acid solution discharge nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320006199 CN203128197U (en) | 2013-01-07 | 2013-01-07 | Absorption device for producing sulfur trioxide by utilizing gypsum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320006199 CN203128197U (en) | 2013-01-07 | 2013-01-07 | Absorption device for producing sulfur trioxide by utilizing gypsum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203128197U true CN203128197U (en) | 2013-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320006199 Expired - Fee Related CN203128197U (en) | 2013-01-07 | 2013-01-07 | Absorption device for producing sulfur trioxide by utilizing gypsum |
Country Status (1)
| Country | Link |
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| CN (1) | CN203128197U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103058147A (en) * | 2013-01-07 | 2013-04-24 | 刘立文 | Absorption device and method for producing sulfur trioxide by using gypsum |
-
2013
- 2013-01-07 CN CN 201320006199 patent/CN203128197U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103058147A (en) * | 2013-01-07 | 2013-04-24 | 刘立文 | Absorption device and method for producing sulfur trioxide by using gypsum |
| CN103058147B (en) * | 2013-01-07 | 2015-08-12 | 刘立文 | A kind of absorption unit and method utilizing gypsum production sulphur trioxide |
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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 |
Granted publication date: 20130814 Termination date: 20160107 |