CN105136632A - Sulphur dust detection device for sulphur production workshop - Google Patents
Sulphur dust detection device for sulphur production workshop Download PDFInfo
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- CN105136632A CN105136632A CN201510453573.4A CN201510453573A CN105136632A CN 105136632 A CN105136632 A CN 105136632A CN 201510453573 A CN201510453573 A CN 201510453573A CN 105136632 A CN105136632 A CN 105136632A
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- cylinder body
- sulphur
- dust
- sodium hydroxide
- hydroxide solution
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Abstract
The invention discloses a sulphur dust detection device for a sulphur production workshop. The sulphur dust detection device comprises a cylinder body connected to an inner wall of a sulphur production workshop, a sodium hydroxide solution is arranged in the cylinder body, the cylinder body is provided with a liquid outlet, a liquid outlet pipe, a sealing plug and a pH sensor, the liquid outlet is located at the bottom of the cylinder body, the liquid outlet is communicated with the liquid outlet pipe, the sealing plug is movably connected to the liquid outlet, an operation rod is connected to the sealing plug, the operation rod is higher than the level of the sodium hydroxide solution, and a detection head of the pH sensor is located in the sodium hydroxide solution. The pH sensor can detect a change rate of pH of the sodium hydroxide solution in the cylinder body and is convenient for determining if a concentration of sulphur dust suspension particles in a sulphur production workshop exceeds the standard. The sulphur dust detection device can be used for detecting sulphur dust suspension particles in a sulphur production workshop, does not detect all dust suspension particles and satisfies detection requirements on dust in a sulphur production workshop.
Description
Technical field
The present invention relates to the technical field measuring concentration of suspended particles, be specifically related to the measurement of sulfur cream workshop dust concentration of suspended particles.
Background technology
Sulphur another name sulphur, colloid sulphur, Sulfur block, be yellow solid or powder, have obvious smell, water insoluble.For inflammable solid, sulphur is mainly for the manufacture of dyestuff, agricultural chemicals, match, gunpowder, rubber, rayon etc.Sulphur powder mixes with air or oxygenant and easily burns, and even explodes.
Therefore the workshop of sulphur needs the strict concentration controlling sulphur powder suspended particle, it is necessary firstly that detect the sulfur dust in sulfur cream workshop.In the production of sulphur, sulphur ore deposit can be adopted as raw material, polytype dust can be produced, except sulfur dust, also can produce the dust such as soil, sand, iron oxide, cement, quartz.Wherein, sulfur dust is combustible dust, and the dust such as soil, sand, iron oxide, cement, quartz are incombustibility dust, and incombustibility dust chemistry Nature comparison is stablized, nonflammable, also just not easily sets off an explosion.Therefore in sulfur cream workshop, what need to detect concentration of suspended particles is only sulfur dust.
Although there are now many dust investigatings, detect to as if in whole dust of suspended state, instead of the flammable sulfur dust in suspended state, can not meet the testing requirement of sulfur cream workshop dust.
Summary of the invention
The invention provides the pick-up unit of a kind of sulfur cream workshop sulfur dust, to solve the problem that common dust investigating can not only detect the sulfur dust of suspended state in sulfur cream workshop.
For achieving the above object, basic technical scheme one of the present invention is as follows: the pick-up unit of a kind of sulfur cream workshop sulfur dust, comprise the cylinder body be connected on the interior wall of sulfur cream workshop, sodium hydroxide solution is loaded with in cylinder body, cylinder body is provided with leakage fluid dram, discharging tube, sealing-plug and ph value sensor, leakage fluid dram is positioned at the bottom of cylinder body, discharging tube is communicated with leakage fluid dram, sealing-plug is flexibly connected with leakage fluid dram, sealing-plug is connected with control lever, control lever is higher than the liquid level of sodium hydroxide solution, and the detection head of ph value sensor is positioned at sodium hydroxide solution.
The principle of this programme is: in sulfur cream workshop, and there is the dust such as sulphur, soil, sand, iron oxide, cement, quartz, dust can fly away everywhere, then falls on the ground or in cylinder body.But only have sulphur can react with sodium hydroxide solution, reaction equation is (2X+2) S+6NaOH=Na2S2O3+2Na2Sx+3H2O, and in cylinder body, the ph value of sodium hydroxide solution also can change, and detects by ph value sensor.
Compared with prior art, the invention has the advantages that: 1, be loaded with sodium hydroxide solution in cylinder body, because only having sulfur dust can react with NaOH in sulfur cream workshop, therefore in cylinder body, sodium hydroxide solution ph value is only relevant to sulfur dust, is filtered out the interference of other dust.2, cylinder body is provided with leakage fluid dram and discharging tube, convenient by the waste liquid discharge in cylinder body.3, cylinder body there is the ph value sensor for detecting sodium hydroxide solution ph value, ph value sensor can check the rate of change of sodium hydroxide solution ph value and ph value in cylinder body, and convenient and safe responsible official judges whether the concentration of sulfur dust suspended particle in sulfur cream workshop exceeds standard.The present invention only detects sulfur dust suspended particle in sulfur cream workshop, can not detect, meet the testing requirement of sulfur cream workshop dust to whole dust in suspended state.
For achieving the above object, present invention also offers a kind of technical scheme (i.e. basic technical scheme two) as follows: comprise the cylinder body be connected on the interior wall of sulfur cream workshop, sodium hydroxide solution and phenolphthalein liquid is loaded with in cylinder body, cylinder body is provided with leakage fluid dram, discharging tube and sealing-plug, leakage fluid dram is positioned at the bottom of cylinder body, and discharging tube is communicated with leakage fluid dram, and sealing-plug is flexibly connected with leakage fluid dram, sealing-plug is connected with control lever, and control lever is higher than the liquid level of sodium hydroxide solution.
The principle of this programme is: when in cylinder body, the ph value of sodium hydroxide solution changes, and the color of phenolphthalein liquid also can change (phenolphthalein for colourless, is aubergine in acidity and neutral solution in alkaline solution).
Compared with prior art, the invention has the advantages that: 1, be loaded with sodium hydroxide solution in cylinder body, because only having sulfur dust can react with NaOH in sulfur cream workshop, therefore in cylinder body, sodium hydroxide solution ph value is only relevant to sulfur dust, is filtered out the interference of other dust.2, cylinder body is provided with leakage fluid dram and discharging tube, convenient by the waste liquid discharge in cylinder body.3, there is phenolphthalein liquid in the sodium hydroxide solution in cylinder body, indicate the ph value of the sodium hydroxide solution in cylinder body more directly perceived with phenolphthalein liquid.
Preferred version 1, this programme is that the concentration of described sodium hydroxide solution is less than 2mol/L based on basic technical scheme one or basic technical scheme two.The sodium hydroxide solution of more than 2mol/L is the sodium hydroxide solution that concentration is higher, and corrosivity is comparatively strong, in use, easily causes the accident.
Preferred version 2, this programme is based on preferred version 1, described cylinder body is made up of PPS plastics, PPS plastics and polyphenylene sulfide, a kind of thermoplastic special engineering plastic of excellent combination property, its outstanding feature is high temperature resistant, and corrosion-resistant and superior mechanical property, makes cylinder body possess longer serviceable life.
Accompanying drawing explanation
Fig. 1 is the structural representation of the pick-up unit embodiment 1 of sulfur cream workshop of the present invention sulfur dust.
Fig. 2 is the structural representation of the pick-up unit embodiment 2 of sulfur cream workshop of the present invention sulfur dust.
Embodiment
Below by embodiment, the present invention is further detailed explanation:
Reference numeral in Figure of description comprises: cylinder body 1, leakage fluid dram 2, discharging tube 3, spring sealed plug 4, ph value sensor 5, detection head 6.
Embodiment 1
Embodiment is substantially as shown in Figure 1: the pick-up unit of a kind of sulfur cream workshop sulfur dust, comprises cylinder body 1, and on the interior wall in sulfur cream workshop, nail has support body, and cylinder body 1 is positioned on support body, and the height of support body is equal with the height of discharging opening in sulfur cream workshop.Be loaded with the sodium hydroxide solution (ph value is 13) of 0.1mol/L in cylinder body 1, in order to prevent NaOH from being corroded by cylinder body 1, cylinder body 1 is made up of PPS plastics.Cylinder body 1 is provided with leakage fluid dram 2, discharging tube 3, spring sealed plug 4 and ph value sensor 5.Leakage fluid dram 2 is positioned at the bottom of cylinder body 1, and discharging tube 3 is communicated with leakage fluid dram 2.Spring sealed plug 4 is connected with leakage fluid dram 2, and (click spring sealed plug 4 can upspring, liquid can be discharged between leakage fluid dram 2 and spring sealed plug 4; Click spring sealed plug 4 again can fall, realize the sealing between spring sealed plug 4 and leakage fluid dram 2), spring sealed plug 4 is connected with control lever, and control lever is higher than the liquid level of sodium hydroxide solution.The detection head 6 of ph value sensor 5 is positioned at sodium hydroxide solution.
When using the present embodiment, need within every six hours, change a sodium hydroxide solution.The process changed is as follows: first spring sealed plug 4 pressed by hand-held control lever, and waste liquid can be discharged in cylinder body 1 along leakage fluid dram 2 and discharging tube 3; Spring sealed plug 4 pressed again by hand-held bar again, and leakage fluid dram 2 is sealed by spring sealed plug 4; Finally pour the sodium hydroxide solution of fresh 0.1mol/L into.
In sulfur cream workshop, there is the dust such as sulphur, soil, sand, iron oxide, cement, quartz, dust can fly away in atmosphere everywhere, then falls on the ground or in cylinder body 1.The dust such as soil, sand, iron oxide, cement, quartz are incombustibility dust, safer comparatively speaking.Sulfur dust is breakneck in atmosphere, when the sulfur dust in air reaches lower explosive limit, is just easy to blast.The lower explosive limit value of sulphur powder is 2.3 grams every cube by we, and namely exceed sulphur powder in suspended state more than 2.3 grams every cube, we just think breakneck.
In the present embodiment, cylinder body 1 is built with the sodium hydroxide solution of 0.1mol/L, only have sulphur can react with sodium hydroxide solution, reaction equation is (2X+2) S+6NaOH=Na2S2O3+2Na2Sx+3H2O, when there being sulphur powder to fall in cylinder body 1, in cylinder body 1, the ph value of sodium hydroxide solution also can change.When in 6 hours, when in cylinder body 1, the ph value of solution and the changing down of ph value exceed corresponding numerical value, will there is the danger of blast in sulfur cream workshop.Safety director need take appropriate measures: reduce production efficiency, shutdown or water spray and carry out pressure dirt etc., avoid the generation of explosion disaster.
Following factor should be considered: the speed of air flowing in sulfur cream workshop to the regulation of the ph value of solution in cylinder body 1 and the changing down of ph value, the number of process units discharging opening, the absolute altitude of cylinder body 1, the height relative to process units discharging opening of cylinder body 1, the distance of cylinder body 1 and discharging opening, the size of cylinder body 1 opening part, the degree of depth of sodium hydroxide solution in cylinder body 1.
Embodiment 2
As shown in Figure 2, the difference part of the present embodiment and embodiment 1 is: do not use ph value sensor 5, but add phenolphthalein liquid in the sodium hydroxide solution of 0.1mol/L.Phenolphthalein is colourless in acidity and neutral solution, and be aubergine in alkaline solution, the change by color judges cylinder body 1 solution.
Although the present embodiment is not very accurately (if desired, can be equipped with ph test paper) to the instruction of ph value, but does not use ph value sensor 5, cost is lower, and more directly perceived.
Above-described is only embodiments of the invention, and in scheme, the general knowledge such as known concrete structure and characteristic does not do too much description at this.Should be understood that; for a person skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.The protection domain that this application claims should be as the criterion with the content of its claim, and the embodiment in instructions etc. record the content that may be used for explaining claim.
Claims (4)
1. the pick-up unit of a sulfur cream workshop sulfur dust, it is characterized in that, comprise the cylinder body be connected on the interior wall of sulfur cream workshop, sodium hydroxide solution is loaded with in cylinder body, cylinder body is provided with leakage fluid dram, discharging tube, sealing-plug and ph value sensor, leakage fluid dram is positioned at the bottom of cylinder body, discharging tube is communicated with leakage fluid dram, sealing-plug is flexibly connected with leakage fluid dram, sealing-plug is connected with control lever, control lever is higher than the liquid level of sodium hydroxide solution, and the detection head of ph value sensor is positioned at sodium hydroxide solution.
2. the pick-up unit of a sulfur cream workshop sulfur dust, it is characterized in that, it is characterized in that, comprise the cylinder body be connected on the interior wall of sulfur cream workshop, in cylinder body, be loaded with sodium hydroxide solution and phenolphthalein liquid, cylinder body is provided with leakage fluid dram, discharging tube and sealing-plug, leakage fluid dram is positioned at the bottom of cylinder body, and discharging tube is communicated with leakage fluid dram, and sealing-plug is flexibly connected with leakage fluid dram, sealing-plug is connected with control lever, and control lever is higher than the liquid level of sodium hydroxide solution.
3. the pick-up unit of sulfur cream workshop according to claim 1 and 2 sulfur dust, it is characterized in that, the concentration of described sodium hydroxide solution is less than 2mol/L.
4. the pick-up unit of sulfur cream workshop according to claim 3 sulfur dust, it is characterized in that, described cylinder body is made up of PPS plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510453573.4A CN105136632A (en) | 2015-07-29 | 2015-07-29 | Sulphur dust detection device for sulphur production workshop |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510453573.4A CN105136632A (en) | 2015-07-29 | 2015-07-29 | Sulphur dust detection device for sulphur production workshop |
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| CN105136632A true CN105136632A (en) | 2015-12-09 |
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| CN201510453573.4A Pending CN105136632A (en) | 2015-07-29 | 2015-07-29 | Sulphur dust detection device for sulphur production workshop |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101423198A (en) * | 2008-11-24 | 2009-05-06 | 贵州开磷（集团）有限责任公司 | Method for collecting sulfur dust by using low pressure supersaturated steam |
| CN203231977U (en) * | 2013-01-10 | 2013-10-09 | 爱环吴世(苏州)环保有限公司 | On-site rapid acid-alkali waste gas tester |
| CN103706302A (en) * | 2012-10-09 | 2014-04-09 | 天津泰士康工贸有限公司 | Feeding unit before spray drying |
| CN104759176A (en) * | 2015-02-28 | 2015-07-08 | 孙盼峰 | Remote controllable dust removal system |
-
2015
- 2015-07-29 CN CN201510453573.4A patent/CN105136632A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101423198A (en) * | 2008-11-24 | 2009-05-06 | 贵州开磷（集团）有限责任公司 | Method for collecting sulfur dust by using low pressure supersaturated steam |
| CN103706302A (en) * | 2012-10-09 | 2014-04-09 | 天津泰士康工贸有限公司 | Feeding unit before spray drying |
| CN203231977U (en) * | 2013-01-10 | 2013-10-09 | 爱环吴世(苏州)环保有限公司 | On-site rapid acid-alkali waste gas tester |
| CN104759176A (en) * | 2015-02-28 | 2015-07-08 | 孙盼峰 | Remote controllable dust removal system |
Non-Patent Citations (1)
| Title |
|---|
| 旷玲: "实用硫磺纯度测定法", 《广西化工》 * |
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Application publication date: 20151209 |