CN105424537A - Detector of calcium hydroxide for rebreather - Google Patents
Detector of calcium hydroxide for rebreather Download PDFInfo
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- CN105424537A CN105424537A CN201510975934.1A CN201510975934A CN105424537A CN 105424537 A CN105424537 A CN 105424537A CN 201510975934 A CN201510975934 A CN 201510975934A CN 105424537 A CN105424537 A CN 105424537A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/02—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by absorbing or adsorbing components of a material and determining change of weight of the adsorbent, e.g. determining moisture content
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Abstract
The invention belongs to the technical field of apparatuses for performance detection of security devices for personal respiratory protection and particularly relates to a detector of calcium hydroxide for a rebreather. In the technical scheme, the detector includes a box body, a panel, an electronic scale, a drying tube I, a drying tube II, a U-shaped drying tube I, a U-shaped drying tube II, a U-shaped test tube I, a U-shaped test tube II, a digital flow meter I, a digital flow meter II, a flow rate regulation valve I and a flow rate regulation valve II. The detector can display all data directly, can provide intuitive detection results, is portable, is convenient to use, is more accurate and stable in gas flow rate regulation, achieves digitization and automation of detection of calcium hydroxide for the rebreather, and achieves quick, safe and effective detection.
Description
Technical field
The invention belongs to the device for detecting performance technical field of personal respiratory protection safety equipment, be specifically related to a kind of respirator calcium hydroxide detector.
Background technology
At present, at home on market, the detection of respirator calcium hydroxide performance also needs the instrument of various complexity, the mode adopting pipeline to connect one by one is combined and just can be detected, and this detection mode is not only complicated, and the detecting instrument assembly time is longer, accuracy of detection is not high, owing to also will use sulfuric acid when detecting, security performance is lower, and this just brings trouble to the detection that respirator calcium hydroxide is effective, quick, safe.Digitizing, robotization and rapid can not be realized to the detection of respirator calcium hydroxide performance.
Summary of the invention
The object of the invention is can realize digitizing, robotization, rapid detection for realizing respirator calcium hydroxide, and a kind of respirator calcium hydroxide detector is provided.
For achieving the above object, the technical solution used in the present invention is: a kind of respirator calcium hydroxide detector, wherein: comprise casing, panel, electronic balance, drying tube I, drying tube II, U-shaped drying tube I, U-shaped drying tube II, U-shaped developmental tube I, U-shaped developmental tube II, digital flowmeter I, digital flowmeter II, flow control valve I, flow control valve II; Described drying tube I is fixed on above the right side of panel, and described drying tube II correspondence is fixed on the lower right-hand side of panel; U-shaped drying tube I groove, U-shaped drying tube II groove, U-shaped developmental tube I groove, U-shaped developmental tube II groove is offered on described panel and between drying tube I and drying tube II; And described U-shaped drying tube I groove, U-shaped drying tube II groove are positioned at the left side of U-shaped developmental tube I groove, U-shaped developmental tube II groove; Described U-shaped drying tube I groove is positioned at the top of U-shaped drying tube II groove, and described U-shaped developmental tube I groove is positioned at the top of U-shaped developmental tube II groove; Described U-shaped drying tube I is fixed in U-shaped drying tube I groove, and described U-shaped drying tube II is fixed in U-shaped drying tube II groove, and described U-shaped developmental tube I is fixed in U-shaped developmental tube I groove, and U-shaped developmental tube II is fixed in U-shaped developmental tube II groove; Described electronic balance is fixed on the upper left side of panel, described digital flowmeter I, digital flowmeter II are fixed on the lower right of panel side by side, and be positioned at the below of drying tube II, described flow control valve I and flow control valve II to be fixed on side by side on panel and to correspond respectively to the below of digital flowmeter I and digital flowmeter II, total air intake opening is offered, the right flank lower end of casing and be that a line is provided with total gas outlet with total air intake opening in the right flank upper end of described casing; Described flow control valve I is connected with total air intake opening by flexible pipe with flow control valve II, and described digital flowmeter I is connected with flow control valve I and flow control valve II by flexible pipe respectively with digital flowmeter II; Described digital flowmeter I is connected by the air admission hole of flexible pipe with drying tube I, and described digital flowmeter II is connected by the air admission hole of flexible pipe with drying tube II; The venthole of described drying tube I is connected by the air admission hole of flexible pipe with U-shaped developmental tube I, and the venthole of described drying tube II is connected by the air admission hole of flexible pipe with U-shaped developmental tube II; The venthole of U-shaped developmental tube I is connected by the air admission hole of flexible pipe with U-shaped drying tube I, and the venthole of U-shaped developmental tube II is connected by the air admission hole of flexible pipe with U-shaped drying tube II; U-shaped drying tube I is connected with total venthole with the venthole of U-shaped drying tube II.
Compared with prior art, have the following advantages: the first, the present invention adopts liquid crystal indicator, and all data all can intuitively show, and testing result is directly perceived.The second, the present invention adopts integrated design, concentrates in a main frame casing, solve the portability of experimental facilities after being optimized and combined by all checkout equipments.3rd, the present invention adopts integrated form gas circuit to design, easy to detect.4th, the present invention adopts flow control valve to make the flow regulation of gas more precise and stable.5th, the present invention adopts activated charcoal to replace sulfuric acid gas washing, safe and efficient.6th, the present invention can realize digitizing, the robotization of the detection of respirator calcium hydroxide, realizes quick, safe and effective detection.
Accompanying drawing explanation
Fig. 1 is complete machine structure schematic diagram of the present invention.
Fig. 2 is panel construction schematic diagram of the present invention.
Fig. 3 is complete machine Cleaning Principle figure of the present invention.
Embodiment
As shown in Figure 1 and Figure 2, a kind of respirator calcium hydroxide detector of the present embodiment, wherein: comprise casing 1, panel 2, electronic balance 3, drying tube I4, drying tube II5, U-shaped drying tube I6, U-shaped drying tube II7, U-shaped developmental tube I8, U-shaped developmental tube II9, digital flowmeter I10, digital flowmeter II11, flow control valve I12, flow control valve II13; Described drying tube I4 is fixed on above the right side of panel 2, and described drying tube II5 correspondence is fixed on the lower right-hand side of panel 2; U-shaped drying tube I groove 16, U-shaped drying tube II groove 17, U-shaped developmental tube I groove 18, U-shaped developmental tube II groove 19 is offered on described panel 2 and between drying tube I4 and drying tube II5; And described U-shaped drying tube I groove 16, U-shaped drying tube II groove 17 are positioned at the left side of U-shaped developmental tube I groove 18, U-shaped developmental tube II groove 19; Described U-shaped drying tube I groove 16 is positioned at the top of U-shaped drying tube II groove 17, and described U-shaped developmental tube I groove 18 is positioned at the top of U-shaped developmental tube II groove 19; Described U-shaped drying tube I6 is fixed in U-shaped drying tube I groove 16, described U-shaped drying tube II7 is fixed in U-shaped drying tube II groove 17, described U-shaped developmental tube I8 is fixed in U-shaped developmental tube I groove 18, and U-shaped developmental tube II9 is fixed in U-shaped developmental tube II groove 19; Described electronic balance 3 is fixed on the upper left side of panel 2, described digital flowmeter I10, digital flowmeter II11 are fixed on the lower right of panel 2 side by side, and be positioned at the below of drying tube II5, described flow control valve I12 and flow control valve II13 to be fixed on side by side on panel 2 and to correspond respectively to the below of digital flowmeter I10 and digital flowmeter II11, total air intake opening 14 is offered, the right flank lower end of casing 1 and be that a line is provided with total gas outlet 15 with total air intake opening 14 in the right flank upper end of described casing 1; Described flow control valve I12 is connected with total air intake opening by flexible pipe with flow control valve II13, and described digital flowmeter I10 is connected with flow control valve I12 and flow control valve II13 by flexible pipe respectively with digital flowmeter II11; Described digital flowmeter I10 is connected by the air admission hole of flexible pipe with drying tube I4, and described digital flowmeter II11 is connected by the air admission hole of flexible pipe with drying tube II5; The venthole of described drying tube I4 is connected by the air admission hole of flexible pipe with U-shaped developmental tube I8, and the venthole of described drying tube II5 is connected by the air admission hole of flexible pipe with U-shaped developmental tube II9; The venthole of U-shaped developmental tube I8 is connected by the air admission hole of flexible pipe with U-shaped drying tube I6, and the venthole of U-shaped developmental tube II9 is connected by the air admission hole of flexible pipe with U-shaped drying tube II7; U-shaped drying tube I6 is connected with total venthole 15 with the venthole of U-shaped drying tube II7.
As shown in Figure 3, complete machine Cleaning Principle figure of the present invention, a kind of respirator calcium hydroxide detector of the present invention, can detect respirator calcium hydroxide.After the present invention starts, first unplug drying tube I 4 elbow, in drying tube I 4, activated charcoal is filled in left side, and right-hand part fills anhydrous calcium chloride, fastens elbow after installing.Fill activated charcoal then to left side in drying tube II 5, right-hand part fills anhydrous calcium chloride; Pull out U-shaped drying tube I 6 two ends elbow, in U-shaped drying tube I 6, fill anhydrous calcium chloride, fastening test tube stopper.Give in U-shaped drying tube II 7 again and fill anhydrous calcium chloride.
The middle part of U-shaped developmental tube I 8 is loaded absorbent cotton, and left side loads anhydrous calcium chloride, and weighs its quality on the electronic scales of detector; Take off U-shaped developmental tube I 8 from electronic scales, what then its right-hand part is loaded 3g is inspected sample, installs rear electronic scales zero setting, claims the mass M 1 of the U-shaped developmental tube I 8 after installing.
The step of U-shaped developmental tube II 9 according to U-shaped developmental tube I 8 operated, quality record of weighing is M2.
Be connected by total to interface on decompressor and detector air admission hole 14, the fast interface of total venthole 15 inserts wireway, and the other end is placed in the basin of water, and the mouth of pipe is in underwater.Flow control valve I 12 and flow control valve II 13 dextrorotation minimum to flow after, open carbon dioxide steel cylinder switch, slowly open decompressor, make the flow of two pipelines be 170-180ml/min by flow control valve I 12 and flow control valve II 13; Continuous ventilation 1h, then closes decompressor switch.
Take out U-shaped developmental tube I 8 to weigh, recording quality M3; U-shaped developmental tube II 9 is weighed, recording quality M4.
12. absorptivity computing formula X1=(M3-M1)/3X100
X2＝(M4-M2)/3X100
In formula:
X-carbon dioxide absorption rate, unit is percentage (%)
Replicate determination U-shaped developmental tube I 8 and U-shaped developmental tube II 9, get the arithmetic mean of X1 and X2, as measurement result.Measurement result gets one decimal place.
Claims (1)
1. a respirator calcium hydroxide detector, is characterized in that: comprise casing (1), panel (2), electronic balance (3), drying tube I (4), drying tube II (5), U-shaped drying tube I (6), U-shaped drying tube II (7), U-shaped developmental tube I (8), U-shaped developmental tube II (9), digital flowmeter I (10), digital flowmeter II (11), flow control valve I (12), flow control valve II (13), described drying tube I (4) is fixed on above the right side of panel (2), and described drying tube II (5) correspondence is fixed on the lower right-hand side of panel (2), go up at described panel (2) and be positioned between drying tube I (4) and drying tube II (5) and offer U-shaped drying tube I groove (16), U-shaped drying tube II groove (17), U-shaped developmental tube I groove (18), U-shaped developmental tube II groove (19), and described U-shaped drying tube I groove (16), U-shaped drying tube II groove (17) are positioned at the left side of U-shaped developmental tube I groove (18), U-shaped developmental tube II groove (19), described U-shaped drying tube I groove (16) is positioned at the top of U-shaped drying tube II groove (17), and described U-shaped developmental tube I groove (18) is positioned at the top of U-shaped developmental tube II groove (19), described U-shaped drying tube I (6) is fixed in U-shaped drying tube I groove (16), described U-shaped drying tube II (7) is fixed in U-shaped drying tube II groove (17), described U-shaped developmental tube I (8) is fixed in U-shaped developmental tube I groove (18), and U-shaped developmental tube II (9) is fixed in U-shaped developmental tube II groove (19), described electronic balance (3) is fixed on the upper left side of panel (2), described digital flowmeter I (10), digital flowmeter II (11) is fixed on the lower right of panel (2) side by side, and be positioned at the below of drying tube II (5), described flow control valve I (12) and flow control valve II (13) is fixed on panel (2) side by side and goes up and the below corresponding respectively to digital flowmeter I (10) and digital flowmeter II (11), total air intake opening (14) is offered in the right flank upper end of described casing (1), the right flank lower end of casing (1) and be that a line is provided with total gas outlet (15) with total air intake opening (14), described flow control valve I (12) is connected with total air intake opening by flexible pipe with flow control valve II (13), and described digital flowmeter I (10) is connected with flow control valve I (12) and flow control valve II (13) by flexible pipe respectively with digital flowmeter II (11), described digital flowmeter I (10) is connected by the air admission hole of flexible pipe with drying tube I (4), and described digital flowmeter II (11) is connected by the air admission hole of flexible pipe with drying tube II (5), the venthole of described drying tube I (4) is connected by the air admission hole of flexible pipe with U-shaped developmental tube I (8), and the venthole of described drying tube II (5) is connected by the air admission hole of flexible pipe with U-shaped developmental tube II (9), the venthole of U-shaped developmental tube I (8) is connected by the air admission hole of flexible pipe with U-shaped drying tube I (6), and the venthole of U-shaped developmental tube II (9) is connected by the air admission hole of flexible pipe with U-shaped drying tube II (7), U-shaped drying tube I (6) is all connected with total venthole (15) with the venthole of U-shaped drying tube II (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510975934.1A CN105424537A (en) | 2015-12-22 | 2015-12-22 | Detector of calcium hydroxide for rebreather |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510975934.1A CN105424537A (en) | 2015-12-22 | 2015-12-22 | Detector of calcium hydroxide for rebreather |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105424537A true CN105424537A (en) | 2016-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510975934.1A Pending CN105424537A (en) | 2015-12-22 | 2015-12-22 | Detector of calcium hydroxide for rebreather |
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| Country | Link |
|---|---|
| CN (1) | CN105424537A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4237726A (en) * | 1979-08-01 | 1980-12-09 | The Dow Chemical Company | Process for predicting the useful life of a respirator cartridge |
| CN2786599Y (en) * | 2005-01-19 | 2006-06-07 | 冯先峰 | Portable liquid pressure tester |
| CN201876423U (en) * | 2010-08-31 | 2011-06-22 | 中国人民解放军疾病预防控制所 | Multi-passage formaldehyde quick detecting device capable of continuously measuring on site and portable box thereof |
| CN203616247U (en) * | 2013-12-17 | 2014-05-28 | 中国通信建设第二工程局有限公司 | Portable case for water quality detector |
| CN205301116U (en) * | 2015-12-22 | 2016-06-08 | 山西虹安科技股份有限公司 | Calcium hydrate detector for respirator |
-
2015
- 2015-12-22 CN CN201510975934.1A patent/CN105424537A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4237726A (en) * | 1979-08-01 | 1980-12-09 | The Dow Chemical Company | Process for predicting the useful life of a respirator cartridge |
| CN2786599Y (en) * | 2005-01-19 | 2006-06-07 | 冯先峰 | Portable liquid pressure tester |
| CN201876423U (en) * | 2010-08-31 | 2011-06-22 | 中国人民解放军疾病预防控制所 | Multi-passage formaldehyde quick detecting device capable of continuously measuring on site and portable box thereof |
| CN203616247U (en) * | 2013-12-17 | 2014-05-28 | 中国通信建设第二工程局有限公司 | Portable case for water quality detector |
| CN205301116U (en) * | 2015-12-22 | 2016-06-08 | 山西虹安科技股份有限公司 | Calcium hydrate detector for respirator |
Non-Patent Citations (1)
| Title |
|---|
| 李增华等: "二氧化碳吸收剂性能测试方法的改进", 《煤矿安全》 * |
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Application publication date: 20160323 |
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