CN205091322U - Cabin is with dynamic adsorption device of total hydrocarbon bed dynamics evaluation of scavenging material - Google Patents
Cabin is with dynamic adsorption device of total hydrocarbon bed dynamics evaluation of scavenging material Download PDFInfo
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- CN205091322U CN205091322U CN201520899419.5U CN201520899419U CN205091322U CN 205091322 U CN205091322 U CN 205091322U CN 201520899419 U CN201520899419 U CN 201520899419U CN 205091322 U CN205091322 U CN 205091322U
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Abstract
The utility model relates to an adsorption material's testing arrangement specifically is a cabin is with dynamic adsorption device of total hydrocarbon bed dynamics evaluation of scavenging material, including air cleaner (1), first -class gauge (6) import is connected through glass piston K7 all the way to air cleaner (1) export, first -class gauge (6) exit linkage boat type bottles (5) import, boat type bottle (5) is placed in thermostatted water bath cabinet (15), (4) one imports in boat type bottle (5) the exit linkage blender. The utility model relates to a rationally for to harmful gas barrier propterty's such as n -pentane, n -heptane and ethylene oxide test, according to the quality of this material of test result evaluation. In the process of the test, utilize above -mentioned device can obtain strong, the accurate reliable tentation data of stability, barrier propterty data that can the various poisonous and harmful materials of accurate evaluation to through calculating the protection time of judging the protector material.
Description
Technical field
The utility model relates to the proving installation of sorbing material, is specially the Dynamic gas-mixing and adsorption devices that a kind of cabin scavenging material total hydrocarbon bed kinetics is evaluated.
Background technology
Cabin scavenging material bed kinetics evaluation method, mainly according to the purification demand of various cabins filter, specific design and sorbing material filling structure, develop the material for air purification barrier propterty meeting different demand and design parameter and performance characterization are provided, and then obtain, to the test of the harmful gas barrier propterties such as n-pentane, normal heptane and oxirane, evaluating the quality of this material according to test result.
At present, domesticly to there is no total hydrocarbon dynamic protection performance test apparatus, test method and detection means.For ensureing cabin scavenging material study on evaluation way job schedule, and from now on other is filtered to the development of malicious material apparatus, be necessary to design and process protection determinator, timely and accurately for the research of large-scale purification plant provides more system, more fully authentic data.
Summary of the invention
The purpose of this utility model sets up cabin scavenging material evaluation experimental device, be applied in the scavenging material total hydrocarbon bed kinetics evaluation method of cabin, for the research of various closed cabin air purification plant and design provide test parameters, be also for sorbing material safety in actual use provides theoretical foundation simultaneously.
The utility model adopts following technical scheme to realize:
The Dynamic gas-mixing and adsorption devices that a kind of cabin scavenging material total hydrocarbon bed kinetics is evaluated, comprise air strainer, the outlet of described air strainer is leaded up to glass piston K7 and is connected first-class gauge import, described first-class gauge outlet connects the import of boat type bottle, described boat type bottle is placed in constant water bath box, and described boat type bottle outlet connects mixer one import.
The outlet of described air strainer is separately leaded up to glass piston K2 and is connected humidistat import, and described humidistat outlet connects wet-and-dry bulb thermometer import by glass piston K6, and described wet-and-dry bulb thermometer outlet connects another import of mixer.
Described mixer outlet is leaded up to glass piston K8 and is connected the import of the first rotor flowmeter, and described the first rotor flowmeter outlet connects the first total hydrocarbon analyzer import, described first total hydrocarbon analyzer outlet connection first waste gas absorption bottle.
Described mixer outlet is separately leaded up to glass piston K9 and is connected the import of second gauge, described second flowmeter outlet connects the import of mensuration pipe, described mensuration pipe outlet connects the second spinner-type flowmeter import by glass piston K10, described second spinner-type flowmeter outlet connection second total hydrocarbon analyzer import, described second total hydrocarbon analyzer outlet connection second waste gas absorption bottle.
During use, measure filling sorbing material to be measured in pipe.First open glass piston K1-K6, air obtains pure air, then through humidistat after filtering, wet-and-dry bulb thermometer is utilized to measure the temperature and humidity of air, by adjustment humidistat, after making the humidity of air reach regulation requirement, pass into mixer.Simultaneously, boat type bottle is placed in constant water bath box, on-the-spot generation noxious vapors in boat type bottle, then glass piston K7 is opened, pure air is after first-class gauge, enter in boat type bottle, and carry noxious vapors and enter mixer, in mixer, fully obtain toxic air hazardous vapors such as () n-pentane, normal heptane and oxirane after mixing.Now, open glass piston K8, utilize the first total hydrocarbon analyzer to measure the original concentration of noxious vapors, open glass piston K9 and K10, noxious vapors enters and measures pipe after second gauge, and noxious vapors adsorbs through sorbing material.Between adsorption cycle, noxious vapors passes through the second total hydrocarbon analyzer after the second spinner-type flowmeter, measure the guard time of noxious vapors and the relation of penetrating concentration, and then obtain cabin air scavenging material to the barrier propterty curve of the hazardous vapors such as n-pentane, normal heptane and oxirane and kinetic parameter.
Concrete grammar is as follows:
1, the cabin foundation of scavenging material evaluation experimental device, the formulation of test condition and test method.According to the designing requirement of cabin cleansing filter device, carry out test parameters calculating, the Dynamic gas-mixing and adsorption devices of processing cabin air scavenging material, comprising:
(1) filtering system, the drying tower loaded by active carbon purifying tank and discolour silica gel and activated charcoal layering forms.
(2) humidity control system, is made up of humidistat and wet-and-dry bulb thermometer, regulates, controls the humidity of air-flow.
(3) flow control system, carries out regulation and control to the flow of the hazardous vapors such as air stream and n-pentane, normal heptane and oxirane.
(4) noxious vapors and air stream commingled system: mixer adopts the glass mixer of 35mm × 50mm, arranging three diameters in bottom and side different parts is 9mm air intake opening, various toxic vapours is introduced thus, obtains the mixed gas containing required noxious vapors component mixed by the porous plate of mixer after fully being mixed.
(5) original concentration and tail gas concentration detection system, according to range ability and the accuracy requirement of concentration, carries out the mensuration of concentration in the total hydrocarbon detecting instrument access device of outsourcing.
2, the selection evaluation of cabin material for air purification
According to Dynamic Adsorption principle, processing, installment and debugging Dynamic Adsorption instrument, do the barrier propterty evaluation under same test conditions respectively to the material of different technology conditions.
The concentration that test condition is predefined for toxic vapours is: C
0=400ppm, than fast v=0.25L/cm
2min, carbon layer L=20mm, test temperature T=17 DEG C-30 DEG C, relative humidity Ф=50%.Multiple scavenging material is carried out to the barrier propterty test of above the same terms, by concluding test parameters, arrange and calculating, select the material of optimum process condition, as cabin air cleaning unit proprietary material.
The cabin research of the barrier propterty curve of air cleaning unit proprietary material, a kind of barrier propterty curve of new material is grasped by test, find out adsorbent layer thickness, concentration, than Changing Patterns such as speed, research cabin air scavenging material is to the barrier propterty curve of the hazardous vapors such as n-pentane, normal heptane and oxirane and kinetic parameter.
3, Shiloh husband equation (L-θ curve)
(1) theoretical introduction
Shiloh husband equation (L-θ equation) is under being described in limited adsorption rate, barrier propterty and concentration, the relation comparing speed, carbon layer, by the analysis to typical subject L-θ curve, for the design of protective equipment carbon layer, parameter choose provide certain foundation.
(2) the bed kinetics experimental study of cabin material for air purification
When studying the L-θ of the hazardous vapors such as n-pentane, normal heptane and oxirane, from above different cultivars Pd/carbon catalyst, have chosen the special Immesion active carbon in cabin load floor height with difference, same test concentration, speed carries out barrier propterty evaluation test on year-on-year basis mutually, thus draws the Shiloh husband equation of the special Immesion active carbon in cabin.
4, low concentration oozes out CURVE STUDY
It is the dynamic process studying certain thickness sorption oxidant layer breakthrough concentration Changing Pattern that low concentration oozes out curve.Ooze out curve can carry out the factors such as quantitative description sorption oxidant layer protection time and layer thickness, airflow specific velocity, initial concentration, breakthrough concentration with equation relation when low leaching concentration, the adsorption parameters with practical significance can also be obtained.
5, the process of result and sign
This method is tested by the test to conditions such as different thickness of bed layer, different relative humidity, different airflow specific velocity, different initial concentrations by the barrier propterty of protective materials, determine test instrument equipment, test condition, determination step, draw the process of (L-θ) curve and measurement result according to Shiloh husband equation.
The utility model is reasonable in design, for the test to harmful gas barrier propterties such as n-pentane, normal heptane and oxirane, evaluates the quality of this material according to test result.In process of the test, stability is strong, unfailing test data to utilize said apparatus to obtain, can the barrier propterty data of the various poisonous and harmful substance of accurate evaluation, and by calculating the guard time judging protective equipment.Air cleaning unit for various closed in space studies and design provides theoretical foundation.
Accompanying drawing explanation
Fig. 1 represents syndeton schematic diagram of the present utility model.
In figure, 1-air strainer, 2-humidistat, 3-wet-and-dry bulb thermometer, 4-mixer, 5-boat type bottle, the first-class gauge of 6-, 7-the first rotor flowmeter, 8-first total hydrocarbon analyzer (0-1000ppm), 9-first waste gas absorption bottle, 10-second gauge, 11-measures pipe, 12-second spinner-type flowmeter, 13-second total hydrocarbon analyzer (0-100ppm), 14-second waste gas absorption bottle, 15-constant water bath box, K1 ~ K10-glass piston.
Embodiment
Be described in detail below in conjunction with the specific embodiment of accompanying drawing to utility model.
The Dynamic gas-mixing and adsorption devices that cabin scavenging material total hydrocarbon bed kinetics is evaluated, as shown in Figure 1, comprise air strainer 1, described air strainer 1 is made up of active carbon purifying tank and drying tower; Layering filling discolour silica gel and activated charcoal in described drying tower.The outlet of described air strainer 1 is leaded up to glass piston K7 and is connected the import of first-class gauge 6, described first-class gauge 6 exports and connects the import of boat type bottle 5, described boat type bottle 5 is placed in constant water bath box 15, constant water bath box 15 provides suitable steady temperature to boat type bottle, reactant is put in boat type bottle 5, noxious vapors required for on-the-spot generation, the concentration of noxious vapors is very low.Described boat type bottle 5 outlet connects mixer 4 one import; The inlet and outlet of described boat type bottle 5 all arranges glass piston, and the poisonous gas that enters and carry controlling pure air flows out.
As shown in Figure 1, described air strainer 1 exports separately leads up to glass piston K2 and connects humidistat 2 import, described humidistat 2 exports and connects wet-and-dry bulb thermometer 3 import by glass piston K6, and described wet-and-dry bulb thermometer 3 exports and connects another import of mixer 4.
Described mixer 4 adopts the glass mixer of 35mm × 50mm, arranges multiple diameter 9mm air intake opening altogether, arrange the porous plate of multilayer in described glass mixer in bottom and side, utilizes fully mixing of air and toxic agent.Glass mixer can enter multiple toxic gas simultaneously, thus forms compound toxic agent.
As shown in Figure 1, the outlet of described mixer 4 is leaded up to glass piston K8 and is connected the import of the first rotor flowmeter 7, it is 0-1000ppm that described the first rotor flowmeter 7 exports connection first total hydrocarbon analyzer 8(range) import, described first total hydrocarbon analyzer 8 exports connection first waste gas absorption bottle 9.
As shown in Figure 1, described mixer 4 exports separately leads up to glass piston K9 and connects the import of second gauge 10, described second gauge 10 exports to connect and measures pipe 11 import, described mensuration pipe 11 exports and connects the second spinner-type flowmeter 12 import by glass piston K10, it is 0-100ppm that described second spinner-type flowmeter 12 exports connection second total hydrocarbon analyzer 13(range) import, described second total hydrocarbon analyzer 13 exports connection second waste gas absorption bottle 14.
It should be noted last that; above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted; although be described in detail with reference to the utility model embodiment; those of ordinary skill in the art is to be understood that; the technical solution of the utility model is modified or equivalent replacement; do not depart from the spirit and scope of the technical solution of the utility model, it all should be contained in claims of the present utility model.
Claims (5)
1. the Dynamic gas-mixing and adsorption devices evaluated with scavenging material total hydrocarbon bed kinetics of a cabin, it is characterized in that: comprise air strainer (1), described air strainer (1) outlet is leaded up to glass piston K7 and is connected first-class gauge (6) import, described first-class gauge (6) outlet connects bottle (5) import of boat type, described boat type bottle (5) is placed in constant water bath box (15), and described boat type bottle (5) outlet connects mixer (4) import;
Described air strainer (1) outlet separately lead up to glass piston K2 connect humidistat (2) import, described humidistat (2) outlet connects wet-and-dry bulb thermometer (3) import by glass piston K6, and described wet-and-dry bulb thermometer (3) outlet connects mixer (4) another import;
Described mixer (4) outlet is leaded up to glass piston K8 and is connected the first rotor flowmeter (7) import, analyzer (8) import of described the first rotor flowmeter (7) outlet connection first total hydrocarbon, described first total hydrocarbon analyzer (8) outlet connection first waste gas absorption bottle (9);
Described mixer (4) outlet is separately leaded up to glass piston K9 and is connected second gauge (10) import, described second gauge (10) outlet connects to measure manages (11) import, described mensuration pipe (11) outlet connects the second spinner-type flowmeter (12) import by glass piston K10, analyzer (13) import of described second spinner-type flowmeter (12) outlet connection second total hydrocarbon, described second total hydrocarbon analyzer (13) outlet connection second waste gas absorption bottle (14).
2. the Dynamic gas-mixing and adsorption devices of cabin according to claim 1 scavenging material total hydrocarbon bed kinetics evaluation, it is characterized in that: described mixer (4) adopts the glass mixer of 35mm × 50mm, multiple diameter 9mm air intake opening is set altogether in bottom and side, the porous plate of multilayer is set in described glass mixer.
3. the Dynamic gas-mixing and adsorption devices of cabin according to claim 1 and 2 scavenging material total hydrocarbon bed kinetics evaluation, is characterized in that: described air strainer (1) is made up of active carbon purifying tank and drying tower; Layering filling discolour silica gel and activated charcoal in described drying tower.
4. the Dynamic gas-mixing and adsorption devices of cabin according to claim 1 scavenging material total hydrocarbon bed kinetics evaluation, is characterized in that: the inlet and outlet of described boat type bottle (5) all arranges glass piston.
5. the Dynamic gas-mixing and adsorption devices of cabin according to claim 1 scavenging material total hydrocarbon bed kinetics evaluation, is characterized in that: the range of described first total hydrocarbon analyzer (8) is 0-1000ppm; The range of described second total hydrocarbon analyzer (13) is 0-100ppm.
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| CN201520899419.5U CN205091322U (en) | 2015-11-12 | 2015-11-12 | Cabin is with dynamic adsorption device of total hydrocarbon bed dynamics evaluation of scavenging material |
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| CN201520899419.5U CN205091322U (en) | 2015-11-12 | 2015-11-12 | Cabin is with dynamic adsorption device of total hydrocarbon bed dynamics evaluation of scavenging material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706799A (en) * | 2016-09-30 | 2017-05-24 | 湖北华强科技有限责任公司 | Chemical protection material protection performance testing device, testing method and protection performance calculating method |
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2015
- 2015-11-12 CN CN201520899419.5U patent/CN205091322U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706799A (en) * | 2016-09-30 | 2017-05-24 | 湖北华强科技有限责任公司 | Chemical protection material protection performance testing device, testing method and protection performance calculating method |
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