CN102445378B - Treatment device for heating under automatic temperature control and absorbing volatile aerosol - Google Patents
Treatment device for heating under automatic temperature control and absorbing volatile aerosol Download PDFInfo
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- CN102445378B CN102445378B CN201110308419.XA CN201110308419A CN102445378B CN 102445378 B CN102445378 B CN 102445378B CN 201110308419 A CN201110308419 A CN 201110308419A CN 102445378 B CN102445378 B CN 102445378B
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Abstract
The invention relates to a low-flow treatment device for heating under automatic temperature control and absorbing volatile aerosol. The treatment device comprises a heating cavity, a filtering cavity and a gas transmitting pipe, wherein the gas transmitting pipe transversely passes through the heating cavity and the filtering cavity; ventilation holes are uniformly distributed on the pipe wall of the gas transmitting pipe positioned in the filtering cavity; a temperature sensor and a heater are arranged in the heating cavity; the signal output end of the temperature sensor is connected with the signal input end of the temperature sensor; and the control output end of the temperature controller is connected with the heater. The treatment device has a simple structure, is convenient to install and operate, and can be used for heating quickly, automatically controlling the temperature and quickly adsorbing volatile aerosol components.
Description
Technical field
The present invention relates to one to the pretreated device of gasoloid before sampling, especially a kind of temp auto-controlled heating and the aerocolloidal low discharge treating apparatus of absorbing volatile, belong to environmental analysis and atmospheric sampling technical field.
Background technology
At present, atmospheric sampling and routine monitoring field are all directly to collect gas to enter sampling instrument device at home, almost gas before sampling is not carried out to pretreatment process, this has ignored that gas in sampling process condenses or the impact of the effect such as volatilization to a certain extent, because constituent and the forming process of atmospheric aerosol are further to study the key factor of gasoloid to weather and Human health effects, therefore before collection gas enters sampling thief, it is very crucial separating acid escaping gas and the half volatile gasoloid such as inorganic and organic and removing these gas compositions.In addition: can also understand specific aerosol components in atmosphere and have the object how much contributing in the middle of atmospheric aerosol grain diameter by controlling different temperatures contrived experiment, reaching.These results of study can further be applied in the middle of China's Atmospheric Chemistry pattern.But, the at present domestic device report of also also not removing volatilization aerosol components for automatic changeable temperature control before sampling.
Summary of the invention
For the deficiencies in the prior art, the treating apparatus that the invention provides a kind of energy automatic temperature control heating absorbing volatile aerosol components, it has the advantages such as heating is rapid and temperature can be controlled automatically, adsorb volatile aerosol components is rapid, simple in structure and easy to operate.
The present invention is achieved through the following technical solutions:
A kind of temp auto-controlled heating and the aerocolloidal treating apparatus of absorbing volatile, it comprises heating chamber, filter chamber and gas delivery tube, gas delivery tube laterally runs through heating chamber and filter chamber, be positioned on the tube wall of gas delivery tube of filter chamber and be evenly distributed with air hole, in described heating chamber, be provided with temperature sensor and well heater, the signal output part of temperature sensor is connected with the signal input part of temperature controller, the control output end of temperature controller connects well heater, described temperature controller is connected with power supply, in filter chamber, be filled with acticarbon, the end of filter chamber is connected with gas export cavity, the end of gas export cavity is communicated with escape pipe.
Described well heater is two quartz heating-pipes of series connection, and two quartz heating-pipes are symmetricly set on the both sides of gas delivery tube, and the quartz heating-pipe of series connection is connected with the control output end of temperature controller.
Preferably, the gas delivery tube in heating chamber is stainless-steel pipe.
Described heating chamber is the cavity in light foam insulating brick besieged city, and the outside surface of light-weight insulating brick is covered with heat-insulation layer, and preferred, heat-insulation layer is made up of rock wool.The effect of rock wool: heat insulation, reduce dissipation of heat, prevent that operating personnel from scalding simultaneously.
The diameter of described filter chamber is 106mm-120mm, and the length of filter chamber is 740mm-760mm, and filter chamber is the cavity that cylindric organic glass surrounds.
Gas delivery tube in described heating chamber runs through heating chamber and two ends extend to outside heating chamber, one end of gas delivery tube in heating chamber is connected with the gas transport pipe flange in filter chamber, the circular hole at left flange plate center and heating chamber gas delivery tube are tightly connected, center hole and the filter chamber of right ring flange are tightly connected, preferably, the gas delivery tube in filter chamber is plastics gas delivery tube.The advantage of this kind of design of gas delivery tube in gas delivery tube and filter chamber in heating chamber: be convenient for changing the one section of gas delivery tube that runs through heating chamber, flange connection disassembling is convenient, good seal performance, provides convenience for changing gas delivery tube.
Preferably, in the gas delivery tube between heating chamber and filter chamber, heat radiator is set.If the advantage of heat radiator: make the temperature fast-descending of stainless steel gas transfer tube, prevent that the plastics gas delivery tube junction in overheated stainless steel gas transfer tube and filter chamber from melting and snorkel being disconnected or gas leakage, affect experimental result.
Described heating cavity and heat radiator outer cup are provided with protective cover, are evenly distributed with louvre on protective cover, and louvre is square louvre, and protective cover is metal material.The effect of protective cover: mainly play protection heated for controlling temperature chamber and prevent that operating personnel from scalding.
Preferably, the housing of filter chamber is connected with the chamber wall flange of gas export cavity, and the top of gas export cavity is communicated with activated charcoal charge door, and bottom is communicated with activated charcoal discharging opening.
Described heating cavity and filtration cavity below are provided with metab.
Between described temperature controller and power supply, be also provided with switch.
Feature of the present invention and excellent results:
1, the heating chamber that the present invention arranges, can make to enter gasoloid heating in gas delivery tube, thermostat can make temperature control in heating chamber within the specific limits, aerocolloidal part is organic changes gas with inorganic component under specified temp, gas temperature is dropped rapidly to normal temperature through heat radiator, does not affect follow-up analysis, monitoring result.
2, the present invention adopts acticarbon, and the organic and mineral acid gas of volatilization in adsorbable heating chamber, as SO
2, the sour gas such as HCl and organic gas, play the aerocolloidal effect of filtering.
3, gasoloid is after heating chamber heating of the present invention, enter filter chamber by heat radiator, the organic gas volatilizing under specified temp and sour gas are filtered the active carbon adsorption in chamber and remove, the active carbon adsorption of filling up filter chamber is rapid, volatile components is removed obviously, and other components of gasoloid are not affected.
4, the end of filter chamber of the present invention is communicated with gas export cavity, the interface of the different size can installation code instrument on gas export cavity using, gas after filter chamber filters enters on-line sampling and analytical instrument after export cavity is derived, and aerosol particle in gas is carried out to physics and chemistry analysis.
5, the present invention is simple in structure, and fitting operation is convenient, and the gas delivery tube in heating chamber is along with long-term use is aging rear conveniently replaced.
6, the present invention is practical, and cost is low, can be applicable.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation that the present invention removes protective cover and acticarbon;
Fig. 3 be heating chamber structure of the present invention and with temperature controller syndeton schematic diagram;
Fig. 4 is acticarbon charge door of the present invention, gas export cavity and acticarbon discharging opening section syndeton schematic diagram.
Wherein 1, the gas delivery tube in heating chamber; 2, protective cover; 3, ring flange a; 4, organic glass housing; 5, ring flange b; 6, acticarbon charge door; 7, acticarbon discharging opening; 8, gas export cavity; 9, escape pipe; 10, base; 11, temperature controller; 12, power switch; 13, acticarbon; 14, heating chamber; 15, heat radiator; 16, filter chamber; 17, power interface; 18, rock wool; 19, quartz heating rod; 20, light foam insulating brick; 21, temperature sensor; 22, the gas delivery tube in filter chamber.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is explained, but the invention is not restricted to this.
The quartz heating-pipe adopting in embodiment is purchased from Yangzhou Jie Da electric heating Science and Technology Ltd., and temperature controller adopts the AI-808P type temperature controller of Xiamen space electric automation Science and Technology Ltd. production.
As shown in Figure 1 and Figure 2, a kind of temp auto-controlled heating and absorbing volatile gasoloid treating apparatus, comprise heating chamber 14, filter chamber 16 and gas delivery tube, gas delivery tube is divided into two sections, it is the gas delivery tube 22 in gas delivery tube 1 and the filter chamber in heating chamber, gas delivery tube 1 in heating chamber laterally runs through heating chamber 14, and two ends extend to outside heating chamber 14, and the gas delivery tube 22 in filter chamber laterally penetrates filter chamber 16.Gas delivery tube 1 in heating chamber is connected with the gas delivery tube 22 in filter chamber, and the end of filter chamber 16 is connected with gas export cavity 8, and the end of gas export cavity 8 is communicated with escape pipe 9.
As shown in Figure 2 and Figure 3, the cavity that described heating chamber 14 is encircled a city for light foam insulating brick 20, the outside surface of light-weight insulating brick 20 is covered with rock wool 18 heat-insulation layers, and rock wool 18 has heat insulation on the one hand, reduce the effect of dissipation of heat, prevent the heat scald operating personnel that heating chamber distributes simultaneously.In heating chamber 14, be provided with well heater, described well heater is two quartz heating-pipes 19 of series connection, quartz heating-pipe 19 is symmetricly set on the both sides of gas delivery tube, the quartz heating-pipe 19 of series connection is connected with the control output end of temperature controller 11, in the time that quartz heating-pipe 19 heats, in heating chamber 14, can heat up rapidly and keep uniform temp with quartz heating-pipe 19.Preferably, the gas delivery tube 1 in heating chamber is stainless-steel pipe.The transmission of the interior temperature rising of heating chamber 14 heat raises the temperature of stainless steel gas transfer tube, thereby the gasoloid of the gas delivery tube 1 through in heating chamber is heated.
In heating chamber 14, be also provided with temperature sensor 21, as shown in Figure 3, the signal output part of temperature sensor 21 is connected with the signal input part of temperature controller 11, and the control output end of temperature controller 11 connects well heater, described temperature controller 11 is connected with power supply, and in figure, 17 is power interface.Preferably, between temperature controller 11 and power supply, be also provided with power switch 12.
When switching on power, turn on the power switch 12, set the temperature on temperature controller, quartz heating-pipe 19 starts heating, temperature sensor 21 by the temperature Real-time Feedback in heating chamber 14 to temperature controller 11 and be presented on display screen; In the time that the temperature in heating chamber 14 reaches the temperature setting, the control signal of temperature controller 11 makes quartz heating-pipe 19 stop continuing to heat and maintain the temperature in the scope that sets temperature ± 2 DEG C.As above, through ceaselessly adding control temp, alternating temperature thermostatic process completed conventionally in 3-5 minute, at this moment just can pass into gas.In venting process, thermostat screen shows the temperature in heating chamber in real time.
Filter chamber is the cavity that cylindric organic glass surrounds, and the periphery of cavity is organic glass housing 4.The diameter of filter chamber is 106mm, the long 740mm of filter chamber.In filter chamber 16, be filled with acticarbon 13, on the tube wall of the gas delivery tube 22 in filter chamber, be uniformly distributed air hole, after heating, volatile gasoloid gas falls apart to filter chamber by air hole, and the aerocolloidal effect of filtering is played in its absorption by acticarbon.One end of gas delivery tube 1 in heating chamber is connected by ring flange a3 flange with the gas delivery tube 22 in filter chamber, gas delivery tube 1 in circular hole and the heating chamber at the left flange plate center of ring flange a3 is tightly connected, the center hole of right ring flange is communicated with filter chamber 16 sealings, preferably, gas delivery tube 1 in filter chamber is plastics gas delivery tube, provides convenience for changing heating chamber gas delivery tube 1.
In gas delivery tube between heating chamber 14 and filter chamber 16, heat radiator 15 is set.Described heat radiator 15 is to be made up of seven sheet metals that are parallel to each other and equidistantly arrange, heat radiator 15 plays the effect of heat radiation, the temperature of the gas delivery tube 1 in heating chamber is declined, prevent that on the one hand too high temperature from making gasoloid loss, prevent on the other hand the plastics gas delivery tube junction fusing in overheated stainless steel gas transfer tube and filter chamber and snorkel is disconnected or gas leakage, affect experimental result.
The outer cup of heating chamber 14 and heat radiator 15 is provided with protective cover 2, on protective cover 2, is evenly distributed with louvre, the preferred square louvre of louvre, protective cover 2 preferable alloy materials.
The organic glass housing 4 of filter chamber 16 is connected by ring flange b5 flange with the chamber wall of gas export cavity 8, and the circular hole at the left flange plate center of ring flange b5 is communicated with filter chamber 16 sealings, and the center hole of right ring flange is communicated with the sealing of gas export cavity.
As shown in Figure 4, gas export cavity 8 tops are communicated with acticarbon charge door 6, and bottom is communicated with acticarbon discharging opening 7.Described acticarbon charge door 6, the external diameter of acticarbon discharging opening 7 are 38mm, internal diameter 37mm.
Described heating chamber 14 and filter chamber 16 belows are provided with metab 10.Temperature controller 11 and power switch 12 are fixed on metab.
The course of work:
When this device work, gas is entered by the air intake opening of the gas delivery tube 1 in heating chamber, after heating chamber 14 heating, the volatilization of being heated of part inorganics in the gas sucking on aerosol particle thing and organism, enter the gas delivery tube 22 in filter chamber through 15 heat radiator, fall apart in filter chamber by the air hole on the transfer tube 22 in filter chamber gas afterwards, the organic gas of volatilization and other sour gas can be absorbed by activated charcoal and remove, and last gas is derived by escape pipe 9.The gas of deriving includes O
2and N
2and under design temperature, do not have volatilization aerosol particle.Can be connected to by interface on low discharge (1-3m/l conventionally) aerosol sampler or some aerosol granularity analysers in outlet.
Embodiment 2
A kind of temp auto-controlled heating and absorbing volatile gasoloid treating apparatus, as described in Example 1, difference is structure:
The diameter of filter chamber is 115mm, the long 755mm of filter chamber.
The external diameter of acticarbon charge door 6, acticarbon discharging opening 7 is 40mm, internal diameter 39mm.
Claims (1)
1. a temp auto-controlled heats and the aerocolloidal treating apparatus of absorbing volatile, it comprises heating chamber, filter chamber and gas delivery tube, it is characterized in that: gas delivery tube laterally runs through heating chamber and filter chamber, be positioned on the tube wall of gas delivery tube of filter chamber and be evenly distributed with air hole, in described heating chamber, be provided with temperature sensor and well heater, the signal output part of temperature sensor is connected with the signal input part of temperature controller, the control output end of temperature controller connects well heater, described temperature controller is connected with power supply, gas delivery tube in described heating chamber runs through heating chamber and two ends extend to outside heating chamber, one end of gas delivery tube in heating chamber is connected with the gas transport pipe flange in filter chamber, the circular hole at left flange plate center and heating chamber gas delivery tube are tightly connected, center hole and the filter chamber of right ring flange are tightly connected, gas delivery tube in filter chamber is plastics gas delivery tube, in filter chamber, be filled with acticarbon, the end of filter chamber is connected with gas export cavity, the end of gas export cavity is communicated with escape pipe, in gas delivery tube between heating chamber and filter chamber, heat radiator is set.
2
.treating apparatus according to claim 1, it is characterized in that: described well heater is two quartz heating-pipes of series connection, two quartz heating-pipes are symmetricly set on the both sides of gas delivery tube, the quartz heating-pipe of series connection is connected with the control output end of temperature controller, and the gas delivery tube in heating chamber is stainless-steel pipe.
3
.according to treating apparatus described in claim 1 or 2, it is characterized in that: described heating chamber is the cavity that light foam insulating brick surrounds, and the outside surface of light-weight insulating brick is covered with heat-insulation layer, and heat-insulation layer is made up of rock wool.
4
.treating apparatus according to claim 1 and 2, is characterized in that: the diameter of described filter chamber is 106mm-120 mm, and the length of filter chamber is 740mm-760 mm, and filter chamber is the cavity that cylindric organic glass surrounds.
5
.treating apparatus according to claim 1, is characterized in that: described heating cavity and heat radiator outer cup are provided with protective cover, are evenly distributed with louvre on protective cover, and louvre is square louvre, and protective cover is metal material.
6
.treating apparatus according to claim 1, is characterized in that: the housing of filter chamber is connected with gas export cavity chamber wall flange, and gas export cavity top is communicated with activated charcoal charge door, and bottom is communicated with activated charcoal discharging opening.
7
.treating apparatus according to claim 1, is characterized in that: described heating chamber and the below of filter chamber are provided with metab.
8
.treating apparatus according to claim 1, is characterized in that: between described temperature controller and power supply, be also provided with switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110308419.XA CN102445378B (en) | 2011-10-11 | 2011-10-11 | Treatment device for heating under automatic temperature control and absorbing volatile aerosol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110308419.XA CN102445378B (en) | 2011-10-11 | 2011-10-11 | Treatment device for heating under automatic temperature control and absorbing volatile aerosol |
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| Publication Number | Publication Date |
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| CN102445378A CN102445378A (en) | 2012-05-09 |
| CN102445378B true CN102445378B (en) | 2014-06-18 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102824811B (en) * | 2012-09-10 | 2014-09-10 | 天津开发区合普工贸有限公司 | Laboratory nano material gas incineration absorbing apparatus |
| CN103940640B (en) * | 2014-05-12 | 2016-08-24 | 环境保护部南京环境科学研究所 | A kind of fast vacuum desorption apparatus that volatile gas components is collected in sample and method thereof |
| CN108333026A (en) * | 2018-04-03 | 2018-07-27 | 南京天成环境科技工程有限公司 | A kind of modular portable air distributing device and its air distributing method compared for volatile organic gases online monitoring instruments |
| CN111537293A (en) * | 2020-05-13 | 2020-08-14 | 西安热工研究院有限公司 | System and method for sampling and measuring HCl and/or HBr |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202221391U (en) * | 2011-10-11 | 2012-05-16 | 山东大学 | Self-controlled temperature processing plant for heating and absorbing volatile aerosol |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5783756A (en) * | 1995-12-08 | 1998-07-21 | New York University | Portable sampler for volatile aerosols |
| CN101464232B (en) * | 2007-12-19 | 2012-07-04 | 王丕征 | Semi-volatile organic matter sampling technique in exhaust emission pipe |
| CN201803878U (en) * | 2010-09-28 | 2011-04-20 | 深圳市世纪天源环保技术有限公司 | Sampling device |
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| CN202221391U (en) * | 2011-10-11 | 2012-05-16 | 山东大学 | Self-controlled temperature processing plant for heating and absorbing volatile aerosol |
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