CN204286880U - A kind of pollution source VOC sampler - Google Patents
A kind of pollution source VOC sampler Download PDFInfo
- Publication number
- CN204286880U CN204286880U CN201420617253.9U CN201420617253U CN204286880U CN 204286880 U CN204286880 U CN 204286880U CN 201420617253 U CN201420617253 U CN 201420617253U CN 204286880 U CN204286880 U CN 204286880U
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- tank body
- temperature
- pollution source
- casing
- bracing frame
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Abstract
The utility model provides a kind of pollution source VOC sampler, comprise: casing, tank body, tank body bracing frame, Silica hydrogel heat preservation structural component, tank body heating and attemperating unit, stopple coupon and docking pedestal, described box house arranges tank body bracing frame, described tank body is arranged on described tank body bracing frame, described box house fills Silica hydrogel heat preservation structural component, described docking pedestal arranges base location hole, described docking pedestal is stuck on casing by base location hole, described tank body two ends arrange high-temperature valve, described stopple coupon is connected with high-temperature valve described in tank body inlet end by docking pedestal, described tank body heating and attemperating unit are arranged on the tank body bracing frame of tank base.The utility model provides a kind of pollution source VOC sampler can sample high temperature constant temperature volatile organic matter, with low cost, simple and reliable, easy to use.
Description
Technical field
The utility model relates to a kind of gas sampling assembly, is specifically related to a kind of pollution source VOC sampling apparatus.
Background technology
VOC is the abbreviation of volatile organic matter, volatile organic matter is divided into eight classes: alkanes, aromatic hydrocarbons, alkene class, halohydrocarbon, ester class, aldehydes, ketone and other, directly can cause serious infringement to people and crop, it is ozone presoma, photo-chemical smog is jointly formed with oxides of nitrogen sulphuric dioxide etc., VOC is again the causative factor of fine particle in air, is the significant contributor of city dust haze.
For the problem of sampling that first analysis of the VOC of various occasion will solve, the method for sampling of current off-line type mainly contains Soviet Union's agate tank, pocket type and the adsorption tube method of sampling, and these methods are applicable for the sampling of occasion on a large scale.Along with people are to the raising of the requirement of environmental quality, the testing requirement for industrial discharge pollution source VOC is more and more extensive.Industrial pollution source VOC discharge has a feature to be exactly almost include boiling point that the World Health Organization (WHO) (WHO, 1989) the defines VOC kind in 250 DEG C (comprising 250 DEG C) the full pedigree of VOC below.
Soviet Union's agate tank adopts the mode of sampling below atmospheric pressure, repeatedly adopts pure nitrogen gas to clean, then vacuumized by Soviet Union's agate tank before sampling, by the negative pressure of Soviet Union's agate tank, sample aspiration is entered tank body during sampling.Soviet Union's agate tank sampling mode, although ensure that the consistance of sample gas in sampling and transportation, the maximum operation (service) temperature of Soviet Union's agate tank is generally below 100 DEG C, the VOC composition delay of high volatilization point is adsorbed in inside tank body, and clear tank process is complicated, need the extracting device of extra-high vacuum degree, so the sampling containing high boiling pollution source sample that inapplicable concentration is higher.Bag sampling method, adopts flexible sack to replace Soviet Union's agate tank, though without vaccum-pumping equipment, because the heatproof of sack is below 100 DEG C, is not suitable for the sampling of the higher pollution source sample containing higher boiling sample of concentration equally.There is the contamination issues of higher boiling sample equally in adsorption tube mode.Soviet Union's agate tank, pocket type and the adsorption tube method of sampling use under High Concentration Situation, pollution source sampling condition containing high boiling VOC, and sample higher boiling component damages is very large, and itself can be heavily polluted as not reusing.
Due to the requirement monitored for pollution source VOC, for an urgent demand of the sampling of discharge of pollutant sources gas.The VOC sampling equipment of a kind of full pedigree high concentration of market demand.
Utility model content
The utility model, for above-mentioned prior art Problems existing, provides a kind of pollution source with low cost, simple and reliable, easy to use containing the VOC sampler of higher boiling composition.
The technical solution adopted in the utility model is: a kind of pollution source VOC sampler, comprise: casing, tank body, tank body bracing frame, Silica hydrogel heat preservation structural component, tank body heating and attemperating unit, trace pipe and docking pedestal, described box house arranges tank body bracing frame, described tank body is arranged on described tank body bracing frame, described box house fills Silica hydrogel heat preservation structural component, described docking pedestal arranges base location hole, described docking pedestal is stuck on casing by base location hole, described tank body two ends arrange high-temperature valve, described trace pipe is connected with high-temperature valve described in tank body inlet end by docking pedestal, described tank body heating and attemperating unit are arranged on tank base.
Further, described casing is divided into box cover and housing seat, and described box cover and described housing seat are pulled to turn round by stainless steel and be connected, and described box cover is equipped with two valve body folding knobs, and described valve body folding knob is connected with high-temperature valve.
Further, described stopple coupon weaves shell by high-temperature flexible stopple coupon, self-constant temperature flexible heater body, high-temperature heat insulation fiber and stainless steel and forms, the soft type calandria of arranged outside self-constant temperature of described high-temperature flexible stopple coupon, the arranged outside high-temperature heat insulation fiber of described self-constant temperature flexible heater body, the arranged outside stainless steel braiding shell of described high-temperature heat insulation fiber.
Further, described docking pedestal has two contacts, described casing arranges spring contact, described spring contact is fixed on casing by ceramic end stroma, and described contact is connected with described spring contact.
Further, described high-temperature flexible stopple coupon connects high-temperature valve by cassette joint.
Further, below described tank body heating and attemperating unit, pre-load elastic mechanism is set, ensures the close contact of tank body heating arrangement and tank body, reduce thermal-conduction resistance.
The beneficial effects of the utility model are:
Tank body part of the present utility model can quick-detachment, tank body can be loaded easily or pull down at the scene during sampling; The utility model adopts normal pressure sampling, and adopt one end to enter a mode brought out for sampling and cleaning process, the sealing requirements for tank body and valve body is low, makes clean, samples, deposits, transportation simplification; High temperature constant temperature sampling can be carried out, sampling process trace pipe temperature 280 DEG C, tank body 250 DEG C, ensure that the World Health Organization (WHO) (WHO, 1989) boiling point defined, in the sampling of the VOC kind of 250 DEG C (comprising 250 DEG C) full pedigree of VOC below, ensure that the VOC component of sample air pipe and tank inner surface absorption can discharge completely.
Accompanying drawing explanation
Fig. 1 is that a kind of pollution source VOC sampling apparatus master that the utility model proposes looks planing surface structural drawing;
Fig. 2 is a kind of described in Fig. 1 side view of pollution source VOC sampling apparatus;
Fig. 3 is trace pipe structural drawing described in the utility model;
Fig. 4 is for docking base side view described in Fig. 3;
Fig. 5 is the utility model tank body and structure of high-temperature value figure;
Fig. 6 is box cover structural drawing described in the utility model;
Fig. 7 is box cover side view described in Fig. 6;
Fig. 8 is housing seat structural drawing described in the utility model;
Fig. 9 is housing seat side view described in Fig. 8;
Figure 10 is the described tank body principle of heating figure that the utility model proposes.
Shown in figure: 1-self-constant temperature flexible heater body, 2-docks pedestal, 3-high-temperature heat insulation fiber; 4-stainless steel braiding shell, 5-contact, 6-base location hole; 7-high-temperature valve, 8-tank body, 9-Silica hydrogel opposite sex heat preservation structural component; 10-tank body bracing frame, 11-valve body folding knob, 12-ceramic end stroma; 13-spring contact, the heating of 14-tank body and attemperating unit, the pre-load elastic mechanism of 15-; 16-stainless steel is pulled and is turned round, 17-high-temperature flexible stopple coupon, 18-stainless steel flexible protective pipe.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
See Fig. 1 to Figure 10, wherein Fig. 1 is that a kind of pollution source VOC sampling apparatus master that the utility model proposes looks planing surface structural drawing; Fig. 2 is a kind of described in Fig. 1 side view of pollution source VOC sampling apparatus; Fig. 3 is trace pipe structural drawing described in the utility model; Fig. 4 is for docking base side view described in Fig. 3; Fig. 5 is the utility model tank body and structure of high-temperature value figure; Fig. 6 is box cover structural drawing described in the utility model; Fig. 7 is box cover side view described in Fig. 6; Fig. 8 is housing seat structural drawing described in the utility model; Fig. 9 is housing seat side view described in Fig. 8; Figure 10 is the described tank body principle of heating figure that the utility model proposes.
See Fig. 1 to Figure 10, a kind of pollution source VOC sampler, comprise: casing, tank body 8, tank body bracing frame 10, Silica hydrogel heat preservation structural component 9, tank body heating and attemperating unit 14, trace pipe and docking pedestal 2, described box house arranges tank body bracing frame 10, described tank body 8 is arranged on described tank body bracing frame 10, described box house fills Silica hydrogel heat preservation structural component 9, described docking pedestal 2 arranges base location hole 6, described docking pedestal 2 is stuck on casing by base location hole 6, described tank body 8 two ends arrange high-temperature valve 7, described trace pipe is connected with high-temperature valve 7 described in tank body 8 inlet end by docking pedestal 2, described tank body heating and attemperating unit 14 are arranged on bottom tank body 8.
Described casing is divided into box cover and housing seat, and described box cover and described housing seat are pulled by stainless steel and turned round 16 and be connected, and described box cover is equipped with two valve body folding knobs 11, described valve body folding knob 11 is connected with high-temperature valve 7.The folding of high-temperature valve 7 can be realized by knob.
Described trace pipe is made up of high-temperature flexible stopple coupon 17 and composite heating heat-insulation layer, described composite heating heat-insulation layer weaves shell 4 by self-constant temperature flexible heater body 1, high-temperature heat insulation fiber 2 and stainless steel and forms, the soft type calandria 1 of arranged outside self-constant temperature of described high-temperature flexible stopple coupon 17, the arranged outside high-temperature heat insulation fiber 3 of described self-constant temperature flexible heater body 1, the arranged outside stainless steel braiding shell 4 of described high-temperature heat insulation fiber 3.By self-constant temperature flexible heater body 1 for trace pipe heats, and undertaken heat insulation by high-temperature heat insulation fiber 3 and external environment, improve the heat insulation effect of trace pipe.
Described docking pedestal 2 has two contacts 5, described casing is arranged spring contact 13, described spring contact 13 is fixed on casing by ceramic end stroma 12, and described contact 5 is connected with described spring contact 13.The elastic force of spring contact makes contact 5 and spring contact 13 closely pressing, ensures the power supply of stopple coupon self-constant temperature flexible heater body.
Described high-temperature flexible stopple coupon 17 connects high-temperature valve 7 by cassette joint.The high-temperature valve 7 that connects that the airtight folding of sample gas is welded by tank body 8 and two ends realizes.
The part that housing seat contacts with tank body 8 has been installed tank body and has been heated and attemperating unit 14, ensures that tank body 8 is heated to 250 DEG C of constant temperature.
Below described tank body heating and attemperating unit 14, pre-load elastic mechanism 15 is set, ensures the close contact of tank body heating arrangement and tank body 8, reduce thermal-conduction resistance.
In the utility model embodiment, trace pipe with docking pedestal, pull to turn round by stainless steel between box cover and housing seat and be connected, convenient disassembly.
The utility model device is connected with external stopple coupon by a trace pipe, and the other end of trace pipe is connected with tank body by high-temperature valve, and another outlet of tank body is connected with external aspiration pump by another high-temperature valve.Two ends are connected with other air path part by cassette joint, are resistant to elevated temperatures docking pedestal at the two ends of trace pipe.
Tank body part of the present utility model can quick-detachment, tank body can be loaded easily when sampling or cleaning tank body at the scene, tank body just is pulled down by sampling or cleaning tank body rear, load the operation that other tank body carries out sampling or cleaning, the tank body of sampling or cleaning can be deposited separately or in batch or transport.
The sampling process of the utility model device is normal pressure sampling, cleaned tank body, casing etc. are connected, trace pipe one end is connected with external sampling mouth, the other end is connected with tank body and loads casing, open high-temperature valve, upper electrical heating, when pot temperature is stabilized in 250 DEG C, opens external air pump and bleed, extract sample gas, rate of air sucked in required is greater than tank volume more than 10 times and closes high-temperature valve, sample gas is stranded in tank body, closes heating power supply, take out tank body, sampling completes, and replaceable other tank body carries out other sampling.
Below by reference to the accompanying drawings the utility model preferred implementation is explained in detail, but the utility model is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, can also make a variety of changes under the prerequisite not departing from the utility model aim.Do not depart from design of the present utility model and scope can make many other and change and remodeling.Should be appreciated that the utility model is not limited to specific embodiment, scope of the present utility model is defined by the following claims.
Claims (6)
1. a pollution source VOC sampler, it is characterized in that, comprise: casing, tank body (8), tank body bracing frame (10), Silica hydrogel heat preservation structural component (9), tank body heating and attemperating unit (14), trace pipe and docking pedestal (2), described box house arranges tank body bracing frame (10), described tank body (8) is arranged on described tank body bracing frame (10), described box house fills Silica hydrogel heat preservation structural component (9), described docking pedestal (2) arranges base location hole (6), described docking pedestal (2) is stuck on casing by base location hole (6), described tank body (8) two ends arrange high-temperature valve (7), described trace pipe is connected with high-temperature valve (7) described in tank body (8) inlet end by docking pedestal (2), described tank body heating and attemperating unit (14) are arranged on tank body (8) bottom.
2. a kind of pollution source VOC sampler according to claim 1, it is characterized in that, described casing is divided into box cover and housing seat, described box cover and described housing seat are pulled by stainless steel and are turned round (16) and be connected, described box cover is equipped with two valve body folding knobs (11), described valve body folding knob (11) is connected with high-temperature valve (7).
3. a kind of pollution source VOC sampler according to claim 1, it is characterized in that, described trace pipe is made up of high-temperature flexible stopple coupon (17) and composite heating heat-insulation layer, described composite heating heat-insulation layer is by self-constant temperature flexible heater body (1), high-temperature heat insulation fiber (2) and stainless steel braiding shell (4) composition, the soft type calandria (1) of arranged outside self-constant temperature of described high-temperature flexible stopple coupon (17), the arranged outside high-temperature heat insulation fiber (3) of described self-constant temperature flexible heater body (1), arranged outside stainless steel braiding shell (4) of described high-temperature heat insulation fiber (3).
4. a kind of pollution source VOC sampler according to claim 1, it is characterized in that, described docking pedestal (2) there are two contacts (5), described casing is arranged spring contact (13), described spring contact (13) is fixed on casing by ceramic end stroma (12), and described contact (5) are connected with described spring contact (13).
5. a kind of pollution source VOC sampler according to claim 1, is characterized in that, described high-temperature flexible stopple coupon (17) connects high-temperature valve (7) by cassette joint.
6. a kind of pollution source VOC sampler according to claim 1, is characterized in that, described tank body heating and attemperating unit (14) below arrange pre-load elastic mechanism (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420617253.9U CN204286880U (en) | 2014-10-19 | 2014-10-19 | A kind of pollution source VOC sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420617253.9U CN204286880U (en) | 2014-10-19 | 2014-10-19 | A kind of pollution source VOC sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204286880U true CN204286880U (en) | 2015-04-22 |
Family
ID=52870029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420617253.9U Expired - Fee Related CN204286880U (en) | 2014-10-19 | 2014-10-19 | A kind of pollution source VOC sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204286880U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158374A (en) * | 2015-09-26 | 2015-12-16 | 南京林业大学 | VOC detecting device in hot-pressing process of wooden composite plate |
| CN115013562A (en) * | 2022-07-19 | 2022-09-06 | 成都科林分析技术有限公司 | Gas circuit switching assembly and gas circuit system |
-
2014
- 2014-10-19 CN CN201420617253.9U patent/CN204286880U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158374A (en) * | 2015-09-26 | 2015-12-16 | 南京林业大学 | VOC detecting device in hot-pressing process of wooden composite plate |
| CN115013562A (en) * | 2022-07-19 | 2022-09-06 | 成都科林分析技术有限公司 | Gas circuit switching assembly and gas circuit system |
| CN115013562B (en) * | 2022-07-19 | 2022-10-28 | 成都科林分析技术有限公司 | Gas circuit switching assembly and gas circuit system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20191019 |