CN204536065U - Electrical heating piston in a kind of inflator type soil profile gas collector - Google Patents
Electrical heating piston in a kind of inflator type soil profile gas collector Download PDFInfo
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- CN204536065U CN204536065U CN201520140269.XU CN201520140269U CN204536065U CN 204536065 U CN204536065 U CN 204536065U CN 201520140269 U CN201520140269 U CN 201520140269U CN 204536065 U CN204536065 U CN 204536065U
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Abstract
The utility model relates to the electrical heating piston in a kind of inflator type soil profile gas collector, it is characterized in that inflator is built-in with steel piston, piston handle is connected with steel piston through dust cap, steel piston is containing insulated heat sleeve pipe and heating wire, insulated heat sleeve pipe occupy heating wire periphery, heating wire two ends are connected with line of electric force, insulated heat sleeve pipe have O-ring seal notch, O-ring seal embedding sealing ring recess mouth; The bottom of inflator has air inlet micropore.The utility model overcomes existing collector inflator internal piston easy frozen inoperable shortcoming under subzero temperature in the winter time, steel piston is locally heated to normal work to the piston body freezed under instead of its field environment that can take place frequently at various low temperature, humidity or alternate freezing and thawing of rubber piston, improves the work efficiency of test.
Description
Technical field
The utility model relates to test apparatus equipment technical field, specifically refers to the electrical heating piston in gas collector in a kind of inflator tube type soil.
Background technology
Under the background of climate warming, Qinghai-xizang Plateau Region ever frost presents degeneration in various degree, the a large amount of soil organic matter in Permafrost Area and nitrogen may be caused to enter air with the form of greenhouse gases (as CO 2 and N 2 O etc.), show positive feedback effect, soil is the important discharge carrier of Atmospheric CO and N2O, nearly 5% ~ 20% CO is had every year in air, with 60% ~ 80% N2O from soil discharge, Permafrost On Qingzang Plateau its greenhouse gas emission widely distributed, soil freezing-thawing alternating action, the change of season or diurnal temperature makes soil occur repeatedly freeze-thawing process, therefore, the generation mechanism of research Permafrost On Qingzang Plateau Soil Trace Gases and influence factor, the ecologic environment controlling greenhouse gas emission and protection of permafrost district is had important practical significance.Because alternate freezing and thawing effect often occurs Permafrost On Qingzang Plateau mobile layer soil, often can block the air admission hole of gas collector during holard glaciation, this brings very large obstacle in the application in this region to soil gas harvester.In addition, during the soil gas sample of single pore to different depth used at present is monitored, because winter low temperature inflator inner rubber of freezing makes that piston is frozen cannot work.
Summary of the invention
In view of above-mentioned, the purpose of this utility model is to provide the piston of the electrical heating in a kind of inflator type soil profile gas collector, the various gases of discharge when utilize the utility model to be convenient to can to gather winter soil freezing-thawing that various low temperature, humidity or alternate freezing and thawing take place frequently replaces.
The purpose of this utility model is achieved in that
An electrical heating piston in inflator type soil profile gas collector, mainly comprises gas production bag, minipump, replaceable type filter and inflator.Gas production bag is connected with minipump by the escape pipe of band syringe needle, escape pipe with syringe needle is equipped with valve, between minipump with replaceable type filter and replaceable type filter give vent to anger between valve with single channel and be connected by exhaust tube, single channel air outlet valve door is connected with inflator by gas collecting pipe.Under inflator Lower Half is embedded in earth's surface, there is dust cap on inflator top, be built-in with steel piston, steel piston is a cylinder, cylinder end face is provided with screw, piston handle end is arc outlet nozzle, piston handle bottom is connected with the screw of cylinder end face through dust cap, cylinder overlaps an insulated heat pipe, and insulated heat pipe outer wall is provided with heating wire, and heating wire crust is Silicon-On-Insulator glue material, heating wire two ends are connected with line of electric force, heating wire 16 outer race has insulated heat sleeve pipe, insulated heat sleeve pipe has O-ring seal notch, O-ring seal embedding sealing ring recess mouth; The bottom of inflator has air inlet micropore.
Advantage of the present utility model:
Electrical heating piston is have employed in the utility model inflator, overcome existing soil gas collector inflator internal piston easy frozen inoperable shortcoming under subzero temperature in the winter time, the steel piston newly developed instead of original rubber piston, it can gather that various low temperature, humidity or alternate freezing and thawing take place frequently the various gases of soil freezing-thawing discharge when replacing, carry out normal work under ensure that gas collector lowered in field environment, improve the work efficiency of test.
accompanying drawing illustrates:
Fig. 1 is the utility model schematic diagram.
Fig. 2 is electrical heating piston structure schematic diagram in Fig. 1.
In figure: 1-piston handle 2-dust cap 3-protective casing 4-earth's surface 5-steel piston 6-air inlet micropore 7-exhaust tube 8-minipump 9-valve 10-gas production bag (resistance to-70 DEG C of low temperature) 11-is with the escape pipe 12-replaceable type filter 13-single channel of syringe needle to give vent to anger valve 14-gas collecting pipe 15-arc outlet nozzle 16-heating wire 17-insulated heat sleeve pipe 18-O-ring seal 19-heating wire power input line 20-O-ring seal notch 21-cylinder.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described further again:
As shown in Figure 1-2, electrical heating piston in a kind of inflator type soil profile gas collector, mainly comprise gas production bag 10, minipump 8, replaceable type filter 12 and inflator 3, gas production bag 10 is connected with minipump 8 by the escape pipe 11 of band syringe needle, escape pipe 11 with syringe needle is equipped with valve 9, between minipump 8 with replaceable type filter 12 and replaceable type filter 12 give vent to anger between valve with single channel and be connected by exhaust tube 7, single channel valve 13 of giving vent to anger is connected with inflator 3 by gas collecting pipe 14, and inflator 3 Lower Half is embedded in earth's surface 4 times.There is dust cap 2 on inflator 3 top, be built-in with steel piston 5, steel piston 5 is a cylinder 21, cylinder 21 end face is provided with the screw of the diameter M5 of a dark 40mm, piston handle 1 end is arc outlet nozzle 15, piston handle 1 bottom is connected with the screw of cylinder 21 end face through dust cap 2, cylinder 21 overlapping an insulated heat pipe 17 prevents heat from inwardly transmitting, insulated heat pipe 17 outer wall is provided with heating wire 16, heating wire 16 crust is Silicon-On-Insulator glue material, its diameter is 2mm, 14 meters-15 meters can be wound around, heating wire 16 two ends are connected with line of electric force 19 and connect power supply, heating wire 16 outer race has insulated heat sleeve pipe 17, steel piston outer wall there are four O-ring seal notches 20, slot opening 3mm, dark 2mm, distance steel piston 5 upper end 4mm, second notch 20 and first notch 20 are at a distance of 8mm, distance 13mm place, steel piston 5 lower end is provided with the 3rd notch, and the 4th notch 20 and the 3rd notch 20 are at a distance of 6mm, in O-ring seal 18 embedding sealing ring recess mouth 20, O-ring seal 18 is made for elastomeric material.The lower periphery of inflator 3 has air inlet micropore 6.
The concrete method of sampling is as follows:
1, in the field test sample earth's surface 4 chosen, excavate the hole that can be imbedded inflator 3 diameter, and inflator 3 can be made naturally to be placed in hole and not to be squeezed; The height of regulating piston handle 1, makes steel piston 5 enter inflator 3, and the O-ring seal 18 on insulated heat pipe 17 seals arc outlet nozzle 15 and air inlet micropore 6;
2, be placed in hole vertical with gas collection tube 14 for inflator 3 sampling thief sleeve pipe 3, make air inlet micropore 5 and the gas sampling depth match of inflator 3, then along part in inflator 3(hole) outer wall and soil profile gap be sprinkled into a small amount of rough sand, and husky amount is advisable with the air inlet micropore 5 just filling up inflator 3;
3, the original soil taken out is mixed for mud, be backfilled in hole, make inflator 3 and gas collection tube 14 and surrounding soil section close proximity, the atmospheric diffusion of sampling thief outside can be avoided to air inlet micropore 5 place of inflator 3;
4, with the escape pipe 11 of band syringe needle, gas production bag 10 is connected with minipump 8, form a packaged type automatic gas extraction device, escape pipe 11 with syringe needle is equipped with valve 9, between minipump 8 and replaceable type filter 12 and replaceable type filter 12 and single channel give vent to anger between valve 13 and connect, by Valve controlling air inflow;
5, after apparatus installation is good, open minipump 6, gas collecting pipe 14 and the air on the right side of it in inflator 3 are discharged, then piston handle 1 is utilized to be brought up to the position of steel piston 5 on the interface of inflator 3 and gas collecting pipe 14, steel piston 5 is due to the low frozen not stretchy of temperature, now heating wire 16 is switched on power by line of electric force 19, be energized to steel piston 5 internal heating wire 16, to steel piston 5 surrounding spot heating, dissolve till frozen steel piston 5 makes it move up and down, after this gas of minipump 6 extraction can be collected as sample, the gas gathered loads gas production bag 10, directly take back the concentration of the various greenhouse gases of use for laboratory chromatographic.
Claims (1)
1. the electrical heating piston in an inflator type soil profile gas collector, mainly comprise gas production bag (10), minipump (8), replaceable type filter (12) and inflator (3), gas production bag (10) is connected with minipump (8) by the escape pipe (11) of band syringe needle, escape pipe (11) with syringe needle is equipped with valve (9), between minipump (8) with replaceable type filter (12) and replaceable type filter (12) give vent to anger between valve with single channel and be connected by exhaust tube (7), single channel valve (13) of giving vent to anger is connected with inflator (3) by gas collecting pipe (14), under inflator (3) Lower Half is embedded in earth's surface (4), it is characterized in that there is dust cap (2) on inflator (3) top, be built-in with steel piston (5), steel piston (5) is a cylinder (21), cylinder (21) end face is provided with screw, piston handle (1) end is arc outlet nozzle (15), piston handle (1) bottom is connected with the screw of cylinder (21) end face through dust cap (2), the upper cover insulated heat pipe (17) of cylinder (21), insulated heat pipe (17) outer wall is provided with heating wire (16), heating wire (16) crust is Silicon-On-Insulator glue material, heating wire (16) two ends are connected with line of electric force (19), heating wire (16) overlaps again insulated heat sleeve pipe (17), insulated heat sleeve pipe (17) there is O-ring seal notch (20), O-ring seal (18) embedding sealing ring recess mouth (20), the bottom of inflator (3) has air inlet micropore (6).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201520140269.XU CN204536065U (en) | 2015-03-12 | 2015-03-12 | Electrical heating piston in a kind of inflator type soil profile gas collector |
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CN201520140269.XU CN204536065U (en) | 2015-03-12 | 2015-03-12 | Electrical heating piston in a kind of inflator type soil profile gas collector |
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CN201520140269.XU Expired - Fee Related CN204536065U (en) | 2015-03-12 | 2015-03-12 | Electrical heating piston in a kind of inflator type soil profile gas collector |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107219314A (en) * | 2017-06-17 | 2017-09-29 | 江翠珍 | A kind of soil VOCs environmental protection tests method and environmental protection tests device |
CN107340152A (en) * | 2017-07-08 | 2017-11-10 | 江翠珍 | A kind of soil volatile organic matter environmental protection tests device |
CN107356726A (en) * | 2017-08-22 | 2017-11-17 | 中国科学院寒区旱区环境与工程研究所 | Permafrost Degeneration process chamber simulation system |
CN109991279A (en) * | 2019-05-17 | 2019-07-09 | 宁夏大学 | A kind of Frozen-thawed cycled exposure test device and test method |
CN110108522A (en) * | 2019-06-03 | 2019-08-09 | 马鞍山十七冶工程科技有限责任公司 | A kind of dust preventing component, a kind of soil gas detection sampler and its application method |
-
2015
- 2015-03-12 CN CN201520140269.XU patent/CN204536065U/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107219314A (en) * | 2017-06-17 | 2017-09-29 | 江翠珍 | A kind of soil VOCs environmental protection tests method and environmental protection tests device |
CN107340152A (en) * | 2017-07-08 | 2017-11-10 | 江翠珍 | A kind of soil volatile organic matter environmental protection tests device |
CN107356726A (en) * | 2017-08-22 | 2017-11-17 | 中国科学院寒区旱区环境与工程研究所 | Permafrost Degeneration process chamber simulation system |
CN107356726B (en) * | 2017-08-22 | 2023-05-12 | 中国科学院西北生态环境资源研究院 | Indoor simulation system for permafrost degradation process |
CN109991279A (en) * | 2019-05-17 | 2019-07-09 | 宁夏大学 | A kind of Frozen-thawed cycled exposure test device and test method |
CN110108522A (en) * | 2019-06-03 | 2019-08-09 | 马鞍山十七冶工程科技有限责任公司 | A kind of dust preventing component, a kind of soil gas detection sampler and its application method |
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C14 | Grant of patent or utility model | ||
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: 20150805 Termination date: 20160312 |