阅读说明：本技术 一种用于脱附土壤吸附烃的热释管及气体制备方法 (A kind of heat for soil adsorbed hydrocarbon to be desorbed releases pipe and gas preparation method ) 是由 卢丽 高俊阳 宁丽荣 王光华 王国建 杨帆 黄欣 于 2018-05-16 设计创作，主要内容包括：本发明提供的一种用于脱附土壤吸附烃的热释管及气体制备方法,通过法兰端面与管体的管口端面紧密贴合将管体的管口密封,封塞伸入管体的内腔部分不再承担密封的功能,可以适当减小封塞伸入管体内腔部分的径向尺寸,使封塞伸入管体内腔的部分与管体内腔的腔壁之间留出一定的间隙,这样封塞就不会对管体的管口处形成径向挤压撑胀,避免了管口处径向过度挤压撑胀而破坏管体,消除了引起操作人员受伤的安全隐患。(A kind of heat for soil adsorbed hydrocarbon to be desorbed provided by the invention releases pipe and gas preparation method, it is fitted closely by the nozzle end face of end face of flange and tube body by the ferrule of tube body, the lumen portion that blocking protrudes into tube body no longer undertakes the function of sealing, the radial dimension that blocking protrudes into tube cavity part can suitably be reduced, it protrudes into blocking and reserves certain gap between the part of tube cavity and the cavity wall of tube cavity, blocking would not be swollen to radial compression support is formed at the nozzle of tube body in this way, radial direction excessive compression at nozzle is avoided to support swollen and destroy tube body, eliminate the security risk for causing operator's injury.)

1. a kind of heat for soil adsorbed hydrocarbon to be desorbed releases pipe characterized by comprising

Tube body；

Blocking, the blocking are configured with flange, are fitted closely by the nozzle end face of end face of flange and tube body by the nozzle of tube body Sealing；

Interface is communicated with the inner cavity of tube body after being sealed by blocking, and the interface configurations have sealing element.

2. heat according to claim 1 releases pipe, which is characterized in that heat releases each component part of pipe by the material for being free of rubber It is made.

3. heat according to claim 1 or 2 releases pipe, which is characterized in that take gas branch pipe through the blocking, take gas branch pipe One end is communicated with the inner cavity of tube body after being sealed by blocking, and the other end is air hatch, and air hatch protruded tube is external, and air hatch is equipped with Sealing element takes gas branch pipe and blocking to be integrally formed.

4. heat according to claim 3 releases pipe, which is characterized in that fastener is connected through a screw thread with tube body, the method for blocking Blue end face is fitted closely with nozzle end face, and fastener is configured with escape groove for taking gas branch pipe to pass through, nozzle end face and flange end Seal washer is equipped between face.

5. heat according to claim 1 or 2 releases pipe, which is characterized in that be configured on tube body and communicate with the inner cavity of tube body Branch pipe, the end of branch pipe are connected with the hose as sealing element.

6. a kind of gas preparation method, which is characterized in that pedotheque is placed in tube body, makes the end face of flange and tube body of blocking Nozzle end face fit closely to by the ferrule of tube body, the external negative pressure source of interface, by the inner cavity suction of tube body at negative pressure, After the heat that the inner cavity of tube body is under negative pressure state is released pipe heating, lye is added in the inner cavity of Xiang Guanti, gas needed for extracting, Complete gas preparation.

7. according to the method described in claim 6, it is characterized in that, gas branch pipe is taken to take one end of gas branch pipe through the blocking It is communicated with the inner cavity of tube body after being sealed by blocking, the other end is air hatch, and air hatch protruded tube is external, and air hatch is equipped with sealing Part, blocking will take the air hatch of gas branch pipe to seal for after the ferrule of tube body using sealing element；

By taking the air hatch of gas branch pipe to extract required gas, the gas of extraction is put into sample bottle and seals to be measured, completion Gas preparation.

8. according to the method described in claim 6, it is characterized in that, be configured with the branch pipe communicated with the inner cavity of tube body on tube body, The end of branch pipe is connected with the hose as sealing element, is aspirated the inner cavity of tube body at negative pressure by the external negative pressure source of hose.

9. according to the method described in claim 6, it is characterized in that, the chamber pressure of tube body is aspirated at -0.1MPa, in tube body Inner cavity negative pressure reach -0.1MPa after, negative pressure source to the inner cavity of tube body continue suction 10 minutes.

10. according to the method described in claim 6, it is characterized in that, heat releases each component part of pipe by the material for being free of rubber It is made.

Technical field

The invention belongs to surface oil and gas geochemical fields more particularly to a kind of for the heat of soil adsorbed hydrocarbon to be desorbed Release pipe and gas preparation method.

Background technique

In recent years with scientific and technological progress, Chinese Petroliferousization visits theory and great shift has occurred, and achieves great Progress.Oil/gas Geochemical Anomalies type is carried out and genesis mechanism research has carried out the vertical Micro blazed-grating simulation test of hydro carbons, has proposed " gas phase pressure drives crack infiltration " is theoretical.Reproduction and the numerical simulation study of the diffusion Physical Experiment of oil gas Micro blazed-grating are carried out.

Hydrocarbon gas mensuration is the direct finger of surface oil and gas geochemical exploration subterranean oil gas reservoir in geochemical Mark, is most widely used and generally acknowledged more effective method in surface oil and gas geochemical exploration.More, foundation difference is studied for ADSORPTION STATE hydrocarbon Processing means, establish lighter hydrocarbons, heat between Acid Hydrolytic Hydrocarbon, dissolved hydrocarbon, head space and release the detection methods such as hydrocarbon.These detection method processizationes Spy worker's continuously improves, innovates, and achieves greater advance.

But heat releases hydrocarbon method and has much room for improvement at present, heat used, which releases pipe, in the method pretreatment process some shortcomings, by When no mating sealing-plug, test sample, it need to seal with rubber stopper, and rubber stopper is also easy to produce impurity gas during heating Body.Rubber stopper is had openning hole as needed using preceding, and heating removes foreign gas in boiling water.Glass is inserted among rubber stopper Guan Shi easily causes injury to personnel.When rubber stopper fills in heat and releases the seal of tube, there is the situation of operator's injury.

Summary of the invention

To solve the problems of the prior art, the present invention provides a kind of heat for soil adsorbed hydrocarbon to be desorbed and releases pipe and gas Preparation method, concrete scheme are as follows:

A kind of heat for soil adsorbed hydrocarbon to be desorbed releases pipe, comprising:

Tube body；

Blocking, the blocking are configured with flange, are fitted closely by the nozzle end face of end face of flange and tube body by tube body Ferrule；

Interface is communicated with the inner cavity of tube body after being sealed by blocking, and the interface configurations have sealing element.

Further, heat is released each component part of pipe and is made of the material without rubber.

Further, take gas branch pipe through the blocking, in the tube body after taking one end of gas branch pipe and being sealed by blocking Chamber communicates, and the other end is air hatch, and air hatch protruded tube is external, air hatch be equipped with sealing element, take gas branch pipe and blocking one at Type.

Further, fastener is connected through a screw thread with tube body, and end face of flange and the nozzle end face of blocking fit closely, tightly Firmware configuration has escape groove for taking gas branch pipe to pass through, and seal washer is equipped between nozzle end face and end face of flange.

Further, the branch pipe communicated with the inner cavity of tube body is configured on tube body, the end of branch pipe is connected with as sealing The hose of part.

A kind of gas preparation method, pedotheque is placed in tube body, makes the end face of flange of blocking and the nose end of tube body Face fits closely to which by the ferrule of tube body, the external negative pressure source of interface aspirates the inner cavity of tube body at negative pressure, by tube body After the heat that inner cavity is under negative pressure state releases pipe heating, lye is added in the inner cavity of Xiang Guanti, gas needed for extracting completes gas Preparation.

Further, take gas branch pipe through the blocking, in the tube body after taking one end of gas branch pipe and being sealed by blocking Chamber communicates, and the other end is air hatch, and air hatch protruded tube is external, and air hatch is equipped with sealing element, and blocking is by the ferrule of tube body Afterwards, the air hatch of gas branch pipe will be taken to seal using sealing element；

By take gas branch pipe air hatch extract needed for gas, the gas of extraction is put into sample bottle seal it is to be measured, Complete gas preparation.

Further, the branch pipe communicated with the inner cavity of tube body is configured on tube body, the end of branch pipe is connected with as sealing The hose of part is aspirated the inner cavity of tube body at negative pressure by the external negative pressure source of hose.

Further, the chamber pressure of tube body is aspirated into -0.1MPa, the negative pressure in the inner cavity of tube body reaches -0.1MPa Afterwards, negative pressure source continues suction 10 minutes to the inner cavity of tube body.

Further, heat is released each component part of pipe and is made of the material without rubber.

Compared with prior art, the present invention is fitted closely by the end face of flange of blocking and the nozzle end face of tube body by tube body Ferrule, and utilize the external negative pressure source of interface, by after sealing tube cavity aspirate at negative pressure, heat is released into pipe later and is added Heat, and after injecting lye, gas needed for extracting completes gas preparation.Using the end face of flange of blocking and tube body in the present invention The mode sealing orifice that nozzle end face fits closely, the lumen portion that blocking protrudes into tube body no longer undertake the function of sealing, can be with The appropriate radial dimension for reducing blocking and protruding into tube cavity part, makes blocking protrude into the part of tube cavity and the chamber of tube cavity Certain gap is reserved between wall, such blocking would not be swollen to radial compression support is formed at the nozzle of tube body, avoids nozzle Locate radial excessive compression to support swollen and destroy tube body, eliminates the security risk for causing operator's injury；And in the prior art, In When using rubber stopper sealed tube body, rubber stopper protrudes into tube cavity part and forms close-fitting by the cavity wall of deformation and tube cavity It closes, although sealing function can be played in this way, is filled in when heat releases the tube body of pipe in rubber stopper and be likely to occur radial excessive compression Swollen situation is supportted, tube body destruction is caused to cause operator injured.

Detailed description of the invention

The invention will be described in more detail below based on embodiments and refering to the accompanying drawings.Wherein:

Fig. 1 releases the structural schematic diagram of pipe for the heat in the embodiment of the present invention.

In the accompanying drawings, identical component uses identical appended drawing reference, and attached drawing is not drawn to scale.

Specific embodiment

The present invention will be further explained below with reference to the accompanying drawings.

As shown in Figure 1, the heat that the present embodiment provides a kind of for soil adsorbed hydrocarbon to be desorbed releases pipe, comprising: tube body 7, blocking 4 And interface；The blocking 4 is configured with flange 401, is fitted closely by the end face of flange of blocking 4 and the nozzle end face of tube body 7 by pipe 7 ferrules of body；The interface is communicated with by the inner cavity of the tube body 7 after the sealing of blocking 4, which has sealing element.

The present embodiment is fitted closely by the end face of flange of blocking 4 with the nozzle end face of tube body 7 nozzle of tube body 7 is close Envelope, and the external negative pressure source of interface is utilized, the inner cavity of the tube body 7 after sealing is aspirated into negative pressure, heat is released into pipe heating later, and infuse After entering lye, gas needed for extracting completes gas preparation.Using the nozzle of the end face of flange of blocking 4 and tube body 7 in the present embodiment The mode sealing orifice that end face fits closely, the lumen portion that blocking 4 protrudes into tube body 7 no longer undertake the function of sealing, Ke Yishi The radial dimension of tube cavity part is protruded into when reducing blocking 4, blocking 4 is made to protrude into the part and 7 inner cavity of tube body of 7 inner cavity of tube body Certain gap is reserved between cavity wall, such blocking 4 would not be swollen to radial compression support is formed at the nozzle of tube body, avoids pipe Radial excessive compression supports swollen and destroys tube body 7 at mouthful, eliminates the security risk for causing operator's injury；And the prior art In, when using rubber stopper sealed tube body 7, rubber stopper protrudes into the cavity wall shape that 7 lumen portion of tube body passes through deformation and 7 inner cavity of tube body At tight fit, although sealing function can be played in this way, is filled in when heat releases the tube body 7 of pipe in rubber stopper and be likely to occur radial mistake Degree, which squeezes, supports swollen situation, and the destruction of tube body 7 is caused to cause operator injured.

Preferably, tube body 7 and blocking 4 are all made of glass material, take gas branch pipe 402 to be similarly glass material through blocking 4 Matter, and gas branch pipe 402 and blocking 4 is taken to be integrally formed, it avoids and takes gas branch pipe 402 during with 4 grafting of blocking, misoperation Overexertion makes that the fracture of gas branch pipe 402 is taken to cause operator injured, further obviates security risk.Take gas branch pipe 402 One end is communicated with by the inner cavity of the tube body 7 after the sealing of blocking 4, and the other end is air hatch, and air hatch stretches out outside tube body 7, air hatch Equipped with sealing element, the sealing element of air hatch is silica gel plug 3 in the present embodiment, and fastener 1 is configured with internal screw thread 2 and is located at tube body 7 Nozzle at external screw thread 6 formed and be threadedly coupled, by the threaded connection of fastener 1 and tube body 7 by the flange end face pressure of blocking 4 To the nozzle end face of tube body 7, makes flange end and fitted closely with nozzle end face thus by the ferrule of tube body 7.1 structure of fastener Escape groove 101 has been made, take gas branch pipe 402 to pass through escape groove 101 in fastener cycle, make fastener 1 using fastener 1 Fastening force do not act on and take gas branch pipe 402.Gasket is equipped between the nozzle end face of tube body 7 and the end face of flange of blocking 4 Circle 5, keeps blocking 4 relatively reliable to the sealing effect at the nozzle of tube body 7.The nozzle end face of tube body 7 is equipped with groove, seal washer 5 are located in the groove.The branch pipe 8 communicated with the inner cavity of tube body 7 is also configured on tube body 7, the end of branch pipe 8 is connected with as close The hose of sealing, the hose being connected in this implementation column with the end of branch pipe 8 are silicone tube.Heat in the present embodiment releases pipe Smaller branch pipe 9 and baffle 10.Heat in the present embodiment releases pipe, since the material of each component part is free of rubber, thus avoids Interference of the foreign gas that rubber generates during heating to experiment, ensure that the reliability of experimental result.

The present embodiment also provides a kind of gas preparation method, and pedotheque is placed in tube body 7, makes the flange end of blocking 4 Face and the nozzle end face of tube body 7 fit closely thus by the ferrule of tube body 7, the external negative pressure source of interface, by the inner cavity of tube body 7 Negative pressure is aspirated into, after the heat that the inner cavity of tube body 7 is under negative pressure state is released pipe heating, lye is added in the inner cavity of Xiang Guanti 7, Gas needed for extracting completes gas preparation.Specifically, in the present embodiment, heat is first released into each component of pipe and is cleaned up, will be cleaned Glass devices drying, other non-glass devices dry, and cooling stand-by；It weighs a certain amount of pedotheque and is put into tube body 7 In inner cavity, seal washer 5 is embedded in the groove of the nozzle end face of tube body 7, blocking 4 is covered, gas branch pipe will be taken using silica gel plug 3 402 air hatch sealing, fastener 1 and the nozzle of tube body 7 are tightened, and keep the end face of flange of blocking 4 and the nozzle end face of tube body 7 tight Closely connected conjunction, using branch pipe 8 as the interface communicated with by the inner cavity of the tube body 7 after the sealing of blocking 4, silicone tube is as the close of the interface Silicone tube is accessed negative pressure source by sealing, and the inner cavity of tube body 7 is drawn into -0.1MPa by negative pressure source, continues 10 points of suction later Clock, to keep the final stabilization of pressure.Negative pressure source in the present embodiment is vacuum pump.Flatten silicone tube to seal branch pipe 8, originally After sealing branch pipe 8 silicone tube flattening using haemostatic clamp in embodiment, heat is released into pipe and is detached from negative pressure source, and is put into heat and releases in furnace Heating a period of time, after the completion of heating, taking-up heat is released pipe and is placed on pipe support, and the external lye filling apparatus of silicone tube unclamps Lye is added to the inner cavity of tube body 7 by silicone tube and branch pipe 8 in haemostatic clamp, filling apparatus.After lye being added from silica gel plug 3 Tube body 7 inner cavity in gas extraction, and be fitted into sample bottle, seal to be measured, complete sample gas preparation.When analyzing sample Proper amount of gas, which is extracted, with micro syringe carries out hydro carbons and carbon isotope analysis.

In other embodiments, it can also will be sucked by vacuum mouth, lye inlet, air hatch is combined into an interface.

Although by reference to preferred embodiment, invention has been described, the case where not departing from the scope of the present invention Under, it can be carried out it is various improvement and can be with equivalent substitution of some or all of the technical features.Especially, As long as logic or structural conflict is not present, items technical characteristic mentioned in the various embodiments can combine in any way Come.The invention is not limited to specific embodiments disclosed herein, but all skills including falling within the scope of the appended claims Art scheme.