CN205388593U

CN205388593U - Rock pyrolysis analysis appearance

Info

Publication number: CN205388593U
Application number: CN201521127797.8U
Authority: CN
Inventors: 杨仁政
Original assignee: HAICHENG CITY PETROCHEMICAL INSTRUMENT FACTORY
Current assignee: HAICHENG CITY PETROCHEMICAL INSTRUMENT FACTORY
Priority date: 2015-12-30
Filing date: 2015-12-30
Publication date: 2016-07-20
Anticipated expiration: 2025-12-30

Abstract

The utility model belongs to the technical field of rock pyrolysis and component analysis, especially, relate to a rock pyrolysis analysis appearance, its characterized in that includes pyrolysis detecting system, the gas analysis system who is connected with this pyrolysis detecting system, with the remaining analytic system of sample that pyrolysis detecting system is connected. The utility model discloses once can test out S0 with a sample, S1, S2, S3, S4, tmax each item index, and can carry out S0, S1, the segmentation of S2 component, the highest cracking temperature can reach 800 DEG C national standard, and its precision is high, the stability is high, but detection and analysis is carried out in each big research institutions with each big oil field to the wide application, the protector has the advantages of high detection precision, high analysis speed, can adapt to advantages such as open -air extreme condition, the blank of internal this type of instrument has been filled, the eager demand of internal research institutions to this type of instrument has been solved.

Description

Rock pyrolysis analysis instrument

Technical field

This utility model belongs to rock pyrolysis and component analysis technical field, especially relates to a kind of rock pyrolysis analysis instrument.

Background technology

In petroleum exploration in China process, stratum is timely, accurate, quantitative evaluates the target and requirement that oil gas characteristic is well logging work.In recent years, progress and development along with exploration, the complexity on stratum is also gradually by while cognition, for strengthening especially by the comprehensive of site mud logging data, the data on explored stratum can be analyzed time so with regard to exigence well logging, the oil exploration industry of current China has been carried out decades, and a lot of oil fields all come into or be faced with the stage entering Middle-later Development Stage of Oilfield, and therefore high ripe or post-mature hydrocarbon source rock the investigation and prospecting of each block is paid close attention to by everybody gradually.But rock pyrolysis analysis instrument domestic at present can only record hydrocarbon source rock S₀Content, S₁Content, S₂Content, the highest cracking temperature Tmax value or obtain reservoir rock S₀、S₁₁、S₂₁、S₂₂、S₂₃Five indexs, it is impossible to record 300 DEG C of-400 DEG C of carbon dioxide and 300 DEG C of-500 DEG C of carbon monoxides content (the two and be S₃Content), hot-vibration sifter (S cannot be carried out simultaneously₀+S₁) and hydrocarbon thermal cracking (S₂) segmentation of component, and the final temperature of pyrolysis is 600 DEG C, it is impossible to meet the requirement of existing national standards " GB/T18602-2012 rock pyrolysis analysis " the highest cracking temperature 800 DEG C, is not suitable for high ripe or post-mature hydrocarbon source rock detection and analyzes.

Summary of the invention

The purpose of this utility model is to provide a kind of rock pyrolysis analysis instrument, once can test out S with one piece of sample₀、S₁、S₂、S₃、S₄, Tmax indices, and S can be carried out₀、S₁、S₂Component is segmented, and the highest cracking temperature can reach the national standard of 800 DEG C, and its precision is high, degree of stability is high, adapt to field extreme environment.

The purpose of this utility model is realized by following technical proposals:

Rock pyrolysis analysis instrument of the present utility model, it is characterised in that include pyrolysis detection system, detect, with this pyrolysis, the gas analysis system that system is connected, detect, with described pyrolysis, the sample survival analysis system that system is connected,

Described pyrolysis detection system includes pyrolysis oven, the gas pipeline I being connected with this pyrolysis oven, and this gas pipeline I fid detector I being connected,

Described gas analysis system includes and the described gas pipeline I gas pipeline II being connected, the gas distribution pipeline I that is respectively connected with this gas pipeline II, gas distribution pipeline II, gas distribution pipeline III and gas shunt conduit IV,

It is successively set on flow stabilizing valve I, the vacuum pump I on described gas distribution pipeline I and carbon monoxide Infrared Detectors,

It is successively set on flow stabilizing valve II, the vacuum pump II on described gas distribution pipeline II and carbon dioxide Infrared Detectors,

It is successively set on the flow stabilizing valve III on described gas distribution pipeline III, vacuum pump III, multiple-way valve I, pressure maintaining valve I, capillary chromatograph I, flow stabilizing valve V and fid detector II, described multiple-way valve I is also associated with quantity tube I, described pressure maintaining valve I is also associated with Pressure gauge I

It is successively set on the flow stabilizing valve IV on described gas distribution pipeline IV, vacuum pump IV, multiple-way valve II, pressure maintaining valve II, capillary chromatograph II, flow stabilizing valve VI and fid detector III, described multiple-way valve II is also associated with quantity tube II, the pressure Table II being also associated with on described pressure maintaining valve II

Described pressure maintaining valve I is arranged on the front end of described capillary chromatograph I,

Described pressure maintaining valve II is arranged on the front end of described capillary chromatograph II,

Described sample survival analysis system includes the oxidation furnace being connected with described pyrolysis oven, is arranged on the oxygen delivery pipeline of this oxidation furnace bottom, the trapping well being connected with described oxidation furnace top, the infrared detector being connected with this trapping well.

The internal heater strip of described pyrolysis oven is the armouring heater strip of heatproof 1000 DEG C.

Advantage of the present utility model:

Rock pyrolysis analysis instrument of the present utility model once can test out S with one piece of sample₀、S₁、S₂、S₃、S₄, Tmax indices, and S can be carried out₀、S₁、S₂Component is segmented, the highest cracking temperature can reach the national standard of 800 DEG C, and its precision is high, degree of stability is high, can be widely applied to Ge great scientific research institutions and each elephant carries out detection and analyzes, there is accuracy of detection height, analyze speed soon, can adapt to the advantages such as field mal-condition, fill up the blank of this quasi-instrument domestic, solve the Domestic Scientific Research institutes eager demand to this quasi-instrument.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model.

Fig. 2 is (S₀+S₁) the collection of illustrative plates schematic diagram of component.

Fig. 3 is (S₂) the collection of illustrative plates schematic diagram of component.

Detailed description of the invention

Detailed description of the invention of the present utility model is further illustrated below in conjunction with accompanying drawing.

As it is shown in figure 1, rock pyrolysis analysis instrument of the present utility model, it is characterised in that include pyrolysis detection system, detect, with this pyrolysis, the gas analysis system that system is connected, detect, with described pyrolysis, the sample survival analysis system that system is connected,

Described pyrolysis detection system includes pyrolysis oven 1, the gas pipeline I2 being connected with this pyrolysis oven, and this gas pipeline I2 fid detector I3 being connected,

Described gas analysis system includes and the described gas pipeline I2 gas pipeline II10 being connected, the gas distribution pipeline I that is respectively connected with this gas pipeline II10, gas distribution pipeline II, gas distribution pipeline III and gas shunt conduit IV,

It is successively set on flow stabilizing valve I4, the vacuum pump I5 on described gas distribution pipeline I and carbon monoxide Infrared Detectors 6,

It is successively set on flow stabilizing valve II7, the vacuum pump II8 on described gas distribution pipeline II and carbon dioxide Infrared Detectors 9,

It is successively set on the flow stabilizing valve III12 on described gas distribution pipeline III, vacuum pump III13, multiple-way valve I11, pressure maintaining valve I16, capillary chromatograph I17, flow stabilizing valve V19 and fid detector II18, described multiple-way valve I11 is also associated with quantity tube I14, described pressure maintaining valve I16 is also associated with Pressure gauge I15

It is successively set on the flow stabilizing valve IV21 on described gas distribution pipeline IV, vacuum pump IV22, multiple-way valve II20, pressure maintaining valve II25, capillary chromatograph II26, flow stabilizing valve VI28 and fid detector III27, described multiple-way valve II20 is also associated with quantity tube II23, the Pressure gauge II24 being also associated with on described pressure maintaining valve II25

Described pressure maintaining valve I16 is arranged on the front end of described capillary chromatograph I17,

Described pressure maintaining valve II25 is arranged on the front end of described capillary chromatograph II26,

Described sample survival analysis system includes the oxidation furnace 29 being connected with described pyrolysis oven, is arranged on the oxygen delivery pipeline of this oxidation furnace 29 bottom, the trapping well 30 being connected with described oxidation furnace 29 top, the infrared detector 31 being connected with this trapping well 30.

The internal heater strip of described pyrolysis oven 1 is the armouring heater strip of heatproof 1000 DEG C.

Utilizing the pyrolysis analysis method of this utility model rock pyrolysis analysis instrument, its pyrolytic process is as follows:

Embodiment:

(1) sample pyrolysis detection

A () pyrolysis oven 1 is heated to 800 DEG C by entering its internal sample from room temperature, make the hydro carbons contained by A in sample (hydrocarbon source rock) evaporate, crack, enter in fid detector I3 along gas pipeline I2, thus detecting the S contained by A in sample (hydrocarbon source rock)₀、S₁、S₂Content and the highest cracking temperature Tmax value, as shown in table 1；

Table 1

Sample basic parameter

B () pyrolysis oven 1 is heated to 800 DEG C by entering its internal sample from room temperature, make the hydro carbons contained by B in sample (reservoir rock) evaporate, crack, enter in fid detector I3 along gas pipeline I2, thus detecting the content of hydro carbons S0, S11, S21, S22, S23 contained by B in sample (reservoir rock), as shown in table 2；

Table 2

(2) pyrolysis gas detection

A internal sample is being heated in the process of 800 DEG C by () pyrolysis oven 1, vacuum pump I5 action, gas containing hydro carbons information is sent into carbon monoxide Infrared Detectors 6 and then the CO content of 300 DEG C-500 DEG C in detection sample through flow stabilizing valve I4, vacuum pump I5, as shown in table 3；

B internal sample is being heated in the process of 800 DEG C by () pyrolysis oven 1, vacuum pump II8 action simultaneously, gas containing hydro carbons information is sent into carbon dioxide Infrared Detectors 9 and then the CO of 300 DEG C-400 DEG C in detection sample through flow stabilizing valve II7, vacuum pump II8₂Content, as shown in table 3；

Table 3

S₀	S₁	S₂	S₃₁	S₃₂	Tmax	S₄
							0.0428	0.0635	0.1455	0.5963	0.5112	399	8.201
0.1429	0.4894	6.9692	0.8984	0.8388	440	8.3052
							0.1427	0.4527	1.8793	0.7727	0.8411	438	5.8374
0.1425	2.5303	15.8045	0.779	0.8382	434	12.8098
							0.1436	0.2144	0.4943	0.772	0.8491	300	8.1816
0.157	0.4509	1.8074	0.9202	0.9358	436	6.8708
							0.1569	2.2948	16.5007	1.2451	0.9358	435	13.4773
0.1575	0.2354	0.5427	1.2629	0.9221	300	8.3876
							0.1612	0.4579	6.6418	1.2214	0.9604	441	8.0575
0.1612	0.4751	6.925	1.2322	0.9608	440	8.1865
							0.1611	0.4463	1.7857	1.1942	0.9751	437	6.4549
0.1604	0.4501	4.1379	1.1853	0.9639	437	7.7067
							0.1608	2.0458	16.5623	1.2347	0.9674	437	12.6394
0.1614	0.2409	0.5544	1.1666	0.963	300	8.209
							0.1707	0.4518	6.928	1.2753	1.0293	443	8.3717

nullC internal sample is being heated in the process of 300 DEG C by () pyrolysis oven 1，Vacuum pump III13 action，By the gas containing hydro carbons information through flow stabilizing valve III12、Vacuum pump III12 sends into multiple-way valve I11，And adsorb in quantity tube I14，After specimen temperature is heated to 300 DEG C，Multiple-way valve I11 action，By the air seal that collects in quantity tube I14，After sample has heated，Multiple-way valve I11 action again，The gas containing hydro carbons information preserved in quantity tube I14 is sent in capillary chromatograph I17，Carrier gas (nitrogen) is through the pressure maintaining valve I16 of capillary chromatograph I17 front end、Pressure gauge I15 enters capillary chromatograph I17，Carry the gas containing hydro carbons from quantity tube I14 entrance capillary chromatograph I17 to flow out from capillary chromatograph I17 rear end，It is carried along into fid detector II18 from flow stabilizing valve V19 through make-up gas (nitrogen)，And then the hot-vibration sifter (S contained by detection sample₀+S₁) component, as shown in Fig. 2 and Biao 4, table 4 is to (S₀+S₁) component made a concrete analysis of；

Table 4

nullD internal sample is being heated to the process of 600 DEG C by () pyrolysis oven 1 from 300 DEG C，Vacuum pump IV22 action，By the gas containing hydro carbons information through flow stabilizing valve IV21、Vacuum pump IV22 sends into multiple-way valve II20，And adsorb in quantity tube II23，After specimen temperature is heated to 600 DEG C，Multiple-way valve II20 action，By the air seal that collects in quantity tube II23，After sample has heated，Multiple-way valve II20 action again，The gas containing hydro carbons information preserved in quantity tube II23 is sent in capillary chromatograph II26，Carrier gas (nitrogen) is through the pressure maintaining valve II25 of capillary chromatograph II26 front end、Pressure gauge II24 enters capillary chromatograph II26，Carry the gas containing hydro carbons from quantity tube II23 entrance capillary chromatograph II26 to flow out from capillary chromatograph II26 rear end，It is carried along into fid detector III27 from flow stabilizing valve VI28 through make-up gas (nitrogen)，And then the hydrocarbon thermal cracking (S contained by detection sample₂) component, as shown in fig. 3 and table 5, table 5 is to (S₂) component made a concrete analysis of；

Table 5

(3) residual sample detection

After pyrolysis oven 1 has heated, remaining sample is removed from pyrolysis oven 1, send in oxidation furnace 29, oxidized stove 29 heats, sample is heated to 600 DEG C, and send into oxygen from the oxygen delivery pipeline of oxidation furnace 29 bottom, and make hydro carbons remaining in sample oxidized, the gas after oxidation is (containing CO₂) enter in trapping well 30, low temperature (55 DEG C-65 DEG C) absorption in trapping well 30, after oxidizing process terminates, trapping well 30 is heated to 260 DEG C, makes the CO of absorption₂Gas enters in infrared detector 31, thus detecting residual carbon (S in sample₄Value) content, the S of the test of the method₁、S₂、S₄And Tmax is all in same data base, specifically as shown in table 1.

Claims

1. a rock pyrolysis analysis instrument, it is characterised in that include pyrolysis detection system, detect, with this pyrolysis, the gas analysis system that system is connected, detect, with described pyrolysis, the sample survival analysis system that system is connected,

2. rock pyrolysis analysis instrument according to claim 1, it is characterised in that the internal heater strip of described pyrolysis oven is the armouring heater strip of heatproof 1000 DEG C.