CN104007134B - Thermal medium conveyance conduit and lay the temperature measurement system of environment - Google Patents
Thermal medium conveyance conduit and lay the temperature measurement system of environment Download PDFInfo
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- CN104007134B CN104007134B CN201410222341.3A CN201410222341A CN104007134B CN 104007134 B CN104007134 B CN 104007134B CN 201410222341 A CN201410222341 A CN 201410222341A CN 104007134 B CN104007134 B CN 104007134B
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Abstract
The present invention relates to a kind of thermal medium conveyance conduit and lay the temperature measurement system of environment, relate more specifically to the temperature measurement system that a kind of thermal medium conveyance conduit temperature be applied under many laid condition reduces research.This system comprises: soil removal and replacement is cheated, the straight length that the heating power at least partially of thermal medium conveyance conduit is stable is arranged in soil removal and replacement hole, on at least one direction of the radial direction along straight length, the distance between the border that the center line of straight length and soil removal and replacement are cheated is not less than the heating power influence distance in the radial direction of thermal medium conveyance conduit; And point for measuring temperature, point for measuring temperature be arranged on soil removal and replacement hole inside and/or soil removal and replacement hole around.Like this, the invention provides a kind of thermal medium conveyance conduit and lay the temperature measurement system of environment, it can be changed laid condition, thus realizes simulating the thermal drying of the thermal medium conveyance conduit that difference is laid under environment and testing.
Description
Technical field
The present invention relates to a kind of thermal medium conveyance conduit and lay the temperature measurement system of environment, relate more specifically to the temperature measurement system that a kind of thermal medium conveyance conduit temperature be applied under many laid condition reduces research.
Background technology
Current, the geologic condition of long-distance thermal medium conveyance conduit process is on the way various, the laid condition of pipeline and the soil types of periphery also complicated and changeable.Therefore, hot medium pipeline is not quite similar at the Soil Temperature Field of rate of temperature fall along the line and foundation.Have the way of producing tube circumference set temperature sensor and studying tube circumference Soil Temperature Field in the prior art, this way easily destroys that pipeline is original buries soil layer, and Job Operations scope is also restricted out of doors simultaneously.Therefore, those skilled in the art have studied the different method arranging the temperature of environment for measuring hot medium pipeline and periphery thereof.
Such as, be CN102928193A at publication number, disclose a kind of system and the experimental provision that can simulate hot oil pipeline low temperature environment and monitoring pipeline radial temperature in the Chinese invention patent that name is called " simulation of hot oil pipeline low temperature environment and radial temperature monitoring system ", which overcome the limitation that existing circuit device can not simulate extreme low temperature environment and monitoring pipeline radial temperature.This system is formed primarily of test pipeline, oil pipe heat-insulation unit, cryogenic media supply and heat-insulation unit, radial temperature and differential pressure monitoring means.Its system provided and existing circuit device conbined usage, simulation and the radial temperature that can realize hot oil pipeline low temperature environment are monitored, and then evaluate the problem in science such as hot oil pipeline crude oil pipe flow characteristic at low ambient temperatures, the realistic hot oil pipeline of its result flow characteristics at low ambient temperatures.
In addition, be CN202101790U at publication number, a kind of system of testing buried heated pipeline surrounding soil temperature and arranging is disclosed in the Chinese utility model patent that name is called " system that test buried heated pipeline surrounding soil temperature is arranged ", the system is characterized in that bottom security control case, draw longitudinal sleeve pipe that lays respectively lays sleeve pipe with horizontal, laterally laying sleeve pipe adopts rubber hose to be connected with security control case, longitudinally lay sleeve pipe, the length direction laterally laying sleeve pipe keeps at a certain distance away and is furnished with temperature sensor, temperature sensor with lay sleeve pipe joint sealing adaptor be installed, the signal wire of temperature sensor longitudinally lays in sleeve pipe respectively, laterally lay in sleeve pipe and in rubber hose and stretch out, be connected with the respective channel of recording instrument without paper in security control case, described longitudinal direction lays sleeve pipe, laterally laying box face all adopts seal cap sealing.This system has that structure is simple, easy to operate, automaticity is high and is applicable to the advantage that field installs and measures for a long time.
But although the problem of prior art can be solved to a certain extent with the prior art that above-mentioned patent documentation is representative, the Soil Temperature Field that still fundamentally can not meet thermal medium conveyance conduit periphery under many laid condition carries out the needs studied.
Summary of the invention
The problem that invention will solve
Therefore, based on the needs of shortcoming overcoming above-mentioned prior art, the present invention is proposed.Goal of the invention of the present invention is the temperature measurement system providing a kind of thermal medium conveyance conduit and lay environment, and it can be changed laid condition, thus realizes simulating the thermal drying of the hot medium pipeline that difference is laid under environment and testing.
For the scheme of dealing with problems
In order to realize foregoing invention object, the present invention adopts following technical scheme.
The invention provides a kind of thermal medium conveyance conduit and lay the temperature measurement system of environment, this system comprises: soil removal and replacement is cheated, the straight length that the heating power at least partially of thermal medium conveyance conduit is stable is arranged in soil removal and replacement hole, on at least one direction of the radial direction along straight length, the distance between the border that the center line of straight length and soil removal and replacement are cheated is not less than the heating power influence distance in the radial direction of thermal medium conveyance conduit; And point for measuring temperature, point for measuring temperature be arranged on soil removal and replacement hole inside and/or soil removal and replacement hole around.
Point for measuring temperature comprises center point for measuring temperature group, center point for measuring temperature group is arranged on the center position on the length direction in soil removal and replacement hole, and center point for measuring temperature group is included in the cross section perpendicular to the length direction of straight length multiple first points for measuring temperature being separately positioned on the inside of straight length and the outside of straight length.
Further, in the inside of straight length, multiple first point for measuring temperature the radial direction along straight length the first-class spacing of a straight line arrange, wherein, one in the multiple first point for measuring temperature center being positioned at straight length.Preferably, the inwall of straight length arranges two the first points for measuring temperature.
Further, in the outside of straight length, multiple first point for measuring temperature is arranged on many straight lines that the radial direction along straight length extends, wherein, between adjacent two straight lines, angulation is identical, at least one in multiple first point for measuring temperature is arranged on the periphery wall of straight length, spacing radially outward the increasing gradually along straight length between multiple first points for measuring temperature of the outside of straight length.Preferably, the spacing of the first point for measuring temperature in the outside of straight length adopts arithmetic progression configuration, and this spacing is not less than 0.1m and is not more than 0.5m.
More preferably, the first point for measuring temperature in the inside of straight length be arranged on along on a straight line of the radial direction of straight length at least part of first point for measuring temperature of the outside of straight length.
In addition, point for measuring temperature comprises at least one component interface point for measuring temperature group, at least one component interface point for measuring temperature group is in the interfacial position of at least one end near soil removal and replacement hole and straight length, be arranged on inner side and/or the outside in soil removal and replacement hole, interphase point for measuring temperature group is included in the cross section perpendicular to the length direction of straight length multiple second points for measuring temperature being arranged on the inside of straight length.
Preferably, in the interfacial position of at least one end of soil removal and replacement hole and straight length, one component interface point for measuring temperature group is set respectively in the inner side and outer side in soil removal and replacement hole, and the distance of the interphase point for measuring temperature group in the inner side in soil removal and replacement hole and the length direction along straight length between the interphase point for measuring temperature group and interphase in the outside in soil removal and replacement hole is equal to each other.
More preferably, multiple second point for measuring temperature the radial direction along straight length the first-class spacing of a straight line arrange, wherein, one in the multiple second point for measuring temperature center being positioned at straight length.
Preferably, soil removal and replacement hole is rectangular shape and straight length is pipe section, when being arranged on by straight length in soil removal and replacement hole, makes the center line of straight length parallel with lower surface with the upper surface of rectangular parallelepiped.More preferably, length and the width in soil removal and replacement hole are 10m, are highly 3m.
In addition, in the inside of straight length, at least three points for measuring temperature are being set along on the straight line in the radial direction of straight length; In the outside of straight length, at least three points for measuring temperature are being set along on the straight line in the radial direction of straight length.
More preferably, in the outside of straight length, be separated by the circumferential 45 degree, 5 straight lines extending along the radial direction of straight length arrange point for measuring temperature, wherein, 0 degree of straight line, 45 degree of straight lines and 90 degree of straight lines arrange 6 points for measuring temperature respectively, and from the outer peripheral face of straight length towards on the direction of radial outside, the distance between adjacent point for measuring temperature is respectively 0.1m, 0.2m, 0.3m, 0.4m, 0.5m; 135 degree of straight lines and 180 degree of straight lines arrange 3 points for measuring temperature respectively, and from the outer peripheral face of straight length on the direction of radial outside, distance between adjacent point for measuring temperature is respectively 0.1m, 0.2m, in the inside of straight length, the radial direction along straight length the first-class spacing of a straight line 7 points for measuring temperature are set, namely, in the inside of straight length, 7 points for measuring temperature are set equally spacedly along 0 degree of straight line.
In addition, preferably, make straight length built on stilts in soil removal and replacement hole, i.e. the not any medium of filling in soil removal and replacement hole; Or filling comprises the medium of water, soil, sand and composition thereof in soil removal and replacement hole.
It should be noted that, " soil removal and replacement hole " in technique scheme can be laid the parameter such as Media density, pressure state that environment exchanges in heatable adobe sleeping platform and carry out setting to simulate the different environment that lays fully according to different; And " soil removal and replacement hole around " represents that point for measuring temperature can be arranged in the proper range of the outside in soil removal and replacement hole by the situation such as to need of the test measurement data that those skilled in the art obtain as required; " near the interfacial position of soil removal and replacement hole with at least one end of straight length " refers to that those skilled in the art are when arranging interphase point for measuring temperature group and measuring corresponding interphase, make interphase point for measuring temperature Zu Bi center point for measuring temperature group more fully near the interphase of this correspondence, make this interphase point for measuring temperature group accurately can measure corresponding interfacial temperature; For " heating power influence distance ", owing to not affecting by this straight length according to the soil moisture of research apart from straight length center line 5m place in straight length radial direction, so preferably heating power influence distance of the present invention is set as 5m, certainly also more than 5m can be set according to actual conditions; In addition, thermal medium can be the fluid comprising the heat such as deep fat, hot water.
The effect of invention
By adopting above-mentioned technical scheme, the invention provides a kind of thermal medium conveyance conduit and lay the temperature measurement system of environment, it can be changed laid condition, thus realizes simulating the thermal drying of the hot medium pipeline that difference is laid under environment and testing.
Accompanying drawing explanation
Fig. 1 shows the schematic diagram of the unitary construction of temperature measurement system according to first embodiment of the invention;
Fig. 2 shows the schematic top plan view of temperature measurement system according to first embodiment of the invention;
Fig. 3 shows the schematic diagram of a kind of arrangement of each first point for measuring temperature in center point for measuring temperature group according to first embodiment of the invention;
Fig. 4 shows the schematic diagram of the another kind of arrangement of each first point for measuring temperature in center point for measuring temperature group according to first embodiment of the invention;
Fig. 5 shows the schematic diagram of another arrangement of each first point for measuring temperature in center point for measuring temperature group according to first embodiment of the invention;
Fig. 6 shows the schematic diagram of the unitary construction of temperature measurement system second embodiment of the invention.
Description of reference numerals
1 ground
2 soil removal and replacement holes
3 straight lengths
4 sleeve pipes
31 center point for measuring temperature groups
32 interphase point for measuring temperature groups
S1-S31 first point for measuring temperature
CL center line
Embodiment
The invention provides a kind of thermal medium conveyance conduit and lay the temperature measurement system of environment, it can be changed laid condition, thus realizes simulating the thermal drying of the hot medium pipeline that difference is laid under environment and testing.Referring to Figure of description, the specific embodiment of the present invention is described in detail.
Fig. 1 shows the schematic diagram of the unitary construction of temperature measurement system according to first embodiment of the invention; Fig. 2 shows the schematic top plan view of temperature measurement system according to first embodiment of the invention.In the present embodiment, soil removal and replacement hole 2 is rectangular shape and is arranged in ground 1, ensure that Media density, pressure state etc. in soil removal and replacement hole 2 are consistent with the parameter of laying environment that will simulate or be similar to fully, lay environment with accurate analog conveying hot medium pipeline.Be horizontally set in this rectangular soil removal and replacement hole 2 for the straight length 3 that section heating power of in thermal medium conveyance conduit is stable, and the center line making the centre line C L of this straight length 3 and soil removal and replacement cheat 2 overlaps; Simultaneously in order to guarantee the temperature parameter measured within the scope of the heating power influence of this straight length 3, in the present embodiment, ensure the centre line C L of this straight length 3 in this straight length 3 radial direction and soil removal and replacement cheat 2 and distance between the border on ground 1 be 5m (namely equaling the maximum heating power influence distance of straight length 3).
In the present embodiment, the center position of the length direction along straight length 3 in soil removal and replacement hole 2 arranges center point for measuring temperature group 31, this center point for measuring temperature group 31 is included in multiple first points for measuring temperature being separately positioned on the inside of straight length 3 and the outside of straight length 3 in the cross section perpendicular to straight length 3 length direction, and the arrangement of these the first points for measuring temperature will illustrate hereinafter.In addition, respectively in two interfacial positions at the two ends near soil removal and replacement hole 2 and straight length 3, in the inner side and outer side in described soil removal and replacement hole 2, a component interface point for measuring temperature group 32 is set respectively, this interphase point for measuring temperature group 32 is included in multiple second points for measuring temperature being arranged on the inside of straight length 3 in the cross section perpendicular to straight length 3 length direction, and the arrangement of these the second points for measuring temperature also will illustrate hereinafter.In the present embodiment, in the interfacial position of soil removal and replacement hole 2 with one end of straight length 3, cheat the interphase point for measuring temperature group 32 of the inner side of 2 in soil removal and replacement and be equal to each other in the distance of the length direction along straight length 3 of interphase point for measuring temperature group 32 respectively and between this interphase in the outside in soil removal and replacement hole 2, namely in FIG, L1=L2.
Fig. 3 shows the schematic diagram of a kind of arrangement of each first point for measuring temperature in center point for measuring temperature group according to first embodiment of the invention.Specifically, in the present embodiment, this center point for measuring temperature group 31 comprises inside and outside totally 31 the first point for measuring temperature S1-S31 being arranged in straight length 3.7 the first point for measuring temperature S1-S7 are set in straight length 3 inside; At straight length 3 outer setting 24 the first point for measuring temperature S8-S31, namely at more than 3 times of inner the first point for measuring temperature quantity arranged of straight length 3, this is because the radial extension that the soil removal and replacement hole 2 of environment is laid in simulation is more much bigger than the radial extension of straight length 3.Be arranged in along on 5 straight lines of straight length 3 radial direction at 24 the first point for measuring temperature S8-S31 of straight length 3 outside, 45 degree are spaced apart in these 5 straight lines between adjacent two straight lines, on 3 straight lines wherein, (on 0 degree of straight line in the drawings, 45 degree of straight lines and 90 degree of straight lines) arrange 6 first points for measuring temperature S8-S13, S14-S19, S20-S25 respectively, and on other 2 straight lines, (135 degree of straight lines in the drawings and 180 degree of straight lines on) arrange 3 first points for measuring temperature S26-S28, S29-S31 respectively.In addition, 7 the first point for measuring temperature S1-S7 arranged in straight length 3 inside and 9 first points for measuring temperature S8-S13, S29-S31 in the outer setting of straight length 3 are point-blank.
Wherein, in the inside of straight length 3, first point for measuring temperature S1-S7 is arranged on along on a straight line of straight length 3 radial direction, a first point for measuring temperature S4 in the first point for measuring temperature of straight length 31 inside in S1-S7 is positioned at the center of the xsect along this straight line of straight length 3, and other first point for measuring temperature S2-S7 is arranged equally spacedly along the radial direction of straight length 3.Such as, when the diameter of straight length 3 is 360 millimeters, the first point for measuring temperature S1-S7 each other be spaced apart 60mm.In the present embodiment, first point for measuring temperature S1, S7 is arranged on the inwall of straight length 3.
In addition, in the outside of straight length 3, first point for measuring temperature S8-S31 is arranged on many straight lines that the circumference along straight length 3 angularly configures, in the present embodiment the first point for measuring temperature S8-S31 of the outside of straight length 3 be arranged in extend along straight length 3 radial direction and angle is each other on 5 straight lines of 45 degree, and the first point for measuring temperature S8 be separately positioned on these 5 straight lines, S14, S20, S26, S29 is all arranged on the periphery wall of straight length 3, other first point for measuring temperature S9-S13 on every bar straight line, S15-S19, S21-S25, S27-S28, the first point for measuring temperature S8 of S30-S31 respectively from the periphery wall being arranged on this straight length 3, S14, S20, S26, S29 radial direction extends ground and arranges, the first point for measuring temperature S8-S31 spacing each other on these straight lines radially outward increases gradually along described straight length 3 respectively.
In the present embodiment, the spacing of the first point for measuring temperature in straight length 3 outside adopts arithmetic progression configuration, such as, is 0.1m, 0.2m, 0.3m, 0.4m, 0.5m in turn in the first point for measuring temperature S8-S13 spacing each other.In fact, based on existing for carrying the size of the diameter of the pipeline of thermal medium, the spacing between the first point for measuring temperature of straight length 3 outside is preferably not less than 0.1m and is not more than 0.5m.
In addition, in the present embodiment, the first point for measuring temperature S1-S7 in the inside of straight length 3 be arranged on along on a straight line of straight length 3 radial direction at least part of first point for measuring temperature S8-S13, S29-S31 of the outside of straight length 3.Certainly, in some concrete condition, by the first point for measuring temperature of straight length 3 inside and can be arranged on along on a straight line of straight length 3 radial direction at all first points for measuring temperature of straight length 3 outside.
In the present embodiment simultaneously, the mode that the second point for measuring temperature in all interphase point for measuring temperature groups 32 is arranged is identical with the mode that the first point for measuring temperature S1-S7 of the inside being arranged on straight length 3 in present embodiment arranges, namely, the second point for measuring temperature in each interphase point for measuring temperature group 32 is arranged on along on a straight line of straight length 3 radial direction, one of them second point for measuring temperature is positioned at the center comprising the xsect of this straight line of straight length 3, and other second point for measuring temperature is arranged equally spacedly along the radial direction of straight length 3.
It should be noted that, in the present embodiment, need configuration three temperature sensors to measure the temperature at different point for measuring temperature place respectively at each first point for measuring temperature S1-S31 and each second point for measuring temperature place.In addition, in the present embodiment, soil removal and replacement hole 2 is rectangular shape and straight length 3 is pipe section, and when being arranged on by straight length 3 in soil removal and replacement hole 2, the center line of straight length 3 is parallel with lower surface with the upper surface of this rectangular parallelepiped.And in the present embodiment, length and the width in soil removal and replacement hole 2 are 10m, are highly 3m.But in fact the shape and size in soil removal and replacement hole 2 can suitably be selected according to actual needs.
Fig. 4 shows the schematic diagram of the another kind of arrangement of each first point for measuring temperature in center point for measuring temperature group according to first embodiment of the invention.The arrangement difference of itself and each first point for measuring temperature shown in Fig. 3 is, originally the straight line being provided with 3 the first points for measuring temperature increases the quantity of the first point for measuring temperature further, the quantity of the first point for measuring temperature that 5 straight lines shown in Figure 4 are arranged is consistent, and is 6 in the diagram.The temperature parameter in soil removal and replacement hole 2 can be measured so more accurately and grasp thermal medium conveyance conduit further and lay the thermo parameters method situation in environment.
Fig. 5 shows the schematic diagram of another arrangement of each first point for measuring temperature in center point for measuring temperature group according to first embodiment of the invention.The arrangement difference of itself and each first point for measuring temperature shown in Fig. 3 is, in Fig. 3, only the first point for measuring temperature is set on the half cycle of straight length 3, in Figure 5 then the first point for measuring temperature is set on the complete cycle of straight length 3, add the quantity of the first point for measuring temperature simultaneously, multiple first points for measuring temperature shown in Figure 5 are arranged on 8 straight lines of the complete cycle spaced at equal angles around of straight length 3, and the first point for measuring temperature on every bar straight line remain 6.
In fact, this first point for measuring temperature according to parameters such as the sizes in the diameter of straight length 3, soil removal and replacement hole 2 or can be implemented according to the actual needs of carried out experiment within the scope of the invention in the quantity of the layout of the outside of straight length 3 and arrangement, and is not limited to above-mentioned situation about illustrating.
In addition, figure 6 illustrates the schematic diagram of the unitary construction of temperature measurement system second embodiment of the invention.In the present embodiment, be arranged at straight length 3 in the process in soil removal and replacement hole 2, pipe box 4 is set respectively at the two ends of straight length 3.And interface point for measuring temperature group 32 can be arranged on the both sides of this pipe box 4.In the situations such as the interior media of this sleeve pipe 4 in replacing soil removal and replacement hole 2 while the pipeline of the straight length 3 be arranged in soil removal and replacement hole 2 and soil removal and replacement being cheated to 2 outsides plays connection function, straight length 3 is effectively protected.
In addition, it should be explicitly made clear at this point, in the process of practical application technical solution of the present invention, straight length 3 can be made built on stilts in soil removal and replacement hole 2, namely do not cheat any medium of filling in 2 in soil removal and replacement; Or filling comprises the medium of water, soil, sand and composition thereof in soil removal and replacement hole 2.
In the embodiment shown in Fig. 1 and Fig. 6, the upper surface in soil removal and replacement hole 2 is a little more than ground 1.But the upper surface in soil removal and replacement hole 2 can with ground 1 on sustained height, or a little less than ground 1.
The arrangement of point for measuring temperature is not limited to the embodiment provided above.The temperature sensor that point for measuring temperature place is arranged can be the temperature sensor of any type well known in the prior art, in this no limit.Temperature signal can be transferred to corresponding receiver or controller by sensor in wired or wireless manner, does not do concrete restriction at this.In addition, except temperature sensor, can also cheat in 2 in soil removal and replacement the sensor (such as pressure transducer) that other type is set, to monitor the environmental baseline in soil removal and replacement hole 2, particularly when filling medium in 2 is cheated in soil removal and replacement.
Can by support by multiple sensor settings at predetermined point for measuring temperature place, certainly the present invention is not limited thereto.
In sum, by adopting above-mentioned technical scheme, the invention provides a kind of thermal medium conveyance conduit and lay the temperature measurement system of environment, it can be changed laid condition, thus realizes simulating the thermal drying of the hot medium pipeline that difference is laid under environment and testing.
Like this, can by adopting above-mentioned technical scheme, realize following test: 1. in thermal medium conveyance conduit stopping transportation process in thermal medium conveyance conduit heat medium temperature in the distribution of thermal medium conveyance conduit radial direction, and the temperature drop along thermal medium conveyance conduit radial direction of thermal medium conveyance conduit surrounding soil; 2, in thermal medium conveyance conduit, start the change of heat medium temperature in thermal medium conveyance conduit in conveying thermal medium process, and the process of establishing in thermal medium conveyance conduit Soil Surrounding temperature field; 3, the heat medium temperature in the thermal medium conveyance conduit after the stable conditions of conveying thermal medium, and the distribution of thermal medium conveyance conduit Soil Surrounding temperature.
And, technology in the present invention can based on large-scale experiment circuit, clay, sandy soil, water and simulation suspended pipe line etc. can be changed in the soil removal and replacement hole that pipeline hydraulic, heating power steady component are set up, in order to study the different temperature drop law of laid condition pipeline and the temperature field of periphery, because herein is provided very important research platform.
It should be noted that, protection scope of the present invention is not limited to the embodiment illustrated by above-mentioned specific embodiment, as long as but the combination meeting the technical characteristic of claim of the present invention just fall within protection scope of the present invention.
Claims (14)
1. thermal medium conveyance conduit and lay the temperature measurement system of environment, it is characterized in that, described system comprises:
Soil removal and replacement is cheated, the straight length that the heating power at least partially of described thermal medium conveyance conduit is stable is arranged in described soil removal and replacement hole, on at least one direction of the radial direction along described straight length, the distance between the border that the center line of described straight length and described soil removal and replacement are cheated is not less than the heating power influence distance in the radial direction of described thermal medium conveyance conduit; And
Point for measuring temperature, described point for measuring temperature be arranged on described soil removal and replacement hole inside and/or described soil removal and replacement hole around, described point for measuring temperature comprises center point for measuring temperature group, described center point for measuring temperature group is arranged on the center position on the length direction in described soil removal and replacement hole, and described center point for measuring temperature group is included in multiple first points for measuring temperature being separately positioned on the inside of described straight length and the outside of described straight length in the cross section perpendicular to the length direction of described straight length.
2. system according to claim 1, it is characterized in that, in the inside of described straight length, multiple described first point for measuring temperature the radial direction along described straight length the first-class spacing of a straight line arrange, wherein, one in the multiple described first point for measuring temperature center being positioned at described straight length.
3. system according to claim 2, is characterized in that, the inwall of described straight length arranges two described first points for measuring temperature.
4. system according to claim 1, it is characterized in that, in the outside of described straight length, multiple described first point for measuring temperature is arranged on many straight lines that the radial direction along described straight length extends, wherein, between adjacent two straight lines, angulation is identical, and at least one in multiple described first point for measuring temperature is arranged on the periphery wall of described straight length, spacing radially outward the increasing gradually along described straight length between multiple described first point for measuring temperature of the outside of described straight length.
5. system according to claim 4, is characterized in that, the spacing of described first point for measuring temperature in the outside of described straight length adopts arithmetic progression configuration, and this spacing is not less than 0.1m and is not more than 0.5m.
6. the system according to any one of claim 1-5, it is characterized in that, described first point for measuring temperature in the inside of described straight length is arranged on along on a straight line of the radial direction of described straight length with described at least partly the first point for measuring temperature in the outside of described straight length.
7. system according to claim 1, it is characterized in that, described point for measuring temperature comprises at least one component interface point for measuring temperature group, described at least one component interface point for measuring temperature group is in the interfacial position of at least one end near described soil removal and replacement hole and described straight length, be arranged on inner side and/or the outside in described soil removal and replacement hole, described interphase point for measuring temperature group is included in multiple second points for measuring temperature being arranged on the inside of described straight length in the cross section perpendicular to the length direction of described straight length.
8. system according to claim 7, it is characterized in that, in the interfacial position of described soil removal and replacement hole with at least one end of described straight length, interphase point for measuring temperature group described in one group is set respectively in the inner side and outer side that described soil removal and replacement is cheated, and the distance of the described interphase point for measuring temperature group in the inner side that described soil removal and replacement is cheated and the length direction along described straight length between the described interphase point for measuring temperature group in the outside that described soil removal and replacement is cheated and described interphase is equal to each other.
9. system according to claim 8, is characterized in that, multiple described second point for measuring temperature the radial direction along described straight length the first-class spacing of a straight line arrange, wherein, one in the multiple described second point for measuring temperature center being positioned at described straight length.
10. system according to claim 1, it is characterized in that, described soil removal and replacement hole is rectangular shape and described straight length is pipe section, when being arranged on by described straight length in described soil removal and replacement hole, makes the center line of described straight length parallel with lower surface with the upper surface of described rectangular parallelepiped.
11. systems according to claim 10, is characterized in that, length and the width in described soil removal and replacement hole are 10m, are highly 3m.
12. systems according to claim 1, is characterized in that, in the inside of described straight length, the straight line in the radial direction along described straight length are arranged at least three described points for measuring temperature; In the outside of described straight length, the straight line in the radial direction along described straight length is arranged at least three described points for measuring temperature.
13. systems according to claim 1, is characterized in that,
In the outside of described straight length, be separated by the circumferential 45 degree, 5 straight lines extending along the radial direction of described straight length arrange described point for measuring temperature, wherein, 0 degree of straight line, 45 degree of straight lines and 90 degree of straight lines arrange 6 described points for measuring temperature respectively, and the outer peripheral face from described straight length towards on the direction of radial outside, the distance between adjacent described point for measuring temperature is respectively 0.1m, 0.2m, 0.3m, 0.4m, 0.5m; 135 degree of straight lines and 180 degree of straight lines arrange 3 described points for measuring temperature respectively, and the outer peripheral face from described straight length on the direction of radial outside, the distance between adjacent described point for measuring temperature is respectively 0.1m, 0.2m,
In the inside of described straight length, the radial direction along described straight length the first-class spacing of a straight line 7 described points for measuring temperature are set, namely, in the inside of described straight length, 7 points for measuring temperature are set equally spacedly along described 0 degree of straight line.
14. systems according to claim 1, is characterized in that,
Make described straight length built on stilts in described soil removal and replacement hole, i.e. the not any medium of filling in described soil removal and replacement hole; Or
In described soil removal and replacement hole, filling comprises the medium of water, soil, sand and composition thereof.
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| CN109839209A (en) * | 2017-11-29 | 2019-06-04 | 中国石油天然气股份有限公司 | The monitoring instrument of the thermal coefficient in the temperature field and soil of pipeline soil |
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| KR100986704B1 (en) * | 2009-12-17 | 2010-10-08 | 부영산전주식회사 | Duplex pipe line having sensors for inspecting state thereof |
| CN202101790U (en) * | 2011-06-15 | 2012-01-04 | 东北石油大学 | System for testing temperature distribution of soil surrounding buried hot oil pipeline |
| CN102928193B (en) * | 2012-10-24 | 2015-11-18 | 西南石油大学 | The simulation of hot oil pipeline low temperature environment and radial temperature monitoring system |
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Effective date of registration: 20220210 Address after: 100029 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Patentee after: State pipe network group east crude oil storage and Transportation Co.,Ltd. Patentee after: XUZHOU JINQIAO PETROCHEMICAL PIPELINE TRANSPORTATION TECHNOLOGY CO.,LTD. Address before: 100029 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Patentee before: PIPELINE STORAGE AND TRANSPORT BRANCH OF CHINA PETROLEUM & CHEMICAL Corp. Patentee before: XUZHOU JINQIAO PETROCHEMICAL PIPELINE TRANSPORTATION TECHNOLOGY CO.,LTD. |
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