CN113295543A - Pipeline high-temperature blasting test equipment and method - Google Patents
Pipeline high-temperature blasting test equipment and method Download PDFInfo
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- CN113295543A CN113295543A CN202110708646.5A CN202110708646A CN113295543A CN 113295543 A CN113295543 A CN 113295543A CN 202110708646 A CN202110708646 A CN 202110708646A CN 113295543 A CN113295543 A CN 113295543A
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- 238000005422 blasting Methods 0.000 title claims abstract description 78
- 238000012360 testing method Methods 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 111
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 238000012544 monitoring process Methods 0.000 claims abstract description 14
- 238000012806 monitoring device Methods 0.000 claims abstract description 7
- 238000005728 strengthening Methods 0.000 claims abstract description 5
- 239000000956 alloy Substances 0.000 claims description 19
- 229910045601 alloy Inorganic materials 0.000 claims description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 239000000523 sample Substances 0.000 claims description 9
- 230000000670 limiting effect Effects 0.000 claims description 8
- 238000005282 brightening Methods 0.000 claims description 6
- 238000009529 body temperature measurement Methods 0.000 claims description 5
- 238000004880 explosion Methods 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000008399 tap water Substances 0.000 claims description 3
- 235000020679 tap water Nutrition 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 238000010998 test method Methods 0.000 description 4
- 230000008719 thickening Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/18—Performing tests at high or low temperatures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/068—Special adaptations of indicating or recording means with optical indicating or recording means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0076—Hardness, compressibility or resistance to crushing
- G01N2203/0087—Resistance to crushing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
- G01N2203/0226—High temperature; Heating means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/023—Pressure
- G01N2203/0232—High pressure
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0274—Tubular or ring-shaped specimens
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/0641—Indicating or recording means; Sensing means using optical, X-ray, ultraviolet, infrared or similar detectors
- G01N2203/0647—Image analysis
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0694—Temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The invention discloses a pipeline high-temperature blasting test device which comprises a blasting test machine, a blasting water tank and an operation panel, wherein the blasting test machine comprises a machine body and a high-pressure water pipe, and the high-pressure water pipe is connected with a test pipe to provide blasting pressure; the blasting water tank comprises a strengthening tank body, a hydraulic switch device, a water body circulating heating device, an elastic base device, accessories thereof and a monitoring device, is used for bearing test pipes and provides multiple functions including temperature control, blasting monitoring and protection; the operation panel is used for carrying out remote operation control on the equipment. The high-temperature blasting test equipment and method for the pipeline, disclosed by the invention, have the characteristics of safety and high efficiency, can provide a stable and adjustable high-temperature environment, and can realize a pipe blasting test under a high-temperature condition.
Description
Technical Field
The invention belongs to the technical field of composite pipe preparation, and particularly relates to pipeline high-temperature blasting test equipment and a pipeline high-temperature blasting test method.
Background
The pipe bursting test is a test method for measuring the pressure-bearing capacity of the pipe rapidly and accurately. The strong thrust produced by blasting can cause large impact to surrounding objects, and especially when the blasting point appears at the metal joint position, the metal joint which receives the blasting impact force flies out at high speed just like a cannonball, and the direction is uncontrolled, and the danger is large. Thus, conventional blasting tests are typically conducted by hollowing out or using other enclosed spaces in the ground.
At present, a plurality of industries including the petroleum industry have the requirement of conveying high-temperature fluid under pressure, and how to quickly evaluate whether the performance of a pipeline meets the actual use requirement is a difficult problem. If the blasting test can be implemented in a high-temperature environment, the problem can be solved, and great practical significance is achieved.
Disclosure of Invention
In order to solve the problems, the invention provides pipeline high-temperature blasting test equipment and a pipeline high-temperature blasting test method.
In order to achieve the purpose, the invention adopts the technical scheme that: a pipeline high-temperature blasting test device comprises a blasting test machine, a blasting water tank and an operation panel, wherein the blasting test machine comprises a machine body and a high-pressure water pipe, and the high-pressure water pipe is connected with a test pipe to provide blasting pressure; the blasting water tank comprises a strengthening tank body, a hydraulic switch device, a water body circulating heating device, an elastic base device, accessories thereof and a monitoring device, is used for bearing test pipes and provides multiple functions including temperature control, blasting monitoring and protection; the operation panel is used for carrying out remote operation control on the equipment.
Further, strengthen the box and include case body and apron, the case body main part adds the energy absorbing layer for strengthening the thickening steel construction in the middle of, and the bottom is equipped with foraminiferous thickening steel sheet, the apron is kept away from the open end left and right sides and respectively has two exhaust holes, and the gas pocket orientation is 45 and sets up backward, high pressure water pipe can pass left side exhaust hole and get into this internal with experimental tubular product connection of case.
Furthermore, the hydraulic switch device comprises a hydraulic cylinder, a hydraulic cylinder base and hydraulic rods, and the hydraulic switch device is located on the left side and the right side of the outer portion of the box body, is driven by the hydraulic rods and is used for opening or locking the cover plate.
Furthermore, the elastic base device is composed of four high-strength alloy columns, a strong spring and a fixed base, the four alloy columns are arranged and fixed at the bottom of the box body in a rectangular mode, the strong spring is sleeved on the outer side of the alloy columns, and the upper end and the lower end of the strong spring are respectively welded with the fixed base and the bottom of the box body.
Furthermore, the middle part of the fixed base is concave, the two wings are provided with through holes, so that the top end of the alloy rod can penetrate through the through holes, and the fixed base can float up and down along the alloy rod; the left end and the right end of the alloy column are respectively provided with a group of fixed bases for placing pipes; tubular product passes the sleeve and places on unable adjustment base, and the sleeve of left end is equipped with the stop collar outward, and the both wings of stop collar are equipped with foraminiferous step, and it is fixed with unable adjustment base to pass the hole through the bolt, can play limiting displacement, leaves the space between the sleeve of right-hand member and the unable adjustment base, only limits the blasting back, and disconnection pipe end hits to the honeycomb type buffer who sets up in box one side.
Furthermore, a left plug and a right plug which are fixedly connected through threads are further arranged at the two end portions of the left sleeve and the right sleeve, a threaded hole is further formed in the middle of the left plug, a water pipe joint is connected with the threaded hole, a high-pressure water pipe can be connected with the water pipe joint to form a passage with the interior of the pipe, and the right plug is fixedly connected with the right sleeve in a sealing mode.
Furthermore, the water body circulation heating device is arranged behind the thickened steel plate at the bottom, a water inlet and a water outlet are respectively arranged at two opposite angle positions at the bottom of the box body, the water body enters the box body from the water inlet, and the heating pipes are spirally distributed under the thickened steel plate.
Further, the monitoring device comprises an image monitor and a temperature measurement, wherein the image monitor consists of an LED light-emitting lamp belt, a high-speed camera and a brightening light source; the four high-speed cameras are respectively provided with a brightening light source and are distributed at the opposite angle positions of the upper edges of the left side wall and the right side wall of the box body; the temperature measurement comprises a plurality of temperature probes arranged inside the water tank, the temperature probes are distributed on the periphery of the tank body, the water temperature conditions of all parts can be monitored in real time, and a display screen is further arranged on the outer side of the tank body and used for displaying the monitoring conditions.
Furthermore, the operation panel is connected with the explosion testing machine and the box body in a wired mode and located outside the safe distance, and the operation panel can control the water tank cover plate to be opened and closed remotely and monitor the temperature and pictures in the box body in real time.
In addition, the invention also provides a test method of the pipeline high-temperature blasting test equipment, which is characterized by comprising the following steps:
s1, installation preparation: preparing a tested pipe, and connecting sleeves at two ends to form a pipe section; one end of the pipe section is provided with a right plug and is fastened; erecting the pipe section and filling tap water; a left plug with a connecting water pipe joint is arranged at the water filling port; the high-pressure water pipe is inserted from the exhaust port and connected to the water pipe connector of the left plug; mounting the whole pipe section on a fixed support; a corresponding limiting sleeve is installed on a fixed base at one end of the left plug to fix the pipe section; injecting a certain amount of water into the box body, wherein the water is required to submerge the test pipe section, the circulating water pump is electrified, and the water path starts to circulate;
s2, electrifying the operation equipment, setting the test temperature of the water body circulating heating device through the operation panel according to the test standard, carrying out state adjustment, carrying out heating operation after the adjustment is finished, and heating the water body in the box body to the test specified temperature; then preserving the heat for 30min to ensure that the pipe section and the water body inside the pipe section reach the test temperature;
s3, starting the explosion testing machine, setting an upper limit pressure value and a lower limit pressure value, applying pressure to the pipe section through the high-pressure water pipe, and carrying out explosion testing;
and S4, controlling pressure and time by setting parameters, releasing pressure after the specified time is reached, opening a cover plate of the blasting water tank, and taking down the sample pipe.
Advantageous effects
The invention provides pipeline high-temperature blasting test equipment and method, and the technical scheme of the invention is that a reinforced large-capacity constant-temperature water tank is used as a container to provide a stable high-temperature environment, and multiple protection, monitoring and auxiliary devices are arranged in the high-temperature blasting test equipment and method, so that a safe and efficient high-temperature blasting test can be realized.
Drawings
FIG. 1 is a schematic structural diagram of a blasting water tank of the present invention;
FIG. 2 is a longitudinal sectional view of the blasting water tank of the invention along the pipe;
fig. 3 is a schematic structural diagram of the burst water tank of the present invention.
In the figure: 1. a tank body; 2. thickening a steel plate; 3. a hydraulic cylinder base; 4. a hydraulic cylinder; 5. a strong spring; 6. a fixed base; 7. a left plug; 8. a bolt; 9. a limiting sleeve; 10. a sleeve; 11. an alloy rod; 12. a cover plate; 13. a high-speed camera; 14. an LED light-emitting strip; 15. a pipe; 16. a temperature measuring probe; 17. a buffer device; 18. a display screen; 19. heating a tube; 20. a hydraulic lever; 21. a right plug; 22. and (4) exhausting holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A pipeline high-temperature blasting test device comprises a blasting test machine, a blasting water tank and an operation panel, wherein the blasting test machine comprises a machine body and a high-pressure water pipe, and the high-pressure water pipe is connected with a test pipe to provide blasting pressure; the blasting water tank (as shown in figures 1-3) comprises a strengthening tank body, a hydraulic switch device, a water body circulating heating device, an elastic base device, accessories thereof and a monitoring device, is used for bearing test pipes and provides multiple functions including temperature control, blasting monitoring and protection; the operation panel is used for carrying out remote operation control on the equipment.
The reinforced box body comprises a box body 1 and a cover plate 12, the main body is a reinforced thickened steel structure, an energy absorption layer is added in the middle, and a thickened steel plate 2 with holes is arranged at the bottom, so that accidents can be prevented; meanwhile, two exhaust holes 22 are respectively arranged on the left side and the right side of the cover plate 12 far away from the opening end, the air holes are arranged backwards at 45 degrees, and water vapor carried during pressure relief is prevented from being sprayed to an operator. The high-pressure water pipe can enter the box body 1 through the left exhaust hole 22 to be connected with the test pipe.
The hydraulic switch device comprises a hydraulic cylinder 4, a hydraulic cylinder base 3 and hydraulic rods 20, is located on the left side and the right side of the outer portion of the box body 1, is driven by the hydraulic rods 20, and is used for opening or locking the cover plate 12. When the cover plate 12 is closed, the hydraulic rod 20 is tightened to lock the box body, and the cover plate 12 is prevented from being pushed open by pressure generated by blasting.
The elastic base is composed of a high-strength alloy column 11, a strong spring 5 and a fixed base 6. Four high-strength alloy columns 11 are arranged and fixed at the bottom of the box body in a rectangular mode, a strong spring 5 is sleeved on the outer side of each alloy column 11, and the upper end and the lower end of each strong spring are respectively welded with the fixed base 6 and the bottom of the box body. The pipe is fixed on the fixed base 6. During blasting, the elastic fixed base 6 can remove a part of impact force to play a role in buffering.
The fixed base 6 is arranged with a concave middle part, and both wings are provided with through holes, so that the top end of the alloy rod 11 can pass through the through holes, and the fixed base 6 can float up and down along the alloy rod; the left end and the right end of the alloy column are respectively provided with a group of fixed bases 6 for placing the pipe 15; 15 both ends of tubular product are passed sleeve 10 and are placed on unable adjustment base 6, and the sleeve 10 of left end is equipped with stop collar 9 outward, and the both wings of stop collar 9 are equipped with foraminiferous step, and it is fixed with unable adjustment base 6 to pass the hole through bolt 8, can play limiting displacement, can effectively fix the pipeline section, and when preventing the blasting, the pipeline section is collided to the left side box, leads to high pressure water pipe damaged. The sleeve 10 at the right end is not tightly attached to the fixed base 6, a 3-5mm gap is reserved, only the limiting effect is achieved, the pipe does not fly to other directions after blasting, the pipe can accurately impact the honeycomb type buffer device 17 arranged on one side of the box body, and safety is guaranteed.
In addition, a left plug 7 and a right plug 21 which are fixedly connected through threads are further arranged at two end portions of the left sleeve 10 and the right sleeve 10, a threaded hole is further formed in the middle of the left plug 7 and is connected with a water pipe connector, a high-pressure water pipe can be connected with the water pipe connector to form a passage with the interior of the pipe, and the right plug 21 is fixedly connected with the right sleeve 10 in a sealing mode.
The water tank is also provided with a water body circulating heating device which is hidden below the bottom thickened steel plate 2, two diagonal positions at the bottom of the tank body are respectively provided with a water inlet and a water outlet, the water body enters the tank body from the water inlet, and heating pipes 19 are spirally distributed below the thickened steel plate; the water circulation in the box is beneficial to the uniformity of water temperature, and the condition of uneven cold and hot is avoided. Meanwhile, the heating pipe is hidden behind the thickened steel plate, so that the accidental damage in the blasting process can be avoided, and the potential safety hazard of a circuit is generated. The plurality of temperature measuring probes 16 are arranged in the water tank and distributed on the periphery of the tank body and the cross beam, so that the water temperature of each part can be monitored in real time, and the environment temperature of the water body is ensured to be uniform and stable; a display screen 18 is also arranged on the outer side of the box body 1 for displaying the monitoring condition.
The monitoring device comprises image monitoring and temperature measurement, wherein the image monitoring comprises an LED light-emitting lamp strip 14, a high-speed camera 13 and a brightening light source. The water tank body is provided with the multiple circles of LED light-emitting lamp belts, the LED light-emitting lamp belts are tightly attached to the inner side wall of the water tank body through the lower spiral, 4 high-speed cameras are further arranged in the water tank body and distributed at the opposite angle positions of the upper edge of the left side wall and the upper edge of the right side wall of the water tank body, each camera is provided with a brightening light source, clear sight is guaranteed, each detail of the full angle of the pipe blasting process can be clearly captured, the state of the pipe can be remotely monitored by an operator, safety is guaranteed, meanwhile, a pipe blasting video can be recorded, the blasting point and the blasting condition of the pipe can be captured, and the stress condition of the pipe can be conveniently analyzed according to the blasting scene in the later stage.
The blasting water tank is also provided with a remote operation panel which is connected with the blasting tester and the tank body in a wired mode, is positioned outside the safe distance and is generally required to be positioned in another room separated by a wall body. The signal is transmitted to an operation panel disposed outside the safety distance by wire. But operation panel real time monitoring four cameras shoot the picture and each sensor shows the temperature, simultaneously, can also realize remote switch water tank chamber door, prevent because of the potential safety hazard that high temperature or pressure release incompletely produced.
According to the technical scheme, the reinforced high-capacity constant-temperature water tank is used as a container, a stable high-temperature environment is provided, multiple protection, monitoring and auxiliary devices are arranged in the container, and a safe and efficient high-temperature blasting test can be realized.
When the method is used specifically, the method for testing the pipeline high-temperature blasting test equipment comprises the following steps:
(1) installation preparation: preparing a tested pipe, and connecting sleeves at two ends to form a pipe section; one end of the pipe section is provided with a right plug and is fastened; erecting the pipe section and filling tap water; a left plug with a connecting water pipe joint is arranged at the water filling port; the high-pressure water pipe is inserted from the exhaust port and connected to the water pipe connector of the left plug; mounting the whole pipe section on a fixed support; a corresponding limiting sleeve is installed on a fixed base at one end of the left plug to fix the pipe section; injecting a certain amount of water into the box body, wherein the water is required to submerge the test pipe section, the circulating water pump is electrified, and the water path starts to circulate;
(2) the operation equipment is powered on, the test temperature of the water body circulating heating device is set through the operation panel according to the test standard, the state is adjusted, heating operation is carried out after the adjustment is finished, and the temperature of the water body in the heating box body reaches the test specified temperature; then preserving the heat for 30min to ensure that the pipe section and the water body inside the pipe section reach the test temperature;
(3) and starting the blasting test machine, setting an upper limit pressure value and a lower limit pressure value, and applying pressure to the pipe section through the high-pressure water pipe to perform a blasting test.
(4) Through setting parameters, controlling pressure and time, releasing pressure after reaching the specified time, opening a cover plate of the blasting water tank, and taking down the sample pipe.
Claims (10)
1. A pipeline high-temperature blasting test device is characterized by comprising a blasting test machine, a blasting water tank and an operation panel which are connected through a line, wherein the blasting test machine comprises a machine body and a high-pressure water pipe, and the high-pressure water pipe is connected with a test pipe to provide blasting pressure; the blasting water tank comprises a strengthening tank body, a hydraulic switch device, a water body circulating heating device, an elastic base device, accessories thereof and a monitoring device, is used for bearing test pipes and provides multiple functions including temperature control, blasting monitoring and protection; the operation panel is used for carrying out remote operation control on the equipment.
2. The pipeline high-temperature blasting test device according to claim 1, wherein the reinforced box body comprises a box body (1) and a cover plate (12), the main body of the box body (1) is a reinforced thickened steel structure, an energy absorption layer is added in the middle of the steel structure, a thickened steel plate (2) with holes is arranged at the bottom of the steel structure, the cover plate (12) is far away from the left side and the right side of the opening end and is provided with two exhaust holes (22), the air holes are arranged backwards in an orientation of 45 degrees, and the high-pressure water pipe can penetrate through the left exhaust holes (22) to enter the box body (1) to be connected with a test pipe.
3. The pipeline high-temperature blasting test device according to claim 1, wherein the hydraulic switch device comprises a hydraulic cylinder (4), a hydraulic cylinder base (3) and a hydraulic rod (20), and the hydraulic switch device is located on the left side and the right side of the outer portion of the box body (1) and driven by the hydraulic rod (20) and used for opening or locking the cover plate (12).
4. The pipeline high-temperature blasting test device according to claim 1, wherein the elastic base device is composed of four high-strength alloy columns (11), strong springs (5) and a fixed base (6), the alloy columns (11) are arranged and fixed at the bottom of the box body (1) in a rectangular mode, the strong springs (5) are sleeved on the outer sides of the alloy columns (11), and the upper end and the lower end of each strong spring are respectively welded with the fixed base (6) and the bottom of the box body (1).
5. The pipeline high-temperature blasting test device according to claim 4, wherein the fixed base (6) is concave in the middle, and the two wings are provided with through holes through which the top ends of the alloy rods (11) can pass, so that the fixed base (6) can float up and down along the alloy rods (11); the left end and the right end of the alloy column (11) are respectively provided with a group of fixed bases (6) for placing a pipe (15); tubular product (15) both ends are passed sleeve (10) and are placed on unable adjustment base (6), sleeve (10) of left end is equipped with stop collar (9) outward, the both wings of stop collar (9) are equipped with foraminiferous step, it is fixed with unable adjustment base (6) to pass the hole through bolt (8), can play limiting displacement, leave the space between sleeve (10) of right-hand member and unable adjustment base (6), only be limited to the blasting back, the disconnection pipe end hits honeycomb type buffer (17) that sets up in box one side.
6. The pipeline high-temperature blasting test device according to claim 5, wherein a left plug (7) and a right plug (21) which are fixedly connected through threads are further arranged at two end portions of the left sleeve (10) and the right sleeve (10), a threaded hole is further formed in the middle of the left plug (7) and is connected with a water pipe connector, a high-pressure water pipe can be connected with the water pipe connector so as to form a passage with the interior of the pipe, and the right plug (21) is fixedly connected with the right sleeve (10) in a sealing mode.
7. The pipeline high-temperature blasting test device according to claim 1, wherein the water circulation heating device is arranged below the bottom thickened steel plate (2), two diagonal positions at the bottom of the box body (1) are respectively provided with a water inlet and a water outlet, water enters the box body from the water inlet, and the heating pipes (19) are spirally distributed below the thickened steel plate (2).
8. The pipeline high-temperature blasting test equipment according to claim 1, wherein the monitoring device comprises picture monitoring and temperature measurement, and the picture monitoring is composed of an LED light-emitting strip (14), a high-speed camera (13) and a brightening light source; the LED light-emitting lamp belts (14) are tightly attached to the inner side wall of the box from bottom to top in a spiral mode, and the number of the high-speed cameras (13) is four, and the four high-speed cameras are respectively provided with a brightening light source and are distributed at the opposite angle positions of the upper edges of the left side wall and the right side wall of the box body; the temperature measurement is composed of a plurality of temperature probes (16) arranged in the water tank, the temperature probes are distributed on the periphery of the tank body, the water temperature conditions of all parts can be monitored in real time, and a display screen (18) is arranged on the outer side of the tank body and used for displaying the monitoring conditions.
9. The pipeline high-temperature blasting test device according to claim 1, wherein the operation panel is connected with the blasting test machine and the box body in a wired mode and is located outside a safe distance, and the operation panel can control the water tank cover plate (11) to be remotely opened and closed and monitor the temperature and pictures in the box body in real time.
10. The method for testing a pipeline high temperature blasting test apparatus according to any one of claims 1 to 9, comprising the steps of:
s1, installation preparation: preparing a tested pipe, and connecting sleeves at two ends to form a pipe section; one end of the pipe section is provided with a right plug and is fastened; erecting the pipe section and filling tap water; a left plug with a connecting water pipe joint is arranged at the water filling port; the high-pressure water pipe is inserted from the exhaust port and connected to the water pipe connector of the left plug; mounting the whole pipe section on a fixed support; a corresponding limiting sleeve is installed on a fixed base at one end of the left plug to fix the pipe section; injecting a certain amount of water into the box body, wherein the water is required to submerge the test pipe section, the circulating water pump is electrified, and the water path starts to circulate;
s2, electrifying the operation equipment, setting the test temperature of the water body circulating heating device through the operation panel according to the test standard, carrying out state adjustment, carrying out heating operation after the adjustment is finished, and heating the water body in the box body to the test specified temperature; then preserving the heat for 30min to ensure that the pipe section and the water body inside the pipe section reach the test temperature;
s3, starting the explosion testing machine, setting an upper limit pressure value and a lower limit pressure value, applying pressure to the pipe section through the high-pressure water pipe, and carrying out explosion testing;
and S4, controlling pressure and time by setting parameters, releasing pressure after the specified time is reached, opening a cover plate of the blasting water tank, and taking down the sample pipe.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110708646.5A CN113295543B (en) | 2021-06-25 | 2021-06-25 | Pipeline high-temperature blasting test equipment and method |
| PCT/CN2021/103049 WO2022267073A1 (en) | 2021-06-25 | 2021-06-29 | High-temperature pipeline blasting test apparatus and method |
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| CN202110708646.5A CN113295543B (en) | 2021-06-25 | 2021-06-25 | Pipeline high-temperature blasting test equipment and method |
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| CN113295543A true CN113295543A (en) | 2021-08-24 |
| CN113295543B CN113295543B (en) | 2023-04-11 |
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| CN113295543B (en) | 2023-04-11 |
| WO2022267073A1 (en) | 2022-12-29 |
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