CN205067291U - Permeability test device that syringe formula and pump station formula are compatible - Google Patents
Permeability test device that syringe formula and pump station formula are compatible Download PDFInfo
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- CN205067291U CN205067291U CN201520827913.0U CN201520827913U CN205067291U CN 205067291 U CN205067291 U CN 205067291U CN 201520827913 U CN201520827913 U CN 201520827913U CN 205067291 U CN205067291 U CN 205067291U
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Abstract
(B, ) the utility model discloses a permeability test device that syringe formula and pump station formula are compatible is including compatible formula pressurization system, this compatibility formula pressurization system includes two -way pneumatic cylinder, with the supply channel of two -way pneumatic cylinder lower part intercommunication, with the confession oil pipe way of two -way pneumatic cylinder upper portion intercommunication, with the quantitative plunger pump of supply channel intercommunication to the variable piston pump who reaches and supply oil pipe way intercommunication, be equipped with stop valve no. 1, stop valve no. 2 and switching -over valve no. 1 on the supply channel between two -way pneumatic cylinder and quantitative plunger pump in proper order, be connected with water supply branch pipe on stop valve no. 1 and the supply channel of stop valve between two, water supply branch pipe's delivery port communicates the water inlet of open infiltration appearance, is equipped with stop valve no. 3, flow sensor and pressure transmitter simultaneously on water supply branch pipe, be equipped with stop valve no. 4, switching -over valve no. 2, choke valve and cooler on the confession oil pipe way between two -way pneumatic cylinder and variable piston pump in proper order, its advantage lies in, can realize the long -time infiltration and infiltration sudden change of rotten volume fractured rock. (B, )
Description
Technical field
the utility model relates to a kind of infiltration experiment device, is specifically related to the infiltration experiment device of a kind of syringe type and pumping plant formula compatibility.
Background technology
genesis of Karst Subsided Column extensive development in North China type coalfield Permo-carboniferous period stratum.In progress of coal mining, once karst collapse col umn is disclosed, usually there is water bursting disaster, cause the Loss of Life and property that colliery is huge.In order to explain Water Inrush From Karstic Collapse Columns mechanism, need to carry out the long-time permeability test of variable mass fractured rock and infiltration mutant test.Existing standard equipment is difficult to meet long-time infiltration and permeate the requirement suddenling change and realize in same test, and it is completely necessary for developing special (off-gauge) variable mass fractured rock infiltration experiment system.
current fractured rock permeability test method mainly can be summarized as two kinds, and the first utilizes pump to apply pressure to rock sample one end continuously, and the second is one end applying pressure of syringe type energy storage device to rock sample.The former drawback, the seepage pressure gathered during test cannot regulate according to set testing program and control.The latter's drawback, the limited volume of syringe type energy storage device, after infiltration sudden change occurs rock sample, flow increases considerably, and energy storage device does not have enough water sources to continue to provide seepage water pressure.
Utility model content
the utility model object is: provide on a kind of basis realizing syringe type penetration mode, realize pumping plant formula penetration mode simultaneously, and two kinds of penetration modes can be carried out freely switch, and the long-time infiltration of variable mass fractured rock and the syringe type of infiltration sudden change and the infiltration experiment device of pumping plant formula compatibility can be realized in same test.
the technical solution of the utility model is: the infiltration experiment device of a kind of syringe type and pumping plant formula compatibility, comprises open permeameter, and the Campatible compression system be connected with described open permeameter;
described Campatible compression system comprises two-way hydraulic cylinder, the supply channel be communicated with described two-way hydraulic cylinder bottom, the oil feed line be communicated with described two-way hydraulic cylinder top, the quantitative plunger pump be communicated with described supply channel, and the Variable plunger pump be communicated with described oil feed line;
supply channel between two-way hydraulic cylinder and quantitative plunger pump is provided with successively stop valve one, stop valve two and reversal valve one, supply channel between stop valve one and stop valve two is connected with water supply arm, the water delivering orifice of water supply arm is communicated with the water inlet of open permeameter, is provided with stop valve three, flow sensor and pressure unit on water supply arm simultaneously;
oil feed line between two-way hydraulic cylinder and Variable plunger pump is provided with successively stop valve four, reversal valve two, throttling valve and refrigeratory.
as preferred technical scheme, the supply channel between quantitative plunger pump and reversal valve one is connected with overflow passage one, described overflow passage one is provided with tensimeter one and surplus valve one.
as preferred technical scheme, the oil feed line between Variable plunger pump and reversal valve two is connected with overflow passage two, described overflow passage two is provided with tensimeter two and surplus valve two.
the infiltration experiment device of syringe type of the present utility model and pumping plant formula compatibility, its long-time permeability test concrete grammar is as follows:
reversal valve two is placed in oil return position by step 1), opens stop valve four, stop valve one and stop valve two, closes stop valve three, reversal valve one is placed in into water position, by quantitative plunger pump to the water filling of two-way hydraulic cylinder cavity of resorption, after water filling, close stop valve two, reversal valve two is placed in meta;
step 2) open stop valve three, reversal valve two spool is placed in oil-feed position, start Variable plunger pump, the hydraulic oil exported by Variable plunger pump enters into two-way hydraulic cylinder epicoele through subcooler, throttling valve, reversal valve two and stop valve four, hydraulic oil drives the piston rod of two-way hydraulic cylinder to move downward, the water of two-way hydraulic cylinder cavity of resorption enters into open permeameter through stop valve one, stop valve three, flow sensor, and the pressure unit on water supply arm shows in real time and stores broken rock sample lower end pressure;
step 3), after the water of two-way hydraulic cylinder cavity of resorption is finished, is suspended test, by quantitative plunger pump water filling again, is continued to permeate broken rock sample.
as preferred technical scheme, step 2) in overflow passage two is set in oil feed line, and control the oil pressure of two-way hydraulic cylinder epicoele by the surplus valve two be located on overflow passage two, and end pressure under indirectly controlling rock sample.
the infiltration experiment device of syringe type of the present utility model and pumping plant formula compatibility, its infiltration mutant test concrete grammar is as follows:
broken rock sample fluctuations in discharge rule is observed in long-time permeability test process, when flow rate fluctuation is larger, open stop valve three and stop valve two, close stop valve one, close Variable plunger pump, start quantitative plunger pump, the water exported by quantitative plunger pump enters into open permeameter through reversal valve one, stop valve two and stop valve three, flow sensor, and the pressure unit on water supply arm shows in real time and stores broken rock sample lower end pressure.
as preferred technical scheme, overflow passage one is set in supply channel, and controls end pressure under rock sample by the surplus valve one be located on overflow passage one.
the utility model has the advantages that:
1. the utility model is on the basis realizing syringe type penetration mode, realizes pumping plant formula penetration mode simultaneously, and can carry out two kinds of penetration modes and freely switch, and can realize long-time infiltration and the infiltration sudden change of variable mass fractured rock in same test.
Accompanying drawing explanation
below in conjunction with drawings and Examples, the utility model is further described:
fig. 1 is the utility model structural representation;
wherein: 1 open permeameter, 2 two-way hydraulic cylinders, 3 supply channels, 4 oil feed lines, 5 quantitative plunger pumps, 6 Variable plunger pumps, 7 stop valve one, 8 stop valves two, 9 reversal valve one, 10 water supply arms, 11 stop valve three, 12 flow sensors, 13 pressure units, 14 overflow passage one, 15 tensimeter one, 16 surplus valves one, 17 stop valve four, 18 reversal valve two, 19 throttling valve, 20 refrigeratorys, 21 overflow passage two, 22 tensimeter two, 23 surplus valves two.
Embodiment
embodiment: with reference to shown in Fig. 1, the infiltration experiment device of a kind of syringe type and pumping plant formula compatibility, comprises open permeameter 1, and the Campatible compression system be connected with open permeameter 1.
this Campatible compression system comprises two-way hydraulic cylinder 2, the supply channel 3 be communicated with two-way hydraulic cylinder 2 bottom, the oil feed line 4 be communicated with two-way hydraulic cylinder 2 top, the quantitative plunger pump 5 be communicated with supply channel 3, and the Variable plunger pump 6 be communicated with oil feed line 4; Supply channel 3 between two-way hydraulic cylinder 2 and quantitative plunger pump 5 is provided with successively stop valve 1, stop valve 28 and reversal valve 1, supply channel 3 between stop valve 1 and stop valve 28 is connected with water supply arm 10, the water delivering orifice of water supply arm 10 is communicated with the water inlet of open permeameter 1, is provided with stop valve 3 11, flow sensor 12 and pressure unit 13 on water supply arm 10 simultaneously; Supply channel 3 simultaneously between quantitative plunger pump 5 and reversal valve 1 is connected with overflow passage 1, and overflow passage 1 is provided with tensimeter 1 and surplus valve 1.
the oil feed line 4 of the utility model between two-way hydraulic cylinder 2 and Variable plunger pump 6 is provided with stop valve 4 17, reversal valve 2 18, throttling valve 19 and refrigeratory 20 successively; Oil feed line 4 simultaneously between Variable plunger pump 6 and reversal valve 2 18 is connected with overflow passage 2 21, and overflow passage 2 21 is provided with tensimeter 2 22 and surplus valve 2 23.
the infiltration experiment device of syringe type of the present utility model and pumping plant formula compatibility, its long-time permeability test concrete grammar is as follows:
reversal valve 2 18 is placed in oil return position by step 1), open stop valve 4 17, stop valve 1 and stop valve 28, close stop valve 3 11, reversal valve 1 is placed in into water position, by quantitative plunger pump 6 to the water filling of two-way hydraulic cylinder 2 cavity of resorption, after water filling, close stop valve 28, reversal valve 2 18 is placed in meta;
step 2) open stop valve 3 11, reversal valve 2 18 spool is placed in oil-feed position, start Variable plunger pump 6, the hydraulic oil exported by Variable plunger pump 6 enters into two-way hydraulic cylinder 2 epicoele through subcooler 20, throttling valve 19, reversal valve 2 18 and stop valve 4 17, hydraulic oil drives the piston rod of two-way hydraulic cylinder 2 to move downward, the water of two-way hydraulic cylinder 2 cavity of resorption enters into open permeameter 1 through stop valve 1, stop valve 3 11, flow sensor 12, and the pressure unit 13 on water supply arm 10 shows in real time and stores broken rock sample lower end pressure; Overflow passage 2 21 is set in oil feed line 4 simultaneously, and controls the oil pressure of two-way hydraulic cylinder 2 epicoele by the surplus valve 2 23 be located on overflow passage 2 21, and end pressure under indirectly controlling rock sample.
step 3), after the water of two-way hydraulic cylinder 2 cavity of resorption is finished, is suspended test, by quantitative plunger pump 5 water filling again, is continued to permeate broken rock sample.
the infiltration experiment device of syringe type of the present utility model and pumping plant formula compatibility, its infiltration mutant test concrete grammar is as follows:
broken rock sample fluctuations in discharge rule is observed in long-time permeability test process, when flow rate fluctuation is larger, open stop valve 3 11 and stop valve 28, close stop valve 1, close Variable plunger pump 6, start quantitative plunger pump 5, the water exported by quantitative plunger pump 5 enters into open permeameter 1 through reversal valve 1, stop valve 28 and stop valve 3 11, flow sensor 12, and the pressure unit 13 on water supply arm 10 shows in real time and stores broken rock sample lower end pressure; Simultaneously overflow passage 1 is set in supply channel 3, and controls end pressure under rock sample by the surplus valve 1 be located on overflow passage 1.
above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed within protection domain of the present utility model.
Claims (3)
1. an infiltration experiment device for syringe type and pumping plant formula compatibility, comprises open permeameter (1), it is characterized in that, also comprises the Campatible compression system be connected with described open permeameter (1);
Described Campatible compression system comprises two-way hydraulic cylinder (2), the supply channel (3) be communicated with described two-way hydraulic cylinder (2) bottom, the oil feed line (4) be communicated with described two-way hydraulic cylinder (2) top, the quantitative plunger pump (5) be communicated with described supply channel (3), and the Variable plunger pump (6) be communicated with described oil feed line (4);
Supply channel (3) between two-way hydraulic cylinder (2) and quantitative plunger pump (5) is provided with successively stop valve one (7), stop valve two (8) and reversal valve one (9), supply channel (3) between stop valve one (7) and stop valve two (8) is connected with water supply arm (10), the water delivering orifice of water supply arm (10) is communicated with the water inlet of open permeameter (1), is provided with stop valve three (11), flow sensor (12) and pressure unit (13) on water supply arm (10) simultaneously;
Oil feed line (4) between two-way hydraulic cylinder (2) and Variable plunger pump (6) is provided with successively stop valve four (17), reversal valve two (18), throttling valve (19) and refrigeratory (20).
2. the infiltration experiment device of syringe type according to claim 1 and pumping plant formula compatibility, it is characterized in that, supply channel (3) between quantitative plunger pump (5) and reversal valve one (9) is connected with overflow passage one (14), and described overflow passage one (14) is provided with tensimeter one (15) and surplus valve one (16).
3. the infiltration experiment device of syringe type according to claim 1 and pumping plant formula compatibility, it is characterized in that, oil feed line (4) between Variable plunger pump (6) and reversal valve two (18) is connected with overflow passage two (21), and described overflow passage two (21) is provided with tensimeter two (22) and surplus valve two (23).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520827913.0U CN205067291U (en) | 2015-10-23 | 2015-10-23 | Permeability test device that syringe formula and pump station formula are compatible |
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| CN201520827913.0U CN205067291U (en) | 2015-10-23 | 2015-10-23 | Permeability test device that syringe formula and pump station formula are compatible |
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| CN205067291U true CN205067291U (en) | 2016-03-02 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181557A (en) * | 2015-10-23 | 2015-12-23 | 盐城工学院 | Injector and pump station compatible penetration test device |
| CN105628590A (en) * | 2016-04-01 | 2016-06-01 | 盐城工学院 | Water-sand two-phase seepage testing device for broken rock |
| CN105628589A (en) * | 2016-04-01 | 2016-06-01 | 盐城工学院 | Injector type crushed rock permeability test device capable of adding sand continuously |
| CN105675472A (en) * | 2016-04-01 | 2016-06-15 | 盐城工学院 | Pump station type broken rock seepage test device capable of feeding sand continuously |
| CN105758779A (en) * | 2016-04-01 | 2016-07-13 | 盐城工学院 | Broken rock permeability test device capable of continuously feeding sand in multiple ways |
| CN106525693A (en) * | 2016-12-27 | 2017-03-22 | 盐城工学院 | Hydraulic type penetration pressure loading device used for rock penetration test |
-
2015
- 2015-10-23 CN CN201520827913.0U patent/CN205067291U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181557A (en) * | 2015-10-23 | 2015-12-23 | 盐城工学院 | Injector and pump station compatible penetration test device |
| CN105628590A (en) * | 2016-04-01 | 2016-06-01 | 盐城工学院 | Water-sand two-phase seepage testing device for broken rock |
| CN105628589A (en) * | 2016-04-01 | 2016-06-01 | 盐城工学院 | Injector type crushed rock permeability test device capable of adding sand continuously |
| CN105675472A (en) * | 2016-04-01 | 2016-06-15 | 盐城工学院 | Pump station type broken rock seepage test device capable of feeding sand continuously |
| CN105758779A (en) * | 2016-04-01 | 2016-07-13 | 盐城工学院 | Broken rock permeability test device capable of continuously feeding sand in multiple ways |
| CN105675472B (en) * | 2016-04-01 | 2018-02-06 | 盐城工学院 | A kind of sustainable plus sand pumping plant formula fractured rock infiltration experiment device |
| CN105628589B (en) * | 2016-04-01 | 2018-02-06 | 盐城工学院 | A kind of sustainable plus sand syringe type fractured rock infiltration experiment device |
| CN105628590B (en) * | 2016-04-01 | 2018-02-06 | 盐城工学院 | A kind of experimental rig for fractured rock water sand two phase fluid flow |
| CN105758779B (en) * | 2016-04-01 | 2018-06-19 | 盐城工学院 | A kind of sustainable multipath adds the fractured rock infiltration experiment device of sand |
| CN106525693A (en) * | 2016-12-27 | 2017-03-22 | 盐城工学院 | Hydraulic type penetration pressure loading device used for rock penetration test |
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