CN104535395B - A kind of pressure regulation pressure-retaining system of halmeic deposit pressurize transfer and its control method - Google Patents

A kind of pressure regulation pressure-retaining system of halmeic deposit pressurize transfer and its control method Download PDF

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CN104535395B
CN104535395B CN201510026213.6A CN201510026213A CN104535395B CN 104535395 B CN104535395 B CN 104535395B CN 201510026213 A CN201510026213 A CN 201510026213A CN 104535395 B CN104535395 B CN 104535395B
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China
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pressure
valve
pressurize
transfer
stop valve
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CN201510026213.6A
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CN104535395A (en
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陈刚
陈家旺
刘俊波
罗高生
顾临怡
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浙江大学
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Abstract

The present invention relates to hydraulic transmission technology field, it is desirable to provide a kind of pressure regulation pressure-retaining system of halmeic deposit pressurize transfer and its control method.The pressure regulation pressure-retaining system of the halmeic deposit pressurize transfer includes low-lift pump, high-pressure pump, check valve, filter, pressure transducer, stop valve, accumulator, proportional pressure control valve;The control method is used for the pressurize transfer process for realizing pressurize transfer device, including following processes:Pressurize transfer device pressurization pressure maintaining period, subsample transfer drum pressurization pressure maintaining period, the linker between mounting ball valve I, ball valve II pressure process.The present invention is in prescribed limit; the abyssal environment of any depth is simulated, the internal pressure that deep sea sediment sampler is measured by pressure transducer I, the oil pressure relief of adjust automatically pressurize transfer device; so that pressure is consistent with sampler internal pressure in pressurize transfer device, pressurize purpose is reached.

Description

A kind of pressure regulation pressure-retaining system of halmeic deposit pressurize transfer and its control method
Technical field
The present invention is with regard to hydraulic transmission technology field, more particularly to a kind of pressure regulation pressurize of halmeic deposit pressurize transfer System and its control method.
Background technology
Halmeic deposit sampling is one of basic means of abyssal environment and resource investigation, through the development reality of decades Trample, defined multiple effective sediment sampling modes, but the gastight sampling transfer equipment after sampling, develop always slow Slowly.
As the resources such as land oil, coal are day by day exhausted, seabed resources increasingly cause the attention of international ocean. Especially the gas hydrates in bottom sediment, are a kind of high-grade fuels.In big midocean, gas hydrates are in deposit In stable in 0~1000m depth.Due to gas hydrates be stable in the presence of so special under the conditions of certain cryogenic high pressure Physical performance, when the sea that rock core lifts normal temperature and pressure is exploited, the gas hydrates group branch that wherein contains is whole Or most of decomposition, do not reach exploration purpose in situ.
The existing halmeic deposit sampler of China can get deposit, water, gas and gas hydrates etc. at deep-sea Sample simultaneously carries out pressurize, and for the physical property of more preferable researching natural gas hydrate, sample is keeping the situation of Deep-sea high voltage Under laboratory is transferred to by original position, need whole pressurize.Pressurize transfer device described in the patent No. 201410419344.6, weight Point describes sample cutting, the course of work of transfer, to keeping the constant only rough description of pressure to select accumulator, sensing in device The elements such as device, stop valve controlling, not to how to reach cutting, the pressurize effect in transfer process illustrate, do not retouch yet State the course of work and using method of pressurizer.
Therefore, it is worked to ensure pressurize transfer device that a kind of pressure regulation pressure-retaining system of halmeic deposit pressurize transfer is developed In journey, pressure is constant, so as to ensure to shift the constant of sample environment to greatest extent, can really ensure sample detection data Genuine and believable most important.The achievement in research will promote the development of China's natural gas hydrate gastight sampling transfer research.Its Hydrate project is can be applied not only to, other comprehensive oceanographic survey projects can also be effectively generalized to, is modern marine Investigation field to higher, more accurately detecting important means, with very wide application and promotion prospect.
Content of the invention
Present invention is primarily targeted at overcoming deficiency of the prior art, there is provided a kind of for halmeic deposit pressurize turn The pressure regulation pressure-retaining system of shifting and its control method.For solving above-mentioned technical problem, the solution of the present invention is:
A kind of pressure regulation pressure-retaining system of halmeic deposit pressurize transfer is provided, for realizing the pressure inside pressurize transfer device Power is constant, sampler that pressurize transfer device includes being sequentially connected, cutter sweep, ball valve I, ball valve II, gripping mechanism, manipulation Between chamber, and sampler and cutter sweep, linker is respectively adopted between ball valve I and ball valve II connects, the halmeic deposit The pressure regulation pressure-retaining system of pressurize transfer includes low-lift pump, high-pressure pump, check valve, filter, pressure transducer, stop valve, accumulation of energy Device, proportional pressure control valve;The check valve is provided with three, respectively check valve I, check valve II, check valve III;The filter sets There are six, respectively filter I, filter II, filter III, filter IV, filter V, filter VI;The pressure is passed Sensor is provided with two, respectively pressure transducer I, pressure transducer II, and pressure transducer I is used for and pressurize transfer device Inside sampler, pressurize chamber is connected;The stop valve is provided with four, respectively stop valve I, stop valve II, stop valve III, cut Only valve IV;
Low-lift pump back pressure port respectively with check valve I, the back pressure port of check valve II are connected, check valve II Positive port is connected with filter VI, and the other end of filter VI is respectively used to:With ball valve I, ball valve II in pressurize transfer device Between linker connection, and be connected with stop valve III;The positive port of check valve I and check valve III, filter V it Between connecting pipeline be connected, and check valve I is by filter V and stop valve IV, the company between sampler, cutter sweep Logical device connection;Low-lift pump is used for being pumped to into pressurize transfer device full of low pressure liquid, and filter VI is used for purifying low-lift pump The liquid of extraction;
The high-pressure pump is connected with the back pressure port of check valve III, and the positive port of check valve III is gone here and there with filter V Connection, the other end of filter V are respectively used to:By the company in stop valve III and pressurize transfer device between ball valve I, ball valve II The connection of logical device, by the linker connection in stop valve IV and pressurize transfer device between sampler, cutter sweep, and with pressure Force transducer II connects (i.e. proportional pressure control valve is connected, for pressure release) with the output pipe of high-pressure pump;High-pressure pump is used for protecting Low pressure liquid in pressure transfer device is forced into specified high pressure, and filter V is used for the liquid for purifying high-pressure pump extraction;
One end of the filter I is connected with stop valve I, the other end of filter I be used for and pressurize transfer device in Cutter sweep, gripping mechanism, manipulation chamber are respectively connected with leading to;One end of the filter II is connected with stop valve II, filter II The other end be used for and pressurize transfer device in linker between ball valve I, ball valve II be connected;Filter I and filter II It is respectively used to purify the liquid flowed out in pressurize transfer device, stop valve I and stop valve II can be used for excluding pressurize transfer dress Air in putting;
One end of the filter III is connected with accumulator, the manipulation in the other end of filter III and pressurize transfer device The sampling tube of linker, sampler between chamber, sampler and cutter sweep is respectively connected with leading to;Filter III is used for filtrate Body, accumulator are used for reducing the pressure oscillation in pressurize transfer device, and the timely ftercompction when there is leakage;
One end of the filter IV is connected with proportional pressure control valve, and the other end of filter IV is respectively used to:By cut-off In valve III and pressurize transfer device between ball valve I, ball valve II linker connection, by stop valve IV and pressurize transfer device in Linker connection between sampler, cutter sweep;And pressure transducer II is connected on filter IV and stop valve III, stop valve Between IV;Filter IV is used for the deposit for adsorbing liquid in pressurize transfer device, and stop valve III is opened and closed for control piper;
One end of the stop valve IV is respectively used to:Connected with accumulator by filter III, in pressurize transfer device Manipulation chamber, and the linker between sampler, cutter sweep connects;The other end of stop valve IV is connected with filter V Logical;Stop valve IV is opened and closed for control piper.
In the present invention, the pressure regulation pressure-retaining system of the halmeic deposit pressurize transfer also includes controller, controller energy Receive the pressure data in pressurize chamber in the sampler that real-time monitors of pressure transducer I, and by pressure data and proportional pressure control valve Setting pressure compare, by adjust proportional pressure control valve, realize that the pressure in pressurize transfer device is constant in proportional pressure control valve Setting pressure, i.e., the initial pressure in pressurize chamber in sampler.
In the present invention, the controller adopts 51 singlechip control panels.
In the present invention, the high-pressure pump adopts upper tableland benefactor department HPP12.25N rustless steel high-pressure plunger pumps, low-lift pump Using Nantong Wu Jing companies 2821HB type plunger displacement pumps.
The control method of the pressure regulation pressure-retaining system based on a kind of described halmeic deposit pressurize transfer is provided, for realizing Before the pressurize transfer process of pressurize transfer device, and pressurize transfer device water filling, take inside the sampler in pressurize transfer device There is subsample, in pressurize transfer device, be filled with air, pressure is atmospheric pressure, and all valves, pump are in closure state, described Control method includes following processes:
First, pressurize transfer device pressurization pressure maintaining period;
2nd, subsample transfer drum pressurization pressure maintaining period;
3rd, the linker between mounting ball valve I, ball valve II pressure process;
In the process one, i.e., pressurize transfer device pressurization pressure maintaining period, specifically include following step:
Step A (pressurize transfer device liquid make-up stage):Open stop valve I, stop valve II, stop valve III, stop valve IV, low-lift pump is opened, liquid medium is rapidly entered by check valve II, check valve I and its stop valve III being connected, stop valve IV In pressurize transfer device, when stop valve I, stop valve II have solid stream of water to flow out, show air in pressurize transfer device Drain, now close stop valve I, stop valve II, close low-lift pump;
Step B (pressurize transfer device liquid pressing stage):The Opening pressure of setting ratio overflow valve is pressure transducer I Reading, open high-pressure pump, pressurizeed into pressurize transfer device by stop valve III, stop valve IV, until proportional pressure control valve is opened Open, have lasting liquid to flow out, show that pressure process is completed, consistent with sampler internal pressure inside pressurize transfer device;This When high-pressure pump still work on, in an overflow manner ensure pressurize transfer device in high pressure conditions;
In the process two, i.e., subsample transfer drum pressurization pressure maintaining period, specifically include following step:
Step C (removes the linker between ball valve I, ball valve II):Ball valve I, ball valve II is closed, stop valve III is closed, is beaten Stop valve II is opened, after pressure release, the linker between ball valve I, ball valve II is removed;
Step D (is installed subsample transfer drum and fills liquid):After subsample transfer drum is installed, low-lift pump is opened, is passed through Check valve II quickly fills liquid into transfer drum, and discharges air in cylinder by stop valve II;Treat that stop valve II constantly has After liquid flows out, stop valve II is closed, close low-lift pump;
Step E (is pressurizeed to subsample transfer drum):Stop valve IV is closed, by subsample transfer drum and pressurize transfer device Other chambers are disconnected;Stop valve III is opened, is pressurizeed to subsample transfer drum by high-pressure pump, is treated proportional pressure control valve constantly After having liquid to flow out, show that subsample transfer drum reaches same pressure with pressurize transfer device, now open stop valve IV, high Press pump and accumulator can be pressurize transfer device and subsample transfer drum pressurize jointly;
Step F (transfer sample simultaneously dismantles subsample transfer drum):Ball valve II is opened, subsample is pushed subsample transfer drum Afterwards, ball valve II is closed;Stop valve III is closed, stop valve II is opened, the linker between subsample transfer drum and ball valve II is carried out Pressure release, removes sample transfer drum after the completion of pressure release;
In the process three, i.e., linker pressure process between mounting ball valve I, ball valve II specifically include following steps Suddenly:
Step G (linker fill liquid) between mounting ball valve I, ball valve II:Between mounting ball valve I, ball valve II After linker, low-lift pump is opened, liquid is quickly filled into linker by check valve II, and connection is discharged by stop valve II Air in device;After stop valve II constantly has liquid to flow out, stop valve II is closed, low-lift pump is closed;
Step H (is pressurizeed to the linker between ball valve I, ball valve II):Stop valve IV is closed, by the company between ball valve I, ball valve II Logical device is disconnected with the manipulation chamber of pressurize transfer device;Stop valve III is opened, by high-pressure pump between ball valve I, ball valve II Linker pressurizes, after proportional pressure control valve constantly has liquid to flow out, show linker between ball valve I, ball valve II with pressurize Transfer device reaches same pressure, now opens stop valve IV, and high-pressure pump and accumulator can be pressurize transfer device pressurize jointly;
I.e. pressurize transfer device completes a pressurize transfer process of subsample, and the pressurize transfer of next round can directly from mistake Journey two starts.
Compared with prior art, the invention has the beneficial effects as follows:
1st, the abyssal environment of any depth in prescribed limit, is simulated, halmeic deposit is measured by pressure transducer I and is taken The internal pressure of sample device, the oil pressure relief of adjust automatically pressurize transfer device, so that pressure and sampling in pressurize transfer device Device internal pressure is consistent, reaches pressurize purpose.
2nd, real-time pressurize is realized, the present invention can maintain invariablenes pressure of liquid in pressurize transfer device, and realize real-time monitoring;This Bright by the way of the accumulator and the common pressurize of high-pressure pump overflow, both ensure that pressurize transfer device when there is pressure oscillation Quick response, can tackle the leakage situation that pressurize transfer device is likely to occur again, and pressurize works well.
3rd, the present invention by the way of low pressure and mass flow pump is combined with high pressure low discharge pump can significantly shorten pressurize and turn The time of moving device liquid make-up, the time of whole process is shifted so as to reduce pressurize.
4th, present configuration is simple, reasonable in design, and such as stop valve I, stop valve II can effectively exclude pressurize transfer device chamber Interior air, eliminates impact of the gas compression expansion to pressurize effect;I~filter of filter VI can be to the effective mistake of troubled liquor Filter, prevents impact of the troubled liquor such as sea water to precision that the elements such as valve are opened and closed.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the voltage-regulation principle schematic diagram of the present invention.
Reference in figure is:101 samplers;102 cutter sweeps;103 ball valves I;104 ball valves II;105 clampings are filled Put;106 manipulate chamber;201 pressure transducers I;202 filters I;203 stop valves I;204 filters II;205 stop valves II;206 Accumulator;207 filters III;208 proportional pressure control valves;209 filters IV;210 pressure transducers II;211 stop valves III;212 Stop valve IV;213 high-pressure pumps;214 low-lift pumps;215 check valves III;216 check valves I;217 check valves II;218 filters V; 219 filters VI;301 controllers.
Specific embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings:
A kind of pressure regulation pressure-retaining system of halmeic deposit pressurize transfer as shown in Figure 1 includes low-lift pump 214, high-pressure pump 213rd, check valve, filter, pressure transducer, stop valve, accumulator 206, proportional pressure control valve 208 and controller 301, can be used for Realize that the pressure inside pressurize transfer device is constant;The pressurize transfer device includes sampler 101, the cutting dress being sequentially connected Put 102, ball valve I 103, ball valve II 104, gripping mechanism 105, manipulate between chamber 106, and sampler 101 and cutter sweep 102, Linker is respectively adopted between ball valve I 103 and ball valve II 104 to connect.
In the pressure regulation pressure-retaining system of the halmeic deposit pressurize transfer, check valve is provided with three, respectively check valve I 216th, check valve II 217, check valve III 215;Filter is provided with six, respectively filter I 202, filter II 204, filtration Device III 207, filter IV 209, filter V 218, filter VI 219;Pressure transducer is provided with two, respectively pressure sensing Device I 201, pressure transducer II 210, and pressure transducer I 201 is used for the 101 inside pressurize of sampler with pressurize transfer device Chamber (pressurize chamber refers exclusively to the space in 101 inner chamber body of sampler, rather than the operating cavity in pressurize transfer device, cutter sweep 102 etc. The general designation in space) it is connected;Stop valve is provided with four, respectively stop valve I 203, stop valve II 205, stop valve III 211, cut Only valve IV 212.
The back pressure port respectively with check valve I 216 of the low-lift pump 214, the back pressure port of check valve II 217 are connected, The positive port of check valve II 217 is connected with filter VI 219, and the other end of filter VI 219 is respectively used to:Shift with pressurize Linker connection in device between ball valve I 103, ball valve II 104, and be connected with stop valve III 211.Check valve I 216 Connecting pipeline between positive port and check valve III 215, filter V 218 is connected, and check valve I 216 passes through filter V 218 and stop valve IV 212, connect with the linker between sampler 101, cutter sweep 102.Low-lift pump 214 is used for guarantor It is pumped to full of low pressure liquid in pressure transfer device;Filter VI 219 is used for the liquid for purifying the extraction of low-lift pump 214, prevents muddy Impact of the turbid liquid such as sea water to precision that the elements such as valve are opened and closed.
The high-pressure pump 213 is connected with the back pressure port of check valve III 215, the positive port of check valve III 215 and mistake Filter V 218 is connected, and the other end of filter V 218 is respectively used to:By ball valve in stop valve III 211 and pressurize transfer device I 103, the linker connection between ball valve II 104, by sampler 101, cutting in stop valve IV 212 and pressurize transfer device Linker between device 102 is connected, and is connected with pressure transducer II 210, i.e. proportional pressure control valve 208 and high-pressure pump 213 Output pipe be connected, for pressure release.High-pressure pump 213 is used for being forced into the low pressure liquid in pressurize transfer device specifies height Pressure;Filter V 218 is used for the liquid for purifying the extraction of high-pressure pump 213, prevents troubled liquor such as sea water to be opened and closed the elements such as valve Precision impact.
Here low-lift pump 214 adopts Nantong Wu Jing companies 2821HB type plunger displacement pumps, high-pressure pump 213 to adopt upper tableland benefactor Department's HPP12.25N rustless steel high-pressure plunger pumps, and high-pressure low-flow pump is parallel relationship with low pressure and mass flow pump, significantly can shorten The time of pressurize transfer device liquid make-up.
One end of the filter I 202 is connected with stop valve I 203, and the other end of filter I 202 is used for and pressurize transfer Cutter sweep 102, gripping mechanism 105, manipulation chamber 106 in device is respectively connected with leading to;One end of the filter II 204 with cut Only valve II 205 is connected, the other end of filter II 204 be used for and pressurize transfer device between ball valve I 103, ball valve II 104 Linker is connected.Filter I 202 and filter II 204 are respectively used to purify the liquid flowed out in pressurize transfer device, prevent Silt and other sediment affects stop valve I 203, the opening and closing precision of stop valve II 205;Stop valve I 203 and stop valve II 205 can be used The gas of each within the chamber when low-lift pump 214 is to pressurize transfer device topping up body, is discharged, gas compression expansion is eliminated and pressurize is imitated The impact of fruit.
One end of the filter III 207 with connect with accumulator 206, the other end of filter III 207 and pressurize are shifted The sampling tube difference phase for manipulating chamber 106, the linker between sampler 101 and cutter sweep 102, sampler 101 in device Connection.Here accumulator 206 is parallel relationship with high-pressure pump 213, is pressurize transfer device pressurize jointly, both ensure that pressurize Quick response of the transfer device when there is pressure oscillation, can tackle the leakage situation that pressurize transfer device is likely to occur again;Cross Filter III 207 can prevent impact of the troubled liquor such as sea water to precision that the elements such as valve are opened and closed to the effective filtration of troubled liquor.
One end of the filter IV 209 is connected with proportional pressure control valve 208, and filter IV 209 is respectively used to:By cutting The only linker connection in valve III 211 and pressurize transfer device between ball valve I 103, ball valve II 104, by IV 212 He of stop valve Linker connection in pressurize transfer device between sampler 101, cutter sweep 102;And pressure transducer II 210 was connected on Between filter IV 209 and stop valve III 211, stop valve IV 212.Filter IV 209 is used for adsorbing liquid in pressurize transfer device Deposit, prevent impact of the troubled liquor such as sea water to precision that the elements such as valve are opened and closed;Stop valve III 211 is used for control pipe Road is opened and closed, so as to coordinate the course of work of pressurize transfer device;Pressure transducer II 210 is used for detecting that pressurize transfer device works During pressure.
One end of the stop valve IV 212 is respectively used to:Connected with accumulator 206 by filter III 207, turned with pressurize Manipulation chamber 106 in moving device, and connect with the linker between sampler 101, cutter sweep 102;Stop valve IV 212 The other end is connected with filter V 218.Stop valve IV 212 is opened and closed for control piper, so as to coordinate pressurize transfer device The course of work.
The controller 301 adopts 51 singlechip control panels.Controller 301 can receive I 201 real-time monitoring of pressure transducer The pressure data in the pressurize chamber in sampler 101 that arrives, and by pressure data compared with the setting pressure of proportional pressure control valve 208 Compared with by adjusting proportional pressure control valve 208, realizing the constant given pressure in proportional pressure control valve 208 of pressure in pressurize transfer device Power, the i.e. initial pressure in 101 pressurize chamber of sampler.
Based on a kind of control method of the pressure regulation pressure-retaining system of described halmeic deposit pressurize transfer, for realizing pressurize Before the pressurize transfer process of transfer device, and pressurize transfer device water filling, take inside the sampler 101 in pressurize transfer device Subsample, is filled with air in pressurize transfer device, pressure is atmospheric pressure, and all valves, pump are in closure state.The control Method processed includes following processes:
First, pressurize transfer device pressurization pressure maintaining period;
2nd, subsample transfer drum pressurization pressure maintaining period;
3rd, the linker between mounting ball valve I 103, ball valve II 104 pressure process.
In the process one, i.e., pressurize transfer device pressurization pressure maintaining period, specifically include following step:
Step A (pressurize transfer device liquid make-up stage):Open stop valve I 203, stop valve II 205, stop valve III 211st, stop valve IV 212, open low-lift pump 214, liquid medium by check valve II 217, check valve I 216 and its be connected cut Only valve III 211, stop valve IV 212 are rapidly entered in pressurize transfer device, treat that stop valve I 203, stop valve II 205 have continuous water When stream flows out, show that the air in pressurize transfer device is drained, now close stop valve I 203, stop valve II 205, close low Press pump 214;
Step B (pressurize transfer device liquid pressing stage):The Opening pressure of setting ratio overflow valve 208 is pressure sensing The reading of device I 201, so that pressure is consistent with 101 internal pressure of sampler in pressurize transfer device, reaches pressurize purpose;Beat High-pressure pump 213 is driven, is pressurizeed into pressurize transfer device by stop valve III 211, stop valve IV 212, until proportional pressure control valve 208 Open, have lasting liquid to flow out, show that pressure process is completed, inside pressurize transfer device with 101 internal pressure one of sampler Cause;Now high-pressure pump 213 still works on, and ensures the high pressure conditions in pressurize transfer device in an overflow manner.
In the process two, i.e., subsample transfer drum pressurization pressure maintaining period, specifically include following step:
Step C (removes the linker between ball valve I 103, ball valve II 104):Ball valve I 103, ball valve II 104 is closed, is closed Stop valve III 211, opens stop valve II 205, after pressure release, removes the linker between ball valve I 103, ball valve II 104;
Step D (is installed subsample transfer drum and fills liquid):After subsample transfer drum is installed, low-lift pump 214 is opened, led to Cross check valve II 217 and liquid is quickly filled into transfer drum, and air in cylinder is discharged by stop valve II 205;Treat stop valve II After 205 constantly have liquid to flow out, stop valve II 205 is closed, close low-lift pump 214;
Step E (is pressurizeed to subsample transfer drum):Stop valve IV 212 is closed, by subsample transfer drum and pressurize transfer dress Other chambers that puts are disconnected;Stop valve III 211 is opened, is pressurizeed to subsample transfer drum by high-pressure pump 213, treat that ratio is overflow After stream valve 208 constantly has liquid to flow out, show that subsample transfer drum reaches same pressure with pressurize transfer device, now beat Stop valve IV 212 is opened, high-pressure pump 213 and accumulator 206 can be pressurize transfer device and subsample transfer drum pressurize jointly;
Step F (transfer sample simultaneously dismantles subsample transfer drum):Ball valve II 104 is opened, subsample is pushed subsample and is turned After moving cylinder, ball valve II 104 is closed;Stop valve III 211 is closed, stop valve II 205, subsample transfer drum and ball valve II 104 is opened Between linker carry out pressure release, after the completion of pressure release remove sample transfer drum.
In the process three, i.e., linker pressure process between mounting ball valve I 103, ball valve II 104 are specifically included Following step:
Step G (linker fill liquid) between mounting ball valve I 103, ball valve II 104:Mounting ball valve I 103, ball valve After linker between II 104, low-lift pump 214 is opened, liquid is quickly filled into linker by check valve II 217, and is led to Cross stop valve II 205 and discharge air in linker;After stop valve II 205 constantly has liquid to flow out, stop valve II is closed 205, close low-lift pump 214;
Step H (is pressurizeed to the linker between ball valve I 103, ball valve II 104):Close stop valve IV 212, by ball valve I 103, Linker between ball valve II 104 is disconnected with the manipulation chamber 106 of pressurize transfer device;Stop valve III 211 is opened, by high pressure Pump 213 pressurizes to the linker between ball valve I 103, ball valve II 104, after proportional pressure control valve 208 constantly has liquid to flow out, table Linker between bright ball valve I 103, ball valve II 104 reaches same pressure with pressurize transfer device, now opens stop valve IV 212, ball valve I 103, ball valve II 104 is opened, high-pressure pump 213 and accumulator 206 can be pressurize transfer device pressurize jointly.
I.e. pressurize transfer device completes a pressurize transfer process of subsample, and the pressurize transfer of next round can directly from mistake Journey two starts.
In addition as shown in Fig. 2 during pressure regulation holding pressure control, with the sampler 101 that pressure transducer I 201 is measured Initial pressure be setting pressure, proportional pressure control valve 208 is adjusted by controller 301, make pressure stability in pressurize chamber to Constant-pressure.
Finally it should be noted that listed above is only specific embodiment of the invention.It is clear that the invention is not restricted to Above example, can also have many variations.One of ordinary skill in the art can be directly led from present disclosure The all deformations for going out or associating, are considered as protection scope of the present invention.

Claims (4)

1. a kind of pressure regulation pressure-retaining system of halmeic deposit pressurize transfer, permanent for realizing the pressure inside pressurize transfer device Fixed, pressurize transfer device includes the sampler being sequentially connected, cutter sweep, ball valve I, ball valve II, gripping mechanism, manipulates chamber, and Between sampler and cutter sweep, linker is respectively adopted between ball valve I and ball valve II connects, it is characterised in that the deep-sea The pressure regulation pressure-retaining system of sediment pressure maintaining transfer includes low-lift pump, high-pressure pump, check valve, filter, pressure transducer, cut-off Valve, accumulator, proportional pressure control valve, controller;The check valve is provided with three, respectively check valve I, check valve II, check valve Ⅲ;The filter is provided with six, respectively filter I, filter II, filter III, filter IV, filter V, filtration Device VI;The pressure transducer is provided with two, respectively pressure transducer I, pressure transducer II, and pressure transducer I is used for It is connected with pressurize chamber inside the sampler of pressurize transfer device;The stop valve is provided with four, respectively stop valve I, cut-off Valve II, stop valve III, stop valve IV;
Low-lift pump back pressure port respectively with check valve I, the back pressure port of check valve II are connected, the forward direction of check valve II Port is connected with filter VI, and the other end of filter VI is respectively used to:And in pressurize transfer device between ball valve I, ball valve II Linker connection, and be connected with stop valve III;Between the positive port of check valve I and check valve III, filter V Connecting pipeline is connected, and check valve I is by filter V and stop valve IV, the linker between sampler, cutter sweep Connection;Low-lift pump is used for being pumped to into pressurize transfer device full of low pressure liquid, and filter VI is used for purifying low-lift pump extraction Liquid;
The high-pressure pump is connected with the back pressure port of check valve III, and the positive port of check valve III is connected with filter V, mistake The other end of filter V is respectively used to:Connected by the linker in stop valve III and pressurize transfer device between ball valve I, ball valve II Logical, by the linker connection in stop valve IV and pressurize transfer device between sampler, cutter sweep, and and pressure sensing Device II connects;High-pressure pump is used for for the low pressure liquid in pressurize transfer device being forced into specified high pressure, and filter V is used for purifying The liquid that high-pressure pump is extracted;
One end of the filter I is connected with stop valve I, and the other end of filter I is used for and the cutting in pressurize transfer device Device, gripping mechanism, manipulation chamber are respectively connected with leading to;One end of the filter II is connected with stop valve II, filter II another One end be used for and pressurize transfer device in linker between ball valve I, ball valve II be connected;Filter I and filter II are distinguished For purifying the liquid flowed out in pressurize transfer device, stop valve I and stop valve II can be used for excluding in pressurize transfer device Air;
One end of the filter III is connected with accumulator, manipulation chamber in the other end of filter III and pressurize transfer device, The sampling tube of linker, sampler between sampler and cutter sweep is respectively connected with leading to;Filter III is used for filtered fluid, stores Energy device is used for reducing the pressure oscillation in pressurize transfer device, and the timely ftercompction when there is leakage;
One end of the filter IV is connected with proportional pressure control valve, and the other end of filter IV is respectively used to:By stop valve III And the linker connection in pressurize transfer device between ball valve I, ball valve II, by sampling in stop valve IV and pressurize transfer device Linker connection between device, cutter sweep;And pressure transducer II be connected on filter IV and stop valve III, stop valve IV it Between;Filter IV is used for the deposit for adsorbing liquid in pressurize transfer device, and stop valve III is opened and closed for control piper;
One end of the stop valve IV is respectively used to:Connected with accumulator by filter III, with the behaviour in pressurize transfer device Vertical chamber, and the linker between sampler, cutter sweep connects;The other end of stop valve IV is connected with filter V; Stop valve IV is opened and closed for control piper;
The controller can receive the pressure data in pressurize chamber in the sampler that pressure transducer I is real-time monitored, and by pressure Data by adjusting proportional pressure control valve, realize the pressure in pressurize transfer device compared with the setting pressure of proportional pressure control valve The constant setting pressure in proportional pressure control valve, i.e., the initial pressure in pressurize chamber in sampler.
2. the pressure regulation pressure-retaining system that a kind of halmeic deposit pressurize according to claim 1 is shifted, it is characterised in that described Controller adopts 51 singlechip control panels.
3. the pressure regulation pressure-retaining system that a kind of halmeic deposit pressurize according to claim 1 is shifted, it is characterised in that described High-pressure pump adopts upper tableland benefactor department HPP12.25N rustless steel high-pressure plunger pumps, low-lift pump to adopt Nantong Wu Jing companies 2821HB Type plunger displacement pump.
4. the control method based on a kind of pressure regulation pressure-retaining system of the halmeic deposit pressurize transfer described in claim 1, is used for Before realizing the pressurize transfer process of pressurize transfer device, and pressurize transfer device water filling, in the sampler in pressurize transfer device Portion has taken subsample, is filled with air in pressurize transfer device, and pressure is atmospheric pressure, and all valves, pump are in closure state, Characterized in that, the control method includes following processes:
First, pressurize transfer device pressurization pressure maintaining period;
2nd, subsample transfer drum pressurization pressure maintaining period;
3rd, the linker between mounting ball valve I, ball valve II pressure process;
In the process one, i.e., pressurize transfer device pressurization pressure maintaining period, specifically include following step:
Step A:Stop valve I, stop valve II, stop valve III, stop valve IV is opened, low-lift pump is opened, liquid medium is by unidirectional Valve II, check valve I and its stop valve III being connected, stop valve IV are rapidly entered in pressurize transfer device, treat stop valve I, cut-off When valve II has solid stream of water to flow out, show that the air in pressurize transfer device is drained, now close stop valve I, stop valve II, Close low-lift pump;
Step B:Reading of the Opening pressure of setting ratio overflow valve for pressure transducer I, opens high-pressure pump, by stop valve IIIth, stop valve IV pressurizes into pressurize transfer device, until proportional pressure control valve is opened, has lasting liquid to flow out, shows to pressurize Journey is completed, consistent with sampler internal pressure inside pressurize transfer device;Now high-pressure pump still works on, with overflow side Formula ensures the high pressure conditions in pressurize transfer device;
In the process two, i.e., subsample transfer drum pressurization pressure maintaining period, specifically include following step:
Step C:Ball valve I, ball valve II is closed, stop valve III is closed, stop valve II is opened, after pressure release, ball valve I, ball valve II is removed Between linker;
Step D:After subsample transfer drum is installed, low-lift pump is opened, liquid is quickly filled into transfer drum by check valve II, and Air in cylinder is discharged by stop valve II;After stop valve II constantly has liquid to flow out, stop valve II is closed, low pressure is closed Pump;
Step E:Stop valve IV is closed, other chambers of subsample transfer drum with pressurize transfer device are disconnected;Open and cut Only valve III, is pressurizeed to subsample transfer drum by high-pressure pump, after proportional pressure control valve constantly has liquid to flow out, shows subsample Transfer drum reaches same pressure with pressurize transfer device, now opens stop valve IV, and high-pressure pump and accumulator can be guarantor jointly Pressure transfer device and subsample transfer drum pressurize;
Step F:Ball valve II is opened, subsample is pushed after subsample transfer drum, close ball valve II;Stop valve III is closed, is opened Stop valve II, the linker between subsample transfer drum and ball valve II carry out pressure release, remove sample transfer drum after the completion of pressure release;
In the process three, i.e., linker pressure process between mounting ball valve I, ball valve II specifically include following step:
Step G:After linker between mounting ball valve I, ball valve II, low-lift pump is opened, fast into linker by check valve II Speed fills liquid, and discharges air in linker by stop valve II;After stop valve II constantly has liquid to flow out, close and cut Only valve II, closes low-lift pump;
Step H:Stop valve IV is closed, the manipulation chamber of the linker between ball valve I, ball valve II and pressurize transfer device is disconnected and is connected Connect;Stop valve III is opened, is pressurizeed to the linker between ball valve I, ball valve II by high-pressure pump, is treated that proportional pressure control valve constantly has liquid After body flows out, show that the linker between ball valve I, ball valve II reaches same pressure with pressurize transfer device, now open cut-off Valve IV, high-pressure pump and accumulator can be pressurize transfer device pressurize jointly;
I.e. pressurize transfer device completes a pressurize transfer process of subsample, and the pressurize transfer of next round can directly from process two Start.
CN201510026213.6A 2015-01-19 2015-01-19 A kind of pressure regulation pressure-retaining system of halmeic deposit pressurize transfer and its control method CN104535395B (en)

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