CN205710740U - Deep sea water pressure keeping sampler based on controllable check valve cascaded structure - Google Patents
Deep sea water pressure keeping sampler based on controllable check valve cascaded structure Download PDFInfo
- Publication number
- CN205710740U CN205710740U CN201620156199.1U CN201620156199U CN205710740U CN 205710740 U CN205710740 U CN 205710740U CN 201620156199 U CN201620156199 U CN 201620156199U CN 205710740 U CN205710740 U CN 205710740U
- Authority
- CN
- China
- Prior art keywords
- check valve
- cylinder
- sampler
- sample
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a kind of deep sea water pressure keeping sampler based on controllable check valve cascaded structure, belong to marine technology instrument and equipment field, by differential concatenation in the pipeline of sampler barrel front end, two controllable check valves (electromagnetism check valve and Manual one-way valve) realize pollution-free sampling, gastight sampling and the isobaric transfer of sample, realize to sample cavity pressure continuous by way of increasing pressure compensation cylinder after sample cylinder, compensation without sudden change, by being full of clean seawater between sampling cock and compensating piston and realizing no pressure sudden change sampling in the central method processing throttle orifice of connector, increase sampler reliability by installation check valve assembly and plug on compensating cylinder end cap.All static connections in sampler all use O-ring end face seal to increase the sealing property of sampler.The utility model compact conformation, auxiliary device is few, and sample trigger signal is simple, is particularly suitable for being equipped with the collection that AUV carries out deep sea water sample.
Description
Technical field
The utility model relates to a kind of sampler, particularly relates to one and is applicable to the deep sea water pressure keeping sampler based on controllable check valve cascaded structure of autonomous type underwater robot (AUV).
Background technology
Deep-sea is the extreme environment of a low temperature, high pressure and LDO, and abyssopelagic organism therein, compared with shallow sea, terrestrial life, has idioadaptation mechanism, and corresponding special genetic resources.The Deep-Sea Microorganisms sample how obtaining high-fidelity has become as the emphasis of various countries' research.Owing to valuable microorganisms many in deep-sea are all barophilic microorganisms, they cannot grow even dead at ambient pressure.Therefore, deep sea water gastight sampling is the technical foundation carrying out Deep-Sea Microorganisms sampling.
At present, for different mission requirementses, a series of deep-sea device for fetching water is developed.Number of patent application is 200710069092.9, the Chinese patent of entitled " a kind of deep sea air-tight water-sampling bottle ", have developed the deep sea air-tight water sampling system based on pressure adaptive balance, its main task is the seawater sample gathering and can truly reflecting gas componant composition information in situ, so not considering pressure holding function.Number of patent application is 201010290255.8, the Chinese patent of entitled " Deep-Sea Microorganisms automatic pressure-maintaining sampler ", have developed Deep-Sea Microorganisms automatic pressure-maintaining sampler, it controls depth selection by arranging the cracking threshold of block water plate, then automatic pressure-maintaining is realized by check valve, but the cracking depth limited precision of block water plate.Number of patent application is 03120942.6, the Chinese patent of entitled " high-purity pressure-maintaining deep sea hot liquid sampler ", solve and sample contains non-sample seawater problem, and sample rate can be automatically controlled and carry out sample pressure-maintaining, however it is necessary that underwater manipulator is opened sampling valve and started sampling.
Above-mentioned deep-sea device for fetching water difficulty below existence in terms of outfit deep-sea AUV: existing seawater sampler mostly is independently equips or be provided to manned submersible and ROV, these sampler volumes compared with big, structure is complex, have even needs manipulator to operate sampling process；And AUV small volume, large-scale seawater sample-taker device is difficult to directly be equipped with；Under hyperbaric environment, sampler structure is more complicated, and failure probability is bigger；In the case of deep-sea high-pressure environment and AUV limited energy, each action of manipulator can increase energy resource consumption and the danger of AUV self.In addition, under the deep working environment in the especially full sea of abyssal environment, most valve bodies and radial seal occur the probability of leakage very big under huge pressure.For realizing the pollution-free gastight sampling of deep sea water, check valve is a kind of preferred equipment.But realize that during pollution-free gastight sampling, there are the following problems using check valve: for preventing upper ocean water contaminated samples seawater, it is desirable to check valve stops extraneous seawater to enter sampler barrel before sampling；For prevent sampling after occur sample seawater leakage, it is desirable to check valve stop sampler barrel after sampling in sample seawater outflow tube outside；In the different phase of sampling, the operative orientation of check valve is different, so that single check valve is difficult to.
Content of the invention
The purpose of this utility model is the particular/special requirement for Deep-Sea Microorganisms sampling, develop and a kind of be capable of pollution-free sampling, gastight sampling, no pressure dash forward sampling, the isobaric transfer of sample and the deep sea water pressure keeping sampler based on controllable check valve cascaded structure being suitably equipped with AUV, are Deep-Sea Microorganisms resource survey and scientific research provides technology and equipment to support.
The purpose of this utility model is achieved in that and includes controllable check valve assembly and sampler barrel assembly, described controllable check valve assembly includes electromagnetism check valve and the Manual one-way valve of differential concatenation, sampler barrel assembly includes sample cylinder, pressure compensation cylinder and the connector being arranged between sample cylinder and pressure compensation cylinder, it is provided with sampling cock in described sample cylinder, it is provided with compensating piston in described pressure compensation cylinder, the centre position of described connector is provided with the throttle orifice of connection sample cylinder and pressure compensation cylinder, it is full of seawater between described sampling cock and compensating piston, the end of described sample cylinder is connected with Manual one-way valve by connecting tube, the end of described pressure compensation cylinder is provided with compensation end cap, it is provided with check valve assembly and dismountable plug on described compensation end cap.
The utility model also includes some architectural features such:
1. sampling cock and junction, the sample cylinder of sample cylinder are provided with sealing ring with junction and dismountable plug of compensation end cap with the junction compensating end cap with junction, the check valve assembly of pressure compensation cylinder with junction, the compensation end cap of pressure compensation cylinder with junction, the compensating piston of pressure compensation cylinder with junction, the connector of connector.
2. form sample cavity described between sampling cock and sampler barrel, between described compensating piston and compensation end cap, form pressure compensation chamber.
3. the original state of electromagnetism check valve and Manual one-way valve is all operated on unidirectional cutoff station, the cut-off direction of electromagnetism check valve is for from the outside direction pointed within sampler barrel of sampler barrel, and the cut-off direction of Manual one-way valve is for being internally pointed to the direction outside sampler barrel from sampler barrel；Described check valve assembly includes check valve body, spool and spring, and its cut-off direction is the direction being internally pointed to outside from pressure compensation cylinder.
Compared with prior art, the beneficial effects of the utility model are: the 1st, pollution-free, safety sampling.During sampler dive, extraneous hydraulic pressure is gradually increased, and eventually exceeds the pressure in sample cylinder and pressure compensation cylinder.The cut-off effect of electromagnetism check valve can effectively stop upper ocean water to enter sampler barrel before deep sea water sampling, it is to avoid sample seawater is polluted by non-sample seawater.Additionally, the plug on compensation end cap can effectively stop extraneous high pressure sea water to enter pressure compensation cylinder, play the effect of safeguard protection.All static seals are all O-ring end face seal, seal reliable.2nd, gastight sampling.In sampler floating-upward process, traditional sampler barrel will leak because of being caused volumetric expansion or valve body by internal pressure, and then causes sample strain decline in sampler barrel.The utility model relies on the cut-off effect of Manual one-way valve to stop the leakage of sample seawater, and the nitrogen simultaneously being compressed in pressure compensation cylinder can continuously, carry out pressure compensation to sample cylinder to no pressure sudden change, it is achieved gastight sampling.3rd, the prominent sampling of no pressure.If without buffer gear in sample cylinder, then when Unidirectional solenoid valve is opened, inside and outside sample cylinder powerful pressure reduction effect under, extraneous seawater will quickly enter sample cylinder, until sample cylinder inside and outside differential pressure is zero.In the process, sample seawater experienced by from tens of MPas to 0.1 MPa again to the pressure jump of tens of MPas.The utility model is machined with throttle orifice in the middle of connector, in deep sea water sampling process, throttle orifice can effectively reduce the translational speed of two pistons under the cooperation of the clean seawater of preliminary filling, thus greatly reduces sample cylinder inside and outside differential pressure, it is achieved no pressure sudden change sampling.4th, the isobaric transfer of sample.After sampler reclaims, lay down electromagnetism check valve, connect sample seawater and receive device, and be charged to deep earth sampling pressure in advance, pull Manual one-way valve, turn it on, then dismantle plug, high-pressure pump is received on compensation end cap by gas tube, to pressure compensation cylinder pressurising, sample seawater is filled with in reception device, thus realizes the isobaric transfer of sample seawater.5th, processing ease is controlled.The utility model uses different control modes according to the concrete effect difference of controllable check valve and the place difference of transposition action generation.Electromagnetism check valve is mainly used in pollution-free sampling, and transposition action occurs at deep-sea, it is difficult to manually operated, uses Electromagnetic Control mode, it is simple to triggered sampling action by AUV.Manual one-way valve is mainly used in sample pressure-maintaining and the isobaric transfer of sample, and transposition action occurs by land, it is simple to manually operated.If use electromagnetism check valve herein, then need to reconnect control equipment, increase workload on the contrary.Therefore, this cascaded structure being made up of the two of different control modes controllable electromagnetic valves can effectively stop upper ocean water contaminated samples seawater, realizes sample pressure-maintaining and the isobaric transfer of sample simultaneously, is easy to again control operation.6th, it is suitably equipped with deep-sea AUV.The utility model compact conformation, auxiliary device is few, and sample trigger signal is simple, and the static pressure of dependence deep sea water realizes automatic sampling, is suitably equipped with in deep-sea AUV.
Brief description
Fig. 1 is structure principle chart of the present utility model；
Fig. 2 is the partial enlarged drawing of part A in Fig. 1；
Wherein, 1-electromagnetism check valve, 2-connecting tube, 3-Manual one-way valve, 4-connecting tube, 5-sample cylinder, 6-sample cavity, 7-sampling cock, 8-O RunddichtringO, 9-connector, 10-O RunddichtringO, 11-bolt, 12-pressure compensation cylinder, 13-compensating piston, 14-pressure compensation chamber, 15-bolt, 16-O RunddichtringO, 17-compensates end cap, the clean seawater of 18-, 19-inner elements of check valve, 20-spring, 21-O RunddichtringO, 22-check valve valve body, 23-O RunddichtringO, 24-plug.
Detailed description of the invention
With detailed description of the invention, the utility model is described in further detail below in conjunction with the accompanying drawings.
As it is shown in figure 1, controllable check valve cascaded structure is in series by connecting tube 2 by electromagnetism check valve 1 and Manual one-way valve 3.Wherein electromagnetism check valve 1 ends direction is that the cut-off direction of Manual one-way valve 3 is right-to-left from left to right.Manual one-way valve 3 is connected with sample cylinder 5 by connecting tube 4.
Assembled by bolt 11 and bolt 15 as it is shown in figure 1, the 12nd, sampler barrel assembly is compensated end cap 17 by sample cylinder the 5th, connector the 9th, pressure compensation cylinder, between each part, carry out end face seal by O RunddichtringO the 8th, O RunddichtringO the 10th, O RunddichtringO 16.Connector 9 central authorities are machined with throttle orifice.Sampling cock the 7th, compensating piston 13 lays respectively in sample cylinder and pressure compensation cylinder.It is full of clean seawater 18 between two pistons.
As shown in Figure 2, compensating on end cap 17, being provided with check valve valve body the 22nd, inner elements of check valve the 19th, spring 20, being threaded connection, realize end face seal by O RunddichtringO 21 between check valve valve body 22 and compensation end cap, the cut-off direction of check valve assembly is for from left to right.In the outside of check valve assembly, plug 24 is installed.Plug 24 is threaded connection with compensating end cap 17, realizes end face seal by O RunddichtringO 23.
Sampling process of the present utility model is as follows:
Before sampler is installed on AUV, pull Manual one-way valve 3, it is made to work in upper, plug 24 of dismantling, gas tube is received on compensation end cap 17, the nitrogen of actual sampling pressure 20% to preliminary filling deep-sea, pressure compensation chamber 14, compensating piston 13 and sampling cock 7 are moved respectively to the leftmost side in pressure compensation chamber 14 and sample cavity 6 under the effect of precharge of gas pressure, pull Manual one-way valve 3 so that it is work in bottom, lay down gas tube, reinstall plug 24.
It is installed to sampler on AUV, and connect control circuit.
During sampler is with AUV dive, electromagnetism check valve 1 can effectively stop non-sample seawater to enter sample cavity 6.
After AUV reaches designated depth, start sampling.Electromagnetism check valve 1 is operated in upper, and high pressure sea water passes sequentially through electromagnetism check valve 1 and Manual one-way valve 3 enters sample cavity 6, promotes sampling cock the 7th, compensating piston 13 to move right, compressed nitrogen.In the process, the throttle orifice in the middle of connector 9 can effectively reduce the translational speed of two pistons, thus realizes no pressure sudden change sampling.
After sampling terminates, electromagnetism check valve 1 is reworked in bottom.
In AUV floating-upward process, Manual one-way valve can effectively stop sample seawater to leak, and the nitrogen simultaneously being compressed can continuously, carry out pressure compensation to sample cavity to no pressure sudden change, it is achieved gastight sampling.
After AUV reclaims, pull down sampler, and from sampler, unload electromagnetism check valve 1 and connecting tube 2 and plug 24.Connect sample seawater at Manual one-way valve 3 left end and receive device, and be charged to deep earth sampling pressure in advance.Receiving gas tube on compensation end cap 17, to pressure compensation chamber 14 pressurising, compensating piston 13 and sampling cock 7 move to left, and are filled with sample seawater in reception device, thus realize the isobaric transfer of sample seawater.A kind of deep sea water gastight sampling device based on controllable check valve cascaded structure, is mainly made up of controllable check valve assembly and sampler barrel assembly two parts.Controllable check valve assembly is formed by electromagnetism check valve and Manual one-way valve differential concatenation, and wherein the cut-off direction of electromagnetism check valve is in the export-oriented sampler barrel of sampler barrel, the cut-off direction of Manual one-way valve in sampler barrel outside sampler barrel.Sampler barrel assembly is mainly made up of sample cylinder, sampling cock, connector, pressure compensation cylinder, compensating piston, compensation end cap, wherein, it is machined with throttle orifice in the middle of connector, it is full of clean seawater, the nitrogen of preliminary filling deep earth sampling pressure 20% in pressure compensation cylinder in the middle of sampling cock and compensating piston.
The utility model also includes some architectural features such:
1st, two controllable check valve original states are all operated on unidirectional cutoff station, and electromagnetism check valve is in outermost, and Manual one-way valve is between electromagnetism check valve and sampler barrel.
2nd, the parts such as sample cylinder, connector, pressure compensation cylinder, compensation end cap are machined with flange in end, be bolted, use O RunddichtringO to carry out end face seal between each several part.
3rd, on compensation end cap, check valve assembly and plug are installed.Check valve assembly, plug are attached by screw thread with compensation end cap, carry out end face seal by O RunddichtringO.Check valve assembly is made up of valve body, spool, spring three part, and cut-off direction is for outside pressure compensation cylinder inward pressure compensating cylinder.
4th, composition structure when above-mentioned part is deep earth sampling.Sampling terminate after, remove electromagnetism check valve and and Manual one-way valve between connecting tube.In addition, under sampler before water and when extracting seawater sample, plug of dismantling, high-pressure pump is connected to compensate on end cap by gas tube.
The utility model relates to a kind of deep sea water pressure keeping sampler based on controllable check valve cascaded structure.Belong to marine technology instrument and equipment field.This sampler realizes the isobaric transfer of pollution-free sampling, gastight sampling and sample by differential concatenation two controllable check valves (electromagnetism check valve and Manual one-way valve) in the pipeline of sampler barrel front end,, compensation without sudden change continuous to sample cavity pressure is realized by way of increasing pressure compensation cylinder after sample cylinder, by being full of the seawater of cleaning between sampling cock and compensating piston and realizing no pressure sudden change sampling in the central method processing throttle orifice of connector, increase sampler reliability by installation check valve assembly and plug on compensating cylinder end cap.All static connections in sampler all use O-ring end face seal to increase the sealing property of sampler.The utility model compact conformation, auxiliary device is few, and sample trigger signal is simple, is particularly suitable for being equipped with the collection that AUV carries out deep sea water sample.
Claims (5)
1. the deep sea water pressure keeping sampler based on controllable check valve cascaded structure, it is characterized in that: include controllable check valve assembly and sampler barrel assembly, described controllable check valve assembly includes electromagnetism check valve and the Manual one-way valve of differential concatenation, sampler barrel assembly includes sample cylinder, pressure compensation cylinder and the connector being arranged between sample cylinder and pressure compensation cylinder, it is provided with sampling cock in described sample cylinder, it is provided with compensating piston in described pressure compensation cylinder, the centre position of described connector is provided with the throttle orifice of connection sample cylinder and pressure compensation cylinder, it is full of seawater between described sampling cock and compensating piston, the end of described sample cylinder is connected with Manual one-way valve by connecting tube, the end of described pressure compensation cylinder is provided with compensation end cap, it is provided with check valve assembly and dismountable plug on described compensation end cap.
2. the deep sea water pressure keeping sampler based on controllable check valve cascaded structure according to claim 1, it is characterised in that: sampling cock is provided with sealing ring with junction and dismountable plug of compensation end cap with the junction compensating end cap with junction, the check valve assembly of pressure compensation cylinder with junction, the compensation end cap of pressure compensation cylinder with junction, the compensating piston of pressure compensation cylinder with junction, the connector of connector with junction, the sample cylinder of sample cylinder.
3. the deep sea water pressure keeping sampler based on controllable check valve cascaded structure according to claim 1 and 2, it is characterised in that: form sample cavity between described sampling cock and sampler barrel, between described compensating piston and compensation end cap, form pressure compensation chamber.
4. the deep sea water pressure keeping sampler based on controllable check valve cascaded structure according to claim 1 and 2, it is characterized in that: the original state of electromagnetism check valve and Manual one-way valve is all operated on unidirectional cutoff station, the cut-off direction of electromagnetism check valve is for from the outside direction pointed within sampler barrel of sampler barrel, and the cut-off direction of Manual one-way valve is for being internally pointed to the direction outside sampler barrel from sampler barrel；Described check valve assembly includes check valve body, spool and spring, and its cut-off direction is the direction being internally pointed to outside from pressure compensation cylinder.
5. the deep sea water pressure keeping sampler based on controllable check valve cascaded structure according to claim 3, it is characterized in that: the original state of electromagnetism check valve and Manual one-way valve is all operated on unidirectional cutoff station, the cut-off direction of electromagnetism check valve is for from the outside direction pointed within sampler barrel of sampler barrel, and the cut-off direction of Manual one-way valve is for being internally pointed to the direction outside sampler barrel from sampler barrel；Described check valve assembly includes check valve body, spool and spring, and its cut-off direction is the direction being internally pointed to outside from pressure compensation cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620156199.1U CN205710740U (en) | 2016-03-01 | 2016-03-01 | Deep sea water pressure keeping sampler based on controllable check valve cascaded structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620156199.1U CN205710740U (en) | 2016-03-01 | 2016-03-01 | Deep sea water pressure keeping sampler based on controllable check valve cascaded structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205710740U true CN205710740U (en) | 2016-11-23 |
Family
ID=57334918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620156199.1U Expired - Fee Related CN205710740U (en) | 2016-03-01 | 2016-03-01 | Deep sea water pressure keeping sampler based on controllable check valve cascaded structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205710740U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105586253A (en) * | 2016-03-01 | 2016-05-18 | 哈尔滨工程大学 | Deep ocean water pressure-retention sampling device based on controllable one-way valve cascaded structure |
| CN107966321A (en) * | 2017-12-22 | 2018-04-27 | 中国科学院海洋研究所 | Deep sea in-situ fluid high throughput sampler and its sampling method based on ROV |
| CN107966333A (en) * | 2017-12-14 | 2018-04-27 | 中国科学院海洋研究所 | Deep sea in-situ gas gastight sampling system |
| CN109374336A (en) * | 2018-11-12 | 2019-02-22 | 浙江大学 | Abyss deposit undisturbed gastight sampling device |
| CN109548365A (en) * | 2018-11-05 | 2019-03-29 | 新乡航空工业(集团)有限公司 | A kind of liquid cooling system bellows-type draws the integrated liquid feed device of liquid pressurization |
| CN111855304A (en) * | 2020-07-14 | 2020-10-30 | 上海交通大学 | Inner cover type active pressure maintaining seawater bottle and sampling method thereof |
| CN112027036A (en) * | 2020-09-10 | 2020-12-04 | 中国船舶科学研究中心 | Pressure conversion device for underwater sample transfer |
| CN112985909A (en) * | 2021-02-23 | 2021-06-18 | 国家深海基地管理中心 | Multi-sequence fluid pressure-maintaining sampling device carried by deep sea carrier |
| CN114459818A (en) * | 2022-01-23 | 2022-05-10 | 浙江大学 | Active liquid precise compensation device and method for deep sea pressure maintaining sampler |
-
2016
- 2016-03-01 CN CN201620156199.1U patent/CN205710740U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105586253A (en) * | 2016-03-01 | 2016-05-18 | 哈尔滨工程大学 | Deep ocean water pressure-retention sampling device based on controllable one-way valve cascaded structure |
| CN107966333B (en) * | 2017-12-14 | 2023-07-07 | 中国科学院海洋研究所 | Deep sea in-situ gas pressure maintaining sampling system |
| CN107966333A (en) * | 2017-12-14 | 2018-04-27 | 中国科学院海洋研究所 | Deep sea in-situ gas gastight sampling system |
| CN107966321A (en) * | 2017-12-22 | 2018-04-27 | 中国科学院海洋研究所 | Deep sea in-situ fluid high throughput sampler and its sampling method based on ROV |
| CN107966321B (en) * | 2017-12-22 | 2024-01-26 | 中国科学院海洋研究所 | ROV-based deep sea primary bit stream high-flux sampler and sampling method thereof |
| CN109548365A (en) * | 2018-11-05 | 2019-03-29 | 新乡航空工业(集团)有限公司 | A kind of liquid cooling system bellows-type draws the integrated liquid feed device of liquid pressurization |
| CN109548365B (en) * | 2018-11-05 | 2021-01-08 | 新乡航空工业(集团)有限公司 | Bellows type liquid-guiding and pressurizing integrated liquid supply device of liquid cooling system |
| CN109374336A (en) * | 2018-11-12 | 2019-02-22 | 浙江大学 | Abyss deposit undisturbed gastight sampling device |
| CN109374336B (en) * | 2018-11-12 | 2020-09-25 | 浙江大学 | Deep-well sediment undisturbed pressure-maintaining sampling device |
| CN111855304A (en) * | 2020-07-14 | 2020-10-30 | 上海交通大学 | Inner cover type active pressure maintaining seawater bottle and sampling method thereof |
| CN112027036A (en) * | 2020-09-10 | 2020-12-04 | 中国船舶科学研究中心 | Pressure conversion device for underwater sample transfer |
| CN112985909A (en) * | 2021-02-23 | 2021-06-18 | 国家深海基地管理中心 | Multi-sequence fluid pressure-maintaining sampling device carried by deep sea carrier |
| CN112985909B (en) * | 2021-02-23 | 2023-09-26 | 哈尔滨工程大学 | Multi-sequence fluid pressure-maintaining sampling device carried by deep sea carrier |
| CN114459818A (en) * | 2022-01-23 | 2022-05-10 | 浙江大学 | Active liquid precise compensation device and method for deep sea pressure maintaining sampler |
| CN114459818B (en) * | 2022-01-23 | 2023-11-10 | 浙江大学 | Active liquid accurate compensation device and method for deep sea pressure maintaining sampler |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205710740U (en) | Deep sea water pressure keeping sampler based on controllable check valve cascaded structure | |
| CN105586253A (en) | Deep ocean water pressure-retention sampling device based on controllable one-way valve cascaded structure | |
| CN108535043B (en) | Piston transfer type deep sea sediment pressure maintaining sampler | |
| CN108518191A (en) | Gas hydrates coring drilling with keep up pressure device | |
| CN108020438A (en) | The airtight sampler of mechanical hand-held type bottom sediment and its sampling and pressurize method | |
| CN103913346B (en) | A kind of abyssal sediment repeatedly pressurize transfer equipment | |
| CN104564855B (en) | A kind of double hydraulic cylinder pressure regulation pressure-retaining system for pressurize transfer and control method thereof | |
| CN112858628B (en) | Microcosmic visual experiment device for simulating fluid displacement under high-temperature and high-pressure conditions | |
| CN107328606B (en) | Deep sea pressure compensation sampling device based on double-piston self-adaptive pressure balance | |
| CN111044312B (en) | Full-sea-depth macro-organism pressure-maintaining sampling device and sampling and transferring method thereof | |
| CN112858113A (en) | Microscopic visual experimental method for high-temperature high-pressure gas flooding of deep reservoir | |
| CN104535395A (en) | Pressure-regulating and pressure-retaining system for pressure-retained transferring of deep-sea sediments and control method of pressure-regulating and pressure-retaining system | |
| CN203798603U (en) | Repeatedly pressure-maintaining transfer equipment for abyssal sediments | |
| CN109374350B (en) | Small-sized multipoint self-balancing type deep sea water collection system and application thereof | |
| CN108559701B (en) | Mechanical hand-held integral type airtight sampler for submarine sediment and sampling method | |
| CN107817131A (en) | A kind of deep sea water and dissolved gas harvester and method | |
| CN111089746B (en) | Submarine organism pressure-maintaining heat-preserving sampling transfer system and sampling transfer method | |
| CN100373148C (en) | Self-sealing type deep-sea pressure-tight sampling control valve | |
| CN115487887B (en) | Temperature and pressure control method for high-temperature high-pressure micro-nano flow control chip holder | |
| CN104819338B (en) | The deep sea valve executing agency of bladder bidirection press dynamic equilibrium compensation device | |
| CN207741968U (en) | Hydraulic driving mechanical holds bottom sediment fidelity sampling device | |
| CN109374336A (en) | Abyss deposit undisturbed gastight sampling device | |
| CN208294477U (en) | Gas hydrates coring drilling with keep up pressure device | |
| CN104004648A (en) | Sampler for deep-sea microorganism pressure-maintaining transfer | |
| CN209027867U (en) | A kind of crowded sample transfer device of piston type Quan Haishen deposit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 |