CN203824800U - Box stratified sampler for deepwater sediment - Google Patents
Box stratified sampler for deepwater sediment Download PDFInfo
- Publication number
- CN203824800U CN203824800U CN201420210620.3U CN201420210620U CN203824800U CN 203824800 U CN203824800 U CN 203824800U CN 201420210620 U CN201420210620 U CN 201420210620U CN 203824800 U CN203824800 U CN 203824800U
- Authority
- CN
- China
- Prior art keywords
- bed mud
- side plates
- deep water
- closed clamp
- stay cord
- 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 - Lifetime
Links
- 239000013049 sediment Substances 0.000 title abstract description 7
- 238000005520 cutting process Methods 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 48
- 238000005070 sampling Methods 0.000 claims description 26
- 210000000481 breast Anatomy 0.000 claims description 17
- 230000000694 effects Effects 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 238000013508 migration Methods 0.000 description 3
- 230000005012 migration Effects 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003252 repetitive effect Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- -1 silt Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a box stratified sampler for deepwater sediment. The stratified sampler comprises a rope, a spring release tube, an arm rod, a box body and a closed clamp which are sequentially connected from top to bottom, wherein the closed clamp is communicated with the bottom end of the box body; the box body comprises two side plates, a back plate, two roof hinges, a ripping fence and a movable baffle, the two roof hinges can be oppositely opened, and the ripping fence and the movable baffle are arranged on the front side of the box body; the back plate is fixedly connected with the two side plates, and the movable baffle is movably inserted in a plug-in structure of the two side plates and can be movably removed; the ripping fence is fixedly connected with the two side plates on the inner side of the movable baffle; the ripping fence is provided with multiple gaps which are parallelly arranged and used for enabling sample cutting boards to be inserted for cutting; opposite positions on the inner sides of the two side plates are provided with multiple box-body channels for enabling the sample cutting boards to be inserted for cutting; the arm rod is provided with a drawing rope retainer; the side faces of the closed clamp are respectively connected with the bottom end of the drawing rope, the other end of the drawing rope, after passing through the drawing rope retainer, is detachably connected with the drawing rope retainer, and the drawing rope retainer is excited to loosen the top end of the drawing rope by the spring release tube, so that the closed clamp is closed to sample.
Description
Technical field
The utility model relates to a kind of box deep water bed mud stratified sampler, belongs to water quality monitoring resource technical field.
Background technology
Bed mud refers to water body deposit, in order to study the rule of accumulation, distribution, conversion and the migration of pollutant in bed mud that enters water body, need to gather bed mud sample.
Bed mud (Sediment) is the potpourri of clay, silt, organic matter and various mineral normally, through long-time physics, chemistry and the effect such as biological and water body, transmits and is deposited on water bottom and forms.0-15cm thick bed mud in surface claims sediments, and the bed mud surpassing below 15cm is called deep layer bed mud.
The sampling of bed mud is according to its sampling object, and the characteristic such as bed mud, polluter and on-the-spot surrounding environment and determining.During the land such as investigation lake, river, reservoir and harbour Sediments situation, gather sediments sample more.
The sampling of sediments is generally used gripping-type sampling thief (Grab sampler) or is drilled through formula sampling thief, generally uses gripping-type sampling thief to collect surperficial bed mud, in order to the bed mud character that bed mud characteristic distributes and understanding deposits in the recent period of analysis level.The formula sampling thief of drilling through is generally used in the darker rivers and creeks of water channel and reservoir lake, can take the bed mud compared with deep layer, can be used as and analyzes the vertical distribution of polluting, and understand the polluting property during bed mud forms.
When sampling location water body is more shallow, generally employing personnel paddle and use sampling spoon sampling.If when the bed mud of adopting will be analyzed volatile organic content, can not use mixed quadrat method, to avoid determinand loss occurs, underestimate its content.As can be seen here, when more shallow for water body, the problem of using sampling spoon sampling to exist is apparent, and because bed mud top is coated with certain thickness water layer, the composition in gatherer process in bed mud sample and sample produces a certain amount of loss; What most importantly collect is biased sample, rather than layering sample, cannot analyze the vertical distribution of pollution.
When sampling location water body is darker, the general grab bucket-type dredger that adopts, its mechanism is too simple, rely on own wt with on while carrying two iron-clads after naturally drawing over to one's side semicircle mud sample, therefore be only applicable to softer substrate, and the mud layer degree of depth gathering is extremely limited can not do layering research.
Utility model content
Object: in order to overcome the deficiencies in the prior art, the utility model provides a kind of box deep water bed mud stratified sampler, carry convenient, easy to operate, use safety and guaranteed high accurancy and precision.
Technical scheme: for solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A box deep water bed mud stratified sampler, comprises from top to bottom the rope that connects successively, spring releasing tube, arm thick stick, casing, the closed clamp being connected with casing bottom; It is characterized in that: described casing comprises two blocks of side plates, breast board and a shifting board that backboard, two top board loose-leaves can splitting, front arrange; Its dorsulum is fixedly connected with two blocks of side plates, and two blocks of side plates are provided with for shifting board and insert the connected structure being flexibly connected with the link of shifting board; Shifting board activity is plugged in removable dismounting on the connected structure of two blocks of side plates; Described breast board is arranged on shifting board inner side and is fixedly connected with biside plate; On described breast board, offer a plurality of gaps for sample cutting plate insertion cutting that be arranged in parallel; Inside two blocks of side plates, opposite position is provided with a plurality of casing conduits that insert cutting for sample cutting plate.
Described box deep water bed mud stratified sampler, is characterized in that: described closed clamp comprises that two to the grab bucket of establishing; Two grab bucket tops by bolted splice on casing; Closed clamp both sides are also provided with respectively for realizing the closed clamp spring of the closed sampling of closed clamp.
Described box deep water bed mud stratified sampler, is characterized in that: on described arm thick stick, be provided with stay cord fixator; The side of closed clamp is connected with the bottom of stay cord respectively, and the other end of stay cord removably connects through stay cord fixator and stay cord fixator, excites stay cord fixator to unclamp stay cord top make the closed sampling of closed clamp by spring releasing tube.
As preferred version, described box deep water bed mud stratified sampler, is characterized in that: described spring releasing tube top is provided with the knot hole for connecting rope.
Described box deep water bed mud stratified sampler, is characterized in that: on described rope, can overlap if hammer into shape; The described hammer that makes falls to spring releasing tube top for exciting the action of spring releasing tube from rope top.
As preferred version, described box deep water bed mud stratified sampler, is characterized in that: described two top board loose-leaves are respectively hinged with side plate by hinge respectively, and two top board loose-leaves are symmetrical arranged and can split.
As preferred version, described box deep water bed mud stratified sampler, is characterized in that: described casing conduit and corresponding breast board gap are six, and the identical 20mm that is of adjacent spacing.
As preferred version, described box deep water bed mud stratified sampler, is characterized in that: also comprise counterweight lead, described counterweight lead can be arranged on casing outside, for strengthening sampling depth.
Beneficial effect: the box deep water bed mud stratified sampler that the utility model provides, (1), by casing is arranged to hierarchy, can gather the mud sample that 20mm is thick, and mud sample cutting is divided into multilayer (5 layers) studies respectively; (2) by adjusting the weight of counterweight lead, go for the substrate sludge sampling of different water depths; (3) the top board loose-leaf setting of splitting, in sampling process, mud sample is difficult for running off when passing through water layer.Realize repetitive operation, institute's sample thief can be divided into 5 layers of sample that 20mm is thick by dividing plate, and these samples can be taken out and study respectively.Be applicable to field of Environment Protection and water resources management department, the rule of accumulation, distribution, conversion and the migration of the pollutant that enters water body in order to research in bed mud, analyzes the vertical distribution of polluting, and understands the polluting property during bed mud forms.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: rope 1, make to hammer into shape 2, knot hole 3, spring releasing tube 4, wing screw 5, stay cord fixator 6, top board loose-leaf 7, hinge 8, stay cord 9, casing 10, closed clamp 11, closed clamp spring 12, sample cutting plate 13, breast board 14, shifting board 15, arm thick stick 16.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1, a kind of box deep water bed mud stratified sampler, a kind of box deep water bed mud stratified sampler, comprises from top to bottom the rope 1 that connects successively, spring releasing tube 4, arm thick stick 16, casing 10, the closed clamp 11 being connected with casing bottom; Described casing 10 comprises two blocks of side plates, backboard, two top board loose-leaves 7 can splitting and a shifting board 15 for positive setting; Its dorsulum is fixedly connected with two blocks of side plates, and two blocks of side plates are provided with for shifting board 15 and insert the connected structure being flexibly connected with the link of shifting board 15; Shifting board 15 activities are plugged in removable dismounting on the connected structure of two blocks of side plates; Described shifting board 15 inner sides are provided with a breast board 14; On described breast board 14, offer a plurality of gaps for the 13 insertion cuttings of sample cutting plate that be arranged in parallel; Inside two blocks of side plates, opposite position is provided with a plurality of casing conduits for the 13 insertion cuttings of sample cutting plate.
Described closed clamp 11 comprises that two to the grab bucket of establishing; Two grab bucket tops by bolted splice on casing; Closed clamp 11 both sides are also provided with respectively for realizing the closed clamp spring 12 of the closed sampling of closed clamp.
Described box deep water bed mud stratified sampler, is characterized in that: on described arm thick stick 16, be provided with stay cord fixator 6; The side of closed clamp is connected with the bottom of stay cord 9 respectively, and the other end of stay cord 9 removably connects through stay cord fixator 6 and stay cord fixator 6, excites stay cord fixator 6 to unclamp stay cord 9 tops make the closed sampling of closed clamp 11 by spring releasing tube 4.
As preferred version, described box deep water bed mud stratified sampler, is characterized in that: described spring releasing tube 4 tops are provided with the knot hole 3 for connecting rope 1.
Described box deep water bed mud stratified sampler, is characterized in that: on described rope 1, can overlap if hammer 2 into shape; Describedly make to hammer into shape 2 and from rope 1 top, fall to spring releasing tube 4 tops for exciting spring releasing tube 4 action.The bottom of spring releasing tube 4 is connected with arm thick stick 16 tops by wing screw 5.
Described box deep water bed mud stratified sampler, is characterized in that: described two top board loose-leaves 7 are respectively hinged with side plate by hinge 8 respectively, and two top board loose-leaves 7 are symmetrical arranged and can split.
As preferred version, described box deep water bed mud stratified sampler, is characterized in that: described casing conduit and corresponding breast board 14 gaps are six, and the identical 20mm that is of adjacent spacing.
As preferred version, described box deep water bed mud stratified sampler, is characterized in that: also comprise counterweight lead, described counterweight lead can be arranged on casing outside, for strengthening sampling depth.
The box deep water bed mud stratified sampler that the utility model provides, casing 10 is connected with rope 1 by N-shaped armed lever 16, arm thick stick 16 both sides respectively fill a stay cord fixator 6, spring releasing tube 4 is equipped with in arm thick stick 16 upper ends, when what spring releasing tube 4 was put down from rope 1 upper end, make to hammer into shape 2 shocks, stay cord fixator 6 discharges stay cord 9 tops, and two closed clamps 11 close to close and gather mud sample under gravity and 12 effects of closed clamp spring, and closed clamp is comprised of the closed clamp spring 12 of 2 stainless steel grab buckets and both sides; Casing 10 is by two blocks of side plates, breast board 14 and a shifting board 15 that backboard, two top board loose-leaves 7 can splitting, front arrange, side plate, backboard, breast board and top board loose-leaf are all to be made by stainless steel, it is corresponding with the space of breast board that the box plate inner side of both sides is provided with six cutting plate conduits, breast board 14 is positioned at the inner side of shifting board 15, after the collection of mud sample, extract shifting board 14 out sample cutting plate is inserted to casing cutting mud sample successively from top to bottom by breast board 14 and casing conduit, open top board loose-leaf 7 and take successively the above mud sample of cutting plate 13 away; Top board loose-leaf is made by 2 block plates, and the water while adopting mud sample in casing can be discharged from upper cover, and sampling thief is pulled out in the process of water body effect lower steel plate automatic airtight at hydraulic pressure and prevented that mud sample from producing when passing through water layer and run off and mix; During deep water sampling, can counterweight lead be installed in casing outside.Realize repetitive operation, institute's sample thief can be divided into 5 layers of sample that 20mm is thick by dividing plate, and these samples can be taken out and study respectively.Be applicable to field of Environment Protection and water resources management department, the rule of accumulation, distribution, conversion and the migration of the pollutant that enters water body in order to research in bed mud, analyzes the vertical distribution of polluting, and understands the polluting property during bed mud forms.
The above is only preferred implementation of the present utility model; be noted that for those skilled in the art; do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. a box deep water bed mud stratified sampler, comprises the rope that connects successively from top to bottom, spring releasing tube, arm thick stick, casing, the closed clamp being connected with casing bottom; It is characterized in that: described casing comprises two blocks of side plates, breast board and a shifting board that backboard, two top board loose-leaves can splitting, front arrange; Its dorsulum is fixedly connected with two blocks of side plates, and two blocks of side plates are provided with for shifting board and insert the connected structure being flexibly connected with the link of shifting board; Shifting board activity is plugged in removable dismounting on the connected structure of two blocks of side plates; Described breast board is arranged on shifting board inner side and is fixedly connected with biside plate; On described breast board, offer a plurality of gaps for sample cutting plate insertion cutting that be arranged in parallel; Inside two blocks of side plates, opposite position is provided with a plurality of casing conduits that insert cutting for sample cutting plate.
2. box deep water bed mud stratified sampler according to claim 1, is characterized in that: described closed clamp comprises that two to the grab bucket of establishing; Two grab bucket tops by bolted splice on casing; Closed clamp both sides are also provided with respectively for realizing the closed clamp spring of the closed sampling of closed clamp.
3. box deep water bed mud stratified sampler according to claim 1, is characterized in that: on described arm thick stick, be provided with stay cord fixator; The side of closed clamp is connected with the bottom of stay cord respectively, and the other end of stay cord removably connects through stay cord fixator and stay cord fixator, excites stay cord fixator to unclamp stay cord top make the closed sampling of closed clamp by spring releasing tube.
4. box deep water bed mud stratified sampler according to claim 1, is characterized in that: described spring releasing tube top is provided with the knot hole for connecting rope.
5. box deep water bed mud stratified sampler according to claim 1, is characterized in that: on described rope, can overlap if hammer into shape; The described hammer that makes falls to spring releasing tube top for exciting the action of spring releasing tube from rope top.
6. box deep water bed mud stratified sampler according to claim 1, is characterized in that: described two top board loose-leaves are respectively hinged with side plate by hinge respectively, and two top board loose-leaves are symmetrical arranged and can split.
7. box deep water bed mud stratified sampler according to claim 1, is characterized in that: described casing conduit and corresponding breast board gap are six, and the identical 20mm that is of adjacent spacing.
8. box deep water bed mud stratified sampler according to claim 1, is characterized in that: also comprise counterweight lead, described counterweight lead can be arranged on casing outside, for strengthening sampling depth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420210620.3U CN203824800U (en) | 2014-04-28 | 2014-04-28 | Box stratified sampler for deepwater sediment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420210620.3U CN203824800U (en) | 2014-04-28 | 2014-04-28 | Box stratified sampler for deepwater sediment |
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| Publication Number | Publication Date |
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| CN203824800U true CN203824800U (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420210620.3U Expired - Lifetime CN203824800U (en) | 2014-04-28 | 2014-04-28 | Box stratified sampler for deepwater sediment |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104280269A (en) * | 2014-10-10 | 2015-01-14 | 李云峰 | Shallow superficial layer sludge sampler |
| CN104777011A (en) * | 2015-03-26 | 2015-07-15 | 浙江大学 | Beach deposit collection and in situ ecology stimulation apparatus and method thereof |
| CN105863643A (en) * | 2016-04-29 | 2016-08-17 | 钟爱华 | Efficient marine mineral resource digging device and method |
| CN105888671A (en) * | 2016-04-29 | 2016-08-24 | 浙江海洋大学 | Marine mineral gripping device and collecting method thereof |
| CN105909249A (en) * | 2016-04-29 | 2016-08-31 | 夏玉娟 | Seabed plane mineral product excavating device and method |
| CN105909250A (en) * | 2016-04-29 | 2016-08-31 | 浙江海洋大学 | Seabed mineral product collection device and method |
| CN105909251A (en) * | 2016-04-29 | 2016-08-31 | 钟爱华 | Deep sea mineral product excavating device and method |
| CN105910852A (en) * | 2016-07-01 | 2016-08-31 | 中国环境科学研究院 | Vertical overlying deposit layered collection device and method |
| CN107219089A (en) * | 2017-08-09 | 2017-09-29 | 湖南科技大学 | A kind of pivot angle split box corer and its sampling method |
| CN107314908A (en) * | 2017-08-09 | 2017-11-03 | 湖南科技大学 | A kind of detachable sediment sampling device |
| CN108535055A (en) * | 2017-06-12 | 2018-09-14 | 中国科学院测量与地球物理研究所 | A kind of bed mud and benthon harvester |
| CN109540580A (en) * | 2018-12-06 | 2019-03-29 | 扬州大学 | A kind of river bottom mud and water sample original sample collector |
| CN110736642A (en) * | 2019-12-06 | 2020-01-31 | 重庆尚泽源环保科技有限公司 | sludge sampling device for sewage sedimentation tank |
| CN111855266A (en) * | 2020-07-08 | 2020-10-30 | 上海大学 | Sediment sampler |
| CN112557104A (en) * | 2020-12-15 | 2021-03-26 | 河海大学 | Box-type mud sampler suitable for shallow sediment collection and using method thereof |
| CN117288522A (en) * | 2023-11-24 | 2023-12-26 | 中勘地球物理有限责任公司 | Mineral geological investigation equipment |
-
2014
- 2014-04-28 CN CN201420210620.3U patent/CN203824800U/en not_active Expired - Lifetime
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| CN104280269B (en) * | 2014-10-10 | 2017-06-13 | 李云峰 | A kind of table shallow-layer sludge sampler |
| CN104280269A (en) * | 2014-10-10 | 2015-01-14 | 李云峰 | Shallow superficial layer sludge sampler |
| CN104777011A (en) * | 2015-03-26 | 2015-07-15 | 浙江大学 | Beach deposit collection and in situ ecology stimulation apparatus and method thereof |
| CN104777011B (en) * | 2015-03-26 | 2017-07-25 | 浙江大学 | A kind of Tidal Flat Sediments collection, ecological simulating apparatus in situ and its method |
| CN105888671A (en) * | 2016-04-29 | 2016-08-24 | 浙江海洋大学 | Marine mineral gripping device and collecting method thereof |
| CN105909250A (en) * | 2016-04-29 | 2016-08-31 | 浙江海洋大学 | Seabed mineral product collection device and method |
| CN105909251A (en) * | 2016-04-29 | 2016-08-31 | 钟爱华 | Deep sea mineral product excavating device and method |
| CN105909249A (en) * | 2016-04-29 | 2016-08-31 | 夏玉娟 | Seabed plane mineral product excavating device and method |
| CN105909251B (en) * | 2016-04-29 | 2018-08-24 | 长沙绿矿环保科技有限公司 | A kind of deep-sea mineral products cutting arrangement and its system of attack |
| CN105863643B (en) * | 2016-04-29 | 2018-10-02 | 合肥龙图腾信息技术有限公司 | A kind of efficient scooping device of oceanic mineral resources and its take method |
| CN105863643A (en) * | 2016-04-29 | 2016-08-17 | 钟爱华 | Efficient marine mineral resource digging device and method |
| CN105909250B (en) * | 2016-04-29 | 2017-12-22 | 浙江海洋大学 | Seabed mineral harvester and its acquisition method |
| CN105910852A (en) * | 2016-07-01 | 2016-08-31 | 中国环境科学研究院 | Vertical overlying deposit layered collection device and method |
| CN108535055A (en) * | 2017-06-12 | 2018-09-14 | 中国科学院测量与地球物理研究所 | A kind of bed mud and benthon harvester |
| CN107314908B (en) * | 2017-08-09 | 2023-04-07 | 湖南科技大学 | Detachable sediment sampling device |
| CN107219089A (en) * | 2017-08-09 | 2017-09-29 | 湖南科技大学 | A kind of pivot angle split box corer and its sampling method |
| CN107314908A (en) * | 2017-08-09 | 2017-11-03 | 湖南科技大学 | A kind of detachable sediment sampling device |
| CN107219089B (en) * | 2017-08-09 | 2023-04-21 | 湖南科技大学 | Swing angle split box type sampler and sampling method thereof |
| CN109540580A (en) * | 2018-12-06 | 2019-03-29 | 扬州大学 | A kind of river bottom mud and water sample original sample collector |
| CN109540580B (en) * | 2018-12-06 | 2020-12-08 | 扬州大学 | River sediment and water sample former state collector |
| CN110736642A (en) * | 2019-12-06 | 2020-01-31 | 重庆尚泽源环保科技有限公司 | sludge sampling device for sewage sedimentation tank |
| CN110736642B (en) * | 2019-12-06 | 2022-06-24 | 重庆尚泽源环保科技有限公司 | Sewage is mud sampling device for sedimentation tank |
| CN111855266A (en) * | 2020-07-08 | 2020-10-30 | 上海大学 | Sediment sampler |
| CN111855266B (en) * | 2020-07-08 | 2023-05-16 | 上海大学 | Sediment sampler |
| CN112557104B (en) * | 2020-12-15 | 2022-06-21 | 河海大学 | Box-type mud sampler suitable for shallow sediment collection and using method thereof |
| CN112557104A (en) * | 2020-12-15 | 2021-03-26 | 河海大学 | Box-type mud sampler suitable for shallow sediment collection and using method thereof |
| CN117288522A (en) * | 2023-11-24 | 2023-12-26 | 中勘地球物理有限责任公司 | Mineral geological investigation equipment |
| CN117288522B (en) * | 2023-11-24 | 2024-02-09 | 中勘地球物理有限责任公司 | Mineral geological investigation equipment |
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| C14 | Grant of patent or utility model | ||
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Effective date of registration: 20180327 Address after: 210000 room 3F311, room No. 88, Chang Fu square, No. 88 Hongshan Road, Xuanwu District, Nanjing, Jiangsu Patentee after: NANJING BIOU ENVIRONMENTAL TECHNOLOGY CO.,LTD. Address before: Qinhuai Kechuang Center No. 278 Zhonghua Road, Qinhuai District, Nanjing City, Jiangsu province 210001 room 512 Patentee before: ENVIRONMENTAL SCIENCE AND TECHNOLOGY CO.,LTD.ON THE HAI BIOU |
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| CX01 | Expiry of patent term |
Granted publication date: 20140910 |
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| CX01 | Expiry of patent term |