CN104931292A - United collection device and method for sediments and plankton in deep layer and shallow layer transition water area - Google Patents
United collection device and method for sediments and plankton in deep layer and shallow layer transition water area Download PDFInfo
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- CN104931292A CN104931292A CN201510386167.0A CN201510386167A CN104931292A CN 104931292 A CN104931292 A CN 104931292A CN 201510386167 A CN201510386167 A CN 201510386167A CN 104931292 A CN104931292 A CN 104931292A
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Abstract
The invention discloses a united collection device and method for sediments and plankton in a deep layer and shallow layer transition water area. The united collection device comprises a sediment collecting device body and a plankton net. The sediment collecting device body comprises steel tubes, supports and a solid steel column. The steel tubes are connected with the solid steel column through the supports. The tops of the steel tubes are diagonal planes. The side face of each steel tube is provided with a spring lock catch, the spring lock catches are connected to adjusting steel sheets, and therefore sediments can be collected. The plankton net comprises a net body, a net ring, an adjusting valve and a pull rope. The sediment collection device body and the plankton net are connected through connection rings, so that the united collection device is formed, and collection of two kinds of samples is synchronously completed. The united collection device and method have the advantages that the structure is simple, manufacturing is easy, operating is convenient, interface disturbance is small, the sampling success rate is high, and labor and sampling time are saved. The united collection device and method are suitable for synchronous sampling of sediments and plankton in water areas such as a river, a lake, a reservoir and ocean and particularly suitable for collection of samples of sediments and plankton in a deep layer and shallow layer transition water area.
Description
Technical field
The invention belongs to environmental monitoring field, particularly the apparatus and method of a kind of depth layer transitional water area deposition thing and planktonic organism Collect jointly.
Background technology
The portable sampling thief of sediment commercially can purchased at present, mainly contain grab type and pillar sampling thief two kinds, expensive, use in operation at the scene and be very easily damaged, especially the sediment for waters, area, depth layer boundary gathers, utilize portable grab type, pillar sampling thief and there is the mechanical tensile forces Deep-water Sediment sampling thief of twisted rope, all inapplicable.In use there is obvious drawback in grab type sampling thief, bottom is captured owing to relying on own wt, under area, the boundary buoyancy that waters is slightly dark, bottom sampler is difficult to closed, water bottom cannot be touched, if bottom deposit material is less, even if bottom sampler can touch bottom, also be difficult to successfully grab sediment, therefore nearly all cannot collect sample for the busy deep water river of shipping, area, river mouth, mud scum sedimentary facies to the river course bottom less deep water river, hard.In use, Grab-type sediment sampler is often subject to water resistance because volume is large, occurs cord break, the situation that collector comes off.Portable pillar sampling thief, human users is simple, and easy to carry, lighter in weight, compares the surface deposit collection being applicable to shoal water zone, but is not suitable in slightly dark waters collected specimens.Sampling boat mechanical tensile forces sediment collector, uses at deep water and has some superiority, but expend higher, have certain requirement to human users's ability, if the area of the inadequate degree of depth in waters, stops also to the location of sampling boat and brings certain difficulty.
Worker generally gather waters sedimental while, also need to gather the planktonic organism sample in close monitoring site, these two kinds of samples all need gather time, be mostly to carry out separate operation at present.In addition, the instrument gathering shallow-layer waters planktonic organism used is mostly simple and easy tub taper plankton nets that can be portable, it is lightweight, single by force stay cord just can complete planktonic organism sample collection, but under the impact of darker area, the boundary current in waters, sampling network is lightweight, and easy run-off the straight is rocked, also easily cause at acquisition port place sample to overflow, good sample collection effect can not be ensured.
Summary of the invention
In order to overcome the shortcoming of prior art with not enough, primary and foremost purpose of the present invention is the device providing a kind of depth layer transitional water area deposition thing and planktonic organism Collect jointly.This device is that a kind of being applicable to carries out the sediment in transition waters, area, depth layer boundary and the device of planktonic organism sample Collect jointly.This device can realize the sediment in depth layer transition waters and planktonic organism simultaneously, synchronous, gather with site, operating process is simple and easy to do, has greatly saved human cost, has also shortened acquisition time.
Another object of the present invention is to provide a kind of method using the device of above-mentioned depth layer transitional water area deposition thing and planktonic organism Collect jointly.
Object of the present invention is achieved through the following technical solutions: the device of a kind of depth layer transitional water area deposition thing and planktonic organism Collect jointly, comprises sediment collecting device and plankton net, and wherein, sediment collecting device is connected to the top of plankton net.
Described sediment collecting device comprises steel pipe, support and solid steel column; Described steel pipe and solid steel column are linked together by support; The top of steel pipe is a scarf, there is a Spring lock catch side, steel duct is hollow, steel pipe axially offers shifting chute, Spring lock catch is connected to by shifting chute and regulates on steel disc, Spring lock catch controls an adjustment steel disc of steel duct by shifting chute, and an abutment ring is arranged at the bottom of steel pipe; In the bottom of solid steel column, there is a gravity abutment ring can installing gravity code, have a latch closure can installing stay cord at its top.
Described plankton net comprises dictyosome, net circle, the variable valve of bottom and stay cord.Net circle there is the abutment ring of net button and sediment collecting device can link together, form the device of Collect jointly.Net circle there is perforation, opening that is unlimited or closed net circle can be controlled with stay cord.
The quantity of described steel pipe is preferably 4 ~ 8 steel pipes; The maximum quantity of described steel pipe is 8, and diameter of steel tube can carry out the design that varies in size as required;
Described steel pipe is stainless-steel pipe;
Described support is stainless steel stent;
Described solid steel column is stainless steel solid steel column;
Described support comprises multiple connection strap, and one end of described multiple connection straps is connected on solid steel column; The other end of described multiple connection straps respectively with fastener for connection;
One end of described multiple connection straps is welded on solid steel column; The other end of described multiple connection straps is welded on steel pipe;
Described steel pipe and solid steel column are connected on support;
Described steel pipe and solid steel column are welded on support;
Described Spring lock catch is extended with link; Described link puts in shifting chute and is connected with adjustment steel disc.
Described Spring lock catch is welded to and regulates on steel disc;
Described link puts in shifting chute and is welded on adjustment steel disc;
Described gravity code has the different sizes such as 5kg, 10kg, 15kg, 20kg, 25kg or 30kg;
The aperture of described dictyosome can arrange different pore size according to different sampling requests;
Described perforation is multiple, arranges respectively around net circle;
It is multiple that described net is buckled, and the network interface respectively around net circle is arranged; Described net is buckled identical with the quantity of abutment ring and is connected one to one.
Use the method for the device of above-mentioned depth layer transitional water area deposition thing and planktonic organism Collect jointly, comprise following concrete steps:
Mainly utilizing has the sediment collecting device of certain Action of Gravity Field and plankton net to be combined and installed together, and carries out synchronous Collect jointly simultaneously to depth layer transitional water area deposition thing and planktonic organism.First, the device of depth layer transitional water area deposition thing and planktonic organism Collect jointly is thrown in water, make device put forth effort on water bottom sediment by steel pipe gravity and top scarf, in level towing process, can gather water bottom sediment and planktonic organism simultaneously; If just take sediment, sediment collecting device can be separated with plankton net, only use sediment collecting device also can complete sediment collection; If just gather planktonic organism, the device of depth layer transitional water area deposition thing and planktonic organism Collect jointly vertically can be sunk to water bottom, the heavy burden that such steel pipe can increase plankton net completes the collection of planktonic organism sample.
The present invention, relative to prior art, has following advantage and effect:
(1) sediment collecting device is simple for production, with low cost.
(2) collection sediment that can be quantitative; Self-control plankton net, can arrange dictyosome different pore size according to different sampling requests.
(3) for Collect jointly device, singlely operated sediment and planktonicly to have gathered simultaneously, go out sampling time can save human cost, shorten the sample collection time.
(4) the present invention have structure simple, be easy to make, easy to operate, interfacial disturbance is little, be sampled into power high, save the advantage such as manpower and sampling time, be applicable to waters sediment and the planktonic synchronized samplings such as river course, lake, reservoir and ocean, be especially particularly suitable for sediment and the planktonic organism sample collection in waters, area, depth layer boundary.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of sediment collecting device.
Fig. 2 is the schematic diagram of sediment collecting device hollow steel pipe.
Fig. 3 is the schematic diagram of the solid steel column of sediment collecting device.
Fig. 4 is the schematic diagram of plankton net.
Fig. 5 is the schematic diagram of the device of depth layer transitional water area deposition thing and planktonic organism Collect jointly.
Wherein, 1-steel pipe; 2-support; The solid steel column of 3-; 4-Spring lock catch; 5-regulates steel disc; 6-abutment ring; 7-gravity code; 8-gravity abutment ring; 9-latch closure; 10-dictyosome; 11-nets circle; 12-variable valve; 13-nets button; 14-stay cord; 15-bores a hole.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment 1
As shown in Figure 1, be a kind of schematic diagram being applicable to carrying out the harvester gathering depth water transitional water area deposition thing.Sediment collecting device comprises 4 ~ 8 steel pipes 1, support 2 and solid steel column 3, and described steel pipe 1 and solid steel column 3 are linked together by support 2, and described steel pipe 1 and solid steel column 3 are welded on support 2; Described support 2 comprises multiple connection strap, and one end of described multiple connection straps is connected on solid steel column 3; The other end of described multiple connection straps is connected with steel pipe 1 respectively.The top design of steel pipe 1 is a scarf, can increase sedimental cutting dynamics; As shown in Figure 2, there is a Spring lock catch 4 side of steel pipe 1, steel pipe 1 inside is hollow, steel pipe 1 axially offers shifting chute, described Spring lock catch 4 is extended with link, described link puts in shifting chute and is connected with adjustment steel disc 5, Spring lock catch 4 controls an adjustment steel disc 5 of steel pipe 1 inside by shifting chute, can by the push-and-pull up and down of Spring lock catch 4, the position of regulating and controlling steel disc 5, thus be beneficial to the sediment that release gathers, also can regulate the volumetric usage gathering thing in addition; An abutment ring 6 is arranged at the bottom of steel pipe 1, is the position that can be connected with plankton net.As shown in Figure 3, in the bottom of solid steel column 3, there is a gravity abutment ring 8 can installing gravity code 7, the gravity of whole sediment collecting device can be adjusted by the weight of gravity code; Have the latch closure 9 can installing stay cord 14 at the top of solid steel column 3, stay cord 14 plays the effect of pulling force, thus is beneficial to sediment collecting device and moves.
Embodiment 2
As shown in Figure 4, be a kind of plankton net schematic diagram with sediment collecting device conbined usage in embodiment 1 that is applicable to.Plankton net comprises dictyosome 10, net circle 11, the variable valve 12 of bottom and stay cord 14.Net circle 11 has net buckle 13 and the abutment ring 6 of sediment collecting device can link together, form Collect jointly device.Net circle 11 there is perforation 15 can penetrate stay cord 14, opening that is unlimited or closed net circle 11 can be controlled by utilizing tension stay cord 14.Variable valve 12 can the taking of Quality control.
Embodiment 3
As shown in Figure 5, be a kind of schematic diagram being applicable to the device carrying out depth layer transitional water area deposition thing and planktonic organism Collect jointly.Sediment and planktonic organism Collect jointly device by the net netted on circle 11 buckle 13 and abutment ring 6 link together and form.Collect jointly device is immersed water body by stay cord 14 and carries out sample collection by sample collector.When Collect jointly device near water bottom time, by parallel pulling force towing gear, the cutting of the scarf at sediment collecting device top is water-bed obtains sediment sample; Plankton net is lightweight, when entering water body, can be floating, follow the pulling force effect of sediment collecting device simultaneously, dictyosome 10, in the heavy burden effect of gravity code 7, can not occur arbitrarily to wave, effectively prevent sample loss, plankton net carries out planktonic organism sample collection under stable pulling force, finally reaches the object of synchronous acquisition sediment and planktonic organism sample.
Above-described embodiment is the present invention's preferably embodiment; but embodiments of the present invention are not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present invention and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. a device for depth layer transitional water area deposition thing and planktonic organism Collect jointly, is characterized in that comprising sediment collecting device and plankton net; Wherein, sediment collecting device is connected to the top of plankton net;
Described sediment collecting device comprises steel pipe, support and solid steel column; Described steel pipe and solid steel column are linked together by support; The top of steel pipe is a scarf, and there is a Spring lock catch side, and steel duct is hollow, and steel pipe axially offers shifting chute, and Spring lock catch is connected to by shifting chute and regulates on steel disc, and an abutment ring is arranged at the bottom of steel pipe; In the bottom of solid steel column, there is a gravity abutment ring installing gravity code, have a latch closure installing stay cord at its top;
Described plankton net comprises dictyosome, net circle, the variable valve of bottom and stay cord; Net circle has net button, and the abutment ring of sediment collecting device links together, form the device of Collect jointly; Net circle there is perforation, controls opening that is unlimited or closed net circle with stay cord.
2. the device of depth layer transitional water area deposition thing according to claim 1 and planktonic organism Collect jointly, is characterized in that: the quantity of described steel pipe is 4 ~ 8 steel pipes.
3. the device of depth layer transitional water area deposition thing according to claim 1 and planktonic organism Collect jointly, is characterized in that: described steel pipe and solid steel column are connected on support.
4. the device of depth layer transitional water area deposition thing according to claim 1 and planktonic organism Collect jointly, is characterized in that: described support comprises multiple connection strap, and one end of described multiple connection straps is connected on solid steel column; The other end of described multiple connection straps respectively with fastener for connection.
5. the device of depth layer transitional water area deposition thing according to claim 1 and planktonic organism Collect jointly, is characterized in that: described Spring lock catch is extended with link; Described link puts in shifting chute and is connected with adjustment steel disc.
6. the device of depth layer transitional water area deposition thing according to claim 1 and planktonic organism Collect jointly, is characterized in that: described perforation is multiple, arranges respectively around net circle.
7. the device of depth layer transitional water area deposition thing according to claim 1 and planktonic organism Collect jointly, is characterized in that: it is multiple that described net is buckled, and the network interface respectively around net circle is arranged; Described net is buckled identical with the quantity of abutment ring and is connected one to one.
8. the method for the depth layer transitional water area deposition thing described in any one of utilization claim 1 ~ 7 and the device of planktonic organism Collect jointly, comprises following concrete steps:
The device device of depth layer transitional water area deposition thing and planktonic organism Collect jointly is thrown in water, device is made to put forth effort on water bottom sediment by steel pipe gravity and top scarf, in level towing process, water bottom sediment and planktonic organism are gathered simultaneously.
9. the method for the depth layer transitional water area deposition thing described in any one of utilization claim 1 ~ 7 and the device of planktonic organism Collect jointly, comprises following concrete steps:
Sediment collecting device is separated with plankton net, only uses sediment collecting device to complete sediment collection.
10. the method for the depth layer transitional water area deposition thing described in any one of utilization claim 1 ~ 7 and the device of planktonic organism Collect jointly, comprises following concrete steps:
The device of depth layer transitional water area deposition thing and planktonic organism Collect jointly is vertically sunk to water bottom, and the heavy burden of steel pipe increase plankton net completes the collection of planktonic organism sample.
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Cited By (3)
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| CN107593631A (en) * | 2017-08-29 | 2018-01-19 | 暨南大学 | A kind of planktonic organism and particle matter collection device and application suitable for Large River |
| CN112616785A (en) * | 2020-12-09 | 2021-04-09 | 中国水产科学研究院黑龙江水产研究所 | Qualitative collection method for plankton in different depth layers of lake |
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