CN202886137U - Core pattern bottom mud sampler and matched sample separation device thereof - Google Patents
Core pattern bottom mud sampler and matched sample separation device thereof Download PDFInfo
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- CN202886137U CN202886137U CN 201220436098 CN201220436098U CN202886137U CN 202886137 U CN202886137 U CN 202886137U CN 201220436098 CN201220436098 CN 201220436098 CN 201220436098 U CN201220436098 U CN 201220436098U CN 202886137 U CN202886137 U CN 202886137U
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Abstract
The utility model provides a core pattern bottom mud sampler which comprises a long rod, a casing pipe, a sampling core pipe, a mooring rope and a water drainage pipe of the sampling core pipe; a seal plug is matched on the top end of the sampling core pipe; the water drainage pipe is connected to the seal plug; and the casing pipe is provided with a hole through which the water drainage pipe passes; and a valve is matched with the water drainage pipe. The utility model also provides a sample separation device matched with the sampler. The sample separation device comprises a base, a push column and a sample separation box; the sample separation box is provided with a support frame; a core pipe extending-in hole is formed on the bottom of the sample separation box; a nitrogen air supply mechanism is matched with the sample separation box which is provided with an operation hole for hands to extend in. The sampler extracts bottom mud at the bottom of a river simply and easily through the opening and closing of the valve of the water drainage pipe by utilizing the telescopic long rod and the core pipe in the casing pipe; samples are extracted from the bottom of water without manual work, and the sampling effect is good, and the structure is simple, and the cost is low; and meanwhile, the sample separation device can separate samples in an oxygen-free environment, and improve the accuracy of test data.
Description
Technical field
The utility model relates to a kind of core pattern sediment sampler and minute sampling device supporting with it.
Background technology
The core pattern sediment sampler is mainly used in collecting the bed mud of vertical distribution, in order to the parameter of the section pollutant distribution of measuring bed mud, thereby can provide the historical accumulation situation of pollutant.Original adoption diving method allows frogman's collection bed mud that dives into the water, because the method safety problem and labor cost problem substantially no longer adopt.Invented gravity-type core pattern sediment sampler abroad, at sampling thief the metal weight has been installed, utilized the gravity of its generation, sampling thief is inserted in the river bottom mud, the stopping device that utilizes the sampling thief bottom to install prevents that the bed mud that gathers in the sampling thief runs off.Find that according to practical application such sampling thief is easy to gather very soft bed mud, for slightly hard bed mud, this sampling thief just can not enter the mud layer sampling.In addition, if the stopping device that install this type of sampling thief bottom is run into the solids such as stone in the bed mud, often be not closed completely, cause bed mud to run off.And this class sampling thief is expensive, and after sale service is inconvenient.
In addition, for gathering the bed mud sample of coming, generally be to operate at aerobic environment, but some sample need to be measured parameters such as ORP (oxidation-reduction potential), pH, S, COD, BOD and DO, if directly contact atmosphere when dividing sample, to affect the accuracy of its mensuration, at this moment just need to adopt oxygen free operation.
Summary of the invention
Technical problem to be solved in the utility model provides easy and simple to handle, simple in structure, the core pattern sediment sampler that cost is lower and practical, the utility model by the following technical solutions for this reason: it comprises stock, sleeve pipe, sampling core pipe, the drainpipe of hawser and sampling core pipe, joint sleeve top, described stock bottom, described sleeve pipe connects described hawser, described sampling core pipe is connected and fixed by bindiny mechanism removedly in the sleeve bottom threading and during being through sleeve pipe the time, described sampling core pipe top is equipped with sealing-plug, described drainpipe is connected on the sealing-plug, described sleeve pipe has the hole that the water supply and sewage pipe passes, and described drainpipe is equipped with valve.
On the basis of adopting above technical scheme, the utility model can also adopt following further scheme:
Described stock is stretchable bar, and has handle on the stock top.
Described sleeve pipe both sides have the web member for connection cable.Described web member is the metal suspension ring, is used for connection cable.
Another technical matters to be solved of the utility model provides the supporting minute sampling device of a kind of and sampling thief, and for this reason, the utility model can also be by the following technical solutions:
It comprises base, pushes away post and splitter box; The described post that pushes away comprises column and the top mud piston that is connected to the described sampling core pipe at column top; Described splitter box has bracing frame, has under the described splitter box for pushing away the space that post is put into, and described splitter box bottom has the core pipe and stretches into the hole, and described splitter box is equipped with the nitrogen gas supply mechanism, and described splitter box is provided with the handle hole that stretches into for hand.
On the basis of adopting above technical scheme, the utility model can also adopt following further scheme:
Handle hole is provided with the sealing sleeve that can supply hand to pass.
Described minute sampling device also be equipped with cut the sample cutter and with can entangle bed mud and with sampling core pipe xsect suitable mould pipe.
Owing to adopted the technical solution of the utility model, described sampling thief utilized core pipe in telescopic stock and the sleeve pipe by the drainpipe valve the pass and close the bed mud that has extracted simply the river bed, need not manually enter water-bed sampling, and the sampling better effects if, simple in structure, cost is low; Simultaneously, sampling device can divide sample to improve the accuracy of test figure under oxygen-free environment in of the present utility model minute.
Description of drawings
Fig. 1 is the synoptic diagram of sampling thief described in the utility model.
Fig. 2 is the synoptic diagram that the utility model divides sampling device.
Embodiment
With reference to the accompanying drawings.
The sampling thief that the utility model provides comprises the drainpipe 7 of stock 1, sleeve pipe 2, sampling core pipe 3, hawser 4 and sampling core pipe, described sleeve pipe 2 connection cables 4, described sleeve pipe 2 tops can be this as sealing or connect a lid, sampling core pipe 3 is connected and fixed by bindiny mechanism 30 removedly in sleeve pipe 2 bottom threadings 2 and during being through sleeve pipe the time, and bindiny mechanism can adopt screw or bolt.Described sampling core pipe 3 tops are equipped with sealing-plug 6, and drainpipe 7 is connected on the sealing-plug 6, and described sealing match 6 can adopt cork also can adopt rubber plug.Described sleeve pipe 2 has the hole that water supply and sewage pipe 7 passes, and described drainpipe 7 is equipped with valve 8.
Described stock 1 is telescopic bar, and has handle 11 on the stock top.Described stock 1 can adopt metal material to make, and length is 2.5-4 rice, but utilizes the tensile properties free adjustment of stock 1 to be fit to the length of the stock of the river course degree of depth, and described stock 1 is fixed on the sleeve pipe 2.During use, the people can catch handle 11 to utilize thrust that it is dropped to the river bed, when finishing sampling, utilizes the pulling force pull-up to get final product Metallic rod.
Described sleeve pipe 2 both sides have the web member 12 for connection cable.Described web member 12 is the metal suspension ring, is used for connection cable 4.Hawser 4 is used for the folding and unfolding sampling thief, and the sampling thief accident was lost when stock was slipped out of the hand in the time of can avoiding using.
Described minute sampling device also be equipped with cut sample cutter 110 and with can entangle bed mud and with sampling core pipe 3 xsects suitable mould pipe 115.
Below be the step of sampling process:
1, the core pipe 3 of will sampling is first packed in the sleeve pipe 2, and with the valve open on the drainpipe 7; Measure simultaneously the depth of water in river course, in order to regulate the height of stock 1 and the length of hawser 4.
2, at leisure sampling thief is sunk to river water body bottom desired location and utilize stock 1 that sampling thief is pushed among the bed mud, allow bed mud enter the core pipe and make water pass through drainpipe 7 and discharge.At this moment, with the valve closing of drainpipe 7, to produce the pull of vacuum of some strength.
3, handle and the hawser by stock slowly is pulled upwardly sampling thief, carries to the water surface.
4, before the fast water outlet of sampling thief sleeve pipe 2 bottom openings rapidly with hand with rubber seal plug with the bottom blocking, the core pipe that then bed mud mud sample will be housed takes out, and is placed on to take back the laboratory in the ice water bucket in order to the need of test.And sampling core pipe 3 must be upright, can not side and handstand, in order to avoid confuse the mud sample, also need the vibrations of avoiding strong simultaneously.
Minute sampling device that the utility model also provides a kind of and sampling apparatus is supporting, sampling device comprised base 100, pushes away post and splitter box 102 in described minute, and the described post that pushes away comprises column 101 and the top mud piston 200 that is connected to the described sampling core pipe at column 101 tops; Described splitter box 102 has bracing frame 103, described splitter box has for 102 times for pushing away the space that post is put into, described splitter box 102 bottoms have the core pipe and stretch into the hole, and described splitter box is equipped with the nitrogen gas supply mechanism, and described splitter box 102 is provided with the handle hole 104 that stretches into for hand.Handle hole 104 is provided with the sealing sleeve 105 that can pass for hand, and sealing sleeve 105 is comprised of the multi-disc blade or with the structure of the similar oversleeve of degree of tightness zone circle, reduces gas leakage in the time of can operating again and prevent that air from entering.
The proportion of nitrogen is larger than air, therefore after passing into nitrogen, can be with the Bas Discharged in the splitter box, avoided the impact of oxygen on test parameters, because some sample need to be tested parameters such as ORP (oxidation-reduction potential), pH, S, COD, BOD and DO, if directly contact atmosphere when dividing sample, will affect the accuracy of its mensuration.So in splitter box, divide sample to bed mud, avoided the generation of the problems referred to above.
General core pipe bed mud sample need to be divided into the little mud post of 1-5cm, and each little mud post represents the separately performance of mud layer, by measuring as can be known the polluter composition vertical distribution of whole mud post, namely the accumulation situation of pollutant.Below be the process steps of minute sample, with reference to figure 2:
1, pass into nitrogen in the splitter box 102, the air that originally is present in the case is emptying.
2, sop up with will the sample supernatant of core pipe 3 the superiors of suction pipe; The sampling core pipe 3 that is collected the mud sample is stretched into the core pipe stretch into the hole, and the piston 200 that will push away post is against core pipe 3 bottoms.
When 3, beginning minute sample, be ready to highly mould pipe 115 for the segment of 2-5cm, it is suitable and one cutting sample cutter 110 with core pipe xsect to mould pipe 115.To mould pipe 115 and place on the sampling core pipe 3, it is downward then to promote the core pipe, and the mud post is released sampling core pipe 3, the mud layer of release roughly with mould pipe 115 and highly equate, with cutting sample cutter 110 carefully with this layer sample and the incision of mud post.Little effective masking foil and the plastic paper packing of moulding of mud sample will be housed again, labelled, the situation of record sampling point and level.
If 4, sample needs to preserve, should be positioned in the refrigerator-freezer about 4 ℃.
Claims (7)
1. core pattern sediment sampler, it is characterized in that described sampling thief comprises the drainpipe of stock, sleeve pipe, sampling core pipe, hawser and sampling core pipe, joint sleeve top, described stock bottom, described sleeve pipe connects described hawser, described sampling core pipe is connected and fixed by bindiny mechanism removedly in the sleeve bottom threading and during being through sleeve pipe the time, described sampling core pipe top is equipped with sealing-plug, described drainpipe is connected on the sealing-plug, described sleeve pipe has the hole that the water supply and sewage pipe passes, and described drainpipe is equipped with valve.
2. a kind of core pattern sediment sampler as claimed in claim 1 is characterized in that described stock is telescopic bar, and has handle on the stock top.
3. a kind of core pattern sediment sampler as claimed in claim 1 is characterized in that described sleeve pipe both sides have the web member for connection cable.
4. a kind of core pattern sediment sampler as claimed in claim 3 is characterized in that described web member is the metal suspension ring, is used for connection cable.
One kind with the supporting minute sampling device of sampling thief as claimed in claim 1, it is characterized in that described minute sampling device comprises base, pushes away post and splitter box; The described post that pushes away comprises column and the top mud piston that is connected to the described sampling core pipe at column top; Described splitter box has bracing frame, has under the described splitter box for pushing away the space that post is put into, and described splitter box bottom has sampling core pipe and stretches into the hole, and described splitter box is equipped with the nitrogen gas supply mechanism, and described splitter box is provided with the handle hole that stretches into for hand.
6. as claimed in claim 5 minute sampling device is characterized in that handle hole is provided with the sealing sleeve that can supply hand to pass.
7. as claimed in claim 5 minute sampling device, it is characterized in that described minute sampling device also be equipped with cut the sample cutter and with can entangle bed mud and with sampling core pipe xsect suitable mould pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220436098 CN202886137U (en) | 2012-08-30 | 2012-08-30 | Core pattern bottom mud sampler and matched sample separation device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220436098 CN202886137U (en) | 2012-08-30 | 2012-08-30 | Core pattern bottom mud sampler and matched sample separation device thereof |
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| Publication Number | Publication Date |
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| CN202886137U true CN202886137U (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220436098 Expired - Fee Related CN202886137U (en) | 2012-08-30 | 2012-08-30 | Core pattern bottom mud sampler and matched sample separation device thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535369A (en) * | 2015-01-13 | 2015-04-22 | 中铁二局股份有限公司 | Detachable slurry sampler |
| CN104865101A (en) * | 2015-04-27 | 2015-08-26 | 山东科技大学 | Sediment sample division device |
| CN105784448A (en) * | 2016-05-09 | 2016-07-20 | 厦门大学 | Sediment column sample dividing device |
| CN106568612A (en) * | 2016-11-02 | 2017-04-19 | 浙江水利水电学院 | Detection method for detecting bottom sediment of revetment section |
| CN109856008A (en) * | 2019-02-28 | 2019-06-07 | 湖南科技大学 | Snow layer density measuring device and use method |
| CN110542582A (en) * | 2019-09-20 | 2019-12-06 | 上海市长江口中华鲟自然保护区管理处 | Anchor type mud sampler |
-
2012
- 2012-08-30 CN CN 201220436098 patent/CN202886137U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535369A (en) * | 2015-01-13 | 2015-04-22 | 中铁二局股份有限公司 | Detachable slurry sampler |
| CN104535369B (en) * | 2015-01-13 | 2017-05-10 | 中铁二局工程有限公司 | Detachable slurry sampler |
| CN104865101A (en) * | 2015-04-27 | 2015-08-26 | 山东科技大学 | Sediment sample division device |
| CN104865101B (en) * | 2015-04-27 | 2017-10-31 | 山东科技大学 | A kind of bed mud point sampling device |
| CN105784448A (en) * | 2016-05-09 | 2016-07-20 | 厦门大学 | Sediment column sample dividing device |
| CN105784448B (en) * | 2016-05-09 | 2019-07-09 | 厦门大学 | Sediment core divides sampling device |
| CN106568612A (en) * | 2016-11-02 | 2017-04-19 | 浙江水利水电学院 | Detection method for detecting bottom sediment of revetment section |
| CN109856008A (en) * | 2019-02-28 | 2019-06-07 | 湖南科技大学 | Snow layer density measuring device and use method |
| CN110542582A (en) * | 2019-09-20 | 2019-12-06 | 上海市长江口中华鲟自然保护区管理处 | Anchor type mud sampler |
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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 |
Granted publication date: 20130417 Termination date: 20150830 |
|
| EXPY | Termination of patent right or utility model |