CN203337437U

CN203337437U - Ice core sample decontamination device

Info

Publication number: CN203337437U
Application number: CN2013204075012U
Authority: CN
Inventors: 刘亚平; 侯书贵
Original assignee: Cold and Arid Regions Environmental and Engineering Research Institute of CAS
Current assignee: Cold and Arid Regions Environmental and Engineering Research Institute of CAS
Priority date: 2013-07-10
Filing date: 2013-07-10
Publication date: 2013-12-11
Anticipated expiration: 2023-07-10

Abstract

The utility model discloses an ice core sample decontamination device. The ice core sample decontamination device is structurally characterized in that a base is placed on a base plate, the base and a top base are arranged in a perpendicularly opposite mode, a movable column with a pressure head penetrates through a hole in a top plate and is connected with the top base, an ice core is arranged between the top base and the base, a base shaft at the lower end of the base is inlaid into a base plate hole of the base plate, a pointed-end screw which protrudes upwards is arranged on the surface of the base, and a pointed-end screw which protrudes downwards is arranged on the surface of the top base. The ice core sample decontamination device is simple in structure and flexible in operation, saves both time and labor, and can effectively carry out decontamination operation on ice core samples with the lengths ranging from 4cm to 5cm, and therefore high-resolution clean ice core samples can be obtained.

Description

A kind of ice core product device that depollutes

Technical field

The utility model relates to the device that a kind of high resolving power trace element analysis ice core product depollute.

Background technology

The snow ice trace element is because its concentration is very low, so the decipher difficult of its record.The clean level of ice core product is to obtain the key factor of trace element data accurately and reliably, and ice core product drilling through, transport, in storage and processing procedure, its outside unavoidably is subject to the pollution of various factors, as air, drill bit, cable, wrappage etc.Therefore, in order to obtain clean sample and to analyze reliably data, the energy that need to cost a lot of money removes the part of ice core external contamination.Candelone et al. (1994) (An improved method for decontaminating polar snow and ice cores for heavy metal analysis. Analytica Acta, 299 (1), 9-16) introduced a kind of ice core device that depollutes; Chinese patent also discloses " device of a kind of ice core product pre-treatment " (patent No.: zl201220462387.9).Device mainly comprises the accessories such as support, rotating cylinder, crank, guide rail and holding screw, when depolluting, the ice core is fixed in rotating cylinder ice core horizontal positioned and by ice core two ends, then successively ream the part of ice core external contamination by mechanical method, finally obtain innermost clean sample for trace element analysis.Although tradition ice core depollutes, device efficiently solves the problem that the ice core depollutes, and also promoted the research of snow ice trace element, but still Shortcomings shows as:

This pre-treatment apparatus structure more complicated of depolluting, accessory is more, and ice core horizontal positioned while depolluting need to be placed on ice core two ends in rotating cylinder and with holding screw and fix, fixedly movable supporting frame.Depollution needs second people coordinate and rotate crank, just can complete the work of depolluting, and after the end that depollutes, needs again fastening screw, support are unclamped, and the program complexity, take time and effort.The ice core sample size that this device needs in addition is larger, at least needs the work that just can be depolluted of the above ice core of 10 cm, is difficult to like this meet the work that depollutes of the following ice core product in a large number of 10 cm; Also cause the resolution of sample lower on the other hand in (10-20 cm/ sample), affect the research of ice core trace element record.

Summary of the invention

For the problems referred to above, the utility model purpose aims to provide a kind of ice core product device that depollutes, this apparatus structure is simple, flexible operation, time saving and energy saving, also can be effectively to the work that depolluted of the ice core product of 4-5 cm length, thereby obtain high resolving power clean ice core product.

Realize that the technical scheme that the purpose of this utility model adopts is:

A kind of ice core product device that depollutes, comprise top board, backboard, base plate, corner block fixed head, base, footstock, removable post and pressure head.Form vertical bracing frame by top board, backboard, base plate and corner block fixed head, it is characterized in that base is placed on base plate, base and footstock are vertically opposite, with the removable post of pressure head, through openings in the ceiling, with footstock, are connected.Be equipped with the ice core between footstock and base, the datum axle of base lower end embeds in the base plate perforate of base plate, and there is respectively outstanding up and down pointed screw on base and footstock surface.

Compared with prior art, the utility model has the advantages that:

1, the utility model adopts vertical structure, and the ice core that need to depollute is horizontally fixed in sleeve unlike traditional ice core device that depollutes, but is vertically fixed between base and footstock.Utilize removable post can realize the fixing of different length ice core, the diameter of base and footstock is less than the size of ice core, avoided like this each 2-3 cm of conventional apparatus ice core two ends can't be depolluted owing to being fixed in sleeve, therefore can realize 4-5 cm length ice core is depolluted, guarantee the needs of High-Resolution Ice Core sample research.

2, the utility model assembling structure is simple, does not need extra standing finish, and ice core bottom relies on the weight of ice core self firmly to be sitting in above the pointed screw of base, and ice core top relies on the pointed screw that naturally droops footstock to fix.Therefore to compare traditional ice core device that depollutes simple, fast for the fixation procedure of ice core, adds that the ice core sample size needed is smaller, and whole depollution workload is little and can be by people's complete independently, time saving and energy saving.

The accompanying drawing explanation

Fig. 1 is the utility model structural representation;

Fig. 2 is the utility model ice core fixed part diagrammatic cross-section.

In figure: 1, top board, 2, backboard, 3, base plate, 4, the corner block fixed head, 5, base, 6, datum axle, 7, openings in the ceiling, 8, the base plate perforate, 9, removable post, 10, pressure head, 11, footstock, 12, pointed screw, 13, the ice core.

Embodiment

Below in conjunction with drawings and Examples, the utility model is described in further detail:

As shown in Figure 1-2, a kind of ice core product device that depollutes, comprise top board 1, backboard 2, base plate 3, corner block fixed head 4, base 5, footstock 11, removable post 9 and pressure head 10.Form vertical bracing frame by top board 1, backboard 2, base plate 3 and corner block fixed head 4, the front side of bracing frame and the left and right sides are open space, are convenient to the operation that depollutes of ice core; Binding site between backboard 2 and base plate 3 and top board 1 is fixed with holding screw; Fixing with corner block fixed head 4 between backboard 2 and top board 1 and base plate 3 angles, make bracing frame more firm.Base 5 is placed on base plate 3, and base 5 be cylindric with footstock 11, and vertically opposite, passes openings in the ceiling 7 with the removable post 9 of pressure head 10 and is connected with footstock 11.5 of footstock 11 and bases are equipped with ice core 13, and base 5 lower end datum axles 6 embed in the base plate perforate 8 of base plate 3, and there is respectively outstanding up and down pointed screw 12 on base 5 and footstock 11 surfaces.

Before use, will clean up the ice core product device that depollutes and be placed on the superclean bench desktop.During work, left hand upwards lifts removable post 9, the right hand take ice core 13 by its vertically be placed on base 5 pointed screw 12 above, left hand puts down the removable post 9 of mentioning gently, allows the downward outstanding pointed screw of footstock 11 contact with ice core upper surface.Because the weight of ice core 13 self adds the weight of the removable post 9 that naturally droops and footstock 11 self, ice core 13 is vertically fixed between the pointed screw 12 of base 5 and footstock 11, by ice core 13 chuckings.

While depolluting, ice core 13 is subject to the effect of certain external force when using scraper cutting ice core outer, may between fixing base and footstock, deviate from, therefore the staff need to use left hand to apply certain pressure from the pressure head 10 of removable post 9 downwards to removable post when depolluting, what under the effect of external force, ice core 13 can be fixed like this is more firm, with this, guarantees that ice core depollution successfully carries out.

When depolluting, due to needs rotation ice core, to ream the ice sheet of ice core outer Monday of circle, complete the work that depollutes of ice core.The method of rotation ice core has two kinds: a kind of method is because the utility model overall dimensions is smaller, can be neatly at worktable desktop integral-rotation bracing frame, thus realize the rotation of ice core; Another kind method is because base 5 can rotate freely by the datum axle 6 of lower end in the base plate opening 8 of base plate 3, therefore can first loosen from removable post 9 upper end pressure heads 10 to ice core applied pressure, lift in case of necessity removable post 9, then rotating base 5 gently, realize the rotation of ice core.

Claims

1. the ice core product device that depollutes, comprise top board (1), backboard (2), base plate (3), corner block fixed head (4), base (5), footstock (11), removable post (9) and pressure head (10), form vertical bracing frame by top board (1), backboard (2), base plate (3) and corner block fixed head (4), it is characterized in that base (5) is placed on base plate (3), base (5) and footstock (11) are vertically opposite, with the removable post (9) of pressure head (10), through openings in the ceiling (7), with footstock (11), are connected; Be equipped with ice core (13) between footstock (11) and base (5), base (5) lower end datum axle (6) embeds in the base plate perforate (8) of base plate (3), and there is respectively outstanding up and down pointed screw (12) on base (5) and footstock (11) surface.