CN218188254U

CN218188254U - Handheld filter pressing device for heavy metal polluted river sediment sample

Info

Publication number: CN218188254U
Application number: CN202222478974.3U
Authority: CN
Inventors: 杨牧青; 和丽萍; 曾沛艺; 和淑娟; 魏恒; 杨涛明; 唐嫚; 廖迎芸; 李嘉琦
Original assignee: Yunnan Academy Of Ecological And Environmental Sciences
Current assignee: Yunnan Academy Of Ecological And Environmental Sciences
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2023-01-03
Anticipated expiration: 2032-09-20

Abstract

The utility model discloses a heavy metal pollution river course sediment sample hand-held type filter pressing device, include shell, filter-pressing groove, go up the operation arm, operate arm, connecting rod and filter-pressing platform down. The utility model has small structure, can be carried about, can be quickly operated on site at a sampling place, is convenient to use due to handheld design, is particularly suitable for removing excessive moisture in the bottom sediment sample collected in a heavy metal polluted river channel and improves the shape stability of the bottom sediment; the preliminary separation of the sediment and the water is realized, which is beneficial to the collection and carrying.

Description

Handheld filter pressing device for heavy metal polluted river sediment sample

Technical Field

The utility model belongs to the technical field of the investigation of waters heavy metal pollution, concretely relates to hand-held type filter pressing device of heavy metal pollution river course bed mud sample.

Background

In the process of carrying out investigation on the bottom mud of the heavy metal polluted river, the collected bottom mud sample has higher water content, and the water-soil mixture is even fluid. The fluid sample is inconvenient in the process of bagging, storing, carrying and transporting, is easy to lose and omit, and can cause secondary pollution once losing and omitting. At present, no special tool for removing excessive moisture in bottom mud in heavy metal polluted river bottom mud investigation work exists. Therefore, the research and development of the handheld filter pressing device for the heavy metal polluted river sediment sample is very necessary.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heavy metal pollution river course bed mud sample hand-held type filter pressing device.

The utility model aims at realizing like this, include shell, filter-pressing groove, go up the operating arm, lower operating arm, connecting rod and filter-pressing platform, the shell top open, shell front side lower part is equipped with the fluid-discharge tube, last operating arm front end and the free bearing swing joint on shell front side upper portion, filter-pressing groove top edge outside be equipped with the round and take the ring, take the ring bottom and be equipped with the spacing ring, the filter-pressing groove side be equipped with the hole of permeating water, the filter-pressing groove place in the shell, and take the ring and take on the shell edge, in the clearance between spacing ring embedding filter-pressing groove and the shell, lower operating arm locate the shell outside, go up the operating arm and correspond with lower operating arm, connecting rod upper end and the free bearing swing joint of last operating arm body of rod, the connecting rod lower extreme is equipped with the filter-pressing platform, the filter-pressing platform is located the filter-pressing groove.

The utility model has the advantages that: the utility model has small structure, can be carried about, can be quickly operated on site at a sampling place, is convenient to use due to a handheld design, is particularly suitable for removing excessive moisture in the bottom mud sample collected in a heavy metal polluted river channel and improves the stability of the bottom mud form; the preliminary separation of the sediment and the water is realized, which is beneficial to the collection and carrying.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of FIG. 1;

FIG. 3 is a schematic structural view of a filter-pressing tank;

FIG. 4 is a schematic structural view of FIG. 1 further including upper and lower chutes;

FIG. 5 is a schematic structural view of a filter pressing table provided with a mud scraping sheet;

in the figure: 1-a shell, 2-a filter pressing tank, 3-an upper operating arm, 4-a lower operating arm, 5-a connecting rod, 6-a filter pressing table, 7-a liquid discharge pipe, 8-a lapping ring, 9-a limiting ring, 10-an upper chute, 11-a lower chute and 12-a mud scraping sheet.

Detailed Description

The following description of the present invention is provided with reference to the accompanying drawings, which are not intended to limit the present invention in any way, and all modifications and replacements made based on the teachings of the present invention belong to the protection scope of the present invention.

As shown in the attached drawings 1-5 the utility model discloses a shell 1, filter-pressing groove 2, go up operation arm 3, lower operation arm 4, connecting rod 5 and filter-pressing

platform

6, 1 top of shell open, 1 front side lower part of shell is equipped with fluid-discharge tube 7, last 3 front ends of operation arm and the free bearing swing joint on 1 front side upper portion of shell, 2 top edges of filter-pressing groove outside be equipped with round link 8, link 8 bottoms are equipped with

spacing ring

9, 2 sides of filter-pressing groove be equipped with the hole of permeating water, filter-pressing groove 2 place in shell 1, and link 8 takes on 1 edge of shell, spacing ring 9 imbeds in the clearance between filter-pressing groove 2 and the shell 1, lower operation arm 4 locate the shell 1 outside, go up operation arm 3 and correspond with lower operation arm 4, 5 upper ends of connecting rod and the free bearing swing joint of the last operation arm 3 body of rod, 5 lower extremes of connecting rod are equipped with filter-pressing platform 6, filter-pressing platform 6 is located filter-pressing groove 2.

A filter layer is laid on the inner wall of the filter pressing groove 2, and gauze, a filter screen and the like can be selected as the filter layer.

The outer side of the shell 1 is provided with two circles of sliding grooves which are an upper sliding groove 10 and a lower sliding groove 11 respectively, a hinged support at the upper part of the front side of the shell 1 is embedded into the upper sliding groove 10 and is in sliding fit with the upper sliding groove 10, the end part of the lower operating arm 4 is embedded into the lower sliding groove 11 and is in sliding fit with the lower sliding groove 11, and the bottom edge of the filter pressing table 6 is symmetrically provided with mud scraping sheets 12; when the filter-pressing operation, press once earlier, then fixed shell 1 to rotate operation arm 3, the certain angle of lower operation arm 4 along the spout, rotate the in-process, filter-pressing platform 6 also rotates thereupon, and mud of side edge promotes and is loose in filter-pressing groove 2 with mud scraping 12, and then the filter-pressing is favorable to further separating the moisture in the bed mud, makes the separation of bed mud moisture thoroughly.

The sliding groove can be a T-shaped sliding groove, and T-shaped sliding pieces matched with the T-shaped sliding groove are arranged on the side surface of the hinged support and the end part of the lower operating arm 4, so that the T-shaped sliding pieces can be clamped into the T-shaped sliding groove and slide.

The shell 1 and the filter pressing groove 2 are both cylindrical, and the filter pressing table 6 is a circular truncated cone.

The utility model discloses theory of operation and working process: when in use, a bottom mud sample collected from a heavy metal polluted river is put into the filter-pressing tank 2; adjusting the upper operating arm 3, and placing the filter pressing table 6 into the filter pressing tank 2, wherein the filter pressing table 6 is positioned above the bottom mud sample; holding the lower operating arm 4 by hand and pressing the upper operating arm 4 downwards to enable the filter pressing platform 6 to extrude the bottom mud sample; the filter pressing liquid filtered by pressing is discharged through a water permeable hole of the filter pressing groove 2d and a liquid discharge pipe 7; in the case where the pressure filtrate needs to be collected, the pressure filtrate discharged from the drain line 7 may be received by a container, such as a sample bag; after the filter pressing is finished, the upper operating arm 4 is lifted, and the filter pressing platform 6 is lifted out of the filter pressing tank 2; taking out the filter pressing tank 2, and pouring the sample in the filter pressing tank 2 into a storage container.

The present invention will be further described with reference to the following examples.

Example 1

The hand-held type filter pressing device of heavy metal pollution river course bed mud sample of this embodiment, including shell 1, filter-pressing groove 2, go up operating arm 3, operating arm 4, connecting rod 5 and filter-pressing platform 6 down, shell 1, filter-pressing groove 2 are cylindrically, filter-pressing platform 6 is the round platform, 1 top of shell open, 1 front side lower part of shell is equipped with fluid-discharge tube 7, last 3 front ends of operating arm and the free bearing swing joint on 1 front side upper portion of shell, 2 top edges of filter-pressing groove be equipped with round link 8 outside, link 8 bottoms of link 8 are equipped with

spacing ring

9, 2 sides of filter-pressing groove be equipped with the hole of permeating water, filter-pressing groove 2 place in shell 1, and link 8 is taken on 1 edge of shell, spacing ring 9 embedding filter-pressing groove 2 and the clearance between the shell 1, lower operating arm 4 locate the shell 1 outside, go up operating arm 3 and correspond with lower operating arm 4, 5 upper ends of connecting rod and the free bearing of the 3 body of last operating arm be connected, connecting rod 5 lower extreme is equipped with filter-pressing platform 6, filter-pressing platform 6 is located filter-pressing groove 2.

Example 2

The process is the same as that of the embodiment 1 except that a layer of gauze is laid on the inner wall of the filter pressing groove 2; during filter pressing, filter pressing liquid penetrates through gauze; and after the filter pressing is finished, taking the gauze and the bottom mud out of the filter pressing groove 2, and pouring the bottom mud in the gauze into a container.

Example 3

On the basis of the embodiment 1, two rings of sliding grooves, namely an upper sliding groove 10 and a lower sliding groove 11, are arranged on the outer side of a shell 1, a hinged support at the upper part of the front side of the shell 1 is embedded into the upper sliding groove 10 and is in sliding fit with the upper sliding groove 10, the end part of a lower operating arm 4 is embedded into the lower sliding groove 11 and is in sliding fit with the lower sliding groove 11, and mud scraping sheets 12 are symmetrically arranged on the edge of the bottom of a filter pressing platform 6; a hard filter screen is arranged in the filter pressing tank 2, and the hard filter screen is of an integrally formed cylindrical structure; the press filtrate passes through a hard filter screen; when the mud scraping sheet 12 rotates, mud attached to the hard filter screen is scraped; and after the filter pressing is finished, taking out the hard filter screen and the sub-green tank 2 together, and pouring out the bottom mud.

Claims

1. The utility model provides a hand-held type filter pressing device of heavy metal pollution river course sediment sample, includes shell (1), filter-pressing groove (2), goes up operation arm (3), lower operation arm (4), connecting rod (5) and filter-pressing platform (6), its characterized in that shell (1) top open, shell (1) front side lower part is equipped with fluid-discharge tube (7), last operation arm (3) front end and the free bearing swing joint on shell (1) front side upper portion, filter-pressing groove (2) top edge outside be equipped with round and take ring (8), it is equipped with spacing ring (9) to take ring (8) bottom, filter-pressing groove (2) side be equipped with the hole of permeating water, filter-pressing groove (2) place in shell (1), and take ring (8) on shell (1) edge, spacing ring (9) embedding filter-pressing groove (2) and shell (1) between the clearance, lower operation arm (4) locate the shell (1) outside, go up operation arm (3) and correspond with lower operation arm (4), the connection of connecting rod (5) upper and lower extreme connection of the connecting rod (5) is equipped with the free bearing (6) and filter-pressing groove (6), filter-pressing groove (2) lower extreme.

2. The hand-held filter pressing device for the bottom mud sample in the river polluted by the heavy metal according to claim 1, wherein a filter layer is laid on the inner wall of the filter pressing groove (2).

3. The hand-held type filter pressing device of heavy metal pollution river course sediment sample according to claim 1, characterized in that the shell (1) outside be equipped with two rings of spouts, be respectively last spout (10), lower spout (11), the free bearing on shell (1) front side upper portion imbeds in last spout (10), and with last spout (10) sliding fit, lower operation arm (4) tip imbeds in lower spout (11), and with lower spout (11) sliding fit, filter pressing platform (6) bottom edge symmetry be provided with mud scraping piece (12).

4. The handheld filter pressing device for the heavy metal polluted river sediment sample according to claim 1, wherein the shell (1) and the filter pressing groove (2) are both cylindrical, and the filter pressing platform (6) is a circular truncated cone.