CN217868571U

CN217868571U - Heavy metal river gushes sediment and detects and use drying device

Info

Publication number: CN217868571U
Application number: CN202221572875.5U
Authority: CN
Inventors: 邹卓华; 刘文水; 江道冠; 张志姣; 谭丽娟; 潘爱静
Original assignee: Guangdong Yuanchuang Testing Technology Co ltd
Current assignee: Guangdong Yuanchuang Testing Technology Co ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-11-22
Anticipated expiration: 2032-06-22

Abstract

The utility model discloses a drying device for detecting heavy metal river bottom mud, which comprises a ventilation cavity, a ventilation blowing device, a compressed air source and a sensing and controlling device; the ventilation cavity is of a hollow cavity structure, the interior of the ventilation cavity is divided into a plurality of layers through a horizontal metal grid, a plurality of ventilation holes are formed in the bottom of the ventilation cavity, at least one air suction hole is formed in the upper portion of the ventilation cavity, and the ventilation blowing device is provided with the air suction holes. The utility model provides a simple and convenient heavy metal river gushes sediment and detects and use drying device realizes intermittent type nature ventilation through setting up the humidity detection device in the ventilation intracavity, simultaneously through air amplifier's use, only needs a small amount of compressed gas can realize the gaseous efficient replacement in the ventilation intracavity, and ventilation equipment does not include the moving part simultaneously, uses for a long time and is difficult for appearing quality problems.

Description

Heavy metal river gushes sediment and detects and use drying device

Technical Field

The utility model relates to a chemical analysis equipment technical field specifically is a heavy metal river gushes sediment and detects and use drying device.

Background

The bottom mud is the sediment of rivers and lakes, and is an important component of natural waters. When the water area is polluted, part of pollutants in the water can be stored in the bottom mud through precipitation or particle adsorption, and are released again under proper conditions to become a secondary pollution source, and the pollution is called bottom mud pollution. In the river and lake pollution treatment process, the bottom mud pollution treatment is one of the main difficulties, and is also an environmental problem which is commonly existed at present. Dynamic balance of absorption and release exists between the water body and the bottom sediment, and when the water body is seriously polluted, part of pollutants can enter the bottom sediment through precipitation, adsorption and the like; when the pollution caused by external sources is controlled, various organic and inorganic pollutants accumulated in the bottom mud enter the overlying water body again through the physical, chemical and biological exchange action with the overlying water body, and become secondary pollution sources influencing the water quality of the water body. Therefore, it is important to investigate and evaluate the current situation of heavy metal pollution in the bottom mud and the distribution characteristics thereof.

When carrying out the analysis to the bed mud, often need carry out drying process to the sample of gathering, for avoiding influencing composition wherein simultaneously, adopt the shady means of drying better, the nature shady needs the cycle longer, is unfavorable for the promptness of detection, if adopt common ventilation fan equipment to last the ventilation, need the ventilation fan to continue the function tens of hours, the energy consumption is higher, causes ventilation fan quality problems easily moreover.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heavy metal river gushes sediment and detects and use drying device to solve the problem that exists among the prior art.

In order to achieve the purpose, the technical scheme of the utility model provides a drying device for detecting the bottom mud of the heavy metal river, which comprises a ventilation cavity, a ventilation blowing device and a compressed air source; the ventilation cavity is of a hollow cavity structure, the interior of the ventilation cavity is divided into a plurality of layers by a horizontal metal grid, a plurality of ventilation holes are formed in the side face of the bottom of the ventilation cavity, the sediment is placed in a placing disc, and the placing disc is placed above the metal grid; the upper part of the ventilation cavity is provided with at least one air suction hole, and the ventilation blowing device is provided with the air suction hole; the ventilation and air blowing device comprises an upper plate and a lower plate, wherein the upper plate and the lower plate are of disc-shaped structures with through holes arranged inside, the through holes in the upper plate and the lower plate are coaxial with an air suction hole, the bottom surface of the lower plate is fixed on the top surface of a ventilation cavity in an air-tight manner, the upper plate is detachably fixed on the top surface of the lower plate, an annular gap is arranged between the upper plate and the lower plate, one side of the annular gap is communicated with the through holes in the upper plate and the lower plate, and the other side of the annular gap is connected to a compressed air source through an air blowing hole; the inner side surface of the upper plate is obliquely arranged, the inner diameter of the top of the inner side surface of the upper plate is smaller than that of the bottom of the inner side surface of the lower plate, and the inner diameter of the bottom of the inner side surface of the upper plate is 2-5mm larger than that of the top of the inner side surface of the lower plate.

Furthermore, the drying device also comprises a sensing and controlling device, wherein the sensing and controlling device comprises at least one humidity sensor arranged in the ventilation cavity and a controlling device electrically connected with the humidity sensor and the compressed air source.

Further, the inner diameter of the inner through holes of the upper plate and the lower plate is 80-100% of the inner diameter of the air suction hole.

Further, the at least one air suction hole is arranged on the top surface or the top of the side surface of the ventilation cavity.

Furthermore, a plurality of vertical partition plates are arranged in the ventilation cavity, the ventilation cavity is divided into a plurality of relatively airtight compartments by the vertical partition plates, the top of each compartment is communicated with the ventilation cavity, and the middle part and the lower part of each compartment are mutually isolated.

Furthermore, a plurality of water filtering protruding pipes are arranged inside the object placing disc, the water filtering protruding pipes are fixedly connected with the bottom surface of the inner side of the object placing disc at the bottom, and are of tubular structures with openings at the tops, and a plurality of through holes are formed in the side walls of the tubular structures.

The utility model provides a simple and convenient heavy metal river gushes sediment and detects and use drying device realizes intermittent type nature ventilation through setting up the humidity detection device in the ventilation intracavity, simultaneously through air amplifier's use, only needs a small amount of compressed gas can realize the gaseous efficient replacement in the ventilation intracavity, and ventilation equipment does not include the moving part simultaneously, uses for a long time and is difficult for appearing quality problems.

In order to make the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained without creative efforts.

Fig. 1 is a schematic view of an embodiment of the present invention.

Fig. 2 is a schematic view of another embodiment of the present invention.

Fig. 3 is a schematic view of a storage tray according to an embodiment of the present invention.

Fig. 4 is a partially cutaway schematic view of an object placing plate according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in the attached drawings 1-4, the drying device for detecting heavy metal river bottom mud comprises a ventilation cavity 1, a ventilation and blowing device 2, a compressed air source 3 and a sensing and control device 4; the ventilation cavity 1 is a hollow cavity structure, the inside of the ventilation cavity is divided into a plurality of layers through a horizontal metal grid 11, and a plurality of ventilation holes 12 are formed in the side face of the bottom of the ventilation cavity 1. The sediment is placed in the placing plate 13, and the placing plate 13 is placed above the metal grid 11.

At least one air suction hole 14 is arranged on the top surface or the top of the side surface (the drawing is arranged on the top surface) of the ventilation cavity 1, and the ventilation and air blowing device 2 is arranged at the air suction hole 14. The ventilation and blowing device 2 comprises an upper plate 21 and a lower plate 22, the upper plate 21 and the lower plate 22 are disc-shaped structures with through holes arranged inside, the through holes in the upper plate 21 and the lower plate 22 are coaxial with the air suction holes 14, and the inner diameter of the through holes is 80-100% of the inner diameter of the air suction holes 14.

The bottom surface of the lower plate 22 is fixed on the top surface of the ventilation cavity 1 in an airtight manner, the upper plate 21 is detachably fixed on the top surface of the lower plate 22, an annular gap 23 is arranged between the upper plate 21 and the lower plate 22, one side of the annular gap 23 is communicated with the inner through holes of the upper plate 21 and the lower plate 22, and the other side of the annular gap is connected to the compressed air source 3 through an air blowing hole 24.

The inner side surface of the upper plate 21 is obliquely arranged, specifically, the inner diameter of the top part is smaller than the inner diameter of the bottom part, and the inner diameter of the bottom part of the inner side surface of the upper plate 21 is 2-5mm larger than the inner diameter of the top part of the inner side surface of the lower plate 22.

When compressed gas is blown into the annular gap 23 and out of the annular gap 23, an air amplifier is formed, and the gas in the ventilation chamber 1 can be driven to flow out of the suction hole 14.

The sensing and control device 4 comprises at least one humidity sensor 41 arranged in the ventilation cavity 1 and a control device 42 electrically connected with the humidity sensor 41 and the compressed air source 3, and the control device 42, the PLC and the control circuit board can adjust the output of the compressed air source according to humidity data.

For further improvement drying efficiency, be provided with a plurality of vertical baffles 15 in the ventilation chamber 1, vertical baffle 15 separates ventilation chamber 1 for a plurality of relative airtight compartments, and each compartment is with ventilation chamber 1 intercommunication at the top, and the lower part cuts off each other, can place the sediment sample of different dry degrees in every compartment and carry out the drying simultaneously, can effectual reduction influence each other through the setting of compartment.

Because the sediment contains a large amount of moisture in the early drying stage, in order to improve the drying efficiency, a plurality of water filtering protruding pipes 131 are arranged inside the object placing plate 13, the water filtering protruding pipes 131 are fixedly connected with the bottom surface of the inner side of the object placing plate 13 at the bottom, and are of a tubular structure with an open top, a plurality of through holes are formed in the side wall of the tubular structure, part of the moisture in the sediment can enter the inside of the water filtering protruding pipes 131 through the through holes in the side wall of the water filtering protruding pipes 131, so that the separation of 'water' and 'mud' to a certain degree is realized, the drying efficiency is favorably improved, meanwhile, the separation does not influence other composition products in a sample, and the separation cannot flow out along with 'water' in the way of filtering treatment.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," "disposed," and the like are to be construed broadly and may include, for example, a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.

Claims

1. The drying device for detecting the heavy metal river bottom mud is characterized by comprising a ventilation cavity, a ventilation blowing device and a compressed air source; the ventilation cavity is of a hollow cavity structure, the interior of the ventilation cavity is divided into a plurality of layers by a horizontal metal grid, a plurality of ventilation holes are formed in the side face of the bottom of the ventilation cavity, the sediment is placed in a placing disc, and the placing disc is placed above the metal grid; the upper part of the ventilation cavity is provided with at least one air suction hole, and the ventilation and air blowing device is provided with the air suction hole; the ventilation and air blowing device comprises an upper plate and a lower plate, wherein the upper plate and the lower plate are of disc-shaped structures with through holes arranged inside, the through holes in the upper plate and the lower plate are coaxial with an air suction hole, the bottom surface of the lower plate is fixed on the top surface of a ventilation cavity in an air-tight manner, the upper plate is detachably fixed on the top surface of the lower plate, an annular gap is arranged between the upper plate and the lower plate, one side of the annular gap is communicated with the through holes in the upper plate and the lower plate, and the other side of the annular gap is connected to a compressed air source through an air blowing hole; the inner side surface of the upper plate is obliquely arranged, the inner diameter of the top of the inner side surface of the upper plate is smaller than that of the bottom of the inner side surface of the lower plate, and the inner diameter of the bottom of the inner side surface of the upper plate is 2-5mm larger than that of the top of the inner side surface of the lower plate.

2. The drying device for detecting the heavy metal river bottom mud according to claim 1, wherein the drying device further comprises a sensing and controlling device, and the sensing and controlling device comprises at least one humidity sensor arranged in the ventilation cavity and a controlling device electrically connected with the humidity sensor and a compressed air source.

3. The drying device for detecting the heavy metal river bottom mud according to claim 1, wherein the inner diameter of the inner through holes of the upper plate and the lower plate is 80-100% of the inner diameter of the air suction hole.

4. The drying device for detecting the bottom mud of the heavy metal river according to claim 1, wherein the at least one air suction hole is arranged on the top surface or the top of the side surface of the ventilation cavity.

5. The drying device for detecting the heavy metal river bottom mud according to any one of claims 1 or 2, wherein a plurality of vertical partition plates are arranged in the ventilation cavity, the vertical partition plates divide the ventilation cavity into a plurality of relatively airtight compartments, each compartment is communicated with the ventilation cavity at the top, and the middle and lower parts of each compartment are mutually isolated.

6. The drying device for detecting the heavy metal river bottom mud according to claim 1, wherein a plurality of water filtering convex tubes are arranged in the storage tray, the bottom of each water filtering convex tube is fixedly connected with the bottom surface of the inner side of the storage tray, the top of each water filtering convex tube is of a tubular structure, and a plurality of through holes are formed in the side wall of each water filtering convex tube.