CN217212492U

CN217212492U - Gas absorption measuring device

Info

Publication number: CN217212492U
Application number: CN202121883437.6U
Authority: CN
Inventors: 刘问; 李康宁; 刘承阳
Original assignee: Beijing Forestry University
Current assignee: Beijing Forestry University
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-08-16
Anticipated expiration: 2031-08-12

Abstract

The invention provides a gas absorption amount measuring device, which is a simple device capable of measuring the gas absorption amount of a sample under different gas concentrations. The device provided by the invention mainly comprises a gas cylinder, a control console and an airtight box. The gas in the gas cylinder is connected with the controller through a hose and finally enters the airtight box; the air inlet and the air outlet of the airtight box are provided with valves, a gas concentration detector and a sample to be detected are placed in the airtight box, and the upper part of the airtight box is provided with a pressure gauge; the tail part is connected with an exhaust gas treatment device. The device has the advantages of simple structure, convenient operation, good absorption effect, energy conservation, environmental protection, convenient observation and the like.

Description

Gas absorption measuring device

Technical Field

The utility model relates to a can measure device of material gas absorbed quantity, be particularly useful for measuring the sample to different concentration gas and different gaseous absorbed quantities.

Background

The utility model discloses the technical problem that will solve is: adopt the absorption tower usually to the laboratory, spray set etc. carry out the gas absorption and handle, but these gas absorption processing apparatus manufacturing cost and use cost are higher relatively, the complicated area of structure is big, it is difficult to remove, use cost is higher, it is more to consume the energy, each subassembly is connected manyly, inconvenient dismantlement, installation and washing scheduling problem, the utility model provides a simple structure, and convenient for operation, convenient to detach and installation, convenient to wash, low cost, wide applicability, can tentatively measure the device of most gas absorption volume through the gas concentration reduction volume in the experiment main part device. The utility model discloses the device can also regard as large-scale gas absorbing device's core assembly to use.

With CO ₂ For example, in recent years, the problem of global warming caused by greenhouse gas emissions has been increasingly highlighted, with CO ₂ The effect of (1) is about 77%, and therefore, CO is developed ₂ The capture and sequestration utilization technology is a feasible method at present stage, and as the first ring of the technology, high-efficiency and low-energy CO is preferred ₂ The absorbent is particularly important, and the device can provide a primary screening for the absorbent material.

Disclosure of Invention

Based on the above circumstances of prior art, the utility model aims to have the cost height, the structure is complicated, area is big and inconvenient dismantlement, installation scheduling problem to current gas absorption volume device, provides a simple structure, and convenient operation's gas absorption volume is equipped to solve above-mentioned technical problem.

To achieve the above object, according to one aspect of the present invention, there is provided a gas absorption amount device: comprises a pressure control device, an experiment main body device and a waste gas recovery device; wherein the content of the first and second substances,

the pressure control device is used for controlling the air inlet speed;

a sample and gas concentration measuring instrument is arranged in the experiment main body structure;

the waste gas recovery device is used for treating tail gas, so that pollution is avoided;

furthermore, the pressure control device can slowly adjust the pressure through a knob to achieve the effect of slow air intake, and is connected with the air bottle and the experiment main body device through a pressure bearing pipe;

further, the experiment main body device comprises a visible pressure-bearing cuboid airtight box and a gas concentration measuring instrument;

furthermore, the lower part of the visible pressure-bearing cuboid sealing box is a detachable steel base, and the periphery and the detachable upper cover are made of organic glass;

further, an air inlet is formed in the upper portion of one side of the visible pressure-bearing cuboid sealing box, a valve is additionally arranged on the outer side of the visible pressure-bearing cuboid sealing box, an air outlet is formed in the upper portion and the lower portion of the other side of the visible pressure-bearing cuboid sealing box respectively, and a valve is additionally arranged on the outer side of the visible pressure-bearing cuboid sealing box;

further, a pressure gauge is arranged at an opening of an upper cover of the visible pressure-bearing rectangular closed box to measure the real-time pressure in the box body;

further, the gas concentration measuring instrument selects a corresponding measuring instrument to be arranged in a cuboid sealed box;

further, the tail gas absorption device selects a corresponding device.

To sum up, the utility model provides a gas absorption capacity device can tentatively screen the absorbent material that a certain gas corresponds, compares with prior art, has following profitable technological effect:

(1) compared with the conventional buffer tank device, the device adopts the knob type pressure control device to be more favorable for controlling the air inflow finely, can save gas in the gas cylinder, reduces the gas overflow amount, and avoids causing environmental pollution or causing experimenters to be injured.

(2) Compared with the prior gas absorption capacity measuring device, the device has the advantages of low cost, simple structure and convenient disassembly and cleaning.

(3) This experimental apparatus easy operation, the experiment is convenient, can carry out preliminary screening to the experimental material kind, can reduce test cost.

(4) The device can be used as one part of a large-scale experimental device, and is simple in connection and convenient to operate.

Drawings

FIG. 1 is a schematic view of the overall structure of the apparatus;

FIG. 2 is a schematic view of the structure of the upper cover of the seal box;

FIG. 3 is a schematic view of the base structure of the seal box;

FIG. 4 is a schematic diagram of a rectangular sealed box of the main structure of the experiment;

fig. 5 is an experimental flowchart of the gas absorption amount measuring apparatus of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in combination with the following embodiments. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The technical solution of the present invention will be described in detail with reference to the accompanying drawings. The utility model discloses the device provides a preliminary measurement sample is to gas uptake's device, and the composition schematic diagram of this system is shown as figure 1, include: pressure adjusting device, experiment main part device, tail gas absorbing device.

The gas in the gas cylinder 1 is connected with the knob pressure control device 2 through a pressure-bearing gas guide pipe 10, enters the experiment main body device through the gas guide pipe through the gas inlet valve 4, is discharged into the tail gas treatment device from the gas outlet after being absorbed in the experiment, and if the density of the experiment gas is greater than the air density, the gas outlet 8 is selected to be discharged, otherwise, the gas outlet 8 is selected.

Experiment main part device comprises transparent pressure-bearing cuboid seal box 5 and concentration measurement appearance 6, wherein, the cuboid seal box is the seamless cuboid that does not have upper and lower lid of organic glass that thickness is 5mm with the material all around, and the upper cover is the cuboid ring channel that has the dark 3mm of wide 5mm of thickness 5mm, and inside is equipped with the sealing rubber ring, and the edge symmetry is opened has 6 diameter 5 mm's circular bolt hole, and the pressure gauge is equipped with to the centre trompil. The lower part of seal box is the steel support, and inside division has the dark 3 mm's of the cuboid ring channel of width 5mm, and inside is equipped with the sealing rubber ring, and edge symmetry is opened has 6 diameter 5 mm's circular bolt hole.

The gas concentration testing device in the sealing box can customize a corresponding concentration monitoring device by a factory, and the tail gas treatment device selects a corresponding gas treatment system.

According to an embodiment of the present invention, there is provided a method for measuring gas absorption, wherein a flow chart of a specific detection method is shown in fig. 5, and the method includes the following steps:

the device is assembled and a sample is put in, after the air tightness is checked, firstly, valves of the air inlet 3 and the air outlet 8 are opened, then, valves of the air bottle 1 are opened, the knob of the pressure control device 2 is adjusted, air slowly enters the device, after the reading of the gas concentration testing device 6 reaches the experimental concentration, the valves of the air bottle are closed firstly, then, the valves of the air inlet 3 and the air outlet 8 are closed, finally, the knob of the pressure control device 2 is closed, the absorption time of the experimental design is waited, the reading of the concentration device is recorded, then, the valves of the air inlet 3 and the air outlet 8 are opened, the valve 13 is opened, all redundant air in the device is driven into the gas absorption device 9 by the air compressor 12, and the whole process of the experiment is windowed and ventilated.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundary of the appended claims, or the equivalents of such scope and boundary.

Claims

1. The device for measuring the gas absorption capacity is characterized by comprising a pressure control device, an experiment main body device and a waste gas recovery device; wherein the content of the first and second substances,

the experiment main body device is connected between the pressure control device and the waste gas recovery device;

the pressure control device controls the pressure intensity of the whole experimental device;

the waste gas recovery device is used for absorbing waste gas generated in the experimental process.

2. The apparatus for measuring an amount of gas absorbed as set forth in claim 1, wherein the pressure control means controls the pressure of the whole experimental device by controlling the rate of gas introduction, and is connected between the gas cylinder and the experimental main unit through a hollow pressure-supportable hose.

3. The apparatus for measuring the amount of absorbed gas according to claim 2, wherein the main unit is a rectangular parallelepiped airtight chamber having transparent periphery and capable of withstanding a certain pressure, and has a support under it and reinforced by hoops.

4. The apparatus for measuring the amount of gas absorbed according to claim 3, wherein the rectangular airtight box is made of transparent pressure-bearing organic glass, the thickness is about 5mm, the upper portion is a detachable glass cover, and the outer edge is symmetrically provided with 6 bolt holes with the diameter of 5 mm.

5. The apparatus for measuring an amount of absorbed gas as set forth in claim 3, wherein the lower holder has a rectangular groove with a depth of 3mm and a width of about 5mm, a sealing rubber ring is provided therein, and 6 bolt holes with a diameter of 5mm are symmetrically formed in an outer edge thereof.

6. The apparatus for measuring a gas absorption amount according to claim 3, wherein a gas concentration detector is provided inside the experiment main body apparatus to control a gas concentration.

7. The apparatus as claimed in claim 6, wherein a pressure gauge is installed above the main unit for monitoring the real-time pressure, and has an air inlet on one side and two air outlets on the other side.

8. The apparatus for measuring an amount of gas absorbed according to claim 7, wherein the main unit is connected to the pressure control unit through a pressure-receiving gas pipe for a gas inlet, and is connected to the exhaust gas absorption unit through a pressure-receiving gas pipe for a gas outlet.

9. The apparatus for measuring gas absorption according to claim 8, wherein when the exhaust gas absorption device is connected to the experiment main body device, and the experiment gas density is lower than the air density, the exhaust gas absorption device is connected to the experiment main body device through the lower air outlet, and when the experiment gas density is higher than the air density, the exhaust gas absorption device is connected to the experiment main body device through the upper air outlet.

10. The apparatus for measuring an amount of gas absorbed according to any one of claims 1 to 9, wherein:

experimental gas in the gas cylinder (1) enters an experiment main body device (5) through a pressure control device (2), a valve (4) and a gas inlet (3) through a pressure-bearing gas guide pipe (10), and enters a tail gas absorption device from the valve (4) through a gas outlet (8) after an experiment.