CN213633057U - Device for testing saturation adsorption degree of activated carbon - Google Patents
Device for testing saturation adsorption degree of activated carbon Download PDFInfo
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- CN213633057U CN213633057U CN202021920254.2U CN202021920254U CN213633057U CN 213633057 U CN213633057 U CN 213633057U CN 202021920254 U CN202021920254 U CN 202021920254U CN 213633057 U CN213633057 U CN 213633057U
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Abstract
The utility model relates to a device for testing the saturated adsorption degree of activated carbon, which comprises an adsorption column, a resistance detection mechanism for testing the conductive capacity of the activated carbon and/or a pressure testing mechanism for testing the internal pressure of the adsorption column; the adsorption column comprises a cylindrical shell and a cover which can seal and cover the cylindrical shell, and two ends of the adsorption column are provided with vent pipes; the resistance detection mechanism comprises two electrodes, the two electrodes are arranged on the inner wall of the adsorption column, the two electrodes are respectively connected with a lead, and the leads penetrate out of the adsorption column; the pressure testing mechanism comprises a pressure sensor and an external component which are arranged in the adsorption column. In this test activated carbon saturation adsorption degree's device, the adsorption column can load different activated carbon granule, through the resistance or the adsorption column internal pressure of the activated carbon that the test was loaded, can test activated carbon's saturation adsorption degree.
Description
Technical Field
The utility model belongs to the technical field of the active carbon detection device, concretely relates to device of test active carbon saturation adsorption degree.
Background
The active carbon has stronger adsorption to organic matter, can be used to decoloration, air purification etc. but after the active carbon reaches the saturation adsorption degree, will can't exert adsorption effect, needs in time to update, but lacks the device of simple and efficient but real-time detection active carbon adsorption degree among the prior art.
SUMMERY OF THE UTILITY MODEL
But lack the device of simple and convenient efficient real-time detection active carbon adsorption degree among the prior art, the utility model aims to provide a device of test active carbon saturation adsorption degree according to the relation of test active carbon conducting capacity and gas phase adsorption degree, judges the active carbon saturation adsorption degree through the change of resistance to guide the utilization ratio and the live time of active carbon.
The utility model discloses a test active carbon saturation adsorption degree's device includes: the device comprises an adsorption column, a resistance detection mechanism for testing the conductive capability of the activated carbon and/or a pressure intensity test mechanism for testing the internal pressure intensity of the adsorption column;
the adsorption column comprises a cylindrical shell and a cover capable of sealing and covering the cylindrical shell, and two ends of the adsorption column are provided with vent pipes;
the resistance detection mechanism comprises two electrodes, the two electrodes are arranged on the inner wall of the adsorption column, the two electrodes are respectively connected with a lead, and the lead penetrates out of the adsorption column;
the pressure testing mechanism comprises a pressure sensor and an external component which are arranged in the adsorption column.
The utility model discloses an among the device of test active carbon saturation adsorption degree, the adsorption column can load different active carbon granule, through the resistance or the inside pressure of adsorption column of the active carbon that the test was loaded, can test the saturation adsorption degree of active carbon. In the toluene gas adsorption experiment and the n-heptane and toluene mixed gas adsorption experiment, the resistance gradually decreased until stabilized with the increase in the gas adsorption amount regardless of the kind of the activated carbon. The change trend of the internal pressure is basically consistent with the resistance, which shows that the change of the resistance of the activated carbon is related to the change of the internal pressure after the activated carbon adsorbs gas. Along with the increase of the gas adsorption capacity of the activated carbon adsorption column, the molecular pores of the activated carbon are gradually and completely filled, the internal pressure of the adsorption column is increased, the contact between the activated particles is tighter, the contact area is larger, and therefore the resistance is reduced. When the pressure rises to a stable value, the resistance drops to a stable value. The device can detect the change condition of the saturated adsorption resistance or the change condition of the internal pressure of the activated carbon, so that the saturated adsorption condition of the activated carbon is evaluated.
Preferably, the cylindrical shell is a cylindrical shell with an opening at one end, and the cover is in a round cake shape and can seal the opening end of the cylindrical shell in a sealing manner; the vent pipe is respectively arranged in the center of the cover and the center of the closed end of the cylindrical shell.
Further, the cap and the cylindrical housing are sealingly engaged by threads.
Furthermore, the open end of the cylindrical shell is provided with an internal thread, the cover is correspondingly provided with an external thread and is in threaded connection with the open end of the cylindrical shell, and the side wall of the cylindrical shell is provided with a cushion table close to the internal thread and placed with a rubber gasket.
Preferably, the two electrodes are oppositely arranged at the middle section of the inner side wall of the cylindrical shell.
Preferably, the outer surface of the cover is provided with two finger grooves.
Preferably, the lead-through part is sealed by glue.
Preferably, the electrode is a nickel electrode.
Preferably, the pressure sensor is a resistance-type pressure-sensitive sensor, the external connecting part is two external connecting wires configured for the resistance-type pressure-sensitive sensor, and the external connecting wires penetrate out of the adsorption column.
The utility model discloses combine the pressure variation of active carbon in the adsorption process, explored the mechanism that the active carbon resistance changes to further analyze the active carbon conducting capacity dialectically and be applied to the feasibility in the aspect of the saturated of sign gas phase adsorption. The variation trend of the pressure resistance is basically consistent with the resistance, which shows that the variation of the resistance of the activated carbon is related to the variation of the internal pressure of the activated carbon after the activated carbon adsorbs gas.
Further, the resistance-type pressure-sensitive sensor is arranged on the inner side wall of the adsorption column.
Preferably, the cylindrical housing and the cover are made of organic glass.
Preferably, the vent pipe is a stainless steel metal pipe.
The utility model discloses a test active carbon saturation adsorption degree's device theory of operation and beneficial effect as follows:
the utility model discloses an among the device of test active carbon saturation adsorption degree, the adsorption column can load different active carbon granule, through the resistance or the inside pressure of adsorption column of the active carbon that the test was loaded, can test the saturation adsorption degree of active carbon. In the toluene gas adsorption experiment and the n-heptane and toluene mixed gas adsorption experiment, the resistance gradually decreased until stabilized with the increase in the gas adsorption amount regardless of the kind of the activated carbon. The change trend of the internal pressure is basically consistent with the resistance, which shows that the change of the resistance of the activated carbon is related to the change of the internal pressure after the activated carbon adsorbs gas. Along with the increase of the gas adsorption capacity of the activated carbon adsorption column, the molecular pores of the activated carbon are gradually and completely filled, the internal pressure of the adsorption column is increased, the contact between the activated particles is tighter, the contact area is larger, and therefore the resistance is reduced. When the pressure rises to a stable value, the resistance drops to a stable value. The device can detect the change condition of the saturated adsorption resistance or the change condition of the internal pressure of the activated carbon, so that the saturated adsorption condition of the activated carbon is evaluated.
Drawings
FIG. 1 is a schematic view of an apparatus for testing the degree of saturated adsorption of activated carbon according to example 1;
fig. 2 is a schematic view of the internal structure of the cylindrical casing of embodiment 1;
FIGS. 3 and 4 are schematic views of the lid of embodiment 1;
FIG. 5 is a sectional view of the adsorption column of example 1;
FIG. 6 is a schematic view of the apparatus for testing the degree of saturated adsorption of activated carbon of example 2;
fig. 7 is a schematic view of the internal structure of the cylindrical casing of embodiment 2.
Reference numerals
The adsorption column 1, the cylindrical shell 11, the internal thread 111, the cushion table 112, the cover 12, the external thread 121, the finger groove 122, the vent pipe 13 and the rubber gasket 14;
the resistance detection mechanism 2, the electrode 21, the lead 22;
the pressure testing mechanism 3, the resistance type pressure-sensitive sensor 31 and the connecting wire 32.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that the following examples are illustrative only and are not intended to limit the scope of the present invention.
Example 1
Fig. 1 shows an apparatus for testing saturated adsorption degree of activated carbon according to a preferred embodiment of the present invention, which includes an adsorption column 1 and a resistance detection mechanism 2.
The adsorption column 1 comprises a cylindrical shell 11 and a cover 12, as shown in fig. 2 and 5, the cylindrical shell 11 is a cylindrical shell with one open end, the cover 12 is in a round cake shape and can seal the open end of the cylindrical shell 11, and a vent pipe 13 is respectively arranged at the center of the cover 12 and the center of the closed end of the cylindrical shell 11.
The cap 12 and the cylindrical housing 11 are sealingly engaged by means of a screw thread. Specifically, the open end of the cylindrical housing 11 is provided with an internal thread 111, as shown in fig. 3 and 4, the cover 12 is correspondingly provided with an external thread 121 and screwed into the open end of the cylindrical housing 11, and the sidewall of the cylindrical housing 11 is provided with a pad 112 adjacent to the internal thread 111 and the rubber gasket 14 is placed. As shown, the outer surface of the cap 12 is provided with two finger grooves 122 to facilitate screwing.
As shown in fig. 2, the resistance detection mechanism 2 includes two electrodes 21, the two electrodes 21 are disposed at the middle section of the inner side wall of the cylindrical housing 11, the two electrodes 21 are respectively connected with a lead 22, the lead 22 penetrates out of the adsorption column 1, and the penetrating part of the lead 22 is sealed by glue.
Preferably, the electrode 21 is a nickel electrode; the cylindrical shell 11 and the cover 12 are made of organic glass; the vent pipe 13 is a stainless steel metal pipe.
Preferably, the outer dimensions of the cylindrical housing 11 are φ 100 × 75 mm; the size of the inner cavity is phi 80 multiplied by 55 mm; the outer diameter of the vent pipe is 6mm, the inner diameter is 4mm, and the length is 20 mm; the nickel electrode size was 1X 1 mm.
The utility model discloses an among the device of test active carbon saturation adsorption degree, the adsorption column can load different active carbon granule, and two wires 22 connect the ohmmeter, load the resistance of active carbon through the test, can test the saturation adsorption degree of active carbon. The resistance of the activated carbon gradually decreases until it stabilizes as the amount of adsorbed gas increases. The reason for this is that, as the gas adsorption amount of the activated carbon adsorption column increases, the molecular pores of the activated carbon are gradually and completely filled, the internal pressure of the adsorption column increases, the contact between the activated particles is tighter, the contact area is larger, and thus the resistance decreases. When the pressure rises to a stable value, the resistance drops to a stable value. The device can detect the saturated adsorption resistance change condition of the activated carbon, thereby evaluating the saturated adsorption condition of the activated carbon.
Example 2
Fig. 6 shows another preferred embodiment of the present invention, which is based on embodiment 1 and adds a pressure testing mechanism 3. As shown in fig. 6 and 7, the pressure testing mechanism 3 includes a resistance-type pressure-sensitive sensor 31 disposed in the adsorption column 1, and the resistance-type pressure-sensitive sensor 31 is provided with two external leads 32, which penetrate through the adsorption column 1.
Preferably, the resistive pressure sensitive sensor 31 is disposed on the middle section of the inner sidewall of the adsorption column.
Preferably, the specifications of the resistance type pressure sensor are as follows: tekscan corporation, model A201, has a sensing range of 9.53 mm.
The two external leads 32 of this embodiment can also be connected to an ohmmeter, and the measured value indirectly reflects the internal pressure of the adsorption column, so that the saturated adsorption condition of the activated carbon can also be evaluated.
The utility model discloses combine the pressure variation of active carbon in the adsorption process, explored the mechanism that the active carbon resistance changes to further analyze the active carbon conducting capacity dialectically and be applied to the feasibility in the aspect of the saturated of sign gas phase adsorption. The variation trend of the pressure resistance is basically consistent with the resistance, which shows that the variation of the resistance of the activated carbon is related to the variation of the internal pressure of the activated carbon after the activated carbon adsorbs gas.
While the preferred embodiments of the present invention have been described in detail, it will be understood that the invention is not limited thereto, and that various modifications and substitutions of equivalents may be made by those skilled in the art without departing from the scope of the invention as defined in the appended claims.
Claims (9)
1. An apparatus for testing the saturation adsorption degree of activated carbon, comprising: the device comprises an adsorption column, a resistance detection mechanism for testing the conductive capability of the activated carbon and/or a pressure intensity test mechanism for testing the internal pressure intensity of the adsorption column;
the adsorption column comprises a cylindrical shell and a cover capable of sealing and covering the cylindrical shell, and two ends of the adsorption column are provided with vent pipes;
the resistance detection mechanism comprises two electrodes, the two electrodes are arranged on the inner wall of the adsorption column, the two electrodes are respectively connected with a lead, and the lead penetrates out of the adsorption column;
the pressure testing mechanism comprises a pressure sensor and an external component which are arranged in the adsorption column.
2. The device for testing the saturation adsorption degree of the activated carbon according to claim 1, wherein the cylindrical shell is a cylindrical shell with one open end, and the cover is in a shape of a round cake and can seal the open end of the cylindrical shell; the vent pipe is respectively arranged in the center of the cover and the center of the closed end of the cylindrical shell.
3. The device for testing the saturation adsorption degree of activated carbon according to claim 2, wherein the cover and the cylindrical shell are hermetically engaged by threads.
4. The device for testing the saturation adsorption degree of the activated carbon according to claim 3, wherein the open end of the cylindrical shell is provided with an internal thread, the cover is correspondingly provided with an external thread and is screwed in the open end of the cylindrical shell, and the side wall of the cylindrical shell is provided with a cushion table adjacent to the internal thread and is provided with a rubber gasket.
5. The device for testing the saturation adsorption degree of the activated carbon according to claim 2, wherein the two electrodes are oppositely arranged at the middle position of the inner side wall of the cylindrical shell.
6. The device for testing the saturation adsorption degree of activated carbon according to claim 1, wherein the outer surface of the cover is provided with two finger grooves.
7. The device for testing the saturation adsorption degree of the activated carbon according to claim 1, wherein the lead-through is sealed by glue.
8. The device for testing the saturation adsorption degree of activated carbon according to claim 1, wherein the electrode is a nickel electrode.
9. The device for testing the saturation adsorption degree of the activated carbon according to claim 1, wherein the pressure sensor is a resistance-type pressure-sensitive sensor, the external connecting parts are two external connecting wires configured for the resistance-type pressure-sensitive sensor, and the external connecting wires penetrate out of the adsorption column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021920254.2U CN213633057U (en) | 2020-09-04 | 2020-09-04 | Device for testing saturation adsorption degree of activated carbon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021920254.2U CN213633057U (en) | 2020-09-04 | 2020-09-04 | Device for testing saturation adsorption degree of activated carbon |
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| Publication Number | Publication Date |
|---|---|
| CN213633057U true CN213633057U (en) | 2021-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021920254.2U Active CN213633057U (en) | 2020-09-04 | 2020-09-04 | Device for testing saturation adsorption degree of activated carbon |
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| Country | Link |
|---|---|
| CN (1) | CN213633057U (en) |
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2020
- 2020-09-04 CN CN202021920254.2U patent/CN213633057U/en active Active
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