CN207148052U - A kind of experimental provision of dynamic and static two methods detection adsorbent absorption property - Google Patents

A kind of experimental provision of dynamic and static two methods detection adsorbent absorption property Download PDF

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Publication number
CN207148052U
CN207148052U CN201621494906.4U CN201621494906U CN207148052U CN 207148052 U CN207148052 U CN 207148052U CN 201621494906 U CN201621494906 U CN 201621494906U CN 207148052 U CN207148052 U CN 207148052U
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China
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pipeline
valve
way connection
needle
adsorbent
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CN201621494906.4U
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Chinese (zh)
Inventor
刘双
张洋
江华
姚远
李军生
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Nanjing Forestry University
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Nanjing Forestry University
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Abstract

The utility model, which discloses a kind of experimental provision device of dynamic and static two methods detection adsorbent absorption property, includes gas bomb, outer silk three-way connection, mass flowmenter, valve, cylindrical adsorption bed, pressure test table, temperature gauge, surge tank, gas chromatographicanalyzer and vavuum pump.The present apparatus can both use the absorption property of state method test adsorbent, can be tested again with static method.It is also possible to test at a constant temperature, you can to test absorption property of the adsorbent under condition of different temperatures, and adsorbent desorption experiment can also be carried out.So, this device can test the absorption property of adsorbent from many aspects, can obtain enough experimental datas, from transverse direction, the quality of longitudinal comparison adsorbent, can evaluate the quality of adsorbent.It is high to test pipe fitting, instrument utilization rate, it is simple to operate.

Description

A kind of experimental provision of dynamic and static two methods detection adsorbent absorption property
Technical field
This practical innovation is related to the device of the absorption property of test adsorbent, more specifically a kind of evaluation adsorbent Good and bad device.
Background technology
Since the industrial revolution, along with the development of industrial civilization, a large amount of discharges of plant gas, vehicle exhaust etc., cause Human ecological environment is seriously damaged (global warming, ozone layer leak etc.), therefore, at gas trapping separation, tail gas Reason is increasingly paid close attention to by the mankind.Temp.-changing adsorption (Temperature swim adsorption, TSA) and pressure-variable adsorption (Pressure swim adsorption, PSA) occupies very big market ratio, adsorbent in gas trapping separation technology field Research and development, the modified favor for enjoying researcher of optimization, therefore, in the market has emerged in large numbers various adsorbents, such as:Boiling Stone, activated carbon, molecular sieve, polymer, metal oxide etc..This just needs a kind of excellent experimental provision to these adsorbents Absorption property tested with evaluate their good and bad grade it is convenient for people to use and selection.The adsorbent used now is surveyed Trial assembly is put and can only carry out performance test or pure gas with single method (static method or dynamic method) and carried out under constant temperature Test, can carry out the test of adsorbent absorption property with static method and can with dynamic method, and analyze without a kind of test device The difference of both approaches test result." gas-dynamic adsorption-desorption test device " (application number 201520760228.0) is reported A kind of to test adsorption-desorption performance of the adsorbent to multicomponent gas, the adsorbent of test both can be graininess, Can be threadiness, but method of testing is single to be tested with dynamic method, and operate more complicated." Dynamic Adsorption test device " (application number 201220210964.5) reports a kind of low manufacture cost, Dynamic Adsorption test device simple to operate, but should Device can only be tested with dynamic method, can not carry out desorption test, and the form of adsorbent is also restrained, it is impossible to Test granular adsorbent.
Utility model content
The purpose of this utility model is that providing a kind of absorption property that dynamic method can be used to carry out adsorbent tests, again The experimental provision that can be tested with static method.
The utility model is achieved through the following technical solutions its purpose:
A kind of experimental provision of dynamic and static two methods detection adsorbent absorption property, the device include first gas steel Bottle C1, second gas steel cylinder C2, the first to the 6th outer three-way connection T1~T6, the first mass flowmenter F1, the second quality stream Gauge F2, the first to the second pressure-reducing valve V1~V2, the 3rd to nine kinds of needles valve V3~V9, cylindrical adsorption bed 4, control air accumulator 5th, pressure test table 2, temperature gauge 3, surge tank 8, gas mixing tank 1, gas chromatographicanalyzer 7 and vavuum pump 10, it is described First gas steel cylinder C1, the first pressure-reducing valve V1, mass flowmenter pass sequentially through the first pipeline A connections, the first pipeline A ends One end with a first outer three-way connection T1 is held to be connected, a described first outer other both ends of three-way connection T1 connect second respectively Pipeline B and the 3rd pipeline C, the second described pipeline B are sequentially connected second gas steel cylinder C2, the second pressure-reducing valve V2, mass flow Meter, the 3rd described pipeline C are sequentially connected gas mixing tank 1, the 3rd needle-valve V3, end and second outer three-way connection T2 and connected Connect.
Described second outer other two sections of a three-way connection T2 connects the 4th pipeline D and the 5th pipeline E respectively, and described the A the 3rd outer three-way connection T3 of four pipeline D other ends connection, the described a 3rd outer other both ends of three-way connection T3 connect respectively Pressure test table and the 8th pipeline I, the 8th described pipeline I sequentially connect the 4th needle-valve V4, cylindricality adsorbent bed, the 6th needle-valve V6 Connect, a 4th outer three-way connection T4 of end connection, the described a 4th outer three-way connection T4 connection temperature gauge and the 9th manages Line J, the 9th described pipeline J are connected with a 5th outer three-way connection T5, and the described a 5th outer three-way connection T5 is connected in addition 5th pipeline E and the 6th pipeline F, the 5th described pipeline E are sequentially connected the 5th needle-valve V5, control 8 and the 5th outer silk of air accumulator Three-way connection T5, the 6th described pipeline F are sequentially connected in series gas chromatographicanalyzer, the 7th needle-valve V7, end connection surge tank.
Pressure vacuum gauge, an external 6th outer three-way connection T6, the 6th described threeway are housed at the top of described surge tank 8th needle-valve V8 is housed on the connection of joint T6 other both ends the 7th pipeline G and the tenth pipeline K, the 7th pipeline G, described the Ten pipeline K are provided with the 8th needle-valve V8, and end connects vavuum pump.
Described cylindricality adsorbent bed and control air accumulator can be put into constant water bath box.
Described cylindricality adsorbent bed and the pressure and temperature of control air accumulator use pressure test table and temperature gauge respectively To test.
The vacuum of described surge tank is monitored with vacuum meter, and such surge tank can both be used for avoiding air pressure to vacuum The impact failure of pump, while the vacuum of adsorption system and air-tightness can be detected.
The utility model patent has following advantage and beneficial effect compared with original adsorbent test device
(1) test device of the present utility model can either use Dynamic Adsorption analysis mode, and can static analysis mode, Human and material resources are so greatlyd save, and more reliable data can be provided for experimenter, make performance of the adsorbent test more accurate Really.
(2) it can be the graininess such as spherical, cylinder to be tested adsorbent, and the gas of detection can be that pure gas can also be Bi-component mixed gas.
(3) experimental implementation is simple, occupies little space, and cost is low.
Brief description of the drawings
Fig. 1 is the experimental provision structure chart that a kind of dynamic and static two methods detect adsorbent absorption property.
Embodiment
The experimental provision that with reference to Fig. 1 and embodiment dynamic and static two methods are detected with adsorbent absorption property is carried out Detailed description.
Embodiment:
As shown in figure 1, a kind of experimental provision of dynamic and static two methods detection adsorbent absorption property, the device include First gas steel cylinder C1, second gas steel cylinder C2, first to the 6th outer three-way connection T1~T6, the first mass flowmenter F1, Second mass flowmenter (F2), the first to the second pressure-reducing valve V1~V2, the 3rd to nine kinds of needles valve V3~V9, cylindrical adsorption bed 4, Compare air accumulator 5, pressure test table 2, temperature gauge 3, surge tank 8, gas mixing tank 1, gas chromatographicanalyzer 7 and true Empty pump 10, the first gas steel cylinder C1, the first pressure-reducing valve V1, the first mass flowmenter F1 pass sequentially through the first pipeline A connections, The outlet side of the first described pipeline A is connected with first outer three-way connection T1 one end, and conic clamp is carried in its connected mode The nut of set tightens guarantee air-tightness, is all connected and repeated no more in a manner of this by the connected mode of underground pipelines and three-way connection. The outer other both ends of three-way connection T1 of described first connect the second pipeline B and the 3rd pipeline C, the second described pipeline B respectively It is sequentially connected second gas steel cylinder C2, the second pressure-reducing valve V2, the second mass flowmenter F2, the 3rd described pipeline C are sequentially connected Gas mixing tank 1, the 3rd needle-valve V3, outlet side are connected with a second outer three-way connection T2, a described second outer three-way connection Other two sections of T2 connects the 4th pipeline D and the 5th pipeline E, a 3rd outer threeway of the 4th described pipeline D other ends connection respectively Joint T3, the described a 3rd outer other both ends of three-way connection T3 connect pressure test table 2 and the 8th pipeline I respectively, described 4th needle-valve V4, cylindricality adsorbent bed 4, the 6th needle-valve V6 are sequentially connected with by the 8th pipeline I, and gas outlet end connects the 4th outer silk three Pass joint T4, the described the 4th outer thread three-way connection T4 connections temperature gauge 3 and the 9th pipeline J, the 9th described pipeline J and A 5th outer three-way connection T5 connection, the described the 5th outer other both ends of a three-way connection T5 connect the pipes of the 5th pipeline E and the 6th Line F, the 5th described pipeline E are sequentially connected the 5th needle-valve V5, compare a three-way connection T5 outside air accumulator 5 and the 5th, described 6th pipeline F is sequentially connected in series gas chromatographicanalyzer 7, the 7th needle-valve V7, end connection surge tank 8, the described top of surge tank 8 Equipped with pressure vacuum gauge 9, a 6th outer three-way connection T6 is separately met, the described the 6th outer other both ends connections of a three-way connection T6 the 8th needle-valve V8 is housed, the tenth described pipeline K is provided with nine kinds of needles valve on seven pipeline G and the tenth pipeline K, the 7th pipeline G V9, end connect vavuum pump 10, and described gas chromatographicanalyzer 7 is connected with computer 6, records the concentration of gas.
Described cylindricality adsorbent bed 4 is identical with the volume size material of control air accumulator 5, and they can be put into constant temperature In water bath 11, it can so be used for detecting the absorption property of the adsorbent under constant temperature, their pressure and temperature difference Tested with pressure test table 2 and temperature gauge 3.
Pressure vacuum gauge 9 is housed on described surge tank 8, connects the outer three-way connection T6 of the 6th pipeline F and the 6th, so Not only vavuum pump 10 can have been protected but also can detect the vacuum and air-tightness of device.
The 8th pipeline I is provided with the outer three-way connection of the 4th needle-valve V4, the 6th needle-valve V6, cylindricality adsorbent bed the 4, the 3rd T3, a 4th outer three-way connection T4, the 5th pipeline E are provided with control air accumulator 5 and the 5th needle-valve V5.
The outer three-way connection T3 connections pressure test table 2 of described the 3rd, the described 4th outer three-way connection T4 connections temperature Degree test table 3.
6th pipeline (F) connects the 7th needle-valve (V7), and a described 6th outer three-way connection (T6) connects the 7th pipeline (G) and the tenth pipeline (K), the 7th pipeline (G) connect the 8th needle-valve (V8), and the tenth pipeline (K) is provided with nine kinds of needles valve (V9)。
The course of work of the present utility model is as follows:
The air-tightness of test experience device before test, the 8th needle-valve V8 is closed, open other all valves, utilize vavuum pump By device vacuum pumping, pressure vacuum gauge 9 is observed, after the vacuum required by reaching, nine kinds of needles valve V9 is closed, treats 10~15 points Zhong Hou, if the air-tightness of the constant as device of the registration of vacuum pressure 9 is good, nine kinds of needles valve V9 is then opened, closes vavuum pump 10, The 8th needle-valve V8 is opened, so protects vavuum pump not impacted by air pressure.
Illustrate this reality so that dynamic, static method test spherical cellulose aerogel to the absorption property of carbon dioxide as an example below With new operation principle:Gas is N in first gas steel cylinder C12(99.99%), gas is CO in second gas steel cylinder C22 (99.99%).
Embodiment 1:
Appropriate spherical cellulose aerogel is taken after check device air-tightness, to open vavuum pump 10 in cylindricality adsorbent bed 4 Adsorbent bed is vacuumized, all valves and vavuum pump are then shut off, with to be tested.
According to the N of mixing gas component 75%2And 25%CO2Tested, open first and second pressure-reducing valve V1, V2, and 3rd needle-valve V3, the 5th needle-valve V5, the 8th needle-valve V8, then make N by adjusting first and second mass flowmenter F1, F22Flow velocity For 150ml/min, CO2Flow velocity be 50ml/min, when gas chromatographicanalyzer 7 show CO2Concentration be 25%, N2Concentration For 75% and proof system is stable when stablizing constant, data now are recorded, while pass through pressure test table 2 and first and depressurize Valve V1 is constant to hold system pressure.Then the 4th needle-valve V4 and the 6th needle-valve V6 is opened, the 5th needle-valve V5 is closed, makes mixing Gas enters adsorbent bed, starts timing, and record CO by gas chromatographicanalyzer 72Concentration.Work as gas chromatographicanalyzer CO is shown in 72Concentration is continuously increased until proving that adsorbent absorption reaches saturation, record now time and closing first when constant Pressure-reducing valve V1, the second pressure-reducing valve V2 and the 4th needle-valve V4 and the 6th needle-valve V6, open the 5th needle-valve V5, and Dynamic Adsorption has been tested Finish.Data are arranged, draw out CO2Breakthrough curve, calculate CO not to be adsorbed2Total amount, with flowed into system in the whole period CO2Total amount subtracts CO not to be adsorbed2Amount obtains total adsorbance of adsorbent.
After absorption test is completed as described above, the 8th needle-valve V8 is closed, nine kinds of needles valve V9 is opened and vavuum pump 10 is solved Inhale test.When pressure vacuum gauge reaches setting, the 3rd needle-valve V3 and the 5th needle-valve V5 is closed, the 6th needle-valve V6 is opened and starts Desorption test, when gas chromatographicanalyzer 7 shows CO2Concentration is zero, and desorption is completed, and arranges data, draws desorption curve.
The adsorption and desorption experiment of dynamic method test adsorbent can be completed by above-mentioned steps.
Embodiment 2:
With the absorption property of static method test cellulose aerogels.
It is evacuated with the air-tightness of the identical method check device of example 1 and by adsorbent bed, then opens the 3rd pin Valve V3, a certain amount of pure carbon dioxide is passed through to control air accumulator 5, is then shut off the 3rd needle-valve V3, treats that system is stable Afterwards, the reading P1 of now pressure test table and the reading T1 of temperature gauge are write down, then opens the 4th needle-valve V4 and the 6th pin Valve V6, the absorption property of static method test adsorbent is carried out, when the reading of pressure test table 2 and temperature gauge 3 no longer change When prove that adsorbent reaches maximum i.e. absorption and reaches saturation, write down pressure P2 now and temperature T2, experiment terminate.Pass through PV =nRT, you can calculate adsorbent maximal absorptive capacity (cylindricality adsorbent bed 4 and control air accumulator 5 diameter can directly survey Amount, volume can be calculated).
Embodiment 3:
With the absorption property of dynamic method detection cellulose aerogels at different temperatures.Its experimental procedure and embodiment 1 are big Body phase is same, and difference by constant water bath box 11 in test process is adsorbed in not keeping a temperature value of adsorbent bed all the time not Become.After the completion of test, the temperature of regulating thermostatic water bath, above-mentioned experiment is repeated, so can be to obtain adsorbing under different temperatures The Dynamic Adsorption breakthrough curve of agent.
Embodiment 4:
With the absorption property of static method test cellulose aerogels at different temperatures.Its experimental procedure and embodiment 2 are big Body phase is same, and the regulation of its temperature is identical with embodiment 3.
As described above, it is implementation explanation of the present utility model.

Claims (7)

1. a kind of experimental provision of dynamic and static two methods detection adsorbent absorption property, the device include first gas steel cylinder (C1), second gas steel cylinder (C2), the first to the 6th outer a three-way connection (T1~T6), the first mass flowmenter (F1), second Mass flowmenter (F2), the first to the second pressure-reducing valve (V1~V2), the 3rd to nine kinds of needles valve (V3~V9), cylindrical adsorption bed (4) air accumulator (5), pressure test table (2), temperature gauge (3), surge tank (8), gas mixing tank (1), gas phase color, are compareed Compose analyzer (7) and vavuum pump (10), the first gas steel cylinder (C1), the first pressure-reducing valve (V1), the first mass flowmenter (F1) the first pipeline (A) connection, the outlet side of described the first pipeline (A) and a first outer three-way connection (T1) are passed sequentially through One end is connected, and the nut with taper cutting ferrule tightens guarantee air-tightness in connected mode, with the connection of underground pipelines and three-way connection Mode is all connected with this mode and repeated no more, and a described first outer three-way connection (T1) connects the second pipe in both ends respectively in addition Line (B) and the 3rd pipeline (C), described the second pipeline (B) be sequentially connected second gas steel cylinder (C2), the second pressure-reducing valve (V2), Second mass flowmenter (F2), the 3rd described pipeline (C) are sequentially connected gas mixing tank (1), the 3rd needle-valve (V3), outlet side It is connected with a second outer three-way connection (T2), a described second outer three-way connection (T2) connects the 4th pipeline in both ends respectively in addition (D) and the 5th pipeline (E), a 3rd outer three-way connection (T3) of the 4th described pipeline (D) other end connection, outside the described the 3rd Both ends connect pressure test table (2) and the 8th pipeline (I) to silk three-way connection (T3) respectively in addition, and the 8th described pipeline (I) will 4th needle-valve (V4), cylindricality adsorbent bed (4), the 6th needle-valve (V6) are sequentially connected with, and gas outlet end connects the 4th outer silk three and connected Head (T4), the described a 4th outer three-way connection (T4) connection temperature gauge (3) and the 9th pipeline (J), the described the 9th pipe Line (J) is connected with a 5th outer three-way connection (T5), and the described a 5th outer three-way connection (T5) in addition manage by both ends connection the 5th Line (E) and the 6th pipeline (F), the 5th described pipeline (E) are sequentially connected the 5th needle-valve (V5), control air accumulator (5) and the 5th Outer silk three-way connection (T5), the 6th described pipeline (F) are sequentially connected in series gas chromatographicanalyzer (7), the 7th needle-valve (V7), end Surge tank (8) is connected, pressure vacuum gauge (9) be housed at the top of described surge tank (8), the external 6th three-way connection (T6) outside, The outer three-way connection (T6) of described the 6th connects the 7th pipeline (G) and the tenth pipeline (K), the 7th pipeline in both ends in addition (G) the 8th needle-valve (V8) is housed, the tenth described pipeline (K) is provided with nine kinds of needles valve (V9), and end connects vavuum pump (10), described on Gas chromatographicanalyzer (7) be connected with computer (6), record the concentration of gas.
2. a kind of experimental provision of dynamic and static two methods detection adsorbent absorption property according to claim 1, it is special Sign:Described cylindricality adsorbent bed (4) is identical with the volume size material of control air accumulator (5), and they can be put into constant temperature In water bath (11), it can so be used for detecting the absorption property of the adsorbent under constant temperature, their pressure and temperature point Do not tested with pressure test table (2) and temperature gauge (3).
3. a kind of experimental provision of dynamic and static two methods detection adsorbent absorption property according to claim 1, it is special Sign:Pressure vacuum gauge (9) is housed on described surge tank (8), connects the 6th pipeline (F) and a 6th outer three-way connection (T6), It so can not only protect vavuum pump (10) but also can detect the vacuum and air-tightness of device.
4. a kind of experimental provision of dynamic and static two methods detection adsorbent absorption property according to claim 1, it is special Sign:8th pipeline (I) is provided with the 4th needle-valve (V4), the 6th needle-valve (V6), cylindricality adsorbent bed (4), the 3rd outer silk three and connected Head (T3), a 4th outer three-way connection (T4), the 5th pipeline (E) are provided with control air accumulator (5) and the 5th needle-valve (V5).
5. a kind of experimental provision of dynamic and static two methods detection adsorbent absorption property according to claim 1, it is special Sign:A described 3rd outer three-way connection (T3) connection pressure test table (2), a described 4th outer three-way connection (T4) connection temperature Test table (3).
6. a kind of experimental provision of dynamic and static two methods detection adsorbent absorption property according to claim 3, it is special Sign:6th pipeline (F) connects the 7th needle-valve (V7), a described 6th outer three-way connection (T6) connect the 7th pipeline (G) and Tenth pipeline (K).
7. a kind of experimental provision of dynamic and static two methods detection adsorbent absorption property according to claim 6, it is special Sign:7th pipeline (G) connects the 8th needle-valve (V8), and the tenth pipeline (K) is provided with nine kinds of needles valve (V9).
CN201621494906.4U 2016-12-30 2016-12-30 A kind of experimental provision of dynamic and static two methods detection adsorbent absorption property Expired - Fee Related CN207148052U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109459508A (en) * 2018-10-25 2019-03-12 上海交通大学 Adsorbent analytical equipment and its combination analysis method
CN109580805A (en) * 2018-11-08 2019-04-05 上海交通大学 Adsorption equilibrium specificity analysis device and its analysis method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109459508A (en) * 2018-10-25 2019-03-12 上海交通大学 Adsorbent analytical equipment and its combination analysis method
CN109580805A (en) * 2018-11-08 2019-04-05 上海交通大学 Adsorption equilibrium specificity analysis device and its analysis method

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