CN211235710U - Coal quality active carbon iodine adsorption value detection device - Google Patents
Coal quality active carbon iodine adsorption value detection device Download PDFInfo
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- CN211235710U CN211235710U CN201922033740.6U CN201922033740U CN211235710U CN 211235710 U CN211235710 U CN 211235710U CN 201922033740 U CN201922033740 U CN 201922033740U CN 211235710 U CN211235710 U CN 211235710U
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Abstract
The utility model relates to a coal activated carbon iodine adsorption value detection device, which comprises a coal activated carbon storage tank, three first conical bottles, a vibration motor, a vibration plate, an igniter, three second conical bottles, three third conical bottles, an electric heating constant temperature drying box and a controller; the three first conical flasks are arranged below the coal-based activated carbon storage tank; the output port of the coal-based activated carbon storage tank is fixedly connected with three pipelines, and the output port of each pipeline is respectively arranged at the bottle mouth of each first conical bottle; and each pipeline is provided with a powder flowmeter and a switch valve. The utility model can accurately and quantitatively sample the coal-based activated carbon in the coal-based activated carbon storage tank by arranging the powder flowmeter and the switch valve, further adjust the concentration of the activated carbon filtrate to a qualified range, and further ensure the detection accuracy of the iodine adsorption value of the coal-based activated carbon; through setting up the vibration board, can cooperate vibrating motor and igniter to realize shaking even and the heating process to first erlenmeyer flask.
Description
Technical Field
The utility model relates to a chemical reagent is equipped with apparatus technical field, especially relates to a coal quality active carbon iodine adsorption value detection device.
Background
The iodine adsorption value of the coal-based active carbon required by the factory is about 1000mg/L, the actual adsorption value of the coal-based active carbon needs to be detected before use, and the specific detection steps are as follows: 1) taking out a proper amount of coal-based activated carbon, grinding the coal-based activated carbon to more than 90 percent of the coal-based activated carbon to pass through a test sieve of 0.075mm, uniformly mixing the sieved sample with the coal-based activated carbon, drying the mixture for 2 hours in an electrothermal constant-temperature drying oven at 105 +/-5 ℃, and cooling the dried mixture in a drying dish; 2) weighing three groups of dried samples into three dried conical bottles with plugs and ground openings respectively, transferring 10mL of 50% hydrochloric acid solution into each conical bottle by using a transfer pipette, plugging a glass plug, shaking the glass plug to soak the sample, then pulling out the plug, heating to slightly boil for 30s +/-2 s, and cooling to room temperature; 3) transferring 100mL of 0.1mol/L iodine standard solution by using a pipette, sequentially adding the iodine standard solution into the conical flask, immediately plugging a glass plug, violently shaking for 30s +/-1 s, quickly filtering the iodine standard solution into the dried conical flask with the plug and the ground opening by using filter paper, and then rinsing the pipette by using the filtrate; 4) measuring 50mL of each part of the uniformly mixed filtrate, placing the uniformly mixed filtrate in a 250mL conical flask, titrating by using 0.1mol/L sodium thiosulfate solution, adding 2mL of starch indicator when the solution is light yellow, titrating until blue color disappears, recording the volume of consumed sodium thiosulfate, calculating the iodine adsorption value of activated carbon according to the volume of consumed sodium thiosulfate and the concentration of the filtrate, and finally calculating the average value of three results.
The adsorption capacity of the activated carbon on any adsorbate is related to the concentration of the adsorbate in the solution; the concentration of iodine in the solution of the plant is 0.02mol/L, so the concentration of active carbon filtrate required during detection is in the range of 0.008 mol/L-0.040 mol/L, and the amount of the active carbon taken out needs to be accurately controlled when sampling the coal active carbon;
in order to improve the accuracy in detection and reduce the labor intensity of a laboratory technician, a coal activated carbon iodine adsorption value detection device is needed.
Disclosure of Invention
Based on this, the utility model aims to overcome the shortcoming and not enough among the prior art, provide a coal quality active carbon iodine adsorption value detection device.
A coal quality active carbon iodine adsorption value detection device comprises
The coal-based activated carbon storage tank is provided with an output port at the bottom;
the three first conical flasks are arranged below the coal-based activated carbon storage tank; the output port of the coal-based activated carbon storage tank is fixedly connected with three pipelines, and the output port of each pipeline is respectively arranged at the bottle mouth of each first conical bottle; each pipeline is provided with a powder flowmeter and a switch valve;
a vibration motor and a vibration plate; the vibration motor is connected with the vibration plate; three fixing grooves are formed in the vibrating plate; the three first conical flasks are arranged on the corresponding fixing grooves; through holes are respectively formed in the positions, corresponding to the bottoms of the first conical flasks, of the vibrating plates;
the ignition heads of the igniters are respectively arranged below the three through holes of the vibration plate;
the inlet of each of the three second conical bottles is provided with filter paper for filtering the solution in the first conical bottle; and
three third conical bottles for titrating the solution of the second conical bottle.
The coal quality active carbon iodine adsorption value detection device of the utility model changes the three sample masses of 1.0g, 1.1g and 1.2g which are originally weighed into 0.8g, 0.9g and 1.1g, so that the concentration of the filtrate is more accurately changed into a qualified range; the coal-based activated carbon in the coal-based activated carbon storage tank can be accurately and quantitatively sampled by arranging the powder flowmeter and the switch valve, so that the concentration of activated carbon filtrate is adjusted to be in a qualified range, and the detection accuracy of the iodine adsorption value of the coal-based activated carbon is further ensured; through setting up the vibration board, can cooperate the vibrating motor with the point firearm has realized to the even and heating process of shaking of first erlenmeyer flask.
Further, the first erlenmeyer flask has a capacity of 250 ml.
Further, the capacity of the second conical bottle is 250 ml.
And filtering the solution in the first conical flask into a second conical flask through filter paper to obtain a primary filtrate for titration.
Further, the third conical flask has a capacity of 250 ml.
The mixed filtrate is measured out by 50.00mL and placed in each third conical flask with the capacity of 250mL, and then titrated with 0.1mol/L sodium thiosulfate solution.
Further, the device also comprises an electric heating constant temperature drying box; the electric heating constant-temperature drying box is used for drying the coal-based activated carbon.
Through setting up electric heat constant temperature drying cabinet makes coal active carbon dry for 2 hours in 105 ℃ of a ship's worth 5 ℃ of electric heat constant temperature drying cabinet, takes out again and places the interior cooling of drying ware, can effectively dry coal active carbon, avoids it to have moisture to influence the test result.
Further, the device also comprises a controller; the controller is simultaneously electrically connected with the vibrating motor, the igniter and the electrothermal constant-temperature drying box.
Through setting up controller, accessible control the controller, and then control opening of vibrating motor, some firearm and electric heat constant temperature drying cabinet stops, has realized the semi-automatization that the iodine adsorption value of coal matter active carbon detected, has alleviateed labourer's intensity of labour.
For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of the device for detecting iodine adsorption value of coal-based activated carbon of the present invention.
In the figure: 10. a coal-based activated carbon storage tank; 11. a powder flow meter; 12. an on-off valve; 20. a first erlenmeyer flask; 30. a vibration motor; 40. a vibrating plate; 41. fixing grooves; 42. a through hole; 50. an igniter.
Detailed Description
Referring to fig. 1, the apparatus for detecting iodine adsorption value of coal-based activated carbon in this embodiment includes a storage tank 10 for coal-based activated carbon, three first erlenmeyer flasks 20, a vibration motor 30, a vibration plate 40, an igniter 50, three second erlenmeyer flasks (not shown), three third erlenmeyer flasks (not shown), an electrothermal constant temperature drying oven (not shown), and a controller (not shown);
the first erlenmeyer flask 20 has a capacity of 250 ml; the capacity of the second conical bottle is 250 ml; the third erlenmeyer flask had a capacity of 250 ml.
The bottom of the coal-based activated carbon storage tank 10 is provided with an output port;
the three first erlenmeyer flasks 20 are arranged below the coal-based activated carbon storage tank 10; the output port of the coal-based activated carbon storage tank 10 is fixedly connected with three pipelines, and the output port of each pipeline is respectively arranged at the bottle mouth of each first conical bottle 20; each pipeline is provided with a powder flowmeter 11 and a switch valve 12;
the vibration motor 30 is connected to the vibration plate 40; three fixing grooves 41 are arranged on the vibration plate 40; the three first erlenmeyer flasks 20 are disposed on the corresponding fixing grooves 41; the vibrating plate 40 is provided with through holes 42 corresponding to the bottoms of the first erlenmeyer flasks 20;
the ignition heads of the igniters 50 are respectively arranged below the three through holes 42 of the vibration plate 40;
filter paper is arranged at the inlets of the three second conical flasks and is used for filtering the solution in the first conical flask 20; the three third conical bottles are used for titrating the solution in the second conical bottles;
the electric heating constant-temperature drying box is used for drying the coal-based activated carbon;
the controller is simultaneously electrically connected with the vibration motor 30, the igniter 50 and the electrothermal constant-temperature drying box.
The detection process of this embodiment:
taking out about 10g of coal-based activated carbon sample from the sample by a quartering method, grinding the sample to be more than 90%, enabling the sample to pass through a test sieve with the thickness of 0.075mm, further screening the sample by the test sieve, uniformly mixing the sample with the sample, starting the electrothermal constant-temperature drying oven, drying the sample in a drying oven with the temperature of 105 +/-5 ℃ for 2 hours, taking out the sample, placing the dried sample in a drying dish, cooling the dried sample, and then placing the dried sample in the coal-based activated carbon storage tank 10;
further, the controller controls the corresponding powder flow meter 11 and the corresponding on-off valve 12, and further, 0.8g, 0.9g, and 1.1g of coal-based activated carbon samples are respectively put into the three first erlenmeyer flasks 20, 10mL of 50% hydrochloric acid solution is respectively moved into the first erlenmeyer flasks 20 by the pipette, glass stoppers are plugged at the bottle mouths of the first erlenmeyer flasks 20, and further, the controller controls the vibration motor 30 to drive the vibration plate 40 to vibrate, so that the sample of each first erlenmeyer flask 20 is soaked, the vibration is stopped, and the glass stoppers are removed; then, the asbestos net is padded at the bottom of each first conical flask 20, the controller controls the igniter 50 to start, each first conical flask 20 is heated to slightly boil for 30s +/-2 s, and then the temperature is cooled to the room temperature;
then, a pipette is used for transferring 100mL of 0.1mol/L iodine standard solution, the iodine standard solution is sequentially added into each first conical flask 20 in a staggered time mode, a glass plug is immediately plugged into the bottle mouth of each first conical flask 20, the vibration motor 30 is controlled through the controller to drive the vibration plate 40 to vibrate, and then each first conical flask 20 is violently shaken for 30s +/-1 s, so that the vibration is stopped, and the glass plug is pulled out; then rapidly filtering each first conical flask 20 into each second conical flask through filter paper, and rinsing the pipette with the filtered filtrate to remove the iodine standard solution;
and then measuring 50.00mL of three uniformly mixed filtrates, respectively placing the three uniformly mixed filtrates into each third conical bottle with the capacity of 250mL, further titrating by using 0.1mol/L sodium thiosulfate solution, adding 2mL of starch indicator when the solution is light yellow, further titrating until blue disappears, recording the volume of consumed sodium thiosulfate at the moment, calculating the iodine adsorption value of the activated carbon according to the volume of consumed sodium thiosulfate and the concentration of the filtrate, and finally calculating the average value of the three results.
Compared with the prior art, the utility model changes the three samples weighed originally into 0.8g, 0.9g and 1.1g by 1.0g, 1.1g and 1.2g, so as to more accurately change the concentration of the filtrate into the qualified range; the coal activated carbon in the coal activated carbon storage tank can be accurately and quantitatively sampled by arranging the powder flowmeter and the switch valve, so that the concentration of activated carbon filtrate is adjusted to be in a qualified range, and the detection accuracy of the iodine adsorption value of the coal activated carbon is further ensured; through setting up the vibration board, can cooperate vibrating motor and igniter to realize shaking even and the heating process to first erlenmeyer flask.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (6)
1. The utility model provides a coal quality active carbon iodine adsorption value detection device which characterized in that: comprises that
The coal-based activated carbon storage tank is provided with an output port at the bottom;
the three first conical flasks are arranged below the coal-based activated carbon storage tank; the output port of the coal-based activated carbon storage tank is fixedly connected with three pipelines, and the output port of each pipeline is respectively arranged at the bottle mouth of each first conical bottle; each pipeline is provided with a powder flowmeter and a switch valve;
a vibration motor and a vibration plate; the vibration motor is connected with the vibration plate; three fixing grooves are formed in the vibrating plate; the three first conical flasks are arranged on the corresponding fixing grooves; through holes are respectively formed in the positions, corresponding to the bottoms of the first conical flasks, of the vibrating plates;
the ignition heads of the igniters are respectively arranged below the three through holes of the vibration plate;
the inlet of each of the three second conical bottles is provided with filter paper for filtering the solution in the first conical bottle; and
three third conical bottles for titrating the solution of the second conical bottle.
2. The coal based activated carbon iodine adsorption value detection device as claimed in claim 1, wherein: the first erlenmeyer flask had a capacity of 250 ml.
3. The coal based activated carbon iodine adsorption value detection device as claimed in claim 2, wherein: the second conical flask had a capacity of 250 ml.
4. The coal based activated carbon iodine adsorption value detection device as claimed in claim 3, wherein: the third erlenmeyer flask had a capacity of 250 ml.
5. The coal based activated carbon iodine adsorption value detection device as claimed in claim 4, wherein: the electric heating constant temperature drying box is also included; the electric heating constant-temperature drying box is used for drying the coal-based activated carbon.
6. The coal based activated carbon iodine adsorption value detection device as claimed in claim 5, wherein: the device also comprises a controller; the controller is simultaneously electrically connected with the vibrating motor, the igniter and the electrothermal constant-temperature drying box.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922033740.6U CN211235710U (en) | 2019-11-22 | 2019-11-22 | Coal quality active carbon iodine adsorption value detection device |
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| CN201922033740.6U CN211235710U (en) | 2019-11-22 | 2019-11-22 | Coal quality active carbon iodine adsorption value detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607876A (en) * | 2021-07-26 | 2021-11-05 | 朝阳黑猫伍兴岐炭黑有限责任公司 | Titration apparatus and method for measuring carbon black iodine uptake value |
| CN117269091A (en) * | 2023-11-21 | 2023-12-22 | 河北化工医药职业技术学院 | System and method for rapidly measuring iodine value of activated carbon |
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2019
- 2019-11-22 CN CN201922033740.6U patent/CN211235710U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607876A (en) * | 2021-07-26 | 2021-11-05 | 朝阳黑猫伍兴岐炭黑有限责任公司 | Titration apparatus and method for measuring carbon black iodine uptake value |
| CN117269091A (en) * | 2023-11-21 | 2023-12-22 | 河北化工医药职业技术学院 | System and method for rapidly measuring iodine value of activated carbon |
| CN117269091B (en) * | 2023-11-21 | 2024-03-12 | 河北化工医药职业技术学院 | System and method for rapidly measuring iodine value of activated carbon |
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