Real-time measurement device for adsorption capacity of adsorbent on different VOC gases

Abstract

The invention relates to a real-time measuring device, in particular to a real-time measuring device for different VOC gas adsorption capacities of an adsorbent, which comprises a moving mechanism and a measuring mechanism, the measuring mechanism comprises a sealing box and a tray, an adsorbent sample is placed in the sealing box, the lower surface of the tray is fixedly connected with a rigid rod, and the rigid rod is fixedly connected with the moving mechanism. A weighing sensor is fixedly mounted at the lower end of the rigid rod, an adsorbent sample adsorbs different VOC gases, the weighing sensor can measure the weight increase of an adsorbent in real time and display the weight increase as a curve on a screen, so that measurement is completed, four groups of sealing boxes and trays are arranged, and the adsorption quantities of four different VOC gases can be measured in real time at the same time; the exhaust mechanism comprises an exhaust bin, the exhaust mechanism is located under the measuring mechanism, the upper end of the rigid rod penetrates through the interior of the exhaust mechanism and extends into the sealing box, and when the measuring mechanism conducts measurement, part of gas is leaked in the exhaust bin to be stored and can be discharged indoors after being treated.

Description

Technical Field

[0001] The invention relates to a real-time measuring device, in particular to a real-time measuring device for the adsorption amount of different VOC gases by an adsorbent. Background Art

[0002] Adsorption rate and adsorption capacity are important indicators of adsorbent performance. For gas adsorption, temperature and pressure directly affect the vapor pressure of the gas during the adsorption process, making real-time measurement of the adsorption amount very challenging. When we were studying the VOC treatment process, we invented this device for the adsorption of different VOC components by adsorbents. The device can be used for simultaneous adsorption measurement of one gas or each component of multiple gases, and real-time digital display.

[0003] In the prior art, the measurement of gas adsorption by adsorbents is mostly done by flow calculation, which places very high demands on flow sensor elements. If adsorption measurement is performed on multiple gases, multi-channel flow sensors and test elements are required, which are costly and have errors in the process of converting flow into adsorption. A real-time measurement device for the adsorption of different VOC gases by adsorbents is now proposed. Summary of the invention

[0004] The main purpose of the present invention is to provide a real-time measurement device for the adsorption amount of different VOC gases by an adsorbent to solve the above-mentioned problem.

[0005] In order to achieve the above-mentioned object, according to one aspect of the present invention, there is provided a real-time measurement device for the adsorption amount of different VOC gases by an adsorbent, comprising a moving mechanism, the moving mechanism being used to move the entire device laterally and longitudinally, and also comprising;

[0006] The measuring mechanism includes a sealed box and a tray. An adsorbent sample is placed inside the sealed box. A rigid rod is fixedly connected to the lower surface of the tray. A weighing sensor is fixedly installed at the lower end of the rigid rod. The adsorbent sample adsorbs different VOC gases. The weighing sensor can measure the weight increase of the adsorbent in real time and display it as a curve on the screen to complete the measurement. The sealed box and the tray are both set in four groups, and the adsorption amounts of four different VOC gases can be measured in real time at the same time.

[0007] An exhaust mechanism, wherein the exhaust mechanism includes an exhaust chamber, and the exhaust mechanism is located directly below the measuring mechanism. The upper end of the rigid rod passes through the interior of the exhaust mechanism and extends to the interior of the sealed box. When the measuring mechanism is measuring, part of the gas leaks and is stored in the exhaust chamber, and can be discharged into the room after being processed;

[0008] An air purification mechanism, the air purification mechanism includes a spray chamber and an adsorption chamber, the spray chamber is provided with a plurality of nozzles to spray impurities in the gas so that some impurities can be processed, and the adsorption chamber is provided with a plurality of adsorption plates to adsorb tiny impurities in the rising gas to achieve a secondary treatment effect;

[0009] The sewage treatment mechanism comprises a stirring blade, and the stirring blade stirs the agent put into the sewage treatment mechanism, so that the sewage after spraying can be treated and recycled.

[0010] Furthermore, the measuring mechanism preferably includes a second fixed plate, four groups of water bath cups are fixedly installed on the surface of the second fixed plate, a bubbling bottle is fixedly installed inside each of the water bath cups, an air pipe is fixedly connected to the surface of the bubbling bottle, the other end of the air pipe is fixedly connected to the inside of a sealing box, and a sealing cover is hinged on the surface of the sealing box.

[0011] Furthermore, the exhaust mechanism also includes a first fixed plate, an exhaust bin is fixedly mounted on the surface of the first fixed plate, a plurality of exhaust fans are fixedly mounted on the surface of the exhaust bin, and an exhaust pipe is fixedly mounted inside the surface of the exhaust bin.

[0012] Furthermore, the air purification mechanism also includes a power mechanism, the power structure includes a servo motor, the output end of the servo motor is transmission-connected to a transmission rod, a fixed block is fixedly installed on the surface of the transmission rod, a plurality of connecting rods are fixedly installed on the surface of the fixed block, the end of the connecting rod is fixedly connected to the surface of the adsorption plate, a water storage pipe is fixedly installed on the surface of the transmission rod, a plurality of diversion pipes are fixedly connected inside the water storage pipe, and a plurality of nozzles are fixedly installed on the bottom of the diversion pipe.

[0013] Furthermore, the spray bin is located below the adsorption bin, the other end of the exhaust pipe is fixedly connected to the inside of the spray bin, a filter plate is fixedly installed between the spray bin and the adsorption bin, an air flow reduction plate is fixedly installed on the lower surface of the filter plate, and an air outlet is fixedly installed above the adsorption bin.

[0014] Furthermore, the sewage treatment mechanism also includes a rotating bracket, the stirring plate is fixedly mounted on the surface of the rotating bracket, a water pump is fixedly mounted on the surface of the sewage treatment mechanism, two groups of hoses are fixedly connected inside the water pump, one group of the hoses is fixedly connected inside the water storage pipe, and the other group of the hoses is fixedly connected inside the sewage treatment mechanism.

[0015] Furthermore, a driven sprocket is fixedly mounted on the end of the rotating bracket, a driving sprocket is fixedly mounted on the surface of the transmission rod, and a chain is meshed between the driving sprocket and the surface of the driven sprocket.

[0016] Furthermore, the moving mechanism also includes two groups of symmetrical mounting plates, one group of symmetrical mounting plates is located above the other group of symmetrical mounting plates, the two groups of symmetrical mounting plates are distributed in a cross shape, and the surface of one group of symmetrical mounting plates is slidably connected with four groups of sliders, and the four groups of weighing sensors are fixedly installed on the surfaces of the four groups of sliders.

[0017] Furthermore, one group of the mounting plates is rotatably connected to a screw rod, the slider is threadedly connected to the surface of the screw rod, one group of the mounting plates is fixedly installed with two groups of guide rods, the slider is slidably connected to the surface of the guide rod, and one end of the screw rod passes through one side of the mounting plate and is fixedly installed with a handle.

[0018] Furthermore, a water pipe is fixedly connected between the air purification mechanism and the sewage treatment mechanism, and a water inlet is fixedly installed on the surface of the sewage treatment mechanism.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] 1. A weighing sensor is set to directly measure the real-time adsorption amount of the adsorbent. The adsorption amount is accurate and does not need to be converted through flow rate, thus avoiding errors in this process. It does not require accurate measurement of the flow rate and has a low cost. Four sets of sealing boxes are set up. By controlling the temperature and flow rate of each component gas, the adsorption amount of different gases can be accurately controlled. An exhaust device is added so that the volatile VOC can be discharged in time to avoid affecting the accuracy of the weighing element and avoiding pollution to the indoor air. A water bath cup is set up to avoid the room temperature being too high or too low, which will cause obvious changes in vapor pressure during the VOC transmission process.

[0021] 2. An air purification mechanism is set up to treat impurities in the gas through spraying and adsorption. The sewage after spraying is transported to the sewage treatment mechanism through a water pipe, and chemicals are added to the sewage. The sewage is purified after stirring and then transported back to the nozzle through a water pump, thereby reusing water resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0023] Figure 2 It is a schematic diagram of the cross-sectional structure of the present invention;

[0024] Figure 3 It is a schematic diagram of the structure of the air purification mechanism and the sewage treatment mechanism of the present invention;

[0025] Figure 4 This is an enlarged schematic diagram of the structure at A of the present invention;

[0026] Figure 5 It is an enlarged schematic diagram of the structure at B of the present invention;

[0027] Figure 6 It is an enlarged schematic diagram of the structure at position C of the present invention.

[0028] Illustration: 1. Moving mechanism; 11. Mounting plate; 12. Slider; 13. Weighing sensor; 14. Screw rod; 15. Guide rod; 16. Handle; 2. Exhaust mechanism; 21. First fixed plate; 22. Exhaust chamber; 23. Exhaust fan; 24. Exhaust pipe; 3. Measuring mechanism; 31. Second fixed plate; 32. Water bath cup; 33. Bubble bottle; 34. Sealing box; 35. Air pipe; 36. Tray; 37. Rigid rod; 38. Sealing cover; 4. Air purifier mechanism; 41. nozzle; 42. adsorption plate; 43. servo motor; 44. transmission rod; 45. fixed block; 46. connecting rod; 47. water storage pipe; 48. diversion pipe; 49. filter plate; 401. air flow reduction plate; 402. air outlet; 403. driving sprocket; 404. water pipe; 5. sewage treatment mechanism; 51. stirring blade; 52. rotating bracket; 53. driven sprocket; 54. chain; 55. delivery port; 56. water pump; 57. hose. DETAILED DESCRIPTION

[0029] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the specific implementation mode, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0030] See also Figures 1 to 6 , provided in one embodiment of the present invention, is a real-time measurement device for the adsorption amount of different VOC gases by an adsorbent, comprising a moving mechanism 1, the moving mechanism 1 is used to move the entire device horizontally and vertically, and also includes;

[0031] The measuring mechanism 3 includes a sealed box 34 and a tray 36. An adsorbent sample is placed inside the sealed box 34. A rigid rod 37 is fixedly connected to the lower surface of the tray 36. A weighing sensor 13 is fixedly installed at the lower end of the rigid rod 37. The adsorbent sample adsorbs different VOC gases. The weighing sensor 13 can measure the weight increase of the adsorbent in real time and display it as a curve on the screen, thereby completing the measurement. The sealed box 34 and the tray 36 are both set to four groups, which can simultaneously measure the adsorption amounts of four different VOC gases in real time, and the test results are displayed through the curves on the screen;

[0032] The exhaust mechanism 2 includes an exhaust chamber 22. The exhaust mechanism 2 is located directly below the measuring mechanism 3. The upper end of the rigid rod 37 penetrates the interior of the exhaust mechanism 2 and extends to the interior of the sealing box 34. When the measuring mechanism 3 is measuring, part of the gas leaks and is stored in the exhaust chamber 22, and can be discharged into the room after being processed.

[0033] The air purification mechanism 4 includes a spray chamber and an adsorption chamber. A plurality of nozzles 41 are arranged inside the spray chamber to spray impurities in the gas so that some impurities can be processed. A plurality of adsorption plates 42 are arranged inside the adsorption chamber to adsorb tiny impurities in the rising gas to achieve a secondary treatment effect.

[0034] The sewage treatment mechanism 5 includes a stirring blade 51. The stirring blade 51 stirs the reagent put into the sewage treatment mechanism 5, so that the sewage after spraying can be treated and recycled.

[0035] Specifically, the measuring mechanism 3 preferably includes a second fixed plate 31, four groups of water bath cups 32 are fixedly installed on the surface of the second fixed plate 31, a bubbling bottle 33 is fixedly installed inside each water bath cup 32, an air supply pipe 35 is fixedly connected to the surface of the bubbling bottle 33, the other end of the air supply pipe 35 is fixedly connected to the inside of a sealing box 34, and a sealing cover 38 is hinged on the surface of the sealing box 34.

[0036] In the embodiment of the present invention, the water bath cup 32 is provided to prevent the room temperature from being too high or too low, which would cause a significant change in vapor pressure during VOC transmission. The gas pipe 35 is provided to transport the gas inside the bubbling bottle 33 to the inside of the sealing box 34 for measurement.

[0037] Specifically, the exhaust mechanism 2 also includes a first fixed plate 21 , an exhaust bin 22 is fixedly mounted on the surface of the first fixed plate 21 , a plurality of exhaust fans 23 are fixedly mounted on the surface of the exhaust bin 22 , and an exhaust pipe 24 is fixedly mounted inside the surface of the exhaust bin 22 .

[0038] In the embodiment of the present invention, the exhaust fan 23 exhausts the gas, and the exhaust chamber 22 collects the leaked gas.

[0039] Specifically, the air purification mechanism 4 also includes a power mechanism, and the power structure includes a servo motor 43. The output end of the servo motor 43 is transmission-connected to a transmission rod 44. A fixed block 45 is fixedly installed on the surface of the transmission rod 44. A plurality of connecting rods 46 are fixedly installed on the surface of the fixed block 45. The end of the connecting rod 46 is fixedly connected to the surface of the adsorption plate 42. A water storage pipe 47 is fixedly installed on the surface of the transmission rod 44. A plurality of shunt pipes 48 are fixedly connected inside the water storage pipe 47. A plurality of nozzles 41 are fixedly installed at the bottom of the shunt pipe 48.

[0040] In the embodiment of the present invention, the transmission rod 44 and the servo motor 43 are arranged so that the nozzle 41 and the adsorption plate 42 can rotate, thereby processing impurities in the gas in a wider range.

[0041] Specifically, the spray bin is located below the adsorption bin, the other end of the exhaust pipe 24 is fixedly connected to the inside of the spray bin, a filter plate 49 is fixedly installed between the spray bin and the adsorption bin, an air flow reduction plate 401 is fixedly installed on the lower surface of the filter plate 49, and an air outlet 402 is fixedly installed above the adsorption bin.

[0042] In the embodiment of the present invention, the filter plate 49 can filter the gas, and the air flow deceleration plate 401 slows down the rising speed of the gas, thereby increasing the filtering time and improving the filtering effect.

[0043] Specifically, the sewage treatment mechanism 5 also includes a rotating bracket 52, a stirring blade 51 is fixedly mounted on the surface of the rotating bracket 52, a water pump 56 is fixedly mounted on the surface of the sewage treatment mechanism 5, and two groups of hoses 57 are fixedly connected inside the water pump 56, one group of hoses 57 is fixedly connected inside the water storage pipe 47, and the other group of hoses 57 is fixedly connected inside the sewage treatment mechanism 5.

[0044] In the embodiment of the present invention, the stirring blade 51 fully stirs the sewage and the reagent to purify the sewage, and the water pump 56 transports the purified sewage back to the inside of the diversion pipe 48 for spraying.

[0045] Specifically, a driven sprocket 53 is fixedly mounted on the end of the rotating bracket 52 , a driving sprocket 403 is fixedly mounted on the surface of the transmission rod 44 , and a chain 54 is meshed between the driving sprocket 403 and the surface of the driven sprocket 53 .

[0046] In the embodiment of the present invention, the chain 54 is meshed with the driving sprocket 403 and the driven sprocket 53 , so that the rotating bracket 52 is driven to rotate when the transmission rod 44 rotates.

[0047] Specifically, the mobile mechanism 1 also includes two groups of symmetrical mounting plates 11, one group of symmetrical mounting plates 11 is located above the other group of symmetrical mounting plates 11, the two groups of symmetrical mounting plates 11 are distributed in a cross shape, and four groups of sliders 12 are slidably connected to the surface of one group of symmetrical mounting plates 11, and four groups of weighing sensors 13 are fixedly installed on the surface of the four groups of sliders 12.

[0048] In the embodiment of the present invention, the position of the entire device can be adjusted by setting the moving mechanism 1.

[0049] Specifically, a set of mounting plates 11 are rotatably connected to a screw rod 14, a slider 12 is threadedly connected to the surface of the screw rod 14, two sets of guide rods 15 are fixedly installed inside a set of mounting plates 11, the slider 12 is slidably connected to the surface of the guide rod 15, and one end of the screw rod 14 passes through one side of the mounting plate 11 and is fixedly installed with a handle 16.

[0050] In the embodiment of the present invention, the screw rod 14 rotates and cooperates with the guide rod 15 to make the device more stable when moving.

[0051] Specifically, a water pipe 404 is fixedly connected between the air purification mechanism 4 and the sewage treatment mechanism 5 , and a delivery port 55 is fixedly installed on the surface of the sewage treatment mechanism 5 .

[0052] In the embodiment of the present invention, the water pipe 404 is used to transport sewage to the interior of the sewage treatment mechanism 5, and the delivery port 55 is used for delivering the agent.

[0053] When in use, the adsorbent sample is placed in the tray 36. After the dynamic adsorption experiment begins, the organic reagent controlled by the water bath temperature bubbling VOC gas in the bubbling bottle 33, and then the flow rate is controlled by the flow meter, and finally passed into the sealed box 34 with the adsorbent sample. The weighing sensor 13 can measure in real time the weight change of the adsorbent after adsorbing VOC, so as to measure the real-time adsorption amount. During the measurement process, a temperature control device is installed in the upper device box to make the vapor transmission temperature of VOC more stable, thereby realizing accurate control of the partial pressure. In addition, a small amount of volatilized VOCs during the experiment enters the middle exhaust bin 22 and is discharged by connecting the exhaust device.

[0054] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A real-time measuring device for the adsorption of different VOC gases by an adsorbent, comprising a moving mechanism (1), characterized in that: The moving mechanism (1) is used to move the entire device horizontally and vertically, and also includes: A measuring mechanism (3), wherein the measuring mechanism (3) comprises a sealed box (34) and a tray (36), wherein an adsorbent sample is placed inside the sealed box (34), a rigid rod (37) is fixedly connected to the lower surface of the tray (36), and a weighing sensor (13) is fixedly installed at the lower end of the rigid rod (37), the adsorbent sample adsorbs different VOC gases, and the weighing sensor (13) can measure the weight increase of the adsorbent in real time and display it as a curve on the screen, thereby completing the measurement, the sealed box (34) and the tray (36) are both arranged in four groups, and can simultaneously perform real-time measurement on the adsorption amounts of four different VOC gases, and the test results are displayed through the curves on the screen; An exhaust mechanism (2), the exhaust mechanism (2) comprising an exhaust chamber (22), the exhaust mechanism (2) being located directly below the measuring mechanism (3), the upper end of the rigid rod (37) penetrating the interior of the exhaust mechanism (2) and extending to the interior of the sealing box (34), when the measuring mechanism (3) is measuring, part of the gas leaks and is stored in the exhaust chamber (22), and can be discharged into the room after being processed; An air purification mechanism (4), the air purification mechanism (4) comprising a spray chamber and an adsorption chamber, the spray chamber is provided with a plurality of nozzles (41) for spraying impurities in the gas so that some of the impurities can be processed, the adsorption chamber is provided with a plurality of adsorption plates (42) for adsorbing tiny impurities in the gas after the gas rises, so as to achieve a secondary processing effect; A sewage treatment mechanism (5), wherein the sewage treatment mechanism (5) comprises a stirring blade (51), wherein the stirring blade (51) stirs the agent introduced into the sewage treatment mechanism (5), thereby treating the sewage after spraying and making it recyclable.

2. The real-time measurement device for the adsorption of different VOC gases by an adsorbent according to claim 1, characterized in that: The measuring mechanism (3) preferably includes a second fixing plate (31), four groups of water bath cups (32) are fixedly mounted on the surface of the second fixing plate (31), a bubbling bottle (33) is fixedly mounted inside each of the water bath cups (32), an air supply pipe (35) is fixedly connected to the surface of the bubbling bottle (33), the other end of the air supply pipe (35) is fixedly connected to the inside of a sealing box (34), and a sealing cover (38) is hinged on the surface of the sealing box (34).

3. The real-time measurement device for the adsorption of different VOC gases by an adsorbent according to claim 1, characterized in that: The exhaust mechanism (2) further comprises a first fixed plate (21), an exhaust bin (22) being fixedly mounted on the surface of the first fixed plate (21), a plurality of exhaust fans (23) being fixedly mounted on the surface of the exhaust bin (22), and an exhaust pipe (24) being fixedly mounted inside the surface of the exhaust bin (22).

4. The real-time measurement device for the adsorption of different VOC gases by an adsorbent according to claim 1, characterized in that: The air purification mechanism (4) also includes a power mechanism, the power structure includes a servo motor (43), the output end of the servo motor (43) is connected to a transmission rod (44), a fixed block (45) is fixedly mounted on the surface of the transmission rod (44), a plurality of connecting rods (46) are fixedly mounted on the surface of the fixed block (45), the end of the connecting rod (46) is fixedly connected to the surface of the adsorption plate (42), a water storage pipe (47) is fixedly mounted on the surface of the transmission rod (44), a plurality of shunt pipes (48) are fixedly connected inside the water storage pipe (47), and a plurality of nozzles (41) are fixedly mounted on the bottom of the shunt pipe (48).

5. The real-time measurement device for the adsorption of different VOC gases by an adsorbent according to claim 3, characterized in that: The spray bin is located below the adsorption bin, the other end of the exhaust pipe (24) is fixedly connected to the inside of the spray bin, a filter plate (49) is fixedly installed between the spray bin and the adsorption bin, an air flow reduction plate (401) is fixedly installed on the lower surface of the filter plate (49), and an air outlet (402) is fixedly installed above the adsorption bin.

6. The real-time measurement device for the adsorption of different VOC gases by an adsorbent according to claim 4, characterized in that: The sewage treatment mechanism (5) further comprises a rotating bracket (52), the stirring blade (51) being fixedly mounted on the surface of the rotating bracket (52), a water pump (56) being fixedly mounted on the surface of the sewage treatment mechanism (5), two groups of hoses (57) being fixedly connected inside the water pump (56), one group of the hoses (57) being fixedly connected inside the water storage pipe (47), and the other group of the hoses (57) being fixedly connected inside the sewage treatment mechanism (5).

7. The real-time measurement device for the adsorption of different VOC gases by an adsorbent according to claim 6, characterized in that: A driven sprocket (53) is fixedly mounted on the end of the rotating bracket (52), a driving sprocket (403) is fixedly mounted on the surface of the transmission rod (44), and a chain (54) is meshed between the surfaces of the driving sprocket (403) and the driven sprocket (53).

8. The real-time measurement device for the adsorption of different VOC gases by an adsorbent according to claim 1, characterized in that: The moving mechanism (1) also includes two groups of symmetrical mounting plates (11), one group of symmetrical mounting plates (11) is located above the other group of symmetrical mounting plates (11), the two groups of symmetrical mounting plates (11) are distributed in a cross shape, and the surface of one group of symmetrical mounting plates (11) is slidably connected to four groups of sliders (12), and the four groups of weighing sensors (13) are fixedly mounted on the surfaces of the four groups of sliders (12).

9. The real-time measurement device for the adsorption of different VOC gases by an adsorbent according to claim 8, characterized in that: A screw rod (14) is rotatably connected inside one of the mounting plates (11), the slider (12) is threadedly connected to the surface of the screw rod (14), two groups of guide rods (15) are fixedly installed inside one of the mounting plates (11), the slider (12) is slidably connected to the surface of the guide rod (15), and one end of the screw rod (14) passes through one side of the mounting plate (11) and is fixedly installed with a handle (16).

10. The real-time measurement device for the adsorption of different VOC gases by an adsorbent according to claim 1, characterized in that: A water pipe (404) is fixedly connected between the air purification mechanism (4) and the sewage treatment mechanism (5), and a discharge port (55) is fixedly installed on the surface of the sewage treatment mechanism (5).

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