Device for detecting moisture content of salazosulfapyridine

Abstract

The utility model discloses a salazosulfapyridine moisture content detection device which comprises a supporting base, a vacuum box shell is fixedly installed on the upper surface of the supporting base, a vacuum pump is fixedly installed on the upper surface of the vacuum box shell, a charging hopper is fixedly installed at the upper end of one side of the vacuum box shell, and a discharging hopper is fixedly installed at the lower end of the other side of the vacuum box shell. The bottom end of the charging hopper is fixedly provided with a first material leakage pipeline, and the bottom end of the first material leakage pipeline is fixedly provided with a second material leakage pipeline. The vacuum pump is arranged, so that the whole experiment process is carried out in a vacuum state, and dried powder is prevented from absorbing moisture in air; the vacuum experiment device has the advantages that the vacuum experiment device is simple in structure and easy to operate, the final result of the experiment is affected, the experiment result has large deviation especially in special weather such as southern days, and the vacuum experiment can avoid the situation, ensure the accuracy of the experiment and avoid the situation that the experiment is affected by impurities in the air in the experiment.

Description

Technical Field

[0001] This utility model relates to the field of moisture content detection, and in particular to a device for detecting the moisture content of sulfasalazine. Background Technology

[0002] Patent publication number CN 208254992 U provides a device for detecting the moisture content of sulfasalazine, including a weighing device, a base frame, and a sampling component; the base frame includes a base and a cup ring, the cup ring having a cup ring support column extending downwards, the cup ring support column being fixedly connected to the base; the base has a receiving opening.

[0003] However, the above method has the following shortcomings: dried sulfasalazine easily absorbs moisture from the air. In the humid climate of southern China, the large amount of moisture in the air will affect the experimental results. Furthermore, impurities in the air during drying may also affect the experimental data. When heating, a slightly high heating temperature will damage the sulfasalazine powder, while a temperature that is too low will prevent the center of the sulfasalazine powder from drying completely. In either case, it will affect the final experimental data.

[0004] Therefore, it is necessary to propose a new device for detecting the moisture content of sulfasalazine to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to provide a device for detecting the moisture content of sulfasalazine, in order to solve the problems of easy absorption of moisture from the air and difficulty in temperature control.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a sulfasalazine moisture content detection device, comprising a support base, a vacuum chamber shell fixedly mounted on the upper surface of the support base, a vacuum pump fixedly mounted on the upper surface of the vacuum chamber shell, a feeding funnel fixedly mounted on one upper side of the vacuum chamber shell, a first leakage pipe fixedly mounted on the bottom end of the feeding funnel, a second leakage pipe fixedly mounted on the bottom end of the first leakage pipe, a leakage tip fixedly mounted on the end of the second leakage pipe away from the first leakage pipe, a weighing device fixedly mounted in the middle of the upper surface of the support base, a measuring bracket fixedly mounted above the weighing device, and a measuring cup placed on the measuring bracket.

[0007] Preferably, a pressure relief pipe is fixedly installed on one side of the upper surface of the vacuum chamber shell, and an air extraction pipe is fixedly installed on the side of the upper surface of the vacuum chamber shell away from the pressure relief pipe. A second sealing valve is fixedly installed in the middle of the pressure relief pipe, and a third sealing valve is fixedly installed in the middle of the air extraction pipe. The end of the air extraction pipe away from the vacuum chamber shell is fixedly connected to the suction end of the vacuum pump. Both the pressure relief pipe and the air extraction pipe are connected to the interior of the vacuum chamber shell.

[0008] Preferably, a first sealing valve is fixedly installed in the middle of the first leakage pipe, and the tip of the leakage pipe is located above the measuring cup.

[0009] Preferably, a vacuum chamber door is rotatably installed on one side of the vacuum chamber shell, and a handle is fixedly installed on the vacuum chamber door. Two sealing and locking components are fixedly installed on the side of the vacuum chamber shell away from the loading funnel, and the sealing and locking components are used in conjunction with the vacuum chamber door.

[0010] Preferably, a digital display screen is fixedly installed on one side of the support base, and the digital display screen is connected to the weighing device via a circuit.

[0011] Preferably, a pressure gauge is fixedly installed on the air extraction pipe.

[0012] Preferably, the second leakage pipe is inclined, and the end of the second leakage pipe near the first leakage pipe is higher than the end of the second leakage pipe near the leakage tip. The second leakage pipe passes through one side of the vacuum chamber shell and extends to the top of the measuring cup. The leakage tip also has an inclined angle, and the inclined angle of the leakage tip is smaller than the inclined angle of the second leakage pipe.

[0013] The beneficial technical effects of this invention are as follows: By setting up a vacuum pump, the entire experimental process is carried out under vacuum, preventing the powder from absorbing moisture from the air after drying, which would affect the final experimental results. This is especially important in special weather conditions such as the humid spring in southern China, which can lead to significant deviations in experimental results. Using a vacuum experiment can avoid this situation, ensuring the accuracy of the experiment and preventing the experiment from being affected by impurities in the air. The device uses a vacuum drying method, which does not damage the raw materials. Moreover, the vacuum state allows the moisture in the sulfasalazine powder to evaporate completely, eliminating the possibility of evaporation failure in the center, resulting in more thorough evaporation and a higher evaporation rate, thus improving experimental efficiency and increasing the accuracy of experimental results. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of the moisture content detection device for sulfasalazine of this utility model from one perspective.

[0015] Figure 2This is a schematic diagram of the structure of the sulfasalazine moisture content detection device of this utility model from another perspective.

[0016] Figure 3 This is a schematic diagram of the connection structure of the material feeding funnel, the first material leakage pipe, and the first sealing valve in this utility model.

[0017] In the diagram: 1. Support base; 2. Vacuum chamber shell; 3. Vacuum pump; 4. Filling funnel; 5. Weighing device; 101. Digital display screen; 201. Vacuum chamber door; 202. Sealing and locking component; 203. Handle; 204. Pressure relief pipe; 205. Air extraction pipe; 401. First material leakage pipe; 402. First sealing valve; 403. Second material leakage pipe; 404. Material leakage tip; 501. Measuring bracket; 502. Measuring cup; 2041. Second sealing valve; 2051. Third sealing valve; 2052. Pressure gauge. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] like Figure 1-3 As shown, this utility model provides a device for detecting the moisture content of sulfasalazine, including a support base 1, a vacuum chamber shell 2 fixedly installed on the upper surface of the support base 1, a vacuum chamber door 201 rotatably installed on one side of the vacuum chamber shell 2, and a vacuum pump 3 fixedly installed on the upper surface of the vacuum chamber shell 2. The vacuum pump 3 is used to provide the vacuum degree required for measurement and to draw out the water vapor generated by evaporation under vacuum conditions, thereby removing the influence of humidity in the air on the experimental results.

[0020] A material filling funnel 4 is fixedly installed on the upper side of one side of the vacuum chamber shell 2. A first material leakage pipe 401 is fixedly installed at the bottom of the material filling funnel 4. A first sealing valve 402 is fixedly installed in the middle of the first material leakage pipe 401. A second material leakage pipe 403 is fixedly installed at the bottom of the first material leakage pipe 401. A material leakage tip 404 is fixedly installed at the end of the second material leakage pipe 403 away from the first material leakage pipe 401. When raw materials are added to the material filling funnel 4, the raw materials will slide into the measurement area along with the first material leakage pipe 401 and the second material leakage pipe 403.

[0021] A weighing device 5 is fixedly installed in the middle of the upper surface of the support base 1. A measuring bracket 501 is fixedly installed above the weighing device 5, and a measuring cup 502 is placed on the measuring bracket 501. The material leakage tip 404 is located above the measuring cup 502. A digital display screen 101 is fixedly installed on one side of the support base 1, and the digital display screen 101 is connected to the weighing device 5 through a circuit. After the raw material slides into the measuring cup 502, the weighing device 5 will measure the mass of sulfasalazine in real time and then feed the measured data back to the digital display screen 101. Before use, read the reading of the digital display screen 101 and record the reading as A. After the raw material has completely fallen into the measuring cup 502, record the reading of the digital display screen 101 after it stabilizes as B.

[0022] A pressure relief pipe 204 is fixedly installed on one side of the upper surface of the vacuum chamber shell 2. An air extraction pipe 205 is fixedly installed on the side of the upper surface of the vacuum chamber shell 2 away from the pressure relief pipe 204. A pressure gauge 2052 is fixedly installed on the air extraction pipe 205. A second sealing valve 2041 is fixedly installed in the middle of the pressure relief pipe 204. A third sealing valve 2051 is fixedly installed in the middle of the air extraction pipe 205. The end of the air extraction pipe 205 away from the vacuum chamber shell 2 is fixedly connected to the suction end of the vacuum pump 3. Both the pressure relief pipe 204 and the air extraction pipe 205 are connected to the interior of the vacuum chamber shell 2.

[0023] In actual use, take an appropriate amount of sulfasalazine powder with a spoon, then pour the sulfasalazine powder into the loading funnel 4. Wait until the sulfasalazine powder in the loading funnel 4, the first leakage pipe 401, and the second leakage pipe 403 has completely fallen into the measuring cup 502. Then close the first sealing valve 402, close the second sealing valve 2041, and open the third sealing valve 2051. Then control the vacuum pump 3 to turn on. Observe the reading of the pressure gauge 2052, which can be between 10-95 Pa. At this time, the inside of the vacuum chamber shell 2 is in a vacuum state. In the vacuum state, the moisture inside the sulfasalazine will evaporate rapidly to form water vapor and be extracted by the vacuum pump 3. When the reading on the digital display screen 101 stabilizes, record the reading as C.

[0024] Further, the initial weight of sulfasalazine was BA, and the weight of sulfasalazine after drying was CA. The weight of the water inside sulfasalazine was calculated to be BC, and the water content of sulfasalazine was calculated to be BA / BC. After the measurement calculation was completed, the vacuum pump 3 and the third sealing valve 2051 were turned off, and then the second sealing valve 2041 was slowly opened to restore the internal pressure of the vacuum chamber shell 2 to normal. The vacuum chamber door 201 was opened and the measuring cup 502 was taken out. The measuring cup 502 was washed and air-dried for the next use.

[0025] The second discharge pipe 403 is inclined. The end of the second discharge pipe 403 near the first discharge pipe 401 is higher than the end of the second discharge pipe 403 near the discharge tip 404. The second discharge pipe 403 passes through one side of the vacuum chamber shell 2 and extends to the top of the measuring cup 502. The discharge tip 404 also has an inclined angle, and the inclined angle of the discharge tip 404 is smaller than the inclined angle of the second discharge pipe 403. The inclination angle of the discharge tip 404 is smaller than the inclination angle of the second discharge pipe 403, so that the raw material powder will not fall too fast during the process, and prevent the sulfasalazine powder from flying and causing internal pollution of the device.

[0026] A handle 203 is fixedly installed on the vacuum chamber door 201. Two sealing locking parts 202 are fixedly installed on the side of the vacuum chamber shell 2 away from the loading funnel 4. The sealing locking parts 202 are used in conjunction with the vacuum chamber door 201 to seal the vacuum chamber door 201.

[0027] By setting up vacuum pump 3, the entire experiment is conducted under vacuum, preventing the powder from absorbing moisture from the air after drying, which would affect the final results. This is especially important in special weather conditions such as the humid spring season in southern China, which can cause significant deviations in the experimental results. Using a vacuum experiment can avoid this situation, ensure the accuracy of the experiment, and prevent the experiment from being affected by impurities in the air.

[0028] Traditional drying experiments often employ heating methods. Since the experimental subject is powder, excessively high temperatures during heating can cause rapid carbonization of some powder, damaging the raw material and altering its weight. This, in turn, affects the actual weight of the sulfasalazine powder, directly impacting the final data. Conversely, excessively low drying temperatures result in low or even non-drying efficiency for the sulfasalazine powder in the center, leading to incomplete moisture evaporation and inaccurate data. Therefore, this device utilizes vacuum drying, which avoids damage to the raw material. The vacuum environment allows for complete moisture evaporation of the sulfasalazine powder, eliminating the possibility of evaporation failure in the center. This results in more thorough evaporation at a higher rate, improving experimental efficiency and increasing the accuracy of the results.

Claims

1. A sulfasalazine moisture content detection device, characterized in that: The invention comprises a support base (1), a vacuum box shell (2) is fixedly mounted on the upper surface of the support base (1), a vacuum pump (3) is fixedly mounted on the upper surface of the vacuum box shell (2), a charging funnel (4) is fixedly mounted on the upper end of one side of the vacuum box shell (2), a first leakage pipe (401) is fixedly mounted on the bottom end of the charging funnel (4), a second leakage pipe (403) is fixedly mounted on the bottom end of the first leakage pipe (401), a leakage tip (404) is fixedly mounted on the end of the second leakage pipe (403) away from the first leakage pipe (401), a weighing device (5) is fixedly mounted on the middle part of the upper surface of the support base (1), a measuring bracket (501) is fixedly mounted above the weighing device (5), and a measuring cup (502) is placed on the measuring bracket (501).

2. The sulfasalazine moisture content detection device according to claim 1, characterized in that: A pressure relief pipe (204) is fixedly mounted on one side of the upper surface of the vacuum box shell (2); an exhaust pipe (205) is fixedly mounted on the side of the upper surface of the vacuum box shell (2) away from the pressure relief pipe (204); a second sealing valve (2041) is fixedly mounted in the middle of the pressure relief pipe (204); a third sealing valve (2051) is fixedly mounted in the middle of the exhaust pipe (205); one end of the exhaust pipe (205) away from the vacuum box shell (2) is fixedly connected to the suction end of the vacuum pump (3); and the pressure relief pipe (204) and the exhaust pipe (205) are both in communication with the interior of the vacuum box shell (2).

3. The sulfasalazine moisture content detection device according to claim 1, characterized in that: A first sealing valve (402) is fixedly installed in the middle of the first leakage pipe (401), and the leakage tip (404) is located above the measuring cup body (502).

4. The sulfasalazine moisture content detection device according to claim 1, characterized in that: A vacuum box door (201) is rotatably mounted on one side of the vacuum box shell (2), a handle (203) is fixedly mounted on the vacuum box door (201), and two sealing locking members (202) are fixedly mounted on a side of the vacuum box shell (2) away from the charging hopper (4), the sealing locking members (202) being used in conjunction with the vacuum box door (201).

5. The sulfasalazine moisture content detection device according to claim 1, characterized in that: A digital display screen (101) is fixedly mounted on one side of the support base (1), and the digital display screen (101) is connected to the weighing device (5) via a line.

6. The sulfasalazine moisture content detection device according to claim 2, characterized in that: A pressure gauge (2052) is fixedly installed on the air extraction pipeline (205).

7. The sulfasalazine moisture content detection device according to claim 1, characterized in that: The second leakage pipe (403) is arranged to be inclined, and an end of the second leakage pipe (403) close to the first leakage pipe (401) is higher than an end of the second leakage pipe (403) close to the leakage tip (404). The second leakage pipe (403) passes through one side of the vacuum box shell (2) and extends to the top of the measuring cup body (502). The leakage tip (404) also has an inclined angle, and the inclined angle of the leakage tip (404) is smaller than the inclined angle of the second leakage pipe (403).

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