Dissolving device for chemical analysis

Abstract

The utility model relates to the field of dissolving devices, and discloses a dissolving device for chemical analysis, which comprises a box body, a control panel is arranged at the center of the front end surface of the box body, a cold and hot box is arranged at the center of one side of the box body, a material receiving box is arranged at the lower end of the box body, and a stirring and dissolving module is arranged at the center in the box body. A temperature control module is arranged in the center of the interior of the cold and hot box, detection alarm modules are arranged on the rear portion of one side of the upper end face of the box body and on one side of the rear inner wall of the box body, a feeding hopper is arranged in the center of the upper end face of the box body, and a partition plate is arranged in the center of the interior of the cold and hot box. According to the utility model, through the combination of the motor, the stirring rod, the stirring blades and the filter screen and the rotary stirring of the stirring rod and the stirring blades, the effects of fully mixing and stirring dissolved materials are realized, and meanwhile, the dissolved materials are filtered through the filter screen, so that the purity and the quality of a dissolved solution are ensured, and the stirring effect and the purity of the dissolved solution are improved.

Description

Technical Field

[0001] The utility model relates to the field of dissolving devices, in particular to a dissolving device for chemical analysis. Background Art

[0002] The dissolution apparatus for chemical analysis is a common experimental equipment, which is mainly used to completely dissolve solid samples in solvents for subsequent analysis and testing. It is used to test and evaluate the release characteristics and solubility of solid drugs. It can simulate the dissolution process of drugs in the human body and provide important data on drug dissolution rate and release behavior.

[0003] Since traditional dissolution devices for chemical analysis cannot fully mix and stir solid drugs and dissolution media, problems such as slow and uneven dissolution rate may occur. Without filtering or other treatments, some impurities and particles may exist in the dissolution liquid, affecting the purity and quality of the dissolution liquid and causing large errors. Therefore, a technical personnel in this field provides a dissolution device for chemical analysis to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art, and a dissolving device for chemical analysis is proposed. Through the combination of a motor, a stirring rod, a stirring blade and a filter screen, the stirring rod and the stirring blade are rotated and stirred to achieve a full mixing and stirring effect of the dissolved material. At the same time, the dissolved material is filtered through the filter screen to ensure the purity and quality of the dissolved liquid, thereby improving the stirring effect and the purity of the dissolved liquid. By adopting components such as a compressor, a condenser, a liquid storage, an evaporator, a circulating pump, a hot air blower, a heat transfer pipe, a cold air blower and a cold transfer pipe, a compressor is used to convert low-temperature and low-pressure gas into high-temperature and high-pressure gas, and the high-temperature and high-pressure gas is circulated. The pump circulates heat to achieve precise control and regulation of the temperature during the dissolution process. At the same time, the hot air blower and the cold air blower send hot air and cold air into the box through the heat transfer pipe and the cold transfer pipe to further regulate the temperature of the box and improve the quality and stability of the product. By adopting a combination of temperature detector, transmission module and buzzer, the temperature detector senses the temperature change in the environment and transmits the data to the transmission module. When the temperature exceeds the set threshold or the temperature is abnormal, the transmission module will trigger the buzzer to send an alarm signal to remind the operator to pay attention and take corresponding measures. The temperature is monitored in real time and an alarm signal is sent to improve the safety and reliability of the system.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dissolving device for chemical analysis, comprising a box, a control panel is provided at the center of the front end face of the box, a hot and cold box is provided at the center of one side of the box, a material receiving box is provided at the lower end of the box, a stirring and dissolving module is provided at the center of the interior of the box, a temperature control module is provided at the center of the hot and cold box, a detection alarm module is provided at the rear of one side of the upper end face of the box and at one side of the rear inner wall of the box, a feed hopper is provided at the center of the upper end face of the box, a partition is provided at the center of the hot and cold box, and a material discharge solenoid valve is provided at the center of the lower end face of the box;

[0006] Through the above technical scheme, through the combination of the motor, the stirring rod, the stirring blade and the filter, the stirring rod and the stirring blade are rotated and stirred to achieve the full mixing and stirring effect of the dissolved material, and the dissolved material is filtered through the filter to ensure the purity and quality of the dissolved liquid, thereby improving the stirring effect and the purity of the dissolved liquid. By using components such as a compressor, a condenser, a liquid storage device, an evaporator, a circulating pump, a hot air blower, a heat transfer pipe, a cold air blower and a cold transfer pipe, the low-temperature and low-pressure gas is converted into a high-temperature and high-pressure gas through the compressor, and the circulating pump is used for circulating heat supply to achieve precise control and regulation of the temperature during the dissolution process. At the same time, the hot air blower and the cold air blower send hot air and cold air into the box through the heat transfer pipe and the cold transfer pipe to further adjust the temperature of the box, thereby improving the quality and stability of the product. By using a combination of a temperature detector, a transmission module and a buzzer, the temperature detector senses the temperature change in the environment and transmits the data to the transmission module. When the temperature exceeds the set threshold or the temperature is abnormal, the transmission module triggers the buzzer to send an alarm signal to remind the operator to pay attention and take corresponding measures, monitor the temperature in real time and send an alarm signal, thereby improving the safety and reliability of the system.

[0007] Furthermore, the stirring and dissolving module includes four motors, four stirring rods, a plurality of stirring blades and two filter screens, the four motors are arranged in a rectangular shape at the center of one side wall of the box body, the two filter screens are arranged up and down at the center of the inside of the box body, the four motor output ends respectively penetrate the one side wall of the box body to the inside of the box body, the four stirring rods are respectively arranged on the four motor output ends, and the plurality of stirring blades are respectively arranged in a circular shape and transversely arranged on the outer side walls of the four stirring rods;

[0008] Through the above technical solution, during the dissolution process, the four motors drive the stirring rod to rotate so that the stirring blades mix the dissolved materials evenly. The stirring rod is connected to the motor and can transmit the power of the motor to the stirring blades, thereby achieving sufficient stirring and mixing of the dissolved materials. At the same time, the setting of two filters can filter the dissolved materials to ensure the purity and quality of the dissolved liquid, thereby effectively improving the stirring effect during the dissolution process and the purity of the dissolved liquid.

[0009] Furthermore, the temperature control module includes a compressor, a condenser, a liquid reservoir, an evaporator, a circulation pump, two hot air blowers, two heat transfer pipes, two cold air blowers and two cold transfer pipes. The compressor is arranged at the center of the lower inner wall of the hot and cold box, the condenser is arranged on the compressor output end, the condenser output end passes through the lower end surface of the partition to the upper end of the partition, the liquid reservoir is arranged on the condenser output end, the evaporator is arranged on the liquid reservoir output end, the circulation pump is arranged on the evaporator output end, the circulation pump output end passes through the upper end surface of the partition to the lower end of the partition, and The end is fixedly connected to the input end of the compressor, the two hot air blowers are arranged front and back at the lower center of the inner wall of the hot and cold box, the two heat transfer pipes are arranged on the output ends of the two hot air blowers, the output ends of the two heat transfer pipes sequentially penetrate the inner wall of the hot and cold box and one side wall of the box body to the inside of the box body, the two cold air blowers are arranged front and back at the lower center of the inner wall of the hot and cold box, the two cold transfer pipes are arranged on the output ends of the two cold air blowers, the output ends of the two cold transfer pipes sequentially penetrate the inner wall of the hot and cold box and the upper end surface of the box body to the inside of the box body;

[0010] Through the above technical scheme, when working, the compressor converts the low-temperature and low-pressure gas into high-temperature and high-pressure gas by compressing the working fluid, and then transfers it to the condenser for heat dissipation, so that the gas is cooled and condensed into liquid. The liquid after passing through the condenser enters the liquid reservoir for storage, and then releases heat through the evaporator to turn the liquid into gas again, and is sent to the compressor again through the action of the circulating pump to form a cycle. At the same time, the hot air blower and the cold air blower send the hot air and cold air generated by the condenser and the evaporator into the box through the heat transfer pipe and the cold transfer pipe respectively, so as to adjust the box temperature, realize the precise control and adjustment of the temperature during the dissolution process, and improve the quality and stability of the product.

[0011] Furthermore, the detection alarm module includes three temperature detectors, a transmission module and a buzzer, the three temperature detectors are arranged in an upper and lower arrangement at one side of the center of the rear inner wall of the box, the transmission module is arranged at the rear of one side of the upper end surface of the box, and the buzzer is arranged at the center of the upper end surface of the transmission module;

[0012] Through the above technical solution, when working, the three temperature detectors transmit the detected temperature data to the transmission module by sensing the temperature changes in the environment. The transmission module transmits the temperature data received by the temperature detector to the system backend. When it is detected that the temperature exceeds the set threshold or the temperature is abnormal, the transmission module will trigger the buzzer to send an alarm signal to remind the operator to pay attention and take corresponding measures. It can monitor the temperature in real time and send out alarm signals, thereby improving the safety and reliability of the system.

[0013] Furthermore, the two filter screens are made of stainless steel;

[0014] Through the above technical solution, when air or liquid passes through the filter, the stainless steel material can effectively prevent impurities, particles and pollutants from passing through, keeping the system clean and operating normally.

[0015] Furthermore, one end of the feed hopper passes through the upper end surface of the box body and leads to the interior of the box body;

[0016] Through the above technical solution, the material enters the box through the feed hopper for subsequent processing or transportation.

[0017] Furthermore, the input end of the unloading solenoid valve passes through the lower end surface of the box body and leads to the interior of the box body;

[0018] Through the above technical solution, when material unloading is required, the unloading solenoid valve can open the channel to discharge the material from the inside of the box.

[0019] Furthermore, the lower end surface of the box body and the lower end surface of the hot and cold boxes are both arranged in a rectangular shape and provided with four supporting legs;

[0020] Through the above technical solution, the system is fixed to the ground through four supporting legs to keep it stable and steady.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, the dissolving device for chemical analysis realizes the full mixing and stirring effect of the dissolved material through the combination of the motor, the stirring rod, the stirring blade and the filter screen, and the dissolved material is filtered through the filter screen to ensure the purity and quality of the dissolved liquid, thereby improving the stirring effect and the purity of the dissolved liquid.

[0023] 2. In the utility model, by adopting components such as a compressor, a condenser, a liquid storage device, an evaporator, a circulating pump, a hot air blower, a heat transfer pipe, a cold air blower and a cold transfer pipe, the low-temperature and low-pressure gas is converted into a high-temperature and high-pressure gas by the compressor, and the circulating pump is used to circulate heat to achieve precise control and adjustment of the temperature in the dissolution process. At the same time, the hot air blower and the cold air blower send hot air and cold air into the box through the heat transfer pipe and the cold transfer pipe, so as to further adjust the temperature of the box and improve the quality and stability of the product.

[0024] 3. In the utility model, a combination of a temperature detector, a transmission module and a buzzer is adopted. The temperature detector senses the temperature change in the environment and transmits the data to the transmission module. When the temperature exceeds the set threshold or the temperature is abnormal, the transmission module triggers the buzzer to send an alarm signal to remind the operator to pay attention and take corresponding measures. The temperature is monitored in real time and an alarm signal is sent to improve the safety and reliability of the system. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a three-dimensional diagram of a dissolving device for chemical analysis proposed by the utility model;

[0026] Figure 2 This is a front cross-sectional view of a dissolving device for chemical analysis proposed by the utility model;

[0027] Figure 3 This is a side sectional view of a dissolving device for chemical analysis proposed by the utility model;

[0028] Figure 4 The utility model is a front view of a dissolving device for chemical analysis.

[0029] Legend:

[0030] 1. Box body; 2. Control panel; 3. Hot and cold box; 4. Support legs; 5. Receiving box; 6. Stirring and dissolving module; 601. Motor; 602. Stirring rod; 603. Stirring blade; 604. Filter; 7. Detection and alarm module; 701. Temperature detector; 702. Transmission module; 703. Buzzer; 8. Temperature control module; 801. Compressor; 802. Condenser; 803. Liquid storage tank; 804. Evaporator; 805. Circulation pump; 806. Hot air blower; 807. Heat transfer pipe; 808. Cold air blower; 809. Cold transfer pipe; 9. Feed hopper; 10. Partition; 11. Unloading solenoid valve. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Reference Figure 1-4, the utility model provides an embodiment: a dissolving device for chemical analysis, comprising a box 1, a control panel 2 is provided at the center of the front end face of the box 1, a hot and cold box 3 is provided at the center of one side of the box 1, a receiving box 5 is provided at the lower end of the box 1, a stirring and dissolving module 6 is provided at the center of the interior of the box 1, a temperature control module 8 is provided at the center of the hot and cold box 3, a detection alarm module 7 is provided at the rear of one side of the upper end face of the box 1 and at one side of the rear inner wall of the box 1, a feed hopper 9 is provided at the center of the upper end face of the box 1, a partition 10 is provided at the center of the hot and cold box 3, and a discharge solenoid valve 11 is provided at the center of the lower end face of the box 1. The material is input into the interior of the box 1 through the feed hopper 9, and then fully stirred and dissolved through the stirring and dissolving module 6. At the same time, the temperature control module 8 controls the temperature of the dissolving process to ensure that the dissolving process is carried out within a suitable temperature range. During the whole process, the detection alarm module 7 can monitor the temperature change and give an alarm prompt to ensure safe operation. Finally, the material after dissolution is discharged into the receiving box 5 through the discharge solenoid valve 11 to complete the whole analysis dissolution process.

[0033] The stirring and dissolving module 6 includes four motors 601, four stirring rods 602, multiple stirring blades 603 and two filter screens 604. The four motors 601 are arranged in a rectangular shape at the center of one side wall of the box body 1, and the two filter screens 604 are arranged up and down at the center of the inside of the box body 1. The output ends of the four motors 601 pass through the side wall of the box body 1 to the inside of the box body 1. The four stirring rods 602 are respectively arranged on the output ends of the four motors 601. The multiple stirring blades 603 are respectively arranged in a circular shape and horizontally on the outer side walls of the four stirring rods 602. During the dissolution process, the four motors 601 drive the stirring rods 602 to rotate so that the stirring blades 603 mix the dissolved materials evenly. The stirring rods 602 are connected to the motors 601 to transmit the power of the motors 601 to the stirring blades 603, thereby achieving sufficient stirring and mixing of the dissolved materials. At the same time, the setting of the two filter screens 604 can filter the dissolved materials to ensure the purity and quality of the dissolved liquid, so that the stirring effect and the purity of the dissolved liquid in the dissolution process are effectively improved.

[0034] The temperature control module 8 includes a compressor 801, a condenser 802, a liquid reservoir 803, an evaporator 804, a circulating pump 805, two hot air blowers 806, two heat transfer pipes 807, two cold air blowers 808 and two cold transfer pipes 809. The compressor 801 is arranged at the center of the lower inner wall of the cold and hot box 3, the condenser 802 is arranged on the output end of the compressor 801, and the output end of the condenser 802 passes through the lower end surface of the partition 10 to the upper end of the partition 10, the liquid reservoir 803 is arranged on the output end of the condenser 802, the evaporator 804 is arranged on the output end of the liquid reservoir 803, the circulating pump 805 is arranged on the output end of the evaporator 804, and the output end of the circulating pump 805 passes through the partition 10 The upper end surface is connected to the lower end of the partition 10, and the end is fixedly connected to the input end of the compressor 801. The two hot air blowers 806 are arranged front and back respectively at the lower center of the inner wall of the cold and hot box 3. The two heat transfer pipes 807 are respectively arranged on the output ends of the two hot air blowers 806. The output ends of the two heat transfer pipes 807 pass through the inner wall of the cold and hot box 3 and one side wall of the box body 1 in sequence to pass into the interior of the box body 1. The two cold air blowers 808 are arranged front and back respectively at the lower center of the inner wall of the cold and hot box 3. The two cold transfer pipes 809 are respectively arranged on the output ends of the two cold air blowers 808. The output ends of the two cold transfer pipes 809 pass through the inner wall of the cold and hot box 3 and the upper end surface of the box body 1 in sequence to pass into the interior of the box body 1.

[0035] During operation, the compressor 801 converts the low-temperature and low-pressure gas into high-temperature and high-pressure gas by compressing the working fluid, and then transfers it to the condenser 802 for heat dissipation, so that the gas is cooled and condensed into liquid. The liquid after passing through the condenser 802 enters the liquid storage tank 803 for storage, and then releases heat through the evaporator 804, converting the liquid into gas again, and is sent to the compressor 801 again through the action of the circulation pump 805, forming a cycle. At the same time, the hot air blower 806 and the cold air blower 808 respectively send the hot air and cold air generated by the condenser 802 and the evaporator 804 into the box 1 through the heat transfer pipe 807 and the cold transfer pipe 809, so as to adjust the temperature of the box 1, realize the precise control and adjustment of the temperature during the dissolution process, and improve the quality and stability of the product.

[0036] The detection alarm module 7 includes three temperature detectors 701, a transmission module 702 and a buzzer 703. The three temperature detectors 701 are arranged in an upper and lower manner and are arranged at one side of the center of the rear inner wall of the box body 1. The transmission module 702 is arranged at the rear of one side of the upper end surface of the box body 1. The buzzer 703 is arranged at the center of the upper end surface of the transmission module 702. When working, the three temperature detectors 701 transmit the detected temperature data to the transmission module 702 by sensing the temperature changes in the environment. The transmission module 702 receives the data from the temperature detector 701 and transmits it to the system back end. When it is detected that the temperature exceeds the set threshold or the temperature is abnormal, the transmission module 702 will trigger the buzzer 703 to send an alarm signal to remind the operator to pay attention and take corresponding measures. It can monitor the temperature in real time and send an alarm signal to improve the safety and reliability of the system.

[0037] The two filters 604 are made of stainless steel. When air or liquid passes through the filter 604, the stainless steel material can effectively prevent impurities, particles and pollutants from passing through, thereby keeping the system clean and operating normally. One end of the feed hopper 9 passes through the upper end surface of the box 1 and leads to the interior of the box 1. The material enters the interior of the box 1 through the feed hopper 9 for subsequent processing or transportation. The input end of the discharge solenoid valve 11 passes through the lower end surface of the box 1 and leads to the interior of the box 1. When discharge is required, the discharge solenoid valve 11 can open the channel to discharge the material from the interior of the box 1. The lower end surface of the box 1 and the lower end surface of the hot and cold box 3 are arranged in a rectangular shape and are provided with four support legs 4, which are fixed to the ground by the four support legs 4 to keep the system stable and stable.

[0038] Working principle: the material is input into the box body 1 through the feed hopper 9. During the dissolution process, the four motors 601 drive the stirring rod 602 to rotate so that the stirring blades 603 evenly mix the dissolved materials. The stirring rod 602 is connected to the motor 601 to transmit the power of the motor 601 to the stirring blades 603, thereby achieving sufficient stirring and mixing of the dissolved materials. At the same time, the setting of the two filter nets 604 can filter the dissolved materials to ensure the purity and quality of the dissolved liquid, thereby effectively improving the stirring effect during the dissolution process and the purity of the dissolved liquid.

[0039] The compressor 801 converts the low-temperature and low-pressure gas into a high-temperature and high-pressure gas by compressing the working medium, and then transfers it to the condenser 802 for heat dissipation, so that the gas is cooled and condensed into liquid. The liquid after passing through the condenser 802 enters the liquid storage tank 803 for storage, and then releases heat through the evaporator 804 to convert the liquid into gas again, and is sent to the compressor 801 again through the action of the circulation pump 805, forming a cycle. At the same time, the hot air blower 806 and the cold air blower 808 respectively send the hot air and cold air generated by the condenser 802 and the evaporator 804 into the box 1 through the heat transfer pipe 807 and the cold transfer pipe 809, so as to adjust the temperature of the box 1, realize the precise control and adjustment of the temperature during the dissolution process, improve the quality and stability of the product, and ensure that the dissolution process is carried out within a suitable temperature range.

[0040] During the whole process, the three temperature detectors 701 transmit the detected temperature data to the transmission module 702 by sensing the temperature changes in the environment. The transmission module 702 receives the data from the temperature detector 701 and transmits it to the system backend. When it is detected that the temperature exceeds the set threshold or the temperature is abnormal, the transmission module 702 will trigger the buzzer 703 to send an alarm signal to remind the operator to pay attention and take corresponding measures. It can monitor the temperature in real time and send out an alarm signal to improve the safety and reliability of the system to ensure safe operation. Finally, the material after dissolution is discharged into the receiving box 5 through the unloading solenoid valve 11, completing the entire dissolution process for analysis.

[0041] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A dissolution device for chemical analysis, comprising a housing (1), characterized in that: A control panel (2) is provided at the center of the front end face of the box body (1), a hot and cold box (3) is provided at the center of one side of the box body (1), a material receiving box (5) is provided at the lower end of the box body (1), a stirring and dissolving module (6) is provided at the center of the interior of the box body (1), a temperature control module (8) is provided at the center of the interior of the hot and cold box (3), a detection alarm module (7) is provided at the rear of one side of the upper end face of the box body (1) and at one side of the rear inner wall of the box body (1), a feeding hopper (9) is provided at the center of the upper end face of the box body (1), a partition (10) is provided at the center of the interior of the hot and cold box (3), and a material unloading solenoid valve (11) is provided at the center of the lower end face of the box body (1).

2. A dissolving device for chemical analysis according to claim 1, characterized in that: The stirring and dissolving module (6) comprises four motors (601), four stirring rods (602), a plurality of stirring blades (603) and two filter screens (604); the four motors (601) are arranged in a rectangular shape at the center of a side wall of the box body (1); the two filter screens (604) are arranged in an upper and lower arrangement at the center of the interior of the box body (1); the output ends of the four motors (601) respectively penetrate a side wall of the box body (1) and pass into the interior of the box body (1); the four stirring rods (602) are respectively arranged on the output ends of the four motors (601); and the plurality of stirring blades (603) are respectively arranged in a circular shape and transversely arranged on the outer side walls of the four stirring rods (602).

3. A dissolving device for chemical analysis according to claim 1, characterized in that: The temperature control module (8) comprises a compressor (801), a condenser (802), a liquid reservoir (803), an evaporator (804), a circulation pump (805), two hot air blowers (806), two heat transfer pipes (807), two cold air blowers (808) and two cold transfer pipes (809). The compressor (801) is arranged at the center of the lower inner wall of the hot and cold box (3). The condenser (802) is arranged on the output end of the compressor (801). The output end of the condenser (802) passes through the lower end surface of the partition (10) and reaches the upper end of the partition (10). The liquid reservoir (803) is arranged on the output end of the condenser (802). The evaporator (804) is arranged on the output end of the liquid reservoir (803). The circulation pump (805) is arranged on the output end of the evaporator (804). The end passes through the upper end surface of the partition (10) and passes to the lower end of the partition (10), and the end is fixedly connected to the input end of the compressor (801); the two hot air blowers (806) are arranged front and back respectively at the lower center of an inner wall of the cold and hot box (3); the two heat transfer pipes (807) are respectively arranged on the output ends of the two hot air blowers (806); the output ends of the two heat transfer pipes (807) pass through an inner wall of the cold and hot box (3) and a side wall of the box body (1) in sequence to pass into the box body (1); the two cold air blowers (808) are arranged front and back respectively at the lower center of an inner wall of the cold and hot box (3); the two cold transfer pipes (809) are respectively arranged on the output ends of the two cold air blowers (808); the output ends of the two cold transfer pipes (809) pass through an inner wall of the cold and hot box (3) and the upper end surface of the box body (1) in sequence to reach the inside of the box body (1).

4. A dissolving device for chemical analysis according to claim 1, characterized in that: The detection alarm module (7) comprises three temperature detectors (701), a transmission module (702) and a buzzer (703); the three temperature detectors (701) are arranged in an upper and lower arrangement at one side of the center of the rear inner wall of the box body (1); the transmission module (702) is arranged at the rear of one side of the upper end surface of the box body (1); and the buzzer (703) is arranged at the center of the upper end surface of the transmission module (702).

5. A dissolving device for chemical analysis according to claim 2, characterized in that: The two filter screens (604) are both made of stainless steel.

6. A dissolving device for chemical analysis according to claim 1, characterized in that: One end of the feed hopper (9) passes through the upper end surface of the box body (1) and leads to the interior of the box body (1).

7. A dissolving device for chemical analysis according to claim 1, characterized in that: The input end of the unloading solenoid valve (11) passes through the lower end surface of the box body (1) and leads to the interior of the box body (1).

8. A dissolving device for chemical analysis according to claim 1, characterized in that: The lower end surfaces of the box body (1) and the lower end surfaces of the cold and hot boxes (3) are both arranged in a rectangular shape and provided with four supporting legs (4).

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