CN112444480A - Freezing-thawing and dry-wet alternation test device and use method thereof - Google Patents
Freezing-thawing and dry-wet alternation test device and use method thereof Download PDFInfo
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- CN112444480A CN112444480A CN202011101151.8A CN202011101151A CN112444480A CN 112444480 A CN112444480 A CN 112444480A CN 202011101151 A CN202011101151 A CN 202011101151A CN 112444480 A CN112444480 A CN 112444480A
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Abstract
The invention discloses a freeze thawing and dry-wet alternation test device and a using method thereof, relates to the technical field of freeze thawing and dry-wet alternation tests, and aims to solve the problem that the volume of the existing freeze thawing and dry-wet alternation test device is overlarge due to the fact that an internal heat exchange device of the existing freeze thawing and dry-wet alternation test device occupies a large space. The air exchange device comprises a shell, and is characterized in that a ventilation box is arranged at the front end of the shell, a test box is arranged at the upper end of the ventilation box, bases are arranged at four corners of the lower end of the shell, a control panel is arranged on one side of the test box, a transparent observation window is arranged at the front end of the test box, a door plate handle is arranged on one side of the transparent observation window, a ventilation panel is arranged at the front end of the ventilation box, exhaust grooves are formed in two sides of the ventilation panel, a water outlet is formed in one side of the shell, an object stage is arranged between the ventilation box and the test box, a test table rotating motor is arranged inside the object stage, and a test table is arranged.
Description
Technical Field
The invention relates to the technical field of freeze thawing and dry-wet alternation tests, in particular to a freeze thawing and dry-wet alternation test device and a using method thereof.
Background
The freeze-thaw test is a scientific experiment performed by a scientific research institution on a new drug or a new material and aims to test the stability and effectiveness of various indexes of an experimental object. When designing a stability investigation experiment scheme of a medicine, a new medicine research unit usually pays attention to selecting the packaging and storage conditions of the medicine through a series of influence factor experiments, and determines the validity period of the product through a long-term sample retention experiment under standard conditions. But often neglects the adverse effect that some special medicines may have on the quality of the product due to temperature changes during transportation or use. The test box is a general term of products in the environmental test industry, and is used for simulating a natural climate environment in an effective space range, and the test types are as follows: the device comprises a high-low temperature test chamber, a xenon lamp aging test chamber, an ultraviolet aging test chamber, a box-type rain box, antirust grease, a water dripping device, a purifying and cleaning storage cabinet, a nitrogen storage cabinet, non-standard products and the like.
However, the existing freeze-thaw and dry-wet alternative test device has the problem of overlarge volume of the device due to large occupied space of an internal heat exchange device; therefore, the existing requirements are not met, and a freeze-thaw and dry-wet alternation test device and a using method thereof are provided.
Disclosure of Invention
The invention aims to provide a freeze-thaw and dry-wet alternation test device and a using method thereof, and aims to solve the problem that the volume of the existing freeze-thaw and dry-wet alternation test device in the background art is too large due to large occupied space of an internal heat exchange device.
In order to achieve the purpose, the invention provides the following technical scheme: a freeze thawing and dry-wet alternation test device comprises a shell, wherein the front end of the shell is provided with a ventilation box, the ventilation box is connected with the shell in a welding way, the upper end of the ventilation box is provided with a test box, the test box is connected with the shell in a welding way, the four corners of the lower end of the shell are respectively provided with a base, the bases are connected with the shell in a welding way, one side of the test box is provided with a control panel, the control panel is connected with the front end of the shell in a welding way, the front end of the test box is provided with a transparent observation window, the transparent observation window is connected with the test box in a welding way, the test box is connected with the transparent observation window in a welding way, one side of the transparent observation window is provided with a door plate handle, the door plate handle is connected with the test box in a welding way, the front end of the ventilation box is provided with a ventilation panel, the, the air inlet net is connected with the ventilation panel in a welding mode, the two sides of the ventilation panel are provided with exhaust grooves which are connected with the ventilation box in a welding mode, one side of the shell is provided with a water outlet which is connected with a shell flange, a loading table is arranged between the ventilation box and the test box and is connected with the ventilation box and the test box in a welding mode, a test table rotating motor is arranged inside the loading table and is connected with the loading table in a welding mode, the upper end of the test table rotating motor is provided with the test table which is connected with the loading table in a welding mode, an experimental utensil is arranged at the upper end of the test table and is connected with the output end of the test table rotating motor in a transmission mode, a heating lamp is arranged above the experimental utensil and is connected with the inner wall of the test box in a welding mode, and four corners of the inner wall of the upper end of the test box are provided with rotating spraying, and the rotary spraying device is welded with the air exchange box.
Preferably, the inside of rotatory sprinkler is provided with the rotation and sprays the casing, the upper end of rotatory casing that sprays is provided with leads to water outer tube, and leads to water outer tube and rotatory casing welded connection that sprays, the inside that leads to water outer tube is provided with automatically controlled inner tube, and automatically controlled inner tube and rotatory casing welded connection that sprays, the lower extreme that the rotatory casing that sprays is provided with leads to water bearing shell, and leads to water bearing shell and rotatory casing welded connection that sprays, the lower extreme that leads to water bearing shell is provided with rotatable shower nozzle, and rotatable shower nozzle and lead to water bearing shell pivot and be connected, the rear end of casing is provided with the electric cabinet, and electric cabinet and automatically controlled inner tube welded connection.
Preferably, a built-in rotating shaft is arranged inside the water passing bearing shell and is connected with the rotatable spray head in a welding mode, a built-in rotating motor is arranged at the upper end of the built-in rotating shaft, and the output end of the built-in rotating motor is in transmission connection with the built-in rotating shaft.
Preferably, a cold and hot pipe is arranged at the upper end of the rotary spraying device, the cold and hot pipe is arranged in the shell, and the cold and hot pipe is connected with the rotary spraying device through a pipeline.
Preferably, an electric heating scavenging pump is arranged in the scavenging box, an air inlet of the electric heating scavenging pump is connected with the air inlet network pipeline, scavenging pump fixing frames are arranged at the upper end and the lower end of the electric heating scavenging pump and are in bolted connection with the electric heating scavenging pump, the scavenging pump fixing frames are in welded connection with the scavenging box, an exhaust pipe is arranged at an exhaust port of the electric heating scavenging pump, and the exhaust pipe is in welded connection with the exhaust groove.
Preferably, the inner wall of the test box is provided with two air exchange pipes, and the two air exchange pipes are respectively connected with the air inlet end flange and the air outlet end flange of the electric heating air exchange pump.
Preferably, one side in the object stage is provided with a drainage floor drain, the drainage floor drain is connected with the object stage in a welding mode and is connected with a drainage outlet pipeline, and the upper end of the drainage floor drain is provided with a floor drain filter screen, and the floor drain filter screen is connected with the drainage floor drain in a welding mode.
Preferably, an electric water tank is arranged on one side inside the shell and is welded to the inner wall of the shell, an electric cold water tank is arranged at the upper end of the electric water tank and is welded to the electric water tank, a three-way water pump is arranged on one side of the electric water tank and is respectively connected with the electric water tank, the electric cold water tank and a cold and hot pipe pipeline.
Preferably, the use method of the freeze-thaw alternating with dry-wet test device comprises the following steps:
the method comprises the following steps: firstly pulling a door plate handle to open a test box, placing an experimental material in an experimental utensil, closing the test box to start a machine, sucking air from an air inlet net on a ventilation panel by an electric heating scavenging pump, heating the air according to the experimental requirement, finally enabling the air to enter the test box from a scavenging pipe, drying the material, pumping redundant air into an exhaust pipe from another scavenging pipe, and finally exhausting the air from an exhaust groove, so as to balance the air pressure in the test box, simultaneously driving the experimental utensil on the test bed to rotate by a test bed rotating motor, fully treating the material to the maximum extent, irradiating the tested material by a heating lamp to heat and heat, completing a melting and drying experiment, and enabling sewage and the like to flow into a drainage floor drain and be exhausted from a drainage outlet;
step two: when the experiment needs to be frozen or humidified, the electric water tank and the electric cold water tank can respectively heat and cool an external water source, finally, the cold-hot proportion of water is controlled by a three-way water pump to achieve the temperature control treatment, the water meeting the experiment temperature requirement is pumped into a cold-hot pipe and then enters a rotary spraying device, the rotary spraying device sprays water to freeze or humidify the tested material, the water in the cold-hot pipe flows in from an outer water pipe, an electric control inner pipe isolates the water in the outer water pipe, a circuit in the electric control inner pipe is electrically connected with a built-in rotary motor below the electric control inner pipe to prevent the built-in rotary motor from contacting with the water, the water in the outer water pipe passes through a rotary spraying shell and a water bearing shell and is finally sprayed out from the rotary sprayer, the built-in rotary motor in the water bearing shell drives a built-in rotary shaft to rotate, and the rotary built-in rotary shaft can drive the sprayer to, thereby realized the rotation and sprayed the function, can accomplish freezing or humidification experiment and handle, sewage etc. can flow into from the drainage floor drain and discharge from the outlet.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the arrangement of the electric heating air exchange pump, the electric heating air exchange pump sucks air from an air inlet net on the air exchange panel, the air is heated according to the experiment requirement, finally, the air can enter the test box from one air exchange pipe to dry the material, the redundant air can be pumped into the exhaust pipe from the other air exchange pipe and finally exhausted from the exhaust groove, so that the air pressure in the test box is balanced, the air exchange box is overlapped to optimize the pipeline, the occupied volume of the air exchange device is reduced while the maximization of the air exchange port of the device is ensured, and the problem of overlarge volume of the device caused by the large occupied space of an internal heat exchange device of the existing freeze thawing and dry-wet alternation test device is solved.
2. Through the setting of electric water tank and electric cold water tank, electric water tank and electric cold water tank can heat respectively and cool down the processing to external water source, and the cold and hot proportion of controlling water reaches the processing of accuse temperature by the tee bend water pump at last, reaches the required temperature of experimental temperature.
3. Through the setting of the rotary spraying device, the rotary spraying device sprays water to freeze or humidify a tested material, water in the cold and hot pipes flows in from the water-through outer pipe, the electric control inner pipe isolates the water of the water-through outer pipe, a circuit in the electric control inner pipe is electrically connected with a built-in rotating motor below the electric control inner pipe, the built-in rotating motor is prevented from contacting with the water, the water in the water-through outer pipe passes through the rotary spraying shell, the water-through bearing shell is finally sprayed out from the rotatable spray head, the built-in rotating motor inside the water-through bearing shell drives the built-in rotating shaft to rotate, the rotating built-in rotating shaft drives the rotatable spray head to rotate at the lower end of the water-through bearing shell, so that the rotary spraying function is realized, freezing or humidifying experimental treatment can be completed, sewage and the like.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the internal side view of the present invention;
FIG. 3 is a schematic view of a rotary spraying apparatus according to the present invention;
FIG. 4 is a schematic view of the structure of the drainage floor drain of the present invention;
FIG. 5 is an enlarged view of a portion of the present invention at A;
in the figure: 1. a housing; 2. a ventilation box; 3. a test chamber; 4. a base; 5. a control panel; 6. a transparent viewing window; 7. a door panel handle; 8. a ventilation panel; 9. an air intake network; 10. an exhaust groove; 11. a water outlet; 12. an object stage; 13. a test bed rotating motor; 14. a test bed; 15. a laboratory vessel; 16. a heating lamp; 17. rotating the spraying device; 18. a cold and hot pipe; 19. a floor drain for draining water; 20. an electric heat scavenging pump; 21. a scavenging pump fixing frame; 22. a ventilation tube; 23. an electric cabinet; 24. rotating the spray housing; 25. a water-through outer pipe; 26. an electric control inner pipe; 27. a water bearing shell; 28. a rotating shaft is arranged inside; 29. a rotatable spray head; 30. a built-in rotating electrical machine; 31. a floor drain filter screen; 32. an electric water tank; 33. an electric cooling water tank; 34. a three-way water pump; 35. and (4) exhausting the gas.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, an embodiment of the present invention is shown: a freeze thawing and dry-wet alternation test device comprises a shell 1, wherein a ventilation box 2 is arranged at the front end of the shell 1, the ventilation box 2 is connected with the shell 1 in a welding manner, a test box 3 is arranged at the upper end of the ventilation box 2, the test box 3 is connected with the shell 1 in a welding manner, four corners of the lower end of the shell 1 are respectively provided with a base 4, the base 4 is connected with the shell 1 in a welding manner, one side of the test box 3 is provided with a control panel 5, the control panel 5 is connected with the front end of the shell 1 in a welding manner, the front end of the test box 3 is provided with a transparent observation window 6, the transparent observation window 6 is connected with the test box 3 in a welding manner, the test box 3 is connected with the transparent observation window 6 in a welding manner, one side of the transparent observation window 6 is provided with a door plate handle 7, the door plate handle 7 is connected with the test box 3 in a welding manner, the front end of the ventilation box 2 is, the air intake net 9 is provided with three air intake nets 9, the air intake nets 9 are connected with the air exchange panel 8 in a welding mode, the two sides of the air exchange panel 8 are provided with exhaust grooves 10, the exhaust grooves 10 are connected with the air exchange box 2 in a welding mode, one side of the shell 1 is provided with a water outlet 11, the water outlet 11 is connected with the shell 1 in a flange mode, an object stage 12 is arranged between the air exchange box 2 and the test box 3, the object stage 12 is connected with the air exchange box 2 and the test box 3 in a welding mode, a test table rotating motor 13 is arranged inside the object stage 12, the test table rotating motor 13 is connected with the object stage 12 in a welding mode, the upper end of the test table rotating motor 13 is provided with a test table 14, the test table 14 is connected with the object stage 12 in a welding mode, an experimental vessel 15 is arranged at the upper end of the test table 14, the experimental vessel 15 is connected with the output end of the test table rotating motor, the four corners of the inner wall of the upper end of the test box 3 are provided with rotary spraying devices 17, and the rotary spraying devices 17 are connected with the ventilation box 2 in a welding mode.
Further, the inside of rotatory sprinkler 17 is provided with rotatory casing 24 that sprays, the upper end of rotatory casing 24 that sprays is provided with water outer tube 25, and water outer tube 25 and rotatory casing 24 welded connection that sprays, the inside of water outer tube 25 is provided with automatically controlled inner tube 26, and automatically controlled inner tube 26 and rotatory casing 24 welded connection that sprays, the lower extreme of rotatory casing 24 that sprays is provided with water bearing shell 27, and water bearing shell 27 and rotatory casing 24 welded connection that sprays, the lower extreme of water bearing shell 27 is provided with rotatable shower nozzle 29, and rotatable shower nozzle 29 is connected with water bearing shell 27 pivot, the rear end of casing 1 is provided with electric cabinet 23, and electric cabinet 23 and automatically controlled inner tube 26 welded connection, rotatory sprinkler 17 makes the direct rotatory measured material that sprays of water after the regulation, make the temperature obvious to material control.
Further, a built-in rotating shaft 28 is arranged inside the water passing bearing shell 27, the built-in rotating shaft 28 is connected with the rotatable spray head 29 in a welding mode, a built-in rotating motor 30 is arranged at the upper end of the built-in rotating shaft 28, the output end of the built-in rotating motor 30 is connected with the built-in rotating shaft 28 in a transmission mode, the built-in rotating shaft 28 is connected with the rotatable spray head 29, the built-in rotating shaft 28 can drive the rotatable spray head 29 to rotate, the function of rotating and uniformly spraying is achieved, and materials are.
Further, the upper end of the rotary spraying device 17 is provided with a cold and hot pipe 18, the cold and hot pipe 18 is arranged inside the shell 1, the cold and hot pipe 18 is connected with the rotary spraying device 17 through a pipeline, and the cold and hot pipe 18 is separated from the electric control inner pipe 26, so that water and electricity are separated, and the volume occupation of the device is reduced.
Further, the inside of the air-changing box 2 is provided with an electric heating air-changing pump 20, an air inlet of the electric heating air-changing pump 20 is connected with the air inlet network 9 through a pipeline, air-changing pump fixing frames 21 are arranged at the upper end and the lower end of the electric heating air-changing pump 20, the air-changing pump fixing frames 21 are in bolted connection with the electric heating air-changing pump 20, the air-changing pump fixing frames 21 are in welded connection with the air-changing box 2, an exhaust pipe 35 is arranged at an exhaust port of the electric heating air-changing pump 20, the exhaust pipe 35 is in welded connection with the exhaust groove 10, the pipeline is optimized by the overlapped air-changing box 2 and the electric heating air-changing pump 20, the occupied volume of the air-changing device is reduced while the maximization of the air-changing port is guaranteed.
Further, the inner wall of the test box 3 is provided with two air exchanging pipes 22, the two air exchanging pipes 22 are respectively connected with the air inlet end and the air outlet end of the electric heating air exchanging pump 20 through flanges, and the air exchanging pipes 22 are used for heating, drying and air exchanging ports.
Further, a drainage floor drain 19 is arranged on one side inside the object stage 12, the drainage floor drain 19 is connected with the object stage 12 in a welded mode, the drainage floor drain 19 is connected with the water outlet 11 in a pipeline mode, a floor drain filter screen 31 is arranged at the upper end of the drainage floor drain 19, the floor drain filter screen 31 is connected with the drainage floor drain 19 in a welded mode, accumulated water and sewage are effectively removed through the drainage floor drain 19, and the drying experiment is accelerated.
Furthermore, an electric water tank 32 is arranged on one side inside the shell 1, the electric water tank 32 is welded with the inner wall of the shell 1, an electric cold water tank 33 is arranged at the upper end of the electric water tank 32, the electric cold water tank 33 is welded with the electric water tank 32, a three-way water pump 34 is arranged on one side of the electric water tank 32, the three-way water pump 34 is respectively connected with the electric water tank 32, the electric cold water tank 33 and the cold and hot pipes 18 through pipelines, and the electric water tank 32 and the electric cold water tank 33 are matched with the three-way water pump 34 to achieve the function of.
Further, a use method of the freeze-thaw and wet-dry alternation test device comprises the following steps:
the method comprises the following steps: firstly, pulling a door plate handle 7 to open a test box 3, placing experimental materials in an experimental vessel 15, closing the test box 3 to start a machine, then sucking air from an air inlet net 9 on a ventilation panel 8 by an electric heating ventilation pump 20, heating the air according to the experimental requirements, finally enabling the air to enter the test box 3 from one ventilation pipe 22, drying the materials, pumping the redundant air into an exhaust pipe 35 from the other ventilation pipe 22, and finally exhausting the air from an exhaust groove 10, so as to balance the air pressure in the test box 3, meanwhile, driving the experimental vessel 15 on a test bed 14 to rotate by a test bed rotating motor 13, fully treating the materials to the maximum extent, irradiating the tested materials by a heating lamp 16 to heat and heat, and completing a melting and drying experiment, wherein sewage and the like can flow into a drainage floor drain 19 and be exhausted from a drainage outlet 11;
step two: when the experiment needs to be performed with freezing or humidifying treatment, the electric hot water tank 32 and the electric cold water tank 33 can respectively perform heating and cooling treatment on an external water source, finally, the three-way water pump 34 controls the cold-hot proportion of water to achieve temperature control treatment, water meeting the experiment temperature requirement is pumped into the cold-hot pipe 18 and then enters the rotary spraying device 17, the rotary spraying device 17 sprays water to perform freezing or humidifying treatment on the measured material, the water in the cold-hot pipe 18 flows in from the water through outer pipe 25, the electric control inner pipe 26 isolates the water in the water through outer pipe 25, a circuit in the electric control inner pipe 26 is electrically connected with the built-in rotary motor 30 below the electric control inner pipe to prevent the built-in rotary motor 30 from contacting with the water, the water in the water through outer pipe 25 passes through the rotary spraying shell 24 and the water through bearing shell 27 and finally is sprayed out from the rotatable spray head 29, and the built-in rotary motor 30 in the water through outer bearing, the rotary built-in rotary shaft 28 drives the rotary spray head 29 to rotate at the lower end of the water through bearing shell 27, so that the rotary spraying function is realized, the freezing or humidifying experimental treatment can be completed, and sewage and the like can flow into the drainage floor drain 19 and is discharged from the drainage port 11.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. A freeze-thaw and dry-wet alternation test device comprises a shell (1), and is characterized in that: the front end of the shell (1) is provided with a ventilation box (2), the ventilation box (2) is connected with the shell (1) in a welding mode, the upper end of the ventilation box (2) is provided with a test box (3), the test box (3) is connected with the shell (1) in a welding mode, four corners of the lower end of the shell (1) are provided with bases (4), the bases (4) are connected with the shell (1) in a welding mode, one side of the test box (3) is provided with a control panel (5), the control panel (5) is connected with the front end of the shell (1) in a welding mode, the front end of the test box (3) is provided with a transparent observation window (6), the transparent observation window (6) is connected with the test box (3) in a welding mode, the test box (3) is connected with the transparent observation window (6) in a welding mode, one side of the transparent observation window (6) is provided with a door panel handle (7), and the door panel handle (7), the front end of the ventilation box (2) is provided with a ventilation panel (8), the ventilation panel (8) is connected with the ventilation box (2) in a welding mode, an air inlet net (9) is arranged inside the ventilation panel (8), three air inlet nets (9) are arranged, the air inlet nets (9) are connected with the ventilation panel (8) in a welding mode, exhaust grooves (10) are formed in two sides of the ventilation panel (8), the exhaust grooves (10) are connected with the ventilation box (2) in a welding mode, one side of the shell (1) is provided with a water outlet (11), the water outlet (11) is connected with the shell (1) in a flange mode, an object stage (12) is arranged between the ventilation box (2) and the test box (3), the object stage (12) is connected with the ventilation box (2) and the test box (3) in a welding mode, a test stage rotating motor (13) is arranged inside the object stage (12), and the test stage rotating motor (13) is connected with the object stage (12) in a, the test bed is characterized in that a test bed (14) is arranged at the upper end of the test bed rotating motor (13), the test bed (14) is connected with an object stage (12) in a welding mode, an experimental utensil (15) is arranged at the upper end of the test bed (14), the experimental utensil (15) is connected with the output end of the test bed rotating motor (13) in a transmission mode, a heating lamp (16) is arranged above the experimental utensil (15), the heating lamp (16) is connected with the inner wall of the test bed (3) in a welding mode, four corners of the inner wall of the upper end of the test bed (3) are provided with rotating spraying devices (17), and the rotating spraying devices (17) are connected with the ventilation box (2) in a welding mode.
2. A freeze-thaw alternating with dry-wet test apparatus according to claim 1, wherein: a rotary spraying shell (24) is arranged in the rotary spraying device (17), a water-through outer pipe (25) is arranged at the upper end of the rotary spraying shell (24), and the water-passing outer pipe (25) is welded with the rotary spraying shell (24), an electric control inner pipe (26) is arranged inside the water-passing outer pipe (25), the electric control inner pipe (26) is welded with the rotary spraying shell (24), the lower end of the rotary spraying shell (24) is provided with a water bearing outer shell (27), and the water-through bearing shell (27) is welded with the rotary spraying shell (24), the lower end of the water passing bearing shell (27) is provided with a rotatable spray head (29), and the rotatable spray head (29) is connected with the water through bearing shell (27) in a rotating mode, the electric cabinet (23) is arranged at the rear end of the shell (1), and the electric cabinet (23) is connected with the electric control inner pipe (26) in a welding mode.
3. A freeze-thaw alternating with dry-wet test apparatus according to claim 2, wherein: the water-through bearing comprises a water-through bearing shell (27), wherein a built-in rotating shaft (28) is arranged in the water-through bearing shell (27), the built-in rotating shaft (28) is connected with a rotatable spray head (29) in a welding mode, a built-in rotating motor (30) is arranged at the upper end of the built-in rotating shaft (28), and the output end of the built-in rotating motor (30) is in transmission connection with the built-in rotating shaft (28).
4. A freeze-thaw alternating with dry-wet test apparatus according to claim 1, wherein: the upper end of the rotary spraying device (17) is provided with a cold and hot pipe (18), the cold and hot pipe (18) is arranged in the shell (1), and the cold and hot pipe (18) is connected with the rotary spraying device (17) through a pipeline.
5. A freeze-thaw alternating with dry-wet test apparatus according to claim 1, wherein: the air-conditioning system is characterized in that an electric heating air exchange pump (20) is arranged inside the air exchange box (2), an air inlet of the electric heating air exchange pump (20) is connected with an air inlet net (9) through a pipeline, air exchange pump fixing frames (21) are arranged at the upper end and the lower end of the electric heating air exchange pump (20), the air exchange pump fixing frames (21) are in bolt connection with the electric heating air exchange pump (20), the air exchange pump fixing frames (21) are in welded connection with the air exchange box (2), an exhaust pipe (35) is arranged at an exhaust port of the electric heating air exchange pump (20), and the exhaust pipe (35) is in welded connection with an.
6. A freeze-thaw alternating with dry-wet test apparatus according to claim 5, wherein: the inner wall of the test box (3) is provided with two air exchange tubes (22), and the two air exchange tubes (22) are respectively connected with the air inlet end and the air outlet end of the electric heating air exchange pump (20) through flanges.
7. A freeze-thaw alternating with dry-wet test apparatus according to claim 1, wherein: a drainage floor drain (19) is arranged on one side of the inside of the objective table (12), the drainage floor drain (19) is connected with the objective table (12) in a welded mode, the drainage floor drain (19) is connected with the water outlet (11) through a pipeline, a floor drain filter screen (31) is arranged at the upper end of the drainage floor drain (19), and the floor drain filter screen (31) is connected with the drainage floor drain (19) in a welded mode.
8. A freeze-thaw alternating with dry-wet test apparatus according to claim 1, wherein: the utility model discloses a solar water heater, including casing (1), inside one side of casing (1) is provided with electric water tank (32), and electric water tank (32) and casing (1) inner wall welded connection, the upper end of electric water tank (32) is provided with electric cold water tank (33), and electric cold water tank (33) and electric water tank (32) welded connection, one side of electric water tank (32) is provided with three-way water pump (34), and three-way water pump (34) respectively with electric water tank (32), electric cold water tank (33), cold and hot pipe (18) pipe connection.
9. The use method of the alternate freeze-thaw test device and the dry-wet test device according to any one of claims 1 to 8, comprising the steps of:
the method comprises the following steps: firstly pulling a door plate handle (7) to open a test box (3), placing experimental materials in an experimental vessel (15), closing the test box (3) to start a machine, sucking air from an air inlet net (9) on a ventilation panel (8) by an electric heating ventilation pump (20), heating the air according to the experimental requirements, finally enabling the air to enter the test box (3) from one ventilation pipe (22), drying the materials, pumping the redundant air into an exhaust pipe (35) from the other ventilation pipe (22) and finally exhausting the redundant air from an exhaust groove (10) so as to balance the internal air pressure of the test box (3), simultaneously driving the experimental vessel (15) on a test table (14) to rotate by a test table rotating motor (13), fully treating the materials to the maximum extent, irradiating the tested materials by a heating lamp (16) to heat and heat, and finish a melting and drying experiment, sewage and the like can flow into the drainage floor drain (19) and is discharged from the drainage port (11);
step two: when the experiment needs to be frozen or humidified, the electric water tank (32) and the electric cold water tank (33) can respectively heat and cool an external water source, finally, the cold-hot proportion of water is controlled by the three-way water pump (34) to achieve the temperature control, the water meeting the experiment temperature requirement is pumped into the cold-hot pipe (18) and then enters the rotary spraying device (17), the rotary spraying device (17) sprays water to freeze or humidify the tested material, the water in the cold-hot pipe (18) flows in from the outer water passing pipe (25), the electric control inner pipe (26) isolates the water in the outer water passing pipe (25), a circuit in the electric control inner pipe (26) is electrically connected with the built-in rotary motor (30) below to prevent the built-in rotary motor (30) from contacting with the water, the water in the outer water passing pipe (25) passes through the rotary spraying shell (24), the water passing bearing shell (27) and finally sprays out from the rotatable spray head (29), and a built-in rotating motor (30) in the water passing bearing shell (27) drives a built-in rotating shaft (28) to rotate, and the rotating built-in rotating shaft (28) drives a rotatable spray head (29) to rotate at the lower end of the water passing bearing shell (27), so that the rotary spraying function is realized, the freezing or humidifying experimental treatment can be completed, and sewage and the like can flow into the drainage floor drain (19) and be discharged from the drainage outlet (11).
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| CN112444480B (en) | 2022-11-22 |
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