CN221279797U - Vacuum drying device - Google Patents
Vacuum drying device Download PDFInfo
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- CN221279797U CN221279797U CN202323107542.2U CN202323107542U CN221279797U CN 221279797 U CN221279797 U CN 221279797U CN 202323107542 U CN202323107542 U CN 202323107542U CN 221279797 U CN221279797 U CN 221279797U
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- kettle body
- bottom plate
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- wall
- communicated
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- 238000001291 vacuum drying Methods 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 114
- 239000000463 material Substances 0.000 claims abstract description 53
- 238000010438 heat treatment Methods 0.000 claims abstract description 45
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 18
- 238000004891 communication Methods 0.000 claims description 11
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- 238000005086 pumping Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 abstract description 11
- 238000001816 cooling Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000011343 solid material Substances 0.000 abstract description 3
- 230000000712 assembly Effects 0.000 description 6
- 238000000429 assembly Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Drying Of Solid Materials (AREA)
Abstract
The utility model belongs to the technical field of solid material drying, in particular to a vacuum drying device which comprises a bottom plate, a kettle body, a lifting structure and a material placing frame assembly for placing materials, wherein the lifting structure is positioned at the outer side of the bottom plate and drives the kettle body to vertically lift; a water filling space A for introducing water is formed between the inner wall of the kettle body and the outer wall of the kettle body; the kettle body is also provided with a thermometer and a vacuum gauge. According to the utility model, through the matched arrangement of the bottom plate provided with the material placing frame assembly, the kettle body with the water filling space A in the kettle body and the lifting structure, on the basis of being capable of realizing the vacuum drying effect, the inner wall of the kettle body can be heated, so that the function of heating the material in the inner space of the inner wall of the kettle body can be realized, the kettle is applicable to drying more different materials, the applicability is better, the kettle body can be cooled by rapid cooling after the drying is finished, the structure is relatively simple, and the operation is flexible and reliable.
Description
Technical Field
The utility model belongs to the technical field of solid material drying, and particularly relates to a vacuum drying device.
Background
In chemical production, drying of solid materials is a common basic unit operation. At present, two modes are generally adopted, namely, hot air or dehumidified air is utilized to take away moisture through the surface of wet materials, the hot air loss is large, the energy consumption is large, and meanwhile, the method is not applicable to drying materials which need to be particularly clean; another way is vacuum drying, which is performed by using the difference in boiling point of the liquid at different pressures.
The vacuum drying oven in the current market is high in price, complex in structure, and has no wall heating or cooling function, so that the applicability to different materials is poor.
Disclosure of utility model
In view of the above problems, an object of the present utility model is to provide a vacuum drying apparatus.
The aim of the utility model is realized by the following technical scheme:
The vacuum drying device comprises a bottom plate, a kettle body, a lifting structure and a material placing frame assembly for placing materials, wherein the material placing frame assembly is arranged on the bottom plate, the bottom of the kettle body is provided with an opening, and the lifting structure is positioned on the outer side of the bottom plate and drives the kettle body to vertically lift;
When the lifting structure drives the kettle body to descend to the lowest position, the bottom of the kettle body is connected with the bottom plate, and at the moment, the material placing frame assembly is covered by the kettle body; when the lifting structure drives the kettle body to lift, the bottom of the kettle body is separated from the bottom plate;
the kettle comprises a kettle body, and is characterized in that a water filling space A for introducing water is formed between the inner wall of the kettle body and the outer wall of the kettle body, a water inlet and a water outlet which are communicated with the water filling space A are respectively formed in the outer wall of the kettle body, a thermometer is arranged at the top end of the kettle body, a detection end of the thermometer stretches into the inner space of the inner wall of the kettle body, a three-way connector is further arranged at the top end of the kettle body, a first port of the three-way connector extends into the inner space of the inner wall of the kettle body, a second port of the three-way connector is positioned at the outer side of the outer wall of the kettle body and is connected with a vacuum gauge, and a third port of the three-way connector is positioned at the outer side of the outer wall of the kettle body and is communicated with a suction and air channel system.
The bottom of the kettle body extends to the periphery and is provided with a clamping outer edge; when the bottom of the kettle body is combined with the bottom plate, the clamping outer edge of the kettle body is clamped with the bottom plate through a plurality of kettle clamps.
The lifting structure comprises a plurality of groups of hydraulic lifting components, each group of hydraulic lifting components comprises a hydraulic cylinder and a supporting frame, the cylinder bodies of the hydraulic cylinders of the hydraulic lifting components are fixedly connected to the ground on the outer side of the bottom plate, and the piston rods of the hydraulic cylinders of the hydraulic lifting components are fixedly connected with the outer wall of the kettle body through the supporting frames of the hydraulic lifting components.
The utility model further comprises at least one group of lifting detection assemblies, each group of lifting detection assemblies comprises a limit switch mounting frame and two limit switches, the limit switch mounting frames of each group of lifting detection assemblies are positioned on one side of a corresponding group of hydraulic lifting assemblies, the two limit switches of each group of lifting detection assemblies are arranged on the limit switch mounting frames of the same group of lifting detection assemblies, one limit switch is used for detecting whether the supporting frame of the adjacent hydraulic lifting assembly is lifted to the highest position, and the other limit switch is used for detecting whether the supporting frame of the adjacent hydraulic lifting assembly is lowered to the lowest position.
The air suction channel system comprises a vacuum suction main pipeline and an external air communication pipeline, one end of the vacuum suction main pipeline is communicated with a third port of the three-way joint through a hose, the other end of the vacuum suction main pipeline is connected with an external vacuum suction device, a valve A is arranged in the middle of the vacuum suction main pipeline, the vacuum suction main pipeline between one end of the vacuum suction main pipeline and the external air communication pipeline are communicated, and a valve B is arranged on the external air communication pipeline.
The vacuum pumping main pipeline between the valve A and one end of the vacuum pumping main pipeline is also communicated with a nitrogen input pipeline, and a valve C is arranged on the nitrogen input pipeline.
The bottom of the bottom plate is provided with a plurality of travelling wheels.
The ground below the bottom plate is provided with a plurality of rails matched with the travelling wheels.
And each track is provided with a positioning stop block.
The material rack body assembly comprises a plurality of layers of hollow heating plates which are sequentially arranged from top to bottom, water filling spaces B for filling water are formed in the hollow heating plates, every two adjacent hollow heating plates are supported through supporting blocks, the hollow heating plates at the lowest layer are also supported through the supporting blocks between the bottom plates, water guide pipes are further communicated between the hollow heating plates, the water filling spaces B of the two adjacent hollow heating plates are communicated through the water guide pipes, one end of a water inlet pipe which is communicated with the water filling spaces B of the hollow heating plates is connected to the hollow heating plates at the lowest layer, one end of a water outlet pipe which is communicated with the water filling spaces B of the hollow heating plates is connected to the hollow heating plates at the uppermost layer, the other end of the water outlet pipe and the other end of the water inlet pipe penetrate out of the bottom plate respectively, the other end of the water inlet pipe is communicated with an external water inlet pipe network through a hose, the other end of the water outlet pipe is communicated with an external water outlet pipe network through a hose, and each water outlet pipe is provided with a material containing disc.
The utility model has the advantages and positive effects that:
According to the utility model, through the matched arrangement of the bottom plate provided with the material placing frame assembly, the kettle body with the water filling space A in the kettle body and the lifting structure, on the basis of realizing the vacuum drying effect, the inner wall of the kettle body can be heated, so that the function of heating the material in the inner space of the inner wall of the kettle body can be realized, the kettle is applicable to drying more different materials, the applicability is better, the kettle body can be cooled by rapid cooling after the drying is finished, the structure is relatively simple, and the operation is flexible and reliable.
Drawings
FIG. 1 is a schematic view of the structure of the utility model after the kettle body is lifted;
FIG. 2 is a schematic diagram of the structure of the utility model after the kettle body descends;
FIG. 3 is an enlarged view at A of FIG. 2;
fig. 4 is a schematic structural view of the material containing tray at the same height position according to the present utility model.
In the figure: 1 is a bottom plate, 2 is a kettle body, 201 is a water filling space A, 202 is a water inlet, 203 is a water outlet, 3 is a thermometer, 4 is a vacuum gauge, 5 is a suction and air channel system, 6 is a kettle clamp, 7 is a hydraulic cylinder, 8 is a support frame, 9 is a limit switch mounting frame, 10 is a limit switch, 11 is a valve A, 12 is a valve B, 13 is a valve C, 14 is a walking wheel, 15 is a track, 16 is a positioning stop block, 17 is a hollow heating plate, 18 is a supporting block, 19 is a water guide pipe, 20 is a water inlet pipe, 21 is a water outlet pipe, and 22 is a material containing disc.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-4.
1-4, The vacuum drying device comprises a bottom plate 1, a kettle body 2, a lifting structure and a material placing frame component for placing materials, wherein the material placing frame component is arranged on the bottom plate 1, the bottom of the kettle body 2 is opened, and the lifting structure is positioned on the outer side of the bottom plate 1 and drives the kettle body 2 to vertically lift.
When the lifting structure drives the kettle body 2 to descend to the lowest position, the bottom of the kettle body 2 is connected with the bottom plate 1, and at the moment, the material placing frame component is covered by the kettle body 2. When the lifting structure drives the kettle body 2 to lift, the bottom of the kettle body 2 is separated from the bottom plate 1.
A water filling space A201 for introducing water is formed between the inner wall of the kettle body 2 and the outer wall of the kettle body 2, a water inlet 202 and a water outlet 203 which are communicated with the water filling space A201 are respectively arranged on the outer wall of the kettle body 2, a thermometer 3 is arranged at the top end of the kettle body 2, a detection end of the thermometer 3 stretches into the inner space of the inner wall of the kettle body 2, a three-way connector is further arranged at the top end of the kettle body 2, a first port of the three-way connector extends into the inner space of the inner wall of the kettle body 2, a second port of the three-way connector is positioned at the outer side of the outer wall of the kettle body 2 and is connected with a vacuum gauge 4, and a third port of the three-way connector is positioned at the outer side of the outer wall of the kettle body 2 and is communicated with an air suction channel system 5. In this embodiment, the manufacturing mode of the kettle body 2 adopts the prior art, and can be manufactured by integrally forming a material with good heat conduction performance (for example, 316L stainless steel material), so that the welding seam is less and vacuum is not easy to leak. In this embodiment, the thermometer 3, the vacuum gauge 4 and the three-way connector are all commercially available products, and the mounting structure is the prior art. The thermometer 3 is used for detecting the temperature in the inner space of the inner wall of the kettle body 2, and the vacuum gauge 4 is used for detecting the vacuum degree or the air pressure value in the inner space of the inner wall of the kettle body 2. In this embodiment, the water inlet 202 is connected to the external water inlet pipe network through a hose, and the setting structure of the external water inlet pipe network adopts the prior art, so that the water input to the water inlet 202 can be switched to be heated hot water or cooled water, so as to heat or cool the kettle body 2, thereby heating the material in the inner space of the inner wall of the kettle body 2. In this embodiment, although the inner space of the inner wall of the kettle body 2 is vacuumized to dry the materials in practical use, the heating function of the kettle body 2 can be used when the vacuum degree is low. In this embodiment, the water outlet 203 is connected to an external drainage pipe network through a hose, and the external drainage pipe network is configured by adopting the prior art, so that the drainage flow path can be switched according to whether the water flowing out from the water outlet 203 is heated hot water or cooled water.
Specifically, in this embodiment, the bottom of the kettle body 2 extends to the outer periphery to form a clamping outer edge. When the bottom of the kettle body 2 is combined with the bottom plate 1, the clamping outer edge of the kettle body 2 is clamped with the bottom plate 1 through a plurality of kettle clamps 6, so that the kettle body 2 is tightly combined with the bottom plate 1, and the sealing effect after the combination is effectively ensured. In this example, the kettle clamp 6 is commercially available.
Specifically, the lifting structure in this embodiment includes a plurality of hydraulic lifting components of group, and every hydraulic lifting component of group all includes pneumatic cylinder 7 and support frame 8, and the cylinder body of the pneumatic cylinder 7 of every hydraulic lifting component of group all rigid coupling is in the subaerial in the bottom plate 1 outside, and the piston rod of the pneumatic cylinder 7 of every hydraulic lifting component of group all through the support frame 8 with cauldron body 2 outer wall fixed connection of same group hydraulic lifting component. In this embodiment, the hydraulic cylinders 7 are all commercially available products, and the external controller controls the operation. Other lifting modes in the prior art, such as lifting and the like, can be adopted by the lifting structure according to actual use requirements.
The vacuum drying device in this embodiment further includes a set of lift detection subassembly, this lift detection subassembly includes limit switch mounting bracket 9 and two limit switches 10, the limit switch mounting bracket 9 of lift detection subassembly all is located one side of a set of hydraulic lift subassembly that corresponds, two limit switches 10 of lift detection subassembly all install on the limit switch mounting bracket 9 of same group lift detection subassembly, one of them limit switch 10 is used for detecting whether the support frame 8 of adjacent hydraulic lift subassembly rises to the highest position, another limit switch 10 is used for detecting whether the support frame 8 of adjacent hydraulic lift subassembly falls to the lowest position. In this embodiment, the limit switches 10 are all commercially available products and are respectively connected with an external controller; when the supporting frame 8 touches each limit switch 10, the limit switches 10 send out in-place signals to the external controller, and the external controller controls the hydraulic cylinder 7 to stop extending or retracting.
Specifically, in this embodiment, the air suction channel system 5 includes a main vacuum suction pipeline and an external air communication pipeline, one end of the main vacuum suction pipeline is connected to the third port of the three-way connector through a hose, the other end of the main vacuum suction pipeline is connected to the external vacuum suction device, a valve a11 is disposed in the middle of the main vacuum suction pipeline, the main vacuum suction pipeline between the valve a11 and one end of the main vacuum suction pipeline is connected to the external air communication pipeline, and a valve B12 is disposed on the external air communication pipeline. The arrangement structure of the suction inlet channel system 5 in this embodiment also adopts the prior art, and does not rise and fall along with the kettle body 2. In this embodiment, the external vacuum pumping device adopts the prior art, such as a vacuum pump; the external vacuum-pumping device is also controlled by an external controller. In this embodiment, the vacuum main pipeline between the valve a11 and one end of the vacuum main pipeline is also connected with a nitrogen input pipeline, and the nitrogen input pipeline is provided with a valve C13 and is connected with an external nitrogen source. In this embodiment, the valve A11, the valve B12 and the valve C13 are all commercially available products. When the valve B12 and the valve C13 are ensured to be closed, the external vacuumizing device can be used for vacuumizing the inner space of the inner wall of the kettle body 2 after the valve A11 is opened. When the drying is finished, the valve A11 is closed, the valve B12 is opened, so that external gas can enter the inner space of the inner wall of the kettle body 2 through the external gas communication pipeline, and pressure relief is realized; after the materials with inflammable and explosive risks are dried, the valve B12 is not opened, the valve C13 can be opened, and an external nitrogen source is enabled to charge nitrogen into the inner side space of the inner wall of the kettle body 2 through the nitrogen input pipeline for pressure relief, so that safety is ensured.
Specifically, in this embodiment, the bottom of the base plate 1 is provided with a plurality of travelling wheels 14, the ground below the base plate 1 is provided with a plurality of rails 15 used in cooperation with the travelling wheels 14, and the rails 15 are respectively provided with a positioning stop block 16. In this embodiment, the arrangement of the running wheel 14 and the rail 15 with the positioning stopper 16 is technically implemented. Through setting up walking wheel 14 and track 15, be convenient for remove bottom plate 1 that is provided with material rack body subassembly as required, conveniently get the material of putting. The positioning stop block 16 is used for blocking the travelling wheel 14, and the kettle body 2 is positioned right above the bottom plate 1 at the moment, so that the kettle body 2 is accurately connected with the bottom plate 1.
Specifically, the material rack body assembly in this embodiment includes a plurality of layers of hollow heating plates 17 that set gradually from top to bottom, the inside of every hollow heating plate 17 all is equipped with the water filling space B that is used for letting in water, support through supporting shoe 18 between every two adjacent hollow heating plates 17, also support through supporting shoe 18 between the hollow heating plate 17 and the bottom plate 1 that lie in the lowest floor, still the intercommunication is equipped with aqueduct 19 between every two adjacent hollow heating plates 17, aqueduct 19 is linked together the water filling space B of two adjacent upper and lower hollow heating plates 17, be connected with the one end of inlet tube 20 that is linked together with the water filling space B of this hollow heating plate 17 on the hollow heating plate 17 that lies in the lowest floor, be connected with the one end of outlet pipe 21 that is linked together with the water filling space B of this hollow heating plate 17 on the hollow heating plate 17 that lies in the uppermost, the other end of outlet pipe 21 and the other end of inlet tube 20 wear out from the below of bottom plate 1 respectively, the other end of inlet pipe 20 is linked together with external water inlet pipe network through the hose, the other end of outlet pipe 21 is linked together with external water discharging pipe network through the hose, material dish 22 has all been placed on every hollow heating plate 17. In the embodiment, each hollow heating plate 17 is circular, and two semicircular material containing discs 22 are arranged on each hollow heating plate 17, so that charging and discharging are facilitated; the hollow heating plate 17 and the material containing plate 22 are made of materials with good heat conduction performance, for example, 316L stainless steel materials.
In this embodiment, the water inlet pipe 20 is connected to the external water inlet pipe network through a hose, and the water input to the water inlet pipe 20 can be switched to be heated hot water or cooled water to heat or cool each hollow heating plate 17, and the external water inlet pipe network connected to the water inlet 202 and the external water inlet pipe network connected to the water inlet pipe 20 can be the same external water inlet pipe network or different external water inlet pipe networks, and the connection setting structure adopts the prior art. When the external water inlet pipe network connected with the water inlet 202 and the external water inlet pipe network connected with the water inlet pipe 20 are different external water inlet pipe networks, water with different temperatures can be respectively introduced into the kettle body 2 and the hollow heating plate 17. In this embodiment, the water outlet pipe 21 is connected to the external water outlet pipe network through a hose, and the water flow path can be switched according to whether the water flowing out from the water outlet pipe 21 is heated hot water or cooled water, the external water outlet pipe network connected to the water outlet pipe 21 and the external water outlet pipe network connected to the water outlet 203 can be the same external water outlet pipe network or different external water outlet pipe networks, and the connection structure adopts the prior art. When the external drainage pipe network connected with the water outlet pipe 21 and the external drainage pipe network connected with the water outlet 203 are different external water inlet pipe networks, the recovery of the water at different temperatures discharged from the kettle body 2 and the hollow heating plate 17 can be realized. In this embodiment, the hose is connected to the pipe network, so that the lifting of the kettle body 2 and the movement of the bottom plate 1 can be prevented from being affected.
Working principle:
When the material accommodating tray is used, the bottom plate 1 provided with the material accommodating frame assembly is pushed to one side of the kettle body 2 from the right lower side of the kettle body 2 on the track 15, the material accommodating tray 22 is filled in sequence from top to bottom, and after the material accommodating tray is filled, the bottom plate 1 provided with the material accommodating frame assembly is pushed back to the right lower side of the kettle body 2 on the track 15; starting a lifting structure, lowering the kettle body 2 into place, and tightly and fixedly jointing the kettle body 2 with the bottom plate 1 by using the kettle clamp 6; hot water is respectively filled into the kettle body 2 and each hollow heating plate 17 so as to heat materials positioned in the inner space of the inner wall of the kettle body 2, after the temperature reaches the requirement, a valve A11 can be opened, and an external vacuumizing device can be used for vacuumizing the inner space of the inner wall of the kettle body 2 so as to fully dry the materials; after the drying time is reached, cooling water is respectively filled into the kettle body 2 and each hollow heating plate 17 to cool the kettle body 2 and each hollow heating plate 17, and water filling is stopped after the temperature reaches the requirement; closing the valve A11, opening the valve B12 to enable external gas to enter the inner space of the inner wall of the kettle body 2 through an external gas communication pipeline so as to realize pressure relief, closing the valve B12 after the inside of the kettle body 2 reaches normal pressure, loosening the kettle clamp 6, starting the lifting structure, lifting the kettle body 2 to the highest position, pushing the bottom plate 1 provided with the material placing frame assembly to one side of the kettle body 2 on the track 15, pouring out materials in the material containing disc 22, and finishing material drying.
Claims (10)
1. A vacuum drying apparatus, characterized in that: the kettle comprises a bottom plate (1), a kettle body (2), a lifting structure and a material placing frame assembly for placing materials, wherein the material placing frame assembly is arranged on the bottom plate (1), the bottom of the kettle body (2) is provided with an opening, and the lifting structure is positioned on the outer side of the bottom plate (1) and drives the kettle body (2) to vertically lift;
When the lifting structure drives the kettle body (2) to descend to the lowest position, the bottom of the kettle body (2) is connected with the bottom plate (1), and at the moment, the material placing frame assembly is covered by the kettle body (2); when the lifting structure drives the kettle body (2) to lift, the bottom of the kettle body (2) is separated from the bottom plate (1);
The novel kettle comprises a kettle body (2), wherein a water filling space A (201) for introducing water is formed between the inner wall of the kettle body (2) and the outer wall of the kettle body (2), a water inlet (202) and a water outlet (203) which are communicated with the water filling space A (201) are respectively formed in the outer wall of the kettle body (2), a thermometer (3) is arranged at the top end of the kettle body (2), a detection end of the thermometer (3) stretches into an inner space of the inner wall of the kettle body (2), a three-way connector is further arranged at the top end of the kettle body (2), a first port of the three-way connector extends into the inner space of the inner wall of the kettle body (2), a second port of the three-way connector is positioned at the outer side of the outer wall of the kettle body (2) and is connected with a vacuum gauge (4), and a third port of the three-way connector is positioned at the outer side of the outer wall of the kettle body (2) and is communicated with an air suction channel system (5).
2. A vacuum drying apparatus according to claim 1, wherein: the bottom of the kettle body (2) extends to the outer periphery and is provided with a clamping outer edge; when the bottom of the kettle body (2) is combined with the bottom plate (1), the clamping outer edge of the kettle body (2) is clamped with the bottom plate (1) through a plurality of kettle clamps (6).
3. A vacuum drying apparatus according to claim 1, wherein: the lifting structure comprises a plurality of groups of hydraulic lifting components, each group of hydraulic lifting components comprises a hydraulic cylinder (7) and a supporting frame (8), the cylinder bodies of the hydraulic cylinders (7) of the hydraulic lifting components are fixedly connected to the ground on the outer side of the bottom plate (1), and the piston rods of the hydraulic cylinders (7) of the hydraulic lifting components are fixedly connected with the outer wall of the kettle body (2) through the supporting frames (8) of the hydraulic lifting components.
4. A vacuum drying apparatus according to claim 3, wherein: still include at least a set of lift detection subassembly, every group lift detection subassembly all includes limit switch mounting bracket (9) and two limit switches (10), every group limit switch mounting bracket (9) of lift detection subassembly all are located one side of a set of hydraulic lifting subassembly that corresponds, every group two limit switches (10) of lift detection subassembly all install in same group on limit switch mounting bracket (9) of lift detection subassembly, one of them limit switch (10) are used for detecting whether support frame (8) of adjacent hydraulic lifting subassembly rise to the highest position, and another limit switch (10) are used for detecting whether support frame (8) of adjacent hydraulic lifting subassembly fall to the lowest position.
5. A vacuum drying apparatus according to claim 1, wherein: the air suction channel system (5) comprises a vacuum suction main pipeline and an external air communication pipeline, one end of the vacuum suction main pipeline is communicated with a third port of the three-way joint through a hose, the other end of the vacuum suction main pipeline is connected with an external vacuum suction device, a valve A (11) is arranged in the middle of the vacuum suction main pipeline, the vacuum suction main pipeline between one end of the vacuum suction main pipeline and the external air communication pipeline are communicated, and a valve B (12) is arranged on the external air communication pipeline.
6. A vacuum drying apparatus according to claim 5, wherein: the vacuum pumping main pipeline between the valve A (11) and one end of the vacuum pumping main pipeline is also communicated with a nitrogen input pipeline, and a valve C (13) is arranged on the nitrogen input pipeline.
7. A vacuum drying apparatus according to claim 1, wherein: the bottom of the bottom plate (1) is provided with a plurality of travelling wheels (14).
8. A vacuum drying apparatus according to claim 7, wherein: the ground below the bottom plate (1) is provided with a plurality of rails (15) matched with the travelling wheels (14).
9. A vacuum drying apparatus according to claim 8, wherein: and each track (15) is provided with a positioning stop block (16) respectively.
10. A vacuum drying apparatus according to claim 7, wherein: the material placing frame assembly comprises a plurality of layers of hollow heating plates (17) which are sequentially arranged from top to bottom, a water filling space B for filling water is arranged in each hollow heating plate (17), each two adjacent hollow heating plates (17) are supported by a supporting block (18), one end of a water outlet pipe (21) which is communicated with the water filling space B of the hollow heating plate (17) and is positioned at the lowest layer is also supported by the supporting block (18), a water guide pipe (19) is further communicated between each two adjacent hollow heating plates (17), the water guide pipe (19) is communicated with the water filling spaces B of the two adjacent hollow heating plates (17), one end of a water inlet pipe (20) which is communicated with the water filling space B of the hollow heating plate (17) is connected to the hollow heating plate (17) at the lowest layer, the other end of the water outlet pipe (21) and the other end of the water inlet pipe (20) are respectively communicated with the water outlet pipe (20) from the lower side of the bottom plate (1) and the water outlet pipe (20) through the water outlet pipe hose, the other end of the water outlet pipe is communicated with the water outlet hose (20) through the water outlet hose, a material containing disc (22) is arranged on each hollow heating plate (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323107542.2U CN221279797U (en) | 2023-11-17 | 2023-11-17 | Vacuum drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323107542.2U CN221279797U (en) | 2023-11-17 | 2023-11-17 | Vacuum drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221279797U true CN221279797U (en) | 2024-07-05 |
Family
ID=91701682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323107542.2U Active CN221279797U (en) | 2023-11-17 | 2023-11-17 | Vacuum drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221279797U (en) |
-
2023
- 2023-11-17 CN CN202323107542.2U patent/CN221279797U/en active Active
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