CN111637689A - Novel vacuum drying oven - Google Patents
Novel vacuum drying oven Download PDFInfo
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- CN111637689A CN111637689A CN202010391336.0A CN202010391336A CN111637689A CN 111637689 A CN111637689 A CN 111637689A CN 202010391336 A CN202010391336 A CN 202010391336A CN 111637689 A CN111637689 A CN 111637689A
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- pipe
- drying
- drying chamber
- vacuum
- heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
- F26B9/066—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers the products to be dried being disposed on one or more containers, which may have at least partly gas-previous walls, e.g. trays or shelves in a stack
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/10—Heating arrangements using tubes or passages containing heated fluids, e.g. acting as radiative elements; Closed-loop systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/005—Treatment of dryer exhaust gases
- F26B25/007—Dust filtering; Exhaust dust filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/08—Parts thereof
- F26B25/12—Walls or sides; Doors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
- F26B5/044—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum for drying materials in a batch operation in an enclosure having a plurality of shelves which may be heated
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Sustainable Development (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a novel vacuum drying oven, which belongs to the technical field of material drying, wherein a drying cabinet is arranged in a main oven body, a plurality of drying chambers are arranged in the drying cabinet, a heating assembly is arranged on the back surface of the drying cabinet, a vacuum compression assembly is arranged below the drying cabinet and in a base, a cleaning assembly is arranged at the bottom end in the drying chamber, and a control switch is arranged above the base and on one side of the main oven body, the novel vacuum drying oven is scientific and reasonable and is safe and convenient to use, the material heating efficiency is improved by utilizing the modes of vacuumizing the interior of the drying chamber and heating a flow passage, meanwhile, the interior of the drying chamber is indirectly heated, the pollution to the material in the drying process is avoided, the vacuumized gas is filtered, the pollution to the environment caused by the pumped gas is also avoided, and the environmental sanitation is effectively protected, meanwhile, the chamfer angle of the drying cabinet is excessively processed, so that the drying cabinet is more convenient to clean.
Description
Technical Field
The invention relates to the technical field of material drying, in particular to a novel vacuum drying oven.
Background
With the continuous development of society and the continuous progress of science and technology, the medical level of society is also continuously improved, and the improvement of medical level is not independent from the production and the manufacturing of medicine, in the production and the manufacturing process of medicine, the stoving of medicine raw materials is the indispensable step, and current drying device for medicine production has following shortcoming when using:
1. when the existing drying box for medicine production is used, the drying efficiency of medicine raw materials is low, so that the medicine drying time is prolonged, and the production yield of medicines is reduced;
2. when the existing drying box for medicine production is used, the interior of the drying box is heated unevenly, so that the medicine is dried unevenly, the drying effect of the medicine is influenced, the humidity of medicine raw materials is inconsistent, and the normal production of the medicine is influenced;
3. when the existing drying box for medicine production is used, the interior of the medicine drying box is inconvenient to clean, so that different medicines are easy to pollute when being dried in the same drying box;
therefore, a new vacuum drying oven is urgently needed to solve the above problems.
Disclosure of Invention
The invention aims to provide a novel vacuum drying oven to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a novel vacuum drying oven comprises a base and a main oven body, wherein the main oven body is arranged above the base, one side of the main oven body is provided with an oven door through a door hinge, the middle part of the oven door is embedded with an observation sight glass which is a transparent sight glass and is used for observing the drying condition of materials in the main oven body, a sealing strip is arranged around one side part of the oven door close to the main oven body and is used for keeping the sealing property of the connection between the oven door and the main oven body and the vacuum degree in the drying oven, so that the drying efficiency of the materials is improved, the drying oven is arranged in the main oven body, an arc angle is adopted between one side of the drying oven close to the oven door and the main oven body for excessive treatment, a mould is pressed and molded, no dead angle exists, the drying oven is easy to clean, a plurality of drying chambers are arranged in the, the drying device is characterized in that materials to be dried are placed on the drying tray, the connecting position of the inner wall of the drying chamber is subjected to arc-shaped excessive treatment, a mold is pressed and molded, no dead angle is formed, the drying device is easy to clean, a heating assembly is installed on the back surface of the drying cabinet and used for heating the inside of the drying chamber, a plate-type heat exchange structure is adopted, a shell heat transfer structure is adopted, heating is more uniform, the temperature difference inside the drying chamber is small, the material drying efficiency is improved, a vacuum compression assembly is installed below the drying cabinet and located inside the base and used for vacuumizing the inside of the drying chamber, meanwhile, the vacuum compression assembly is also used for compressing extracted gas, heat generated in the gas compression and condensation process is released again between the drying chambers and used for heating the drying chamber, five surfaces of the drying chamber are uniformly heated, and meanwhile, still accomplish cyclic utilization as the heat source of drying chamber heating through the gas compression of evacuation, the clearance subassembly is installed to the inside bottom of drying chamber, the clearance subassembly is used for clearing up drying chamber inside to, whole clearance process is pneumatic control, and the clearance effect is better, the base top is located main tank body one side and installs control switch, control switch is used for controlling for whole vacuum drying cabinet.
As a preferred technical scheme, the heating assembly comprises a heating channel, a collecting connecting pipe and a heat source inlet and outlet pipe;
the drying cabinet outside is encircleed and is provided with the heating channel, the heating channel corresponds drying chamber position department installation, the heating channel is used for realizing the heat exchange heating to drying chamber inside, has avoided causing the pollution to the inside material of drying chamber, connect through gathering the connecting pipe between the heating channel, the connecting pipe that gathers is connected with heat source feeding device for provide the heat source for the heating channel, through heat source exit tube between heating channel and the connecting pipe that gathers, the heat source exit tube is arranged in carrying the heat source in the connecting pipe that gathers to each heating channel, utilizes the heat source to realize heating channel and the inside heat exchange of drying chamber, realizes the heating up to drying chamber inside.
According to the preferable technical scheme, the bottom end of one side, close to the box door, of the drying cabinet is provided with a vacuumizing hole;
the vacuum compression assembly comprises a vacuum pumping pipe, a supercharger, a compression pipe, a heat dissipation coil pipe, a communicating pipe and a drain pipe;
the vacuum tube is located below the vacuumizing hole, the vacuum tube is in sealing connection with the vacuumizing hole, the vacuum tube is far away from one end of the vacuumizing hole and is provided with a supercharger, the supercharger is not only used for vacuumizing the inside of the drying cavity and improving the drying efficiency of materials in the drying cavity, but also used for supercharging the pumped gas to enable the gas to be condensed into water through supercharging, the gas is condensed into water through supercharging, the heat is released in the process of condensing the gas into water, the heat is used as a heat source for heating the drying cavity, the heating of the drying cavity is realized, the pollution to the environment caused by the direct emission of the gas is avoided, meanwhile, the heating of the drying cavity is realized, the energy is saved and the environment is protected, the supercharging end of the supercharger is provided with a compression tube, one end of the compression tube is provided with a plurality of heat dissipation coils, the diameters of the plurality of heat dissipation coils are gradually changed, and the diameters of the heat dissipation, the gas pressure at the air inlet end of the heat dissipation coil is P1, the gas pressure at the air outlet end of the heat dissipation coil is P2, P1 is more than P2, when the diameter of the air inlet end of the heat dissipation coil is the same as that of the air outlet end, the gas is compressed inside the heat dissipation coil to release heat, so that the gas pressure at the air outlet end of the heat dissipation coil is reduced, in order to discharge the gas pressure inside the heat dissipation coil, the supercharger needs to provide larger energy to increase the gas pressure at the air outlet end of the heat dissipation coil, so that the gas at the air outlet end of the heat dissipation coil can be discharged more smoothly, the diameter of the air inlet end of the heat dissipation coil is larger than that of the air outlet end, so that the gas volume at the air outlet end of the heat dissipation coil is reduced, the gas flow rate and gas pressure are increased, the gas at the same time, the load of the supercharger can be reduced, so that the supercharger can realize the compression and discharge, also more energy-conservation, through communicating pipe and drain pipe intercommunication between the heat dissipation coil pipe, the drain pipe is used for gathering the condensate water that produces among the heat dissipation coil pipe inside gas compression process, the trap is installed to drain pipe one end, the trap is used for discharging the condensate water that produces.
As a preferred technical scheme, a filter is installed on the vacuumizing pipe and used for filtering gas generated in the vacuumizing process inside the drying chamber, and the problem that the environment is polluted because the gas generated in the material drying process is directly pumped out is avoided.
As the preferred technical scheme, the cleaning assembly comprises a corrugated pipe and a cleaning push plate;
the bellows is located the inside closed one end of drying chamber, bellows one end fixed mounting has the clearance push pedal, laminate each other between clearance push pedal and the drying chamber inner wall, the bellows is as the driving source that the clearance push pedal removed, promotes the clearance push pedal and removes in drying chamber is inside, clears up drying chamber is inside to, utilize the bellows as the power supply, make when not using the clearance subassembly, can compress the bellows, make the clearance subassembly can not occupy great space inside drying chamber, can not influence the normal drying of material in drying chamber inside.
As a preferred technical scheme, the cleaning assembly further comprises an air supply pipe and an air exhaust pipe;
the air supply pipe is connected to one side of the compression pipe, the air supply pipe is connected with the plurality of corrugated pipes through a shunt connection pipe, the air supply pipe is provided with a first electromagnetic valve, the first electromagnetic valve is opened by a control switch to convey compressed air of the supercharger to the interior of the corrugated pipes through the air supply pipe and the shunt connection pipe, so that the corrugated pipes can be expanded to clean the drying chamber, a power source is not additionally added to be used as power for cleaning the drying chamber, meanwhile, the condition that the innermost side of the drying chamber cannot be cleaned in the manual cleaning process is avoided, the cleaning efficiency of the cleaning mode on the drying chamber is higher, one side of the vacuum pumping pipe is connected with an exhaust pipe, the exhaust pipe is connected with the plurality of corrugated pipes through a manifold pipe, the exhaust pipe is provided with a second electromagnetic valve, and the second electromagnetic valve is opened by a control switch, utilize the power of booster compressor evacuation to take out the inside gas of bellows for the bellows returns to original state, can not influence the dry space of material next time, more convenient and fast, control switch's output electric connection booster compressor, first solenoid valve and second solenoid valve's input.
As preferred technical scheme, the clearance push pedal is close to chamber door one side portion and encircles and be provided with the clearance scraper blade, utilizes the clearance scraper blade closely to laminate the dry chamber inner wall, in the inside condition at no dead angle of dry chamber for inside by the clearance scraper blade clean up of dry chamber does not need manual operation, more convenient and fast.
As a preferred technical scheme, a heating system for providing a heat source for the heating assembly is integrated in the base, so that the heat source after heat exchange can be heated again, and a supply cycle is realized.
As a preferred technical scheme, the shunt connecting pipe, the collecting pipe and the drying chamber are all in welded connection, so that the problem that in the process of vacuumizing the drying chamber, external gas enters the drying chamber through a gap between the shunt connecting pipe and the drying chamber and a gap between the collecting pipe and the drying chamber to influence the vacuumizing of the drying chamber is avoided.
Hollow round platform breakwater is installed to the inside bottom of compression pipe, hollow round platform breakwater is used for collecting the condensate water along the compression pipe backward flow, avoids the condensate water trickling to get into in the booster compressor, umbelliform breakwater is installed through connecting the dead lever in hollow round platform breakwater top, umbelliform breakwater is used for collecting the condensate water along the whereabouts of compression pipe central line, makes it trickle along the compression pipe lateral wall, avoids falling into in the booster compressor, and simultaneously, utilizes the interval distribution of hollow round platform breakwater and umbelliform breakwater, can not influence the normal flow of compressed gas, can not cause the influence to the exothermic process of gas compression, the collector pipe is installed to hollow round platform breakwater one side, install drainage valve on the collector pipe, collector pipe and drainage valve are used for discharging the condensate water of collecting.
As preferred technical scheme, heat dissipation coil pipe is arranged in the lateral wall between two adjacent drying chambers, in order to make can heat the upper and lower side of drying chamber for the inside material of drying chamber is heated more evenly, improves the drying effect of the inside material of drying chamber.
Compared with the prior art, the invention has the beneficial effects that:
1. the utilization is to the mode of the inside evacuation of drying chamber and runner heating, improves the efficiency of material heating, simultaneously, carries out indirect heating to drying chamber inside, has avoided causing the pollution to the material in the drying process to, filter the gas of evacuation, also avoided the gas of taking out to cause the pollution to the environment, protected sanitation effectively, simultaneously, the chamfer excess treatment of drying cabinet makes the convenience more to the clearance of drying cabinet.
2. Utilize the booster compressor to carry out the pressure boost to the inside gas of taking out of drying chamber and condense, and carry the air of compression to the heat dissipation coil pipe of installation between the drying chamber, the radiating heat heats about the in-process of utilizing gas compression condensate water, further realized the heating to drying chamber inside, and, gaseous cyclic utilization has been realized, more energy-concerving and environment-protective, avoided gaseous direct emission to cause the pollution to the environment, the drying effect of material has been improved, make the material be heated dry more even.
3. Utilize the air of booster compressor compression to make the bellows inflation, propelling movement clearance push pedal is cleared up drying chamber is inside, the problem of artifical unable fine clearing up drying chamber is inside has been solved, and, whole in-process does not need artifical clearance, great saving the labour, also more quick to drying chamber's clearance, utilize the bellows to carry out the propelling movement to the clearance push pedal, make occupation space to drying chamber inside littleer, can not influence the normal drying to the material, utilize the booster compressor to extract air to drying chamber inside vacuumed effort to bellows inside, make the bellows return the normal position, can not cause the influence to the normal drying of material.
4. Through the umbrella-shaped water baffle and the hollow circular truncated cone water baffle that set up for the produced condensate water of compressed gas can not flow along with the compression pipe and get into the booster compressor, makes can effectually collect the condensate water that the compressed gas produced, has avoided causing the influence to the normal use of booster compressor.
Drawings
FIG. 1 is an isometric view of a novel vacuum drying oven of the present invention;
FIG. 2 is a schematic structural diagram of the installation back of a drying cabinet of the novel vacuum drying oven of the invention;
FIG. 3 is a schematic view of an installation structure of a vacuum compression assembly of the novel vacuum drying oven of the present invention;
FIG. 4 is a front view of a vacuum compression assembly of the novel vacuum drying oven of the present invention;
FIG. 5 is a schematic view of the back side of the vacuum compression assembly of the novel vacuum drying oven of the present invention;
FIG. 6 is a schematic structural view of a vacuum compression assembly of the novel vacuum drying oven of the present invention;
FIG. 7 is a schematic view of the installation position of the drain pipe in the vacuum compression assembly of the novel vacuum drying oven of the present invention;
FIG. 8 is a schematic view of the installation structure of a cleaning assembly of the novel vacuum drying oven of the present invention;
FIG. 9 is a schematic view of the installation structure of the air supply pipe and the air exhaust pipe of the cleaning assembly of the novel vacuum drying oven of the present invention;
FIG. 10 is a schematic view of the interior of a heat-dissipating coil of a novel vacuum drying oven according to the present invention;
FIG. 11 is a schematic view of the interior of a compression tube of a novel vacuum drying oven according to the present invention;
fig. 12 is a schematic view of an umbrella-shaped water baffle of the vacuum drying oven according to the present invention.
Reference numbers in the figures: 1. a base; 2. a main box body; 3. a drying cabinet; 4. a drying chamber;
501. a heating channel; 502. a collecting connecting pipe; 503. a heat source inlet pipe and a heat source outlet pipe;
6. a vacuum compression assembly; 601. vacuumizing a tube; 602. a supercharger;
603. compressing the tube; 6031. an umbrella-shaped water baffle; 6032. connecting a fixed rod; 6033. a hollow round platform water baffle; 6034. a water collection pipe; 6035. a drain valve;
604. a heat-dissipating coil pipe; 6041. a baffle plate; 6042. a water flow trough;
605. a communicating pipe; 606. a drain pipe;
701. a bellows; 702. cleaning the push plate; 703. a gas supply pipe; 704. a shunt connecting pipe; 705. a first solenoid valve; 706. an exhaust pipe; 707. a manifold; 708. a second solenoid valve; 709. cleaning a scraper;
8. a door hinge; 9. a box door; 10. an observation sight glass; 11. a sealing strip; 12. a control switch; 13. vacuumizing holes; 14. and (3) a filter.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b): as shown in fig. 1 to 9, a novel vacuum drying oven comprises a base 1 and a main box body 2, the main box body 2 is arranged above the base 1, a box door 9 is installed on one side of the main box body 2 through a door hinge 8, an observation sight glass 10 is embedded in the middle of the box door 9, the observation sight glass 10 is a transparent sight glass and is used for observing the drying condition of materials in the main box body 2, a sealing strip 11 is arranged around the box door 9 close to one side of the main box body 2 and is used for maintaining the sealing property of the connection between the box door 9 and the main box body 2 and the vacuum degree in the drying cabinet 3, the drying efficiency of the materials is improved, the drying cabinet 3 is installed in the main box body 2, the drying cabinet 3 close to one side of the box door 9 and the main box body 2 are subjected to arc angle excess treatment, a mold is pressed and formed, no dead angle exists, the drying, the drying chamber 4 is internally used for placing a drying tray, materials to be dried are placed on the drying tray, the inner wall joint of the drying chamber 4 is subjected to arc-shaped excessive treatment, a mold is pressed and molded, no dead angle exists, the cleaning is easy, the heating assembly 5 is installed on the back surface of the drying cabinet 3, the heating assembly 5 is used for heating the interior of the drying chamber 4, a plate-type heat exchange structure is adopted, a shell heat transfer structure enables the heating to be more uniform, the temperature difference of the interior of the drying chamber 4 is small, the material drying efficiency is improved, a vacuum compression assembly 6 is installed inside the base 1 below the drying cabinet 3 and used for vacuumizing the interior of the drying chamber 4, meanwhile, the vacuum compression assembly is also used for compressing the extracted gas, the heat generated in the gas compression and condensation process is released again between the drying chambers 4 and used for heating the drying chamber 4, make five faces of drying chamber 4 be heated evenly, simultaneously, still through the gas compression of evacuation as the heat source of drying chamber 4 heating, cyclic utilization has been accomplished, cleaning assembly 7 is installed to the inside bottom of drying chamber 4, cleaning assembly 7 is used for clearing up drying chamber 4 is inside, and, whole clearance process is pneumatic control, the clearance effect is better, base 1 top is located 2 one sides of the main tank body and installs control switch 12, control switch 12 is used for controlling for whole vacuum drying cabinet.
Heating element includes heating channel 501, collect connecting pipe 502 and heat source business turn over pipe 503, 3 outsides of drying cabinet encircle and are provided with heating channel 501, heating channel 501 corresponds the installation of 4 position departments of drying chamber, heating channel 501 is used for realizing the heat exchange heating to drying chamber 4 inside, avoided causing the pollution to the inside material of drying chamber 4, collect the connection through collecting connecting pipe 502 between heating channel 501, it is connected with heat source feeding device to collect connecting pipe 502, be used for providing the heat source for heating channel 501, heating channel 501 and collect through heat source business turn over pipe 503 between connecting pipe 502, heat source business turn over pipe 503 is arranged in carrying the heat source in the connecting pipe 502 that will collect to each heating channel 501, utilize the heat source to realize heating channel 501 and the inside heat exchange of drying chamber 4, the realization is to the inside intensification heating of drying chamber 4.
The bottom end of one side of the drying cabinet 3 close to the cabinet door 9 is provided with a vacuum hole 13;
the vacuum compression assembly 6 comprises a vacuum pipe 601, a supercharger 602, a compression pipe 603, a heat radiation coil 604, a communication pipe 605 and a drain pipe 606, the vacuum pipe 601 is located below the vacuuming hole 13, the vacuum pipe 601 is hermetically connected with the vacuuming hole 13, the supercharger 602 is installed at one end of the vacuum pipe 601 far away from the vacuuming hole 13, the supercharger 602 is not only used for vacuumizing the inside of the drying chamber 4, so as to improve the drying efficiency of the material inside the drying chamber 4, but also used for pressurizing the gas to be pumped out, so that the gas is condensed into water through pressurization, the heat is released in the process of gas pressurization and condensation into water, the heat is used as a heat source for heating the drying chamber 4, the heating of the drying chamber 4 is realized, the pollution of the environment caused by the direct discharge of the gas is avoided, meanwhile, the heating of the drying chamber 4 is realized, energy conservation and environmental protection are achieved, the compression pipe 603 is installed at, the compressor 602 needs to provide greater energy to increase the gas pressure at the outlet end of the heat dissipation coil 604 so that the gas at the outlet end of the heat dissipation coil 604 can be discharged more smoothly, and the diameter of the inlet end of the heat dissipation coil 604 is greater than the diameter of the outlet end of the heat dissipation coil 604 so that the gas pressure at the outlet end of the heat dissipation coil 604 is reduced, so that the gas volume at the outlet end of the heat dissipation coil 604 is reduced, gas flow rate and gas pressure increase, be favorable to heat dissipation coil 604 to give vent to anger the discharge of end gas more, and simultaneously, can reduce the load of booster compressor 602, make booster compressor 602 need not provide great power supply and can realize gaseous compression and discharge, also more energy-conserving, through communicating pipe 605 and drain pipe 606 intercommunication between the heat dissipation coil 604, drain pipe 606 is used for gathering the condensate water that produces among the inside gas compression process of heat dissipation coil 604, the trap is installed to drain pipe 606 one end, the trap is used for discharging the condensate water that produces.
Radiating coil 604 internally mounted has a plurality of baffle 6041 opposite with the gas flow direction, and baffle 6041 is in order to increase gaseous at the inside resistance of radiating coil 604, simultaneously, increases gaseous pressure for more gaseous is inside compressed and gives out the heat at radiating coil 604, water flow groove 6042 has been seted up to the circular arc bottom that baffle 6041 encloses, and water flow groove 6042 is for not influencing the water after condensing in the inside flow of radiating coil 604, in order not to influence the discharge of condensate.
The vacuum-pumping pipe 601 is provided with the filter 14, and the filter 14 is used for filtering gas generated in the vacuum-pumping process in the drying chamber 4, so that the pollution to the environment caused by directly pumping out the gas generated in the material drying process is avoided.
The clearance subassembly includes bellows 701 and clearance push pedal 702, bellows 701 is located 4 internally closed one ends of drying chamber, bellows 701 one end fixed mounting has clearance push pedal 702, laminate each other between clearance push pedal 702 and the 4 inner walls of drying chamber, bellows 701 is as the driving source that clearance push pedal 702 removed, promote clearance push pedal 702 and remove 4 internally at drying chamber, clear up 4 inside drying chamber, and, utilize bellows 701 as the power supply, make when not using the clearance subassembly, can compress bellows 701, make the clearance subassembly can not occupy great space in 4 inside drying chambers, can not influence the normal drying of material in 4 inside drying chambers.
The cleaning assembly 7 further comprises an air supply pipe 703 and an air exhaust pipe 706, one side of the compression pipe 603 is connected with the air supply pipe 703, the air supply pipe 703 is connected with the plurality of corrugated pipes 701 through a shunt connection pipe 704, a first electromagnetic valve 705 is installed on the air supply pipe 703, the first electromagnetic valve 705 is opened by using the control switch 12 to convey the compressed air of the supercharger 602 to the interior of the corrugated pipes 701 through the air supply pipe 703 and the shunt connection pipe 704, so that the corrugated pipes 701 can be expanded to clean the drying chamber 4 without additionally increasing a power source as the power for cleaning the drying chamber 4, meanwhile, the condition that the innermost side of the drying chamber 4 cannot be cleaned in the manual cleaning process is avoided, in addition, the cleaning efficiency of the drying chamber 4 is higher by the cleaning mode, the air exhaust pipe 706 is connected with one side of the vacuum pipe 601, and the air exhaust pipe 706 is connected with the plurality of corrugated pipes 701 through, install second solenoid valve 708 on the blast pipe 706, utilize control switch 12 to open second solenoid valve 708, utilize the power of booster 602 evacuation to take out the inside gas of bellows 701 for bellows 701 returns to original state, can not influence the dry space of next time material, more convenient and fast, the input of booster 602, first solenoid valve 705 and second solenoid valve 708 of output electric connection of control switch 12.
The clearance push pedal 702 is close to 9 a side limit portion of chamber door and encircles and be provided with clearance scraper blade 709, utilizes clearance scraper blade 709 closely to laminate the inside 4 inner walls of drying chamber, at the inside condition at no dead angle of drying chamber 4 for inside by the clearance scraper blade 709 clean up of drying chamber 4 does not need manual operation, more convenient and fast.
The base 1 is internally integrated with a heating system for providing a heat source for the heating assembly, so that the heat source after heat exchange can be reheated to realize a supply cycle.
The shunt connecting pipe 704 and the collecting pipe 707 are both connected by welding with the drying chamber 4, so that in the process of vacuumizing the inside of the drying chamber 4, external gas enters the inside of the drying chamber 4 through a gap between the shunt connecting pipe 704 and the drying chamber 4 and a gap between the collecting pipe 707 and the drying chamber 4, and the vacuumizing of the drying chamber 4 is not influenced.
Hollow round platform breakwater 6033 is installed to the inside bottom of compression pipe 603, hollow round platform breakwater 6033 is used for collecting the condensate water along the compression pipe 603 backward flow, avoid condensate water trickling to get into in booster compressor 602, hollow round platform breakwater 6033 top is through connecting dead lever 6032 and install umbelliform breakwater 6031, umbelliform breakwater 6031 is used for collecting the condensate water along the whereabouts of compression pipe 603 central line, make it trickle along compression pipe 603 lateral wall, avoid falling into in booster compressor 602, and simultaneously, utilize hollow round platform breakwater 6033 and umbelliform breakwater 6031's interval distribution, can not influence compressed gas's normal flow, can not lead to the fact the influence to the exothermic process of gas compression, water collector 6034 is installed to hollow round platform breakwater 6033 one side, install drainage valve 6035 on the water collector 6034, water collector 6034 and drainage valve 6035 are used for discharging the condensate water of collecting.
The heat dissipation coil 604 is located in the side wall between two adjacent drying chambers 4, so that the upper side and the lower side of each drying chamber 4 can be heated, the material inside each drying chamber 4 is heated more uniformly, and the drying effect of the material inside each drying chamber 4 is improved.
The working principle is as follows: in the process of using the novel vacuum drying oven, firstly, the material to be dried is placed on a tray, then, the tray with the material placed is placed inside the drying chamber 4, the door 9 is closed, the booster 602 is started, the booster 602 vacuumizes the inside of the drying chamber 4 through the vacuum tube 601 and the vacuum hole 13, in the process of vacuuming, the extracted gas is filtered by the filter 14, the gas containing impurities is prevented from being discharged to pollute the environment, the booster 602 boosts the gas extracted from the inside of the drying chamber 4, and conveys the boosted gas to the radiating coil 604, after the gas is boosted, the gas is condensed into water, the condensed water is discharged through the drain pipe 606 and the drain valve, in the process of condensing the gas into water, the heat can be radiated, and the radiated heat is radiated by the radiating coil 604, the upper surface and the lower surface of the drying chamber 4 are heated, the drying chamber 4 is heated by utilizing the principle that water is condensed by gas compression in the process, the environment is more environment-friendly and energy-saving, the heat source heating system integrated in the base 1 conveys the heated heat source into the heating channel 501 through the summarizing connecting pipe 502 and the heat source inlet and outlet pipe 503, the side wall of the drying chamber 4 is heated by utilizing the heating channel 501, the surrounding heating of the drying chamber 4 is realized, the material in the drying chamber 4 is heated more uniformly, the drying effect of the material is better, in addition, the drying efficiency of the material is higher in a vacuum environment, and in the material drying process, the drying condition of the material in the drying chamber 4 can be observed in real time through the observation sight glass 10;
after the material is dried, the box door 9 is opened, the dried material is taken out, at this time, the inner wall of the drying chamber 4 can be adhered with less raw material of the material, and the material needs to be cleaned, otherwise, the material is likely to be polluted when the drying chamber is used again next time, at this time, the supercharger 602 is continuously started, the first electromagnetic valve 705 is opened, the gas extracted by the supercharger 602 is conveyed to the inside of the corrugated pipe 701 through the gas supply pipe 703 and the shunt connecting pipe 704, so that the corrugated pipe 701 expands, the cleaning push plate 702 is driven to move in the drying chamber 4, as the inside of the drying chamber 4 is excessively treated by adopting a fillet, the inside of the drying chamber 4 can be treated more cleanly when the inside of the drying chamber 4 is treated by utilizing the cleaning push plate 702 and the cleaning scraper 709, and the inside of the drying chamber 4 is more favorably cleaned by utilizing the cleaning mode that the corrugated pipe 701 pushes the cleaning push plate 702, after the inside clearance of drying chamber 4 is accomplished to clearance push pedal 702 and clearance scraper 709, open second solenoid valve 708, make the inside gas of bellows 701 in collection pipe 707, exhaust pipe 706, vacuum tube 601 and booster compressor 602 are taken out down, make bellows 701 and clearance push pedal 702 return the normal position, utilize bellows 701 and the air supply pipe 703 and the exhaust pipe 706 of being connected with heating element to realize the clearance to drying chamber 4, more convenient and fast, and, can not occupy the inside more space of drying chamber 4, can not influence the normal drying of material.
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 (10)
1. The utility model provides a novel vacuum drying oven, this vacuum drying oven include base (1) and main tank body (2), base (1) top is provided with main tank body (2), chamber door (9) are installed through hinge (8) in main tank body (2) one side, chamber door (9) middle part embedding is installed observation mirror (10), chamber door (9) are close to main tank body (2) a side portion and encircle and are provided with sealing strip (11), its characterized in that: the drying cabinet is characterized in that the drying cabinet (3) is arranged inside the main box body (2), a plurality of drying chambers (4) are arranged inside the drying cabinet (3), the heating assembly (5) is arranged on the back surface of the drying cabinet (3), the vacuum compression assembly (6) is arranged inside the base (1) below the drying cabinet (3), the cleaning assembly (7) is arranged at the bottom inside the drying chambers (4), and the control switch (12) is arranged on one side of the main box body (2) above the base (1).
2. The novel vacuum drying oven as claimed in claim 1, characterized in that: the heating assembly comprises a heating channel (501), a summary connecting pipe (502) and a heat source inlet and outlet pipe (503);
drying cabinet (3) outside is encircleed and is provided with heating channel (501), heating channel (501) correspond drying chamber (4) position department installation, connect through summarizing connecting pipe (502) between heating channel (501), through heat source business turn over pipe (503) between heating channel (501) and summarizing connecting pipe (502).
3. The novel vacuum drying oven as claimed in claim 1, characterized in that: the bottom end of one side of the drying cabinet (3) close to the cabinet door (9) is provided with a vacuum-pumping hole (13);
the vacuum compression assembly (6) comprises a vacuum-pumping pipe (601), a supercharger (602), a compression pipe (603), a heat-dissipation coil pipe (604), a communicating pipe (605) and a water drainage pipe (606);
the vacuum tube (601) is located below the vacuumizing hole (13), the vacuum tube (601) is in sealing connection with the vacuumizing hole (13), one end, far away from the vacuumizing hole (13), of the vacuum tube (601) is provided with a supercharger (602), the supercharging end of the supercharger (602) is provided with a compression tube (603), one end of the compression tube (603) is provided with a plurality of heat dissipation coil pipes (604), the heat dissipation coil pipes (604) are communicated with a water drainage pipe (606) through a communication tube (605), and one end of the water drainage pipe (606) is provided with a drain valve;
the vacuum tube (601) is provided with a filter (14).
4. The novel vacuum drying oven as claimed in claim 3, characterized in that: the diameters of the plurality of heat dissipation coil pipes (604) gradually change, and the diameters of the air inlet ends of the plurality of heat dissipation coil pipes (604) are larger than the diameters of the air outlet ends.
5. The novel vacuum drying oven as claimed in claim 4, characterized in that: the cleaning assembly comprises a corrugated pipe (701) and a cleaning push plate (702);
bellows (701) are located drying chamber (4) inside closed one end, bellows (701) one end fixed mounting has clearance push pedal (702), laminate each other between clearance push pedal (702) and drying chamber (4) inner wall.
6. The novel vacuum drying oven as claimed in claim 5, characterized in that: the cleaning assembly (7) further comprises an air supply pipe (703) and an air exhaust pipe (706);
compression pipe (603) one side is connected with air supply pipe (703), be connected through shunt connection pipe (704) between air supply pipe (703) and a plurality of bellows (701), install first solenoid valve (705) on air supply pipe (703), evacuation pipe (601) one side is connected with blast pipe (706), be connected through collecting pipe (707) between blast pipe (706) and a plurality of bellows (701), install second solenoid valve (708) on blast pipe (706), utilize control switch (12) to open second solenoid valve (708), the output electric connection booster compressor (602) of control switch (12), the input of first solenoid valve (705) and second solenoid valve (708).
7. The novel vacuum drying oven as claimed in claim 6, characterized in that: the cleaning scraping plate (709) is arranged on one side of the cleaning pushing plate (702) close to the box door (9) in a surrounding mode.
8. The novel vacuum drying oven as claimed in claim 1, characterized in that: the base (1) is internally integrated with a heating system for providing a heat source for the heating assembly.
9. The novel vacuum drying oven as claimed in claim 3, characterized in that: hollow round platform breakwater (6033) are installed to the inside bottom of compression pipe (603), umbelliform breakwater (6031) are installed through connecting dead lever (6032) to hollow round platform breakwater (6033) top, hollow round platform breakwater (6033) one side is installed header pipe (6034), install drain valve (6035) on header pipe (6034).
10. The novel vacuum drying oven as claimed in claim 3, characterized in that: the heat dissipation coil (604) is located in the side wall between two adjacent drying chambers (4).
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