CN111238173B - Device for drying and circulating feeding - Google Patents
Device for drying and circulating feeding Download PDFInfo
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- CN111238173B CN111238173B CN202010168355.7A CN202010168355A CN111238173B CN 111238173 B CN111238173 B CN 111238173B CN 202010168355 A CN202010168355 A CN 202010168355A CN 111238173 B CN111238173 B CN 111238173B
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- ball valve
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- 238000001035 drying Methods 0.000 title claims abstract description 171
- 239000000463 material Substances 0.000 claims abstract description 32
- 238000007599 discharging Methods 0.000 claims abstract description 25
- 230000001502 supplementing effect Effects 0.000 claims abstract description 16
- 238000003756 stirring Methods 0.000 claims abstract description 11
- 238000001914 filtration Methods 0.000 claims description 18
- 238000009423 ventilation Methods 0.000 claims description 17
- 238000005086 pumping Methods 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 64
- 229920003023 plastic Polymers 0.000 abstract description 20
- 239000004033 plastic Substances 0.000 abstract description 20
- 238000007791 dehumidification Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000011068 loading method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Classifications
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
-
- 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
-
- 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
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
-
- 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
- F26B25/04—Agitating, stirring, or scraping devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The embodiment of the invention discloses a device for drying and circulating feeding, which belongs to the technical field of dehumidification equipment and comprises a main body drying device, a circulating feeding device, a vacuumizing device and a discharging device, wherein the main body drying device is connected with the vacuumizing device, the main body drying device and a material sucking device are connected with the discharging device end to end, the main body drying device and the circulating feeding device are connected with the discharging device end to end, and the main body drying device is connected with the discharging device through an air supplementing device. When the device is used, the stirring motor stirs and heats plastic raw materials in the drying tank, the plastic raw materials are vacuumized through the vacuum pump, a vacuum environment is formed in the drying tank, the storage tee joint is positioned at the bottommost end of the main body drying device, the raw materials can fall into the storage tee joint, high-pressure drying air is introduced into the storage tee joint through the air supplementing device, the raw materials in the storage tee joint can be wrapped and clamped by air flow, enter a circulating feeding pipe of the circulating feeding device through a pipeline of the discharging device, and move to the top of the drying tank and fall down, so that the raw materials at the bottom of the drying tank are displaced to the top.
Description
Technical Field
The embodiment of the invention relates to the technical field of drying equipment, in particular to a drying circulation feeding device.
Background
When the mode of adopting microwave heating is dry for making the heating more even in plastic raw materials, increased the function of stirring in the drying vessel inside, however because the (mixing) shaft can't touch the bottommost of drying vessel, always there is a small part plastic raw materials to be stored at the drying vessel bottom mouth unable removal, this just leads to this part plastic raw materials to take place the inhomogeneous condition of being heated to influence drying efficiency. If a set of mechanical conveying device is added at the bottom of the drying tank, the plastic raw material at the bottom of the drying tank is conveyed to the top of the drying tank and poured from the upper opening of the drying tank, a large part of space is occupied, and the vacuum environment is affected. Based on the situation, the invention provides a device capable of maintaining a vacuum state to enable the plastic raw material at the bottommost part of the drying tank to move towards the top part of the drying tank.
Disclosure of Invention
Therefore, the embodiment of the invention provides a drying circulation feeding device, which is used for solving the problem that raw materials are not thoroughly dried due to uneven heating of the raw materials at the bottom of a drying tank in the prior art.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
The invention provides a drying and circulating feeding device, which comprises a base, and further comprises a main body drying device, a circulating feeding device, a vacuumizing device, a material sucking device, a gas supplementing device and a discharging device which are arranged on the base, wherein the main body drying device is connected with the vacuumizing device, the main body drying device and the material sucking device are connected with the discharging device end to end, the main body drying device and the circulating feeding device are connected with the discharging device end to end, the main body drying device is connected with one end of an angle valve of the gas supplementing device, and one end of a gas storage tank of the gas supplementing device is connected with the discharging device.
Further, main part drying device includes agitator motor, loading attachment, drying pot, second direct ball valve and microwave generator, installs microwave generator on the drying pot, and agitator motor is installed to the drying pot top, and the bottom of drying pot is provided with second direct ball valve, and second direct ball valve and discharge apparatus's storage tee bend entry fixed connection, and loading attachment is still installed on the drying pot top, and loading attachment first direct ball valve and drying pot inner chamber intercommunication.
Further, the vacuumizing device comprises a high-vacuum electromagnetic baffle valve, a vacuum pump filtering tank, a vacuum pump suction pump and a vacuum pump, wherein the high-vacuum electromagnetic baffle valve is arranged at the top end of the drying tank and communicated with the inner cavity of the drying tank, the high-vacuum electromagnetic baffle valve is arranged at one end of the vacuum pump filtering tank, the other end of the vacuum pump filtering tank is connected with the vacuum pump suction pump, and the vacuum pump suction pump is connected with the vacuum pump.
Further, the material sucking device comprises a first air port, a second butterfly valve, a fan filtering tank, a first butterfly valve and a fan, the first butterfly valve is installed at the top end of the drying tank, the inner cavity of the drying tank is connected with the second butterfly valve and the fan filtering tank respectively through the first butterfly valve, the second butterfly valve is connected with the first air port, and the fan filtering tank is connected with the fan.
Further, the discharging device comprises a storage tee joint, a fourth butterfly valve, a tee joint ball valve and a third butterfly valve, the inner cavity of the drying tank is connected with the inlet of the storage tee joint through the second straight-through ball valve, one outlet of the storage tee joint is connected with the fourth butterfly valve and the third straight-through ball valve of the circulating feeding device through a tee joint, the other outlet of the storage tee joint is connected with the tee joint ball valve and the third butterfly valve through a tee joint, and the third butterfly valve is connected with the air supplementing device.
Further, the air supplementing device comprises an angle valve, a high-pressure air tank, a dry air film and an air ventilation tee joint, wherein the dry air tank is connected with one end of the angle valve, the other end of the angle valve is connected with one air outlet of the air ventilation tee joint, the other air outlet of the air ventilation tee joint is connected with the high-pressure air tank, the high-pressure air tank is connected with a third butterfly valve, the third butterfly valve is connected with the other outlet of the storage tee joint, an air inlet of the air ventilation tee joint is connected with an air outlet of the dry air film, and an air inlet of the dry air film is connected with a high-pressure air source.
Further, a third through ball valve is arranged at the bottom of the drying tank, an inlet of the third through ball valve is communicated with the storage tee joint, and an outlet of the third through ball valve is communicated with the top of the drying tank through a circulating feeding pipe.
Further, the three-way ball valve comprises a second air port, a third air port and a fourth air port, the fourth air port is connected with the other outlet of the storage tee joint, the second air port is communicated with the outside, and the third air port is connected with the fan.
Further, loading attachment includes feed inlet and first ball valve that has always been installed on the drying cylinder top, and first ball valve one end and feed inlet fixed connection have always been installed, and the other end and the drying cylinder inner chamber intercommunication of ball valve have always been passed through.
The embodiment of the invention has the following advantages:
1. Through first logical ball valve, high vacuum electromagnetism baffle valve, first butterfly valve, angle valve, fourth butterfly valve, tee bend ball valve and third butterfly valve, maintained the vacuum environment of drying cylinder, isolated plastics raw materials and oxygen's contact can prevent effectively that plastics raw materials from being oxidized, and then protect the original material property of plastics raw materials.
2. When the raw materials circulate and walk the material, the high-pressure air source can fill dry air into the high-pressure air tank through the dry air film, form the malleation in the inflated in-process in the high-pressure air tank, simultaneously because the air in the drying tank is pumped away by the vacuum pump, form the negative pressure, form higher pressure differential between drying tank and high-pressure air tank from this, open the instant of third butterfly valve will form strong air current through pressure differential, promote the plastics raw materials that drying tank bottom falls into the storage tee bend and realized the displacement and walked the material through the circulation material pipe, thereby make the raw materials transfer to the drying tank top and fall down, solved the problem that the raw materials drying is incomplete because the drying tank bottom raw materials are heated unevenly and lead to.
3. Because the high-pressure air source enters the air supplementing device after filtering water through the dry air film, the air filled in the high-pressure air tank is dry air, and the dry air pushes the raw materials to circulate and feed, so that the source of water is effectively isolated in the circulation and feed process, and the problem of moisture absorption again after primary drying of the raw materials is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the invention, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present invention, should fall within the ambit of the technical disclosure.
Fig. 1 is a perspective view of a drying cycle feeding device according to an embodiment of the present invention;
fig. 2 is a left side view of a drying cycle feeding device according to an embodiment of the present invention;
FIG. 3 is a right side view of a drying cycle feeding device according to an embodiment of the present invention;
FIG. 4 is a view from direction A of FIG. 3 provided by an embodiment of the present invention;
FIG. 5 is a rear view of a drying cycle feeding device according to an embodiment of the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 5 at B provided by an embodiment of the present invention;
Fig. 7 is a front view of a drying cycle feeding device according to an embodiment of the present invention;
FIG. 8 is a block flow diagram of a device for drying and circulating feeding according to an embodiment of the present invention;
in the figure: 1a main body drying device; 11, a stirring motor; 12 feeding devices; 121 feed inlet; 122 a first pass ball valve; 13 a drying tank; 14 a second straight-through ball valve; 15 a microwave generator; 2, circulating a feeding device; a third straight ball valve 21; 22 circulating feeding pipes; 3, vacuumizing device; 31 high vacuum electromagnetic flapper valve; 32 vacuum pump filtration tanks; 33 vacuum pump suction; 34 vacuum pump; 4, a material sucking device; a number 41 tuyere; a second butterfly valve 42; 43 fan filter tank; 44 a first butterfly valve; a 45-degree fan; 5 an air supplementing device; a 51 angle valve; 52 high pressure gas tanks; 53 dry film; 54 a ventilation tee; 6, a discharging device; 61 storing tee; a fourth butterfly valve 62; 63 three-way ball valve; 631 No. two tuyere; 632 No. three air openings; 633 # tuyere; 64 third butterfly valve.
Detailed Description
Other advantages and advantages of the present invention will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-8, the invention provides a device for drying and circulating feeding, which comprises a base, and further comprises a main body drying device 1, a circulating feeding device 2, a vacuumizing device 3, a material sucking device 4, an air supplementing device 5 and a discharging device 6 which are arranged on the base, wherein the main body drying device 1 is connected with the vacuumizing device 3, and the vacuumizing device 3 enables the main body drying device 1 to keep a vacuum environment. The main body drying device 1, the material sucking device 4 and the discharging device 6 are connected end to end, raw materials can enter the main body drying device 1 through the material sucking device 4, and further, the raw materials are transferred and discharged through the discharging device 6. The main body drying device 1, the circulating feeding device 2 and the discharging device 6 are connected end to end, and raw materials transferred in the discharging device 6 can be recycled into the main body drying device 1 through the circulating feeding device 2. The main body drying device 1 is connected with one end of the air supplementing device 5, and the other end of the air supplementing device 5 is connected with the discharging device 6. The air pressure difference can be formed at two ends of the circulating feeding device 2 through the air supplementing device 5 and the vacuumizing device 3, then air flow is formed, raw material movement is wrapped by the air flow, so that raw materials can form circulating feeding through the circulating feeding device 2, raw materials at the bottom of the main body drying device 1 are moved to the top of the main body drying device 1 through the circulating feeding device 2, and the problem that raw materials are not thoroughly dried due to uneven heating of raw materials at the bottom of the drying tank 13 is solved.
According to one embodiment of the invention, the main body drying device 1 comprises a stirring motor 11, a feeding device 12, a drying tank 13, a second straight-through ball valve 14 and a microwave generator 15, wherein the microwave generator 15 is arranged on the side wall of the drying tank 13, the microwave generator 15 heats raw materials through microwaves, meanwhile, the stirring motor 11 is arranged at the top end of the drying tank 13, and the raw materials in the drying tank 13 are stirred through the stirring motor 11, so that the raw materials are heated more fully, and the drying effect of the raw materials is guaranteed. The bottom opening of the drying tank 13 is provided with a second through ball valve 14, the second through ball valve 14 is fixedly connected with the unloading device 6, and the dried raw materials can be saved from entering the unloading device 6 through the second through ball valve 14, so that a certain amount of raw materials are retained in the drying tank 13 and are dried. Meanwhile, the drying tank 13 is also provided with the feeding device 12, and the feeding device 12 is communicated with the inner cavity of the drying tank 13. The feeding device 12 is used for feeding raw materials which are not dried, and after the dried raw materials in the drying tank 13 are all discharged, the feeding device 12 provides the next batch of raw materials for the drying tank.
According to one embodiment of the invention, the vacuumizing device 3 comprises a high-vacuum electromagnetic baffle valve 31, a vacuum pump filtering tank 32, a vacuum pump suction port 33 and a vacuum pump 34, wherein the high-vacuum electromagnetic baffle valve 31 is arranged at the top end of the drying tank 13, the high-vacuum electromagnetic baffle valve 31 is communicated with the inner cavity of the drying tank 13, the high-vacuum electromagnetic baffle valve 31 is arranged at one end of the vacuum pump filtering tank 32, the other end of the vacuum pump filtering tank 32 is connected with the vacuum pump suction port 33, and the vacuum pump suction port 33 is connected with the vacuum pump 34. When the high vacuum electromagnetic flapper valve 31 is opened, the vacuum pump 34 pumps air in the drying tank 13 through the vacuum pump suction pump 33, and the pumped air first filters out raw material particles possibly carried in the air flow through the vacuum pump filter tank 32, and then is discharged to the outside through the vacuum pump 34, thereby preventing the raw material particles from passing through the vacuum pump 34, causing damage to the vacuum pump 34.
According to one embodiment of the invention, the material sucking device 4 comprises a first air port 41, a second butterfly valve 42, a fan filter tank 43, a first butterfly valve 44 and a fan 45, wherein the first butterfly valve 44 is arranged at the top end of the drying tank 13, the inner cavity of the drying tank 13 is respectively connected with the second butterfly valve 42 and the fan filter tank 43 through the first butterfly valve 44, and the fan filter tank 43 is connected with the fan 45. When the fan 45 is started, the first butterfly valve 44 is opened, the second butterfly valve 42 is in a closed state, the three-way ball valve 63 keeps the second air port 631 and the third air port 632 communicated, and air in the drying tank 13 is discharged to the outside atmosphere through the first butterfly valve 44, the fan filter tank 43, the fan 45 and the three-way ball valve 63 respectively, so that the air pressure in the inner cavity of the drying tank 13 is reduced, negative pressure is formed, at the moment, the first through ball valve 122 is opened, and raw materials which are not dried at the feeding port 121 enter the inner cavity of the drying tank 13, so that the raw materials which are not dried are sucked into the drying tank 13.
According to one embodiment of the present invention, the air supplementing device 5 comprises an angle valve 51, a high-pressure air tank 52, a dry air film 53 and a ventilation tee 54, wherein the top of the drying tank 13 is connected with one end of the angle valve 51, the other end of the angle valve 51 is connected with one air outlet of the ventilation tee 54, the other air outlet of the ventilation tee 54 is connected with the high-pressure air tank 52, an air inlet of the ventilation tee 54 is connected with an air outlet of the dry air film 53, the air inlet of the dry air film 53 is connected with a high-pressure air source, and moisture in the air flow is filtered by the high-pressure air source through the dry air film 53 so as to form dry air. When the angle valve 51 is closed, the dry air can only be filled into the high-pressure air tank 52 through one air outlet of the ventilation tee 54, and with the filling of the dry air, the cyclic feeding can be performed when the pressure in the high-pressure air tank 52 reaches 0.4 Mpa. When the third butterfly valve 64 is closed and the angle valve 51 is opened, dry air enters the drying tank 13 through the other outlet of the ventilation tee 54, so that positive pressure is formed in the drying tank 13, and the discharging process can be performed.
According to one embodiment of the invention, the discharging device 6 comprises a storage tee 61, a fourth butterfly valve 62, a tee ball valve 63 and a third butterfly valve 64, the inner cavity of the drying tank 13 is communicated with the inlet of the storage tee 61 through a second straight-through ball valve 14, the storage tee 61 has the functions of discharging and transferring simultaneously, one outlet of the storage tee 61 is respectively connected with the fourth butterfly valve 62 and the third straight-through ball valve 21 through the tee, and the other outlet of the storage tee 61 is respectively connected with the tee ball valve 63 and the third butterfly valve 64 through the tee. When the material is discharged, the second butterfly valve 42, the angle valve 51, the fourth butterfly valve 62 and the second straight-through ball valve 14 are opened, the three-way ball valve 63 is turned to be communicated with the third air port 632 and the fourth air port 633, and all the other valves are in a closed state, at this time, the angle valve 51 is opened, the third butterfly valve 64 is closed, and the dry air discharged by the dry air film 53 enters the drying tank 13 from the angle valve 51, so that positive pressure is formed in the drying tank 13, and the dried raw material enters the storage three-way 61 under the action of natural gravity due to the opening of the second straight-through ball valve 14. Because the second butterfly valve 42 is in the open state, no. three wind gap 632 and No. four wind gap 633 switch on, no. one wind gap 41 is normally open state, turn on fan 45 this moment, the air current gets into from No. one wind gap 41, later through second butterfly valve 42, fan filter tank 43, fan 45, tee bend ball valve 63, storage tee bend 61, fourth butterfly valve 62, will wrap up in and hold raw materials and move together when the air current that fan 45 blown out flows through storage tee bend 61, finally follow fourth butterfly valve 62 and discharge, because third straight through ball valve 21 closes for the raw materials in the storage tee bend 61 only can be discharged along fourth butterfly valve 62, can't get into circulation feed pipe 22, avoid the raw materials unable to exhaust.
According to a specific embodiment of the invention, the circulating feeding device 2 comprises a third through ball valve 21 and a circulating feeding pipe 22, the third through ball valve 21 is arranged at the bottom of the device, the third through ball valve 21 is communicated with one outlet of the storage tee 61, and the third through ball valve 21 is communicated with the top end of the drying tank 13 through the circulating feeding pipe 22. Raw materials which are not completely dried in the storage tee 61 need to enter the drying tank 13 through the circulating feed pipe 22, and the third through ball valve 21 can save the raw materials into the drying tank 13. When the material is circulated, the vacuum pump 34 and the high-vacuum electromagnetic baffle valve 31 are opened, air in the drying tank 13 is pumped to form a vacuum environment, the vacuum value is maintained below-80 Kpa, the second straight-through ball valve 14 is opened, the material falls into the material storage tee 61 under the action of dead weight, the third straight-through ball valve 21 is opened, meanwhile, 0.4Mpa of drying air is filled into the high-pressure air tank 52, when the pressure in the high-pressure air tank 52 is enough, the third butterfly valve 64 is opened, the high-pressure drying air in the high-pressure air tank 52 flows into the vacuum environment, a strong air flow can be formed under the double actions of vacuum and high-pressure air, the air flow can be wrapped with the plastic material to move together through the material storage tee 61, the plastic material enters the circulating feed pipe 22 through the third straight-through ball valve 21 until the top of the drying tank 13, at the moment, the vacuum degree in the drying tank 13 can be reduced, the vacuum pump 33 is continuously pumped, and the drying air in the high-pressure air tank 52 is supplemented, when the vacuum degree in the drying tank 13 and the drying air in the high-pressure air tank 52 are enough, namely, the drying tank is repeatedly circulated until the top of the drying tank 13 is reached, and the purpose of drying the plastic material is achieved, and the top of the drying tank is repeatedly moved to the bottom of the drying tank 13. The dry gas film 53 is a polymer film air dryer which is arranged on a base and adopts SMC, and the model is: IDG100SAV4-04. The high-pressure air enters the ventilation tee 54 through the dry air film 53, water in the air flow is filtered through the dry air film 53, the air flow flows out of two outlets of the ventilation tee 54, and the flow direction of the air flow can be controlled through the angle valve 51 and the third butterfly valve 64.
According to one embodiment of the present invention, the three-way ball valve 63 includes a second air port 631, a third air port 632, and a fourth air port 633, the fourth air port 633 is connected to another outlet of the storage tee 61, the second air port 631 is connected to the outside, and the third air port 632 is connected to the fan 45. When the second air port 631 and the third air port 632 are communicated in a default mode, during feeding, only the first through ball valve 122 and the first butterfly valve 44 are in an open state, the three-way ball valve 63 is in a normal state, then the fan 45 is started to generate air flow, the air flow enters from the feeding port 121, the air flow passes through the drying tank 13, the first butterfly valve 44, the fan filtering tank 43, the fan 45 and the three-way ball valve 63, and finally is discharged to the outside along the second air port 631, and in the process, the air flow generated by air pressure drives raw materials to enter the drying tank 13, so that the technical effect of sucking the raw materials into the drying tank 13 is achieved; when the material is circularly fed, the three-way ball valve 63 is in a normal state, the second air port 631 and the third air port 632 are communicated, and the fourth air port 633 is in a closed state, so that the vacuum environment of the drying tank 13 is isolated; when the material is discharged, the three-way ball valve 63 rotates to be communicated with the third air port 632 and the fourth air port 633, and at the moment, the air blown by the fan can reach the material storage three-way 61 through the three-way ball valve 63, and finally the material is wrapped and clamped, and discharged from the fourth butterfly valve 62.
According to a specific embodiment of the invention, the feeding device 12 comprises a feeding hole 121 and a first through ball valve 122, the feeding hole 121 is used for conveying raw materials which are not dried, the first through ball valve 122 is further arranged at the top end of the drying tank 13, one end of the first through ball valve 122 is fixedly connected with the feeding hole 121, the other end of the first through ball valve 122 is communicated with the inner cavity of the drying tank 13, and when feeding is performed, the fan 45 drives air to flow, so that the raw materials enter the drying tank 13 through the first through ball valve 122, and the technical effect of feeding drying equipment is achieved.
The application process of the embodiment of the invention is as follows:
The implementation method of the feeding process comprises the following steps: the first straight-through ball valve 122 and the first butterfly valve 44 are opened, the three-way ball valve 63 maintains a normal state, the second air port 631 and the third air port 63 are kept to be communicated, the fan 45 is opened, the fan sucks air in the drying tank 13, so that negative pressure is formed, raw materials can be sucked into the drying tank 13 from the feeding port 121, the fan 45 is closed firstly after feeding is completed, and then the rest valves are closed;
2. The implementation method of the heating process comprises the following steps: the microwave generator 15, the stirring motor 11, the high-vacuum electromagnetic baffle valve 31 and the vacuum pump 34 are started, the temperature of the plastic raw materials is raised under the action of microwaves, the stirring motor 11 can be continuously stirred to enable the raw materials to be heated more uniformly, the vacuum pump 34 creates a vacuum environment in the drying tank 13, oxygen is isolated, the boiling point of water is lowered, and the raw materials are prevented from being oxidized and dehydrated;
3. The method for realizing the cyclic feeding comprises the following steps: the high-vacuum electromagnetic baffle valve 31 is opened, the vacuum pump 34 continuously works to enable the vacuum value to be lower than-80 Kpa, the second straight-through ball valve 14 and the third straight-through ball valve 21 are opened, the plastic raw material at the bottom opening of the drying tank 13 falls into the storage tee 61 under the action of self weight, and the fourth butterfly valve 62 is kept in a closed state. The high-pressure air tank 52 is filled with 0.4Mpa of dry air, the third butterfly valve 64 is opened, a strong air flow is formed under the dual actions of vacuum and high-pressure air, the air flow passes through the storage tee 61 and is wrapped by plastic raw materials to move together, the air flow enters the circulating feeding pipe 22 through the third through ball valve 21 and moves to the top of the drying tank 13, the purpose that the plastic raw materials at the bottom opening of the drying tank 13 move to the top of the drying tank 13 in a vacuum environment is finally achieved, and then the third butterfly valve 64 is closed. After the material is fed in one cycle, the vacuum value in the drying tank 13 is reduced, the vacuum is continuously extracted, and when the vacuum value in the drying tank 13 and the drying air pressure in the high-pressure air tank 52 are enough, the next cycle is started.
4. The implementation method of the discharging process comprises the following steps: the angle valve 51 is opened to charge high-pressure drying air into the drying tank 13, positive pressure is formed in the drying tank 13, discharging is facilitated, the second through ball valve 14 is opened, the third through ball valve 21 is closed, the three-way ball valve 63 is rotated to be communicated with the third air port 632 and the fourth air port 633, the second butterfly valve 42 and the fourth butterfly valve 62 are opened, the fan 45 is started, and dried plastic raw materials can be discharged from the fourth butterfly valve 62.
In conclusion, the invention has complete design and reliable functions, realizes the drying and discharging of plastic raw materials through the four specific implementation processes, and solves the problem of incomplete drying of the raw materials caused by uneven heating of the raw materials at the bottom of the drying tank in the prior art.
While the invention has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the invention and are intended to be within the scope of the invention as claimed.
Claims (5)
1. The utility model provides a device of material is walked in drying circulation, includes the base, and its characterized in that still includes main part drying device (1), circulation that set up on the base walk material device (2), evacuating device (3), suction device (4), air compensating device (5) and discharge apparatus (6), main part drying device (1) are connected with evacuating device (3), suction device (4) and discharge apparatus (6) end to end, main part drying device (1), circulation walk material device (2) and discharge apparatus (6) end to end, main part drying device (1) links to each other with the one end of air compensating device (5), the other end of air compensating device (5) links to each other with discharge apparatus (6);
The main body drying device (1) comprises a stirring motor (11), a feeding device (12), a drying tank (13), a second straight-through ball valve (14) and a microwave generator (15), wherein the microwave generator (15) is arranged on the drying tank (13), the stirring motor (11) is arranged at the top end of the drying tank (13), the second straight-through ball valve (14) is arranged at the bottom end of the drying tank (13), the second straight-through ball valve (14) is fixedly connected with the discharging device (6), the feeding device (12) is further arranged at the top end of the drying tank (13), and the feeding device (12) is communicated with the inner cavity of the drying tank (13);
The vacuum pumping device (3) comprises a high-vacuum electromagnetic baffle valve (31), a vacuum pump filtering tank (32), a vacuum pump suction port (33) and a vacuum pump (34), wherein the high-vacuum electromagnetic baffle valve (31) is arranged at the top end of the drying tank (13), the high-vacuum electromagnetic baffle valve (31) is communicated with the inner cavity of the drying tank (13), the high-vacuum electromagnetic baffle valve (31) is arranged at one end of the vacuum pump filtering tank (32), the other end of the vacuum pump filtering tank (32) is connected , with the vacuum pump suction port (33), and the vacuum pump suction port (33) is connected with the vacuum pump (34);
The material sucking device (4) comprises a first air port (41), a second butterfly valve (42), a fan filtering tank (43), a first butterfly valve (44) and a fan (45), wherein the first butterfly valve (44) is arranged at the top end of the drying tank (13), the inner cavity of the drying tank (13) is respectively connected with the second butterfly valve (42) and the fan filtering tank (43) through the first butterfly valve (44), the second butterfly valve (42) is connected with the first air port (41), and the fan filtering tank (43) is connected with the fan (45);
The feeding device (12) comprises a feeding hole (121) and a first through ball valve (122), the first through ball valve (122) is further arranged at the top end of the drying tank (13), one end of the first through ball valve (122) is fixedly connected with the feeding hole (121), and the other end of the first through ball valve (122) is communicated with the inner cavity of the drying tank (13).
2. A device for drying and circulating feeding according to claim 1, wherein the discharging device (6) comprises a storage tee (61), a fourth butterfly valve (62), a tee ball valve (63) and a third butterfly valve (64), the inner cavity of the drying tank (13) is connected with the inlet of the storage tee (61) through a second through ball valve (14), one outlet of the storage tee (61) is respectively connected with the fourth butterfly valve (62) and the circulating feeding device (2) through a tee, the other outlet of the storage tee (61) is respectively connected with the tee ball valve (63) and the third butterfly valve (64) through a tee, and the third butterfly valve (64) is connected with the air supplementing device (5).
3. A device for drying and circulating material according to claim 2, characterized in that the air supplementing device (5) comprises an angle valve (51), a high-pressure air tank (52), a dry air film (53) and a ventilation tee joint (54), the drying tank (13) is connected with one end of the angle valve (51), the other end of the angle valve (51) is connected with one air outlet of the ventilation tee joint (54), the other air outlet of the ventilation tee joint (54) is connected with the high-pressure air tank (52), the high-pressure air tank (52) is connected with the third butterfly valve (64), the third butterfly valve (64) is connected with the other outlet of the material storing tee joint (61), the air inlet of the ventilation tee joint (54) is connected with the air outlet of the dry air film (53), and the air inlet of the dry air film (53) is connected with a high-pressure air source.
4. A device for drying and circulating feeding according to claim 3, wherein the circulating feeding device (2) comprises a third through ball valve (21) and a circulating feeding pipe (22), the third through ball valve (21) is arranged at the bottom of the drying tank (13), an inlet of the third through ball valve (21) is connected with an outlet of the storage tee joint (61), and an outlet of the third through ball valve (21) is communicated with the drying tank (13) through the circulating feeding pipe (22).
5. A drying cycle feeding device according to claim 4, wherein the three-way ball valve (63) comprises a second air port (631), a third air port (632) and a fourth air port (633), the fourth air port (633) is connected with the other outlet of the storage tee (61), the second air port (631) is communicated with the outside, and the third air port (632) is connected with the fan (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010168355.7A CN111238173B (en) | 2020-03-12 | 2020-03-12 | Device for drying and circulating feeding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010168355.7A CN111238173B (en) | 2020-03-12 | 2020-03-12 | Device for drying and circulating feeding |
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| Publication Number | Publication Date |
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| CN111238173A CN111238173A (en) | 2020-06-05 |
| CN111238173B true CN111238173B (en) | 2024-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010168355.7A Active CN111238173B (en) | 2020-03-12 | 2020-03-12 | Device for drying and circulating feeding |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111687173A (en) * | 2020-06-10 | 2020-09-22 | 沃杰(北京)科技有限公司 | Kitchen waste treatment device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1240640A (en) * | 1970-03-10 | 1971-07-28 | Battenfeld Maschfab | Improvements in or relating to devices for drying granular products |
| EP0650505A1 (en) * | 1992-05-13 | 1995-05-03 | Gaia Research L.P. | Production of encapsulated chemical foaming concentrates |
| CN206170420U (en) * | 2016-04-05 | 2017-05-17 | 东莞市卡帝德塑化科技有限公司 | Twin -tub circulation is dried and is removed peculiar smell device |
| CN109489348A (en) * | 2018-12-26 | 2019-03-19 | 天津莱沃真空干燥设备制造有限公司 | The nitrogen protection microwave vacuum drying device and drying means of optical plastic raw material |
| CN211953443U (en) * | 2020-03-12 | 2020-11-17 | 天津莱沃真空干燥设备制造有限公司 | Drying circulation feeding device |
-
2020
- 2020-03-12 CN CN202010168355.7A patent/CN111238173B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1240640A (en) * | 1970-03-10 | 1971-07-28 | Battenfeld Maschfab | Improvements in or relating to devices for drying granular products |
| EP0650505A1 (en) * | 1992-05-13 | 1995-05-03 | Gaia Research L.P. | Production of encapsulated chemical foaming concentrates |
| CN206170420U (en) * | 2016-04-05 | 2017-05-17 | 东莞市卡帝德塑化科技有限公司 | Twin -tub circulation is dried and is removed peculiar smell device |
| CN109489348A (en) * | 2018-12-26 | 2019-03-19 | 天津莱沃真空干燥设备制造有限公司 | The nitrogen protection microwave vacuum drying device and drying means of optical plastic raw material |
| CN211953443U (en) * | 2020-03-12 | 2020-11-17 | 天津莱沃真空干燥设备制造有限公司 | Drying circulation feeding device |
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| CN111238173A (en) | 2020-06-05 |
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