CN111238173A - Drying circulation feeding device - Google Patents
Drying circulation feeding device Download PDFInfo
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- CN111238173A CN111238173A CN202010168355.7A CN202010168355A CN111238173A CN 111238173 A CN111238173 A CN 111238173A CN 202010168355 A CN202010168355 A CN 202010168355A CN 111238173 A CN111238173 A CN 111238173A
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- ball valve
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- 238000001035 drying Methods 0.000 title claims abstract description 173
- 239000000463 material Substances 0.000 claims abstract description 51
- 238000007599 discharging Methods 0.000 claims abstract description 26
- 238000003756 stirring Methods 0.000 claims abstract description 11
- 239000013589 supplement Substances 0.000 claims abstract description 8
- 238000005086 pumping Methods 0.000 claims description 4
- 239000002994 raw material Substances 0.000 abstract description 66
- 229920003023 plastic Polymers 0.000 abstract description 20
- 239000004033 plastic Substances 0.000 abstract description 20
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 230000001502 supplementing effect Effects 0.000 abstract description 5
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 238000007791 dehumidification Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 10
- 238000011068 loading method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000012528 membrane Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 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
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 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
- 238000012545 processing Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
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
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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
-
- 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
Abstract
The embodiment of the invention discloses a drying circulating feeding device, 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 a gas supplementing device. When it uses, the plastic materials and the heating in agitator motor stirring drying jar, and through the evacuation of vacuum pump, form vacuum environment in making the drying jar, the storage tee bend is located main part drying device's bottommost, the raw materials can fall into the storage tee bend, let in high-pressure drying air to the storage tee bend through air supplement unit, the air current can wrap up in the pipeline entering circulation of the raw materials in the storage tee bend through discharge apparatus and walk the material pipe, move to the drying jar top and fall, realize the displacement of drying tank bottom entrance raw materials to the top.
Description
Technical Field
The embodiment of the invention relates to the technical field of drying equipment, in particular to a device for drying circulating feeding.
Background
Plastics raw materials is when the mode that adopts microwave heating is dry, in order to make the heating more even, has increased the function of stirring in the drying chamber inside, nevertheless because the (mixing) shaft can't touch the bottommost of drying chamber, can have a small part plastics raw materials to be stored and can't remove in drying chamber bottom mouth all the time, this just leads to this part plastics raw materials to take place to be heated inhomogeneous condition 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 influenced. Based on the situation, the invention provides a device which can maintain the vacuum state and enable the plastic raw material at the bottommost part of the drying tank to realize the displacement towards the top of the drying tank.
Disclosure of Invention
Therefore, the embodiment of the invention provides a device for drying circulating feeding, which aims to solve the problem of incomplete drying of raw materials caused by 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 embodiments of the present invention provide the following technical solutions:
the invention provides a drying 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, an air 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 air supplementing device, and one end of an air storage tank of the air supplementing device is connected with the discharging device.
Further, main part drying device includes agitator motor, loading attachment, drying cylinder, the straight-through ball valve of second and microwave generator, installs microwave generator on the drying cylinder, and agitator motor is installed on the drying cylinder top, and the bottom of drying cylinder is provided with the straight-through ball valve of second, and the straight-through ball valve of second and discharge apparatus's storage tee bend entry fixed connection, and the drying cylinder top still installs loading attachment, and the first straight-through ball valve of loading attachment communicates with the drying cylinder inner chamber.
Furthermore, the vacuumizing device comprises a high-vacuum electromagnetic baffle valve, a vacuum pump filter tank, a vacuum pump suction port and a vacuum pump, 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 filter tank, the other end of the vacuum pump filter tank is connected with the vacuum pump suction port, and the vacuum pump suction port is connected with the vacuum pump.
Further, inhale material device and include that wind gap, second butterfly valve, fan filter jar, first butterfly valve and fan, first butterfly valve is installed on the drying tank top, and the drying tank inner chamber filters the jar through first butterfly valve with second butterfly valve and fan respectively and is connected, and the second butterfly valve is connected with the wind gap, and the fan filters the jar and is connected with the fan.
Further, discharge apparatus includes storage tee bend, fourth butterfly valve, tee bend ball valve and third butterfly valve, and drying tank inner chamber is through second through ball valve and the three-way entry linkage of storage, and an export of storage tee bend is connected with the third through ball valve of fourth butterfly valve and circulation material feeding device respectively through a tee bend, and another export of storage tee bend is connected with tee bend ball valve and third butterfly valve respectively through a tee bend, and the third butterfly valve is connected with air supplement unit.
Further, air supplement unit includes angle valve, high-pressure gas pitcher, dry gas membrane and the tee bend of ventilating, and the drying cylinder is connected with angle valve one end, and the other end of angle valve is connected with a gas outlet of the tee bend of ventilating, and another gas outlet of the tee bend of ventilating is connected with high-pressure gas pitcher, and high-pressure gas pitcher is connected with the third butterfly valve, and the third butterfly valve is connected with another exit linkage of storage tee bend, and the tee bend air inlet of ventilating is connected with dry gas membrane gas outlet, and the air inlet of dry gas membrane connects high pressurized air source.
Further, a third straight-through ball valve is installed at the bottom of the drying tank, an inlet of the third straight-through ball valve is communicated with a material storage tee, and an outlet of the third straight-through ball valve is communicated with the top of the drying tank through a circulating material feeding pipe.
Furthermore, 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 material storage tee, the second air port is communicated with the outside, and the third air port is connected with the fan.
Further, loading attachment includes material loading mouth and first through ball valve, and first through ball valve is still installed on the drying cylinder top, first through ball valve one end and material loading mouth fixed connection, the other end and the drying cylinder inner chamber intercommunication of first through ball valve.
The embodiment of the invention has the following advantages:
1. through first straight-through ball valve, high vacuum electromagnetic 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 the contact of plastic raw materials with oxygen, can prevent effectively that plastic raw materials from being oxidized, and then protect the original material property of plastic raw materials.
2. When the material is walked in raw materials circulation, high pressurized air source can be to the internal dry air that fills of high-pressure cylinder through the dry air membrane, at the gas filled in-process, form the malleation in the high-pressure cylinder, simultaneously because the air in the drying cylinder is taken out by the vacuum pump and is separated, form the negative pressure, form higher pressure differential between drying cylinder and high-pressure cylinder from this, open the third butterfly valve will form strong air current through pressure differential in the twinkling of an eye, promote then the plastic materials that the drying cylinder bottom fell in the storage tee bend and walk the material pipe through the circulation and realized the displacement and walk the material, thereby make the raw materials shift to the drying cylinder top and fall down, the problem of the not thorough raw materials drying that leads to because drying cylinder bottom raw materials are heated ine.
3. Because the high-pressure air source enters the air supply device after moisture is filtered through the dry air film, the air filled into the high-pressure air tank is dry air, and the dry air pushes the raw materials to circulate and walk the materials, so that the source of water is effectively isolated in the process of circulating and walking the materials, and the problem that the raw materials absorb moisture again after being dried for the first time 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 should be apparent that the drawings in the following description are merely exemplary, and that other implementation drawings can be derived from the drawings provided by those of ordinary skill in the art without any creative effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the scope of the present invention.
Fig. 1 is a perspective view of a device for drying circulating feed according to an embodiment of the present invention;
FIG. 2 is a left side view of a drying cycle feed apparatus according to an embodiment of the present invention;
FIG. 3 is a right side view of a drying cycle feed apparatus according to an embodiment of the present invention;
FIG. 4 is a view from direction A of FIG. 3 according to an embodiment of the present invention;
FIG. 5 is a rear view of an apparatus for drying cycle feed according to an embodiment of the present invention;
FIG. 6 is an enlarged partial view at B of FIG. 5 provided in accordance with an embodiment of the present invention;
FIG. 7 is a front view of a drying cycle feed apparatus according to an embodiment of the present invention;
FIG. 8 is a block diagram of a flow chart of an apparatus for drying a material in a circulation according to an embodiment of the present invention;
in the figure: 1 a main body drying device; 11 a stirring motor; 12, a feeding device; 121 feeding port; 122 a first through ball valve; 13 drying the tank; 14 a second straight-through ball valve; 15 a microwave generator; 2, circulating feeding device; 21 a third through ball valve; 22 circulating a material feeding pipe; 3, a vacuum pumping device; 31 high vacuum electromagnetic flapper valves; 32 vacuum pump filter tank; 33 vacuum pump suction inlet; 34 a vacuum pump; 4, a material sucking device; no. 41 air inlet; 42 a second butterfly valve; 43 blower filter tank; 44 a first butterfly valve; 45, a fan; 5 an air supply device; a 51-angle valve; 52 high-pressure gas tanks; 53 dry gas film; 54 a vent tee; 6, a discharging device; 61, a material storage tee joint; 62 a fourth butterfly valve; 63 a three-way ball valve; 631 a second tuyere; 632 a third tuyere; 633 fourth tuyere; 64 third butterfly valve.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. 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.
Referring to fig. 1-8, the invention provides a drying circulating feeding device, 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 main body drying device 1 is kept in a vacuum environment through the vacuumizing device 3. Main part drying device 1, inhale material device 4 and 6 end to end of discharge apparatus, make the raw materials can enter into main part drying device 1 through inhaling material device 4 in, further, the raw materials passes through the transfer and the discharge of 6 realization raw materials of discharge apparatus. 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 an air supply device 5, and the other end of the air supply device 5 is connected with a discharging device 6. Can walk material device 2 both ends formation atmospheric pressure difference at the circulation through air supplement unit 5 and vacuum pumping device 3, and then form the air current, utilize the air current to wrap up and hold the raw materials motion to make the raw materials can walk material device 2 formation circulation through the circulation and walk the material, walk the raw materials of main part drying device 1 bottom through the circulation and walk material device 2 and remove to main part drying device 1 top, solve drying tank 13 bottom raw materials and be heated inhomogeneous and the not thorough problem of raw materials drying that leads to.
According to an embodiment of the present invention, the main body drying device 1 includes a stirring motor 11, a feeding device 12, a drying tank 13, a second through ball valve 14 and a microwave generator 15, the microwave generator 15 is installed on the side wall of the drying tank 13, the microwave generator 15 heats the raw material by microwave, and at the same time, since the stirring motor 11 is installed on the top end of the drying tank 13, the raw material in the drying tank 13 is stirred by the stirring motor 11, so that the raw material is heated more sufficiently, and the drying effect of the raw material is ensured. A second straight ball valve 14 is arranged at the bottom opening of the drying tank 13, the second straight ball valve 14 is fixedly connected with the discharging device 6, and dried raw materials can be prevented from entering the discharging device 6 through the second straight ball valve 14, so that a certain amount of raw materials are retained in the drying tank 13 and dried. Meanwhile, the drying tank 13 is also provided with a 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 to supply the raw material that has not been dried, and when all the dried raw material in the drying tank 13 is discharged, the feeding device 12 supplies the next batch of processing raw material to the drying tank.
According to an embodiment of the present invention, the vacuum pumping device 3 comprises a high vacuum electromagnetic flapper valve 31, a vacuum pump filter tank 32, a vacuum pump suction port 33 and a vacuum pump 34, the top end of the drying tank 13 is provided with the high vacuum electromagnetic flapper valve 31, the high vacuum electromagnetic flapper valve 31 is communicated with the inner cavity of the drying tank 13, the high vacuum electromagnetic flapper valve 31 is installed at one end of the vacuum pump filter tank 32, the other end of the vacuum pump filter 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 damper valve 31 is opened, the vacuum pump 34 pumps air out of the drying tank 13 through the vacuum pump suction port 33, the pumped air first filters out 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 material particles from passing through the vacuum pump 34 and causing damage to the vacuum pump 34.
According to an embodiment of the invention, the suction device 4 comprises a first air inlet 41, a second butterfly valve 42, a fan filter tank 43, a first butterfly valve 44 and a fan 45, the first butterfly valve 44 is installed 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. The first butterfly valve 44 is used as a main valve of the material suction device 4, 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, 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 an embodiment of the present invention, the air supply device 5 includes an angle valve 51, a high pressure air tank 52, a dry air film 53 and a vent tee 54, the top of the drying tank 13 is connected to one end of the angle valve 51, the other end of the angle valve 51 is connected to one air outlet of the vent tee 54, the other air outlet of the vent tee 54 is connected to the high pressure air tank 52, an air inlet of the vent tee 54 is connected to an air outlet of the dry air film 53, an air inlet of the dry air film 53 is connected to a high pressure air source, and the high pressure air source filters moisture in the air flow through the dry air film 53 to form dry air. When the angle valve 51 is closed, the dry air can be filled into the high-pressure air tank 52 only through one air outlet of the vent tee 54, and the circulating material conveying can be carried out when the pressure in the high-pressure air tank 52 reaches 0.4Mpa along with the filling of the dry air. When the third butterfly valve 64 is closed and the angle valve 51 is opened, the drying air enters the drying tank 13 through the other outlet of the vent tee 54, so that positive pressure is formed in the drying tank 13, and the discharging process can be performed at this time.
According to a specific embodiment of the invention, the discharging device 6 comprises a storage tee 61, a fourth butterfly valve 62, a three-way 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 through ball valve 14, the storage tee 61 has the functions of discharging and transferring, one outlet of the storage tee 61 is respectively connected with the fourth butterfly valve 62 and the third through ball valve 21 through a tee, and the other outlet of the storage tee 61 is respectively connected with the three-way ball valve 63 and the third butterfly valve 64 through a tee. When discharging is carried out, 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 switched to the third air port 632 and the fourth air port 633 to be communicated, all other valves are in a closed state, at the moment, the angle valve 51 is opened, the third butterfly valve 64 is closed, and dry air exhausted 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 materials enter the storage three-way valve 61 under the action of natural gravity because the second straight-through ball valve 14 is opened. Because the second butterfly valve 42 is in the open mode, No. three wind gaps 632 and No. four wind gaps 633 switch on, No. one wind gap 41 is normally open, open fan 45 this moment, the air current gets into from No. one wind gap 41, subsequently through second butterfly valve 42, fan filter tank 43, fan 45, three-way ball valve 63, storage tee bend 61, fourth butterfly valve 62, the air current that fan 45 blew off will wrap up and hold the raw materials and move together when flowing through storage tee bend 61, finally discharge from fourth butterfly valve 62, because third straight-through ball valve 21 closes, make the raw materials in the storage tee bend 61 can only discharge along fourth butterfly valve 62, can't get into and circulate away material pipe 22, avoid the unable exhaust of raw materials.
According to an embodiment of the invention, the circulating feeding device 2 comprises a third straight-through ball valve 21 and a circulating feeding pipe 22, the third straight-through ball valve 21 is installed at the bottom of the device, the third straight-through ball valve 21 is communicated with an outlet of the storage three-way pipe 61, and the third straight-through ball valve 21 is communicated with the top end of the drying tank 13 through the circulating feeding pipe 22. The raw material which is not completely dried in the material storage tee 61 needs to enter the drying tank 13 through the circulating material outlet pipe 22, and the third straight-through ball valve 21 can prevent the raw material from entering the drying tank 13. When the circulation material feeding is carried out, the vacuum pump 34 and the high-vacuum electromagnetic baffle valve 31 are opened, the air in the drying tank 13 is extracted to form a vacuum environment, the vacuum value is maintained below minus 80Kpa, the second straight-through ball valve 14 is opened, the raw material falls into the material storage tee 61 under the action of self weight, the third straight-through ball valve 21 is opened, meanwhile, the high-pressure gas tank 52 is filled with 0.4Mpa of dry air, when the pressure in the high-pressure gas tank 52 is enough, the third butterfly valve 64 is opened, the high-pressure dry air in the high-pressure gas tank 52 flows to the vacuum environment, a strong air flow can be formed under the double action of vacuum and high-pressure air, when the air flow passes through the material storage tee 61, the air flow can wrap the plastic raw material and move together, enters the circulation material feeding pipe 22 through the third straight-through ball valve 21 and moves to the top of the drying tank 13, at the moment, the vacuum degree, the vacuum pump 33 continues to draw vacuum and supplement the drying air in the high-pressure air tank 52, when the vacuum degree in the drying tank 13 and the drying air pressure in the high-pressure air tank 52 are enough, the next cycle is started, and the steps are repeated, so that the purpose that the plastic raw material at the bottom opening of the drying tank 13 moves to the top of the drying tank 13 in the vacuum environment is finally achieved. The dry air film 53 is a high polymer film type air dryer which is installed on the base and adopts SMC, and the model is as follows: IDG100SAV 4-04. The high-pressure air enters the vent tee joint 54 through the dry air film 53, moisture in the air flow is filtered through the dry air film 53, the air flow flows out of two outlets of the vent tee joint 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 an embodiment of the 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 with another outlet of the storage three-way valve 61, the second air port 631 is communicated with the outside, and the third air port 632 is connected with the fan 45. The second air port 631 is communicated with the third air port 632 by default in a normal state, when feeding is performed, only the first through ball valve 122 and the first butterfly valve 44 are in an open state, at the moment, the three-way ball valve 63 is in the normal state, then the fan 45 is started to generate air flow, the air flow enters from the feeding port 121, then passes through the drying tank 13, the first butterfly valve 44, the fan filter tank 43, the fan 45 and the three-way ball valve 63 and is finally discharged to the outside along the second air port 631, and in the process, the air flow generated by air pressure can drive the 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 circulation feeding is carried out, the three-way ball valve 63 is in a normal state, the second air inlet 631 is communicated with the third air inlet 632, and the fourth air inlet 633 is in a closed state, so that the effect of isolating the vacuum environment of the drying tank 13 is achieved; when the material is discharged, the three-way ball valve 63 rotates until the third air port 632 is communicated with the fourth air port 633, and at the moment, the air blown by the fan can reach the material storage three-way valve 61 through the three-way ball valve 63, and finally the wrapped raw material is discharged from the fourth butterfly valve 62.
According to an embodiment of the present invention, the feeding device 12 includes a feeding port 121 and a first through ball valve 122, the feeding port 121 is used for conveying raw materials that are not dried, the first through ball valve 122 is further installed at the top end of the drying tank 13, one end of the first through ball valve 122 is fixedly connected to the feeding port 121, and the other end of the first through ball valve 122 is communicated with an inner cavity of the drying tank 13, 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, thereby achieving a technical effect of feeding for drying equipment.
The application process of the embodiment of the invention is as follows:
1 the material loading process comprises the following steps: opening the first through ball valve 122 and the first butterfly valve 44, keeping the three-way ball valve 63 in a normal state, keeping the second air inlet 631 and the third air inlet 63 communicated, opening the fan 45, sucking air in the drying tank 13 by the fan to form negative pressure, sucking the raw materials into the drying tank 13 from the feeding port 121, closing the fan 45 after feeding is completed, and then closing the rest valves;
2. the heating process is realized by 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 plastic raw material is heated under the action of microwaves, the stirring motor 11 continuously stirs the plastic raw material to enable the raw material 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 material is prevented from being oxidized and water is removed;
3. the method for realizing the circulation feeding comprises the following steps: and (3) opening the high-vacuum electromagnetic baffle valve 31, continuously operating the vacuum pump 34 to enable the vacuum value to reach below-80 Kpa, opening the second straight-through ball valve 14 and the third straight-through ball valve 21, dropping the plastic raw material at the bottom opening of the drying tank 13 into the material storage tee 61 under the action of self weight, and keeping the fourth butterfly valve 62 in a closed state. The drying air of 0.4Mpa is filled into the high-pressure air tank 52, the third butterfly valve 64 is opened, a strong air flow is formed under the double action of vacuum and high-pressure air, when the air flow passes through the storage tee joint 61, the plastic raw materials can be wrapped and carried together, the air flow enters the circulating material-passing pipe 22 through the third straight-through ball valve 21 and moves to the top of the drying tank 13, finally, 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 the vacuum environment is achieved, and then the third butterfly valve 64 is closed. After the material is discharged in one cycle, the vacuum value in the drying tank 13 is reduced, the vacuum is continuously drawn, and when the vacuum value in the drying tank 13 and the pressure of the drying air in the high-pressure air tank 52 are enough, the next cycle is started.
4. The realization method of the discharging process comprises the following steps: opening the angle valve 51 to fill high-pressure dry air into the drying tank 13, forming positive pressure in the drying tank 13, being beneficial to discharging, opening the second straight ball valve 14, closing the third straight ball valve 21, rotating the three-way ball valve 63 to the third air port 632 and the fourth air port 633 to be communicated, opening the second butterfly valve 42 and the fourth butterfly valve 62, starting the fan 45, and discharging the dried plastic raw material from the fourth butterfly valve 62.
In conclusion, the plastic raw material drying and discharging device is complete in design and reliable in function, drying and discharging of the plastic raw material are achieved through the four specific implementation processes, and the problem that raw material drying is not complete due to the fact that the raw material at the bottom of the drying tank is not uniformly heated in the prior art is solved.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (9)
1. The utility model provides a device of material is walked in dry circulation, includes the base, its characterized in that still walks material device (2), evacuating device (3), inhales material device (4), air supplement unit (5) and discharge apparatus (6) including main part drying device (1), the circulation that sets up on the base, main part drying device (1) is connected with evacuating device (3), main part drying device (1), inhale material 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 supplement unit (5), the other end and the discharge apparatus (6) of air supplement unit (5) link to each other.
2. The drying circulation feeding device according to claim 1, wherein the main body drying device (1) comprises a stirring motor (11), a feeding device (12), a drying tank (13), a second through ball valve (14) and a microwave generator (15), the microwave generator (15) is installed on the drying tank (13), the stirring motor (11) is installed at the top end of the drying tank (13), the second through ball valve (14) is arranged at the bottom end of the drying tank (13), the second through ball valve (14) is fixedly connected with the discharging device (6), the feeding device (12) is further installed 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).
3. The drying cycle feed device as claimed in claim 2, wherein the vacuum pumping device (3) comprises a high vacuum electromagnetic baffle valve (31), a vacuum pump filter tank (32), a vacuum pump suction port (33) and a vacuum pump (34), 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 installed at one end of the vacuum pump filter tank (32), the other end of the vacuum pump filter 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).
4. A drying circulation feeding device according to claim 3, characterized in that the suction device (4) comprises a first air inlet (41), a second butterfly valve (42), a fan filter tank (43), a first butterfly valve (44) and a fan (45), the first butterfly valve (44) is installed at the top end of the drying tank (13), the inner cavity of the drying tank (13) is connected with the second butterfly valve (42) and the fan filter tank (43) through the first butterfly valve (44), the second butterfly valve (42) is connected with the first air inlet (41), and the fan filter tank (43) is connected with the fan (45).
5. A drying cycle feeding device according to claim 4, characterized in that the discharging device (6) comprises a storage tee (61), a fourth butterfly valve (62), a three-way 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 straight ball valve (14), one outlet of the storage tee (61) is connected with the fourth butterfly valve (62) and the cycle feeding device (2) through a tee, the other outlet of the storage tee (61) is connected with the three-way ball valve (63) and the third butterfly valve (64) through a tee, and the third butterfly valve (64) is connected with the air supply device (5).
6. A device for drying circulating feed according to claim 5, characterized in that the air supply device (5) comprises an angle valve (51), a high-pressure air tank (52), a dry air film (53) and a vent tee (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 outlet of the vent tee (54), the other outlet of the vent tee (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 storage tee (61), the air inlet of the vent tee (61) 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.
7. A drying cycle feeding device according to claim 6, characterized in that the cycle feeding device (2) comprises a third straight-through ball valve (21) and a cycle feeding pipe (22), the bottom of the drying tank (13) is provided with the third straight-through ball valve (21), the inlet of the third straight-through ball valve (21) is connected with an outlet of a storage tee 61, and the outlet of the third straight-through ball valve (21) is communicated with the drying tank (13) through the cycle feeding pipe (22).
8. The drying cycle feed device as recited in claim 7, characterized in that 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 another 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).
9. A drying circulating feeding device according to claim 2, characterized in that the feeding device (12) comprises a feeding port (121) and a first through ball valve (122), the top end of the drying tank (13) is further provided with the first through ball valve (122), one end of the first through ball valve (122) is fixedly connected with the feeding port (121), and the other end of the first through ball valve (122) is communicated with the inner cavity of the drying tank (13).
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 true CN111238173A (en) | 2020-06-05 |
| CN111238173B CN111238173B (en) | 2024-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010168355.7A Active CN111238173B (en) | 2020-03-12 | 2020-03-12 | Device for drying and circulating feeding |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111687173A (en) * | 2020-06-10 | 2020-09-22 | 沃杰(北京)科技有限公司 | Kitchen waste treatment device |
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| CN111238173B (en) | 2024-05-07 |
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