CN216049005U

CN216049005U - Grit drying device

Info

Publication number: CN216049005U
Application number: CN202121700589.8U
Authority: CN
Inventors: 刘鹏; 巨芹莉; 张耀平; 赵飞龙; 何选
Original assignee: Shaanxi Tianshi Industrial Co ltd
Current assignee: Shaanxi Tianshi Industrial Co ltd
Priority date: 2021-07-24
Filing date: 2021-07-24
Publication date: 2022-03-15
Anticipated expiration: 2031-07-24

Abstract

The utility model relates to a grit drying device relates to grit treatment facility technical field, and it includes a drying device, conveyer and secondary drying device, a drying device's discharge gate is located directly over the conveyer input end, conveyer includes frame, conveyer belt and air-dries the subassembly, the conveyer belt install in the frame, air-dry the unit mount in the frame, and be used for air-drying the grit, conveyer belt output below sets up secondary drying device. This application has clears up grit surface impurity, is favorable to the effect of the accurate separation of follow-up grit.

Description

Grit drying device

Technical Field

The application relates to grit treatment facility technical field especially relates to a grit drying device.

Background

Grit drying device is the drying equipment who handles the grit, and at the in-service use in-process, the grit all divides according to the size of granule, and the particle size is different, and the usage of grit is also distinct, carries out the categorised prerequisite of grit and puts into rectilinear vibrating screen after drying the grit in, distinguishes the size of sand, stores respectively, uses according to the classification.

In the correlation technique, chinese application No. 202020928625.5 discloses a grit drying device, which comprises a bracket, the vertical drying cylinder that is equipped with on the support, the vertical screw conveyor that is equipped with in the drying cylinder, screw conveyor includes the vertical conveying section of thick bamboo of locating in the drying cylinder, be equipped with the auger delivery axle in the conveying cylinder, the pivot upper end of auger delivery axle is stretched out drying cylinder top and the tip is equipped with driving motor, auger delivery epaxial end stretches out the conveying cylinder top, conveying cylinder lower extreme lateral wall a week is equipped with intercommunication mouth and drying cylinder in-connection, the top is equipped with heating device in the drying cylinder, drying cylinder upper end lateral wall is equipped with the pan feeding mouth, the drying cylinder bottom is equipped with the discharge gate. When needing to dry the grit, in adding the drying cylinder with the grit from pan feeding mouth department, through driving motor drive screw conveyor, transport a top portion with the grit from the bottom through the auger delivery axle, the grit is unrestrained to drying cylinder bottom along transport cylinder outer wall from the transport cylinder top again, and rethread heating device lasts and dries the grit for providing the hot-blast in the drying cylinder, and rethread discharge gate discharges after the stoving is accomplished.

Aiming at the related technologies, the inventor thinks that the defects of impurity mixing in the sand stone, poor cleanliness of the dried sand stone and unsatisfactory screening effect exist.

SUMMERY OF THE UTILITY MODEL

Relatively poor in order to improve the grit cleanliness factor of being dried, the unsatisfactory problem of screening effect, this application provides a grit drying device.

The application provides a pair of grit drying device adopts following technical scheme:

the utility model provides a grit drying device, includes a drying device, conveyer and secondary drying device, a drying device's discharge gate is located directly over the conveyer input end, conveyer includes frame, conveyer belt and air-dries the subassembly, the conveyer belt install in the frame, air-dry the subassembly install in the frame, and be used for air-drying the grit, conveyer belt (22) output below sets up secondary drying device.

Through adopting above-mentioned technical scheme, in the middle of the process of grit is carried to the conveyer belt, air-dries the subassembly and blows away the dust on grit surface, and grit surface impurity is by clean up, and when the conveyer belt was reachd to the conveyer belt output end was followed to clean grit, drops to in the secondary drying device, and secondary drying device dries after further clearing up grit surface impurity, promotes the cleanliness factor of the back grit of drying, and then the degree of accuracy that the grit was carried out screening on next step is higher.

Optionally, the primary drying device comprises a first frame body, a first shell, a first heating wire and a first spiral shaft, the first shell is obliquely installed on the first frame body, the first heating wire is fixed on the inner wall of the first shell, the first spiral shaft is rotatably connected onto the first shell, and openings are formed in two ends of the first shell.

Through adopting above-mentioned technical scheme, pour grit into from drying device's opening one end once, first heating wire carries out predrying to the grit, and grit surface part impurity is heated and breaks away from in the grit surface, and the stirring of first screw axis makes grit surface impurity break away from simultaneously, carries out the preliminary treatment to the grit, makes impurity break away from the grit surface, improves the cleanliness factor of stoving grit.

Optionally, the dust cover is installed on the conveyor belt, the air drying assembly comprises a fan and a ventilation pipe, the fan is connected with one side of the dust cover, and the ventilation pipe is connected to the dust cover on the other side opposite to the fan.

By adopting the technical scheme, when the sand and stone are conveyed to the conveyor belt, the fan blows dust on the surface of the sand and stone on the conveyor belt into the ventilation pipe connected with the other end of the rack, the dust on the surface of the sand and stone is removed, and the dust cover is arranged, so that the dust cannot be scattered in a workshop when the fan blows air, and the dust is convenient to collect; and the dust cover can effectively prevent the sand and stone from being blown away by the wind of the fan.

Optionally, the air-drying assembly further comprises a filter screen, the filter screen is arranged at one end, far away from the fan, of the ventilation pipe, and the filter screen is connected with the ventilation pipe.

By adopting the technical scheme, the filter screen in the ventilation pipe filters dust; the filter screen can be dismantled with the ventilation pipe and be connected, when filter screen impurity gathers too much, lift the filter screen off from the ventilation pipe and clear up the back and install the return vent pipe again, make impurity discharge after being filtered by the filter screen again, avoid the polluted environment.

Optionally, a necking section is arranged between the ventilation pipe and the dust cover, and the necking section is connected with the ventilation pipe and the dust cover.

Through adopting above-mentioned technical scheme, when the grit process conveyer belt, the fan blows in the ventilation pipe with the dust in the grit, sets up the throat section, makes the dust on the whole conveyer belt can both get into the ventilation pipe, and the ventilation pipe is small, more makes things convenient for blowing off of tiny particle dust, blocks leaking of large granule grit.

Optionally, the secondary drying device comprises a second frame body, a second shell, a second heating wire and a second screw shaft, the second shell is arranged on the second frame body, openings are formed in two ends of the second shell, the second heating wire is fixed to the inner side of the second shell, the second screw shaft is rotatably connected to the second shell, and an opening in one end of the second shell is located under the output end of the conveying device.

Through adopting above-mentioned technical scheme, grit surface impurity handles the back and gets into secondary drying device, evenly carries the grit through the second screw axis among the secondary drying device, and the inboard second heating wire of second casing is further dried the grit that the surface was cleared up, promotes the stoving effect of grit.

Optionally, one end of the first shell, which is close to the conveyor belt, is connected with an extension plate, and the extension plate is arranged in a downward inclined manner.

Through adopting above-mentioned technical scheme, after grit is through drying device stoving, need get into the conveyer belt top and continue the conveying, the extension board that drying device opening part set up once makes the grit have the buffer segment, piles up in conveyer belt department when avoiding the grit to fall down, makes grit surface residual impurity blow in the ventilation pipe by the fan more easily.

Optionally, the bottom of the second shell is fixedly communicated with the material receiving bin, and the bottom of the material receiving bin is provided with a rolling wheel.

Through adopting above-mentioned technical scheme, after grit through secondary drying device stoving discharge, can be carried in the receipts feed bin of secondary drying device below, the staff can remove receipts feed bin to required position through the bottom wheel that rolls, more makes things convenient for the staff to use.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the primary drying device, the conveying device and the secondary drying device, the sand and stone with uncleaned surfaces are pretreated by the primary drying device and then conveyed to the conveying device, the conveying device carries out air drying treatment on impurities mixed in the sand and stone, and after the impurities on the surfaces of the sand and stone are cleaned, the sand and stone enter the secondary drying device for drying, so that the cleanliness of the sand and stone is effectively improved, and the sand and stone can be conveniently and accurately separated in the next step;

2. by arranging the air drying device, when the gravel is conveyed to the conveyor belt, the blower blows dust on the surface of the gravel into the ventilation pipe to clean the surface of the gravel;

3. through set up the feed bin that connects that has the wheel that rolls in secondary drying device bottom, after the grit was dried through secondary drying device and is discharged, carry in the receipts feed bin of secondary drying device below, roll the wheel through the bottom and can remove receipts feed bin to required position for drying device is more practical.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is an internal structure view of the sand drying device according to the embodiment of the present application;

fig. 3 is a schematic structural diagram of an air drying device according to an embodiment of the present application.

Description of reference numerals: 1. a primary drying device; 11. a first frame body; 12. a first housing; 13. a first heater wire; 14. a first screw shaft; 2. a conveying device; 21. a frame; 22. a conveyor belt; 23. air-drying the assembly; 231. a fan; 232. a vent pipe; 233. filtering with a screen; 3. a secondary drying device; 31. a second frame body; 32. a second housing; 33. a second heating wire; 34. a second screw shaft; 4. an extension plate; 5. a dust cover; 6. a necking section; 7. a material receiving bin; 8. a rolling wheel.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses grit drying device. Referring to fig. 1 and 2, grit drying device includes drying device 1 in proper order along direction of delivery, conveyer 2 and secondary drying device 3, untreated grit gets into drying device 1 from drying device 1 one end once, carry conveyer 2 by the other end after carrying out the preliminary treatment, conveyer 2 handles the back to grit surface impurity, the grit gets into secondary drying device 3 and dries, secondary drying device 3 further dries the grit after the clearance surface, promote grit stoving effect.

Referring to fig. 1 and 2, the primary drying device 1 includes a first frame 11, a first casing 12, a first heating wire 13 and a first screw shaft 14, wherein the first casing 12 is cylindrical, is obliquely arranged on the first frame 11, and is fixed to the first frame 11 by bolts; the first heating wire 13 is spirally wound around the inner wall of the first shell 12 and is welded and fixed with the first shell 12; an opening for feeding is formed in one end, away from the conveying device 2, of the first shell 12, an end cover is fixedly welded to the first shell 12 at the opening, and the end cover is communicated with a feeding hopper inside the first shell 12; the first screw shaft 14 is installed on the sealing end, one end of the discharge port of the first shell 12 is positioned right above the input end of the conveying device 2, an inclined extension plate 4 is welded at one end of the discharge port of the first shell 12, and one end of the extension plate 4, which is close to the first shell 12, is higher than one end of the conveying device 2. Mix the grit that has impurity and convey the grit in proper order by drying device 1 once, and the grit that is conveyed in proper order is arranged on conveyer 2, improves the grit and once only falls and piles up the condition on conveyer 2. The sand and stone are poured into the primary drying device 1 from the opening at the higher end, the primary drying device 1 preheats the sand and stone with impurities on the surface by adopting the first heating wire 13 and stirs the sand and stone with the impurities on the surface by the first spiral shaft 14, so that the impurities are separated from the surface of the sand and stone.

Referring to fig. 2 and 3, the conveying device 2 comprises a frame 21, a conveying belt 22 and an air drying assembly 23, a dust cover 5 covers part of the conveying belt 22, the conveying belt 22 is horizontally installed on the frame 21, the air drying assembly 23 is installed on the frame 21 and acts on sand and stones of the air drying conveying belt 22, the air drying assembly 23 comprises a fan 231, a vent pipe 232 and a filter screen 233, the fan 231 is welded on the dust cover 5 on one side of the conveying direction of the conveying belt 22, a necking section 6 is arranged on one side of the dust cover 5, which is far away from the fan 231, the necking section 6 is triangular conical and is internally hollow, and the necking section 6 is communicated with the frame 21 and is welded and fixed; the vent pipe 232 is arranged at the position of the necking section 6, which is far away from the dust cover 5, and is integrally formed with the necking section 6; the screen 233 is bolted to the end of the draft tube 232 remote from the blower 231. When sand mixed with impurities enters the conveying device 2 and is positioned on the conveying belt 22, the fan 231 blows air to the sand passing through the conveying belt 22, the impurities are blown into the ventilating pipe 232, the filtering net 233 in the ventilating pipe 232 filters the impurities, and meanwhile, the necking section 6 enables dust on the whole conveying belt 22 to enter the ventilating pipe 232, so that the sand on the conveying belt 22 can be cleaned conveniently and efficiently; the dust cover 5 is sleeved on the frame 21, so that impurities are prevented from being scattered in the air, and pollution is reduced; because the filter screen 233 is connected with the ventilation pipe 232 through the bolts, when the impurities on the filter screen 233 are excessive, the filter screen 233 is detached from the ventilation pipe 232 to be cleaned and then installed, and the filter screen 233 can be used for multiple times.

Referring to fig. 1 and 2, a secondary drying device 3 is arranged below the output end of the conveyor belt 22, the secondary drying device 3 includes a second frame body 31, a second shell 32, a second heating wire 33 and a second screw shaft 34, the second shell 32 is cylindrical and has a hollow interior, an opening for feeding is formed in the top surface of the second shell 32, and the second frame body 31 and the second shell 32 are fixedly connected through bolts; the second heating wire 33 is spirally welded at the inner side of the second shell 32, the second screw shaft 34 is vertically arranged in the second shell 32, and two ends of the second screw shaft are rotatably connected with the second shell 32; the bottom of the second shell 32 is provided with a material receiving bin 7, the second shell 32 is fixedly communicated with the material receiving bin 7 and is integrally formed, and the bottom of the material receiving bin 7 is rotatably connected with a rolling wheel 8. The grit that the surface cleaning is clean is conveyed to second casing 32 upper end opening part by conveyer belt 22, get into in the second casing 32, through the stoving of second heater strip 33 and the stirring of second screw axis 34 in second casing 32, make the grit that the surface cleaning is clean further effectively dry in secondary drying device 3, the grit is discharged to connecing feed bin 7 from second casing 32 lower extreme opening, will connect feed bin 7 to push away to needs place through rolling wheel 8, connect feed bin 7 to conveniently remove, promote drying device's practicality.

The implementation principle of a concrete permeameter of the embodiment of the application is as follows: pouring sand and stone from an opening at one end of the primary drying device 1, which is far away from the conveying device 2, drying the sand and stone by the first heating wire 13, stirring and conveying the sand and stone by the first screw shaft 14, wherein impurities are separated from the surface of the sand and stone, the sand and stone are conveyed by the first screw shaft 14 to an opening at one end, which is close to the conveying device 2, and the sand and stone fall on the conveying belt 22 of the conveying device 2 along the obliquely arranged extension plate 4, the fan 231 blows the impurities mixed in the sand and stone into the ventilation pipe 232 through the necking section 6, the impurities are filtered by the filter screen 233 in the ventilation pipe 232, when the impurities are accumulated too much, the filter screen 233 connected to the ventilation pipe 232 is detached, and the filter screen 233 is cleaned and then put back; in conveyer 2 work, fan 231 is insufflated aerial with impurity to dust cover 5 has been avoided, clean up grit gets into secondary drying device 3 from the conveyer belt 22 output, second screw axis 34 stirs the grit in the secondary drying device 3, second heater strip 33 is dried the grit, the back is accomplished in the stoving, the grit is carried to the receiving silo 7 of placing under the secondary drying device 3 in, promote receiving silo 8 through rolling wheel 8, the grit of having accomplished the stoving in the receiving silo 8 transports required position. This kind of grit drying device can carry out twice stoving, dries again after clearing up grit surface impurity, promotes grit stoving effect.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a grit drying device, its characterized in that, includes primary drying device (1), conveyer (2) and secondary drying device (3), the discharge gate of primary drying device (1) is located directly over conveyer (2) input end, conveyer (2) are including frame (21), conveyer belt (22) and air-dry subassembly (23), conveyer belt (22) install in on frame (21), air-dry subassembly (23) install in on frame (21), and be used for air-drying the grit, conveyer belt (22) output below sets up secondary drying device (3).

2. The sand drying device according to claim 1, wherein the primary drying device (1) comprises a first frame body (11), a first shell body (12), a first heating wire (13) and a first screw shaft (14), the first shell body (12) is obliquely installed on the first frame body (11), the first heating wire (13) is fixed on the inner wall of the first shell body (12), the first screw shaft (14) is rotatably connected to the first shell body (12), and openings are formed in two ends of the first shell body (12).

3. Grit drying apparatus as claimed in claim 1, wherein said conveyor belt (22) is provided with a dust cover (5), and said air drying assembly (23) comprises a blower (231) and a ventilation pipe (232), said blower (231) being connected to one side of said dust cover (5), said ventilation pipe (232) being connected to the dust cover (5) on the other side opposite to said blower (231).

4. Sand drying apparatus according to claim 3, wherein the air drying assembly (23) further comprises a screen (233), the screen (233) being disposed at an end of the ventilation tube (232) remote from the fan (231), the screen (233) being connected to the ventilation tube (232).

5. Gravel drying device according to claim 3, characterized in that a necking section (6) is arranged between the ventilation pipe (232) and the dust cover (5), and the necking section (6) is connected with the ventilation pipe (232) and the dust cover (5).

6. Sand drying device according to claim 1, characterized in that the secondary drying device (3) comprises a second frame (31), a second housing (32), a second heating wire (33) and a second screw shaft (34), the second housing (32) is arranged on the second frame (31), two ends of the second housing (32) are provided with openings, the second heating wire (33) is fixed inside the second housing (32), the second screw shaft (34) is rotatably connected in the second housing (32), and one end of the second housing (32) is opened and positioned right below the output end of the conveying device (2).

7. A sand drying apparatus as claimed in claim 2, wherein an extension plate (4) is attached to the first housing (12) adjacent the conveyor (22), the extension plate (4) being inclined downwardly.

8. Gravel drying device according to claim 6, characterized in that the bottom of the second housing (32) is fixedly communicated with a receiving bin (7), and the bottom of the receiving bin (7) is provided with a rolling wheel (8).