CN206974018U - A kind of quartz sand drying equipment - Google Patents
A kind of quartz sand drying equipment Download PDFInfo
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- CN206974018U CN206974018U CN201720508257.7U CN201720508257U CN206974018U CN 206974018 U CN206974018 U CN 206974018U CN 201720508257 U CN201720508257 U CN 201720508257U CN 206974018 U CN206974018 U CN 206974018U
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Abstract
The utility model discloses a kind of quartz sand drying equipment, including housing, drier and drive device, drier to be arranged in housing, and is connected with shell body outer driving device；The drier includes electric heating element, air film, drying frame and air exhauster；Electric heating element is arranged on top in housing with air film by supporting plate one, and supporting plate one is respectively arranged below with drying frame and air exhauster, and air constantly circulates by air film, electric heating element, drying frame, air exhauster successively in the presence of air exhauster；The air exhauster is connected by transmission mechanism with external driver device, and electric heat source is connected with electric heating element；Pass through the ingehious design of drying equipment, so that quartz sand drying equipment drying effect of the present utility model is good, drying frame is not easily susceptible to the damage of hot-air, drying frame service life is grown, quartz sand is dried by using the continuous circulation of hot-air, capacity usage ratio is high, and avoids the contamination phenomenon to environment, whole drying equipment structure is simple, uses simple operation.
Description
Technical field
A kind of drying device is the utility model is related to, especially a kind of drying equipment of quartz sand.
Background technology
Quartz sand is a kind of important raw material of industry, and its application is very extensive, be mainly used in glassware, optical glass,
The industries such as television set glass bulb, ceramics, computer, refractory material；Also there is certain application with gypsum industry metallurgical, with reform
The trans-corporation of open deep development, some external glass industries and household electric appliances founds the factory in China's investment in succession.In word
In youngster's industry, quartz sand mixes with other raw materials of industry and is previously required to be dried, and at present, the purification by mineral of quartz sand is mainly
It is mainly surface water using technique, quartz sand moisture contents such as scouring, magnetic separation and flotation, is easier to remove, so quartz sand
Stoving process is mainly in terms of yield size, finished product materials characteristic, whether easy to operate, one-time investment and running cost
Consider.
The drying mode of quartz sand mainly has rotary kiln drying, hot air convective drying, fluidized bed drying, infra-red drying and micro-
Ripple drying etc..Heat energy caused by hot air convective drying generally use fuel oil and combustion gas, when being in contact using quartz sand with hot-air,
Heat energy is reached quartz sand surface by hot-air, and the inside of material is transferred to by surface.Moisture in quartz sand is led to by surface of material
Air film is crossed to be diffused into hot-air.Hot blast gas flow rate is big, airflow drying tube serious wear；Hot blast temperature is too high, the thermal efficiency is low,
And use heavy oil as fuel more, the pollutant such as hydrocarbon, sulfide and polycyclic aromatic hydrocarbon caused by burning, easily cause environment dirt
Dye；The Hot wet air heating that hothouse comes out all is directly discharged into air, and the Hot wet air heating so discharged contains substantial amounts of sensible heat and latent heat,
Cause the energy utilization efficiency of drying equipment very low.
The content of the invention
Goal of the invention of the present utility model is：For above-mentioned problem, there is provided a kind of quartz sand drying equipment and
Its control system, pass through the ingehious design of drying equipment and the reasonable setting of drying control system so that stone of the present utility model
Sand drying equipment drying effect is good, and drying frame is not easily susceptible to the damage of hot-air, and drying frame service life is grown, by using
Quartz sand is dried for the continuous circulation of hot-air, and capacity usage ratio is high, and avoids the contamination phenomenon to environment, whole dry
Dry device structure is simple, uses simple operation.
The technical solution adopted in the utility model is as follows：
A kind of quartz sand drying equipment of the present utility model, including housing, drier and drive device, drier are set
Put in housing, and be connected with shell body outer driving device；The drier includes electric heating element, air film, drying frame and exhausting
Machine；The electric heating element is arranged on top, supporting plate one in housing by supporting plate one with air film and is respectively arranged below with drying frame
And air exhauster, air constantly circulate by air film, electric heating element, drying frame, air exhauster successively in the presence of air exhauster；It is described
Air exhauster is connected by transmission mechanism with external driver device, and electric heat source is connected with electric heating element.Pass through electric heating element, air film
And the rational position of drying equipment and air exhauster is set so that the moisture in quartz sand arrives hot-air by what air film spread
In, electric heating element further heats the air-flow of flowing so that and the moisture of quartz sand surface is quickly lost in air-flow, so as to
The well dried effect of quartz sand is realized, quartz sand drying equipment structure of the present utility model is simple, and capacity usage ratio is high, and keeps away
Exempt from environmental pollution caused by being dried using fuel, its use cost is low.
A kind of quartz sand drying equipment of the present utility model, the drying frame include support body, fixed drying plate, movable roll shaft
With movable drying plate；The support body is rectangular box, and the upper surface of the rectangular box is spelled by fixing drying plate and movable drying plate
It is connected into the surface plate of closing；The fixed drying plate is fixedly connected with support body, and the movable drying plate is arranged on movable roll shaft,
It is connected by movable roll shaft with support body；The movable roll shaft is connected by bearing with support body.Done by drying the fixation on support body
Dry plate is movable seamless spliced with movable drying plate so that what quartz sand can be stablized can also be periodic while being dried
The use of drying plate is adjusted, avoids drying plate from passing through due to occurring the damage to drying plate in hot-air highly circulates for a long time
Setting some groups of activity drying plates, periodically alternately carrying quartz sand is dried, and is gone back while reducing the use cost of equipment
Avoid because equipment component damage must be changed cumbersome in time, saved labour cost.
The utility model is further arranged to：The movable roll shaft is connected by rotating shaft with external driver device, and
Synchronous axial system in the presence of drive device.By the way that synchronously driving turns an angle by all movable roll shafts, adjacent work ensure that
Synchronism between dynamic drying plate or between fixed drying plate and movable drying plate so that the drying of the material of drying frame is orderly
Carry out.
The utility model is further arranged to：The movable roll shaft be provided with it is some, and be not evenly arranged on root activity roll shaft
Some movable drying plates；The movable drying plate is fixedly connected with movable roll shaft, the movable drying plate phase on adjacent activities roll shaft
Mutual seamless spliced cooperation.By the movable drying plate synchronous rotary of the rotation of movable roll shaft to next working face, mutually hand over
For effect, disperse the loss ratio to equipment, improve the service life of relevant device parts.
The utility model is further arranged to：Movable roll shaft described in every is up to evenly equipped with two groups of activity drying plates less；
The fixed drying plate and movable drying plate are set square, and fixed drying plate is dried with movable drying plate and adjacent activity
It is intermeshed between plate seamless spliced.By setting multigroup movable drying plate so that drying plate can alternately be made in the drying process
With, reduce its damage efficiency, so as to reduce the labour cost of maintenance rate and its required consuming, improve the utility model
The drying efficiency of quartz sand drying equipment, wipe and caused mutually to intert splicing between set square with the drying plate using triangle tabular,
Ensure the stability and compactedness of structure.
A kind of quartz sand drying equipment of the present utility model, the drier also include supporting plate two, the and of supporting plate three
Wind deflector；The supporting plate two and supporting plate three are parallel to each other with the vertical connection of supporting plate one, supporting plate two with supporting plate three
Set；The supporting plate two is connected with air exhauster air inlet, and supports air exhauster, and some wind deflectors are connected in supporting plate three；Institute
It is solid harden structure to state supporting plate two, and forms closing connection with housing, supporting plate one；The supporting plate three is reticular lamina, is supplied
Air passes through under air exhauster effect；Air outlet one end that the supporting plate one is located at air exhauster is network structure.Air draught
In the presence of air exhauster, and under the structure setting of each supporting plate, once by air exhauster, pass through the branch above air exhauster
Network structure on fagging one goes out by air film, by placing drying frame in wind deflector after further being heated by electric heating element
In the presence of pass through supporting plate three, it is last to enter air exhauster entrance again, moved in circles with this and it be dried away to quartz sand
The moisture on surface, hot-air is constantly rationally recycled using air flow, while improving the utilization rate of heat energy, ensure that
The drying effect of quartz sand, its is simple in construction, uses simple operation.
The utility model is further arranged to：The wind deflector is located at below drying frame, and is obliquely installed along air flow
In supporting plate three；There is wind deflector the both sides of the supporting plate three, and both sides wind deflector is connected with each other integral.The knot of wind deflector
Structure, which designs, causes air is easy to be driven by air exhauster to flow, and contributes to the real-time monitoring to air velocity, wind deflector and supporting plate
Three installation site determines the flow velocity of air to a certain extent so that equipment regulation and control are easy to use.
The utility model is further arranged to：The wind deflector and the angle of supporting plate three are 60 ° -90 °, both sides wind deflector
The angle that connection is formed is 105 ° -165 °.The setting of angle, the wind effect and wind-guiding efficiency of wind deflector are ensure that, ensure that
The stability and reasonability of air velocity.
A kind of control system of quartz sand drying equipment, including it is temperature sensor, humidity sensor, pneumatic sensor, dry
Dry frame revolution detector, drying frame angle detector and controller；The electric heating element, air exhauster, temperature sensor, humidity pass
Sensor, drying frame revolution detector, drying frame angle detector are electrically connected with controller；The temperature sensor and humidity
Sensor is arranged in housing；The drying frame revolution detector and drying frame angle detector are arranged at movable roll shaft
On；Wind deflector angle detector and angle adjusting mechanism, the angle adjusting mechanism and controller are additionally provided with the wind deflector
It is electrically connected with.
Further, the control method of quartz sand drying equipment control system of the present utility model is：Temperature sensor detects
Air temperature value t1 and controller is sent a signal in housing, air humidity value pw1 and transmitted in humidity sensor detection housing
Signal is to controller, and pneumatic sensor detects air velocity sq1 in housing and sends a signal to controller, and controller receives above-mentioned
Signal and compared with initial temperature t0, humidity pw0；Work as t1>- 800 DEG C of t0=700 DEG C, controller control electric heating element, drop
Low calorie, and control air exhauster to increase air draft speed and improve air velocity so that 8m/s<sq1<12m/s, according to wind deflector angle
The angle value regulation and control wind deflector angle adjusting mechanism of detector detection, increase the wind-guiding angle of wind deflector；On the contrary, work as t1<t0=
700 DEG C -800 DEG C, controller control electric heating element heating acting, and control air exhauster to reduce air draft speed and reduce air velocity,
So that 5m/s<sq1<8m/s, the angle value detected according to wind deflector angle detector regulate and control wind deflector angle adjusting mechanism, reduced
The wind-guiding angle of wind deflector；As pw1=pw0=3%-10%, controller stops drying after maintaining parameter current state 2s-5s, and
Unload dried quartz sand；Controller is according to the Digital Signals of drying frame revolution detector and drying frame angle detector
Movable roll shaft turns an angle in drying frame so that next movable drying plate enters working condition, and repeats above-mentioned controlled
Journey.Above-mentioned control process is on the premise of control parameter is set so that quartz sand has good drying effect so that it is dried
Efficiency is higher, and control system and the reasonable combination of drying equipment are used so that drying equipment is controlled and adjusted in real time, is ensured
The Optimality of dry environment, so as to ensure that the good stability of drying effect, its system architecture is simple, easy to control, tool
There is good use value.
In summary, by adopting the above-described technical solution, the beneficial effects of the utility model are：
1st, simple in construction, low manufacture cost is easy to use；
2nd, pass through the structure setting to drying frame so that drying frame can alternating action, it is empty by heat is dried to reduce drying frame
The infringement of gas, improve be equipment service life and safeguard curing cycle；
3rd, control system and the reasonable combination of drying equipment are used, the parameters such as temperature, humidity is monitored in real time, and in real time
Regulation and control, improve the utilization rate of drying efficiency and equipment, reduce drying time；
4th, environmental pollution is small.
Brief description of the drawings
Fig. 1 is the internal structure schematic diagram of quartz sand drying equipment of the present utility model；
Fig. 2 is the another schematic diagram of quartz sand drying equipment internal structure of the present utility model；
Fig. 3 is the structural representation of drying frame；
Fig. 4 is the sectional view of drying frame structure；
Fig. 5 is the structural representation of movable drying plate one；
Fig. 6 is the sectional view of the another structure of drying frame；
Fig. 7 is the structural representation of movable drying plate two；
Marked in figure：1- housings, 2- electric heating elements, 3- air films, 4- supporting plates one, 5- air exhausters, 6- motors, 7- branch
Fagging two, 8- supporting plates three, 9- drying frames, 901- support bodys, 902- fix drying plate, 903- activity roll shafts, and 904- activities are dried
Plate one, 905- connecting shafts, 906- bearings, 907- activities drying plate two, 10- quartz sands, 11- wind deflectors, 12- rotating shafts.
Embodiment
The utility model is described in detail with reference to embodiment.
In order that the object, technical solution and advantage of invention are more clearly understood, it is with reference to embodiments, new to this practicality
Type is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the utility model, and
It is not used in restriction the utility model.
Embodiment 1
A kind of quartz sand drying equipment, including housing 1, drier and drive device, drier are arranged on housing 1
It is interior, and be connected with 1 outer drive device of housing；The drier includes electric heating element 2, air film 3, drying frame 9 and air exhauster 5；
The electric heating element 2 is arranged on top, supporting plate 1 in housing 1 by supporting plate 1 with air film 3 and is respectively arranged below with drying
Frame 9 and air exhauster 5, air are continuous by air film 3, electric heating element 2, drying frame 9, air exhauster 5 successively in the presence of air exhauster 5
Circulation；The air exhauster 5 is connected by transmission mechanism with external driver device, and electric heat source is connected with electric heating element 2.Drying frame
9 include support body 901, fixed drying plate 902, movable roll shaft 903 and movable drying plate；The support body 901 is rectangular box, the square
The upper surface of shape framework is spliced into the surface plate of closing by fixing drying plate 902 and movable drying plate；The fixed drying plate 902
It is fixedly connected with support body 901, the movable drying plate is arranged on movable roll shaft 903, passes through movable roll shaft 903 and support body 901
Connection；The movable roll shaft 903 is connected by bearing 906 with support body 901, and movable roll shaft 903 passes through movable roll shaft with bearing 906
Connecting shaft 905 on 903 connects.Movable roll shaft 903 is connected by rotating shaft 12 with external driver device, and in drive device
The lower synchronous axial system of effect.Movable roll shaft 903 be provided with it is some, and some movable drying plates be not evenly arranged on root activity roll shaft 903
One 904；The movable drying plate is fixedly connected with movable roll shaft 903, the mutual nothing of movable drying plate on adjacent activities roll shaft 903
Seam splicing coordinates.Two groups of activity drying plates are at least evenly equipped with movable roll shaft 903 described in every；The fixed drying plate 902
It is set square with movable drying plate 1, fixed drying plate 902 is dried with movable drying plate 1 and adjacent activity
It is intermeshed between plate 1 seamless spliced.Drier also includes supporting plate two, supporting plate three and wind deflector 11；The branch
Fagging two and supporting plate three are arranged in parallel with the vertical connection of supporting plate 1, supporting plate two and supporting plate three；The support
Plate two is connected with the air inlet of air exhauster 5, and supports air exhauster 5, and some wind deflectors 11 are connected in supporting plate three；The supporting plate two
For solid harden structure, and closing connection is formed with housing 1, supporting plate 1；The supporting plate three is reticular lamina, is being taken out for air
Blower fan 5 act under through；Air outlet one end that the supporting plate 1 is located at air exhauster 5 is network structure.Wind deflector 11 is positioned at dry
The dry lower section of frame 9, and be inclined at along air flow in supporting plate three；There is a wind deflector 11 both sides of the supporting plate three, and two
Side wind deflector 11 is connected with each other integrally.Wind deflector 11 and the angle of supporting plate three are 60 °, and the connection of both sides wind deflector 11 is formed
Angle is 135 °.
Embodiment 2
A kind of quartz sand drying equipment, including housing 1, drier and drive device, drier are arranged on housing 1
It is interior, and be connected with 1 outer drive device of housing；The drier includes electric heating element 2, air film 3, drying frame 9 and air exhauster 5；
The electric heating element 2 is arranged on top, supporting plate 1 in housing 1 by supporting plate 1 with air film 3 and is respectively arranged below with drying
Frame 9 and air exhauster 5, air are continuous by air film 3, electric heating element 2, drying frame 9, air exhauster 5 successively in the presence of air exhauster 5
Circulation；The air exhauster 5 is connected by transmission mechanism with external driver device, and electric heat source is connected with electric heating element 2.Drying frame
9 include support body 901, fixed drying plate 902, movable roll shaft 903 and movable drying plate；The support body 901 is rectangular box, the square
The upper surface of shape framework is spliced into the surface plate of closing by fixing drying plate 902 and movable drying plate；The fixed drying plate 902
It is fixedly connected with support body 901, the movable drying plate is arranged on movable roll shaft 903, passes through movable roll shaft 903 and support body 901
Connection；The movable roll shaft 903 is connected by bearing 906 with support body 901, and movable roll shaft 903 passes through movable roll shaft with bearing 906
Connecting shaft 905 on 903 connects.Movable roll shaft 903 is connected by rotating shaft 12 with external driver device, and in drive device
The lower synchronous axial system of effect.Movable roll shaft 903 be provided with it is some, and some movable drying plates be not evenly arranged on root activity roll shaft 903
2 907；The movable drying plate 2 907 is fixedly connected with movable roll shaft 903, the movable drying plate on adjacent activities roll shaft 903
2 907 mutual seamless spliced cooperations.Two groups of activity drying plates 2 907 are at least evenly equipped with movable roll shaft 903 described in every；Institute
It is triangular pyramidal that fixed drying plate 902, which is stated, with movable drying plate 2 907, and triangular pyramidal one side is plane, and another side is to arc
Face, as shown in Figure 6 and Figure 7, nothing is intermeshed between fixed drying plate 902 and movable drying plate and adjacent movable drying plate
Seam splicing.Drier also includes supporting plate two, supporting plate three and wind deflector 11；The supporting plate two and supporting plate three with branch
The vertical connection of fagging 1, supporting plate two and supporting plate three are arranged in parallel；The supporting plate two connects with the air inlet of air exhauster 5
Connect, and support air exhauster 5, some wind deflectors 11 are connected in supporting plate three；The supporting plate two is solid harden structure, and and housing
1st, supporting plate 1 forms closing connection；The supporting plate three is reticular lamina, is passed through for air under the effect of air exhauster 5；The branch
Air outlet one end that fagging 1 is located at air exhauster 5 is network structure.Wind deflector 11 is located at the lower section of drying frame 9, and along air flow
It is inclined in supporting plate three；There is wind deflector 11 both sides of the supporting plate three, and both sides wind deflector 11 is interconnected to one
Body.Wind deflector 11 and the angle of supporting plate three are 75 °, and the angle that the connection of both sides wind deflector 11 is formed is 145 °.
Embodiment 3
A kind of control system of the quartz sand drying equipment based on above-described embodiment, including temperature sensor, humidity sensor
Device, pneumatic sensor, drying frame revolution detector, drying frame angle detector and controller；The electric heating element 2, air exhauster
5th, temperature sensor, humidity sensor, drying frame revolution detector, drying frame angle detector are electrically connected with controller；
The temperature sensor and humidity sensor are arranged in housing 1；The drying frame revolution detector and the inspection of drying frame angle
Device is surveyed to be arranged on movable roll shaft；Wind deflector angle detector and angle adjusting mechanism, institute are additionally provided with the wind deflector 11
Angle adjusting mechanism is stated to be electrically connected with controller.
Its control method is：Temperature sensor detects air temperature value t1 in housing 1 and sends a signal to controller, humidity
Sensor detects air humidity value pw1 in housing 1 and sends a signal to controller, air stream in pneumatic sensor detection housing 1
Fast sq1 simultaneously sends a signal to controller, and controller receives above-mentioned signal and compared with initial temperature t0, humidity pw0；Work as t1
>T0=750 °C, controller control electric heating element 2, reduce heat energy, and control air exhauster 5 to increase air draft speed and improve air velocity,
So that 8m/s<sq1<12m/s, the angle value detected according to wind deflector angle detector regulate and control wind deflector angle adjusting mechanism, increased
Add the wind-guiding angle of wind deflector；On the contrary, work as t1<T0=750 °C, the controller control heating acting of electric heating element 2, and control exhausting
Machine 5 reduces air draft speed and reduces air velocity so that 5m/s<sq1<8m/s, the angle detected according to wind deflector angle detector
Value regulation and control wind deflector angle adjusting mechanism, reduce the wind-guiding angle of wind deflector；As pw1=pw0=3%-10%, controller maintains to work as
Stop drying after preceding parameter state 2s-5s, and unload dried quartz sand；Controller is according to drying frame revolution detector and does
Movable roll shaft turns an angle in the Digital Signals drying frame of dry frame angle detector so that next movable drying plate enters
Enter working condition, and repeat above-mentioned control process.
Obviously, above-described embodiment is just for the sake of the done citing of clearly explanation, and is not the restriction to embodiment.
To those of ordinary skill in the art, other various forms of changes or change can also be made on the basis of the above description
It is dynamic.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change or change thus extended out
Move still in the scope of protection of the utility model.
Claims (8)
1. a kind of quartz sand drying equipment, it is characterised in that including housing（1）, drier and drive device, drier set
Put in housing（1）It is interior, and and housing（1）Outer drive device connection；The drier includes electric heating element（2）, air film（3）、
Drying frame（9）And air exhauster（5）；The electric heating element（2）With air film（3）Pass through supporting plate one（4）It is arranged on housing（1）On interior
Side, supporting plate one（4）It is respectively arranged below with drying frame（9）And air exhauster（5）, air is in air exhauster（5）In the presence of pass through successively
Cross air film（3）, electric heating element（2）, drying frame（9）, air exhauster（5）Constantly circulation；The air exhauster（5）By transmission mechanism with
External driver device connects, electric heating element（2）On be connected with electric heat source.
2. quartz sand drying equipment as claimed in claim 1, it is characterised in that the drying frame（9）Including support body（901）、
Fixed drying plate（902）, movable roll shaft（903）With movable drying plate；The support body（901）For rectangular box, the rectangular box
Upper surface by fixing drying plate（902）The surface plate of closing is spliced into movable drying plate；The fixed drying plate（902）With
Support body（901）It is fixedly connected, the movable drying plate is arranged in movable roll shaft（903）On, pass through movable roll shaft（903）With support body
（901）Connection；The movable roll shaft（903）Pass through bearing and support body（901）Connection.
3. quartz sand drying equipment as claimed in claim 2, it is characterised in that the movable roll shaft（903）Pass through rotating shaft
（12）It is connected with external driver device, and the synchronous axial system in the presence of drive device.
4. quartz sand drying equipment as claimed in claim 3, it is characterised in that the movable roll shaft（903）Provided with some, do not have
Root activity roll shaft（903）On be evenly arranged some movable drying plates；The movable drying plate and movable roll shaft（903）It is fixed to connect
Connect, adjacent activities roll shaft（903）On the mutually seamless spliced cooperation of movable drying plate.
5. quartz sand drying equipment as claimed in claim 4, it is characterised in that the movable roll shaft described in every（903）Up to
Two groups of activity drying plates are evenly equipped with less；The fixed drying plate（902）It is set square with movable drying plate, fixed drying plate
（902）It is intermeshed between movable drying plate and adjacent movable drying plate seamless spliced.
6. the quartz sand drying equipment as any one of claim 1-5, it is characterised in that the drier also includes
Supporting plate two, supporting plate three and wind deflector（11）；The supporting plate two and supporting plate three with supporting plate one（4）Vertical connection,
Supporting plate two and supporting plate three are arranged in parallel；The supporting plate two and air exhauster（5）Air inlet connects, and supports air exhauster
（5）, some wind deflectors are connected in supporting plate three（11）；The supporting plate two is solid harden structure, and and housing（1）, supporting plate
One（4）Form closing connection；The supporting plate three is reticular lamina, for air in air exhauster（5）Under effect through；The supporting plate
One（4）Positioned at air exhauster（5）Air outlet one end be network structure.
7. quartz sand drying equipment as claimed in claim 6, it is characterised in that the wind deflector（11）Positioned at drying frame（9）
Lower section, and be inclined at along air flow in supporting plate three；There is wind deflector the both sides of the supporting plate three（11）, both sides are led
Aerofoil（11）It is connected with each other integral.
8. quartz sand drying equipment as claimed in claim 7, it is characterised in that the wind deflector（11）With the folder of supporting plate three
Angle is 60 ° -90 °, both sides wind deflector（11）The angle that connection is formed is 105 ° -165 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720508257.7U CN206974018U (en) | 2017-05-09 | 2017-05-09 | A kind of quartz sand drying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720508257.7U CN206974018U (en) | 2017-05-09 | 2017-05-09 | A kind of quartz sand drying equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206974018U true CN206974018U (en) | 2018-02-06 |
Family
ID=61412284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720508257.7U Expired - Fee Related CN206974018U (en) | 2017-05-09 | 2017-05-09 | A kind of quartz sand drying equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206974018U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969600A (en) * | 2017-05-09 | 2017-07-21 | 尹国祥 | A kind of quartz sand drying equipment |
-
2017
- 2017-05-09 CN CN201720508257.7U patent/CN206974018U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969600A (en) * | 2017-05-09 | 2017-07-21 | 尹国祥 | A kind of quartz sand drying equipment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180206 Termination date: 20180509 |
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| CF01 | Termination of patent right due to non-payment of annual fee |