CN203975978U - Full automaticity is stablized combined helical feeder - Google Patents
Full automaticity is stablized combined helical feeder Download PDFInfo
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- CN203975978U CN203975978U CN201420481165.0U CN201420481165U CN203975978U CN 203975978 U CN203975978 U CN 203975978U CN 201420481165 U CN201420481165 U CN 201420481165U CN 203975978 U CN203975978 U CN 203975978U
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- storehouse
- feeder
- vertical screw
- horizontal screw
- screw feeder
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- 239000000463 material Substances 0.000 claims abstract description 53
- 238000007599 discharging Methods 0.000 claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000032258 transport Effects 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000002245 particle Substances 0.000 description 6
- 239000000843 powder Substances 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- PALNZFJYSCMLBK-UHFFFAOYSA-K magnesium;potassium;trichloride;hexahydrate Chemical compound O.O.O.O.O.O.[Mg+2].[Cl-].[Cl-].[Cl-].[K+] PALNZFJYSCMLBK-UHFFFAOYSA-K 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000011345 viscous material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Screw Conveyors (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The utility model discloses full automaticity and stablize combined helical feeder, comprise three vertical screw feeders (5), a horizontal screw feeder (9), main storehouse (4), secondary storehouse (6), secondary bin discharge port external (7), bulky grain discharging trough (12), material position finder (8), mounting bracket (13), described vertical screw feeder (5) and the orthogonal setting of described horizontal screw feeder (9), material is fallen on the vertical screw shaft (51) of three vertical screw feeders (5) after pouring main storehouse (4) into by loader automatically, transport material on the horizontal screw shaft (91) of the horizontal screw feeder (9) in secondary storehouse (6).The utility model has reduced the putty in production process, has hardened and arch formation, has solved a horizontal screw feeder and by material, killed the phenomenon that causes blade often to damage in feed bin; The bulk that enters main storehouse can not can automatically slip out by broken foreign material in secondary storehouse, on secondary storehouse, fill level measuring device is installed, and feeding is more stable, accurately.
Description
Technical field
The utility model belongs to mineral metering feeding device, and particularly a kind of full automaticity is stablized combined helical feeder.
Background technology
Screw machine is mainly used in conveying and the mixing of raw material, the general entity spiral blade that adopts, without underslung bearing, the common conveyor screw of single head of equidistant pitch, it is comprised of a spiral shell rotating shaft that helicallobe is housed, hopper, motor, retarder, coupler, bearing, bearing seat etc., rotating shaft is arranged in hopper two end axles bearing by bearing, and spindle nose and the actuating device of rotating shaft one end are connected; There is charging and discharging mouth hopper end face and hopper bottom surface.The principle of its work is: material is added to feed bin, feed bin is connected with vertical screw feeder owner storehouse, when rotating shaft is rotated, material is subject to the thrust of helicallobe, and the radial component of this thrust and the blade friction force to material, likely sways with material, gravity and the cause of hopper to material friction force due to material itself, just do not rotate together with helicallobe, and under the axial component effect of blade normal thrust, along hopper, move axially.
On raw ore, ore deposit equipment mainly be take screw feeder as main, raw ore is mainly carnallite nugget, particle and powdery hotchpot, water content is high, contained liquid (old halogen) viscosity is higher, its composition MgCl2KCl6H2O is 75～85%, NaCl is 15～25%, insoluble substance is 0～3%, the phenomenon such as these materials are prone to bridge formation, harden in the feed bin of screw feeder, putty.
In order to be applicable to the conveying of piece, particle and the powdery doping viscous material of this high moisture content, need to be on the basis of performance figure of determining screw feeder, screw feeder integral structure and important spare part thereof are designed, invent a kind of novel full automaticity and stablize combined helical feeder.
Summary of the invention
Goal of the invention: overcome the deficiencies in the prior art, reduce putty in production process, harden and arch formation, design a kind of full automaticity and stablize combined helical feeder.
Technical scheme: full automaticity is stablized combined helical feeder, comprise three vertical screw feeders 5, a horizontal screw feeder 9, main storehouse 4, secondary storehouse 6, secondary bin discharge port external 7, bulky grain discharging trough 12, material position finder 8, mounting bracket 13, described vertical screw feeder 5 comprises motor 1, retarder 2, coupler 3, vertical screw shaft 51, vertical helicallobe 10, described horizontal screw feeder 9 comprises motor 1, retarder 2, coupler 3, horizontal screw shaft 91, horizontal helicallobe 11, it is characterized in that: described vertical screw feeder 5 and the orthogonal setting of described horizontal screw feeder 9, the vertical screw shaft 51 of described three vertical screw feeders 5 is positioned at described main storehouse 4, the horizontal screw shaft 91 of a described horizontal screw feeder 9 is positioned at secondary storehouse 6, material is poured on the rear vertical screw shaft 51 of automatically falling into three vertical screw feeders 5 in main storehouse 4 by loader, three common convey materials of vertical screw feeder, transport material on the horizontal screw shaft 91 of a horizontal screw feeder 9 in secondary storehouse, material is transported to processing factory by secondary bin discharge port external 7 feeding band conveyors, make in main storehouse, secondary storehouse and screw machine without dead angle, reduce the rotation length of the halts of material in three vertical spirals, and the hardening and the situation such as bridge formation of material,
On secondary storehouse 6, fill level measuring device 8 is installed, by measured signal, regulates the motor 1 of three vertical screw feeders, with the frequency conversion of motor 1, control main storehouse 4 and enter the feeding capacity in secondary storehouse 6 and the variation of 6 thing positions, secondary storehouse, make feeding capacity more stable;
On secondary storehouse 6, also reserved bulky grain discharging trough 12, entering the bulk in secondary storehouse 6 and foreign material that can not be broken can slip out automatically by described bulky grain discharging trough 12 in the rotation with described horizontal screw feeder 5.
Advantage of the present utility model and beneficial effect: the utility model adopts three vertical and one horizontal screw feeder structures, reduce putty in production process, harden and arch formation; One horizontal screw feeder is shifted out to main storehouse and is separately set in secondary storehouse, solved a horizontal screw feeder and by material, killed the phenomenon that causes blade often to damage in feed bin; The bulk that enters main storehouse can not can automatically slip out by broken foreign material in secondary storehouse, and feeding capacity is more stable; On secondary storehouse, fill level measuring device is installed, available this signal control feeding capacity.The conveying of the utility model collection powder material current stabilization, Weighing and quantitative are made as one, are applicable to powder material continuous measurement and the batching of various industrial production environments; Adopted multinomial pioneering technology, reliable, control accuracy is high; The continuous measurement and the batching that are particularly useful for the industry powder materials such as building materials, metallurgy, electric power, chemical industry.
Accompanying drawing explanation
Fig. 1 is the utility model structure birds-eye view schematic diagram;
Fig. 2 is the utility model structure left view schematic diagram.
Wherein 1, motor; 2, retarder; 3, coupler; 4, main storehouse; 5, vertical screw feeder; 51, vertical screw shaft; 6, secondary storehouse; 7, discharging opening; 8, material meter for measuring level of liquid; 9, horizontal screw feeder; 91, horizontal screw shaft; 10, vertical helicallobe; 11, horizontal helicallobe; 12, bulky grain discharging trough; 13, mounting bracket.
The specific embodiment
In order to make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the drawings and specific embodiments, describe the present invention.
Full automaticity is stablized combined helical feeder, comprise three vertical screw feeders 5, a horizontal screw feeder 9, main storehouse 4, secondary storehouse 6, secondary bin discharge port external 7, bulky grain discharging trough 12, material position finder 8, mounting bracket 13, described vertical screw feeder 5 comprises motor 1, retarder 2, coupler 3, vertical screw shaft 51, vertical helicallobe 10, described horizontal screw feeder 9 comprises motor 1, retarder 2, coupler 3, horizontal screw shaft 91, horizontal helicallobe 11, it is characterized in that: described vertical screw feeder 5 and the orthogonal setting of described horizontal screw feeder 9, the vertical screw shaft 51 of described three vertical screw feeders 5 is positioned at described main storehouse 4, the horizontal screw shaft 91 of a described horizontal screw feeder 9 is positioned at secondary storehouse 6, material is poured on the rear vertical screw shaft 51 of automatically falling into three vertical screw feeders 5 in main storehouse 4 by loader, three common convey materials of vertical screw feeder, transport material on the horizontal screw shaft 91 of a horizontal screw feeder 9 in secondary storehouse, material is transported to processing factory by secondary bin discharge port external 7 feeding band conveyors, make in main storehouse, secondary storehouse and screw feeder without dead angle, reduce the rotation length of the halts of material in three vertical screw feeders, and the hardening and the situation such as bridge formation of material,
On secondary storehouse 6, fill level measuring device 8 is installed, by measured signal, regulates the motor 1 of three vertical screw feeders, with the frequency conversion of motor 1, control main storehouse 4 and enter the feeding capacity in secondary storehouse 6 and the variation of 6 thing positions, secondary storehouse, make feeding capacity more stable;
On secondary storehouse 6, also reserved bulky grain discharging trough 12, entering the bulk in secondary storehouse 6 and foreign material that can not be broken can slip out automatically by described bulky grain discharging trough 12 in the rotation with described horizontal screw feeder 5.
Described full automaticity is stablized the technical parameter of combined helical feeder and is selected:
1, the helicallobe of screw feeder has entity spiral face type, belt type spiral face type and blade screw face type, adopts entity spiral face here, is applicable powdery and piece material, and its screw pitch equals diameter.
2, three vertical helix parameters calculate
(1), the calculating of screw machine diameter
First requiring a vertical operational throughput is 400 tons/hour, gets maximum delivery, amplifies and carries 1.2 times of coefficients, therefore operational throughput is 240 tons/hour, gets 480 tons/hour and calculates.
According to formula:
Wherein:
for fullness coefficient is 0.25;
ρ is that material loosening density is 1.18;
C is that inclination factor is 1;
K is that the characteristic coefficient of material is 0.049.
According to above condition, obtain screw machine outer tube diameter:
For sorting material D >=(4-6) dk
Wherein: the maximum particle size that dk is material, because the maximum particle size of raw ore is 120mm;
, D >=120 * 6=720mm;
According to above condition the design, get the outer tube diameter of screw machine and get 820mm.
The rotating shaft d of conveyor screw is:
d＝(0.2—0.35)×820
The scope of d at 164mm between 287mm;
It is 245mm that the diameter of screw shaft is selected in this design.
(2), the calculating of screw machine pitch
The pitch of screw machine is: S=K * D
The value of K is 0.8～1.0 to get 0.8
Therefore S=820x0.8=656mm, this design pitch is got 600mm.
(3), the calculating of screw machine rotating speed
Speed of screw shaft is meeting under the condition of traffic capacity unsuitable too highly, tossed in order to avoid material is subject to excessive tangential force, so that cannot be fed forward, and therefore, the rotation speed n of screw machine can not surpass a certain limit speed nj.
By formula:
:
Here we get minimum fullness coefficient and ask maximum rotating speed, and through rounding, selecting the rotating speed of screw machine is 78r/min.
(4), the checking of fullness coefficient
With the numerical value after screw diameter D and rotation speed n rounding, fullness coefficient is verified,
Because 0.252 between 0.25 to 0.35, so the fullness coefficient of choosing meets the demands.
(5), the calculating of screw machine power
The required shp P0 of screw machine can be determined by following formula:
P
0＝QLμ/367+QL/20+QLsinβ/367(KW)
L-screw machine horizontal length L=3980mm in formula;
The drag coefficient of μ-material is 2.5;
β-for inclination angles be 0 °;
So
P
0＝480×3.98×2.5/367+480×3.98/20+0＝108.53KW
(6), motor power (output)
K1 in formula---power backup coefficient, to Y-series electrical motor K1=1.0;
η---actuating device net effciency, generally gets 0.9-0.94;
So:
Due to
1.3914≤1.5462, so meet the demands.
In actual production, we adopt 132KW frequency control motor just can meet the requirement of producing.
3, the calculating of a horizontal screw machine
(1), the calculating of screw machine diameter
First requiring a vertical operational throughput is 400 tons/hour, gets 1.5/3 the calculating of maximum delivery of conveyer, therefore get operational throughput, is 200 tons/hour.
According to formula:
Wherein:
for fullness coefficient is 0.25;
ρ is that material loosening density is 1.18;
C is that inclination factor is 1;
K is that the characteristic coefficient of material is 0.049.
According to above condition, obtain screw machine outer tube diameter:
For sorting material D >=(4-6) dk;
Wherein: the maximum particle size that dk is material, because the maximum particle size of crude salt is 120mm, D >=120 * 5=600mm;
The outer tube diameter of getting screw machine according to above condition is 600mm;
The mandrel of conveyor screw is: d=0.2-0.35 * 600;
The scope of d is at 120mm between 210mm, and the diameter that selects screw shaft is here 180mm.
(2), the calculating of screw machine pitch
It is 450mm that the pitch of screw machine is selected in this design.
(3), the calculating of screw machine rotating speed
Speed of screw shaft is meeting under the condition of traffic capacity unsuitable too highly, tossed in order to avoid material is subject to excessive tangential force, so that cannot be fed forward, and therefore, the rotation speed n of screw machine can not surpass a certain limit speed nj.
By formula
:
Here we get minimum fullness coefficient and ask maximum rotating speed, and through rounding, selecting the rotating speed of screw machine is 89r/min.
(4), the checking of fullness coefficient
With the numerical value after screw diameter D and rotation speed n rounding, fullness coefficient is verified,
Because 0.2501 between 0.25 to 0.35, so the fullness coefficient of choosing meets the demands.
(4), the calculating of screw machine power
The required shp P0 of screw machine can be determined by following formula:
P
0＝QLμ/367+QL/20+QLsinβ/367(KW)
L in formula---conveyor screw horizontal length.L＝3380mm；
The drag coefficient of μ---material, it is 2.5 that the 15-3 that tables look-up obtains drag coefficient;
β---be angle of inclination, angle of inclination is 0 °;
So
P
0＝200×3.38×2.5/367+200×3.38/20+0＝38.41KW
(5), motor power (output)
K1 in formula---power backup coefficient, to Y-series electrical motor K1=1.0;
η
---actuating device net effciency, generally get 0.9-0.94;
So
Due to
0.4316≤0.4794, so meet the demands;
In actual production, we adopt 45KW motor just can meet the requirement of producing.
Claims (3)
1. full automaticity is stablized combined helical feeder, comprise three vertical screw feeders (5), a horizontal screw feeder (9), main storehouse (4), secondary storehouse (6), secondary bin discharge port external (7), bulky grain discharging trough (12), material position finder (8), mounting bracket (13), it is characterized in that:
Described vertical screw feeder (5) comprises motor (1), retarder (2), coupler (3), vertical screw shaft (51), vertical helicallobe (10), described horizontal screw feeder (9) comprises motor (1), retarder (2), coupler (3), horizontal screw shaft (91), horizontal helicallobe (11), described vertical screw feeder (5) and the orthogonal setting of described horizontal screw feeder (9), the vertical screw shaft (51) of described three vertical screw feeders (5) is positioned at described main storehouse (4), the horizontal screw shaft (91) of a described horizontal screw feeder (9) is positioned at secondary storehouse (6), material is fallen on the vertical screw shaft (51) of three vertical screw feeders (5) after pouring main storehouse (4) into by loader, the common convey materials of three vertical screw feeders (5), the horizontal screw shaft (91) that transports material to the horizontal screw feeder (9) in secondary storehouse (6) is upper, and material is transported to processing factory by secondary bin discharge port external (7) feeding band conveyor.
2. full automaticity according to claim 1 is stablized combined helical feeder, it is characterized in that: fill level measuring device (8) is installed on described secondary storehouse (6), by measured signal, regulate the motor (1) of three vertical screw feeders, with the frequency conversion of motor (1), control main storehouse (4) and enter the feeding capacity in secondary storehouse (6) and the variation of thing position, secondary storehouse (6).
3. full automaticity according to claim 1 is stablized combined helical feeder, it is characterized in that: on described secondary storehouse (6), also reserved bulky grain discharging trough (12), entering the bulk in described secondary storehouse (6) and foreign material that can not be broken can slip out automatically by described bulky grain discharging trough (12) in the rotation with described horizontal screw feeder (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420481165.0U CN203975978U (en) | 2014-08-25 | 2014-08-25 | Full automaticity is stablized combined helical feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420481165.0U CN203975978U (en) | 2014-08-25 | 2014-08-25 | Full automaticity is stablized combined helical feeder |
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| Publication Number | Publication Date |
|---|---|
| CN203975978U true CN203975978U (en) | 2014-12-03 |
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|---|---|---|---|
| CN201420481165.0U Expired - Lifetime CN203975978U (en) | 2014-08-25 | 2014-08-25 | Full automaticity is stablized combined helical feeder |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114707273A (en) * | 2022-04-12 | 2022-07-05 | 扬州大学 | Method for designing precise micro spiral conveying mechanism |
| CN115254990A (en) * | 2022-08-11 | 2022-11-01 | 本钢板材股份有限公司 | Method for preventing horizontal loop steel wire rope from slipping |
-
2014
- 2014-08-25 CN CN201420481165.0U patent/CN203975978U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114707273A (en) * | 2022-04-12 | 2022-07-05 | 扬州大学 | Method for designing precise micro spiral conveying mechanism |
| CN115254990A (en) * | 2022-08-11 | 2022-11-01 | 本钢板材股份有限公司 | Method for preventing horizontal loop steel wire rope from slipping |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141203 |