CN212916554U - Mechanism sand pneumatic cycle gumming device - Google Patents
Mechanism sand pneumatic cycle gumming device Download PDFInfo
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- CN212916554U CN212916554U CN202021266163.1U CN202021266163U CN212916554U CN 212916554 U CN212916554 U CN 212916554U CN 202021266163 U CN202021266163 U CN 202021266163U CN 212916554 U CN212916554 U CN 212916554U
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- 239000004576 sand Substances 0.000 title claims abstract description 64
- 230000007246 mechanism Effects 0.000 title claims abstract description 28
- 239000000843 powder Substances 0.000 claims abstract description 40
- 238000011084 recovery Methods 0.000 claims description 12
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 10
- 239000002245 particle Substances 0.000 description 7
- 239000004575 stone Substances 0.000 description 7
- 239000002994 raw material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 235000013312 flour Nutrition 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000007885 magnetic separation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a mechanism sand pneumatic cycle gumming device, include: the air inlet at the lower end of the air pipe is connected with an air supply device; the feed hopper is arranged on the outer side of the air pipe; the powder removing device comprises at least two guide plates, a plurality of powder removing through holes are uniformly distributed on each guide plate, the two guide plates are transversely arranged in an air duct and are vertically distributed at intervals, and each guide plate is obliquely arranged; the upper guide plate is a first guide plate, the lower guide plate is a second guide plate, the upper end of the first guide plate is communicated with the lower end outlet of the feed hopper, and the lower end of the first guide plate is communicated with the upper end of the second guide plate through a circulating channel; and the discharge hopper is arranged below the feed hopper, and the lower end of the second guide plate is communicated with the inlet at the upper end of the discharge hopper. Adopt the utility model discloses a gumming device can carry out twice at least circulation gumming to the mechanism sand, has the gumming effectual, can make full use of wind energy, reduce energy resource consumption and improve work efficiency's advantage.
Description
Technical Field
The utility model relates to a machine-made sand gumming field, in particular to pneumatic circulation gumming device of machine-made sand.
Background
The content of the stone powder with the particle size less than 0.075mm is a key index for controlling the quality of the manufactured sand. In the production process of the machine-made sand, methods such as an air flow sorting method, a screening method, a water washing method, a magnetic separation method and the like are mainly adopted to control the stone powder content of the machine-made sand. The screening method is time-consuming and is not suitable for large-scale industrial production; the washing method is easy to cause the loss of small-particle-size particles in machine-made sand and influence the gradation of the machine-made sand; the magnetic separation method has poor powder removing effect, and the air flow separation method is the most widely applied powder removing method at present.
According to the aerodynamic theory, materials with different sizes, shapes and densities and air are subjected to different forces when the materials and the air generate relative motion, so that the materials and the air show different motion states under the action of the air forces. Thus, air classification is a method of mechanically removing sand and powder using the aerodynamic properties of materials of different particle sizes.
However, the existing pneumatic powder removing equipment mostly adopts single powder removal, and has the disadvantages of large wind power, high energy consumption and poor powder removing effect. Therefore, it is necessary to design a novel pneumatic mechanism sand powder removing device which can recycle wind energy, improve the powder removing efficiency and realize energy conservation.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mechanism sand pneumatic cycle gumming device to overcome the unable circulation gumming of pneumatic gumming device of current single gumming, unable make full use of wind energy, the energy consumption is high and the poor shortcoming of gumming effect.
In order to achieve the above object, the utility model provides a mechanism sand pneumatic cycle gumming device, include: the length of the air pipe is distributed along the vertical direction, and an air inlet at the lower end of the air pipe is connected with an air supply device; the feed hopper is arranged on the outer side of the air pipe; each guide plate is provided with a plurality of uniformly distributed powder removing through holes, the two guide plates are transversely arranged in the air duct and are vertically distributed at intervals, and each guide plate is obliquely arranged; the upper guide plate is a first guide plate, the lower guide plate is a second guide plate, the upper end of the first guide plate is communicated with the lower end outlet of the feed hopper, and the lower end of the first guide plate is communicated with the upper end of the second guide plate through a circulating channel; and the discharge hopper is arranged below the feed hopper, and the lower end of the second guide plate is communicated with the inlet at the upper end of the discharge hopper.
Preferably, in the above technical scheme, each guide plate includes a plurality of guide vanes, each guide vane is along corresponding the slope direction slope setting of guide plate, and all guide vanes are along corresponding the slope direction evenly distributed of guide plate, adjacent two guide vanes are upper and lower interval and part coincidence setting between the guide vane to enclose one dusting through-hole.
Preferably, in the above technical scheme, two guide plates are all obliquely arranged along the left-right direction, the circulation channel is located outside the air pipe and is distributed in a U shape with an opening facing the air pipe, an inlet at the upper end of the circulation channel is communicated with the lower end of the first guide plate, and an outlet at the lower end of the circulation channel is communicated with the upper end of the second guide plate.
Preferably, in the above technical solution, the upper and lower ends of the circulation channel are distributed in a shape of a Chinese character 'ba' facing the air duct in a direction of a large opening.
Preferably, in the above technical scheme, the air conditioner further comprises a buffer chamber, the buffer chamber is arranged on one side of the air outlet at the upper end of the air pipe, one side of the buffer chamber close to the air pipe is communicated with the air outlet at the upper end of the air pipe, and an air outlet is arranged on one side of the buffer chamber far away from the air pipe.
Preferably, in the above technical solution, the buffer chamber is located above the feed hopper, and a recovery hopper is arranged at the bottom of the buffer chamber, an upper end inlet of the recovery hopper is communicated with the bottom of the buffer chamber, and a lower end outlet corresponds to an upper end inlet of the feed hopper; the air outlet of the buffer chamber is provided with a first filter screen, and the aperture of the first filter screen is smaller than the diameter of the machine-made sand.
Preferably, in the above technical scheme, a second filter screen is arranged at an air inlet at the lower end of the air pipe, and the aperture of the second filter screen is smaller than the diameter of the machine-made sand.
Preferably, in the above technical scheme, the air supply device includes a blower, and an air outlet of the blower is communicated with an air inlet at the lower end of the air pipe.
Preferably, in the above technical scheme, the outlet at the lower end of the feed hopper inclines upwards from the direction close to the air pipe to the direction far away from the air pipe.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses a be equipped with two at least upper and lower interval distribution's guide plate in the tuber pipe, every guide plate slope sets up, and be equipped with a plurality of evenly distributed's gumming through-hole on every guide plate, first guide plate and second guide plate of can making machine-made sand flow through in proper order, the gumming through-hole on second guide plate and the first guide plate loops through up is followed to the wind in the tuber pipe, detach the mountain flour of the mechanism sand of flowing through on two guide plates, can carry out twice at least circulation gumming to the mechanism sand, it is effectual to have the gumming, can make full use of wind energy, reduce energy consumption and improve work efficiency's advantage.
2. The utility model discloses a gumming device still includes the surge chamber, and the bottom of surge chamber is equipped with the recovery hopper, carries out the secondary to the effective mechanism sand that probably is carried by the wind energy and retrieves, has improved the utilization ratio to mechanism sand raw materials, reduces extravagantly reduction in production cost.
Drawings
Fig. 1 is a schematic structural view of the main body of the machine-made sand pneumatic circulating powder removing device according to the utility model.
Fig. 2 is a schematic structural view of a deflector according to the present invention.
Description of the main reference numerals:
1-air pipe, 2-buffer chamber, 3-first filter screen, 4-recovery hopper, 5-feed hopper, 6-first guide plate, 7-circulation channel, 8-second guide plate, 9-discharge hopper, 10-air supply device, 11-second filter screen, 12-guide blade and 13-powder removal through hole.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
Fig. 1 and 2 show a schematic structural diagram of a mechanism sand pneumatic circulation gumming device according to the preferred embodiment of the present invention, which comprises an air pipe 1, a feed hopper 5, at least two guide plates and a discharge hopper 9. Referring to fig. 1 and 2, the length of the air duct 1 is distributed along the vertical direction, an air inlet at the lower end of the air duct 1 is connected with an air supply device 10, and the air supply device 10 is used for providing wind energy so that the wind energy can flow along the air duct 1 from bottom to top. The feed hopper 5 is arranged on the outer side of the air pipe 1 and used for guiding machine-made sand into the air pipe 1; be equipped with a plurality of evenly distributed's gumming through-hole 13 on every guide plate, two guide plates transversely set up in tuber pipe 1 and interval distribution from top to bottom, and every guide plate all inclines to set up to make the mechanism sand flow along the guide plate under the action of gravity. Wherein, the guide plate positioned above is a first guide plate 6, and the guide plate positioned below is a second guide plate 8. The upper end of first guide plate 6 and the upper end export intercommunication of feeder hopper 5, the lower extreme of first guide plate 6 passes through circulation channel 7 and the upper end intercommunication of second guide plate 8, it sets up in the below of feeder hopper 5 to go out hopper 9, the lower extreme of second guide plate 8 and the upper end import intercommunication of going out hopper 9, so that from feeder hopper 5 outflow mechanism sand first guide plate 6 and second guide plate 8 can flow through in proper order, wind energy in tuber pipe 1 loops through powder removal through-hole 13 on second guide plate 8 and the first guide plate 6 from up down, detach the mountain flour of the mechanism sand on two guide plates of flowing through, carry out twice at least circulation to the mechanism sand and remove the powder, it is effectual to have the powder removal, can make full use of wind energy, reduce energy consumption and improve work efficiency's advantage.
Referring to fig. 2, preferably, each guide plate includes a plurality of guide vanes 12, each guide vane 12 is disposed along the inclination direction of the corresponding guide plate, and all guide vanes 12 are uniformly distributed along the inclination direction of the corresponding guide plate, and two adjacent guide vanes 12 are disposed at an interval from top to bottom and partially overlapped to form a powder removing through hole 13, so that the machine-made sand flows along each guide vane 12 under the action of gravity, when flowing through the powder removing through hole 13, the powder therein can be taken away by wind energy, and when sequentially passing through the plurality of powder removing through holes 13, the powder on the machine-made sand is less and less, so as to achieve the purpose of powder removal.
Referring to fig. 1, the inclination directions of the two guide plates may be set according to actual needs, and in order to facilitate the circulation flow of the machine-made sand, preferably, the two guide plates are both arranged in an inclined manner along the left-right direction, and the inclination directions of the two guide plates are opposite, for example, the first guide plate 6 inclines upwards from left to right, and the second guide plate 8 inclines downwards from left to right; or the first guide plate 6 inclines downwards from left to right, the second guide plate 8 inclines upwards from left to right, and the inclination directions of the two guide plates can be selected according to specific requirements. Wherein, circulation channel 7 is located the outside of tuber pipe 1 and is the U-shaped distribution of opening direction towards tuber pipe 1, and circulation channel 7's upper end import communicates with the lower extreme of first guide plate 6, and circulation channel 7's lower extreme export communicates with the upper end of second guide plate 8 to in the mechanism sand that will flow through first guide plate 6 channels into second guide plate 8. Further preferably, the upper end and the lower end of the circulation channel 7 are distributed in a shape like a Chinese character 'ba' towards the air pipe 1 in a direction of a large opening, that is, the upper end of the circulation channel 7 inclines upwards from the direction far away from the air pipe 1 to the direction close to the air pipe 1, and the lower end of the circulation channel 7 inclines downwards from the direction far away from the air pipe 1 to the direction close to the air pipe 1, so as to guide and change the flow direction of the machine-made sand.
Referring to fig. 1, preferably, the powder removing device further comprises a buffer chamber 2, the buffer chamber 2 is disposed at one side of the air outlet at the upper end of the air duct 1, one side of the buffer chamber 2 close to the air duct 1 is communicated with the air outlet at the upper end of the air duct 1, and one side of the buffer chamber 2 far away from the air duct 1 is provided with the air outlet, even if the upper end of the air duct 1 is in a shape of 'r' to change the outlet direction of the air. Further preferably, the buffer chamber 2 is located above the feed hopper 5, the bottom of the buffer chamber 2 is provided with a recovery hopper 4, the recovery hopper is arranged below the air outlet, an upper end inlet of the recovery hopper 4 is communicated with the bottom of the buffer chamber 2, and a lower end outlet of the recovery hopper 4 corresponds to an upper end inlet of the feed hopper 5; wherein, the air outlet of surge chamber 2 is equipped with first filter screen 3, and the aperture of first filter screen 3 is less than the diameter of mechanism sand to mechanism sand in the filtration wind energy, and in mechanism sand that will filter out flows into feeder hopper 5 through the recovery hopper 4 guide of bottom, carry out the secondary to the effective mechanism sand that is carried by the wind energy and retrieve, improve the utilization ratio of mechanism sand raw materials, reduce extravagantly, reduction in production cost.
Referring to fig. 1, preferably, a second filter screen 11 is arranged at an air inlet at the lower end of the air duct 1, and the aperture of the second filter screen 11 is smaller than the diameter of the machine-made sand, so that the machine-made sand scattered from the guide plate is prevented from falling into the air supply device 10, and the air supply device 10 can work normally. Wherein, because the diameter of the effective mechanism sand is not less than 0.075mm, the aperture of the first filter 3 and the aperture of the second filter 11 are both less than 0.075 mm.
Referring to fig. 1, preferably, the air supply device 10 includes a blower, and an air outlet of the blower is communicated with an air inlet at the lower end of the air duct 1 to provide continuous wind energy for the air duct 1.
Referring to fig. 1, it is preferable that the lower outlet of the feed hopper 5 is inclined upward from a direction close to the blast duct 1 to a direction away from the blast duct 1 to facilitate the flow of the machining sand, and the inclined direction of the lower outlet of the feed hopper 5 is preferably identical to the inclined direction of the first guide plate 6. Wherein each deflector preferably has an angle of 60 ° to the horizontal.
When in use, after the blower is powered on, an airflow field is formed in the air pipe 1; calculating by an aerodynamic theory, obtaining the suspension speed of stone powder less than 0.075mm, further controlling the size of an air flow field in the air pipe 1, pouring the machine-made sand raw material into a powder removing device from a feed inlet, performing first pneumatic powder removal on the machine-made sand raw material along a first guide plate 6, then allowing the machine-made sand raw material to enter a second guide plate 8 along a circulating channel 7, performing second pneumatic powder removal, and allowing machine-made sand subjected to secondary circulating powder removal to flow out of a discharge hopper 9 and enter a finished product bin of the machine-made sand; after the powder is removed through pneumatic circulation, part of the effective mechanism sand particles, namely mechanism sand particles with the diameter not less than 0.075mm, can be carried by the airflow and separated together with the stone powder. The stone powder and part of the effective mechanism sand particles carried by the airflow are separated in the buffer chamber 2 of the air pipe 1, the stone powder is discharged along with the air outlet, and the mechanism sand particles enter the feed inlet along the recovery hopper 4 for recycling. Through the mode, the whole device has a circulating effect, so that the stone powder of the machine-made sand can be effectively removed, the working efficiency is improved, and the aim of saving energy is fulfilled.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (9)
1. The utility model provides a mechanism sand pneumatic cycle gumming device which characterized in that includes:
the length of the air pipe is distributed along the vertical direction, and an air inlet at the lower end of the air pipe is connected with an air supply device;
the feed hopper is arranged on the outer side of the air pipe;
each guide plate is provided with a plurality of uniformly distributed powder removing through holes, the two guide plates are transversely arranged in the air duct and are vertically distributed at intervals, and each guide plate is obliquely arranged; the upper guide plate is a first guide plate, the lower guide plate is a second guide plate, the upper end of the first guide plate is communicated with the lower end outlet of the feed hopper, and the lower end of the first guide plate is communicated with the upper end of the second guide plate through a circulating channel; and
and the discharge hopper is arranged below the feed hopper, and the lower end of the second guide plate is communicated with the inlet at the upper end of the discharge hopper.
2. The machine-made sand pneumatic circulating powder removing device as claimed in claim 1, wherein each guide plate comprises a plurality of guide vanes, each guide vane is obliquely arranged along the inclination direction of the corresponding guide plate, all the guide vanes are uniformly distributed along the inclination direction of the corresponding guide plate, and two adjacent guide vanes are vertically spaced and partially overlapped to form one powder removing through hole.
3. The machine-made sand pneumatic circulating powder removing device as claimed in claim 1, wherein two flow deflectors are obliquely arranged in the left-right direction, the circulating channel is positioned outside the air duct and distributed in a U shape with an opening direction facing the air duct, an upper end inlet of the circulating channel is communicated with a lower end of the first flow deflector, and a lower end outlet of the circulating channel is communicated with an upper end of the second flow deflector.
4. The machine-made sand pneumatic circulation gumming device of claim 3, wherein the upper and lower ends of the circulation channel are distributed in a shape of a Chinese character 'ba' towards the air pipe in a direction of a large opening.
5. The machine-made sand pneumatic circulating powder removing device of claim 1, further comprising a buffer chamber, wherein the buffer chamber is arranged on one side of the air outlet at the upper end of the air pipe, one side of the buffer chamber close to the air pipe is communicated with the air outlet at the upper end of the air pipe, and one side of the buffer chamber far away from the air pipe is provided with an air outlet.
6. The machine-made sand pneumatic circulation gumming device as claimed in claim 5, wherein the buffer chamber is located above the feed hopper, and the bottom of the buffer chamber is provided with a recovery hopper, the upper end inlet of the recovery hopper is communicated with the bottom of the buffer chamber, and the lower end outlet is corresponding to the upper end inlet of the feed hopper; the air outlet of the buffer chamber is provided with a first filter screen, and the aperture of the first filter screen is smaller than the diameter of the machine-made sand.
7. The machine-made sand pneumatic circulation gumming device of claim 1, wherein the air inlet of the lower end of the air pipe is provided with a second filter screen, and the aperture of the second filter screen is smaller than the diameter of the machine-made sand.
8. The machine-made sand pneumatic circulation gumming device of claim 1, wherein the air supply device comprises a blower, and an air outlet of the blower is communicated with an air inlet at the lower end of the air pipe.
9. The machine-made sand pneumatic circulation gumming device as claimed in claim 1, wherein the outlet at the lower end of the feed hopper is inclined upward from the direction close to the air duct to the direction far away from the air duct.
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CN202021266163.1U CN212916554U (en) | 2020-07-01 | 2020-07-01 | Mechanism sand pneumatic cycle gumming device |
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CN202021266163.1U CN212916554U (en) | 2020-07-01 | 2020-07-01 | Mechanism sand pneumatic cycle gumming device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115805679A (en) * | 2021-09-13 | 2023-03-17 | 中国石油天然气集团有限公司 | A kind of powder remover and method for removing powder |
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2020
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115805679A (en) * | 2021-09-13 | 2023-03-17 | 中国石油天然气集团有限公司 | A kind of powder remover and method for removing powder |
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