CN208666527U - Powder raw material blowing device - Google Patents
Powder raw material blowing device Download PDFInfo
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- CN208666527U CN208666527U CN201821181241.0U CN201821181241U CN208666527U CN 208666527 U CN208666527 U CN 208666527U CN 201821181241 U CN201821181241 U CN 201821181241U CN 208666527 U CN208666527 U CN 208666527U
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Abstract
The utility model relates to a kind of powder raw material blowing devices, including conveying pipeline, cylinder, and nozzle, the upper end of the cylinder, lower end is all closed, one boiling plate is set in cylinder, cylinder lumen is divided into epicoele, cavity of resorption, uniformly distributed several air holes on the boiling plate, the aperture of each air hole is less than powder raw material partial size, the cylinder is equipped with feed inlet, exhaust outlet, air inlet, wherein, feed inlet, exhaust outlet is located at cylinder upper end, it is connected to epicoele, air inlet is located at cylinder lower end, it is connected to cavity of resorption, the conveying pipeline is set in cylinder, cylinder is stretched out outside the upper end of conveying pipeline, the lower end of conveying pipeline is located at the top of boiling plate, the nozzle is set to cylinder lower end, nozzle, conveying pipeline, cylinder is respectively positioned on same center line, the downstream of the nozzle passes through boiling plate, the side wall and the spaced sky of conveying inside pipe wall of nozzle Between form conveying gap, cylinder lower end is stretched out outside the upstream end of the nozzle, equipped with valve for being connected with the exhaust outlet of blower.
Description
Technical field
The utility model relates to powder raw material transportation art, in particular to a kind of powder raw material blowing device.
Background technique
Due to the special nature of powder raw material, currently, enterprise is in conveying powder raw material such as coal dust, alumina powder etc. to eminence
When position, powder raw material is usually blowed to specified altitude assignment using compressed air.Compressed air is made by air compressor machine, works as conveying
When powder raw material amount is larger, the energy consumption that air compressor machine compresses large quantity of air is larger, such as obtains the compression that pressure is 0.55-0.80MPa
Air delivery alumina powder 15-19t/h, the energy consumption of air compressor machine are up to 250kw/min, lead to the maintenance of powder raw material transportation system
Costly, labor intensity is larger, the powder raw material transportation system moon maintenance cost members up to ten thousand, be seriously unfavorable for enterprise reduce life
It produces, processing cost.
Summary of the invention
The purpose of this utility model is in view of the deficiencies of the prior art, to provide a kind of powder raw material blowing device, structure
Simply, easy to use, big flow, low pressure air-flow are provided using blower, effectively meets the needs of a large amount of powder materials conveying, and
Have the advantages that low energy consumption, maintenance cost is low, failure rate is low.
The technical solution of the utility model is: a kind of powder raw material blowing device, including conveying pipeline, cylinder and nozzle,
Upper end, the lower end of the cylinder are all closed, and a boiling plate is set in cylinder, and cylinder lumen is divided into epicoele, cavity of resorption, the boiling
Uniformly distributed several air holes on plate are risen, the aperture of each air hole is less than powder raw material partial size, and the cylinder is equipped with feed inlet, exhaust
Mouth, air inlet, wherein feed inlet, exhaust outlet are located at cylinder upper end, are connected to epicoele, and air inlet is located at cylinder lower end, with cavity of resorption
Connection, the conveying pipeline are set in cylinder, cylinder are stretched out outside the upper end of conveying pipeline, the lower end of conveying pipeline is located at the upper of boiling plate
Side, the nozzle are set to cylinder lower end, and nozzle, conveying pipeline, cylinder are respectively positioned on same center line, and the downstream of the nozzle is worn
Boiling plate is crossed, the spaced space of side wall and conveying inside pipe wall of nozzle forms conveying gap, and the upstream end of the nozzle is overhanging
Cylinder lower end out is used to be connected with the exhaust outlet of blower equipped with valve.
The valve is triple valve, and the first interface of triple valve and the upstream end of nozzle connect, the second interface of triple valve
For being connected with blower exhaust outlet, the third interface of triple valve is sealed by detachable sealing element, forms maintenance drain hole.
The detachable sealing element is sealing plate, and sealing plate forms sealing by flanged joint on third interface.
The side wall of the cylinder is equipped with access hole, which forms sealing by an access panel flanged joint.
The conveying pipeline includes the first conveying pipeline, the second conveying pipeline, and it is defeated that the lower end of the first conveying pipeline is interference fitted in second
In expects pipe, and the length that the first conveying pipeline is inserted into the second conveying pipeline is limited by position-limit mechanism.
The position-limit mechanism includes that the flange connector being arranged on the first conveying pipeline side wall and more settings are defeated second
Restriction bar on expects pipe side wall, the flange connector are equipped at least two connecting holes, these connecting holes divide equally 360 ° of circumference, institute
The quantity for stating restriction bar is corresponding with connecting hole, and each hinged end for limiting bar is side walls hinged with the second conveying pipeline, each described
The free end for limiting bar is equipped with thread segment, and the free end for limiting bar passes through corresponding connecting hole, and is threadedly engaged two spiral shells
Mother forms axial limiting.
The lower end of the cylinder is open, and is closed by a bottom case.
Air inlet is arranged in the bottom of the bottom case, and the installation land passed through for nozzle, installation are equipped in the middle part of the inner cavity of bottom case
The upper end of land is equipped with support lug, and the circumferential side wall of nozzle is equipped with mounting flange, and the boiling plate is supported on support lug, bottom
The upstream end of shell upper limb, nozzle passes through boiling plate, and mounting flange, support lug are bolted, and bottom case, cylinder lower end pass through
Boiling plate is fixedly clamped between cylinder, bottom case by flanged joint.
It has the advantages that by adopting the above technical scheme
1, powder raw material blowing device includes conveying pipeline, cylinder and nozzle, and upper end, the lower end of the cylinder are all closed,
One boiling plate is set in cylinder, cylinder lumen is divided into epicoele, cavity of resorption, uniformly distributed several air holes on the boiling plate are each
The aperture of stomata is less than powder raw material partial size, and boiling plate can support powder raw material, and can be for gas to pass through.The cylinder is equipped with
Feed inlet, exhaust outlet, air inlet, wherein feed inlet, exhaust outlet are located at cylinder upper end, are connected to epicoele, powder raw material by into
Material mouth is fed under self gravitation effect to the epicoele of cylinder, these powder raw materials are deposited on boiling plate.Air inlet is located at cylinder
Body lower end, is connected to cavity of resorption, and air inlet is supplied to the cavity of resorption of cylinder, these air-flows pass through boiling plate, to being deposited on boiling plate
Powder raw material apply upward active force, under the double action of air-flow and gravity, the powder raw material of accumulation forms rolling up and down
" boiling " state.The conveying pipeline is set in cylinder, stretches out cylinder outside the upper end of conveying pipeline, for supplying specified altitude assignment position
Material, the lower end of conveying pipeline are located at the top of boiling plate, and the nozzle is set to cylinder lower end, and nozzle, conveying pipeline, cylinder are respectively positioned on together
On one center line, the downstream of the nozzle passes through boiling plate, has conveying gap between the side wall and conveying inside pipe wall of nozzle,
Cylinder lower end is stretched out outside the upstream end of the nozzle, is used to be connected with the exhaust outlet of blower equipped with valve, is provided using blower big
Flow, low pressure air-flow, these air-flows quickly inject the lower end of conveying pipeline by nozzle, since air velocity is fast, in conveying pipeline
Lower end position generates sufficiently large pressure difference, and the powder raw material of " boiling " is entered in conveying pipeline by conveying gap, and in air-flow
It is delivered to specified altitude assignment under effect, meets the needs of a large amount of powder raw materials conveying.It is realized by powder raw material self gravity continuous
It feeding, blower gas supply, realizes that inexpensive powder raw material conveys purpose, whole device air pressure is low, and it is low to sealing performance requirement, also
Effect reduces maintenance, the cost of overhaul.
2, valve is triple valve, and the first interface of triple valve and the upstream end of nozzle connect, and the second interface of triple valve is used
It is connected in blower exhaust outlet, the third interface of triple valve is sealed by detachable sealing element, forms maintenance drain hole, and powder is former
Blowing device is expected in normal operation, the air-flow of blower blowout passes through second interface, first interface, nozzle, it injects in conveying pipeline,
Enter the powder raw material " to boil " in conveying pipeline by conveying gap and be delivered to specified altitude assignment under airflow function, works as appearance
When the fortuitous events such as power-off, the powder raw material conveyed passes through nozzle under the effect of gravity to be fallen after rise in triple valve, and opening is torn open
Formula sealing element is unloaded, these powder raw materials are taken out by third interface, powder raw material is avoided to damage blower, is guaranteed mating
Blower operate normally.
3, conveying pipeline includes the first conveying pipeline, the second conveying pipeline, and the lower end of the first conveying pipeline is interference fitted in the second conveying
Guan Zhong, and the length that the first conveying pipeline is inserted into the second conveying pipeline is limited by position-limit mechanism, since conveying pipeline lower end inner wall need to be held
By the impact of a large amount of powder raw materials, it is interference fitted in the second conveying pipeline, is thickened under conveying pipeline by the lower end of the first conveying pipeline
The pipe thickness at end effectively extends the service life of conveying pipeline.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model cylinder；
Fig. 3 is the structural schematic diagram of the utility model bottom case；
Fig. 4 is the structural schematic diagram of the utility model nozzle.
In attached drawing, 1 is conveying pipeline, and 1a is the first conveying pipeline, and 1b is the second conveying pipeline, and 2 be cylinder, and 3 be nozzle, and 4 be boiling
Plate is risen, 5 be epicoele, and 6 be cavity of resorption, and 7 be feed inlet, and 8 be exhaust outlet, and 9 be air inlet, and 10 be conveying gap, and 11 be valve, 11a
For first interface, 11b is second interface, and 11c is third interface, and 12 be position-limit mechanism, and 12a is flange connector, and 12b is to limit
Bar, 13 be bottom case, and 13a is installation land, and 14 be access hole.
Specific embodiment
It is a kind of specific embodiment of powder raw material blowing device referring to Fig. 1 to Fig. 4.Powder raw material blowing device includes
Conveying pipeline 1, cylinder 2 and nozzle 3, in the present embodiment, cylinder, conveying pipeline are all made of seamless steel pipe, wherein cylinder internal diameter is
482mm, conveying bore are 220mm.Upper end, the lower end of the cylinder 2 are all closed, specifically, the lower end of cylinder 2 is open, and
It is closed by a bottom case 13, the installation land 13a passed through for nozzle is equipped in the middle part of the inner cavity of the bottom case 13, installation land 13a's
Upper end is by being uniformly arranged along the circumference multiple connecting holes, the height of support lug in support lug integrally formed with support lug
It is flushed with the height of bottom case upper limb, the bottom center of bottom case is provided with connecting tube by welding, and the connecting tube and installation land connect
It is logical, and lower end is equipped with ring flange.One boiling plate 4 is set in cylinder 2, and 2 inner cavity of cylinder is divided into epicoele 5, cavity of resorption 6, the boiling
Uniformly distributed several air holes on plate 4 are risen, the aperture of each air hole is less than powder raw material partial size.The cylinder 2 be equipped with feed inlet 7,
Exhaust outlet 8, air inlet 9, wherein feed inlet 7, exhaust outlet 8 are located at 2 upper end of cylinder, are connected to epicoele 5, in the present embodiment, charging
Mouth, exhaust outlet are all made of seamless steel pipe, and are respectively equipped with ring flange on overhanging end, and air inlet 9 is set to the bottom of bottom case 13, under
Chamber 6 is connected to, likewise, air inlet also uses seamless steel pipe, and overhanging end is equipped with ring flange.The conveying pipeline 1 is set to cylinder 2
It is interior, the upper end of cylinder 2 is stretched out outside the upper end of conveying pipeline 1, the lower end of conveying pipeline 1 is located at the top of boiling plate 4, in the present embodiment,
Conveying pipeline 1 includes the first conveying pipeline 1a, the second conveying pipeline 1b, and the lower end of the first conveying pipeline 1a is interference fitted in the second conveying pipeline 1b
In, and the length that the first conveying pipeline 1a is inserted into the second conveying pipeline 1b is limited by position-limit mechanism 12, specifically, position-limit mechanism 12 wraps
Include the flange connector 12a being arranged on the first conveying pipeline 1a side wall and the more limits being arranged on the second conveying pipeline 1b side wall
It is set on fixed pole 12b, the flange connector 12a there are four connecting hole, these connecting holes divide equally 360 ° of circumference, can also be in the first conveying
Four connection boss are set on the side wall of pipe, and each boss that connects divides equally 360 ° of circumference, and is respectively set and runs through on each connection boss
Connecting hole, it is described limit bar 12b quantity it is corresponding with connecting hole, be equally four, it is each it is described restriction bar 12b hinged end and
Second conveying pipeline 1b's is side walls hinged, and each free end for limiting bar 12b is equipped with thread segment, the freedom for limiting bar 12b
End is threadedly engaged two nuts across corresponding connecting hole, and a nut is located at the top of flange connector, another nut position
In the lower section of flange connector, by adjusting two nut thread cooperations in the position for limiting bar, to the first conveying pipeline insertion second
The length of conveying pipeline forms axial limiting.The circumferential side wall of the nozzle is equipped with mounting flange, and mounting flange is equipped with and equally sets
Have a mounting hole of corresponding support lug connecting hole, nozzle is mounted in installation land, and by more bolts across support lug,
Mounting flange forms a fixed connection, and nozzle 3, conveying pipeline 1, cylinder 2 are respectively positioned on same center line, and the downstream of nozzle 3 is not stretched
Enter in conveying pipeline, spaced space forms conveying gap 10 between 1 inner wall of side wall and conveying pipeline of nozzle.Boiling plate it is specific
Mounting means is, boiling plate 4 is supported on support lug, bottom case upper limb, and the upstream end of nozzle 3 passes through boiling plate 4, mounting flange,
Support lug is bolted, and boiling plate 4 is fixedly clamped in cylinder 2, bottom by bottom case 13,2 lower end of cylinder by flanged joint
Between shell 13.Valve 11 is arranged in the connecting tube of bottom case bottom surface to be used to be connected with the exhaust outlet of blower, in the present embodiment, valve
11 use triple valve, and the first interface 11a of triple valve is fixedly mounted on the ring flange of connecting tube by flanged joint, with nozzle
3 upstream end connection, the second interface 11b of triple valve is equipped with ring flange, for being connected with blower exhaust outlet, the third of triple valve
Interface 11c is sealed by detachable sealing element, forms maintenance drain hole, specifically, detachable sealing element is sealing plate, in third
Interface 11c is equipped with ring flange, and sealing plate forms sealing by flanged joint on third interface 11c.
For the ease of maintenance, access hole 14 is equipped on the side wall of cylinder 2, access hole is located at the top of boiling plate, and
Access hole is equipped with ring flange, which forms sealing by an access panel flanged joint.
For conveying alumina powder powder stock to 33m height.Power uses 37kw roots blower, and blower passes through air inlet
Boiling plate is supplied, blower supplies nozzle by the second interface of triple valve, wind pressure 39.2Kpa, flow 28.7m3/ s leads to
Throat-fed is crossed, alumina powder powder stock is deposited on boiling plate under the effect of gravity, under airflow function, alumina powder
Fluffy formation " boiling " state of raw material, nozzle inject high-speed flow to the lower end of conveying pipeline, keep the alumina powder " to boil " former
Material enters in conveying pipeline by conveying gap and is delivered under airflow function specified altitude assignment, and conveying aluminium oxide speed is 15-
19t/h effectively meets alumina raw material consumption requirements.
It is learnt through applicant's practice, alumina powder powder stock, phase is conveyed using the utility model powder raw material blowing device
Traditional use compressed gas is conveyed, energy saving about 200kw/h, save 60,000 yuan/year of maintenance cost, saves maintenance mans
When 50h/.
Claims (8)
1. a kind of powder raw material blowing device, it is characterised in that: including conveying pipeline (1), cylinder (2) and nozzle (3),
Upper end, the lower end of the cylinder (2) are all closed, and a boiling plate (4) is set in cylinder (2), and cylinder (2) inner cavity is divided into
Epicoele (5), cavity of resorption (6), uniformly distributed several air holes on the boiling plate (4), the aperture of each air hole are less than powder raw material partial size,
The cylinder (2) is equipped with feed inlet (7), exhaust outlet (8), air inlet (9), wherein feed inlet (7), exhaust outlet (8) are located at cylinder
Body (2) upper end, is connected to epicoele (5), and air inlet (9) is located at cylinder (2) lower end, is connected to cavity of resorption (6),
The conveying pipeline (1) is set in cylinder (2), stretches out outside the upper end of conveying pipeline (1) cylinder (2), the lower end position of conveying pipeline (1)
In the top of boiling plate (4),
The nozzle (3) is set to cylinder (2) lower end, and nozzle (3), conveying pipeline (1), cylinder (2) are respectively positioned on same center line, institute
The downstream for stating nozzle (3) passes through boiling plate (4), spaced space shape between the side wall and conveying pipeline (1) inner wall of nozzle (3)
At conveying gap (10), cylinder (2) lower end is stretched out outside the upstream end of the nozzle (3), is equipped with valve (11) and is used for and blower
Exhaust outlet is connected.
2. powder raw material blowing device according to claim 1, it is characterised in that: the valve (11) be triple valve, three
The first interface (11a) of port valve is connect with the upstream end of nozzle (3), and the second interface (11b) of triple valve is used for and blower air draft
Mouth is connected, and the third interface (11c) of triple valve is sealed by detachable sealing element, forms maintenance drain hole.
3. powder raw material blowing device according to claim 2, it is characterised in that: the detachable sealing element is sealing
Plate, sealing plate form sealing by flanged joint on third interface (11c).
4. powder raw material blowing device according to claim 1, it is characterised in that: the side wall of the cylinder (2) is equipped with
Access hole (14), the access hole (14) form sealing by an access panel flanged joint.
5. powder raw material blowing device according to claim 1, it is characterised in that: the conveying pipeline (1) includes first defeated
Expects pipe (1a), the second conveying pipeline (1b), the lower end of the first conveying pipeline (1a) is interference fitted in the second conveying pipeline (1b), and is passed through
Position-limit mechanism (12) limits the length of the first conveying pipeline (1a) insertion the second conveying pipeline (1b).
6. powder raw material blowing device according to claim 5, it is characterised in that: the position-limit mechanism (12) includes setting
In the flange connector (12a) and the more limits being arranged on the second conveying pipeline (1b) side wall on the first conveying pipeline (1a) side wall
Fixed pole (12b), the flange connector (12a) are equipped at least two connecting holes, these connecting holes divide equally 360 ° of circumference, the limit
The quantity of fixed pole (12b) is corresponding with connecting hole, and the side wall of each hinged end for limiting bar (12b) and the second conveying pipeline (1b) are cut with scissors
It connects, each free end for limiting bar (12b) is equipped with thread segment, and the free end for limiting bar (12b) passes through corresponding connection
Hole, and be threadedly engaged two nuts and form axial limiting.
7. powder raw material blowing device according to claim 1, it is characterised in that: the lower end of the cylinder (2) is open, and
It is closed by a bottom case (13).
8. powder raw material blowing device according to claim 7, it is characterised in that: the bottom of the bottom case (13) be arranged into
The inner cavity middle part of port (9), bottom case (13) is equipped with the installation land (13a) passed through for nozzle, and the upper end of installation land (13a) is set
There is support lug, the circumferential side wall of nozzle (3) is equipped with mounting flange, and the boiling plate (4) is supported on support lug, on bottom case
The upstream end of edge, nozzle (3) passes through boiling plate (4), and mounting flange, support lug are bolted, bottom case (13), cylinder
(2) boiling plate (4) is fixedly clamped between cylinder (2), bottom case (13) by lower end by flanged joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821181241.0U CN208666527U (en) | 2018-07-24 | 2018-07-24 | Powder raw material blowing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821181241.0U CN208666527U (en) | 2018-07-24 | 2018-07-24 | Powder raw material blowing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208666527U true CN208666527U (en) | 2019-03-29 |
Family
ID=65830320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821181241.0U Active CN208666527U (en) | 2018-07-24 | 2018-07-24 | Powder raw material blowing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208666527U (en) |
-
2018
- 2018-07-24 CN CN201821181241.0U patent/CN208666527U/en active Active
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