CN1127691A - Sand blower - Google Patents
Sand blower Download PDFInfo
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- CN1127691A CN1127691A CN 95110478 CN95110478A CN1127691A CN 1127691 A CN1127691 A CN 1127691A CN 95110478 CN95110478 CN 95110478 CN 95110478 A CN95110478 A CN 95110478A CN 1127691 A CN1127691 A CN 1127691A
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- sand
- blast nozzle
- blasting machine
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Abstract
The sand blast machine for uniformly blowing sand on surface of coiled material without floating sand and dust comprises sand distributor, sand blasting unit, duster and pipeline, and features that said sand blasting unit has top and bottom sand nozzle sets arranged at both sides of coiled material and a sand uniforming unit is setup between sand nozzles and sand distributor.
Description
The present invention relates to a kind of device to asphalt waterproof roll two surface spraying sand shape separation layers, a kind of more precisely is the sand-blasting machine of power with the high velocity air.It is that the waterproof roll of coating material carries out sandblast processing that this machine is applicable to the asphalt of various macromolecular elastomer modifications or coal tar, belongs to the building material industry field.
Sand shape separation layer waterproof roll also claims Asphalt felt with sand on surface, is new varieties of serial waterproof roll.Be mainly used in the water-proofing treatment of sloped roof.Require its layer of sand even, bonding firmly with the coiled material matrix, there is not floating sand, have higher skin-friction coefficient, guarantee workmen's the personal safety and the constructing operation of deposited bricklayer skill with this.Be one of important waterproof material kind, have vast market.
How to the surperficial stucco of waterproof roll? people once tried out a kind of dry method machinery sander.Its operation principle is: earlier in the upper surface stucco, deflector roll again to its reverse side stucco, enters next procedure through deflector roll reflexed 180 degree with coiled material Rotate 180 degree at last more then.Coiled material will pass through " S " sigmoid in the whole stucco process on production line.This device has following shortcoming: (1) tow sides stucco time is inconsistent.Since coiled material to the adhesive strength of sand grains with add the man-hour temperature very responsive relation arranged, so above-mentioned technology can not guarantee coiled material positive and negative cloth sand index consistency.Reach These parameters, then technology controlling and process is very complicated.(2) this technology stucco is by the free-falling of sand grains, can sand grains bondingly firmly remove on the temperature influence, restricted by the performance of coiled material coating material, for this reason must be to the raw material modification, improve needle penetration and hear resistance, and this will cause the cost of raw material to be multiplied.When (3) coiled material is done " S " sigmoid on production line, increased the factor of roll banding and coiled material sideslip, frequent adjustment not only increases labour intensity, reduce production efficiency, and when the speed of guide roller surface linear velocity and production line is asynchronous, will causes broken end, thereby reduce yield rate significantly.(4) production environment is abominable.
The purpose of this invention is to provide a kind of coiled material does not have machinery contact, two surfaces cloth sand simultaneously up and down, adapt in a big way in temperature and linear velocity process conditions and do not increase manipulation strength and difficulty, reliable product quality, the cloth sand device of no dust pollution.
Sand-blasting machine provided by the present invention comprises and joins the sand device, sand blasting unit, and dust arrester and corresponding connecting pipeline is characterized in that: sand blasting unit is made up of sand blast nozzle under blast nozzle on a group of the coiled material running orbit both sides that are placed in and a group.Wherein, in the exit of last blast nozzle one deflector is arranged.
For the uniform situation of the sand grains that improves the coiled material breadth, last blast nozzle and join between the discharging opening of sand device harmonious material device is installed is installed with time equal sand device between blast nozzle down and the discharging opening of joining the sand device.Each is made up of one group of guide vane that is installed in the blast tube extended cavity to go up equal sand device and following equal sand device.
In said structure, the total length of each group blast nozzle is chosen as 110-120% of web width; The air-flow Reynolds number was between 13000-20000 when the width of blast nozzle should satisfy maximum sandblast amount, and the preferred 100-150nm of distance between blast nozzle and the coiled material running orbit.
The position of suction port is very big to the effect effect that dustproof and surplus sand reclaims.Preferred version is: go up suction port and blast nozzle geometric center line parallel, and the cross section upright projection of following blast nozzle is all contained by the cross section of last suction port, the geometric center line parallel of following suction port and last blast nozzle, and the upright projection of last blast nozzle cross section is all contained by the cross section of following suction port.The length of suction port is 115-140% of web width, and the width of suction port should guarantee that the air-flow wind speed is 8-12 times of sand suspension wind speed; The distance of suction port and coiled material running orbit is 100-200mm.At following suction port place antidrip net grid are set.
Join the sand device in the said structure, its structure can be done multiple choices.Here preferred scheme is: join the casing that the sand device has a sealing, this casing top is provided with the sandpipe that unloads of feeding mouth and deduster, the bottom of casing is one to fall forward leading screw and coat it and outer close the transmitter that airduct is formed by double helix, and sandblast blower fan and last blast tube, following blast tube are being set respectively at discharging opening place, the both sides of casing.
Dust arrester of the present invention is selected active cyclone dust collectors for use, and it comprises main casing, and part is positioned at the air outlet of main casing, is positioned at the spiral case above the main casing, is positioned among the spiral case by motor-driven eddy flow rotor and is positioned at the sandpipe that unloads of main casing bottom.The outlet of unloading sandpipe places among the casing of joining the sand device, and the distance that itself and double helix fall between the forward leading screw is provided with by every Kpa air pressure value 50-60mm.
Below in conjunction with Figure of description in detail embodiment of the present invention are described in detail:
Accompanying drawing 1 is a structural representation of the present invention;
Accompanying drawing 2 is the structural representations of joining the sand device among the present invention;
Accompanying drawing 3 is structural representations of equal sand device of the present invention;
In above-mentioned accompanying drawing, 1-blast nozzle gone up, 2-following blast nozzle, 3-upward suction ports, 4-following suction port, 5-casing, 6-double helix fall forward leading screw, 7-go up equal sand devices, 8-following equal sand device, 9-sandblast blower fan, 10-emptying air port, 11-main casing, 12-air outlet, 13-spiral case, 14-unload sandpipe, 15-feeding mouth, 16-close airduct, 17-blast tubes, 18-following blast tube, 19-guide vane gone up, 20-antidrip net grid, 21-eddy flow rotor, 22-deflector, 23-coiled material running orbit.
As shown in the figure, the present invention includes blast nozzle 1, down blast nozzle 2, go up suction port 3, down suction port 4, join sand device 5, go up equal sand device 7, equal husky device 8, active eddy flow remove device and blast tube 17 and 18 and speed regulation controller for motor down.Wherein, the geometric center line parallel of last blast nozzle 1 and following suction port 4, the geometric center line parallel of following blast nozzle 2 and last suction port 3.The cross section that the cross section upright projection of blast nozzle is entirely corresponding suction port contains.There is a sandblast deflector 22 in the exit of last blast nozzle 1, and its water conservancy diversion angle is 30-45 degree.There are antidrip net grid 20 porch of following suction port, and the voidage of antidrip net grid 20 is 50-80%, makes with the steel wire of diameter 2-5.Last blast nozzle 1 is 100-300mm with the horizontal range of following blast nozzle 2; Last blast nozzle 1 is 200-400mm with the vertical range of following suction port 4.Coiled material running orbit 23 places the zone between the blast nozzle up and down.The material of blast nozzle selects to satisfy the requirement of design life, wind speed, the coefficient of waste.
Join the sand device and comprise casing 5, probe into by the top of casing 5 and to unload sandpipe 14 in the casing, be positioned at the feeding mouth 15 that unloads sandpipe 14-side, what be positioned at casing 5 bottoms closes airduct 16, be installed on the double helixs that drive by buncher that close in the airduct 16 and cooperate with it and fall forward leading screw 6, be positioned at the discharging opening on the casing 5 that closes airduct 16 two ends, the last blast tube 17 and the following blast tube 18 that are communicated with discharging opening, and the sandblast blower fan 9 that is positioned at the discharging opening place.Feeding mouth 15 keeps being full of in the casing 5 fine sand of particle diameter 150-300 μ m, when double helix falls forward leading screw 6 rotations, fine sand pushes respectively in blast tube 17 and the blast tube 18 about by the opening part that closes airduct 16, the air-flow of being sent here by sandblast blower fan 9 is blown into equal sand device 7 and following equal sand device 8, after guide vane 9 current-sharings, two surfaces about last blast nozzle 1 and the following blast nozzle 2 high fast direction coiled materials respectively.Guide vane 19 can be selected stationary structure for use, also can select the form that has outer adjusting device and locking mechanism for use, close airduct 16 guarantee in the blast tubes malleation not with cyclone dust discharge port 14 in the negative-pressure air-flow short circuit.The discharge port 14 of cyclone dust and double helix fall the distance of forward leading screw 6 and should satisfy the demand of material envelope, get 50-60mm value by every Kpa air pressure, close the inwall of airduct 16 and double helix and fall the gap of forward leading screw 6 outer surfaces and select the average diameter sum of 3-5 sand grains.
Contain the sand air-flow from what blast nozzle penetrated, act on the coiled material running orbit 23, form the jet curtain one.The size of sandblast amount is fallen the rotating speed of forward leading screw 6 and is adjusted by changing double helix; 2-2.2 times of proportionings of generally pressing the actual sand using amount of coiled material sand face are more suitable.The blast nozzle wind speed is determined by the throttling arrangement in the blast tube, is joined the speed governing of sand device and controlled by coil production line speed of a motor vehicle controller synchronous servo.The mechanism of action of above blast nozzle 1 is example, contain the sand air-flow when deflector 22 inclinations 30-45 degree act on the coiled material running orbit 23, because (as shown in Figure 1) rightward space is big, space, the left side is little, and air-flow is folded in the suction port 3 by the coiled material surface under above-mentioned two factor actings in conjunction.The sand grains that does not embed the coiled material surface also enters in the suction port 3 with air-flow.The wind speed at last suction port 3 places is advisable with 8-12 times of sand suspension speed, generally gets 6-10m/s, and its air quantity should be more than or equal to 5 times of sandblast air quantity.The sand grains that sprayed at the coiled material two ends directly enters down in the suction port 4.Antidrip net grid 20 its effects under being positioned on the suction port 4 are to prevent that special impurities from entering the air channel.
The purposes of active cyclone dust collectors is recycled sand grains more than needed, and guarantees that air draft content reaches environmental protection standard.Require in the design the above grit rate of recovery of 10 μ m is reached more than 90%.The housing 1 of active cyclone dust collectors is made up of the circle on top and the cone of bottom, and blast pipe one end and suction port join, and the other end is along the column part incision of housing 11, and discharge pipe 12-section is imbedded in the housing 11, and another section is joined with spiral case 13.Discharge pipe 12 is coaxial with housing 11.One eddy flow rotor 21 is set in spiral case 13, and its effect is with its pre-spin, quickens the swirling eddy in the discharge pipe 12 in the housing 11, reduces eddy flow rotor 21 inlet resistances and reaches energy-conservation, purpose efficiently.In sending into the sand grains that reclaims the casing 5 of proportioner, the discharge duct 14 of housing 22 bottoms recycles.
Advantage of the present invention is:
1, since this device not with production line on coiled material generation Mechanical Contact, so Can in the situation that does not affect the production-line technique condition, adjust simply and easily the product of production Kind, do not increase the trouble point of breaking end to production line, adapt to existing friction speed production The technological requirement of line.
2, coiled material surface cloth sand is even, the embedding coiled material surface more than 50 of sand grains body In, so bonding firm, there is not floating sand.
3, the jet velocity of sand grains is adjustable, can satisfy asphalt, coal tar, S BS, APP and other macromolecular elastomer modified pitch are any product of coating Plant the cloth sand technological requirement of waterproof roll.
4, the aspiration of negative pressure, workshop do not have the dust leakage point.
Claims (10)
1, a kind of sand-blasting machine comprises and joins sand device, sand blasting unit, dust arrester and corresponding connecting pipeline, it is characterized in that: sand blasting unit is made up of blast nozzle (2) under blast nozzle (1) on a group of coiled material running orbit (23) both sides that are placed in and a group.
2, sand-blasting machine according to claim 1 is characterized in that: there is a deflector (22) in the exit of going up blast nozzle (1).
3, sand-blasting machine according to claim 1 is characterized in that: at last blast nozzle (1) and join between the discharging opening of sand device equal sand device (7) is installed; Between following blast nozzle (2) and the discharging opening of joining the sand device, time equal sand device (8) is installed.
4, sand-blasting machine according to claim 3 is characterized in that: each is made up of said equal sand device (7) and following equal sand device (8) one group of guide vane (19) that is installed in the blast tube extended cavity.
5, sand-blasting machine according to claim 1, it is characterized in that: the total length of each group blast nozzle of setting is 110-120% of a web width, and the width of blast nozzle should satisfy maximum sandblast amount the time air-flow Reynolds number be between 13000-20000, distance is selected 100-150mm between blast nozzle and coiled material running orbit (23).
6, sand-blasting machine according to claim 1 is characterized in that: the length of suction port, select 115-140% of web width, and the width of suction port should guarantee that the air-flow wind speed is 8-12 times of sand suspension wind speed; The distance of suction port and coiled material running orbit (23) is 100-200mm; Last suction port (3) and following blast nozzle (2) geometric center line parallel, the geometric center line parallel of following suction port (4) and last blast nozzle (1).
7, sand-blasting machine according to claim 6 is characterized in that: locate to be provided with antidrip net grid (20) at following suction port (4).
8, sand-blasting machine according to claim 1, it is characterized in that: join the casing (5) that the sand device has a sealing, what casing (5) top had that the people expects mouthful (15) and deduster unloads sandpipe (14), the bottom of casing (5) be one by spiral fall forward leading screw (6) and coating its outward close the transmitter that airduct (16) is formed; Sandblast blower fan (9) and last blast tube (17), following blast tube (18) are being set respectively at the discharging opening place of casing (5) both sides.
9, sand-blasting machine according to claim 1, it is characterized in that: dust arrester is selected active cyclone dust collectors for use, it comprises: main casing (11), part are positioned at the air outlet (12) of main casing (11), be positioned at spiral case (13) above the main casing (11), be positioned among the spiral case by motor-driven eddy flow rotor (21) and be positioned at main casing (11) bottom unload sandpipe (14).
10, sand-blasting machine according to claim 9 is characterized in that: the outlet of unloading sandpipe (14) places the casing (5) of joining the sand device, and the distance that itself and double helix fall between the forward leading screw (6) is provided with by every Kpa air pressure value 50-60m m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95110478 CN1127691A (en) | 1995-06-05 | 1995-06-05 | Sand blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95110478 CN1127691A (en) | 1995-06-05 | 1995-06-05 | Sand blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1127691A true CN1127691A (en) | 1996-07-31 |
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ID=5077857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95110478 Pending CN1127691A (en) | 1995-06-05 | 1995-06-05 | Sand blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1127691A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1081488C (en) * | 1998-03-30 | 2002-03-27 | 中国石油化工总公司 | Catalyst for ammonoxidating propylene to produce acrylonitrile |
| CN1302127C (en) * | 2000-07-27 | 2007-02-28 | 喷丸处理技术亚琛有限责任公司 | Method and device for shaping structural parts |
-
1995
- 1995-06-05 CN CN 95110478 patent/CN1127691A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1081488C (en) * | 1998-03-30 | 2002-03-27 | 中国石油化工总公司 | Catalyst for ammonoxidating propylene to produce acrylonitrile |
| CN1302127C (en) * | 2000-07-27 | 2007-02-28 | 喷丸处理技术亚琛有限责任公司 | Method and device for shaping structural parts |
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| SE01 | Entry into force of request for substantive examination | ||
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| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |