CN208525850U - A kind of feed liquid distributor of atomizer - Google Patents
A kind of feed liquid distributor of atomizer Download PDFInfo
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- CN208525850U CN208525850U CN201820647706.0U CN201820647706U CN208525850U CN 208525850 U CN208525850 U CN 208525850U CN 201820647706 U CN201820647706 U CN 201820647706U CN 208525850 U CN208525850 U CN 208525850U
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- feed liquid
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- atomizer
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Abstract
The utility model discloses a kind of feed liquid distributors of atomizer, belong to feed liquid dispenser technology field.A kind of feed liquid distributor of the atomizer of the utility model, including spiral case, guide vane one is provided in spiral case, guide vane one along spiral case involute gradually evolution to extension, discharge duct is provided with below spiral case, circumferentially uniform intervals are provided with guide vane two on the inner wall of discharge duct, and the upper surface of guide vane two tilts gradually downward along the direction far from discharging inside pipe wall.The purpose of the utility model is to overcome the uneven deficiencies of the feed liquid distributor serious wear and feed liquid of atomizer in the prior art distribution, a kind of feed liquid distributor of atomizer is provided, it can guarantee that feed liquid is uniformly distributed into discharge duct and atomizing wheel, so that atomization is uniform, nozzle is not easy to plug, and improves the service life of atomizer.
Description
Technical field
The utility model relates to feed liquid dispenser technology fields, distribute more specifically to a kind of feed liquid of atomizer
Device.
Background technique
The feed liquid dispenser designs of most of high speed rotation dry nebulizer are all made of scroll casing type and orifice plate both at home and abroad at present
Formula structure.For scroll casing type feed liquid distributor when design discharge is run, feed liquid each cross sectional flow rate in spiral case is balanced, into discharge duct
It is evenly distributed, while the balanced radial force from feed liquid suffered by main shaft.When feed liquid flow deviates design discharge, each cross sectional flow rate
It differs, the feed liquid into discharge duct is caused to be unevenly distributed or even feed liquid silting.Orifice-plate type feed liquid dispensing arrangement is simple, but to material
Liquid stream resistance is very big, be easy to cause feed liquid silting, while big flow requires hole plate suqare big, causes equipment too fat to move.Two kinds of structure material
Liquid distributor can only discharging vertically downward, and material feeding atomizing wheel in lower part causes atomizing wheel serious wear, mist because being high speed rotation
It is more severe because wearing with supplied materials angle reason to change wheel radial nozzle, and is easy to block.Abrasion blocking makes high-speed rotating mist
Change and take turns weighing apparatus acceleration damage partially, while leading to main shaft, main shaft bearing and guide bearing damage because atomizing wheel weighs to vibrate partially, is made when serious
It is damaged at atomizer is whole because of vibration.
High speed rotation atomizer originally is mostly used in medicine and food service industry, the proportion and stream of material in production process
Amount is relatively stable, is also able to satisfy production requirement using existing scroll casing type and orifice-plate type feed liquid distributor.But as Environmental Protection in China is arranged
Further increasing for requirement is put, high speed rotation atomizer largely makes in the semi-dry desulphurizations project such as metallurgy, electric power, coal chemical industry
With just exposure is undoubtedly the shortcomings that, two kinds of feed liquid distributors.Because the technique and ingredient of metallurgical production are unstable, the sulfur content of flue gas
Clearly with temperature fluctuation, it is desirable that desulfurization feed liquid must change therewith.Since the variation of desulfurization feed liquid causes atomizing wheel to lose
Balance, causes equipment damage, has seriously affected normal production.Therefore, the abrasion and feed liquid of high speed rotation atomizer how to be solved
Partition equilibrium problem is just particularly important.
Through retrieving, have a large amount of patent disclosures, such as Chinese Patent Application No. about the design of atomizer at present:
2017208927927, a kind of applying date: on July 21st, 2017, invention and created name are as follows: high speed centrifugal atomization device feed liquid distribution
Device, including feed liquid distributor bracket, feed liquid distribution plate, feed liquid distributor and cooling water pond, feed liquid distribution plate are embedded in lower section
In feed liquid distributor bracket, positioning is connect with feed liquid distributor bracket by sunk screw, and seal by O-ring seal；Material
The bottom of feed liquid distribution plate is arranged in the cooling water pond of liquid distributor, connect positioning with feed liquid distributor bracket by sunk screw.
Disadvantage is that: the problem of the abrasion of high speed rotation atomizer and feed liquid distribution unevenness is still serious, cannot solve well
Certainly.
Utility model content
1. utility model technical problems to be solved
Uneven the purpose of the utility model is to overcome feed liquid distributor serious wear in the prior art and feed liquid distribution
Deficiency provides a kind of feed liquid distributor of atomizer, can guarantee that feed liquid is uniformly distributed into discharge duct and atomizing wheel, so that mist
Change uniformly, nozzle is not easy to plug, and improves the service life of rotary atomizer.
2. technical solution
In order to achieve the above objectives, technical solution provided by the utility model are as follows:
A kind of feed liquid distributor of atomizer of the utility model, including spiral case, spiral case lower section are provided with discharge duct, discharging
Circumferentially uniform intervals are provided with guide vane two on the inner wall of pipe.
Further, be provided with guide vane one in spiral case, guide vane one along spiral case involute gradually evolution to extension.
Further, the upper surface of guide vane two tilts gradually downward along the direction far from discharging inside pipe wall.
Further, the angle between the length extending direction and discharging tube axis direction of guide vane two is α, α=0 °-
45°。
Further, the quantity of guide vane two is even number.
Further, feed opening is opened up on the top plate of feed liquid distributor, feed opening is connected with feed pipe, top plate and snail
Bolt hole is offered on shell, top plate is fixed on spiral case by the bolt hole that bolt one passes through on spiral case.
Further, sealing ring one is additionally provided between top plate and spiral case.
Further, bolt hole is offered on spiral case and discharge duct, bolt two passes through the bolt hole on discharge duct will
Discharge duct is fixed on spiral case.
Further, sealing ring two is provided between spiral case and discharge duct.
3. beneficial effect
Using technical solution provided by the utility model, compared with prior art, have the following beneficial effects:
(1) the feed liquid distributor of a kind of atomizer of the utility model, including spiral case, spiral case lower section are provided with discharge duct,
Circumferentially uniform intervals are provided with guide vane two on the inner wall of discharge duct, and the upper surface of guide vane two is along the direction far from discharging inside pipe wall
It tilts gradually downward, feed liquid can be made to enter rotary-atomizing wheel with the angle of tangent line, can be effectively reduced feed liquid to rotary-atomizing
The abrasion of wheel improves the service life of rotary-atomizing wheel.
(2) the feed liquid distributor of a kind of atomizer of the utility model, feed liquid distributor is interior to be equipped with spiral case, setting in spiral case
Have a guide vane one, guide vane one along spiral case involute gradually evolution to extension.The feed liquid entered in spiral case is divided into two strands by guide vane one, is made
Feed liquid each section in spiral case flow velocity it is balanced, be evenly distributed into discharge duct, while in the case where ensure that feed liquid variation,
Radial force suffered by live spindle from feed liquid is able to maintain balance, improves the use of rotary atomizer system integral device
Service life.
(3) the feed liquid distributor of a kind of atomizer of the utility model, Leaf positional distribution direction and discharge duct on guide vane two
Inside wall height direction on angle be α, -45 ° of α=0 °.When α is not equal to 0 °, being obliquely installed of multi-disc guide vane two make its
It is distributed on the inner wall of discharge duct in one-piece auger, uniform divided flows can be carried out to the feed liquid of entrance and prewhirls to feed solution flow generation
Effect makes feed liquid enter rotary-atomizing wheel with tangential angle, and the rotation of rotary-atomizing wheel is complied in the tilt angle setting of guide vane two
To, make feed liquid be easier to enter nozzle, the service life of rotary-atomizing wheel, ultimate guarantee rotary-atomizing wheel can be further improved
With the steady operating of live spindle.
(4) the feed liquid distributor of a kind of atomizer of the utility model, the quantity of guide vane two are even number.The design of even number can
Feed liquid is assigned as even number part, feed liquid distribution is balanced, is allowed to the even number number of corresponding nozzle, can guarantee feed liquid equably into
Entering rotary-atomizing wheel, and be uniformly discharged through nozzle, keeps the rotation of rotary-atomizing wheel steady, uniformly, nozzle is not susceptible to block for atomization,
The long-term accessible work of rotary atomizer system integral device is further ensured.
(5) the feed liquid distributor of a kind of atomizer of the utility model opens up feed opening on the top plate of feed liquid distributor,
Feed opening is connected with feed pipe, and bolt hole is offered on top plate and spiral case, and bolt one passes through the bolt hole on spiral case for top plate
It is fixed on spiral case, it is simple and easy to get to be fixed by bolts mode, and use easy to disassemble.
(6) the feed liquid distributor of a kind of atomizer of the utility model, is additionally provided with sealing ring one between top plate and spiral case,
The design of sealing ring one can not only preferably reinforce fastening and sealing effect between top plate and spiral case, can also mitigate top plate
Abrasion between spiral case.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of scroll casing type feed liquid distributor in the prior art；
Fig. 2 is the structural schematic diagram of orifice-plate type feed liquid distributor in the prior art；
Fig. 3 is a kind of structural schematic diagram of the feed liquid distributor of atomizer of the utility model；
Fig. 4 is the overlooking structure diagram of spiral case in the utility model；
Fig. 5 is the schematic cross-sectional view of guide vane two and discharge duct distribution in the utility model；
Fig. 6 is the three dimensional structure diagram of nozzle in the utility model；
Fig. 7 is the schematic top plan view of nozzle in the utility model；
Fig. 8 is the schematic elevation view of nozzle in the utility model；
Fig. 9 is the left view schematic diagram of nozzle in the utility model；
Figure 10 is the schematic cross-sectional view of Section A-A in Fig. 7；
Figure 11 is the schematic cross-sectional view of section B-B in Fig. 7；
Figure 12 is the structural schematic diagram of rotary-atomizing wheel in the utility model；
Figure 13 is the structural schematic diagram of rotary-atomizing wheel import in the utility model.
Label declaration in schematic diagram:
100, feed liquid distributor；110, top plate；120, feed pipe；130, bolt one；140, sealing ring one；150, spiral case；
151, guide vane one；160, bolt two；170, sealing ring two；180, discharge duct；181, guide vane two；
200, rotary-atomizing wheel；210, atomizing wheel import；220, atomizing wheel exports；230, nozzle；231, inner ring inducer；
231-1, ingate；232, inner ring outlet section；232-1, outlet opening；233, shell；234, inner ring boss；235, inner ring concave station；
236, stream material groove；237, the circular arc ascent stage；240, upper millstone；250, lower millstone；251, arc section；260, material protective layer；
300, live spindle；400, discharging orifice plate.
Specific embodiment
For the content for further appreciating that the utility model, the utility model is described in detail in conjunction with attached drawing.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Below with reference to embodiment, the utility model will be further described.
Embodiment 1
As shown in figure 3, a kind of feed liquid distributor of atomizer of the present embodiment belongs to the main dress of rotary atomizer system
It one of sets, specifically, which includes feed liquid distributor 100, rotary-atomizing wheel 200 and live spindle 300,
The atomizing wheel import 210 of the corresponding rotary-atomizing wheel 200 of the discharge duct 180 of middle feed liquid distributor 100, feed liquid distributor 100 and top
Plate 110 is bolted on 300 pedestal of live spindle on 110 top of top plate.It is as depicted in figs. 1 and 2 the prior art
High speed rotarily dries the conventional design of the feed liquid distributor 100 in atomizer, and respectively design is using scroll casing type (see figure
And orifice-plate type (see Fig. 2) structure 1).Scroll casing type feed liquid distributor involute size is determined according to design discharge, in design discharge
When operation, each section feed velocity uniformity of involute is not easy putty, while 300 stress balance of live spindle.Work as material flow
When amount is less than design discharge, flows decrease, most of feed liquid flows into discharge duct 180 from nearly cut water, and unloads at separate cut water
Expects pipe 180 flows into feed liquid seldom or even does not have, so that it is irregular to cause rotary-atomizing wheel 200 to feed, rotary-atomizing wheel 200 is caused to shake
Dynamic damage；When feed liquid flow is greater than design discharge, flow velocity increases, and has little time to flow into discharge duct 180 far from material at cut water,
Local stoppages are sent out, and lead to 300 unbalance stress of live spindle, live spindle 300 causes vibration to deviation at cut water, accelerates rotation
Turn the damage of main shaft 300, while causing conglomeration into the feed liquid of rotary-atomizing wheel 200 is seriously irregular, leads to rotary-atomizing wheel 200
230 accelerated wear test of nozzle or blocking.
One piece of porous discharging orifice plate 400, hole is arranged in orifice-plate type feed liquid distributor at the top of discharge duct 180 in the prior art
Diameter size and quantity are determined according to mass flow, material characteristic.Flow is bigger, and the requirement of 400 area of passage of discharging orifice plate is bigger,
And since it lacks scroll casing type involute progressive performance, so orifice plate co-volume bigger than scroll casing type can obtain in the case of same flow
It is more.Orifice-plate type is very big to the flow resistance of material, so abrasion is severe, service life is short.The small meeting putty of eyelet, eyelet are big simultaneously
It will affect the homogeneity by material, therefore be rarely employed in semi-dry desulphurization equipment.
The material that the feed liquid distributor 100 of above two structure enters discharge duct 180 is vertically downward, into rotation mist
Changing wheel 200 is that front is flung, and rotary-atomizing wheel 200 is easily caused to wear, even if installing additional on the bottom plate of rotary-atomizing wheel 200 wear-resisting
Plate, service life are also very short.In addition rotary-atomizing wheel 200 is provided that radial nozzles 230, into wheel feed liquid and 230 angle of nozzle at
90 °, be up in revolving speed it is exceedingly odious to the abrasion of nozzle 230 in tens of thousands of turns of rotary-atomizing wheel 200, while can plug nozzle
230, causing the unbalance strenuous vibration of rotary-atomizing wheel 200 leads to equipment damage.
As shown in Fig. 3-Figure 11, it is specific as shown in figure 3, the present embodiment opened up on the top plate 110 of feed liquid distributor 100 into
Expect hole, feed opening is connected with feed pipe 120, be provided with spiral case 150 in feed liquid distributor 100, top plate 110 with it is equal on spiral case 150
Bolt hole is offered, top plate 110 is fixed on spiral case 150 by the bolt hole that bolt 1 passes through on spiral case 150.Using bolt
Fixed form is simple and easy to get, and use easy to disassemble.Sealing ring 1 is additionally provided between top plate 110 and spiral case 150, specifically
Ground uses O-ring in the present embodiment, can preferably reinforce the fastening and sealing effect between top plate 110 and spiral case 150, and O
Type circle can mitigate the abrasion between top plate 110 and spiral case 150.Similarly, spiral shell is also offered on spiral case 150 and discharge duct 180
Discharge duct 180 is fixed on spiral case 150 by keyhole, the bolt hole that bolt 2 160 passes through on discharge duct 180.Spiral case 150 and discharging
It is provided with sealing ring 2 170 between pipe 180, specifically, O-ring, preferably reinforcement spiral case 150 and discharging are used in the present embodiment
Fastening and sealing effect between pipe 180, and the abrasion between discharge duct 180 and spiral case 150 can be mitigated.In rotary-atomizing wheel
Nozzle 230 is installed at 200 atomizing wheel outlet 220.Feed liquid enters in spiral case 150 through feed pipe 120 when use, then through discharging
Pipe 180 enters rotary-atomizing wheel 200, and finally sprays through nozzle 230.In actual use, nozzle 230 is usually arranged as multistage
And number is even number.
Circumferentially uniform intervals are provided with multi-disc guide vane 2 181 on the inner wall of discharge duct 180 in the present embodiment, specific as schemed
Shown in 3, the structure design that guide vane 2 181 takes the upper surface in length of blade direction to tilt down in the present embodiment is specially led
The upper surface of leaf 2 181 tilts gradually downward along the direction (direction i.e. far from 180 inner wall of discharge duct) close to live spindle 300
Design, and the upper end of guide vane 2 181 is lower than the upper surface of discharge duct 180, the lower end of guide vane 2 181 is higher than going out for discharge duct 180
Mouthful.When feed liquid is entered in discharge duct 180 through spiral case 150, feed liquid can be carried out effectively separating shunting through guide vane 2 181, and lead
The inward slant setting of 2 181 upper surface of leaf can reasonably adjust feed liquid inflow direction, make feed liquid with the angle of tangent line
It into rotary-atomizing wheel 200, avoids and the front of rotary-atomizing wheel 200 is flung, can be effectively reduced feed liquid to rotary-atomizing
The abrasion of wheel 200 improves the service life of rotary-atomizing wheel 200.As shown in figure 5, the length extending direction of guide vane 2 181 with unload
Angle is α between 180 axis direction of expects pipe, g=0-45 °, α be according to the size of material feeding rotary-atomizing wheel 200, revolving speed, steering,
The factors optimal settings such as 230 position of nozzle, material characteristic, specifically, in the present embodiment, α=0 °, guide vane 2 181 is vertical point
The blade of cloth.
In the present embodiment, the quantity of guide vane 2 181 is even number.Feed liquid can be assigned as even number part by the design of even number, material
Liquid distribution is balanced, is allowed to the even number number of corresponding nozzle 230, can guarantee that feed liquid evenly into rotary-atomizing wheel 200, and passes through
Nozzle 230 is uniformly discharged, and rotates rotary-atomizing wheel 200 steadily, and uniformly, nozzle 230 is not susceptible to block for atomization, further protects
The long-term accessible work of rotary atomizer system integral device is hindered.
In the present embodiment, be equipped with nozzle 230 at the atomizing wheel of rotary-atomizing wheel 200 outlet 220, the inner ring of nozzle 230 into
Ingate 231-1 is offered in mouth section 231, ingate 231-1 is eccentric variable diameter hole.The design in eccentric variable diameter hole, make inner ring into
The circumferential side wall of mouthful section 231 is divided into the asymmetric periphery of thickness, in use, by the side wall of thick periphery towards rotary-atomizing
The opposite direction of 200 rotation of wheel, can guarantee key wear thickness circle when the feed liquid in rotary-atomizing wheel 200 enters nozzle 230 in this way
The side wall of circumferential surface reduces feed liquid to the impact wear of nozzle 230, avoids to increase the one-sided thickness of feed liquid wash surface
The problem for causing 230 uneven wear of nozzle serious, improves the service life of nozzle 230.
In actual use, feed liquid enters in spiral case 150 the present embodiment from the feed pipe 120 on feed liquid distributor 100, along snail
Liquid material is equably entered rotary-atomizing wheel to circulation, and by discharge duct 180 with tangential angle by the gradually evolution of 150 involute of shell
200 atomizing wheel import 210, last atomizing wheel, which exports, enters nozzle 230 at 220, avoids the front to rotary-atomizing wheel 200
It flings, reduces the abrasion to rotary-atomizing wheel 200, improve the service life of rotary-atomizing wheel 200.Specifically, this implementation
A kind of feed liquid distributor 100 of atomizer of example makes 200 service life of rotary-atomizing wheel improve 3 times in actual use, nozzle 230
Service life extends 2 times.
Embodiment 2
A kind of feed liquid distributor of atomizer of the present embodiment, basic structure is with embodiment 1, the difference is that this implementation
α=30 ° in example, being obliquely installed for multi-disc guide vane 2 181 are distributed it on the inner wall of discharge duct 180 in one-piece auger, can
Uniform divided flows are carried out to the feed liquid of entrance and pre- swirl effect is generated to feed solution flow, feed liquid is made to enter rotary-atomizing with tangential angle
Wheel 200, and the rotation direction of rotary-atomizing wheel 200 is complied in the tilt angle setting of guide vane 2 181, and feed liquid is made to be easier to enter nozzle 230,
It can be further improved the service life of rotary-atomizing wheel 200, ultimate guarantee rotary-atomizing wheel 200 and live spindle 300
Steady operating.
Embodiment 3
A kind of feed liquid distributor of atomizer of the present embodiment, basic structure is with embodiment 2, the difference is that this implementation
α=45 ° in example.
Embodiment 4
A kind of feed liquid distributor of atomizer of the present embodiment, basic structure is the same as embodiment 3, further, this implementation
Spiral case 150 is equipped in example in feed liquid distributor 100, is provided with guide vane 1 in spiral case 150, guide vane 1 is along spiral case 150
Gradually for evolution to extension, the guide vane line style and spiral case involute are symmetrical for involute, and one 151 tail end of guide vane closes at spiral case linear feed slot
Section.Specifically, as shown in figure 4, adding one of balance guide vane 1 on 150 involute cut water opposite of spiral case, the guide vane one
151 discharge ducts 180 opposite with involute cut water and 300 absolute symmetry of live spindle enter regardless of feed liquid flow increases or decreases
The feed liquid of discharge duct 180 can circumferentially guarantee to be uniformly distributed, at the same ensure that feed liquid variation in the case where, live spindle
Radial force suffered by 300 from feed liquid is able to maintain balance, abrasion of the material to rotary-atomizing wheel 200 is greatly reduced, finally
The steady operating for guaranteeing rotary-atomizing wheel 200 and live spindle 300, improve rotary atomizer system integral device uses the longevity
Life.
Embodiment 5
A kind of feed liquid distributor of atomizer of the present embodiment, basic structure is with embodiment 4, further, such as Fig. 6 institute
Show, in the rotary atomizer system of the present embodiment, nozzle 230 includes shell 233, and the both ends of shell 233 are respectively inner ring import
Section 231 and inner ring outlet section 232, the circumferential side wall of inner ring inducer 231 include inner ring boss 234 and inner ring concave station 235, inner ring
The height of concave station 235 be lower than inner ring boss 234 height, and the both ends of inner ring concave station 235 pass through the circular arc ascent stage 237 with it is interior
The both ends for enclosing boss 234 are connected, and the top end surface of inner ring boss 234 and inner ring concave station 235 is plane.Feed liquid is recessed by inner ring
Enter nozzle 230 at the top end face of platform 235, the height of the inner ring concave station 235 of design is lower than the height of inner ring boss 234, is convenient for
The collection of feed liquid reduces the resistance of feed liquid flow nozzle 230.What feed liquid entered that nozzle 230 mainly washes away is inner ring boss 234
Inner wall, due to inner ring boss 234 inner wall thickness be greater than inner ring concave station 235 inner wall thickness, feed liquid is for nozzle
230 abrasion is greatly reduced, and further improves the service life of nozzle 230.
Embodiment 6
A kind of feed liquid distributor of atomizer of the present embodiment, basic structure is the same as embodiment 5, further, this implementation
In the rotary atomizer system of example, ingate 231-1 is threaded hole, and the section of ingate 231-1 is slotted eye.Inside iris out
It is offered in mouth section 232 in the outlet opening 232-1 communicated with ingate 231-1, outlet opening 232-1 and ingate 231-1 composition
The through-hole structure that wall smoothly transits, outlet opening 232-1 is threaded hole, and the section of outlet opening 232-1 is slotted eye.Ellipse
Boring ratio cylindrical hole is more preferable to the action of turbulent flow of feed liquid, keeps the atomizing effect of feed liquid more preferable, and nozzle 230 is not easily caused to block.Out
The aperture of oral pore 232-1 is less than the aperture of ingate 231-1, that is, the through-hole structure formed is the tapered hole that aperture constantly reduces.
Nozzle 230 is designed to big ellipse spiral entrance, the outlet of small ellipse spiral, and bulky grain and Viscous Liquid plug nozzle 230 is avoided to enter
Mouthful, while the flow velocity of 230 exit feed liquid of nozzle is also accelerated, alleviate the blocking to nozzle 230.
Embodiment 7
A kind of feed liquid distributor of atomizer of the present embodiment, basic structure is the same as embodiment 6, further, this implementation
In the rotary atomizer system of example, stream material groove 236 is offered at the top of the circumferential side wall of inner ring concave station 235, stream material groove 236
Development length exceeds 237 position of circular arc ascent stage at 235 both ends of inner ring concave station, specifically, as shown in fig. 6, in inner ring concave station 235
Circumferential side wall lateral surface on ream a part of side wall so that protruded from the top of inner ring concave station 235 stream material groove 236 on, i.e.,
Stream material groove 236 is surrounded on the outside of inner ring concave station 235, and stream is expected between top surface of the bottom surface of groove 236 apart from inner ring concave station 235
Height be 2-3mm, specifically, the height in the present embodiment between top surface of the bottom surface apart from inner ring concave station 235 of stream material groove 236
Degree is 2mm.And the bottom surface of stream material groove 236 is that smooth arc transition is connect with the circumferential side wall of inner ring concave station 235, stream material groove
236 both ends are beyond 237 position of circular arc ascent stage and arc-shaped transition is connect between inner ring boss 234.The stream material of the present embodiment
Groove 236 helps to further decrease the abrasion of nozzle 230, prolongs its service life, makes a concrete analysis of as follows: rotary-atomizing wheel 200
Inside it is usually provided with 230 collective effect of multistage nozzles, in actual use, most of feed liquid can pass through the top of inner ring concave station 235
Face is directly entered ingate 231-1, but has some residual feed liquid because a variety of causes such as position distribution can not flow directly into entrance
Hole 231-1 causes the further mill to nozzle 230 to wash away the outer wall of inner ring inducer 231 on the outside of the 231-1 of ingate
Damage, the present embodiment by setting stream material groove 236, lead by the feed liquid that can not be directly entered ingate 231-1 to the part
Flow point dissipates, and branches to extra feed liquid in next stage nozzle 230 to two sides through stream material groove 236, with other feed liquids jointly into
Enter in the ingate 231-1 of next stage nozzle 230, successively back and forth, so as to further decrease impact of the feed liquid to nozzle 230
Damage.
Nozzle 230 can integrally select metal or nonmetallic wear-resistant material to make in the present embodiment, also can metal-coating liner
Wear-resistant material can be effectively relieved feed liquid to the erosive wear of nozzle 230, further increase the service life of nozzle 230.
The nozzle 230 of the present embodiment is through actually using, and compared with existing conventional atomizer 230, side wall friction durability is mentioned
It doubles, it is almost nil that putty occurs in nozzle 230, avoids rotary-atomizing wheel 200 and causes maintenance down because putty is unbalance and set
Standby damage.According to the nozzle 230 that mentioned above principle makes, when installation heavy wall side should be rotated towards rotary-atomizing wheel 200 it is reversed,
This ensure that key wear heavy wall when material enters nozzle 230 in rotary-atomizing wheel 200.
Embodiment 8
A kind of feed liquid distributor of atomizer of the present embodiment, basic structure is with embodiment 7, the difference is that this implementation
In the rotary atomizer system of example, the height between top surface of the bottom surface of stream material groove 236 apart from inner ring concave station 235 is 3mm.
Embodiment 9
A kind of feed liquid distributor of atomizer of the present embodiment, basic structure is with embodiment 8, the difference is that this implementation
In the rotary atomizer system of example, the height between top surface of the bottom surface of stream material groove 236 apart from inner ring concave station 235 is 2.5mm.
Embodiment 10
As shown in Figure 12-Figure 13, a kind of feed liquid distributor of atomizer of the present embodiment, basic structure is with embodiment 9, more
Further, in this embodiment the inner circumferential wall of atomizing wheel outlet 220 is equipped with nozzle 230, the feed end of nozzle 230 is to atomization
220 internal stretches of wheel outlet, and the feed end top of nozzle 230 inwardly exceeds the inner circumferential wall of atomizing wheel outlet 220.Specifically
Ground, in the inner circumferential wall of the shell precession atomizing wheel outlet 220 of nozzle 230, and the feed end of nozzle 230 is to rotary-atomizing wheel
The distance S of 200 internal stretches protrusion is 6mm.The protrusion of nozzle 230 is arranged so that in actual use, atomizing wheel outlet 220 is circumferential
The surface of inner wall will form one layer of material protective layer 260, and the material protective layer 260 can finally reach the charging with nozzle 230
Hold top concordant, i.e., the thickness of material protective layer 260 can finally reach equal with the feed end of nozzle 230 protrusion distance S, nozzle
230 convex section becomes in the protective layer anchoring pile one by one, ensure that protective layer firm stable, avoids feed liquid and nozzle
The direct contact of 230 protrusion outer walls slows down feed liquid to the erosive wear of 230 feed end of nozzle, it is circumferential more to export 220 in atomizing wheel
One layer of cladding protective layer is formed on inner wall, impacts its surface by feed liquid, is avoided feed liquid and is exported in charging with atomizing wheel
The direct contact scour of 220 inner circumferential walls further slows down and exports washing away strongly for 220 inner walls to atomizing wheel, improves rotation
Turn the service life of atomizing wheel 200.
In the present embodiment, the openings of sizes of atomizing wheel import 210 is gradually increased from top to bottom, it is ensured that feed liquid enters rotation
It is not the inner wall for vertically directly washing away rotary-atomizing wheel 200 when turning 200 inside of atomizing wheel, one is played to the flow direction of feed liquid
Fixed guiding or so effectively alleviates feed liquid to the erosive wear of 200 inner wall of rotary-atomizing wheel, further improves rotation mist
Change the service life of wheel 200.
In the present embodiment, upper millstone 240 and lower mill are respectively arranged on 200 upper end inner wall of rotary-atomizing wheel and lower end inner wall
Disk 250, as shown in figure 12, the upper end inner wall of rotary-atomizing wheel 200 refers to positioned at 220 top of atomizing wheel outlet in the present embodiment
Interior wall construction, the lower end inner wall of rotary-atomizing wheel 200 refer to that the interior wall construction that 220 bottoms are exported positioned at atomizing wheel, atomizing wheel go out
The inner circumferential wall of mouth 220 then refers to the side inside wall structure of rotary-atomizing wheel 200, and wherein atomizing wheel exports the inner wall of 220 bottoms
Middle part is additionally provided with the boss structure passed through for live spindle 300 upwardly extended, and outer wall and the atomizing wheel of the boss structure go out
The inner wall smooth transition connection of 220 bottoms of mouth, collectively constitutes the lower end inner wall structure of rotary-atomizing wheel 200.On in the present embodiment
Mill 240 is embedded in 200 upper end inner wall of rotary-atomizing wheel, and 240 bottom of upper millstone and 200 upper end inner wall bottom of rotary-atomizing wheel
Portion keeps concordant, and lower millstone 250 includes horizontal segment, vertical section and arc section 251, wherein horizontal segment and the L-shaped distribution of vertical section,
Arc section 251 is the segmental arc to lower recess, and the both ends of arc section 251 smoothly transit and horizontal segment and vertical section phase respectively
Even, i.e. the horizontal segment of lower millstone 250 is set to atomizing wheel and exports on the inner wall of 220 bottoms, and the vertical section of lower millstone 250 is coated on
On the outer wall of above-mentioned boss structure, also using the connection that smoothly transits, guarantee goes out with atomizing wheel for the junction of horizontal segment and vertical section
The abundant fitting of the outer wall of mouthful 220 bottom internals and boss structure, the setting of arc section 251 additionally aid to the feed liquid of entrance into
The effective guide functions of row, are conveniently adjusted the direction that feed liquid enters nozzle 230.250 phase of upper millstone 240 and lower millstone in the present embodiment
Cooperation carries out the upper end inner wall and lower end inner wall of rotary-atomizing wheel 200 effectively to coat protection, so that feed liquid will not when entering
It is directly in contact with the upper lower wall of rotary-atomizing wheel 200, avoids feed liquid and directly wash away, so as to effectively mitigate feed liquid to rotation
The erosive wear for turning the upper lower wall of atomizing wheel 200, improves the service life of rotary-atomizing wheel 200；Further, upper millstone
240 with the upper end inner wall of rotary-atomizing wheel 200 be to be detachably connected, and lower millstone 250 and the lower end inner wall of rotary-atomizing wheel 200 are
It being detachably connected, upper millstone 240 and lower millstone 250 can be replaced flexibly, once upper millstone 240 and lower millstone 250 go out
When being now seriously worn, the upper millstone 240 and lower millstone 250 directly more renewed is easy to operate and can be for a long time to rotary-atomizing
It takes turns 200 inner walls and carries out effective protection, be further ensured that the service life of rotary-atomizing wheel 200.
In the present embodiment, upper millstone 240 and lower millstone 250 are all made of wear-resistant material production, such as ceramics, diamond, tool
Body, ceramic making is used in the present embodiment.Ceramic material has many advantages, such as high-melting-point, high rigidity, high-wearing feature, resistance to oxidation,
250 wearability of upper millstone 240 and lower millstone is improved, protects 200 inner wall of rotary-atomizing wheel not by the erosive wear of feed liquid, into
One step improves the service life of rotary-atomizing wheel 200.
Embodiment 11
A kind of feed liquid distributor of atomizer of the present embodiment, basic structure is with embodiment 10, the difference is that this implementation
In example, the distance S that nozzle 230 protrudes the inner circumferential wall of atomizing wheel outlet 220 is 8mm.
Embodiment 12
A kind of feed liquid distributor of atomizer of the present embodiment, basic structure is with embodiment 11, the difference is that this implementation
In example, the distance S that nozzle 230 protrudes the inner circumferential wall of atomizing wheel outlet 220 is 10mm.
Schematically the utility model and embodiments thereof are described above, description is not limiting, attached drawing
Shown in be also one of the embodiments of the present invention, actual structure is not limited to this.So if this field
Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, not inventively design
Frame mode similar with the technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (7)
1. a kind of feed liquid distributor of atomizer, it is characterised in that: including spiral case (150), be provided with guide vane one in spiral case (150)
(151), along the involute of spiral case (150), gradually evolution is provided with discharge duct below spiral case (150) to extension to guide vane one (151)
(180), circumferentially uniform intervals are provided with guide vane two (181), the upper surface of guide vane two (181) on the inner wall of discharge duct (180)
It is tilted gradually downward along the direction far from discharge duct (180) inner wall.
2. a kind of feed liquid distributor of atomizer according to claim 1, it is characterised in that: the length of guide vane two (181)
Angle between extending direction and discharge duct (180) axis direction is α, -45 ° of α=0 °.
3. a kind of feed liquid distributor of atomizer according to claim 2, it is characterised in that: the quantity of guide vane two (181)
For even number.
4. a kind of feed liquid distributor of atomizer according to claim 1, it is characterised in that: feed liquid distributor (100)
Feed opening is opened up on top plate (110), feed opening is connected with feed pipe (120), opens up on top plate (110) and spiral case (150)
There is bolt hole, top plate (110) is fixed on spiral case (150) by the bolt hole that bolt one (130) passes through on spiral case (150).
5. a kind of feed liquid distributor of atomizer according to claim 4, it is characterised in that: top plate (110) and spiral case
(150) sealing ring one (140) is additionally provided between.
6. a kind of feed liquid distributor of atomizer according to claim 1-5, it is characterised in that: spiral case (150)
With offer bolt hole on discharge duct (180), bolt two (160) passes through the bolt hole on discharge duct (180) for discharge duct
(180) it is fixed on spiral case (150).
7. a kind of feed liquid distributor of atomizer according to claim 6, it is characterised in that: spiral case (150) and discharge duct
(180) sealing ring two (170) is provided between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820647706.0U CN208525850U (en) | 2018-04-28 | 2018-04-28 | A kind of feed liquid distributor of atomizer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820647706.0U CN208525850U (en) | 2018-04-28 | 2018-04-28 | A kind of feed liquid distributor of atomizer |
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| Publication Number | Publication Date |
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| CN208525850U true CN208525850U (en) | 2019-02-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108379863A (en) * | 2018-04-28 | 2018-08-10 | 马鞍山马钢华阳设备诊断工程有限公司 | A kind of feed liquid distributor of atomizer |
| CN111942832A (en) * | 2019-05-16 | 2020-11-17 | 松下知识产权经营株式会社 | Powder supply device |
-
2018
- 2018-04-28 CN CN201820647706.0U patent/CN208525850U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108379863A (en) * | 2018-04-28 | 2018-08-10 | 马鞍山马钢华阳设备诊断工程有限公司 | A kind of feed liquid distributor of atomizer |
| CN108379863B (en) * | 2018-04-28 | 2024-04-09 | 安徽欣创节能环保科技股份有限公司 | Feed liquid distributor of atomizer |
| CN111942832A (en) * | 2019-05-16 | 2020-11-17 | 松下知识产权经营株式会社 | Powder supply device |
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Effective date of registration: 20230726 Address after: 243000, No. 665, Xitang Road, economic and Technological Development Zone, Maanshan City, Anhui Province Patentee after: ANHUI XINCHUANG ENERGY SAVING & ENVIRONMENTAL PROTECTION SCIENCE & TECHNOLOGY Co.,Ltd. Patentee after: JINGJIANG JINGDA DYNAMO-ELECTRIC PUMP VALVE Co.,Ltd. Address before: No.1688 Tianmen Avenue, Cihu high tech Industrial Development Zone, Ma'anshan City, Anhui Province Patentee before: MAANSHAN MA STEEL HUAYANG EQUIPMENT DIAGNOSTICS ENGINEERING CO.,LTD. Patentee before: JINGJIANG JINGDA DYNAMO-ELECTRIC PUMP VALVE Co.,Ltd. |