CN203124142U - Liquid atomization nozzle - Google Patents

Liquid atomization nozzle Download PDF

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Publication number
CN203124142U
CN203124142U CN 201320029693 CN201320029693U CN203124142U CN 203124142 U CN203124142 U CN 203124142U CN 201320029693 CN201320029693 CN 201320029693 CN 201320029693 U CN201320029693 U CN 201320029693U CN 203124142 U CN203124142 U CN 203124142U
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China
Prior art keywords
liquid
pipe
swivel head
hole
atomizing nozzle
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CN 201320029693
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Chinese (zh)
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孟庆武
虞召存
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Ji'nan uniclever fine flow Machinery Co. Ltd.
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孟庆武
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Abstract

The utility model relates to a liquid atomization nozzle to solve the problem that when liquid materials are added into powder materials, uneven mixing is caused by insufficient atomization of high-viscosity liquid materials. The liquid atomization nozzle comprises a liquid material pipe, a liquid material rotating head, a nozzle body, an air pipe connector and an air pipe, wherein the lower end of the liquid material pipe is connected with the liquid material rotating head, and the liquid materials enter the liquid material rotating head through the liquid material pipe and then are sprayed out. The nozzle body is sleeved and fixed on the upper portion of the liquid material pipe from the top position, the lower portion of the nozzle body is fixedly connected the upper portion of the air pipe, the air pipe is sleeved on the periphery of the liquid material pipe to form an annular cavity, and the nozzle body is connected with the air pipe connector. The air pipe connector is provided with a high-pressure air inlet, and high-pressure air is mixed with the liquid materials at the tail end of the air pipe. The liquid material rotating head is of a column structure and provided with a vertical through hole, the part, close to the liquid material pipe, of the vertical through hole is large in diameter, the through hole diameter gradually decreases from the part of the through hole, and the diameter of the part, close to the lower end of the liquid material rotating head, of the through hole is enlarged. After the nozzle is used, the liquid materials are sprayed after atomization, and cost is saved.

Description

Liquid atomizing nozzle
Technical field
The utility model relates to a kind of fluid injector, particularly a kind of liquid atomizing nozzle.
Background technology
In industrial production, often need use additive, to guarantee the quality of product.Therefore, the adding of additive will be subjected to some specific restrictions, and such as in the high-speed molding process, the adding of additive just must adapt to speed of production, if additive add untimely or add after evenly be not blended in the raw material, just might produce substandard product.
Especially in the resin sand casting process, need be to wherein adding a kind of liquid additive and a kind of powder additives when making sand mold, most factories adopt the method for the straight-through additive of pipelines, and this method can cause sand-mould quality defective or cause the waste of additive in making the sand mold process because additive mixes inhomogeneous.Yet, use existing fluid injector during the annex solution material, when the viscosity of liquid material surpasses 150 centipoises, because liquid material molecular separating force is very big, should not scatter in the powder material, it is inhomogeneous to cause the liquid material to mix with powder material, influences mixing quality.And when add-on system was shut down, the powder material of nozzle end was easy to mix caking with residual liquid material, causes the obstruction of nozzle, has both influenced use next time, may cause nozzle to damage again.
The utility model content
When solving in the powder material annex solution material, high viscosity liquid material atomizes insufficient and causes and mix inhomogeneous problem, the utility model proposes a kind of liquid atomizing nozzle, this liquid atomizing nozzle comprises liquid material pipe, liquid material swivel head, sprayer body, gas-tpe fitting and tracheae; The described liquid material of the following termination swivel head of described liquid material pipe, the liquid material of conveying sprays after entering into described liquid material swivel head through described liquid material pipe; Described sprayer body is from the last sheathed top that is fixed to described liquid material pipe, the top of the fixedly connected described tracheae in lower part of described sprayer body, described tracheae is set in the periphery of described liquid material pipe and forms annular cavity, and a side of described sprayer body is connected with described gas-tpe fitting; Described gas-tpe fitting is provided with the gases at high pressure import, and gases at high pressure enter and from the cavity flow mistake of described annular, the liquid material mixes with the end of gases at high pressure at described tracheae from described gases at high pressure import; Described liquid material swivel head is column structure, and this column structure has lower through-hole, and lower through-hole is bigger near the part aperture of liquid material pipe on this, and the aperture dwindles gradually when extending downwards, and the aperture begins to enlarge near the lower end of this column structure the time.After using this nozzle, the liquid material is broken up atomizing and ejection thereupon by gases at high pressure, has saved the liquid material effectively.
Preferably, the last lower through-hole cross section of described liquid material swivel head inside is an elongated up big and down small trapezoidal and short and small up-small and down-big trapezoidal shape that is connected, when the liquid material when the upper end elongated portion of described liquid material swivel head flows, can collide mutually because there is gradient in tube wall, cause the motion of liquid material interior molecules violent, go into the short and small part in lower end of described liquid material swivel head when the liquid materials flow after, can be ejected because intermolecular mutual repulsion effect spreads out.
Preferably, the last lower through-hole in the described liquid material swivel head also can be designed as import and exit internal diameter greatly, the mid portion internal diameter is little and inwall is circular-arc structure.The first half of described upward lower through-hole is longer, make the liquid material after entering described liquid material swivel head, can on this section arc tube wall, collide mutually, cause the motion of liquid material interior molecules violent, after the liquid material is by the less part of the middle internal diameter of described liquid material swivel head, can be because of the sudden enlargement in space, make the fluid molecule of strenuous exercise owing to intermolecular mutual repulsion effect spreads out, in described liquid material swivel head, spray.
Preferably, the hole wall of going up lower through-hole in the described liquid material swivel head is provided with helicla flute, make the liquid material in the outflow process, obtain a radial velocity, making the liquid material have rotatablely moves, can spread out at the tracheae end after the liquid materials flow goes out described liquid material swivel head, increase the area that mixes with gas, liquid material and gases at high pressure clash into mutually, make the broken atomizing of liquid materials flow bundle, evenly mix with powder material.
Preferably, at described liquid material swivel head the inclined via-hole angled with the central shaft of described liquid material pipe is set, make when a part of gases at high pressure flow through this part in described gases at high pressure passage, entering into described liquid material swivel head goes, both the liquid material in the described liquid material swivel head can be broken up, can prevent that again high viscosity liquid material from stopping up described liquid material swivel head, increase stability and the reliability of device work.
Preferably, in described liquid material swivel head, many rotating pipes are set, after making the liquid material from described liquid material pipe, enter into described liquid material swivel head, part liquid material can flow along described rotating pipe, obtain bigger radial velocity, another part liquid material in described liquid material swivel head on rotary collision in the lower through-hole, after making that the liquid material finally flows out from described rotating pipe, two parts liquid is because not collision in the same way and mutually of speed, cause intermolecular motion fierce, broken up atomizing by gases at high pressure easilier.
Preferably, add a uniform porose thin plate in the joint of described liquid material swivel head and described liquid material pipe, make the liquid material when entering into described liquid material swivel head from described liquid material pipe, be divided into the tiny a fluid stream that several self have eddy flow, pass through the effect of described liquid material swivel head again, make the collision between liquid droplets more fierce, obtain better atomizing effect.
Preferably, described gas-tpe fitting also can be arranged in the described sprayer body, therefore technology such as do not need to weld in addition gas-tpe fitting is fixedly connected on the described sprayer body, thereby guaranteed the air-tightness of device better, improved the security and stability of operation yet.
Preferably, the tip designs of described tracheae is groove type, and the long limit of groove is the supplied materials direction of powder material dorsad; Because the long limit of groove stops powder material, forms a space between nozzle and powder material, make that the liquid material after the atomizing scatters in this space expansion, better mix with powder material, also prevent the powder material plug nozzle simultaneously.
Description of drawings
Fig. 1 is the structural representation of the utility model liquid atomizing nozzle;
Fig. 2 is the structural representation of the utility model liquid atomizing nozzle, and liquid material swivel head is provided with the last lower through-hole of eel-like figure bottle structure along its central shaft;
Fig. 3 is the structural representation of the utility model liquid atomizing nozzle, is provided with inclined via-hole around the liquid material swivel head;
Fig. 4 is the structural representation of the utility model liquid atomizing nozzle, is provided with many rotating pipes in the liquid material swivel head;
Fig. 5 is the structural representation of the utility model liquid atomizing nozzle, in the liquid material pipe thin plate is set;
Fig. 6 is the front view of the thin plate of the utility model liquid atomizing nozzle;
Fig. 7 is the structural representation of another kind of structure of the sprayer body of the utility model liquid atomizing nozzle.
The specific embodiment
As shown in Figure 1, this liquid atomizing nozzle comprises liquid material pipe 1, liquid material swivel head 11, sprayer body 2, gas-tpe fitting 21 and tracheae 3.The following termination liquid material swivel head 11 of liquid material pipe 1, the liquid material of conveying is ejected after entering into liquid material swivel head 11 through liquid material pipe 1.Sprayer body 2 is from the last sheathed top that is fixed to liquid material pipe 1, the top of the fixedly connected tracheae 3 in the lower part of sprayer body 2, and tracheae 3 is set in the periphery of liquid material pipe 1 and forms the cavity of annular, and a side of sprayer body 2 is connected with gas-tpe fitting 21.Gas-tpe fitting 21 is provided with gases at high pressure import 211, and gases at high pressure enter and from this annular cavity flow mistake, the liquid material mixes with the end of gases at high pressure at tracheae 3 from gases at high pressure import 211.
Liquid material swivel head 11 is column structure, this column structure has lower through-hole 111 along its central shaft, and last lower through-hole 111 is bigger near the part aperture of liquid material pipe 1, the aperture dwindles gradually when extending downwards, the aperture begins to enlarge near the lower end of this column structure the time, and its cross section is an elongated up big and down small trapezoidal and short and small up-small and down-big trapezoidal shape that is connected.When the liquid material when the upper end elongated portion of liquid material swivel head 11 flows, can collide mutually because there is gradient in tube wall, cause the motion of liquid material interior molecules violent, go into the short and small part in lower end of liquid material swivel head 11 when the liquid materials flow after, can be ejected because intermolecular mutual repulsion effect spreads out.Perhaps, the last lower through-holes 111 in this liquid material swivel head 11 also can be designed as shown in Figure 2 import and the exit internal diameter greatly, the mid portion internal diameter is little and inwall is circular-arc structure.The first half that should go up lower through-hole 111 is longer, make the liquid material after entering liquid material swivel head 11, can on this section arc tube wall, collide mutually, cause the motion of liquid material interior molecules violent, after the liquid material is by the little part of the middle internal diameter of liquid material swivel head 11, can be because of the sudden enlargement in space, make the fluid molecule of strenuous exercise owing to intermolecular mutual repulsion effect spreads out, ejection in this liquid material swivel head 11.
As shown in Figure 1, design has helicla flute 112 on the hole wall of liquid material swivel head 11 interior upward lower through-holes 111, when the liquid material enters in the liquid material swivel head 11 from liquid material pipe 1, moves along helicla flute 112, has promoted the generation of radial velocity, makes the liquid material increase the motion of rotation.When liquid materials flow fluid material swivel head 11, because the liquid material has and rotatablely moves, be spread out at tracheae 3 ends, increased the area that mixes with gas.Liquid material and gases at high pressure clash into mutually, make the broken atomizing of liquid materials flow bundle, evenly mix with powder material.The tip designs of described tracheae 3 becomes groove, and the long limit of groove is the supplied materials direction of powder material dorsad.Because the long limit of groove stops powder material, forms a space between nozzle and powder material, make that the liquid material after the atomizing scatters in this space expansion, better mix with powder material, also can prevent the powder material plug nozzle simultaneously.
As shown in Figure 3, at liquid material swivel head 11 inclined via-hole 113 angled with the central shaft of liquid material pipe 1 is set, make when a part of gases at high pressure flow through this part in the gases at high pressure passage, entering into liquid material swivel head 11 goes, both the liquid material in the liquid material swivel head 11 can be broken up, can prevent again that high viscosity liquid material from stopping up liquid material swivel head 11.
As shown in Figure 4, the pipeline 114 of many rotations is set in the lower through-hole 111 in liquid material swivel head 11, after making the liquid material from liquid material pipe 1, enter into liquid material swivel head 11, part liquid material can flow along rotating pipe 114, obtain bigger radial velocity, another part liquid material after the liquid material finally flows out from rotating pipe 114, can be broken up atomizing by gases at high pressure at last lower through-hole 111 rotary collisions because the bigger or intermolecular motion of radial velocity is violent.
As shown in Figure 5, joint at liquid material swivel head 11 and liquid material pipe 1 adds a uniform thin plate of porose 121 12, make the liquid material when entering into liquid material swivel head 11 from liquid material pipe 1, be divided into a fluid stream that several have eddy flow, pass through the effect of liquid material swivel head 11 again, make the collision between liquid droplets more fierce, obtain better atomizing effect.
As shown in Figure 6, uniform porose 121 on the thin plate 12, make the liquid material when entering into liquid material swivel head 11 from liquid material pipe 1, be divided into a fluid stream that several self have eddy flow.
Therefore as shown in Figure 7, gas-tpe fitting 21 also can be arranged in the sprayer body 2, does not need to weld in addition to wait technique for fixing, can guarantee the air-tightness of device better, has also improved the security and stability of operating.
When this liquid atomizing nozzle is started working, feed in the tracheae 3 earlier gases at high pressure 2-3min (minute), the tamper of nozzle exit is cleaned out, in liquid material pipe 1, feed the liquid material again.
The liquid material flows in the liquid material swivel head 11 along liquid material pipe 1, obtains a radial velocity in liquid material swivel head 11, and rotation is flowed out then, is broken up the atomizing back by gases at high pressure and mixes with powder, and free-falling is added in the sand mold raw material.
Behind this liquid atomizing nozzle end-of-job, stop logical liquid material 3-5min in the liquid material pipe 1 earlier, stop air feed in the tracheae 3 again, be conducive to the residual liquid material in the nozzle is cleaned out.

Claims (8)

1. liquid atomizing nozzle, this liquid atomizing nozzle comprises liquid material pipe, liquid material swivel head, sprayer body, gas-tpe fitting and tracheae; The described liquid material of the following termination swivel head of described liquid material pipe, the liquid material of conveying sprays after entering into described liquid material swivel head through described liquid material pipe; Described sprayer body is from the last sheathed top that is fixed to described liquid material pipe, the top of the fixedly connected described tracheae in lower part of described sprayer body, described tracheae is set in the periphery of described liquid material pipe and forms annular cavity, and a side of described sprayer body is connected with described gas-tpe fitting; Described gas-tpe fitting is provided with the gases at high pressure import, and gases at high pressure enter and from the cavity flow mistake of described annular, the liquid material mixes with the end of gases at high pressure at described tracheae from described gases at high pressure import; Described liquid material swivel head is column structure, and this column structure has lower through-hole, and lower through-hole is bigger near the part aperture of liquid material pipe on this, and the aperture dwindles gradually when extending downwards, and the aperture begins to enlarge near the lower end of this column structure the time.
2. liquid atomizing nozzle according to claim 1 is characterized in that, the cross section of the last lower through-hole of described liquid material swivel head inside is elongated up big and down small trapezoidal with the short and small up-small and down-big trapezoidal shape that is connected.
3. liquid atomizing nozzle according to claim 1 is characterized in that, the last lower through-hole of described liquid material swivel head inside is set to import and the exit internal diameter is big, the mid portion internal diameter is little and inwall is circular-arc structure.
4. liquid atomizing nozzle according to claim 1 is characterized in that, the hole wall of the last lower through-hole in the described liquid material swivel head is provided with helicla flute.
5. according to any described liquid atomizing nozzle among the claim 1-4, it is characterized in that, install rotating pipe additional in the lower through-hole in described liquid material swivel head.
6. according to any described liquid atomizing nozzle among the claim 1-4, it is characterized in that, at the central shaft angled inclined via-hole of described liquid material swivel head setting with described liquid material pipe.
7. according to any described liquid atomizing nozzle among the claim 1-4, it is characterized in that, add a uniform porose thin plate in the joint of described liquid material swivel head and described liquid material pipe.
8. liquid atomizing nozzle according to claim 1 is characterized in that, described gas-tpe fitting is arranged on described sprayer body inside.
CN 201320029693 2013-01-21 2013-01-21 Liquid atomization nozzle Active CN203124142U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320029693 CN203124142U (en) 2013-01-21 2013-01-21 Liquid atomization nozzle

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Application Number Priority Date Filing Date Title
CN 201320029693 CN203124142U (en) 2013-01-21 2013-01-21 Liquid atomization nozzle

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105080739A (en) * 2014-05-08 2015-11-25 中南大学 Undamaged vortex lotus root digging spray nozzle
CN109078345A (en) * 2018-08-17 2018-12-25 无锡科技职业学院 A kind of atomizing fluid bed dryer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105080739A (en) * 2014-05-08 2015-11-25 中南大学 Undamaged vortex lotus root digging spray nozzle
CN109078345A (en) * 2018-08-17 2018-12-25 无锡科技职业学院 A kind of atomizing fluid bed dryer

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C14 Grant of patent or utility model
GR01 Patent grant
DD01 Delivery of document by public notice

Addressee: Wang Liying

Document name: Notification of Passing Examination on Formalities

COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 250100 JINAN, SHANDONG PROVINCE TO: 251100 DEZHOU, SHANDONG PROVINCE

TR01 Transfer of patent right

Effective date of registration: 20141024

Address after: 251100, Shandong County, Dezhou province Qihe County private private Pioneer Park Xinghua Road, the middle

Patentee after: Shandong Shijing Machinery Co., Ltd.

Address before: 1502, room 2, unit 5, Jinxiu springs, 12 Qilihe Road, Licheng District, Shandong, Ji'nan, 250100

Patentee before: Meng Qingwu

C41 Transfer of patent application or patent right or utility model
ASS Succession or assignment of patent right

Owner name: SHANDONG SHIJING MACHINERY CO., LTD.

Free format text: FORMER OWNER: MENG QINGWU

Effective date: 20141024

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20190618

Address after: 250000 Room 1502, Unit 2, Building 5, Jinxiu Quancheng, 12 Qilihe Road, Licheng District, Jinan City, Shandong Province

Patentee after: Ji'nan uniclever fine flow Machinery Co. Ltd.

Address before: 251100 Central Section of Xinghua Road, Huadian Township Private Enterprise Park, Qihe County, Dezhou City, Shandong Province

Patentee before: Shandong Shijing Machinery Co., Ltd.