CN208373371U - A kind of adjustable venturi-type eductors - Google Patents
A kind of adjustable venturi-type eductors Download PDFInfo
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- CN208373371U CN208373371U CN201820714967.XU CN201820714967U CN208373371U CN 208373371 U CN208373371 U CN 208373371U CN 201820714967 U CN201820714967 U CN 201820714967U CN 208373371 U CN208373371 U CN 208373371U
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- cylinder
- adjusting nut
- flange
- nozzle
- venturi
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Abstract
The utility model relates to a kind of adjustable venturi-type eductors, are mainly made of inlet tube, moving cylinder, nozzle, upper adjusting nut, lower adjusting nut, sealing drum, upper flange, cylinder, lower flange, fixed high cylinder, locating piece, induction chamber, air inlet pipe；Moving cylinder upper end is connect with inlet tube, lower end and nozzle threads connect, and moving cylinder passes through the sealing drum for having sealing structure；Upper adjusting nut is threadedly coupled with lower adjusting nut with moving cylinder, and is mounted between upper flange and lower flange；It is to determine high cylinder, and pass through bolt presses between upper flange and lower flange；Sealing drum top connect with lower flange, the top of lower part and cylinder connects；Cylinder side is connect with air inlet pipe, bottom and locating piece connect, and locating piece is threadedly coupled with induction chamber.Change the position of nozzle by adjusting upper adjusting nut or lower adjusting nut.The utility model can replace different nozzle and induction chamber, and adjust nozzle distance, to change the output of device, have good operating flexibility.
Description
Technical field
The utility model relates to the chemical production fields of gas-liquid-solid heterogeneous reaction, in particular to are applied in loop reactor
A kind of adjustable venturi-type eductors.
Background technique
Venturi-type eductors are the core apparatus for determining loop reactor inspiratory capacity and chemical reaction rate.Venturi injection
The structural parameters of device are the principal elements for influencing device inspiratory capacity, and the output of device is difficult to change after apparatus structure determines
Become, the operating flexibility of device is small.
There are many patent documents to report about venturi-type eductors, such as: Chinese patent document CN104210853A is a kind of
Venturi-type eductors more particularly to a kind of injector of the pneumatic conveying of friable particle material, venturi-type eductors include charging
Mouth, fan airflow entrance, the jet segment of Venturi tube structure, discharge port, it is characterised in that venturi-type eductors will be produced by air blower
Raw positive pressure air generates suction when streaming into injector, the material above injector is walked in suction, without any moving component.
For another example: Chinese patent document CN204727204U discloses a kind of venturi-type eductors, it is characterised in that: it includes tee tube
Shell (1), spray head (2), sealing ring (3) and lined ceramics pipe (4), the spray head (2) are placed in the air inlet of threeway tube shell (1)
End, is equipped with sealing ring (3) between spray head (2) and threeway tube shell (1) inner surface, and lined ceramics pipe (4) is placed in threeway tube shell (1)
Interior discharge port end, lined ceramics pipe (4) resist fixation with screw (5) of the lock on threeway tube shell (1).
But above-mentioned venturi-type eductors cannot change position and the size of nozzle, and then cannot achieve circuit reaction
The adjusting of device inspiratory capacity and reactant doses.
Summary of the invention
For the deficiencies in the prior art and defect, the utility model provides a kind of adjustable venturi injection
Device can change position, the different size of nozzle of replacement and the induction chamber of nozzle, thus realization device output and inspiratory capacity
Change.
The technical solution of the utility model is as follows:
A kind of adjustable venturi-type eductors, including moving cylinder, sealing drum and cylinder, the sealing drum and cylinder are solid
Fixed connection, the moving cylinder are socketed in sealing drum by guide collar and/or sealing ring and can be moved back and forth in sealing drum,
The moving cylinder upper end is connected with inlet tube, and the moving cylinder lower end is connected with the nozzle of pyramidal structure；
The sealing drum is also fixedly connected with lower flange, and the lower flange is connect by fixed high cylinder with upper flange, institute
The moving cylinder stated is socketed in upper flange and lower flange and can move back and forth in upper flange and lower flange, the upper flange and
Be provided with adjusting nut and lower adjusting nut between lower flange, the upper adjusting nut and lower adjusting nut by screw thread with
Moving cylinder connection；
The cylinder lower inside is fixedly installed the locating piece of cylindrical structure, and the locating piece is connected through a screw thread
There is induction chamber, the moving cylinder and nozzle may pass through the locating piece；The cylinder side is located at locating piece and sealing drum
Between part be fixedly connected with air inlet pipe.
According to the utility model, it is preferred that the fixed high cylinder is cylindrical structure, by bolt by upper flange and lower flange
Connection compresses.
According to the utility model, it is preferred that the lower end of the moving cylinder is connected through a screw thread with the nozzle.In this way
Different size of nozzle can more easily be replaced.
According to the utility model, the moving cylinder passes through the sealing drum, is equipped with and leads between sealing drum and moving cylinder
To circle and/or sealing ring, thus be avoided that moving cylinder when moving with sealing drum hard friction and damage component.The upper flange and
Lower flange passes through the moving cylinder, but does not fix with moving cylinder, so that moving cylinder can be between upper flange and lower flange
It is mobile.
According to the utility model, it is preferred that be provided on the side of the upper adjusting nut and the lower adjusting nut
Hole.Rotation adjusting more easily can be carried out to upper adjusting nut and lower adjusting nut in this way.
According to the utility model, the locating piece is connected through a screw thread with the induction chamber.It can be more convenient in this way
The different induction chamber of replacement.Preferably, the induction chamber is pyramidal structure.
According to the utility model, it is preferred that the cylinder lower end is also connected with third flange.It in this way can be more easily
It is connect with reaction kettle.
According to the utility model, the adjusting method of adjustable venturi-type eductors is as follows:
When upper adjusting nut and lower adjusting nut are close to lower flange, adjusting nut is rotated clockwise, moving cylinder drives
Nozzle moves upwards；When upper adjusting nut and lower adjusting nut are close on the downside of upper flange, lower adjusting nut is rotated counterclockwise, is moved
Dynamic cylinder drives nozzle to move downward.
According to the utility model, the working principle of adjustable venturi-type eductors are as follows:
Liquid phase reactor object enters nozzle by inlet tube and moving cylinder and is accelerated, and forms low pressure in the exit of nozzle
Area；Since the pressure of jet expansion is lower than gas phase inlet pressure, vapor-phase reactant passes through air inlet pipe and cylinder under the action of pressure difference
Body enters induction chamber, and gas-liquid two-phase was mixed and reacted in the second half section of induction chamber.
What the utility model did not elaborated, press this field routine techniques.
The utility model has the following beneficial effects:
The utility model provides a kind of adjustable venturi-type eductors, can not only replace different structure nozzle and
Induction chamber can also change the position of nozzle by rotating upper adjusting nut and lower adjusting nut, to make venturi-type eductors
With good operating flexibility, and then the change of realization device output and inspiratory capacity.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the adjustable venturi-type eductors of the utility model.
Wherein: 1- inlet tube, 2- moving cylinder, 3- upper flange, 4- determine high cylinder, 5- lower flange, 6- sealing drum, 7- cylinder, 8-
Locating piece, 9- nozzle, 10- induction chamber, 11- air inlet pipe, adjusting nut under 12-, the upper adjusting nut of 13-.
Specific embodiment
Below by specific embodiment and in conjunction with attached drawing, the technical solution of the utility model is clearly and completely retouched
It states.
Embodiment 1
As shown in Figure 1, a kind of adjustable venturi-type eductors, including moving cylinder 2, sealing drum 6 and cylinder 7, it is described
Sealing drum 6 is fixedly connected with cylinder 7, and the moving cylinder 2 is socketed in sealing drum 6 by guide collar and/or sealing ring and can
It is moved back and forth in sealing drum 6,2 upper end of moving cylinder is connected with inlet tube 1, and 2 lower end of moving cylinder is connected with cone
The nozzle 9 of shape structure；
The sealing drum 6 is also fixedly connected with lower flange 5, and the lower flange 5 is connected by fixed high cylinder 4 with upper flange 3
It connects, the moving cylinder 2 is socketed in upper flange 3 and lower flange 5 and can move back and forth in upper flange 3 and lower flange 5, described
Upper flange 3 and lower flange 5 between be provided with adjusting nut 13 and lower adjusting nut 12, the upper adjusting nut 13 and under
Adjusting nut 12 is connect by screw thread with moving cylinder 2；
7 lower inside of cylinder is fixedly installed the locating piece 8 of cylindrical structure, and the locating piece 8 passes through screw thread
It is connected with induction chamber 10, the induction chamber 10 is pyramidal structure, and the moving cylinder 2 and nozzle 9 may pass through the locating piece
8；Part of 7 side of cylinder between locating piece 8 and sealing drum 6 is fixedly connected with air inlet pipe 11.
The adjusting method of adjustable venturi-type eductors described in the present embodiment is as follows:
When upper adjusting nut 13 and lower adjusting nut 12 are close to lower flange 5, adjusting nut 13 is rotated clockwise, it is mobile
Cylinder 2 drives nozzle 9 to move upwards；When upper adjusting nut 13 and lower adjusting nut 12 are close to 3 downside of upper flange, rotate counterclockwise
Lower adjusting nut 12, moving cylinder 2 drive nozzle 9 to move downward.
The working principle of adjustable venturi-type eductors described in the present embodiment are as follows:
Liquid phase reactor object is accelerated by inlet tube 1 and moving cylinder 2 into nozzle 9, is formed in the exit of nozzle 9 low
Pressure area；Since the pressure that nozzle 9 exports is lower than gas phase inlet pressure, vapor-phase reactant passes through air inlet pipe 11 under the action of pressure difference
Enter induction chamber 10 with cylinder 7, gas-liquid two-phase was mixed and reacted in the second half section of induction chamber 10.
Embodiment 2
As described in Example 1, unlike:
The fixed high cylinder 4 is cylindrical structure, is compressed upper flange 3 and the connection of lower flange 5 by bolt, the movement
The lower end of cylinder 2 is connected through a screw thread with the nozzle 9.Different size of nozzle 9 can be more easily replaced in this way.
Embodiment 3
As described in Example 1, unlike:
Hole is provided on the side of the upper adjusting nut 13 and the lower adjusting nut 12.It in this way can be more easily
Rotation adjusting is carried out to upper adjusting nut 13 and lower adjusting nut 12.
Embodiment 4
As described in Example 1, unlike:
7 lower end of cylinder is also connected with third flange.It can more easily be connect in this way with reaction kettle.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this.Technical staff in any the utility model technical field is not departing from essence disclosed by the utility model
Under the premise of mind and range, any modification and change can be made in the implementing form and in details, but the utility model
Scope of patent protection still should be subject to the scope of the claims as defined in the appended claims.
Claims (5)
1. a kind of adjustable venturi-type eductors, which is characterized in that the venturi-type eductors include moving cylinder, sealing drum and cylinder
Body, the sealing drum are fixedly connected with cylinder, and the moving cylinder is socketed in sealing drum by guide collar and/or sealing ring
And can be moved back and forth in sealing drum, the moving cylinder upper end is connected with inlet tube, and the moving cylinder lower end is connected with cone
The nozzle of shape structure；
The sealing drum is also fixedly connected with lower flange, and the lower flange is connect by fixed high cylinder with upper flange, described
Moving cylinder is socketed in upper flange and lower flange and can move back and forth in upper flange and lower flange, the upper flange and laxative remedy
Adjusting nut and lower adjusting nut are provided between orchid, the upper adjusting nut and lower adjusting nut pass through screw thread and movement
Cylinder connection；
The cylinder lower inside is fixedly installed the locating piece of cylindrical structure, and the locating piece has been connected through a screw thread suction
Gas chamber, the moving cylinder and nozzle may pass through the locating piece；The cylinder side is between locating piece and sealing drum
Part be fixedly connected with air inlet pipe.
2. venturi-type eductors according to claim 1, which is characterized in that the fixed high cylinder is cylindrical structure, is passed through
Upper flange is connected compression with lower flange by bolt.
3. venturi-type eductors according to claim 1, which is characterized in that the upper adjusting nut and the downward
It saves and is provided with hole on the side of nut.
4. venturi-type eductors according to claim 1, which is characterized in that the induction chamber is pyramidal structure.
5. venturi-type eductors according to claim 1, which is characterized in that the cylinder lower end is also connected with third method
It is blue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820714967.XU CN208373371U (en) | 2018-05-15 | 2018-05-15 | A kind of adjustable venturi-type eductors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820714967.XU CN208373371U (en) | 2018-05-15 | 2018-05-15 | A kind of adjustable venturi-type eductors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208373371U true CN208373371U (en) | 2019-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820714967.XU Active CN208373371U (en) | 2018-05-15 | 2018-05-15 | A kind of adjustable venturi-type eductors |
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| CN (1) | CN208373371U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114160325A (en) * | 2021-10-28 | 2022-03-11 | 山东大学 | Ejector adaptive to variable working condition adjustment |
-
2018
- 2018-05-15 CN CN201820714967.XU patent/CN208373371U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114160325A (en) * | 2021-10-28 | 2022-03-11 | 山东大学 | Ejector adaptive to variable working condition adjustment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 985, Fenghuangshan Road, Yangting Industrial New Area, Weihai City, Shandong Province, 264204 Patentee after: Xinyuan chemical (Shandong) Co.,Ltd. Patentee after: WEIHAI XINYUAN CHEMICAL MACHINERY Co.,Ltd. Address before: 264204 no.985 Fenghuangshan Road, Yangting industrial new area, Huancui District, Weihai City, Shandong Province Patentee before: WEIHAI NEWERA CHEMICAL Co.,Ltd. Patentee before: WEIHAI XINYUAN CHEMICAL MACHINERY Co.,Ltd. |
|
| CP03 | Change of name, title or address |