CN208138684U - A kind of restriction orifice for gasification installation - Google Patents
A kind of restriction orifice for gasification installation Download PDFInfo
- Publication number
- CN208138684U CN208138684U CN201820381011.2U CN201820381011U CN208138684U CN 208138684 U CN208138684 U CN 208138684U CN 201820381011 U CN201820381011 U CN 201820381011U CN 208138684 U CN208138684 U CN 208138684U
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- CN
- China
- Prior art keywords
- restriction orifice
- orifice
- restriction
- current
- limiting apparatus
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Abstract
The utility model discloses a kind of restriction orifices for gasification installation, including current-limiting apparatus and the restriction orifice being mounted in current-limiting apparatus, the axial face of current-limiting apparatus is provided with fixed block, knob is installed on fixed block, knob is fixedly connected with flapper, and shakes hands to slide up and down in fixed block by sliding slot and flapper is driven to slide up and down on the plate body of restriction orifice, for limiting the flow of fluid or reducing the pressure of fluid, to reach the pressure and flow of needs, adaptability is wider；Current-limiting apparatus and restriction orifice are all made of anticorrosion material and are made, largely solve the problems, such as the corrosion-resistant inadequate and orifice plate corrosion-deformation of restriction orifice and instability of flow, so that the service life of restriction orifice is extended, guarantees the stability of fluid, also extend application field.
Description
Technical field
The utility model relates to restriction orifice technical field, specially a kind of restriction orifice for gasification installation.
Background technique
Restriction orifice is low, easy for installation due to having many advantages, such as simple structure, easy processing, manufacturing cost, is meeting technique
Under the premise of it is required that, using restriction orifice replace regulating valve come limited flow rate or reduce pressure, it will greatly reduce investment and
Maintenance cost is operated, therefore has been widely used in process unit in foreign countries, important work is played to the safe operation of device
With.Restriction orifice is widely used in the industries such as thermoelectricity, nuclear power, petroleum, chemical industry, natural gas, and restriction orifice is arranged in the duct,
For limiting the flow of fluid or reducing the pressure of fluid, to reach the pressure and flow of needs.
But existing restriction orifice corrosion resistance is very low, is easily caused flow by corrosion in a short period of time
Unstable, faying face corrosion resistant erosion degree not enough causes imprecision and deformation to go wrong.The utility model is according to existing restriction orifice
There are the problem of, propose a kind of restriction orifice for gasification installation, largely solve restriction orifice it is corrosion-resistant not
The problem of enough and orifice plate corrosion-deformation and instability of flow, so that the service life of restriction orifice is extended, guarantee the stabilization of fluid
Property, also extend application field.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies of existing technologies, and is provided a kind of for gasification installation
Restriction orifice, to solve the above problems.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution：
The utility model provides a kind of restriction orifice for gasification installation, including current-limiting apparatus and is mounted on current limliting dress
Interior restriction orifice is set, the both ends of current-limiting apparatus are mounted on flange, flanged joint connecting tube；The axial face of current-limiting apparatus is arranged
There is fixed block, knob is installed on fixed block, knob is fixedly connected with flapper, and shakes hands to pass through sliding slot in fixed block up and down
Sliding drives flapper to slide up and down on the plate body of restriction orifice；
Restriction orifice is divided into upper flow orifice plate and lower restriction orifice, is provided between upper flow orifice plate and lower restriction orifice
Aqueduct, the top and bottom of lead-over groove are fixedly connected with upper flow orifice plate and lower restriction orifice respectively, and junction is mounted on
Several through-holes are provided on orifice plate pressure tappings, upper flow orifice plate and lower restriction orifice and lead-over groove.
As a kind of optimal technical scheme of the utility model, current-limiting apparatus and restriction orifice are all made of anticorrosion material
It is made.
As a kind of optimal technical scheme of the utility model, the structure of restriction orifice is mutually fitted with the structure of current-limiting apparatus
Match, the structure of baffle is adapted with the structure of restriction orifice, including but not limited to circular ring shape.
As a kind of optimal technical scheme of the utility model, the quantity of knob and the quantity of baffle are consistent, are n, n
>=2, and the area of n addition is equal to the area of restriction orifice.
As a kind of optimal technical scheme of the utility model, set on upper flow orifice plate and lower restriction orifice and lead-over groove
The number of openings set is consistent, and the via area being arranged on lead-over groove is logical greater than what is be arranged on upper flow orifice plate and lower restriction orifice
Hole area.
As a kind of optimal technical scheme of the utility model, restriction orifice is an integral molding structure.
The utility model beneficial effect achieved is：
1, the utility model is all made of the setting of anticorrosion material by current-limiting apparatus and restriction orifice, largely
Solve the problems, such as the corrosion-resistant inadequate and orifice plate corrosion-deformation of restriction orifice and instability of flow, so that the service life of restriction orifice
Extended, guarantees the stability of fluid, also extend application field.
2, suitable restriction orifice area can be set as needed by the flapper of setting in the utility model, use
In the flow of limitation fluid or the pressure of reduction fluid, to reach the pressure and flow of needs, adaptability is wider.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.
In the accompanying drawings：
Fig. 1 is the utility model wall body construction schematic diagram；
Fig. 2 is the utility model restriction orifice structural schematic diagram；
Fig. 3 is the utility model restriction orifice sectional view
Figure label：1, current-limiting apparatus；2, restriction orifice；21, upper flow orifice plate；22, lower restriction orifice；23, lead-over groove；
24, orifice plate pressure tappings；25, through-hole；3, flange；4, fixed block；5, it shakes hands；6, flapper.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
In the description of the present invention, it should be noted that the instructions such as term "vertical", "upper", "lower", "horizontal"
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification
Description, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation
Make, therefore should not be understood as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
Embodiment：As shown in Figure 1-3, the utility model provides a kind of restriction orifice for gasification installation, including current limliting
Device 1 and the restriction orifice 2 being mounted in current-limiting apparatus 1, the both ends of current-limiting apparatus 1 are mounted on flange 3, and flange 3 connects
Connecting tube；The axial face of current-limiting apparatus 1 is provided with fixed block 4, and knob 5 is equipped on fixed block 4, and knob 5 is fixedly connected with activity
Baffle 6, and knob 5 is slided up and down in fixed block 4 by sliding slot and drives flapper 6 upper and lower on the plate body of restriction orifice 2
Sliding；
Restriction orifice 2 divides for upper flow orifice plate 21 and lower restriction orifice 22, upper flow orifice plate 21 and lower restriction orifice 22 it
Between be provided with lead-over groove 23, the top and bottom of lead-over groove 23 respectively with upper flow orifice plate 21 and lower restriction orifice 22 are fixed connects
It connects, and junction is mounted on orifice plate pressure tappings 24, is all provided on upper flow orifice plate 21 and lower restriction orifice 22 and lead-over groove 23
It is equipped with several through-holes 25.
Current-limiting apparatus 1 and restriction orifice 2 are all made of anticorrosion material and are made, and largely solve metering hole
It the problem of corrosion-resistant inadequate and orifice plate corrosion-deformation and instability of flow of plate, so that the service life of restriction orifice is extended, protects
The stability for demonstrate,proving fluid, also extends application field.
The structure of restriction orifice 2 is adapted with the structure of current-limiting apparatus 1, the structure and the structure phase of restriction orifice 2 of baffle 6
Adaptation, including but not limited to circular ring shape.
The quantity of knob 5 is consistent with the quantity of baffle 6, is n, n >=2, and the area that n is added is equal to restriction orifice 2
Area, restriction orifice 2 can be covered all as needed, or block a part, for limiting flow or the reduction of fluid
The pressure of fluid, to reach the pressure and flow of needs, adaptability is wider.
25 quantity of through-hole being arranged on upper flow orifice plate 21 and lower restriction orifice 22 and lead-over groove 23 is consistent, and lead-over groove
25 area of through-hole being arranged on 23 is greater than 25 area of through-hole being arranged on upper flow orifice plate 21 and lower restriction orifice 22.
Restriction orifice 2 is an integral molding structure, and the effect that can be greatly simplified production process, reduce cost also overcomes
Intensity weaker drawback in junction in traditional fabrication, and production efficiency can be improved, it is complicated at high cost to solve production
Problem.
Specifically：The flow that the utility model controls fluid has following steps：
Firstly, fluid reaches restriction orifice 2, then 25 through hole of through-hole being arranged from upper flow orifice plate 21 by connecting tube
Plate pressure tappings 24 are drawn into the through-hole 25 being arranged on lead-over groove 23, then the through-hole 25 being arranged from lead-over groove 23 passes through orifice plate pressure
Mouth 24 is drawn into lower restriction orifice 22, is finally flowed through restriction orifice 2 and is spilt out；Then, it circulates when not needing entire restriction orifice 2
When fluid, flapper 6 is pulled using knob 5, enables flapper 6 to block partial throttle orifice plate 2 as needed, reaches
Suitable fluid flow；Finally, because current-limiting apparatus 1 and restriction orifice 2 are all made of anticorrosion material and are made, it can be very
Solve the problems, such as the corrosion-resistant inadequate and orifice plate corrosion-deformation of restriction orifice and instability of flow in big degree, so that metering hole
The service life of plate is extended, and is guaranteed the stability of fluid, is also extended application field.
Finally it should be noted that：The above is only the preferred embodiment of the utility model, it is not limited to practical
It is novel, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art,
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all include
It is within the protection scope of the utility model.
Claims (6)
1. a kind of restriction orifice for gasification installation, which is characterized in that including current-limiting apparatus (1) and be mounted on current-limiting apparatus
(1) restriction orifice (2) in, the both ends of current-limiting apparatus (1) are mounted on flange (3), and flange (3) connects connecting tube；Current limliting dress
The axial face for setting (1) is provided with fixed block (4), is equipped on fixed block (4) knob (5), and knob (5) is fixedly connected with flapper
(6), and knob (5) slides up and down the plate body for driving flapper (6) in restriction orifice (2) by sliding slot in fixed block (4)
On slide up and down；
Restriction orifice (2) is divided into upper flow orifice plate (21) and lower restriction orifice (22), upper flow orifice plate (21) and lower restriction orifice
(22) be provided between lead-over groove (23), the top and bottom of lead-over groove (23) respectively with upper flow orifice plate (21) and lower metering hole
Plate (22) is fixedly connected, and junction is mounted on orifice plate pressure tappings (24), upper flow orifice plate (21) and lower restriction orifice (22)
And several through-holes (25) are provided on lead-over groove (23).
2. a kind of restriction orifice for gasification installation according to claim 1, which is characterized in that current-limiting apparatus (1) with
And restriction orifice (2) is all made of anticorrosion material and is made.
3. a kind of restriction orifice for gasification installation according to claim 1, which is characterized in that restriction orifice (2)
Structure is adapted with the structure of current-limiting apparatus (1), and the structure of baffle (6) is adapted with the structure of restriction orifice (2), include but
It is not limited to circular ring shape.
4. a kind of restriction orifice for gasification installation according to claim 1, which is characterized in that the quantity of knob (5)
It is consistent with the quantity of baffle (6), it is n, n >=2, and the area of n addition is equal to the area of restriction orifice (2).
5. a kind of restriction orifice for gasification installation according to claim 1, which is characterized in that upper flow orifice plate (21)
It is consistent with through-hole (25) quantity being arranged on lower restriction orifice (22) and lead-over groove (23), and be arranged on lead-over groove (23) logical
Hole (25) area is greater than through-hole (25) area being arranged on upper flow orifice plate (21) and lower restriction orifice (22).
6. a kind of restriction orifice for gasification installation according to claim 1, which is characterized in that restriction orifice (2) is
Integrated formed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820381011.2U CN208138684U (en) | 2018-03-20 | 2018-03-20 | A kind of restriction orifice for gasification installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820381011.2U CN208138684U (en) | 2018-03-20 | 2018-03-20 | A kind of restriction orifice for gasification installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208138684U true CN208138684U (en) | 2018-11-23 |
Family
ID=64289780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820381011.2U Expired - Fee Related CN208138684U (en) | 2018-03-20 | 2018-03-20 | A kind of restriction orifice for gasification installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208138684U (en) |
-
2018
- 2018-03-20 CN CN201820381011.2U patent/CN208138684U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190521 Address after: 214400 No. 1 Zhongnan Road, Jiangyin City, Wuxi City, Jiangsu Province Patentee after: Jiangsu Jingnan Nickel Alloy Material Technology Co., Ltd. Address before: 200030 room 900, nine building, 1 Wuxing Road, Xuhui District, Shanghai, 277 Patentee before: Shanghai Hong Huinie alloy materials Polytron Technologies Inc |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181123 Termination date: 20200320 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |