CN111215851A - Production process of orifice plate differential pressure device part - Google Patents
Production process of orifice plate differential pressure device part Download PDFInfo
- Publication number
- CN111215851A CN111215851A CN202010056422.6A CN202010056422A CN111215851A CN 111215851 A CN111215851 A CN 111215851A CN 202010056422 A CN202010056422 A CN 202010056422A CN 111215851 A CN111215851 A CN 111215851A
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- China
- Prior art keywords
- differential pressure
- outer cylinder
- circular plate
- production process
- mounting groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000005259 measurement Methods 0.000 claims abstract description 8
- 238000003466 welding Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000011148 porous material Substances 0.000 abstract 2
- 238000009434 installation Methods 0.000 description 3
- 238000010079 rubber tapping Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
- G01F1/36—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a production process of a pore plate differential pressure device part, belonging to the technical field of pore plate flowmeters, which comprises the following steps: s1: laying a pipeline: a mounting groove is arranged in the outer cylinder, and S2: chamfering a circular plate: a circle of edge chamfer of the semi-finished circular plate, S3: fixing a circular plate: at the position that outer cylinder and mounting groove laminated mutually, can with the place of plectane contact to the mounting groove has annular position fixing dog as the even integrated into one piece of centre of a circle, S4: equipment connection: the pressure measuring device has the advantages that the pressure measuring circular pipes are arranged on the outer cylinder, so that pipelines on two sides are relatively close to each other during water flowing, the measurement of the side surface between the water flow on two sides and the circular plates is realized, and then the circular plates are welded and fixed again after being clamped and limited, so that the problem of deformation of the circular plates is avoided, and the production precision and the measurement effect are effectively improved.
Description
Technical Field
The invention relates to the technical field of orifice plate flowmeters, in particular to a production process of an orifice plate differential pressure device part.
Background
The orifice plate flowmeter is also called as differential pressure flowmeter, is composed of a primary detection part (throttling part) and a secondary device (differential pressure transmitter and flow indicator), and is widely applied to the flow measurement of gas, steam and liquid. The device has the characteristics of simple structure, convenient maintenance, stable performance, reliable use and the like. In the production process, the prior art is to completely process holes on a circular plate according to different required quantities, and then weld the formed circular plate and an outer cylinder together, so as to complete the integral assembly and use.
Disclosure of Invention
The invention aims to provide a production process of an orifice plate differential pressure device part, which aims to solve the problem of how to improve the existing production process in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the production process of the orifice plate differential pressure device part comprises the following steps:
s1: laying a pipeline: the outer cylinder is provided with a mounting groove, the left side and the right side of the outer cylinder are symmetrically mounted, and a pressure taking round pipe is mounted in the outer cylinder;
s2: chamfering a circular plate: chamfering the edge of the semi-finished circular plate for one circle to leave enough space for the welding part;
s3: fixing a circular plate: an annular position fixing stop block is uniformly and integrally formed at the position where the outer cylinder is attached to the mounting groove and can be in contact with the circular plate by taking the mounting groove as a circle center for positioning, then the circular plate on the side with larger area is placed into the mounting groove along the position fixing stop block according to the position fixing stop block, and then welding and polishing are carried out;
s4: equipment connection: and the differential pressure transmitter is arranged on the pressure measuring circular pipe, so that the liquid pressure difference measurement on the left side and the right side is realized, and the flow calculation is completed.
Preferably, the edge chamfering in step S2 is a trapezoidal structure chamfering process.
Preferably, in the step S3, an arc-shaped positioning block matched with the short side of the semi-finished circular plate is further welded on the outer cylinder.
Preferably, the width of the mounting groove in the step S1 is 60mm, and the width of the semi-finished circular plate in the step S2 is not more than 60 mm.
Preferably, a sleeve is welded on the pressure tapping round pipe in the step S4, and the pressure tapping round pipe is connected with the differential pressure transmitter through the sleeve.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the pressure-taking circular pipe is arranged on the outer cylinder, the pipelines at two sides are relatively close to each other when water flows, the measurement of the side surface is realized between the water flow at two sides and the circular plate, and then the circular plate is clamped and limited and then welded and fixed again, so that the problem of deformation of the circular plate is avoided, and the production precision and the measurement effect are effectively improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the welded structure of the present invention.
In the figure: 1 outer cylinder, 2 cover plates, 3 differential pressure transmitter, 4 position fixing stop blocks, 5 round plates and 6 welding parts.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-2, the present invention provides a technical solution: a production process of an orifice plate differential pressure device part is characterized by comprising the following steps: the production process of the orifice plate differential pressure device part comprises the following steps:
s1: laying a pipeline: the outer cylinder 1 is provided with a mounting groove, the width of the mounting groove is 60mm, the width of the semi-finished circular plate is not more than 60mm, the semi-finished circular plate is fixedly clamped, the deformation prevention protection effect is facilitated, the left side and the right side of the outer cylinder 1 are symmetrically mounted, and a pressure taking circular pipe is mounted in the outer cylinder 1 and can be used for measuring the pressure difference between the two sides of the circular plate 5 so as to calculate the flow;
s2: chamfering a circular plate: the edge of the semi-finished circular plate is chamfered for one circle, and the edge chamfer is processed by a trapezoidal structure chamfer, so that the semi-finished circular plate can be conveniently plugged and integrally attached, the sealing effect is realized, and enough space is left for a welding part;
s3: fixing a circular plate: at the position where the outer cylinder 1 is attached to the installation groove and can be contacted with the circular plate 5, an annular position fixing stop block is uniformly and integrally formed by taking the installation groove as the circle center, an arc-shaped positioning stop block matched with the short edge of the circular plate of the semi-finished product is further welded on the outer cylinder 1 and is used for positioning, then the circular plate 5 on the side with larger area is placed into the installation groove along the position fixing stop block 4 according to the position fixing stop block 4, then welding and polishing are carried out, integral welding is completed by forming a welding part 6, the sealing effect is realized, the circular plate 5 longitudinally installed is ensured not to deform, and the production yield is improved;
s4: equipment connection: install differential pressure transmitter 3 on getting and press the pipe, the welding has the sleeve pipe on getting and pressing the pipe, get and press the pipe to pass through the sleeve pipe and be connected with differential pressure transmitter 3, realize the measurement of the liquid pressure difference on left and right sides, through the difference of 5 both sides pressures of plectane and the discharge of fixed time to detect out the discharge of certain time, accomplish the flow calculation.
While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A production process of an orifice plate differential pressure device part is characterized by comprising the following steps: the production process of the orifice plate differential pressure device part comprises the following steps:
s1: laying a pipeline: the outer cylinder is provided with a mounting groove, the left side and the right side of the outer cylinder are symmetrically mounted, and a pressure taking round pipe is mounted in the outer cylinder;
s2: chamfering a circular plate: chamfering the edge of the semi-finished circular plate for one circle to leave enough space for the welding part;
s3: fixing a circular plate: an annular position fixing stop block is uniformly and integrally formed at the position where the outer cylinder is attached to the mounting groove and can be in contact with the circular plate by taking the mounting groove as a circle center for positioning, then the circular plate on the side with larger area is placed into the mounting groove along the position fixing stop block according to the position fixing stop block, and then welding and polishing are carried out;
s4: equipment connection: and the differential pressure transmitter is arranged on the pressure measuring circular pipe, so that the liquid pressure difference measurement on the left side and the right side is realized, and the flow calculation is completed.
2. The orifice plate differential pressure apparatus member production process of claim 1, wherein: the edge chamfering in the step S2 is a trapezoidal structure chamfering process.
3. The orifice plate differential pressure apparatus member production process of claim 1, wherein: and in the step S3, an arc-shaped positioning stop block matched with the short edge of the semi-finished circular plate is welded on the outer cylinder.
4. The orifice plate differential pressure apparatus member production process of claim 1, wherein: the width of the mounting groove in the step S1 is 60mm, and the width of the semi-finished circular plate in the step S2 is not more than 60 mm.
5. The orifice plate differential pressure apparatus member production process of claim 1, wherein: and in the step S4, a sleeve is welded on the pressure taking circular pipe, and the pressure taking circular pipe is connected with the differential pressure transmitter through the sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010056422.6A CN111215851A (en) | 2020-01-18 | 2020-01-18 | Production process of orifice plate differential pressure device part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010056422.6A CN111215851A (en) | 2020-01-18 | 2020-01-18 | Production process of orifice plate differential pressure device part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111215851A true CN111215851A (en) | 2020-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010056422.6A Pending CN111215851A (en) | 2020-01-18 | 2020-01-18 | Production process of orifice plate differential pressure device part |
Country Status (1)
| Country | Link |
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| CN (1) | CN111215851A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6164142A (en) * | 1997-10-31 | 2000-12-26 | Dimeff; John | Air flow measurement device |
| JP2001050783A (en) * | 1999-08-05 | 2001-02-23 | Mitsubishi Heavy Ind Ltd | Device and method for verifying orifice plate |
| CN101539444A (en) * | 2009-03-31 | 2009-09-23 | 锦州北方航海仪器有限公司 | Differential pressure type flow sensor capable of realizing direct pressure tapping and two-way measurement |
| CN103033221A (en) * | 2012-12-21 | 2013-04-10 | 上海华强浮罗仪表有限公司 | Square tube balance flow meter |
| CN203502059U (en) * | 2013-08-31 | 2014-03-26 | 江阴市宏达仪表有限公司 | Span pressure tapping nuclear grade pore plate device |
| CN203772325U (en) * | 2014-03-25 | 2014-08-13 | 西尼尔(南京)过程控制有限公司 | Integral pore plate flowmeter |
| CN204313894U (en) * | 2014-12-23 | 2015-05-06 | 鞍钢股份有限公司 | Pipeline pore plate structure for measuring steam flow |
| CN205066827U (en) * | 2015-08-05 | 2016-03-02 | 杭州华达诺自动化设备有限公司 | Throttling arrangement with socket joint formula hole |
| CN208155373U (en) * | 2018-05-31 | 2018-11-27 | 天津浩天自动化仪表制造有限公司 | Throttling set based on function orifice plate |
| CN208254559U (en) * | 2018-06-27 | 2018-12-18 | 天津浩天自动化仪表制造有限公司 | A kind of anti-corrosion type integration orifice plate |
| CN209342163U (en) * | 2019-01-24 | 2019-09-03 | 上海夙湃流体控制技术有限公司 | Long flowmeter for pipe |
| CN209372152U (en) * | 2019-01-25 | 2019-09-10 | 蒋秋艳 | A kind of nozzle-type differential pressure flowmeter |
-
2020
- 2020-01-18 CN CN202010056422.6A patent/CN111215851A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6164142A (en) * | 1997-10-31 | 2000-12-26 | Dimeff; John | Air flow measurement device |
| JP2001050783A (en) * | 1999-08-05 | 2001-02-23 | Mitsubishi Heavy Ind Ltd | Device and method for verifying orifice plate |
| CN101539444A (en) * | 2009-03-31 | 2009-09-23 | 锦州北方航海仪器有限公司 | Differential pressure type flow sensor capable of realizing direct pressure tapping and two-way measurement |
| CN103033221A (en) * | 2012-12-21 | 2013-04-10 | 上海华强浮罗仪表有限公司 | Square tube balance flow meter |
| CN203502059U (en) * | 2013-08-31 | 2014-03-26 | 江阴市宏达仪表有限公司 | Span pressure tapping nuclear grade pore plate device |
| CN203772325U (en) * | 2014-03-25 | 2014-08-13 | 西尼尔(南京)过程控制有限公司 | Integral pore plate flowmeter |
| CN204313894U (en) * | 2014-12-23 | 2015-05-06 | 鞍钢股份有限公司 | Pipeline pore plate structure for measuring steam flow |
| CN205066827U (en) * | 2015-08-05 | 2016-03-02 | 杭州华达诺自动化设备有限公司 | Throttling arrangement with socket joint formula hole |
| CN208155373U (en) * | 2018-05-31 | 2018-11-27 | 天津浩天自动化仪表制造有限公司 | Throttling set based on function orifice plate |
| CN208254559U (en) * | 2018-06-27 | 2018-12-18 | 天津浩天自动化仪表制造有限公司 | A kind of anti-corrosion type integration orifice plate |
| CN209342163U (en) * | 2019-01-24 | 2019-09-03 | 上海夙湃流体控制技术有限公司 | Long flowmeter for pipe |
| CN209372152U (en) * | 2019-01-25 | 2019-09-10 | 蒋秋艳 | A kind of nozzle-type differential pressure flowmeter |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20200602 |