CN203082424U - Recombination action regulating valve reducing through-flow caliber - Google Patents
Recombination action regulating valve reducing through-flow caliber Download PDFInfo
- Publication number
- CN203082424U CN203082424U CN 201220709859 CN201220709859U CN203082424U CN 203082424 U CN203082424 U CN 203082424U CN 201220709859 CN201220709859 CN 201220709859 CN 201220709859 U CN201220709859 U CN 201220709859U CN 203082424 U CN203082424 U CN 203082424U
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- valve
- regulating valve
- flow
- main
- bypass
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Abstract
The utility model discloses a recombination action regulating a valve reducing through-flow caliber. The recombination action regulating valve reducing the through-flow caliber comprises a main regulating valve and transitional sections located at two ends of the main regulating valve. Each transitional section is provided with a pipe connecting seat. The pipe connecting seats are connected through a bypass pipe. A power control stop valve and a restriction orifice are arranged on the bypass pipe. According to the technical scheme, the transitional sections are added at the two ends of the main regulating valve, a hole is formed in each transitional section, the power control stop valve and the restriction orifice are connected through the pipe connecting seats and the bypass pipe, and the recombination action regulating valve is formed by a bypass valve, the restriction orifice and the main regulating valve. Therefore, when the main regulating valve is opened to the maximum degree, the power control stop valve is opened so that constant flow at a certain rate can pass through a bypass and the function that the regulating range of the main regulating valve is enlarged is improved. Therefore, according to the recombination action regulating valve reducing the through-flow caliber, total flow of a pipeline is distributed reasonably and a part of regulating function of the main regulating valve is converted by a stop valve branch so that manufacturing cost is reduced.
Description
Technical field
The utility model patent relates to the compound regulatory function and the structure of modulating valve, can be widely used on all kinds of pipelines that need to regulate in fields such as electric power, petrochemical industry, weaving, aviation.
Background technique
On the pipelines such as all kinds of engineering vapour of modulating valve extensive use, water, gas, regulate flow or pressure,, most important to the safety and economic operation of equipment, pipe-line system.
At present in practical engineering application, according to the effect characteristics of modulating valve, for the flow control valve of low differential pressure, the regulation range of choose reasonable modulating valve and through-flow bore are bigger for the cost influence of modulating valve itself.
Summary of the invention
The utility model purpose provides a kind of compound action modulating valve that can reduce the through-flow bore of modulating valve, under the constant situation of flow adjustment range, reduces the cost of modulating valve.
For achieving the above object, the utility model is by the following technical solutions:
A kind of compound action modulating valve that reduces through-flow bore, the changeover portion that it comprises main inlet control valve and is positioned at the main inlet control valve two ends, on every end changeover portion stub (tube) is installed, is connected by by-pass pipe between the stub (tube), dynamic Control stop valve and restricting orifice are installed on by-pass pipe.
Described changeover portion is a straight tube, and the stub (tube) straight cutting is welded on the changeover portion.
Adopt the utility model of technique scheme, increase changeover portion at the main inlet control valve two ends, perforate on the changeover portion couples together dynamic Control stop valve and restricting orifice by stub (tube), by-pass pipe, makes by-pass valve and restricting orifice and main road modulating valve form a kind of modulating valve of compound action.Like this, when the main inlet control valve aperture reached maximum, the control stop valve that turns on the power can make bypass by a certain proportion of constant flow rate, thereby had increased the regulation range function of main road modulating valve.Like this, the utility model is by carrying out reasonable distribution to the pipeline total discharge, because of the stop valve branch road has shifted the regulatory function of part main road modulating valve, causes cost to reduce.
Description of drawings
Fig. 1 is an overall structure schematic representation of the present utility model.
Embodiment
As shown in Figure 1, the changeover portion 1 that the utility model comprises main inlet control valve 6 and is positioned at main inlet control valve 6 two ends, stub (tube) 2 is installed on every end changeover portion 1, is connected by by-pass pipe 3 between the stub (tube) 2, dynamic Control stop valve 4 and restricting orifice 5 are installed on by-pass pipe 3.
Need to prove that changeover portion 1 and stub (tube) 2 can adopt straight tube to replace, stub (tube) 2 straight cuttings are welded on the changeover portion 1.
Working principle of the present utility model is: dynamic Control stop valve and restricting orifice are installed on the bypass duct of main road modulating valve, according to the piping flow regulation range, choose the design through-current capability of 20% ~ 40% pipeline peak flow values as the bypass stop valve, choose 60% ~ 80% pipeline peak flow values design through-current capability as the main road modulating valve, flow by main road is reduced, thereby reduce main road modulating valve bore, the flow that reduces passes through from bypass as firm discharge, because valve opening order difference, the firm discharge of bypass flow is joined as a reference value in the regulation range of pipeline and go, thereby realize that the total regulation range of pipeline does not reduce.Consistent for the pressure behind the maintenance bypass stop valve with the main road modulating valve, adopt the design pressure difference of the rated differential head of main road modulating valve as restricting orifice.
Working procedure of the present utility model: at piping flow hour, open main inlet control valve 6 and regulate, when flow increased to the regulation range that exceeds main inlet control valve 6, control stop valve 4 turned on the power, make bypass pass through a certain proportion of flow, main inlet control valve 6 can be proceeded effective adjusting again.When piping flow when reducing greatly, reduce to the through-current capability of dynamic Control stop valve 4 when following, close dynamic Control stop valve 4, main inlet control valve 6 still can be proceeded effective adjusting.
Claims (2)
1. compound action modulating valve that reduces through-flow bore, it is characterized in that: the changeover portion (1) that it comprises main inlet control valve (6) and is positioned at main inlet control valve (6) two ends, every end changeover portion (1) is gone up stub (tube) (2) is installed, be connected by by-pass pipe (3) between the stub (tube) (2), dynamic Control stop valve (4) and restricting orifice (5) are installed on by-pass pipe (3).
2. the compound action modulating valve that reduces through-flow bore according to claim 1 is characterized in that: described changeover portion (1) is a straight tube, and stub (tube) (2) straight cutting is welded on the changeover portion (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220709859 CN203082424U (en) | 2012-12-20 | 2012-12-20 | Recombination action regulating valve reducing through-flow caliber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220709859 CN203082424U (en) | 2012-12-20 | 2012-12-20 | Recombination action regulating valve reducing through-flow caliber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203082424U true CN203082424U (en) | 2013-07-24 |
Family
ID=48828262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220709859 Expired - Fee Related CN203082424U (en) | 2012-12-20 | 2012-12-20 | Recombination action regulating valve reducing through-flow caliber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203082424U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090395A (en) * | 2016-08-18 | 2016-11-09 | 中国航空工业集团公司西安飞机设计研究所 | Fuel charger pressure flow control device is used in a kind of test |
| CN106184814A (en) * | 2016-08-18 | 2016-12-07 | 中国航空工业集团公司西安飞机设计研究所 | Calculation of pressure method and device at a kind of back pressure regulating valve inlet |
| CN109682433A (en) * | 2019-01-03 | 2019-04-26 | 山东威高集团医用高分子制品股份有限公司 | A kind of oxygen flow monitoring device |
| CN113295486A (en) * | 2021-04-25 | 2021-08-24 | 华电电力科学研究院有限公司 | Preparation method of standard solution for online detection of pH meter |
-
2012
- 2012-12-20 CN CN 201220709859 patent/CN203082424U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090395A (en) * | 2016-08-18 | 2016-11-09 | 中国航空工业集团公司西安飞机设计研究所 | Fuel charger pressure flow control device is used in a kind of test |
| CN106184814A (en) * | 2016-08-18 | 2016-12-07 | 中国航空工业集团公司西安飞机设计研究所 | Calculation of pressure method and device at a kind of back pressure regulating valve inlet |
| CN106090395B (en) * | 2016-08-18 | 2019-01-18 | 中国航空工业集团公司西安飞机设计研究所 | A kind of test fuel charger pressure flow control device |
| CN109682433A (en) * | 2019-01-03 | 2019-04-26 | 山东威高集团医用高分子制品股份有限公司 | A kind of oxygen flow monitoring device |
| CN113295486A (en) * | 2021-04-25 | 2021-08-24 | 华电电力科学研究院有限公司 | Preparation method of standard solution for online detection of pH meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130724 Termination date: 20161220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |