CN2177852Y - Pressure regulator for pipeline fuel gas user - Google Patents
Pressure regulator for pipeline fuel gas user Download PDFInfo
- Publication number
- CN2177852Y CN2177852Y CN 93241392 CN93241392U CN2177852Y CN 2177852 Y CN2177852 Y CN 2177852Y CN 93241392 CN93241392 CN 93241392 CN 93241392 U CN93241392 U CN 93241392U CN 2177852 Y CN2177852 Y CN 2177852Y
- Authority
- CN
- China
- Prior art keywords
- pressure regulator
- pressure
- fuel gas
- pipeline
- nozzle
- 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.)
- Expired - Fee Related
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- Control Of Fluid Pressure (AREA)
Abstract
The utility model relates to a pressure regulator for pipeline fuel gas users, which is used for replacing the centralized pressure regulation mode used at present. In the pressure regulator, according to the characteristics of the fuel gas in a high pressure pipeline and a low pressure pipeline, the injection angle of a nozzle is changed from an angle of zero DEG into a small angle of 4-8 DEG. Airflow deflectively flows into an air cavity through an air drain at the lateral part of a movable plunger; the air inlet end of the pressure regulator is also provided with a trip valve. After the utility model is operated for test for more than one year, each main index of the utility model completely reaches a desired result. The pressure regulator for pipeline fuel gas users is used for replacing the traditional mode of centralized pressure regulation.
Description
The utility model relates to a kind of pipeline gas mesolow service regulator, be a kind of be the fluid pressure control device of sensor with diaphragm.
The pressure of pipeline gas is regulated China and is extensively adopted the regional centralized pressure regulation to use by pipe network low pressure house lead at present, and this method has caused the gas works investment big, and metal pipe consumes many, and peak valley is poor with the gas firing operating mode, the two-tube shortcoming such as difficulty of laying simultaneously.Press (B level) combustion gas house lead in design code in having occurred at present, compress into the family in this code requirement combustion gas, pressure regulation before the table.Market still lacks special-purpose mesolow pressure governor.The liquifier pressure governor is because of the medium difference, and structure and parameter all can not adapt to New Terms.
The purpose of this utility model is to disclose a kind of combustion gas mesolow service regulator, to fill up the blank in this field.
Task of the present utility model is achieved in that a kind of diaphragm or gas regulator, its controlling mechanism comprises nozzle, mobile plunger and lever part, lever part is connected with the diaphragm drive screw, the angle of attack that it is characterized in that described nozzle is the 4-8 degree, the angle that is nozzle centerline and mobile plunger center line is the 4-8 degree, plunger be provided with air-flow path along nozzle centerline one side, this passage is communicated with air cavity.
For adapting to the burning-point user's set to safe requirement, the entrance point of pressure governor also can add cut-off valve.
This pressure governor in the zone that heating power Gas Company in Shijiazhuang is had jurisdiction over, try out 1 year surplus, and made 10 days, 15 days, 20 days continuous burnings respectively and tested, by spot sampling check and reinspection, confirm that each leading indicator reaches the anticipation requirement fully, the user reflects well, estimates quite highly, uses this service regulator, replace traditional concentrated voltage regulating station or building, building pressure governor, have the obvious social economic benefit.
Below in conjunction with drawings and Examples, the utility model is specified.
Fig. 1 is the pressure governor structural representation,
Fig. 2 is Fig. 1 partial enlarged drawing.
Fig. 3 is the cut-off valve structural representation.
Fig. 1 and Fig. 2 parts detail list are as follows:
1, entrance point connects the hexagonal lid
2, inlet connecting branch
3, rubber gasket
4, nozzle
5, mobile plunger
6, straight pin
7, straight pin
8, lever
9, straight pin
10, screw rod
11, rubber pad
12, diaphragm dish
13, lower shell body
14, rubber gasket
15, outlet connecting pipe
16, outlet end hexagonal lid
17, filter screen
18, cut-off valve
19, elastomer diaphragm
20, upper shell
21, fastening hexagon
22, packing ring
23, spring
24, pressure regulation cock
25, top cover
26, air flue.
Be used for, the regulator of low pressure pipeline combustion gas, its step-down pressure reduction is less, and the gas consumption excursion is bigger, though conventional design selects principle for calculation of parameter such as outlet chamber, diaphragm, nozzle inside diameter and Regulation spring, can not meet the demands.Conventional pressure governor nozzle and mobile plunger (or plate washer) central lines, be that angle of attack is zero, vertically spray to the plunger end face from the nozzle effluent stream, this structural design can obtain voltage regulation result preferably under the condition that allows big voltage drop value, LPG regulator for example, in, product performance are then very poor under the low pressure condition.Make the angle of attack of nozzle 4 into a 4-8 degree small angle by zero degree, air-flow spray to the plunger end face non-perpendicularly and from the upper airway flow of plunger 5 upsides to air cavity, can significantly improve the voltage regulator operation performance.The concrete numerical value of angle of attack needs to cooperate other parameters of pressure governor to determine according to local combustion gas condition, and preferred through testing.
Cut-off valve 18 is a kind of safety installationss among Fig. 3, has begun at present to use on the liquid gas modulating valve.The inner chamber 27 of giving vent to anger of this valve is for conical, and the valve element is a steel ball 28.Just often steel ball 28 is in the top of spring 29 bottoms, circular cone inner chamber 27 ports, when velocity of medium increases suddenly, for example break in certain pipeline position, cut-off valve below, and steel ball bottom pressure is reduced to when being lower than some threshold values, steel ball 28 falls to inner chamber 27 ports of giving vent to anger, and the air flue of will ventilating blocks.When need to recover using, hand press lower spring 29, and steel ball 28 is blocked in the lower end of spring 29, and steel ball 28 is mentioned and reset, thus the connection gas circuit.
Claims (2)
1, a kind of pipeline gas service regulator, be provided with the diaphragm type sensor, controlling mechanism comprises nozzle, mobile plunger and lever part, lever part is connected with the diaphragm drive screw, the angle of attack that it is characterized in that described nozzle is the 4-8 degree, mobile plunger be provided with air-flow path along nozzle centerline one side, this passage is communicated with the pressure governor air cavity.
2, by the described pipeline gas service regulator of claim 1, it is characterized in that the inlet end of described pressure governor also is provided with a cut-off valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93241392 CN2177852Y (en) | 1993-10-09 | 1993-10-09 | Pressure regulator for pipeline fuel gas user |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93241392 CN2177852Y (en) | 1993-10-09 | 1993-10-09 | Pressure regulator for pipeline fuel gas user |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2177852Y true CN2177852Y (en) | 1994-09-21 |
Family
ID=33815368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93241392 Expired - Fee Related CN2177852Y (en) | 1993-10-09 | 1993-10-09 | Pressure regulator for pipeline fuel gas user |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2177852Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109667941A (en) * | 2018-12-11 | 2019-04-23 | 合肥市久环给排水燃气设备有限公司 | A kind of gas pressure regulator, governor with warning function |
| CN112728120A (en) * | 2020-12-29 | 2021-04-30 | 河北鑫星调压器有限公司 | Safe explosion-proof type gas pressure regulator |
-
1993
- 1993-10-09 CN CN 93241392 patent/CN2177852Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109667941A (en) * | 2018-12-11 | 2019-04-23 | 合肥市久环给排水燃气设备有限公司 | A kind of gas pressure regulator, governor with warning function |
| CN112728120A (en) * | 2020-12-29 | 2021-04-30 | 河北鑫星调压器有限公司 | Safe explosion-proof type gas pressure regulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |