CN203892880U - Small-flow gas pressure regulating and measuring system - Google Patents
Small-flow gas pressure regulating and measuring system Download PDFInfo
- Publication number
- CN203892880U CN203892880U CN201420235207.2U CN201420235207U CN203892880U CN 203892880 U CN203892880 U CN 203892880U CN 201420235207 U CN201420235207 U CN 201420235207U CN 203892880 U CN203892880 U CN 203892880U
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- pressure
- regulating box
- valve
- filter core
- valve body
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- Expired - Lifetime
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- 230000001105 regulatory effect Effects 0.000 title abstract description 13
- 238000009826 distribution Methods 0.000 claims abstract description 6
- 230000008676 import Effects 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 2
- 238000005266 casting Methods 0.000 claims description 2
- 230000010354 integration Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 44
- 230000000694 effects Effects 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 210000000981 epithelium Anatomy 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a small-flow gas pressure regulating and measuring system which is compact in structure and high in functional integration degree and measuring accuracy. The small-flow gas pressure regulating and measuring system comprises a small-flow gas pressure regulating box; the small-flow gas pressure regulating box comprises a pressure regulating box valve which is provided with an actuator and a stop valve, an inlet valve is connected to the position of the inlet of the pressure regulating box valve, an outlet valve is connected to the position of the outlet of the pressure regulating box valve, a Roots gas flowmeter is installed between the pressure regulating box valve and the outlet valve, and a digital display meter is installed at the front end of the Roots gas flowmeter; an IC (integrated circuit) card controller or an IC card controller substitute pipe is installed between the pressure regulating valve and the inlet valve; the inlet valve, the IC card controller/IC card controller substitute pipe, the pressure regulating box valve, the Roots gas flowmeter and the outlet valve are sequentially connected to form a U-shaped gas distribution structure, the inlet valve is arranged at the opposite side of the outlet valve, and the IC card controller/IC card controller substitute pipe is arranged on the opposite side of the Roots gas flowmeter.
Description
Technical field
The utility model relates to a kind of gas pressure regulating metering system, relates in particular to a kind of small-flow gas pressure regulation metering system.Said " small flow " refers to that design discharge is below 40 cubes ms/h.
Background technique
Small-flow gas pressure regulation metering system is mainly used in realizing the pressure regulation, the function of measuring that the buildings such as small-sized hotel, hotel, restaurant, Lou Dong are provided to gas transmission and distribution.At present to be formed by small-flow gas pressure-regulating box and the epithelium table that is series on the externally ported pipeline of small-flow gas pressure-regulating box in the small-flow gas pressure regulation metering system of use.Structural compactness is not high on the one hand for this pressure regulation metering system, is unfavorable for installation and maintenance, and the epithelium table measuring accuracy using is on the other hand not high, is subject to external temperature variable effect very large.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of compact structure, the integrated degree of function is higher, measuring accuracy is high small-flow gas pressure regulation metering system.
This small-flow gas pressure regulation metering system comprises small-flow gas pressure-regulating box, small-flow gas pressure-regulating box comprises pressure-regulating box valve body, on pressure-regulating box valve body, be separately installed with final controlling element and cut-off valve, the inlet of pressure-regulating box valve body is connected with inlet valve, the outlet port of pressure-regulating box valve body is connected with outlet valve, one Roots's gas flowmeter is installed between pressure-regulating box valve body and outlet valve, the import of this Roots's gas flowmeter lays respectively at the top and bottom of this Roots's gas flowmeter housing and is connected with the outlet of pressure-regulating box valve body and the import of outlet valve respectively with outlet, the front end of Roots's gas flowmeter is provided with a digital display meter head, IC-card controller or IC-card controller are installed between pressure-regulating box valve body and inlet valve and substitute pipe, above-mentioned inlet valve, IC-card controller/IC-card controller substitute pipe, pressure-regulating box valve body, Roots's gas flowmeter and outlet valve and connect to form successively a U-shaped gas transmission & distribution structure, inlet valve is arranged on the opposite side of outlet valve, and the alternative pipe of IC-card controller/IC-card controller is arranged on the opposite side of Roots's gas flowmeter.
Above-mentioned small-flow gas pressure regulation metering system advantage mainly comprises: compact structure, fitting operation is easy to maintenance, and U-shaped gas transmission & distribution structure and inlet valve substitute pipe with relative design, IC-card controller/IC-card controller of outlet valve and saved usage space with the relative design of Roots's gas flowmeter; Integrate pressure regulation, metering, pre-charge function, the integrated degree of function is higher; Roots's gas flow of realizing measurement of gas flow function is arranged in pressure-regulating box, is subject to extraneous climate change effect less, and the metering precision of Roots's gas flowmeter itself is high.
To partly provide in the following description the utility model is described further, the utility model is additional aspect and advantage below in conjunction with the drawings and specific embodiments, part will become obviously from the following description, or recognize by practice of the present utility model.
Brief description of the drawings
Fig. 1 is the structural representation of small-flow gas pressure regulation metering system of the present utility model.
Embodiment
As shown in Figure 1, small-flow gas pressure-regulating box comprises pressure-regulating box valve body 9, on pressure-regulating box valve body 9, be separately installed with final controlling element 8 and cut-off valve 11, the inlet of pressure-regulating box valve body 9 is connected with inlet valve 1, the outlet port of pressure-regulating box valve body 9 is connected with outlet valve 14, one Roots's gas flowmeter 12 is installed between pressure-regulating box valve body 9 and outlet valve 14, the import of this Roots's gas flowmeter 12 lays respectively at the top and bottom of these Roots's gas flowmeter 12 housings and is connected with the outlet of pressure-regulating box valve body 9 and the import of outlet valve 14 respectively with outlet, the front end of Roots's gas flowmeter 12 is provided with a digital display meter head 13, IC-card controller or IC-card controller are installed between pressure-regulating box valve body 9 and inlet valve 1 and substitute pipe 2, above-mentioned inlet valve 1, IC-card controller/IC-card controller substitute pipe 2, pressure-regulating box valve body 9, Roots's gas flowmeter 12 and outlet valve 14 and connect to form successively a U-shaped gas transmission & distribution structure, inlet valve 1 is arranged on the opposite side of outlet valve 14, and the alternative pipe 2 of IC-card controller/IC-card controller is arranged on the opposite side of Roots's gas flowmeter 12.In above-mentioned small-flow gas pressure-regulating box, inlet valve 1 (being preferably ball valve) is controlled unlatching and the cutting function of pressure-regulating box inlet gas, and outlet valve 14 (being preferably ball valve) is controlled the opening and closing of pressure-regulating box exit gas; Final controlling element 8 is arranged on pressure-regulating box valve body 9, by the adjusting plug screw on adjusting actuator 8, can set the outlet pressure of pressure-regulating box and diffuse pressure; Cut-off valve 11 is arranged on pressure-regulating box valve body 9 equally, by regulating the adjusting knob on cut-off valve 11, and the cut-out pressure of adjustable pressure-regulating box, in the time that pressure-regulating box breaks down, tripping protection automatically; Roots's gas flowmeter 12 has been realized pressure-regulating box measurement of gas flow function, metering result intuitively shows by digital display meter head 13, because Roots's gas flow 12 is arranged in pressure-regulating box, therefore be subject to extraneous climate change effect less, and the measuring accuracy of Roots's gas flow 12 itself is higher, therefore this pressure-regulating box can accurate measurement gas flow; The prepaid that IC-card controller can be realized combustion gas is used, and in the time not needing to configure IC-card controller, substitutes pipe 2 with IC-card controller and substitutes IC-card controller.
In addition, on pressure-regulating box valve body 9,90 ° of bending places between these pressure-regulating box valve body 9 imports and IC-card controller or the alternative pipe 2 of IC-card controller are also provided with a filtrating equipment; This filtrating equipment comprises the filter core installation transverse tube 6 being integrated with pressure-regulating box valve body 9, one end that this filter core is installed transverse tube 6 leads to cut-off valve 11, the other end is provided with openable filter core pressing plate 3, the lower side opening that filter core is installed transverse tube 6 leads to 9 imports of pressure-regulating box valve body, and filter core is installed in transverse tube 6 and is provided with and can the filter core 5 taking out through opening one end of filter core pressing plate 3 transverse tube 6 be installed from this filter core.Above-mentioned filtrating equipment can, to inlet gas entering automatic fitration before pressure regulation and metering, prevent that the impurity in gas from damaging regulator and measuring apparatus; The structural design of this filtrating equipment is also extremely convenient to filter core 5 safeguard and change.In addition, on filter core installation transverse tube 6, be also provided with the pressure meter 7 that the cavity air pressure between transverse tube 6 inwalls and filter core 5 is installed for measuring filter core, like this, when the numerical value showing when pressure meter 7 shows that pressure is higher, illustrating that the impurity adhering on filter core 5 is more has formed obstruction, reminds operator in time filter core 5 to be cleaned or changed.Above-mentioned filtrating equipment also further arranges inside contact and compresses the elastic top casting die 4 of filter core 5 in the inner side of filter core pressing plate 3, avoid filter core 5 that the poorly sealed filtering effect that affects is installed.
Claims (5)
1. small-flow gas pressure regulation metering system, comprise small-flow gas pressure-regulating box, described small-flow gas pressure-regulating box comprises pressure-regulating box valve body (9), on pressure-regulating box valve body (9), be separately installed with final controlling element (8) and cut-off valve (11), the inlet of pressure-regulating box valve body (9) is connected with inlet valve (1), the outlet port of pressure-regulating box valve body (9) is connected with outlet valve (14), it is characterized in that: Roots's gas flowmeter (12) is installed between described pressure-regulating box valve body (9) and outlet valve (14), the import of this Roots's gas flowmeter (12) lays respectively at the top and bottom of this Roots's gas flowmeter (12) housing and is connected with the outlet of pressure-regulating box valve body (9) and the import of outlet valve (14) respectively with outlet, the front end of Roots's gas flowmeter (12) is provided with a digital display meter head (13), IC-card controller or IC-card controller are installed between pressure-regulating box valve body (9) and inlet valve (1) and substitute pipe (2), above-mentioned inlet valve (1), IC-card controller/IC-card controller substitute pipe (2), pressure-regulating box valve body (9), Roots's gas flowmeter (12) and outlet valve (14) and connect to form successively a U-shaped gas transmission & distribution structure, inlet valve (1) is arranged on the opposite side of outlet valve (14), and the alternative pipe of IC-card controller/IC-card controller (2) is arranged on the opposite side of Roots's gas flowmeter (12).
2. small-flow gas pressure regulation metering system as claimed in claim 1, is characterized in that: 90 ° of bending places that are positioned on described pressure-regulating box valve body (9) between the alternative pipe of this pressure-regulating box valve body (9) import and IC-card controller or IC-card controller (2) are provided with filtrating equipment; This filtrating equipment comprises the filter core installation transverse tube (6) being integrated with pressure-regulating box valve body (9), one end that this filter core is installed transverse tube (6) leads to cut-off valve (11), the other end is provided with openable filter core pressing plate (3), the lower side opening that filter core is installed transverse tube (6) leads to pressure-regulating box valve body (9) import, and filter core is installed in transverse tube (6) and is provided with and can the filter core (5) taking out through opening one end of filter core pressing plate (3) transverse tube (6) be installed from this filter core.
3. small-flow gas pressure regulation metering system as claimed in claim 2, is characterized in that: filtrating equipment comprises that being arranged on filter core installs the upper pressure meter (7) that cavity air pressure between transverse tube (6) inwall and filter core (5) is installed for measuring filter core of transverse tube (6).
4. small-flow gas pressure regulation metering system as claimed in claim 2 or claim 3, is characterized in that: the inner side of filter core pressing plate (3) is provided with the elastic top casting die (4) for inwardly contacting and compress filter core (5).
5. the small-flow gas pressure regulation metering system as described in any one claim in claim 1-3, is characterized in that: described inlet valve (1) and outlet valve (14) all adopt ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420235207.2U CN203892880U (en) | 2014-05-09 | 2014-05-09 | Small-flow gas pressure regulating and measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420235207.2U CN203892880U (en) | 2014-05-09 | 2014-05-09 | Small-flow gas pressure regulating and measuring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203892880U true CN203892880U (en) | 2014-10-22 |
Family
ID=51719283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420235207.2U Expired - Lifetime CN203892880U (en) | 2014-05-09 | 2014-05-09 | Small-flow gas pressure regulating and measuring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203892880U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106322117A (en) * | 2016-11-18 | 2017-01-11 | 乐山倍创机械制造有限公司 | Wall-mounted regulator box with functions pressure regulating, filtering, safe cutting and safe release |
| CN108980624A (en) * | 2018-08-10 | 2018-12-11 | 王巨锋 | A kind of fuel gas pressure-regulating box cut-out pressure measuring device |
-
2014
- 2014-05-09 CN CN201420235207.2U patent/CN203892880U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106322117A (en) * | 2016-11-18 | 2017-01-11 | 乐山倍创机械制造有限公司 | Wall-mounted regulator box with functions pressure regulating, filtering, safe cutting and safe release |
| CN108980624A (en) * | 2018-08-10 | 2018-12-11 | 王巨锋 | A kind of fuel gas pressure-regulating box cut-out pressure measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141022 |