CN203011442U - Differential pressure type flowmeter and pressure measuring device capable of intelligently measuring steam flow - Google Patents
Differential pressure type flowmeter and pressure measuring device capable of intelligently measuring steam flow Download PDFInfo
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- CN203011442U CN203011442U CN 201220685281 CN201220685281U CN203011442U CN 203011442 U CN203011442 U CN 203011442U CN 201220685281 CN201220685281 CN 201220685281 CN 201220685281 U CN201220685281 U CN 201220685281U CN 203011442 U CN203011442 U CN 203011442U
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- pressure chamber
- differential pressure
- pressure
- conduit
- pipe
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Abstract
The utility model discloses a differential pressure type flowmeter and a pressure measuring device which are capable of intelligently measuring steam flow. The differential pressure flowmeter and the pressure measuring device comprise a throttling element, pressure guiding pipes, a differential pressure transmitter or an intelligent flow integrating instrument. The differential pressure transmitter or the intelligent flow integrating instrument is connected with a positive pressure chamber and a negative pressure chamber of the throttling element through the pressure guiding pipes, wherein the pressure guiding pipe which is connected with the positive pressure chamber is a positive pressure chamber guide pipe, and the pressure guiding pipe which is connected with the negative pressure chamber is a negative pressure chamber guide pipe. More than one group of spiral pipes is arranged on the positive pressure chamber guide pipe and the negative pressure chamber guide pipe. The diameter of each spiral pipe is 1mm-40mm. The included angle between the spiral pipe and horizontal plane is 0-45 degrees. The positive pressure chamber guide pipe and the negative pressure chamber guide pipe are respectively provided with a switch valve or three-valve manifold which is connected with the positive pressure chamber guide pipe and the negative pressure chamber guide pipe at the same time. Pressure sensors are further arranged on the spiral pipes on the positive pressure chamber guide pipe, and the differential pressure transmitter or pipelines which are connected with the flow integrating instrument. The differential pressure type flowmeter and the pressure measuring device which are capable of intelligently measuring steam flow do not need an anti-freezing solution filling pressure guiding pipe and is compact in structure and small in size.
Description
Technical field
The utility model relates to a kind of flow measurement and pressure tester, relates in particular to a kind of differential pressure flowmeter and pressure tester of intelligent measure steam flow.
Background technology
Existing differential pressure flowmeter comprises differential pressure flow sensor, valve, pilot pipeline, three valve groups, differential pressure transmitter etc.In process on probation, when the residing environment temperature of flowmeter during lower than the measuring media freezing point temperature, the liquid in connecting pipe valve member and differential pressure transmitter positive/negative-pressure chamber will solidify, expand, cause the flowmeter operation not normal, connecting pipe valve member and differential pressure transmitter damage.For preventing that liquid from freezing, must or use the diaphragm type double flanges differential pressure transmitter instead to the enforcements such as connecting pipe and valve member, differential pressure transmitter companion heat, they have increased engineering cost, maintenance cost, energy loss and corresponding expense, use diaphragm type double flanges differential pressure transmitter acquisition expenses instead and are multiplied especially.
Summary of the invention
The purpose of this utility model is to provide a kind of anti freezing solution that need not to fill connecting pipe, compact conformation, differential pressure flowmeter and the pressure tester of the intelligent measure steam flow that volume is little.
for achieving the above object, the utility model adopts following design proposal, it comprises throttling element, connecting pipe, it also comprises differential pressure transmitter or intelligent flow-integrating instrument, described differential pressure transmitter or intelligent flow-integrating instrument joint by connecting pipe respectively with the plemum of throttling element, negative pressure chamber connects, the connecting pipe that wherein is connected with plemum is the plemum conduit, the pilot that is connected with negative pressure chamber is negative pressure chamber's conduit, respectively be provided with one group of above spiral pipe on described plemum conduit and negative pressure chamber's conduit, described spiral pipe diameter is 1mm～40mm, spiral pipe and horizontal plane angle are 0～45 °, described plemum conduit is connected also to be respectively equipped with a switch valve or to be provided with three valve groups with the negative pressure chamber conduit and is connected simultaneously plemum conduit and negative pressure chamber's conduit.
Respectively be provided with two groups of spiral pipes on described plemum conduit and negative pressure chamber's conduit, described switch valve or three valve groups are located between two groups of spiral pipes.
On described plemum conduit, spiral pipe is connected the pipeline that intelligent flow-integrating instrument connects and also is provided with pressure transducer with differential pressure transmitter.
The spiral number of turns of described spiral pipe is 1～10 circle.
Described switch valve or three valve groups are located at the positive/negative-pressure chamber of throttling element and draw on place's connecting pipe.
The utility model adopts above design proposal, be 1mm～40mm by setting the spiral pipe diameter, spiral pipe and horizontal plane angle are 0～45 °, make the liquid in spiral pipe can not remain in wherein,, make when the outdoor use differential pressure type is measured steam flow and can fill impulse without anti freezing solution, and compact conformation, volume is little, has avoided differential pressure transmitter to freeze or overheated and damage sensor, can be widely used in differential pressure flowmeter amount device.
Description of drawings
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 2 is the structural representation of the utility model embodiment two.
Embodiment
as shown in Figure 1, the utility model comprises throttling element 8, connecting pipe, differential pressure transmitter 1, wherein differential pressure transmitter 1 also can use intelligent flow-integrating instrument to substitute, described differential pressure transmitter 1 by connecting pipe respectively with the plemum of throttling element 8, negative pressure chamber connects, the connecting pipe that wherein is connected with plemum is plemum conduit 6, the pilot that is connected with negative pressure chamber is negative pressure chamber's conduit 7, respectively be provided with two groups of spiral pipes 3 and spiral pipe 5 on described plemum conduit 6 and negative pressure chamber's conduit 7, the diameter of described spiral pipe 3 and spiral pipe 5 is 1mm～40mm, spiral pipe 3 and 5 its pipelines and horizontal plane angle θ are 0～45 °, also be respectively equipped with a switch valve 4 on described plemum conduit 6 and negative pressure chamber's conduit 7, described switch valve 4 is located between two groups of spiral pipes 3 and spiral pipe 5.Also be provided with pressure transducer 2 between spiral pipe 3 on described plemum conduit 6 and differential pressure transmitter 1 connect, the spiral number of turns of described spiral pipe 3 and spiral pipe 5 is 1～10 circle.
As shown in Figure 2, the switch valve in Fig. 14 also can adopt three valve groups to substitute.
In concrete the use, switch valve 4 or three valve groups also can be directly arranged in the positive/negative-pressure chamber of throttling element 8 and draw on place's connecting pipe.
The utility model is in concrete the application, superheated vapor and the identification of wet full steam two-phase flow are to judge by the degree of superheat and these two factors of orifice plate differential pressure noise that temperature sensor detects steam, wherein orifice plate differential pressure noise-measuring biphase gas and liquid flow principle is: when two-phase flow passes through orifice plate, exist the differential pressure noise in orifice plate both sides, it is pressure fluctuation, this noise is the inherent characteristic of diphasic flow, closely related with the flow mass void fraction of two-phase flow, calculate the gas-liquid two-phase flow flow according to the differential pressure noise technique.
Claims (5)
1. the differential pressure flowmeter of an intelligent measure steam flow and pressure tester, it comprises throttling element, connecting pipe, it is characterized in that: it also comprises differential pressure transmitter or intelligent flow-integrating instrument, described differential pressure transmitter or intelligent flow-integrating instrument by connecting pipe respectively with the plemum of throttling element, negative pressure chamber connects, the connecting pipe that wherein is connected with plemum is the plemum conduit, the connecting pipe that is connected with negative pressure chamber is negative pressure chamber's conduit, respectively be provided with one group of above spiral pipe on described plemum conduit and negative pressure chamber's conduit, described spiral pipe diameter is 1mm～40mm, spiral pipe and horizontal plane angle are 0～45 °, described plemum conduit is connected also to be respectively equipped with a switch valve or to be provided with three valve groups with the negative pressure chamber conduit and is connected simultaneously plemum conduit and negative pressure chamber's conduit.
2. the differential pressure flowmeter of a kind of intelligent measure steam flow according to claim 1 and pressure tester, it is characterized in that: respectively be provided with two groups of spiral pipes on described plemum conduit and negative pressure chamber's conduit, described switch valve or three valve groups are located between two groups of spiral pipes.
3. the differential pressure flowmeter of a kind of intelligent measure steam flow according to claim 1 and pressure tester is characterized in that: on described plemum conduit, spiral pipe is connected with differential pressure transmitter and also is provided with pressure transducer on the pipeline that intelligent flow-integrating instrument connects.
4. the differential pressure flowmeter of a kind of intelligent measure steam flow according to claim 1 and pressure tester is characterized in that: the spiral number of turns of described spiral pipe is 1～10 circle.
5. the differential pressure flowmeter of a kind of intelligent measure steam flow according to claim 1 and pressure tester is characterized in that: described switch valve or three valve groups are located at the positive/negative-pressure chamber of throttling element and draw on place's connecting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220685281 CN203011442U (en) | 2012-12-12 | 2012-12-12 | Differential pressure type flowmeter and pressure measuring device capable of intelligently measuring steam flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220685281 CN203011442U (en) | 2012-12-12 | 2012-12-12 | Differential pressure type flowmeter and pressure measuring device capable of intelligently measuring steam flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203011442U true CN203011442U (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220685281 Expired - Lifetime CN203011442U (en) | 2012-12-12 | 2012-12-12 | Differential pressure type flowmeter and pressure measuring device capable of intelligently measuring steam flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203011442U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103658221A (en) * | 2013-12-19 | 2014-03-26 | 江阴江顺铝型材成套设备制造有限公司 | Device for measuring pressure of air inlet of combustion chamber of hot shearing furnace |
| CN109579922A (en) * | 2019-02-01 | 2019-04-05 | 飞思仪表（深圳）有限公司 | A kind of plug-in type differential pressure flowmeter and flow-measuring method |
-
2012
- 2012-12-12 CN CN 201220685281 patent/CN203011442U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103658221A (en) * | 2013-12-19 | 2014-03-26 | 江阴江顺铝型材成套设备制造有限公司 | Device for measuring pressure of air inlet of combustion chamber of hot shearing furnace |
| CN103658221B (en) * | 2013-12-19 | 2015-12-30 | 江阴江顺铝型材成套设备制造有限公司 | A kind of hot shearing furnace combustion chamber air inlet pressure tester |
| CN109579922A (en) * | 2019-02-01 | 2019-04-05 | 飞思仪表（深圳）有限公司 | A kind of plug-in type differential pressure flowmeter and flow-measuring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: WULUMUQI CHANGHUI AUTOMATIC METER CO., LTD. Free format text: FORMER OWNER: LU JIUQING Effective date: 20150820 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150820 Address after: 830026 No. 22 Shenyang street, Bei Xin District, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region Patentee after: Urumqi Changhui Automation Instrument Co.,Ltd. Address before: 830000 the Xinjiang Uygur Autonomous Region Urumqi shayibake District 4 Friendship Road No. 43 Building No. 304 Patentee before: Lu Jiuqing |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 830026 No. 22 Shenyang street, Bei Xin District, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region Patentee after: Xinjiang Zhongyuan Tianneng Oil & Gas Technology Co.,Ltd. Address before: 830026 No. 22 Shenyang street, Bei Xin District, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region Patentee before: Urumqi Changhui Automation Instrument Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130619 |