CN207472331U - A kind of throttle differential flowmeter - Google Patents
A kind of throttle differential flowmeter Download PDFInfo
- Publication number
- CN207472331U CN207472331U CN201721613117.2U CN201721613117U CN207472331U CN 207472331 U CN207472331 U CN 207472331U CN 201721613117 U CN201721613117 U CN 201721613117U CN 207472331 U CN207472331 U CN 207472331U
- Authority
- CN
- China
- Prior art keywords
- transformation
- conveyer
- flowmeter
- pressure guiding
- valve
- 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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Abstract
The utility model discloses a kind of throttle differential flowmeters, including flowmeter shell, the upper end of the flowmeter shell is provided with transformation conveyer, the upper end of the transformation conveyer is provided with transformation watch case, variometer is provided at the bosom position of the transformation watch case, the lower end of the transformation conveyer is provided with three valve groups, and the bottom end of the transformation conveyer is provided with articulation, condenser is provided with below the articulation；Under low-temperature condition, pressure guiding pipe is it is possible that freeze, guard shield is equipped in the outside middle position of flowmeter shell, the inner wall of guard shield is equipped with heating wire, if pressure guiding pipe is under low-temperature condition, electrothermal wire power can be connected, so that the temperature inside electric-heating-wire-heating guard shield, is equipped with insulating sponge pipe, after heating wire heats guard shield internal temperature in the outside of pressure guiding pipe, insulating sponge pipe can keep the temperature pressure guiding pipe, and pressure guiding pipe is avoided to freeze.
Description
Technical field
The utility model belongs to flowmeter technology field, and in particular to a kind of throttle differential flowmeter.
Background technology
Throttling flow meter is a kind of typical differential pressure flowmeter, is to be used for measuring gas, liquid in current industrial production
With a kind of most common flow instrument of vapor flow rate, the flow used in the industrial production systems such as steel mill, oil plant
Meter, ten to eight 17 percent or so be throttling flow meter, and in entire field of industrial production, throttling flow meter also accounts for flow
More than half of instrument sum, throttling set and measurement of the throttling flow meter usually by fluid flow can be converted into differential pressure signal
Differential pressure and the difference gauge composition for showing flow, the throttling set in circulation duct are also referred to as primary device, it includes throttling
Part, pressure obtaning device and front and rear straight tube, display device are also referred to as secondary device, it includes instrument needed for the measurement of differential pressure signal pipeline profit
Table.
Original throttle differential flowmeter, impulse pipeline is weak ring between throttling set and differential pressure display instrument
Section, during the work time, is also easy to produce leakage, blocks and freeze, distorted signals failure.
Invention content
The purpose of this utility model is to provide a kind of throttle differential flowmeter, to solve to propose in above-mentioned background technology
Original throttle differential flowmeter, between throttling set and differential pressure display instrument impulse pipeline be weak link, in work
During work, be also easy to produce leakage, block and freeze, distorted signals failure the problem of.
To achieve the above object, the utility model provides following technical solution：A kind of throttle differential flowmeter, including stream
Gauge housing, the upper end of the flowmeter shell are provided with transformation conveyer, and the upper end of the transformation conveyer is provided with transformation
Watch case is provided with variometer at the bosom position of the transformation watch case, and the lower end of the transformation conveyer is provided with
Three valve groups, the bottom end of the transformation conveyer are provided with articulation, condenser, the condensation are provided with below the articulation
Shut-off valve is provided with below device, handwheel is provided on the right side of the shut-off valve, pressure guiding pipe is provided with below the articulation,
Flange is provided with below the shut-off valve, gasket, the lower section setting abacus of the gasket are provided with below the flange
Piece, the lower end right side of the flowmeter shell are provided with rear straight tube, preceding straight tube are provided on the left of the lower end of the flowmeter shell,
The outside middle position of the flowmeter shell is provided with guard shield, and insulating sponge is provided on the outside of the pressure guiding pipe
Pipe, the inner surface of the guard shield are provided with heating wire, and the heating wire is electrically connected with external power supply.
Preferably, it is rotatablely connected between three valve group and condenser by articulation.
Preferably, the insulating sponge pipe is cylindrical structure, and the diameter of insulating sponge pipe is equal with the diameter of pressure guiding pipe.
Preferably, the heating wire is evenly distributed on the inner surface of guard shield.
Preferably, it is rotatablely connected between the handwheel and shut-off valve by shaft.
Compared with prior art, the beneficial effects of the utility model are：The utility model is scientific and reasonable for structure, safe to use
Convenient, under low-temperature condition, for pressure guiding pipe it is possible that freezing, it is outer to be equipped with protection in the outside middle position of flowmeter shell
Shell, the inner wall of guard shield are equipped with heating wire, if pressure guiding pipe is under low-temperature condition, can connect electrothermal wire power so that
Temperature inside electric-heating-wire-heating guard shield is equipped with insulating sponge pipe, in heating wire to guard shield in the outside of pressure guiding pipe
After internal temperature is heated, insulating sponge pipe can keep the temperature pressure guiding pipe, further avoid pressure guiding pipe and freeze
The phenomenon that, the use for people brings facility.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the guard shield structure diagram in the utility model；
Fig. 3 is the heating wire structure schematic diagram in the utility model；
In figure：1- flowmeter shells, 2- transformations watch case, 3- variometers, 4- transformations conveyer, tri- valve groups of 5-, 6- condensations
Straight tube, 12- orifice plates piece, 13- gaskets, 14- pressure guiding pipes, 15- before straight tube, 11- after device, 7- shut-off valves, 8- handwheels, 9- flanges, 10-
Articulation, 16- guard shields, 17- insulating sponges pipe, 18- heating wire.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of throttle differential flowmeter, including flow
Housing 1 is counted, the upper end of flowmeter shell 1 is provided with transformation conveyer 4, and the upper end of transformation conveyer 4 is provided with transformation watch case
2, variometer 3 is provided at the bosom position of transformation watch case 2, and the lower end of transformation conveyer 4 is provided with three valve groups 5, becomes
The bottom end of pressure conveyer 4 is provided with articulation 15, and the lower section of articulation 15 is provided with condenser 6, and the lower section of condenser 6 is provided with
Shut-off valve 7, the right side of shut-off valve 7 are provided with handwheel 8, and the lower section of articulation 15 is provided with pressure guiding pipe 14, and the lower section of shut-off valve 7 is set
It is equipped with flange 9, the lower section of flange 9 is provided with gasket 13, the lower section setting abacus piece 12 of gasket 13, under flowmeter shell 1
End right side is provided with rear straight tube 10, straight tube 11 before being provided on the left of the lower end of flowmeter shell 1, in the outside of flowmeter shell 1
Between be provided with guard shield 16 at position, the outside of pressure guiding pipe 14 is provided with insulating sponge pipe 17, the inner surface of guard shield 16
Heating wire 18 is provided with, heating wire 18 is electrically connected with external power supply.
In order to enable differential pressure type throttling flow meter simple installation, and if each component have damage, replace more convenient, the present embodiment
In, it is preferred that it is rotatablely connected between three valve groups 5 and condenser 6 by articulation 15.
In order to enable the heat insulation effect of pressure guiding pipe 14 is more preferable, in the present embodiment, it is preferred that insulating sponge pipe 17 is cylinder knot
Structure, and the diameter of insulating sponge pipe 17 is equal with the diameter of pressure guiding pipe 14.
In order to enable it is heated evenly inside guard shield 16, in the present embodiment, it is preferred that heating wire 18 is evenly distributed on anti-
Protect the inner surface of shell 16.
In order to enable shut-off valve 7 can adjust flow by handwheel 8, in the present embodiment, it is preferred that handwheel 8 and shut-off valve 7
Between be rotatablely connected by shaft.
The operation principle and process for using of the utility model：After the utility model installs, power on, enable heating wire
18 are powered, and flowmeter shell 1 are put into job site, there are transformation conveyer 4, throttle type differential flow in 1 top of flowmeter shell
Fluid flow can be converted into differential pressure signal by meter by transformation conveyer 4, transformation conveyer 4 by transformation watch case 2 inside
Variometer 3 can check differential pressure information, and liquid is flowed into from three valve groups 5, and flowmeter is detected liquid, and liquid passes through pressure guiding pipe
14 flow through condenser 6 and shut-off valve 7, and shut-off valve 7 controls the flowing of liquid by the switch of 8 control valve of handwheel, low
Under temperature state, when pressure guiding pipe 14 detects liquid, it can be made inside guard shield 16 by the heating wire 18 inside guard shield 16
It is heated evenly, pressure guiding pipe 14 is kept the temperature by insulating sponge pipe 17, the detected liquid in pressure guiding pipe 14 is avoided to freeze
Knot.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case of the principle and spirit for not departing from the utility model, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of throttle differential flowmeter, including flowmeter shell（1）, it is characterised in that：The flowmeter shell（1）It is upper
End is provided with transformation conveyer（4）, the transformation conveyer（4）Upper end be provided with transformation watch case（2）, outside the variometer
Shell（2）Bosom position at be provided with variometer（3）, the transformation conveyer（4）Lower end be provided with three valve groups（5）,
The transformation conveyer（4）Bottom end be provided with articulation（15）, the articulation（15）Lower section be provided with condenser（6）,
The condenser（6）Lower section be provided with shut-off valve（7）, the shut-off valve（7）Right side be provided with handwheel（8）, the loose joint
Head（15）Lower section be provided with pressure guiding pipe（14）, the shut-off valve（7）Lower section be provided with flange（9）, the flange（9）Under
Side is provided with gasket（13）, the gasket（13）Lower section setting abacus piece（12）, the flowmeter shell（1）Lower end it is right
Side is provided with rear straight tube（10）, the flowmeter shell（1）Lower end on the left of be provided with preceding straight tube（11）, the flowmeter shell
（1）Outside middle position be provided with guard shield（16）, the pressure guiding pipe（14）Outside be provided with insulating sponge pipe
（17）, the guard shield（16）Inner surface be provided with heating wire（18）, the heating wire（18）Electrically connect with external power supply
It connects.
2. a kind of throttle differential flowmeter according to claim 1, it is characterised in that：Three valve group（5）With condensation
Device（6）Between pass through articulation（15）Rotation connection.
3. a kind of throttle differential flowmeter according to claim 1, it is characterised in that：The insulating sponge pipe（17）For
Cylindrical structure, and insulating sponge pipe（17）Diameter and pressure guiding pipe（14）Diameter it is equal.
4. a kind of throttle differential flowmeter according to claim 1, it is characterised in that：The heating wire（18）Uniformly divide
Cloth is in guard shield（16）Inner surface.
5. a kind of throttle differential flowmeter according to claim 1, it is characterised in that：The handwheel（8）With shut-off valve
（7）Between be rotatablely connected by shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721613117.2U CN207472331U (en) | 2017-11-28 | 2017-11-28 | A kind of throttle differential flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721613117.2U CN207472331U (en) | 2017-11-28 | 2017-11-28 | A kind of throttle differential flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207472331U true CN207472331U (en) | 2018-06-08 |
Family
ID=62258895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721613117.2U Expired - Fee Related CN207472331U (en) | 2017-11-28 | 2017-11-28 | A kind of throttle differential flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207472331U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2017
- 2017-11-28 CN CN201721613117.2U patent/CN207472331U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180608 Termination date: 20181128 |