CN208621105U - A kind of suspended body flowmeter based on heavy caliber flow measurement - Google Patents

A kind of suspended body flowmeter based on heavy caliber flow measurement Download PDF

Info

Publication number
CN208621105U
CN208621105U CN201821587715.1U CN201821587715U CN208621105U CN 208621105 U CN208621105 U CN 208621105U CN 201821587715 U CN201821587715 U CN 201821587715U CN 208621105 U CN208621105 U CN 208621105U
Authority
CN
China
Prior art keywords
heavy caliber
flow
throttling element
tube body
diameter
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.)
Active
Application number
CN201821587715.1U
Other languages
Chinese (zh)
Inventor
魏德龙
王学东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengde Wanda High-Tech Instrument Co Ltd
Original Assignee
Chengde Wanda High-Tech Instrument Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chengde Wanda High-Tech Instrument Co Ltd filed Critical Chengde Wanda High-Tech Instrument Co Ltd
Priority to CN201821587715.1U priority Critical patent/CN208621105U/en
Application granted granted Critical
Publication of CN208621105U publication Critical patent/CN208621105U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a kind of suspended body flowmeters based on heavy caliber flow measurement, including diameter tube body at a gulp, throttling element is provided in the middle part of the heavy caliber tube body, the position that the large-diameter pipe body is located at the throttling element both ends is connected with one end of two bypass connecting pipes respectively, and the other end of two bypass connecting pipes is connected with the both ends of small-bore suspended body flowmeter respectively.When fluid flows through throttling element full of the fluid of heavy caliber tube body, local contraction will be generated, a fluid stream is concentrated, flow velocity increases, and static pressure reduces, and it is poor that a static pressure is then generated before and after throttling element, the pressure difference and flow are there is certain functional relation, and flow is bigger, and pressure difference is bigger.In the small diameter metal suspended body flowmeter that differential pressure signal is passed to bypass access by connecting pipe, with the variation of differential pressure, flow is also to change therewith, measures its differential flow using small-bore suspended body flowmeter to achieve the purpose that measure large diameter pipeline rate-of flow.

Description

A kind of suspended body flowmeter based on heavy caliber flow measurement
Technical field
The utility model relates to flowmeter technology field more particularly to a kind of float-types based on heavy caliber flow measurement Meter.
Background technique
Metal pipe float flow meter (also known as metallic rotameter) have structure simple, reliable operation, it is applied widely, The features such as precision is higher, easy for installation is applicable to various liquid, the flow measurement of gas and corrosive media.It is widely used in The fields such as the industries such as petrochemical industry, steel, electric power, metallurgy, weaving, food, pharmacy, papermaking and municipal and environment-friendly.
Metal pipe float flow meter is variable area formula flowmeter, i.e., has a Taper Pipe and one in the vertical measurement pipe of flowmeter A float that can move up and down.Annular gap between float and Taper Pipe changes with the difference of float position, therefore is known as Variable area formula flowmeter.When float rests on a certain position, impulse force and buoyancy and float sheet of the fluid suffered by float to it Body gravity reaches balance.The circulation annular space area between float and Taper Pipe keeps certain at this time.When flow becomes larger, suffered by float Impulse force becomes larger, and the dynamic balance of float is broken and moves up, and annular space area will become larger, and flow flows through more, and impulse force becomes smaller again, Float reaches balance a new position again again, i.e. a certain height of float represents the size of a certain flow.There is magnetic in float Position when moving up and down, is transmitted to external indicator by magnetic-coupled form, the pointer of indicator is made to follow float by steel Movement is to achieve the purpose that measuring flow.
Just because of this measurement method of suspended body flowmeter, cause suspended body flowmeter for the above pipeline of 200mm bore When measurement, because float weight reasons itself cause flow crushing excessive, it is limited in heavy caliber, the choosing of big flow occasion With.
Utility model content
The purpose of the utility model is to provide a kind of suspended body flowmeters based on heavy caliber flow measurement, solve existing float Flowmeter can not reasonable utilization in heavy caliber, big flow occasion flow monitoring work the problem of.
In order to solve the above technical problems, the utility model adopts the following technical solution:
A kind of suspended body flowmeter based on heavy caliber flow measurement of the utility model, including diameter tube body at a gulp are described big Be provided with throttling element in the middle part of bore tube body, the large-diameter pipe body be located at the position at the throttling element both ends respectively with two sides One end of road connecting pipe is connected, and the other end of two bypass connecting pipes is connected with the both ends of small-bore suspended body flowmeter respectively It is logical.
Further, the throttling element is fixedly welded in the middle part of the heavy caliber tube body.
Further, throttle orifice is offered in the middle part of the throttling element.
Further, the throttle orifice is a multistage hole comprising the cylindrical hole of interconnected round platform hole, the circle Platform hole is close to the water inlet end of heavy caliber tube body, and the cylindrical hole is in the water outlet of the heavy caliber tube body, the round platform hole The lesser one end of diameter is in contact with the cylindrical hole and the two diameter is equal.
Further, the ratio of the length of the cylindrical hole and tested pipe diameter be 1:100, the diameter of the cylindrical hole with The ratio of tested pipe diameter is 0.6:1.
Compared with prior art, the advantageous effects of the utility model:
After the utility model places throttling element in large diameter pipeline, throttling element both ends will form certain differential pressure surely, when When fluid full of pipeline flows through throttling element, local contraction will be generated, a fluid stream is concentrated, and flow velocity increases, and static pressure reduces, and is then existed One static pressure of generation is poor before and after throttling element, and the pressure difference and flow are there is certain functional relation, and flow is bigger, pressure difference It is bigger.In the small diameter metal suspended body flowmeter that differential pressure signal is passed to bypass access by connecting pipe, with differential pressure Variation, flow is also to change therewith, measures its differential flow using small-bore suspended body flowmeter to reach measurement large diameter pipeline The purpose of rate-of flow.
Detailed description of the invention
The utility model is described in further detail for explanation with reference to the accompanying drawing.
FIG. 1 is a schematic structural view of the utility model;
Description of symbols: 1, heavy caliber tube body;2, throttling element;3, connecting pipe is bypassed;4, small-bore suspended body flowmeter;5, Throttle orifice;5-1, round platform hole;5-2, cylinder.
Specific embodiment
As shown in Figure 1, a kind of suspended body flowmeter based on heavy caliber flow measurement, including diameter tube body 1 at a gulp, it is described big The middle part of bore tube body 1 is fixedly installed throttling element 2, and the specific throttling element 2 is fixedly welded in the heavy caliber tube body Middle part.The surface of the throttling element 2 offers the through-hole passed through for fluid.The heavy caliber tube body 2 is being located at the throttling element 2 Side wall other than both ends is connected with one end of two bypass connecting pipes 3 respectively, the other end of two bypass connecting pipes 3 respectively with The both ends of small-bore suspended body flowmeter 4 are connected.
Throttle orifice 5 is offered in the middle part of the throttling element.The throttle orifice 5 is a multistage hole comprising is interconnected Round platform hole 5-1 cylindrical hole 5-2, the round platform hole 5-1 close to the water inlet end of heavy caliber tube body 1, the cylindrical hole 5-2 is close The water outlet of the heavy caliber tube body 1, described lesser one end of round platform hole 5-1 internal diameter are in contact and two with the cylindrical hole 5-2 Person's diameter is equal.The ratio of the length of the cylindrical hole 5-2 and tested pipe diameter is 1:100, the diameter of the cylindrical hole 5-2 with The ratio of tested pipe diameter is 0.6:1.
When having fluid to pass through in the heavy caliber tube body of the utility model, the both ends of throttling element will form certain differential pressure, when When fluid full of pipeline flows through throttling element, local contraction will be generated, a fluid stream is concentrated, and flow velocity increases, and static pressure reduces, and is then existed One static pressure of generation is poor before and after throttling element, and the pressure difference and flow are there is certain functional relation, and flow is bigger, pressure difference It is bigger.In the small diameter metal suspended body flowmeter that differential pressure signal is passed to bypass access by bypass connecting pipe, with difference The variation of pressure, flow are also to change therewith.Large-diameter pipe is directly measured using small diameter metal suspended body flowmeter to realize The flow of medium in road.
Embodiment described above is only that the preferred embodiment of the utility model is described, not to the utility model Range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are practical new to this The various changes and improvements that the technical solution of type is made should all fall into the protection scope that the utility model claims book determines It is interior.

Claims (5)

1. a kind of suspended body flowmeter based on heavy caliber flow measurement, it is characterised in that: described including diameter tube body (1) at a gulp It is provided in the middle part of heavy caliber tube body (1) throttling element (2), the heavy caliber tube body (1) is located at the portion at the throttling element (2) both ends Position is connected with one end of two bypass connecting pipes (3) respectively, and the other end of two bypass connecting pipes (3) is floated with small-bore respectively The both ends of subflow meter (4) are connected.
2. the suspended body flowmeter according to claim 1 based on heavy caliber flow measurement, it is characterised in that: the throttling element (2) it is fixedly welded in the middle part of the heavy caliber tube body (1).
3. the suspended body flowmeter according to claim 1 based on heavy caliber flow measurement, it is characterised in that: the throttling element (2) throttle orifice (5) are offered in the middle part of.
4. the suspended body flowmeter according to claim 3 based on heavy caliber flow measurement, it is characterised in that: the throttle orifice It (5) is a multistage hole comprising the cylindrical hole (5-2) of interconnected round platform hole (5-1), the round platform hole (5-1) are close The water inlet end of heavy caliber tube body (1), the cylindrical hole (5-2) is close to the water outlet of the heavy caliber tube body (1), the round platform hole The lesser one end of (5-1) internal diameter is in contact with the cylindrical hole (5-2) and the two diameter is equal.
5. the suspended body flowmeter according to claim 4 based on heavy caliber flow measurement, it is characterised in that: the cylindrical hole The ratio of the length of (5-2) and tested pipe diameter is 1:100, the diameter of the cylindrical hole (5-2) and the ratio of tested pipe diameter For 0.6:1.
CN201821587715.1U 2018-09-28 2018-09-28 A kind of suspended body flowmeter based on heavy caliber flow measurement Active CN208621105U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821587715.1U CN208621105U (en) 2018-09-28 2018-09-28 A kind of suspended body flowmeter based on heavy caliber flow measurement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821587715.1U CN208621105U (en) 2018-09-28 2018-09-28 A kind of suspended body flowmeter based on heavy caliber flow measurement

Publications (1)

Publication Number Publication Date
CN208621105U true CN208621105U (en) 2019-03-19

Family

ID=65717617

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821587715.1U Active CN208621105U (en) 2018-09-28 2018-09-28 A kind of suspended body flowmeter based on heavy caliber flow measurement

Country Status (1)

Country Link
CN (1) CN208621105U (en)

Similar Documents

Publication Publication Date Title
CN102121896A (en) Experimental device for jet etching simulation and electrochemical test of high-temperature high-pressure loop
CN201707077U (en) Balance flow meter
CN103604473A (en) Wedge-shaped flowmeter and installation method
Kittredge et al. Resistance coefficients for laminar and turbulent flow through one-half-inch valves and fittings
CN208621105U (en) A kind of suspended body flowmeter based on heavy caliber flow measurement
CN113049482A (en) Pipeline pit cavitation test device
CN109099977A (en) A kind of suspended body flowmeter based on heavy caliber flow measurement
CN202485725U (en) Expanded Venturi tube flow sensor
CN202869562U (en) Machining-type Venturi tube
CN210321847U (en) Venturi flow meter
CN101539444A (en) Differential pressure type flow sensor capable of realizing direct pressure tapping and two-way measurement
CN109708707B (en) Gas flow measuring device and measuring method
CN109752058A (en) A kind of balance flow meter with protective layer
CN203069218U (en) Uniform-velocity tube flowmeter
CN104280076A (en) High-precision large-diameter vortex flowmeter
CN209043389U (en) A kind of folding type metal floater flowmeter
CN207610735U (en) A kind of wedge flow meter
CN208751667U (en) A kind of adjustable flowmeter of rectilinear indicator post
CN108225469A (en) A kind of parallel flow sensor
CN2449199Y (en) Intelligent electromagnetic flow meter
CN206919955U (en) A kind of auto purification type wedge shape differential pressure flowmeter
CN204313891U (en) A kind of self-alignment bilobed wheel turbo flow meter
CN204085580U (en) A kind of adjusting type symmetric(al) flow gauge
CN204202658U (en) One possesses caliber high-precision flowmeter
CN202869555U (en) Anti-blocking type flowmeter

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant