CN107607167A - The built-in multi-faceted gas roots flowmeter of temperature and pressure compensation - Google Patents

The built-in multi-faceted gas roots flowmeter of temperature and pressure compensation Download PDF

Info

Publication number
CN107607167A
CN107607167A CN201710544157.4A CN201710544157A CN107607167A CN 107607167 A CN107607167 A CN 107607167A CN 201710544157 A CN201710544157 A CN 201710544157A CN 107607167 A CN107607167 A CN 107607167A
Authority
CN
China
Prior art keywords
counter
built
temperature
pressure compensation
gas roots
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.)
Pending
Application number
CN201710544157.4A
Other languages
Chinese (zh)
Inventor
赵建新
卢小林
陆永明
张吉忠
董智
庞建华
昌庆飞
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.)
AIKE GAS MONITORING AND CONTROLLING DEVICE Co Ltd SHANGHAI
Original Assignee
AIKE GAS MONITORING AND CONTROLLING DEVICE Co Ltd SHANGHAI
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 AIKE GAS MONITORING AND CONTROLLING DEVICE Co Ltd SHANGHAI filed Critical AIKE GAS MONITORING AND CONTROLLING DEVICE Co Ltd SHANGHAI
Priority to CN201710544157.4A priority Critical patent/CN107607167A/en
Publication of CN107607167A publication Critical patent/CN107607167A/en
Pending legal-status Critical Current

Links

Landscapes

  • Measuring Volume Flow (AREA)

Abstract

The invention provides the built-in multi-faceted gas roots flowmeter of temperature and pressure compensation, including housing, rotating retaining plate, counter and integrating instrument.Gas roots flowmeter of the present invention either right angle setting is still horizontally mounted, it can reach counter and intelligent display all can be at horizontality, sampled respectively with Intelligent-counting so as to reach the convenient theory of the happy meter reading of reading and embody the perfect counter of hommization, make both more more accurate, metering is more reliable.

Description

The built-in multi-faceted gas roots flowmeter of temperature and pressure compensation
Technical field
The present invention relates to a kind of gas flowmeter, particularly a kind of built-in multi-faceted gas roots amount of temperature and pressure compensation Meter.
Background technology
It is known that all gas, including the density of natural gas and town gas are understood with its pressure and temperature Change and change.According to this physical characteristic, want accurately to measure it and flow through the flow of pipeline, particularly for trade settlement Metering, to protect the interests of consumers and producers both sides, the temperature of medium must be just measured while flow value is measured And pressure value, by the way that real flow value " status of criterion flow " of the medium through pipeline is calculated.Current market sales of gas Body rotz flowmeter and gas turbine meter, correct or mend automatically although realizing temperature, pressure on Technical Design " status of criterion flow " repaid.But in the structures and methods of Temperature and Pressure Correction transmission, outside flowmeter shell Set up pressure tappings, temperature-measuring port, then by pressure sensor, temperature sensor, Explosion proof joint, explosion-proof sleeve pipe, cable measuring Electric signal is conveyed to display instrument.By the computing of the single chip microcomputer set inside display instrument, show and flow through flowmeter The mark condition flow of gas, the temperature of gas, pressure.Such as existing company god camellia woman gas roots flowmeter and gas turbine flow Gauge.Its weak point is:(1)Pressure tappings, temperature-measuring port, pressure sensor, temperature sensor etc. are arranged on the outer of flow housing Portion, not only parts damage easy to aging, and easily being damaged by other people, many unsafe factors are brought to user, to this user and Feel helpless deeply with gas management part;(2)Because pressure tappings, temperature-measuring port, pressure sensor, temperature sensor etc. are arranged on flow shell The outside of body, can not effectively shield the interference of other signals such as external magnetic field, its poor anti jamming capability, institute's transmission signal by To after external interference, its reliability and accuracy can not be guaranteed, and not yet find its solution so far;(3)Volume is big, no Installation only to user brings great inconvenience, and producer's packaging, transport are also extremely inconvenient;(4)Parts are more, not only make Cause this big, and directly influence the overall technology performance and presentation quality of product.
In addition, it is fixedly connected between the display components of the gas roots flowmeter of in the market and shell, non-rotatable, institute Can only be right angle setting.If run into the environment for needing to be horizontally mounted, installation requirement cannot be reached;Also, only before It is single intelligent flow meter or single mechanical meters, the market of now is random diversified demand, therefore The functional diversities of flowmeter are needed, meet the needs of different.
The content of the invention
For deficiencies of the prior art, it is an object of the invention to provide the built-in multi-faceted gas of temperature and pressure compensation Body rotz flowmeter.
To realize object above, the built-in multi-faceted gas roots flowmeter of temperature and pressure compensation provided by the invention is using as follows Technical scheme:
The built-in multi-faceted gas roots flowmeter of temperature and pressure compensation, including housing, rotating retaining plate, counter and integrating instrument, institute Stating in housing has 2 waist wheel rotors, and the housing both ends are connected to drive end bearing bracket and rear end cap, and the drive end bearing bracket is provided with intelligence Energy thieff hatch and counter thieff hatch, the counter are located at the outside of housing forward end lid, and the outside of the counter is counting Device lid, the housing both sides are respectively provided with front baffle and rear bulkhead, and the front baffle and rear bulkhead are respectively provided with bearing, with installation It is used with fixed rotor axle, the rear end of armature spindle is respectively provided with two identical gears, and the front end of armature spindle is respectively provided with 1 set of magnetic Steelframe, and oil removal is carried out by each magnetic conduction cap respectively and leads to magnetic, turn signal is transmitted and counted;In the magnetic conduction cap of left side, with described Mistor is sampled in intellegent sampling hole, and signal is used to built-in mode, and signal, which is directly sent to integrating instrument, carries out intelligence Metering, the integrating instrument are arranged on counter cover;In the magnetic conduction cap of right side, sampled with magnet ring in counter sampling hole counter Sampled in hole, send rotation to counter;Set in the intellegent sampling hole of the drive end bearing bracket and the top of counter thieff hatch Have built-in temperature thieff hatch and force samples hole, temperature and pressure number be sent to integrating instrument, drive end bearing bracket and counter cover it Between be provided with rotating retaining plate, be fixed with sealing between rotating retaining plate and drive end bearing bracket;Rotating retaining plate and counter Cover and coordinate for rotary movable, make counter that there is rotatable function.
Counter of the present invention can be mechanical counter, or electronic counter.
Further, it is fixed with sealing between the rotating retaining plate and drive end bearing bracket using sealing ring and screw;
Further, on the rotating retaining plate, there are two grooves, first is seal groove, and second is locating slot;Counter Lid is enclosed on outside the step circle with two grooves of rotating retaining plate, it is preferred that rotating retaining plate(7)Set between counter cover It is equipped with sealing ring.
Preferably, 3 screwed holes are provided with the counter cover, counter cover is positioned at into rotation with 3 screws determines On the plate of position, counter cover is set to rotate, it is impossible to run out of outward.
Preferably, in 3 screws as location counter lid, wherein the outer head of 2 screws is drilled with aperture, for Lead sealing, unrelated person is set arbitrarily to dismantle.
Preferably, in the locating slot of rotating retaining plate, 3 is also provided with and presses closer screw, revolved for control counter lid The angle turned, to ensure the safety of built-in signal transfer wire.
Preferably, the output gear of the counter and output gear are in center, are easy to the rotation of counter to match somebody with somebody Close.
Oil storage cabin positioned at flow meter body both sides, the lower left of housing cavity is provided with oil-through-hole, makes both sides bunker Interior is oily flowable.
In drive end bearing bracket and rear end cap, it is respectively arranged to right angle setting or is horizontally mounted the oily fenestra of bidirectional visual and oily window Hole, to observe oil mass.
Preferably, the counter gear output gear uses POM materials, and without refueling, use is safer.
Further, counter is internally provided with counter part.
Compared with prior art, the present invention has following beneficial effect:
(1)Gas roots flowmeter structure of the present invention is novel, unique, simple, reliable, practical, either right angle setting or water Safety fills, and can reach counter and intelligent display all can be at horizontality, convenient so as to reach the happy meter reading of reading Theory and the perfection for embodying hommization;
(2)Counter of the present invention samples respectively with Intelligent-counting, makes both more more accurate, and metering is more reliable;
(3)The present invention rotates anyway because integrating instrument is arranged on counter cover, and intelligent display begins with counter The horizontal viewable state being consistent eventually;
(4)Oil-through-hole in inventive shell, the oil mass of drive end bearing bracket bunker and rear end cap bunker is set effectively to keep balancing;
(5)The oily fenestra on oily fenestra and rear end cap on drive end bearing bracket of the present invention is bidirectional visual oil window, reach right angle setting with Being horizontally mounted can conveniently observe;
(6)Counter gear of the present invention uses POM materials, and without refueling, use is safer, and counter part can use mould Batch machining, cost of labor can be reduced.
Brief description of the drawings
The detailed description made by reading with reference to the following drawings to non-limiting example, further feature of the invention, Objects and advantages will become more apparent upon:
Fig. 1 is the structural representation of the built-in multi-faceted gas roots flowmeter of temperature and pressure compensation of the present invention(One);
Fig. 2 is the structural representation of the built-in multi-faceted gas roots flowmeter of temperature and pressure compensation of the present invention(Two);
Fig. 3 is the structural representation of drive end bearing bracket;
Fig. 4 is the structural representation of counter cover;
Fig. 5 is the top view of the built-in multi-faceted gas roots flowmeter of temperature and pressure compensation of the present invention;
Fig. 6 is housing sectional view;
Fig. 7 is housing side view;
Fig. 8 is the built-in multi-faceted gas roots flowmeter right angle setting schematic diagram of temperature and pressure compensation of the present invention;
Fig. 9 is that the built-in multi-faceted gas roots flowmeter of temperature and pressure compensation of the present invention is horizontally mounted schematic diagram;
Figure 10 is the schematic perspective view of drive end bearing bracket;
Figure 11 is the schematic perspective view of rotating retaining plate;
Visual oily window position figure when Figure 12, Figure 13, Figure 14 are right angle setting;
Figure 15, Figure 16 are visual oily window position figure when being horizontally mounted.
Embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill to this area For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention Protection domain.
Referring to Fig. 1 ~ Fig. 7 and Figure 10 ~ Figure 11, a kind of built-in multi-faceted gas roots flowmeter of temperature and pressure compensation, including Housing 1, rotating retaining plate 7, counter and integrating instrument 26, there are 2 waist wheel rotors 4 in the housing 1, the both ends of housing 1 connect respectively Drive end bearing bracket 5 and rear end cap 6 are connected to, drive end bearing bracket 5 is provided with intellegent sampling hole 14 and counter thieff hatch 15, and counter is located at housing The outside of drive end bearing bracket 5, gas rotate rotor by housing cavity, produce volume measurement function;The outside of the counter is Counter cover 8, the both sides of housing 1 are respectively provided with front baffle 2 and rear bulkhead 3, and the front baffle 2 and rear bulkhead 3 are respectively provided with Bearing 9, it is used with installation and fixed rotor axle, the rear end of armature spindle is respectively provided with two identical gears 10, makes rotor in office When section all keeps fixed relative status;The front end of armature spindle is respectively provided with 1 set of magnet steel frame 11, and passes through each magnetic conduction cap respectively 12, which carry out oil removal, leads to magnetic, and turn signal is transmitted and counted;In the magnetic conduction cap of left side, with the mistor in intellegent sampling hole 14 Interior sampling, signal is used to built-in mode, signal is directly sent to integrating instrument 26 and carries out intelligent metering, the integrating instrument 26 is set Put on counter cover 8;In the magnetic conduction cap of right side, sampled in hole counter thieff hatch 15 and sampled in counter with magnet ring, will turned It is dynamic to send counter to(According to flowmeter different model and specification, using different fast ratios, counter is set correctly to be counted Number);The top in the intellegent sampling hole 14 of the drive end bearing bracket 5 and counter thieff hatch 15 is provided with the He of built-in temperature thieff hatch 16 Force samples hole 17, integrating instrument 26 is sent to by temperature and pressure number, and rotation is provided between drive end bearing bracket 5 and counter cover 8 Location-plate 7, it is fixed with sealing between rotating retaining plate 7 and drive end bearing bracket 5 using sealing ring and screw;Rotating retaining plate 7 Coordinate with counter cover 8 for rotary movable, make counter that there is rotatable function, between rotating retaining plate 7 and counter cover 8 It is provided with sealing ring.
On location-plate 7, there are two grooves, first is seal groove 19, and second is locating slot 20;Counter cover 8 is enclosed on Outside the step circle with two grooves of rotating retaining plate.
3 screwed holes are provided with counter cover 8, counter cover 8 is positioned on rotating retaining plate 7 with 3 screws, made Counter cover 8 can only rotate, it is impossible to run out of outward.
In 3 screws as location counter lid 8, wherein the outer head of 2 screws 23 is drilled with aperture, for upper lead Envelope, makes unrelated person arbitrarily to dismantle.
In the locating slot 20 of rotating retaining plate 7, it is also provided with 3 and presses closer screw 25, is rotated for control counter lid Angle, to ensure the safety of built-in signal transfer wire.
The output gear 21 and output gear 22 of counter are in center, are easy to the rotatable engagement of counter, pass through The center of output gear 21 and output gear 22, enables counter to realize rotatability.
Oil storage cabin positioned at flow meter body both sides, the lower left of the inner chamber of housing 1 is provided with oil-through-hole 29, makes both sides oily It is oily flowable in storehouse.
In drive end bearing bracket 5 and rear end cap 6, it is respectively arranged to right angle setting or is horizontally mounted the He of oily fenestra 27 of bidirectional visual Oily fenestra 28, to observe oil mass.
Counter gear output gear 21,22 uses POM materials, and without refueling, use is safer.
Counter is internally provided with counter part 18.
Referring to Fig. 8 and Fig. 9, either right angle setting is still horizontally mounted, inventive flow meter can reach counter and Integrating instrument all can be at horizontality, so as to reach the convenient theory of the happy meter reading of reading and embody the perfection of hommization;
Referring to Figure 12 ~ Figure 16, the oily fenestra 28 on oily fenestra 27 and rear end cap on drive end bearing bracket is bidirectional visual oil window, reaches vertical Straight installation can be observed conveniently with being horizontally mounted.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow Ring the substantive content of the present invention.

Claims (10)

1. the built-in multi-faceted gas roots flowmeter of temperature and pressure compensation, it is characterised in that including housing(1), rotating retaining plate (7), counter and integrating instrument(26), the housing(1)Inside there are 2 waist wheel rotors(4), the housing(1)Both ends connect respectively There is drive end bearing bracket(5)And rear end cap(6), the drive end bearing bracket is provided with intellegent sampling hole(14)With counter thieff hatch(15), it is described Counter is located at housing forward end lid(5)Outside, the outside of the counter is counter cover(8), the housing(1)Both sides point Zhuan You not front baffle(2)And rear bulkhead(3), the front baffle(2)And rear bulkhead(3)It is respectively provided with bearing(9), to install and consolidate Rotor axle is used, and the rear end of armature spindle is respectively provided with two identical gears(10), the front end of armature spindle is respectively provided with 1 set of magnetic Steelframe(11), and pass through each magnetic conduction cap respectively(12)Carry out oil removal and lead to magnetic, turn signal is transmitted and counted, in left side magnetic conduction cap It is interior, with the mistor in intellegent sampling hole(14)Interior sampling, signal is used to built-in mode, signal is directly sent to product Calculate instrument (26) and carry out intelligent metering, the integrating instrument (26) is arranged on counter cover(8)On;In the magnetic conduction cap of right side, magnet ring is used In counter thieff hatch(15)Interior sampling, send rotation to counter;In the drive end bearing bracket(5)Intellegent sampling hole(14)With Counter thieff hatch(15)Top be provided with built-in temperature thieff hatch(16)With force samples hole(17), by temperature and pressure number Integrating instrument (26) is sent to, in drive end bearing bracket(5)With counter cover(8)Between be provided with rotating retaining plate (7), rotating retaining plate(7) With drive end bearing bracket(5)Between be fixed with sealing;Rotating retaining plate(7)With counter cover(8)Coordinate for rotary movable, make Counter has rotatable function.
2. the built-in multi-faceted gas roots flowmeter of temperature and pressure compensation according to claim 1, it is characterised in that the rotation Turn location-plate(7)With drive end bearing bracket(5)Between be fixed with sealing using sealing ring and screw.
3. the built-in multi-faceted gas roots flowmeter of temperature and pressure compensation according to claim 1, it is characterised in that the rotation Turn location-plate(7)On, there are two grooves, first is seal groove(19), second is locating slot(20);Counter cover(8)Set Outside the step circle with two grooves of rotating retaining plate.
4. the built-in multi-faceted gas roots flowmeter of temperature and pressure compensation according to claim 3, it is characterised in that the rotation Turn location-plate(7)With counter cover(8)Between be provided with sealing ring.
5. the built-in multi-faceted gas roots flowmeter of temperature and pressure compensation according to claim 1, it is characterised in that the meter Number device lid(8)On be provided with 3 screwed holes, with 3 screws by counter cover(8)It is positioned at rotating retaining plate(7)On.
6. the built-in multi-faceted gas roots flowmeter of temperature and pressure compensation according to claim 5, it is characterised in that as fixed Digit counter lid(8)3 screws in, wherein 2 screws(23)Outer head be drilled with aperture.
7. the built-in multi-faceted gas roots flowmeter of temperature and pressure compensation according to claim 3, it is characterised in that described Rotating retaining plate(7)Locating slot(20)It is interior, it is also provided with 3 and presses closer screw(25).
8. the built-in multi-faceted gas roots flowmeter of temperature and pressure compensation according to claim 1, it is characterised in that positioned at stream The oil storage cabin of gauge main body both sides, in housing(1)The lower left of inner chamber is provided with oil-through-hole(29).
9. the built-in multi-faceted gas roots flowmeter of temperature and pressure compensation according to claim 1, it is characterised in that in front end Lid(5)And rear end cap(6), it is respectively arranged to right angle setting or is horizontally mounted the oily fenestra of bidirectional visual(27)With oily fenestra (28).
10. the built-in multi-faceted gas roots flowmeter of temperature and pressure compensation according to claim 1, it is characterised in that described Counter output gear (21) (22) uses POM materials.
CN201710544157.4A 2017-07-05 2017-07-05 The built-in multi-faceted gas roots flowmeter of temperature and pressure compensation Pending CN107607167A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710544157.4A CN107607167A (en) 2017-07-05 2017-07-05 The built-in multi-faceted gas roots flowmeter of temperature and pressure compensation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710544157.4A CN107607167A (en) 2017-07-05 2017-07-05 The built-in multi-faceted gas roots flowmeter of temperature and pressure compensation

Publications (1)

Publication Number Publication Date
CN107607167A true CN107607167A (en) 2018-01-19

Family

ID=61059717

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710544157.4A Pending CN107607167A (en) 2017-07-05 2017-07-05 The built-in multi-faceted gas roots flowmeter of temperature and pressure compensation

Country Status (1)

Country Link
CN (1) CN107607167A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108827413A (en) * 2018-06-22 2018-11-16 上海功尊仪表有限公司 A kind of Roots type flowmeter
CN110672173A (en) * 2019-10-09 2020-01-10 东台市竹林高科技材料有限公司 Intelligent gas waist wheel flowmeter and use method thereof
CN111198009A (en) * 2020-01-14 2020-05-26 秦亚州 Coal gas sleeve wheel explosion-proof waist wheel flowmeter based on steam medium fluid

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101185087A (en) * 2005-02-04 2008-05-21 埃尔斯特计量有限公司 Counter adapted to mount within housing of a fluid flow meter
CN201141775Y (en) * 2007-12-25 2008-10-29 上海埃科燃气测控设备有限公司 Double-display gas roots flowmeter
CN201163202Y (en) * 2008-02-29 2008-12-10 陕西航天动力高科技股份有限公司 Roots type flowmeter
CN201819707U (en) * 2010-10-19 2011-05-04 宁波市埃美仪表制造有限公司 Dry type water meter with horizontally rotatable counter
CN102538893A (en) * 2010-12-15 2012-07-04 陕西航天动力高科技股份有限公司 Mechanical electronic dual-display roots flowmeter
CN202471153U (en) * 2012-01-17 2012-10-03 上海思达斯易仪器仪表有限公司 Intelligent gas roots flow meter
US20150316403A1 (en) * 2014-05-02 2015-11-05 Azbil Kimmon Co., Ltd. Flow meter
CN205808477U (en) * 2016-07-14 2016-12-14 天津益普勒仪表科技有限公司 A kind of gas turbine meter
CN205826050U (en) * 2016-07-21 2016-12-21 天津益普勒仪表科技有限公司 A kind of gas roots flowmeter
CN205843741U (en) * 2016-07-26 2016-12-28 天津益普勒仪表科技有限公司 A kind of gas roots flowmeter
CN106289423A (en) * 2016-07-24 2017-01-04 孝感市创客电子科技有限公司 A kind of environment-friendly type mechanical electronic dual-display roots flowmeter
CN207456535U (en) * 2017-07-05 2018-06-05 上海埃科燃气测控设备有限公司 The built-in multi-faceted gas roots flowmeter of temperature and pressure compensation

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101185087A (en) * 2005-02-04 2008-05-21 埃尔斯特计量有限公司 Counter adapted to mount within housing of a fluid flow meter
CN201141775Y (en) * 2007-12-25 2008-10-29 上海埃科燃气测控设备有限公司 Double-display gas roots flowmeter
CN201163202Y (en) * 2008-02-29 2008-12-10 陕西航天动力高科技股份有限公司 Roots type flowmeter
CN201819707U (en) * 2010-10-19 2011-05-04 宁波市埃美仪表制造有限公司 Dry type water meter with horizontally rotatable counter
CN102538893A (en) * 2010-12-15 2012-07-04 陕西航天动力高科技股份有限公司 Mechanical electronic dual-display roots flowmeter
CN202471153U (en) * 2012-01-17 2012-10-03 上海思达斯易仪器仪表有限公司 Intelligent gas roots flow meter
US20150316403A1 (en) * 2014-05-02 2015-11-05 Azbil Kimmon Co., Ltd. Flow meter
CN105606164A (en) * 2014-05-02 2016-05-25 阿自倍尔金门株式会社 Flow meter
CN205808477U (en) * 2016-07-14 2016-12-14 天津益普勒仪表科技有限公司 A kind of gas turbine meter
CN205826050U (en) * 2016-07-21 2016-12-21 天津益普勒仪表科技有限公司 A kind of gas roots flowmeter
CN106289423A (en) * 2016-07-24 2017-01-04 孝感市创客电子科技有限公司 A kind of environment-friendly type mechanical electronic dual-display roots flowmeter
CN205843741U (en) * 2016-07-26 2016-12-28 天津益普勒仪表科技有限公司 A kind of gas roots flowmeter
CN207456535U (en) * 2017-07-05 2018-06-05 上海埃科燃气测控设备有限公司 The built-in multi-faceted gas roots flowmeter of temperature and pressure compensation

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108827413A (en) * 2018-06-22 2018-11-16 上海功尊仪表有限公司 A kind of Roots type flowmeter
CN108827413B (en) * 2018-06-22 2020-04-03 上海功尊仪表有限公司 Roots flowmeter
CN110672173A (en) * 2019-10-09 2020-01-10 东台市竹林高科技材料有限公司 Intelligent gas waist wheel flowmeter and use method thereof
CN111198009A (en) * 2020-01-14 2020-05-26 秦亚州 Coal gas sleeve wheel explosion-proof waist wheel flowmeter based on steam medium fluid
CN111198009B (en) * 2020-01-14 2021-09-21 刘培珠 Coal gas sleeve wheel explosion-proof waist wheel flowmeter based on steam medium fluid

Similar Documents

Publication Publication Date Title
CN107607167A (en) The built-in multi-faceted gas roots flowmeter of temperature and pressure compensation
CN207456535U (en) The built-in multi-faceted gas roots flowmeter of temperature and pressure compensation
CN107024252A (en) It is a kind of resist strong magnetic disturbance without magnetic remote transmitting water meter
CN103278218A (en) Flow monitoring device used for mechanical water meter
CN202471153U (en) Intelligent gas roots flow meter
CN105137507A (en) Automatic system for measuring starting and wind speed characteristics of cup type wind speed sensor
CN208282874U (en) A kind of gas turbine meter
CN206847730U (en) A kind of Portable underground water water-temperature water-level and Flow speed measurer
CN207487862U (en) A kind of on-line continuous detection device of struction machine structures part stress and torque
CN204988374U (en) Dual turbine flowmeter
CN213658004U (en) Current output type cooling liquid box volume measuring sensor
CN203364901U (en) Flow monitoring device used for mechanical water meter
CN211147750U (en) Non-magnetic sensing sampling water meter structure
CN204495410U (en) Ultrasonic water meter
CN208887717U (en) A kind of gas roots flowmeter
CN206891510U (en) It is a kind of resist strong magnetic disturbance without magnetic remote transmitting water meter
CN219757566U (en) Split-flow heat meter
CN206990584U (en) A kind of gas liquid ratio detector for oil gas recovery system of gas station
CN204613240U (en) A kind of blast pipe structure of wind speed tester
CN206959937U (en) A kind of ultrasonic flowmeter gauge outfit
CN207866316U (en) A kind of water-proof weight sensor
CN205027925U (en) A automatic system that is used for measuring that cup type air velocity transducer starts and wind speed characteristic
CN202255472U (en) Helical worm gear flowmeter
CN2186396Y (en) Remote-transmiting and direct-reading gas turbo-flowmeter
CN203053507U (en) Gas flow metering device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination