CN209197858U - Gas flow primary standard system - Google Patents
Gas flow primary standard system Download PDFInfo
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- CN209197858U CN209197858U CN201821371364.0U CN201821371364U CN209197858U CN 209197858 U CN209197858 U CN 209197858U CN 201821371364 U CN201821371364 U CN 201821371364U CN 209197858 U CN209197858 U CN 209197858U
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- Measuring Volume Flow (AREA)
Abstract
The utility model discloses a primary standard system of gas flow belongs to the gas flow detection area. The system comprises: the low-pressure gas source, the supercharging device, the high-pressure gas storage device, the pressure regulating device, the constant temperature device, the standard flowmeter and the reversing valve assembly are sequentially communicated, the weighing device is communicated with a first gas outlet of the reversing valve assembly, and the low-pressure gas storage device is communicated with a second gas outlet of the reversing valve assembly; the system further comprises: the gas path anti-corrosion device is arranged between the low-pressure gas source and the supercharging device or between the supercharging device and the high-pressure gas storage device and is used for removing sulfur, moisture and solid particles in the gas to be detected; the outlet of the liquid path anti-corrosion device is communicated with the supercharging device and the constant temperature device, and the liquid path anti-corrosion device is used for removing non-inert gas in the cooling water flowing into the supercharging device and the constant temperature device; the timer is arranged on the reversing valve component and used for acquiring the inflation time of the weighing device; and the temperature and humidity adjusting device is arranged on a balance chamber of the weighing device.
Description
Technical field
The utility model relates to gas flow rate field, in particular to a kind of simple modular system of gas flow.
Background technique
Gas flow standard system is the system established in order to determine gas flow standard magnitude, and effect is will be accurate
And unified gas flow transmission of quantity value gives the flow instrument for natural gas Trade Measures, its foundation is for guaranteeing natural gas
Accuracy, reliability and the fairness of Trade Measures are of great significance.Therefore, it is necessary to provide a kind of gas flow standard system
System.
The prior art provides a kind of simple modular system of gas flow, the system include: the low-pressure gas source being sequentially connected to,
Proving flowmeter, meausring apparatus.In application, the natural gas in low-pressure gas source is flowed into meausring apparatus by gas flowmeter.
And the mass change of inflationtime and meausring apparatus before inflation and after inflation is measured, calculating flows into meausring apparatus
Gas discharge.Then, according to the gas discharge, proving flowmeter is calibrated.Finally, by the normal flow after calibration
Meter is connected to the flow instrument for natural gas Trade Measures in downstream, is calibrated to the flow instrument.
The existing technology has at least the following problems for designer's discovery:
The measurement accuracy for the simple modular system of gas flow that the prior art provides is not high, and flow measurement uncertainty is high
To 0.1%.
Utility model content
The utility model embodiment provides a kind of simple modular system of gas flow, can solve the above problem.It is described
Technical solution is as follows:
A kind of simple modular system of gas flow, the simple modular system of gas flow includes: the low pressure being sequentially connected to
Gas source, supercharging device, high-pressure gas device, regulator, thermostat, proving flowmeter, reversing valve assembly, and with it is described
The meausring apparatus of the first gas outlet connection of reversing valve assembly, the low pressure storage being connected to the second gas outlet of the reversing valve assembly
Device of air；
The simple modular system of gas flow further include: it is set between the low-pressure gas source and the supercharging device,
Or the gas circuit anti-corrosive apparatus between the supercharging device and the high-pressure gas device, the gas circuit anti-corrosive apparatus is for removing
Sulphur, moisture and solid particle in gas to be detected；
Export the fluid path anti-corrosive apparatus being connected to respectively with the supercharging device, the thermostat, the fluid path anti-corrosion dress
It sets and flows into the supercharging device, the non-inert gas in the cooling water in the thermostat for removing；
The timer being set on the reversing valve assembly, for obtaining the inflationtime of the meausring apparatus；
The temperature humidity regulating device being set in the balance room of the meausring apparatus, it is indoor for adjusting the balance
Temperature, humidity.
In a kind of possible design method, the high-pressure gas device includes: import and the supercharging device or described
The connection of gas circuit anti-corrosive apparatus, exports the first high-pressure gas unit being connected to the regulator, the first high-pressure gas list
The import and export of member is respectively arranged with the first solenoid valve, second solenoid valve, and the is additionally provided on the first high-pressure gas unit
One pressure sensor；
Import is connected to the supercharging device or the gas circuit anti-corrosive apparatus, exports second be connected to the regulator
High-pressure gas unit, the import and export of the second high-pressure gas unit are respectively arranged with third solenoid valve, the 4th solenoid valve, and
Second pressure sensor is additionally provided on the second high-pressure gas unit；
The first air valve control being electrically connected with first solenoid valve, the 4th solenoid valve, the first pressure sensor
Device processed, the gas pressure information of the first high-pressure gas unit for receiving the first pressure sensor transmitting, and root
According to the gas pressure information of the first high-pressure gas unit control first solenoid valve, the 4th solenoid valve open with
It closes；
The second air valve control being electrically connected with the second solenoid valve, the third solenoid valve, the second pressure sensor
Device processed, the gas pressure information of the second high-pressure gas unit for receiving the second pressure sensor passes, and root
According to the gas pressure information of the second high-pressure gas unit control the second solenoid valve, the third solenoid valve open with
It closes.
In a kind of possible design method, the regulator includes: that import is connected to high-pressure gas device, outlet with
The tank body of the thermostat connection；
Third pressure sensor on the tank body is set；
The 5th solenoid valve at the drain of the tank body is set, and the 5th solenoid valve is for discharging in the tank body
Pressurized gas to be detected；
6th solenoid valve in the exit of the tank body is set；
Respectively with the third Air Valve Control of the third pressure sensor, the 5th solenoid valve, the 6th solenoid valve
Device, the gas pressure information of the tank body for receiving the third pressure sensor transmitting, and according to the gas of the tank body
Body pressure information controls the Push And Release of the 5th solenoid valve, the 6th solenoid valve.
In a kind of possible design method, the gas circuit anti-corrosive apparatus includes: the desulfurization list being sequentially connected to by pipeline
Member, buffer cell, dewatering unit, filter element；
The desulfurization unit is connected to the low-pressure gas source or the supercharging device, for removing in the gas to be detected
Sulphur；
The dewatering unit for passing through the gas to be detected after desulfurization from top to bottom, with adsorb after the desulfurization to
Moisture in detection gas；
The filter element removes a part for the solid particle in the gas to be detected after removing abjection moisture
Gas to be detected after solid particle is delivered in the supercharging device or the high-pressure gas device；
The gas circuit anti-corrosive apparatus further include: the heating list being set between the filter element and the dewatering unit
Member and the condensing unit being connected to the dewatering unit；
The heating unit is used to the gas to be detected after another part removal solid particle being heated to the first default temperature
Degree, and the gas to be detected after heating is made to pass through the dewatering unit from the bottom to top, it is adsorbed to parse the dewatering unit
Moisture；
Generated moisture cools down when the condensing unit is for parsing the dewatering unit, described another to separate
Gas to be detected after a part removal solid particle.
In a kind of possible design method, the fluid path anti-corrosive apparatus includes: water cell, suction unit, list of exhaling
Member, inert gas feed unit；
Be provided with inlet and outlet in the water cell, and the water outlet of the water cell simultaneously with the increasing
Pressure device, thermostat connection；
The suction unit and the expiration unit are connected to the roof of the water cell, and the suction unit with
The inert gas feed unit connection；
Non-inert gas in the water cell is discharged by the expiration unit.
In a kind of possible design method, the meausring apparatus includes: balance, support component, the first support unit, passes
Defeated unit, the second support unit, driving unit, counterweight, weighing pot and the balance room；
The balance, the support component, the counterweight and the weighing pot are respectively positioned in the balance room；
The support component includes: from top to bottom sequentially connected upper support shaft, vertical force transmission element, lower support shaft；
The upper support shaft is connect with the lower end of the balance, the top and bottom of the vertical force transmission element respectively with it is described
The lower end of upper support shaft and the upper end of the lower support shaft are flexibly connected；
The counterweight is used for and balance cooperation weighs the weighing pot；
First support unit and second support unit are respectively arranged at the first end and of the transmission unit
Two ends, the first end of the transmission unit is close to the balance, and the second end of the transmission unit is close to the reversing valve assembly；
First support unit is used for for carrying the weighing pot, the transmission unit by first support unit
The upper end of second support unit is transmitted to the weighing pot, second support unit is used for single to first support
The first and described weighing pot is supported；
The driving unit for driving second support unit to move up and down and rotate, until make the weighing pot with
The unstressed docking in the first gas outlet of the reversing valve assembly.
In a kind of possible design method, the temperature humidity regulating device includes: thermostat unit, humidity regulation
Unit, blowing unit, rectification unit and air exhaust units；
The thermostat unit is for adjusting the indoor temperature of the balance；
The humidity adjustment unit is for adjusting the indoor humidity of the balance；
The rectification unit is set on the side wall or/and roof of the balance room；
The blowing unit is used to pass through rectification unit input air into the balance room；
The air exhaust units are set on the bottom wall of the balance room, and the air exhaust units are for being discharged in the balance room
Air.
In a kind of possible design method, the weighing pot includes: the first outer tank body, is arranged in first outer tank body
The first interior inner tank body；
Vacuum space gap layer is provided between first outer tank body and first inner tank body；
The first inflating port for being connected to the reversing valve assembly, and institute are provided on the outer wall of first outer tank body
The first inflating port is stated to be connected to across the vacuum space gap layer with first inner tank body；
It is additionally provided with the first pendant in first outer tank body, for making the weighing pot be suspended on the balance.
In a kind of possible design method, the weighing pot includes: the second outer tank body, is arranged in second outer tank body
The second interior inner tank body；
Mass compensation clearance layer is provided between second outer tank body and second inner tank body, between the mass compensation
It fills inside gap layer equipped with flowable media；
The mass compensation pipe with mass compensation clearance layer perforation is provided on the outer wall of second outer tank body, it is described
It is provided with scale on mass compensation pipe, and there is standard section product；
The second inflating port for being connected to the reversing valve assembly is additionally provided on the outer wall of second outer tank body, and
Second inflating port passes through the mass compensation clearance layer and is connected to second inner tank body；
It is additionally provided with the second pendant in second outer tank body, for making the weighing pot be suspended on the balance.
In a kind of possible design method, the weighing pot includes: the first weighing pot, the second weighing pot；
The meausring apparatus further include: main line, the first bye-pass, the second bye-pass；
The gas outlet of first bye-pass and second bye-pass respectively with first weighing pot and described second
Weighing pot connection；
It is provided with dismountable first valve on first bye-pass, the second valve is set on second bye-pass；
The reversing valve assembly is arranged on main line；
The meausring apparatus further include: skew T；
The air inlet of first bye-pass and second bye-pass is gone out by the skew T and the main line
Port connection.
In a kind of possible design method, the outlet of the low pressure caisson connects with the import of the low-pressure gas source
It is logical；
And gas composition analysis device is provided between the thermostat and the proving flowmeter.
Technical solution bring beneficial effect provided by the embodiment of the utility model includes at least:
The simple modular system of gas flow provided by the embodiment of the utility model, by supercharging device by gas to be detected
The operating pressure of pressure increase to more than proving flowmeter, and can be to mark by the cooperation of high-pressure gas device and regulator
Discharge pressure gas identical with its operating pressure in quasi- flowmeter, the measurement of the simple modular system of gas flow had both can be improved in this
Precision can also meet and calibrate to the calibrating gas flowmeter under different operating pressure, improve the scope of application；It is anti-by gas circuit
The cooperation of rotten device and water route anti-corrosive apparatus, can treat detection gas simultaneously and cooling water carries out preservative treatment, effectively reduce
The corrosion of the simple standard set-up of gas flow has ensured the operation steady in a long-term of the simple standard set-up of gas flow, gas can be improved
The measurement accuracy of the simple standard set-up of body flow；In addition, passing through the cooperation of reversing valve assembly and timer, weighing can be accurately measured
The inflationtime of device, and by the way that temperature humidity regulating device is arranged in the balance room of meausring apparatus, weighing dress can be improved
The measurement accuracy set, and then the measurement accuracy of the simple modular system of gas flow can be improved.
In conclusion the simple modular system of gas flow provided by the embodiment of the utility model, both raising measurement accuracy,
The scope of application can also be expanded.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural block diagram of the simple modular system of a kind of gas flow provided by the embodiment of the utility model；
Fig. 2 is the structural block diagram of the simple modular system of another kind of gas flow provided by the embodiment of the utility model；
Fig. 3 is the installation signal of high-pressure gas device provided by the embodiment of the utility model and supercharging device, regulator
Figure；
Fig. 4 is the structural schematic diagram of high-pressure gas device provided by the embodiment of the utility model；
Fig. 5 be the first high-pressure gas unit provided by the embodiment of the utility model, the second high-pressure gas unit structure show
It is intended to；
Fig. 6 is the structural schematic diagram of regulator provided by the embodiment of the utility model；
Fig. 7 is the structural schematic diagram of gas circuit anti-corrosive apparatus provided by the embodiment of the utility model；
Fig. 8 is the structural schematic diagram of fluid path anti-corrosive apparatus provided by the embodiment of the utility model.
Fig. 9 is the structural schematic diagram of meausring apparatus provided by the embodiment of the utility model；
Figure 10 is the structural schematic diagram of support component provided by the embodiment of the utility model；
Figure 11 is the top view between the first sphere provided by the embodiment of the utility model and three the second spheres；
Figure 12 is the position view between the centre of sphere of three the second spheres provided by the embodiment of the utility model；
Figure 13 is the stress relationship signal between the first sphere provided by the embodiment of the utility model and three the second spheres
Figure；
Figure 14 is the stress relationship signal between three the second spheres and third sphere provided by the embodiment of the utility model
Figure；
Figure 15 is the top view of movement butt joint device provided by the embodiment of the utility model；
When Figure 16 is that the first support unit provided by the embodiment of the utility model is located above the second support unit, mobile pair
The top view of connection device；
Figure 17 is the main view of the second support unit provided by the embodiment of the utility model；
Figure 18 is the top view of the second support unit provided by the embodiment of the utility model；
Figure 19 is the structural schematic diagram of a kind of weighing pot provided by the embodiment of the utility model；
Figure 20 is the structural schematic diagram of another kind of weighing pot inflation front and back provided by the embodiment of the utility model；
Figure 21 is the structural schematic diagram of reversing valve assembly provided by the embodiment of the utility model.
Wherein, each label declaration in attached drawing is as follows:
1- low-pressure gas source；
2- supercharging device；
3- high-pressure gas device；
301- the first high-pressure gas unit, the first solenoid valve of 3011-, 3012- second solenoid valve, 3013- first pressure pass
Sensor, 301a- the first air inlet backbone, 301b- the first outlet backbone, 301c- first gas branch line, the first gas storage of 301d-
Tank, 302- the second high-pressure gas unit, 3021- third solenoid valve, the 4th solenoid valve of 3022-, 3023- second pressure sensor,
302a- the second air inlet backbone, 302b- the second outlet backbone, 302c- second gas branch line, the second air accumulator of 302d-, 303
First air valve controller, the second air valve controller of 304-；
4- regulator；
401- tank body, 4011- third pressure sensor, the 5th solenoid valve of 4012-, the 6th solenoid valve of 4013-, 402-
Three air valve controllers；
5- thermostat；
6- proving flowmeter；
7- reversing valve assembly；
The 7th solenoid valve of 701-, the 8th solenoid valve of 702-；
8- meausring apparatus；
801- balance, 802- support component, the upper support shaft of 8021-, the vertical force transmission element of 8022-, 8022a- shell,
The first sphere of 8022b-, the second sphere of 8022c-, 8022d- third sphere, 8022e- top cover, support shaft under 8023-, 8024- add
Strong part, the first support unit of 803-, 8031- limiting slot, 804- transmission unit, the second support unit of 805-, 8051- support are flat
Platform, 8051a- cambered surface groove, the 4th sphere of 8052-, 806- driving unit, 807- weighing pot, the first weighing pot of 807a-,
The second weighing pot of 807b-, the first outer tank body of 8071a-, the second outer tank body of 8071b-, the first inner tank body of 8072a-, 8072b-
Two inner tank bodys, 8073- vacuum space gap layer, the first inflating port of 8074a-, the second inflating port of 8074b-, 8075- mass compensation gap
Layer, 8076- mass compensation pipe, the first erosion resistant coating of 8077-, 8078- first seal, 808 balance rooms, 809a- main line,
The first bye-pass of 809b-, the second bye-pass of 809c-, 809d- skew T, 810- counterweight；
9- low pressure caisson；
10- gas circuit anti-corrosive apparatus；
1001- desulfurization unit, 1002- buffer cell, 1003- dewatering unit, 1004- filter element, 1005- heating are single
Member, 1006- condensing unit, 1007- conveyance conduit；
11- fluid path anti-corrosive apparatus；
1101- water cell, 1102- suction unit, 1102a- suction line, the first filtration members of 1102b-, 1102c-
One valve body, the first ball-and-seat of 1102d-, 1103- expiration unit, 1103a- expiration pipeline, the second filtration members of 1103b-, 1103c-
Second valve body, the second ball-and-seat of 1103d-, 1104- inert gas feed unit；
12- timer；
13- gas composition analysis device.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
It should be noted that the operating pressure of proving flowmeter 6 refers to proving flowmeter in the utility model embodiment
6 working environment air pressure when actually detected.
The utility model embodiment provides a kind of simple modular system of gas flow, as shown in Fig. 1, the gas stream
Measuring simple modular system includes: the low-pressure gas source 1 being sequentially connected to, supercharging device 2, high-pressure gas device 3, regulator 4, constant temperature
Device 5, proving flowmeter 6, reversing valve assembly 7, and be connected to the first gas outlet of reversing valve assembly 7 meausring apparatus 8, with
The low pressure caisson 9 of the second gas outlet connection of reversing valve assembly 7.Further, system further include: be set to low pressure gas
Gas circuit anti-corrosive apparatus between source 1 and supercharging device 2 (referring to attached drawing 2) or between supercharging device 2 and high-pressure gas device 3
10, gas circuit anti-corrosive apparatus 10 is used to remove sulphur, moisture and the solid particle in gas to be detected；Outlet respectively with supercharging device
2, the fluid path anti-corrosive apparatus 11 that thermostat 5 is connected to, anti-corrosive apparatus flow into supercharging device 2, in thermostat 5 for removing
Non-inert gas in cooling water；The timer 12 being set on reversing valve assembly 7, when for obtaining the inflation of meausring apparatus 8
Between；The temperature humidity regulating device (referring to attached drawing 9) being set in the balance room 808 of meausring apparatus 8, for adjusting balance room
Temperature, humidity in 808.
The working principle with regard to the simple modular system of gas flow provided by the embodiment of the utility model, which is given, below describes:
First the gas to be detected (such as natural gas) in low-pressure gas source 1 is flowed into supercharging device 2, and utilizes pressurization dress
2 are set by gas boosting to be detected to preset pressure, then by pressurized gas to be detected (i.e. through supercharging device 2 it is processed
Gas to be detected) it flows into gas circuit anti-corrosive apparatus 10, and pressurized gas to be detected is removed using gas circuit anti-corrosive apparatus 10
In sulphur, moisture and solid particle；Alternatively, the gas to be detected in low-pressure gas source 1 is first flowed into gas circuit anti-corrosive apparatus 10
In, and sulphur, moisture and solid particle in gas to be detected are removed using gas circuit anti-corrosive apparatus 10, then by the gas stream
Enter to supercharging device 2, and utilizes supercharging device 2 by the gas boosting to preset pressure.Wherein, right by supercharging device 2
Gas to be detected be removed into using fluid path anti-corrosive apparatus 11 non-in the cooling water in supercharging device 2 in pressurization
Inert gas (non-inert gas) etc., prevents the corrosion of pipeline and equipment, and then avoids the blocking of pipeline or equipment.
Then high-pressure gas dress will be flowed into through supercharging device 2 and the processed gas to be detected of gas circuit anti-corrosive apparatus 10
It sets in 3.After operating pressure of the gas pressure in high-pressure gas device 3 not less than proving flowmeter 6, by gas stream to be detected
Enter to regulator 4, and keeps the pressure of gas to be detected identical as the operating pressure of proving flowmeter 6 using regulator 4.
Then the gas after pressure regulation is flowed into thermostat 5, and makes the temperature of the gas after pressure regulation using thermostat 5
It is identical as the operating temperature of proving flowmeter 6.And it while being removed into using fluid path anti-corrosive apparatus 11 cold in thermostat 5
But non-inert gas in water (non-inert gas) etc., prevents the corrosion of pipeline and equipment, and then avoids pipeline or equipment
Blocking.
Then by the gas after temperature adjustment followed by proving flowmeter 6, reversing valve assembly 7, and reversing valve assembly 7 is opened
Second gas outlet, closes the first gas outlet of reversing valve assembly 7, and the gas after making temperature adjustment flows into low pressure caisson 9.To
After gas flow in inflow proving flowmeter 6 is stablized, the first gas outlet of reversing valve assembly 7 is opened, closes reversing valve assembly 7
The second gas outlet, the gas after making temperature adjustment flows into meausring apparatus 8, and obtains reversing valve assembly using timer 12 simultaneously
7 commutating period.And the gas after temperature adjustment utilizes temperature humidity regulating device pair during flow into meausring apparatus 8
Temperature, the humidity of the balance room 808 of meausring apparatus 8 are adjusted, to improve the measurement accuracy of meausring apparatus 8.To be filled to weighing
It sets in 8 after gassy, opens the second gas outlet of reversing valve assembly 7, close the first gas outlet of reversing valve assembly 7, and same
The commutating period of the acquisition reversing valve assembly 7 of Shi Liyong timer 12.
Finally, obtaining gas according to the commutating period of the quality of gas and reversing valve assembly 7 in meausring apparatus 8 is flowed into
Body flows through the flow in proving flowmeter 6, and the gas flow measured with proving flowmeter 6 is compared, to proving flowmeter 6
It is calibrated；Then the flow instrument for being used for natural gas Trade Measures of calibrating gas flowmeter and downstream after calibration is connected
It is logical, which is calibrated.
As it can be seen that the simple modular system of gas flow provided by the embodiment of the utility model, it will be to be checked by supercharging device 2
The pressure increase of gas to more than the operating pressure of proving flowmeter 6 are surveyed, and passes through high-pressure gas device 3 and regulator 4
Cooperation can into proving flowmeter 6 discharge pressure gas identical with its operating pressure, it is simple that gas flow had both can be improved in this
The measurement accuracy of modular system can also meet and calibrate to the calibrating gas flowmeter under different operating pressure, improve and be applicable in
Range；By the cooperation of gas circuit anti-corrosive apparatus 10 and water route anti-corrosive apparatus, detection gas can be treated simultaneously and cooling water is prevented
Corruption processing, effectively reduces the corrosion of the simple standard set-up of gas flow, has ensured the long-term of the simple standard set-up of gas flow
The measurement accuracy of the simple standard set-up of gas flow can be improved in stable operation；In addition, passing through reversing valve assembly 7 and timer 12
Cooperation, can accurately measure the inflationtime of meausring apparatus 8, and by the way that temperature is arranged in the balance room of meausring apparatus 8 808
Humidity control apparatus, can be improved the measurement accuracy of meausring apparatus 8, and then the measurement essence of the simple modular system of gas flow can be improved
Degree.
In conclusion the simple modular system of gas flow provided by the embodiment of the utility model, both raising measurement accuracy,
The scope of application can also be expanded.
In order to make the stable gas of discharge pressure into regulator 4 of high-pressure gas device 3, so that the gas pressure is always
Greater than 6 operating air pressure of proving flowmeter, in the utility model embodiment, as shown in attached drawing 3, attached drawing 4, high-pressure gas device 3 is wrapped
Include: import is connected to the supercharging device 2 or the gas circuit anti-corrosive apparatus 10, exports the first high pressure being connected to regulator 4
Gas storage unit 301, the import and export of the first high-pressure gas unit 301 are respectively arranged with the first solenoid valve 3011, second solenoid valve
3012, and first pressure sensor 3013 is additionally provided on the first high-pressure gas unit 301；Import and supercharging device 2 or gas circuit
Anti-corrosive apparatus 10 is connected to, and exports the second high-pressure gas unit 302 being connected to regulator 4, the second high-pressure gas unit 302
Import and export is respectively arranged with third solenoid valve 3021, the 4th solenoid valve 3022, and also sets up on the second high-pressure gas unit 302
There is second pressure sensor 3023；With the first solenoid valve 3011, the 4th solenoid valve 3022, first pressure sensor 3013
First air valve controller 303 of electrical connection, for receiving the first high-pressure gas unit 301 of the transmitting of first pressure sensor 3013
Gas pressure information, and according to the gas pressure information of the first high-pressure gas unit 301 control the first solenoid valve the 3011, the 4th
The Push And Release of solenoid valve 3022；It is electrically connected with second solenoid valve 3012, third solenoid valve 3021, second pressure sensor 3023
Second air valve controller 304, the gas pressure of the second high-pressure gas unit 302 for receiving the transmitting of second pressure sensor 3023
Force information, and second solenoid valve 3012, third solenoid valve are controlled according to the gas pressure information of the second high-pressure gas unit 302
3021 Push And Release.
It is understood that the import of the first high-pressure gas unit 301 is connected to supercharging device 2, the first high-pressure gas list
The outlet of member 301 is connected to regulator 4；The import of second high-pressure gas unit 302 is connected to supercharging device 2, the second high pressure
The outlet of gas storage unit 302 is connected to regulator 4.And first the entrance of high-pressure gas unit 301 be provided with the first electromagnetism
The exit of valve 3011, the first high-pressure gas unit 301 is provided with second solenoid valve 3012；Second high-pressure gas unit 302
Entrance is provided with third solenoid valve 3021, and the exit of the second high-pressure gas unit 302 is provided with the 4th solenoid valve 3022.
By being as above arranged, using supercharging device 2 by the gas boosting to be detected being delivered in high-pressure gas device 3 extremely
Preset pressure, and the air pressure of the air pressure of the first high-pressure gas of real-time monitoring unit 301 and the second high-pressure gas unit 302 respectively,
And control the first high-pressure gas unit 301, into regulator 4, discharge pressure is not less than the second high-pressure gas unit 302 in turn
The gas of the operating pressure of proving flowmeter 6.Wherein, the first high-pressure gas unit 301, the second high-pressure gas unit 302 are controlled
The course of work of the discharge pressure not less than the gas of 6 operating pressure of proving flowmeter into regulator 4 in turn are as follows: utilize first
Pressure sensor 3013 obtains the gas pressure information of the first high-pressure gas unit 301, and the gas pressure information is transferred to
First air valve controller 303；Meanwhile the gas pressure of the second high-pressure gas unit 302 is obtained using second pressure sensor 3023
Force information, and the gas pressure information is transferred to the second air valve controller 304.If the gas of the first high-pressure gas unit 301
Pressure be less than operating pressure compatible with proving flowmeter 6, and the gas pressure of the second high-pressure gas unit 302 be not less than with
The compatible operating pressure of proving flowmeter 6 opens the first solenoid valve 3011, the 4th electromagnetism using the first air valve controller 303
Valve 3022, and second solenoid valve 3012, third solenoid valve 3021 are closed using the second air valve controller 304 simultaneously, fill pressurization
2 are set to be pressurized to the first high-pressure gas unit 301 for being unsatisfactory for pressure requirements；And fill the second high-pressure gas unit 302 to pressure regulation
Set the natural gas that 4 conveyings meet pressure requirements.Gas pressure to the second high-pressure gas unit 302, which is reduced to, to be unsatisfactory for requiring
Afterwards, natural gas is conveyed to regulator 4 again using the first high-pressure gas unit 301 through gas overcharging, while uses supercharging device 2
It is pressurized to the second high-pressure gas unit 302, and then realizing takes turns the first high-pressure gas unit 301, the second high-pressure gas unit 302
Flow to the gas that discharge pressure in regulator 4 is not less than 6 operating pressure of proving flowmeter.
In order to meet measurement, the calibration of the different proving flowmeters 6 that can detect range of flows, the utility model embodiment
In, as shown in Fig. 5, the first high-pressure gas unit 301 include: the first air inlet backbone 301a, the first outlet backbone 301b,
Multiple first gas branch line 301c, multiple first air accumulator 301d；First air inlet backbone 301a is connected to supercharging device 2, the
The first solenoid valve 3011 is additionally provided on one air inlet backbone 301a；First outlet backbone 301b is connected to regulator 4,
Second solenoid valve 3012 is additionally provided on first outlet backbone 301b；Multiple first gas branch line 301c are set in parallel
It sets between the first air inlet backbone 301a and the first outlet backbone 301b；The import and export of first air accumulator 301d with it is corresponding
First gas branch line 301c connection, be respectively arranged with hand-operated valve on the import and export of the first air accumulator 301d；And at least one
First pressure sensor 3013 is provided on first air accumulator 301d.
By being as above arranged, the of on-line operation according to the detectable range of flow of standard natural gas flowmeter 6, can be determined
The number of one air accumulator 301d determines that import is connected to supercharging device 2, exports the first air accumulator being connected to regulator 4
The number of 301d, and then the volume of changeable first high-pressure gas unit 301.
It should be noted that the import and export of each first air accumulator 301d is in identical working condition, for example, simultaneously
It is in the open state, or be in close state simultaneously.And the import and export of each first air accumulator 301d is only with same the
One gas branch line 301c connection.
Wherein, the setting number about the first air accumulator 301d, settable 3~10, for example, settable 3,
4,5,6,7,8,9 or 10 etc..
In addition, first pressure sensor 3013 can be provided at least one first air accumulator 301d, such as can be one
It is provided with first pressure sensor 3013 on a first air accumulator 301d, also or on each first air accumulator 301d is respectively provided with
There is first pressure sensor 3013 etc..It should be noted that the gas pressure of each first air accumulator 301d is identical.
Similarly, in order to meet different detectable range of flows standard natural gas flowmeters 6 measurement, calibration, this reality
With in new embodiment, as shown in Fig. 5, the second high-pressure gas unit 302 includes: the second air inlet backbone 302a, second goes out
Gas backbone 302b, multiple second gas branch line 302c, multiple second air accumulator 302d；Second air inlet backbone 302a and pressurization
Device 2 is connected to, and is additionally provided with third solenoid valve 3021 on the second air inlet backbone 302a；Second outlet backbone 302b and pressure regulation
Device 4 is connected to, and is additionally provided with the 4th solenoid valve 3022 on the second outlet backbone 302b；Multiple second gas branch line 302c are with simultaneously
The mode of connection is arranged between the second air inlet backbone 302a and the second outlet backbone 302b；Second air accumulator 302d into,
Outlet is connected to corresponding second gas branch line 302c, is respectively arranged with hand-operated valve on the import and export of the second air accumulator 302d；
And second pressure sensor 3023 is provided at least one second air accumulator 302d.
By being as above arranged, the second gas storage of on-line operation can be determined according to the detectable range of flow of proving flowmeter 6
The number of tank 302d determines that import is connected to supercharging device 2, exports the second air accumulator 302d's being connected to regulator 4
Number, and then the volume of changeable second high-pressure gas unit 302.
It should be noted that the import and export of each second air accumulator 302d is in identical working condition, for example, simultaneously
It is in the open state, or be in close state simultaneously.And the import and export of each second air accumulator 302d is only with same the
Two gas branch line 302c connection.
Wherein, the setting number about the second air accumulator 302d, settable 3~10, for example, settable 3,
4,5,6,7,8,9 or 10 etc..
In addition, second pressure sensor 3023 can be provided at least one second air accumulator 302d, such as can be one
It is provided with second pressure sensor 3023 on a second air accumulator 302d, also or on each second air accumulator 302d is respectively provided with
There is second pressure sensor 3023 etc..It should be noted that the gas pressure of each second air accumulator 302d is identical.
Being based on, structure is simple, under the premise of operating, in the utility model embodiment, as shown in Fig. 6, pressure regulation dress
Setting 4 includes: that import is connected to high-pressure gas device 3, exports the tank body 401 being connected to thermostat 5；It is arranged on tank body 401
Third pressure sensor 4011；The 5th solenoid valve 4012 at the drain of tank body 401 is set, and the 5th solenoid valve 4012 is used
Pressurized gas to be detected in discharge tank body 401；6th solenoid valve 4013 in the exit of tank body 401 is set；Point
Not with third pressure sensor 4011, the 5th solenoid valve 4012, the 6th solenoid valve 4013 third air valve controller 402, be used for
The gas pressure information for the tank body 401 that third pressure sensor 4011 transmits is received, and according to the gas pressure information of tank body 401
Control the Push And Release of the 5th solenoid valve 4012, the 6th solenoid valve 4013.
By being as above arranged, when regulator 4 carries out pressure regulation to pressurized gas to be detected, the 5th electromagnetism is first closed
Valve 4012, the 6th solenoid valve 4013, and pressurized gas to be detected is delivered in the tank body 401 of regulator 4.It utilizes
Third pressure sensor 4011 obtains the gas pressure information for flowing into tank body 401, and gas pressure information is transferred to third
Air valve controller 402 utilizes third air valve controller if the gas pressure of tank body 401 is greater than the operating pressure of proving flowmeter 6
402, the 5th solenoid valve 4012 is opened, a part of gas is discharged, until the gas pressure of tank body 401 is equal to proving flowmeter 6
Operating pressure recycles third air valve controller 402 at this time, closes the 5th solenoid valve 4012, opens the 6th solenoid valve 4013, makes
Satisfactory gas flows into thermostat 5.
Wherein, the bottom of tank body 401 is provided with evacuation port, and the 5th solenoid valve 4012 is mounted at the evacuation port.
Regulator 4 based on above structure, recycles the gas emitted to improve, such as attached drawing 6
Shown, the evacuation port of tank body 4011 can pass through the inlet communication of pipeline and low pressure caisson 9.
The above-mentioned gas circuit anti-corrosive apparatus 10 for removing the sulphur in gas to be detected, moisture and solid particle can be set to
Various structures, for example, in the utility model embodiment, as shown in Fig. 7, gas circuit anti-corrosive apparatus 10 includes: to pass through pipeline
Desulfurization unit 1001, buffer cell 1002, dewatering unit 1003, the filter element 1004 being sequentially connected to；Desulfurization unit 1001 with
Low-pressure gas source 1 or supercharging device 2 are connected to, for removing the sulphur in gas to be detected；Dewatering unit 1003 is for after making desulfurization
Gas to be detected from top to bottom passes through, to adsorb the moisture in the gas to be detected after desulfurization；Filter element 1004 is for removing
The solid particle in gas to be detected after deviating from moisture, and the gas to be detected after a part removal solid particle is delivered to
In supercharging device 2 or high-pressure gas device 3.Further, gas circuit anti-corrosive apparatus 10 further include: be set to filter element 1004 with
Heating unit 1005 between dewatering unit 1003 and the condensing unit 1006 being connected to dewatering unit 1003；Heating unit
1005 for by another part remove solid particle after gas to be detected be heated to the first preset temperature, and make heating after to
Detection gas pass through dewatering unit 1003 from the bottom to top, to parse the adsorbed moisture of dewatering unit 1003；Condensing unit 1006
Generated moisture cools down when for parsing to dewatering unit 1003, with separate after another part removal solid particle to
Detection gas.
By being as above arranged, when being handled using gas circuit anti-corrosive apparatus 10 gas to be detected, gas to be detected
Body is flowed out by low-pressure gas source 1 or supercharging device 2, is flowed into desulfurization unit 1001, to remove the sulphur in gas to be detected, and it is de-
Gas to be detected after sulphur flows into buffer cell 1002, is temporarily stored.Then, the gas to be detected after desulfurization is by upper
Dewatering unit 1003 is passed through to lower, to adsorb the moisture in the gas to be detected after desulfurization using dewatering unit 1003.Then,
Gas to be detected after abjection moisture flows into filter element 1004, to remove consolidating in the gas to be detected after moisture
Dehydrating agent in body particle, such as dewatering unit 1003.Wherein, the gas to be detected after a part removal solid particle flows into
In supercharging device 2 or high-pressure gas unit；Gas to be detected after another part removal solid particle flows into heating unit
In 1005, to be heated to the first preset temperature (such as 200 DEG C~350 DEG C), and the gas to be detected after heating is worn from the bottom to top
Dewatering unit 1003 is crossed, to parse the adsorbed moisture of dewatering unit 1003, i.e., will be dehydrated using the gas to be detected after heating
The adsorbed moisture of unit 1003 becomes water vapour, and mixes the water vapour with the gas to be detected after heating.Later,
Gas to be detected after the water vapour and heating flows into condensing unit 1006, and using condensing unit 1006 to the water vapour
(generated moisture when i.e. dewatering unit 1003 parses) is cooled down, which is condensed into liquid water, and then realize
The separation of natural gas after water vapour and heating.Wherein, condensed water vapour can be emitted into sewage pipe, and natural after heating
Gas can be emitted into low-pressure pipe network.
Wherein, desulfurization unit 1001 includes: shell and is arranged in the intracorporal desulfurizing agent bed of shell；It is provided on shell
Top opening and bottom opening, top opening are connected to low pressure gas source 1 or supercharging device 2, bottom opening and buffer cell
1002 connections.
It is understood that the gas to be detected after desulfurization can enter to desulfurization unit 1001 by the top opening of shell
It is interior, and flowed out by the bottom opening of shell；Similarly, the gas to be detected after heating enters to desulfurization by the bottom opening of shell
In unit 1001, and flowed out by the top opening of shell.
Above-mentioned desulfurizing agent bed is zinc oxide bed, by so set, can both effectively remove in natural gas to be detected
Sulphur can also reduce the operating cost of purifying device for natural gas.
In addition, in a kind of possible embodiment, as shown in Fig. 7, the bottom opening of desulfurization unit 1001 and heating
Conveyance conduit 1007 is additionally provided between unit 1005, for by the natural gas transportation after a part of desulfurization to heating unit 1005
It is interior, to parse the adsorbed moisture of dewatering unit 1003.
By being as above arranged, can avoid occurring due to the pipeline between heating unit 1005 and filter element 1004 blocking and
The gas discharge for causing to flow through after the removal solid particle of heating unit 1005 is too small, and then also cannot be to dewatering unit
The problem of 1003 adsorbed moisture are effectively parsed.
In order to while being parsed on dewatering unit 1003 without influence its adsorb desulfurization after gas to be detected in
Moisture, in the utility model embodiment, dewatering unit 1003 includes: multiple adsorption towers；The top opening of adsorption tower respectively with
Buffer cell 1002, condensing unit 1006 are connected to, and bottom opening is connected to heating unit 1005, filter element 1004 respectively；And
Reversal valve is provided in the top opening of adsorption tower, bottom opening.
It is understood that above-mentioned reversal valve can control the fluid flow direction in adsorption tower, the day after desulfurization can be made
Right gas from top to bottom passes through adsorption tower, or the natural gas after heating is made to pass through adsorption tower from the bottom to top.And a part of absorption
The working condition of the adsorption tower of tower and remainder is on the contrary, can make the absorption tower of a part by controlling respective reversal valve
In adsorbed state, the absorption tower of remainder is in analysis state；And after preset time, a part of absorption tower is by adsorbing
State is adjusted to analysis state, and the absorption tower of remainder is adjusted to adsorbed state by analysis state.
About the setting number of adsorption tower, it can be set to 2~4, for example, it can be set to 2,3 or 4,
By so set, both can be while having been parsed to dewatering unit 1003, in the natural gas after capable of effectively adsorbing desulfurization
Moisture, and convenient for the fluid flow direction in each adsorption tower in control dewatering unit 1003.
In addition, above-mentioned adsorption tower can be adsorbing tower with molecular sieve, specifically, the molecular sieve on the absorption tower can be 4A type molecule
Sieve.
The adsorptive selectivity of above-mentioned adsorbing tower with molecular sieve is strong, and adsorption capacity with higher can extend the use of molecular sieve
Service life.In addition, the molecular sieve analog is not easy by liquid water destruct.
In order to avoid the temperature of the dewatering unit 1003 after parsing is excessively high, and cannot be to the natural gas after the desulfurization of next round
In moisture effectively adsorbed, in the utility model embodiment, heating unit 1005 is also used to remainder removing solid
Heated by natural gas after particle makes the natural gas after heating pass through dewatering unit 1003 from the bottom to top to the second preset temperature,
To be cooled down to the dewatering unit 1003 after parsing moisture.
It should be noted that through filter element 1004 handle remove moisture removal after natural gas be divided into three parts, a part
It is transported in supercharging device 2 or high-pressure and low-pressure gas source 1, another part is transported in heating unit 1005 until being heated to
First preset temperature, remainder are transported in heating unit 1005 until being heated to the second preset temperature.
Wherein, in order to effectively be parsed to dewatering unit 1003, the first preset temperature is 200 DEG C~350 DEG C, is lifted
For example, it may be configured as 200 DEG C, 250 DEG C, 300 DEG C, 350 DEG C etc..
Based on the setting of above-mentioned first preset temperature, in order to effectively be parsed to dewatering unit 1003, dewatering unit
100313 parsing time may be configured as 2h~6h etc., for example, can be specifically configured to 2h, 3h, 4h, 5h, 6h etc..
In addition, the second preset temperature may be less than or equal to 20 DEG C, for example, may be configured as 20 DEG C, 18 DEG C, 16 DEG C, 14
DEG C, 12 DEG C, 10 DEG C etc..By being as above arranged, effective temperature-reducing can be carried out to the dewatering unit 1003 after parsing.
Wherein, heating unit 1005 may be configured as pipe heat exchanger, such heating unit 1005 is convenient for obtaining, and price is low
It is honest and clean.Specifically, the shell side for naturally making pipe heat exchanger leave with rage after removal solid particle, heating source walk tubular type heating unit 1005
Tube side.
In addition, above-mentioned filter element 1004 can be the apparatus structure for being provided with multiple filter membranes, condensing unit 1006 can be
Pipe heat exchanger.
In order to which the natural gas after heating can be made effectively to parse dewatering unit 1003, and to the dehydration after parsing
Unit 1003 is effectively cooled down, the pipe in the utility model embodiment, between 1005 matter of dewatering unit 1003 and heating unit
The display for being provided with temperature sensor on road and being electrically connected with temperature sensor；After temperature sensor is for obtaining heating
Natural gas temperature information, and temperature information is transferred to display；Display is used for displays temperature information.By as above setting
It sets, can effectively adjust the temperature of the natural gas after entering to the heating in dewatering unit 1003.
In order to which the natural gas after heating can further effectively parsed dewatering unit 1003, and to parsing
Dewatering unit 1003 afterwards is effectively cooled down, in the utility model embodiment, dewatering unit 1003 and heating unit 1005 it
Between pipeline on be additionally provided with flowmeter, for measuring the flow of the natural gas after flowing into the heating in dewatering unit 1003.
Wherein, the flow of the natural gas after heating is controllable to 500Nm3/ h~700Nm3/ h, it is preferred that be 600Nm3/
h.Above-mentioned flowmeter can be orifice flowmeter, and gas discharge measured by such flowmeter can be uploaded to flow indicator,
So that operator observes regeneration gas flow whether in suitable range.
In the utility model embodiment, it is provided with valve on related pipeline, to guarantee the safety of operation.
Natural gas to be detected is after gas circuit anti-corrosive apparatus 10 provided by the embodiment of the utility model processing, H2S content is small
In 5.7mg/m3(or even it is not higher than 4mg/m3), and its water dew point can -60 DEG C (even -65 DEG C) below.
It is above-mentioned for remove flow into supercharging device 2, the fluid path of non-inert gas in the cooling water in thermostat 5 is prevented
Rotten device 11 can be set to various structures, for example, as shown in Fig. 8, in the utility model embodiment, fluid path anti-corrosive apparatus
11 include: water cell 1101, suction unit 1102, expiration unit 1103, inert gas feed unit 1104；Water cell
Inlet and outlet are provided on 1101, and the water outlet of water cell 1101 connects with supercharging device 2, thermostat 5 simultaneously
It is logical；Suction unit 1102 and expiration unit 1103 are connected to the roof of water cell 1101, and suction unit 1102 and inertia
Gas feed unit 1104 is connected to；Non-inert gas in water cell 1101 is discharged by expiration unit 1103.
By being as above arranged, when using water route anti-corrosive apparatus to the cooling water for cooling down supercharging device 2, thermostat 5
When being handled, cooling water is first inputted by the water inlet in water cell 1101, at the same time, control inert gas (such as nitrogen
Gas, argon gas) feed unit inputs inert gas into water cell 1101 by suction unit 1102.Under differential pressure action, make
The non-inert gas obtained in water cell 1101 is discharged by expiration unit 1103, and then will be in cooling water in water cell 1101
Non-inert gas is converted to inert gas.By the water outlet of water cell 1101 to (such as the centrifugal gas pressure of supercharging device 2
Contracting machine), transport process crosses the cooling water of non-inert gas in thermostat 5 (such as heat-exchanger rig), in favor of by the cooling water
For in the simple standard set-up of gas discharge, and then cooling water is made not cause the corrosion of pipeline or equipment, played anti-
Rotten effect.
As an example, as shown in Fig. 8, the water inlet of water cell 1101 is higher than the water outlet of water cell 1101
Mouthful；And the water inlet of water cell 1101 and the water outlet of water cell 1101 are located at the two sides of water cell 1101.
By so set, making the cooling water for inputting water cell 1101, with the cooling exported by water cell 1101
There are drops between water, are conducive under gas pressure, the non-inert gas (non-inert gas) in cooling water is by expiration unit
1103 discharges.
Wherein, water cell 1101 can be water tank.
In addition, in addition to that can carry out cooling water unless other than inert gas treatment in water cell 1101, it can also be right
Other water bodys are handled, for example, soft water, oil well produced water, domestic water etc..
It is exported in view of differential pressure action may result in the cooling water in water cell 1101 by suction unit 1102, even
Inert gas feed unit 1104 is damaged, as shown in Fig. 8, suction unit 1102 includes: suction line 1102a, first single stream
Valve 1102d；The first end of suction line 1102a is connected to water cell 1101, second end and inert gas feed unit 1104
Connection；First ball-and-seat 1102d is set on suction line 1102a.
It should be noted that the first ball-and-seat 1102d enables suction unit 1102 by inert gas by inert gas
Feed unit 1104 is inputted in water cell 1101 by suction line 1102a, also, will not make the fluids such as gas or liquid
Reverse flow.
Wherein, inert gas feed unit 1104 can be inert gas tank, for example, being filled with nitrogen and/or argon gas etc.
The tank body of inert gas.
In order to efficiently input inert gas into cooling water, suction line 1102a can be made to protrude into water cell
1101 inner cavity, or even stretch in cooling water, to blast inert gas into cooling water, and then make the non-inert in cooling water
Gas (such as oxygen) discharge avoids non-inert gas and other pipelines or equipment in cooling water from reacting and cause corruption
Erosion.
In view of the solid impurity in water cell 1101 is possibly into inert gas feed unit 1104, alternatively, inertia
Solid impurity in gas feed unit 1104 etc. may enter in water cell 1101, the first end of suction line 1102a
The first filtration members 1102b can be set.
The frequency of inert gas is inputted into water cell 1101 in order to facilitate control inert gas feed unit 1104, such as
Shown in attached drawing 8, the first valve body 1102c is also provided on suction line 1102a.
Under differential pressure action, inevitably there is the inspiratory phenomenon of expiration unit 1103, influences gas discharge inspection
Treatment effect of the survey anti-corrosive apparatus to cooling water.In order to solve this problem, as shown in Fig. 8, expiration unit 1103 includes: one
Hold the expiration pipeline 1103a being connected to water cell 1101, the second ball-and-seat 1103d being set on expiration pipeline 1103a.
It should be noted that the second ball-and-seat 1103d enables expiration unit 1103 by non-inert gas by water storage list
Member 1101 exports, also, the fluids such as gas or liquid will not be made reversely to flow into water cell 1101.
Further, in order to avoid extraneous solid impurity is entered in water cell 1101 by expiration pipeline 1103a, such as
Shown in attached drawing 8, one end of expiration pipeline 1103a is provided with the second filtration members 1103b.
In view of control expiration unit 1103 and suction unit 1102 can be facilitated to work alternatively, efficiently by water storage list
Non-inert gas discharge in member 1101, as shown in Fig. 8, is provided with the second valve body 1103c on expiration pipeline 1103a.
It is worked alternatively in view of can easily control expiration unit 1103 and suction unit 1102, the first valve body 1102c
It can be hand-operated valve with the second valve body 1103c, to facilitate operation.
In the utility model embodiment, the first filtration members 1102b and the second filtration members 1103b can be set to a variety of knots
Structure, being based on, structure is simple, is easy under the premise of obtaining, and the first filtration members 1102b and the second filtration members 1103b are filtering
Net.
Being based on, structure is simple, under the premise of measuring, in the utility model embodiment, as shown in Fig. 9, the weighing
Device 8 includes: balance 801, support component 802, the first support unit 803, transmission unit 804, the second support unit 805, drives
Moving cell 806, counterweight 810, weighing pot 807 and balance room 808；Balance 801, support component 802, counterweight 810 and weighing
Tank 807 is respectively positioned in balance room 808；Support component 802 include: from top to bottom sequentially connected upper support shaft 8021, vertical pass
Power part 8022, lower support shaft 8023 (referring to attached drawing 10)；Upper support shaft 8021 is connect with the lower end of balance 801, vertical force transmission element
8022 top and bottom are flexibly connected with the upper end of the lower end of upper support shaft 8021 and lower support shaft 8023 respectively；Counterweight 810
Weighing pot 807 is weighed for cooperating with balance 801；First support unit 803 and the second support unit 805 are respectively arranged at transmission
The first end and second end of unit 804, the first end of transmission unit 804 close to balance 801, lean on by the second end of transmission unit 804
Nearly reversing valve assembly 7；First support unit 803 is used for for carrying weighing pot 807, transmission unit 804 by the first support unit
803 and weighing pot 807 be transmitted to the upper end of the second support unit 805, the second support unit 805 is used for the first support unit
803 and the weighing pot 807 be supported；Driving unit 806 is moved up and down and is rotated for the second support unit 805 of driving,
Until make weighing pot 807 with the first gas outlet of reversing valve assembly 7 is unstressed docks.
By being as above arranged, when symmetrical measuring tank 807 is inflated, weighing pot 807 is first fixed on the first support unit
On 803, the first support unit 803 is transmitted to by 805 top of the second support unit by transmission unit 804.Pass through driving unit
806 the second support units 805 of driving rise, to be supported to the first support unit 803 and weighing pot 807.It is single by driving
Member 806 drives the rotation of the second support unit 805, until keeping weighing pot 807 and the first gas outlet of reversing valve assembly 7 unstressed right
It connects, and passes through flanged joint.And when weighing pot 807 starts inflation, timer 12 is set to start timing, and and to weighing pot
When 807 stopping inflation, timer 12 is made to stop timing.
After inflation, drive the second support unit 805 mobile by driving unit 806, make on weighing pot 807 with
First gas outlet of reversing valve assembly 7 separates.The decline of the second support unit 805 is driven by driving unit 806, makes first
Support unit 803 is located on transmission unit 804.First support unit 803 is transmitted to transmission unit 804 by transmission unit 804
First end, and weighing pot 807 and the first support unit 803 are placed on balance 801, by adjusting counterweight 810, weighing
Natural gas in tank 807 is weighed.
Wherein, when weighing, after weighing pot 807 and the first support unit 803 are placed on balance 801, balance 801 is by power
Sequentially it is transferred to support shaft 8021, vertical force transmission element 8022, lower support shaft 8023.Due to upper support shaft 8021, vertical power transmission
Part 8022, lower support shaft 8023 are from top to bottom sequentially flexibly connected, conducive to the gravity of balance 801 is fallen in support component 802
Same supporting point on, and then be conducive to balance 801 to the pressure direction of supporting point and the center of gravity line keeping parallelism of counterweight 810, have
Help accurately weigh, reduces the uncertainty of mass measurement.
Wherein, in the utility model embodiment, balance 801 can be equal-arm balance 801, such 801 working principle of balance is adopted
It is weighed with method of substitution.
In the utility model embodiment, vertical force transmission element 8022202 can be set to diversified forms.In view of passing vertically
The features such as power part 8022202 remains unchanged the position of the supporting point of balance 8011 and structure is simple, provides following example:
As an example, as shown in Fig. 10, vertical force transmission element 8022 includes: that shell 8022a and diameter are equal
First sphere 8022b, three the second sphere 8022c and third sphere 8022d；First sphere 8022b, the second sphere 8022c,
Third sphere 8022d2024 can be rotated but not be set to rollably in shell 8022a；Three the second sphere 8022c are same
Tangent setting on one horizontal plane；First sphere 8022b and third sphere 8022d are relatively arranged on three the second spheres respectively
Above and below 8022c, and line institute shape between the centre of sphere of the first sphere 8022b and the centre of sphere of three the second sphere 8022c
At angle be 120 ° (referring to attached drawings 11).The lower end of upper support shaft 8021 is set as the first concave surface, the first sphere 8022b
It is rotationally limited in the first concave surface；The upper end of lower support shaft 8023 is set as the second concave surface, and third sphere 8022d can turn
It is limited in the second concave surface dynamicly.
It is understood that since the centre of sphere of the first sphere 8022b is respectively between the centre of sphere of three the second sphere 8022c
Line be respectively formed 120 ° of angle, so, the first sphere 8022b be located at center between three the second sphere 8022c just on
Side, third sphere 8022d are located at the underface at center between three the second sphere 8022c.
It should be noted that upper support shaft 8021, the first sphere 8022b, third sphere 8022d, lower support shaft 8023
Center of gravity is on same vertical line.
In attached drawing 12, Q1, Q2 and Q3 respectively indicate the centre of sphere (center of gravity) of three the second sphere 8022d.By three centre ofs sphere
Connection one triangle of composition, since the diameter of three the second sphere 8022d is equal, the tangent setting in same level, institute
It is 120 ° with angle formed by, center between three the second sphere 8022d respectively line between three centre ofs sphere.
By being as above arranged, when carrying weighing pot 807 on balance 801, power is transferred to balance 801, day by weighing pot 807
Power F is transferred to upper support shaft 8021 by flat 801.Since the first sphere 8022b can be rotated, but not roll, and be limited in
In first concave surface of 8021 lower end of support shaft, so, upper support shaft 8021 can be stable by power and be transferred to the along the vertical direction
On one sphere 8022b.Force analysis between first sphere 8022b and three the second sphere 8022c is as shown in Fig. 13, when
When one sphere 8022b is by the pressure F vertically downward of balance 801, three the second sphere 8022c will be identical by size respectively
Power F1, F2 and F3.By the stress conduction between three the second sphere 8022c, as shown in Fig. 14, three the second spheres
Identical power F1, F2 of size and F3 are transferred to third sphere 8022d respectively by 8022c, and third sphere 8022d is similarly subjected to
Downward power F.Since third sphere 8022d can be rotated, but not roll, and be limited in the second of lower 8023 upper end of support shaft
In concave surface, so, third sphere 8022d can be stable by power F and be transferred on third sphere 8022d along the vertical direction.Due to
First sphere 8022b, the second sphere 8022c, third sphere 8022d are rotatable, but not roll, and be transferred to support
Power on axis 8021 and lower support shaft 8023 along the vertical direction so that the support component 802 protects the supporting point of balance 801
It holds constant.The structure of above-mentioned support component 802 is simple, is easy setting.
As an example, the first sphere 8022b, the second sphere 8022c, third sphere 8022d can pass through limit
Part is limited in shell 8022a, avoids occurring to roll and shift.Specifically, locating part can be gag lever post, one end of gag lever post
It rotationally penetrates in the first sphere 8022b or the second sphere 8022c or third sphere 8022d, the other end of gag lever post is fixed
In in shell 8022a.
By being as above arranged, the first sphere 8022b, the second sphere 8022c, third sphere 8022d can not only be made to turn
It is dynamic, it will not also shift.
Wherein, the first sphere 8022b, the second sphere 8022c, third sphere 8022d diameter can not also wait.In addition,
First sphere 8022b, the second sphere 8022c, third sphere 8022d are rigid spheres, will not be deformed because of mutual collision.
As described above, the upper end of upper support shaft 8021 is connect with the lower end of balance 801.For example, when upper support shaft
When 8021 upper end is connect with the middle part of 801 lower end of balance, which is equal-arm balance 801.It is upper when upper support shaft 8021
When end is connect with the two sides of 801 lower end of balance, which is unequal arm balance 801.Upper support shaft 8021 and balance 801
It can also be attached by the way of connection living between lower end.
In view of the power transmission effect between upper support shaft 8021 and the first sphere 8022b is good, lower support shaft 8023 and third
Power transmission effect between sphere 8022d is good, and as an example, the first sphere 8022b is limited in small in size in the first concave surface
In 1/3 volume of the first sphere 8022b；Third sphere 8022d is limited in the volume in the second concave surface less than third sphere 8022d
1/3 volume.
In order to increase the support effect of lower support shaft 8023, as shown in Fig. 10, title provided by the embodiment of the utility model
Measure device 8 further include: reinforcer 8024；One end of reinforcer 8024 is flexibly connected with the lower end of shell 8022a, and the other end is under
The side wall of support shaft 8023 connects.
Reinforcer 8024 can play support housing 8022a, the first sphere 8022b, the second sphere 8022c, third sphere
The effect of 8022d.By being flexibly connected one end of reinforcer 8024 and the lower end of shell 8022a, buffer function can be played.
Specifically, one end of reinforcer 8024 can be flexibly connected by ball stud with the lower end of shell 8022a.
As an example, the number of reinforcer 8024 can be set multiple, such as three, along lower support shaft 8023
Circumferentially it is uniformly arranged.
Reinforcer 8024 can be easy to obtain with structure in the shape of a rod, the reinforcer 8024 of rod-like structure.
In view of that the first sphere 8022b, the second sphere 8022c, third sphere 8022d easily can be set to shell
In 8022a, as shown in Fig. 8, the upper end of shell 8022a is detachably provided with top cover 8022e, and upper support shaft 8021 passes through top
Cover 8022e.Wherein, top cover 8022e can be flange.
The structure of shell 8022a can be set to a variety of, for example, the outer profile of shell 8022a can be in the form of a column, is square
The structures such as body, hexagonal prisms.Likewise, the outer profile of upper support shaft 8021 and lower support shaft 8023 can also be in the form of a column, is rectangular
The structures such as body, hexagonal prisms.
The inclination of wide-angle will not occur in support component 802 for balance 801 in order to prevent, or even overturn, weighing dress
Set 8 further include: locating part, locating part is for limiting balance 801.Specifically, locating part can be limit switch.
As an example, support component 802 can be freely lifted.Before gas weighing, adjustment balance is first had to
801, so that balance 801 is in normal working condition, i.e., when not weighing, adjustment balance 801 is balanced.It is balanced in adjustment balance 801
In the process, balance 801 can not be contacted with support component 802.Balance 801 can be limited by locating part, make balance
801 do not generate and significantly tilt.Balance 801 is balanced by addition counterweight 810 or by the effect of electromagnetic force, works as balance
After 801 reach balance, support component 802 is risen to support balance 801, the weighing state of balance 801 is reached.In balance 801
It when being weighed, is fallen in conducive to balance 801 on the same supporting point of 802 center of gravity of support component, and is conducive to 801 pairs of branch of balance
The center of gravity line keeping parallelism that the pressure direction of support point is linked up with balance 801 is conducive to the accurate and reliable of meausring apparatus 8, reduces matter
Amount-Time Method measurement uncertainty.
In the utility model embodiment, support component 802 can be adapted for the accurate weighing of gas, be particularly suitable for day
Right gas weighs.The support component 802 can support equal-arm balance 801, be particularly suitable for supporting double tank equiarm balance,electromagnetics 801.
As an example, it is supported in meausring apparatus 8 using support component 802 in the simple standard set-up of the natural gas
When double tank equiarm balance,electromagnetics 801 measure, uncertainty can reach 1g, and minimum resolution can reach 0.1g, can
Be conducive to uncertainty of measurement reduction.
In the utility model embodiment, the first support unit 803 can be set to various structures, such as it can be set
For platform structure, so that weighing pot 807 is fixed on its top surface.
As an example, the first support unit 803 is moveable trolley.So set, so that the first support is single
Member 803 can move on transmission unit 804.The mobile motor of driving trolley can be set on trolley.
Transmission unit 804 can be set to diversified forms, based on structure it is simple, under the premise of facilitating transmission, provide with
A kind of lower example, as shown in attached drawing 15, attached drawing 16, transmission unit 804 includes: two sliding rails being oppositely arranged, and the second support is single
Member 805 is set between two sliding rails；The bottom surface of first support unit 803 is provided with two sliding slots；Sliding slot is slideably set with
On the slide rail.
By sliding sliding slot on the slide rail, it can be achieved that sliding of first support unit 803 on transmission unit 804.And
And when the first support unit 803 is transmitted to second end by the first end of transmission unit 804, pass through the control of driving unit 806 the
Two support units 805 rise, and the first support unit 803 and weighing pot 807 can be made to be located on the second support unit 805, and then right
First support unit 803 and weighing pot 807 are supported.
It, can be along the first support unit on sliding rail in view of the first support unit 803 can be slided easily on the slide rail
Multiple pulleys are arranged in 803 glide direction interval.
The structure of above-mentioned transmission unit 804 is simple, can be easily implemented the first support unit 803 in transmission unit 8044
On sliding.
Specifically, the power of 803 forward slip of the first support unit can be given by external force.
Further, it is contemplated that the first support unit 803 can be slided easily on transmission unit 804, transmission unit
804 are tilted gradually downward by its first end to second end, so that the first support unit 803 is under self gravitation effect, are being passed
It is slided on defeated unit 804.
Above-mentioned to refer to, the second support unit 805 can be achieved to move down under the driving effect of driving unit 806.Second
Support unit 805 can be set to various structures, and being based on, structure is simple, and in view of the second support unit 805 can finely tune
The position of first support unit 803 and weighing pot 807 disposed thereon, provides following example:
As shown in attached drawing 17, attached drawing 18, the second support unit 805 includes: support platform 8051 and multiple 4th spheres
8052；It is provided with multiple cambered surface groove 8051a on the top surface of support platform 8051, is arranged on the bottom surface of the first support unit 803
There is limiting slot 8031, the 4th sphere 8052 is rollably located in cambered surface groove 8051a and limiting slot 8031 simultaneously.
By being as above arranged, when the second support unit 805 rotates under the driving effect of driving unit 806, due to
The gravity of one support unit 803 and weighing pot 807 glances off, so that the stress of the 4th sphere 8052 changes, Jin Er
Four spheres 8052 roll in cambered surface groove 8051a to suitable position.Again due to being provided on the bottom surface of the first support unit 803
Limiting slot 8031, limiting slot 8031 adjusts position as the 4th sphere 8052 rolls, and then realizes to the first support unit
803 and weighing pot 807 fine tuning.
For example, the second support unit 805 includes at least three the 4th isometrical spheres 8052, three the 4th spheres
8052, which are triangularly arranged, is laid in support platform 8051.Correspondingly, the limiting slot on the bottom surface of the first support unit 803
8031 can be the triangle limiting slot 8031 that can accommodate three the 4th spheres 8052, or with cambered surface groove 8051a
Mutually isostructural limiting slot 8031.
The structure alternatively, support platform 8051 is square is respectively arranged with one at four angles on the top surface of support platform 8051
A cambered surface groove 8051a.Correspondingly, the limiting slot 8031 on the bottom surface of the first support unit 803 can be that can accommodate four
The quadrangle limiting slot 8031 of 4th sphere 8052, or with the isostructural limiting slot 8031 of cambered surface groove 8051a phase.
It, can be recessed in cambered surface by adjusting the 4th sphere 8052 when needing to be finely adjusted its spatial position when weighing pot 807 is uneven
Position in slot 8051a is realized.
As an example, the 4th sphere 8052 can be rigid spheres.
Pass through the position of driving unit 806 and the 4th sphere 8052 cooperation the first support unit 803 and weighing pot 807 of adjustment
It sets, can make accurately seamless and unstressed dock with reversing valve assembly 7 on weighing pot 807.
As an example, the depth of cambered surface groove 8051a is 1/3~2/3 times of 8052 diameter of the 4th sphere.Citing comes
It says, the depth of cambered surface groove 8051a is 1/3 times, 1/2 times, 2/3 times etc. of 8052 diameter of the 4th sphere.Cambered surface groove 8051a
Radian can be 1 °~10 °, such as can be 1 °, 2 °, 3 °, 4 °, 5 °, 6 °, 7 °, 8 °, 9 °, 10 ° etc..
So set, the 4th sphere 8052 can not only be made to be detached from cambered surface groove 8051a, first can also be precisely adjusted
The position of support unit 803 and weighing pot 807.
Above-mentioned to refer to, driving unit 806 drives the second support unit 805 to move up and down and rotate.Wherein, driving unit
806 can be set to diversified forms, and under the premise of based on setting is easy, provide a kind of following example: driving unit 806 is wrapped
It includes: the first drive module, the second drive module, third drive module；First drive module is for driving the second support unit 805
It moves up and down；Second drive module is for driving the second support unit 805 to be rotated in a first direction, first direction are as follows: transmission is single
Member 804 transmits the direction of the first support unit 803；Third drive module is for driving the second support unit 805 in a second direction
Rotation, second direction are as follows: the direction vertical with first direction.
Can realize that the second support unit 805 of driving moves up and down by the first drive module, by the second drive module and
The mating reaction of third drive module, it can be achieved that the second support unit 805 of driving along the longitudinal direction with the rotation of left and right directions.
First drive module, the second drive module, third drive module all can be electric pushrod, with can be realized top draw
Second support unit 805.First drive module, the second drive module can also include that can be realized torsion in third drive module
The top pull rod of the first support unit 803 is drawn on dynamic top, so that the second support unit 805 being capable of 360 ° of rotations in a horizontal plane.
As an example, the second support unit 805 is in rectangular configuration, and the four corners of lower end are respectively arranged with an electricity
Dynamic push-pull rod.By making two opposite the second support units of electric push rod top 805, remaining two electric push rods draw the
Two support units 805, it can be achieved that the second support unit 805 rotation.Second is pushed up simultaneously by four electric push rods of control
Unit 805 is supportted, so that the second support unit 805 rises.The second support unit is drawn simultaneously by four electric push rods of control
805, so that the second support unit 805 declines.
As an example, the second support unit 805 is 0 °~7.5 ° in the angle that vertical direction rotates, such as can be
0 °, 1 °, 2 °, 3 °, 4 °, 5 °, 6 °, 7.5 ° etc..
So set, the first support unit 803 and weighing pot 807 that can be avoided on the second support unit 805 exist
When inclination, the second support unit 805 is detached from due to self gravitation effect.
In view of that the first support unit 803 and weighing pot 807 easily can be placed in the upper of the second support unit 805
Side, meausring apparatus 8 provided by the embodiment of the utility model further include: auxiliary drive unit, auxiliary drive unit is for driving the
One support unit 803 moves up and down (attached to be not shown in the figure).
Wherein, auxiliary drive unit can be electric push rod, draw the first support unit 803 by electric push rod top,
Moving up and down for the first support unit 803 can be achieved.
Auxiliary drive unit can be set on the first support unit 803, also can be set in transmission unit 804
One end.
It is being based on the structure statement of account, under the premise of preparing, in the utility model embodiment, the temperature humidity regulating device
It include: thermostat unit, humidity adjustment unit, blowing unit, rectification unit and air exhaust units；Thermostat unit is for adjusting
Temperature in whole balance room 808；Humidity adjustment unit is used to adjust the humidity in balance room 808；Rectification unit is set to balance
The side wall or/and roof of room 808；Blowing unit passes through rectification unit input air into balance room 808；Air exhaust units are set to
On the bottom wall of balance room 808, air exhaust units are used for the air being discharged in balance room 808.
Wherein, thermostat unit can include: setting and the temperature sensor in balance room 808；With temperature sensor electricity
First controller of connection；Heater, the refrigerator being electrically connected with the controller；Temperature sensor is for obtaining in balance room 808
Temperature information, and temperature information is transmitted to the first controller；First controller controls heater, system according to temperature information
The Push And Release of cooler.
Electric heater may include the level-one electric heater of coarse adjustment and the second level electric heater of fine tuning, can be to balance room 808
Interior temperature is accurately controlled.
In addition, the first controller can be PLC control cabinet (PLC technology cabinet).
Humidity adjustment unit can include: setting and the humidity sensor in balance room 808；It is electrically connected with humidity sensor
Second controller；Humidifier, the filter being electrically connected with second controller；Humidity sensor is for obtaining in balance room 808
Humidity information, and humidity information is transmitted to second controller；Second controller according to temperature information, control humidifier open with
It closes；Filter is for the impurity in water used in humidifier.
Wherein, humidifier can be electric heating humidifier.
In addition, second controller can be PLC control cabinet (PLC technology cabinet).
The utility model embodiment provides two kinds of examples with regard to the structure of rectification unit, it may include multiple microporous pipelines, and it is more
A microporous pipeline is evenly distributed on the side wall or/and roof of balance room 808, or is arranged to the plate with multiple rectification holes
Structure, multiple rectification holes are uniformly distributed.By so set, air can be made even into in balance room 808.
Above-mentioned blowing unit can be positive force feed blower.
In addition, said exhaust unit includes multiple exhaust outlets.
In addition, the wet regulating device of temperature may also include fresh air unit, fresh air unit is arranged in blowing unit and rectification unit
Between, so as to which live gas (for example, air) is sent into balance room 808.
Since weighing pot 807 is forward and backward in inflation, the variation of gas pressure, temperature will lead to the body of weighing pot 807 in tank body
Minor change occurs for product, so that weighing pot 807 changes in the forward and backward suffered aerostatic buoyancy of inflation, to the title of gaseous mass
Amount result impacts, and in order to avoid the generation of this case, the structure of the symmetrical measuring tank 807 of the utility model embodiment provides two
Kind example:
(1) plants example, and as shown in Fig. 19, weighing pot 807 includes: the first outer tank body 8071a, is arranged in the first outer tank
The first inner tank body 8072a in body 8071a；Vacuum space is provided between first outer tank body 8071a and the first inner tank body 8072a
Gap layer 8073；The first inflating port for being connected to reversing valve assembly 7 is additionally provided on the outer wall of first outer tank body 8071a
8074a, and the first inflating port 8074a passes through vacuum space gap layer 8073 and is connected to the first inner tank body 8072a；First outer tank body
The first pendant is additionally provided on 8071a, for making weighing pot 807 be suspended on balance 801.
It by being as above arranged, is filled in gas process to weighing pot 8, the first inner tank body 8072a can be because of inner inflatable
And expand, cause the volume change of the first inner tank body 8072a.Due to the first outer tank body 8071a and the first inner tank body
There is vacuum space gap layer 8073 between 8072a, which can prevent the first outer tank body 8071a by because of the first inner canister
Pressure and temperature change caused by body 8072a expansion, so that the volume of the first outer tank body 8071a will not be because of the first inner tank body
The inflation of 8072a changes, and then can avoid gas weighing pot 8 and change in the forward and backward suffered aerostatic buoyancy of inflation, protects
The accuracy weighed to gaseous mass is demonstrate,proved.
In addition, to be calculated obtain after flowing into the gas flow in weighing pot 8, the gas in weighing pot 8 need to be emptied, with
Next round gas is obtained to be filled with to the quality in weighing pot 8.According to the prior art provide weighing pot 8, to drained gas it
Afterwards, the temperature in weighing pot 8 die-offs, and can generate droplet on the outer wall of weighing pot 8.Then, it is filled with down when into weighing pot 8
When one wheel gas, the droplet on 8 outer wall of weighing pot can evaporate, and cannot accurately measure practical institute which results in balance 801 and be filled with
The quality of gas.And weighing pot 8 provided by the embodiment of the utility model, due in the first outer tank body 8071a and the first inner tank body
Vacuum space gap layer 8073 is provided between 8072a, which does not contain moisture not only, can avoid the first inner tank body
Droplet is generated on 8072a outer wall, and plays the role of insulation, and the first outer tank body 8071a internal-external temperature difference can be prevented larger,
It can prevent from generating droplet on the outer wall of the first outer tank body 8071a in turn, can guarantee that balance 801 can be measured accurately and be filled with gas
Quality.
As it can be seen that the simple standard set-up of gas flow provided by the embodiment of the utility model, by the way that weighing pot 8 is arranged to
It is followed successively by the structure of the first inner tank body 8072a, vacuum space gap layer 8073, the first outer tank body 8071a from the inside to the outside, can not only keep away
Exempt from gas weighing pot 8 to change in the forward and backward suffered aerostatic buoyancy of inflation, and can also prevent the first outer tank body 8071a's
Droplet is generated on outer wall, can guarantee that balance 801 can accurately measure the quality for being filled with gas, and then gas flow original can be improved
The accuracy that grade standard device demarcates gas flow；In addition, being convenient for will by the way that pendant is arranged on the first outer tank body 8071a
Weighing pot 8 is suspended on the crossbeam of balance 801.
The service life of weighing pot 807 is influenced in order to avoid moisture corrosion the first outer tank body 8071a in air, this is practical new
In type embodiment, the first erosion resistant coating 8077 is coated on the outer wall of the first outer tank body 8071a.
By being as above arranged, moisture corrosion the first outer tank body 8071a in air not only can avoid, but also can avoid sky
Gas enters in vacuum space gap layer 8073.
Wherein, there are many types of the first erosion resistant coating 8077, for example, can be set to polyethylene coating.Such
One erosion resistant coating 8077 is not only convenient for obtaining, and price is cheap.
It about the connection type of the first outer tank body 8071a and the first inflating port 8074a, can be set to various ways, illustrate
For, the first inflating port 8074a can be welded on the first outer tank body 8071a, be not only convenient for production, manufacture, and can keep away
Exempt from outside air to enter in vacuum space gap layer 8073.
It should be noted that the first inflating port 8074a is the tubular structure that two-port communicates.
The first inflating port 8074a based on above structure, the first inflating port 8074a and 7 flanged joint of reversing valve assembly,
Convenient for the dismounting of weighing pot 807 or reversing valve assembly 7.
Wherein, the first inflating port 8074a, compatible flange is installed on reversing valve assembly 7.
Similarly, in order to avoid the air in the first inner tank body 8072a enters in vacuum space gap layer 8073, the utility model
In embodiment, as shown in Fig. 19, the first sealing is provided between the first inflating port 8074a and the first inner tank body 8072a
Part 8078.
Wherein, which can be rubber seal.
In addition, the mounting means about first seal 8078, can be pasted onto the first inflating port for first seal 8078
On 8074a.For example, annular groove can be set on the outer wall of the first inflating port 8074a, and the first seal 8078 is pasted
In a ring groove.
As it appears from the above, for the ease of weighing pot 807 is suspended on balance 801, in the utility model embodiment, outside first
The upper body tank 8071a is provided with the first pendant, for making weighing pot 807 be suspended on balance 801.
Wherein, which can be the structures such as curved rod, arch bar.
In addition, the first pendant is welded on the first outer tank body 8071a for the ease of producing, manufacturing.
(2) plant example, and as shown in Fig. 20, weighing pot 807 includes: the second outer tank body 8071b, is arranged in the second outer tank
The second inner tank body 8072b in body 8071b；Quality benefit is provided between second outer tank body 8071b and the second inner tank body 8072b
Clearance layer 8075 is repaid, is filled inside mass compensation clearance layer 8075 equipped with flowable media；It is set on the outer wall of second outer tank body 8071b
It is equipped with the mass compensation pipe 8076 penetrated through with mass compensation clearance layer 8075, is provided with scale on mass compensation pipe 8076, and have
There is standard section product；The second inflation for being connected to reversing valve assembly 7 is additionally provided on the outer wall of second outer tank body 8071b
Mouth 8074b, and the second inflating port 8074b passes through mass compensation clearance layer 8075 and is connected to the second inner tank body 8072b；Second outer tank
It is additionally provided with pendant on body 8071b, for making weighing pot 807 be suspended on balance 801.
In the utility model embodiment, due to being formed with matter between the second outer tank body 8071b and the second inner tank body 8072b
Amount compensation clearance layer 8075, and flowable media is full of in mass compensation clearance layer 8075, i.e. flowable media is by the second outer tank
Body 8071b and the second inner tank body 8072b isolation.In the second inner tank body 8072b since the pressure and temperature that are filled with gas influence hair
When raw expansion, the flowable media of mass compensation clearance layer 8075 can be squeezed by the second inner tank body 8072b, at this time flowable media
Enter in mass compensation pipe 8076 due to being squeezed, so that the liquid level liter of the flowable media inside mass compensation pipe 8076
It is high.So as to prevent the second outer tank body 8071b to be affected when the second inner tank body 8072b expands, i.e. the second outer tank body
The pressure and the temperature of itself that 8071b is subject to can't because of the second inner tank body 8072b inflation and change, accordingly
The second outer tank body 8071b volume will not because of the second inner tank body 8072b inflation and change.
Therefore, mass compensation pipe can be determined according to the length scale on 8076 tube wall of mass compensation pipe after inflation
The final liquid level of 8076 inside flowable medias.Then it calculates initial liquid height and the second inner tank body 8072b is inflated
Difference between the final liquid level of flowable media inside mass compensation pipe 8076 afterwards, and then according to the difference and quality
The product of the standard section product of compensation pipe 8076 determines the volume variable quantity of the second inner tank body 8072b.Calculate later the product with
Sum between the orthobaric volume of second inner tank body 8072b, will be calculated and be determined as the second compensated appearance of inner tank body 8072b
Product, so as to use compensated volume to carry out gas flow measurement, is improved with realizing the cubage compensation of symmetrical measuring tank 807
The accuracy of gas flow measurement.
Wherein, the charge-air mass of weighing pot 807 can be passed through following formula and be calculated:
△ m=m1-m0-ρ×s×(l1-l0)
In above-mentioned formula:
△ m-weighing pot 807 charge-air mass, kg；
m1Quality after the inflation of-weighing pot 807, kg；
m0Quality before the inflation of-weighing pot 807, kg；
Atmospheric density around ρ-weighing pot 807, kg/m3；
S-mass compensation pipe 8076 area of section, m2；
l1Medium level in mass compensation pipe 8076 after the inflation of-weighing pot 807, m；
l0Medium level in mass compensation pipe 8076 before the inflation of-weighing pot 807, m.
For example, if the area of section of mass compensation pipe 8076 is 0.02m2, and inflate in weighing pot 807 it is forward and backward, and
Internal medium level is respectively 0mm, 370mm.In addition, weighing pot 807 inflate forward and backward quality be respectively 3102.6543kg,
3172.4252kg, and the atmospheric density outside weighing pot 807 is 1.145kg/m3.Then, title is obtained according to above-mentioned calculation formula
The charge-air mass of measuring tank 807 is m=3172.4252-3102.6543-1.145 × 0.02 △ × (0.37-0)=69.7709-
0.0085=69.762kg.
Above-mentioned mass compensation pipe 8076 can be the cylindrical tubule with standard section product, and standard section product refers to tool
There is standard specification and be the sectional area of fixed value, may be other shapes in certain practical application, such as there is standard section product
The tubule etc. of square cylinder.Wherein, the length of mass compensation pipe 8076 is L, and has upper port.
In addition, the flow media in above-mentioned mass compensation pipe 8076 can be water.
The service life of weighing pot 807 is influenced in order to avoid moisture corrosion the second outer tank body 8071b in air, this is practical new
In type embodiment, the second erosion resistant coating (not showing that in attached drawing) is coated on the outer wall of the second outer tank body 8071b.
By being as above arranged, moisture corrosion the second outer tank body 8071b in air not only can avoid, but also can avoid sky
Gas enters in clearance layer 8073.
Wherein, there are many types of the second erosion resistant coating, for example, can be set to polyethylene coating.Such is second anti-
Rotten layer is not only convenient for obtaining, and price is cheap.
It about the connection type of the second outer tank body 8071b and the second inflating port 8074b, can be set to various ways, illustrate
For, inflating port can be welded on the second outer tank body 8071b, be not only convenient for production, manufacture, and can avoid outside air
It enters in clearance layer 8073.
It should be noted that the second inflating port 8074b is the tubular structure that two-port communicates.
The second inflating port 8074b based on above structure, the second inflating port 8074b and 7 flanged joint of reversing valve assembly,
Convenient for the dismounting of weighing pot 807 or reversing valve assembly 7.
Wherein, the second inflating port 8074b, compatible flange is installed on reversing valve assembly 7.
Similarly, in order to avoid the air in inner tank body 8072 enters in clearance layer 8073, in the utility model embodiment,
Second seal (not showing that in attached drawing) is provided between inflating port and the inner tank body 8072.
Wherein, which can be rubber seal.
In addition, second seal, can be pasted on the second inflating port 8074b by the mounting means about second seal.
For example, annular groove can be set on the outer wall of the second inflating port 8074b, and the second seal is pasted in a ring groove.
As it appears from the above, for the ease of weighing pot 807 is suspended on balance 801, in the utility model embodiment, outside second
The second pendant is provided on tank body 8071b, for making weighing pot 807 be suspended on balance 801.
Wherein, which can be the structures such as curved rod, arch bar.
In addition, the second pendant is welded on the second outer tank body 8071b for the ease of producing, manufacturing.
In the utility model embodiment, as shown in Fig. 21, weighing pot 807 includes: the first weighing pot 807a, the second weighing
Tank 807b；Meausring apparatus 8 further include: main line 809a, the first bye-pass 809b, the second bye-pass 809c；First bye-pass
The gas outlet of 809b and the second bye-pass 809c are connect with the first weighing pot 807a and the second weighing pot 807b respectively；First
It is provided with the first valve on pipeline 809b, is provided with the second valve on the second bye-pass 809c；Reversing valve assembly 7 is arranged in master
On pipeline 809a；Further, meausring apparatus 8 further include: skew T 809d；First bye-pass 809b and the second bye-pass
The air inlet of 809c is connect by skew T 809d with the gas outlet of main line 809a.
As it can be seen that gas can be improved by setting the first weighing pot 807a and the second weighing pot 807b in the utility model embodiment
The working efficiency of the simple modular system of body flow；In addition, by setting skew T 809d, and make the first bye-pass 809b and second
The air inlet of bye-pass 809c is connect by skew T 809d with the gas outlet of main line 809a, is shortened gas and is flowed into the first title
Path in measuring tank 807a and the second weighing pot 807b, and then the mass change of gas in additional line is reduced, reduce title
Measure the uncertainty of result.
Wherein it is possible to telescopic joint be arranged on the first bye-pass 809b and the second bye-pass 809c, and in the first weighing pot
The bottom end setting track of 807a, the second weighing pot 807b, to adjust the first weighing pot 807a, the second weighing pot 807b at any time
The distance between skew T 809d, shortens the path of additional line, further decreases the uncertain of subsequent gases weighing result
Degree.
In order to further decrease the mass change of gas in additional line, the uncertainty of weighing result, main line are reduced
809a forms the first angle after connecting with the first bye-pass 809b, first angle be 100 °~170 ° (such as 120 °, 127.5 °,
150 ° etc.).Main line 809a forms the second angle after connecting with the second bye-pass 809c, the second angle is 100 °~170 °
(such as 120 °, 127.5 °, 150 °).
It should be noted that the first nozzle being connected in skew T 809d with main line 809a, and with the first bye-pass
Angle between second nozzle of 809b connection is identical as the first angle；In addition, connecting in skew T 809d with main line 809a
The first logical nozzle, and the angle between the third nozzle of the second bye-pass 809c connection are identical as the second angle.
Wherein, the degree of the first angle and the second angle can be consistent.
For the ease of being weighed after to the first weighing pot 807a, the second weighing pot 807b inflation to it, such as attached drawing 21
It is shown, in the utility model embodiment, the third valve being detachably connected, the second bye-pass are provided on the first bye-pass 809b
The 4th valve being detachably connected is provided on 809c.
Specifically, the first valve and third valve are closed after to the first weighing pot 807a inflation, and by the first valve and
The separation of third valve, can disassemble the first weighing pot 807a, while guarantee the entrance of the first weighing pot 807a, Yi Ji
The outlet of one bye-pass 809b keeps sealed condition.Similarly, to the second weighing pot 807b inflation after, close the second valve and
4th valve, and the second valve and the 4th valve are separated, the second weighing pot 807b can be disassembled, while guaranteeing second
The outlet of the entrance of weighing pot 807b and the second bye-pass 809c keep sealed condition.
Wherein, the first valve and third valve can pass through method by flanged joint, the second valve and the 4th valve
Orchid connection.In addition above-mentioned first valve, the second valve, third valve, the 4th valve can be set to ball valve.
In the utility model embodiment, as shown in Fig. 21, reversing valve assembly 7 includes: air inlet and calibrating gas stream
Meter connection, exports the 7th solenoid valve 701 being connected to the air inlet of main line 809a；Air inlet and calibrating gas flowmeter connect
It is logical, export the 8th solenoid valve 702 being connected to low pressure caisson 9；It is electrically connected with the 7th solenoid valve 701, the 8th solenoid valve 702
Third controller, third controller for control the 7th solenoid valve 701,702 Push And Release of the 8th solenoid valve；With the 7th solenoid valve
The timer 12 of 701 electrical connections, for obtaining the Lifetime of the 7th solenoid valve 701.
It is understood that the gas outlet of the 7th solenoid valve 701 is the first gas outlet of reversing valve assembly 7, the second electromagnetism
The gas outlet of valve 3012 is the second gas outlet of reversing valve assembly 7.
By being as above arranged, after the gas flow to be detected for flowing through proving flowmeter 6 is stablized, closed using third controller
The 8th solenoid valve 702 is closed, the 7th solenoid valve 701 is opened, so that gas to be detected flows into the first weighing pot 807a or second and claims
In measuring tank 807b, and start timing using timer 12 simultaneously.To the first weighing pot 807a or the second weighing pot 807b inflation knot
Shu Hou opens the 8th solenoid valve 702 using third controller, closes the 7th solenoid valve 701, and timer 12 is made to stop meter simultaneously
When, and then obtain the Lifetime of the 7th solenoid valve 701.Later, by the first weighing pot 807a or the second weighing pot after inflation
807b is moved on the balance 801 of meausring apparatus 8, is weighed to the quality of the first weighing pot 807a or the second weighing pot 807b,
And the Lifetime of the 7th solenoid valve 701 according to acquired in timer 12, calculate the real gas for flowing through proving flowmeter 6
Flow.
Wherein, third controller can be PLC control cabinet (PLC technology cabinet).
In the utility model embodiment, supercharging device 2 includes an at least centrifugal gas compressor.In practical application
In, the type of centrifugal gas compressor can be selected according to the discharge capacity of the volume calculations centrifugal compressor of high-pressure gas device 3
Number；In addition, of centrifugal gas compressor can be selected according to the detectable gas discharge size of standard natural gas flowmeter 6
Number, to meet pressurization time and maximize the needs of saving operating cost.
As described above, thermostat 5 is used to keep the temperature of gas to be detected identical as the operating temperature of proving flowmeter 6,
In the utility model embodiment, thermostat 5 can be shell-and-tube heat exchanger.Wherein, tube side import Yu the pressure regulation dress of thermostat 5
4 gas outlet connection is set, tube side outlet is connected to proving flowmeter 6；The shell side import of thermostat 5 is connected to cooling water source,
Shell-side outlet is for discharging cooling water.
In the utility model embodiment, proving flowmeter 6 can be Venturi flowmeter, such flowmeter has measurement accurate
High, the high feature of stability.
In addition, recycled to improve to low-pressure gas in the utility model embodiment, with save operation at
This, as shown in attached drawing 1, attached drawing 2, in the utility model embodiment, the outlet of low pressure caisson 9 and the import of low-pressure gas source 1
Connection.
As shown in attached drawing 1, attached drawing 2, in the utility model embodiment, it is arranged between thermostat 5 and proving flowmeter 6
There is gas composition analysis device 13.By so set, can measure the content of the harmful substance in gas to be detected, and then can sentence
It dies the treatment effect of road anti-corrosive apparatus 10, gas circuit anti-corrosive apparatus 10 can be replaced in time, repaired.
Wherein, gas composition analysis device 13 can be natural gas chromatograph.
In conclusion the simple modular system of gas flow provided by the embodiment of the utility model can drop uncertainty of measurement
Down to 0.05%~0.076%, for example, can by the pressure limit of gas to be detected be 0.3MPa~2.0MPa, 2.0MPa~
The uncertainty of measurement of 6.0MPa is reduced to 0.07% and 0.05% or less respectively.
All the above alternatives can form the alternative embodiment of the disclosure, herein no longer using any combination
It repeats one by one.
The foregoing is merely the illustrative embodiments of the utility model, the protection model that is not intended to limit the utility model
It encloses, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection scope of utility model.
Claims (11)
1. a kind of simple modular system of gas flow, which is characterized in that the simple modular system of gas flow includes: sequentially to connect
Logical low-pressure gas source (1), supercharging device (2), high-pressure gas device (3), regulator (4), thermostat (5), normal flow
Count (6), reversing valve assembly (7), and the meausring apparatus (8) being connected to the first gas outlet of the reversing valve assembly (7) and institute
State the low pressure caisson (9) of the second gas outlet connection of reversing valve assembly (7)；
The simple modular system of gas flow further include: be set to the low-pressure gas source (1) and the supercharging device (2) it
Between or the gas circuit anti-corrosive apparatus (10) between the supercharging device (2) and the high-pressure gas device (3), the gas circuit it is anti-
Rotten device (10) is used to remove sulphur, moisture and the solid particle in gas to be detected；
Export the fluid path anti-corrosive apparatus (11) being connected to respectively with the supercharging device (2), the thermostat (5), the fluid path
Anti-corrosive apparatus (11), which is used to remove, flows into the supercharging device (2), the non-inert in the cooling water in the thermostat (5)
Gas；
The timer (12) being set on the reversing valve assembly (7), for obtaining the inflationtime of the meausring apparatus (8)；
The temperature humidity regulating device being set in the balance room (808) of the meausring apparatus (8), for adjusting the balance room
(808) temperature, humidity in.
2. the simple modular system of gas flow according to claim 1, which is characterized in that the high-pressure gas device (3)
It include: that import is connected to the supercharging device (2) or the gas circuit anti-corrosive apparatus (10), outlet connects with the regulator (4)
The first logical high-pressure gas unit (301), the import and export of the first high-pressure gas unit (301) are respectively arranged with the first electricity
Magnet valve (3011), second solenoid valve (3012), and first pressure sensing is additionally provided on the first high-pressure gas unit (301)
Device (3013)；
Import is connected to the supercharging device (2) or the gas circuit anti-corrosive apparatus (10), and outlet is connected to the regulator (4)
The second high-pressure gas unit (302), the import and export of the second high-pressure gas unit (302) is respectively arranged with third electromagnetism
Valve (3021), the 4th solenoid valve (3022), and second pressure sensor is additionally provided on the second high-pressure gas unit (302)
(3023)；
It is electrically connected with first solenoid valve (3011), the 4th solenoid valve (3022), the first pressure sensor (3013)
The first air valve controller (303) connect, for receiving first high pressure storage of the first pressure sensor (3013) transmitting
The gas pressure information of gas unit (301), and institute is controlled according to the gas pressure information of the first high-pressure gas unit (301)
State the Push And Release of the first solenoid valve (3011), the 4th solenoid valve (3022)；
It is electrically connected with the second solenoid valve (3012), the third solenoid valve (3021), the second pressure sensor (3023)
The second air valve controller (304) connect, for receiving second high pressure storage of second pressure sensor (3023) transmitting
The gas pressure information of gas unit (302), and institute is controlled according to the gas pressure information of the second high-pressure gas unit (302)
State the Push And Release of second solenoid valve (3012), the third solenoid valve (3021).
3. the simple modular system of gas flow according to claim 2, which is characterized in that the regulator (4) includes:
Import is connected to the high-pressure gas device (3), exports the tank body (401) being connected to the thermostat (5)；
The third pressure sensor (4011) being arranged on the tank body (401)；
The 5th solenoid valve (4012) being arranged at the drain of the tank body (401), the 5th solenoid valve (4012) are used for
Discharge the pressurized gas to be detected in the tank body (401)；
The 6th solenoid valve (4013) in the exit of the tank body (401) is set；
Respectively with the third pressure sensor (4011), the 5th solenoid valve (4012), the 6th solenoid valve (4013)
Third air valve controller (402), the gas of the tank body (401) for receiving the third pressure sensor (4011) transmitting
Body pressure information, and the 5th solenoid valve (4012), the described 6th are controlled according to the gas pressure information of the tank body (401)
The Push And Release of solenoid valve (4013).
4. the simple modular system of gas flow according to claim 1, which is characterized in that the gas circuit anti-corrosive apparatus (10)
It include: desulfurization unit (1001), buffer cell (1002), the dewatering unit (1003), filter element being sequentially connected to by pipeline
(1004)；
The desulfurization unit (1001) is connected to the low-pressure gas source (1) or the supercharging device (2), described to be checked for removing
Survey the sulphur in gas；
The dewatering unit (1003) is for passing through the gas to be detected after desulfurization from top to bottom, after adsorbing the desulfurization
Moisture in gas to be detected；
The filter element (1004) goes a part for the solid particle in the gas to be detected after removing abjection moisture
Except the gas to be detected after solid particle is delivered in the supercharging device (2) or the high-pressure gas device (3)；
The gas circuit anti-corrosive apparatus (10) further include: be set to the filter element (1004) and the dewatering unit (1003) it
Between heating unit (1005) and the condensing unit (1006) that is connected to the dewatering unit (1003)；
The heating unit (1005) is used to the gas to be detected after another part removal solid particle being heated to first to preset
Temperature, and the gas to be detected after heating is made to pass through the dewatering unit (1003) from the bottom to top, to parse the dewatering unit
(1003) adsorbed moisture；
Generated moisture cools down when the condensing unit (1006) is for parsing the dewatering unit (1003), to divide
Gas to be detected after removing solid particle from described another part.
5. the simple modular system of gas flow according to claim 1, which is characterized in that the fluid path anti-corrosive apparatus (11)
It include: water cell (1101), suction unit (1102), expiration unit (1103), inert gas feed unit (1104)；
Inlet and outlet are provided on the water cell (1101), and the water outlet of the water cell (1101) is simultaneously
It is connected to the supercharging device (2), the thermostat (5)；
The suction unit (1102) and the expiration unit (1103) are connected to the roof of the water cell (1101), and
The suction unit (1102) is connected to the inert gas feed unit (1104)；
Non-inert gas in the water cell (1101) is discharged by the expiration unit (1103).
6. the simple modular system of gas flow according to claim 1, which is characterized in that the meausring apparatus (8) includes:
Balance (801), the first support unit (803), transmission unit (804), the second support unit (805), drives at support component (802)
Moving cell (806), counterweight (810), weighing pot (807) and balance room (808)；
The balance (801), the support component (802), the counterweight (810) and the weighing pot (807) are respectively positioned on institute
It states in balance room (808)；
The support component (802) include: from top to bottom sequentially connected upper support shaft (8021), vertical force transmission element (8022),
Lower support shaft (8023)；
The upper support shaft (8021) connect with the lower end of the balance (801), the upper end of the vertical force transmission element (8022) and
Lower end is flexibly connected with the upper end of the lower end of the upper support shaft (8021) and the lower support shaft (8023) respectively；
The counterweight (810) is used for and the balance (801) cooperation weighs the weighing pot (807)；
First support unit (803) and second support unit (805) are respectively arranged at the transmission unit (804)
First end and second end, the first end of the transmission unit (804) close to the balance (801), the transmission unit (804)
Second end is close to the reversing valve assembly (7)；
For first support unit (803) for carrying the weighing pot (807), the transmission unit (804) is used for will be described
First support unit (803) and the weighing pot (807) are transmitted to the upper end of second support unit (805), and described second
Support unit (805) is for being supported first support unit (803) and the weighing pot (807)；
The driving unit (806) is for driving second support unit (805) to move up and down and rotate, until making the title
Measuring tank (807) with the first gas outlet of the reversing valve assembly (7) is unstressed docks.
7. the simple modular system of gas flow according to claim 1, which is characterized in that the temperature humidity regulating device
It include: thermostat unit, humidity adjustment unit, blowing unit, rectification unit and air exhaust units；
The thermostat unit is used to adjust the temperature in the balance room (808)；
The humidity adjustment unit is used to adjust the humidity in the balance room (808)；
The rectification unit is set on the side wall or/and roof of the balance room (808)；
The blowing unit is used to pass through the rectification unit to the balance room (808) interior input air；
The air exhaust units are set on the bottom wall of the balance room (808), and the air exhaust units are for being discharged the balance room
(808) air in.
8. the simple modular system of gas flow according to claim 6, which is characterized in that the weighing pot (807) includes:
First outer tank body (8071a), the first inner tank body (8072a) being arranged in first outer tank body (8071a)；
Vacuum space gap layer (8073) are provided between first outer tank body (8071a) and first inner tank body (8072a)；
The first inflation for being connected to the reversing valve assembly (7) is provided on the outer wall of first outer tank body (8071a)
Mouth (8074a), and first inflating port (8074a) passes through the vacuum space gap layer (8073) and first inner tank body
(8072a) connection；
It is additionally provided with the first pendant on first outer tank body (8071a), it is described for being suspended on the weighing pot (807)
On balance (801).
9. the simple modular system of gas flow according to claim 8, which is characterized in that the weighing pot (807) includes:
Second outer tank body (8071b), the second inner tank body (8072b) being arranged in second outer tank body (8071b)；
Mass compensation clearance layer is provided between second outer tank body (8071b) and second inner tank body (8072b)
(8075), it fills inside the mass compensation clearance layer (8075) equipped with flowable media；
It is provided on the outer wall of second outer tank body (8071b) and is mended with the quality of the mass compensation clearance layer (8075) perforation
It repays pipe (8076), scale is provided on the mass compensation pipe (8076), and there is standard section product；
Second for being connected to the reversing valve assembly (7) is additionally provided on the outer wall of second outer tank body (8071b) to fill
Port (8074b), and second inflating port (8074b) passes through the mass compensation clearance layer (8075) and second inner canister
Body (8072b) connection；
It is additionally provided with the second pendant on second outer tank body (8071b), for making the weighing pot (807) be suspended on the day
On flat (801).
10. the simple modular system of gas flow according to claim 6, which is characterized in that weighing pot (807) packet
It includes: the first weighing pot (807a), the second weighing pot (807b)；
The meausring apparatus (8) further include: main line (809a), the first bye-pass (809b), the second bye-pass (809c)；
The gas outlet of first bye-pass (809b) and second bye-pass (809c) respectively with first weighing pot
The connection of (807a) and second weighing pot (807b)；
It is provided with dismountable first valve on first bye-pass (809b), is arranged on second bye-pass (809c)
Two valves；
The reversing valve assembly (7) is arranged on main line (809a)；
The meausring apparatus (8) further include: skew T (809d)；
The air inlet of first bye-pass (809b) and second bye-pass (809c) by the skew T (809d) with
The gas outlet of the main line (809a) connects.
11. the simple modular system of described in any item gas flows according to claim 1~10, which is characterized in that the low pressure
The outlet of caisson (9) and the inlet communication of the low-pressure gas source (1)；
And gas composition analysis device (13) are provided between the thermostat (5) and the proving flowmeter (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821371364.0U CN209197858U (en) | 2018-08-23 | 2018-08-23 | Gas flow primary standard system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821371364.0U CN209197858U (en) | 2018-08-23 | 2018-08-23 | Gas flow primary standard system |
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| CN209197858U true CN209197858U (en) | 2019-08-02 |
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ID=67405154
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110857876A (en) * | 2018-08-23 | 2020-03-03 | 中国石油天然气股份有限公司 | Gas flow primary standard system |
| CN112082610A (en) * | 2020-08-11 | 2020-12-15 | 镇江市计量检定测试中心 | Standard container constant temperature device applied to pVTt method |
| CN112444310A (en) * | 2019-08-27 | 2021-03-05 | 中国石油天然气股份有限公司 | Method and device for adjusting position of supporting point of large-tonnage balance and storage medium |
-
2018
- 2018-08-23 CN CN201821371364.0U patent/CN209197858U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110857876A (en) * | 2018-08-23 | 2020-03-03 | 中国石油天然气股份有限公司 | Gas flow primary standard system |
| CN110857876B (en) * | 2018-08-23 | 2024-07-02 | 中国石油天然气股份有限公司 | Original standard system for gas flow |
| CN112444310A (en) * | 2019-08-27 | 2021-03-05 | 中国石油天然气股份有限公司 | Method and device for adjusting position of supporting point of large-tonnage balance and storage medium |
| CN112082610A (en) * | 2020-08-11 | 2020-12-15 | 镇江市计量检定测试中心 | Standard container constant temperature device applied to pVTt method |
| CN112082610B (en) * | 2020-08-11 | 2021-04-13 | 镇江市计量检定测试中心 | Standard container constant temperature device applied to pVTt method |
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