CN107084766A - Fill ammonia metering device and fill at a slow speed ammonia and it is quick fill ammonia fill ammonia metering method - Google Patents
Fill ammonia metering device and fill at a slow speed ammonia and it is quick fill ammonia fill ammonia metering method Download PDFInfo
- Publication number
- CN107084766A CN107084766A CN201710357290.9A CN201710357290A CN107084766A CN 107084766 A CN107084766 A CN 107084766A CN 201710357290 A CN201710357290 A CN 201710357290A CN 107084766 A CN107084766 A CN 107084766A
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- Prior art keywords
- ammonia
- valve body
- gas
- fill
- tank
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 374
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 187
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000007787 solid Substances 0.000 claims abstract description 40
- 238000005273 aeration Methods 0.000 claims description 9
- 230000009467 reduction Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 241001124569 Lycaenidae Species 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000003745 diagnosis Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
- G01F1/86—Indirect mass flowmeters, e.g. measuring volume flow and density, temperature or pressure
- G01F1/88—Indirect mass flowmeters, e.g. measuring volume flow and density, temperature or pressure with differential-pressure measurement to determine the volume flow
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/07—Integration to give total flow, e.g. using mechanically-operated integrating mechanism
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Exhaust Gas After Treatment (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
Ammonia metering device is filled the invention discloses one kind, ammonia metering is filled for solid ammonia storage tank, including the first valve body being sequentially communicated, unit tank, flow harvester, second valve body, controller, first valve body is connected with source of the gas, second valve body is connected with solid ammonia storage tank, temperature sensor is provided with unit tank, throttling element is provided with flow harvester, gas temperature sensor, forefront pressure sensor and rear end pressure sensor, controller includes signal pickup assembly, arithmetic unit and control device, signal pickup assembly simultaneously and temperature sensor, gas temperature sensor, forefront pressure sensor and the connection of rear end pressure sensor signal, control device is connected with the first valve body and the second valve body.By being measured filling the ammonia stage, the quick metering for the quality that ammonia is filled in solid ammonia storage tank is realized.The invention also discloses it is a kind of based on it is above-mentioned fill ammonia metering device fill at a slow speed ammonia and it is quick fill ammonia fill ammonia metering method.
Description
Technical field
The present invention relates to measurement of gas flow technical field, more particularly to one kind fill ammonia metering device and fill at a slow speed ammonia and
That quickly fills ammonia fills ammonia metering method.
Background technology
Solid ammonia technology is active material absorption ammonia in the outer post-processing technology of in recent years emerging machine, ammonia storage tank, is heated
After can discharge ammonia, then ammonia is sprayed by spraying system SCR processing is carried out to the NOx in tail gas, so as to drop
Pollution of the pollutant to environment in low exhaust gas and the injury to human body.
, it is necessary to fill ammonia into ammonia storage tank again when ammonia in the ammonia storage tank of solid ammonia system is used up.To ammonia storage tank
Inside fill ammonia quality how much, be not only and entirely fill the basis for estimation whether ammonia process completes, also determine the continuous of ammonia storage tank
Boat ability.
At present, if wanting to determine to fill the quality of ammonia in ammonia storage tank during ammonia is filled, best bet is exactly pair
Ammonia storage tank is weighed, but be due to the volume of ammonia storage tank, quality all than larger, very big workload is brought to weighing.
Therefore, how to provide one kind and fill ammonia metering device, with realize filled in solid ammonia storage tank ammonia quality it is quick
Metering, is current those skilled in the art technical problem urgently to be resolved hurrily.
The content of the invention
In view of this, ammonia metering device is filled it is an object of the invention to provide one kind, is filled with realizing in solid ammonia storage tank
The quick metering of the quality of ammonia.Another object of the present invention is to provide a kind of based on above-mentioned to fill filling at a slow speed for ammonia metering device
Ammonia and it is quick fill ammonia fill ammonia metering method.
In order to achieve the above object, the present invention provides following technical scheme：
One kind fills ammonia metering device, and ammonia metering, including the first valve body, the unit being sequentially communicated are filled for solid ammonia storage tank
Tank, flow harvester and the second valve body, in addition to controller, wherein, the inlet end of first valve body and the source of the gas of ammonia
Connection, the outlet side of second valve body is connected with solid ammonia storage tank, and temperature sensor, the stream are provided with the unit tank
Throttling element, gas temperature sensor, forefront pressure sensor and rear end pressure sensor, the gas are provided with amount harvester
Temperature sensor and the forefront pressure sensor are arranged on the side of the throttling element and close to the source of the gas, the rear end
Pressure sensor is arranged on the opposite side of the throttling element and away from the source of the gas, the controller include signal pickup assembly,
Arithmetic unit and control device, the signal pickup assembly simultaneously with the temperature sensor, the gas temperature sensor, institute
State forefront pressure sensor and rear end pressure sensor signal connection, the control device and first valve body and described
Second valve body is connected.
It is preferred that, above-mentioned first valve body is magnetic valve.
It is preferred that, above-mentioned second valve body is magnetic valve.
The present invention also provides one kind and fills ammonia metering device, and the ammonia that fills for solid ammonia storage tank is measured, including be sequentially communicated
First valve body, unit tank and the second valve body, in addition to controller, wherein, the inlet end of first valve body and the source of the gas of ammonia
Connection, the outlet side of second valve body is connected with solid ammonia storage tank, and temperature sensor and pressure are provided with the unit tank
Sensor, the controller include signal pickup assembly, arithmetic unit and control device, the signal pickup assembly simultaneously with institute
State temperature sensor and pressure sensor signal connection, the control device and first valve body and second valve body
Connection.
It is preferred that, above-mentioned first valve body is magnetic valve, and second valve body is magnetic valve.
The present invention also provides one kind and fills ammonia metering device, and the ammonia that fills for solid ammonia storage tank is measured, including be sequentially communicated
First valve body, flow harvester and the second valve body, in addition to controller, wherein,
The inlet end of first valve body is connected with the source of the gas of ammonia, outlet side and the solid ammonia storage tank of second valve body
Connection,
Throttling element, gas temperature sensor, forefront pressure sensor and rear side pressure are provided with the flow harvester
Force snesor, the gas temperature sensor and the forefront pressure sensor are arranged on the side of the throttling element and close to institute
Source of the gas is stated, the rear end pressure sensor is arranged on the opposite side of the throttling element and away from the source of the gas,
The controller include signal pickup assembly, arithmetic unit and control device, the signal pickup assembly simultaneously with
The temperature sensor, the gas temperature sensor, the forefront pressure sensor and the rear end pressure sensor signal
Connection, the control device is connected with first valve body and second valve body.
It is preferred that, above-mentioned flow harvester is multiple and is arranged in parallel.
It is preferred that, the flow range of multiple flow harvesters is different.
The present invention also provide it is a kind of it is quick fill ammonia fill ammonia metering method, fill ammonia metering device based on above-mentioned, including：Together
When first valve body and second valve body are opened, the ammonia in the source of the gas is directly measured from source of the gas by the ammonia that fills
Device enters the solid ammonia storage tank, now calculates gas flow by the flow harvester, and ammonia flows through the flow
During the throttling element in harvester, flow velocity will form local contraction, thus flow velocity increase, static pressure at the throttling element
Reduction, then just forms pressure difference, gas flow rate is faster, pressure difference is bigger in the throttling element rear and front end, now comes according to pressure difference
Calculate flow size, the controller can by the gas temperature sensor on the flow harvester, it is described before
Side pressure force snesor and the rear end pressure sensor collecting temperature information and differential pressure information, then calculate flow value, and will
Mass value, which adds up, to be obtained filling ammonia accumulated quality.
The present invention also provide it is a kind of fill ammonia at a slow speed fill ammonia metering method, fill ammonia metering device based on above-mentioned, including：Step
Rapid 1) described unit tank aeration phase：First valve body is opened and closes second valve body by the controller, described
Ammonia in source of the gas is inflated to the unit tank, and the temperature sensor of the unit tank measures the gas in the unit tank
Temperature value, because the flow harvester is connected with the unit tank, the preceding side pressure on the flow harvester
Force snesor measures the pressure in the unit tank, when the pressure in the unit tank is identical with the pressure of the source of the gas, institute
Stating the pressure in unit tank can be tended towards stability, and the forefront pressure sensor is collected in tank after pressure numerical stability, the control
Device meeting identifying unit tank aeration phase processed terminates, and records the gas pressure value and temperature value in now unit tank, and controls to fill
Ammonia metering device enters next stage；Step 2) the unit tank releasing phase：In this stage, the controller can will be described
First valve body is closed and opens second valve body, and the ammonia in the unit tank is inflated to the solid ammonia storage tank, works as institute
State after drop of pressure to the setting value in unit tank, the controller can judge that releasing phase terminates；Step 3) flow rate calculation rank
Section：In this stage, the controller can all close first valve body and second valve body, and the controller can pass through
The change of the temperature value of gas calculates the unit in pressure difference and the unit tank before and after the unit tank releasing phase
The ammonia quality of reduction in tank, i.e., this at a slow speed inflation cycle be filled with the ammonia quality in the solid ammonia storage tank, then will meter
The ammonia quality of calculation is added in accumulated quality.
What the present invention was provided fills ammonia metering device, and ammonia metering, including first be sequentially communicated are filled for solid ammonia storage tank
Valve body, unit tank, flow harvester and the second valve body, in addition to controller, wherein, the inlet end and ammonia of first valve body
The source of the gas connection of gas, the outlet side of second valve body is connected with solid ammonia storage tank, and TEMP is provided with the unit tank
Throttling element, gas temperature sensor, forefront pressure sensor and rear end pressure sensing are provided with device, the flow harvester
Device, the gas temperature sensor and the forefront pressure sensor are arranged on the side of the throttling element and close to the gas
Source, the rear end pressure sensor is arranged on the opposite side of the throttling element and away from the source of the gas, and the controller includes letter
Number harvester, arithmetic unit and control device, the signal pickup assembly simultaneously with the temperature sensor, the gas temperature
Spend sensor, the forefront pressure sensor and rear end pressure sensor signal connection, the control device and described the
One valve body and second valve body connection.By being measured filling the ammonia stage, realize in solid ammonia storage tank and fill ammonia
The quick metering of quality.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is the structural representation provided in an embodiment of the present invention for filling ammonia metering device；
Fig. 2 is the structural representation of flow harvester provided in an embodiment of the present invention.
In figure 1 above -2：
Unit tank 1, flow harvester 2, controller 3, source of the gas 4, the first valve body 5, temperature sensor 6, gas temperature are passed
Sensor 7, forefront pressure sensor 8, rear end pressure sensor 9, the second valve body 10, solid ammonia storage tank 11, throttling element 12.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Fig. 1 and Fig. 2 are refer to, Fig. 1 is the structural representation provided in an embodiment of the present invention for filling ammonia metering device；Fig. 2 is
The structural representation of flow harvester provided in an embodiment of the present invention.
It is provided in an embodiment of the present invention to fill ammonia metering device, ammonia metering is filled for solid ammonia storage tank, including be sequentially communicated
The first valve body 5, unit tank 1, the valve body 10 of flow harvester 2 and second, in addition to controller 3, wherein, the first valve body 5
Inlet end is connected with the source of the gas 4 of ammonia, and the outlet side of the second valve body 10 is connected with solid ammonia storage tank 11, is provided with unit tank 1
Be provided with temperature sensor 6, flow harvester 2 throttling element 12, gas temperature sensor 7, forefront pressure sensor 8 and after
Side pressure force snesor 9, gas temperature sensor 7 and forefront pressure sensor 8 are arranged on the side of throttling element 12 and close to source of the gas
4, rear end pressure sensor 9 is arranged on the opposite side of throttling element 12 and away from source of the gas 4, and controller 3 includes signal pickup assembly, fortune
Calculate device and control device, signal pickup assembly simultaneously with temperature sensor 6, gas temperature sensor 7, forefront pressure sensor
8 and the connection of the signal of rear end pressure sensor 9, control device is connected with the first valve body 5 and the second valve body 10.By filling the ammonia stage
Measured, realize the quick metering for the quality that ammonia is filled in solid ammonia storage tank.
Fill signal pickup assembly of the sensors all in ammonia metering device all respectively with controller 3 to be connected, turned by A/D
Change circuit and analog signal is changed into data signal.Arithmetic unit can be analyzed data signal, calculated, and according to computing
The operation of output control whole device.First valve body 5 and the second valve body 10 are connected with the control device of controller 3, and controller 3 leads to
Cross the control to two valve bodies and realize the control run to whole device.
Specifically, when in use, have the metering method of two states, a kind of is to fill ammonia metering method when quickly filling ammonia,
Another is to fill ammonia metering method when filling ammonia at a slow speed, measurement parameter when quickly filling ammonia and filling ammonia at a slow speed be it is different, its
Metering process is also different.
It is quick to fill ammonia metering method when filling ammonia, fill ammonia metering device based on above-mentioned, including：Simultaneously by the first valve body 5
Opened with the second valve body 10, the ammonia in source of the gas 4 directly enters solid ammonia storage tank 11 from source of the gas 4 through overcharging ammonia metering device, this
When gas flow is calculated by flow harvester 2, during throttling element 12 in ammonia flow inflow-rate of water turbine harvester 2, flow velocity will be
Local contraction, thus flow velocity increase, static pressure reduction are formed at throttling element 12, then pressure is just formed in the rear and front end of throttling element 12
Difference, gas flow rate is faster, pressure difference is bigger, now calculates the size of flow according to pressure difference, controller 3 can be filled by flow collection
Put gas temperature sensor 7, forefront pressure sensor 8 and the collecting temperature information of rear end pressure sensor 9 and pressure difference letter on 2
Breath, then calculates flow value, and mass value is added up obtains filling ammonia accumulated quality.
And ammonia metering method is filled when filling ammonia at a slow speed, fill ammonia metering device based on above-mentioned, including：Step 1) unit tank
Aeration phase：First valve body 5 is opened and closes the second valve body 10 by controller 3, and the ammonia in source of the gas 4 is inflated to unit tank 1,
The temperature sensor 6 of unit tank 1 measures the temperature value of the gas in unit tank 1, because flow harvester 2 connects with unit tank 1
Logical, the forefront pressure sensor 7 on flow harvester 2 measures the pressure in unit tank 1, when the pressure and gas in unit tank 1
When the pressure in source 4 is identical, the pressure in unit tank 1 can tend towards stability, and it is steady that forefront pressure sensor 7 collects pressure value in tank
After fixed, the aeration phase of the meeting identifying unit of controller 3 tank 1 terminates, and records the gas pressure value and temperature value in now unit tank,
And control fills ammonia metering device and enters next stage；Step 2) unit tank releasing phase：In this stage, controller 3 can be by the
One valve body 5 is closed and opens the second valve body 10, and the ammonia in unit tank 1 is inflated to solid ammonia storage tank 11, when in unit tank 1
After drop of pressure to setting value, controller 3 can judge that releasing phase terminates；Step 3) the flow rate calculation stage：In this stage, control
Device 3 processed can all close the first valve body 5 and the second valve body 10, and controller 3 can be by the pressure difference before and after the releasing phase of unit tank 1
Change with the temperature value of gas in unit tank 1 comes the ammonia quality of reduction in computing unit tank 1, i.e. this inflation cycle at a slow speed
The ammonia quality in solid ammonia storage tank 11 is filled with, then the ammonia quality of calculating is added in accumulated quality.
General entirely fill before and after ammonia process is understood is divided into two stages：Fast aeration stage and at a slow speed aeration phase.Quickly fill
The gas stage realizes the metering of flow by flow harvester, and aeration phase device passes through computing unit tank releasing phase at a slow speed
Front and rear of poor quality measure.
Wherein, controller 3 also has abnormity diagnosis function.When the data that sensor is gathered have abnormal, controller 3 can stop
Locking apparatus simultaneously sends alarm, to remind operator to handle failure, while can also be according to the abnormal to failure cause of data
Tentative diagnosis is made, reference is provided for the further diagnosis of operator.
The embodiment of the present invention also provides one kind and fills ammonia metering device, and the ammonia that fills for solid ammonia storage tank 11 is measured, including according to
The first valve body 5, the valve body 10 of unit tank 1 and second of secondary connection, in addition to controller 3, wherein, the inlet end of the first valve body 5 with
The source of the gas 4 of ammonia is connected, and the outlet side of the second valve body 10 is connected with solid ammonia storage tank 11, and TEMP is provided with unit tank 1
Device 6 and pressure sensor, controller 3 include signal pickup assembly, arithmetic unit and control device, signal pickup assembly simultaneously with
Temperature sensor 6 and pressure sensor signal connection, control device are connected with the first valve body 5 and the second valve body 10.Implement herein
In example, flow harvester 2 is not installed additional, it is only necessary to after installing pressure sensor additional on unit tank 1, only pass through metering units tank 1
Pressure difference and temperature information before and after releasing phase, which are calculated, fills quality.
Wherein, the first valve body 5 is magnetic valve.Second valve body 10 is magnetic valve.
The embodiment of the present invention also provides one kind and fills ammonia metering device, and ammonia metering is filled for solid ammonia storage tank, including successively
The first valve body 5, the valve body 6 of flow harvester 2 and second of connection, in addition to controller 3, wherein, the inlet end of the first valve body 5
Connected with the source of the gas 4 of ammonia, the outlet side of the second valve body 10 is connected with solid ammonia storage tank 11, is provided with flow harvester 2
Throttling element 12, gas temperature sensor 7, forefront pressure sensor 8 and rear end pressure sensor 9, gas temperature sensor 7 is with before
Side pressure force snesor 8 is arranged on the side of throttling element 12 and close to source of the gas 4, and rear end pressure sensor 9 is arranged on throttling element 12
Opposite side and remote source of the gas 4, controller 3 include signal pickup assembly, arithmetic unit and control device, and signal pickup assembly is simultaneously
It is connected with gas temperature sensor 7, forefront pressure sensor 8 and the signal of rear end pressure sensor 9, control device and the first valve body
5 and second valve body 10 connect.By being measured filling the ammonia stage, the fast of quality that ammonia is filled in solid ammonia storage tank is realized
Speed metering.
Wherein, flow harvester 2 be it is multiple and be arranged in parallel, also, multiple flow harvesters 2 flow range not
Together.The whole flow harvester 2 for filling multiple different flow ranges in parallel in ammonia metering device.Entirely ammonia process is filled all to pass through
Flow harvester 2 fills ammonia quality to measure, the information that controller 3 can be gathered by the sensor on flow harvester 2, meter
Present flow rate is calculated, and selects the flow collection for being adapted to present flow rate to fill by controlling the switch of magnetic valve according to the change of flow
Put 2.The mode of certain multiple flow harvesters 2 in parallel is also in the row of protection of the invention.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (10)
1. one kind fills ammonia metering device, ammonia metering is filled for solid ammonia storage tank, it is characterised in that including be sequentially communicated first
Valve body, unit tank, flow harvester and the second valve body, in addition to controller, wherein,
The inlet end of first valve body is connected with the source of the gas of ammonia, and outlet side and the solid ammonia storage tank of second valve body connect
It is logical,
Temperature sensor is provided with the unit tank,
Throttling element, gas temperature sensor, forefront pressure sensor and rear end pressure is provided with the flow harvester to pass
Sensor, the gas temperature sensor and the forefront pressure sensor are arranged on the side of the throttling element and close to the gas
Source, the rear end pressure sensor is arranged on the opposite side of the throttling element and away from the source of the gas,
The controller include signal pickup assembly, arithmetic unit and control device, the signal pickup assembly simultaneously with it is described
Temperature sensor, the gas temperature sensor, the forefront pressure sensor and rear end pressure sensor signal connection,
The control device is connected with first valve body and second valve body.
2. according to claim 1 fill ammonia metering device, it is characterised in that first valve body is magnetic valve.
3. according to claim 2 fill ammonia metering device, it is characterised in that second valve body is magnetic valve.
4. one kind fills ammonia metering device, ammonia metering is filled for solid ammonia storage tank, it is characterised in that including be sequentially communicated first
Valve body, unit tank and the second valve body, in addition to controller, wherein,
The inlet end of first valve body is connected with the source of the gas of ammonia, and outlet side and the solid ammonia storage tank of second valve body connect
It is logical,
Temperature sensor and pressure sensor are provided with the unit tank,
The controller include signal pickup assembly, arithmetic unit and control device, the signal pickup assembly simultaneously with it is described
Temperature sensor and pressure sensor signal connection, the control device connect with first valve body and second valve body
Connect.
5. according to claim 4 fill ammonia metering device, it is characterised in that first valve body is magnetic valve, described the
Two valve bodies are magnetic valve.
6. one kind fills ammonia metering device, ammonia metering is filled for solid ammonia storage tank, it is characterised in that including be sequentially communicated first
Valve body, flow harvester and the second valve body, in addition to controller, wherein,
The inlet end of first valve body is connected with the source of the gas of ammonia, and outlet side and the solid ammonia storage tank of second valve body connect
It is logical,
Throttling element, gas temperature sensor, forefront pressure sensor and rear end pressure is provided with the flow harvester to pass
Sensor, the gas temperature sensor and the forefront pressure sensor are arranged on the side of the throttling element and close to the gas
Source, the rear end pressure sensor is arranged on the opposite side of the throttling element and away from the source of the gas,
The controller include signal pickup assembly, arithmetic unit and control device, the signal pickup assembly simultaneously with it is described
Gas temperature sensor, the forefront pressure sensor and the rear end pressure sensor signal connection, the control device with
First valve body and second valve body connection.
7. according to claim 6 fill ammonia metering device, it is characterised in that the flow harvester is multiple and parallel connection
Set.
8. according to claim 7 fill ammonia metering device, it is characterised in that the flow amount of multiple flow harvesters
Cheng Butong.
9. it is a kind of it is quick fill ammonia fill ammonia metering method, it is characterised in that based on filling ammonia metering dress described in the claims 1
Put,
Including：
First valve body and second valve body are opened simultaneously,
Ammonia in the source of the gas directly fills ammonia metering device into the solid ammonia storage tank from source of the gas described in, now passes through
The flow harvester calculates gas flow,
When ammonia flows through the throttling element in the flow harvester, flow velocity will form local receipts at the throttling element
Contracting, thus flow velocity increase, static pressure reduction, then just form pressure difference, gas flow rate is faster, pressure in the throttling element rear and front end
Difference is bigger, now calculates the size of flow according to pressure difference, and the controller can be by described on the flow harvester
Gas temperature sensor, the forefront pressure sensor and the rear end pressure sensor collecting temperature information and differential pressure information,
Then flow value is calculated, and mass value is added up obtains filling ammonia accumulated quality.
10. it is a kind of fill ammonia at a slow speed fill ammonia metering method, it is characterised in that based on filling ammonia metering described in the claims 1
Device,
Including：
Step 1) the unit tank aeration phase：First valve body is opened and closes second valve body by the controller
Close, the ammonia in the source of the gas is inflated to the unit tank, the temperature sensor of the unit tank measures the unit tank
The temperature value of interior gas, because the flow harvester is connected with the unit tank, the institute on the flow harvester
State forefront pressure sensor and measure pressure in the unit tank, when the pressure phase of the pressure in the unit tank and the source of the gas
Meanwhile, the pressure in the unit tank can be tended towards stability, and the forefront pressure sensor is collected in tank after pressure numerical stability,
The controller meeting identifying unit tank aeration phase terminates, and records the gas pressure value and temperature value in now unit tank, and
Control fills ammonia metering device and enters next stage；
Step 2) the unit tank releasing phase：In this stage, the controller can close first valve body and by institute
The ammonia stated in the unlatching of the second valve body, the unit tank is inflated to the solid ammonia storage tank, when under the pressure in the unit tank
It is down to after setting value, the controller can judge that releasing phase terminates；
Step 3) the flow rate calculation stage：In this stage, the controller can be by first valve body and second valve body all
Close, the controller can be by the temperature value of gas in the pressure difference before and after the unit tank releasing phase and the unit tank
Change calculate the ammonia quality of reduction in the unit tank, i.e., this at a slow speed inflation cycle be filled with the solid ammonia storage tank
Ammonia quality, then the ammonia quality of calculating is added in accumulated quality.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710357290.9A CN107084766B (en) | 2017-05-19 | 2017-05-19 | Ammonia filling metering device, slow ammonia filling and rapid ammonia filling metering method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710357290.9A CN107084766B (en) | 2017-05-19 | 2017-05-19 | Ammonia filling metering device, slow ammonia filling and rapid ammonia filling metering method |
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| CN107084766B CN107084766B (en) | 2024-04-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108286650A (en) * | 2017-12-29 | 2018-07-17 | 长春汽四环腾达油脂化工有限公司 | One kind filling ammonia method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104748809A (en) * | 2015-03-30 | 2015-07-01 | 王向乔 | Intelligent metering instrument based on pressure regulator and metering method |
| CN206818262U (en) * | 2017-05-19 | 2017-12-29 | 吉林省众鑫汽车装备有限公司 | Fill ammonia metering device |
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| CN102751170A (en) * | 2011-04-19 | 2012-10-24 | 北京北方微电子基地设备工艺研究中心有限责任公司 | Semiconductor processing device |
| JP2014206450A (en) * | 2013-04-12 | 2014-10-30 | 中国電力株式会社 | Instrumentation system and measurement method for receiving flow rate of liquefied ammonia storage tank |
| CN103775822A (en) * | 2014-02-12 | 2014-05-07 | 北京空间机电研究所 | Full-automatic high-precision super-pure gas filling system |
| CN104748809A (en) * | 2015-03-30 | 2015-07-01 | 王向乔 | Intelligent metering instrument based on pressure regulator and metering method |
| CN206818262U (en) * | 2017-05-19 | 2017-12-29 | 吉林省众鑫汽车装备有限公司 | Fill ammonia metering device |
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| CN108286650A (en) * | 2017-12-29 | 2018-07-17 | 长春汽四环腾达油脂化工有限公司 | One kind filling ammonia method |
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