CN110487362A - A kind of steam flow measurement calibration equipment and its adjusting method - Google Patents
A kind of steam flow measurement calibration equipment and its adjusting method Download PDFInfo
- Publication number
- CN110487362A CN110487362A CN201910769629.5A CN201910769629A CN110487362A CN 110487362 A CN110487362 A CN 110487362A CN 201910769629 A CN201910769629 A CN 201910769629A CN 110487362 A CN110487362 A CN 110487362A
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- steam
- flow
- regulating valve
- measurement calibration
- calibration equipment
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- 238000005259 measurement Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000001105 regulatory effect Effects 0.000 claims abstract description 45
- 239000000498 cooling water Substances 0.000 claims abstract description 26
- 238000009833 condensation Methods 0.000 claims abstract description 20
- 230000005494 condensation Effects 0.000 claims abstract description 20
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 238000002955 isolation Methods 0.000 claims abstract description 10
- 238000012795 verification Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 8
- 238000010025 steaming Methods 0.000 claims description 5
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 2
- 230000015271 coagulation Effects 0.000 description 5
- 238000005345 coagulation Methods 0.000 description 5
- 238000005303 weighing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000087 stabilizing effect Effects 0.000 description 4
- 239000012071 phase Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
- G01F25/14—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters using a weighing apparatus
Abstract
The invention belongs to steam measurement field, being related to a kind of steam flow measurement calibration equipment and its adjusting method, the steam flow measurement calibration equipment includes steam pressurizer, vapor condenser, automatic steam trap, mass metrology device；The steam isolation board is equipped with the steam deflector for guiding steam flow；The metering that the mass metrology device carries out steam flow is entered by the automatic steam trap after vapor condenser condensation.The adjusting method of the steam flow measurement calibration equipment guarantees that the pressure of equipment installation front and back measured point is always consistent by condensing regulating valve, cooling water flow regulating valve, the linkage control of cross over pipe regulating valve to steam with adjustment equipment cooling capacity.The present invention can condense water quality with continuous metering, by the way that the condensed water for flowing through pipeline in certain time is weighed, the verification of Lai Shixian steam-flow meter, it is ensured that the accuracy of flow verification.
Description
Technical field
The invention belongs to steam measurement field, it is related to a kind of steam flow measurement calibration equipment and its adjusting method.
Background technique
Steam is the secondary energy sources of the enterprise-essentials such as chemical industry, steel-making, is occupied in terms of enterprise energy is balanced with energy control
Critical role, no matter from energy-saving or company interest, the accurate metering of steam is all the main of Enterprise Measure
One of content.
Due to the steam joint effect by hydraulic factors and thermodynamics factor during transportation, density, viscosity, flow velocity
Etc. parameters changing always, cause steam flow it is accurate metering there are larger difficulty.The type selecting of flow measurement of steam instrument is surveyed
The factors such as amount range, range ratio, installation site and operating condition variation can also make the accurate measurement of steam flow become extremely difficult.
Due to steam flow metering there are larger difficulty, make enterprise steam energy manage with steam energy clearing have compared with
It is big difficult.
Summary of the invention
In view of this, leading to the purpose of the present invention is to provide a kind of steam flow measurement calibration equipment and its adjusting method
Consecutive weighings after the steam that will be flowed in pipeline all condenses are crossed, realize the accurate metering of steam flow.
In order to achieve the above objectives, the invention provides the following technical scheme:
A kind of steam flow measurement calibration equipment, is connected with jet chimney, sets gradually steaming along the flow direction of steam
Vapour voltage-stablizer, vapor condenser, automatic steam trap, mass metrology device；The steam pressurizer passes through with the vapor condenser
Steam isolation board separates；The steam isolation board is equipped with the steam deflector for guiding steam flow；It is solidifying through the steam
It ties and the metering that the mass metrology device carries out steam flow is entered by the automatic steam trap after device condenses.
Optionally, the steam deflector is equipped with steam and condenses regulating valve, condenses regulating valve control by the steam
Steam flow into the vapor condenser.
Optionally, at least one cooling water pipeline is installed on the vapor condenser, takes away steam for being passed through cooling water
The heat discharged when condensation.
Optionally, cooling water pipeline is connected with cooling supply mains, and the cooling supply mains is equipped with cooling water flow tune
Save valve.
Optionally, the mass metrology device is equipped at least two, mutually simultaneously by meter switching valve and automatic steam trap
Connection；Be equipped with condensed water water-level gauge in each mass metrology device, for detecting liquid level in the mass metrology device, when with automatic hydrophobic
When liquid level reaches setting value in the mass metrology device of device connection, automatic steam trap described in Vavle switching is switched by meter and is connected to
Mass metrology device；Carry out the continuous metering of steam flow；Liquid level reaches the mass metrology device of setting value after metering, leads to
Cross the drain valve discharge condensed water being disposed thereon.
Optionally, steam pressurizer, vapor condenser, steam isolation board, steam deflector, automatic steam trap form steam
Coagulation devices；Steam condensation equipment, mass metrology device are set gradually along the flow direction of steam；The steam condensation equipment is equipped with
At least two groups, difference parallel communication mass metrology device.
Optionally, adjacent steam condensation equipment is connected by unicom pipeline, and cross over pipe adjusting is additionally provided on unicom pipeline
Valve.
Optionally, the steam pressurizer is equipped with jet chimney pressure gauge far from one end of vapor condenser.
Optionally, the steam pressurizer is equipped with pressure gauge and/or thermometer close to one end of the vapor condenser,
It is consistent with the pressure at steam-flow meter or steam user by adjusting steam pressure, so that it is guaranteed that the accuracy of flow verification.
Optionally, the steam pressurizer passes through steam deflector and jet chimney phase far from one end of vapor condenser
Even.
A kind of adjusting method of steam flow measurement calibration equipment is applied to above-mentioned steam flow measurement calibration equipment, leads to
Steam condensation regulating valve, cooling water flow regulating valve, the linkage control of cross over pipe regulating valve are crossed with adjustment equipment cooling capacity, is protected
The pressure for demonstrate,proving equipment installation front and back measured point is always consistent, it is ensured that the accuracy of flow verification.
Optionally, when steam flow increases in pipeline, the adjusting sequence of regulating valve are as follows: steam condenses regulating valve, cooling
Water flow adjusting valve, cross over pipe regulating valve；When steam flow is gradually reduced, the adjusting sequence of regulating valve are as follows: cross over pipe is adjusted
Valve, cooling water flow regulating valve, steam condense regulating valve.
The beneficial effects of the present invention are:
Present invention is mainly used for the verification of existing steam-flow meter and lack one at the steam user of flow-meter
The metering of steam flow in the section time, and it is suitable for metered mass flow and volume flow.The present invention is by will be in jet chimney
All condensation and the accurate meterings of consecutive weighings realization steam flow of the steam of flowing；By condensing regulating valve, cooling to steam
The coordination of Water flow adjusting valve, which is adjusted, keeps the pressure of jet chimney pressure gauge to stablize, to guarantee the authenticity of flow measurement.
The present invention facilitates the clearing of the steam energy control and steam energy of enterprise.
Other advantages, target and feature of the invention will be illustrated in the following description to a certain extent, and
And to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, Huo Zheke
To be instructed from the practice of the present invention.Target of the invention and other advantages can be realized by following specification and
It obtains.
Detailed description of the invention
To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention is made below in conjunction with attached drawing excellent
The detailed description of choosing, in which:
Fig. 1 is overall structure diagram of the invention.
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.It should be noted that diagram provided in following embodiment is only to show
Meaning mode illustrates basic conception of the invention, and in the absence of conflict, the feature in following embodiment and embodiment can phase
Mutually combination.
Wherein, the drawings are for illustrative purposes only and are merely schematic diagrams, rather than pictorial diagram, should not be understood as to this
The limitation of invention；Embodiment in order to better illustrate the present invention, the certain components of attached drawing have omission, zoom in or out, not
Represent the size of actual product；It will be understood by those skilled in the art that certain known features and its explanation may be omitted and be in attached drawing
It is understood that.
The same or similar label correspond to the same or similar components in the attached drawing of the embodiment of the present invention；It is retouched in of the invention
In stating, it is to be understood that if there is the orientation or positional relationship of the instructions such as term " on ", "lower", "left", "right", "front", "rear"
To be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description of the present invention and simplification of the description, rather than indicate or
It implies that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore is described in attached drawing
The term of positional relationship only for illustration, is not considered as limiting the invention, for the ordinary skill of this field
For personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
Referring to Fig. 1, the element numbers in attached drawing respectively indicate: jet chimney 1, steam deflector 2, thermometer 3, pressure
Table 4, steam deflector 5, unicom pipeline 6, cross over pipe regulating valve 7, steam condensation regulating valve 8, steam pressurizer 9, steam isolation
Plate 10, vapor condenser 11, cooling water pipeline 12, cooling water flow regulating valve 13, cooling supply mains 14, automatic steam trap 15,
Meter switching valve 16, mass metrology device 17, drain valve 18, steam pressure stabilizing coagulation devices 19, jet chimney pressure gauge 20, condensation
Water water-level gauge 21.
The present invention relates to a kind of steam flow measurement calibration equipments, comprising: steam pressurizer 9, vapor condenser 11；The two
Between separated with steam isolation board 10, it is ensured that steam can only from the steam deflector 5 on steam isolation board 10 enter steam condensation
Device 11；The steam flow that the control of regulating valve 8 enters in vapor condenser 11 is condensed by the steam on steam deflector 5；Entirely
Equipment is connect by steam deflector 2 with jet chimney 1；The effect of steam deflector 2 is to ensure that steam all flows into pipeline
This equipment；The installation site of steam deflector 2 is the steaming for needing the steam-flow meter position verified or needing measuring flow
The position of vapour user.Vapor condenser 11 is provided with cooling water pipeline 12, release when taking away steam condensation by flow of cooling water
Heat.Steam after condensation enters the Weighing that mass metrology device 17 realizes steam flow by automatic steam trap 15.It is cold
But water enters the cooling water pipeline 12 in vapor condenser 11 through supercooled water general pipeline 14, and passes through cooling water flow regulating valve 13
Cooling water inflow is adjusted, to control the condensing capacity of vapor condenser 11.Mass metrology device is measured by condensed water water-level gauge 21
Liquid level in 17, when liquid level reaches a timing, adjusting meter switching valve 16 allows condensed water to flow into another mass metrology device 17
In, to realize the continuous metering of steam flow, the condensed water after the completion of measuring is discharged by drain valve 18.
The invention further relates to a kind of adjusting methods of steam flow measurement calibration equipment, are applied to above-mentioned steam flow measurement
Calibration equipment condenses regulating valve, cooling water flow regulating valve, the linkage control of cross over pipe regulating valve by steam with adjustment equipment
Cooling capacity guarantees that the pressure of equipment installation front and back measured point is always consistent, it is ensured that the accuracy of flow verification.
Optionally, when steam flow increases in pipeline, the adjusting sequence of regulating valve are as follows: steam condenses regulating valve, cooling
Water flow adjusting valve, cross over pipe regulating valve；When steam flow is gradually reduced, the adjusting sequence of regulating valve are as follows: cross over pipe is adjusted
Valve, cooling water flow regulating valve, steam condense regulating valve.
In the specific implementation process, when steam conveys in pipeline, the pressure at steam flow and pipeline each point has closely
Relationship, the pressure difference of pipeline two o'clock decide the flow of steam in the pipeline.When specific operation, first with being arranged on jet chimney 1
Pressure gauge 20 measure this equipment the pressure of preceding measured point pipeline be installed, measured point can be the steam-flow meter for needing to verify,
It is also possible to lack the steam user of flow-meter, records the pressure P measured1.Install this equipment and start verification or
After gage work, regulating valve 8 and cooling water flow regulating valve 13 are condensed by adjusting steam, to control condensed steam amount, is maintained
Pressure gauge 20 on jet chimney measures pressure and measures pressure P with before equipment installation always1Unanimously, to make steam flow
Metering and verification are true and reliable.
It in practical applications, can be with when the steam flow in jet chimney 1 is excessive or cooling water cooling capacity deficiency
Identical steam pressure stabilizing coagulation devices 19 in parallel one or more pass through unicom pipeline between each steam pressure stabilizing coagulation devices 19
6 connections, unicom pipeline 6 are equipped with cross over pipe regulating valve 7.19 shape of steam pressure stabilizing coagulation devices can be tubbiness or other shapes
Shape can be designed according to actual needs.
By the available condensation water quality of consecutive weighings, the mass flow of pipeline steam is as flowed through in a period of time,
The data measured by thermometer 3 and pressure gauge 4 cooperate vapor phase parameter list, such as IAPWS-IF97 vapor parameter
Table, available steam flows through each state parameter when measured point, to obtain the volume flow of steam by mass flow calculation
Amount.
In the present embodiment, consecutive weighings after the steam flowed in pipeline all condensation may be implemented by this equipment
The accurate metering of steam flow in a period of time.This steam flow measurement calibration equipment is mainly used for the school of existing steam-flow meter
The metering of steam flow in a period of time at the steam user of flow-meter is tested and lacked, and is suitable for metered mass stream
Amount and volume flow, and by keep measured point steam pressure with original operating condition under pressure it is consistent, thus guarantee instrument check or
The authenticity of flow measurement in certain time.The verification of vapour meter and when lacking at the steam user of flow-meter one section
The metering of interior steam flow facilitates the clearing of the steam energy control and steam energy of enterprise.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of the technical program, should all be covered in the present invention
Scope of the claims in.
Claims (10)
1. a kind of steam flow measurement calibration equipment, is connected with jet chimney, it is characterised in that: along the flow direction of steam according to
Secondary setting steam pressurizer, vapor condenser, automatic steam trap, mass metrology device；The steam pressurizer and the steam are solidifying
Knot device is separated by steam isolation board；The steam isolation board is equipped with the steam deflector for guiding steam flow；Through institute
It states and the metering that the mass metrology device carries out steam flow is entered by the automatic steam trap after vapor condenser condenses.
2. steam flow measurement calibration equipment as described in claim 1, it is characterised in that: the steam deflector is equipped with
Steam condenses regulating valve, condenses the steam flow that regulating valve control enters in the vapor condenser by the steam；It is described
At least one cooling water pipeline is installed, for being passed through the heat discharged when cooling water takes away steam condensation on vapor condenser；It is cold
But waterpipe is connected with cooling supply mains, and the cooling supply mains is equipped with cooling water flow regulating valve.
3. steam flow measurement calibration equipment as described in claim 1, it is characterised in that: the mass metrology device is equipped with extremely
It is two few, it is parallel with one another by meter switching valve and automatic steam trap；Condensed water water level is equipped in each mass metrology device
Meter, for detecting liquid level in the mass metrology device, when liquid level reaches setting value in the mass metrology device being connected to automatic steam trap
When, the mass metrology device that automatic steam trap described in Vavle switching is connected to is switched by meter；Carry out the continuous meter of steam flow
Amount；Liquid level reaches the mass metrology device of setting value after metering, and condensed water is discharged by the drain valve being disposed thereon.
4. steam flow measurement calibration equipment as described in claim 1, it is characterised in that: steam pressurizer, steam condensation
Device, steam isolation board, steam deflector, automatic steam trap form steam condensation equipment；The direction of motion along steam is set gradually
Steam condensation equipment, mass metrology device；The steam condensation equipment is equipped at least two groups, respectively parallel communication mass metrology device.
5. steam flow measurement calibration equipment as described in claim 4, it is characterised in that: adjacent steam condensation equipment is logical
It crosses unicom pipeline to be connected, cross over pipe regulating valve is additionally provided on unicom pipeline.
6. steam flow measurement calibration equipment as described in claim 1, it is characterised in that: the steam pressurizer is far from steaming
One end of vapour coagulator is equipped with jet chimney pressure gauge.
7. steam flow measurement calibration equipment as described in claim 2, it is characterised in that: the steam pressurizer is close to institute
The one end for stating vapor condenser is equipped with pressure gauge and/or thermometer, by pressure gauge and/or thermometer, available steam
Volume flow.
8. steam flow measurement calibration equipment as described in claim 1, it is characterised in that: the steam pressurizer is far from steaming
One end of vapour coagulator is connected by steam deflector with jet chimney.
9. a kind of adjusting method of steam flow measurement calibration equipment, applied to the steaming as described in any one of claim 1~8
Vapour flow measurement calibration equipment, it is characterised in that: regulating valve, cooling water flow regulating valve, cross over pipe are condensed by steam and adjusted
The linkage control of valve guarantees that the pressure of equipment installation front and back measured point is always consistent with adjustment equipment cooling capacity, it is ensured that
The accuracy of flow verification.
10. the adjusting method of steam flow measurement calibration equipment as described in claim 9, it is characterised in that: when in pipeline
When steam flow increases, the adjusting sequence of regulating valve are as follows: steam condenses regulating valve, cooling water flow regulating valve, cross over pipe and adjusts
Valve；When steam flow is gradually reduced, the adjusting sequence of regulating valve are as follows: cross over pipe regulating valve, cooling water flow regulating valve, steam
Condense regulating valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910769629.5A CN110487362A (en) | 2019-08-20 | 2019-08-20 | A kind of steam flow measurement calibration equipment and its adjusting method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910769629.5A CN110487362A (en) | 2019-08-20 | 2019-08-20 | A kind of steam flow measurement calibration equipment and its adjusting method |
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| Publication Number | Publication Date |
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| CN110487362A true CN110487362A (en) | 2019-11-22 |
Family
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| CN201910769629.5A Pending CN110487362A (en) | 2019-08-20 | 2019-08-20 | A kind of steam flow measurement calibration equipment and its adjusting method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110926796A (en) * | 2019-12-04 | 2020-03-27 | 福建省特种设备检验研究院 | Measuring device for discharge capacity and no-load steam leakage of drain valve hot condensed water and using method |
| CN111947032A (en) * | 2020-06-22 | 2020-11-17 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | High-energy steam pipeline condensate recovery and drain valve on-line detection system |
| CN112380491A (en) * | 2020-11-16 | 2021-02-19 | 中冶赛迪技术研究中心有限公司 | Calculation method for fluid pipe network instrument inspection |
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| CN112380491A (en) * | 2020-11-16 | 2021-02-19 | 中冶赛迪技术研究中心有限公司 | Calculation method for fluid pipe network instrument inspection |
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