CN201408054Y - Solid mass flowmeter calibration device and system containing the device - Google Patents
Solid mass flowmeter calibration device and system containing the device Download PDFInfo
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- CN201408054Y CN201408054Y CN2009200718967U CN200920071896U CN201408054Y CN 201408054 Y CN201408054 Y CN 201408054Y CN 2009200718967 U CN2009200718967 U CN 2009200718967U CN 200920071896 U CN200920071896 U CN 200920071896U CN 201408054 Y CN201408054 Y CN 201408054Y
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Abstract
The utility model discloses a solid mass flowmeter calibration device which comprises a weighing device, a resistance component, a first pipeline arranged between an inlet of the weighing device and an outlet of the resistance component, and a second pipeline connected with an inlet of the resistance component, wherein a pressure adjusting device is further arranged on the second pipeline. The utility model further provides a dry method feeding and reacting device which comprises a feeding system, a reacting device, a solid mass flowmeter calibration device and one or a plurality of feeding pipelines, each feeding pipeline is connected with a converting device, and each feeding pipeline is connected with at least one solid mass flowmeter. The solid mass flowmeter calibration device and thesystem containing the device are adopted to prominently improve the calibration precision of solid mass flowmeters, and can satisfy the requirements of the industries such as chemical industry, powergeneration, metallurgy and the like to accurate metering and on-line calibration of solid mass flowmeters.
Description
Technical field
The utility model relates to a kind of flowmeter prover and contains the charging reaction unit of this caliberating device, particularly a kind of online calibration device for solid mass flow meter, and contain the dry feed of this calibration device for solid mass flow meter and the system of reaction.
Background technology
Pneumatic Conveying Technology has been widely used among the commercial production such as chemical industry, generating and metallurgy, and wherein, the mass flowrate of solid material is important process operation parameter, and can it accurately measure the stability and safety operation that has directly influenced process units.Weight method is the most simple and reliable method of metering mass flowrate, but can't satisfy the operation with high pressure and the on-line measurement requirement of some technology.Therefore, based on understanding to the solid feed physical property, produced many based on different principle, can be used for the solid mass flow meter of high pressure, on-line measurement solid masses flow rate, have based on the macroscopic property of solid in the course of conveying and electrical property; The technology that needs external energy when measuring is also arranged, for example adopt the principle of energy absorption and sound vibrations, but because Gas-solid Two-phase Flow complexity in the pipeline, for example under different convey materials and operating conditions particularly the unevenness that distributes of pipeline section solid concentration give accurately to measure and brought many challenges, therefore, such measurement instrument needs to utilize weight method to demarcate or verify bar none.
Adopt the fine coal forced air bed gasification technology of dry feed to have advantages such as coal adaptability is wide, service life of equipment length, efficiency of carbon conversion height, become numerous enterprises and selected one of mainstream technology of gasifying process.At present, can realize that the solid mass flow meter of on-line measurement solid masses flow rate has been applied to the fine coal forced air bed gasifying apparatus of 1000～2000 tons in day processing coal, but in operational process, expose fine coal actual flow and solid mass flow meter and show the bigger problem of flow deviation, so that operating the oxygen coal causes gasification temperature low excessively than distortion then, cause cinder notch to block up problems such as slag, the too high scaling loss water-cooling wall of gasification temperature internals, greatly influenced the safety and the cycle of operation of device.Practice shows that there is following point in the fine coal solid mass flow meter calibration technique that industrialized gasifying powder coal device had adopted at present in the through engineering approaches application facet:
(1) stated accuracy is not high.The normal pressure warehouse weighing system range that is used for the solid mass flow meter demarcation at present on the commercial plant is excessive, and timing signal not only needs the long nominal time, more gives and demarcates introducing than mistake, is difficult to satisfy the accurate calibration request of fine coal mass flowmeter.
(2) do not possess the on-line proving function.The calibration system that adopts on the commercial plant does not possess the on-line proving function at present; When reaction unit was in running status, the normal pressure warehouse that is used for the solid mass flow meter demarcation was also being born the function to other storage bin feed, thereby can't weighed to the material from calibration system when accepting from the coal mill system material.Therefore, demand developing a kind of high pressure strength conveying caliberating device that can carry out on-line proving and checking at short notice urgently to solid mass flow meter.
The utility model content
Technical problem to be solved in the utility model is to exist stated accuracy not high at present in the Pneumatic Conveying Technology of dry feed on the solid mass flow meter calibration technique in order to overcome prior art, defective that can't on-line proving, a kind of stated accuracy that significantly improves solid mass flow meter is provided, can satisfies chemical industry, generating, industries such as metallurgy to solid mass flow meter accurately metering and service requirement that can on-line proving a kind of calibration device for solid mass flow meter and comprise a dry feed of calibration device for solid mass flow meter of the present utility model and the system of reaction.
The utility model solves above-mentioned technical matters by following technical proposals: a kind of calibration device for solid mass flow meter, it is characterized in that it comprises that one is exclusively used in the weighing device that material is demarcated in weighing, resistance parts and one first pipeline and one second pipeline; This first pipeline is located between the outlet of the inlet of this weighing device and these resistance parts; This second pipeline links to each other with the inlet of these resistance parts, also is provided with a pressure adjustment assembly on this second pipeline.
Preferably, this pressure adjustment assembly comprises that at least wherein, this pipeline making-up air device also connects a gas flow adjusting means by this second pipeline be connected with each other logical a pipeline making-up air device and a pressure monitoring device.
Preferably, this weighing device is a gravimetric tank.
Preferably, the volume of this gravimetric tank is under this solid mass flow meter biggest quality flow rate of being demarcated per hour 0.2～4 times of the solid accumulation volume.
Preferably, the volume of this gravimetric tank is under this solid mass flow meter biggest quality flow rate of being demarcated per hour 0.4～2 times of the solid accumulation volume.
Preferably, this gravimetric tank is established a filtration unit in also, and this gravimetric tank comprises gravimetric tank inlet, a gravimetric tank gas vent and gravimetric tank solid material outlet, and this filtration unit is connected with the gas vent of this gravimetric tank.
Preferably, the pressure drop between the inlet of these resistance parts and outlet is 0～5MPa.
Preferably, these resistance parts are any one in orifice plate, reducer pipe, the throttling valve.
The utility model also provides the system of a kind of dry feed and reaction, it comprises a feed system and a reaction unit, it is characterized in that it also comprises: an above-mentioned calibration device for solid mass flow meter, and one or more feeding pipe, each feeding pipe all connects a conversion equipment; Wherein, this feed system is by this feeding pipe and the corresponding conversion equipment that is connected with it, be connected with this calibration device for solid mass flow meter with this reaction unit respectively, the outlet of the weighing device of this calibration device for solid mass flow meter is connected with the inlet of this feed system by an operation valve, and each feeding pipe all is connected with at least one solid mass flow meter.
Preferably, this conversion equipment is a T-valve, this T-valve tool one inlet, one first outlet and one second outlet, wherein, the inlet of this T-valve is connected with the outlet of this feed system by the feeding pipe that correspondingly connects, first outlet of this T-valve is connected with second entrance of this calibration device for solid mass flow meter, and second outlet of this T-valve is connected with this reaction unit by a connecting pipe, also connects a carrier gas input media on this feeding pipe.
Preferably, this feed system comprises a continuous normal pressure warehouse, an intermittent blanking device and the issuance of materials jar of order successively.
Preferably, this intermittent blanking device is a lock hopper system or a high-pressure rotary dispenser.
Preferably, on this normal pressure warehouse, this intermittent blanking device and this issuance of materials jar carrier gas input media is housed all.
Positive progressive effect of the present utility model is:
1, the system of dry feed of the present utility model and reaction, can significantly improve the stated accuracy of solid mass flow meter, shorten the service requirement of nominal time and on-line proving, can satisfy of the accurate metering of industries such as chemical industry, generating, metallurgy solid mass flow meter.
2, the utility model employing two-way or the above conveyance conduit of two-way are the reaction unit feed, can be according to demarcating needs, by the T-valve on the feeding pipe of arbitrary road the issuance of materials jar is communicated with gravimetric tank, solid mass flow meter is demarcated, keep the operation of reaction unit simultaneously.
3, calibration device for solid mass flow meter of the present utility model, therefore accept the required material of timing signal separately by the weighing device in the on-line proving device, can solve the adverse effect that raw material variety variation etc. brings the solid mass flow meter metering accuracy by on-line proving.
4, the utility model is selected the gravimetric tank of low capacity, little range, high-precision weighing instrument can be set thereon, to improve the stated accuracy of solid mass flow meter, shorten the nominal time, online and off-line calibration and realize that the quick online switching of multiple solid material lays the foundation for the solid material mass flowrate.
Description of drawings
Fig. 1 is the calibration device for solid mass flow meter structural drawing of the utility model one preferred embodiment.
Fig. 2 is the structural drawing of the system of the dry feed of the utility model one preferred embodiment and reaction.
Embodiment
Lift a preferred embodiment below, and come the clearer the utility model that intactly illustrates in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, the utility model provides a kind of calibration device for solid mass flow meter 1, and it comprises that mainly one is exclusively used in weighing and demarcates the weighing device 11 of material ' and resistance parts 12, and first pipeline 18 that is used to connect and second pipeline 19.Wherein, be exclusively used in weighing and demarcate the weighing device 11 of material ' only be used for unique demarcation material of accepting the required weighing of calibration process, and show real-time weight, thereby solid mass flow meter is proofreaied and correct demarcation according to these data.Therefore weighing device 11 ' do not bear acceptance be not subjected to the influence of other system from the coal mill system charging and to the function of issuance of materials jar feed.When being in non-calibration process, weighing device 11 ' only have connection effect.First pipeline 18 be located at weighing device 11 ' inlet and resistance knockdown export 122 between; Second pipeline 19 links to each other with resistance component entry 121, also is equiped with a pressure adjustment assembly 5 on second pipeline 19.Referring to Fig. 2, pressure adjustment assembly 5 comprises a pipeline making-up air device and a pressure monitoring device 15 that communicates with each other by second pipeline 19 at least.The pipeline making-up air device can be known pipeline air compensation device 13, and it can be used for make-up carrier gas flow in second pipeline 19, thus the flow velocity when improving solid material and carrier gas mixture by resistance parts 12, and then the pressure at controlled pressure monitoring device 15 places.Pipeline air compensation device 13 has the inlet 133 of the mixture inlet 131 of a solid material and carrier gas, solid material and 132, make-up carrier gass of carrier gas mixture outlet.Inlet 133 places of make-up carrier gas also are connected to a gas flow adjusting means, such as a pressure-regulating valve 14.Pressure monitoring device 15 can be known tensimeter.Resistance parts 12 can be selected in orifice plate, reducer pipe, the throttling valve any one for use, and the potpourri that is used to make solid material and carrier gas produces a constant pressure drop during by this equipment, thereby improves the pressure at pressure monitoring device 15 places.The pressure of weighing device 11 ' porch is normal pressure, resistance parts porch 121 pressure are controlled, at normal pressure to the scope of 5MPa, preferred 1MPa to 4MPa, by the pressure drop between resistance component entry 121 and the resistance knockdown export 122 is 0～5MPa, like this can simulation reaction device conveying operating mode during 2 normal operations, realize the demarcation of solid mass flow meter 17 under the high-pressure delivery state can realizing the on-line proving of solid mass flow meter 17 on the other hand on the one hand.Above-mentioned weighing device 11 ' can adopt a gravimetric tank 11, gravimetric tank 11 is provided with three passwaies, that is: be used to receive the mixture of carrying carrier gas secretly gravimetric tank inlet 111, be used to discharge the gravimetric tank gas vent 112 of carrier gas, and be used for the gravimetric tank solid material outlet 113 of convey materials.In order to prevent too much solid material, such as solid fuel, to be taken out of by carrier gas, gravimetric tank 11 is established a filtration unit in going back, and filtration unit is connected with the gas vent 112 of gravimetric tank.Filtration unit can be known cloth bag filtration.For slot milling is used for the sedimentation of solid material, the volume of gravimetric tank 11 is under solid mass flow meter 17 biggest quality flow rates of being demarcated per hour 0.2～4 times of material nature stacking volume, preferred 0.4～2 times.
As depicted in figs. 1 and 2, the utility model also provides the system of a kind of dry feed and reaction, it is mainly by a feed system 3 and a reaction unit 2, one as mentioned above the calibration device for solid mass flow meter that has gravimetric tank 11 1, and one or more feeding pipe 20, each feeding pipe 20 all connects a conversion equipment; Feed system 3 is by each road feeding pipe 20 and the corresponding conversion equipment that is connected with it, be connected with calibration device for solid mass flow meter 1 with reaction unit 2 respectively, when each conversion equipment with form a feed stream after reaction unit 2 is connected, and when conversion equipment is connected with calibration device for solid mass flow meter 1, then desirable demarcation material, weigh by 11 pairs of materials of getting of gravimetric tank, thereby realize on-line proving.Each feeding pipe 20 all is connected with at least one solid mass flow meter 17.The weighing device 11 of calibration device for solid mass flow meter 1 ' outlet be connected with the inlet of feed system 3 by an operation valve 4.Reaction unit 2 can be gasification furnace or high-pressure gasified reactor.Conversion equipment in the present embodiment is a T-valve 16, all connects a carrier gas input media G and an operation valve 4 on each feeding pipe 20.T-valve 16 has an inlet 162,1 first outlet 161 and 1 second outlet 163.The inlet 162 of T-valve is connected with the outlet of feed system 3 by the feeding pipe 20 that correspondingly connects, first outlet 161 of T-valve is connected with the inlet of second pipeline 19 of this calibration device for solid mass flow meter 1, second outlet 163 of T-valve is connected with reaction unit 2 by a connecting pipe, installs one or more solid mass flow meters 17 on each feeding pipe 20.Solid mass flow meter 17 in the present embodiment be meant can online demonstration process of pneumatic transmission in the instrument of solid material mass flowrate, comprise all instrument that need demarcate by weight method such as capacitance principle measurement, the measurement of ray principle, electrostatic principle measurement.
When needs on-line proving solid mass flow meter 17, feed system 3 is connected with the inlet 162 of T-valve through feeding pipe 20, first outlet 161 of T-valve 16 is with after second pipeline 19 is connected, behind pipeline air compensation device 13, resistance parts 12 and first pipeline 18, be connected, then can pass through weight method on-line proving solid mass flow meter 17 with gravimetric tank inlet 111.The outlet of solid flowmeter caliberating device 1, i.e. gravimetric tank outlet 113 also are that the inlet 311 of normal pressure warehouse 31 connects by the inlet of an operation valve 4 with feed system 3.Feed system 3 can be made up of the normal pressure warehouse 31, an intermittent blanking device 32 and the issuance of materials jar 33 that link to each other in proper order successively.Normal pressure warehouse 31 be used to accept and store from gravimetric tank 11 or other weighing device 11 ' the demarcation material.Be connected with weighing instrument on the normal pressure warehouse 31, when issuance of materials jar 33 internal solid stocks are not enough, adopt as intermittent blanking devices 32 such as lock hopper system, high-pressure rotary dispensers, off and on the solid material in the normal pressure warehouse 31 is transported in the issuance of materials jar 33 under the high pressure conditions.Gravimetric tank 11 is installed in normal pressure warehouse 31 tops, is used to accept from the demarcation material of issuance of materials jar 33 and shows real-time weight, thereby solid mass flow meter 17 is demarcated.Gravimetric tank 11 is connected with normal pressure warehouse 31, is provided with operation valve 4 between gravimetric tank 11 and the normal pressure warehouse 31.Issuance of materials jar 33 is mainly used in the mode of under certain pressure the solid material of its storage being carried with strength and is transported to reaction unit 2 by feeding pipe 20.When issuance of materials jar 33 needed material feeding, the solid material in the normal pressure warehouse 31 can turn back in the issuance of materials jar 33 high pressure conditions under by intermittent blanking device 32, thereby formed the circulation conveying of solid material.Intermittent blanking device 32 can adopt a known lock hopper system or a high-pressure rotary dispenser.The one carrier gas input media that is used for delivery of carrier gas all is housed on normal pressure warehouse 31, intermittent blanking device 32 and the issuance of materials jar 33.
Solid material in the present embodiment can be any one or other similar solid fuel etc. in fine coal, petroleum coke, living beings, solid-state castoff or its potpourri.Carrier gas can be selected from nitrogen, carbon dioxide, water vapour, synthetic gas or its combination gas any one.
When demarcating solid mass flow meter 17, close the operation valve 4 between gravimetric tank 11 and the normal pressure warehouse 31; Control issuance of materials jar 33 pressure between 1MPa～6MPa, preferred 2～5MPa, and keep issuance of materials jar 33 pressure stabilitys; Adjust transportation parameters, the mode that solid fuel is carried by strength flows out from 33 outlets of issuance of materials jar, the potpourri of solid fuel and carrier gas enters conveyance conduit 20, successively by one or more solid mass flow meters 17, T-valve 16, pipeline air compensation device 13, after resistance part part 12, enter the gravimetric tank 11 of normal pressure after the decompression, carrier gas then enters dust pelletizing system through the gas vent 112 of gravimetric tank 11.When gravimetric tank 11 internal solid fuel reach required semi-invariant or timing signal not, operation valve 4 is often opened and is made gravimetric tank 11 keep being communicated with normal pressure warehouse 31, and solid fuel enters normal pressure warehouse 31 from gravimetric tank 11, does not store solid fuel in the gravimetric tank 11.Be coal dust below with the transferring raw material, carrier gas is that nitrogen is example, and the system work process that specifically describes dry feed of the present utility model and reaction is as follows:
Issuance of materials jar 33 communicates with gasification furnace by four fine coal outlets that connect one road feeding pipe 20 respectively on it, passes through four road feeding pipe 20A, 20B, 20C, 20D respectively to the gasification furnace feed.Four road feeding pipe 20A, 20B, 20C, 20D can be in twos be connected with gasification furnace from the both sides of gasification furnace opposed to each other, also can insert from the top of gasification furnace.When two solid mass flow meters 17 on the demarcation feeding pipe 20A, control issuance of materials jar 33 pressure 4.7MPa, and keep issuance of materials jar 33 pressure stabilitys.Opening controlling valve 4, the potpourri of solid material and carrier gas enters feeding pipe 20A, under the effect of carrier gas G, successively through two solid mass flow meters 17, T-valve 16, and pipeline air compensation device 13, after 12 decompressions of resistance parts, enter into normal pressure gravimetric tank 11 again.Pressure in 121 pipelines of resistance component entry is by pressure-regulating valve 14 controls, and the pressure in 121 pipelines of pressure-regulating valve 14 may command resistance component entries is to demarcating desired value.When need not timing signal, to open with the solid material of gravimetric tank 11 and export 113 operation valves that are connected 4, solid material flows in the normal pressure warehouse 31.When issuance of materials jar 33 internal solid stocks are not enough, off and on the solid materials in the normal pressure warehouse 31 are transported in the issuance of materials jar 33 under the high pressure conditions by lock hopper.
When gasification furnace is in running status, can carry out on-line proving to the solid mass flow meter 17 on the way of appointing among four road feeding pipe 20A, 20B, 20C, the 20D.Needing to stop the feed of the feeding pipe 20 of demarcation, this road feeding pipe is communicated with gravimetric tank 11, keep gasification furnace to be in the safe operation state simultaneously by T-valve 16 to gasification furnace.After demarcating end, after the pressure at controlled pressure monitoring device 15 places is slightly larger than the gasification furnace internal pressure, by T-valve 16 feed system 3 is communicated with gasification furnace, the potpourri of solid material and carrier gas enters gasification furnace by a connecting pipe.Simultaneously, unlatching carrier gas F is used for feeding pipe 20 purgings when conveying stops.Thus, finished the on-line proving process of solid mass flow meter 17.
The utility model is by being provided with resistance parts 12 on first pipeline 18 of gravimetric tank inlet 111, improve the mode of the flow velocity of resistance parts 12 gas-solid two-phase mixtures of flowing through, increase the pressure drop at resistance parts 12 two ends, thereby improve the pressure in second pipeline 19 before the resistance component entry 121, form solid mass flow meter 17 declared working conditions under the high pressure, provide the basis for accurately demarcating.Under the effect of resistance parts 12, the port pressure of T-valve first outlet 161 can be increased to reaction unit 2 pressure, and this just passes through T-valve 16 directly from high pressure reaction assembly 2, such as high-pressure gasified stove for solid material, switch to gravimetric tank 11 condition is provided, thereby realize online accurate demarcation.In addition, little range, high-precision weighing instrument are set on the gravimetric tank 11 of the utility model low capacity, can also improve the stated accuracy of solid mass flow meter 17, shorten the nominal time, online and off-line calibration and realize that the quick online switching of multiple solid fuel lays the foundation for the fine coal mass flowrate.It is reaction unit 2 feed that the utility model adopts two-way or the above conveyance conduit 20 of two-way, can be according to demarcating needs, by the T-valve 16 on arbitrary road feeding pipe 20 issuance of materials jar 33 is communicated with gravimetric tank 11, solid mass flow meter 17 is demarcated, kept the operation of reaction unit 2 simultaneously.After demarcating end, feed system 3 is communicated with reaction unit 2 through T-valve 16 by feeding pipe 20, makes solid material enter reaction unit 2.
Though more than described embodiment of the present utility model, but those skilled in the art is to be understood that, these only illustrate, and under the prerequisite that does not deviate from principle of the present utility model and essence, can make numerous variations or modification to these embodiments.Therefore, protection domain of the present utility model is limited by appended claims.
Claims (13)
1, a kind of calibration device for solid mass flow meter is characterized in that it comprises that one is exclusively used in the weighing device that material is demarcated in weighing, resistance parts and one first pipeline and one second pipeline; This first pipeline is located between the outlet of the inlet of this weighing device and these resistance parts; This second pipeline links to each other with the inlet of these resistance parts, also is provided with a pressure adjustment assembly on this second pipeline.
2, calibration device for solid mass flow meter as claimed in claim 1, it is characterized in that, this pressure adjustment assembly comprises that at least wherein, this pipeline making-up air device also connects a gas flow adjusting means by this second pipeline be connected with each other logical a pipeline making-up air device and a pressure monitoring device.
3, calibration device for solid mass flow meter as claimed in claim 1 is characterized in that, this weighing device is a gravimetric tank.
4, calibration device for solid mass flow meter as claimed in claim 3 is characterized in that, the volume of this gravimetric tank is under this solid mass flow meter biggest quality flow rate of being demarcated per hour 0.2～4 times of the solid accumulation volume.
5, calibration device for solid mass flow meter as claimed in claim 3 is characterized in that, the volume of this gravimetric tank be under this solid mass flow meter biggest quality flow rate of being demarcated per hour thing pile up 0.4～2 times of material volume.
6, calibration device for solid mass flow meter as claimed in claim 3, it is characterized in that, this gravimetric tank is established a filtration unit in also, this gravimetric tank comprises gravimetric tank inlet, a gravimetric tank gas vent and gravimetric tank solid material outlet, and this filtration unit is connected with the gas vent of this gravimetric tank.
7, calibration device for solid mass flow meter as claimed in claim 1 is characterized in that, the pressure drop between the inlet of these resistance parts and outlet is 0～5MPa.
As any described calibration device for solid mass flow meter in the claim 1 to 7, it is characterized in that 8, these resistance parts are any one in orifice plate, reducer pipe, the throttling valve.
9, the system of a kind of dry feed and reaction, it comprises a feed system and a reaction unit, it is characterized in that it also comprises: a calibration device for solid mass flow meter as claimed in claim 1, and one or more feeding pipe, each feeding pipe all connects a conversion equipment; Wherein, this feed system is by this feeding pipe and the corresponding conversion equipment that is connected with it, be connected with this calibration device for solid mass flow meter with this reaction unit respectively, the outlet of the weighing device of this calibration device for solid mass flow meter is connected with the inlet of this feed system by an operation valve, and each feeding pipe all is connected with at least one solid mass flow meter.
10, the system of dry feed as claimed in claim 9 and reaction, it is characterized in that, this conversion equipment is a T-valve, this T-valve tool one inlet, one first outlet and one second outlet, wherein, the inlet of this T-valve is connected with the outlet of this feed system by the feeding pipe that correspondingly connects, first outlet of this T-valve is connected with second entrance of this calibration device for solid mass flow meter, second outlet of this T-valve is connected with this reaction unit by a connecting pipe, also connects a carrier gas input media on this feeding pipe.
11, the system of dry feed as claimed in claim 10 and reaction is characterized in that, this feed system comprises a continuous normal pressure warehouse, an intermittent blanking device and the issuance of materials jar of order successively.
12, the system of dry feed as claimed in claim 11 and reaction is characterized in that, this intermittent blanking device is a lock hopper system or a high-pressure rotary dispenser.
13, as the system of claim 11 or 12 described dry feeds and reaction, it is characterized in that, on this normal pressure warehouse, this intermittent blanking device and this issuance of materials jar carrier gas input media is housed all.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200718967U CN201408054Y (en) | 2009-05-08 | 2009-05-08 | Solid mass flowmeter calibration device and system containing the device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200718967U CN201408054Y (en) | 2009-05-08 | 2009-05-08 | Solid mass flowmeter calibration device and system containing the device |
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| CN201408054Y true CN201408054Y (en) | 2010-02-17 |
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| CN2009200718967U Expired - Lifetime CN201408054Y (en) | 2009-05-08 | 2009-05-08 | Solid mass flowmeter calibration device and system containing the device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102070023A (en) * | 2010-12-03 | 2011-05-25 | 重庆国际复合材料有限公司 | Decompression discharge pipe and raw material mixing system adopting the same |
| CN102128666A (en) * | 2011-02-11 | 2011-07-20 | 合肥工业大学 | Method for calibrating Coriolis mass flowmeter |
| CN102466104A (en) * | 2010-11-08 | 2012-05-23 | 通用电气公司 | Pipeline and conveying method |
| CN110864773A (en) * | 2019-12-03 | 2020-03-06 | 镇江市计量检定测试中心 | Method and system for online checking accuracy of solid flow meter |
| CN111044125A (en) * | 2019-12-31 | 2020-04-21 | 华东理工大学 | Method for automatically calibrating flow point and storage medium |
-
2009
- 2009-05-08 CN CN2009200718967U patent/CN201408054Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102466104A (en) * | 2010-11-08 | 2012-05-23 | 通用电气公司 | Pipeline and conveying method |
| CN102466104B (en) * | 2010-11-08 | 2015-08-26 | 通用电气公司 | Pipeline and delivery method |
| US9387997B2 (en) | 2010-11-08 | 2016-07-12 | General Electric Company | Pipelines and conveying methods |
| CN102070023A (en) * | 2010-12-03 | 2011-05-25 | 重庆国际复合材料有限公司 | Decompression discharge pipe and raw material mixing system adopting the same |
| CN102128666A (en) * | 2011-02-11 | 2011-07-20 | 合肥工业大学 | Method for calibrating Coriolis mass flowmeter |
| CN102128666B (en) * | 2011-02-11 | 2012-08-08 | 合肥工业大学 | Method for calibrating Coriolis mass flowmeter |
| CN110864773A (en) * | 2019-12-03 | 2020-03-06 | 镇江市计量检定测试中心 | Method and system for online checking accuracy of solid flow meter |
| CN111044125A (en) * | 2019-12-31 | 2020-04-21 | 华东理工大学 | Method for automatically calibrating flow point and storage medium |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100217 Effective date of abandoning: 20090508 |