CN204514416U - A kind of 5M level tank volumetric calibration equipment - Google Patents
A kind of 5M level tank volumetric calibration equipment Download PDFInfo
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- CN204514416U CN204514416U CN201520088811.1U CN201520088811U CN204514416U CN 204514416 U CN204514416 U CN 204514416U CN 201520088811 U CN201520088811 U CN 201520088811U CN 204514416 U CN204514416 U CN 204514416U
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Abstract
The utility model provides a kind of 5M level tank volumetric calibration to equip, and before measurement volume, flow meter carries out automatic calibration and demarcation, improves volumetric calibration precision.This equipment comprises: at least one fluid reservoir (1), flowmeter (7), flowmeter calibrating installation, liquid pump (2) and liquid level gauge (4); Described at least one fluid reservoir (1) is connected with liquid pump (2); Described liquid pump (2) is connected with the liquid inlet at the bottom of tank (3) case by described flowmeter (7); Described flowmeter calibrating installation is connected with described flowmeter (7); Described liquid level gauge 4 is arranged at tank (3) top; Wherein, described flowmeter calibrating installation comprises: liquid case (5) of weighing, electronic scale (15), impulse meter, circulation fluid case (8) and liquid distributing device (6); Described liquid distributing device (6) comprises two liquid outlets and an inlet; Described two liquid outlets are connected with described liquid case (5) and the described circulation fluid case (8) of weighing respectively.
Description
Technical field
The utility model relates to tank field tests, particularly relates to a kind of 5M level tank volumetric calibration equipment.
Background technology
Rocket tank is the device for holding rocket fuel, needs to carry out volumetric calibration to tank before entering actual use, and thinking filling in the actual use procedure of tank and releasing provides necessary data to support.
In the prior art, volumetric calibration adopts the mode of electronic scale weighing to carry out, and is converted into the volume of tank by the weight measuring tank and liquid at different liquid levels.And in the process, the observation of loading liquid level by manually carrying out with control, increases the error of volumetric calibration, and before carrying out volumetric calibration, cannot realize the real time calibration of flow meter.
Utility model content
The utility model embodiment provides a kind of 5M level tank volumetric calibration to equip, liquid level gauge is taked to coordinate the method for high precision mass flowmeter automatically to measure the volume of tank, and carry out automatic calibration and the demarcation of mass flowmeter before measuring, can effectively ensure volumetric calibration precision.
A kind of 5M level tank volumetric calibration equipment that the utility model one embodiment provides comprises: at least one fluid reservoir 1, flowmeter 7, flowmeter calibrating installation, liquid pump 2 and liquid level gauge 4; At least one fluid reservoir 1 described is connected with liquid pump 2; Described liquid pump 2 is connected with the liquid inlet at the bottom of tank 3 casees by described flowmeter 7; Described flowmeter calibrating installation is connected with described flowmeter 7; Described liquid level gauge 4 is arranged at tank 3 top;
Wherein, described flowmeter calibrating installation comprises: liquid case 5 of weighing, electronic scale 15, impulse meter, circulation fluid case 8 and liquid distributing device 6; Described liquid distributing device 6 comprises two liquid outlets and an inlet; Described two liquid outlets are connected with described liquid case 5 and the described circulation fluid case 8 of weighing respectively; Described inlet is connected with described flowmeter 7; Described circulation fluid case 8 is connected with at least one fluid reservoir 1 described; Weigh bottom liquid case 5 described in described electronic scale 15 is arranged at; Described impulse meter is connected with described flowmeter 7.
A kind of 5M level tank hydraulic pressure strength test that the utility model provides and volumetric calibration equipment, liquid level sensor is utilized to coordinate the method for high precision mass flowmeter automatically to measure, carry out flow meter before measuring and carry out automatic calibration, effectively can ensure the precision of volumetric calibration.
Accompanying drawing explanation
The structural representation of a kind of 5M level tank volumetric calibration equipment that Fig. 1 provides for the utility model one embodiment;
The pylon structure schematic diagram of a kind of 5M level tank volumetric calibration equipment that Fig. 2 a ~ 2c provides for the utility model one embodiment;
The method flow diagram of a kind of equipment Test tank hydraulic volume utilizing the utility model to provide that Fig. 3 provides for the utility model one embodiment;
The method flow diagram of a kind of equipment Test tank hydraulic pressure strength utilizing the utility model to provide that Fig. 4 provides for the utility model one embodiment.
1, fluid reservoir; 2, liquid pump; 3, tank; 4, liquid level gauge; 5, to weigh liquid case; 6, liquid distributing device; 7, flowmeter; 8, circulation fluid case; 9, buffer tank; 10, variable valve; 11, commutator; 12, filtrator; 13, hydraulic pressure transducer; 14, ball-cock assembly; 15, electronic scale.
Embodiment
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The structural representation of a kind of 5M level tank volumetric calibration equipment that Fig. 1 provides for the utility model one embodiment, as shown in Figure 1, this 5M level tank volumetric calibration equipment comprises: at least one fluid reservoir 1, flowmeter 7, flowmeter calibrating installation, liquid pump 2 and liquid level gauge 4; At least one fluid reservoir 1 is connected with liquid pump 2; Liquid pump 2 is connected with the liquid inlet at the bottom of tank 3 casees by flowmeter 7; Flowmeter calibrating installation is connected with flowmeter 7; Liquid level gauge 4 is arranged at tank 3 top.
The process of volumetric calibration is: first flow meter 7 is calibrated, and then can start filling liquid medium in tank 3.Gathered the height of liquid in tank 3 by liquid level gauge 4, and the data combined through the flowmeter 7 of calibration can obtain tank 3 volume corresponding at each node liquid level place.
It will be understood by those skilled in the art that quantity and the model of fluid reservoir 1 can be determined according to tank 3 size.In the utility model one embodiment, the quantity of fluid reservoir 1 is two, and the volume sum of such two fluid reservoirs 1 equals tank 3 volume.And fluid reservoir 1 is provided with joint flange between helper, manhole, fence, liquid level gauge, run-down pipe, water-in flange, water-output flange, tank, manually and the parts such as operated pneumatic valve, all pipeline parts are stainless steel, and sealing property is reliable.The utility model does not limit the quantity of fluid reservoir 1 and model.
Flowmeter calibrating installation specifically comprises: liquid case 5 of weighing, electronic scale 15, impulse meter, circulation fluid case 8 and liquid distributing device 6; Liquid distributing device 6 comprises two liquid outlets and an inlet; Two liquid outlets are connected with weigh liquid case 5 and circulation fluid case 8 respectively; Inlet is connected with flowmeter 7; Circulation fluid case is connected with at least one fluid reservoir 1; Electronic scale 15 is arranged at bottom liquid case 5 of weighing; Impulse meter is connected with flowmeter 7.
In the utility model one embodiment, this flowmeter calibrating installation also comprises commutator 11 and variable valve 10; The inlet of commutator 11 is connected with flowmeter 7 by variable valve 10, and regulates the liquid outlet of commutator 11 to aim at circulation fluid case 8 or liquid case 5 of weighing by variable valve 10.
Treat that the calibration process of check and punctuate is as follows for one of flowmeter calibrating installation flow meter 7: the liquid in fluid reservoir 1 is delivered to liquid distributing device 6 by flowmeter 7 by liquid pump 2, guiding fluid is weighed liquid case 5 by liquid distributing device 6, then liquid case 5 of weighing is weighed to the liquid imported through flowmeter 7, and calculates the current correction instrument coefficient treating check and punctuate in conjunction with the weighing results of flowmeter 7.Liquid is wherein imported circulation fluid case 8 by leakage fluid dram by liquid case 5 of then weighing, and the liquid in circulation fluid case 8 is capable of circulation to be got back in fluid reservoir 1 again to utilize.Then the liquid in fluid reservoir 1 is delivered to liquid distributing device 6 by flowmeter 7 and starts for the current correction next time treating check and punctuate by liquid pump 2 again, and obtains correction instrument coefficient.When the umber of pulse of the impulse meter be connected with flowmeter 7 reaches three times, calculate the error corrected between the instrument calibration coefficient that obtains for three times and whether be less than 5/10000ths.If so, then current treat check and punctuate calibration complete; Otherwise what need flow meter 7 treats that calibration is read in check and punctuate again.
In the utility model one embodiment, (be not less than 0.05% to the flow rate test accuracy requirement of mass flowmeter, traffic requirement during test is 200m to the relevant regulations that the calibration process of flowmeter calibrating installation meets in national metrological verification regulations JJG897-1995 " mass flowmeter "
3/ h), be stainless steel with the parts material requirements of water contact portion in device, and have the impact of head of prevention of water and the requirement of protection electronic scales.The utility model embodiment, by increasing flowmeter calibrating installation, makes equipment itself possess self-calibration function, achieves the real time calibration of flowmeter 7.
In the utility model one embodiment, flowmeter 7 is high precision mass flowmeter, and this high precision flow has enhancement mode core processor, and dispatch from the factory flow accuracy 0.05%, and biggest quality flow value is 545 tons/hour, withstand voltage 10.3MPa, and material is stainless steel.Test(ing) medium density measurement precision 0.0002g/cm
3, mass rate repeatability 0.025% flow, zero stability 40.91kg/h.
In another embodiment of the utility model, the quantity of flowmeter 7 is two, and one is Mass Flow Meter 7, and another is small-range flowmeter 7.Wherein, the large flow rate filling that the tank 3 that Mass Flow Meter 7 provides for the utility model one embodiment is annotated in annotation process, small-range flowmeter 7 is for low flow rate filling.Quantity and the model of the utility model flow meter 7 do not limit.
In the utility model one embodiment, as shown in Figure 1, this 5M level tank volumetric calibration equipment also can comprise hydraulic pressure transducer 13.This hydraulic pressure transducer 13 is arranged at the liquid inlet place at the bottom of tank 3 casees, is detected the welding quality of each weld seam in tank 3 with liquid full load in tank 3 by hydro-test.By applying the hydraulic pressure (as 1.05 times) slightly larger than maneuvering load to tank, the impact on tank overall performance such as the welding quality of tank, welding residual stress and welding deformation comprehensively can be examined.
In the utility model one embodiment, this 5M level tank volumetric calibration equipment also can comprise deionized water preparation facilities.This deionized water preparation facilities is connected with fluid reservoir 1, for injecting deionized water as test(ing) medium liquid in fluid reservoir 1.Adopt deionized water to carry out alternative potassium dichromate aqueous solution of the prior art as test(ing) medium liquid, can avoid so on the one hand producing galvanic corrosion, on the other hand environmentally safe, and to operating personnel's fanout free region.
In the utility model one embodiment, as shown in Figure 1, this 5M level tank volumetric calibration equipment also can comprise: buffer tank 9, filtrator 12 and distribution platform.Buffer tank 9 has two imports and two outlets, an import of buffer tank 9 is connected with distribution platform; Another import of buffer tank 9 is connected with liquid pump 2; An outlet of buffer tank 9 is connected with flowmeter 7 by filtrator 12; Another outlet of buffer tank 9 is connected with the liquid inlet at the bottom of tank 3 casees.Buffer tank 9 can tank 3 pressure stability in warranty test process, and the working pressure set by buffer tank 9 can be determined according to the highest pressure-bearing pressure of tank 3, and the actuating medium of buffer tank 9 is pure water and pressurized air, and tank body material is stainless steel.Filtrator is used for filtering liquid, improves liquid pure cleanliness.Distribution platform for opening and closing operated pneumatic valve, also for buffer tank input pressurised driving gas.
In the utility model one embodiment, this 5M level tank volumetric calibration equipment also comprises a pylon structure, for fixing the position of tank 3 in experimentation.
The pylon structure schematic diagram of a kind of 5M level tank volumetric calibration equipment that Fig. 2 a ~ 2c provides for the utility model one embodiment.Wherein, Fig. 2 a is the stereographic map of pylon structure, and Fig. 2 b is the sectional view of pylon structure, and Fig. 2 c is the front elevation of pylon structure.Composition graphs 2a, 2b, 2c, this pylon structure is sandwich construction, and after pylon integral installation, perpendicular detection verticality on omnidistance height is less than 10mm; Pylon vertical direction is provided with the concentric circles for the fixing tank 3 in vertical state, tank 3 is maintained in tower center; The tank approaching side of pylon is provided with the reverse turning bed structure split, and described turnover panel realizes turnover panel folding by windlass, wire rope, pull bar and linkage, and realizes the importing of tank 3 with the folding of turnover panel and fix; The opening and closing position of turnover panel is provided with mechanical interlocking and stop; Every one deck of pylon is provided with camera monitoring device, carries out full surface monitoring to test tank 3; At interlayer design helper, guardrail and the elevator interface of pylon, access to elevators is that channel-section steel welds and arranges guardrail, and passage end is connected with escalator, and interface ensures to mate safety with elevator floor height.Pylon every layer configuration illumination measures, high pressure gas interface and power interface, be convenient to carry out operation on frame.Support platform is the cast iron platform of adequacy test tank 3 diameter, carries out actual effect process and make stress relief complete after casting.Platform processing request is: flatness≤0.08mm; The upper bottom surface depth of parallelism≤0.05mm; Circularity≤0.08mm, is connected with supporting ground by foot bolt.
In the utility model one embodiment, this 5M level tank volumetric calibration equipment also comprises: ball-cock assembly 14.Ball-cock assembly 14 is arranged on the manhole flange blanking cover of tank 3, for opening manhole flange blanking cover when being discharged by liquid in tank 3, to make tank 3 inside and ambient atmosphere UNICOM after getting rid of the liquid medium in tank 3.
In the utility model one embodiment, in order to realize more intelligently manipulating easily, this 5M level tank volumetric calibration equipment also comprises a set of central control system.This central control system comprises frequency conversion tank, PLC electrical control cubicles, automatically controlled control desk, gas control control desk, video monitoring platform.Central control system mainly uses industrial PLC and Industrial Control Computer (comprising: automatically controlled control desk, gas control control desk, video monitoring platform) to be shown system by configuration software, utilize the language such as SQL to be kept in the frequently-used data library files such as Access by some important data, these data can be read in the office documents such as Excel by the program of the conventional language compilation such as VB.Carry out communication by Transmission Control Protocol between configuration software and PLC, two Industrial Control Computers can be realized and PLC is controlled simultaneously, Industrial Control Computer realizes two-node cluster hot backup, prevent the empirical risk brought because of industrial computer fault.In the utility model one embodiment, this central control system can be divided into automatically and manual two kinds of control models, and manual mode can operate separately the unit such as pneumatic valve, pump, commutator, completes various control flow according to test demand.Automatic mode can realize full-automatic completion system flow process according to initialize program, increases work efficiency, and strengthens the stability of system.
A kind of 5M level tank volumetric calibration equipment that the utility model provides, utilizes liquid level sensor to coordinate the method for high precision mass flowmeter automatically to measure, carries out automatic calibration and the demarcation of mass flowmeter before measuring, effectively can ensure the precision of volumetric calibration.Compared with weight method of the prior art, the dynamic flow measurement method that this equipment realizes, has convenient, swift to operate, the accuracy advantages of higher of verification.In addition, light water is prepared as conductivity and is not more than the deionization pure water of 10 μ A/cm as test(ing) medium by the utility model employing water generator, ensure that product exempts from corrosion risk on the one hand, on the other hand, pure water is to human body and all harmless material of environment, human contact and all there is not any risk with rear discharge.Secondly, the utility model adopts central control system, by experiment process optimization, by arranging the measurement means such as pressure transducer, temperature sensor and liquid level sensor, utilize PLC to carry out data acquisition, adapted industrial computer, as host computer, can realize remote auto and control or independent Non-follow control.
The method flow diagram of a kind of equipment demarcation tank hydraulic volume utilizing the utility model to provide that Fig. 3 provides for the utility model one embodiment.As shown in Figure 3, the method for this demarcation tank hydraulic volume comprises:
Step 110: utilize liquid case 5 of weighing to weigh the weight of liquid stream overcurrent gauge 7, recycling impulse meter collection liquid flows through the umber of pulse that flowmeter 7 sends.
In the utility model one embodiment, can be used in tank 3 volumetric calibration process in flowmeter 7 calibration process the flow point calibrated.Start tank 3 after selecting flow point to demarcate, calibration process can be divided into liquid level small change, little pump low flow rate filling, and large pump high volume filling, little pump low discharge is demarcated and treated marked point process.Utilize the original state that liquid level small change determination tank 3 is annotated.Initial use low flow rate filling can avoid flow rate of liquid overshoot to damage product.Middle use large flow rate filling, saves time.Last treats that punctuate uses low flow rate filling can guarantee the precision of annotating.After all flow processs terminate, central control system can eject tank 3 and demarcate end prompted dialog frame, and the data of now demarcating have been kept in database, and the program that VB can be utilized to write, is kept at nominal data in EXCEL.
Step 120: the data on flows gathered according to weight and the flowmeter 7 of liquid stream overcurrent gauge 7, treats that check and punctuate are calibrated for one of flow meter 7.
Step 130: at least repeat again to treat the above-mentioned calibration process of check and punctuate to this 2 times.
Step 140: judge whether that the error of at least three calibration results is in preset range; If not, prompting needs to recalibrate this of flowmeter 7 and treats check and punctuate.
In the utility model one embodiment, treat that the way that the flow value of check and punctuate adopts PID frequency control to control in conjunction with variable valve 10 aperture is set up to realize flow.
Step 150: utilize the flowmeter 7 pairs of tanks 3 through calibration to carry out filling and demarcate, obtain the volume that tank 3 is corresponding at each node liquid level place.
In the utility model one embodiment, the volume data of tank 3 can be input to central control system and form database.Also by the mode of manually filling in by the relevant information of equipment as the relevant informations such as device name, model specification, device numbering, manufacturing firm, client, environment temperature, relative humidity, atmospheric pressure are input in the database of central control system.
The method flow diagram of a kind of equipment Test tank hydraulic pressure strength utilizing the utility model to provide that Fig. 4 provides for the utility model one embodiment.As shown in Figure 4, the method for this test tank hydraulic pressure strength comprises:
Step 210: by the liquid filling in buffer tank 9 to tank 3, tank 3 is filled by operation distribution platform.
Step 220: distribution platform continues pressurization, after being added to rated pressure, closing variable valve 10, carries out pressurize to tank 3.
Step 230: the face of weld of visual examination tank 3 after pressurize completes.
Step 240: carry out pressure release to the liquid in tank 3, when pressure is let out to during lower than maintenance ball-cock assembly 14 weight, ball-cock assembly 14 opens to be connected with outside atmosphere tank 3 inside.
In the utility model one embodiment, before carrying out volumetric calibration or hydraulic pressure strength test, flow meter 7 is all needed to calibrate.But, before flow meter 7 is calibrated, also need to carry out following set-up procedure:
First, prepare deionized water and deionized water is stored.Utilize and prepare conductivity not higher than the A level deionized water of 10uA/cm by water generator, the deionized water of preparation is left in fluid reservoir 1 for subsequent use.Deionized water also needs to carry out periodic monitoring, in observation process, if water pollution is comparatively light in fluid reservoir 1, the water in fluid reservoir 1 can be carried out circularly purifying, keep water quality qualified.If water pollutions is heavier or interval time is longer in fluid reservoir 1, water quality reaching standard can not be realized within a short period of time through self-loopa water, then need one of them fluid reservoir 1 emptying, the water in another fluid reservoir 1 is utilized to carry out water processed as water source, be used to complete rear tap water and carry out water processed as water source, until meet request for utilization.
Secondly, tank 3 to be overturn upper pylon structure in place.Utilize special overturn suspender, tank 3 is turn to vertical state by horizontality, recycle overhead traveling crane by tank 3 handling in pylon structure, and be placed on the test base bottom pylon structure.In handling process, need ensure that tank 3 does not collide with pylon structure on the one hand, need ensure that tank 3 is concentric with test base on the other hand.Manhole flange mouth bottom tank 3 is connected with liquid inlet and hydraulic pressure transducer respectively.
Again, self-inspection is equipped.Utilize distribution platform to 5M level tank volumetric calibration equipment for driving gas, distribution platform is used for the opening and closing of operated pneumatic valve and inputs pressurised driving gas to buffer tank 9.After powering to this equipment air feed, equipment self-checking function is utilized to detect whether normal for the parameter of the frequency converter frequency in equipment, valve opening and closing, variable valve opening and closing and each sensor.
Finally, washover is degassed.Utilize the pure water in fluid reservoir 1 to be discharged by the gas in all pipelines of equipment, preventing gas from biting liquid pump generation gas affects the liquid pump life-span.Meanwhile, gas also can affect the precision of flowmeter and the acquisition precision of sensor, thus affects the precision of complete equipment, therefore needs to carry out washover degassed, to be discharged by all gas in pipeline.
In the utility model one embodiment, after carrying out volumetric calibration or hydraulic pressure strength test, also need to carry out reclaiming test deionized water used, the water be filled in tank 3 is returned in two fluid reservoirs 1 by liquid pump 2, automatically can realize deionized water by the corresponding flow process controlling central control system and reclaim.Then, also need tank 3 undercarriage to dry, after having tested, connecting line is removed, open test tower body panel, tank 3 is hung out test pylon.Then by tank 3 by vertical state turnover to horizontality, be placed in Special support frock.Utilize fan blower to blowing hot-air in tank 3, realize the oven dry of moisture in tank 3, prevent product from producing corrosion.
Above-described embodiment is only for illustrating technical conceive of the present utility model and feature; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. a 5M level tank volumetric calibration equipment, is characterized in that, comprising: at least one fluid reservoir (1), flowmeter (7), flowmeter calibrating installation, liquid pump (2) and liquid level gauge (4); Described at least one fluid reservoir (1) is connected with liquid pump (2); Described liquid pump (2) is connected with the liquid inlet at the bottom of tank (3) case by described flowmeter (7); Described flowmeter calibrating installation is connected with described flowmeter (7); Described liquid level gauge (4) is arranged at tank (3) top;
Wherein, described flowmeter calibrating installation comprises: liquid case (5) of weighing, electronic scale (15), impulse meter, circulation fluid case (8) and liquid distributing device (6); Described liquid distributing device (6) comprises two liquid outlets and an inlet; Described two liquid outlets are connected with described liquid case (5) and the described circulation fluid case (8) of weighing respectively; Described inlet is connected with described flowmeter (7); Described circulation fluid case (8) is connected with described at least one fluid reservoir (1); Weigh described in described electronic scale (15) is arranged at liquid case (5) bottom; Described impulse meter is connected with described flowmeter (7).
2. equipment according to claim 1, is characterized in that, described flowmeter calibrating installation comprises commutator (11) and variable valve (10) further; The inlet of described commutator (11) is connected with described flowmeter (7) by described variable valve (10), and pass through described variable valve (10) regulate the liquid outlet of described commutator (11) aim at described circulation fluid case (8) or described in weigh liquid case (5).
3. equipment according to claim 2, is characterized in that, comprises hydraulic pressure transducer (13) further; Described hydraulic pressure transducer (13) is arranged at the liquid inlet place at the bottom of tank (3) case.
4. equipment according to claim 3, is characterized in that, comprises deionized water preparation facilities further; Described deionized water preparation facilities is connected with described at least one fluid reservoir (1).
5. equipment according to claim 4, is characterized in that, comprises further: buffer tank (9), filtrator (12) and distribution platform;
Described buffer tank (9) has two imports and two outlets, an import of described buffer tank (9) is connected with described distribution platform; Another import of described buffer tank (9) is connected with described liquid pump (2); An outlet of described buffer tank (9) is connected with described flowmeter (7) by described filtrator (12); Another outlet of described buffer tank (9) is connected with the liquid inlet at the bottom of tank (3) case.
6. equipment according to claim 5, it is characterized in that, comprise further: ball-cock assembly (14), described ball-cock assembly (14) is arranged on the manhole flange blanking cover of tank (3), for opening manhole flange blanking cover when being discharged by liquid in tank (3).
7. equipment according to claim 6, is characterized in that, comprises further: pylon structure;
Described pylon structure is sandwich construction; Pylon vertical direction is provided with the concentric circles for the fixing tank (3) in vertical state; The tank approaching side of pylon is provided with the panel turnover mechanism split, for being realized the importing of tank (3) by turnover panel folding and fixing; The opening and closing position of described panel turnover mechanism is provided with mechanical interlocking and stop; Every one deck of pylon is provided with camera monitoring device and lighting device; At interlayer design helper, guardrail and the elevator interface of pylon.
8. equipment according to claim 7, is characterized in that, described equipment also comprises central control system further; Described central control system comprises frequency conversion tank, PLC electrical control cubicles, automatically controlled control desk, gas control control desk, video monitoring platform.
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| CN201520088811.1U CN204514416U (en) | 2015-02-06 | 2015-02-06 | A kind of 5M level tank volumetric calibration equipment |
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| CN201520088811.1U CN204514416U (en) | 2015-02-06 | 2015-02-06 | A kind of 5M level tank volumetric calibration equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104634409A (en) * | 2015-02-06 | 2015-05-20 | 中国运载火箭技术研究院 | 5M-level storage box volume calibrating device and method |
| CN114440133A (en) * | 2021-12-17 | 2022-05-06 | 河南平高电气股份有限公司 | For SF6Monitoring module of inflation and deflation recovery device and flow meter deviation rectifying method |
-
2015
- 2015-02-06 CN CN201520088811.1U patent/CN204514416U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104634409A (en) * | 2015-02-06 | 2015-05-20 | 中国运载火箭技术研究院 | 5M-level storage box volume calibrating device and method |
| CN104634409B (en) * | 2015-02-06 | 2019-03-26 | 中国运载火箭技术研究院 | A kind of 5M grades of tank volumetric calibration equipment and method |
| CN114440133A (en) * | 2021-12-17 | 2022-05-06 | 河南平高电气股份有限公司 | For SF6Monitoring module of inflation and deflation recovery device and flow meter deviation rectifying method |
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