CN204338304U - A kind of solid-liquid grading plant - Google Patents
A kind of solid-liquid grading plant Download PDFInfo
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- CN204338304U CN204338304U CN201420681952.XU CN201420681952U CN204338304U CN 204338304 U CN204338304 U CN 204338304U CN 201420681952 U CN201420681952 U CN 201420681952U CN 204338304 U CN204338304 U CN 204338304U
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Abstract
The utility model proposes a kind of solid-liquid grading plant, comprise: bucket type barrel, overflow launder, flow detector, pump pond, pump, speed change discharge apparatus, densimeter, flow divider, comparison controller, some connecting pipes and connection line, described overflow launder is arranged at the open top periphery of described bucket type barrel, and bottom it, be connected with overflow drainage line, described flow divider is arranged in described overflow drainage line, and its first discharging port is connected to pump pond by overflowing back pipe material, described speed change discharge apparatus is arranged at the outlet at bottom of described bucket type barrel, described flow detector is arranged on overflow launder, described densimeter is arranged on desilting discharge line, described comparison controller is connected to described flow detector, speed change discharge apparatus, densimeter and flow divider.Flow detector is introduced in the utility model innovation and densimeter carries out classifying by equal falling, achieves the accurate control of solid-liquid two-phase flow slurries graded product granularity and concentration, improves classification quality and efficiency.
Description
Technical field
The utility model relates to stock grading technical field, especially relates to a kind of solid-liquid grading plant, relates to a kind of grading plant being widely used in the solid-liquid two-phase flow slurries of the industries such as environmental protection, mine, metallurgy, building materials, chemical industry more specifically.
Background technology
In industries such as environmental protection, mine, metallurgy, building materials, chemical industry, often to carry out the progressive operation of solid-liquid two-phase flow slurries, especially, in ore pulp classification, desliming operation, usually all need the solids in ore pulp slurries to be classified as fine fraction product and coarse fraction product according to the difference such as granularity and proportion.The domestic and international graded desliming equipment for solid-liquid two-phase flow slurries mainly contains cyclone, spiral classifier, dense bucket, incline board concentrating box etc. at present, these equipment in use have following main feature: 1. cyclone is mainly used in the closed circuit classification of ore grinding and desliming, advantage is that disposal ability is large, product design is high, and grinding system water consumption is few; Shortcoming is that power consumption is comparatively large, and operation easier is higher, product granularity and the bad control of concentration, classification efficiency about 55%; 2. spiral classifier is used for forming closed circuit classification with ore mill, and advantage is working stability, has from enhanced feature; Shortcoming is before classification and sand return needs the tune thin liquid pulp concentration that adds water, and water consumption is many, and product pulp density is rare, and disposal ability is little, and classification matter efficiency is about 35%.3. dense bucket is mainly used in the pre-classification of gravity separation technology desliming and open-circuit grinding, equipment non-power consumption, and structure is simple, but shortcoming is desilting concentration is difficult to control, and discharge is obstructed, and desliming efficiency is low; 4. incline board concentrating box is mainly used in desliming dehydration, and unit capacity is comparatively large, but have be difficult to control with the desilting concentration that dense bucket is the same, discharge is obstructed, the inefficient shortcoming of desliming.Therefore the ubiquitous defect of graded desliming equipment of solid-liquid two-phase flow slurries of the prior art be that classification efficiency is low, product granularity and the bad control of concentration, the fine fraction product that requires and coarse fraction product cannot be obtained.
Summary of the invention
The utility model is based on above-mentioned prior art problem, the solid-liquid grading plant of a kind of brand new of proposition of innovation, especially for two phase flow slurries, there is good grading effect, solid-liquid grading plant described in the utility model by installing flow detector on the overflow launder of bucket type barrel, densimeter installed by the desilting discharge line of bucket type barrel, utilize the principle that in solid-liquid two-phase flow slurries, solids granularity is different with difference sinking speed in water of proportion, detect discharge concentration in real time by flow detector Real-Time Monitoring excess flow and densimeter and come Based Intelligent Control inlet amount and withdrawal rate, reach dynamic equilibrium, realize the classification by waiting reduction of speed degree to carry out solids, the accurate control of solid-liquid two-phase flow slurries graded product granularity and concentration is achieved with the manipulation of full-automation, obtain the higher fine fraction product of classification quality and coarse fraction product, innovate environmental protection, mine, metallurgical, building materials, solid-liquid two-phase flow slurries grading plant in the industries such as chemical industry.
It is as follows that the utility model solves the problems of the technologies described above taked technical scheme:
A kind of solid-liquid grading plant, comprising: bucket type barrel 1, overflow launder 3, flow detector 5, pump pond 10, pump 9, speed change discharge apparatus 7, densimeter 8, flow divider 4, comparison controller 6, some connecting pipes and connection line, described pump 9 is arranged in pump pond 10, the pumping line outlet of described pump 9 is connected to described bucket type barrel 1, described overflow launder 3 is arranged at the open top periphery of described bucket type barrel 1, the bottom of described overflow launder 3 is connected with overflow drainage line, described flow divider 4 is arranged in described overflow drainage line, and comprise two discharging ports, first discharging port is connected to described pump pond 10 by overflowing back pipe material, second discharging port connects overflow drain road, the material inlet of described speed change discharge apparatus 7 is connected to the outlet at bottom of described bucket type barrel 1, the material outlet of described speed change discharge apparatus 7 connects desilting discharge line, described flow detector 5 is arranged on described overflow launder 3, described densimeter 8 is arranged on described desilting discharge line, described comparison controller 6 is connected to described flow detector 5, speed change discharge apparatus 7, densimeter 8 and flow divider 4.
Further according to solid-liquid grading plant described in the utility model, wherein said flow detector 5, flow divider 4 and comparison controller composition rising excess flow control unit, described speed change discharge apparatus 7, densimeter 8 and comparison controller composition desilting discharge concentration control unit.
Further according to solid-liquid grading plant described in the utility model, wherein said comparison controller is connected to described pump 9.
Further according to solid-liquid grading plant described in the utility model, wherein said bucket type barrel 1 is Upper cylindrical cylinder, the barrel of funnel structure of lower cone cylinder, and the bottom end opening of cylindrical drum is integrally connected to the top end opening of taper cone barrel, the center of inside of described cylindrical drum is provided with material filling cylinder 2, the pumping line outlet of described pump is connected to the open top of described material filling cylinder 2, the cone bottom outlet of described taper cone barrel is connected to the material inlet of described speed change discharge apparatus, described overflow launder 3 is formed as annular groove-shaped structure around the open top periphery of described cylindrical drum.
Further according to solid-liquid grading plant described in the utility model, wherein said material filling cylinder 2 has cylindrical structure, and is arranged at the center of inside of bucket type barrel 1 Upper cylindrical cylinder along the central axis of bucket type barrel 1 Upper cylindrical cylinder.
Further according to solid-liquid grading plant described in the utility model, wherein also include clear water supplementary units, described clear water supplementary units is connected to the taper cone barrel sidewall of described bucket type barrel 1.
Further according to solid-liquid grading plant described in the utility model, wherein said flow divider 4 is Electrocontrolled tee valve, described flow detector is supersonic liquid level flowmeter, microwave meter or electromagnetic wave flowmeter, described speed change discharge apparatus 7 comprises screw pump and frequency-variable electronic device speed regulator, and described densimeter is the densimeter be made up of gamma ray density meter.
At least following technique effect can be reached by the technical solution of the utility model:
The utility model introduces flow detector and densimeter first in solid-liquid two-phase flow slurries grading plant, Real-Time Monitoring based on overflow flow velocity and discharge concentration balances the cyclic process of slurries, achieve the classification by waiting reduction of speed degree to carry out solids, substantially increase classification quality and classification efficiency, obtain the higher fine fraction product of classification quality and coarse fraction product, well meet user demand, wide popularization and application can be obtained, wide market in multiple industry fields such as environmental protection, mine, metallurgy, building materials, chemical industry.
Accompanying drawing explanation
Accompanying drawing 1 is the overall structure schematic diagram of solid-liquid grading plant described in the utility model.
In figure, the implication of each Reference numeral is as follows:
1-bucket type barrel, 2-material filling cylinder, 3-overflow launder, 4-flow divider, 5-flow detector, 6-comparison controller, 7-speed change discharge apparatus, 8-densimeter, 9-pump, 10-pump pond, 11-clear water supplementary units.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in detail, to enable those skilled in the art's understanding the utility model clearly, but does not therefore limit protection domain of the present utility model.
The overall structure of solid-liquid grading plant described in the utility model as shown in Figure 1, comprises bucket type barrel 1, overflow launder 3, flow divider 4, flow detector 5, comparison controller 6, speed change discharge apparatus 7, densimeter 8, pump 9, pump pond 10 and some connecting lines, connection line.Wherein said pump pond 10 is for storing solid-liquid two-phase flow slurries to be fractionated, as ore pulp, the entrance in described pump pond 10 is connected to charging gear by feed pipe, described pump 9 is placed in described pump pond 10, for the material pumping in pump pond 10 is exported, the pumping outlet of described pump 9 is connected to bucket type barrel 1 by feed pipe, described bucket type barrel 1 as shown in Figure 1, there is funnel-shaped structure, preferred described bucket type barrel 1 comprises cylindrical drum and the taper cone barrel of one connection, described cylindrical drum and taper cone barrel all adopt steel plate to make, and penetrating and its diameter equals the maximum gauge of taper cone barrel before and after described cylindrical drum, the bottom end opening of cylindrical drum is integrally connected to the open top of taper cone barrel, overall formation funnel-shaped structure, the structure of certain described bucket type barrel 1 is not as limit, as long as have funnel-form sedimentation structure, said structure belongs to preferred structure.The central authorities of the preferred cylindrical drum at described bucket type barrel 1 are provided with material filling cylinder 2 further, the cylindrical drum that the front and back that described material filling cylinder 2 also can be a minor diameter are penetrating, and described material is annotated, cylinder 2 is arranged in the cylindrical drum of bucket type barrel 1 along the central axis of the cylindrical drum of bucket type barrel 1, the outlet of the feed pipe of described pump 9 is connected to described material filling cylinder 2, thus be directly injected into the middle part of bucket type barrel 1 by material filling cylinder 2 by the solid-liquid two-phase flow slurries that pump 9 provides, more be convenient to fine particle stage material to overflow and the downward sedimentation of coarse fraction, as shown in fig. 1 by means of arrows, described material filling cylinder 2 is fixedly connected on the cylindrical drum inwall of bucket type barrel 1.Certain introducing above-mentioned material filling cylinder 2 is to better realize material filling, but is not therefore limited, and that is can select not arrange material filling cylinder 2, also can in the middle part of the cylindrical drum that bucket type barrel 1 is aimed in the outlet being now connected to the feed pipe of described pump 9.Overflow launder 3 is formed in the periphery of the Upper cylindrical cylinder of described bucket type barrel 1, described overflow launder 3 is formed as annular groove-shaped structure around the cylindrical drum periphery of bucket type barrel 1, enters the material in bucket type barrel 1 through the open top rim overflow of its cylindrical drum to enter in described overflow launder 3.Further on described overflow launder 3, (preferably on the overflow outlet of overflow launder) is provided with flow detector 5, described flow detector 5 can be real-time monitoring overflow enter slurry flow in overflow launder and in the unit interval, overflow enters the slurries amount in overflow launder, preferred described flow detector can adopt the flowmeter of existing arbitrary form, as the flowmeter based on supersonic liquid level, the monitoring to excess flow is realized by the liquid level change of unit interval in monitoring overflow launder, also microwave can be adopted, electromagnetic wave flowmeter etc., described flow detector 5 excess flow of monitoring can the rising overflow flow velocity of slurries in accurate response slurries classification process.The output signal end of described flow detector 5 is connected to comparison controller 6.The bottom of described overflow launder 3 is connected to flow divider 4 charging port by overflow passage, described flow divider 4 preferably Electrocontrolled tee valve, comprise a charging port, two discharging ports and a control signal end, the load of wherein said two discharging ports can control based on the automatically controlled signal of control signal end input, first discharging port of described flow divider 4 is connected to the entrance in pump pond 10 by feed back pipe, second discharging port of described flow divider 4 provides overflow material to export by overflow drain road, the control signal end of described flow divider 4 by connection in comparison controller 6, described comparison controller 6 controls the load of flow divider two discharging ports by providing control signal to flow divider, therefore the inventory of flow divider inflow pump pond 10 and overflow output can be controlled by described comparison controller 6.The cone bottom outlet of the taper cone barrel of described bucket type barrel 1 is connected to the material inlet of speed change discharge apparatus 7, described speed change discharge apparatus 7 is electrically connected at described comparison controller 6, and the control signal that provides of controller controls the coarse grain footpath desilting inventory of discharging through the taper cone barrel outlet at bottom of bucket type barrel based on the comparison, the material outlet of described speed change discharge apparatus 7 is connected to desilting discharge line, the desilting material discharge rate of bucket type barrel can be controlled dynamically by described speed change discharge apparatus 7, at the material outlet of described speed change discharge apparatus 7, the desilting discharge line that preferred material outlet connects is provided with densimeter 8, the desilting material concentration that described densimeter 8 is discharged through speed change discharge apparatus 7 for Real-Time Monitoring, described densimeter is electrically connected at described comparison controller 6 simultaneously, and by monitored discharge material concentration values real-time Transmission to comparison controller 6, thus make described comparison controller 6 can control the work of associated components based on desilting discharge concentration.Preferably non-essential, the taper cone barrel sidewall of described bucket type barrel 1 can introduce clear water supplementary units 11, by the described clear water supplementary units 11 clear water amount that manually adjustment is supplementary, strengthening classification and desliming effect.Preferably non-essential, described comparison controller 6 is electrically connected at described pump, can control the pump speed parameter of described pump where necessary, to balance material turnover amount based on the monitoring numerical value of flow detector and/or densimeter.Described comparison controller 6 can adopt existing common comparator, generation level controling signal is compared based on data, can adopt easy, without the need to relying on the pure hardware compare facilities of complex software, realize with low cost, also existing electronic automatic controller can be adopted, if any the proportional controller of signal input and output.Described speed change discharge apparatus 7 preferably comprises screw pump and frequency-variable electronic device speed regulator, the densimeter that described densimeter is preferably made up of gamma ray density meter.
Below the classification process utilizing described solid-liquid grading plant to carry out solid-liquid two-phase flow slurries is described, specifically comprises the following steps:
Step one, complete preliminary preparation, comprise and provide solid-liquid two-phase flow slurries by feed pipe to pump pond 10, and start pump 9 and provide a point stage material to bucket type barrel 1, start comparison controller 6 simultaneously, flow detector 5, flow divider 4, the relevant devices such as speed change discharge apparatus 7 and densimeter, after solid-liquid two-phase flow serum materials enters bucket type barrel 1, solids in slurries are due to particle diameter, the difference of proportion etc. starts classification of sedimentation, wherein fine particle stage material finally outwards exports fine fraction overflow product (overflow) through overflow launder to overflow, the downward sedimentation of coarse fraction material also exports coarse fraction sedimentation product (desilting) eventually through speed change discharge apparatus.
Step 2, stablize the rising excess flow of bucket type barrel, by described flow detector 5, flow divider 4(and/or pump 9) and comparison controller 6 form rising excess flow control unit, in order to adjustment and stable overflow size separation granularity, because when the excess flow that rises in bucket type barrel 1 is accelerated, the granularity of classification is thicker, and when rising excess flow is slack-off, partition size is thinner, by adjustment excess flow with regard to adjustable partition size, stablize overflow flow velocity and just can stablize partition size, therefore supporting above-mentioned rising excess flow control unit, when flow detector wherein detects that the excess flow entered in overflow launder diminishes, show that bucket type barrel rising flooding velocity declines, downward sedimentation is accelerated, need to increase the inlet amount in bucket type barrel, the signal that flow detector 5 detects exports comparison controller 6 to and processes, the excess flow scope of standard is prestored in described comparison controller, when the excess flow that flow detector detects is lower than critical field, the flow that described comparison controller controls the solid-liquid two-phase flow slurries entered in bucket type barrel increases, this control mode preferably realizes by the shunt volume of increase flow divider 4 to pump pond, flow divider 4 described above has two discharging ports, be connected to overflow reflux line and overflow drain road, wherein overflow reflux line is connected to pump pond, therefore comparison controller exports control signal to flow divider, control the shunt volume (overflow discharge rate correspondence reduce) of flow divider increase to pump pond return duct, described pump is arranged in pump pond, in the normal pump speeds range of operation of pump, pump speed output flow is improved by the liquid level increased in the inlet pressure of pump and pump pond, therefore when increasing flow divider to shunt volume in pump pond, liquid level in pump pond is caused to raise, and then the pump discharge of pump 9 strengthens, the mass flow be pumped to like this in bucket type barrel will increase, the excess flow of bucket type barrel is caused to increase, excess flow is made to get back within the scope of established standards value, therefore the rising overflow flow velocity of scoop device is stabilized, stabilize partition size.With should flow detector wherein detect that entering excess flow in overflow launder becomes large time, show that bucket type barrel rising flooding velocity is very fast, constant speed sedimentation is slower, need the appropriate inlet amount reducing bucket type barrel, the signal that flow detector 5 detects exports comparison controller 6 to and processes, described comparison controller exports control signal by comparing to flow divider, control the shunt volume (overflow discharge rate correspondence increase) of flow divider minimizing to pump pond return duct, liquid level in pump pond is caused to decline, and then the pump discharge of pump will reduce in pump pond, the mass flow be pumped to like this in bucket type barrel will reduce, the excess flow of bucket type barrel is caused to reduce, excess flow is made to get back within the scope of established standards value, therefore the rising overflow flow velocity of scoop device is stabilized, stabilize partition size.In most cases, by controlling flow divider to the slurry diversion amount in pump pond, utilize liquid level change in pump pond to cause pump inlet pressure to change, and then cause the change of pump discharge effectively can balance the change of rising excess flow, be stabilized in constant critical field.Preferably also balance rising overflow flow velocity by the pump speed of control pump further, namely as shown in dotted line in accompanying drawing 1, comparison controller is electrically connected at pump further, when the excess flow that flow detector 5 detects is lower than critical field, comparison controller exports the control signal improving pump speed to described pump, when the excess flow that flow detector 5 detects is higher than critical field, comparison controller exports the control signal reducing pump speed to described pump, thus by the constant range of the above-mentioned overflow flow speed stability of bucket type barrel.Mode pump speed and flow divider shunt volume preferably can being taked simultaneously to control to combine further carrys out stable rising overflow flow velocity, and therefore the utility model is not limited.By stable rising overflow flow velocity and Absorbable organic halogens ascending water speed, thus stabilize partition size, ensure that classification quality and efficiency.
Step 3, the desilting discharge concentration of bucket type barrel stablized.For ensureing, according to waiting reduction of speed degree classification of sedimentation to go out fine fraction product and coarse fraction product, except the rising overflow flow velocity needing stable slurry, also to need the desilting discharge concentration after stable slurry sedimentation.Concrete by speed change discharge apparatus 7, densimeter 8 and comparison controller composition desilting discharge concentration control unit, to detect in real time based on discharge concentration and by discharge concentration stabilize in critical field, concrete densimeter detects the concentration of the desilting material of the speed change discharge apparatus discharge of installing through bucket type barrel desilting exhaust end in real time, and by detected desilting concentration real-time Transmission to comparison controller, the desilting concentration range of standard is prestored in described comparison controller, when the desilting concentration receiving densimeter detection exceeds the critical field wherein prestored, described comparison controller exports control signal to speed change discharge apparatus, the discharge velocity controlling described speed change discharge apparatus increases, with the increase balance desilting discharge concentration by withdrawal rate, when the critical field prestored during the desilting concentration that densimeter detects is lower than comparison controller, described comparison controller exports control signal to speed change discharge apparatus, the discharge velocity controlling described speed change discharge apparatus reduces, to improve desilting concentration by the reduction of withdrawal rate.By this Concentration Testing FEEDBACK CONTROL, by the desilting discharge concentration stabilize of bucket type barrel in critical field.
The utility model utilizes bucket type barrel to carry out the classification of sedimentation of solid-liquid two-phase flow slurries, based on the difference of solid matter particle diameter and proportion, gravitational settling is utilized to realize the high-quality classification of fine fraction product and coarse fraction product, wherein fine fraction product rises overflow in bucket type barrel, the sedimentation in bucket type barrel of coarse fraction product is discharged, rising excess flow to bucket type barrel and the desilting discharge concentration of the utility model innovation have carried out real-time detection, and based on the inlet amount of detection signal FEEDBACK CONTROL bucket type barrel and withdrawal rate, the rising excess flow of bucket type barrel and desilting discharge concentration are stabilized in default critical field all dynamically, ensure that constant speed classification of sedimentation, and final classification goes out high-quality fine fraction product and coarse fraction product, substantially increase classification quality, the simultaneously Electric automatic control of controller based on the comparison, achieve the full-automation of two phase flow slurries class settling process, substantially increase classification efficiency, scheme described in the utility model can be widely used in environmental protection, mine, metallurgical, building materials, solid-liquid stock grading in multiple industry field such as chemical industry, there are wide market prospects.
Below be only preferred embodiment of the present utility model, protection domain of the present utility model be not only confined to above-mentioned preferred embodiment, all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, not departing from the some improvements and modifications under the utility model principle prerequisite, protection domain of the present utility model should be considered as.
Claims (7)
1. a solid-liquid grading plant, it is characterized in that, comprise: bucket type barrel (1), overflow launder (3), flow detector (5), pump pond (10), pump (9), speed change discharge apparatus (7), densimeter (8), flow divider (4), comparison controller (6), some connecting pipes and connection line, described pump (9) is arranged in pump pond (10), the pumping line outlet of described pump (9) is connected to described bucket type barrel (1), described overflow launder (3) is arranged at the open top periphery of described bucket type barrel (1), the bottom of described overflow launder (3) is connected with overflow drainage line, described flow divider (4) is arranged in described overflow drainage line, and comprise two discharging ports, first discharging port is connected to described pump pond (10) by overflowing back pipe material, second discharging port connects overflow drain road, the material inlet of described speed change discharge apparatus (7) is connected to the outlet at bottom of described bucket type barrel (1), the material outlet of described speed change discharge apparatus (7) connects desilting discharge line, described flow detector (5) is arranged on described overflow launder (3), described densimeter (8) is arranged on described desilting discharge line, described comparison controller (6) is connected to described flow detector (5), speed change discharge apparatus (7), densimeter (8) and flow divider (4).
2. solid-liquid grading plant according to claim 1, it is characterized in that, described flow detector (5), flow divider (4) and comparison controller composition rising excess flow control unit, described speed change discharge apparatus (7), densimeter (8) and comparison controller composition desilting discharge concentration control unit.
3. solid-liquid grading plant according to claim 1, is characterized in that, described comparison controller is connected to described pump (9).
4. solid-liquid grading plant according to claim 1, it is characterized in that, described bucket type barrel (1) is Upper cylindrical cylinder, the barrel of funnel structure of lower cone cylinder, and the bottom end opening of cylindrical drum is integrally connected to the top end opening of taper cone barrel, the center of inside of described cylindrical drum is provided with material filling cylinder (2), the pumping line outlet of described pump is connected to the open top of described material filling cylinder (2), the cone bottom outlet of described taper cone barrel is connected to the material inlet of described speed change discharge apparatus, described overflow launder (3) is formed as annular groove-shaped structure around the open top periphery of described cylindrical drum.
5. solid-liquid grading plant according to claim 4, is characterized in that, described material filling cylinder (2) has cylindrical structure, and is arranged at the center of inside of bucket type barrel (1) Upper cylindrical cylinder along the central axis of bucket type barrel (1) Upper cylindrical cylinder.
6. solid-liquid grading plant according to claim 4, is characterized in that, also includes clear water supplementary units, and described clear water supplementary units is connected to the taper cone barrel sidewall of described bucket type barrel (1).
7. the solid-liquid grading plant according to any one of claim 1-6, it is characterized in that, described flow divider (4) is Electrocontrolled tee valve, described flow detector is supersonic liquid level flowmeter, microwave meter or electromagnetic wave flowmeter, described speed change discharge apparatus (7) comprises screw pump and frequency-variable electronic device speed regulator, and described densimeter is the densimeter be made up of gamma ray density meter.
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| CN201420681952.XU CN204338304U (en) | 2014-11-15 | 2014-11-15 | A kind of solid-liquid grading plant |
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| CN201420681952.XU CN204338304U (en) | 2014-11-15 | 2014-11-15 | A kind of solid-liquid grading plant |
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| CN204338304U true CN204338304U (en) | 2015-05-20 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106680160A (en) * | 2017-02-28 | 2017-05-17 | 广西大学 | Continuous hydraulic analyzer adopting flow rising method and analysis method thereof |
| CN107202614A (en) * | 2017-07-26 | 2017-09-26 | 北京国华科技集团有限公司 | Static pressure type cylinder flowmeter |
| CN111957262A (en) * | 2020-08-04 | 2020-11-20 | 中冶北方（大连）工程技术有限公司 | Stirring tank overflow recovery system and control method thereof |
-
2014
- 2014-11-15 CN CN201420681952.XU patent/CN204338304U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106680160A (en) * | 2017-02-28 | 2017-05-17 | 广西大学 | Continuous hydraulic analyzer adopting flow rising method and analysis method thereof |
| CN106680160B (en) * | 2017-02-28 | 2023-10-20 | 广西大学 | Continuous hydraulic analyzer adopting updraft method and analysis method thereof |
| CN107202614A (en) * | 2017-07-26 | 2017-09-26 | 北京国华科技集团有限公司 | Static pressure type cylinder flowmeter |
| CN111957262A (en) * | 2020-08-04 | 2020-11-20 | 中冶北方（大连）工程技术有限公司 | Stirring tank overflow recovery system and control method thereof |
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