CN103149269A - Tracer agent addition device with continuous mixing machine - Google Patents
Tracer agent addition device with continuous mixing machine Download PDFInfo
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- CN103149269A CN103149269A CN2013100763982A CN201310076398A CN103149269A CN 103149269 A CN103149269 A CN 103149269A CN 2013100763982 A CN2013100763982 A CN 2013100763982A CN 201310076398 A CN201310076398 A CN 201310076398A CN 103149269 A CN103149269 A CN 103149269A
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- Prior art keywords
- mixing machine
- mixer
- tracer agent
- continuous mixing
- atomizer
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- 238000002156 mixing Methods 0.000 title claims abstract description 57
- 239000000700 radioactive tracer Substances 0.000 title claims abstract description 52
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 26
- 238000001802 infusion Methods 0.000 claims abstract description 18
- 238000003756 stirring Methods 0.000 claims abstract description 11
- 238000007599 discharging Methods 0.000 claims abstract description 10
- 230000001105 regulatory effect Effects 0.000 claims abstract description 9
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 48
- 239000000203 mixture Substances 0.000 claims description 37
- 239000011780 sodium chloride Substances 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 4
- 238000012360 testing method Methods 0.000 abstract description 9
- 229960002668 sodium chloride Drugs 0.000 description 20
- 235000002639 sodium chloride Nutrition 0.000 description 20
- 239000012530 fluid Substances 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 230000009466 transformation Effects 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 101100298225 Caenorhabditis elegans pot-2 gene Proteins 0.000 description 2
- 241000209149 Zea Species 0.000 description 2
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 2
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 2
- 235000005822 corn Nutrition 0.000 description 2
- ZXJXZNDDNMQXFV-UHFFFAOYSA-M crystal violet Chemical compound [Cl-].C1=CC(N(C)C)=CC=C1[C+](C=1C=CC(=CC=1)N(C)C)C1=CC=C(N(C)C)C=C1 ZXJXZNDDNMQXFV-UHFFFAOYSA-M 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 235000013312 flour Nutrition 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
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Abstract
The invention relates to the technical field of materials, and particularly relates to a tracer agent addition device with a continuous mixing machine and a tracer agent addition method for testing uniformity. The tracer agent addition device comprises the continuous mixing machine, wherein a tracer agent addition port is arranged in the side wall of a feeding port of the mixing machine and is provided with an atomizing nozzle which is sequentially connected with an infusion pump and a stirring device through a pipeline, wherein a flowmeter and a pressure detecting element are aslo arranged on the pipeline, and a regulating valve is arranged on the atomizing nozzle. When mixing uniformity is determined, after the mixing machine normally works, a tracer agent solution with certain concentration is mixed in a stirring tank and then is added to the mixing machine at a certain flow speed through the atomizing nozzle according to the capacity of the mixing machine, a sample is drawn from a discharging hole of the mixing machine, and the mixing uniformity of the sample is determined according to a national standard GB/T5918-2008 feed-product mixing uniformity determination method. The tracer agent addition device solves the problem that the uniformity indicator of the continuous mixing machine in the prior art cannot be accurately and really detected.
Description
Technical field
The present invention relates to the mixing of materials technical field, add the device and method of tracer agent during particularly for test continuous mixing machine material uniformity coefficient.
Background technology
Mixer is most important equipment in the Feed Manufacturing process, and its performance quality has directly determined quality and the culture efficiency of feed.Mixture homogeneity is one of Key Performance Indicator of weighing by mixer, and the type of mixer of producing in the market feed is more, but mainly concentrates on two types of batch and continous ways.According to GB " mensuration of GB/T5918-2008 feed product mixture homogeneity " regulation, the measuring method of feed product mixture homogeneity comprises chloride ion-selective electrode method and methyl violet.Wherein the chloride ion-selective electrode method has only been stipulated the analytical approach of sample, and methyl violet has been stipulated tracer agent batch adding method and the detection method of batch mixer, lacks the method to the tracer agent continuous adding of continuous mixing machine.Therefore, in prior art, still there is no for a long time a kind of adding method of suitable detection continuous mixing machine mixture homogeneity tracer agent, the uniformity coefficient of continuous mixing machine can't accurately be detected, also make the performance of continuous mixing machine can't accurate evaluation, affected the development of continuity mixer.
Summary of the invention
The present invention is directed to the problem that prior art exists, provide a kind of continuous mixing machine to add the device of tracer agent, be intended to evenly add in the continuous mixing machine tracer agent, conveniently realizing the mensuration of continuous mixing machine mixture homogeneity, and make test result true, reliable.
The object of the present invention is achieved like this, a kind of continuous mixing machine adds the device of tracer agent, comprise continuous mixing machine, described mixer charging aperture sidewall is provided with tracer agent and adds mouth, described tracer agent adds mouth and is provided with atomizer, described atomizer connects infusion pump and stirring apparatus successively by pipeline, also is provided with flowmeter and pressure detecting element on described pipeline, and atomizer is provided with variable valve.
Adopt device of the present invention, when carrying out mixture homogeneity mensuration, after the mixer normal operation, production capacity according to mixer, after certain density tracer agent solution is mixed in stirred pot, add to mixer with certain flow velocity from atomizer, then measure mixture homogeneity from the sampling of mixer discharging opening according to the chloride ion-selective electrode method of regulation GB " mensuration of GB/T5918-2008 feed product mixture homogeneity ".Adopt device of the present invention to add tracer agent, realized the mensuration of continuous mixing machine mixture homogeneity, and by atomizer, the tracer agent solution mist is changed into drop and add the fineness that had both guaranteed the spike examination in feed to, can realize again continuous adding liquid tracer in the mixer, can control by controlling flow the addition of liquid tracer in adding procedure, in adding procedure, it is more accurate that uniformity coefficient and consistance are controlled, and makes final mixture homogeneity measurement result more accurate.And the present invention produces atomizing by certain pressure and fully contacts and mix with powder, and realistic use scenes more can accurately detect the actual mixture homogeneity index of continuous mixing machine.The addition of tracer agent is relatively low, compare and add fixedly powdery tracer agent, device of the present invention adds certain density liquid tracer, and interpolation homogeneity and consistance are better, also make measurement result more can truly reflect the actual performance index of the mixture homogeneity of mixer.And this device can directly transformation use in existing continuous mixing machine.
For ease of the tracer agent preparation, described stirring apparatus comprises stirred pot, is provided with stirrer in stirred pot.
For ease of controlling the flow of infusion pump, described infusion pump exit is provided with surplus valve.
Fluid pressure when adding for ease of observing tracer agent, described pressure detecting element is tensimeter.
For further realizing this purpose, the present invention comprises that also a kind of continuous mixing machine adds the method for tracer agent, comprises the steps:
A) open continuous mixing machine, the charging aperture continuous adding material of the backward mixer that runs well, after machine working current to be mixed was stable, the actual production capacity of measuring mixer was G, unit is kg/h;
B) add a certain amount of sodium chloride and water in stirred pot, the preparation percent concentration is the sodium chloride solution of a;
C) determine the addition m of sodium chloride solution in the unit interval according to the production capacity of mixer, m=G/3600/ak, wherein k is the degree of sodium chloride in material after mixer mixes;
D) after the mixer normal operation, open infusion pump and atomizer, regulating transfusion pump and surplus valve make the flow stream pressure in pipeline stable, and the flow that flowmeter is shown by the liquid spray volume that variable valve is regulated atomizer is m(1 ± 1%), add in mixer continuously to guarantee the uniform liquid in pipeline;
E) after the numerical stability that pressure detecting element and flowmeter show, be some parts of the material of N every t minute from the mixer discharging opening weight of regularly taking a sample;
F) measure the mixture homogeneity of mixer by the 3rd joint chloride ion-selective electrode method in GB " mensuration of GB/T5918-2008 feed product mixture homogeneity ".
In method of the present invention, as tracer agent, add after material the quality impact on finished product feedstuff to little, and sodium chloride solution also facilitates the application of late detection method as tracer agent with sodium chloride solution; Certain density sodium chloride fully is dissolved in water, by the convenient addition of controlling sodium chloride of infusion pump, flowmeter and atomizer, has avoided the graininess tracer agent to add inhomogeneous stochastic error to measurement result.And sodium chloride is generally used in feed, and the continuation that does not affect the material later stage is used; Simultaneously sodium chloride is dissolved in water and adds mouth by tracer agent and be ejected into mixer charging aperture place through nozzle atomization and begin and mixing of materials, the actual applying working condition that meets continuous mixing machine, the actual performance index that more can reflect the continuous mixing machine mixture homogeneity, and this method is simple to operate, reliable, the measurement result authenticity is high, can directly use strong adaptability after simple transformation in existing continuous mixing machine.
For further optimizing method of the present invention, in described step b), a is 25%; In described step c), the k span is 0.5%～2%; In step e), t gets 2, and extracting material is 10 parts.
Description of drawings
Fig. 1 is the structural representation that continuous mixing machine of the present invention adds the device of tracer agent.
Wherein, 1 mixer; 101 tracer agents add mouth; 102 charging apertures; 103 discharging openings; 2 stirred pots; 201 stirrers; 3 infusion pumps; 4 pressure detecting elements; 5 flowmeters; 6 pipelines; 7 atomizers.
Embodiment
Be illustrated in figure 1 as the device that continuous mixing machine of the present invention adds tracer agent, comprise continuous mixing machine 1, mixer charging aperture 102 sidewalls are provided with tracer agent and add mouth 101, tracer agent adds mouth 101 and is provided with atomizer 7, atomizer 7 connects infusion pump 3 and stirring apparatus successively by pipeline 6, also be provided with flowmeter 5 and pressure detecting element on pipeline 6, atomizer 7 is provided with variable valve.For ease of the tracer agent preparation, stirring apparatus comprises stirred pot 2, is provided with stirrer 201 in stirred pot 2; For ease of controlling the flow of infusion pump 3, infusion pump 3 exits are provided with surplus valve.Fluid pressure when adding for ease of observing tracer agent, pressure detecting element 4 is tensimeter.
Adopt device of the present invention, when carrying out mixture homogeneity mensuration, after mixer 1 normal operation, production capacity according to mixer, after certain density tracer agent solution is mixed in stirred pot, add to mixer 1 with certain flow velocity from atomizer 7, then measure mixture homogeneity from 103 sampling of mixer discharging opening according to the chloride ion-selective electrode method of regulation GB " mensuration of GB/T5918-2008 feed product mixture homogeneity ".Adopt device of the present invention to add tracer agent, realized the mensuration of continuous mixing machine mixture homogeneity, and by atomizer 7, the tracer agent solution mist is changed into drop and add the fineness that had both guaranteed tracer agent in feed to, can realize again to the interior continuous adding liquid tracer of mixer 1, can control by controlling flow the addition of liquid tracer in adding procedure, in adding procedure, it is more accurate that uniformity coefficient and consistance are controlled, and makes testing result more can truly reflect the mixture homogeneity performance index of mixer.And the present invention produces atomizing by certain pressure and fully contacts and mix with powder, and realistic use scenes more can accurately detect the actual mixture homogeneity index of continuous mixing machine.The addition of tracer agent is relatively low, compare and add fixedly powdery tracer agent, device of the present invention adds certain density liquid tracer, and interpolation homogeneity and consistance are better, also make measurement result more can truly reflect the actual performance index of the mixture homogeneity of mixer.And this device can directly transformation use in existing continuous mixing machine.
The method according to this invention is carried out following embodiment.
Embodiment 1
Utilize an existing continuous mixing machine to carry out mixture homogeneity and detect test, to obtain the mixture homogeneity performance parameter of this continuous mixing machine.The main motor current of prior art continuous mixing machine be 30kW (rated current: 57.6A), root diameter 350mm, the length 2000mm of rotor, rotor speed 780rpm, feed inlet and outlet centre distance 1570mm, design production capacity 18t/h.The stirred pot volume is 1m
3, it is 2.2KW gear-type pump CB-B40 (rated flow 40L/min, rated pressure 2.5Mpa) that stirring motor power 1.5kW, infusion pump select function.Atomizer is selected flat atomizer 8015 (fluid pressure 0.3Mpa addition 5.9L/min; Fluid pressure 0.4Mpa addition 6.8L/min), 1 of quantity; The experiment material is corn flour, and water content is 12.53%, and capacity is 675g/ L.
Open continuous mixing machine, the charging aperture 102 continuous adding materials of backward mixer run well, the working current for the treatment of continuous mixing machine is stabilized in 55A, the fluctuation be no more than ± 3A after, three times discharging opening is beaten the bypass feeding and timing was closed bypass after 5 minutes, the weight of material at weighing bypass place is respectively: 1560kg, 1540kg, 1550kg, the actual production capacity that can obtain this continuous mixing machine is 12* (1560+1540+1550)/3=18600kg/h; The mass ratio of sodium chloride and water being pressed 1:3 drops into stirred pot, stirs, and the preparation mass percent concentration is 25% sodium-chloride water solution; The ratio that in test, the addition of sodium chloride accounts for material gets 0.5%, and the addition of sodium chloride solution is: m=(18600/60) * 0.5%/25%=6.2kg/min=103.3ml/s; During the mixer normal operation, open infusion pump 3 and atomizer 7, regulating transfusion pump 3 and surplus valve make the flow stream pressure in pipeline 6 stable, and the flow that flowmeter is shown by the liquid spray volume that variable valve is regulated atomizer 7 is 103.3 ± 1ml/s, after the numerical stability that pressure detecting element 4 and flowmeter 5 shows, regularly extracted from mixer discharging opening 103 10 parts of the materials that weight is 200g every 2 minutes; Measure the mixture homogeneity of mixer by the 3rd joint chloride ion-selective electrode method in GB " mensuration of GB/T5918-2008 feed product mixture homogeneity ", the mixture homogeneity that obtains this continuous mixing machine is 93.2% (Cv=6.8%).
Utilize another existing continuous mixing machine to carry out mixture homogeneity and detect test, to obtain the mixture homogeneity performance parameter of this continuous mixing machine.The main motor 18.5 of continuous mixing machine (rated current: 30.5A), root diameter 300mm, the length 2000mm of rotor, rotor speed 870rpm, feed inlet and outlet centre distance 1260mm, design production capacity 12t/h.The stirred pot volume is 1m
3, agitator motor power 1.5kW, infusion pump are the gear-type pump CB-B40 (rated flow 40L/min, rated pressure 2.5Mpa) of power 2.2kW.Atomizer is selected flat atomizer 8010 (fluid pressure 0.3Mpa addition 3.9L/min; Fluid pressure 0.4Mpa addition 4.6L/min), 1 of quantity; The experiment material is corn flour, and water content is 12.53%, and capacity is 654g/ L.
Open continuous mixing machine, the charging aperture 102 continuous adding materials of backward mixer run well, the working current for the treatment of continuous mixing machine is stabilized in 28A, the fluctuation be no more than ± 2A after, three times discharging opening is beaten the bypass feeding and timing was closed bypass after 5 minutes, the weight of material at weighing bypass place is respectively: 985kg, 1020kg, 1040kg, the actual production capacity that can obtain this continuous mixing machine is 12* (985+1020+1040)/3=12180kg/h; The mass ratio of sodium chloride and water being pressed 1:3 drops into stirred pot, stirs, and the preparation mass percent concentration is 25% sodium-chloride water solution; The ratio that in test, the addition of sodium chloride accounts for material gets 0.5%, and the addition of sodium chloride solution is m=(12180/60) * 0.5%/25%=4.06kg/min=67.7ml/s; During the mixer normal operation, open infusion pump 3 and atomizer 7, regulating transfusion pump 3 and surplus valve make the flow stream pressure in pipeline 6 stable, and the flow that flowmeter is shown by the liquid spray volume that variable valve is regulated atomizer 7 is 67.7 ± 0.7ml/s, after the numerical stability that pressure detecting element 4 and flowmeter 5 shows, be 10 parts of the materials of 200g every 2 minutes from the mixer discharging opening weight of regularly taking a sample; Measure the mixture homogeneity of mixer by the 3rd joint chloride ion-selective electrode method in GB " mensuration of GB/T5918-2008 feed product mixture homogeneity ", the mixture homogeneity that obtains this continuous mixing machine is 92.5% (Cv=7.5%).
By above twice detection test, the present invention can realize detecting the mixture homogeneity performance index of continuous mixing machine well.
The present invention is not limited to above-described embodiment, and for example, the configuration proportion a of sodium chloride solution not office in 25%, can also get 10%～30% according to the material needs; The addition k of sodium chloride in material can also get other value between 0.5%～2%.
Claims (8)
1. a continuous mixing machine adds the device of tracer agent, comprise continuous mixing machine, described mixer charging aperture sidewall is provided with tracer agent and adds mouth, it is characterized in that, described tracer agent adds mouth and is provided with atomizer, described atomizer connects infusion pump and stirring apparatus successively by pipeline, also is provided with flowmeter and pressure detecting element on described pipeline, and atomizer is provided with variable valve.
2. device according to claim 1, is characterized in that, described stirring apparatus comprises stirred pot, is provided with stirrer in stirred pot.
3. device according to claim 1, is characterized in that, described infusion pump is gear-type pump, and described infusion pump exit is provided with surplus valve.
4. device according to claim 1, is characterized in that, described pressure detecting element is tensimeter.
5. a method that adopts the described device continuous adding of claim 1-4 any one tracer agent, comprise the steps:
A) open continuous mixing machine, the charging aperture continuous adding material of the backward mixer that runs well, after machine working current to be mixed was stable, the actual production capacity of measuring mixer was G, unit is kg/h;
B) add a certain amount of sodium chloride and water in stirred pot, the preparation percent concentration is the sodium chloride solution of a;
C) determine the addition m of sodium chloride solution in the unit interval according to the production capacity of mixer, m=G/3600/ak, wherein k is the degree of sodium chloride in material after mixer mixes;
When d) mixer works, open infusion pump and atomizer, regulating transfusion pump and surplus valve make the flow stream pressure in pipeline stable, and the flow that flowmeter is shown by the liquid spray volume that variable valve is regulated atomizer is m(1 ± 1%), add in mixer continuously to guarantee the uniform liquid in pipeline;
E) after the numerical stability that pressure detecting element and flowmeter show, be some parts of the material of N every t minute from the mixer discharging opening weight of regularly taking a sample;
F) detect the mixture homogeneity of mixer by the 3rd joint chloride ion-selective electrode method in GB " mensuration of GB/T5918-2008 feed product mixture homogeneity ".
6. method according to claim 5, is characterized in that, in described step b), a is 10%～30%.
7. method according to claim 5, is characterized in that, in described step c), the k span is 0.5%～2%.
8. method according to claim 5, is characterized in that, in step e), t gets 2, and extracting material is 10 parts.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310076398.2A CN103149269B (en) | 2013-03-11 | 2013-03-11 | Tracer agent addition method with continuous mixing machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310076398.2A CN103149269B (en) | 2013-03-11 | 2013-03-11 | Tracer agent addition method with continuous mixing machine |
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| CN103149269A true CN103149269A (en) | 2013-06-12 |
| CN103149269B CN103149269B (en) | 2015-04-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854233A (en) * | 2019-03-26 | 2019-06-07 | 西南石油大学 | The clean type tracer injection device and its method for implanting of intelligent remote control |
| CN115646339A (en) * | 2022-12-13 | 2023-01-31 | 湖南金石智造科技有限公司 | Mixing device for pharmacy and mixing effect detection method thereof |
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| US4010109A (en) * | 1973-07-02 | 1977-03-01 | Kurt Sauerwein | Device for marking fluent materials |
| CN1810352A (en) * | 2005-10-31 | 2006-08-02 | 四川大学 | Tubular circulating ultrasonic chemical reactor |
| CN1959412A (en) * | 2005-10-31 | 2007-05-09 | 宝山钢铁股份有限公司 | Method for mensurating time of sintered material resorted in columnar mixer machine |
| CN201008781Y (en) * | 2006-12-22 | 2008-01-23 | 江苏牧羊集团有限公司 | Palm type mixing machine |
| CN203216900U (en) * | 2013-03-11 | 2013-09-25 | 牧羊有限公司 | Device for adding tracer agent to continuous mixer |
-
2013
- 2013-03-11 CN CN201310076398.2A patent/CN103149269B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1111391A (en) * | 1961-10-26 | 1968-04-24 | Aerojet General Co | Solid propellants |
| US4010109A (en) * | 1973-07-02 | 1977-03-01 | Kurt Sauerwein | Device for marking fluent materials |
| CN1810352A (en) * | 2005-10-31 | 2006-08-02 | 四川大学 | Tubular circulating ultrasonic chemical reactor |
| CN1959412A (en) * | 2005-10-31 | 2007-05-09 | 宝山钢铁股份有限公司 | Method for mensurating time of sintered material resorted in columnar mixer machine |
| CN201008781Y (en) * | 2006-12-22 | 2008-01-23 | 江苏牧羊集团有限公司 | Palm type mixing machine |
| CN203216900U (en) * | 2013-03-11 | 2013-09-25 | 牧羊有限公司 | Device for adding tracer agent to continuous mixer |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854233A (en) * | 2019-03-26 | 2019-06-07 | 西南石油大学 | The clean type tracer injection device and its method for implanting of intelligent remote control |
| CN109854233B (en) * | 2019-03-26 | 2021-01-12 | 西南石油大学 | Intelligent remote control clean tracer injection device and injection method thereof |
| CN115646339A (en) * | 2022-12-13 | 2023-01-31 | 湖南金石智造科技有限公司 | Mixing device for pharmacy and mixing effect detection method thereof |
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| CN103149269B (en) | 2015-04-22 |
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