CN104181021A - Diversion-type splitter and splitting method - Google Patents
Diversion-type splitter and splitting method Download PDFInfo
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- CN104181021A CN104181021A CN201410423976.XA CN201410423976A CN104181021A CN 104181021 A CN104181021 A CN 104181021A CN 201410423976 A CN201410423976 A CN 201410423976A CN 104181021 A CN104181021 A CN 104181021A
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Abstract
The invention discloses a diversion-type splitter and a splitting method thereof. The diversion-type splitter comprises a rack, a feed hopper, a flow guide plate, a rotating shaft, a drive device, a first receiving hopper, a second receiving hopper, and a locating element, wherein the feed hopper is arranged on the rack; the flow guide plate is provided with two symmetrical flow guide surfaces; the rotating shaft is arranged inside the flow guide plate; the drive device drives the flow guide plate to swing around the axis of the rotating shaft in a reciprocating manner, and is connected with the rotating shaft through a transmission device; the transmission device comprises a control element capable of cutting off or conducting transmission connection between the drive device and the rotating shaft; the first receiving hopper and the second receiving hopper are respectively arranged at two sides of the lower part of the flow guide plate; a material in the feed hopper can enter the first receiving hopper and the second receiving hopper along inclined planes; and the locating element can enable the flow guide plate to stop swinging so as to enable the material to completely enter the first receiving hopper along the still flow guide plate. According to the diversion-type splitter, the problem of relatively single splitting ratio of the diversion-type splitter in the prior art can be effectively solved.
Description
Technical field
The present invention relates to material and divide contracting technical field, more particularly, relate to a kind of flow guide type sample division device and division method thereof.
Background technology
Division device is to design according to the regulation in the preparation method > > of standard GB/T 474 < < coal samples, is indispensable instrument in the work of contraction coal sample.Its principal feature is rational in infrastructure, easy to use, is applicable to the curtailed sampling of coal, sample ore or other inhomogeneous granular material.
The kind of reduction device of the prior art is varied, flow guide type sample division device generally comprises frame, feeder hopper, fair water fin, is arranged on two receiving hoppers of both sides, fair water fin bottom, is arranged at the rotating shaft of fair water fin inside and drives fair water fin around the drive unit of shaft swing, wherein fair water fin is around rotating shaft reciprocally swinging, while being rocked to a side, material can enter in a receiving hopper completely along fair water fin, be rocked to opposite side material can enter completely in another receiving hopper along fair water fin, so fair water fin reciprocally swinging is realized material is divided to two receiving hoppers.Yet the division ratio of existing flow guide type sample division device is generally 1 or 1/2, therefore the division ratio of flow guide type sample division device of the prior art is restricted, and can not meet the division requirement of other division ratio.
In sum, how effectively solving the more single problem of division ratio of flow guide type sample division device of the prior art, is current those skilled in the art's urgent problem.
Summary of the invention
In view of this, first object of the present invention is to provide a kind of flow guide type sample division device, the structural design of this flow guide type sample division device can solve the more single problem of division ratio of flow guide type sample division device of the prior art effectively, and second object of the present invention is to provide the division method of multiple flow guide type sample division device.
In order to reach above-mentioned first object, the invention provides following technical scheme:
A flow guide type sample division device, comprising:
Frame;
Be arranged on the feeder hopper in described frame, and described feeder hopper have import and outlet;
Fair water fin, described fair water fin has two symmetrical guide faces;
Be arranged on the rotating shaft of described fair water fin inside and drive described fair water fin around the drive unit of described shaft axis reciprocally swinging, described drive unit is connected with rotating shaft by gearing, and described gearing comprises the control piece that can make being in transmission connection disconnection or conducting between drive unit and rotating shaft;
Be separately positioned on the first receiving hopper and second receiving hopper of both sides, described fair water fin bottom, and the material in described feeder hopper can enter along described dip plane the first receiving hopper and the second receiving hopper;
Keeper, described keeper can make described fair water fin stop swinging and material enters the first receiving hopper completely along static fair water fin.
Preferably, in above-mentioned flow guide type sample division device, described gearing comprises the connecting link that the transmission shaft being connected with the output terminal of described drive unit, the eccentric wheel being connected with described transmission shaft, one end are fixedly connected with described eccentric wheel and the first fork being fixedly connected with the other end of described connecting link, described first fork one end is fixedly connected with described connecting link, and the other end is fixedly connected with the first end of described rotating shaft.
Preferably, in above-mentioned flow guide type sample division device, described control piece is specially the clutch coupling being connected between eccentric wheel and transmission shaft.
Preferably, in above-mentioned flow guide type sample division device, also comprise and can control the controller that described clutch coupling disconnects or meshes.
Preferably, in above-mentioned flow guide type sample division device, described drive unit is motor.
Preferably, in above-mentioned flow guide type sample division device, on the output terminal of described motor and transmission shaft, all fixed cover is provided with sprocket wheel, and described motor drives transmission shaft to rotate by chain and sprocket wheel.
Preferably, in above-mentioned flow guide type sample division device, described keeper comprises the second fork and extension spring, and one end of described the second fork is fixedly connected with the second end of described rotating shaft, and the other end is fixedly connected with one end of extension spring, and the other end of described extension spring is relative with frame fixing.
Preferably, in above-mentioned flow guide type sample division device, described fair water fin is arranged in described feeder hopper, and described rotating shaft is rotationally connected with on described feeder hopper, and the other end of described extension spring is fixedly connected with the outer wall of feeder hopper.
A division method for flow guide type sample division device, comprises step:
Calculate division ratio, need obtain material sampling quality is a, and material gross mass is A, division ratio m=a/A;
Material division, the hunting frequency of described fair water fin is n,
time period Z is in second, drive unit drive described fair water fin only reciprocally swinging once, when described fair water fin is static, material enters in the first receiving hopper completely along fair water fin.
A division method for flow guide type sample division device, comprises step:
Calculate division ratio, need obtain material sampling quality is a, and material gross mass is A, division ratio m=a/A;
Material division, the hunting frequency of described fair water fin is n,
time period Z is in second, and motor only drives eccentric wheel to rotate a circle, and when described fair water fin is static, material enters in the first receiving hopper completely along fair water fin.
Flow guide type sample division device provided by the invention comprises frame, feeder hopper, fair water fin, rotating shaft, drive unit, gearing, the first receiving hopper, the second receiving hopper and keeper.Wherein feeder hopper is fixedly mounted in frame, and feeder hopper has import and outlet.Fair water fin has two symmetrical guide faces, and the material in feeder hopper can enter the first receiving hopper and the second receiving hopper along two guide faces.Rotating shaft is arranged on fair water fin inside, drive unit can drive fair water fin around shaft axis reciprocally swinging, and drive unit is connected with rotating shaft by gearing, gearing comprises the control piece that can make being in transmission connection disconnection or conducting between drive unit and rotating shaft.The first receiving hopper and the second receiving hopper are separately positioned on the both sides of fair water fin bottom, and in fair water fin swing process, when air deflector during in the position of a side-sway angle maximum material along a guide face of fair water fin, enter the first receiving hopper completely, when air deflector during in the position of opposite side pivot angle maximum material along another guide face of fair water fin, enter the second receiving hopper completely.In addition, keeper can make fair water fin stop swinging and material enters the first receiving hopper completely along static fair water fin.When being in transmission connection between drive unit and rotating shaft disconnects, keeper makes fair water fin static and tilt, and material enters the first receiving hopper completely along static fair water fin.
While applying flow guide type sample division device provided by the invention, the material sampling quality if desired obtaining is a, and material gross mass is A, and division ratio m=a/A, drives fair water fin reciprocally swinging by drive unit, and the hunting frequency of fair water fin is n,
time period Z is in second, control piece makes the conducting 1/n second only of being in transmission connection between drive unit and rotating shaft, be that drive unit drives fair water fin only reciprocally swinging is once, this 1/n second, interior existing material entered the first receiving hopper and the second receiving hopper, and the quality of material entering in the first receiving hopper and the second receiving hopper equates.Control piece makes the disconnection that is in transmission connection between drive unit and rotating shaft in all the other times, and now keeper makes the static and material of fair water fin enter the first receiving hopper along fair water fin.So operate, at Z, in second, material is divided in the first receiving hopper and the second receiving hopper, and the quality of material in the second receiving hopper is a, take this, to realize the material sampling quality obtaining be a.
In order to reach above-mentioned second object, the present invention also provides a kind of division method of flow guide type sample division device, comprises step:
S1: calculate division ratio, need obtain material sampling quality is a, and material gross mass is A, division ratio m=a/A;
S2: material division, the hunting frequency of fair water fin is n,
time period Z is in second, drive unit drive fair water fin only reciprocally swinging once, when described fair water fin is static, material enters in the first receiving hopper completely along fair water fin.
The hunting frequency that is fair water fin is n,
time period Z is in second, control piece makes the conducting 1/n second only of being in transmission connection between drive unit and rotating shaft, be that drive unit drives fair water fin only reciprocally swinging is once, this 1/n second, interior existing material entered the first receiving hopper and the second receiving hopper, and the quality of material entering in the first receiving hopper and the second receiving hopper equates.Control piece makes the disconnection that is in transmission connection between drive unit and rotating shaft in all the other times, and now keeper makes the static and material of fair water fin enter the first receiving hopper along fair water fin.So operate, at Z, in second, material is divided in the first receiving hopper and the second receiving hopper, and the quality of material in the second receiving hopper is a, take this, to realize the material sampling quality obtaining be a.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the flow guide type sample division device that Fig. 1 provides for the embodiment of the present invention;
The structural representation of another angle of the flow guide type sample division device that Fig. 2 provides for the embodiment of the present invention;
The partial structurtes schematic diagram of the flow guide type sample division device that Fig. 3 provides for the embodiment of the present invention.
In accompanying drawing, mark is as follows:
1-feeder hopper, 2-fair water fin, 3-connecting link, 4-eccentric wheel, 5-clutch coupling, 6-motor, 7-sprocket wheel, 8-transmission shaft, 9-keeper, 91-the second fork, 92-extension spring, 10-the first fork, 11-the first receiving hopper, 12-the second receiving hopper.
Embodiment
First object of the present invention is to provide a kind of flow guide type sample division device, the structural design of this flow guide type sample division device can solve the more single problem of division ratio of flow guide type sample division device of the prior art effectively, and second object of the present invention is to provide the division method of multiple flow guide type sample division device.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1-Fig. 3, flow guide type sample division device provided by the invention comprises frame, feeder hopper 1, fair water fin 2, rotating shaft, drive unit, gearing, the first receiving hopper 11, the second receiving hopper 12 and keeper 9.Wherein feeder hopper 1 is fixedly mounted in frame, and feeder hopper 1 has import and outlet.Fair water fin 2 has two symmetrical guide faces, and the material in feeder hopper 1 can enter the first receiving hopper 11 and the second receiving hopper 12 along two guide faces.Rotating shaft is arranged on fair water fin 2 inside, drive unit can drive fair water fin 2 around shaft axis reciprocally swinging, and drive unit is connected with rotating shaft by gearing, gearing comprises the control piece that can make being in transmission connection disconnection or conducting between drive unit and rotating shaft.The first receiving hopper 11 and the second receiving hopper 12 are separately positioned on the both sides of fair water fin 2 bottoms, and in fair water fin 2 swing process, when the position of fair water fin 2 in a side-sway angle maximum, material enters the first receiving hopper 11 completely along a guide face of fair water fin 2, and when the position of fair water fin 2 in opposite side pivot angle maximum, material enters the second receiving hopper 12 completely along another guide face of fair water fin 2.In addition, keeper 9 can make fair water fin 2 stop swinging and material enters the first receiving hopper 11 completely along static fair water fin 2.When being in transmission connection between drive unit and rotating shaft disconnects, keeper 9 makes fair water fin 2 static and tilt, and material enters the first receiving hopper 11 completely along static fair water fin 2.
While applying flow guide type sample division device provided by the invention, the material sampling quality if desired obtaining is a, and material gross mass is A, and division ratio m=a/A, drives fair water fin 2 reciprocally swingings by drive unit, and the hunting frequency of fair water fin 2 is n,
time period Z is in second, control piece makes the conducting 1/n second only of being in transmission connection between drive unit and rotating shaft, be that drive unit drives fair water fin 2 only reciprocally swinging is once, this 1/n second, interior existing material entered the first receiving hopper 11 and the second receiving hopper 12, and the quality of material entering in the first receiving hopper 11 and the second receiving hopper 12 equates.Control piece makes the disconnection that is in transmission connection between drive unit and rotating shaft in all the other times, and now keeper 9 makes the static and material of fair water fin 2 enter the first receiving hopper 11 along fair water fin 2.So operate, at Z, in second, material is divided in the first receiving hopper 11 and the second receiving hopper 12, and the quality of material in the second receiving hopper 12 is a, take this, to realize the material sampling quality obtaining be a.
Preferably, gearing can comprise the connecting link 3 that the transmission shaft 8 being connected with the output terminal of drive unit, the eccentric wheel 4 being connected with transmission shaft 8, one end are fixedly connected with eccentric wheel 4 and the first fork 10 being fixedly connected with the other end of connecting link 3, one end of the first fork 10 is fixedly connected with connecting link 3, and the other end is fixedly connected with the first end of rotating shaft.Drive unit drives transmission shaft 8 to rotate, and eccentric wheel 4 coaxially arranges with transmission shaft 8, and connecting link 3 departs from its axis perpendicular to transmission shaft 8 and connecting link 3 with the junction of eccentric wheel 4, and the first fork 10 is vertical with rotating shaft to be arranged, and transmission shaft 8 is arranged in parallel with rotating shaft.So, drive unit drives transmission shaft 8 to rotate, and then 4 rotations of band movable eccentric wheel, and connecting link 3 and fork drive fair water fin 2 reciprocally swingings.
Further, control piece can be for being connected in the clutch coupling 5 between eccentric wheel 4 and transmission shaft 8, when so clutch coupling 5 meshes, eccentric wheel 4 rotates jointly with transmission shaft 8, and then realize the conducting of drive connection between drive unit and fair water fin 2, drive unit drives fair water fin 2 to swing by actuator drives rotating shaft.When clutch coupling 5 disconnects, transmission shaft 8 can not be with movable eccentric wheel 4 to rotate, the now disconnection of drive connection between drive unit and fair water fin 2.Clutch coupling 5 can be electromagnetic clutch, so can control by energising and power-off.Certainly, control piece can also be for being connected in parts between connecting link 3 and fork, by realizing control linkage bar 3 and being connected with disconnection of fork.
Further, can also comprise and can solenoidoperated cluthes 5 disconnecting or the controller of engagement, the signal output part that is controller is connected with the signal input part of clutch coupling 5, the engagement of controller solenoidoperated cluthes 5 disconnects and realizes being in transmission connection between accessory drive and rotating shaft, so can automatically control by controller, more time saving and energy saving.Concrete, controller can be controlled the power on/off of electromagnetic clutch, realizes the control to electromagnetic clutch.
Drive unit is motor 6, and concrete can be stepper motor, servomotor or reducing motor etc.Further, can be on the output terminal of motor 6 and transmission shaft 8 all fixed cover be provided with sprocket wheel 7, motor 6 drives transmission shafts 8 to rotate by chain and sprocket wheel 7.Certainly, the output terminal of motor 6 also can directly be connected with transmission shaft 8, in this no limit.Certainly, drive unit can also be worm gear structure, in this no limit.
Certainly, gearing also can comprise the connecting link 3 that the transmission shaft 8 being connected with the output terminal of drive unit, the eccentric wheel 4 being connected with transmission shaft 8, one end are fixedly connected with eccentric wheel 4, the other end of connecting link 3 is fixedly connected with fair water fin 2, and the axis of rotating shaft is departed from the junction of connecting link 3 and fair water fin 2.Eccentric wheel 4 also can directly be connected with the output terminal of motor 6.
Keeper 9 can comprise that the second fork 91 and one end of extension spring 92, the second forks 91 and the second end of rotating shaft are fixedly connected with, and the other end is fixedly connected with one end of extension spring 92, and the other end of extension spring 92 is relative with frame fixing.The second fork 91 is vertical with rotating shaft to be arranged, extension spring 92 is spring, when being in transmission connection between control piece accessory drive and rotating shaft disconnects, while being clutch coupling 5 disconnection, acting force due to extension spring 92, a side of the first receiving hopper 11 is partial in the bottom of fair water fin 2, and then makes material enter the first receiving hopper 11 along fair water fin 2.Further, fair water fin 2 can be arranged in feeder hopper 1, and rotating shaft is rotationally connected with on feeder hopper 1, and the other end of extension spring 92 is fixedly connected with the outer wall of feeder hopper 1.
Certainly, keeper 9 can also be for being set in the torsion spring in rotating shaft, in this no limit.
Fair water fin 2 can also be positioned at the downside of the outlet of feeder hopper 1.This flow guide type sample division device can also comprise the even feeding device that is arranged at fair water fin 2 tops, and even feeding device can be Electromagnetically vibrating dispenser or mechanical type eccentric vibrating dispenser.Fair water fin 2 can be triangular pyramid body.
The present invention also provides a kind of division method of flow guide type sample division device, comprises step:
S1: calculate division ratio, need obtain material sampling quality is a, and material gross mass is A, division ratio m=a/A;
S2: material division, the hunting frequency of fair water fin 2 is n,
time period Z is in second, drive unit drive fair water fin 2 only reciprocally swinging once, when described fair water fin 2 is static, material enters in the first receiving hopper 11 completely along fair water fin 2.
The hunting frequency that is fair water fin 2 is n,
time period Z is in second, control piece makes the conducting 1/n second only of being in transmission connection between drive unit and rotating shaft, be that drive unit drives fair water fin 2 only reciprocally swinging is once, this 1/n second, interior existing material entered the first receiving hopper 11 and the second receiving hopper 12, and the quality of material entering in the first receiving hopper 11 and the second receiving hopper 12 equates.Control piece makes the disconnection that is in transmission connection between drive unit and rotating shaft in all the other times, and now keeper 9 makes the static and material of fair water fin 2 enter the first receiving hopper 11 along fair water fin 2.So operate, at Z, in second, material is divided in the first receiving hopper 11 and the second receiving hopper 12, and the quality of material in the second receiving hopper 12 is a, take this, to realize the material sampling quality obtaining be a.
The present invention also provides the division method of another kind of flow guide type sample division device, comprises step:
A1: calculate division ratio, need obtain material sampling quality is a, and material gross mass is A, division ratio m=a/A;
A2: material division, the hunting frequency of fair water fin 2 is n,
time period Z is in second, and motor 6 only drives eccentric wheel 4 to rotate a circle, and when fair water fin 2 is static, material enters in the first receiving hopper 11 completely along fair water fin 2.
The hunting frequency that is fair water fin 2 is n,
time period Z is in second, clutch coupling 5 meshes 1/n second, make the conducting 1/n second only of being in transmission connection between drive unit and rotating shaft, be that motor 6 drives fair water fins 2 only reciprocally swinging is once, this 1/n second, interior existing material entered the first receiving hopper 11 and the second receiving hopper 12, and the quality of material entering in the first receiving hopper 11 and the second receiving hopper 12 equates.Control piece makes the disconnection that is in transmission connection between drive unit and rotating shaft in all the other times, and now keeper 9 makes the static and material of fair water fin 2 enter the first receiving hopper 11 along fair water fin 2.So operate, at Z, in second, material is divided in the first receiving hopper 11 and the second receiving hopper 12, and the quality of material in the second receiving hopper 12 is a, take this, to realize the material sampling quality obtaining be a.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a flow guide type sample division device, is characterized in that, comprising:
Frame;
Be arranged on the feeder hopper (1) in described frame, and described feeder hopper (1) have import and outlet;
Fair water fin (2), described fair water fin (2) has two symmetrical guide faces;
Be arranged on the inner rotating shaft of described fair water fin (2) and drive described fair water fin (2) around the drive unit of described shaft axis reciprocally swinging, described drive unit is connected with rotating shaft by gearing, and described gearing comprises the control piece that can make being in transmission connection disconnection or conducting between drive unit and rotating shaft;
Be separately positioned on the first receiving hopper (11) and second receiving hopper (12) of described fair water fin (2) both sides, bottom, and the material in described feeder hopper (1) can enter along described dip plane the first receiving hopper (11) and the second receiving hopper (12);
Keeper (9), described keeper (9) can make described fair water fin (2) stop swinging and material enters the first receiving hopper (11) completely along static fair water fin (2).
2. flow guide type sample division device according to claim 1, it is characterized in that, described gearing comprises the connecting link (3) that the transmission shaft (8) being connected with the output terminal of described drive unit, the eccentric wheel (4) being connected with described transmission shaft (8), one end are fixedly connected with described eccentric wheel (4) and the first fork (10) being fixedly connected with the other end of described connecting link (3), described the first fork (10) one end is fixedly connected with described connecting link (3), and the other end is fixedly connected with the first end of described rotating shaft.
3. flow guide type sample division device according to claim 2, is characterized in that, described control piece is specially the clutch coupling (5) being connected between eccentric wheel (4) and transmission shaft (8).
4. flow guide type sample division device according to claim 3, is characterized in that, also comprises and can control the controller that described clutch coupling (5) disconnects or meshes.
5. flow guide type sample division device according to claim 2, is characterized in that, described drive unit is motor (6).
6. flow guide type sample division device according to claim 5, it is characterized in that, the upper equal fixed cover of the output terminal of described motor (6) and transmission shaft (8) is provided with sprocket wheel (7), and described motor (6) drives transmission shaft (8) to rotate by chain and sprocket wheel (7).
7. flow guide type sample division device according to claim 1, it is characterized in that, described keeper (9) comprises the second fork (91) and extension spring (92), one end of described the second fork (91) is fixedly connected with the second end of described rotating shaft, the other end is fixedly connected with the one end of extension spring (92), and the other end of described extension spring (92) is relative with frame fixing.
8. flow guide type sample division device according to claim 7, it is characterized in that, described fair water fin (2) is arranged in described feeder hopper (1), it is upper that described rotating shaft is rotationally connected with described feeder hopper (1), and the other end of described extension spring (92) is fixedly connected with the outer wall of feeder hopper (1).
9. a division method for flow guide type sample division device, is characterized in that, comprises step:
Calculate division ratio, need obtain material sampling quality is a, and material gross mass is A, division ratio m=a/A;
Material division, the hunting frequency of described fair water fin (2) is n,
time period Z is in second, drive unit drive described fair water fin (2) only reciprocally swinging once, when described fair water fin (2) is static, material enters in the first receiving hopper (11) completely along fair water fin (2).
10. use a division method for flow guide type sample division device as claimed in claim 5, it is characterized in that, comprise step:
Calculate division ratio, need obtain material sampling quality is a, and material gross mass is A, division ratio m=a/A;
Material division, the hunting frequency of described fair water fin (2) is n,
time period Z is in second, and motor (6) only drives eccentric wheel (4) to rotate a circle, and when described fair water fin (2) is static, material enters in the first receiving hopper (11) completely along fair water fin (2).
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| CN201410423976.XA CN104181021B (en) | 2014-08-26 | 2014-08-26 | Flow guide type sample division device and division method |
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| CN201410423976.XA CN104181021B (en) | 2014-08-26 | 2014-08-26 | Flow guide type sample division device and division method |
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Cited By (6)
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| CN105223056A (en) * | 2015-10-23 | 2016-01-06 | 长沙开元仪器股份有限公司 | A kind of swing type contracting device |
| CN106092666A (en) * | 2016-07-26 | 2016-11-09 | 大唐环境产业集团股份有限公司 | Auxiliary device is demarcated in smoke sampling analysis |
| CN106969944A (en) * | 2017-04-28 | 2017-07-21 | 湖南三德科技股份有限公司 | A kind of spiral sampling device |
| CN108375494A (en) * | 2018-04-08 | 2018-08-07 | 中山市宏唯自动化科技有限公司 | A kind of reciprocating swing reduction device |
| CN108459629A (en) * | 2017-02-22 | 2018-08-28 | 镇江市丰泰化验制样设备有限公司 | It is a kind of adjustable fixed than quantitative reduction device |
| CN110672391A (en) * | 2019-10-24 | 2020-01-10 | 左志坚 | Multistage splitter of ore with mixing function |
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| CN105223056A (en) * | 2015-10-23 | 2016-01-06 | 长沙开元仪器股份有限公司 | A kind of swing type contracting device |
| CN105223056B (en) * | 2015-10-23 | 2018-01-16 | 长沙开元仪器股份有限公司 | A kind of swing type contracting device |
| CN106092666A (en) * | 2016-07-26 | 2016-11-09 | 大唐环境产业集团股份有限公司 | Auxiliary device is demarcated in smoke sampling analysis |
| CN106092666B (en) * | 2016-07-26 | 2019-04-16 | 大唐环境产业集团股份有限公司 | Smoke sampling analysis calibration auxiliary device |
| CN108459629A (en) * | 2017-02-22 | 2018-08-28 | 镇江市丰泰化验制样设备有限公司 | It is a kind of adjustable fixed than quantitative reduction device |
| CN106969944A (en) * | 2017-04-28 | 2017-07-21 | 湖南三德科技股份有限公司 | A kind of spiral sampling device |
| CN106969944B (en) * | 2017-04-28 | 2024-03-01 | 湖南三德科技股份有限公司 | Spiral sampling device |
| CN108375494A (en) * | 2018-04-08 | 2018-08-07 | 中山市宏唯自动化科技有限公司 | A kind of reciprocating swing reduction device |
| CN110672391A (en) * | 2019-10-24 | 2020-01-10 | 左志坚 | Multistage splitter of ore with mixing function |
| CN110672391B (en) * | 2019-10-24 | 2022-05-10 | 明光市恒鼎凹土有限公司 | Multistage splitter of ore with mixing function |
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| CN104181021B (en) | 2016-10-05 |
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Effective date of registration: 20190520 Address after: 410100 Xingsha Industrial Base, Changlong Street, Changsha Economic and Technological Development Zone, Hunan Province, No. 1259, Liangtang East Road Patentee after: Kaiyuan Instrument Co., Ltd., Changsha Address before: 410100 No. 172 Kaiyuan Road, Changsha economic and Technological Development Zone, Hunan Patentee before: Changsha Kaiyuan Instruments Co., Ltd. |
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