CN103196934B - Outage automatic lifting protective device and method suitable for X fluorescence multi-element analyzer - Google Patents
Outage automatic lifting protective device and method suitable for X fluorescence multi-element analyzer Download PDFInfo
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- CN103196934B CN103196934B CN201310090926.XA CN201310090926A CN103196934B CN 103196934 B CN103196934 B CN 103196934B CN 201310090926 A CN201310090926 A CN 201310090926A CN 103196934 B CN103196934 B CN 103196934B
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Abstract
The invention relates to an outage automatic lifting protective device and method suitable for an X fluorescence multi-element analyzer. The outage automatic lifting protective device is characterized in that pneumatic elements such as a closed type three-position five-way electric valve, a normally open type electric valve, a one-way valve, an air storage tank, a double-acting air cylinder, and a single-acting air cylinder are utilized, a reasonable device structure and air line connection are adopted, an instrument without a working power supply also can lift a detecting cavity body by virtue of compressed air stored in the air storage tank, so that the detecting cavity body is protected; and a situation that the detecting cavity body slides down after being lifted up because of the gradual leak of the compressed air or other accidental reasons can be avoided under the action of a limiting pin.
Description
Technical field
The present invention relates to the device and method that a kind of power-off promotes protection, relate to a kind of the power-off automatic lifting protector and the method that are suitable for the measurement of X-fluorescence multi-element analyser specifically.
Background technology
In the production run of the various fields such as China's metallurgy, non-ferrous metal, mine, building materials, in raw material, the proportioning of various element plays a part key to product quality.At present based on patented technology " in stream detection multielement analysis device and the method " (patent No.: the real-time detection well having achieved each component content to stream in stream X-fluorescence multi-element analysis instrument 200710010105.5), carry out chemico-analytic loaded down with trivial details program again after having broken away from hand sampling, substantially increase production efficiency.
This instrument is when measuring ore pulp; detector and radiographic source is needed to be immersed in ore pulp; in order to protect detector; the way taked at present detector and radiographic source is arranged in detection cavity; then on detection cavity, have the window sealed with the macromolecule membrane of wear resistant corrosion resistant, be convenient to detect the analysis of ore pulp.But use still can cause wearing and tearing to detection cavity for a long time, and the scuffing of the impurity especially in ore pulp to window film remains and cause ore pulp liquid to leak into inside cavity to the hurtful one of the main reasons of detector.
And commercial Application on-the-spot meeting causes power interruption because of a variety of causes, but ore pulp but still may continue flowing.If instrument is interrupted power supply under measuring state, then instrument entirety remains static, and detection cavity cannot rise voluntarily by immersion ore pulp, accepts washing away of ore pulp for a long time, once the breakage that window film occurs causes ore pulp to enter detection inside cavity, can defective detector.
Summary of the invention
The present invention is directed to the existing defect existing in the application in stream X-fluorescence multi-element analysis instrument, propose a kind of for industry stream X-fluorescence multi-element analysis instrument in the application can to power-off after the device and method protected of automatic lifting detection cavity.
The technical solution adopted in the present invention is:
Base 22 is fixed with chute 24 and framework 21, base 22 and framework 21 are fixed wtih left vertical guide rail 41 and right vertical guide rail 42 jointly, guide rail splice 43 is fixed with, the vertical display of left vertical guide rail 41 and right vertical guide rail 42 one-tenth parastate between left vertical guide rail 41 and right vertical guide rail 42.
Cylinder auxiliary mounting deck 2 is fixed with between left vertical guide rail 41 and right vertical guide rail 42, cylinder auxiliary mounting deck 2 is fixed with double-acting cylinder 3, the upper end of double-acting cylinder 3 and lower end are separately installed with upper end inductive switch 101 and lower end inductive switch 102, and the push rod lower end of double-acting cylinder 3 is connected with upright slide block 7.
The upper and lower position of upright slide block 7 left and right sides is respectively provided with pulley assembly 6, ensures that upright slide block 7 can freely slide up and down in the region between left vertical guide rail 41 and right vertical guide rail 42.Upright slide block 7 lower end is provided with detection cavity 23.Limiting bracket 8 is installed on the right side of upright slide block 7.
Right vertical guide rail 42 is fixed with support 12, support 12 is provided with U-shaped frame 11 and spacer pin 9.U-shaped frame 11 is installed the little cylinder 10 of single-acting, the push rod of the little cylinder 10 of single-acting connects spacer pin 9, drive when the little cylinder 10 of single-acting retracts push rod spacer pin 9 to lean out from support 12, drive when the little cylinder 10 of single-acting stretches out push rod spacer pin 9 to be hidden in support 12.
Framework 21 is fixed with retaining valve 25, gas-holder 16, the electric valve 14 of middle closed form 3 position-5 way, open type electrical valve 13, ball valve 20 is connected in the lower end of gas-holder 16, be provided with gas port in the upper end of gas-holder 16 and be connected to pneumatic bigeminy part 15, the air intake opening of retaining valve 25 connects external source of the gas, the gas outlet of retaining valve 25 connects the gas port of gas-holder 16, the rear end of pneumatic bigeminy part 15 is connected to the P end of the electric valve 14 of middle closed form 3 position-5 way and the front end of electrical valve 13, the rear end of electrical valve 13 is connected to the lower end pore of double-acting cylinder 3, the lower end pore of double-acting cylinder 3 is connected to the B end of the electric valve 14 of middle closed form 3 position-5 way simultaneously, the A end of the electric valve of middle closed form 3 position-5 way 14 connects the pore of the little cylinder 10 of single-acting, the R2 end of the electric valve 14 of middle closed form 3 position-5 way connects the upper end pore of double-acting cylinder 3, the R1 end of the electric valve 14 of middle closed form 3 position-5 way is provided with exhaust box B18, the upper end pore of double-acting cylinder 3 is provided with exhaust box A17, the pore of the little cylinder 10 of single-acting is equipped with exhaust box C19.
Embody rule method of the present invention is:
When X-fluorescence multi-element analyser normally carries out analysis to measure to ore pulp, ore pulp flows through from chute 24, and when upright slide block 7 is in lifting state, the lower end of detection cavity 23 will be positioned at the position exceeding chute 24; When upright slide block 7 is in sinking state, the lower end of detection cavity 23 is by below the mineral syrup liquid that is immersed in chute 24.
When instrument just row normal work time need detection cavity 23 to drop to correct position, then by conventional electrical control, open type electrical valve 13 is closed, the P of the electric valve 14 of middle closed form 3 position-5 way is held and B holds and to hold with A respectively and R2 holds conducting.Now under external compressed-air actuated effect, spacer pin 9 is made to be hidden in support 12; And the push rod of double-acting cylinder 3 moves downward under the Action of Gravity Field detecting cavity 23 and upright slide block 7.After the push rod of double-acting cylinder 3 drops to and triggers lower end inductive switch 102, the control system of instrument judges that detection cavity 23 sinks down into correct position thus, can carry out analysis to measure by the ore pulp in convective tank 24.
When detector breaks down or other reasons needs detection cavity 23 to be promoted to correct position, then by conventional electrical control, open type electrical valve 13 is closed, the A of the electric valve 14 of middle closed form 3 position-5 way is held and P holds and to hold with R1 respectively and B holds conducting.Now the push rod of double-acting cylinder 3 is upwards promoting under external compressed-air actuated effect, drives upright slide block 7 and detection cavity 23 to move upward.In the upward movement of upright slide block 7, limiting bracket 8 fixing on the right side of upright slide block 7 will clash into spacer pin 9, spacer pin 9 under the effect of external force by retraction support 12, treat that limiting bracket 8 is through later, the head of spacer pin 9 will tiltedly go out outside support 12 again, can play the effect sinking to stoping to the accident of upright slide block 7.After the push rod of double-acting cylinder 3 is promoted to triggering upper end inductive switch 101, the control system of instrument judges that detection cavity 23 rises to correct position thus, can carry out next step relevant action.
When the working environment of instrument occurs surprisingly causing having no progeny in working power, open type electrical valve 13 is opened, and the electric valve 14 of middle closed form 3 position-5 way ends.Now the push rod of double-acting cylinder 3 is upwards promoting under compressed-air actuated effect, drives upright slide block 7 and detection cavity 23 to move upward.In the upward movement of upright slide block 7, limiting bracket 8 fixing on the right side of upright slide block 7 will clash into spacer pin 9, but due to the effect of spring in the little cylinder 10 of single-acting, spacer pin 9 under the effect of external force by retraction support 12, treat that limiting bracket 8 is through later, the head of spacer pin 9 will tiltedly go out outside support 12 again, can play the effect sinking to stoping to the accident of upright slide block 7.
The invention has the beneficial effects as follows:
After the working power of X-fluorescence multi-element analyser is interrupted; detection cavity body can under compressed-air actuated effect automatic lifting; no longer be immersed in the ore pulp of flowing; reduce ore pulp to the wearing and tearing of detection cavity and to avoid in ore pulp foreign material to the scuffing of measurement window seal membrane; prevent ore pulp from infiltering detection inside cavity, protection radioactive source and detector.
And when factory building, the workshop power-off of instrument work, often the working power of air compressor is also interrupted, maintain the be correlated with pressurized air of operation of instrument also can be interrupted, the present invention have employed retaining valve 15 and gas-holder 16 in the design, can ensure after external pressurized air is interrupted, still can carry out last detection cavity enhancing action.
Accompanying drawing explanation
Fig. 1 is apparatus structure schematic diagram of the present invention (detection cavity is in lifting state)
Fig. 2 is apparatus structure schematic diagram of the present invention (detection cavity is in sinking state)
Fig. 3 is the A-A direction view in Fig. 1
Fig. 4 is the appearance schematic diagram of spacer pin in the present invention
Fig. 5 is pneumatic system schematic diagram of the present invention
In figure: 2 cylinder auxiliary mounting decks, 3 double-acting cylinders, 5 dust cover, 6 pulley assemblies, 7 upright slide blocks, 8 limiting brackets, 9 spacer pins, the little cylinder of 10 single-acting, 11 U-shaped framves, 12 supports, 13 open type electrical valves, the electric valve of closed form 3 position-5 way in 14, 15 pneumatic bigeminy parts, 16 gas-holder, 17 exhaust box A, 18 exhaust box B, 19 exhaust box C, 20 ball valves, 21 frameworks, 22 bases, 23 detection cavitys, 24 chutes, 25 retaining valves, 41 left vertical guide rails, 42 right vertical guide rails, 43 guide rail splices, 61 pulley support framves, 62 pulley A, 63 pulley spindle A, 64 pulley spindle B, 65 pulley B, 101 upper end inductive switches, 102 lower end inductive switches.
Embodiment
Be described with reference to the accompanying drawings apparatus structure of the present invention and using method.
As shown in Fig. 1 and Fig. 2, Fig. 3, framework 21 is fixed on base 22, and framework 21 and base 22 adopt joist steel.Left vertical guide rail 41 is fixed on framework 21 top with the upper end of right vertical guide rail 42, left vertical guide rail 41 is fixed on base 22 with the lower end of right vertical guide rail 42, fix with guide rail splice 43 between left vertical guide rail 41 and right vertical guide rail 42, ensure that left vertical guide rail 41 is parallel to each other with right vertical guide rail 42, left vertical guide rail 41 adopts 100mm × 100mm square steel with right vertical guide rail 42.
Cylinder auxiliary mounting deck 2 is fixed on left vertical guide rail 41 with on right vertical guide rail 42, and double-acting cylinder 3 is fixed on cylinder auxiliary mounting deck 2.The upper end of double-acting cylinder 3 and lower end are separately installed with upper end inductive switch 101 and lower end inductive switch 102, whether arrive at upper end or lower end for detecting the movable part run location of cylinder.The push rod parcel of double-acting cylinder 3 is with certain elasticity, telescopic dust cover 5, and the push rod lower end of double-acting cylinder 3 is fixed on upright slide block 7.
The upper and lower position of upright slide block 7 left and right sides is respectively provided with pulley assembly 6.Pulley assembly 6 is made up of pulley support frame 61, pulley A62, pulley spindle A63, pulley B64, pulley spindle B65, pulley A62 is fixed on pulley support frame 61 by pulley spindle A63, pulley B65 is fixed on pulley support frame 61 by pulley spindle B64, the angle of pulley A62 and pulley B65 is at a right angle, can along left vertical guide rail 41 or right vertical guide rail 42 towards Free-rolling in two right-angle surface of upright slide block 7.Pulley support frame 61 is fixed on upright slide block 7, ensures that upright slide block 7 can be free to slide in the region between left vertical guide rail 41 and right vertical guide rail 42.
Upright slide block 7 lower end is fixed with detection cavity 23.Limiting bracket 8 is fixed with on the right side of upright slide block 7.
Base 22 is fixed with chute 24, and after instrument comes into operation, ore pulp flows through from chute 24, and when upright slide block 7 is in lifting state, the lower end of detection cavity 23 will be positioned at the position exceeding chute 24; When upright slide block 7 is in sinking state, the lower end of detection cavity 23 is by below the mineral syrup liquid that is immersed in chute 24.
Right vertical guide rail 42 is fixed with support 12, support 12 is provided with U-shaped frame 11 and spacer pin 9.The structure of spacer pin 9 as shown in Figure 4, in " √ " shape, and has circular hole in corner and ending.U-shaped frame 11 is installed the little cylinder 10 of single-acting, the push rod of the little cylinder 10 of single-acting connects spacer pin 9, drive when the little cylinder 10 of single-acting retracts push rod spacer pin 9 to lean out from support 12, drive when the little cylinder 10 of single-acting stretches out push rod spacer pin 9 to be hidden in support 12.
Framework 21 is fixed with retaining valve 25, gas-holder 16, the electric valve 14 of middle closed form 3 position-5 way, open type electrical valve 13, pneumatic system principle of the present invention as shown in Figure 5:
The air intake opening of retaining valve 25 connects external source of the gas, the gas outlet of retaining valve 25 connects the gas port of gas-holder 16, ball valve 20 is connected in the lower end of gas-holder 16, be provided with gas port in the upper end of gas-holder 16 and be connected to pneumatic bigeminy part 15, the rear end of pneumatic bigeminy part 15 is connected to the P end of the electric valve 14 of middle closed form 3 position-5 way and the front end of electrical valve 13, the rear end of electrical valve 13 is connected to the lower end pore of double-acting cylinder 3, the lower end pore of double-acting cylinder 3 is connected to the B end of the electric valve 14 of middle closed form 3 position-5 way simultaneously, the A end of the electric valve of middle closed form 3 position-5 way 14 connects the pore of the little cylinder 10 of single-acting, the R2 end of the electric valve 14 of middle closed form 3 position-5 way connects the upper end pore of double-acting cylinder 3, the R1 end of the electric valve 14 of middle closed form 3 position-5 way is provided with exhaust box B18, the upper end pore of double-acting cylinder 3 is provided with exhaust box A17, the pore of the little cylinder 10 of single-acting is equipped with exhaust box C19.
The effect of retaining valve 25 ensures external compressed-air actuatedly unidirectionally to pass through.The effect of gas-holder 16 is for instrument stores a certain amount of pressurized air.The effect of pneumatic bigeminy part 15 is filtered pressure gas and dewaters.Ball valve 20 is in closed condition when instrument normally works, and is opened when overhaul of the equipments, can get rid of the ponding in gas-holder 16 and other impurity.
The specific works mode of power-off automatic lifting protector of the present invention is as follows:
When instrument just row normal work time need detection cavity 23 to drop to correct position, then by conventional electrical control, open type electrical valve 13 is closed, the P of the electric valve 14 of middle closed form 3 position-5 way is held and B holds and to hold with A respectively and R2 holds conducting.Now under external compressed-air actuated effect, external pressurized air enters into the little cylinder 10 of single-acting by the electric valve of middle closed form 3 position-5 way 14, impels the push rod of the little cylinder 10 of single-acting to stretch out, and drives spacer pin 9 to be hidden in support 12; And the lower end pore of double-acting cylinder 3 is direct by the electric valve 14 of middle closed form 3 position-5 way and the upper end pore conducting of double-acting cylinder 3, air in the lower cavity of double-acting cylinder 3 can enter into the upper chamber of double-acting cylinder 3 or discharge from exhaust box A17, and the push rod of double-acting cylinder 3 moves downward under the Action of Gravity Field detecting cavity 23 and upright slide block 7.After the push rod of double-acting cylinder 3 drops to and triggers lower end inductive switch 102, the control system of instrument judges that detection cavity 23 sinks down into correct position thus, can carry out analysis to measure by the ore pulp in convective tank 24.
When detector breaks down or other reasons needs detection cavity 23 to be promoted to correct position, then by conventional electrical control, open type electrical valve 13 is closed, the A of the electric valve 14 of middle closed form 3 position-5 way is held and P holds and to hold with R1 respectively and B holds conducting.Now external pressurized air cannot enter into the little cylinder 10 of single-acting, due to the effect of spring in the little cylinder 10 of single-acting, original gas in the little cylinder of single-acting 10 is discharged by exhaust box C19 and exhaust box B18, the pusher retracted of the little cylinder 10 of single-acting, drives the head of spacer pin 9 tiltedly to go out outside support 12; External pressurized air is entered into the lower cavity of double-acting cylinder 3 by the electric valve 14 of middle closed form 3 position-5 way simultaneously, and the air in the upper chamber of double-acting cylinder 3 can be discharged from exhaust box A17, the push rod of double-acting cylinder 3 is upwards promoting under external compressed-air actuated effect, drives upright slide block 7 and detection cavity 23 to move upward.In the upward movement of upright slide block 7, limiting bracket 8 fixing on the right side of upright slide block 7 will clash into spacer pin 9, but due to the effect of spring in the little cylinder 10 of single-acting, spacer pin 9 under the effect of external force by retraction support 12, treat that limiting bracket 8 is through later, the head of spacer pin 9 will tiltedly go out outside support 12 again, can play the effect sinking to stoping to the accident of upright slide block 7.After the push rod of double-acting cylinder 3 is promoted to triggering upper end inductive switch 101, the control system of instrument judges that detection cavity 23 rises to correct position thus, can carry out next step relevant action.
When the working environment of instrument occurs surprisingly causing having no progeny in working power, open type electrical valve 13 is opened, and the electric valve 14 of middle closed form 3 position-5 way ends.Pressurized air now in external pressurized air or gas-holder 16 enters into the lower cavity of double-acting cylinder 3 by open type electrical valve 13, and the air in the upper chamber of double-acting cylinder 3 can be discharged from exhaust box A17, the push rod of double-acting cylinder 3 is upwards promoting under compressed-air actuated effect, drives upright slide block 7 and detection cavity 23 to move upward; Pressurized air cannot enter into the little cylinder 10 of single-acting simultaneously, due to the effect of spring in the little cylinder 10 of single-acting, original gas in the little cylinder of single-acting 10 is discharged by exhaust box C1, the pusher retracted of the little cylinder 10 of single-acting, drive the head of spacer pin 9 tiltedly to go out outside support 12.In the upward movement of upright slide block 7, limiting bracket 8 fixing on the right side of upright slide block 7 will clash into spacer pin 9, but due to the effect of spring in the little cylinder 10 of single-acting, spacer pin 9 under the effect of external force by retraction support 12, treat that limiting bracket 8 is through later, the head of spacer pin 9 will tiltedly go out outside support 12 again, can play the effect sinking to stoping to the accident of upright slide block 7.
On basis of the present invention, also can set up baroceptor in the front end of retaining valve 25, if external compressed-air actuated pressure is less than certain limit value, then carry out the too low warning of air pressure, by the electrical control of routine, open type electrical valve 13 is closed, the A of the electric valve 14 of middle closed form 3 position-5 way is held and P end is held with R1 and B holds conducting respectively, utilize the pressurized air in gas-holder 16 to be promoted by detection cavity 23.
Application example:
Base, framework, chute, left vertical guide rail, right vertical guide rail, upright slide block, limiting bracket, spacer pin, gas-holder etc. entrust the processing factory with mechanical process capacity to make;
Double-acting cylinder, from market purchasing, selects model to be: SC-100 × 500-S-TC-M;
The little cylinder of single-acting, from market purchasing, selects model to be: MSAL-CA-25 × 25-SDB-Y;
Pneumatic bigeminy part, from market purchasing, selects model to be: BFC2000-A;
Inductive switch, from market purchasing, selects model to be: CS1-U-020;
The electric valve of middle closed form 3 position-5 way, from market purchasing, selects model to be: VQ7-6-FHG-D-3ZRA02;
Open type electrical valve, from market purchasing, selects model to be: 2PMV060-08.
Claims (2)
1. be suitable for the power-off automatic lifting protector that X-fluorescence multi-element analyser is measured, it is characterized in that:
Base (22) is fixed with chute (24) and framework (21), base (22) and framework (21) are fixed with left vertical guide rail (41) and right vertical guide rail (42) jointly, guide rail splice (43) is fixed with between left vertical guide rail (41) and right vertical guide rail (42), left vertical guide rail (41) becomes the vertical display of parastate with right vertical guide rail (42), cylinder auxiliary mounting deck (2) is fixed with between left vertical guide rail (41) and right vertical guide rail (42), cylinder auxiliary mounting deck (2) is fixed with double-acting cylinder (3), the push rod lower end of double-acting cylinder (3) is connected with upright slide block (7), upright slide block (7) left and right sides upper, upper/lower positions is respectively provided with pulley assembly (6), upright slide block (7) lower end is provided with detection cavity (23), on upright slide block (7) right side, limiting bracket (8) is installed, right vertical guide rail (42) is fixed with support (12), support (12) is provided with U-shaped frame (11) and spacer pin (9).U-shaped frame (11) is upper installs the little cylinder of single-acting (10), and the push rod of the little cylinder of single-acting (10) connects spacer pin (9);
Framework (21) is fixed with retaining valve (25), gas-holder (16), the electric valve of middle closed form 3 position-5 way (14), open type electrical valve (13), ball valve (20) is connected in the lower end of gas-holder (16), be provided with gas port in the upper end of gas-holder (16) and be connected to pneumatic bigeminy part (15), the air intake opening of retaining valve (25) connects external source of the gas, the gas outlet of retaining valve (25) connects the gas port of gas-holder (16), the rear end of pneumatic bigeminy part (15) is connected to the P end of the electric valve of middle closed form 3 position-5 way (14) and the front end of electrical valve (13), the rear end of electrical valve (13) is connected to the lower end pore of double-acting cylinder (3), the lower end pore of double-acting cylinder (3) is connected to the B end of the electric valve of middle closed form 3 position-5 way (14) simultaneously, the A end of the electric valve of middle closed form 3 position-5 way (14) connects the pore of the little cylinder of single-acting (10), the R2 end of the electric valve of middle closed form 3 position-5 way (14) connects the upper end pore of double-acting cylinder (3), the R1 end of the electric valve of middle closed form 3 position-5 way (14) is provided with exhaust box B(18), the upper end pore of double-acting cylinder (3) is provided with exhaust box A(17), the pore of the little cylinder of single-acting (10) is equipped with exhaust box C(19).
2. application rights requires the using method being suitable for the power-off automatic lifting protector that X-fluorescence multi-element analyser is measured of 1, and it is characterized in that:
Need when instrument normally works will detect cavity (23) and drop to correct position, then by conventional electrical control, open type electrical valve (13) is closed, the P of the electric valve of middle closed form 3 position-5 way (14) end and B are held hold with A respectively and R2 holds conducting;
When detector break down or other reasons need will detect cavity (23) be promoted to correct position time, then by conventional electrical control, open type electrical valve (13) is closed, the A of the electric valve of middle closed form 3 position-5 way (14) is held and P end is held with R1 and B holds conducting respectively;
When the working environment of instrument occurs surprisingly causing having no progeny in working power, open type electrical valve (13) is opened, and the electric valve of middle closed form 3 position-5 way (14) ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310090926.XA CN103196934B (en) | 2013-03-21 | 2013-03-21 | Outage automatic lifting protective device and method suitable for X fluorescence multi-element analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310090926.XA CN103196934B (en) | 2013-03-21 | 2013-03-21 | Outage automatic lifting protective device and method suitable for X fluorescence multi-element analyzer |
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| Publication Number | Publication Date |
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| CN103196934A CN103196934A (en) | 2013-07-10 |
| CN103196934B true CN103196934B (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310090926.XA Active CN103196934B (en) | 2013-03-21 | 2013-03-21 | Outage automatic lifting protective device and method suitable for X fluorescence multi-element analyzer |
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| CN (1) | CN103196934B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4450576A (en) * | 1979-04-20 | 1984-05-22 | Gesellschaft mit Kernforschungszentrum Karlsruhe beschrankter Haftung | Apparatus for continuously measuring the element content in slurries |
| US6130931A (en) * | 1998-09-17 | 2000-10-10 | Process Control, Inc. | X-ray fluorescence elemental analyzer |
| CN100573118C (en) * | 2007-01-19 | 2009-12-23 | 丹东东方测控技术有限公司 | Detect multielement analysis device and detection method at stream |
| CN202609905U (en) * | 2012-04-24 | 2012-12-19 | 江苏金荣机械有限公司 | Cylinder type lifting device |
| CN203259483U (en) * | 2013-03-21 | 2013-10-30 | 丹东东方测控技术有限公司 | Power-off automatic lifting protection apparatus suitable for X-fluorescence multi-element analyzer |
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2013
- 2013-03-21 CN CN201310090926.XA patent/CN103196934B/en active Active
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Address after: 118002 Binjiang Middle Road, Dandong Development Zone, Liaoning, China, No. 136 Applicant after: Dandong Dongfang Measurement & Control Technology Co., Ltd. Address before: 118002 Binjiang Middle Road, Dandong Development Zone, Liaoning, China, No. 136 Applicant before: Dandong Dongfang Measurement & Control Technology Co., Ltd. |
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