CN104550013B - Nuclear fuel UO2Microballoon spin vibration sieve separating device - Google Patents
Nuclear fuel UO2Microballoon spin vibration sieve separating device Download PDFInfo
- Publication number
- CN104550013B CN104550013B CN201510034439.0A CN201510034439A CN104550013B CN 104550013 B CN104550013 B CN 104550013B CN 201510034439 A CN201510034439 A CN 201510034439A CN 104550013 B CN104550013 B CN 104550013B
- Authority
- CN
- China
- Prior art keywords
- screen frame
- porous plate
- nuclear fuel
- microballoon
- vibrating body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/284—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens with unbalanced weights
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
- B07B1/4663—Multi-layer screening surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The present invention has announced nuclear fuel UO2Microballoon spin vibration sieve separating device, comprise pedestal, vibrating body is installed on pedestal, lower screen frame, middle screen frame, on be provided with discharging opening on screen frame, the spring that connects pedestal and lower screen frame bottom is installed in described vibrating body outside, electric rotating machine is installed in vibrating body, on two output shafts of electric rotating machine, a shaker arm is respectively installed, circular arc balancing weight is installed on shaker arm. When the present invention adopts circular arc balancing weight, in the circular arc balancing weight situation identical with square balancing weight weight, actual measurement is found, the dynamics of its amplitude and vibration has obvious lifting, and material can produce spiral helicine motion lines on screen cloth, thoroughly solve the problem of solid accumulation in screen surface, greatly improve the output capacity of unit, about 1.5Kg/ hour, output capacity has improved 5 times.
Description
Technical field
The present invention relates to presurized water reactor thermodynamic test research field, specifically nuclear fuel UO2Microballoon spin vibration sieve separating device.
Background technology
UO2Microballoon is research reactor and one of common fuel phase of power reactor diffusion-type fuel, and the diffusion-type fuel of its manufacture has that burnup is high, the phase in longevity long and the strong feature of fission product carrying capacity. For nuclear fuel UO2Microballoon is in order to reduce the release of its irradiation damage and fission product, require size should be greater than the twice of fission fragment range, and the specific area of microballoon should be as far as possible little. Screening preferable process is UO2One of important procedure that microballoon is produced, because nuclear fuel UO2Microballoon is prepared as radioactivity operation, need in glove box, carry out, so need that the volume of screening machine is little, material is little in the delay cumulant of device interior, the qualification rate of screening product requires high. At present a lot of about report and the patent of screening machine, as the screening machine with beating element of reporting in document US7416085B2, in CN203556543U, revolve the dual trace spin vibration sieve in vibrating device and CN203265037U, although these devices can carry out conventional material screening, to nuclear fuel UO2Higher requirement in microballoon preparation but can not be suitable for.
Summary of the invention
The object of the present invention is to provide and be applied to nuclear fuel UO2Microballoon spin vibration sieve separating device, solves current screening plant and can not be used for nuclear fuel UO2The problem of microballoon screening.
Object of the present invention is achieved through the following technical solutions:
Nuclear fuel UO2Microballoon spin vibration sieve separating device, comprise pedestal, vibrating body is installed on pedestal, on vibrating body, stack successively lower screen frame, middle screen frame, upper screen frame, and dust cover, be provided with charging aperture at dust cover top, between lower screen frame and middle screen frame, and between middle screen frame and upper screen frame, screen cloth supporter is all installed, at lower screen frame, middle screen frame, on upper screen frame, be provided with discharging opening, the spring that connects pedestal and lower screen frame bottom is installed in described vibrating body outside, electric rotating machine is installed in vibrating body, on two output shafts of electric rotating machine, a shaker arm is respectively installed, circular arc balancing weight is installed on shaker arm. the present invention be directed to nuclear fuel UO2The defect existing in the production technology of microballoon and the modified innovation and creation made, its foundation is identical with structure of the prior art, comprise the pedestal that is fixed on ground, vibrating body is installed on pedestal, electric rotating machine is installed in vibrating body, on two output shafts of electric rotating machine, a shaker arm is respectively installed, circular arc balancing weight is installed on shaker arm, when starting latter two shaker arm, electric rotating machine drives circular arc balancing weight, constantly clash into vibrating body, under the effect of spring and circular arc balancing weight, drive lower screen frame, middle screen frame, and upper screen frame vibrates, by nuclear fuel UO2Microballoon is put into from the charging aperture of dust cover, sieve, applicant is through finding than analyzing experiment: identical equipment, in the time that square balancing weight is installed, the dynamics of its Oscillation Amplitude and vibration is all less, material is easily deposited in screen surface, output capacity hourly is very little, only has 0.3Kg/ hour, in the time adopting circular arc balancing weight of the present invention, in the circular arc balancing weight situation identical with square balancing weight weight, actual measurement is found, the dynamics of its amplitude and vibration has obvious lifting, and material can produce spiral helicine motion lines on screen cloth, thoroughly solve the problem of solid accumulation in screen surface, greatly improve the output capacity of unit, about 1.5Kg/ hour, output capacity has improved 5 times.
Described circular arc balancing weight is semicircle steel plate, is provided with two position adjustments holes on it. Concretely, the steel plate structure that circular arc balancing weight is semicircle shape, is provided with two asymmetric position adjustments holes, for generation of different Oscillation Amplitudes and vibration intensity on it.
Below the screen cloth supporter between middle screen frame and upper screen frame, material-collecting funnel is installed, the bottom of material-collecting funnel forms opening and is positioned at its middle part. Applicant also finds, in the dropping process of material, it is corkscrew motion for ground, in order to utilize this rule, applicant has carried out further transformation to original screening plant: a material-collecting funnel is installed below ground floor screen cloth supporter, and material-collecting funnel is pyramidal structure, material is in dropping process, can on material-collecting funnel, increase the distance of its spiral movement locus, thereby improve the effect of screening, reduce the content of defective material in the product after screening.
The bottom of described lower screen frame is upwards recessed to form conical flow guiding structure. Adopt the flow-guiding structure of taper, make the material of falling lower screen frame bottom to move to discharging opening along flow-guiding structure, thereby complete screening.
Described screen cloth supporter comprises the upper porous plate and the lower porous plate that are parallel to each other, between upper porous plate and lower porous plate, form cavity, the shading ring of multiple coaxial packages is installed between upper porous plate and lower porous plate, between shading ring, be placed with ball, the limit portion of described upper porous plate, lower porous plate is fixedly connected with by fastening beam ring. In order to increase the filterability of screen cloth, avoid feed blocking in the eyelet of porous plate, conventionally in screen frame, place ball, by the spring of ball, can form the strike vibrations to screen cloth, thereby material is ejected, avoid the online hole of blocking screen, have certain problem but applicant finds existing mode: in the time that vibratory sieve is worked, due to rocking among a small circle, can make the final all edges in screen frame of ball, and cause local screen cloth to stop up, the particularly middle part of screen cloth; In order to address this problem, applicant is through research, the double-layer structure of porous plate, lower porous plate in employing, and utilize the shading ring of coaxial package that the region separation between upper and lower two-layer porous plate is become to multiple independently regions, independently placing ball in region, in its hopping process, can there is not the problem shifting, make each independently in region, have beating of ball to solve the problem of feed blocking mesh, thoroughly solved the cleaning problem of screen cloth.
Between porous plate and the screen frame above it, be filled with sealant on described. Sealant the material from leakage problem that can solve between adjacent two screen frames is set, be conducive to improve the screening effect of product.
The present invention compared with prior art, has following advantage and beneficial effect:
1 nuclear fuel UO of the present invention2Microballoon spin vibration sieve separating device, in the time adopting circular arc balancing weight, in the circular arc balancing weight situation identical with square balancing weight weight, actual measurement discovery, the dynamics of its amplitude and vibration has obvious lifting, and material can produce spiral helicine motion lines on screen cloth, thoroughly solve the problem of solid accumulation in screen surface, greatly improve the output capacity of unit, about 1.5Kg/ hour, output capacity has improved 5 times;
2 nuclear fuel UO of the present invention2Microballoon spin vibration sieve separating device, a material-collecting funnel is installed below ground floor screen cloth supporter, material-collecting funnel is pyramidal structure, material is in dropping process, can on material-collecting funnel, increase the distance of its spiral movement locus, thereby improve the effect of screening, reduce the content of defective material in the product after screening;
3 nuclear fuel UO of the present invention2Microballoon spin vibration sieve separating device, the double-layer structure of porous plate, lower porous plate in employing, and utilize the shading ring of coaxial package that the region separation between upper and lower two-layer porous plate is become to multiple independently regions, independently placing ball in region, in its hopping process, can there is not the problem shifting, make each independently in region, have beating of ball to solve the problem of feed blocking mesh, thoroughly solve the cleaning problem of screen cloth.
Brief description of the drawings
Fig. 1 be entirety of the present invention partly cut open structural representation;
Fig. 2 is the local structure for amplifying schematic diagram of upper strata of the present invention screen cloth supporter;
Fig. 3 overlooks shading ring structural representation in direction in Fig. 1 of the present invention;
Fig. 4 is the structural representation of circular arc balancing weight of the present invention;
Fig. 5 is the analysis chart after contrast test in the embodiment of the present invention.
Mark and corresponding parts title in accompanying drawing:
1-charging aperture, 2-dust cap, 3-fastening beam ring, 4-upper screen frame, 6-screen cloth supporter, 7-buildup funnel, 8-middle screen frame, 9-lower screen frame, 10-discharging opening, 11-electric rotating machine, 12-shaker arm, 13-circular arc weight stack, 14-spring, 15-vibrating body, 16-support, 17-position adjustments hole, 61-upper porous plate, 62-lower porous plate, 63-shading ring, 64-ball, 65-airtight and watertight padding.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment
Structural representation as shown in Figures 1 to 4, nuclear fuel UO of the present invention2Microballoon spin vibration sieve separating device, comprise the pedestal 16 that is fixed on ground, vibrating body 15 is installed on pedestal 16, electric rotating machine 11 is installed in vibrating body 15, on two output shafts of electric rotating machine 11, a shaker arm 12 is respectively installed, circular arc balancing weight 13 is installed on shaker arm 12, the steel plate structure that circular arc balancing weight 13 is semicircle shape, on it, be provided with two asymmetric position adjustments holes 17, for generation of different Oscillation Amplitudes and vibration intensity, on vibrating body 15, stack successively lower screen frame 9, middle screen frame 8, upper screen frame 4, and dust cover 2, be provided with charging aperture 1 at dust cover 2 tops, between lower screen frame 9 and middle screen frame 8, and between middle screen frame 8 and upper screen frame 4, screen cloth supporter 6 is all installed, screen cloth supporter 6 comprises the upper porous plate 61 being parallel to each other, and lower porous plate 62, between upper porous plate 61 and lower porous plate 62, form cavity, the shading ring 63 of multiple coaxial packages is installed between upper porous plate 61 and lower porous plate 62, between shading ring 63, be placed with ball 64, upper porous plate 61, the limit portion of lower porous plate 62 is fixedly connected with by fastening beam ring 3, dust cover 2 is fixedly connected with by fastening beam ring 3 with the edge of upper screen frame 4, the bottom margin position of upper screen frame 4 and upper porous plate 61, lower porous plate 62, the edge of buildup funnel 7 is fixedly connected with by fastening beam ring 3, and, between upper porous plate 61 and upper screen frame 4, be also filled with airtight and watertight padding 65, the bottom margin of middle screen frame 8, the upper porous plate 61 of middle level screen cloth supporter 6, lower porous plate 62, and the top of lower screen frame 9 is fixedly connected with by fastening beam ring 3, upwards cave in the bottom of lower screen frame 9, below the screen cloth supporter 6 in middle level, form the flow-guiding structure of a taper, at lower screen frame 9, middle screen frame 8, on upper screen frame 4, be provided with discharging opening 10, when starting latter two shaker arm 12, electric rotating machine 11 drives circular arc balancing weight 13, constantly clash into vibrating body 15, under the effect of spring 14 and circular arc balancing weight 13, drive lower screen frame 9, middle screen frame 8, and upper screen frame 4 vibrates, by nuclear fuel UO2Microballoon is put into from the charging aperture 1 of dust cover 2, sieves, and utilizes identical existing equipment to carry out identical nuclear fuel UO2Microballoon screening, tests and is designated as A1 twice, and A2, then utilizes the screening plant of the present embodiment to carry out identical nuclear fuel UO2Microballoon screening, tests and is designated as B1, B2 for twice, analyzes respectively the product cut size sieving out, its comparing result as shown in Figure 5, always can be found out from accompanying drawing 5, in the present embodiment, owing to having adopted technical scheme of the present invention, can make distribution of sizes meet the UO that is less than 75 μ m2Microballoon is less than the UO of 3%, 75 ~ 150 μ m scopes2Microballoon is no less than 95%, obtains good screening effect under the condition of less sieve surface area.
The above, be only preferred embodiment of the present invention, not the present invention done to any pro forma restriction, and any simple modification, the equivalent variations in every foundation technical spirit of the present invention, above embodiment done, within all falling into protection scope of the present invention.
Claims (5)
1. nuclear fuel UO2Microballoon spin vibration sieve separating device, comprise pedestal (16), vibrating body (15) is installed on pedestal (16), on vibrating body (15), stack successively lower screen frame (9), middle screen frame (8), upper screen frame (4), and dust cover (2), be provided with charging aperture (1) at dust cover (2) top, between lower screen frame (9) and middle screen frame (8), and between middle screen frame (8) and upper screen frame (4), screen cloth supporter (6) is all installed, in lower screen frame (9), middle screen frame (8), on upper screen frame (4), be provided with discharging opening (10), it is characterized in that: the spring that connects pedestal (16) and lower screen frame (9) bottom is installed in described vibrating body (15) outside, electric rotating machine (11) is installed in vibrating body (15), on two output shafts of electric rotating machine (11), a shaker arm (12) is respectively installed, circular arc balancing weight (13) is installed on shaker arm (12),
Described screen cloth supporter (6) comprises the upper porous plate (61) and the lower porous plate (62) that are parallel to each other, between upper porous plate (61) and lower porous plate (62), form cavity, the shading ring (63) of multiple coaxial packages is installed between upper porous plate (61) and lower porous plate (62), between shading ring (63), be placed with ball (64), the limit portion of described upper porous plate (61), lower porous plate (62) is fixedly connected with by fastening beam ring (3).
2. nuclear fuel UO according to claim 12Microballoon spin vibration sieve separating device, is characterized in that: described circular arc balancing weight (13) is semicircle steel plate, is provided with two position adjustments holes (17) on it.
3. nuclear fuel UO according to claim 12Microballoon spin vibration sieve separating device, is characterized in that: screen cloth supporter (6) below between middle screen frame (8) and upper screen frame (4) is provided with material-collecting funnel (7), and the bottom of material-collecting funnel (7) forms opening and is positioned at its middle part.
4. nuclear fuel UO according to claim 12Microballoon spin vibration sieve separating device, is characterized in that: the bottom of described lower screen frame (9) is upwards recessed to form conical flow guiding structure.
5. nuclear fuel UO according to claim 12Microballoon spin vibration sieve separating device, is characterized in that: between porous plate (61) and the screen frame of its top, be filled with sealant (65) on described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510034439.0A CN104550013B (en) | 2015-01-23 | 2015-01-23 | Nuclear fuel UO2Microballoon spin vibration sieve separating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510034439.0A CN104550013B (en) | 2015-01-23 | 2015-01-23 | Nuclear fuel UO2Microballoon spin vibration sieve separating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104550013A CN104550013A (en) | 2015-04-29 |
| CN104550013B true CN104550013B (en) | 2016-05-11 |
Family
ID=53067694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510034439.0A Active CN104550013B (en) | 2015-01-23 | 2015-01-23 | Nuclear fuel UO2Microballoon spin vibration sieve separating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104550013B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105080832A (en) * | 2015-09-09 | 2015-11-25 | 泰州市天平化工有限公司 | Automatic screening and packaging all-in-one machine |
| CN106475314A (en) * | 2016-12-02 | 2017-03-08 | 重庆南桐矿业有限责任公司 | A kind of multi-stage screening apparatus for ore particles screening |
| CN107737718A (en) * | 2017-11-06 | 2018-02-27 | 董昊南 | A kind of vibratory sieve |
| CN108015002A (en) * | 2017-12-20 | 2018-05-11 | 四会市华通金属筛网制品有限公司 | Novel vibration sieve |
| CN108525992A (en) * | 2018-04-18 | 2018-09-14 | 新乡市东振机械制造有限公司 | A kind of support net device in major diameter spin vibration sieve |
| CN108405319A (en) * | 2018-05-07 | 2018-08-17 | 新乡市东振机械制造有限公司 | A kind of building waste screening spin vibration sieve with quantitative feeding function |
| CN109731191A (en) * | 2018-12-28 | 2019-05-10 | 苏州雾联医疗科技有限公司 | A kind of atomizing particle size screening washer |
| CN109985804A (en) * | 2019-04-19 | 2019-07-09 | 胡世鹏 | Screening machine after a kind of flour milling |
| CN114260175B (en) * | 2021-12-04 | 2023-03-24 | 山东星耀重工有限公司 | Mine grit aggregate screening conveyer |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8921151D0 (en) * | 1989-09-19 | 1989-11-08 | William Boulton Vibro Energy L | Improvements relating to vibratory sifters |
| DE10239667A1 (en) * | 2002-08-26 | 2004-03-11 | Ludwig Krieger Draht- Und Kunststofferzeugnisse Gmbh | Screening device with tapping elements |
| CN201644379U (en) * | 2009-06-18 | 2010-11-24 | 深圳市福英达工业技术有限公司 | Vibrating screen classifier used for metal and non-metal powder |
| CN201558800U (en) * | 2009-12-04 | 2010-08-25 | 程玉明 | Tea vibrating round screening machine |
| CN201676818U (en) * | 2010-04-22 | 2010-12-22 | 江阴市友佳珠光云母有限公司 | Artificially synthesized mica multistage screening device |
| CN202387668U (en) * | 2011-12-12 | 2012-08-22 | 广西有色金属集团汇元锰业有限公司 | Rotary vibrating screen for electrolytic manganese dioxide packaging machine |
-
2015
- 2015-01-23 CN CN201510034439.0A patent/CN104550013B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104550013A (en) | 2015-04-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104550013B (en) | Nuclear fuel UO2Microballoon spin vibration sieve separating device | |
| WO2018120114A1 (en) | Two-stage screening device for lithium battery negative electrode material | |
| CN203972302U (en) | Powder vibratory sieve | |
| CN204220444U (en) | Percussive Double-layer revolving drum screen | |
| CN203044321U (en) | Sorting and loading system of refractory brick raw materials | |
| CN205762288U (en) | A kind of vibrosieve | |
| CN206824152U (en) | A kind of automatic batch mixing screening plant | |
| CN204768929U (en) | Multi -functional tealeaves machine of deblocking | |
| CN204486246U (en) | A kind of cement plant vibrating sieve | |
| CN203253621U (en) | Avalanche-type circular vibration screen | |
| CN203343055U (en) | Steel ball sorting device | |
| CN105035662A (en) | Automatic sorting vibrating disk for feeding bulk capacitor | |
| CN103341441B (en) | A kind of steel ball sorting equipment | |
| CN202803583U (en) | Rotary vibration sieve | |
| CN204685468U (en) | A kind of new fresh pea screening machine | |
| CN107309154A (en) | The sorter of filling glass marble in a kind of aerosol | |
| CN204448581U (en) | A kind of bleed type capsule and pill screening machine | |
| CN202803577U (en) | Particle screening plant for manufacturing magnetic cores | |
| CN206778594U (en) | A kind of pesticide granules reducing mechanism | |
| CN205868777U (en) | A shale shaker for feed production | |
| CN203565313U (en) | Device for screening soybean seeds | |
| CN201516419U (en) | Device for screening and sorting lighter parts | |
| CN202655227U (en) | Screening machine | |
| CN107185628A (en) | A kind of frequency conversion type vibrates sampling machine | |
| CN107377365A (en) | A kind of industrial residue collection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |