CN104772001A - Filling method of adsorbents in II-type iodine adsorber - Google Patents
Filling method of adsorbents in II-type iodine adsorber Download PDFInfo
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- CN104772001A CN104772001A CN201510218020.0A CN201510218020A CN104772001A CN 104772001 A CN104772001 A CN 104772001A CN 201510218020 A CN201510218020 A CN 201510218020A CN 104772001 A CN104772001 A CN 104772001A
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Abstract
A filling method of adsorbents in an II-type iodine adsorber is characterized in that two vibration tables with different vibration features are used as filling equipment. The vibration table I is characterized in that exciting force is supplied by a vibration motor, and the vibration direction of the vibration table is the horizontal X direction and the vertical Z direction; the X-direction amplitude is not less than 2 mm, the Z-direction amplitude is not less than 1 mm, and the vibration frequency is 1,500-3,000 times/min. The vibration table II is characterized in that work table plates and the adsorber impact rigid supports after free falling of the work table plates and the adsorber to generate exciting force, the vibration direction is the vertical Z direction, the amplitude is not less than 19 mm, and the frequency is 200 times/min. The adsorbents are filled in a shell of II-type the iodine adsorber in batches. The II-type iodine adsorber filled by the adoption of the method can meet identification requirements specified by standards, and is good in effect in engineering practical use.
Description
Technical field
The present invention relates to core air gas process field, II type iodine adsorber is the critical component removing radioiodine in core gas handling system, and the packing method of adsorbent decides the performance that II type iodine adsorber removes radioiodine.The method is also applicable to filled with adsorbent in the chemical filter in other field, and adsorbent is that granular chemical absorber can with reference to the method filled with adsorbent.
Background technology
II type iodine adsorber is the critical component removing radioiodine in gas handling system, all strict adsorbent packing method type approval tests of clear stipulaties of all standards relating to this product.Adsorbent filling is the key technology of production II type iodine adsorber, is also the difficult point of production II type iodine adsorber.Relevant criterion comprises: " core air process regulation FD part ii type iodine adsorber " (ASME AG-1 FD), " efficient air phase absorbing unit " (IEST-RP-CC008.2) and " ventilation of core air processing specification, air-conditioning and purification of air the 12nd part: iodine adsorber (II type) " (NB/T 20039.12-2011).The wherein clear stipulaties requirement of adsorbent packing method qualification test: carry out filled with adsorbent with the packing method recommended.Testpieces has been fixedly mounted on sharp trimming cam according to filling hole in the position at top, with the frequency of 200 revs/min, the amplitude vibration of 3/4 in. (19.05 mm) 10 minutes.After vibrated, open filling hole, adsorbent face in checkout facility box, the falling head in adsorbent face should not be greater than the barrier width of 1/2 or the width with adsorbent face vertical edge.The packing method being tested and appraised test just thinks qualified adsorbent packing method, when loader program changes, should carry out type approval test again.
In order to develop function admirable, reach II type iodine adsorber of standard-required, to meet requirement of engineering, reliable adsorbent packing method must be had.
Summary of the invention
The object of this invention is to provide the packing method of adsorbent in a kind of II type iodine adsorber, adsorbent filling is the key technology of production II type iodine adsorber, is also the difficult point of production II type iodine adsorber.The packing method that the present invention works out based on this present situation just
The principle of research mechanism of the present invention and institute's foundation is, based on selection vibratory equipment and filling order key technology, the present invention selects shake table from two aspects: be according to physical characteristics such as absorbent particles domain size distribution, apparent densities on the one hand, and the principle with reference to jolt ramming loose particulate material selects shake table; The technical parameter of the shake table with reference to adsorbent packing method qualification test on the other hand.From the selected filling of the principle of loose particulate material jolt ramming batch, time of vibration and execute stressed size, to determine filling order.
The object of the invention is to be achieved through the following technical solutions:
A packing method for adsorbent in II type iodine adsorber, the shake table successively using one, No. two two vibration performance different, as filling equipment, is loaded in II type iodine adsorber housing by multiple batches of for adsorbent; Described shake table relies on vibrating motor to provide exciting force, its direction of vibration be level X to vertical Z-direction, X is no less than 2mm to amplitude, and Z-direction amplitude is no less than 1mm, vibration frequency 1500-3000 time/min; Clash into rigid support after described No. two shake tables rely on working plate and absorber freely falling body and produce exciting force, its direction of vibration is vertical Z-direction, and amplitude is for being not less than 19mm, and frequency is 200 times/min.By as follows for multiple batches of for the adsorbent concrete steps be loaded in II type iodine adsorber housing:
(1) be first fixed on by adsorber housing body on a shake table, adsorbent loading height is greater than 400mm, opens shake table, vibrates 1 ~ 3 minute;
(2) will load frock (this frock belongs to existing frock) covers on adsorber housing body, and adsorbent height exceedes housing upper end 100 ~ 200mm, opens shake table, vibrates 1 ~ 3 minute;
(3) apply 110 ~ 140kg weight by above the adsorbent in filling frock cover, open shake table, vibrate 3 ~ 5 minutes; Described weight is long 605mm, wide 155mm, because absorber face size is 610 × 160, therefore weight length and width are designed to 605 × 155, and object makes adsorbent uniform stressed.
(4) take out the adsorbent at filling frock cover absorber top, remove filling frock cover, shutoff II type iodine adsorber rear end cap, moves to No. two shake tables by II type iodine adsorber, vibrates 5 ~ 10 minutes.
(5) open rear end cap, fill the adsorbent in housing, again shutoff rear end cap.
Main feature of the present invention is: the shake table using two vibration performances different, as filling equipment, by above-mentioned steps filled with adsorbent, can meet the qualification requirement that respective standard specifies, respond well in practical implementation.
Because II type iodine adsorber is mainly used in nuclear ventilation system the filter element removing radioiodine, in order to ensure that product has high quality, the packing method of standard-required adsorbent must be tested and appraised test, qualification test mainly four aspects of regulation: one is the vibration parameters (amplitude and frequency) of shake table; Two is time of vibration (ten minutes); Three is the Volume Changes vibrating adsorbent later, and four is vibrate later absorption property.As long as first three aspect meets the demands, the requirement of the 4th aspect can be ensured.There is no suitable packing method, be difficult to meet qualification test.So the present invention mainly determines packing method from aspects such as the optimizations of the determination of the selection of shake table, time of vibration, subsidiary conditions and operating sequence.In optimizing process, analyze the feature of multiple shake table, vibrate impact on particle density, shake table parameter and time of vibration compare many-sides such as the impacts of indefinite form adsorbent granularity, finally just determine this method.
Accompanying drawing explanation
Without adsorbent filling view during filling frock on Fig. 1 shake table.
Fig. 2 shake table has adsorbent filling view when loading frock.
Fig. 3 No. bis-shake table adsorbent filling states.
In figure: 1 II type iodine adsorber housings, No. 2 shake tables, 3 filling frocks, 4 weights, 5 No. two shake tables, 6 rear end caps.
Detailed description of the invention
The present invention is described further below in conjunction with embodiment (accompanying drawing):
embodiment 1
Concrete packing method comprises the following steps:
(1) adsorber housing body position to be as shown in Figure 1 fixed on a shake table (direction of vibration be level X to vertical Z-direction, X is no less than 2mm to amplitude, and Z-direction amplitude is no less than 1mm, vibration frequency 1500 times/min); Adsorbent loading height 450mm, opens shake table, vibrates 2 minutes.
(2) cover on housing by filling frock, adsorbent height exceedes body height 150mm, opens shake table, vibrates 2 minutes.
(3) apply 120kg weight by above the adsorbent in filling frock cover, open shake table, vibrate 3 minutes.
(4) take out the adsorbent at filling frock cover absorber top, remove filling frock cover, shutoff II type iodine adsorber rear end cap.II type iodine adsorber being moved to No. two shake tables (direction of vibration is vertical Z-direction, and amplitude is for being not less than 19mm, and frequency is 200 times/min), vibrating 10 minutes.
(5) open rear end cap, fill the adsorbent in housing, again shutoff rear end cap.
Adopt this embodiment, adsorbent filling is respond well, meets the requirement of adsorbent packing method qualification test.
embodiment 2
Concrete packing method comprises the following steps:
(1) adsorber housing body position to be as shown in Figure 1 fixed on a shake table (direction of vibration be level X to vertical Z-direction, X is no less than 2mm to amplitude, Z-direction amplitude is no less than 1mm, vibration frequency 3000 times/min), adsorbent loading height 500mm, open shake table, vibrate 3 minutes.
(2) cover on housing by filling frock, adsorbent height exceedes body height 150mm, opens shake table, vibrates 3 minutes.
(3) apply 130kg weight by above the adsorbent in filling frock cover, open shake table, vibrate 5 minutes.
(4) take out the adsorbent at filling frock cover absorber top, remove filling frock cover, shutoff II type iodine adsorber rear end cap.II type iodine adsorber being moved to No. two shake tables (direction of vibration is vertical Z-direction, and amplitude is for being not less than 19mm, and frequency is 200 times/min), vibrating 8 minutes.
(5) open rear end cap, fill the adsorbent in housing, again shutoff rear end cap.
Adopt this embodiment, adsorbent filling is respond well, meets the requirement of adsorbent packing method qualification test.
Claims (3)
1. the packing method of adsorbent in II type iodine adsorber, is characterized in that: the shake table successively using one, No. two two vibration performance different, as filling equipment, is loaded in II type iodine adsorber housing by multiple batches of for adsorbent; The direction of vibration of a described shake table be level X to vertical Z-direction, X is no less than 2mm to amplitude, and Z-direction amplitude is no less than 1mm, vibration frequency 1500 ~ 3000 times/min; The direction of vibration of described No. two shake tables is vertical Z-direction, and amplitude is for being not less than 19mm, and frequency is 200 times/min.
2. the packing method of adsorbent in II type iodine adsorber according to claim 1, is characterized in that: the multiple batches of concrete steps be loaded in II type iodine adsorber housing of adsorbent are as follows:
(1) be first fixed on by adsorber housing body on a shake table, adsorbent loading height is greater than 400mm, opens shake table, vibrates 1 ~ 3 minute;
(2) cover on adsorber housing body by filling frock, adsorbent height exceedes housing upper end 100 ~ 200mm, opens shake table, vibrates 1 ~ 3 minute;
(3) apply 110 ~ 140kg weight by above the adsorbent in filling frock cover, open shake table, vibrate 3 ~ 5 minutes;
(4) take out the adsorbent at filling frock cover absorber top, remove filling frock cover, shutoff II type iodine adsorber rear end cap, moves to No. two shake tables by II type iodine adsorber, vibrates 5 ~ 10 minutes.
(5) open rear end cap, fill the adsorbent in housing, again shutoff rear end cap.
3. the packing method of adsorbent in II type iodine adsorber according to claim 2, is characterized in that: the long 605mm of weight, wide 155mm described in step (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510218020.0A CN104772001B (en) | 2015-05-04 | 2015-05-04 | The packing method of adsorbent in a kind of II type iodine adsorber |
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| CN104772001B CN104772001B (en) | 2016-09-14 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106861362A (en) * | 2017-04-05 | 2017-06-20 | 上海尊岛防护科技有限公司 | Activated carbon panel vibration loader and its packing method |
| CN107601621A (en) * | 2017-09-21 | 2018-01-19 | 北京机械设备研究所 | A kind of Space Product spent ion exchange resin packing method |
| CN108692993A (en) * | 2018-04-12 | 2018-10-23 | 广州市赛特检测有限公司 | Total volatile organic compounds adsorption tube and preparation method thereof and detection method in a kind of room air |
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2015
- 2015-05-04 CN CN201510218020.0A patent/CN104772001B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106861362A (en) * | 2017-04-05 | 2017-06-20 | 上海尊岛防护科技有限公司 | Activated carbon panel vibration loader and its packing method |
| CN106861362B (en) * | 2017-04-05 | 2019-09-10 | 上海尊岛防护科技有限公司 | Active carbon panel vibration loader and its packing method |
| CN107601621A (en) * | 2017-09-21 | 2018-01-19 | 北京机械设备研究所 | A kind of Space Product spent ion exchange resin packing method |
| CN108692993A (en) * | 2018-04-12 | 2018-10-23 | 广州市赛特检测有限公司 | Total volatile organic compounds adsorption tube and preparation method thereof and detection method in a kind of room air |
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| CN104772001B (en) | 2016-09-14 |
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