CN203461525U - Seed crystal adding device in crystallization production - Google Patents
Seed crystal adding device in crystallization production Download PDFInfo
- Publication number
- CN203461525U CN203461525U CN201320594080.9U CN201320594080U CN203461525U CN 203461525 U CN203461525 U CN 203461525U CN 201320594080 U CN201320594080 U CN 201320594080U CN 203461525 U CN203461525 U CN 203461525U
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- crystal seed
- crystallization
- communicated
- storage warehouse
- pipeline
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- 239000013078 crystal Substances 0.000 title claims abstract description 107
- 238000002425 crystallisation Methods 0.000 title claims abstract description 42
- 230000008025 crystallization Effects 0.000 title claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 title abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 40
- 238000003860 storage Methods 0.000 claims abstract description 16
- 108010016634 Seed Storage Proteins Proteins 0.000 claims description 41
- 230000005540 biological transmission Effects 0.000 claims description 19
- 238000012216 screening Methods 0.000 claims description 17
- 239000000428 dust Substances 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 10
- 239000010413 mother solution Substances 0.000 claims description 10
- 238000005303 weighing Methods 0.000 claims description 10
- 238000002309 gasification Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 4
- 230000001133 acceleration Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 17
- 239000002245 particle Substances 0.000 abstract description 13
- 239000012452 mother liquor Substances 0.000 abstract description 5
- 238000002156 mixing Methods 0.000 abstract description 4
- 239000012264 purified product Substances 0.000 abstract description 3
- 238000007873 sieving Methods 0.000 abstract 2
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000012716 precipitator Substances 0.000 description 3
- 238000001953 recrystallisation Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 229960002449 glycine Drugs 0.000 description 2
- 235000013905 glycine and its sodium salt Nutrition 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
The utility model discloses a seed crystal adding device in crystallization production. The seed crystal adding device comprises a pneumatic conveying device, wherein the pneumatic conveying device is correspondingly connected with a sieving device in crystallization production to convey fine crystal particles in the sieving process to a seed crystal storage bin with an air outlet. A metering balance is arranged at the outlet position of the lower portion of the seed crystal storage bin, a mixing machine is correspondingly arranged below the metering balance, and the mixing machine is communicated with a crystallization mother liquor metering groove and communicated with a crystallization device through a pipeline V. The seed crystal adding device is used for seed crystal adding in crystallization production, is capable of automatically adding seed crystal particle materials needed in the crystallization process to the specified crystallization device quantitatively, relieves the labor intensity of workers, saves time, prevents manual operation from polluting the materials and meets the cleanness requirements for purified products.
Description
Technical field
The utility model relates to mass transport technical field, and particularly the device of crystal seed is added in a kind of crystallization in producing.
Background technology
Recrystallization is process conventional in chemical purification, is commonly used to refining chemical products.As utilizing industrial grade aminoacetic acid recrystallization to prepare purified grade aminoacetic acid, master operation has dissolution process, smart filter progress, Crystallization Procedure, Crystallization Separation operation, baking operation, screening operation and packaging process.In production, sieve operation and can sieve out the inferior-quality product of part granularity, these inferior-quality particles generally can return to the crystal seed that Crystallization Procedure is used for doing crystallization.Crystallization processes requires need to join respectively in different crystallizers quantitatively as the material of crystal seed.
In existing recrystallization production process, after having sieved, be, by artificial transportation mode, inferior-quality crystal grain in small, broken bits is delivered to Crystallization Procedure from screening operation, then weigh and add in the crystallizer of appointment.This process using artificial conveyance, human metering and manually crystal seed is added to the method for crystallizer, exist operative employee's labour intensity large, the length that expends time in, and the artificial easy contaminated material of multiple-contact material, does not meet the problem of cleaning technology requirement.And existing feedway can only be transported to Crystallization Procedure from screening operation by seed particles material, be difficult to quantitatively add crystal seed, more can not complete to the operation of adding crystal seed in crystallizers different in Crystallization Procedure.
Utility model content
The utility model technical issues that need to address are to provide the device that adds crystal seed in a kind of crystallization production, it can quantitatively take crystalline mother solution and fully mix with crystal seed before crystallization is produced, thereby realizes in the crystallizer of regulation and quantitatively add the operation of crystal seed and crystalline mother solution by fluid transport mode.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is:
The device of crystal seed is added in a kind of crystallization in producing, comprise that the corresponding crystal grain in small, broken bits by screening operation connecting of screening plant in producing with crystallization is transported to the Pneumatic conveyer with the crystal seed storage warehouse of air outlet, the lower part outlet position of crystal seed storage warehouse is provided with weighing balance, weighing balance below correspondence is provided with batch mixer, and described batch mixer is communicated with crystalline mother solution scale tank; Batch mixer is communicated with crystallizer by pipeline V.
Further improvement of the utility model is: the discharging opening place, bottom of crystal seed storage warehouse is provided with electric gate valve; Discharging opening place at batch mixer is provided with electronic shutoff valve.
Further improvement of the utility model is: the front end of described Pneumatic conveyer is provided with the crystal grain storage tank in small, broken bits of connection corresponding to screening plant, described crystal grain storage tank in small, broken bits lower end is communicated with Pneumatic conveyer by transmission pump and pipeline I, and Pneumatic conveyer is communicated with crystal seed storage warehouse by pipeline II.
Further improvement of the utility model is: between crystal grain storage tank in small, broken bits and transmission pump, be also provided with cutter type gate valve.
Further improvement of the utility model is: described Pneumatic conveyer comprises roots blower and accelerating chamber, the inlet end of roots blower is communicated with air filter, the outlet side of roots blower is communicated with the ventilation inlet of accelerating chamber, the discharge end of transmission pump is communicated with the feed space of accelerating chamber, and the air outlet of accelerating chamber is communicated to the top of crystal seed storage warehouse by pipeline II; Between roots blower and accelerating chamber, be provided with wind pressure measuring meter.
Further improvement of the utility model is: the nominal diameter of pipeline I is 2 times of nominal diameter of pipeline II.
Further improvement of the utility model is: in crystal seed storage warehouse, be provided with the level-sensing device of measuring crystal seed material upper and lower bound reserves, level-sensing device is connected with transmission pump, Pneumatic conveyer respectively and controls the operation of transmission pump and Pneumatic conveyer and stop.
Further improvement of the utility model is: the bottom of crystal seed storage warehouse is provided with to the gasification installation that passes into compressed-air actuated acceleration crystal seed Flow of Goods and Materials in crystal seed storage warehouse, and described gasification installation is communicated with compressed air gas source by pipeline IV.
Further improvement of the utility model is: on the air outlet of crystal seed storage warehouse, be provided with bag dust collector, described bag dust collector is communicated with the compressed air gas source that is useful on blowback bag-type dust collector by pipeline III and pulse switch.
Further improvement of the utility model is: the top of crystal seed storage warehouse is provided with vacuum pressure Dump valve.
Owing to having adopted technique scheme, the technological advance that the utility model is obtained is:
The device of crystal seed is added in the crystallization that the utility model provides in producing, realized the automatic seed particles mass transport that screening operation is separated to Crystallization Procedure, automatically take required seed particles material, and automatically the mode of carrying by liquid after required seed particles material and mother liquor mixing is added in the crystallizer of regulation, alleviated workman's labour intensity, save time, avoided the pollution of manual operation to material, met the clean requirement of purified product.When seed particles material is transported to Crystallization Procedure from screening operation, the weighing balance that is arranged on crystal seed storage warehouse lower part outlet position can quantitatively take required crystal seed, and add in batch mixer, batch mixer is also communicated with crystalline mother solution scale tank, in batch mixer, crystalline mother solution fully can be mixed with crystal seed, thereby smoothly seed particles material be added in the crystallizer of regulation by liquid supplying way.
The electronic shutoff valve at the electric gate valve of crystal seed storage warehouse lower end and batch mixer discharging opening place can be realized auto feed, and it is convenient to control.The crystal grain storage tank in small, broken bits being connected with screening plant can temporarily store crystal grain in small, broken bits, by carrying the automatic control of pump feed.The cutter type gate valve of crystal grain storage tank in small, broken bits lower end switches rapidly, can cut off rapidly material, meets the technological requirement of equipment batch (-type) convey materials.The air filter at Pneumatic conveyer ventilation inlet place, has purified the air in access arrangement, has avoided the pollution of airborne impurity to crystal seed material.The aperture ratio of the 2:1 of pipeline I and pipeline II has guaranteed that pressurized air can promote material completely with suitable speed of transmission, avoids feed blocking diffuser.And the wind pressure measuring meter being arranged between roots blower and accelerating chamber can carry out real-time actv. monitoring to the blast size of source of the gas, guarantee that material transferring is smooth.The interlocked control of the level-sensing device in crystal seed storage warehouse, transmission pump, Pneumatic conveyer, can be according to the inventory automatic transport material in crystal seed storage warehouse.Therefore, realized the operation to Crystallization Procedure by the seed particles mass transport of screening operation automatically.The gasification installation of crystal seed storage warehouse bottom, has accelerated flowing of crystal seed material by passing into pressurized air, make discharging unobstructed, has avoided material to store at crystal seed the problem that material that bin hang-up arch camber causes can not normal descend.Fiber bag precipitator on crystal seed storage warehouse air outlet can purify the dusty gas discharging, prevent aerial contamination, the pulser that is communicated with fiber bag precipitator can pass into fiber bag precipitator the high pressure air of impulse form, can make the long-pending dust releasing that is attached to cloth bag surface, the operation of having saved artificial replacing cloth bag.When inflation exhaust, the vacuum pressure Dump valve on crystal seed storage warehouse top can protect crystal seed storage warehouse not affected by excessive malleation and negative pressure.
Accompanying drawing explanation
Fig. 1 adds the structural representation of the device of crystal seed during the crystallization of the utility model preferred embodiment is produced;
Reference numeral is as follows: 1-crystal grain storage tank in small, broken bits, 2-pipeline I, 3-cutter type gate valve, 4-transmission pump, 5-wind pressure measuring meter, 6-air filter, 7-roots blower, 8-accelerating chamber, 9-pipeline II, 10-compressed air gas source, 11-pipeline III, 12-pipeline IV, 13-bag dust collector, 14-vacuum pressure Dump valve, 15-pulse switch, 16-level-sensing device, 17-crystal seed storage warehouse, 18-gasification installation, 19-electric gate valve, 20-weighing balance, 21-crystalline mother solution scale tank, 22-batch mixer, the electronic shutoff valve of 23-, 24-pipeline V, 25-crystallizer.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further details.
As shown in Figure 1, the device of crystal seed is added in a kind of crystallization in producing, comprise crystal grain storage tank 1 in small, broken bits, Pneumatic conveyer, crystal seed storage warehouse 17, weighing balance 20, batch mixer 22, crystal grain storage tank 1 in small, broken bits and the crystallization corresponding connection of screening plant in producing, for the nonconformity material in small, broken bits under interim storage screening plant sieve, Pneumatic conveyer is transported to crystal seed storage warehouse 17 by the crystal grain in small, broken bits of screening operation, the lower part outlet position of crystal seed storage warehouse 17 is provided with weighing balance 20, crystal seed storage warehouse 17 and and weighing balance 20 between be provided with electric gate valve 19, weighing balance 20 below correspondences are provided with batch mixer 22, at the discharging opening place of batch mixer 22, be provided with electronic shutoff valve 23, described batch mixer 22 is also communicated with crystalline mother solution scale tank 21, crystalline mother solution is transported in batch mixer 22 by crystalline mother solution scale tank 21, make in batch mixer 22, fully to mix with mother liquor as the fine crushing material of crystal seed, the mother liquor that has added crystal seed in batch mixer 22 is transported in crystallizer 25 in liquid mode by pipeline V.
Described Pneumatic conveyer comprises roots blower 7 and accelerating chamber 8.Crystal grain storage tank in small, broken bits 1 lower end is communicated with the accelerating chamber 8 of Pneumatic conveyer by transmission pump 4 and pipeline I, the discharge end of transmission pump 4 is communicated with the feed space of accelerating chamber 8, the ventilation inlet of accelerating chamber 8 is communicated with roots blower 7, and the air outlet of accelerating chamber 8 is communicated to the top of crystal seed storage warehouse 17 by pipeline II.Between crystal grain storage tank 1 in small, broken bits and transmission pump 4, be provided with cutter type gate valve 3, can open and close rapidly, cut off rapidly material, the nominal diameter of pipeline I is 2 times of nominal diameter of pipeline II, guaranteed that source of the gas can promote material completely with suitable speed of transmission, avoids feed blocking diffuser.The inlet end of roots blower 7 is communicated with air filter 6, can purify the air in access arrangement, avoid the pollution of airborne impurity to crystal seed material, between roots blower 7 and accelerating chamber 8, be provided with wind pressure measuring meter 5, can carry out real-time actv. monitoring to the blast size of source of the gas, guarantee that material transferring is smooth.
In described crystal seed storage warehouse 17, be provided with the level-sensing device 16 of measuring crystal seed material reserves, can measure the upper and lower bound reserves of material, level-sensing device 16 also respectively with transmission pump 4, the roots blower 7 of Pneumatic conveyer, cutter type gate valve 3 connects, when material level reserves arrive upper limit position, level-sensing device 16 by electrical controller, control transmission pump 4 and Pneumatic conveyer out of service, when material level reserves arrive lower position, level-sensing device 16 controls transmission pump 4 by electrical controller and Pneumatic conveyer moves, thereby realize according to the automation mechanized operation of the inventory convey materials in crystal seed storage warehouse 17.The bottom of crystal seed storage warehouse 17 is provided with gasification installation 18, by pipeline IV, be communicated with compressed air gas source 10, by pass into pressurized air in crystal seed storage warehouse 17, accelerate flowing of crystal seed material, make discharging unobstructed, avoided the problem that material that bridging arch camber causes can not normal descend.The top of crystal seed storage warehouse 17 is also provided with air outlet, is provided with bag dust collector 13 on air outlet, can purify the dusty gas discharging, and prevents aerial contamination.Bag dust collector 13 is communicated with compressed air gas source 10 by pipeline III and pulse switch 15, when accumulate after a certain amount of dust bag dust collector 13 inside, pulse switch 15 is under the control of electrical controller, to the pressurized air that passes into impulse form in bag dust collector 13, bag dust collector 13 is carried out to blowback, make the long-pending dust releasing that is attached to cloth bag surface, the operation of having saved artificial replacing cloth bag.The top of crystal seed storage warehouse 17 is provided with vacuum pressure Dump valve 14, and when inflation exhaust, protection crystal seed storage warehouse 17 is not affected by excessive malleation and negative pressure.
The device of crystal seed is added in the crystallization that the utility model provides in producing, realized the automatic seed particles mass transport that screening operation is separated to Crystallization Procedure, automatically take required seed particles material, and automatically the mode of carrying by liquid after required seed particles material and mother liquor mixing is added in the crystallizer of regulation, alleviated workman's labour intensity, save time, avoided the pollution of manual operation to material, met the clean requirement of purified product.
Claims (10)
1. the device of crystal seed is added in a crystallization in producing, it is characterized in that: comprise that the corresponding crystal grain in small, broken bits by screening operation connecting of screening plant in producing with crystallization is transported to the Pneumatic conveyer with the crystal seed storage warehouse (17) of air outlet, the lower part outlet position of crystal seed storage warehouse (17) is provided with weighing balance (20), weighing balance (20) below correspondence is provided with batch mixer (22), and described batch mixer (22) is communicated with crystalline mother solution scale tank (21); Batch mixer (22) is communicated with crystallizer (25) by pipeline V (24).
2. the device of crystal seed is added in crystallization according to claim 1 in producing, and it is characterized in that: the discharging opening place, bottom of crystal seed storage warehouse (17) is provided with electric gate valve (19); At the discharging opening place of batch mixer, be provided with electronic shutoff valve (23).
3. the device of crystal seed is added in crystallization according to claim 1 in producing, it is characterized in that: the front end of described Pneumatic conveyer is provided with the crystal grain storage tank in small, broken bits (1) of connection corresponding to screening plant, described crystal grain storage tank in small, broken bits (1) lower end is communicated with Pneumatic conveyer by transmission pump (4) and pipeline I (2), and Pneumatic conveyer is communicated with crystal seed storage warehouse (17) by pipeline II (9).
4. the device of crystal seed is added in crystallization according to claim 3 in producing, and it is characterized in that: between crystal grain storage tank in small, broken bits (1) and transmission pump (4), be also provided with cutter type gate valve (3).
5. in producing according to the crystallization described in claim 1～4 any one, add the device of crystal seed, it is characterized in that: described Pneumatic conveyer comprises roots blower (7) and accelerating chamber (8), the inlet end of roots blower (7) is communicated with air filter (6), the outlet side of roots blower (7) is communicated with the ventilation inlet of accelerating chamber (8), the discharge end of transmission pump (4) is communicated with the feed space of accelerating chamber (8), and the air outlet of accelerating chamber (8) is communicated to the top of crystal seed storage warehouse (17) by pipeline II (9); Between roots blower (7) and accelerating chamber (8), be provided with wind pressure measuring meter (5).
6. the device of crystal seed is added in crystallization according to claim 5 in producing, and it is characterized in that: the nominal diameter of pipeline I (2) is 2 times of nominal diameter of pipeline II (9).
7. the device that adds crystal seed in producing according to the crystallization described in claim 1～4 any one, is characterized in that: in crystal seed storage warehouse (17), be provided with the level-sensing device (16) of measuring crystal seed material upper and lower bound reserves; Level-sensing device (16) respectively with transmission pump (4), Pneumatic conveyer is connected and control the operation of transmission pump (4) and Pneumatic conveyer and stop.
8. in producing according to the crystallization described in claim 1～4 any one, add the device of crystal seed, it is characterized in that: the bottom of crystal seed storage warehouse (17) is provided with to the gasification installation (18) that passes into compressed-air actuated acceleration crystal seed Flow of Goods and Materials in crystal seed storage warehouse (17), and described gasification installation (18) is communicated with compressed air gas source (10) by pipeline IV (12).
9. in producing according to the crystallization described in claim 1～4 any one, add the device of crystal seed, it is characterized in that: on the air outlet of crystal seed storage warehouse (17), be provided with bag dust collector (13), described bag dust collector (13) is communicated with the compressed air gas source (10) that is useful on blowback bag-type dust collector (13) by pipeline III (11) and pulse switch (15).
10. the device that adds crystal seed in producing according to the crystallization described in claim 1～4 any one, is characterized in that: the top of crystal seed storage warehouse (17) is provided with vacuum pressure Dump valve (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320594080.9U CN203461525U (en) | 2013-09-25 | 2013-09-25 | Seed crystal adding device in crystallization production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320594080.9U CN203461525U (en) | 2013-09-25 | 2013-09-25 | Seed crystal adding device in crystallization production |
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| Publication Number | Publication Date |
|---|---|
| CN203461525U true CN203461525U (en) | 2014-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320594080.9U Expired - Fee Related CN203461525U (en) | 2013-09-25 | 2013-09-25 | Seed crystal adding device in crystallization production |
Country Status (1)
| Country | Link |
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| CN (1) | CN203461525U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104555443A (en) * | 2014-12-31 | 2015-04-29 | 北京仁创科技集团有限公司 | Powder material conveying device |
| CN107826769A (en) * | 2017-11-29 | 2018-03-23 | 青岛科技大学 | A kind of novel material storage and induction system |
| CN109607652A (en) * | 2018-09-10 | 2019-04-12 | 北京沃尔福环保科技有限公司 | A kind of fluidized crystallization device and its technique |
| CN109969793A (en) * | 2019-04-30 | 2019-07-05 | 北京长峰金鼎科技有限公司 | A kind of remote negative pressure transportation equipment of wet feed and the transportation system comprising the equipment |
-
2013
- 2013-09-25 CN CN201320594080.9U patent/CN203461525U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104555443A (en) * | 2014-12-31 | 2015-04-29 | 北京仁创科技集团有限公司 | Powder material conveying device |
| CN104555443B (en) * | 2014-12-31 | 2017-05-03 | 北京仁创生态环保科技股份公司 | Powder material conveying device |
| CN107826769A (en) * | 2017-11-29 | 2018-03-23 | 青岛科技大学 | A kind of novel material storage and induction system |
| CN109607652A (en) * | 2018-09-10 | 2019-04-12 | 北京沃尔福环保科技有限公司 | A kind of fluidized crystallization device and its technique |
| CN109969793A (en) * | 2019-04-30 | 2019-07-05 | 北京长峰金鼎科技有限公司 | A kind of remote negative pressure transportation equipment of wet feed and the transportation system comprising the equipment |
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| GR01 | Patent grant | ||
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Granted publication date: 20140305 |