CN105709466A - Sedimentation tank capable of continuously collecting PHBA (p-hydroxybenzoic acid) crystals - Google Patents
Sedimentation tank capable of continuously collecting PHBA (p-hydroxybenzoic acid) crystals Download PDFInfo
- Publication number
- CN105709466A CN105709466A CN201610206874.1A CN201610206874A CN105709466A CN 105709466 A CN105709466 A CN 105709466A CN 201610206874 A CN201610206874 A CN 201610206874A CN 105709466 A CN105709466 A CN 105709466A
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- CN
- China
- Prior art keywords
- crystal
- hopper
- dehydration
- hydroxybenzoic acid
- collecting bin
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/245—Discharge mechanisms for the sediments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0059—General arrangements of crystallisation plant, e.g. flow sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/02—Crystallisation from solutions
- B01D9/04—Crystallisation from solutions concentrating solutions by removing frozen solvent therefrom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D2009/0086—Processes or apparatus therefor
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Centrifugal Separators (AREA)
Abstract
A sedimentation tank capable of continuously collecting PHBA (p-hydroxybenzoic acid) crystals comprises a sedimentation and crystallization tank and a crystal collecting and conveying device, wherein the sedimentation and crystallization tank is provided with a conical tank bottom, a transverse collecting tank is arranged at the bottom of the conical tank bottom, the crystal collecting and conveying device comprises a transverse push screw conveyer and a lifting dehydrator, the lifting dehydrator comprises a vertical conveying pipe, a vertical screw conveyer, a base frame type hopper bin and a dehydration hopper, the vertical conveying pipe is vertically mounted at one end of the sedimentation and crystallization tank, the base frame type hopper bin is mounted at the top of the vertical conveying pipe, and the dehydration hopper is sleeved with the base frame type hopper bin. The sedimentation tank is connected with a water drain pipe of a centrifuge to continuously collect the PHBA crystals settled at the bottom of the sedimentation and crystallization tank, the dehydration hopper dehydrates the crystals and then conveys the crystals outside timely, and the PHBA crystals in the sedimentation tank can be cleaned up while halt of the centrifuge is not required. Therefore, the sedimentation tank is reasonable in structure, convenient to control and capable of effectively improving the production efficiency.
Description
Technical field
The invention belongs to a kind of sedimentation tank, particularly relate to a kind of collection P-hydroxybenzoic acid crystal settling pond continuously.
Background technology
At present, the technological process of P-hydroxybenzoic acid product is produced, from the P-hydroxybenzoic acid solution that centrifuge emits, it is necessary to through sedimentation tank crystalline deposit, collect the part P-hydroxybenzoic acid contained in solution.But, due to the continuous continual discharge P-hydroxybenzoic acid solution of centrifuge, in sedimentation tank, the P-hydroxybenzoic acid crystal of precipitation will be cumulative, centrifuge is forced to stop producing, only the P-hydroxybenzoic acid crystal in sedimentation tank is cleaned out, centrifuge just can restart to produce, and not only to consume more time and manpower, also reduce production efficiency.
Summary of the invention
In order to solve prior art P-hydroxybenzoic acid sedimentation tank must stop production cleaning precipitating crystalline problem, P-hydroxybenzoic acid crystal settling pond is collected continuously it is desirable to provide a kind of, this sedimentation tank is provided with crystal and collects conveyer device, collect the P-hydroxybenzoic acid forming lenticular in time, and it is transported to outside sedimentation tank, need not stop producing by centrifuge, just the P-hydroxybenzoic acid crystal in sedimentation tank can be cleaned out.
In order to achieve the above object, the present invention adopts the following technical scheme that；A kind of collection P-hydroxybenzoic acid crystal settling pond continuously, collects conveyer device including precipitated crystal pond and crystal, it is characterized in that；Described precipitated crystal pond is provided with at the bottom of conical tank, lateral collection groove it is provided with bottom at the bottom of at conical tank, described crystal is collected conveyer device and is included horizontal pushing away auger and lifting dewatering machine, the described horizontal auger that pushes away is arranged in lateral collection groove and is provided with horizontal strand driving machine, described lifting dewatering machine includes vertical conveying pipeline, vertical auger, pedestal moulding mixture hopper and dehydration hopper, described vertical conveying pipeline is erect and is arranged on end, precipitated crystal pond and matches with the horizontal auger that pushes away, it is provided with conveying tube head at vertical conveying pipeline top, described vertical auger cover is contained in vertical conveying pipeline inner chamber and is provided with the strand driving machine that hangs down, described pedestal moulding mixture hopper is arranged on vertical conveying pipeline top and its outer ring is provided with crystal collecting bin, it is provided with in crystal collecting bin and expects clearly scraper plate, described dehydration hopper is sleeved in pedestal moulding mixture hopper and is provided with dehydration and drives machine, it is provided with axle sleeve type support at dehydration hopper central, described axle sleeve type support is connected with vertical conveying pipeline rotating shaft, it is provided with lifting type baffle plate at dehydration hopper top, described lifting type baffle plate is provided with baffle plate elevator.
This preferred embodiment also has following technical characteristic:
Top, described precipitated crystal pond is provided with stock solution conveying pipe and overflow pipe, and the described horizontal auger that pushes away is arranged in lateral collection groove by rotating shaft, and described horizontal strand driving machine is arranged on outside precipitated crystal pond, and described vertical conveying pipeline is arranged on and horizontal pushes away auger end.
The described pedestal cylindrical structure of moulding mixture hopper is also arranged on below conveying tube head, it is provided with return water pipe bottom pedestal moulding mixture hopper, described crystal collecting bin be cirque structure and its bottom be provided with the outer defeated pipe of crystal, be provided with the collection Hatch Opening that communicates with dehydration hopper at crystal collecting bin top.
Described dehydration hopper is flared cylindrical structure, is provided with solution filter opening at dehydration hopper outer ring strickle and bottom, and described dehydration is driven machine to be arranged on bottom pedestal moulding mixture hopper and is connected with axle sleeve type support by drive mechanism.
Described lifting type baffle plate is cirque structure and coordinates with dehydration hopper top opening cutting ferrule, is provided with transmission gusset in lifting type baffle plate outer ring, and described baffle plate elevator is arranged on crystal collecting bin top and its lifting top rod is connected with transmission gusset.
Being provided with cast driving-chain in crystal collecting bin, described cast driving-chain is provided with rotary driving machine, described clear material scraper plate be arranged on cast driving-chain and with press close to crystal collecting bin base plate.
The present embodiment is connected with centrifuge drain pipe, collect the P-hydroxybenzoic acid crystal sunk to bottom precipitated crystal pond continuously, dehydration hopper is outwards carried after crystal carries out processed in time, it is not necessary to centrifuge stops producing, and just can be cleaned out by the P-hydroxybenzoic acid crystal in sedimentation tank.Therefore, this is collected continuously, and P-hydroxybenzoic acid crystal settling pool structure is reasonable, manipulation is convenient, can be effectively improved production efficiency.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the assembling structural representation of one embodiment of the invention.
Fig. 2 is the structural representation that in Fig. 1, dehydration hopper 34 assembles with vertical conveying pipeline 31, pedestal moulding mixture hopper 33.
Fig. 3 is the horizontal structural representation pushing away auger 20 in Fig. 1.
In figure, sequence number represents respectively: 10. precipitated crystal pond, 11. at the bottom of conical tank, 12. lateral collection groove, 13. stock solution conveying pipe, 14. overflow pipe, auger is pushed away 20. horizontal, 21. horizontal strand driving machine, 30. lifting dewatering machine, 31. vertical conveying pipeline, 310. conveying tube head, 32. vertical auger, the strand driving machine 320. hang down, 33. pedestal moulding mixture hopper, 330. return water pipe, 34. dehydration hopper, 340. dehydration drives machine, 341. axle sleeve type support, 35. crystal collecting bin, 350. expect clearly scraper plate, 351. the outer defeated pipe of crystal, 352. collection Hatch Opening, 353. cast driving-chain, 354. rotary driving machine, 36. lifting type baffle plate, 360. baffle plate elevator, 361. transmission gusset.
Detailed description of the invention
Referring to accompanying drawing 1 and in conjunction with Fig. 2, 3, the collection P-hydroxybenzoic acid crystal settling pond continuously of the present embodiment, conveyer device is collected including precipitated crystal pond 10 and crystal, described precipitated crystal pond 10 is provided with at the bottom of conical tank 11, lateral collection groove 12 it is provided with bottom at the bottom of conical tank 11, described crystal is collected conveyer device and is included horizontal pushing away auger 20 and lifting dewatering machine 30, the described horizontal auger 20 that pushes away is arranged in lateral collection groove 12 and is provided with horizontal strand driving machine 21, described lifting dewatering machine 30 includes vertical conveying pipeline 31, vertical auger 32, pedestal moulding mixture hopper 33 and dehydration hopper 34, described vertical conveying pipeline 31 is erect and is arranged on end, precipitated crystal pond 10 and matches with the horizontal auger 20 that pushes away, it is provided with conveying tube head 310 at vertical conveying pipeline 31 top, described vertical auger 32 is sleeved on vertical conveying pipeline 31 inner chamber and is provided with the strand driving machine 320 that hangs down, described pedestal moulding mixture hopper 33 is arranged on vertical conveying pipeline 31 top and its outer ring is provided with crystal collecting bin 35, clear material scraper plate 350 it is provided with in crystal collecting bin 35, described dehydration hopper 34 is sleeved in pedestal moulding mixture hopper 33 and is provided with dehydration and drives machine 340, it is provided with axle sleeve type support 341 at dehydration hopper 34 center, described axle sleeve type support 341 is connected with the rotating shaft of vertical conveying pipeline 31, it is provided with lifting type baffle plate 36 at dehydration hopper 34 top, described lifting type baffle plate 36 is provided with baffle plate elevator 360.
The P-hydroxybenzoic acid crystal settling pond of collecting continuously of the present embodiment is connected with the drain pipe of centrifuge, the P-hydroxybenzoic acid solution that centrifuge emits is formed crystal in precipitated crystal pond 10 and is precipitated at the bottom of pond, crystal is collected conveyer device and is collected the P-hydroxybenzoic acid crystal sunk at the bottom of pond in time, outwards carry after it is carried out processed, need not stop producing by centrifuge, just the P-hydroxybenzoic acid crystal in sedimentation tank can be cleaned out.
Top, described precipitated crystal pond 10 is provided with stock solution conveying pipe 13 and overflow pipe 14, the described horizontal auger 20 that pushes away is arranged in lateral collection groove 12 by rotating shaft, it is outside that described horizontal strand driving machine 21 is arranged on precipitated crystal pond 10, and described vertical conveying pipeline 31 is arranged on and horizontal pushes away auger 20 end.
Stock solution conveying pipe 13 is connected with the drain pipe of centrifuge, and the P-hydroxybenzoic acid solution input precipitated crystal pond 10 emitted by centrifuge, P-hydroxybenzoic acid solution, after crystalline deposit, discharges precipitated crystal pond 10 from overflow pipe 14.
The crystal that P-hydroxybenzoic acid solution is formed in precipitated crystal pond 10, lateral collection groove 12 is slipped into along at the bottom of conical tank 11, horizontal strand driving machine 21 drives the horizontal auger 20 that pushes away slowly to rotate, crystal in lateral collection groove 12 is pushed to vertical conveying pipeline 31, and is delivered up to dehydration hopper 34 by vertical auger 32.
When being embodied as, vertical conveying pipeline 31 is erect by support and is arranged on inside precipitated crystal pond 10 or outside, and it is outside that horizontal strand drives machine 21 to be arranged on precipitated crystal pond 10, drives the horizontal auger 20 that pushes away to rotate by drive mechanism, will not be subject to water body corrosion and damage.
When being embodied as, being provided with multiple conveying tube head 310 at vertical conveying pipeline 31 top, the mouth of pipe of conveying tube head 310 is arranged on above dehydration hopper 34, makes the crystal that vertical conveying pipeline 31 exports fall directly in dehydration hopper 34.
When being embodied as, strand of hanging down driving machine 320 is arranged on vertical conveying pipeline 31 top and is connected with vertical auger 32 by drive mechanism.
The cylindrical structure of described pedestal moulding mixture hopper 33 is also arranged on below conveying tube head 310, it is provided with return water pipe 330 bottom pedestal moulding mixture hopper 33, described crystal collecting bin 35 is provided with the outer defeated pipe 351 of crystal in cirque structure and bottom it, is provided with the collection Hatch Opening 352 that communicates with dehydration hopper 34 at crystal collecting bin 35 top.
Pedestal moulding mixture hopper 33 is fixedly mounted on vertical conveying pipeline 31 top, is the dash shell of dehydration hopper 34, is again the installing base frame of crystal collecting bin 35.When dehydration hopper 34 rotates, the P-hydroxybenzoic acid solution in crystal entering pedestal moulding mixture hopper 33, return water pipe 330 is connected with precipitated crystal pond 10 by pipeline, and solution in pedestal moulding mixture hopper 33 is entered precipitated crystal pond 10 again.
In rotary manner, by the crystal input crystal collecting bin 35 through dehydration in hopper, crystal collecting bin 35 outwards carries P-hydroxybenzoic acid crystal by the outer defeated pipe 351 of crystal to dehydration hopper 34.
Described dehydration hopper 34, in flared cylindrical structure, is provided with solution filter opening at dehydration hopper 34 outer ring strickle and bottom, and described dehydration is driven machine 340 to be arranged on bottom pedestal moulding mixture hopper 33 and is connected with axle sleeve type support 341 by drive mechanism.
Dehydration hopper 34 is arranged on pedestal moulding mixture hopper 33 inner chamber by axle sleeve type support 341 and can easily rotate, dehydration drives machine 340 to drive by drive mechanism and control dehydration hopper 34 to rotate, dried by the P-hydroxybenzoic acid crystal in dehydration hopper 34 and by the crystal input crystal collecting bin 35 after drying.
During dehydration hopper 34 high speed rotating of flared cylindrical structure, the P-hydroxybenzoic acid solution of its inner chamber flows into pedestal moulding mixture hopper 33 from solution filter opening and drains, P-hydroxybenzoic acid crystal along headwall to dehydration hopper 34 top slide, when lifting type baffle plate 36 is inserted in dehydration hopper 34 top opening, make the P-hydroxybenzoic acid crystal can only along with dehydration hopper 34 rotary dehydration, when lifting type baffle plate 36 runs up and departs from dehydration hopper 34 top opening, P-hydroxybenzoic acid crystal in hopper under the influence of centrifugal force, enters crystal collecting bin 35 from collecting Hatch Opening 352.
Described lifting type baffle plate 36 in cirque structure and coordinates with dehydration hopper 34 top opening cutting ferrule, is provided with transmission gusset 361 in lifting type baffle plate 36 outer ring, and described baffle plate elevator 360 is arranged on crystal collecting bin 35 top and its lifting top rod is connected with transmission gusset 361.
When being embodied as, lifting type baffle plate 36 is provided with multiple stage baffle plate elevator 360, and multiple stage baffle plate elevator 360 is uniformly arranged on lifting type baffle plate 36 outer ring and synchronization lifting runs, and drives lifting type baffle plate 36 reduce or raise.When lifting type baffle plate 36 reduces, its base plate is just inserted in dehydration hopper 34 top opening, make dehydration hopper 34 top opening and collect Hatch Opening 352 all in closed mode, can prevent dehydration hopper 34 from getting rid of into crystal collecting bin 35 by P-hydroxybenzoic acid crystal, dehydration hopper 34 will not be hindered again to rotate.When lifting type baffle plate 36 raises, its base plate runs up disengaging dehydration hopper 34 top opening, opens collection Hatch Opening 352 simultaneously, and dehydration hopper 34 just can by convenient for P-hydroxybenzoic acid crystal input crystal collecting bin 35.
Being provided with cast driving-chain 353 in crystal collecting bin 35, described cast driving-chain 353 is provided with rotary driving machine 354, described clear material scraper plate 350 be arranged on cast driving-chain 353 and with press close to crystal collecting bin 35 base plate.
Cast driving-chain 353 is arranged on the bulkhead of crystal collecting bin 35, rotary driving machine 354 drives cast driving-chain 353 along crystal collecting bin 35 bulkhead cycle rotation, cast driving-chain 353 drives clear material scraper plate 350 to against crystal collecting bin 35 base plate circular flow, promotes the crystal on crystal collecting bin 35 base plate to fall into the outer defeated pipe 351 of crystal.
When being embodied as, cast driving-chain 353 is provided with polylith and expects clearly scraper plate 350, bottom crystal collecting bin 35, be provided with the outer defeated pipe 351 of many crystal, make crystal collecting bin 35 quickly can outwards transmit P-hydroxybenzoic acid crystal.
In sum, the present embodiment solve prior art P-hydroxybenzoic acid sedimentation tank must stop production cleaning precipitating crystalline problem, providing a kind of centrifuge that do not need to stop producing, that just can be cleaned out by P-hydroxybenzoic acid crystal in sedimentation tank collects P-hydroxybenzoic acid crystal settling pond continuously.
Claims (6)
1. a continuous collection P-hydroxybenzoic acid crystal settling pond, conveyer device is collected including precipitated crystal pond and crystal, it is characterized in that: described precipitated crystal pond (10) is provided with (11) at the bottom of conical tank, it is provided with lateral collection groove (12) in (11) bottom at the bottom of conical tank, described crystal is collected conveyer device and is included horizontal pushing away auger (20) and lifting dewatering machine (30), the described horizontal auger (20) that pushes away is arranged in lateral collection groove (12) and is provided with horizontal strand driving machine (21), described lifting dewatering machine (30) includes vertical conveying pipeline (31), vertical auger (32), pedestal moulding mixture hopper (33) and dehydration hopper (34), described vertical conveying pipeline (31) is erect and is arranged on (10) end, precipitated crystal pond and matches with the horizontal auger (20) that pushes away, it is provided with conveying tube head (310) at vertical conveying pipeline (31) top, described vertical auger (32) is sleeved on vertical conveying pipeline (31) inner chamber and is provided with strand driving machine (320) of hanging down, described pedestal moulding mixture hopper (33) is arranged on vertical conveying pipeline (31) top and its outer ring and is provided with crystal collecting bin (35), it is provided with in crystal collecting bin (35) and expects clearly scraper plate (350), described dehydration hopper (34) is sleeved in pedestal moulding mixture hopper (33) and is provided with dehydration and drives machine (340), it is provided with axle sleeve type support (341) at dehydration hopper (34) center, described axle sleeve type support (341) is connected with vertical conveying pipeline (31) rotating shaft, it is provided with lifting type baffle plate (36) at dehydration hopper (34) top, described lifting type baffle plate (36) is provided with baffle plate elevator (360).
2. one according to claim 1 collects P-hydroxybenzoic acid crystal settling pond continuously, it is characterized in that: described precipitated crystal pond (10) top is provided with stock solution conveying pipe (13) and overflow pipe (14), the described horizontal auger (20) that pushes away is arranged in lateral collection groove (12) by rotating shaft, it is outside that described horizontal strand driving machine (21) is arranged on precipitated crystal pond (10), and described vertical conveying pipeline (31) is arranged on and horizontal pushes away auger (20) end.
3. one according to claim 1 collects P-hydroxybenzoic acid crystal settling pond continuously, it is characterized in that: described pedestal moulding mixture hopper (33) cylindrical structure is also arranged on conveying tube head (310) lower section, it is provided with return water pipe (330) in pedestal moulding mixture hopper (33) bottom, described crystal collecting bin (35) is provided with the outer defeated pipe (351) of crystal in cirque structure and bottom it, is provided with collection Hatch Opening (352) that communicates with dehydration hopper (34) at crystal collecting bin (35) top.
4. one according to claim 1 collects P-hydroxybenzoic acid crystal settling pond continuously, it is characterized in that: described dehydration hopper (34) is in flared cylindrical structure, being provided with solution filter opening at dehydration hopper (34) outer ring strickle and bottom, described dehydration drives machine (340) be arranged on pedestal moulding mixture hopper (33) bottom and be connected with axle sleeve type support (341) by drive mechanism.
5. one according to claim 1 collects P-hydroxybenzoic acid crystal settling pond continuously, it is characterized in that: described lifting type baffle plate (36) coordinates in cirque structure and with dehydration hopper (34) top opening cutting ferrule, be provided with transmission gusset (361) in lifting type baffle plate (36) outer ring, described baffle plate elevator (360) is arranged on crystal collecting bin (35) top and its lifting top rod and is connected with transmission gusset (361).
6. one according to claim 1 collects P-hydroxybenzoic acid crystal settling pond continuously, it is characterized in that: in crystal collecting bin (35), be provided with cast driving-chain (353), described cast driving-chain (353) is provided with rotary driving machine (354), described clear material scraper plate (350) be arranged on cast driving-chain (353) upper and with press close to crystal collecting bin (35) base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610206874.1A CN105709466B (en) | 2016-04-02 | 2016-04-02 | A kind of continuous collection P-hydroxybenzoic acid crystal settling pond |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610206874.1A CN105709466B (en) | 2016-04-02 | 2016-04-02 | A kind of continuous collection P-hydroxybenzoic acid crystal settling pond |
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| CN105709466A true CN105709466A (en) | 2016-06-29 |
| CN105709466B CN105709466B (en) | 2017-08-25 |
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| CN201610206874.1A Active CN105709466B (en) | 2016-04-02 | 2016-04-02 | A kind of continuous collection P-hydroxybenzoic acid crystal settling pond |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113750581A (en) * | 2021-09-07 | 2021-12-07 | 刘政 | Waste water precipitate separating device for power plant desulfurization |
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| KR100465870B1 (en) * | 2002-11-14 | 2005-01-13 | 주식회사 타 셋 | Total water free treatment system |
| CN102350082A (en) * | 2011-09-02 | 2012-02-15 | 江苏斯威森生物医药工程研究中心有限公司 | Crystallizing tank used for Arteether |
| CN102527103A (en) * | 2012-03-07 | 2012-07-04 | 宜兴市环球水处理设备有限公司 | Tilted plate precipitator |
| CN204017457U (en) * | 2014-07-29 | 2014-12-17 | 绿地环保科技股份有限公司 | Vertical sedimentation tank modified node method |
| JP2015142881A (en) * | 2014-01-31 | 2015-08-06 | 昭和環境システム株式会社 | Crystallization device |
| CN205412350U (en) * | 2016-04-02 | 2016-08-03 | 衢州妙凯节能科技有限公司 | Collect p hydroxybenzoic acid crystal sedimentation tank in succession |
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4260488A (en) * | 1975-08-19 | 1981-04-07 | Societe Generale De Constructions Electriques Et Mecaniques Alsthom S.A. | Device for compacting and draining fluid sludges containing fibrous materials |
| KR100465870B1 (en) * | 2002-11-14 | 2005-01-13 | 주식회사 타 셋 | Total water free treatment system |
| CN1554637A (en) * | 2003-12-29 | 2004-12-15 | 扬子石油化工股份有限公司 | Separative purifying method for terephthalic acid |
| CN102350082A (en) * | 2011-09-02 | 2012-02-15 | 江苏斯威森生物医药工程研究中心有限公司 | Crystallizing tank used for Arteether |
| CN102527103A (en) * | 2012-03-07 | 2012-07-04 | 宜兴市环球水处理设备有限公司 | Tilted plate precipitator |
| JP2015142881A (en) * | 2014-01-31 | 2015-08-06 | 昭和環境システム株式会社 | Crystallization device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113750581A (en) * | 2021-09-07 | 2021-12-07 | 刘政 | Waste water precipitate separating device for power plant desulfurization |
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| CN105709466B (en) | 2017-08-25 |
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