CN114130637A - High-efficient fractionation device - Google Patents
High-efficient fractionation device Download PDFInfo
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- CN114130637A CN114130637A CN202111425973.6A CN202111425973A CN114130637A CN 114130637 A CN114130637 A CN 114130637A CN 202111425973 A CN202111425973 A CN 202111425973A CN 114130637 A CN114130637 A CN 114130637A
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- 238000005194 fractionation Methods 0.000 title claims description 3
- 239000013078 crystal Substances 0.000 claims abstract description 103
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 99
- 238000002425 crystallisation Methods 0.000 claims abstract description 15
- 230000008025 crystallization Effects 0.000 claims abstract description 15
- 238000000605 extraction Methods 0.000 claims abstract description 9
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 239000002245 particle Substances 0.000 claims description 30
- 238000000926 separation method Methods 0.000 claims description 22
- 238000011010 flushing procedure Methods 0.000 claims description 11
- 238000011084 recovery Methods 0.000 claims description 10
- 239000002351 wastewater Substances 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims 1
- 238000011001 backwashing Methods 0.000 description 17
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000009388 chemical precipitation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Classifications
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0036—Crystallisation on to a bed of product crystals; Seeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0063—Control or regulation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0077—Screening for crystallisation conditions or for crystal forms
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D2009/0086—Processes or apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D2009/0086—Processes or apparatus therefor
- B01D2009/009—Separation of organic compounds by selective or extractive crystallisation with the aid of auxiliary substances forming complex or molecular compounds, e.g. with ureum, thioureum or metal salts
-
- 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
- B07B2230/00—Specific aspects relating to the whole B07B subclass
- B07B2230/01—Wet separation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
- Pretreatment Of Seeds And Plants (AREA)
Abstract
The invention discloses a high-efficiency seed grading and separating device, wherein a #0 separating plate, a #1 separating plate and a #2 separating plate are sequentially arranged in a shell from top to bottom, and the interior of the shell is divided into a drainage chamber, a #1 seed crystal chamber, a #2 seed crystal chamber and a clear water chamber which are sequentially distributed from top to bottom through the #0 separating plate, the #1 separating plate and the #2 separating plate; the top of the drainage cavity is provided with a top interface, wherein the top interface is connected with one end of a top main pipe, and the other end of the top main pipe is connected with an air pump through an air extraction valve; a water inlet device is arranged in the #1 seed crystal chamber, and a #1 seed crystal discharging interface is arranged on the side surface of the bottom of the #1 seed crystal chamber; the water inlet of the water inlet device is connected with one end of a water inlet main pipe through a water inlet interface, the other end of the water inlet main pipe is connected with a crystal seed discharge port of the crystallization reactor through a water inlet valve, the device can solve the problems that the existing device needs to discharge crystal seeds with height difference, the size of the device is limited, the field arrangement is difficult, and the immature crystal seeds are not recycled.
Description
Technical Field
The invention relates to a water treatment device, in particular to a high-efficiency seed crystal grading separation device.
Background
Seed crystals are added in the chemical precipitation reaction, the precipitation can be carried out under a lower supersaturation degree through induced nucleation, the reaction efficiency is improved, the generated precipitates are solidified on the surfaces of the seed crystals, the particle size of the seed crystals is increased, the mature seed crystals are recycled, and the generation of sludge solid waste byproducts is reduced. After the volume of the seed crystal is increased to a certain volume, the volume in the reactor is increased, the specific surface area is reduced, and the seed crystal needs to be discharged from the reactor, and at present, the seed crystal is generally discharged through a seed crystal discharge port at the bottom of the reactor by gravity and is directly transported to a downstream user after being discharged. The height of the seed receiving device is lower than that of the fluidized bed seed discharging port, the seed receiving device is always positioned beside the reactor, the requirement on the position is high, in addition, the seed discharged from the reactor is more or less provided with small immature seeds, the content of effective components of the small-particle-size seed is low, the integral purity of the seed is obviously reduced, the purity requirement of downstream users cannot be met, and the small-particle-size seed is not recycled.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a high-efficiency seed crystal grading and separating device which can solve the problems that the prior device needs to discharge seed crystals with height difference, the size of the device is limited, the field arrangement is difficult, and immature seed crystals are not recycled.
In order to achieve the purpose, the high-efficiency seed crystal grading and separating device comprises a shell, a water inlet interface, a water inlet main pipe, a water inlet valve, #1 particle conveying device, an air extraction valve, a top main pipe, #1 particle conveying device, #2 particle conveying device and an air extraction pump;
the inside of the shell is divided into a drainage chamber, a seed crystal chamber #1, a seed crystal chamber # 2 and a clear water chamber which are sequentially distributed from top to bottom through the separation plate #0, the separation plate #1 and the separation plate # 2;
the top of the drainage cavity is provided with a top interface, wherein the top interface is connected with one end of a top main pipe, and the other end of the top main pipe is connected with an air pump through an air extraction valve;
a water inlet device is arranged in the #1 seed crystal chamber, and a #1 seed crystal discharging interface is arranged on the side surface of the bottom of the #1 seed crystal chamber; the water inlet of the water inlet device is connected with one end of a water inlet main pipe through a water inlet interface, the other end of the water inlet main pipe is connected with a crystal seed discharge port of the crystallization reactor through a water inlet valve, and a #1 crystal seed discharge interface is connected with a #1 particle conveying device;
the side of #2 seed crystal cavity bottom is provided with #2 seed crystal and discharges the interface, and the bottom of clear water cavity is provided with the bottom interface.
The side surface of the #1 seed crystal chamber is provided with a #1 perspective mirror and a #1 manhole.
The side of the #2 seed crystal chamber is provided with a #2 perspective mirror and a #2 manhole.
The device also comprises a top back-washing drainage valve, wherein the top main pipe is connected with one end of the top back-washing drainage valve, and the other end of the top back-washing drainage valve is connected with an external wastewater recovery water tank.
The top back-washing water discharge valve is connected with an external wastewater recovery water tank through a back-washing water discharge pipeline.
The device also comprises a back-flushing water inlet valve; the water inlet main pipe is connected with one end of a back flush water inlet valve, and the other end of the back flush water inlet valve is connected with the water inlet main pipe of the crystallization reactor.
The device also comprises a #2 particle conveying device; and the #2 seed crystal discharge interface is connected with the #2 particle conveying device.
The device also comprises a bottom drainage valve; the bottom interface is connected with a wastewater recovery pool through a bottom drainage valve.
The invention has the following beneficial effects:
when the high-efficiency seed crystal grading separation device is operated specifically, micro negative pressure is formed in the shell through the air suction pump, so that the problems that the existing device needs to discharge seed crystals at different heights, the size of the device is limited, and the field arrangement is difficult are solved.
Furthermore, the method utilizes the raw water to carry out back washing on the seed crystal so as to strengthen the grading separation effect.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Wherein, 1-1 is a #0 separation plate, 1-2 is a drainage chamber, 1-3 is a top connector, 1-4 is a top mother pipe, 1-5 is an air extraction valve, 1-6 is a top back-flushing drainage valve, 1-7 is a back-flushing drainage pipe, 2-1 is a water inlet device, 2-2 is a #1 separation plate, 2-3 is a #1 seed crystal chamber, 2-4 is a #1 seed crystal discharge connector, 2-5 is a water inlet connector, 2-6 is a water inlet mother pipe, 2-7 is a water inlet valve, 2-8 is a back-flushing water inlet valve, 2-9 is a #1 particle conveying device, 2-10 is a #1 perspective mirror, 2-11 is a #1 manhole, 3-1 is a #2 separation plate, 3-2 is a #2 seed crystal chamber, 3-3 is a #2 seed crystal discharge connector, 3-4 is #2 granule conveyor, 3-5 is #2 perspective mirror, 3-6 is #2 manhole, 4-1 is clear water chamber, 4-2 is bottom interface, 4-3 is bottom drainage valve.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments, and are not intended to limit the scope of the present disclosure. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
There is shown in the drawings a schematic block diagram of a disclosed embodiment in accordance with the invention. The figures are not drawn to scale, wherein certain details are exaggerated and possibly omitted for clarity of presentation. The shapes of various regions, layers and their relative sizes and positional relationships shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, according to actual needs.
Referring to fig. 1, the high-efficiency seed crystal grading and separating device of the present invention comprises a housing, a water inlet port 2-5, a water inlet main pipe 2-6, a water inlet valve 2-7, a back flush water inlet valve 2-8, a #1 particle transporting device 2-9, a back flush water discharging pipe 1-7, a top back flush water discharging valve 1-6, an air extracting valve 1-5, a top main pipe 1-4, a #1 particle transporting device 2-9, a #2 particle transporting device 3-4 and a bottom water discharging valve 4-3;
the inside of the shell is divided into a drainage chamber 1-2, a seed crystal chamber 2-3 and a seed crystal chamber 3-2 which are sequentially distributed from top to bottom and a clear water chamber 4-1 by the #0 separating plate 1-1, the #1 separating plate 2-2 and the #2 separating plate 3-1;
further, a top interface 1-3 is arranged at the top of the drainage chamber 1-2, wherein the top interface 1-3 is connected with one end of a top main pipe 1-4, the other end of the top main pipe 1-4 is connected with one end of a top backwashing drainage valve 1-6 and one end of an air suction valve 1-5, the other end of the top backwashing drainage valve 1-6 is connected with a backwashing drainage pipe 1-7, and the backwashing drainage pipe 1-7 is connected with an external wastewater recovery water tank; the other end of the air extraction valve 1-5 is connected with an air extraction pump.
Further, a water inlet device 2-1 is arranged in the #1 seed crystal chamber 2-3, and a #1 seed crystal discharge port 2-4 is arranged on the side surface of the bottom of the #1 seed crystal chamber 2-3;
a water inlet of the water inlet device 2-1 is connected with one end of a water inlet main pipe 2-6 through a water inlet interface 2-5, and the other end of the water inlet main pipe 2-6 is connected with one end of a water inlet valve 2-7 and one end of a back flush water inlet valve 2-8; the other end of the water inlet valve 2-7 is connected with a crystal seed discharge port of the crystallization reactor, and the other end of the back flush water inlet valve 2-8 is connected with a water inlet main pipe of the crystallization reactor; the #1 crystal seed discharge interface 2-4 is connected with the #1 particle conveying device 2-9;
the side surface of the #1 seed crystal chamber 2-3 is provided with a #1 perspective mirror 2-10 and a #1 manhole 2-11.
Further, the side surface of the bottom of the #2 seed crystal chamber 3-2 is provided with a #2 seed crystal discharge port 3-3, and the #2 seed crystal discharge port 3-3 is connected with a #2 particle conveying device 3-4;
the side surface of the #2 seed crystal chamber 3-2 is provided with a #2 perspective mirror 3-5 and a #2 manhole 3-6.
Further, the bottom of the clean water chamber 4-1 is provided with a bottom interface 4-2, and the bottom interface 4-2 is connected with a wastewater recovery water tank through a bottom drainage valve 4-3.
The volumes of the #1 seed crystal chamber 2-3 and the #2 seed crystal chamber 3-2 can be adjusted and designed according to the single seed crystal discharge amount and the running state of the crystallization reactor;
the pore diameters of the #0 separation plate 1-1, the #1 separation plate 2-2 and the #2 separation plate 3-1 are adjusted and designed according to the particle size of the crystallization reactor seed crystal.
The specific working process of the invention is as follows:
when the crystallization reactor needs to discharge the seed crystals, the water inlet valve 2-7 is opened, the back flush water inlet valve 2-8 is closed, the bottom water discharge valve 4-3 is opened, the air exhaust valve 1-5 is opened, the top back flush water discharge valve 1-6 is closed, the air exhaust pump exhausts air, so that a micro negative pressure environment is formed in the shell, the crystallization reactor seed crystal enters a #1 seed crystal chamber 2-3 through a water inlet device 2-1 by a water inlet valve 2-7 and a water inlet main pipe 2-6 under the action of pressure difference, the aperture of a #1 separation plate 2-2 is larger than the grain diameter of mature large-particle seed crystal, under the washing of water flow, mature large-particle seed crystals are intercepted by the #1 separation plate 2-2 and collected in the #1 seed crystal chamber 2-3, and are discharged through the #1 particle conveying device 2-9 for resource utilization; immature small-particle seed crystals enter a #2 seed crystal chamber 3-2 through a #1 separation plate 2-2, the aperture of the #2 separation plate 3-1 is larger than the particle size of the immature original seed crystals, the immature small-particle seed crystals are intercepted by a #2 separation plate 3-1 and collected in a #2 seed crystal chamber 3-2, and finally the immature small-particle seed crystals are conveyed to a crystallization reactor seed crystal feeding device through a #2 particle conveying device 3-4 and returned to the crystallization reactor for continuous recycling.
The water discharged by the crystallization reactor along with the seed crystal passes through the #1 seed crystal chamber 2-3 and the #2 seed crystal chamber 3-2 to enter the clear water chamber 4-1 under the action of gravity, and is finally sent to a wastewater recovery water pool for recycling.
After the seed crystal is discharged, the grading separation effect of the seed crystal is improved through backwashing, during backwashing, a water inlet valve 2-7 is closed, a backwashing water inlet valve 2-8 is opened, a bottom water drain valve 4-3 is closed, an air suction valve 1-5 is closed, a top backwashing water drain valve 1-6 is opened, the water fed into an original crystallization reactor is used as a backwashing water source to flush and stir the seed crystal in a #1 seed crystal chamber 2-3, the aperture of a #0 separation plate 1-1 is larger than the particle size of the immature original seed crystal, the seed crystal is intercepted, the residual small particle seed crystal in the #1 seed crystal chamber 2-3 enters a #2 seed crystal chamber 3-2 through the #1 separation plate 2-2 under the action of strong water flow, the grading separation effect of the seed crystal is further improved, and the backwashing water passes through the top backwashing water drain valve 1-6, and is sent to a wastewater recovery water tank for recycling through a back flushing drainage pipeline 1-7.
The above description is only an example of the implementation steps of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A high-efficiency classification separation device for seed crystals is characterized by comprising a shell, water inlet connectors (2-5), water inlet main pipes (2-6), water inlet valves (2-7), a #1 particle conveying device (2-9), air extraction valves (1-5), top main pipes (1-4), a #1 particle conveying device (2-9), a #2 particle conveying device (3-4) and an air extraction pump;
the inside of the shell is divided into a drainage chamber (1-2), a seed crystal chamber (2-3) and a seed crystal chamber (3-2) and a clear water chamber (4-1) which are sequentially distributed from top to bottom through the #0 separating plate (1-1), the #1 separating plate (2-2) and the #2 separating plate (3-1);
the top of the drainage chamber (1-2) is provided with a top interface (1-3), wherein the top interface (1-3) is connected with one end of a top main pipe (1-4), and the other end of the top main pipe (1-4) is connected with an air suction pump through an air suction valve (1-5);
a water inlet device (2-1) is arranged in the #1 seed crystal chamber (2-3), and a #1 seed crystal discharging interface (2-4) is arranged on the side surface of the bottom of the #1 seed crystal chamber (2-3); a water inlet of the water inlet device (2-1) is connected with one end of a water inlet main pipe (2-6) through a water inlet interface (2-5), the other end of the water inlet main pipe (2-6) is connected with a crystal seed discharge port of the crystallization reactor through a water inlet valve (2-7), and a #1 crystal seed discharge interface (2-4) is connected with a #1 particle conveying device (2-9);
the side surface of the bottom of the #2 seed crystal chamber (3-2) is provided with a #2 seed crystal discharging interface (3-3), and the bottom of the clear water chamber 4-1 is provided with a bottom interface (4-2).
2. The high-efficiency seed crystal classifying device according to claim 1, wherein #1 seed crystal chamber (2-3) is provided with #1 sight glass (2-10) and #1 manhole (2-11) at its side.
3. The high-efficiency seed crystal classifying device according to claim 1, wherein a #2 lens (3-5) and a #2 manhole (3-6) are provided at the side of the #2 seed crystal chamber (3-2).
4. The high-efficiency seed crystal grading and separating device according to claim 1, further comprising a top back-flushing drain valve (1-6), wherein the top main pipe (1-4) is connected with one end of the top back-flushing drain valve (1-6), and the other end of the top back-flushing drain valve (1-6) is connected with an external wastewater recovery water tank.
5. The high-efficiency seed crystal grading and separating device according to claim 4, wherein the top back-flushing drain valve (1-6) is connected with an external wastewater recovery water tank through a back-flushing drain pipe (1-7).
6. The high-efficiency seed crystal grading device according to claim 1, further comprising a back-flushing water inlet valve (2-8); the water inlet main pipe (2-6) is connected with one end of the back flush water inlet valve (2-8), and the other end of the back flush water inlet valve (2-8) is connected with the water inlet main pipe of the crystallization reactor.
7. The high-efficiency seed crystal grading device according to claim 1, further comprising a #2 particle conveying device (3-4); the #2 seed crystal discharge interface (3-3) is connected with the #2 particle conveying device (3-4).
8. The high-efficiency seed crystal fractionation device according to claim 1, further comprising a bottom drain valve (4-3); the bottom connector (4-2) is connected with a wastewater recovery pool through a bottom drainage valve (4-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111425973.6A CN114130637B (en) | 2021-11-26 | 2021-11-26 | Seed crystal high-efficient fractionation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111425973.6A CN114130637B (en) | 2021-11-26 | 2021-11-26 | Seed crystal high-efficient fractionation device |
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| Publication Number | Publication Date |
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| CN114130637A true CN114130637A (en) | 2022-03-04 |
| CN114130637B CN114130637B (en) | 2023-05-12 |
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| CN202111425973.6A Active CN114130637B (en) | 2021-11-26 | 2021-11-26 | Seed crystal high-efficient fractionation device |
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