CN111359252A - Chemical two-stage crystallizer - Google Patents
Chemical two-stage crystallizer Download PDFInfo
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- CN111359252A CN111359252A CN202010148276.XA CN202010148276A CN111359252A CN 111359252 A CN111359252 A CN 111359252A CN 202010148276 A CN202010148276 A CN 202010148276A CN 111359252 A CN111359252 A CN 111359252A
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- crystallization
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0004—Crystallisation cooling by heat exchange
- B01D9/0013—Crystallisation cooling by heat exchange by indirect heat exchange
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/005—Selection of auxiliary, e.g. for control of crystallisation nuclei, of crystal growth, of adherence to walls; Arrangements for introduction thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0063—Control or regulation
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- 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 Kinetics & Catalysis (AREA)
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention relates to the field of crystallizers, in particular to a chemical two-stage crystallizer which comprises a frame, a crystallizing tank, a first cooling mechanism, a first crystallizing mechanism, a second cooling mechanism, a second crystallizing mechanism and a driving mechanism, wherein the frame comprises a base, a supporting frame and a top seat, the base is fixedly provided with the top seat through the supporting frame, the crystallizing tank is fixedly arranged on the base in the frame, the first cooling mechanism is arranged in the crystallizing tank, the first crystallizing mechanism is arranged in the crystallizing tank and positioned in an inner ring of the first cooling mechanism, the second cooling mechanism is arranged in the crystallizing tank and positioned in an inner ring of the first crystallizing mechanism, and the second crystallizing mechanism is arranged in the crystallizing tank and positioned in the circle center of the crystallizing tank. The chemical two-stage crystallizer provided by the invention has the advantage of accelerating the crystallization rate.
Description
Technical Field
The invention relates to the field of crystallizers, in particular to a chemical two-stage crystallizer.
Background
The crystallizer is one of the production facilities commonly used in the chemical industry field, and it is mainly after the material mixing reaction, through the crystallization equipment that needs refrigerated water or chilled water rapid cooling in the intermediate layer, its key link lies in the size of intermediate layer area, the structural style and the material export form of agitator, the high accuracy polishing in the jar body to and jar internal washing does not have the requirement at dead angle and satisfies the technology service condition.
However, when the traditional chemical two-stage crystallizing tank is used for crystallizing chemical reagents, the heat exchange efficiency of the traditional chemical two-stage crystallizing tank and the chemical reagents is low, the crystallization efficiency is low, and meanwhile, the air tightness is poor, so that the crystals crystallized from the chemical reagents are impure. Therefore, it is necessary to provide a chemical two-stage crystallizer to solve the above technical problems.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a chemical two-stage crystallizer.
The technical scheme adopted by the invention for solving the technical problems is as follows: a chemical two-stage crystallizer comprises a frame, a crystallizing tank, a first cooling mechanism, a first crystallizing mechanism, a second cooling mechanism, a second crystallizing mechanism and a driving mechanism, wherein the frame comprises a base, a supporting frame and a top seat, and the top seat is fixedly arranged on the base through the supporting frame; the crystallization tank is fixedly arranged on a base in the frame; the first cooling mechanism is arranged in the crystallizing tank; the first crystallizing mechanism is arranged in the crystallizing tank and is positioned in the inner ring of the first cooling mechanism; the second cooling mechanism is arranged in the crystallizing tank and is connected with the first crystallizing mechanism inner ring; the second crystallization mechanism is arranged in the crystallization tank and is positioned at the circle center of the crystallization tank, the second crystallization mechanism comprises a second crystallization chamber, a rotating rod, stirring blades, a discharge valve and a floating plate, the second crystallization chamber is arranged at the circle center of the crystallization tank, the rotating rod is arranged in the second crystallization chamber, one end of the rotating rod penetrates through the top wall of the crystallization tank and is rotatably connected with the bottom wall of the top seat through a bearing, a plurality of uniformly distributed stirring blades are fixedly arranged on the rotating rod in the second crystallization chamber, the floating plate in sliding connection is sleeved on the rotating rod and is positioned above the stirring blades, and the discharge valve for discharging materials is fixedly arranged at the bottom of the second crystallization chamber; the driving mechanism for driving the rotating rod to rotate is installed on the frame.
Preferably, first cooling body includes first cooling chamber, rotation arc board and feed liquor valve, first cooling chamber is seted up in the crystallizer and is in outmost, install the rotation arc board that a plurality of staggered distribution and rotate with first cooling intracavity wall on the lateral wall in first cooling chamber, install feed liquor valve and flowing back valve on the crystallizer.
Preferably, the first crystallization mechanism comprises a first crystallization chamber, a spray head and an electric control valve, the first crystallization chamber is arranged in the crystallization tank and is adjacent to the first cooling chamber, the spray head is fixedly arranged at the top of the first cooling chamber, a liquid outlet of the first cooling chamber is communicated with the second crystallization chamber through a guide pipe, and the electric control valve is fixedly arranged on the guide pipe.
Preferably, the second cooling mechanism includes first spherical chamber, the spherical chamber of second and flowing liquid valve, and a plurality of specification is the same first spherical chamber and the spherical chamber of second crisscross setting and intercommunication each other constitute the second cooling chamber, and the second cooling chamber sets up between first crystallization chamber and second crystallization chamber, two flowing liquid valves are installed with second cooling chamber department of correspondence to the crystallizer, and one flowing liquid valve is used for the feed liquor, and another flowing liquid valve is used for the flowing back.
Preferably, actuating mechanism includes that driving motor, first rotation wheel, second rotate wheel and belt, driving motor fixed mounting is on the lateral wall of support frame, and driving motor's output fixed mounting has first rotation wheel, the second rotates the fixed cup joint of wheel on the dwang, and the second rotates the wheel and is connected with first rotation wheel transmission through the belt.
Preferably, a nitrogen box is fixedly mounted on the top seat in the frame, the nitrogen box is communicated with the spray head through a guide pipe, and a control panel is fixedly mounted on the nitrogen box.
Compared with the related technology, the chemical two-stage crystallizer provided by the invention has the following beneficial effects:
(1) according to the invention, the plurality of rotating arc plates are arranged in the first cooling cavity, so that the stroke of cooling water in the first cooling cavity is increased, the chemical reagents are rapidly cooled, the heat exchange efficiency is greatly improved, and the chemical reagents are subjected to heat exchange crystallization;
(2) when the second crystallization chamber is crystallized, the driving motor is started to drive the first rotating wheel to rotate, and the second rotating wheel is in transmission connection with the first rotating wheel through the belt, so that the rotating rod drives the stirring blades to stir the chemical reagents in the second crystallization chamber, and the crystallization rate of the chemical reagents is accelerated.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of a chemical two-stage crystallizer according to the present invention;
fig. 2 is a schematic structural view of the outer part shown in fig. 1.
Reference numbers in the figures: 1. the device comprises a frame, 11, a base, 12, a support frame, 13, a top seat, 2, a crystallizing tank, 3, a first cooling mechanism, 31, a first cooling cavity, 32, a rotating arc plate, 33, a liquid inlet valve, 4, a first crystallizing mechanism, 41, a first crystallizing chamber, 42, a spray head, 43, an electric control valve, 5, a second cooling mechanism, 51, a first spherical cavity, 52, a second spherical cavity, 53, a liquid outlet valve, 6, a second crystallizing mechanism, 61, a second crystallizing chamber, 62, a rotating rod, 63, a stirring blade, 64, a discharge valve, 65, a floating plate, 7, a driving mechanism, 71, a driving motor, 72, a first rotating wheel, 73, a second rotating wheel, 74, a belt, 8, a nitrogen box, 9 and a control panel.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Referring to fig. 1 and fig. 2 in combination, a chemical two-stage crystallizer includes a frame 1, a crystallizer 2, a first cooling mechanism 3, a first crystallization mechanism 4, a second cooling mechanism 5, a second crystallization mechanism 6 and a driving mechanism 7, where the frame 1 includes a base 11, a support frame 12 and a top seat 13, the base 11 is fixedly installed with the top seat 13 through the support frame 12, the crystallizer 2 is fixedly installed on the base 11 in the frame 1, and the first cooling mechanism 3 is disposed in the crystallizer 2; the first cooling mechanism 3 comprises a first cooling cavity 31, a rotating arc plate 32 and a liquid inlet valve 33, the first cooling cavity 31 is arranged in the crystallizing tank 2 and is positioned on the outermost layer, a plurality of rotating arc plates 32 which are distributed in a staggered manner and are rotatably connected with the inner wall of the first cooling cavity 31 are arranged on the side wall of the first cooling cavity 31, and the crystallizing tank 2 is provided with the liquid inlet valve 33 and the liquid outlet valve; the first crystallizing mechanism 4 is arranged in the crystallizing tank 2 and is positioned in the inner ring of the first cooling mechanism 3; the first crystallization mechanism 4 comprises a first crystallization chamber 41, a spray head 42 and an electric control valve 43, the first crystallization chamber 41 is arranged in the crystallization tank 2 and is adjacent to the first cooling cavity 31, the spray head 42 is fixedly installed at the top of the first cooling cavity 31, a liquid outlet of the first cooling cavity 31 is communicated with the second crystallization chamber 61 through a conduit, the electric control valve 43 is fixedly installed on the conduit, and a valve for feeding liquid into the first crystallization chamber 41 is installed on the crystallization tank 2; the second cooling mechanism 5 is arranged in the crystallization tank 2 and is connected with the inner ring of the first crystallization mechanism 4, the second cooling mechanism 5 comprises a first spherical cavity 51, a second spherical cavity 52 and a flow valve 53, the first spherical cavity 51 and the second spherical cavity 52 with a plurality of same specifications are arranged in a staggered manner and are communicated with each other to form a second cooling chamber, the second cooling chamber is arranged between the first crystallization chamber 41 and the second crystallization chamber 61, two flow valves 53 are arranged at the corresponding positions of the crystallization tank 2 and the second cooling chamber, one flow valve 53 is used for feeding liquid, the other flow valve 53 is used for discharging liquid, the second crystallization mechanism 6 is arranged in the crystallization tank 2 and is positioned at the center of the crystallization tank 2, the second crystallization mechanism 6 comprises a second crystallization chamber 61, a second stirring blade 63, a rotating rod valve 64 and a floating plate 65, the second crystallization chamber 61 is opened at the center of the crystallization tank 2, and install dwang 62 in the second crystallization chamber 61, the one end of dwang 62 runs through the roof of crystallizer 2 and is connected with 13 diapalls of footstock through the bearing and rotates, and is in fixed mounting has a plurality of evenly distributed's stirring leaf 63 on the dwang 62 in the second crystallization chamber 61, the cover is equipped with sliding connection's kickboard 65 on the dwang 62, and kickboard 65 is in stirring leaf 63 top, the bottom fixed mounting of second crystallization chamber 61 has the row material valve 64 that is used for arranging the material.
The nitrogen box 8 is fixedly mounted on the top seat 13 in the frame 1, the nitrogen box 8 is communicated with the spray head 42 through a guide pipe, the control panel 9 is fixedly mounted on the nitrogen box 8, a single chip microcomputer in the control panel 9 adopts AT89C52, a valve which is mounted on the crystallization tank 2 and used for feeding liquid into the first crystallization chamber 41 is opened, chemical reagents are fed into the first crystallization chamber 41, cooling water is fed into the first cooling chamber 31 from the liquid feeding valve 33, and the plurality of rotating arc plates 32 are mounted in the first cooling chamber 31, so that the stroke of the cooling water in the first cooling chamber 31 is increased, the chemical reagents are rapidly cooled, the heat exchange efficiency is greatly improved, and the chemical reagents are crystallized through heat exchange; after the first crystallization is finished, the electric control valve 43 is opened to enable chemical reagents and crystals in the first crystallization chamber 41 to enter the second crystallization chamber 61, meanwhile, the spray head 42 in the first crystallization chamber 41 is opened to enable nitrogen to completely push the chemical reagents in the first crystallization chamber 41 into the second crystallization chamber 61, the electric control valve 43 is closed after the crystallization is finished, at the moment, cooling water is injected into the second cooling chamber through the liquid flow valve 53, and the second cooling chamber is formed by the fact that the first spherical cavities 51 and the second spherical cavities 52 of a plurality of specifications are the same in a staggered mode and communicated with each other, and therefore the crystallization quality and the crystallization efficiency are greatly improved.
Referring to fig. 1 for the drive dwang 62 is rotatory actuating mechanism 7 is installed on frame 1, actuating mechanism 7 includes driving motor 71, first runner 72, second and rotates wheel 73 and belt 74, driving motor 71 fixed mounting is on the lateral wall of support frame 12, and driving motor 71's output fixed mounting has first runner 72, the fixed cover of second runner 73 is connected on dwang 62, and the second rotates wheel 73 and is connected with first runner 72 transmission through belt 74, and when second crystallization chamber 61 crystallization, it is rotatory to open driving motor 71 and drive first runner 72, because second rotates wheel 73 and is connected with first runner 72 transmission through belt 74, therefore dwang 62 drives stirring leaf 63 and stirs the chemical industry reagent in the second crystallization chamber 61 to chemical industry reagent's rate of crystallization has been accelerated.
The working principle of the chemical two-stage crystallizer provided by the invention is as follows: when chemical reagents are crystallized, a valve which is arranged on the crystallizing tank 2 and used for feeding liquid into the first crystallizing chamber 41 is opened, the chemical reagents are injected into the first crystallizing chamber 41, and meanwhile, cooling water is injected into the first cooling cavity 31 from the liquid feeding valve 33, and the first cooling cavity 31 is internally provided with a plurality of rotating arc plates 32, so that the stroke of the cooling water in the first cooling cavity 31 is increased, the chemical reagents are rapidly cooled, the heat exchange efficiency is greatly improved, and the chemical reagents are subjected to heat exchange crystallization; after the first crystallization is finished, the electric control valve 43 is opened to enable the chemical reagent and the crystals in the first crystallization chamber 41 to enter the second crystallization chamber 61, the spray head 42 in the first crystallization chamber 41 is opened to enable the nitrogen to completely push the chemical reagent in the first crystallization chamber 41 into the second crystallization chamber 61, the air tightness of the second crystallization chamber 61 is further enhanced by matching with the nitrogen in the first crystallization chamber 41 when the second crystallization chamber 61 is crystallized, the electric control valve 43 is closed after the crystallization is finished, cooling water is injected into the second cooling chamber through the liquid flow valve 53, as the second cooling chamber is formed by alternately arranging and mutually communicating a plurality of first spherical cavities 51 and second spherical cavities 52 with the same specification, the crystallization quality and the crystallization efficiency are greatly improved, when the second crystallization chamber 61 is crystallized, the driving motor 71 is opened to drive the first rotating wheel 72 to rotate, and as the second rotating wheel 73 is in transmission connection with the first rotating wheel 72 through the belt 74, therefore, the rotating rod 62 drives the stirring blade 63 to stir the chemical reagent in the second crystallization chamber 61, so as to accelerate the crystallization rate of the chemical reagent.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A chemical two-stage crystallizer is characterized by comprising a frame (1), a crystallizing tank (2), a first cooling mechanism (3), a first crystallizing mechanism (4), a second cooling mechanism (5), a second crystallizing mechanism (6) and a driving mechanism (7), wherein the frame (1) comprises a base (11), a supporting frame (12) and a top seat (13), and the top seat (13) is fixedly installed on the base (11) through the supporting frame (12); the crystallization tank (2) is fixedly arranged on a base (11) in the frame (1); the first cooling mechanism (3) is arranged in the crystallizing tank (2); the first crystallizing mechanism (4) is arranged in the crystallizing tank (2) and is positioned in the inner ring of the first cooling mechanism (3); the second cooling mechanism (5) is arranged in the crystallizing tank (2) and is connected with the inner ring of the first crystallizing mechanism (4); the second crystallization mechanism (6) is arranged in the crystallization tank (2) and is positioned at the center of the crystallization tank (2), the second crystallization mechanism (6) comprises a second crystallization chamber (61), a rotating rod (62), a stirring blade (63), a discharge valve (64) and a floating plate (65), the second crystallization chamber (61) is arranged at the center of the crystallization tank (2), a rotating rod (62) is arranged in the second crystallization chamber (61), one end of the rotating rod (62) penetrates through the top wall of the crystallization tank (2) and is rotatably connected with the bottom wall of the top seat (13) through a bearing, a plurality of uniformly distributed stirring blades (63) are fixedly arranged on a rotating rod (62) positioned in the second crystallization chamber (61), a floating plate (65) in sliding connection is sleeved on the rotating rod (62), the floating plate (65) is positioned above the stirring blade (63), and the bottom of the second crystallization chamber (61) is fixedly provided with a discharge valve (64) for discharging; the driving mechanism (7) for driving the rotating rod (62) to rotate is arranged on the frame (1).
2. The chemical two-stage crystallizer according to claim 1, wherein the first cooling mechanism (3) comprises a first cooling cavity (31), a rotating arc plate (32) and a liquid inlet valve (33), the first cooling cavity (31) is arranged in the crystallizer (2) and is positioned at the outermost layer, a plurality of rotating arc plates (32) which are distributed in a staggered manner and are rotatably connected with the inner wall of the first cooling cavity (31) are arranged on the side wall of the first cooling cavity (31), and the liquid inlet valve (33) and the liquid outlet valve are arranged on the crystallizer (2).
3. The chemical two-stage crystallizer of claim 1, wherein the first crystallization mechanism (4) comprises a first crystallization chamber (41), a spray head (42) and an electric control valve (43), the first crystallization chamber (41) is arranged in the crystallization tank (2) and is adjacent to the first cooling chamber (31), the spray head (42) is fixedly arranged at the top of the first cooling chamber (31), the liquid outlet of the first cooling chamber (31) is communicated with the second crystallization chamber (61) through a conduit, and the electric control valve (43) is fixedly arranged on the conduit.
4. The chemical two-stage crystallizer according to claim 1, wherein the second cooling mechanism (5) comprises a first spherical cavity (51), a second spherical cavity (52) and a liquid flowing valve (53), a plurality of first spherical cavities (51) and second spherical cavities (52) with the same specification are arranged in a staggered mode and are communicated with each other to form a second cooling chamber, the second cooling chamber is arranged between the first crystallization chamber (41) and the second crystallization chamber (61), two liquid flowing valves (53) are installed at the positions, corresponding to the second cooling chamber, of the crystallization tank (2), one liquid flowing valve (53) is used for feeding liquid, and the other liquid flowing valve (53) is used for discharging liquid.
5. The chemical two-stage crystallizer of claim 1, wherein the driving mechanism (7) comprises a driving motor (71), a first rotating wheel (72), a second rotating wheel (73) and a belt (74), the driving motor (71) is fixedly installed on the side wall of the support frame (12), the first rotating wheel (72) is fixedly installed at the output end of the driving motor (71), the second rotating wheel (73) is fixedly sleeved on the rotating rod (62), and the second rotating wheel (73) is in transmission connection with the first rotating wheel (72) through the belt (74).
6. The chemical two-stage crystallizer according to claim 1, characterized in that a nitrogen box (8) is fixedly installed on a top seat (13) in the frame (1), the nitrogen box (8) is communicated with the spray head (42) through a guide pipe, and a control panel (9) is fixedly installed on the nitrogen box (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010148276.XA CN111359252A (en) | 2020-03-05 | 2020-03-05 | Chemical two-stage crystallizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010148276.XA CN111359252A (en) | 2020-03-05 | 2020-03-05 | Chemical two-stage crystallizer |
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| Publication Number | Publication Date |
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| CN111359252A true CN111359252A (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010148276.XA Withdrawn CN111359252A (en) | 2020-03-05 | 2020-03-05 | Chemical two-stage crystallizer |
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| CN (1) | CN111359252A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113828002A (en) * | 2021-09-17 | 2021-12-24 | 上海中器环保科技有限公司 | Refining method of crude biodiesel |
-
2020
- 2020-03-05 CN CN202010148276.XA patent/CN111359252A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113828002A (en) * | 2021-09-17 | 2021-12-24 | 上海中器环保科技有限公司 | Refining method of crude biodiesel |
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Application publication date: 20200703 |