CN212941536U - Static crystallizer - Google Patents
Static crystallizer Download PDFInfo
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- CN212941536U CN212941536U CN202021104287.XU CN202021104287U CN212941536U CN 212941536 U CN212941536 U CN 212941536U CN 202021104287 U CN202021104287 U CN 202021104287U CN 212941536 U CN212941536 U CN 212941536U
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- crystallizer
- stirring
- cooling
- shaft
- liquid outlet
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- 230000003068 static effect Effects 0.000 title claims abstract description 21
- 238000003756 stirring Methods 0.000 claims abstract description 66
- 239000007788 liquid Substances 0.000 claims abstract description 59
- 238000001816 cooling Methods 0.000 claims abstract description 52
- 239000003507 refrigerant Substances 0.000 claims abstract description 39
- 238000002425 crystallisation Methods 0.000 claims abstract description 7
- 230000008025 crystallization Effects 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims description 12
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 3
- 239000013078 crystal Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model discloses a static crystallizer, which comprises a crystallizer body, wherein a stirring paddle is arranged in the crystallizer body, the stirring paddle comprises a stirring shaft coaxial with the crystallizer and a stirring blade arranged on the stirring shaft, and a circulating refrigerant liquid inlet pipe and a circulating refrigerant liquid outlet pipe are arranged on the crystallizer body; a plurality of annular cooling inner containers are sequentially arranged around the stirring paddle from inside to outside at intervals, the cooling inner containers are coaxial with the crystallizer body, and each cooling inner container is provided with a liquid inlet connected with a circulating refrigerant liquid inlet pipe and a liquid outlet connected with a circulating refrigerant liquid outlet pipe; and the inner wall of the crystallizer body and the outer wall of the cooling liner form heat exchange surfaces respectively. The coaxial plurality of heat transfer surfaces are arranged at intervals, so that the distance between the heat transfer surfaces is shortened, heat can be well transferred in the static crystallization process, and the arrangement of the stirring paddle is not influenced.
Description
Technical Field
The utility model belongs to the technical field of the crystallizer, concretely relates to static crystallizer.
Background
The crystallizer commonly used at present is a continuous crystallizer with a stirring device. The crystallizer needs to be stirred during cooling crystallization, and has the defects that (1) power is consumed by stirring, and (2) stirring can break crystal grains, so that the crystal grains are too small in size and difficult to filter. But the heat-transfer effect is poor under the condition of not disturbing liquid, and the heat-transfer effect is worse after crystals are separated out and attached on the heat-transfer surface. Chinese patent document (application No. 201020167786.3) discloses a static crystallizer in which a cooling grid tube is additionally provided in the crystallizer to increase the heat exchange area. However, the mode completely avoids the use of a stirring paddle, and is not beneficial to uniformly stirring the materials after the crystallization is finished.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a static crystallizer sets up a plurality of annular cooling inner bags of circle through coaxial and interval in the crystallizer, and then realizes heat transfer area's increase, and this kind of setting mode does not respond to agitating unit's setting.
In order to realize the purpose, the utility model discloses a technical scheme is: a static crystallizer comprises a crystallizer body, wherein a stirring paddle is arranged in the crystallizer body, the stirring paddle comprises a stirring shaft coaxial with the crystallizer and a stirring blade arranged on the stirring shaft, and a circulating refrigerant inlet pipe and a circulating refrigerant outlet pipe are arranged on the crystallizer body; a plurality of annular cooling inner containers are sequentially arranged around the stirring paddle from inside to outside at intervals, the cooling inner containers are coaxial with the crystallizer body, and each cooling inner container is provided with a liquid inlet connected with a circulating refrigerant liquid inlet pipe and a liquid outlet connected with a circulating refrigerant liquid outlet pipe; and the inner wall of the crystallizer body and the outer wall of the cooling liner form heat exchange surfaces respectively.
In order to make the liquid level in the cooling inner bag can rise to the top of cooling inner bag, guarantee that the cooling inner bag fills with water, reinforcing heat transfer effect, it is further, inlet and liquid outlet all set up in the bottom of cooling inner bag, are equipped with the overflow pipe in the cooling inner bag, and the one end and the liquid outlet of overflow pipe are connected, and the other end of overflow pipe upwards extends to the roof that is close to the cooling inner bag.
In order to be convenient to install and use, the refrigerant circulating device further comprises liquid inlet branch pipes which correspond to the liquid inlets one by one, and the liquid inlet branch pipes are connected to the circulating refrigerant liquid inlet pipe in parallel; the liquid outlet branch pipes are in one-to-one correspondence with the liquid outlets and connected to the circulating refrigerant liquid outlet pipe in parallel.
Furthermore, a scraper is arranged between every two adjacent heat exchange surfaces and connected with the stirring shaft, and the scraper can rotate around the stirring shaft along with the stirring shaft synchronously and is used for scraping crystal substances on the heat exchange surfaces. The crystal on the heat exchange surface is scraped by the scraper, so that the heat exchange effect is prevented from being influenced by the attachment of the crystal. More closely furtherly, still include the mounting panel, the mounting panel is located the top of cooling inner bag, the scraper blade passes through the mounting panel and is connected with the agitator shaft.
Furthermore, the stirring blades comprise a first stirring blade arranged in the middle of the stirring shaft and a second stirring blade arranged at the bottom of the stirring shaft, the first stirring blade is an axial flow propulsion type stirring blade, the end part of the second stirring blade far away from the stirring extends to two sides to be close to the inner wall of the crystallizer, and the cooling inner container and the scraper blade are both positioned above the second stirring blade. After the static crystallization is finished, the materials are conveniently and rapidly mixed uniformly.
Furthermore, a supporting plate is arranged in the crystallizer body and is positioned at the bottom of the cooling liner and used for supporting the cooling liner.
Furthermore, the outer part of the crystallizer body is provided with a jacket for introducing a circulating refrigerant, so that the inner wall of the crystallizer body can be cooled better.
Compared with the prior art, the utility model discloses the technological effect who gains does: the coaxial plurality of heat transfer surfaces are arranged at intervals, so that the distance between the heat transfer surfaces is shortened, heat can be well transferred in the static crystallization process, and the arrangement of the stirring paddle is not influenced.
Drawings
Fig. 1 is a schematic structural diagram of a static crystallizer in an embodiment of the present invention.
The reference numbers in the figures are: 1. the crystallizer comprises a crystallizer body, 2 stirring shafts, 3 circulating refrigerant inlet pipes, 4 circulating refrigerant outlet pipes, 5 cooling inner containers, 6 liquid inlets, 7 liquid outlets, 8 overflow pipes, 9 liquid inlet branch pipes, 10 liquid outlet branch pipes, 11 scraping plates, 12 mounting plates, 13 first stirring blades, 14 second stirring blades, 15 support plates, 16 jackets and 17 honeycomb tubes.
Detailed Description
The utility model discloses not confine the following embodiment to, general technical personnel in this field can adopt other multiple embodiment to implement according to the utility model discloses a, perhaps all adopt the utility model discloses a design structure and thinking do simple change or change, all fall into the utility model discloses a protection scope. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The specific embodiment of the utility model is shown in fig. 1, a static crystallizer, which comprises a crystallizer body 1, wherein a stirring paddle is arranged in the crystallizer body 1, the stirring paddle comprises a stirring shaft 2 coaxial with the crystallizer and stirring blades arranged on the stirring shaft 2, and the crystallizer body 1 is provided with a circulating refrigerant inlet pipe 3 and a circulating refrigerant outlet pipe 4; a plurality of annular cooling inner containers 5 are sequentially arranged around the stirring paddle from inside to outside at intervals, the cooling inner containers 5 are coaxial with the crystallizer body 1, and the cooling inner containers 5 are provided with a liquid inlet 6 connected with a circulating refrigerant liquid inlet pipe 3 and a liquid outlet 7 connected with a circulating refrigerant liquid outlet pipe 4; the inner wall of the crystallizer body 1 and the outer wall of the cooling liner 5 form heat exchange surfaces respectively.
Because of the upper portion of (mixing) shaft has set up the mounting panel and has installed the scraper blade on the mounting panel, consequently in order to guarantee (mixing) shaft normal rotation, also can rise to the top of cooling inner bag for the liquid level that makes in the cooling inner bag simultaneously, guarantee that the cooling inner bag is filled with water, the reinforcing heat transfer effect, inlet 6 and liquid outlet 7 all set up the bottom at cooling inner bag 5, be equipped with overflow pipe 8 in the cooling inner bag 5, overflow pipe 8's lower extreme and liquid outlet 7 are connected, overflow pipe 8's upper end upwards extends to and is close the roof of cooling inner bag 5 and stabilize in order to guarantee overflow pipe 8, overflow pipe 8's upper end can with the inside wall welded. In order to be convenient to install and use, the refrigerant circulating device further comprises liquid inlet branch pipes 9 which correspond to the liquid inlets 6 one by one, and the liquid inlet branch pipes 9 are connected to the circulating refrigerant liquid inlet pipe 3 in parallel; the refrigerant circulating cooling device also comprises liquid outlet branch pipes 10 which correspond to the liquid outlets 7 one by one, and the liquid outlet branch pipes 10 are connected to the circulating refrigerant outlet pipe 4 in parallel. The circulating refrigerant enters the cooling liner 5 through the circulating refrigerant liquid inlet pipe 3, the liquid level of the refrigerant in the cooling liner 5 gradually rises, and when the refrigerant reaches the upper end of the overflow pipe 8, the refrigerant enters the overflow pipe 8, flows through the liquid outlet 7 through the overflow pipe 8 and flows out of the circulating refrigerant liquid outlet pipe 4.
Be equipped with scraper blade 11 between two adjacent heat transfer surfaces, scraper blade 11 is connected with (mixing) shaft 2, and scraper blade 11 can rotate along with (mixing) shaft 2 synchronization around (mixing) shaft 2 for strike off crystal on the heat transfer surface. The crystal on the heat exchange surface is scraped by the scraper 11, so that the heat exchange effect is prevented from being influenced by the attachment of the crystal. Specifically, still include mounting panel 12, the mounting panel 12 of this embodiment comprises two strip shaped plates that the symmetry was installed on (mixing) shaft 2, mounting panel 12 is located the top of cooling inner bag 5, install two scraper blades 11 between per two adjacent heat-transfer surfaces, and two scraper blades 11 install respectively on two strip shaped plates 11 upper ends through nut and bolt of mutually supporting, or through the mounting screw on the strip shaped plate, scraper blade 11 is used for striking off the crystal that is located on the heat-transfer surface of inboard on one of them strip shaped plate, scraper blade 11 is used for striking off the crystal that is located on the heat-transfer surface of outside on another strip shaped plate. The scraper can be further provided as a plow-type stirring paddle.
The stirring blades comprise a first stirring blade 13 arranged in the middle of the stirring shaft 2 and a second stirring blade 14 arranged at the bottom of the stirring shaft 2, the first stirring blade 13 is an axial flow propelling type stirring blade, the end part of the second stirring blade 14 far away from the stirring extends to two sides to be close to the inner wall of the crystallizer, and the cooling liner 5 and the scraper blade 11 are both positioned above the second stirring blade 14. After the static crystallization is finished, the materials are conveniently and rapidly mixed uniformly.
A supporting plate 15 is further arranged in the crystallizer body 1, the supporting plate 15 is positioned at the bottom of the cooling liner 5 and used for supporting the cooling liner 5, and the supporting plate 15 is installed on the inner wall of the crystallizer. The outer part of the crystallizer body 1 is provided with a jacket 16 (suitable for the jacket 16 setting method of a reaction kettle or a crystallizer which is commonly used in the field) for introducing a circulating refrigerant (the refrigerant can be water, a conventional cooling medium in the field, or other cooling media with the temperature lower than the material temperature), so that the inner wall of the crystallizer body 1 can be cooled better.
The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the concept of the present invention within the technical scope disclosed in the present invention.
Claims (8)
1. A static crystallizer, characterized by: the crystallizer comprises a crystallizer body (1), wherein a stirring paddle is arranged in the crystallizer body (1), the stirring paddle comprises a stirring shaft (2) coaxial with the crystallizer body (1) and a stirring blade arranged on the stirring shaft (2), and a circulating refrigerant liquid inlet pipe (3) and a circulating refrigerant liquid outlet pipe (4) are arranged on the crystallizer body (1); a plurality of annular cooling inner containers (5) are sequentially arranged from inside to outside at intervals around the stirring paddle, the cooling inner containers (5) are coaxial with the crystallizer body (1), and a liquid inlet (6) used for being connected with a circulating refrigerant liquid inlet pipe (3) and a liquid outlet (7) used for being connected with a circulating refrigerant liquid outlet pipe (4) are arranged on each cooling inner container (5); the inner wall of the crystallizer body (1) and the outer wall of the cooling liner (5) form heat exchange surfaces respectively.
2. The static crystallizer of claim 1, wherein: liquid inlet (6) and liquid outlet (7) all set up in the bottom of cooling inner bag (5), are equipped with overflow pipe (8) in cooling inner bag (5), and the one end and the liquid outlet (7) of overflow pipe (8) are connected, and the other end of overflow pipe (8) upwards extends to and is close the roof of cooling inner bag (5).
3. The static crystallizer of claim 1, wherein: the refrigerant circulating system also comprises liquid inlet branch pipes (9) which correspond to the liquid inlets (6) one by one, wherein the liquid inlet branch pipes (9) are connected to the circulating refrigerant liquid inlet pipe (3) in parallel; the refrigerant circulating cooling device also comprises liquid outlet branch pipes (10) which correspond to the liquid outlets (7) one by one, and the liquid outlet branch pipes (10) are connected to the refrigerant circulating outlet pipe (4) in parallel.
4. The static crystallizer of claim 1, wherein: adjacent two be equipped with scraper blade (11) between the heat transfer surface, scraper blade (11) are connected with (mixing) shaft (2), and scraper blade (11) can rotate along with (mixing) shaft (2) are synchronous around (mixing) shaft (2), are used for striking off the crystallization on the heat transfer surface.
5. The static crystallizer of claim 4, wherein: still include mounting panel (12), mounting panel (12) are located the top of cooling inner bag (5), scraper blade (11) are connected with (mixing) shaft (2) through mounting panel (12).
6. The static crystallizer of claim 4, wherein: the stirring leaf is including setting up first stirring leaf (13) in (mixing) shaft (2) middle part and setting up second stirring leaf (14) in (mixing) shaft (2) bottom, and first stirring leaf (13) are axial compressor propulsion type stirring leaf, and tip that stirring was kept away from to both sides in second stirring leaf (14) extends to the inner wall that is close crystallizer body (1), cooling inner bag (5) and scraper blade (11) all are located the top of second stirring leaf (14).
7. The static crystallizer of claim 1, wherein: the crystallizer body (1) is also internally provided with a supporting plate (15), and the supporting plate (15) is positioned at the bottom of the cooling liner (5) and used for supporting the cooling liner (5).
8. The static crystallizer of claim 1, wherein: the crystallizer body (1) is externally provided with a jacket (16) for introducing a circulating refrigerant to cool the inner wall of the crystallizer body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021104287.XU CN212941536U (en) | 2020-06-15 | 2020-06-15 | Static crystallizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021104287.XU CN212941536U (en) | 2020-06-15 | 2020-06-15 | Static crystallizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212941536U true CN212941536U (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021104287.XU Active CN212941536U (en) | 2020-06-15 | 2020-06-15 | Static crystallizer |
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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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2020
- 2020-06-15 CN CN202021104287.XU patent/CN212941536U/en active Active
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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Address after: 213000, No. 16 Donggang Second Road, Weicun Street, Xinbei District, Changzhou City, Jiangsu Province Patentee after: Changzhou Zhongyuan Technology Co.,Ltd. Country or region after: China Address before: 82 Anjia Zhenxing Road, Chunjiang Town, Xinbei District, Changzhou City, Jiangsu Province Patentee before: CHANGZHOU ZHONGYUAN ENGINEERING TECHNOLOGY Co.,Ltd. Country or region before: China |