CN210845343U - Crystallization separation device for material purification - Google Patents
Crystallization separation device for material purification Download PDFInfo
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- CN210845343U CN210845343U CN201920801478.2U CN201920801478U CN210845343U CN 210845343 U CN210845343 U CN 210845343U CN 201920801478 U CN201920801478 U CN 201920801478U CN 210845343 U CN210845343 U CN 210845343U
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Abstract
A crystallization separation device for material purification belongs to the technical field of chemical purification equipment and is used for crystallization separation of material purification. The technical scheme is as follows: the upper end and the lower extreme of crystallizer install upper cover and low head respectively, and the upper cover is equipped with the feed inlet, and the low head is equipped with the discharge gate, has the tube sheet respectively between upper cover, low head and the jar body, and the equipartition has the tube hole on the tube sheet, installs the heat exchange tube in the jar body, and the both ends of many heat exchange tubes are connected with the tube hole on the tube sheet of upper cover and low head respectively, and there is the crystallization medium on the upper portion of jar body and exchanges the upper shed, and there is the crystallization medium in the lower part of. The utility model has the advantages of being simple in structure and convenient in operation, utilizing the difference of two kinds of material melting points to carry out the material purification, need not the solubilizer among the purification process, final product does not need follow-up processes such as solid-liquid separation, washing, drying with the liquid discharge of melting, can reach fine separation effect, greatly reduced the emission of three wastes, be favorable to environmental protection and reduction in production cost.
Description
Technical Field
The utility model relates to a crystallization separation device of material purification in the production of chemical products belongs to chemical purification equipment technical field.
Background
The purification of materials is always the key and difficult content of the research and development of chemical products, impurities need to be removed during the purification of materials, and at present, a plurality of methods for removing the impurities in the materials comprise solvent refining, rectification, extraction and the like. However, the common defects of the existing impurity removal methods are that the waste water, the waste gas and the solid waste are too much, and the environment is easily polluted. With the improvement of awareness of people on environmental protection, enterprises need to invest a large amount of investment for treating wastewater, waste gas and solid waste, and adopt various measures and equipment to carry out harmless treatment on the wastewater, the waste gas and the solid waste, so that the production cost is greatly increased. Therefore, how to reduce three wastes in the separation and purification process of materials and achieve no pollution is an urgent problem to be solved, so that the environmental protection pressure is reduced and the production cost is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a crystallization separation device for material purification, this kind of crystallization separation device can carry out the material purification through the difference of two kinds of material melting points, and easy operation is convenient, and separation purification is effectual, and discharge that can greatly reduced waste water, waste gas and solid waste is favorable to environmental protection and reduction in production cost.
The technical scheme for solving the technical problems is as follows:
a crystallization separation device for material purification comprises a crystallization tank, the heat exchange tube, the middle part of crystallizer is the jar body, upper cover and low head are installed respectively to jar body upper end and lower extreme, the top of upper cover is equipped with the feed inlet, the top of low head is equipped with the discharge gate, there is the tube sheet respectively between the lower extreme of upper cover and low head and the jar body, the equipartition has the tube hole on the tube sheet, the internal heat exchange tube of installing of the jar of crystallizer, the heat exchange tube comprises many tubular metal resonators, many heat exchange tubes are along jar length direction parallel arrangement of body, a plurality of heat exchange tubes are at a jar internal equipartition, the both ends of heat exchange tube are connected with the tube hole on the tube sheet of upper cover and low head respectively, there is crystallization medium exchange upper shed the upper portion of jar body, there is crystallization medium exchange lower mouth the lower part of jar body, crystallization medium.
The crystallization separation device for material purification further comprises a baffle plate, wherein the baffle plate is installed in the tank body of the crystallization tank, the baffle plate is located in the middle of the tank body, the baffle plate is perpendicular to the length direction of the tank body, a plurality of baffle plate pipe holes are uniformly distributed in the baffle plate, a plurality of heat exchange pipes respectively penetrate through the plurality of baffle plate pipe holes, and a gap through which a medium flows is formed between each heat exchange pipe and each baffle plate pipe hole.
In the crystallization separation device for material purification, the upper crystallization medium exchange port at the upper part of the tank body is a cooling medium outlet and a steam inlet, the lower crystallization medium exchange port at the lower part of the tank body is a cooling medium inlet and a steam condensate outlet, and the inlet and outlet of the cooling medium and the inlet and outlet of the steam are alternately performed at the upper crystallization medium exchange port and the lower crystallization medium exchange port.
The utility model has the advantages that:
the molten hot material enters the heat exchange tube through the feed inlet of the upper end enclosure and then flows out of the discharge outlet of the lower end enclosure through the heat exchange tube, the cooling medium enters from the lower crystallizing medium exchange port at the lower part of the tank body and is discharged from the upper crystallizing medium exchange port at the upper part of the tank body after heat exchange with the heat exchange tube, the high-melting-point material in the heat exchange tube is crystallized after heat exchange and temperature reduction and is solidified in the heat exchange tube, and the low-melting-point material flows out of the heat exchange tube and is discharged from the discharge outlet; after the cooling medium is discharged, introducing steam from the upper crystallizing medium exchange port at the upper part of the tank body, heating and melting the solidified material in the heat exchange pipe by the steam, discharging the high-melting-point material from the discharge port through the heat exchange pipe, heating the steam to form condensed water, and discharging the condensed water from the lower crystallizing medium exchange port of the tank body, thereby achieving the crystallization separation in the material purification through the process.
The utility model has the advantages of being simple in structure and convenient in operation, separation and purification is effectual, can carry out the material purification through the difference of two kinds of material melting points, need not the solubilizer among the purification process, has reduced material consumption on the one hand, and on the other hand has avoided the pollution that the solvent caused the product, obtains high-purity product easily, and final product does not need follow-up processing processes such as solid-liquid separation, washing, drying with the liquid discharge of melting, can reach fine separation effect. The utility model discloses greatly reduced waste water, waste gas and solid waste's emission in purification and crystallization process is favorable to environmental protection and reduction in production cost, is worth popularizing and applying.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a sectional view B-B of fig. 1.
The figures are labeled as follows: the device comprises a crystallization tank 1, an upper seal head 2, a tank body 3, a lower seal head 4, a tube plate 5, a feeding hole 6, a discharging hole 7, a heat exchange tube 8, a baffle plate 9, a baffle plate tube hole 10, a crystallization medium exchange upper opening 11 and a crystallization medium exchange lower opening 12.
Detailed Description
The utility model discloses constitute by crystallizer 1, heat exchange tube 8, baffling board 9.
The figure shows that the crystallization tank 1 consists of an upper seal head 2, a tank body 3 and a lower seal head 4, the tank body 3 is arranged in the middle of the crystallization tank 1, and the upper seal head 2 and the lower seal head 4 are respectively arranged at the upper end and the lower end of the crystallization tank 1. Tube plates 5 are respectively arranged between the lower ends of the upper seal head 2 and the lower seal head 4 and the tank body 3, and tube holes are uniformly distributed on the tube plates 5.
The top of the upper head 2 is provided with a feed inlet 6, the top of the lower head 4 is provided with a discharge outlet 7, a heat exchange tube 8 is arranged in the tank body 3 of the crystallizer 1, the heat exchange tube 8 is composed of a plurality of metal tubes, the heat exchange tubes 8 are arranged in parallel along the length direction of the tank body 3, the heat exchange tubes 8 are uniformly distributed in the tank body 3, two ends of the heat exchange tube 8 are respectively connected with tube holes in the tube plates 5 of the upper head 2 and the lower head 4, and molten heat materials enter the heat exchange tube 8 through the feed inlet 6 and flow out from the discharge outlet 7 through the heat exchange tube 8.
The drawing shows that the baffle plate 9 is arranged in the tank body 3 of the crystallization tank 1, the baffle plate 9 is positioned in the middle of the tank body 3, the baffle plate 9 is vertical to the length direction of the tank body 3, a plurality of baffle plate pipe holes 10 are uniformly distributed on the baffle plate 9, a plurality of heat exchange pipes 8 respectively penetrate through the baffle plate pipe holes 10, and a gap for medium to flow through is formed between each heat exchange pipe 8 and each baffle plate pipe hole 10. The baffle plate 9 has the effect that the crystallization medium can only flow through the annular gap between the heat exchange tube 8 and the tube hole of the baffle plate 9 after entering the inner cavity of the tank body 3, and the crystallization medium flows on the outer wall of the heat exchange tube along the annular gap, so that no fluid dead angle exists, the flowing time of the crystallization medium in the tank body 3 is prolonged as much as possible, the heat exchange time is prolonged, and the heat exchange efficiency is improved.
The upper part of the tank body 3 is provided with a crystallization medium exchange upper port 11, the lower part of the tank body 3 is provided with a crystallization medium exchange lower port 12, and the crystallization medium exchange upper port 11 and the crystallization medium exchange lower port 12 are respectively communicated with the inner cavity of the tank body 3 of the crystallization tank 1. The upper crystallizing medium exchange port 11 in the upper part of the tank body 3 is a cooling medium outlet and a steam inlet, and the lower crystallizing medium exchange port 12 in the lower part of the tank body 3 is a cooling medium inlet and a steam condensate outlet. When the heat exchange pipe 8 is cooled and crystallized, cooling medium enters from the lower crystallizing medium exchange port 12 and is discharged from the upper crystallizing medium exchange port 11; when the heat exchange pipe 8 is heated to melt and crystallize, steam enters from the upper crystallizing medium exchange port 11, and then steam condensate water is discharged from the lower crystallizing medium exchange port 12, and the processes of crystallizing and separating materials are alternately performed.
The utility model discloses a use method:
the melted hot material enters the heat exchange tube 8 through the feed inlet 6 on the upper end enclosure 2, the cooling medium enters the inner cavity of the tank body 3 from the lower crystallizing medium exchange opening 12 at the lower part of the tank body 3, and the cooling medium flows along the annular gap of the baffle plate tube hole 10 between the heat exchange tube 8 and the baffle plate 9 after entering;
the introduced cooling medium condenses the hot materials in the heat exchange tube 8, when the materials in the heat exchange tube 8 are cooled to a certain temperature, crystals are slowly separated out from the materials after the materials reach the crystallization point of one of the materials with high melting point, and the other materials with low melting point are still in a molten state, so that the materials with low melting point flow into the discharge hole 7 of the lower end enclosure 4 along the heat exchange tube 8 and are discharged;
after the cooling medium after heat exchange is discharged through the upper crystallizing medium exchange port 11 of the tank body 3, steam is introduced from the upper crystallizing medium exchange port 11, the steam in the inner cavity of the tank body 3 heats and melts the crystallized materials in the heat exchange pipe 8, the melted materials are discharged through the discharge port 7 of the lower end enclosure 4, and steam condensate water is discharged through the lower crystallizing medium exchange port 12 of the tank body 3, so that the separation and purification of the two materials are achieved.
One embodiment of the present invention is as follows:
the diameter of the tank body 3 of the crystallizing tank 1 is 1500mm, and the height is 4000 mm;
the diameter of the feed inlet 6 is 200 mm;
the diameter of the discharge hole 7 is 200 mm;
the diameter of the heat exchange tube 8 is phi 38 × 3 mm;
the diameter of a baffle plate pipe hole 10 of the baffle plate 9 is phi 45 mm;
the diameter of the crystallization medium exchange upper port 11 is DN 50;
the diameter of the crystallization medium exchange bottom port 12 is DN 50;
the cooling medium is circulating water;
the heating medium is steam.
Claims (3)
1. A crystallization separation device for material purification, which is characterized in that: the crystallization tank comprises a crystallization tank (1) and heat exchange tubes (8), wherein the middle part of the crystallization tank (1) is a tank body (3), an upper end enclosure (2) and a lower end enclosure (4) are respectively installed at the upper end and the lower end of the tank body (3), a feed inlet (6) is arranged at the top of the upper end enclosure (2), a discharge outlet (7) is arranged at the top of the lower end enclosure (4), tube plates (5) are respectively arranged between the lower ends of the upper end enclosure (2) and the lower end enclosure (4) and the tank body (3), tube holes are uniformly distributed in the tube plates (5), the heat exchange tubes (8) are installed in the tank body (3) of the crystallization tank (1), the heat exchange tubes (8) are composed of a plurality of metal tubes, the plurality of heat exchange tubes (8) are parallelly arranged along the length direction of the tank body (3), the plurality of heat exchange tubes (8) are uniformly distributed in the tank body (3), the two ends, the upper part of the tank body (3) is provided with a crystallization medium exchange upper opening (11), the lower part of the tank body (3) is provided with a crystallization medium exchange lower opening (12), and the crystallization medium exchange upper opening (11) and the crystallization medium exchange lower opening (12) are respectively communicated with the inner cavity of the tank body (3) of the crystallization tank (1).
2. The crystallization separation apparatus for material purification according to claim 1, characterized in that: the crystallizer comprises a crystallizer body (3), a baffle plate (9), wherein the baffle plate (9) is installed in the crystallizer body (3), the baffle plate (9) is located in the middle of the crystallizer body (3), the baffle plate (9) is perpendicular to the length direction of the crystallizer body (3), a plurality of baffle plate pipe holes (10) are evenly distributed in the baffle plate (9), a plurality of heat exchange tubes (8) penetrate through the baffle plate pipe holes (10) respectively, and a gap for medium to flow through is formed between each heat exchange tube (8) and each baffle plate pipe hole (10).
3. The crystallization separation apparatus for material purification according to claim 1, characterized in that: the upper crystallizing medium exchange port (11) at the upper part of the tank body (3) is a cooling medium outlet and a steam inlet, the lower crystallizing medium exchange port (12) at the lower part of the tank body (3) is a cooling medium inlet and a steam condensate outlet, and the inlet and outlet of the cooling medium and the inlet and outlet of the steam are alternately performed at the upper crystallizing medium exchange port (11) and the lower crystallizing medium exchange port (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920801478.2U CN210845343U (en) | 2019-05-30 | 2019-05-30 | Crystallization separation device for material purification |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920801478.2U CN210845343U (en) | 2019-05-30 | 2019-05-30 | Crystallization separation device for material purification |
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| CN210845343U true CN210845343U (en) | 2020-06-26 |
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| CN201920801478.2U Active CN210845343U (en) | 2019-05-30 | 2019-05-30 | Crystallization separation device for material purification |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112691402A (en) * | 2020-12-23 | 2021-04-23 | 安徽英特力工业工程技术有限公司 | Vertical melt crystallizer |
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2019
- 2019-05-30 CN CN201920801478.2U patent/CN210845343U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112691402A (en) * | 2020-12-23 | 2021-04-23 | 安徽英特力工业工程技术有限公司 | Vertical melt crystallizer |
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