CN213853137U - High-efficiency vacuum evaporation device - Google Patents

High-efficiency vacuum evaporation device Download PDF

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Publication number
CN213853137U
CN213853137U CN202022649187.1U CN202022649187U CN213853137U CN 213853137 U CN213853137 U CN 213853137U CN 202022649187 U CN202022649187 U CN 202022649187U CN 213853137 U CN213853137 U CN 213853137U
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China
Prior art keywords
chamber
effect
hot water
evaporation
evaporation chamber
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Expired - Fee Related
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CN202022649187.1U
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Chinese (zh)
Inventor
王金志
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Jilin Jinpeng Pharmaceutical Machinery Complete Equipment Co ltd
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Jilin Jinpeng Pharmaceutical Machinery Complete Equipment Co ltd
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Abstract

The utility model relates to a high-efficient vacuum evaporation device, including connecting gradually: the device comprises a first-effect heating chamber, a first-effect evaporation chamber, a condenser and a liquid collecting tank; the condenser can collect condensate and convey the condensate into the liquid collecting tank through the control of the liquid level sensor. The utility model discloses a high-efficient vacuum evaporation device, the liquid medicine is after entering into the evaporating chamber, the even interior edge by the crown plate flows to evenly flow down on the vertical tubbiness inner wall of lower chamber. In the process of flowing down the liquid medicine, the liquid medicine is fully exchanged, and the high-efficiency evaporation of the liquid medicine is realized. The utility model discloses a high-efficient vacuum evaporation device, the hot water clamp cover of make full use of vertical setting heats the evaporation treatment to the liquid medicine that sprays above that, and the area of heating is big, and evaporation efficiency is high.

Description

High-efficiency vacuum evaporation device
Technical Field
The utility model relates to a vacuum evaporation technical field, in particular to high-efficient vacuum evaporation device.
Background
Vacuum evaporation is an evaporation operation carried out under vacuum. In the vacuum evaporation scheme, the last effect of the secondary steam is usually condensed in a hybrid condenser. Vacuum evaporation is characterized by a reduced boiling point of the solution at low pressure and evaporation of a large amount of water with less steam, which has the following advantages: 1. can be used for treating heat-sensitive materials which are easy to decompose at high temperature, such as milk, fruit juice, honey, antibiotics, etc. 2. The heat transfer driving force can be increased, and the evaporation capacity of the evaporator in unit heat transfer area is improved. 3. Can utilize low-temperature heat source to reduce energy consumption. The last few effects in a multi-effect evaporation plant are all operated under vacuum. In order to allow the cooling water under vacuum to be automatically discharged, the installation height of the condenser is generally higher than 10 m. The vacuum degree of the evaporator is determined by the condensation temperature of the secondary steam. Since the dissolved gas in the solution is released by heating, air leaks into the evaporator and the pipeline, and in order to maintain vacuum, the non-condensable gas must be continuously removed by using a vacuum pump.
Vacuum evaporation techniques are also utilized in current pharmaceutical machinery. The evaporator for pharmacy heats the liquid medicine by external steam under the vacuum condition, and then the liquid medicine enters the evaporation chamber from the heater through a centrifugal pump. The chemical liquid is evaporated while flowing down along the inner wall of the evaporation chamber. In the existing evaporator, the liquid medicine begins to flow down rapidly along the inner wall after entering the evaporation chamber, and flows out from the bottom of the evaporation chamber without sufficient heat exchange, so that the efficiency of the vacuum evaporation device is low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses solve the technical problem among the prior art, provide a high-efficient vacuum evaporation device.
In order to solve the technical problem, the technical scheme of the utility model is specifically as follows:
a high-efficiency vacuum evaporation device comprises the following components which are connected in sequence: the device comprises a first-effect heating chamber, a first-effect evaporation chamber, a second-effect heating chamber, a second-effect evaporation chamber, a third-effect heating chamber, a third-effect evaporation chamber, a condenser and a liquid collecting tank;
the primary effect evaporation chamber, the secondary effect evaporation chamber and the tertiary effect evaporation chamber have the same structure; the feeding end of the two-effect heating chamber is connected with the discharging end of the one-effect evaporation chamber, and the feeding end of the two-effect evaporation chamber is connected with the discharging end of the two-effect heating chamber; the discharge end of the two-effect evaporation chamber is connected with the feed end of the three-effect heating chamber; the discharge end of the triple-effect heating chamber is connected with the feed end of the triple-effect evaporation chamber, and the discharge end of the triple-effect evaporation chamber is connected with the feed end of the condenser; the condenser can collect condensate and convey the condensate to the liquid collecting tank by a centrifugal pump under the control of a liquid level sensor;
one imitate the evaporating chamber from top to bottom and include in proper order: an upper chamber, a lower chamber, and a discharge tube; the lower part of the upper chamber and the upper part of the lower chamber are respectively cylindrical; the lower end of the upper chamber is connected with the outer edge of the annular plate, and the upper end of the lower chamber is connected with the inner edge of the annular plate; a feeding pipe is connected to the upper chamber at a position close to the lower end along the tangential direction of the cross section; the discharge pipe is connected with the one-effect heating chamber;
the lower chamber is internally provided with at least one hot water jacket which is in a shape of a cylinder vertically arranged, and hot water for heating the liquid medicine flows in the hot water jacket; a spray ring pipe is arranged above the hot water jacket and can uniformly spray the liquid medicine on the upper part of the hot water jacket; the bottom of the hot water jacket is provided with a hot water pipe which can provide flowing hot water for the hot water jacket;
after entering the primary evaporation chamber from the feeding pipe, the liquid medicine can flow along the ring plate, flows out of the upper chamber from the inner edge of the ring plate, enters the lower chamber, and then uniformly flows down along the inner wall of the lower chamber.
In the technical scheme, the difference between the radiuses of the inner edge and the outer edge of the annular plate is 15-35 cm.
In the technical scheme, the diameter of the lower end of the upper chamber of the single-effect evaporation chamber is 2.1-2.9 m.
In the technical scheme, the diameter of the upper end of the lower chamber of the single-effect evaporation chamber is 1.5-2.5 m.
In the technical scheme, the diameter of the hot water jacket is 500-1000 mm.
In the technical scheme, a plurality of nozzles which spray to the hot water jacket are arranged on the spray ring pipe.
In the technical scheme, the thickness of the water layer in the hot water jacket is 31-50 mm.
In the technical scheme, a two-effect heating chamber, a two-effect evaporation chamber, a three-effect heating chamber and a three-effect evaporation chamber which are connected in sequence are further arranged between the first-effect evaporation chamber and the condenser; the feeding end of the two-effect heating chamber is connected with the discharging end of the one-effect evaporation chamber, and the feeding end of the two-effect evaporation chamber is connected with the discharging end of the two-effect heating chamber; the discharge end of the two-effect evaporation chamber is connected with the feed end of the three-effect heating chamber; the discharge end of the triple-effect heating chamber is connected with the feed end of the triple-effect evaporation chamber, and the discharge end of the triple-effect evaporation chamber is connected with the feed end of the condenser;
the structure of the two-effect evaporation chamber and the structure of the three-effect evaporation chamber are the same as those of the one-effect evaporation chamber.
In the technical scheme, the working temperatures of the primary-effect evaporation chamber, the secondary-effect evaporation chamber and the tertiary-effect evaporation chamber are 40-80 ℃.
In the technical scheme, the first-effect evaporation chamber, the second-effect evaporation chamber and the third-effect evaporation chamber are all made of stainless steel materials.
The utility model discloses following beneficial effect has:
the utility model discloses a high-efficient vacuum evaporation device, the liquid medicine is after entering into the evaporating chamber, the even interior edge by the crown plate flows to evenly flow down on the vertical tubbiness inner wall of lower chamber. In the process of flowing down the liquid medicine, the liquid medicine is fully exchanged, and the high-efficiency evaporation of the liquid medicine is realized.
The utility model discloses a high-efficient vacuum evaporation device, the width of crown plate, the difference of radius on inside and outside edge is 15 ~ 35cm promptly for most liquid medicine can be earlier when entering into the evaporating chamber and carry out circumferencial direction's flow on the crown plate under inertial effect, thereby can be even by the crown plate in along flowing.
The utility model discloses a high-efficient vacuum evaporation device, the hot water clamp cover of make full use of vertical setting heats the evaporation treatment to the liquid medicine that sprays above that, and the area of heating is big, and evaporation efficiency is high.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of the high-efficiency vacuum evaporation device of the present invention.
FIG. 2 is a schematic sectional top view of the first-effect evaporation chamber of the high-efficiency vacuum evaporation apparatus shown in FIG. 1.
FIG. 3 is a schematic sectional top view of a single-effect evaporation chamber of the high-efficiency vacuum evaporation apparatus shown in FIG. 1.
The reference numerals in the figures denote:
1-one effect heating chamber; 2-a one-effect evaporation chamber; 3-a two-effect heating chamber; 4-a double-effect evaporation chamber; 5-a three-effect heating chamber; 6-triple effect evaporation chamber; 7-a condenser; 8-liquid collection tank;
21-upper chamber; 22-a lower chamber; 23-ring plate; 24-a feed pipe; 25-a discharge pipe; 26-hot water jacket; 27-spraying ring pipe; 28-a nozzle; 29-hot water pipe.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the high-efficiency vacuum evaporation device of the present invention comprises: the device comprises a first-effect heating chamber 1, a first-effect evaporation chamber 2, a second-effect heating chamber 3, a second-effect evaporation chamber 4, a third-effect heating chamber 5, a third-effect evaporation chamber 6, a condenser 7 and a liquid collecting tank 8. The discharge end of the first-effect heating chamber 1 is connected with the feed end of the first-effect evaporation chamber 2, the feed end of the second-effect heating chamber 3 is connected with the discharge end of the first-effect evaporation chamber 2, and the feed end of the second-effect evaporation chamber 4 is connected with the discharge end of the second-effect heating chamber 3; the discharge end of the two-effect evaporation chamber 4 is connected with the feed end of the three-effect heating chamber 5; the discharge end of the triple-effect heating chamber 5 is connected with the feed end of the triple-effect evaporation chamber 6, and the discharge end of the triple-effect evaporation chamber 6 is connected with the feed end of the condenser 7. The discharge ends of the first-effect evaporation chamber 2, the second-effect evaporation chamber 4 and the third-effect evaporation chamber 6 are arranged at the top, and the bottom of the first-effect evaporation chamber is also respectively provided with a discharge pipe connected with the heating chamber, so that the purpose of material circulation is achieved.
The utility model discloses an among the high-efficient vacuum evaporation device, one imitates evaporating chamber 2 and includes from top to bottom in proper order: an upper chamber 21, a lower chamber 22, and a discharge pipe 25. The lower portion of the upper chamber 21 and the upper portion of the lower chamber 22 are respectively cylindrical. The lower end of the upper chamber 21 is connected to the outer edge of the ring plate 23, and the upper end of the lower chamber 22 is connected to the inner edge of the ring plate 23. The diameter of the lower end of the upper chamber 21 of the single-effect evaporation chamber 2 is 2.3m, the diameter of the upper end of the lower chamber 22 is 1.9m, and the difference between the radii of the inner and outer edges of the annular plate 23 is 20 cm. The upper chamber 21 is connected with a feed pipe 24 along a tangential direction of a cross section at a position near the lower end; the discharge pipe 25 is connected to the single-effect heating chamber 1.
The utility model discloses a vacuum evaporation device, one imitates the lower indoor 22 of evaporating chamber 2 and is equipped with a hot water jacket 26. The hot water jacket 26 has a vertically disposed annular tube shape, and hot water for heating the chemical liquid flows through the inside thereof. As shown in fig. 1, a shower pipe 27 is disposed above the hot water jacket 26, and a plurality of nozzles 28 for spraying the hot water jacket 26 are disposed on the shower pipe 27, so that the shower pipe 27 can uniformly spray the liquid medicine on the upper portion of the hot water jacket 26. The bottom of the hot water jacket 26 is provided with a hot water pipe 29, and the hot water pipe 29 can supply flowing hot water to the hot water jacket 26. After the liquid medicine flows down from the inner side and the outer side of the outer wall of the hot water jacket 26, the liquid medicine can flow out from a discharge pipe 25 at the bottom of the first-effect evaporation chamber 2 below the hot water jacket 26. The diameter of the hot water jacket 26 is 600mm, and the thickness of the water layer of the hot water jacket 26 is 35 mm.
As shown in fig. 2 and 3, after the liquid medicine enters the single-effect evaporation chamber 2 from the feeding pipe 24 along a tangent line at a certain flow rate, most of the liquid medicine flows along the annular plate 23 under the action of inertia. As the flow speed of the liquid medicine is gradually reduced, the liquid medicine flows out of the upper chamber 21 from the inner edge of the ring plate 23, enters the lower chamber 22, uniformly flows down along the inner wall of the lower chamber 22, and finally flows out of the single-effect evaporation chamber 2 from the discharge pipe 25. During the process of the chemical liquid flowing down, sufficient heat exchange is performed. Meanwhile, hot water flows into the hot water jacket 26 from the hot water pipe 29 and circulates. The liquid medicine is sprayed to the top of the hot water jacket 26 through a plurality of nozzles 28 provided in the shower pipe 27. Then, the liquid medicine flows down uniformly from the inner and outer sides of the outer wall of the hot water jacket 26, and the liquid medicine is heated and evaporated in the process of flowing down. Finally, the liquid medicine flows out from a discharge pipe 25 at the lower end of the one-effect evaporation chamber 2, so that the high-efficiency evaporation of the liquid medicine is realized. The two-effect evaporation chamber 4, the three-effect evaporation chamber 6 and the one-effect evaporation chamber 2 have the same structure and working principle, and are not described in detail herein. The working temperatures of the primary evaporation chamber 2, the secondary evaporation chamber 4 and the tertiary evaporation chamber 6 are respectively 40-80 ℃, and the liquid medicine can be evaporated at any temperature within the temperature range of 40-80 ℃.
The utility model discloses a high-efficient vacuum evaporation device is when the evaporation treatment of the liquid medicine extract that is underway, and one imitates heating chamber 1 and can carry out the liquid medicine that the former liquid pump was carried and add thermal treatment, then carries to one imitate evaporating chamber 2 and carry out evaporation treatment. The lower end of the one-effect evaporation chamber 2 is connected with the liquid medicine adding end of the one-effect heating chamber 1 so as to carry out circulating treatment. When the liquid level of the first-effect evaporation chamber 2 reaches the upper limit, the raw liquid pump stops working, and simultaneously the circulating pump at the lower end of the first-effect evaporation chamber 2 starts working to circulate the liquid medicine in the first-effect heating chamber 1 and the first-effect evaporation chamber 2 and inject the liquid medicine into the second-effect heating chamber 3. When the liquid level in the two-effect evaporation chamber 4 reaches the upper limit, the circulating pump at the bottom of the two-effect evaporation chamber 4 is started to circulate the liquid medicine in the two-effect heating chamber 3 and the two-effect evaporation chamber 4, and the liquid medicine is injected into the three-effect heating chamber 5. When the liquid level in the triple-effect evaporation chamber 6 reaches the upper limit, the circulating pump at the bottom of the triple-effect evaporation chamber 6 is started to circulate the liquid medicine in the triple-effect heating chamber 5 and the triple-effect evaporation chamber 6. The condenser 7 can collect the condensate and convey the condensate into the liquid collecting tank 8 by the centrifugal pump under the control of the liquid level sensor. The first-effect evaporation chamber 2, the second-effect evaporation chamber 4 and the third-effect evaporation chamber 6 are made of stainless steel materials.
In other embodiments, the diameter of the lower end of the upper chamber of the single-effect evaporation chamber may also be other values within the range of 2.1 to 2.9m, and the diameter of the upper end of the lower chamber may also be other values within the range of 1.5 to 2.5m, so long as the difference between the radii of the inner and outer edges of the ring plate is 15 to 35cm, or the difference between the radii of the inner and outer edges of the ring plate is 5 to 16.6% of the diameter of the lower end of the upper chamber, which is not described herein again. The reason is that the width of the annular plate, namely the difference between the radiuses of the inner edge and the outer edge is 15-35 cm, so that most of the liquid medicine can flow on the annular plate in a circumferential mode under the action of inertia when entering the evaporation chamber, and the liquid medicine can uniformly flow out from the inner edge of the annular plate. The utility model discloses in other embodiments, the diameter that the hot water of tube-shape pressed from both sides the cover still can be for other numerical values of 500 ~ 1000mm within range, and the water layer thickness in the hot water presss from both sides the cover still can be for other numerical values of 31 ~ 50mm within range, only need reach the heat exchange rate's of vacuum evaporation processing requirement can, here no longer give consideration to.
In other embodiments, only one-effect heating chamber and one-effect evaporation chamber may be provided, or only one-effect and two-effect, or four-effect and more than four-effect heating chambers and evaporation chambers may be provided, and the number of the specific heating chambers and evaporation chambers may be flexibly set by those skilled in the art according to the requirements of the scale of the evaporation treatment.
In other specific embodiments, two or more hot water jackets can be provided, which are sleeved together, and the purpose of heating and evaporating the liquid medicine can be achieved only by sleeving a plurality of vertically arranged annular cylindrical hot water jackets with hollow upper and lower circular bottom surfaces from outside to inside in the order of radius size and conducting and flowing hot water between the hot water jackets.
In the above-mentioned specific embodiment, all of the devices such as the raw liquid pump, the circulating pump, the centrifugal pump, etc., the vacuum component, the water cooling component, etc. are not shown in fig. 1, and those skilled in the art can flexibly set the devices according to the basic principle of vacuum evaporation and as required, and are not described herein again.
The utility model discloses a high-efficient vacuum evaporation device, the liquid medicine is after entering into the evaporating chamber, the even interior edge by the crown plate flows to evenly flow down on the vertical tubbiness inner wall of lower chamber. During the liquid medicine flowing down, sufficient heat exchange is performed. The utility model discloses a high-efficient vacuum evaporation device still make full use of the hot water jacket of vertical setting to spray the liquid medicine above that and add thermal evaporation, the area of heating is big, and evaporation efficiency is high. The high-efficiency vacuum evaporation device of the utility model is suitable for the vacuum evaporation of the liquid medicine.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims (9)

1. The utility model provides a high-efficient vacuum evaporation device which characterized in that, including connecting gradually: the device comprises a first-effect heating chamber (1), a first-effect evaporation chamber (2), a second-effect heating chamber (3), a second-effect evaporation chamber (4), a third-effect heating chamber (5), a third-effect evaporation chamber (6), a condenser (7) and a liquid collecting tank (8);
the primary evaporation chamber (2), the secondary evaporation chamber (4) and the tertiary evaporation chamber (6) are identical in structure; the feeding end of the two-effect heating chamber (3) is connected with the discharging end of the first-effect evaporation chamber (2), and the feeding end of the two-effect evaporation chamber (4) is connected with the discharging end of the two-effect heating chamber (3); the discharge end of the two-effect evaporation chamber (4) is connected with the feed end of the three-effect heating chamber (5); the discharge end of the triple-effect heating chamber (5) is connected with the feed end of the triple-effect evaporation chamber (6), and the discharge end of the triple-effect evaporation chamber (6) is connected with the feed end of the condenser (7); the condenser (7) can collect condensate and convey the condensate into the liquid collection tank (8) through a centrifugal pump under the control of a liquid level sensor;
one imitate evaporating chamber (2) from top to bottom include in proper order: an upper chamber (21), a lower chamber (22), and a discharge pipe (25); the lower part of the upper chamber (21) and the upper part of the lower chamber (22) are respectively cylindrical; the lower end of the upper chamber (21) is connected with the outer edge of the annular plate (23), and the upper end of the lower chamber (22) is connected with the inner edge of the annular plate (23); the upper chamber (21) is connected with a feeding pipe (24) at a position close to the lower end along the tangential direction of the cross section; the discharge pipe (25) is connected with the single-effect heating chamber (1);
at least one hot water jacket (26) is arranged in the lower chamber (22), the hot water jacket (26) is in a vertically arranged cylindrical shape, and hot water for heating the liquid medicine flows in the hot water jacket (26); a spray ring pipe (27) is arranged above the hot water jacket (26), and the spray ring pipe (27) can uniformly spray the liquid medicine on the upper part of the hot water jacket (26); a hot water pipe (29) is arranged at the bottom of the hot water jacket (26), and the hot water pipe (29) can provide flowing hot water for the hot water jacket (26);
after entering the primary evaporation chamber (2) from the feeding pipe (24), the liquid medicine can flow along the ring plate (23), and flows out of the upper chamber (21) from the inner edge of the ring plate (23) to enter the lower chamber (22), and then flows down uniformly along the inner wall of the lower chamber (22).
2. A high efficiency vacuum evaporation apparatus as claimed in claim 1, wherein the difference between the radii of the inner and outer edges of the ring plate (23) is 15-35 cm.
3. The high-efficiency vacuum evaporation device according to claim 2, wherein the diameter of the lower end of the upper chamber (21) of the single-effect evaporation chamber (2) is 2.1-2.9 m.
4. The high-efficiency vacuum evaporation device according to claim 2, wherein the diameter of the upper end of the lower chamber (22) of the single-effect evaporation chamber (2) is 1.5-2.5 m.
5. The high-efficiency vacuum evaporation device according to claim 1, wherein the diameter of the hot water jacket (26) is 500-1000 mm, and the height is 1-3 m.
6. A high efficiency vacuum evaporation device as claimed in claim 1, wherein the spray ring pipe (27) is provided with a plurality of nozzles (28) which spray towards the hot water jacket (26).
7. The high-efficiency vacuum evaporation device according to claim 1, wherein the thickness of the water layer in the hot water jacket (26) is 31-50 mm.
8. The high-efficiency vacuum evaporation device according to claim 1, wherein the working temperatures of the primary evaporation chamber (2), the secondary evaporation chamber (4) and the tertiary evaporation chamber (6) are 40-80 ℃.
9. The high-efficiency vacuum evaporation device according to claim 1, wherein the materials of the primary evaporation chamber (2), the secondary evaporation chamber (4) and the tertiary evaporation chamber (6) are all stainless steel materials.
CN202022649187.1U 2020-11-16 2020-11-16 High-efficiency vacuum evaporation device Expired - Fee Related CN213853137U (en)

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CN202022649187.1U CN213853137U (en) 2020-11-16 2020-11-16 High-efficiency vacuum evaporation device

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CN202022649187.1U CN213853137U (en) 2020-11-16 2020-11-16 High-efficiency vacuum evaporation device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112516613A (en) * 2020-11-16 2021-03-19 吉林省金鹏制药机械成套设备有限公司 High-efficient vacuum evaporation device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112516613A (en) * 2020-11-16 2021-03-19 吉林省金鹏制药机械成套设备有限公司 High-efficient vacuum evaporation device

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Granted publication date: 20210803