CN216592695U - Gas cooling and purifying device - Google Patents
Gas cooling and purifying device Download PDFInfo
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- CN216592695U CN216592695U CN202122510549.3U CN202122510549U CN216592695U CN 216592695 U CN216592695 U CN 216592695U CN 202122510549 U CN202122510549 U CN 202122510549U CN 216592695 U CN216592695 U CN 216592695U
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Abstract
The utility model discloses a gas cooling and purifying device which comprises a cooling purifier shell and a cooling purifier core. The bottom of the cooling purifier shell is of a conical structure, a jacket is designed, and a convex plug is arranged at the lowest position of the shell and can be used for discharging materials in a detachable mode. The central cylinder of the cooling purifier is of a hollow structure, a double-layer coil pipe is arranged on the outer side of the central cylinder, and cooling water or steam can be introduced into the conical bottom jacket, the double-layer coil pipe and the inner cylinder. When the cooling purifier works, cooling water is introduced into the conical bottom jacket, the coil and the inner cylinder, and high-melting-point materials carried in high-temperature gas can be condensed into solid when the high-temperature gas passes through the cooling purifier, so that the blockage of subsequent pipelines and equipment is reduced. When more materials are adhered to the coil pipe through the flange sight glass, steam can be introduced into all the jackets and the coil pipe, and the materials are melted at high temperature and then discharged through a discharge hole at the bottom of the cooling purifier. The utility model has high efficiency of condensing and purifying gas and is easy to check and clean.
Description
Technical Field
The utility model relates to the field of chemical drying equipment, in particular to a gas cooling and purifying device.
Background
With the increasing emphasis on environmental issues,polylactic acid and polyglycolic acidSuch degradable plastics are receiving increasing attention. Preparation of lactide and glycolidePolylactic acid and polyglycolic acidThe raw materials of (1) lactide must be strictly dried before polymerization synthesis, high-temperature gas generated in the drying process often carries a large amount of glycolide or lactide, and if the high-temperature gas is not cooled and purified, subsequent pipelines can be blocked or subsequent equipment can be damaged, and material loss can also be caused. Therefore, it is necessary to purify these gases by cooling and collect the recovered products obtained by the purification. Because glycolide and lactide are solid materials, if a large amount of glycolide and lactide are adhered to the internal parts of the purifying equipment, the purifying equipment is easy to lose efficacy.
In order to solve the problems, the core part of the conventional gas purification device in the field is a filter screen or a filter bag, but the core part of the device has small specific surface area and low purification efficiency, and the filter screen needs to be replaced and cleaned frequently, so that the operation is complicated.
Therefore, a device capable of efficiently cooling and purifying high-temperature gas containing glycolide and lactide (the temperature is generally 50-200 ℃, and particularly, for some glycolide or lactide with lower purity, the melting point is often lower than 50 ℃, which means that a large amount of glycolide or lactide liquid drops can be entrained in the gas at the temperature of 50 ℃) is needed, and the device also needs to be capable of conveniently cleaning the adhered lactide.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide the gas cooling and purifying device which has a simple structure, has a good cooling and purifying effect on high-temperature gas containing lactide or glycolide and is convenient to clean.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a gas cooling and purifying device comprises a cooling purifier shell (2) and a cooling purifier core (1); the method is characterized in that:
the bottom of the cooling purifier shell (2) is a conical bottom, and a gas phase inlet (29) and a gas phase outlet (21) are also arranged in the cooling purifier shell (2);
a flange viewing mirror (15) is arranged on a top flange (10) of the cooling purifier core (1), a central cylinder (18) is arranged in the cooling purifier core (1), and a double-layer coil pipe (16) is arranged around the central cylinder (18);
the central cylinder (18) is of a hollow structure, a partition plate (19) is arranged in the middle of the central cylinder, and cooling water or steam can be introduced into the central cylinder;
the coil (16) can be fed with cooling water or steam.
The bottom of the cooling purifier shell (2) is provided with a cone bottom jacket (26), the cone bottom jacket (26) is provided with a cone bottom jacket inlet (27) and a cone bottom jacket outlet (28), and cooling water or steam can be introduced into the cone bottom jacket (26).
And fixing supports (22) are arranged on two sides of the cooling purifier shell (2).
The cooling purifier shell (2) bottom still is equipped with bottom drain hole (6), and bottom drain hole (6) department installs protruding style of calligraphy end cap (3) of a detachable, and bottom drain hole (6) are connected with protruding style of calligraphy end cap (3).
The bottom discharging hole (6) is connected with a discharging outlet flange (7) for the convex plug and a convex plug flange (8), and a sealing gasket (5) is arranged at the joint.
The section of the boss of the convex plug (3) is trapezoidal, and the included angle formed by the trapezoidal edge and the horizontal plane is 75-85 degrees.
The coil (16) is fixed on the central cylinder (18) through a coil fixing plate (17) arranged on the central cylinder (18), and meanwhile, an inlet (14) and an outlet (13) of the coil are also fixed on the cooling purifier core (1) through a top flange (10) on the cooling purifier core (1).
The central cylinder (18) of the cooling purifier core is of a hollow structure, an inlet (12) and an outlet (11) of the central cylinder (18) are connected with a cavity of the central cylinder (18), and a partition plate (19) is arranged in the middle of the central cylinder (18).
The inlet (12) and the outlet (11) of the central cylinder (18) pass through the top flange (10) and are connected with the cavity of the central cylinder (18).
The central cylinder (18) is mounted on a top flange (10), and a flange view mirror (15) is mounted on the top flange (10) of the cooling purifier core.
Advantageous effects
Compared with the prior art, the utility model has the advantages that:
1. the utility model has the characteristics of simple structure, large specific surface area, difficult blockage and high cooling and purifying efficiency.
2. The central cylinder of the purifier core and the bottom of the purifier shell in the gas cooling and purifying device are both provided with cooling water or steam inlets and outlets, so that when materials adhered inside are cleaned, the materials can be melted and removed only by introducing steam, and the cleaning is convenient.
3. As an embodiment scheme, the gas cooling and purifying device is also provided with a test mirror at a proper position, so that the capture and adhesion degree of materials in the device and the cleaning effect can be observed at any time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a purifier core in the gas cooling and purifying apparatus according to the embodiment of the present invention
FIG. 3 is a schematic structural diagram of a purifier case in the gas cooling and purifying apparatus according to the embodiment of the present invention
FIG. 4 is a schematic top view of a purifier core in the gas cooling and purifying apparatus according to the embodiment of the present invention
In the figure: 1-cooling purifier core, 2-cooling purifier shell, 3-convex plug, 6-bottom discharge port, 7-discharge outlet flange, 8-convex plug flange, 10-top flange, 15-flange viewing mirror,
11-central cylinder outlet, 12-central cylinder inlet, 18-central cylinder, 19-central cylinder clapboard,
13-coil outlet, 14-coil inlet, 16-coil, 17-coil fixing plate,
21-gas phase outlet, 29-gas phase inlet; 27-cone bottom jacket inlet, 28-cone bottom jacket outlet,
22-a cooling purifier shell fixing support, 25-a purifier shell barrel body non-jacket part and 26-a cone bottom jacket;
4-gasket at connecting flange of core and shell of cooling purifier, and 5-gasket at connecting flange of plug and bottom of cooling purifier shell
Detailed Description
Referring to fig. 1, 2, 3 and 4, a gas cooling and purifying apparatus according to an embodiment includes a cooling purifier case (2) and a cooling purifier core (1). The bottom of the cooling purifier shell (2) is a conical bottom and is provided with a convex plug (3), and the cooling purifier shell (2) is also internally provided with a gas phase inlet (29) and a gas phase outlet (21). The conical bottom of the cooling purifier shell (2) is designed, so that materials are not easy to accumulate at the bottom after being heated and melted, and are convenient to discharge through the bottom discharge hole (6). The gas inlet and outlet needing cooling and purification adopt a low inlet and high outlet mode, so that materials carried by the gas can be effectively settled. A flange sight glass (15) is arranged on a top flange (10) of the cooling purifier core, and the degree of material adhesion on the surface of the internal component of the cooling purifier can be observed through the flange sight glass. The double-layer coil (16) is arranged around the central cylinder (18) of the cooling purifier core, the central cylinder (18) is of a hollow structure, the middle of the central cylinder is provided with a partition plate (19) through which cooling water or steam can be introduced, and the design can effectively improve the specific surface area inside the cooling purifier.
Specifically, the bottom of the cooling purifier shell (2) is of a conical structure, a conical bottom jacket (26) is installed on the cooling purifier shell, and a cooling water or steam inlet (27) and a cooling water or steam outlet (28) are formed in the jacket. When the equipment normally works, cooling water is introduced into the jacket, and when a large amount of lactide is adhered in the device through the flange sight glass (15), steam is introduced into the jacket to melt and clean the material. The two sides of the cooling purifier shell (2) are provided with fixed brackets (22) which are convenient for fixed installation on the platform; the cooling purifier shell (2) bottom still is equipped with bottom drain hole (6), and during normal work, bottom drain hole (6) department installs a type of protruding end cap (3), and bottom drain hole (6) are connected with type of protruding end cap with blowing outlet flange (7) and type of protruding end cap flange (8), and seal gasket (5) are installed to the junction. Specifically, the section of a boss of the convex plug (3) is trapezoidal, and an acute angle (alpha angle) formed by the edge of the trapezoid and the horizontal plane is 75-85 degrees. The boss of the convex-shaped plug is not a cylinder, but a tapered structural part (the section of the boss is trapezoidal), so that the convex-shaped plug (3) can be easily detached and cannot be clamped at the bottom discharge hole (6) under the condition that a large amount of solid materials are adhered to the surface of the boss. Specifically, a double-layer coil (16) is installed on a central cylinder of the cooling purifier core (1), the coil (16) is fixed on the central cylinder through a coil fixing plate (17) arranged on the central cylinder (18), and meanwhile, an inlet (14) and an outlet (13) of the coil are also fixed on the cooling purifier core (1) through a top flange (10) on the cooling purifier core. The design of the double-layer coil pipe is adopted, the specific surface area of cooling or heating can be improved, and the inlet and the outlet of the coil pipe are arranged on the top flange (10), so that the equipment installation and the pipeline connection are more convenient. Specifically, a flange viewing mirror (15) is mounted on a top flange (10) of the cooling purifier core. The internal state of the device can be observed through the flange sight glass, and the sight glass can be detached as an inlet for maintenance and cleaning agent. Specifically, a central cylinder (18) of the cooling purifier core is of a hollow structure, cooling water or steam can be introduced into the central cylinder, the central cylinder is mounted on a top flange (10), an inlet (12) and an outlet (11) of the central cylinder (18) penetrate through the top flange (10) and are connected with a central cylinder cavity, and a partition plate (19) is arranged in the middle of the central cylinder.
Example 1 cooling purge mode
In the self-polymerization synthesis of two types of lactide raw material, drying is carried out before polymerization synthesis, high-temperature gas output in the industrial drying process enters a gas cooling and purifying device through a gas phase inlet (29), the gas after cooling and purifying is discharged from a gas phase outlet (21), and cooling water is introduced into a coil (16), a central cylinder (18) and a cooling and purifying device cone bottom jacket (26).
EXAMPLE 2 purifier cleaning mode
When a large amount of white solid (glycolide or lactide) is observed to be adhered to the coil pipe (16) through the flange sight glass (15), the lower convex plug (3) can be detached, steam is introduced into the coil pipe (16), the central cylinder (18) and the conical bottom jacket (26) of the cooling purifier, the glycolide or the lactide can be rapidly melted under the condition that the temperature exceeds 100 ℃, and glycolide or lactide liquid is discharged through the bottom discharge hole (6).
And finally, observing that the materials in the device are completely melted and cleaned through a sight glass, reinstalling the convex plug (3), and continuing to work.
Claims (10)
1. A gas cooling and purifying device comprises a cooling purifier shell (2) and a cooling purifier core (1); the method is characterized in that:
the bottom of the cooling purifier shell (2) is a conical bottom, and a gas phase inlet (29) and a gas phase outlet (21) are also arranged in the cooling purifier shell (2);
a flange viewing mirror (15) is arranged on a top flange (10) of the cooling purifier core (1), a central cylinder (18) is arranged in the cooling purifier core (1), and a double-layer coil pipe (16) is arranged around the central cylinder (18);
the central cylinder (18) is of a hollow structure, a partition plate (19) is arranged in the middle of the central cylinder, and cooling water or steam can be introduced into the central cylinder;
the coil (16) can be fed with cooling water or steam.
2. A gas cooling purification apparatus according to claim 1, wherein:
the bottom of the cooling purifier shell (2) is provided with a cone bottom jacket (26), the cone bottom jacket (26) is provided with a cone bottom jacket inlet (27) and a cone bottom jacket outlet (28), and cooling water or steam can be introduced into the cone bottom jacket (26).
3. A gas cooling purification apparatus according to claim 1, wherein:
and fixing supports (22) are arranged on two sides of the cooling purifier shell (2).
4. A gas cooling purification apparatus according to claim 1, wherein:
the cooling purifier shell (2) bottom still is equipped with bottom drain hole (6), and bottom drain hole (6) department installs protruding style of calligraphy end cap (3) of a detachable, and bottom drain hole (6) are connected with protruding style of calligraphy end cap (3).
5. A gas cooling purification apparatus according to claim 4, wherein: the bottom discharging hole (6) is connected with a discharging outlet flange (7) for the convex plug and a convex plug flange (8), and a sealing gasket (5) is arranged at the joint.
6. A gas cooling purification apparatus according to claim 4, wherein: the section of the boss of the convex plug (3) is trapezoidal, and the included angle formed by the trapezoidal edge and the horizontal plane is 75-85 degrees.
7. A gas cooling purification apparatus according to claim 1, wherein: the coil (16) is fixed on the central cylinder (18) through a coil fixing plate (17) arranged on the central cylinder (18), and meanwhile, an inlet (14) and an outlet (13) of the coil are also fixed on the cooling purifier core (1) through a top flange (10) on the cooling purifier core (1).
8. A gas cooling purification apparatus according to claim 1, wherein: the central cylinder (18) of the cooling purifier core is of a hollow structure, an inlet (12) and an outlet (11) of the central cylinder (18) are connected with a cavity of the central cylinder (18), and a partition plate (19) is arranged in the middle of the central cylinder (18).
9. A gas cooling purification apparatus according to claim 8, wherein: the inlet (12) and the outlet (11) of the central cylinder (18) pass through the top flange (10) and are connected with the cavity of the central cylinder (18).
10. A gas cooling purification apparatus according to claim 9, wherein: the central cylinder (18) is mounted on a top flange (10), and a flange view mirror (15) is mounted on the top flange (10) of the cooling purifier core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122510549.3U CN216592695U (en) | 2021-10-19 | 2021-10-19 | Gas cooling and purifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122510549.3U CN216592695U (en) | 2021-10-19 | 2021-10-19 | Gas cooling and purifying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216592695U true CN216592695U (en) | 2022-05-24 |
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ID=81638191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122510549.3U Active CN216592695U (en) | 2021-10-19 | 2021-10-19 | Gas cooling and purifying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216592695U (en) |
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2021
- 2021-10-19 CN CN202122510549.3U patent/CN216592695U/en active Active
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