CN213375192U

CN213375192U - Distillation still

Info

Publication number: CN213375192U
Application number: CN202021852788.6U
Authority: CN
Inventors: 阮岳峰
Original assignee: Zhejiang Shangneng Industrial Co ltd
Current assignee: Zhejiang Shangneng Industrial Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-06-08
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses a distillation kettle, including the cauldron body and kettle cover, the cauldron body is from interior and outer including distillation chamber, steam heating chamber and heat preservation packing layer, steam heating chamber is connected with into steam conduit and goes out steam conduit, distillation chamber is connected with charge-in pipeline and distillation discharge pipeline at least, distillation chamber is connected with circulation discharge gate and circulation feed inlet, the circulation discharge gate with be provided with two at least branches on the circulation feed inlet, two all be provided with valve and filter on the branch road, the circulation discharge gate is connected with the immersed pump, the immersed pump set up in distillation chamber bottom. The distillation kettle conveys distilled materials to the filter for filtering through the immersed pump in the distillation process, the filter filters and collects separated solids or impurities, and one branch is controlled to be closed through the valve to clean the solids or impurities on the filter, so that the solids or impurities can be cleaned under the condition that the distillation kettle does not stop distillation, and the distillation efficiency is improved.

Description

Distillation still

Technical Field

The utility model belongs to the technical field of chemical industry equipment, specifically a stills.

Background

Distillation is a thermodynamic separation process that utilizes the difference in boiling points of components in a mixed liquid or liquid-solid system to vaporize lower boiling components and recondense to separate the entire component, a unit operation that combines the two unit operations of evaporation and condensation. Compared with other separation means, such as extraction, filtration crystallization and the like, the method has the advantage that other solvents except system components are not required, so that new impurities are not introduced. In the production process of chemical products, a distillation method is often needed, a certain amount of impurities are remained at the bottom of an existing distillation still after distillation for a period of time, precipitated solids or impurities need to be discharged, and if the impurities are not discharged, the distillation still is difficult to clean due to blockage or scaling in an attached body. And the distillation still needs to stop working in the process of removing impurities, so that the distillation efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses it is not enough to prior art, provide a stills, solid or impurity in this kind of stills can get rid of stills in the distillation for stills can continuous work, need not to shut down clearance solid or impurity, effectively improves distillation efficiency.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve: the utility model provides a distillation still, includes the cauldron body and kettle cover, the cauldron body is from interior and outer including distillation chamber, steam heating chamber and heat preservation packing layer, steam heating chamber is connected with into steam conduit and goes out steam conduit, distillation chamber is connected with charge-in pipeline and distillation discharge pipeline at least, distillation chamber is connected with circulation discharge gate and circulation feed inlet, the circulation discharge gate with be provided with two at least branches, two on the circulation feed inlet all be provided with valve and filter on the branch road, the circulation discharge gate is connected with the immersed pump, the immersed pump set up in distillation chamber bottom. The distillation kettle conveys distilled materials to the filter for filtering through the immersed pump in the distillation process, the filter filters and collects separated solids or impurities, and one branch is controlled to be closed through the valve to clean the solids or impurities on the filter, so that the solids or impurities can be cleaned under the condition that the distillation kettle does not stop distillation, and the distillation efficiency is improved.

In the above technical scheme, preferably, the kettle cover is provided with a motor, and a stirrer driven by the motor is arranged in the distillation cavity. By adopting the structure, the solid or the impurities can be prevented from sinking, so that the immersed pump can smoothly convey the solid or the impurities.

In the above technical scheme, preferably, a channel is arranged in the filter, a plurality of filter cloths are arranged in the direction of the inner section of the channel, and a detachable slag discharge cover is arranged on the side surface of the channel. By adopting the structure, the filter cloth can be conveniently replaced and impurities or solids can be conveniently cleaned.

In the above technical scheme, preferably, a net-shaped support is arranged in the channel in the cross section direction, the filter cloth is fixedly arranged on the material receiving side of the net-shaped support, and a positioning frame matched and sealed with the edge of the channel is arranged on the outer edge of the filter cloth. By adopting the structure, the sealing performance of the filter cloth and the inner wall of the channel can be improved, so that the filtering effect is improved.

In the above technical solution, preferably, the residue discharge cover is fixedly matched with the filter through a screw, and a seal ring is arranged between the residue discharge cover and the filter. By adopting the structure, the slag discharging cover can be conveniently detached, and the sealing property of the slag discharging cover is improved.

In the above technical scheme, preferably, the distillation cavity and the steam heating cavity are both connected and provided with overflow valves. By adopting the structure, the overhigh pressure in the distillation cavity and the steam heating cavity can be prevented.

In the above technical scheme, preferably, the circulation discharge port, the circulation feed port and the filter outside are provided with heat preservation covers, and the heat preservation covers are provided with doors. By adopting the structure, the heat loss in the circulating filtration process can be reduced.

Compared with the prior art, the utility model, following beneficial effect has: the distillation kettle conveys distilled materials to the filter for filtering through the immersed pump in the distillation process, the filter filters and collects separated solids or impurities, and one branch is controlled to be closed through the valve to clean the solids or impurities on the filter, so that the solids or impurities can be cleaned under the condition that the distillation kettle does not stop distillation, and the distillation efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic sectional structure diagram of an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a filter according to an embodiment of the present invention.

Detailed Description

The invention will be described in further detail with reference to the following detailed description and accompanying drawings: referring to fig. 1 to 3, a distillation still, including the cauldron body 1 and kettle cover 2, the cauldron body 1 is from inside to outside including distillation chamber 11, steam heating chamber 12 and heat preservation packing layer 13, steam heating chamber 12 is connected with into steam conduit 121 and goes out steam conduit 122, distillation chamber 11 is connected with charge-in pipeline 111 and distillation discharge tube 112, distillation chamber 11 is connected with circulation discharge gate 113 and circulation feed inlet 114, be provided with two at least branches on circulation discharge gate 113 and the circulation feed inlet 114, all be provided with valve 3 and filter 4 on two branches, circulation discharge gate 113 is connected with immersed pump 5, immersed pump 5 sets up in distillation chamber 11 bottom. During the distillation process of the distillation kettle, the distilled materials are conveyed to the filter 4 through the immersed pump 5 for filtration, the precipitated solids or impurities are filtered and collected by the filter 4, and one branch is controlled to be closed through the valve 3 to clean the solids or impurities on the filter 4, so that the solids or impurities can be cleaned without stopping the distillation of the distillation kettle, and the distillation efficiency is improved.

In this embodiment, a motor 6 is disposed on the kettle cover 2, and a stirrer 7 driven by the motor 6 is disposed in the distillation cavity 11. During the distillation process, the starting motor 6 can prevent the solid or the impurities from sinking, so that the immersed pump 5 can smoothly convey the solid or the impurities.

Furthermore, a channel 41 is arranged in the filter 4, four net-shaped supports 44 are arranged in the cross section direction in the channel 41, a filter cloth 42 is fixedly arranged on the feeding side of each net-shaped support 44, a positioning frame matched and sealed with the edge of the channel 41 is arranged on the outer edge of the filter cloth 42, and a detachable slag discharge cover 43 is arranged on the side surface of the channel 41. The filter 4 can improve the sealing performance of the filter cloth 42 and the inner wall of the channel 41, and can conveniently clean solids and impurities filtered from the filter cloth 42.

In order to facilitate the disassembly and assembly of the slag discharge cover 43 and prevent liquid leakage, the slag discharge cover 43 is fixedly matched with the filter 4 through a screw 45, a sealing ring 46 is arranged between the slag discharge cover 43 and the filter 4, and the sealing ring 46 is clamped between the slag discharge cover 43 and the filter 4 in an annular shape.

In order to prevent the danger caused by overhigh internal pressure of the distillation cavity 11 and the steam heating cavity 12, the overflow valves 8 are connected and arranged on the distillation cavity 11 and the steam heating cavity 12.

In order to reduce the heat loss in the liquid circulation process in the distillation still, the circulation discharge hole 113, the circulation feed hole 114 and the outer side of the filter 4 are provided with heat-insulating covers 9, and the heat-insulating covers 9 are provided with doors 91.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a distillation kettle, includes the cauldron body (1) and kettle cover (2), the cauldron body (1) is from inside to outside including distillation chamber (11), steam heating chamber (12) and heat preservation packing layer (13), steam heating chamber (12) are connected with into steam conduit (121) and go out steam conduit (122), distillation chamber (11) are connected with feed line (111) and distillation discharge line (112) at least, its characterized in that: distillation chamber (11) are connected with circulation discharge gate (113) and circulation feed inlet (114), circulation discharge gate (113) with be provided with two at least branches on circulation feed inlet (114), two all be provided with valve (3) and filter (4) on the branch road, circulation discharge gate (113) are connected with immersed pump (5), immersed pump (5) set up in distillation chamber (11) bottom.

2. A still pot according to claim 1 wherein: a motor (6) is arranged on the kettle cover (2), and a stirrer (7) driven by the motor (6) is arranged in the distillation cavity (11).

3. A still pot according to claim 1 wherein: a channel (41) is arranged in the filter (4), a plurality of filter cloths (42) are arranged in the direction of the inner section of the channel (41), and a detachable slag discharge cover (43) is arranged on the side face of the channel (41).

4. A still pot according to claim 3 wherein: a net-shaped support (44) is arranged in the inner section direction of the channel (41), the filter cloth (42) is fixedly arranged on the feeding side of the net-shaped support (44), and a positioning frame matched and sealed with the edge of the channel (41) is arranged on the outer edge of the filter cloth (42).

5. A still pot according to claim 3 wherein: arrange sediment lid (43) with filter (4) pass through screw (45) fixed fit, arrange sediment lid (43) with be provided with sealing washer (46) between filter (4).

6. A still pot according to claim 1 wherein: the distillation cavity (11) and the steam heating cavity (12) are both connected with an overflow valve (8).

7. A still pot according to claim 1 wherein: the circulation discharge hole (113), the circulation feed inlet (114) and the filter (4) are provided with a heat-insulating cover (9), and a door (91) is arranged on the heat-insulating cover (9).