Improved liquid separation device
By designing a continuous liquid separation device, adopting series-connected light and heavy liquid separation tanks and improving the internal structure, the problem of low efficiency in intermittent liquid separation in chemical production was solved, achieving efficient continuous operation and improved material purity.
Patent Information
- Application Number
- CN202520098003.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-16
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-01-16
AI Technical Summary
In current chemical production, extraction and separation operations are usually intermittent, resulting in low production efficiency, especially since they cannot be carried out continuously. This is particularly true in azeotropic distillation operations, where low production efficiency is a significant issue.
Design a continuous liquid separation device that uses series-connected light and heavy liquid separation tanks. Inside the separation tanks, a wave-damping layer, a liquid-stabilizing layer, and a mixed liquid disperser are installed. A heavy liquid gravity flow controller is used to achieve efficient separation of light and heavy liquids.
It achieves efficient separation of light and heavy liquids, improves production efficiency, reduces material loss, lowers production costs, and is easy to operate.
Smart Images
Figure CN223760466U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of chemical production equipment and light-heavy liquid separation technology, and in particular to an improved liquid separation device. Background Technology
[0002] In pharmaceutical synthesis and fine chemical pilot-scale or production processes, chemical workers frequently encounter the problem of separating light and heavy liquids, such as extraction and separation, and azeotropic distillation with water removal. Previously, the methods and equipment used were mostly intermittent, requiring long periods of settling and preventing continuous operation. This is especially true in azeotropic distillation, where dehydrating agents are needed to remove water from the organic solvent before separation, such as in the dehydration of isopropanol and butanol. In industrial production, prolonged settling and separation is highly detrimental to production efficiency.
[0003] Based on this, we must study and design an improved liquid separator that has good separation effect of oil-water phase or light liquid and heavy liquid, high separation efficiency and can operate continuously. Summary of the Invention
[0004] To address the aforementioned problems, this utility model discloses an improved liquid separation device. Its innovations include: (1) the introduction of a continuous liquid separation method and a series-connected continuous liquid separation device; (2) innovative improvements to the internal structure of the liquid separation device, including the design of a wave-damping layer, a liquid-stabilizing layer, and a mixed liquid disperser; and (3) the design of a heavy liquid self-flow controller. Compared with previous intermittent liquid separation devices, this improved liquid separation device features high production efficiency, good liquid separation effect, and convenient operation. The improved liquid separation device described in this utility model includes: a mixed liquid inlet, a light-heavy liquid separation tank A, a light-heavy liquid separation tank B, a mixed liquid disperser, a wave-damping layer, a liquid-stabilizing layer, a heavy liquid outlet pipe, a heavy liquid gravity flow controller, an amplifier, a vent pipe, a light liquid storage tank, a pipe sight glass, a heavy liquid storage tank, and a heavy liquid outlet. The light-heavy liquid separation tank A and the light-heavy liquid separation tank B are connected in series via pipes in the direction of mixed liquid inflow. The light liquid outlet A at the top of the light-heavy liquid separation tank A is connected to the mixed liquid inlet B in the middle of the light-heavy liquid separation tank B. The light liquid outlet B at the top of the light-heavy liquid separation tank B is connected to the light liquid storage tank via a pipe. The bottoms of the light-heavy liquid separation tanks A and B are connected to the same heavy liquid outlet pipe, which is connected to the heavy liquid gravity flow controller via a pipe. The top of the heavy liquid gravity flow controller is connected to the vent pipe, and the heavy liquid gravity flow controller is connected downwards to the heavy liquid storage tank via a pipe.
[0005] Preferably, the improved liquid separation device described in this utility model is characterized in that the diameter and height of the light-heavy liquid separation tank A are exactly the same as those of the light-heavy liquid separation tank B, the internal structures of the light-heavy liquid separation tank A and the light-heavy liquid separation tank B are exactly the same, and the light-heavy liquid separation tank A and the light-heavy liquid separation tank B are connected in series along the direction of light liquid flow. This design aims to achieve continuous operation and improve liquid separation efficiency.
[0006] Preferably, the improved liquid separation device described in this utility model is characterized in that a wave-damping layer is provided on the upper inner side of the light-heavy liquid separation tank A and the light-heavy liquid separation tank B, a mixed liquid disperser is provided in the middle inner side, and a liquid-stabilizing layer is provided in the lower inner side. The purpose of this design is to reduce fluctuations in the liquid material and accelerate the efficient separation of light and heavy liquids.
[0007] Preferably, the improved liquid separation device described in this utility model is characterized in that the wave-blocking layer is composed of a hollow cylinder made of rigid PP material with a thickness of 40-60mm. The upper and lower surfaces of the wave-blocking layer are drilled with 200-300 circular holes with a diameter of 5mm. The wave-blocking layer is fixed to the upper inner side of the light and heavy liquid separation tank A and the light and heavy liquid separation tank B by means of a swivel joint. The purpose of this design is to reduce the flow speed of the mixed liquid, thereby reducing fluctuations and improving the liquid separation effect.
[0008] Preferably, the improved liquid separation device described in this utility model is characterized in that the liquid disperser is composed of 3-5 rigid PP pipes with a diameter of 40-50mm, cross-welded together on a single plane. A 5-6mm circular hole is opened on the lower surface of the liquid disperser, and one end of the disperser is connected to the liquid inlet. This design aims to reduce the flow rate of the liquid, thereby reducing fluctuations and improving the liquid separation effect.
[0009] Preferably, the improved liquid separation device of this utility model is characterized in that the stabilizing layer is composed of a hollow cylinder made of rigid PP material with a thickness of 40-60mm. The upper and lower surfaces of the stabilizing layer have 200-300 holes with a diameter of 5mm drilled in each. The stabilizing layer is fixed to the lower inner side of the light-heavy liquid separation tank A and the light-heavy liquid separation tank B by a flexible connection. The purpose of setting the stabilizing layer is to prevent the heavy liquid in the lower part from mixing with the light liquid again due to fluctuations. Preferably, the improved liquid separation device of this utility model is characterized in that the heavy liquid gravity flow controller is shaped like an inverted U-shaped bend, and an amplifier is installed on the top of the heavy liquid gravity flow controller. A vent pipe is connected directly above the amplifier. The purpose of this design is to disrupt the siphon phenomenon generated during liquid flow, thereby effectively preventing the material in the separation tank from being evacuated.
[0010] The improved liquid separation device described in this utility model has four significant beneficial effects: (1) The light and heavy liquid separation tank A and the light and heavy liquid separation tank B are connected in series, which can effectively improve the separation quality and production efficiency; (2) The internal wave-damping layer, the mixed liquid disperser, and the liquid stabilizing layer of the light and heavy liquid separation tank A and the light and heavy liquid separation tank B can effectively improve the separation quality and are very beneficial to improving the purity of light or heavy liquids; (3) The heavy liquid self-flow controller with the top connected to the vent pipe can effectively prevent material loss, which is very beneficial to reducing production costs and protecting the environment; (4) It also has the advantages of high production efficiency, good separation effect, and convenient operation. Attached Figure Description
[0011] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.
[0012] Figure 1 This is a schematic diagram of the structure of an improved liquid separation device according to an embodiment of the present invention.
[0013] Figure 1 In the middle section: Mixed liquid source 01, light and heavy liquid separation tank A02, light and heavy liquid separation tank B03, mixed liquid inlet A04, light liquid outlet A05, mixed liquid inlet B06, light liquid outlet B07, mixed liquid disperser 08, wave-damping layer 09, liquid-stabilizing layer 10, heavy liquid outlet pipe 11, heavy liquid gravity flow controller 12, amplifier 13, vent pipe 14, heavy liquid storage tank 15, light liquid storage tank 16, pipeline sight glass 17, light liquid storage tank bottom valve 18, heavy liquid storage tank bottom valve 19, heavy liquid outlet 20. Detailed Implementation
[0014] To make the objectives, technical solutions, and advantages of this utility model clearer, the following description is provided in conjunction with... Figure 1 The specific embodiments of this implementation will be further described.
[0015] The improved liquid separation device described in this specific embodiment includes: a mixed liquid source 01, a light-heavy liquid separation tank A02, a light-heavy liquid separation tank B03, a mixed liquid inlet A04, a light liquid outlet A05, a mixed liquid inlet B06, a light liquid outlet B07, a mixed liquid disperser 08, a wave-damping layer 09, a liquid-stabilizing layer 10, a heavy liquid outlet pipe 11, a heavy liquid gravity flow controller 12, an amplifier 13, a vent pipe 14, a heavy liquid storage tank 15, a light liquid storage tank 16, a pipe sight glass 17, a light liquid storage tank bottom valve 18, a heavy liquid storage tank bottom valve 19, and a heavy liquid outlet 20.
[0016] Furthermore, in the improved liquid separation device described in this specific embodiment, the light-heavy liquid separation tank A02 and the light-heavy liquid separation tank B03 are connected in series via pipes in the direction of mixed liquid inflow. The light liquid outlet A05 at the top of the light-heavy liquid separation tank A02 is connected to the mixed liquid inlet B06 in the middle of the light-heavy liquid separation tank B03. The light liquid outlet B07 at the top of the light-heavy liquid separation tank B03 is connected to the light liquid storage tank 16 via a pipe. The bottoms of the light-heavy liquid separation tank A02 and the light-heavy liquid separation tank B03 are connected to the same heavy liquid outlet pipe 11. The heavy liquid outlet pipe 11 is connected to the heavy liquid gravity flow controller 12 via a pipe. The top of the heavy liquid gravity flow controller 12 is connected to the vent pipe 13. The heavy liquid gravity flow controller 12 is connected downward to the heavy liquid storage tank 15 via a pipe.
[0017] Furthermore, the operation process of the improved liquid separation device described in this specific embodiment is as follows: First, the mixed liquid to be separated enters the light-heavy liquid separation tank A02 after being decelerated by the liquid disperser in tank A through the mixed liquid inlet A04. The light liquid and heavy liquid are quickly separated, with the light liquid rising and the heavy liquid settling. The light liquid passes through the wave-damping layer and enters the light-heavy liquid separation tank B03 along the pipeline. After further separation, it flows into the light liquid storage tank 16, and then flows into the next process for further processing and utilization through the bottom valve 18 of the light liquid storage tank. The heavy liquid settles in the light-heavy liquid separation tanks A and B, passes through the liquid stabilizing layer, the heavy liquid outlet pipe 11, and the heavy liquid gravity flow controller 12, and flows into the heavy liquid storage tank 15. Then, it is transferred to the next process for further processing and utilization through the bottom valve 19 of the heavy liquid storage tank.
[0018] Furthermore, in this specific embodiment, the improved liquid separation device is characterized in that the diameter and height of the light-heavy liquid separation tank A are exactly the same as those of the light-heavy liquid separation tank B, the internal structures of the light-heavy liquid separation tank A and the light-heavy liquid separation tank B are exactly the same, and the light-heavy liquid separation tank A and the light-heavy liquid separation tank B are connected in series along the direction of light liquid flow. This design aims to achieve continuous operation and improve liquid separation efficiency.
[0019] Furthermore, in this specific embodiment, the improved liquid separation device is characterized in that a wave-damping layer is provided on the upper inner side of both the light and heavy liquid separation tank A and the light and heavy liquid separation tank B, a mixed liquid disperser is provided in the middle inner side, and a liquid-stabilizing layer is provided in the lower inner side. The purpose of this design is to reduce fluctuations in the liquid material and accelerate the efficient separation of light and heavy liquids.
[0020] Furthermore, the improved liquid separation device described in this specific embodiment is characterized in that the wave-blocking layer is composed of a hollow cylinder made of rigid PP material with a thickness of 40-60mm. The upper and lower surfaces of the wave-blocking layer are drilled with 200-300 circular holes with a diameter of 5mm. The wave-blocking layer is fixed to the upper inner side of the light and heavy liquid separation tank A and the light and heavy liquid separation tank B by means of a swivel joint. The purpose of this design is to reduce the flow speed of the mixed liquid, thereby reducing fluctuations and improving the liquid separation effect.
[0021] Furthermore, in this specific embodiment, the improved liquid separation device is characterized in that the liquid disperser is composed of 3-5 rigid PP pipes with a diameter of 40-50mm, cross-welded together on a single plane. A 5-6mm circular hole is opened on the lower surface of the liquid disperser, and one end of the disperser is connected to the liquid inlet. This design aims to reduce the flow rate of the liquid, thereby reducing fluctuations and improving the liquid separation effect.
[0022] Furthermore, in this specific embodiment of the improved liquid separation device, the liquid stabilizing layer is characterized by being composed of a hollow cylinder made of rigid PP material with a thickness of 40-60mm. The upper and lower surfaces of the liquid stabilizing layer have 200-300 holes with a diameter of 5mm drilled in each. The liquid stabilizing layer is fixed to the lower inner side of the light-heavy liquid separation tank A and the light-heavy liquid separation tank B by a swivel joint. The purpose of setting the liquid stabilizing layer is to prevent the heavy liquid in the lower part from mixing with the light liquid again due to fluctuations.
[0023] Furthermore, in this specific embodiment of the improved liquid separation device, the heavy liquid gravity flow controller is characterized by its inverted U-shaped bend, with an amplifier mounted on top and a vent pipe connected directly above the amplifier. This design aims to disrupt the siphon effect generated during liquid flow, thereby effectively preventing the material in the separation tank from being evacuated.
[0024] With this design, the improved liquid separation device described in this utility model has four significant beneficial effects: (1) The light and heavy liquid separation tank A and the light and heavy liquid separation tank B are connected in series, which can effectively improve the separation quality and production efficiency; (2) The internal wave-damping layer, the mixed liquid disperser, and the liquid stabilizing layer of the light and heavy liquid separation tank A and the light and heavy liquid separation tank B can effectively improve the separation quality and are very beneficial to improving the purity of light or heavy liquids; (3) The heavy liquid self-flow controller with the top connected to the vent pipe can effectively prevent material loss, which is very beneficial to reducing production costs and protecting the environment; (4) It also has the advantages of high production efficiency, good separation effect, and convenient operation.
[0025] Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model shall be included within the protection scope of this utility model. The protection scope of this utility model shall conform to the widest range consistent with the principles and novel features described herein.
Claims
1. An improved liquid separation device comprising: The mixed liquid inlet A, the light-heavy liquid separation tank A, the light-heavy liquid separation tank B, the mixed liquid disperser, the wave resistance layer, the liquid stabilizing layer, the heavy liquid guide pipe, the heavy liquid gravity flow controller, the amplifier, the emptying pipe, the light liquid storage tank, the pipe sight glass, the heavy liquid storage tank, and the heavy liquid outlet are characterized in that the light-heavy liquid separation tank A and the light-heavy liquid separation tank B are connected in series through pipes in the direction of the mixed liquid inflow, the light liquid outlet A at the upper part of the light-heavy liquid separation tank A is connected to the mixed liquid inlet B at the middle part of the light-heavy liquid separation tank B, the light liquid outlet B at the upper part of the light-heavy liquid separation tank B is connected to the light liquid storage tank through a pipe, the light-heavy liquid separation tank A and the light-heavy liquid separation tank B are connected to the same heavy liquid guide pipe at the bottom, the heavy liquid guide pipe is connected to the heavy liquid gravity flow controller through a pipe, the heavy liquid gravity flow controller is connected to the emptying pipe at the top, and the heavy liquid gravity flow controller is connected to the heavy liquid storage tank downward through a pipe.
2. The improved liquid separating device according to claim 1, wherein The diameter and height of the light-heavy liquid separation tank A are the same as those of the light-heavy liquid separation tank B, the internal structure of the light-heavy liquid separation tank A is the same as that of the light-heavy liquid separation tank B, and the light-heavy liquid separation tank A and the light-heavy liquid separation tank B are connected in series along the light liquid flow direction.
3. The improved liquid separating device according to claim 1, wherein The light-heavy liquid separation tank A and the light-heavy liquid separation tank B are provided with the wave resistance layer at the upper part of the inner side, the mixed liquid disperser at the middle part of the inner side, and the liquid stabilizing layer at the lower part of the inner side.
4. The improved liquid separating device according to claim 1, wherein The wave resistance layer is composed of a hollow cylinder with a hard PP material and a thickness of 40-60 mm, the upper surface and the lower surface of the wave resistance layer are drilled with 200-300 round holes with a diameter of 5 mm, and the wave resistance layer is fixed to the upper part of the inner side of the light-heavy liquid separation tank A and the light-heavy liquid separation tank B in a loose joint manner.
5. The improved liquid separating device according to claim 1, wherein The mixed liquid disperser is composed of 3-5 hard PP pipes with a diameter of 40-50 mm which are cross-welded together in a plane, the lower surface of the mixed liquid disperser is provided with 5-6 mm round holes, and one end of the mixed liquid disperser is connected to the mixed liquid inlet.
6. The improved liquid separating device according to claim 1, wherein The liquid stabilizing layer is composed of a hollow cylinder with a hard PP material and a thickness of 40-60 mm, the upper surface and the lower surface of the liquid stabilizing layer are drilled with 200-300 round holes with a diameter of 5 mm, and the liquid stabilizing layer is fixed to the lower part of the inner side of the light-heavy liquid separation tank A and the light-heavy liquid separation tank B in a loose joint manner.
7. The improved liquid separating device according to claim 1, wherein The heavy liquid gravity flow controller is shaped like an inverted U-shaped elbow pipe, the amplifier is arranged at the top of the heavy liquid gravity flow controller, and the emptying pipe is connected to the amplifier.