Liquid-liquid separation device for phenol extraction tower

Abstract

The utility model discloses a liquid-liquid separation device for a phenol extraction tower, which comprises an extraction assembly, and the extraction assembly comprises an extraction tower main body and a tower cover; the extraction rate increasing assembly comprises a sieve plate, L-shaped rods, a motor, a rectangular shaft rod and a cutting blade, the sieve plate is movably connected in the extraction tower main body, the two sides of the top of the sieve plate are fixedly connected with one ends of the L-shaped rods, the motor is fixedly connected between the other ends of the L-shaped rods, and the output end of the motor is connected with the rectangular shaft rod. The two sides of the rectangular shaft rod are fixedly connected with cutting blades. According to the utility model, the motor can drive the cutting blade to rotate, so that liquid passing through the sieve pores can be cut and crushed, and phenol organic phase liquid is dispersed into smaller and more uniform liquid drops; compared with a common sieve plate with a simple structure, the contact area of phenol organic phase liquid drops and a water phase continuous phase is greatly increased, mass transfer of phenol between two phases is facilitated, and the extraction efficiency is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to phenol extraction technical field, concretely is a kind of liquid-liquid separation device for phenol extraction tower. BACKGROUND

[0002] The working principle of phenol sieve plate extraction tower is based on the basic principle of liquid-liquid extraction, and the different solubility or distribution coefficient of phenol in two mutually insoluble solvents is used to transfer phenol from one solvent to another, so as to realize separation and purification. Specifically, dispersed phase formation (usually the organic phase containing phenol is introduced from the bottom of the tower, and the aqueous phase enters from the top of the tower; the organic phase of phenol is dispersed into small droplets through the sieve holes of the sieve plate and enters the continuous phase of the aqueous phase), mass transfer process (during the rising process of the organic phase droplets of phenol in the aqueous phase, phenol will diffuse from the side with high concentration to the side with low concentration according to its distribution coefficient in the two phases), layering and separation (after the mass transfer process through multiple sieve plates, the organic phase droplets of phenol will gradually coalesce into larger droplets when rising to the clarification section at the top of the tower, forming an organic phase layer of phenol, which flows out from the organic phase outlet at the top of the tower; while the aqueous phase flows downward under the action of gravity, and the small amount of organic phase droplets of phenol that may be entrained in the aqueous phase will also coalesce and separate when passing through the clarification section at the bottom of the tower, and the aqueous phase flows out from the aqueous phase outlet at the bottom of the tower, thus realizing the separation of the two phases and completing the extraction process of phenol).

[0003] The sieve plate structure in the existing separation device is usually simple, and only relies on the dispersion step of sieve holes to realize separation and mass transfer. However, the extraction rate is not high in actual use, and there is still a lot of room for improvement in extraction rate. Therefore, a new structure is needed to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a liquid-liquid separation device for phenol extraction tower to solve the problems raised in the above background technology. To solve the above technical problems, the utility model is realized by the following technical scheme:

[0005] The utility model is a liquid-liquid separation device for phenol extraction tower, which comprises:

[0006] The extraction assembly comprises an extraction tower body and a tower cover, and the extraction tower body is movably connected with the tower cover at the top.

[0007] The extraction rate improving assembly comprises a sieve plate, an L-shaped rod, a motor, a rectangular shaft and a cutting piece, the sieve plate is movably connected in the extraction tower body, the sieve plate is movably connected with the L-shaped rod at the top of both sides, the L-shaped rod is movably connected with the motor between the other end, the motor is movably connected with the rectangular shaft at the output end, and the rectangular shaft is movably connected with the cutting piece at both sides.

[0008] Further, the number of sieve plates is three, and the sieve plates are arranged equidistantly in the vertical direction of the extraction tower body.

[0009] Further, the extraction rate improving assembly further comprises a decagon-shaped groove, and the cutting piece is provided with the decagon-shaped groove.

[0010] Further, the extraction assembly further comprises a phenol organic phase inlet pipe, a water phase inlet pipe, a phenol organic phase outlet pipe and a water phase outlet pipe, the phenol organic phase inlet pipe is fixedly installed at the lower end of one side of the extraction tower body, the water phase inlet pipe is fixedly installed at the upper end of the one side of the extraction tower body, the phenol organic phase outlet pipe is fixedly installed in the middle of the tower cover, and the water phase outlet pipe is fixedly installed at the lower end of the other side of the extraction tower body.

[0011] Further, the convenient replacement assembly comprises a receiving rod, a slot and a limiting plug rod, the receiving rod is fixedly connected between the sieve plates, the slot is formed in the top of the extraction tower body, one end of the limiting plug rod is fixedly connected to the top of the receiving rod, and the other end of the limiting plug rod is movably connected to the slot, and the slot is located below the tower cover.

[0012] Further, the convenient replacement assembly further comprises a clamping groove, and the clamping groove is formed in the bottom of the tower cover.

[0013] Further, the convenient replacement assembly further comprises a circular groove and a cylindrical rod, the circular groove is formed in the top of the extraction tower body, and the cylindrical rod is fixedly connected to the bottom of the tower cover and movably penetrates the circular groove.

[0014] The utility model has the following beneficial effects:

[0015] The utility model discloses a motor is opened, can drive rectangular axle rod and cutting piece rotation, thereby can cut and break the liquid of passing through sieve hole, make phenol organic phase liquid dispersion into smaller, more uniform liquid drop, compared with the sieve plate of simple structure, greatly increased the contact area of phenol organic phase liquid drop and water phase continuous phase, is favorable to the mass transfer of phenol between two phases, and further improves the extraction efficiency.

[0016] Based on the above beneficial effects, the receiving rod can be installed and dismounted in the extraction tower body under the cooperation of the limiting plug rod and the slot, and then the sieve plate, the motor and the cutting piece can be quickly installed and dismounted in the extraction tower body, so that timely maintenance and replacement can be facilitated when the sieve plate, the motor and the cutting piece fail or are damaged. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings described in the following description are only some embodiments of the present application, and for the ordinary skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0018] Figure 1 It is an internal structure schematic view of the present application;

[0019] Figure 2 It is an internal structure schematic view of the present application; Figure 1 It is an enlarged view of A in the middle;

[0020] Figure 3 It is an overall schematic view of the present application;

[0021] Figure 4 It is a connecting schematic view of the receiving rod of the present application;

[0022] Figure 5 It is a slot opening schematic view of the present application;

[0023] Figure 6 It is a cylindrical rod connecting schematic view of the present application.

[0024] In the drawings, the component list represented by each number is as follows:

[0025] 101, extraction tower main body; 102, tower cover; 103, phenol organic phase inlet pipe; 104, water phase inlet pipe; 105, phenol organic phase outlet pipe; 106, water phase outlet pipe;

[0026] 201, sieve plate; 202, L-shaped rod; 203, motor; 204, rectangular shaft rod; 205, cutting piece; 206, decagon slot;

[0027] 301, receiving rod; 302, slot; 303, limiting insertion rod; 304, clamping groove; 305, circular groove; 306, cylindrical rod. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application, obviously, the described embodiments are only some embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by the ordinary skilled in the art without creative labor are within the protection scope of the present application.

[0029] In order to make the purpose, technical scheme and advantages of the present application more clear, the following will further describe the embodiments of the present application in combination with the drawings.

[0030] Referring to Figures 1-6 The utility model discloses a liquid-liquid separation device for phenol extraction tower, including:

[0031] The extraction assembly includes an extraction tower body 101 and a tower cover 102, and the top of the extraction tower body 101 is movably connected to the tower cover 102.

[0032] The extraction rate improving assembly includes sieve plates 201, L-shaped rods 202, motors 203, rectangular shaft rods 204 and cutting blades 205, the sieve plates 201 are movably connected in the extraction tower body 101, the L-shaped rods 202 are fixedly connected to the top of the sieve plates 201 on both sides, the motors 203 are fixedly connected between the other ends of the L-shaped rods 202, the output ends of the motors 203 are connected to the rectangular shaft rods 204, and the cutting blades 205 are fixedly connected to the rectangular shaft rods 204 on both sides; the three sieve plates 201 are equidistantly arranged in the vertical direction of the extraction tower body 101.

[0033] The sieve holes in the sieve plates 201 are used for dispersing the phenol organic phase, the L-shaped rods 202 are arranged to provide a guarantee for firm installation of the motors 203, and the motors 203 are arranged to provide kinetic energy for rotation of the rectangular shaft rods 204 and the cutting blades 205.

[0034] The extraction rate improving assembly further includes decagonal grooves 206, and the decagonal grooves 206 are formed through the cutting blades 205.

[0035] The decagonal grooves 206 are arranged to enable the liquid to form more turbulent flow, thereby further improving the contact mixing effect.

[0036] The extraction assembly further includes a phenol organic phase inlet pipe 103, an aqueous phase inlet pipe 104, a phenol organic phase outlet pipe 105 and an aqueous phase outlet pipe 106, the phenol organic phase inlet pipe 103 is fixedly installed at the lower end of one side of the extraction tower body 101, the aqueous phase inlet pipe 104 is fixedly installed at the upper end of one side of the extraction tower body 101, the phenol organic phase outlet pipe 105 is fixedly installed in the middle of the tower cover 102, and the aqueous phase outlet pipe 106 is fixedly installed at the lower end of the other side of the extraction tower body 101.

[0037] The phenol organic phase inlet pipe 103 and the phenol organic phase outlet pipe 105 are respectively used for the inlet and outlet of the phenol organic phase at the extraction tower body 101, and the aqueous phase inlet pipe 104 and the aqueous phase outlet pipe 106 are respectively used for the inlet and outlet of the aqueous phase at the extraction tower body 101.

[0038] Further comprising a convenient replacement assembly, the convenient replacement assembly comprises a receiving rod 301, a slot 302 and a limiting plug rod 303, the receiving rod 301 is fixedly connected between the sieve plates 201, the slot 302 is arranged at the top of the extraction tower body 101, one end of the receiving rod 301 is fixedly connected with the limiting plug rod 303, and the other end of the limiting plug rod 303 is movably connected with the slot 302, and the slot 302 is located below the tower cover 102;

[0039] The receiving rod 301 provides protection for the fixed connection between the sieve plates 201, and the slot 302 and the limiting plug rod 303 are used in cooperation to provide protection for the disassembly of the receiving rod 301.

[0040] The convenient replacement assembly further comprises a clamping groove 304, and the clamping groove 304 is arranged at the bottom of the tower cover 102.

[0041] The top of the limiting plug rod 303 is movably clamped in the clamping groove 304, so that the normal connection of the limiting plug rod 303 to the tower cover 102 is prevented from being affected.

[0042] The convenient replacement assembly further comprises a circular groove 305 and a cylindrical rod 306, the circular groove 305 is arranged at the top of the extraction tower body 101, and the cylindrical rod 306 is fixedly connected with the bottom of the tower cover 102; the cylindrical rod 306 is movably inserted into the circular groove 305.

[0043] The circular groove 305 and the cylindrical rod 306 are used in cooperation to ensure the stability of the connection of the tower cover 102.

[0044] Working principle: the phenol organic phase is introduced from the phenol organic phase inlet pipe 103, and the water phase is introduced from the water phase inlet pipe 104, then the wireless device is used to control the motor 203 to be turned on, so as to drive the rectangular shaft rod 204 and the cutting piece 205 to rotate, at this time, the phenol organic phase is dispersed and moves upward through the lowermost sieve plate 201, and the rotating cutting piece 205 further cuts and disperses the liquid, the dispersed phenol organic phase rises in the water phase, then the phenol organic phase gradually gathers into larger droplets when rising to the top of the clarification section, forms a light phase layer, and flows out from the top of the phenol organic phase outlet pipe 105, while the water phase flows downward under the action of gravity, and when passing through the bottom of the clarification section, a small amount of phenol organic phase droplets that may be entrained in the water phase are also gathered and separated, and the water phase flows out from the bottom of the water phase outlet pipe 106, so that the extraction of phenol is completed; the tower cover 102 is pulled upward, at this time, the cylindrical rod 306 is taken out of the circular groove 305, so that the tower cover 102 is removed, then the limiting plug rod 303 is pulled upward along the slot 302, so that the receiving rod 301 is taken out of the extraction tower body 101, so that the sieve plate 201, the motor 203 and the cutting piece 205 are taken out, after maintenance and replacement, the above steps are repeated in reverse, so that installation can be realized; this step improves the extraction efficiency and facilitates maintenance and replacement when the parts are damaged.

[0045] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A liquid-liquid separation device for a phenol extraction tower, characterized in that, include: An extraction assembly, comprising an extraction tower body (101) and a tower cover (102), wherein the top of the extraction tower body (101) is movably connected to the tower cover (102); An extraction rate enhancement component includes a sieve plate (201), an L-shaped rod (202), a motor (203), a rectangular shaft (204), and cutting blades (205). The sieve plate (201) is movably connected in the extraction tower body (101). One end of the L-shaped rod (202) is fixedly connected to both sides of the top of the sieve plate (201), and the other end of the L-shaped rod (202) is fixedly connected to the motor (203). The output end of the motor (203) is connected to the rectangular shaft (204), and the cutting blades (205) are fixedly connected to both sides of the rectangular shaft (204).

2. The liquid-liquid separation device for a phenol extraction tower according to claim 1, characterized in that: There are a total of three sieve plates (201), which are arranged at equal intervals in the vertical direction of the extraction tower body (101).

3. The liquid-liquid separation device for a phenol extraction tower according to claim 1, characterized in that: The extraction rate enhancement component also includes a decagonal groove (206), and the decagonal groove (206) is formed through the cutting blade (205).

4. A liquid-liquid separation device for a phenol extraction tower according to claim 1, characterized in that: The extraction assembly also includes a phenol organic phase inlet pipe (103), an aqueous phase inlet pipe (104), a phenol organic phase outlet pipe (105), and an aqueous phase outlet pipe (106). The phenol organic phase inlet pipe (103) is fixedly installed at the lower end of one side of the extraction tower body (101), the aqueous phase inlet pipe (104) is fixedly installed at the upper end of one side of the extraction tower body (101), the phenol organic phase outlet pipe (105) is fixedly installed in the middle of the tower cover (102), and the aqueous phase outlet pipe (106) is fixedly installed at the lower end of the other side of the extraction tower body (101).

5. A liquid-liquid separation device for a phenol extraction tower according to claim 1, characterized in that: It also includes a convenient replacement component, which includes a receiving rod (301), a slot (302) and a limiting rod (303). The receiving rod (301) is fixedly connected between the sieve plates (201). The slot (302) is opened on the top of the extraction tower body (101). One end of the limiting rod (303) is fixedly connected to the top of the receiving rod (301). The other end of the limiting rod (303) is movably connected to the slot (302). The slot (302) is located below the tower cover (102).

6. A liquid-liquid separation device for a phenol extraction tower according to claim 5, characterized in that: The convenient replacement component also includes a slot (304), which is provided at the bottom of the tower cover (102).

7. A liquid-liquid separation device for a phenol extraction tower according to claim 5, characterized in that: The convenient replacement component also includes a circular groove (305) and a cylindrical rod (306). The circular groove (305) is opened on the top of the extraction tower body (101), and the cylindrical rod (306) is fixedly connected to the bottom of the tower cover (102). The cylindrical rod (306) is movably inserted into the circular groove (305).

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