Baffle type toluene and water solvent separator

Abstract

The utility model provides a baffle type toluene and water solvent separator, which relates to the field of solvent separation equipment and comprises a separator main body, a feed port is arranged above the separator main body, an emptying port is arranged below the separator main body, at least one isolation baffle is arranged in the separator main body, and a water outlet and a reflux inlet are respectively arranged on two sides of the separator main body. And the reflux inlet is higher than the water outlet. The baffle type separator is used for separating a mixed solvent of methylbenzene and water, automatic separation can be achieved, and the defects that a traditional separator needs manual liquid level observation and manual drainage are effectively overcome. The whole system does not need manual observation, a solvent and water can be effectively and automatically separated, a shell body of the baffle type separator is a stainless steel body, the defect that a traditional separator must be made of a glass lining material is overcome, the production safety is greatly improved, automatic separation is achieved, the production efficiency is improved, and the labor cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of solvent separation, in particular to a baffle type toluene and water solvent separator. Background Art

[0002] Toluene is an organic compound with the chemical formula C7H8. It is a colorless, volatile liquid with a special aromatic smell and belongs to the aromatic hydrocarbon family. It has strong refractive index and is miscible with ethanol, ether, acetone, chloroform, carbon disulfide and glacial acetic acid, but insoluble in water. It is flammable and its gaseous state can form a mixed explosive with air. The mixture can explode when the volume concentration is in a lower range. It is low toxic and has a median lethal dose (rat, oral) of 5000 mg / kg. High concentrations of gas are anesthetic and irritating. Toluene is an important chemical raw material and can be used to make spray paint, explosives, benzoic acid, fuel, synthetic resins and polyester. Toluene can also be used as a solvent and is also a component of gasoline. In the chemical (pharmaceutical industry) production process, toluene is often used as a solvent, and a mixture of toluene and water will appear. A mixed gas of toluene and water will evaporate in the reactor. Toluene needs to be refluxed into the reactor for recycling. Considering production safety and reaction efficiency, water needs to be removed in a timely and effective manner.

[0003] There is a reflux drainage device in the prior art, which mainly includes a condenser, a straight glass-lined container, the inlet of the gas to be condensed of the condenser is connected to the gas phase outlet at the top of the reactor, the condensate outlet of the condenser is connected to an upper stop valve through a vertically arranged standpipe, the upper stop valve outlet is connected to a water tank through a sight tube and a lower stop valve, and a reflux pipe connected to the reactor is provided on the standpipe. The steam of toluene and water from the gas phase outlet in the reactor is condensed into liquid in the condenser. Due to the density difference between the two and their mutual incompatibility, after standing, toluene and water will be layered, with the toluene phase in the upper layer and the water phase in the lower layer. Therefore, through the overflow method, it can be ensured that toluene flows back to the reactor through the reflux pipe, and water accumulates at the lower end of the container. When there is enough water in the standpipe, the water can be discharged into the water tank through the stop valve. The glass container is used to observe the water level and determine whether it is appropriate to drain the water. This toluene water separation device requires the operator to stay by the sight glass for a long time, observe the water level, and drain the water in time. If the water is not drained in time, it will cause the water to overflow and re-enter the reactor, affecting the reaction effect, reducing production efficiency, and even causing serious production safety accidents. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the above-mentioned prior art. To this end, the utility model proposes a baffle plate type toluene and water solvent separator. The baffle plate type toluene and water solvent separator of the utility model can not only realize automatic separation, but also does not require manual observation of the water level, thereby improving the separation effect, increasing the reaction efficiency, reducing safety accidents, and reducing labor costs and production costs.

[0005] The utility model provides a baffle-type toluene and water solvent separator, comprising a separator body, a feed port is arranged on the top of the separator body, a drain port is arranged on the bottom, at least one isolation baffle is arranged in the separator body, the solvent feed port feeds from one side of the isolation baffle, and a drain port and a reflux port are respectively arranged on both sides of the separator body, and the height of the reflux port is higher than the drain port.

[0006] Preferably, the separator body is made of stainless steel plate or corrosion-resistant polymer material.

[0007] Preferably, the isolation baffle has a gap at the bottom connecting opening to allow water to drain out, and the rest of the parts are tightly connected to the vessel wall.

[0008] Preferably, a balance pipe is provided between the feed port and the separator body to balance the pressure in the container and prevent siphoning caused by negative pressure.

[0009] Preferably, hanging ears are provided on both sides of the outer wall of the separator body.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] (1) The utility model has the beneficial effect that the separator uses a baffle separator to separate the mixed solvent of toluene and water, which can realize automatic separation and effectively eliminates the defects of the traditional separator that requires manual observation of the liquid level and manual drainage.

[0012] (2) The main body of the baffle separator shell of the utility model is a stainless steel body, which eliminates the defect that the traditional separator must use glass-lined material, greatly improves production safety, realizes automatic separation, improves production efficiency, and reduces labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic structural diagram of a baffle-type toluene and water solvent separator of the utility model.

[0014] In the figure: 1 feed port, 2 drain port, 3 isolation baffle, 4 drain port, 5 balance pipe, 6 reflux port, 7 baffle bottom connecting port, 8 hanging ear. DETAILED DESCRIPTION

[0015] In order to make the technical scheme of the utility model more clearly understood by those skilled in the art, the following embodiments are listed for illustration. It should be pointed out that the following embodiments do not limit the protection scope of the utility model.

[0016] The utility model provides a baffle type toluene and water solvent separator, such as Figure 1As shown, it includes a separator body stainless steel container, a feed port 1, a drain port 2, an isolation baffle 3, a drain port 4, a reflux port 6, a balance pipe 5, a baffle bottom connecting port 7, and a hanging ear 8. Among them, the feed port 1 is set at the top of the separator body, the drain port 2 is set at the bottom of the separator body, and an isolation baffle 3 is set along one side of the feed port 1 in the separator body. The isolation baffle 3 has a gap except for the bottom connecting port to allow water to be discharged, and the rest of the parts must be tightly connected to the wall. The drain port 4 and the reflux port 6 are respectively set on both sides of the separator body. The solution to be separated enters from the feed port 1. After standing for a certain period of time, the separated solvent is discharged from the reflux port 6, and the water flows out through the drain port 4. If the production line is stopped, all the solution must be discharged through the drain port 2.

[0017] Since there is a density difference between the vapors of toluene and water, and they are incompatible with each other, toluene and water will be separated into layers, with the toluene phase in the upper layer and the water phase in the lower layer. When the solvent enters from one side of the isolation baffle, since the water is in the lower layer, the water in the lower layer penetrates into the other side of the isolation baffle through the gap at the bottom of the isolation baffle, and the reflux port 6 is higher than the drain port 4 to ensure that the solvent can automatically flow out of the separator. In this embodiment, the drain port 4 is located on the other side of the isolation baffle, and the separated water penetrates into this side so that it is all water, which is convenient for discharge from the drain port. It is located on one side of the feed port and mainly discharges the separated toluene. When multiple isolation baffles are used, a drain port needs to be set in the isolated container.

[0018] Furthermore, since the automatic separation of the solvent can be achieved in this embodiment, the material of the separator body can be selected to be a corrosion-resistant polymer material, such as polyetheretherketone resin, polytetrafluoroethylene, etc.

[0019] Furthermore, a balance pipe 5 is provided between the feed port 1 and the separator body to balance the pressure in the container and prevent the siphon phenomenon caused by negative pressure.

[0020] Furthermore, two hanging ears 8 are provided on both sides of the outer wall of the separator body for installing, placing and moving the separator.

[0021] In the baffle-type mixed solvent separator of toluene and water in this embodiment, the condensed gas passes through the condenser, becomes condensate after cooling, and enters the baffle-type separator introduced in the utility model. The separator body is made of stainless steel, and automatically separates toluene and water by density pressure difference. After toluene is separated, it is put back into the reactor, and water is automatically discharged. There is no need to manually observe the water level, which improves the separation effect, improves the reaction efficiency, reduces safety accidents, and reduces labor costs and production costs. Specifically, the mixed solvent enters the separator through the feed port 1. By utilizing the immiscibility of toluene and water and their own density difference, the water phase will flow out from the drain port 4 through the bottom connecting port 7 of the baffle 3, and the toluene will flow out from the reflux port 6. After standing for 15 minutes, the purity of the separated toluene is about 99%; after standing for 30 minutes, the purity of the separated toluene is about 99.2%; after standing for 45 minutes, the purity of the separated toluene is about 99.3%; after standing for 60 minutes, the purity of the separated toluene is about 99.5%; after standing for 90 minutes, the purity of the separated toluene is about 99.5%; after standing for 120 minutes, the purity of the separated toluene is about 99.5%; after standing for 180 minutes, the purity of the separated toluene is about 99.8%.

[0022] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. At the same time, for those skilled in the art, according to the ideas of the utility model, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the utility model.

[0023] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. At the same time, for those skilled in the art, according to the ideas of the utility model, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the utility model.

Claims

1. A baffle type toluene and water solvent separator, characterized in that, It includes a separator body, a feed port is arranged on the top of the separator body, a drain port is arranged on the bottom of the separator body, at least one isolation baffle is arranged in the separator body, the solvent enters from one side of the isolation baffle, and a drain port and a reflux port are arranged on both sides of the separator body respectively, and the height of the reflux port is higher than the drain port.

2. The baffle type toluene and water solvent separator according to claim 1, characterized in that: The separator body is made of stainless steel plate or corrosion-resistant polymer material.

3. The baffle type toluene and water solvent separator according to claim 1, characterized in that: The isolation baffle has a gap at the bottom connecting opening to allow water to drain out, and the rest of the parts must be tightly connected to the vessel wall.

4. The baffle type toluene and water solvent separator according to claim 1, characterized in that: A balance pipe is arranged between the feed port and the separator body to balance the pressure in the container and prevent siphoning caused by negative pressure.

5. The bulk grain barge system integrating unloading and loading processes according to claim 1 is characterized in that: Hanging ears are arranged on both sides of the outer wall of the separator body.

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