Efficient acetone recovery and separation integrated device

Abstract

The utility model discloses a high-efficiency acetone recovery and separation integrated device, and relates to the technical field of acetone recovery and separation. The device comprises a bottom plate, the top of the bottom plate is fixedly connected with a distillation retort, and the top of the distillation retort is provided with an adsorption recovery tank; a heating assembly is arranged at the bottom of the adsorption recovery tank and comprises a coil pipe fixedly connected to the inner bottom of the distillation tank. The spraying plate in the adsorption recovery tank sprays adsorption liquid, acetone in tail gas is effectively adsorbed, the recovery efficiency of acetone is remarkably improved, a filter screen in the particle impurity filtering assembly can effectively remove particle impurities in the tail gas, the particle impurities are prevented from competing for adsorption sites with the adsorption liquid, and therefore the recovery effect of acetone is further improved. The heating assembly adopts the built-in coil pipe to directly heat the adsorption liquid, so that the heat loss is reduced, and meanwhile, the adsorption liquid in the flow guide pipe is preheated by utilizing the preheating pipe, so that the distillation efficiency is remarkably improved, and the energy consumption is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of acetone recovery and separation, particularly relates to a high -efficient recovery and separation integrated device of acetone. BACKGROUND

[0002] Acetone is an organic solvent, usually colorless, transparent, volatile and has irritating odor liquid, in the industrial process, acetone is used as solvent or chemical raw material, due to its volatility, will be discharged with tail gas, in order to save cost and reduce environmental pollution, will use the recovery and separation integrated device to recover and separate acetone.

[0003] The existing recovery and separation integrated device is when recovering and separating acetone in tail gas, usually through the way of adsorption liquid spraying to recover acetone, then distills adsorption liquid to separate acetone, when adsorption liquid sprays to recover acetone, the particulate impurities mixed in tail gas will compete with the adsorption sites of adsorption liquid, resulting in the reduction of recovery efficiency, and the heating mode commonly used in distillation is peripheral heating of distillation tank, a large amount of heat is easy to lose in air, which not only consumes energy, but also reduces the distillation efficiency.

[0004] Therefore, we provide a high -efficient recovery and separation integrated device of acetone to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of high -efficient recovery and separation integrated device of acetone, by the cooperation of heating component and particulate impurity filtration component, solve the problem of the reduction of recovery and separation efficiency when recovering and separating acetone in the recovery and separation integrated device in prior art.

[0006] To solve the above technical problems, the utility model is realized by the following technical schemes.

[0007] The utility model discloses a kind of high -efficient recovery and separation integrated device of acetone, including bottom plate, the bottom plate top is fixedly connected with distillation tank, the distillation tank top is provided with adsorption recovery tank;The adsorption recovery tank bottom is provided with heating component, and heating component includes fixedly connected in the bottom of distillation tank Coil pipe, is communicated in the top of distillation tank Draft tube, is fixedly connected on the surface of draft tube Preheating pipe;The adsorption recovery tank one side is provided with particulate impurity filtration component, and particulate impurity filtration component includes the connection barrel of screwing on the one side of adsorption recovery tank, fixedly connected in the inside of connection barrel Filter screen.

[0008] The utility model further is provided with, the coil pipe air inlet end extends to one side of distillation tank, and the coil pipe air outlet end extends to the top of distillation tank and is communicated with preheating pipe.

[0009] The utility model further sets up, spray the plate is fixedly connected with in the adsorption recovery jar top, the spray board top is connected with the connecting pipe.

[0010] The utility model further sets up, the adsorption recovery jar side is connected with the exhaust pipe, the exhaust pipe top is connected with the reflux pipe, the reflux pipe is connected with the adsorption recovery jar.

[0011] The utility model further sets up, the distillation jar top is connected with the steam guide pipe, the bottom plate top is set up with the mounting hole.

[0012] The utility model further sets up, the exhaust pipe and reflux pipe surface all are equipped with solenoid valve, the exhaust pipe top is fixedly connected with gas detection instrument.

[0013] The utility model further sets up, the distillation jar side is connected with the liquid discharge pipe, and the liquid discharge pipe surface is equipped with the valve.

[0014] The utility model has following beneficial effect.

[0015] 1. The utility model discloses a spray board in the adsorption recovery jar sprays adsorption liquid, effectively adsorbs the acetone in the tail gas, significantly improves the recovery efficiency of acetone, and the filter screen in the particulate impurity filtering subassembly can effectively remove the particulate impurity in the tail gas, avoids its competition adsorption site with adsorption liquid, to further improve the recovery effect of acetone, and heating subassembly adopts built-in coil to directly heat adsorption liquid, reduces heat loss, simultaneously utilizes preheating pipe to preheat adsorption liquid in the flow guide pipe, significantly improves the distillation efficiency and reduces energy consumption.

[0016] 2. The utility model discloses a gas detection instrument in real time monitoring the acetone content in the exhaust gas, cooperates with solenoid valve and realizes the standard discharge or reflux reprocessing of tail gas, ensures that the recovery effect meets the environmental protection requirement, and the whole device integrates adsorption, filtration, distillation and detection function in one, compact structure, easy operation is applicable to the high -efficient demand of industrial acetone recovery and separation.

[0017] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described above at the same time. ACCURACY OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be to the embodiment description needed to use the drawing do simple introduction.

[0019] Figure 1 It is a kind of acetone high-efficiency recovery and separation integrated device's perspective view.

[0020] Figure 2 It is a kind of acetone high-efficiency recovery and separation integrated device's sectional view.

[0021] Figure 3 It is a sectional view of the adsorption recovery tank in the integrated device for high-efficiency recovery and separation of acetone.

[0022] Figure 4 It is a sectional view of the connecting cylinder in the integrated device for high-efficiency recovery and separation of acetone.

[0023] Figure 5 It is a rear view of the integrated device for high-efficiency recovery and separation of acetone.

[0024] In the drawings: 1, bottom plate; 2, distillation tank; 3, adsorption recovery tank; 4, coil; 5, flow guide pipe; 6, preheating pipe; 7, connecting cylinder; 8, filter screen; 9, spray plate; 10, connecting pipe; 11, exhaust pipe; 12, reflux pipe; 13, steam guide pipe; 14, gas detector. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. The described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0026] Embodiment 1

[0027] Please refer to Figures 1-5 The present application is an integrated device for high-efficiency recovery and separation of acetone, which comprises a bottom plate 1, a distillation tank 2 fixedly connected to the top of the bottom plate 1, the distillation tank 2 being used for distillation and separation of acetone, a temperature detection sensor fixedly connected to the top of the distillation tank 2, a detection probe fixedly connected to the bottom of the temperature detection sensor, the detection probe extending to the inside of the distillation tank 2 at the bottom, being used for detecting the temperature of the adsorption liquid during distillation, the detection probe and the distillation tank 2 being fixedly connected through a sealing structure such as a sealing gasket or a sealing ring, the temperature detection sensor being a mature existing technology which will not be described here, the distillation tank 2 being provided with an adsorption recovery tank 3 at the top, the adsorption recovery tank 3 being used for spraying and adsorbing acetone, the distillation tank 2 being fixedly connected with a support rod at the top, the support rod being fixedly connected with the adsorption recovery tank 3 at the top; the adsorption recovery tank 3 being provided with a heating assembly at the bottom, the heating assembly comprising a coil 4 fixedly connected to the inner bottom of the distillation tank 2, a flow guide pipe 5 communicated with the top of the distillation tank 2, the flow guide pipe 5 being communicated with the adsorption recovery tank 3 at the top, being used for guiding the adsorption liquid for adsorbing acetone, an electromagnetic valve sleeved on one end of the flow guide pipe 5 close to the adsorption recovery tank 3, and a preheating pipe 6 fixedly connected to the surface of the flow guide pipe 5; the adsorption recovery tank 3 being provided with a granular impurity filtering assembly on one side, the granular impurity filtering assembly comprising a connecting cylinder 7 threadedly connected to one side of the adsorption recovery tank 3, the connecting cylinder 7 being provided with connecting threads on the surfaces of both ends, one end being convenient for threadedly connecting with the adsorption recovery tank 3, the other end being convenient for connecting with a tail gas discharge pipeline, and a filter screen 8 fixedly connected to the inside of the connecting cylinder 7.

[0028] Embodiment 2

[0029] Referring to Figures 1-5 , on the basis of embodiment 1, the inlet end of the coil pipe 4 extends to one side of the distillation tank 2, the outlet end of the coil pipe 4 extends to the top of the distillation tank 2 and is communicated with the preheating pipe 6, the surface of the inlet end of the coil pipe 4 is provided with a connecting thread, so that the coil pipe 4 is connected with an external heat source supply device, the inlet end and the outlet end of the coil pipe 4 are fixedly connected with the distillation tank 2 through sealing structures, so as to ensure the sealing property of the distillation tank 2, the inside top of the adsorption recovery tank 3 is fixedly connected with a spraying plate 9, the top of the spraying plate 9 is communicated with a connecting pipe 10, the top of the connecting pipe 10 extends to the top of the adsorption recovery tank 3, and the connecting pipe 10 is also fixedly connected with the adsorption recovery tank 3 through a sealing structure, the surface of the connecting pipe 10 is provided with a connecting thread for connecting an adsorption liquid supply device, one side of the adsorption recovery tank 3 is communicated with an exhaust pipe 11, the top of the exhaust pipe 11 is communicated with a reflux pipe 12, the reflux pipe 12 is communicated with the adsorption recovery tank 3, the top of the distillation tank 2 is communicated with a steam guide pipe 13, the surface of the steam guide pipe 13 is provided with a connecting thread for connecting an external condensing device, the top of the bottom plate 1 is provided with a mounting hole, the surfaces of the exhaust pipe 11 and the reflux pipe 12 are sleeved with electromagnetic valves, the top of the exhaust pipe 11 is fixedly connected with a gas detector 14, the bottom of the gas detector 14 is fixedly connected with a detection probe, the bottom of the detection probe extends to the inside of the exhaust pipe 11 and is used for detecting the content of acetone in the exhaust gas, the detection probe is also fixedly connected with the exhaust pipe 11 through a sealing structure, and the gas detector 14 is a mature technology and will not be repeated here, one side of the distillation tank 2 is communicated with a liquid discharge pipe, and the surface of the liquid discharge pipe is sleeved with a valve.

[0030] The working principle of the utility model is that: through the bottom plate 1 and mounting hole, the whole device is fixed in the position needed to use, makes the exhaust pipe and the connecting cylinder 7 connection, makes the adsorption liquid supply device and the connecting pipe 10 connection, makes the steam guide pipe 13 and the external condensing device connection, makes the external heat source gas supply device and the coil pipe 4 connection.

[0031] The exhaust gas enters the adsorption recovery tank 3 through the connecting cylinder 7, the filter screen 8 filters and removes particulate impurities, the spraying plate 9 sprays adsorption liquid to adsorb acetone in the exhaust gas, the treated exhaust gas is discharged through the exhaust pipe 11, the gas detector 14 detects the content of acetone in the exhaust gas, if it does not meet the standard, then the exhaust gas is introduced into the adsorption recovery tank 3 again for secondary adsorption through the reflux pipe 12.

[0032] The adsorption liquid for adsorbing acetone flows into the distillation tank 2 through the flow guide pipe 5, the built-in coil pipe 4 passes in hot gas to directly heat the adsorption liquid, the temperature detection sensor monitors the distillation temperature in real time, the hot gas completes heat exchange in the coil pipe 4 and then enters the preheating pipe 6 to preheat the adsorption liquid in the flow guide pipe 5, realizing heat energy recycling.

[0033] The adsorbed liquid after heating releases acetone vapor, enters an external condensing device through a vapor guide pipe 13, is condensed into liquid acetone, completes recovery and separation, and the residual liquid after distillation is discharged through a liquid discharge pipe.

[0034] The above only describes certain exemplary embodiments of the present application by way of illustration, without doubt, for ordinary skilled in the art, without departing from the spirit and scope of the present application, the described embodiments can be modified in various ways. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the present application.

Claims

1. An integrated device for efficient acetone recovery and separation, comprising a base plate (1), characterized in that: A distillation tank (2) is fixedly connected to the top of the base plate (1), and an adsorption recovery tank (3) is provided on the top of the distillation tank (2); The bottom of the adsorption recovery tank (3) is provided with a heating component, which includes a coil (4) fixedly connected to the bottom of the distillation tank (2), a guide pipe (5) connected to the top of the distillation tank (2), and a preheating pipe (6) fixedly connected to the surface of the guide pipe (5). A particulate impurity filtration assembly is provided on one side of the adsorption recovery tank (3). The particulate impurity filtration assembly includes a connecting cylinder (7) threaded to one side of the adsorption recovery tank (3) and a filter screen (8) fixedly connected inside the connecting cylinder (7).

2. The integrated device for high-efficiency acetone recovery and separation according to claim 1, characterized in that: The inlet end of the coil (4) extends to one side of the distillation tank (2), and the outlet end of the coil (4) extends to the top of the distillation tank (2) and is connected to the preheating pipe (6).

3. The integrated device for high-efficiency acetone recovery and separation according to claim 1, characterized in that: A spray plate (9) is fixedly connected to the top of the adsorption and recovery tank (3), and a connecting pipe (10) is connected to the top of the spray plate (9).

4. The integrated device for high-efficiency acetone recovery and separation according to claim 1, characterized in that: The adsorption recovery tank (3) is connected to an exhaust pipe (11) on one side, and a return pipe (12) is connected to the top of the exhaust pipe (11). The return pipe (12) is connected to the adsorption recovery tank (3).

5. The integrated device for high-efficiency acetone recovery and separation according to claim 1, characterized in that: The top of the distillation tank (2) is connected to a steam conduit (13), and the top of the bottom plate (1) is provided with an installation hole.

6. The integrated device for high-efficiency acetone recovery and separation according to claim 4, characterized in that: Solenoid valves are fitted on the surfaces of the exhaust pipe (11) and the return pipe (12), and a gas detector (14) is fixedly connected to the top of the exhaust pipe (11).

7. The integrated device for high-efficiency acetone recovery and separation according to claim 1, characterized in that: The distillation tank (2) is connected to a drain pipe on one side, and a valve is fitted on the surface of the drain pipe.

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