CN209254158U - An energy-saving and environmentally friendly distillation still - Google Patents

Abstract

The utility model discloses an energy-saving and environment-friendly distillation still. It solves the problem of long distillation heating time in the existing distillation still. A heating tube is embedded on the inner wall of the shell; a heat exchange cylinder is fixed on the top of the shell and the heat exchange cylinder is communicated with the interior of the shell; an air outlet pipe is arranged inside the heat exchange cylinder; one end of the air outlet pipe It runs through the heat exchange cylinder and is connected with a condenser; the other end of the air outlet pipe extends into the shell and is connected with a gas collecting cover; a spiral guide plate is fixedly connected between the peripheral side of the air outlet pipe and the inner wall of the heat exchange cylinder; in the heat exchange cylinder A first catheter is communicated with the upper part. The temperature is pre-heated through the heat exchange of the mixed solution of the heat exchange cylinder, the gas outlet pipe and the spiral guide plate, which reduces the distillation heating time of the mixed solution inside the shell and improves the utilization rate of heat energy. At the same time, the condensation time of the condenser is reduced.

Description

An energy-saving and environmentally friendly distillation still

technical field

The utility model relates to a fractionation tower with movable elements or centrifugal motion in the tower, in particular to an energy-saving and environment-friendly distillation still.

Background technique

The distillation still is a device that utilizes the difference in the boiling points of the components in the mixed solution to vaporize the desired fractions by heating, and then collect them by condensation. And the still is widely used in the processing and purification of various products such as coatings, medicines, adhesives, etc., to purify the raw materials and remove moisture and other impurities whose boiling points are lower than the raw materials.

The existing distillation kettle is completely provided with heat energy by a heating device, and the condenser condenses the high-temperature steam without secondary utilization of the high-temperature steam, resulting in a large amount of energy loss and low heat energy utilization rate.

SUMMARY OF THE INVENTION

In order to overcome the shortcoming that the existing distillation still has a long distillation heating time, the purpose of the utility model is to provide an energy-saving and environmentally friendly distillation still with a short distillation heating time.

The technical scheme adopted by the utility model to solve the technical problem is as follows: an energy-saving and environment-friendly distillation still, which comprises a shell, and a support frame is fixed on the top of the shell; The motor, the output shaft of the servo motor drives a stirring device extending into the shell; it is characterized in that: a heating pipe is embedded on the inner wall of the shell; a heat exchange is fixed on the top of the shell The heat exchange cylinder is communicated with the inside of the shell; an air outlet pipe is arranged inside the heat exchange cylinder; one end of the air outlet pipe penetrates the heat exchange cylinder and is connected with a condenser; The other end of the gas pipe extends into the shell and is connected with a gas collecting cover; a spiral guide plate is fixedly connected between the peripheral side surface of the gas outlet pipe and the inner wall of the heat exchange cylinder; the heat exchange cylinder is connected with a first catheter.

Preferably, a liquid storage tank is provided on an outer side of the casing; a water pump is provided on the top of the liquid storage tank; a second liquid conduit is connected to the water inlet end of the water pump; The second liquid conduit runs through the liquid storage tank and extends to the inner bottom of the liquid storage tank; the water outlet end of the water pump is communicated with the first liquid conduit.

Preferably, an auxiliary heating pipe is arranged in the liquid storage tank.

Preferably, a water inlet is provided on the outer side of the liquid storage tank; and a sealing cover is provided in the water inlet.

Preferably, the stirring device includes a stirring shaft and a stirring rod, and the stirring shaft is rotatably supported inside the casing and is connected with the output shaft of the servo motor; the stirring rods are connected in a uniform array to the stirring rods. On the peripheral side of the shaft; a scraper matched with the inner wall of the casing is fixedly connected to one end of the stirring rod away from the stirring shaft.

Preferably, the bottom of the casing is in a conical structure; a slag discharge pipe is communicated with the bottom of the casing; and a valve is provided on the slag discharge pipe.

Preferably, an observation window is provided on the peripheral side of the casing.

Preferably, several supporting legs are fixedly connected to the bottom of the casing.

Through the combined design of the heat exchange cylinder, the air outlet pipe and the spiral guide plate, the utility model utilizes high-temperature steam to exchange heat with the mixed solution, pre-heats the mixed solution, and reduces the distillation heating time of the mixed solution inside the shell. At the same time, the mixed solution exchanges the heat of the steam in the gas pipe, which reduces the temperature of the steam and reduces the condensation time of the condenser.

Description of drawings

Fig. 1 is a structural perspective view of an embodiment of the present invention;

Fig. 2 is a kind of structural sectional schematic diagram of the present utility model;

Fig. 3 is a partial enlarged view at A in Fig. 2;

4 is a perspective view of the structure of the stirring device of the present invention.

Labels in the figure: 1. Shell, 2. Stirring device, 201. Stirring shaft, 202. Stirring rod, 203. Scraper, 3. Support frame, 4. Servo motor, 5. Heating tube, 6. Heat exchange cylinder, 7. Air outlet pipe, 8. Condenser, 9. Gas collecting hood, 10. Spiral guide plate, 11. First liquid conduit, 12. Liquid storage tank, 1201. Water inlet, 1202. Sealing cover, 13. Water pump, 14 .Second catheter, 15. Auxiliary heating pipe, 16. Slag discharge pipe, 17. Valve, 18. Observation window, 19. Supporting legs.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments.

As shown in FIG. 1 , an energy-saving and environment-friendly distillation still includes a shell 1 .

In FIGS. 1 and 2 , a support frame 3 is welded on the top of the casing 1 . A servo motor 4 is mounted on the bottom of the support frame 3 . The servo motor 4 is conventionally electrically connected to an external power source.

As shown in FIG. 2 , the output shaft of the servo motor 4 drives a stirring device 2 extending into the casing 1 .

It should be noted that, as shown in FIGS. 2 and 4 , the stirring device 2 includes a stirring shaft 201 and a stirring rod 202 . In FIGS. 2 and 4 , the stirring shaft 201 is rotatably supported inside the housing 1 through a bearing, and the stirring shaft 201 and the output shaft of the servo motor 4 are connected in a transmission through a coupling. The stirring rods 202 are welded in a uniform array on the peripheral side of the stirring shaft 201 , and a scraper 203 matched with the inner wall of the casing 1 is welded on the end of the stirring rod 202 away from the stirring shaft 201 . The scraper 203 scrapes off the soft scale adhering to the inner wall of the shell 1 of the still, so as to avoid scaling on the inner wall of the shell 1, reduce the number of maintenance and cleaning of the still, and ensure the continuity of distillation production.

In FIG. 2 , a heating tube 5 is embedded in the inner wall of the casing 1 . The heating tube 5 is conventionally electrically connected to an external power source, which can heat the mixed material inside the shell 1 of the still, and improve the distillation effect of the still.

As shown in FIGS. 1 and 2 , a heat exchange cylinder 6 is welded on the top of the casing 1 , and the heat exchange cylinder 6 communicates with the interior of the casing 1 . A first liquid conduit 11 is communicated with the heat exchange cylinder 6 .

In FIG. 2 , an air outlet pipe 7 is provided inside the heat exchange cylinder 6 .

In FIGS. 1 and 2 , one end of the gas outlet pipe 7 penetrates the heat exchange cylinder 6 and communicates with the condenser 8 . The condenser 8 is mounted on the top of the housing 1 and is conventionally electrically connected to an external power source. The other end of the air outlet pipe 7 extends into the casing 1 and is connected with a gas collecting cover 9 .

In FIG. 2 , a spiral guide plate 10 is fixedly welded between the peripheral side surface of the gas outlet pipe 7 and the inner wall of the heat exchange cylinder 6 .

As shown in FIG. 1 and FIG. 2 , a liquid storage tank 12 is provided on an outer surface of the casing 1 . A water pump 13 is assembled on the top of the liquid storage tank 12, and the water pump is conventionally electrically connected to an external power source. In FIG. 2 , a second liquid conduit 14 is connected to the water inlet end of the water pump 13 . The second liquid conduit 14 penetrates the liquid storage tank 12 and extends to the inner bottom of the liquid storage tank 12 . In FIGS. 1 and 2 , the water outlet end of the water pump 13 is communicated with the first liquid conduit 11 .

In order to raise the temperature of the mixed solution in advance, as shown in FIG. 2 , an auxiliary heating pipe 15 is provided in the liquid storage tank 12 . The auxiliary heating tube 15 is conventionally electrically connected to an external power source.

In order to add the mixed solution to the liquid storage tank 12 , as shown in FIG. 1 and FIG. 2 , a water inlet 1201 is provided on the outer side of the liquid storage tank 12 ; a sealing cover 1202 is provided in the water inlet 1201 .

In order to collect and discharge the residues inside the body, as shown in Figures 1 and 2, the bottom of the casing 1 is a conical structure. A slag discharge pipe 16 is communicated with the bottom of the casing 1 ; a valve 17 is provided on the slag discharge pipe 16 .

In order to facilitate viewing of the distillation situation in the casing, as shown in FIG. 1 , an observation window 18 is provided on the peripheral side surface of the casing 1 .

In order to support the work of the still, as shown in FIG. 1 , three support legs 19 are welded on the bottom of the casing 1 .

A specific application of this embodiment is: the mixed solution in the liquid storage tank 12 is transported into the air outlet pipe 7 through the second liquid conduit 14 and the first liquid conduit 11 by the water pump 13 , and the mixed solution flows on the spiral guide plate 10 Entering the inside of the shell 1, because the air outlet pipe 7, the spiral guide plate 10 and the heat exchange cylinder 6 are preheated when the high temperature steam is exported from the air outlet pipe 7, the mixed solution is in contact with the spiral guide plate 10. Heat exchange is performed to preheat the mixed solution. , so the preheated mixed solution entering the shell 1 further shortens the distillation heating time. At the same time, the heat exchange of the mixed solution reduces the temperature of the steam in the outlet pipe 7 and reduces the condensation time of the condenser. The output shaft of the servo motor 4 drives the stirring shaft 201, and drives the stirring rod 202 to stir the preheated mixed solution and the material. The scraper 203 scrapes off the soft scale adhered to the inner wall of the shell 1, and discharges it through the slag discharge pipe 16. , reducing the number of maintenance and cleaning of the distillation still.

The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details, nor do they limit the invention to only the described embodiments. Obviously, many modifications and variations are possible in light of the content of this specification. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Claims (8)

1. An energy-saving and environment-friendly distillation kettle, which comprises a casing, and a support frame is fixed on the top of the casing; a servo motor is provided on the support frame, and the output shaft of the servo motor drives an extension It is characterized in that: a heating pipe is embedded on the inner wall of the casing; a heat exchange cylinder is fixed on the top of the casing, and the heat exchange cylinder and the casing are in contact with each other. Internal communication; an air outlet pipe is arranged inside the heat exchange cylinder; one end of the air outlet pipe penetrates the heat exchange cylinder and is connected with a condenser; the other end of the air outlet pipe extends into the shell and is connected with a collector an air hood; a spiral guide plate is fixedly connected between the peripheral side surface of the air outlet pipe and the inner wall of the heat exchange cylinder; a first liquid conduit is communicated with the heat exchange cylinder. 2. An energy-saving and environment-friendly distillation still according to claim 1, characterized in that: a liquid storage tank is provided on an outer side of the casing; a water pump is provided on the top of the liquid storage tank The water inlet end of the water pump is communicated with a second conduit pipe; the second conduit pipe runs through the liquid storage tank and extends to the inner bottom of the liquid storage tank; the water outlet end of the water pump is connected to the first conduit The liquid pipe is connected. 3. An energy-saving and environment-friendly distillation still according to claim 2, characterized in that: an auxiliary heating pipe is arranged in the liquid storage tank. 4. An energy-saving and environment-friendly distillation still according to claim 2, characterized in that: a water inlet is arranged on the outer surface of the liquid storage tank; and a sealing cover is arranged in the water inlet. 5. An energy-saving and environment-friendly distillation still according to claim 1, characterized in that: the stirring device comprises a stirring shaft and a stirring rod, and the stirring shaft is rotatably supported inside the shell and is connected with the The output shaft of the servo motor is connected by transmission; the stirring rods are connected in a uniform array on the peripheral side of the stirring shaft; and the end of the stirring rod far from the stirring shaft is fixedly connected with a scraper matched with the inner wall of the casing. 6. An energy-saving and environment-friendly distillation still according to claim 1, characterized in that: the bottom of the shell is in a conical structure; a slag discharge pipe is communicated with the bottom of the shell; The slag discharge pipe is provided with a valve. 7 . The energy-saving and environment-friendly distillation still according to claim 1 , wherein an observation window is provided on the peripheral side of the casing. 8 . 8 . The energy-saving and environment-friendly distillation still according to claim 1 , wherein a plurality of supporting legs are fixedly connected to the bottom of the casing. 9 .