CN220513450U - Chemical rectifying tower capable of collecting various rectifying products - Google Patents

Abstract

The chemical rectifying tower capable of collecting various rectifying products is characterized by comprising a tower body, a primary distillation chamber, a stop valve, a multistage distillation chamber, a filling pipe, a discharging pipe, a circulating pump, wherein the upper end of the tower body is connected with the primary distillation chamber; the inclined plate and the L-shaped plate in the primary distillation chamber realize continuous twice distillation of the mixture, so that the gas-liquid separation efficiency is improved, and the rectification product separated by the condenser is purer; the left heating box and the right heating box in the multistage distillation chamber are set to be at different temperatures to respectively extract rectification products, so that the chemical production efficiency is improved, the extraction amount is increased by circulating distillation, and the material content in the finally discharged tailings is reduced.

Description

Chemical rectifying tower capable of collecting various rectifying products

Technical Field

The utility model relates to the technical field of chemical industrial equipment, in particular to a chemical rectifying tower capable of collecting various rectifying products.

Background

The rectifying tower is a tower type gas-liquid contacting device for rectification, is also a mass and heat transfer device which is widely applied in petrochemical production, and is often required to obtain products with high purity in petrochemical production.

In the use process of the existing rectifying tower for chemical industry, the problems of poor gas-liquid separation effect and poor separation efficiency exist, and the discharged tailing also contains chemical substances which are not separated, so that resource waste is caused. Besides, the existing rectifying tower for chemical production has single separation and extraction products, and needs more time and cost for the technical process of rectifying for multiple times when different types of rectifying products are needed to be obtained for the same mixture, and the chemical production efficiency is seriously affected.

Disclosure of Invention

According to the technical problems, the utility model provides a chemical rectifying tower capable of collecting various rectifying products, which is characterized by comprising a tower body, a primary distillation chamber, a stop valve, a multi-stage distillation chamber, a filling pipe, a discharging pipe and a circulating pump, wherein the upper end of the tower body is internally connected with the primary distillation chamber, a discharge port of the primary distillation chamber is connected with a feed inlet at the bottom end of the multi-stage distillation chamber through the stop valve, the multi-stage distillation chamber is arranged in the lower end of the tower body, the feed inlet at one side of the upper end of the tower body is connected with the filling pipe, a discharge port of the multi-stage distillation chamber is connected with the discharging pipe through the stop valve, the discharging pipe is connected with a liquid inlet of the circulating pump, a liquid outlet of the circulating pump is connected with the primary distillation chamber through a pipeline,

the primary distillation chamber consists of a first heating box, a first electric heating wire, a sloping plate, an L-shaped plate, a baffle, an air outlet pipe and a first condenser, wherein a discharge hole arranged at the bottom end of the first heating box is connected with a stop valve, the first electric heating wire is arranged in the lower end of the first heating box, the two sides of the middle position of the lower end of the first heating box are fixedly connected with the L-shaped plate, the top end of the heating box is fixedly connected with the sloping plate, the upper side of the sloping plate is fixedly connected with the baffle, an air outlet pipe is connected with an air outlet arranged on the baffle, and the air outlet pipe is connected with the first condenser,

the multistage distillation chamber consists of a left heating box, a right heating box, electric heating wires, a condenser and a heat insulation plate, wherein the left heating box is fixed on the left side in the tower body, the right heating box is fixed on the right side in the tower body, the air outlet of the left heating box and the air outlet of the right heating box are connected with the condenser through pipelines, the electric heating wires are arranged in the left heating box and the right heating box, the heat insulation plate is arranged between the left heating box and the right heating box,

specifically, the bottom of first heating cabinet is "W" type structure.

Specifically, the feed inlet department on the left heating cabinet and the feed inlet on the right heating cabinet are all connected with the discharge gate position of first heating cabinet bottom through the stop valve.

Specifically, the discharge gate department on the left heating cabinet and the discharge gate on the right heating cabinet are all connected with row material pipe through the stop valve.

The utility model has the beneficial effects that:

according to the utility model, the inclined plate and the L-shaped plate are added in the primary distillation chamber to divide the primary distillation chamber into the first distillation chamber and the second distillation chamber, so that the mixture in the primary distillation chamber is continuously distilled twice, the gas-liquid separation efficiency is improved, the gas-liquid separation effect is enhanced, and the rectification product separated by the condenser is purer;

according to the utility model, the multistage distillation chamber is added in the lower end of the tower body, the left heating box and the right heating box can be set to different temperatures, the mixed solution after the first distillation in the primary distillation chamber flows into the distillation chamber arranged at the lower end of the tower body respectively, different rectification products are obtained under the distillation of different heating temperatures, the chemical production efficiency is improved, the extraction amount is increased by cyclic distillation, and the material content in the finally discharged tailing is reduced.

Drawings

FIG. 1 is a schematic diagram showing the inside of the whole structure of a chemical rectifying tower capable of collecting various rectifying products; description of the drawings: 1. the tower body, 2, a first heating box, 200, a first electric heating wire, 21, a L-shaped plate, 22, an inclined plate, 23, a baffle plate, 24, an air outlet pipe, 25, a first condenser, 3, a left heating box, 4, a right heating box, 5, a filler pipe, 6, a discharge pipe, 7, a circulating pump, 8, an electric heating wire, 9, a heat insulation plate, 10, a condenser and 11, a stop valve.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Example 1

As shown in fig. 1, the first heating box 2 is fixedly installed at the upper end in the tower body 1, the first heating box 2 is the first electric heating wire 200 of installation that is arranged in the bottom inside of "W" structure, the both sides of the intermediate position of the bottom of the first heating box 2 are fixed connection L template 21 respectively, the top and the swash plate 22 fixed connection of first heating box 2, the fixed baffle 23 of swash plate 22 upside, the gas outlet department that sets up on the baffle 23 is connected with first condenser 25 through outlet duct 24, the discharge gate that sets up on the bottom of first heating box 2 is connected with the feed inlet of the left heating box 3 and the right heating box 4 that the inside lower extreme of tower body 1 was installed respectively through stop valve 11, the gas outlet of left heating box 3 and the inside installation electric heating wire 8 that is arranged in right heating box 4 all are all through pipe connection condenser 10, be provided with between left heating box 3 and right heating box 4, prevent that the inconsistent temperature of left and right heating box from producing the influence each other, the discharge gate that sets up on left heating box 3 and the right heating box 4 all is connected with discharge pipe 6 through stop valve 11 and discharge pipe 6, 7 is connected with first heat insulating board 2 through heat insulating board 7.

Example 2

When the utility model is used, the primary distillation chamber is divided into a first distillation cavity and a second distillation cavity by the inclined plate 22 and the L-shaped plate 21 in the first heating box 2, so that the mixture in the primary distillation chamber is continuously distilled twice, the material enters the first heating box 2 through the filling pipe 5, the heated and separated gas rises to the inclined plate 22, moves to the second distillation cavity consisting of the L-shaped plate 21 and the middle bulge position of the first heating box 2 along the inclined plate 22, and is subjected to distillation for the second gas-liquid separation, the gas-liquid separation efficiency can be well improved, the gas-liquid separation effect is enhanced, the outlet arranged in the middle of the baffle 23 for the second separation enters the first condenser 25 for separation, and the rectification product separated by the continuous distillation twice is purer;

products discharged from the first heating box 2 respectively enter a left heating box 3 and a right heating box 4 at the lower end of the tower body 1, the two heating boxes can be set to different temperatures to reach the separation boiling points of different products, and the separated gases are liquefied and discharged through the condenser 10, so that various products can be extracted, and the chemical production efficiency is effectively improved; the product discharged after distillation of the two heating boxes enters the first heating box 2 through the discharge pipe 6 and the circulating pump 7, so that the extraction amount of the collected matters is increased by realizing circulating distillation, and the material content in the finally discharged tail material is reduced.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. Various components mentioned in the present utility model are common in the art, and it should be understood by those skilled in the art that the present utility model is not limited by the above embodiments, and the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications can be made in the present utility model without departing from the spirit and scope of the utility model, which is defined in the claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (3)

1. Can collect chemical industry rectifying column of multiple rectification product, its characterized in that includes tower body, elementary distillation room, stop valve, multistage distillation room, filling tube, row's material pipe, circulating pump, the elementary distillation room of tower body upper end internal connection, the discharge gate department of elementary distillation room is connected with the feed inlet of multistage distillation room bottom through the stop valve, elementary distillation room comprises first heating cabinet, first electric heating wire, swash plate, L template, baffle, outlet duct and first condenser, the discharge gate department that first heating cabinet bottom set up connects the stop valve, the inside of first heating cabinet lower extreme is the first electric heating wire of installation of arranging, the both sides fixed connection L template of lower extreme intermediate position of first heating cabinet, heating cabinet top and swash plate fixed connection, multistage distillation room department connection outlet duct that sets up on the baffle, the outlet duct is connected with first condenser, multistage distillation room is installed in the lower extreme inside of tower body, feed inlet department connection of tower body upper end one side is the first electric heating wire, the discharge gate department is connected with the circulating pump, the discharge gate is connected through the filling tube.

2. The chemical rectifying tower capable of collecting various rectifying products according to claim 1, wherein the multi-stage distillation chamber is composed of a left heating box, a right heating box, electric heating wires, a condenser and a heat insulation plate, the left heating box is fixed on the left side of the inside of the tower body, the right heating box is fixed on the right side of the inside of the tower body, the air outlet of the left heating box and the air outlet of the right heating box are connected with the condenser through pipelines, the electric heating wires are arranged in the left heating box and the right heating box, and the heat insulation plate is arranged between the left heating box and the right heating box.

3. The chemical rectifying tower capable of collecting a plurality of rectifying products according to claim 1, characterized in that the bottom end of the first heating box is in a W-shaped structure.