CN110975318A

CN110975318A - Epichlorohydrin receiving device

Info

Publication number: CN110975318A
Application number: CN201911359754.5A
Authority: CN
Inventors: 周学军; 李富轩; 李春来; 尹洪福
Original assignee: TIANJIN JINGDONG CHEMICAL COMPOUND MATERIALS CO LTD
Current assignee: TIANJIN JINGDONG CHEMICAL COMPOUND MATERIALS CO LTD
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-04-10

Abstract

The invention provides an epichlorohydrin receiving device which comprises a tank body, a spraying device, an air inlet pipe, an air outlet pipe, a water receiving tank and a gas collecting tank, wherein the air inlet pipe extends inwards from the outside of the tank body, the air inlet pipe is of a folding structure from top to bottom in the tank body, the air outlet pipe and the air inlet pipe are converged at the bottom of the tank body to form a gas-liquid mixing space, the bottom end of the gas-liquid mixing space is communicated with the air outlet pipe, the outer end of the air outlet pipe is connected with the gas collecting tank, the air outlet pipe is connected with a pump body on one section of the outer end. According to the invention, the gas inlet pipe is cooled by spraying through the spraying device, the epichlorohydrin is separated from the moisture, the formed water drops fall into the water receiving tank, and the dehydrated epichlorohydrin enters the gas collecting tank. The water storage tank is designed into an inverted L-shaped structure, so that the spray cooling is more uniform. The water in the water receiving tank can be used for spraying, recycling and saving resources.

Description

Epichlorohydrin receiving device

Technical Field

The invention relates to the field of epoxy chloropropane collection, in particular to an epoxy chloropropane receiving device.

Background

Epichlorohydrin is an organic compound, is mainly used for preparing epoxy resin, is also a stabilizer and a chemical intermediate of an oxygen-containing substance, is an important organic chemical raw material and a fine chemical product, and has wide application. In the process of preparing the epichlorohydrin, some moisture is often doped, so that the prepared epichlorohydrin is impure, the waste of raw materials is also caused, and the production cost is increased.

Disclosure of Invention

In view of the above, the present invention provides an epichlorohydrin receiving apparatus, which can solve the above problems.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

the utility model provides an epichlorohydrin receiving arrangement, including a jar body, spray set, intake pipe, outlet duct, outlet pipe, water receiving tank and gas collecting tank, the intake pipe stretches into from jar external inside, the intake pipe is the structure of turning back from top to bottom in jar internal, outlet duct and intake pipe join in the bottom of jar body, form the gas-liquid mixing space, the bottom in gas-liquid mixing space communicates the outlet pipe, outlet pipe connection water receiving tank, the outlet duct sets up and stretches out jar body one side from bottom to top, the gas collecting tank is connected to the outer end of outlet duct, the outlet duct is connected with the pump body on the section of the outer end of jar body, squeeze into gas in the gas collecting tank from the outlet;

the spraying device comprises a spray head and water storage tanks, the spray heads are uniformly distributed on the water storage tanks, each spray head is provided with an electromagnetic valve, the water storage tanks are of inverted L-shaped structures and are respectively fixed on the upper end of the tank body and one of the side walls, the spray heads spray towards the air inlet pipe and the air outlet pipe, and the water storage tanks are connected with water inlet pipes.

Furthermore, the water receiving tank is communicated with the water storage tank through a circulating pipe, the circulating pipe is connected with a circulating pump and an electromagnetic valve at a position close to the water receiving tank, and the electromagnetic valve is positioned between the circulating pump and the water receiving tank.

Further, the bottom surface in gas-liquid mixture space is the back taper, and the bottom of back taper is located to the outlet pipe.

Further, the water inlet pipe is arranged on the water storage tank at the upper end of the tank body.

Compared with the prior art, the epichlorohydrin receiving device has the following beneficial effects: spray cooling is carried out to the intake pipe through spray set, separates epoxy chloropropane and moisture, and the drop of water of formation falls into the water receiving tank, and the epichlorohydrin after the dehydration enters into in the gas collecting tank. The water storage tank is designed into an inverted L-shaped structure, so that the spray cooling is more uniform. The water in the water receiving tank can be used for spraying, recycling and saving resources.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

description of reference numerals:

1-a pump body; 2-a gas collection tank; 3-air outlet pipe; 4-tank body; 5-water inlet pipe; 6-a spray head; 7-a water storage tank; 8, an air inlet pipe; 9-a circulating pipe; 10-gas-liquid mixing space; 11-a water outlet pipe; 12-a water receiving tank; 13-a circulation pump; 14-drainage port.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1, an epichlorohydrin receiving device comprises a tank 4, a spraying device, an air inlet pipe 8, an air outlet pipe 3, an water outlet pipe 11, a water receiving tank 12 and a gas collecting tank 2, wherein the air inlet pipe 8 extends inwards from the outside of the tank 4, the air inlet pipe 8 is of a folded structure from top to bottom in the tank 4, the air outlet pipe 11 and the air inlet pipe 8 are converged at the bottom of the tank 4 to form a gas-liquid mixing space 10, the bottom end of the gas-liquid mixing space 10 is communicated with the water outlet pipe 11, the water outlet pipe 11 is connected with the water receiving tank 12, the air outlet pipe 3 is arranged from bottom to top and extends out of one side of the tank 4, the outer end of the air outlet pipe 3 is connected with the gas collecting tank 2, a pump body 1 is connected to one section;

the spraying device comprises a spray head 6 and a water storage tank 7, the spray heads 6 are uniformly distributed on the water storage tank 7, an electromagnetic valve is arranged on each spray head 6, the water storage tank 7 is of an inverted L-shaped structure and is fixed at the upper end of the tank body 4 and one of the side walls respectively, the spray heads 6 spray towards the air inlet pipe 8 and the air outlet pipe 3, and the water storage tank 7 is connected with an inlet pipe 5.

The water receiving tank 12 is communicated with the water storage tank 7 through a circulating pipe 9, the circulating pipe 9 is connected with a circulating pump 13 and an electromagnetic valve at a position close to the water receiving tank 12, and the electromagnetic valve is positioned between the circulating pump 13 and the water receiving tank 12. The water receiving tank 12 is further provided with an additional drainage pipeline for draining water in the water receiving tank 12, which is not shown in the drawings and is not intended to be protected by the present disclosure.

The bottom surface of the gas-liquid mixing space 10 is an inverted conical surface, and the water outlet pipe 11 is arranged at the bottom end of the inverted conical surface.

The water inlet pipe 5 is arranged on the water storage tank 7 at the upper end of the tank body 4.

During the use, when the mist of the higher epichlorohydrin of temperature mix with vapor got into intake pipe 8, spray set spun water fell on the intake pipe 8 surface, cooled off it, and the refrigerated in-process, vapor had become liquid, and epichlorohydrin still keeps the gaseous state, reentrants gas-liquid mixture space 10, and water receiving tank 12 drains moisture, and is in gas collection tank 2 is inhaled through outlet duct 3 with pure gaseous epichlorohydrin again by pump body 1. The tank 4 is further provided with a water outlet 14 at the position of the water outlet pipe 11, the caliber of the water outlet 14 is larger than the outer diameter of the water outlet pipe 11, and water in the tank 4 is discharged through the water outlet 14. The water in the water receiving tank 12 can be recycled and pumped into the water storage tank 7 through the circulating pump 13.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. An epichlorohydrin receiving device which is characterized in that: comprises a tank body (4), a spraying device, an air inlet pipe (8), an air outlet pipe (3), a water outlet pipe (11), a water receiving tank (12) and a gas collecting tank (2), the gas inlet pipe (8) extends inwards from the outside of the tank body (4), the gas inlet pipe (8) is of a folding structure from top to bottom in the tank body (4), the gas outlet pipe (11) and the gas inlet pipe (8) are converged at the bottom of the tank body (4) to form a gas-liquid mixing space (10), the bottom end of the gas-liquid mixing space (10) is communicated with the water outlet pipe (11), the water outlet pipe (11) is connected with the water receiving tank (12), the gas outlet pipe (3) is arranged from bottom to top and extends out of one side of the tank body (4), the outer end of the gas outlet pipe (3) is connected with the gas collecting tank (2), the gas outlet pipe (3) is connected with, gas is pumped into the gas collecting tank (2) from the gas outlet pipe (3) through the pump body (1);

spray set includes shower nozzle (6) and storage water tank (7), and shower nozzle (6) equipartition all is equipped with the solenoid valve on every shower nozzle (6) on storage water tank (7), and storage water tank (7) are the L column structure of invering, fix respectively on jar body (4) upper end and one of them lateral wall, and shower nozzle (6) spray towards the direction of intake pipe (8) and outlet duct (3), connect inlet tube (5) on storage water tank (7).

2. The epichlorohydrin receiving apparatus according to claim 1, wherein: the water receiving tank (12) is communicated with the water storage tank (7) through a circulating pipe (9), the circulating pipe (9) is connected with a circulating pump (13) and an electromagnetic valve at a position close to the water receiving tank (12), and the electromagnetic valve is positioned between the circulating pump (13) and the water receiving tank (12).

3. The epichlorohydrin receiving apparatus according to claim 1 or 2, characterized in that: the bottom surface of the gas-liquid mixing space (10) is an inverted conical surface, and the water outlet pipe (11) is arranged at the bottom end of the inverted conical surface.

4. The epichlorohydrin receiving apparatus according to claim 1, wherein: the water inlet pipe (5) is arranged on the water storage tank (7) at the upper end of the tank body (4).