CN215693011U

CN215693011U - Caprolactam purification equipment

Info

Publication number: CN215693011U
Application number: CN202122001725.0U
Authority: CN
Inventors: 赵德金; 訾文礼; 王建; 张明; 封金库
Original assignee: Shandong Yake Environmental Protection Technology Co ltd
Current assignee: Shandong Yake Environmental Protection Technology Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-02-01
Anticipated expiration: 2031-08-24

Abstract

The utility model discloses caprolactam purification equipment, which belongs to the technical field of caprolactam purification, and comprises a first box body, a second box body and a third box body, and further comprises: the input end of the first air pump is communicated with the first box body, and the output end of the first air pump is communicated with the second box body; a fifth pipeline which communicates the side wall of the second tank with the side wall of the third tank; the filter layer is connected in the third box body and is positioned above the joint of the fifth pipeline and the third box body; wherein, water is arranged in the second box body; the first box body is sleeved on the purification equipment body, and the side wall of the first box body is provided with an air inlet net; compared with the existing purification equipment in the current market, the caprolactam purification equipment has the advantages that once leakage occurs, gas containing caprolactam enters the second box body and is fully mixed with water, the leaked caprolactam is retained in the second box body, then the gas enters the third box body and is discharged after being filtered again by the filter layer.

Description

Caprolactam purification equipment

Technical Field

The utility model relates to the technical field of caprolactam purification, in particular to caprolactam purification equipment.

Background

Caprolactam is white powder or crystal in appearance and has oily hand feeling, is one of important organic chemical raw materials, and is mainly used for generating polyamide chips through polymerization and further processing into nylon fibers, engineering plastics and plastic films.

The purification of caprolactam is one of the most important processes in caprolactam processing, and once caprolactam is released into the surrounding air in the purification process, the caprolactam is a toxic substance, which can pose a great health threat to workers.

However, in the existing caprolactam purification equipment in the market, when caprolactam is emitted into the ambient air in the working process, no protective measures are taken, so that the safety of workers is not guaranteed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that in the prior art, when caprolactam is diffused into ambient air, no protective measures are taken, so that safety guarantee of workers is not provided, and the like.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a caprolactam purification equipment, includes first box, second box and third box, still includes: the input end of the first air pump is communicated with the first box body, and the output end of the first air pump is communicated with the second box body; a fifth pipeline which communicates the side wall of the second tank with the side wall of the third tank; the filter layer is connected in the third box body and is positioned above the joint of the fifth pipeline and the third box body; wherein, water is arranged in the second box body; the first box body is sleeved on the purification equipment body, and an air inlet net is arranged on the side wall of the first box body.

In order to realize that the negative pressure is formed in the first box, it is preferred that the top of the first box is provided with a first air inlet cover, the first air inlet cover is communicated with the input end of the first air pump through a first pipeline, the output end of the first air pump is communicated with the side wall of the second box through a second pipeline, and a one-way valve is arranged in the second pipeline.

In order to stir the water in the second box body, it is preferable that a rotating shaft is rotatably connected in the second box body, and blades are arranged on the rotating shaft.

In order to improve the water stirring amplitude in the second box body, further, be equipped with the motor on the second box body, the output of motor is connected with the dwang, the dwang is located the second box body.

In order to improve the contact time of water and gas, preferably, the output end of the motor is connected with a crankshaft, the top of the second box body is connected with a piston assembly, the piston assembly is connected with the crankshaft in a rotating manner, a third pipeline is connected between the piston assembly and the bottom of the second box body, a spray head is arranged on the inner wall of the top of the second box body, a fourth pipeline is connected between the spray head and the piston assembly, and one-way valves are arranged in the fourth pipeline and the third pipeline.

In order to filter the moisture in the gas, it is preferable that a dehumidifying plate is arranged in the third box body and located at the bottom of the filtering layer, the dehumidifying plate is designed in an inclined mode, the bottom of the third box body is designed in an inclined mode, a sixth pipeline is connected to the lower end of the bottom of the third box body, and an electromagnetic valve is arranged on the sixth pipeline.

In order to improve the gas exhaust efficiency, preferably, a second air pump is arranged at the top of the third box body, a second air inlet cover is arranged on the inner wall of the top of the third box body, and the output end of the second air pump is communicated with the second air inlet cover.

In order to improve the stability, preferably, the air pump further comprises a bottom plate, and the first box, the first air pump, the second box and the third box are all fixedly connected to the bottom plate.

Compared with the prior art, the utility model provides caprolactam purification equipment, which has the following beneficial effects:

this caprolactam purification equipment through first air pump, makes and forms the negative pressure around the purification equipment body, in case the emergence is revealed, caprolactam also can not fly away in the air, ensures staff's safety.

Compared with the existing purification equipment in the current market, the caprolactam purification equipment has the advantages that once leakage occurs, gas containing caprolactam enters the second box body and is fully mixed with water, the leaked caprolactam is retained in the second box body, then the gas enters the third box body and is discharged after being filtered again by the filter layer.

Drawings

FIG. 1 is a schematic structural diagram of a caprolactam purification apparatus proposed in the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1 of a caprolactam purification apparatus according to the present invention;

FIG. 3 is an enlarged view of portion B of FIG. 1 of a caprolactam purification apparatus according to the present invention;

FIG. 4 is a front view of a caprolactam purification apparatus according to the present invention.

In the figure: 1. a base plate; 2. a first case; 201. a purification equipment body; 202. an air intake network; 3. a first inlet cowl; 301. a first conduit; 302. a first air pump; 303. a second conduit; 4. a second case; 401. a rotating shaft; 402. a blade; 5. a motor; 501. rotating the rod; 6. a piston assembly; 601. a crankshaft; 602. a third pipeline; 603. a fourth conduit; 604. a spray head; 7. a third box body; 701. a fifth pipeline; 8. a dehumidification plate; 801. a sixth pipeline; 9. a filter layer; 901. a second inlet cowl; 902. a second air pump.

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1-4, a caprolactam purification apparatus comprises a first box 2, a second box 4 and a third box 7, and further comprises: the input end of the first air pump 302 is communicated with the first box body 2, and the output end of the first air pump is communicated with the second box body 4; a fifth pipe 701 for communicating the side wall of the second casing 4 with the side wall of the third casing 7; the filter layer 9 is connected in the third box body 7 and is positioned above the joint of the fifth pipeline 701 and the third box body 7; wherein, water is arranged in the second box body 4; the first box body 2 is sleeved on the purifying equipment body 201, and an air inlet net 202 is arranged on the side wall.

During operation, purify caprolactam through purification equipment body 201, meanwhile, start first air pump 302, make the interior negative pressure that forms of first box 2, in case caprolactam reveals, in the gas entering second box 4 that contains caprolactam, through the water in the second box 4, drench caprolactam, can not fly away along with the air, then in gas gets into third box 7 through fifth pipeline 701, discharge after filter layer 9 filters.

The filter layer 9 contains activated carbon.

Example 2:

referring to fig. 1-4, on the basis of example 1, further,

the top of the first box body 2 is provided with a first air inlet cover 3, the first air inlet cover 3 is communicated with the input end of a first air pump 302 through a first pipeline 301, the output end of the first air pump 302 is communicated with the side wall of the second box body 4 through a second pipeline 303, and a one-way valve is arranged in the second pipeline 303.

The first air pump 302 is activated and the first air pump 302 creates a negative pressure at the first inlet hood 3 through the first conduit 301, the gas first entering the first tank 2 through the inlet network 202.

Example 3:

referring to fig. 1-4, on the basis of example 2, further,

a rotating shaft 401 is rotatably connected to the second casing 4, and blades 402 are provided on the rotating shaft 401.

The second box 4 is provided with a motor 5, the output end of the motor 5 is connected with a rotating rod 501, and the rotating rod 501 is positioned in the second box 4.

When the gas enters the second box 4 through the second pipeline 303, the blade 402 is driven to rotate, and the mixing speed of the gas and the water is improved.

The motor 5 is started, and the motor 5 drives the rotating rod 501 to rotate, so that the mixing speed of the gas and the water is further improved.

Example 4:

referring to fig. 1-4, on the basis of example 3, further,

the output end of the motor 5 is connected with a crankshaft 601, the top of the second box body 4 is connected with a piston assembly 6, the piston assembly 6 is rotatably connected with the crankshaft 601, a third pipeline 602 is connected between the bottom of the piston assembly 6 and the bottom of the second box body 4, a spray head 604 is arranged on the inner wall of the top of the second box body 4, a fourth pipeline 603 is connected between the spray head 604 and the piston assembly 6, and one-way valves are arranged in the fourth pipeline 603 and the third pipeline 602.

The motor 5 drives the piston assembly 6 to move through the crankshaft 601, water at the bottom of the second box body 4 is sprayed out through the spray head 604 in a spraying mode, the mixing speed of gas and water is further improved, caprolactam is wetted and is retained in the second box body 4.

The piston assembly 6 includes a piston cylinder, a piston plate slidably connected in the piston cylinder, and a piston rod rotatably connected to the piston plate.

The piston assembly 6 is rotatably connected to the crankshaft 601, that is, one end of the piston rod away from the piston plate is sleeved on the crankshaft 601, similar to the cooperation among the crankshaft 601, the piston rod and the piston cylinder in the internal combustion engine.

The piston assembly 6 moves, that is, the piston rod drives the piston plate to slide back and forth.

Example 5:

referring to fig. 1-4, on the basis of example 4, further,

be equipped with dehumidification board 8 in the third box 7, dehumidification board 8 is located filter layer 9 bottom, and dehumidification board 8 is the slope design, and third box 7 bottom is the slope design, and the lower one end in third box 7 bottom is connected with sixth pipeline 801, is equipped with the solenoid valve on the sixth pipeline 801.

The top of the third box 7 is provided with a second air pump 902, the inner wall of the top of the third box 7 is provided with a second air inlet cover 901, and the output end of the second air pump 902 is communicated with the second air inlet cover 901.

The air-conditioning system further comprises a bottom plate 1, and the first box body 2, the first air pump 302, the second box body 4 and the third box body 7 are fixedly connected to the bottom plate 1.

After being filtered by water in the second box 4, the air enters the third box 7 through the fifth pipeline 701, enters the top of the third box 7 after being filtered by the filter layer 9 after being filtered by the dehumidification plate 8, starts the second air pump 902, and improves the filtering speed of the filter layer 9 through the second air pump 902.

The bottoms of the dehumidification plates 8 and the third box body 7 are both designed to be inclined, so that water filtered by the dehumidification plates 8 can be conveniently discharged through the sixth pipeline 801.

The above description is only for convenience of the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. Caprolactam purification equipment comprises a first box body (2), a second box body (4) and a third box body (7), and is characterized by further comprising:

the input end of the first air pump (302) is communicated with the first box body (2), and the output end of the first air pump is communicated with the second box body (4);

a fifth pipeline (701) which enables the side wall of the second box body (4) to be communicated with the side wall of the third box body (7);

the filter layer (9) is connected in the third box body (7) and is positioned above the joint of the fifth pipeline (701) and the third box body (7);

wherein the content of the first and second substances,

water is arranged in the second box body (4);

the first box body (2) is sleeved on the purification equipment body (201), and an air inlet net (202) is arranged on the side wall of the first box body.

2. The caprolactam purification apparatus according to claim 1, wherein a first gas inlet hood (3) is arranged at the top of the first tank (2), the first gas inlet hood (3) is communicated with the input end of a first gas pump (302) through a first pipeline (301), the output end of the first gas pump (302) is communicated with the side wall of the second tank (4) through a second pipeline (303), and a one-way valve is arranged in the second pipeline (303).

3. Caprolactam purification apparatus according to claim 2, characterized in that a rotating shaft (401) is rotatably connected in the second housing (4), and blades (402) are arranged on the rotating shaft (401).

4. Caprolactam purification apparatus according to claim 1, wherein the second box (4) is provided with a motor (5), an output end of the motor (5) is connected with a rotating rod (501), and the rotating rod (501) is located in the second box (4).

5. The caprolactam purification apparatus according to claim 4, wherein an output end of the motor (5) is connected with a crankshaft (601), a piston assembly (6) is connected to the top of the second tank (4), the piston assembly (6) is rotatably connected with the crankshaft (601), a third pipeline (602) is connected between the piston assembly (6) and the bottom of the second tank (4), a spray head (604) is arranged on an inner wall of the top of the second tank (4), a fourth pipeline (603) is connected between the spray head (604) and the piston assembly (6), and check valves are arranged in the fourth pipeline (603) and the third pipeline (602).

6. Caprolactam purification apparatus according to claim 1, wherein a dehumidification plate (8) is disposed in the third tank (7), the dehumidification plate (8) is disposed at the bottom of the filter layer (9), the dehumidification plate (8) is designed to be inclined, the bottom of the third tank (7) is designed to be inclined, a sixth pipeline (801) is connected to a lower end of the bottom of the third tank (7), and an electromagnetic valve is disposed on the sixth pipeline (801).

7. The caprolactam purification apparatus according to claim 1, wherein a second air pump (902) is arranged at the top of the third tank (7), a second air inlet cover (901) is arranged on the inner wall of the top of the third tank (7), and the output end of the second air pump (902) is communicated with the second air inlet cover (901).

8. A caprolactam purification apparatus according to claim 1, further comprising a bottom plate (1), wherein the first tank (2), the first air pump (302), the second tank (4) and the third tank (7) are fixedly connected to the bottom plate (1).