CN213101505U

CN213101505U - Ethylene oxide collection device for chemical safety production

Info

Publication number: CN213101505U
Application number: CN202021336652.XU
Authority: CN
Inventors: 王霁耀
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-05-04
Anticipated expiration: 2030-07-09

Abstract

The utility model provides a collecting device for ethylene oxide produced safely in chemical industry, which comprises a box body, an air inlet device and a spraying device; the air inlet device comprises an air inlet pipe, an annular air delivery pipe and an L-shaped air outlet pipe; the air inlet pipe penetrates through the box body and is fixedly connected with the annular air delivery pipe, and the annular air delivery pipe is arranged on the inner side of the box body and is fixedly connected with the box body through the fixing block; three groups of L-shaped air outlet pipes are annularly arranged on the inner side of the annular air delivery pipe, and an inner box is arranged on the outer side of each L-shaped air outlet pipe; the spraying device penetrates through the top end of the box body and is positioned in the middle of the box body. The utility model discloses a second grade raceway is the heliciform, can increase the quantity of interior side surface shower nozzle, can spray more water of department in limited space, and the perpendicular distance of still inner box lower extreme apart from normally opening the delivery port is 10 cm's setting for also need mix with water once more when waste gas exports from the inner box bottom and gets into the box, reach the purpose of thoroughly cleaing away ethylene oxide in the waste gas.

Description

Ethylene oxide collection device for chemical safety production

Technical Field

The utility model belongs to the technical field of ethylene oxide collecting device, more specifically say, in particular to chemical industry safety in production ethylene oxide collection device.

Background

Ethylene oxide is an organic compound, and because ethylene oxide is a highly toxic substance, a carcinogenic substance and a class-A fire hazard substance, waste gas with ethylene oxide cannot be directly discharged into the air in the production process, otherwise huge damage can be caused to field workers and the surrounding environment, while the waste gas generated in the production process of ethylene oxide in China is directly discharged into the air at present, and some existing collecting devices only utilize the characteristic that ethylene oxide is easy to be dissolved in water to absorb the ethylene oxide in the waste gas, but have the problem of insufficient absorption in the absorption process.

As described above, although ethylene oxide is widely used in the present production and life, it has a serious toxicity and a carcinogenic risk, and thus, it is impossible to directly discharge the exhaust gas containing ethylene oxide into the atmosphere during the chemical production process, and the conventional collecting device has a problem that the recovery of ethylene oxide is not complete.

Therefore, in view of the above, research and improvement are performed on the existing structure and defects, and a collecting device for safely producing ethylene oxide in chemical industry is provided, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a chemical industry safety in production ethylene oxide collection device to solve current collection device and retrieve incomplete problem to the waste gas that contains ethylene oxide.

The utility model discloses chemical industry safety in production ethylene oxide collection device's purpose and efficiency are reached by following specific technological means:

a chemical safety production ethylene oxide collecting device comprises a box body, an air inlet device and a spraying device; the upper end of the box body is provided with an exhaust hole, the lower end of the box body is provided with a normally closed water outlet, and the lower end of the right side of the box body is provided with a normally open water outlet; the air inlet device comprises an air inlet pipe, an annular air delivery pipe and an L-shaped air outlet pipe; the air inlet pipe penetrates through the box body and is fixedly connected with the annular air delivery pipe, and the annular air delivery pipe is arranged on the inner side of the box body and is fixedly connected with the box body through the fixing block; three groups of L-shaped air outlet pipes are annularly arranged on the inner side of the annular air delivery pipe, and an inner box is arranged on the outer side of each L-shaped air outlet pipe; the spraying device penetrates through the top end of the box body and is positioned in the middle of the box body.

Further, spray set includes inlet tube, water pump, one-level raceway, L type branch pipe and second grade raceway, and the one-level raceway passes through water pump and inlet tube fixed connection, and one-level raceway lower extreme annular is equipped with three groups of L type branch pipes, and L type branch pipe passes inner box top and second grade raceway fixed connection.

Furthermore, the spraying device also comprises a spray head, the secondary water pipe is spiral, and the inner side surface of the secondary water pipe is uniformly provided with the spray head.

Furthermore, the inner box is in an inverted wine bottle shape, and the vertical distance from the lower end of the inner box to the normally-open water outlet is 10 cm.

Furthermore, the length of the pipeline of the L-shaped air outlet pipe positioned in the inner box is one fourth of the height of the inner box.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses an annular gas-supply pipe evenly is equipped with three groups of L type gas-supply pipes, make the waste gas that comes in from the intake pipe divide into three, and every group of L type gas-supply pipe periphery all is equipped with inner box and second raceway, spray the operation to the ethylene oxide in the waste gas simultaneously, can be better dissolve the ethylene oxide in the waste gas in aqueous, still be spiral helicine through the second grade raceway and can increase the quantity of inboard surface shower nozzle, can spray more water in limited space, let ethylene oxide and water can abundant mixing, furthest drive the ethylene oxide in the waste gas, the normally closed delivery port of this device box lower extreme is in the closed condition, shower nozzle spun water can gather in the box bottom, when the position of normally open delivery port is reachd to the water level inside the box, the water inside the box can outwards flow through normally open delivery port, be the bottle form of inversion through the inner box, and the vertical distance of inner box lower extreme apart from normally opening the delivery port is 10 cm's setting, and the inner box lower extreme has 10 cm's length to be located the aquatic for waste gas also need mix with water once more when coming out from inner box bottom outlet and getting into the box, can carry out the cleaing away of secondary with the residual ethylene oxide in the waste gas, reach the purpose of thoroughly cleaing away ethylene oxide in the waste gas.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the utility model after the box body in fig. 1 is vertically cut.

Fig. 3 is a schematic view of the present invention after a group of inner boxes is removed from fig. 2.

Fig. 4 is a schematic front view of the structure of fig. 3 according to the present invention.

Fig. 5 is a schematic structural view of the gas supply device of the present invention.

Fig. 6 is a schematic structural view of the spraying device of the present invention.

Fig. 7 is a schematic sectional structure view of the inner box of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a box body; 101. an exhaust hole; 102. a normally closed water outlet; 103. a normally open water outlet; 2. an air intake device; 201. an air inlet pipe; 202. an annular gas delivery pipe; 203. an L-shaped air outlet pipe; 3. an inner box; 4. a spraying device; 401. a water inlet pipe; 402. a water pump; 403. a primary water delivery pipe; 404. an L-shaped branch pipe; 405. a secondary water conveying pipe; 406. a spray head; 5. and (5) fixing blocks.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of 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. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 7:

the utility model provides a collecting device for ethylene oxide produced safely in chemical industry, which comprises a box body 1, an air inlet device 2 and a spraying device 4; an exhaust hole 101 is formed in the upper end of the box body 1, a normally closed water outlet 102 is formed in the lower end of the box body 1, and a normally open water outlet 103 is formed in the lower end of the right side of the box body 1; the air inlet device 2 comprises an air inlet pipe 201, an annular air delivery pipe 202 and an L-shaped air outlet pipe 203; the air inlet pipe 201 penetrates through the box body 1 and is fixedly connected with the annular air delivery pipe 202, and the annular air delivery pipe 202 is arranged on the inner side of the box body 1 and is fixedly connected with the box body 1 through the fixing block 5; three groups of L-shaped air outlet pipes 203 are annularly arranged on the inner side of the annular air conveying pipe 202, and an inner box 3 is arranged on the outer side of each L-shaped air outlet pipe 203; the spraying device 4 penetrates through the top end of the box body 1 and is positioned in the middle of the box body 1.

Wherein, spray set 4 includes inlet tube 401, water pump 402, one-level raceway 403, L type branch pipe 404 and second grade raceway 405, one-level raceway 403 passes through water pump 402 and inlet tube 401 fixed connection, one-level raceway 403 lower extreme annular is equipped with three groups of L type branch pipes 404, L type branch pipe 404 passes 3 tops of inner box and second grade raceway 405 fixed connection, one-level raceway 403 lower extreme annular is equipped with three groups of L type branch pipes 404, can spray the operation simultaneously with the waste gas that intake pipe 201 came in fall into the triplex, ethylene oxide's removal efficiency in the waste gas has been improved.

Wherein, spray set 4 still includes shower nozzle 406, and second grade raceway 405 is the heliciform, and the inboard surface of second grade raceway 405 evenly is equipped with shower nozzle 406, and second grade raceway 405 is the heliciform and can increases the quantity of inboard surface shower nozzle 406, sprays more water in the department of limited space, lets the ethylene oxide and the abundant mixture of water, furthest clears away the ethylene oxide in the waste gas.

Wherein, inner box 3 is the beverage bottle form of inversion, and the vertical distance of inner box 3 lower extreme apart from normally opening delivery port 103 is 10cm, normally closed delivery port 102 of box 1 lower extreme is in the closed condition, shower nozzle 406 spun water can be at the gathering of box 1 bottom, when the position of normally opening delivery port 103 is reachd to the water level of box 1 inside, the inside water of box 1 can outwards flow through normally opening delivery port 103, because the vertical distance of inner box 3 lower extreme apart from normally opening delivery port 103 is 10cm, so the 3 lower extremes of inner box have 10 cm's length to be located the aquatic, make waste gas follow the inner box 3 bottom export when coming out in order to mix with water once more, can carry out the epoxy ethane in the waste gas and clear away of second time.

Wherein, L type outlet duct 203 is located the pipeline length of inner box 3 and is the quarter of inner box 3 height for L type outlet duct 203 comes out the in-process that waste gas goes out from inner box 3 lower extreme, and waste gas can be enough intensive mixing with shower nozzle 406 spun water, dissolves ethylene oxide in aqueous.

The specific use mode and function of the embodiment are as follows:

in the utility model, the waste gas mixed with ethylene oxide enters into the annular gas pipe 202 from the gas inlet pipe 201, three groups of L-shaped gas outlet pipes 203 are evenly arranged on the inner side surface of the annular gas pipe 202, so that the waste gas to be treated is divided into three groups, the number of inner side surface spray heads 406 can be increased by the spiral shape of the second-stage water pipe 405, more water can be sprayed in a limited space, the waste gas coming out from the L-shaped gas outlet pipes 203 can be fully mixed with the water in the inner box 3, the normally closed water outlet 102 at the lower end of the box body 1 of the device is in a closed state, the water sprayed out from the spray heads 406 can be gathered at the bottom end of the box body 1, when the water level in the box body 1 reaches the position of the normally open water outlet 103, the water in the box body 1 can flow out through the normally open water outlet 103, the inner box 3 is in an, 3 lower extremes of inner box have 10 cm's length to be located the aquatic for waste gas is mixed with water once more when 3 bottom outlets of inner box come out entering box 1, can carry out the cleaing away of second with the remaining ethylene oxide in the waste gas, reaches the purpose of thoroughly cleaing away ethylene oxide in the waste gas.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a chemical industry safety in production ethylene oxide collection device which characterized in that: comprises a box body (1), an air inlet device (2) and a spraying device (4); the upper end of the box body (1) is provided with an exhaust hole (101), the lower end of the box body (1) is provided with a normally closed water outlet (102), and the lower end of the right side of the box body (1) is provided with a normally open water outlet (103); the air inlet device (2) comprises an air inlet pipe (201), an annular air conveying pipe (202) and an L-shaped air outlet pipe (203); the air inlet pipe (201) penetrates through the box body (1) and is fixedly connected with the annular air delivery pipe (202), and the annular air delivery pipe (202) is arranged on the inner side of the box body (1) and is fixedly connected with the box body (1) through the fixing block (5); three groups of L-shaped air outlet pipes (203) are annularly arranged on the inner side of the annular air conveying pipe (202), and an inner box (3) is arranged on the outer side of each L-shaped air outlet pipe (203); the spraying device (4) penetrates through the top end of the box body (1) and is positioned in the middle of the box body (1).

2. The chemical safety production ethylene oxide collecting device according to claim 1, characterized in that: spray set (4) include inlet tube (401), water pump (402), one-level raceway (403), L type branch pipe (404) and second grade raceway (405), one-level raceway (403) pass through water pump (402) and inlet tube (401) fixed connection, one-level raceway (403) lower extreme annular is equipped with three groups L type branch pipe (404), L type branch pipe (404) pass inner box (3) top and second grade raceway (405) fixed connection.

3. The chemical safety production ethylene oxide collecting device according to claim 2, characterized in that: the spraying device (4) further comprises a spray head (406), the secondary water conveying pipe (405) is spiral, and the spray head (406) is uniformly arranged on the inner side surface of the secondary water conveying pipe (405).

4. The chemical safety production ethylene oxide collecting device according to claim 1, characterized in that: the inner box (3) is in an inverted wine bottle shape, and the vertical distance from the lower end of the inner box (3) to the normally-open water outlet (103) is 10 cm.

5. The chemical safety production ethylene oxide collecting device according to claim 1, characterized in that: the length of the pipeline of the L-shaped air outlet pipe (203) positioned in the inner box (3) is one fourth of the height of the inner box (3).