CN210205944U

CN210205944U - Aromatic hydrocarbon recovery unit

Info

Publication number: CN210205944U
Application number: CN201920684593.6U
Authority: CN
Inventors: Keke Rao; 饶科科; Chunbao Zou; 邹春保; Chunhua Yang; 杨春华; Liangliang Peng; 彭亮亮
Original assignee: Cnsic Jiangxi Lantai Chemical Co Ltd
Current assignee: Cnsic Jiangxi Lantai Chemical Co Ltd
Priority date: 2019-05-14
Filing date: 2019-05-14
Publication date: 2020-03-31
Anticipated expiration: 2029-05-14

Abstract

The utility model discloses an aromatic hydrocarbon recovery unit, including the condensing tank, the condensing tank upper end sets up the intake pipe, the condensing tank other end sets up the outlet duct, be provided with spiral condensation duct between intake pipe and the outlet duct, condensing tank one side is provided with the holding vessel, the outlet duct runs through the holding vessel lateral wall, the fixed baffle that is provided with of lateral wall about in the holding vessel, be provided with the fibre defroster between the baffle, holding vessel one side is provided with the compression jar, the holding vessel passes through the pipe connection with the compression jar, the slide rail has been put to the compression jar inside lateral wall, it is provided with the slider all to slide on the slide rail, the fixed baffle that is provided with between the slider, compression jar. The utility model discloses a spiral condensation duct, fibre defroster, compression jar adsorb the drainage through earlier condensation again and compress at last, can accelerate the cooling effect for cooling rate, it is strong to have solved the volatility of arene, has serious pollution to the environment to a large amount of resources have been wasted, the problem of cost has been increased.

Description

Aromatic hydrocarbon recovery unit

Technical Field

The utility model relates to a recovery unit especially relates to an aromatic hydrocarbon recovery unit.

Background

The hydrogen peroxide is an important inorganic green chemical product and is widely applied to the fields of chemical industry, textile, papermaking, food, medicine, metallurgy, electronics, agriculture, military, environmental protection and the like. With the rapid development of global economy, the application field of hydrogen peroxide is continuously expanded, the demand of hydrogen peroxide is increasingly large, and the quality requirement is also increasingly high; however, a lot of tail gas is generated in the process of preparing hydrogen peroxide, most of the tail gas comes from an oxidation tower, contains a lot of aromatic hydrocarbons, has strong volatility, seriously pollutes the environment, wastes a lot of resources and increases the cost, so that a device capable of collecting the aromatic hydrocarbons is urgently needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides an aromatic hydrocarbon recovery unit, includes the condensing jar, a condensing jar lateral wall is provided with the air inlet, the air inlet is connected with the intake pipe, be provided with first valve in the intake pipe, condensing jar other end lateral wall is provided with the gas outlet, the gas outlet is provided with first outlet duct, be provided with spiral condensation pipeline between intake pipe and the first outlet duct, be provided with the second valve on the first outlet duct, condensing jar one side is provided with the holding vessel, first outlet duct runs through the holding vessel lateral wall and extends to in the holding vessel, the first outlet duct port that is located in the holding vessel is provided with the filter screen, the lateral wall is fixed to be provided with the baffle about in the holding vessel, the baffle includes first baffle, second baffle, be provided with the fibre defroster between first baffle, the second baffle, the fibre defroster includes defroster outer screen bucket, An inner mesh barrel of the demister; the upper end of the inner mesh barrel of the demister penetrates through the first baffle plate and is provided with a through hole, the side wall of the bottom end of the storage tank is provided with a liquid outlet, the liquid outlet is connected with a first liquid outlet pipe, the first liquid outlet pipe is provided with a third valve, one side wall of the upper end of the storage tank is provided with a second air outlet pipe, the second air outlet pipe is provided with a fourth valve, one side of the storage tank is provided with a compression tank, the second air outlet pipe penetrates through the side wall of the upper end of the compression tank and extends into the interior, slide rails are fixedly arranged on the left side wall and the right side wall in the compression tank, slide blocks are arranged on the slide rails in a sliding manner, a third baffle plate is fixedly arranged between the slide blocks, the upper surface of the compression tank is provided with an air cylinder, an output shaft of the air cylinder is fixedly connected onto the third baffle plate, the, and a fifth valve is arranged on the second liquid outlet pipe.

Preferably, the second air outlet pipe is a hose.

Preferably, a window is arranged on one side wall of the storage tank, which is positioned at the lower end of the second baffle.

Preferably, the outer side wall of the storage tank is provided with a flange cover, and the flange cover is provided with a handle.

Preferably, the first valve, the second valve, the third valve, the fourth valve and the fifth valve are all electronic valves.

Preferably, a pillar is vertically arranged on the lower surface of the second baffle, and the upper end and the lower end of the pillar are respectively and fixedly connected with the lower surface of the second baffle and the inner bottom of the storage tank.

Preferably, the upper surface of the storage tank is hinged with a top cover, the upper surface of the top cover is provided with a U-shaped groove, and a handle is arranged in the U-shaped groove.

Preferably, a fluororubber layer is arranged between the top cover and the upper end of the storage tank.

Preferably, the second baffle is located between the outer mesh barrel of the demister and the inner side wall of the storage tank and is of a porous structure.

Preferably, a liquid seal pipe is arranged at the lower end of an inner mesh barrel of the demister of the fiber demister, the upper end of the liquid seal pipe penetrates through the surface of the second baffle plate, and the lower end of the liquid seal pipe extends into liquid at the lower part of the storage tank.

The utility model has the advantages that

(1) The utility model discloses a set up the fibre defroster, it is inboard that tail gas enters into the inner net bucket from the outer net bucket outside of fibre defroster, when the gas that contains the thing grain passes through the fibrous layer, through inertial collision, direct collision, brownian motion principle with the thing grain entrapment on the fibre of defroster to condense into large granule or liquid film gradually, pass the fibrous layer under the effect of gaseous impetus, and from the inner net bucket discharge collection of fibre defroster under the effect of gravity, improve aromatic's recovery efficiency.

(2) The utility model discloses a set up the compression jar, open the cylinder switch, the output shaft of cylinder drives the third baffle and slides downwards on the slide rail, and a small amount of uncondensed gas in gliding process third baffle below receives the extrusion, and pressure increases and makes its liquefaction, avoids a small amount of harmful gas to flow into in the atmosphere, further strengthens the recovery effect.

(3) The utility model is provided with the flange cover, so that the fiber demister can be taken out by opening the flange cover under the condition of blockage, and the fiber demister is convenient to clean; the flange cover is convenient to open by arranging the flange cover handle; can be convenient for observe the instant condition in the holding vessel through setting up the window, block up the condition when taking place the fibre defroster, can make corresponding processing at once.

(4) The utility model discloses a set up the liquid seal pipe, when the fibre defroster blockked up because of the trouble, the outer screen bucket outside of fibre defroster and the inboard differential pressure increase of inner screen bucket, bottom liquid in the holding vessel gets into in liquid seal pipe and the inner screen bucket for liquid seal operating condition is destroyed, when bottom liquid is whole to enter the inner screen bucket through the liquid seal pipe in, and then the gas in the outer screen bucket outside of fibre defroster enters the inner screen bucket through the liquid seal pipe in, protect the fibre defroster to avoid destroying to a certain extent.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the top cover of the present invention.

Description of reference numerals: 1-condensation tank, 2-air inlet pipe, 3-first valve, 4-spiral condensation pipeline, 5-first air outlet pipe, 6-second valve, 7-storage tank, 8-filter screen, 9-first baffle, 10-second baffle, 11-fiber demister, 111-demister outer net barrel, 112-demister inner net barrel, 12-liquid seal pipe, 13-pillar, 14-first liquid outlet pipe, 15-third valve, 16-flange cover, 17-handle, 18-window, 19-top cover, 20-fluororubber layer, 21-second air outlet pipe, 22-fourth valve, 23-compression tank, 24-slide rail, 25-slide block, 26-third baffle, 27-air cylinder, 28-air cylinder output shaft, 29-a second liquid outlet pipe, 30-a fifth valve, 31-a U-shaped groove and 32-a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

As shown in fig. 1-2, an aromatic hydrocarbon recovery device comprises a condensation tank 1, wherein an aqueous solution is filled in the condensation tank 1, an air inlet is arranged on one side wall of the bottom end of the condensation tank 1, the air inlet is connected with an air inlet pipe 2, a first valve 3 is arranged on the air inlet pipe 2, the first valve 3 is an electromagnetic valve, an air outlet is arranged on one side wall of the upper end of the condensation tank 1, a first air outlet pipe 5 is arranged on the air outlet, a spiral condensation pipeline 4 is arranged between the air inlet pipe 2 and the first air outlet pipe 5, and the spiral arrangement of the condensation pipeline is convenient for increasing the condensation area and improving the condensation effect; the first air outlet pipe 5 is provided with a second valve 6, the second valve 6 is an electromagnetic valve, one side of the condensing tank 1 is provided with a storage tank 7, the first air outlet pipe 5 penetrates through the side wall of the storage tank 7 and extends into the storage tank 7, a filter screen 8 is arranged at the port of the first air outlet pipe 5 in the storage tank 7, and the filter screen 8 is convenient for filtering particulate matters and impurities in the gas and improving the product quality; baffles are vertically and fixedly arranged on the left side wall and the right side wall in the storage tank 7, each baffle comprises a first baffle 9 and a second baffle 10, the second baffle 10 is positioned between the demister outer net cylinder 111 and the inner side wall of the storage tank 7 and is of a porous structure, and condensed aromatic hydrocarbon liquid can conveniently flow into the bottom of the storage tank 7 to be collected through the porous structure; a fiber demister 11 is detachably arranged between the first baffle 9 and the second baffle 10, the fiber demister 11 comprises a demister outer net barrel 111 and a demister inner net barrel 112, tail gas enters the inner side of the demister inner net barrel 112 from the outer side of the demister outer net barrel 111 of the fiber demister 11, when gas containing particles passes through a fiber layer, the particles are collected on fibers of the demister through inertial collision, direct collision and Brownian motion principles and gradually condensed into large particles or liquid films, the large particles or the liquid films pass through the fiber layer under the action of gas thrust, and the large particles or the liquid films are discharged from the surface of the demister inner net barrel 112 of the fiber demister 11 under the action of gravity; the lower end of the demister inner mesh barrel 112 of the fiber demister 11 is provided with a liquid seal pipe 12, the upper end of the liquid seal pipe 12 penetrates through the surface of the second baffle plate 10, the lower end of the liquid seal pipe 12 extends into the liquid at the lower part of the storage tank 7, when the gas mixed with impurities passes through the fiber demister 11, the fiber demister 11 cannot be blocked due to large impurity particles through the fiber demister 11, the gas flows from the left side of the demister outer mesh barrel 111 to the right side of the demister outer mesh barrel 111 through the holes on the second baffle plate 10, so that the pressure difference between the outer side of the demister outer mesh barrel 111 of the fiber demister 11 and the inner side of the demister inner mesh barrel 112 is increased, the bottom liquid in the storage tank 7 enters the liquid seal pipe 12 and the demister inner mesh barrel 112, the liquid seal working state is destroyed, when the bottom liquid completely enters the demister inner mesh barrel 112 through the liquid seal pipe 12, and then the gas outside of the demister outer mesh barrel 111 of the fiber demister 11 enters the demister inner mesh barrel 112 through the liquid seal pipe, the fiber demister 11 is protected from being damaged to a certain extent, and when the condition that the fiber demister 11 is blocked is observed from the window 18, the fiber demister 11 can be cleaned through the flange 16; a support post 13 is vertically arranged on the lower surface of the second baffle plate 10, the upper end and the lower end of the support post 13 are respectively fixedly connected with the lower surface of the second baffle plate 10 and the bottom in the storage tank 7, and the support post 13 can prevent the second baffle plate 10 from sliding to damage the fiber demister 11 and pollute products; a liquid outlet is formed in the side wall of the bottom end of the storage tank 7, the liquid outlet is connected with a first liquid outlet pipe 14, a third valve 15 is arranged on the first liquid outlet pipe 14, the third valve 15 is an electromagnetic valve, and the first liquid outlet pipe 14 is convenient for collecting aromatic hydrocarbon liquid in the storage tank; a second air outlet pipe 21 is arranged on one side wall of the upper end of the storage tank 7, a fourth valve 22 is arranged on the second air outlet pipe 21, the fourth valve 22 is an electromagnetic valve, a compression tank 23 is arranged on one side of the storage tank 7, the second air outlet pipe 21 penetrates through the side wall of the upper end of the compression tank 23 and extends into the compression tank, slide rails 24 are fixedly arranged on the left side wall and the right side wall in the compression tank 23, slide blocks 25 are arranged on the slide rails 24 in a sliding manner, third baffle plates 26 are fixedly arranged between the slide blocks 25, an air cylinder 27 is arranged on the upper surface of the compression tank 23, an air cylinder output shaft 28 is fixedly connected to the third baffle plates 26, the air cylinder 27 is opened and closed, the air cylinder output shaft 28 drives the third baffle plates 26 to slide downwards on the slide rails 24, a small amount of uncondensed gas below the third baffle plates 26 is extruded in the sliding process, the pressure is increased to liquef, the recovery effect is further enhanced; the second air outlet pipe 21 in the compression tank 23 penetrates through the third baffle 26, and the second air outlet pipe 21 is a hose which is arranged to be capable of being lifted synchronously with the third baffle 26; a second liquid outlet pipe 29 penetrates through one side wall of the bottom end of the compression tank 23, the second liquid outlet pipe 29 is convenient for collecting recovered liquid, a fifth valve 30 is arranged on the second liquid outlet pipe 29, and the fifth valve 30 is an electromagnetic valve.

Example 2

As shown in fig. 1-2, this embodiment is further optimized based on embodiment 1, specifically, a flange cover 16 is disposed on an outer side wall of the storage tank 7, and a handle 17 is disposed on the flange cover 16; a window 18 is arranged on one side wall of the storage tank 7 at the lower end of the second baffle 10.

In the embodiment, the flange cover 16 is arranged, so that the fiber demister 11 can be taken out by opening the flange cover 16 when being blocked, and the cleaning is convenient; the handle 17 is arranged on the flange cover 16, so that the flange cover 17 can be conveniently opened and the operation is convenient; the instant situation in the storage tank 7 can be conveniently observed by arranging the window 18, and when the blockage situation of the fiber demister 11 occurs, corresponding treatment can be immediately carried out.

Example 3

As shown in fig. 1-2, this embodiment is a further optimization made on the basis of embodiment 2, specifically, a top cover 19 is hinged to the upper surface of the storage tank 7, a U-shaped groove 31 is formed in the upper surface of the top cover 19, and a handle 32 is arranged in the U-shaped groove 31; a fluorine rubber layer 20 is arranged between the top cover 19 and the upper end of the storage tank 7.

In the embodiment, the top cover 19 is arranged, so that the components in the storage tank 7 can be conveniently installed on one hand, and the components in the storage tank 7 can be conveniently maintained on the other hand; the handle 32 is arranged to facilitate the opening and closing of the top cover 19; by arranging the fluororubber layer 20, the top cover 19 and the storage tank 7 are convenient to seal, and air is prevented from entering the storage tank 7 to reduce the quality of products.

Principle of operation

The utility model relates to an aromatic hydrocarbon recovery unit, during the use, the condensing tank 1, holding vessel 7, each part on the compression jar 23 with in distribute as shown in figure 1, open first valve 3 and let in the tail gas of treating the condensation, tail gas opens second valve 6 after condensing for a period in spiral condensation pipeline 4, the aromatic hydrocarbon that the condensation becomes liquid flows into the bottom gathering of holding vessel 7 from the hole of second baffle 10, partly aromatic hydrocarbon gas that does not condense condenses into the large granule through fibre defroster 11 or the liquid film flows into holding vessel 7 bottom through liquid seal pipe 12 under the effect of gravity and collects, when tail gas lets in to accomplish and the bottom liquid collection total amount remains unchanged basically in holding vessel 7, close first valve 3, second valve 6, open fourth valve 22, another part aromatic hydrocarbon gas that does not condense lets in the compression jar 23 through second outlet duct 21, let in a period and promptly close fourth valve 22, when the switch of the air cylinder 27 is opened, the air cylinder output shaft 28 drives the third baffle 26 to slide downwards on the slide rail 24, a small amount of uncondensed gas below the third baffle 26 is extruded in the sliding process, the pressure is increased to liquefy the gas, a small amount of harmful gas is prevented from flowing into the atmosphere, and the recovery effect is further enhanced; after the compression is finished, the switch of the air cylinder 27 and the fourth valve 22 are closed, and the third valve 15 and the fifth valve 30 are opened to collect the liquid in the storage tank 7 and the compression tank 23.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The aromatic hydrocarbon recovery device is characterized by comprising a condensation tank (1), wherein an air inlet is formed in one side wall of the upper end of the condensation tank (1), the air inlet is connected with an air inlet pipe (2), a first valve (3) is arranged on the air inlet pipe (2), an air outlet is formed in the other side wall of the condensation tank (1), a first air outlet pipe (5) is arranged on the air outlet, a spiral condensation pipeline (4) is arranged between the air inlet pipe (2) and the first air outlet pipe (5), a second valve (6) is arranged on the first air outlet pipe (5), a storage tank (7) is arranged on one side of the condensation tank (1), the first air outlet pipe (5) penetrates through the side wall of the storage tank (7) and extends into the storage tank (7), a filter screen (8) is arranged at the port of the first air outlet pipe (5) in the storage tank (7), and a baffle is fixedly arranged on the inner side, the baffle comprises a first baffle (9) and a second baffle (10), a fiber demister (11) is arranged between the first baffle (9) and the second baffle (10), the fiber demister (11) comprises a demister outer net barrel (111) and a demister inner net barrel (112), a liquid outlet is arranged on the side wall of the bottom end of the storage tank (7), the liquid outlet is connected with a first liquid outlet pipe (14), a third valve (15) is arranged on the first liquid outlet pipe (14), a second air outlet pipe (21) is arranged on one side wall of the upper end of the storage tank (7), a fourth valve (22) is arranged on the second air outlet pipe (21), a compression tank (23) is arranged on one side of the storage tank (7), the second air outlet pipe (21) penetrates through the side wall of the upper end of the compression tank (23) and extends into the compression tank, and slide rails (24) are fixedly arranged on the inner left and right side walls of the compression tank (, slide rail (24) are gone up all to slide and are provided with slider (25), fixed third baffle (26) that are provided with between slider (25), compression jar (23) upper surface is provided with cylinder (27), and cylinder output shaft (28) fixed connection is on third baffle (26), second outlet duct (21) that are located compression jar (23) run through third baffle (26), compression jar (23) bottom lateral wall runs through and is equipped with second drain pipe (29), be provided with fifth valve (30) on second drain pipe (29).

2. An aromatic hydrocarbon recovery apparatus as claimed in claim 1, wherein said second outlet pipe (21) is a hose.

3. An aromatic hydrocarbon recovery apparatus as claimed in claim 2, wherein a window (18) is formed in a side wall of said storage tank (7) at a lower end of said second baffle plate (10).

4. An aromatic hydrocarbon recovery apparatus as claimed in claim 3, wherein the outer side wall of the storage tank (7) is provided with a flange cover (16), and the flange cover (16) is provided with a handle (17).

5. An aromatic hydrocarbon recovery apparatus according to claim 4, wherein the first valve (3), the second valve (6), the third valve (15), the fourth valve (22) and the fifth valve (30) are all electronic valves.

6. The aromatic hydrocarbon recovery device according to any one of claims 1 to 5, wherein a pillar (13) is vertically arranged on the lower surface of the second baffle plate (10), and the upper end and the lower end of the pillar (13) are respectively fixedly connected with the lower surface of the second baffle plate (10) and the inner bottom of the storage tank (7).

7. The aromatic hydrocarbon recovery device according to claim 6, wherein a top cover (19) is hinged on the upper surface of the storage tank (7), a U-shaped groove (31) is formed on the upper surface of the top cover (19), and a handle (32) is arranged in the U-shaped groove (31).

8. An aromatic hydrocarbon recovery apparatus as claimed in claim 7, wherein a fluororubber layer (20) is provided between said top cover and the upper end of the storage tank (7).

9. An aromatic hydrocarbon recovery apparatus according to claim 8, wherein said second baffle plate (10) is of a porous structure between the demister outer tub (111) and the inner side wall of the storage tank (7).

10. An aromatic hydrocarbon recovery apparatus according to claim 9, characterized in that the lower end of the demister inner mesh barrel (112) of the fiber demister (11) is provided with a liquid seal pipe (12), the upper end of the liquid seal pipe (12) penetrates the surface of the second baffle plate (10), and the lower end of the liquid seal pipe (12) extends into the lower liquid of the storage tank (7).