CN217887433U - Purification and odor removal device for octoxy glycerin processing - Google Patents

Abstract

The utility model discloses a purification and odor removal device for processing octoxy glycerin, which belongs to the technical field of chemical production equipment and comprises an absorption tank; the method is characterized in that: the top of absorption chamber is provided with the surge chamber, and in the air duct extended to the absorption liquid of absorption chamber, the surge chamber top still was connected with the condensing tank through the pipeline, the outside of condensing tank was provided with and presss from both sides the cover, goes up baffling board and the crisscross setting of baffling board down, is provided with the ball-cock assembly on the leakage fluid dram of the bottom of condensing tank, and the top of absorption chamber sets up the gas collecting channel, the beneficial effects of the utility model are that: go up baffling board and the crisscross setting of baffling board down, increase waste gas at the stroke of collecting tank and reduce the velocity of flow, increase heat exchange efficiency, the ball-cock assembly can carry out automatic flowing back when acetone reaches certain liquid level through the switch of liquid level control ball-cock assembly, the air duct of surge chamber extends to in the absorption liquid of absorption chamber, and the top of absorption chamber is provided with the outlet duct, can prevent the suck-back like this.

Description

Purification and odor removal device for octoxy glycerin processing

The technical field is as follows:

the utility model belongs to the technical field of chemical production equipment, more specifically relates to an octoxy glycerine processing is with purifying odour removal device.

The background art comprises the following steps:

octoxyglycerol is another name: the ethylhexylglycerin is used for daily chemical product systems, can greatly reduce the addition amount of the traditional preservative, obviously reduce the toxicity of the preservative system, is the maximum bright point of the preservative system, has the preservative effect, does not stimulate the skin characteristic, has the moisturizing effect, can enhance the capability of the traditional preservative, and ensures that the ethylhexylglycerin can play an important role in the future green preservative system.

2-ethylhexyl glycidyl ether and acetone are used for generating an intermediate 4-alkoxy methyl-1, 3-dioxoalkane under the action of boron trifluoride diethyl etherate, a terminator is added in time for hydrolysis, an oil phase substance after liquid separation is neutralized by sodium bicarbonate and washed, a stabilizer is added, and finally high-purity ethylhexyl glycerol is obtained by short-path distillation.

Contain certain content of acetone in the tail gas of release, the mode of removing the flavor is absorbed for traditional absorption liquid at present to purify, because the characteristic of acetone is mutually soluble with water, when absorption liquid absorbs a certain amount of acetone, purifying effect will descend, need beat the absorption liquid to the distillation column and distill this moment, separate water and acetone, but contain certain content of acetone in the tail gas of release in the actual production process, will accelerate the frequency of distillation like this.

The utility model has the following contents:

in order to solve the problems and overcome the defects of the prior art, the utility model provides a purification and odor removal device for processing octoxy glycerin;

the first technical problem to be solved is that: the tail gas containing acetone generated in the production process of the octoxyglycerin is absorbed by the absorption liquid, so that the distillation frequency is accelerated.

The utility model provides a concrete technical scheme of above-mentioned technical problem does: the purification and odor removal device for processing the octyloxy glycerol comprises an absorption tank; the method is characterized in that: the absorption tank comprises an absorption chamber, a buffer chamber is arranged above the absorption chamber, and an air inlet and an absorption liquid injection port are arranged at the top of the buffer chamber; the bottom of the buffer chamber is provided with an air duct which is connected with the buffer chamber and the absorption chamber, the air duct extends into the absorption liquid of the absorption chamber, the top of the absorption chamber is provided with an air outlet pipe, and the bottom of the absorption chamber is provided with an absorption liquid discharge pipe;

the top of the buffer chamber is also connected with a condensing tank through a pipeline, one side of the condensing tank is provided with a condensing pipe air inlet, the other side of the condensing tank is provided with a condensing pipe air outlet, and the condensing pipe air outlet is connected with the air inlet of the buffer chamber through a pipeline;

the outer side of the condensing tank is provided with a jacket, the top of the tank wall of the condensing tank is provided with an upper baffle plate, the bottom of the condensing tank is a concave liquid collecting tank, the liquid collecting tank is provided with a lower baffle plate, and the upper baffle plate and the lower baffle plate are arranged in a staggered manner.

Furthermore, a flow guide hole is formed in the lower baffle plate.

Further, the jacket is provided with a cooling liquid inlet and a cooling liquid outlet.

Further, a liquid outlet is formed in the bottom of the condensing tank.

Furthermore, a liquid outlet at the bottom of the condensing tank is provided with a ball float valve.

Furthermore, a gas collecting hood is arranged at the top of the absorption chamber, and a gas outlet pipe is arranged on the gas collecting hood.

The utility model has the advantages that:

the utility model has the advantages that the upper baffle plate and the lower baffle plate are arranged in a staggered way, the stroke of waste gas in the liquid collecting tank is increased, the flow velocity is reduced, the heat exchange efficiency is increased, and acetone is converted into liquid state as much as possible; most of the acetone is converted into liquid to be removed, so that the service cycle of the absorption liquid is greatly prolonged, and the problem of frequent distillation is avoided;

an advantage of the utility model is that being provided with the ball-cock assembly on the leakage fluid dram of the bottom of condensing tank, can be through the switch of level control ball-cock assembly, can carry out automatic flowing back when acetone reaches certain liquid level

An advantage of the utility model is that in the air duct that provides the surge chamber extends to the absorption liquid of absorption chamber, the top of absorption chamber is provided with the outlet duct, can prevent the suck-back like this.

Description of the drawings:

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

1. a condenser tube air inlet; 2. a lower baffle plate; 3. a flow guide hole; 4. an upper baffle plate; 5. a jacket; 6. a coolant inlet; 7. a liquid discharge port; 8. a float valve; 9. a coolant outlet; 10. a condensing tank; 11. an air outlet of the condensation pipe; 12. an absorption chamber; 13. an air duct; 14. an absorption liquid discharge pipe; 15. an air inlet; 16. an absorption liquid injection port; 17. a buffer chamber; 18. an air outlet pipe; 19. and a gas-collecting hood.

The specific implementation mode is as follows:

in describing the present invention, it should be understood that the terms "center", "upper", "lower", "left", "right", "rear", "lower left", "upper right", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only 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 therefore, should not be construed as limiting the scope of the present invention. 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.

The utility model discloses a concrete embodiment: the purification and odor removal device for processing the octyloxy glycerol comprises an absorption tank; wherein the canister comprises an absorption chamber 12 and a buffer chamber 17,

a buffer chamber 17 is arranged above the absorption chamber 12, an air inlet 15 and an absorption liquid injection port 16 are arranged at the top of the buffer chamber 17 and are used for adding absorption liquid or introducing liquid to be absorbed,

the bottom of the buffer chamber 17 is provided with an air duct 13 which connects the buffer chamber 17 and the absorption chamber 12, the air duct 13 extends into the absorption liquid of the absorption chamber 12, the top of the absorption chamber 12 is provided with an air outlet pipe 18, and the bottom is provided with an absorption liquid discharge pipe 14, so that the arrangement purpose is to prevent suck-back, if the air inlet 15 generates negative pressure, the absorption liquid can suck back to the buffer chamber 17 through the air duct 13, and the acetone which is directly sucked back into the condensation tank 10 through the air inlet 15 and condensed in the condensation tank 10 is prevented from being influenced;

as a preferred scheme of the present invention, a gas collecting hood 19 may be further disposed on the top of the absorption chamber 12, and an outlet pipe 18 is disposed on the gas collecting hood 19, so as to facilitate the collection and the export of gas;

the top of the buffer chamber 17 is also connected with a condensing tank 10 through a pipeline, a jacket 5 is arranged on the outer side of the condensing tank 10 and used for cooling acetone in the waste gas, the purpose is to condense the acetone into a liquid state, and air and less acetone enter the absorption chamber 12 for absorption, so that most of the acetone and gas can be separated, the acetone with high concentration is prevented from entering the absorption chamber 12, and the absorption liquid needs high-frequency distillation;

the top of the inner side tank wall of the condensing tank 10 is provided with an upper baffle plate 4, the liquid collecting tank is provided with a lower baffle plate 2, and the upper baffle plate 4 and the lower baffle plate 2 are arranged in a staggered mode, so that the stroke of waste gas in the liquid collecting tank is increased, the flow rate is reduced, the heat exchange efficiency is increased, and acetone is converted into liquid state as much as possible;

the bottom of the inner side tank wall of the condensation tank 10 is a concave liquid collecting tank for collecting condensed acetone, and the lower baffle plate 2 is provided with a flow guide hole 3; facilitating later liquid discharge;

be provided with ball-cock assembly 8 on the leakage fluid dram 7 of the bottom of condensing tank 10, aim at through the switch of liquid level control ball-cock assembly 8, can carry out automatic flowing back when acetone reaches certain liquid level.

It is to be noted that the utility model relates to a purification and odor removal device for processing octoxy glycerin, which is characterized in that when in operation,

1. the waste gas containing acetone enters the condensing tank 10 through the air inlet 1 of the condensing pipe, the stroke of the gas is increased and the flow rate is reduced under the action of the upper baffle plate 4 and the lower baffle plate 2, the heat exchange efficiency is improved,

2. condensed acetone is gathered under the action of a liquid collecting tank, wherein the lower baffle plate 2 is provided with a flow guide hole 3 for facilitating the gathering of the acetone in a plurality of chambers, a liquid discharge port 7 at the bottom of a condensing tank 10 is provided with a ball float valve 8, and the opening and closing of the ball float valve 8 can be controlled through the liquid level, so that the acetone can be automatically discharged when reaching a certain liquid level;

3. the content of acetone in the condensed waste gas is reduced, then the condensed waste gas enters the absorption tank through a pipeline by virtue of air pressure, the tail gas enters the absorption chamber 12 through the buffer chamber 17 and the air guide pipe 13 and contacts with the absorption liquid in the absorption chamber 12, and the acetone in the tail gas is further removed by utilizing the characteristic that the acetone is very soluble in water, at the moment, most of the acetone in the tail gas is converted into liquid to be removed by virtue of condensation of the acetone in the condensation tank 10, so that the service cycle of the absorption liquid is greatly prolonged, and the problem of frequent distillation is avoided;

4. the bottom of surge chamber 17 is provided with the air duct 13 of connecting surge chamber 17 and absorption chamber 12, in air duct 13 extended to the absorption liquid of absorption chamber 12, the top of absorption chamber 12 was provided with outlet duct 18, and the bottom is provided with absorption liquid fluid-discharge tube 14, can prevent the suck-back like this, if air inlet 15 produced the negative pressure, the absorption liquid can be through air duct 13 suck-back to surge chamber 17 this moment, has avoided directly in the condensate tank 10 is inhaled to the air inlet 15 suck-back, influences the acetone of condensation in the condensate tank 10.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. A purification and odor removal device for processing octoxy glycerin comprises an absorption tank; the method is characterized in that: the absorption tank comprises an absorption chamber (12), a buffer chamber (17) is arranged above the absorption chamber (12), and an air inlet (15) and an absorption liquid injection port (16) are arranged at the top of the buffer chamber (17); the bottom of the buffer chamber (17) is provided with an air duct (13) which is connected with the buffer chamber (17) and the absorption chamber (12), the air duct (13) extends into the absorption liquid of the absorption chamber (12), the top of the absorption chamber (12) is provided with an air outlet pipe (18), and the bottom is provided with an absorption liquid discharge pipe (14);

the top of the buffer chamber (17) is also connected with a condensing tank (10) through a pipeline,

a condensing pipe air inlet (1) is formed in one side of the condensing tank (10), a condensing pipe air outlet (11) is formed in the other side of the condensing tank (10), and the condensing pipe air outlet (11) is connected with an air inlet (15) of the buffer chamber (17) through a pipeline;

the outer side of the condensation tank (10) is provided with a jacket (5), the top of the inner side tank wall of the condensation tank (10) is provided with an upper baffle plate (4), the bottom of the inner side tank wall of the condensation tank (10) is a concave liquid collecting tank, a lower baffle plate (2) is arranged on the liquid collecting tank, and the upper baffle plate (4) and the lower baffle plate (2) are arranged in a staggered mode.

2. The purification and odor removal device as claimed in claim 1, wherein the lower baffle plate (2) is provided with a diversion hole (3).

3. A purification and odour removal apparatus according to claim 1, characterized in that the jacket (5) is provided with a cooling liquid inlet (6) and a cooling liquid outlet (9).

4. A purifying and odour-removing apparatus according to claim 1, characterised in that the bottom of said condensation tank (10) is provided with a liquid drain (7).

5. A purifying and deodorizing device according to claim 4, characterized in that a ball float valve (8) is provided on the liquid outlet (7) of the bottom of said condensation tank (10).

6. The purification and odor removal device as claimed in claim 1, wherein a gas collecting hood (19) is provided on the top of the absorption chamber (12), and a gas outlet pipe (18) is provided on the gas collecting hood (19).

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