CN209575840U - A kind of device recycling acid o-dichlorobenzene solution - Google Patents
A kind of device recycling acid o-dichlorobenzene solution Download PDFInfo
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- CN209575840U CN209575840U CN201822098373.3U CN201822098373U CN209575840U CN 209575840 U CN209575840 U CN 209575840U CN 201822098373 U CN201822098373 U CN 201822098373U CN 209575840 U CN209575840 U CN 209575840U
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- accumulator tank
- pipe
- acid
- interface tube
- dichlorobenzene solution
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Abstract
The utility model discloses a kind of devices for recycling acid o-dichlorobenzene solution, circulating pump including accumulator tank and below accumulator tank, the inside of accumulator tank is equipped with several absorbing rods, the outside of absorbing rod is equipped with several apertures, the inside of absorbing rod is equipped with molecular sieve disinfecting mechanism, the outer cover of accumulator tank is equipped with cooling water jecket, the side of cooling water jecket is equipped with water pipe one and is set to the water pipe two of cooling water jecket bottom end side, water pipe one and water pipe two are connected separately with water tank, the top side of accumulator tank is equipped with feed inlet, accumulator tank is equipped with flow back interface tube and the gas phase interface tube positioned at reflux interface tube side far from the top side of feed inlet, gas phase interface tube is connect with soda acid system.The utility model has the advantages that in turn convenient for taking out the higher acid o-dichlorohenzene of purity in sample tap, and then the removal process of acid o-dichlorohenzene is realized, while improving acid o-dichlorohenzene recycling purity, and then effectively avoid the corrosion of pipeline and equipment.
Description
Technical field
The utility model relates to polyurethane production technology necks, it particularly relates to a kind of recycling acidity o-dichlorobenzene solution
Device.
Background technique
Solvent is made using o-dichlorohenzene, just in the technique of part producing TDI (toluene di-isocyanate(TDI)) in the world at present
In normal production process, a certain amount of o-dichlorohenzene waste liquid can be generated, include COCL2 (phosgene), TDI, HCL (hydrogen chloride) and
H2O (water).Wherein, such waste material is directly returned to production system, will lead to pipeline and equipment heavy corrosion by the presence of H2O, and
TDI can polymerize rapidly at high temperature with H2O, and portioned product is caused to lose.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Utility model content
For the problems in the relevant technologies, the utility model proposes a kind of device for recycling acid o-dichlorobenzene solution, with
Overcome above-mentioned technical problem present in existing the relevant technologies.
For this purpose, the specific technical solution that the utility model uses is as follows:
A kind of device recycling acid o-dichlorobenzene solution, the circulation including accumulator tank and below the accumulator tank
Pump, the inside of the accumulator tank are equipped with several absorbing rods, and the outside of the absorbing rod is equipped with several apertures, the absorbing rod
Inside be equipped with molecular sieve disinfecting mechanism, the outer cover of the accumulator tank is equipped with cooling water jecket, the one of the cooling water jecket
Side is equipped with water pipe one and is set to the water pipe two of cooling water jecket bottom end side, and the water pipe one and the water pipe two are distinguished
It is connected with water tank, the top side of the accumulator tank is equipped with feed inlet, top side of the accumulator tank far from the feed inlet
Gas phase interface tube equipped with reflux interface tube and positioned at the reflux interface tube side, the gas phase interface tube and soda acid system connect
It connects, the bottom end side of the accumulator tank is equipped with the pipeline connecting with the circulating pump, and one end of the circulating pump, which is connected with, to be sent outside
Pipe, described one end for sending pipe outside are connect with reception system, and described send outside is connected between pipe and the reflux interface tube by return pipe
It connecing, the pipeline and described send outside are connected between pipe by being located at the circulation pipe of the circulating pump side, and the one of the circulation pipe
Side is equipped with sample tap.
Further, the molecular sieve disinfecting mechanism includes Muffle furnace, and the two sides of the Muffle furnace are respectively equipped with nitrogen guarantor
Pillar and chimney.
Further, the pipeline is equipped with filter.
Further, the both ends of the accumulator tank are equipped with several nozzles.
Further, the absorbing rod is T-shaped structure, and the absorbing rod is cavity structure open at one end, described small
Molecular sieve is equipped in hole.
Further, the aperture is circular configuration, and the diameter of the aperture is greater than horizontally disposed two described small
The spacing in hole, horizontally disposed two apertures are greater than the spacing for two apertures being vertically arranged.
The utility model has the following beneficial effects: passing through settingMolecular sieve and the cooling water jecket 11 being equipped with, just
In raisingMolecular sieve adsorbs the hydrone in acid o-dichlorobenzene solution, and then the object of acid o-dichlorobenzene solution
Matter (in addition to water molecule) diameter is all larger thanThe diameter of molecular sieve, therefore improveMolecular sieve imitates the absorption of hydrone
Rate, while by the return pipe of setting, convenient for carrying out circulate operation to acid o-dichlorobenzene solution, and then convenient in sample tap
The higher acid o-dichlorohenzene of purity is taken out, and then realizes the removal process of acid o-dichlorohenzene, while improving acid neighbour
Dichloro-benzenes recycles purity, and then effectively avoids the corrosion of pipeline and equipment.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is the structural representation according to a kind of device of recycling acidity o-dichlorobenzene solution of the utility model embodiment
Figure；
Fig. 2 is the structure according to a kind of device Muffle furnace of recycling acidity o-dichlorobenzene solution of the utility model embodiment
Schematic diagram；
Fig. 3 is the structure according to a kind of device accumulator tank of recycling acidity o-dichlorobenzene solution of the utility model embodiment
Schematic diagram；
Fig. 4 is the structure according to a kind of device absorbing rod of recycling acidity o-dichlorobenzene solution of the utility model embodiment
Schematic diagram；
Fig. 5 is the enlarged diagram in Fig. 4 at A.
In figure:
1, accumulator tank；2, absorbing rod；3, circulating pump；4, Muffle furnace；5, flow back interface tube；6, gas phase interface tube；7, it feeds
Mouthful；8, aperture；9, nitrogen protection pipe；10, chimney；11, cooling water jecket；12, water pipe one；13, water pipe two；14, water tank；15,
Pipeline；16, filter；17, sample tap；18, pipe is sent outside；19, return pipe；20, circulation pipe；21, nozzle.
Specific embodiment
To further illustrate each embodiment, the utility model is provided with attached drawing, these attached drawings are in the utility model discloses
A part of appearance mainly to illustrate embodiment, and can cooperate the associated description of specification former come the running for explaining embodiment
Reason, cooperation refer to these contents, and those of ordinary skill in the art will be understood that other possible embodiments and this is practical new
The advantages of type, the component in figure is not necessarily to scale, and similar component symbol is conventionally used to indicate similar component.
Embodiment according to the present utility model provides a kind of device for recycling acid o-dichlorobenzene solution.
Embodiment one:
As shown in Figs. 1-5, according to the device of the acid o-dichlorobenzene solution of the recycling of the utility model embodiment, including recycling
Slot 1 and the circulating pump 3 below the accumulator tank 1, the inside of the accumulator tank 1 are equipped with several absorbing rods 2, the absorption
The outside of stick 2 is equipped with several apertures 8, and the inside of the absorbing rod 2 is equipped with molecular sieve disinfecting mechanism, the accumulator tank 1 it is outer
Portion is arranged with cooling water jecket 11, and the side of the cooling water jecket 11 is equipped with water pipe 1 and is set to the cooling water jecket
The water pipe 2 13 of 11 bottom ends side, the water pipe 1 and the water pipe 2 13 are connected separately with water tank 14, the accumulator tank 1
Top side be equipped with feed inlet 7, the accumulator tank 1 is equipped with reflux interface tube 5 and position far from the top side of the feed inlet 7
Gas phase interface tube 6 in reflux 5 side of interface tube, the gas phase interface tube 6 are connect with soda acid system, the accumulator tank 1
Bottom end side be equipped with the pipeline 15 that connect with the circulating pump 3, one end of the circulating pump 3, which is connected with, sends pipe 18 outside, described
The one end for sending pipe 18 outside is connect with reception system, and described send outside is connected between pipe 18 and the reflux interface tube 5 by return pipe 19
It connects, the pipeline 15 and described send outside are connected between pipe 18 by being located at the circulation pipe 20 of 3 side of circulating pump, described to follow
The side of endless tube 20 is equipped with sample tap 17.
With the aid of the technical scheme, pass through settingMolecular sieve and the cooling water jecket 11 being equipped with, convenient for mentioning
It is highMolecular sieve adsorbs the hydrone in acid o-dichlorobenzene solution, and then the substance of acid o-dichlorobenzene solution (removes
Outside hydrone) diameter is all larger thanThe diameter of molecular sieve, therefore improveMolecular sieve is to the adsorption efficiency of hydrone, together
When by the return pipe 19 of setting, convenient for carrying out circulate operation to acid o-dichlorobenzene solution, and then convenient in sample tap 17
The higher acid o-dichlorohenzene of purity is taken out, and then realizes the removal process of acid o-dichlorohenzene, while improving acid neighbour
Dichloro-benzenes recycles purity, and then effectively avoids the corrosion to pipeline and equipment.
Embodiment two:
As shown in Fig. 2, the molecular sieve disinfecting mechanism includes Muffle furnace 4, the two sides of the Muffle furnace 4 are respectively equipped with nitrogen
Protection pipe 9 and chimney 10.
As shown in Figure 1, the pipeline 15 is equipped with filter 16.
As shown in Figure 1,3, the both ends of the accumulator tank 1 are equipped with several nozzles 21.
As shown in figure 4, the absorbing rod 2 is T-shaped structure, and the absorbing rod 2 is cavity structure open at one end, described
Molecular sieve is equipped in aperture 8.When specifically used, the opening diameter of absorbing rod 2 can be 250 millimeters.And described point
Son sievesMolecular sieve.The height of the absorbing rod 2 is 1,300 millimeters, and 8 distribution height of aperture is 1,000 millimeters.
As shown in Fig. 3,4,5, the aperture 8 is circular configuration, and the diameter of the aperture 8 is greater than horizontally disposed two
The spacing of the aperture 8, horizontally disposed two apertures 8 are greater than the spacing for two apertures 8 being vertically arranged.It is described
The diameter of aperture 8 is 1 point 5 millimeter, and the spacing of horizontally disposed two apertures 8 is 1 point 2 millimeter, is vertically arranged
The spacing of two apertures 8 is one millimeter.
Working principle: in use, putting into 40 kilograms of acid o-dichlorobenzene solution into feed inlet 7 enters accumulator tank 1
In, so that acid o-dichlorobenzene solution enters in Muffle furnace 4, by being passed through into nitrogen protection pipe 9 nitrogen two hours,
Accumulator tank is closed nitrogen and is passed through in Muffle furnace 4 simultaneously, while Muffle furnace 4 is warming up to 330 degrees Celsius, and high temperature is unfavorable for
Absorption of the molecular sieve to hydrone, and then cooling water is put into cooling water jecket 11, cooling water circulation is formed, while water recycles
Twenty four hours, to control the adsorption temp of molecular sieve, since hydrone diameter isAndThe diameter of molecular sieve is 3
There is extremely strong adsorption capacity to 5 millimeters, and then to hydrone, however in acid o-dichlorobenzene solution, the molecule of other substances
Diameter is much larger thanThe aperture of molecular sieve, and then realizeAbsorption of the molecular sieve to hydrone, and then pass through filter
16 and circulating pump 3 setting, realize and the substance after absorption repeatedly recycled, at the same by return pipe 19 and reflux interface tube 5
Connection so that filtered substance carries out circulating filtration, and then improves the recycling purity of acid o-dichlorohenzene.
In conclusion passing through setting by means of the above-mentioned technical proposal of the utility modelMolecular sieve is simultaneously equipped with
Cooling water jecket 11, convenient for improveMolecular sieve adsorbs the hydrone in acid o-dichlorobenzene solution, and then acid
Substance (in addition to water molecule) diameter of o-dichlorobenzene solution is all larger thanThe diameter of molecular sieve, therefore improveMolecular sieve
To the adsorption efficiency of hydrone, while by the return pipe 19 of setting, convenient for carrying out circulate operation to acid o-dichlorobenzene solution,
And then convenient for taking out the higher acid o-dichlorohenzene of purity in sample tap 17, and then realize the recycling of acid o-dichlorohenzene
Journey, while acid o-dichlorohenzene recycling purity is improved, and then effectively avoid the corrosion of pipeline and equipment.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (6)
1. a kind of device for recycling acid o-dichlorobenzene solution, which is characterized in that including accumulator tank (1) and be located at the accumulator tank
(1) inside of the circulating pump (3) below, the accumulator tank (1) is equipped with several absorbing rods (2), the outside of the absorbing rod (2)
Equipped with several apertures (8), the inside of the absorbing rod (2) is equipped with molecular sieve disinfecting mechanism, the outer cover of the accumulator tank (1)
Equipped with cooling water jecket (11), the side of the cooling water jecket (11) is equipped with water pipe one (12) and is set to the cooling water folder
The water pipe two (13) of (11) bottom end side is covered, the water pipe one (12) and the water pipe two (13) are connected separately with water tank (14),
The top side of the accumulator tank (1) is equipped with feed inlet (7), top side of the accumulator tank (1) far from the feed inlet (7)
Gas phase interface tube (6) equipped with reflux interface tube (5) and positioned at described reflux interface tube (5) side, the gas phase interface tube (6)
It is connect with soda acid system, the bottom end side of the accumulator tank (1) is equipped with the pipeline (15) connecting with the circulating pump (3), described
One end of circulating pump (3), which is connected with, to be sent outside pipe (18), and described one end for sending pipe (18) outside is connect with the system of reception, described to send pipe outside
(18) connect between the reflux interface tube (5) by return pipe (19), the pipeline (15) with it is described send outside pipe (18) it
Between connected by being located at the circulation pipe (20) of the circulating pump (3) side, the side of the circulation pipe (20) is equipped with sample tap
(17)。
2. a kind of device for recycling acid o-dichlorobenzene solution according to claim 1, which is characterized in that the molecular sieve
Disinfecting mechanism includes Muffle furnace (4), and the two sides of the Muffle furnace (4) are respectively equipped with nitrogen protection pipe (9) and chimney (10).
3. a kind of device for recycling acid o-dichlorobenzene solution according to claim 1, which is characterized in that the pipeline
(15) filter (16) are equipped with.
4. a kind of device for recycling acid o-dichlorobenzene solution according to claim 1, which is characterized in that the accumulator tank
(1) both ends are equipped with several nozzles (21).
5. a kind of device for recycling acid o-dichlorobenzene solution according to claim 1, which is characterized in that the absorbing rod
It (2) is T-shaped structure, and the absorbing rod (2) is cavity structure open at one end, is equipped with molecular sieve in the aperture (8).
6. a kind of device for recycling acid o-dichlorobenzene solution according to claim 1, which is characterized in that the aperture
(8) it is circular configuration, and the diameter of the aperture (8) is greater than the spacing of horizontally disposed two apertures (8), is horizontally disposed with
Two apertures (8) be greater than the spacing of two apertures (8) being vertically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822098373.3U CN209575840U (en) | 2018-12-14 | 2018-12-14 | A kind of device recycling acid o-dichlorobenzene solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822098373.3U CN209575840U (en) | 2018-12-14 | 2018-12-14 | A kind of device recycling acid o-dichlorobenzene solution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209575840U true CN209575840U (en) | 2019-11-05 |
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ID=68349072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822098373.3U Active CN209575840U (en) | 2018-12-14 | 2018-12-14 | A kind of device recycling acid o-dichlorobenzene solution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209575840U (en) |
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2018
- 2018-12-14 CN CN201822098373.3U patent/CN209575840U/en active Active
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