CN208717193U - A kind of agene pollution discharge pond for benzyl chloride production - Google Patents
A kind of agene pollution discharge pond for benzyl chloride production Download PDFInfo
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- CN208717193U CN208717193U CN201820404424.8U CN201820404424U CN208717193U CN 208717193 U CN208717193 U CN 208717193U CN 201820404424 U CN201820404424 U CN 201820404424U CN 208717193 U CN208717193 U CN 208717193U
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Abstract
A kind of agene pollution discharge pond for benzyl chloride production, including pollution discharge pond, an exhaust outlet is equipped at the top of the pollution discharge pond, the exhaust outlet is connect with exhaust column, sewage pipe is additionally provided at the top of the pollution discharge pond, the sewage pipe is extended at blowdown bottom of pond portion and crossing distribution device center and is connect, bottom is equipped with cooling water coil in the pollution discharge pond, the blowdown bottom of pond portion is additionally provided with leakage fluid dram, the leakage fluid dram is connect with the input terminal of liquid alkaline transfering material pump, and the output end inlet tube of the liquid alkaline transfering material pump is connected with outlet tube；The utility model increases that DN50 cooling water coil is a set of, and cooling water is walked in inside in blowdown bottom of pond portion, cools down to liquid alkaline, and on liquid alkaline transfering material pump pipeline plus a DN25 sewage pipe is connected into pollution discharge pond, and when discharge gas opens internal circulation pump and valve, carries out internal circulation.It is covered with the pore that diameter is about 1mm above crossing distribution device, discharge gas is made to be evenly distributed.
Description
Technical field
The utility model relates to chemical industry pollution discharge pond, especially a kind of agene blowdown for benzyl chloride production
Pond.
Background technique
It is reacted in the technique for generating benzyl chloride in chlorine with toluene, reaction raw materials liquid chlorine need to be heated first and be vaporizated into gaseous state chlorine
It can participate in reacting.Contain a small amount of agene in general liquid chlorine, due to the high-leveled and difficult vaporization of agene boiling point, in vaporescence
In can constantly be accumulated in chlorine liquid carburetor bottom.Agene is a kind of unstable substance, is divided under the certain conditions such as shock
Solution releases a large amount of thermally-induced explosion, therefore needs periodically to carry out blowdown to chlorine liquid carburetor, and agene is emitted into a length and width
Depth is that the NaOH solution of 15% to 20% concentration is housed in the square groove of 1*1*0.5m, and in square groove, in agene and part chlorine
Gas is absorbed (note: sewage pipe lower end is away from square groove bottom about 0.1m).It is found in use process:
1. square groove volume is too small, the amount for absorbing discharge gas is fewer；
2. square groove temperature is excessively high (exothermic reaction) in discharge process, it is unfavorable for gas absorption；
3. discharge gas can not be uniformly distributed in square groove；
4. if gas can not be will lead to portion of exhaust gas and be entered atmosphere, there are security risks by absorbing by liquid caustic soda.
Utility model content
It is above-mentioned to solve the purpose of this utility model is to provide a kind of agene pollution discharge pond for benzyl chloride production
The problem of being proposed in background technique.
The technical solution adopted in the utility model is: a kind of agene pollution discharge pond for benzyl chloride production, including row
Dirty pond, the pollution discharge pond top are equipped with an exhaust outlet, and the exhaust outlet is connect with exhaust column, the row of being additionally provided at the top of the pollution discharge pond
Dirt pipe, the sewage pipe are extended at blowdown bottom of pond portion and crossing distribution device center and are connect, and bottom is equipped in the pollution discharge pond
Cooling water coil, the blowdown bottom of pond portion are additionally provided with leakage fluid dram, and the leakage fluid dram is connect with the input terminal of liquid alkaline transfering material pump, described
The output end inlet tube of liquid alkaline transfering material pump is connected with outlet tube.
Preferably, the pore that diameter is 0.8~1.2mm is distributed on the crossing distribution device.
Preferably, the inlet tube is equipped with circulating valve.
The utility model is a set of in blowdown bottom of pond portion increase DN50 cooling water coil, and cooling water is walked in inside, carries out to liquid alkaline
Cooling, on liquid alkaline transfering material pump pipeline plus a DN25 sewage pipe is connected into pollution discharge pond, and when discharge gas opens internal circulation pump and valve
Door carries out internal circulation.It is covered with the pore that diameter is about 1mm above crossing distribution device, discharge gas is made to be evenly distributed.Exhaust column
Effect be discharge gas can not absorb when by gas suction accident treatment tower handle, prevent from leaking outside.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of crossing distribution device in the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
A kind of agene pollution discharge pond for benzyl chloride production, including pollution discharge pond 1, a height of 1.5*1.5* of pollution discharge pond length and width
1m.An exhaust outlet 13 is equipped at the top of the pollution discharge pond 1, the exhaust outlet is connect with exhaust column 12, and 1 top of pollution discharge pond is also set
There is sewage pipe 11, the sewage pipe is extended at blowdown bottom of pond portion and 3 center of crossing distribution device and connect, crossing distribution device 3
On be distributed with diameter be 0.8~1.2mm pore 31.Bottom is equipped with cooling water coil 5, the pollution discharge pond in the pollution discharge pond 1
Bottom is additionally provided with leakage fluid dram 15, and the leakage fluid dram 15 is connect with the input terminal of liquid alkaline transfering material pump 2, the liquid alkaline transfering material pump 2 it is defeated
Outlet inlet tube 61 and outlet tube 62 connect, and inlet tube 61 is equipped with circulating valve.
Its working principle: the agene that sewage pipe produces benzyl chloride is sent on blowdown bottom of pond portion crossing distribution device,
So that chlorine is evenly distributed, chlorine is reacted with the NaOH solution of 15% to 20% concentration.Pollution discharge pond temperature is excessively high in discharge process, leads to
Supercooled water coil pipe carries out cooling down processing to pollution discharge pond；The gas that can not be handled is extracted out by exhaust tube, is then going thing
Therefore treating column is absorbed.Liquid alkaline after saturation is squeezed into waste liquid tank by outlet tube 62.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (3)
1. a kind of agene pollution discharge pond for benzyl chloride production, including pollution discharge pond, it is characterised in that at the top of the pollution discharge pond
Equipped with an exhaust outlet, the exhaust outlet is connect with exhaust column, and sewage pipe is additionally provided at the top of the pollution discharge pond, and the sewage pipe extends
It is connect to blowdown bottom of pond portion and crossing distribution device center, bottom is equipped with cooling water coil, the blowdown in the pollution discharge pond
Bottom of pond portion is additionally provided with leakage fluid dram, and the leakage fluid dram is connect with the input terminal of liquid alkaline transfering material pump, the output end of the liquid alkaline transfering material pump
Inlet tube is connected with outlet tube.
2. a kind of agene pollution discharge pond for benzyl chloride production according to claim 1, it is characterised in that described ten
The pore that diameter is 0.8~1.2mm is distributed on font distributor.
3. it is according to claim 1 it is a kind of for benzyl chloride production agene pollution discharge pond, it is characterised in that it is described into
Liquid pipe is equipped with circulating valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820404424.8U CN208717193U (en) | 2018-03-24 | 2018-03-24 | A kind of agene pollution discharge pond for benzyl chloride production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820404424.8U CN208717193U (en) | 2018-03-24 | 2018-03-24 | A kind of agene pollution discharge pond for benzyl chloride production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208717193U true CN208717193U (en) | 2019-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820404424.8U Active CN208717193U (en) | 2018-03-24 | 2018-03-24 | A kind of agene pollution discharge pond for benzyl chloride production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117942749A (en) * | 2024-03-25 | 2024-04-30 | 连云港市工投集团利海化工有限公司 | Tail gas treatment device for benzyl chloride production |
-
2018
- 2018-03-24 CN CN201820404424.8U patent/CN208717193U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117942749A (en) * | 2024-03-25 | 2024-04-30 | 连云港市工投集团利海化工有限公司 | Tail gas treatment device for benzyl chloride production |
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