CN205294889U - Multipurpose use of waste water system of alkyl plant - Google Patents
Multipurpose use of waste water system of alkyl plant Download PDFInfo
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- CN205294889U CN205294889U CN201521061312.XU CN201521061312U CN205294889U CN 205294889 U CN205294889 U CN 205294889U CN 201521061312 U CN201521061312 U CN 201521061312U CN 205294889 U CN205294889 U CN 205294889U
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- normal pressure
- waste water
- pipeline
- pressure tank
- liquid outlet
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Abstract
The utility model discloses a multipurpose use of waste water system of alkyl plant, including washing with alkaline jar, water washing tank, ordinary pressure jar etc, wash with alkaline jar with water washing tank's liquid outlet pass through the connecting tube merge the back with the inlet of ordinary pressure jar is connected, the gas outlet output liquefied gas of the upper end of ordinary pressure jar, the oil -out output alkylate at the middle part of ordinary pressure jar, the liquid outlet output alkali waste water of the lower extreme of ordinary pressure jar, the liquid outlet of ordinary pressure jar pass through the pipeline with the underground catch basin is connected, the inside of underground catch basin is equipped with the submerged pump, the output of submerged pump pass through the pipeline with the inlet of liquid storage pot is connected. The utility model discloses a multipurpose use of waste water system of alkyl plant realizes that the recovery of alkanisation waste liquid is recycled, and the loss of not only having practiced thrift alkali is extravagant, has reduced manufacturing cost, has still reduced the alkanisation and has contained the pollution of alkali waste liquid to the environment to anti -pollution pressure has been reduced.
Description
Technical field
This utility model relates to alkylation techniques field, particularly relates to the comprehensive utilization system for waste water of a kind of alkyl plant.
Background technology
Carbon tetra-alkylation is under acid catalyst effect, and in mixing carbon four, isobutane and butene reaction generates alkylate oil, the technique of the normal butane of by-product not olefin-containing simultaneously.
In carbon 4 liquid gas sulfuric acid process alkylation production process, when product being carried out refining, generally first use liquid sodium hydroxide washing alkylate oil, re-use the liquid caustic soda of trace in desalted water washing alkylate oil, wash the salkali waste liquid after alkylate oil and in waste water except containing a small amount of sodium hydroxide, liquefied gas and alkylate oil possibly together with trace, existing processing method is to enter oil interceptor after salkali waste liquid and waste water are directly discharged into underground blow-off line, liquefied gas volatilization in oil interceptor, alkylate oil is stayed in oil interceptor, regularly reclaims. But the waste liquid of alkalescence directly discharges not only contaminated environment, increase pollution treatment pressure, also result in the waste of alkali liquor, thus increasing production cost.
Utility model content
In view of this, this utility model provides the comprehensive utilization system for waste water of a kind of alkyl plant, it is possible to waste liquid is carried out recycling, reduces the discharging of waste liquid pollution to environment, thus reducing pollution treatment pressure.
This utility model solves the problems referred to above by techniques below means:
The comprehensive utilization system for waste water of alkyl plant of the present utility model, it is characterized in that: include caustic treater, water washing tank, normal pressure tank, ground lower sump, fluid reservoir, desulfurization pond, the liquid outlet of described caustic treater and described water washing tank is by being connected with the inlet of described normal pressure tank after connecting pipeline merging, the gas outlet output liquefied gas of the upper end of described normal pressure tank, the oil-out output alkylate oil at the middle part of described normal pressure tank, the liquid outlet output alkali waste water of the lower end of described normal pressure tank, the liquid outlet of described normal pressure tank is connected with described ground lower sump by pipeline, the inside of described ground lower sump is provided with submerged pump, the outfan of described submerged pump is connected with the inlet of described fluid reservoir by pipeline, the pipeline of the inlet end of described fluid reservoir is provided with the first valve, the liquid outlet of described fluid reservoir is connected with described desulfurization pond by pipeline, the pipeline of the liquid outlet end of described fluid reservoir is provided with the second valve, described desulfurization pond is connected with the inlet of desulfurizing tower by booster pump, the liquid outlet of described desulfurizing tower is connected with described desulfurization pond by pipeline.
Further, the pipeline after the merging of described caustic treater and described water washing tank rear end is provided with the 3rd valve.
Further, the gas outlet of described normal pressure tank is connected to escape pipe, and the other end of described escape pipe is connected with torch, and described escape pipe is provided with the 4th valve.
Further, the oil-out of described normal pressure tank is connected to flowline, and the other end of described flowline is connected with oil tank, and described flowline is provided with the 5th valve.
Further, the liquid outlet of described normal pressure tank is connected to drain pipe, and the other end of described drain pipe is connected with described ground lower sump, and described drain pipe is provided with the 6th valve.
Further, the inside in described desulfurization pond is provided with the pH detector of the pH value for detecting the alkali liquor in described desulfurization pond.
The comprehensive utilization system for waste water of alkyl plant of the present utility model, after the waste liquid that described caustic treater and described water washing tank export is merged, it is delivered in described normal pressure tank and stands at least one sky, natural gas in waste liquid is volatilized, overflow from the escape pipe of the upper end of described normal pressure tank, it is delivered to torch after-combustion by described escape pipe, alkylate oil in waste liquid exports from the oil-out in the middle part of described normal pressure tank, it is delivered to oil tank by described flowline, alkali waste water in waste liquid exports from the liquid outlet of the lower end of described normal pressure tank, it flow to described ground lower sump by described fluid reservoir, when opening described first valve, by described submerged pump, the alkali waste water in described ground lower sump is pumped in described fluid reservoir, when opening described second valve, by described fluid reservoir can be quantitative to conveying spent lye in described desulfurization pond, use described booster pump can be delivered in described desulfurizing tower by the spent lye in described desulfurization pond, sulfur-containing smoke gas is carried out desulfurization, in waste back-cycling desulfurization pond after desulfurization, thus realizing the recycling of alkylation waste liquid, not only save the loss waste of alkali, reduce production cost, also reduce the pollution to environment of the alkylation alkali waste, thus reducing pollution treatment pressure.
Accompanying drawing explanation
Fig. 1 is the structural representation of the comprehensive utilization system for waste water of this utility model alkyl plant.
Such as Fig. 1, caustic treater 1, water washing tank 2, normal pressure tank 3, lower sump 4, fluid reservoir 5, desulfurization pond 6, submerged pump 7, booster pump 8, desulfurizing tower the 9, first valve the 10, second valve the 11, the 3rd valve the 12, the 4th valve the 13, the 5th valve the 14, the 6th valve 15.
Detailed description of the invention
In description of the present utility model, it will be appreciated that, term " " center ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.
Term " first ", " second ", " the 3rd ", " the 4th ", " the 5th " and " the 6th " is only for descriptive purposes, and it is not intended that instruction or hint relative importance or the implicit quantity indicating indicated technical characteristic. Thus, define " first ", " second ", " the 3rd ", " the 4th ", " the 5th " and " the 6th " feature can express or implicitly include one or more these features. In description of the present utility model, except as otherwise noted, " multiple " are meant that two or more.
Below with reference to accompanying drawing, this utility model is described in detail, as shown in Figure 1: the comprehensive utilization system for waste water of the alkyl plant described in the present embodiment, including caustic treater 1, water washing tank 2, normal pressure tank 3, ground lower sump 4, fluid reservoir 5, desulfurization pond 6, the liquid outlet of described caustic treater 1 and described water washing tank 2 is by being connected with the inlet of described normal pressure tank 3 after connecting pipeline merging, the gas outlet output liquefied gas of the upper end of described normal pressure tank 3, the oil-out output alkylate oil at the middle part of described normal pressure tank 3, the liquid outlet output alkali waste water of the lower end of described normal pressure tank 3, the liquid outlet of described normal pressure tank 3 is connected with described ground lower sump 4 by pipeline, the inside of described ground lower sump 4 is provided with submerged pump 7, the outfan of described submerged pump 7 is connected with the inlet of described fluid reservoir by pipeline, the pipeline of the inlet end of described fluid reservoir is provided with the first valve 10, the liquid outlet of described fluid reservoir is connected with described desulfurization pond 6 by pipeline, the pipeline of the liquid outlet end of described fluid reservoir is provided with the second valve 11, described desulfurization pond 6 is connected with the inlet of desulfurizing tower 9 by booster pump 8, the liquid outlet of described desulfurizing tower 9 is connected with described desulfurization pond 6 by pipeline.
The comprehensive utilization system for waste water of the alkyl plant described in the present embodiment, after the waste liquid that described caustic treater 1 and described water washing tank 2 export is merged, it is delivered in described normal pressure tank 3 and stands at least one sky, natural gas in waste liquid is volatilized, overflow from the escape pipe of the upper end of described normal pressure tank 3, it is delivered to torch after-combustion by described escape pipe, alkylate oil in waste liquid exports from the oil-out in the middle part of described normal pressure tank 3, it is delivered to oil tank by described flowline, alkali waste water in waste liquid exports from the liquid outlet of the lower end of described normal pressure tank 3, it flow to described ground lower sump 4 by described fluid reservoir, when opening described first valve 10, by described submerged pump 7, the alkali waste water in described ground lower sump 4 is pumped in described fluid reservoir, when opening described second valve 11, by described fluid reservoir can be quantitative to conveying spent lye in described desulfurization pond 6, use described booster pump 8 can be delivered in described desulfurizing tower 9 by the spent lye in described desulfurization pond 6, sulfur-containing smoke gas is carried out desulfurization, in waste back-cycling desulfurization pond 6 after desulfurization, thus realizing the recycling of alkylation waste liquid, not only save the loss waste of alkali, reduce production cost, also reduce the pollution to environment of the alkylation alkali waste, thus reducing pollution treatment pressure.
As the further improvement of technique scheme, the pipeline after the merging of described caustic treater 1 and described water washing tank 2 rear end is provided with the 3rd valve 12, by described 3rd valve 12 scalable to described long night pipe the switch of transfusion and the flow of transfusion.
Further improvement as technique scheme, the gas outlet of described normal pressure tank 3 is connected to escape pipe, the other end of described escape pipe is connected with torch, described escape pipe is provided with the 4th valve 13, by the flow of the switch of the output liquefied gas of normal pressure tank 3 described in described 4th valve 13 scalable and output liquefied gas.
Further improvement as technique scheme, the oil-out of described normal pressure tank 3 is connected to flowline, the other end of described flowline is connected with oil tank, described flowline is provided with the 5th valve 14, by the flow of the switch of the output alkylate oil of normal pressure tank 3 described in described 5th valve 14 scalable and output alkylate oil.
Further improvement as technique scheme, the liquid outlet of described normal pressure tank 3 is connected to drain pipe, the other end of described drain pipe is connected with described ground lower sump 4, described drain pipe is provided with the 6th valve 15, by the flow of the switch of the output alkali waste water of normal pressure tank 3 described in described 6th valve 15 scalable and output alkali waste water.
Further improvement as technique scheme, the inside in described desulfurization pond 6 is provided with the pH detector (not shown) of the pH value for detecting the alkali liquor in described desulfurization pond 6, in real time the pH value of the alkali liquor in described desulfurization pond 6 can be detected, when described pH value is close to neutral value, open described second switch, alkali waste water in described fluid reservoir is delivered in desulfurization pond 6, so that the pH value of the alkali liquor in desulfurization pond 6 increases, makes alkali liquor maximize the use.
What finally illustrate is, above example is only in order to illustrate the technical solution of the utility model and unrestricted, although this utility model being described in detail with reference to preferred embodiment, it will be understood by those within the art that, the technical solution of the utility model can be modified or equivalent replacement, without deviating from objective and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (6)
1. the comprehensive utilization system for waste water of an alkyl plant, it is characterized in that: include caustic treater, water washing tank, normal pressure tank, ground lower sump, fluid reservoir, desulfurization pond, the liquid outlet of described caustic treater and described water washing tank is by being connected with the inlet of described normal pressure tank after connecting pipeline merging, the gas outlet output liquefied gas of the upper end of described normal pressure tank, the oil-out output alkylate oil at the middle part of described normal pressure tank, the liquid outlet output alkali waste water of the lower end of described normal pressure tank, the liquid outlet of described normal pressure tank is connected with described ground lower sump by pipeline, the inside of described ground lower sump is provided with submerged pump, the outfan of described submerged pump is connected with the inlet of described fluid reservoir by pipeline, the pipeline of the inlet end of described fluid reservoir is provided with the first valve, the liquid outlet of described fluid reservoir is connected with described desulfurization pond by pipeline, the pipeline of the liquid outlet end of described fluid reservoir is provided with the second valve, described desulfurization pond is connected with the inlet of desulfurizing tower by booster pump, the liquid outlet of described desulfurizing tower is connected with described desulfurization pond by pipeline.
2. the comprehensive utilization system for waste water of a kind of alkyl plant according to claim 1, it is characterised in that: the pipeline after the merging of described caustic treater and described water washing tank rear end is provided with the 3rd valve.
3. the comprehensive utilization system for waste water of a kind of alkyl plant according to claim 1, it is characterised in that: the gas outlet of described normal pressure tank is connected to escape pipe, and the other end of described escape pipe is connected with torch, and described escape pipe is provided with the 4th valve.
4. the comprehensive utilization system for waste water of a kind of alkyl plant according to claim 3, it is characterised in that: the oil-out of described normal pressure tank is connected to flowline, and the other end of described flowline is connected with oil tank, and described flowline is provided with the 5th valve.
5. the comprehensive utilization system for waste water of a kind of alkyl plant according to claim 4, it is characterized in that: the liquid outlet of described normal pressure tank is connected to drain pipe, the other end of described drain pipe is connected with described ground lower sump, and described drain pipe is provided with the 6th valve.
6. the comprehensive utilization system for waste water of a kind of alkyl plant according to claim 1, it is characterised in that: the inside in described desulfurization pond is provided with the pH detector of the pH value for detecting the alkali liquor in described desulfurization pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521061312.XU CN205294889U (en) | 2015-12-17 | 2015-12-17 | Multipurpose use of waste water system of alkyl plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521061312.XU CN205294889U (en) | 2015-12-17 | 2015-12-17 | Multipurpose use of waste water system of alkyl plant |
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| Publication Number | Publication Date |
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| CN205294889U true CN205294889U (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521061312.XU Expired - Fee Related CN205294889U (en) | 2015-12-17 | 2015-12-17 | Multipurpose use of waste water system of alkyl plant |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106380014A (en) * | 2016-08-29 | 2017-02-08 | 江山市双氧水有限公司 | Graded diversion recycling apparatus of hydrogen peroxide production process wastewater |
| CN108285216A (en) * | 2018-01-05 | 2018-07-17 | 田晓良 | A kind of ionic liquid alkylation waste water and dregs combined treatment process and device |
-
2015
- 2015-12-17 CN CN201521061312.XU patent/CN205294889U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106380014A (en) * | 2016-08-29 | 2017-02-08 | 江山市双氧水有限公司 | Graded diversion recycling apparatus of hydrogen peroxide production process wastewater |
| CN108285216A (en) * | 2018-01-05 | 2018-07-17 | 田晓良 | A kind of ionic liquid alkylation waste water and dregs combined treatment process and device |
| CN108285216B (en) * | 2018-01-05 | 2021-01-12 | 田晓良 | Combined treatment process and device for ionic liquid alkylation wastewater and waste residues |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20161217 |
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| CF01 | Termination of patent right due to non-payment of annual fee |