CN207862236U - It is a kind of high containing caprolactam wastewater processing retracting device - Google Patents
It is a kind of high containing caprolactam wastewater processing retracting device Download PDFInfo
- Publication number
- CN207862236U CN207862236U CN201820047266.5U CN201820047266U CN207862236U CN 207862236 U CN207862236 U CN 207862236U CN 201820047266 U CN201820047266 U CN 201820047266U CN 207862236 U CN207862236 U CN 207862236U
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- CN
- China
- Prior art keywords
- dehydrating tower
- condenser
- caprolactam
- retracting device
- wastewater processing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
It is a kind of high containing caprolactam wastewater processing retracting device, including a spray pump, one first dehydrating tower, one second dehydrating tower, a condenser；One end of the spray pump is connected at the sampling valve of the polymerization recovery system of discharge caprolactam wastewater, and the other end is connected to first dehydrating tower；First dehydrating tower is also respectively connected to second dehydrating tower, the condenser；Second dehydrating tower is also connected with the condenser.Waste water of the height containing caprolactam is no longer discharged into domestic sewerage systems by the utility model, the caprolactam recycling that polymerization recovery system is discharged.Not only pollution had been avoided, but also has prevented waste.
Description
Technical field
The utility model belongs to environmental technology field, and in particular to a kind of high containing caprolactam wastewater processing retracting device.
Background technology
It is long-term to polymerize waste water of the height containing caprolactam at the sampling valve of recovery system (oligomerisation separator and depolymerization separator)
It is in line enter domestic sewerage systems, but continuing to increase with environmental protection pressure be directly discharged into domestic sewerage systems and do not met environmental protection
Requirement, while also resulting in the waste of caprolactam raw material.
Originally environment both polluted using in line mode, and generated greatly negative effect to corporate image, enterprise is allowed to bear
The fine of environmental protection administration；Also cause the waste of raw material caprolactam.
Invention content
The technical problem to be solved by the utility model is to provide a kind of high containing caprolactam wastewater processing retracting device.
The utility model is realized in this way：
It is a kind of high containing caprolactam wastewater processing retracting device, including a spray pump, one first dehydrating tower, one second dehydration
Tower, a condenser；One end of the spray pump is connected at the sampling valve of the polymerization recovery system of discharge caprolactam wastewater, separately
One end is connected to first dehydrating tower；First dehydrating tower is also respectively connected to second dehydrating tower, the condenser；
Second dehydrating tower is also connected with the condenser.
The utility model has the advantage of：Waste water of the height containing caprolactam is no longer discharged into domestic sewerage systems, polymerization
The caprolactam recycling of recovery system discharge.Not only pollution had been avoided, but also has prevented waste.
Description of the drawings
The utility model will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the utility model structure diagram.
Specific implementation mode
As shown in Figure 1, a kind of high containing caprolactam wastewater processing retracting device, including a spray pump 1, one first dehydrating tower
2, one second dehydrating tower 3, a condenser 4.
One end of the spray pump 1 is connected to polymerization recovery system (the oligomerisation separator reconciliation of discharge caprolactam wastewater
Poly- separator) sampling valve at, the other end is connected to first dehydrating tower 2；First dehydrating tower 2 is also respectively connected to institute
State the second dehydrating tower 3, the condenser 4；Second dehydrating tower 3 is also connected with the condenser 4.
Details are as follows for the course of work of the system：
The height of oligomerisation separator (DB20-A-01R01) and depolymerization separator (DB40-A-01R01) will be come from containing acyl in oneself
The waste water (about 4~5% caprolactams) of amine squeezes into the first dehydrating tower 2 by spray pump 1, and the second dehydration is fully imported after dissolving
Tower 3 carries out concentration purification, and then entering back into polymerization process as raw material uses.Oneself of waste water system is discharged into after concentration purifies
Lactam content only surplus 0.13%.
Waste water of the height containing caprolactam is no longer discharged into domestic sewerage systems by the utility model, but polymerization recovery system
The caprolactam recycling of discharge.Not only pollution had been avoided, but also has prevented waste.
The product form and style of above-described embodiment and schema and non-limiting the utility model, any technical field
The appropriate changes or modifications that those of ordinary skill does it all should be regarded as the patent category for not departing from the utility model.
Claims (1)
1. a kind of high containing caprolactam wastewater processing retracting device, it is characterised in that：Including a spray pump, one first dehydrating tower,
One second dehydrating tower, a condenser；One end of the spray pump is connected to the polymerization recovery system of discharge caprolactam wastewater
At sampling valve, the other end is connected to first dehydrating tower；First dehydrating tower be also respectively connected to second dehydrating tower,
The condenser；Second dehydrating tower is also connected with the condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820047266.5U CN207862236U (en) | 2018-01-11 | 2018-01-11 | It is a kind of high containing caprolactam wastewater processing retracting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820047266.5U CN207862236U (en) | 2018-01-11 | 2018-01-11 | It is a kind of high containing caprolactam wastewater processing retracting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207862236U true CN207862236U (en) | 2018-09-14 |
Family
ID=63461280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820047266.5U Expired - Fee Related CN207862236U (en) | 2018-01-11 | 2018-01-11 | It is a kind of high containing caprolactam wastewater processing retracting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207862236U (en) |
-
2018
- 2018-01-11 CN CN201820047266.5U patent/CN207862236U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180914 Termination date: 20220111 |