CN202410238U - Separation equipment used in process of alkali liquor separation through cyclohexane oxidation liquid - Google Patents
Separation equipment used in process of alkali liquor separation through cyclohexane oxidation liquid Download PDFInfo
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- CN202410238U CN202410238U CN 201120511131 CN201120511131U CN202410238U CN 202410238 U CN202410238 U CN 202410238U CN 201120511131 CN201120511131 CN 201120511131 CN 201120511131 U CN201120511131 U CN 201120511131U CN 202410238 U CN202410238 U CN 202410238U
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- separation
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- oxide solution
- alkali lye
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Abstract
The utility model provides separation equipment used in the process of alkali liquor separation through cyclohexane oxidation liquid. The separation equipment is characterized by comprising a stock solution tank and a separating tank, wherein a feeding distributor, a liquid drop multiplication stuffing separation component and a special plate combined type phase separating component are arranged inside the separating tank, the raw material enters to the separating tank through the feeding distributor after entering into the stock solution tank, and liquid drop multiplication separation is performed in a composite manner that the raw materials pass through the liquid drop multiplication stuffing separation component firstly and then pass through the special plate combined type phase separator component. The composite separation manner can reduce concentration at a follow-up fine separation inlet, and can improve the separation accuracy of final process. The separation manner has the advantages that the long residence time is shortened, outlet entrainment is reduced, the water injection use level is lowered, and the steady operation is achieved when working conditions are unstable.
Description
Technical field
The utility model relates to a kind of cyclohexane oxide solution and divides saponification separation and first order washing in the alkali lye technology to separate the device for phase saparation that separates with second level washing.
Background technology
The Cyclohexanone Production process is: benzene is through being hydrogenated into cyclohexane; Cyclohexane decomposes the back cyclohexane oxidation through air oxidation again and generates cyclohexanone, and the production process of cyclohexanone mainly comprises will comprise oxidation, decomposition, salkali waste separations, alkane distillation, saponification, make with extra care, dehydrogenation and recuperation of heat and tail gas recycle etc.The oxidation liquid that wherein oxidation technology produced is handled with 3%～5% NaOH in decomposing pot; Generation is the saponification waste lye of key component with water, NaOH, organic acid sodium salt, organic oligomer; If these spent lyes are brought in the follow-up alkane destilling tower with logistics; Concentrating of alkali and organic sodium salt and cyclohexanone; Make the continuous slagging scorification of reboiler meeting cause the reboiler fouling of alkane destilling tower, thereby cause supplies consumption to increase, and make the driving cycle of alkane destilling tower to shorten significantly.
Extensively adopt gravity settling technology preliminary treatment cyclo-hexane oxidation waste alkali, coalescence technology fine processing cyclohexane oxide solution at present.The gravity settling technology required time is long, equipment investment is big and separative efficiency is low, can't effectively organic facies be separated with buck mutually, and buck still has water, the alkali about 1% after separating.During sedimentation separation, the time of staying must not be less than 12min in the saponification separator for material, and material is not less than 18min at the washing disengaging time.It seems that from actual motion the sedimentation separation effect is bad always.Required time of staying of sedimentation separation is longer, and when the process stream amount occurring and increase suddenly, sedimentation separation can not realize stable outlet separation accuracy for downstream.
Adopt the phase separator of higher separation accuracy can improve the saponification liquor separation accuracy, in water-washing process, reduce the soft water consumption, reduce the consumption that follow-up spent liquor evaporation is carried steam when dense.
The utility model content
The utility model problem to be solved is: the required time to existing in the above process employing gravitational settling is long, equipment investment is big and separative efficiency is low; The shortcoming that material consumption and energy consumption are big provides a cyclohexane oxide solution to divide saponification separation and first order washing in the alkali lye technology to separate the device for phase saparation that separates with second level washing.In order to reduce disengaging time, reduce equipment investment, improve separation accuracy, reduce material consumption and energy consumption during reduction.
The utility model technical problem to be solved is able to solve through following technical scheme:
A kind of separation equipment that is applied in the technology that cyclohexane oxide solution divides alkali lye; It is characterized in that: comprise original fluid container and knockout drum; Be provided with rectifier, drop multiplication filler separation assembly, specific panel group formula phase separator assembly in the knockout drum, after raw material gets into original fluid container, get into knockout drum through feed distributor;, carry out the drop multiplication through the complex method of specific panel group formula phase separator assembly again and separate through drop multiplication filler separation assembly with earlier.
Offer material inlet on the described original fluid container, the original fluid container bottom offers the original fluid container sewage draining exit, and the top of knockout drum offers light phase export, the thermometer mouth of pipe, the safety valve mouth of pipe, and the little cylindrical shell of knockout drum bottom offers knockout drum sewage draining exit, heavy out.
Described original fluid container is provided with liquid distribution trough.
Be provided with rectifier in the described knockout drum.
Described knockout drum light phase export portion is provided with anti-whirlpool baffle plate.
Described knockout drum is provided with the liquid level gauge mouth.
Described a kind of saponification separation and first order washing that is applied in the technology that cyclohexane oxide solution divides alkali lye separates the technology of washing the device for phase saparation that separates with the second level, and its characteristic may further comprise the steps:
A: cyclohexane oxide solution gets into saponification and separates phase separator, and outlet cyclohexane oxide solution in phase separator upper end gets into one-level washing phase separator, and separator lower end outlet alkali lye goes the salkali waste circulation.Described saponification separates phase separator and removes most undissolved alkali lye in the cyclohexane oxide solution.
B: the cyclohexane oxide solution that separates phase separator from saponification mixes the back through water filling and gets into first order washing phase separator, and outlet cyclohexane oxide solution in phase separator upper end gets into second level washing phase separator, and separator lower end outlet alkali lye goes the salkali waste circulation.Described water filling is in order to dissolve and dilute the alkali lye in the cyclohexane oxide solution.Described first order washing phase separator is removed overwhelming majority residue alkali lye in the cyclohexane oxide solution.
C: mix entering second level washing phase separator in back from the cyclohexane oxide solution of first order washing phase separator through water filling, outlet cyclohexane oxide solution in phase separator upper end gets into the coalescer essence and divides, and separator lower end outlet alkali lye goes the salkali waste circulation.Described water filling is in order to dissolve and dilute the residue alkali lye in the cyclohexane oxide solution.Described second level washing phase separator is removed a small amount of alkali lye of residue in the cyclohexane oxide solution.
The utility model a kind of is applied to saponification separation and first order washing in the technology that cyclohexane oxide solution divides alkali lye and separates and wash the device for phase saparation and the technology of separating with the second level and compared with prior art have following
Beneficial effect:
The utility model a kind of is applied to saponification separation and first order washing in the technology that cyclohexane oxide solution divides alkali lye and separates with the second level and wash the device for phase saparation and the technology of separating; Drop multiplication filler separation assembly and specific panel group formula separation assembly all have drop multiplication ability; They can adsorb by decentralized photo; Make the drop multiplication become big, thereby rapid subsidence is separated.The separate mode of this compound two kinds of separation assemblies can effectively improve separation accuracy, increases operating flexibility, reduces equipment size.This composite highly effective phase separator is stronger to the adaptability of separating operating mode, when in medium, containing a certain amount of impurity, also can guarantee the long-play of equipment, and the maintenance rate is low.In the shortcoming that gets into specific panel group formula separation assembly skewness, feed distributor is set to liquid, improves the separative efficiency of plate group.Cause during to material outlet that the knockout drum flow field is unstable, anti-whirlpool baffle plate is set.When a kind of compound phase separator of the utility model, cyclohexane oxide solution divided saponification separator and the first order washing separator in the alkali lye technology to wash these three operating modes of separator with the second level, operating flexibility and separation accuracy were higher.In order to reduce disengaging time, reduce equipment investment, improve separation accuracy, reduce material consumption and energy consumption.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is further specified.
The described a kind of device for phase saparation figure that is applied to the separation equipment in the technology that cyclohexane oxide solution divides alkali lye of Fig. 1 the utility model.
Wherein: 1, liquid distribution trough; 2, original fluid container; 3, original fluid container sewage draining exit; 4, drop multiplication filler separation assembly; 5, specific panel group formula separation assembly; 6, sewage draining exit; 7, heavy out; 8, prevent the whirlpool baffle plate; 9, light phase export; 10, the thermometer mouth of pipe; 11, relief valve port; 12, knockout drum; 13, rectifier; 14, import; 15, liquid level gauge.
Saponification separation and first order washing that Fig. 2 the utility model design a kind of is applied in the technology that cyclohexane oxide solution divides alkali lye separate the artwork of washing the device for phase saparation that separates with the second level.
The specific embodiment
A kind of saponification separation and first order washing that is applied in the technology that cyclohexane oxide solution divides alkali lye separates the device for phase saparation that separates with second level washing, it is characterized in that: its structure comprise original fluid container 2, knockout drum 12, liquid distribution trough 1, rectifier 13, drop double fiberfill assembly 4, specific panel group formula separation assembly 5, prevent whirlpool baffle plate assembly 8.Drop multiplication fiberfill assembly 4 with separate specific panel group formula separation assembly 5 and be arranged in the knockout drum.Described knockout drum 12 is divided into decentralized photo and is discharged little cylindrical shell, stablizes two-phase interface, prevents that alkali lye from carrying material secretly; The whirlpool baffle plate 8 of setting up defences in the said knockout drum is stablized the knockout drum flow field, strengthens separating effect.After raw material gets into original fluid container 2, get into knockout drum 12, through 4 of drop multiplication filler discrete group, carry out drop multiplication separation process through the complex method of specific panel group formula phase separator assembly 5 again with earlier through feed distributor.
Described original fluid container 2 is provided with liquid distribution trough 1.
Described a kind of saponification separation and first order washing that is applied in the technology that cyclohexane oxide solution divides alkali lye separates with the second level washes the device for phase saparation that separates, and it is characterized in that: be provided with rectifier 13 in the described knockout drum 12.
Be provided with drop multiplication fiberfill assembly 4 in the described knockout drum 12.
Be provided with specific panel group formula separation assembly 5 in the described knockout drum 12.
Described a kind of saponification separation and first order washing that is applied in the technology that cyclohexane oxide solution divides alkali lye separates the device for phase saparation that separates with second level washing, it is characterized in that: described knockout drum 12 light phase export portions are provided with and prevent whirlpool baffle plate 8.
Described a kind of saponification separation and first order washing that is applied in the technology that cyclohexane oxide solution divides alkali lye separates the technology of washing the device for phase saparation that separates with the second level, may further comprise the steps:
A: cyclohexane oxide solution gets into saponification and separates phase separator, and outlet cyclohexane oxide solution in phase separator upper end gets into one-level washing phase separator, and separator lower end outlet alkali lye goes the salkali waste circulation.Described saponification separates phase separator and removes most undissolved alkali lye in the cyclohexane oxide solution.
B: the cyclohexane oxide solution that separates phase separator from saponification mixes the back through water filling and gets into first order washing phase separator, and outlet cyclohexane oxide solution in phase separator upper end gets into second level washing phase separator, and separator lower end outlet alkali lye goes the salkali waste circulation.Described water filling is in order to dissolve and dilute the alkali lye in the cyclohexane oxide solution.Described first order washing phase separator is removed overwhelming majority residue alkali lye in the cyclohexane oxide solution.
C: mix entering second level washing phase separator in back from the cyclohexane oxide solution of first order washing phase separator through water filling, outlet cyclohexane oxide solution in phase separator upper end gets into the coalescer essence and divides, and separator lower end outlet alkali lye goes the salkali waste circulation.Described water filling is in order to dissolve and dilute the residue alkali lye in the cyclohexane oxide solution.Described second level washing phase separator is removed a small amount of alkali lye of residue in the cyclohexane oxide solution.
More than show and described the advantage of basic principle, principal character and the utility model of the utility model.The technical staff of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the specification that the utility model just is described; The utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.
Claims (6)
1. separation equipment that is applied in the technology that cyclohexane oxide solution divides alkali lye; It is characterized in that: comprise original fluid container and knockout drum; Be provided with rectifier, drop multiplication filler separation assembly, specific panel group formula phase separator assembly in the knockout drum, after raw material gets into original fluid container, get into knockout drum through feed distributor;, carry out the drop multiplication through the complex method of specific panel group formula phase separator assembly again and separate through drop multiplication filler separation assembly with earlier.
2. a kind of separation equipment that is applied in the technology that cyclohexane oxide solution divides alkali lye according to claim 1; It is characterized in that: offer material inlet on the described original fluid container; The original fluid container bottom offers the original fluid container sewage draining exit; The top of knockout drum offers light phase export, the thermometer mouth of pipe, the safety valve mouth of pipe, and the little cylindrical shell of knockout drum bottom offers knockout drum sewage draining exit, heavy out.
3. a kind of separation equipment that is applied in the technology that cyclohexane oxide solution divides alkali lye according to claim 1 and 2, it is characterized in that: described original fluid container is provided with liquid distribution trough.
4. a kind of separation equipment that is applied in the technology that cyclohexane oxide solution divides alkali lye according to claim 1 and 2 is characterized in that: be provided with rectifier in the described knockout drum.
5. a kind of separation equipment that is applied in the technology that cyclohexane oxide solution divides alkali lye according to claim 1 and 2 is characterized in that: described knockout drum light phase export portion is provided with anti-whirlpool baffle plate.
6. a kind of separation equipment that is applied in the technology that cyclohexane oxide solution divides alkali lye according to claim 1 and 2, it is characterized in that: described knockout drum is provided with the liquid level gauge mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120511131 CN202410238U (en) | 2011-12-09 | 2011-12-09 | Separation equipment used in process of alkali liquor separation through cyclohexane oxidation liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120511131 CN202410238U (en) | 2011-12-09 | 2011-12-09 | Separation equipment used in process of alkali liquor separation through cyclohexane oxidation liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202410238U true CN202410238U (en) | 2012-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120511131 Expired - Lifetime CN202410238U (en) | 2011-12-09 | 2011-12-09 | Separation equipment used in process of alkali liquor separation through cyclohexane oxidation liquid |
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| CN (1) | CN202410238U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110292791A (en) * | 2019-06-19 | 2019-10-01 | 聊城市鲁西化工工程设计有限责任公司 | The device and application method of salkali waste separating and extracting in a kind of Cyclohexanone Production |
-
2011
- 2011-12-09 CN CN 201120511131 patent/CN202410238U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110292791A (en) * | 2019-06-19 | 2019-10-01 | 聊城市鲁西化工工程设计有限责任公司 | The device and application method of salkali waste separating and extracting in a kind of Cyclohexanone Production |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201201 Shanghai, Pudong New Area Jin Tang Road, No. 2, block B, 145 Patentee after: SHANGHAI ANHORN ENVIRONMENTAL TECHNOLOGY CO., LTD. Address before: 201201 Shanghai, Pudong New Area Jin Tang Road, No. 2, block B, 145 Patentee before: Shanghai Anhorn Mechanical Equipment Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120905 |
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| CX01 | Expiry of patent term |