CN213865801U - Cyclohexanol waste liquid separation recovery unit - Google Patents
Cyclohexanol waste liquid separation recovery unit Download PDFInfo
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- CN213865801U CN213865801U CN202022878853.9U CN202022878853U CN213865801U CN 213865801 U CN213865801 U CN 213865801U CN 202022878853 U CN202022878853 U CN 202022878853U CN 213865801 U CN213865801 U CN 213865801U
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- cyclohexanol
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Abstract
The utility model discloses a cyclohexanol waste liquid separation recovery unit, including the separator, filter element, the circulating pump, evaporimeter and nitrogen device, the separator includes the filtering area and deposits the liquid district, be provided with a plurality of filter element with the discharging pipe intercommunication in the filtering area, the entry of circulating pump and the export intercommunication of evaporimeter, the export of circulating pump and the lower extreme entry intercommunication of evaporimeter, the export of circulating pump still with deposit the feed inlet intercommunication in liquid district, the discharge gate of the discharging pipe of filtering area leads to and filters liquid pipeline and storage tank intercommunication, the discharge gate still passes through circulating pipeline and evaporimeter upper end entry intercommunication, the overflow mouth of filtering area passes through the pressure regulating pipeline and evaporimeter lower extreme entry intercommunication, deposit the supplementary discharge gate and the storage tank intercommunication in liquid district, the export of nitrogen device respectively with the overflow mouth, discharge gate and supplementary discharge gate intercommunication. The utility model discloses greatly reduce the solid content in the cyclohexanol waste liquid, effectively improve finished product quality, it is extravagant to reduce the cyclohexanol, has increased economic benefits simultaneously.
Description
Technical Field
The utility model relates to a solid-liquid separation field among the chemical industry technique especially relates to a cyclohexanol waste liquid separation recovery unit.
Background
In the chemical industry production, the solid-liquid separation technology is widely applied, and the solid-liquid separation technology is involved in the production processes of chemical industry, coating, paint, medical intermediates and the like. The cyclohexene hydration method produces cyclohexanol, and the cyclohexene reacts with the serous fluid mixture of hydration catalyst, and the oil phase product overflows from the top of the reaction kettle, and the serous fluid stays at the lower part of the reaction kettle. But the particle size of the catalyst is reduced due to aging and abrasion of the hydration catalyst and the like, and the catalyst enters a subsequent system along with gradual loss of the reaction oil phase, so that the problems of increased side reaction, reduced product quality, increased energy consumption and the like are caused. And the solid-liquid separation device in the general form can not well separate the catalyst particles with extremely fine particle size, which causes great troubles to the product quality and the recovery. The method is mainly used for solving the problem that the waste liquid accumulated in a system is discharged intermittently, but the waste liquid is large in on-site smell and not too environmental-friendly when being discharged, so that the production waste is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cyclohexanol waste liquid separation recovery unit solves the mixed waste liquid of molecular sieve catalyst granule problem of regularly discharging the processing.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model relates to a cyclohexanol waste liquid separation recovery unit, including separator, filter element, circulating pump, evaporimeter and nitrogen device, the separator includes the filtering area and deposits the liquid district, be provided with a plurality of filter element with the discharging pipe intercommunication in the filtering area, the entry of circulating pump with the export intercommunication of evaporimeter, the export of circulating pump with evaporimeter lower extreme entry intercommunication, the export of circulating pump still with deposit the feed inlet intercommunication in liquid district, the discharge gate of filtering area leads to and filters liquid pipeline and storage tank intercommunication, the discharge gate still through the circulating pipeline with evaporimeter upper end entry intercommunication, the overflow mouth of filtering area pass through the pressure regulating pipeline with evaporimeter lower extreme entry intercommunication, deposit the supplementary discharge gate in liquid district with storage tank intercommunication, the export of nitrogen device respectively with overflow mouth, nitrogen device, The discharge hole is communicated with the auxiliary discharge hole.
Furthermore, each communicating pipeline is provided with a control valve for controlling the medium flowing therein.
Furthermore, the separator is designed in an integrated mode, the inner surface of the separator is polished, the liquid storage area is of a cone structure, and the top of the filtering area is provided with a detachable upper cover.
Furthermore, the filter element is of a candle-shaped bag structure, a plurality of filter elements are arranged in the filter element, and the filter elements are tubular porous metal support pieces and externally coated with filter cloth with different precision.
Furthermore, a detachable flange is arranged in the filtering area, and a supporting piece of the filtering element is connected with the inner wall of the filtering area through the flange.
Still further, a discharge valve is arranged at a discharge opening of the separator, and a collecting device is arranged below the discharge opening.
Compared with the prior art, the utility model discloses a beneficial technological effect:
the utility model discloses utilize the circulating pump to make the cyclohexanol waste liquid that contains hydration catalyst circulate between evaporimeter and separator always, after a plurality of filter element, the solid is stayed and is formed the filter cake on the filter cloth, and filtrating collects and flows out the separator, weathers through nitrogen gas, the blowback makes solid state catalyst come off the separation, and it is extravagant to reduce the cyclohexanol, effectively improves finished product quality, simplifies subsequent waste material processing procedure.
The utility model discloses an use mechanical strength height, high temperature resistant, corrosion-resistant filter element (for example WCQ-A63 30S type filter element) with hydration catalyst separation, the big problem of on-the-spot smell when solving outer row waste liquid, environmental protection more avoids harming on-the-spot workman' S healthy.
The utility model discloses greatly reduce the solid content in the cyclohexanol waste liquid, effectively improve finished product quality, it is extravagant to reduce the cyclohexanol, has increased economic benefits simultaneously.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
FIG. 1 is a schematic structural diagram of the cyclohexanol waste liquid separating and recovering device of the present invention;
FIG. 2 is a schematic structural view of the separator of the present invention;
FIG. 3 is a cross-sectional view of a filter element of the present invention;
fig. 4 is a schematic structural diagram of the filter element of the present invention;
fig. 5 is a cross-sectional view of a filter cartridge of the present invention;
description of reference numerals: 1. a separator; 101. a filtration zone; 102. a liquid storage area; 103. a discharge opening; 104. An overflow port; 105. a discharge port; 106. a feed inlet; 107. an auxiliary discharge port; 2. a filter element; 3. A circulation pump; 4. an evaporator; 5. a nitrogen device; 6. a filtrate line; 7. a circulation line; 8. a pressure regulating pipeline; 9. a material storage tank.
Detailed Description
As shown in figure 1, the cyclohexanol waste liquid separating and recycling device comprises a separator 1, a filter element 2, a circulating pump 3, an evaporator 4 and a nitrogen device 5, wherein the separator 1 comprises a filter area 101 and a liquid storage area 102, a plurality of filter elements 2 communicated with a discharge pipe are arranged in the filter area 101, an inlet of the circulating pump 3 is communicated with an outlet of the evaporator 4, an outlet of the circulating pump 3 is communicated with a lower end inlet of the evaporator 4, an outlet of the circulating pump 3 is also communicated with a feed inlet 106 of the liquid storage area 102, a discharge outlet 105 of the discharge pipe of the filter area 101 is communicated with a storage tank 9 through a filtrate pipeline 6, the discharge outlet 105 is also communicated with an upper end inlet of the evaporator 4 through a circulating pipeline 7, an overflow port 104 of the filter area 101 is communicated with a lower end inlet of the evaporator 4 through a pressure regulating pipeline 8, an auxiliary discharge port 107 of the liquid storage area 102 is communicated with the storage tank 9, and an outlet of the nitrogen device 5 is respectively communicated with the overflow port 104, a nitrogen device and a nitrogen device, The discharge port 105 communicates with the auxiliary discharge port 107. And each communicating pipeline is provided with a control valve for controlling the medium flowing therein.
Specifically, an inlet of the circulating pump 3 is communicated with an outlet of the evaporator 4 through a valve, and an outlet of the circulating pump 3 is communicated with a lower end inlet of the evaporator 4 through a reflux valve; the outlet of the circulating pump 3 is also communicated with the feed inlet 106 of the liquid storage area 102 through a liquid inlet valve, the discharge outlet 105 of the filtering area 101 is communicated with the storage tank 9 through a filtrate pipeline 6, and one end of the filtrate pipeline 6, which is close to the storage tank 9, is provided with a filtrate valve; the discharge port 105 is also communicated with an inlet at the upper end of the evaporator 4 through a circulating pipeline 7, and a circulating valve is arranged at one end of the circulating pipeline 7, which is close to the discharge port 105; an overflow port 104 of the filtering area 101 is communicated with an inlet at the lower end of the evaporator 4 through a pressure regulating pipeline 8, and an overflow valve and a filtering pressure regulating valve are sequentially arranged on the pressure regulating pipeline 8; an auxiliary discharge port 107 of the liquid storage area 102 is communicated with the storage tank 9 through a bottom liquid discharge valve, and an outlet of the nitrogen device 5 is respectively communicated with the overflow port 104, the discharge port 105 and the auxiliary discharge port 107 through a nitrogen purge valve.
The separator 1 is of an integrated design and its inner surface is polished to reduce solid particle adhesion. The liquid storage area 102 is of a cone structure, so that dead angles are reduced, and solid residues are conveniently separated. The top of the filtering area 101 is provided with a detachable upper cover, which is convenient for installation and maintenance.
Specifically, the candle-shaped matrix filter element 2 is formed by combining 14 filter elements in a specific arrangement mode, and the candle-shaped material has high mechanical strength, high temperature resistance and corrosion resistance, and can fully separate a hydration catalyst from cyclohexanol waste liquid. The filter element 201 is coated with 1-20 micron filter cloth, which is soft high-strength filter cloth and has the characteristics of corresponding filtering precision, back-blowing pressure resistance, weak adsorption to oil, etc.
More specifically, a detachable flange is provided in the filtering area 101, the filtering element 2 is detachably connected to the flange, when the filter cake cannot be cleaned, the upper cover of the separator 1 can be opened, and the filter element 201 can be taken out for cleaning or replacement by detaching the flange.
The discharge opening 103 of the separator 1 is provided with a discharge valve and below the discharge opening 103 is provided with a collecting device.
The action process of the utility model is as follows:
firstly, referring to fig. 1-5, a circulating pump 3 is used to make cyclohexanol waste liquid containing a hydration catalyst enter a separator 1 from a feed inlet 106, after the waste liquid fills the separator 1, the cyclohexanol waste liquid is filtered by a plurality of filter elements 2, in the process, solid particles of the catalyst are left on filter cloth to form a filter cake, and the filtrate passes through a plurality of filter elements 201, then is collected by a pipeline, finally flows out of the separator 1 from a discharge outlet 105 and enters a storage tank 9.
The waste cyclohexanol liquid containing hydration catalyst is circulated between the evaporator 4 and the separator 1 by the circulation pump 3, and after long-time circulation filtration, when the pressure gauge on the connection pipeline between the circulation pump 3 and the separator 1 and the pressure gauge on the pressure regulating pipeline 8 reach a certain value difference, the filtration circulation is stopped, and the separated solid is discharged.
When the slag discharging operation is performed, feeding is stopped firstly, then the nitrogen device 5 is used for pressurizing through the overflow port 104 and the discharge port 105, slurry inside the filter element 2 is discharged reversely, slurry at the lower part of the filter element 2 is discharged to the storage tank 9 through the auxiliary discharge port 107, then the nitrogen is used for drying a filter cake on the filter cloth, and the nitrogen device 5 is used for enabling the filter cake to fall off through the back blowing of the auxiliary discharge port 107.
The valve of the discharge opening 103 is opened and the filter cake that falls off enters a collecting device provided below the separator 1.
In this embodiment, when the circulation pump 3 drives the cyclohexanol waste liquid containing the hydration catalyst to circulate between the evaporator 4 and the separator 1, the pressure may be unstable, and the pressure may be adjusted by the control valve on the pressure adjusting pipeline 8.
In the embodiment, after the filtering system is cut out, the materials in the system can continue to circulate outside the filtering system.
In this embodiment, a corresponding program is set for the process technology and the control valve in which the waste liquid is continuously circulated in the non-filtration process, and the main treatment processes set by the program include filtration, stopping, purging, back flushing, filter cake discharging, feeding and the like, and the working time of each process is set.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (6)
1. The utility model provides a cyclohexanol waste liquid separation recovery unit which characterized in that: including separator (1), filter element (2), circulating pump (3), evaporimeter (4) and nitrogen device (5), separator (1) is including filtering area (101) and deposit liquid district (102), be provided with a plurality of filter element (2) with the discharging pipe intercommunication in filtering area (101), the entry of circulating pump (3) with the export intercommunication of evaporimeter (4), the export of circulating pump (3) with evaporimeter (4) lower extreme entry intercommunication, the export of circulating pump (3) still with the feed inlet (106) intercommunication of depositing liquid district (102), discharge gate (105) of filtering area (101) are through filtrate pipeline (6) and storage tank (9) intercommunication, discharge gate (105) still through circulation pipeline (7) with evaporimeter (4) upper end entry intercommunication, outlet (104) of filtering area (101) pass through pressure regulating pipeline (8) with evaporimeter (4) lower extreme entry intercommunication, an auxiliary discharge hole (107) of the liquid storage area (102) is communicated with the material storage tank (9), and an outlet of the nitrogen device (5) is communicated with the overflow hole (104), the discharge hole (105) and the auxiliary discharge hole (107) respectively.
2. The cyclohexanol waste liquid separation and recovery device according to claim 1, characterized in that: and each communicating pipeline is provided with a control valve for controlling the medium flowing therein.
3. The cyclohexanol waste liquid separation and recovery device according to claim 1, characterized in that: the separator (1) is designed in an integrated mode, the inner surface of the separator is polished, the liquid storage area (102) is of a cone structure, and the top of the filtering area (101) is provided with a detachable upper cover.
4. The cyclohexanol waste liquid separation and recovery device according to claim 1, characterized in that: the filter element (2) is of a candle-shaped bag type structure, a plurality of filter elements (201) are arranged in the filter element (2), and the filter elements (201) are tubular porous metal support pieces and externally coated with filter cloth with different precision.
5. The cyclohexanol waste liquid separation and recovery device according to claim 1, characterized in that: a detachable flange is arranged in the filtering area (101).
6. The cyclohexanol waste liquid separation and recovery device according to claim 1, characterized in that: a discharge valve is arranged at a discharge opening (103) of the separator (1), and a collecting device is arranged below the discharge opening (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022878853.9U CN213865801U (en) | 2020-12-02 | 2020-12-02 | Cyclohexanol waste liquid separation recovery unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022878853.9U CN213865801U (en) | 2020-12-02 | 2020-12-02 | Cyclohexanol waste liquid separation recovery unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213865801U true CN213865801U (en) | 2021-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022878853.9U Active CN213865801U (en) | 2020-12-02 | 2020-12-02 | Cyclohexanol waste liquid separation recovery unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213865801U (en) |
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2020
- 2020-12-02 CN CN202022878853.9U patent/CN213865801U/en active Active
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