CN203437040U - Device for removing water in raffinate for production of hydrogen peroxide with anthraquinone process - Google Patents
Device for removing water in raffinate for production of hydrogen peroxide with anthraquinone process Download PDFInfo
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- CN203437040U CN203437040U CN201320500406.7U CN201320500406U CN203437040U CN 203437040 U CN203437040 U CN 203437040U CN 201320500406 U CN201320500406 U CN 201320500406U CN 203437040 U CN203437040 U CN 203437040U
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- knockout drum
- raffinate
- tank
- anthraquinone process
- watering apparatus
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Abstract
The utility model discloses a device for removing water in raffinate for production of hydrogen peroxide with an anthraquinone process. The device comprises a separation tank, a water storage tank, a stock solution tank, a regenerated solution tank, a coalescence filter element and a membrane separation filter element, wherein the water storage tank is arranged in the middle of the bottom of the separation tank and communicated with the separation tank, and a water phase outlet is mounted at the bottom of the water storage tank through a shell flange; the stock solution tank and the regenerated solution tank are sealed and connected to two ends of the separation tank through shell flanges; a first tube plate is arranged between the stock solution tank and the separation tank, and a second tube plate is arranged between the separation tank and the regenerated solution tank; a stock solution inlet is formed in the stock solution tank, and an oil phase outlet is formed in the regenerated solution tank; the coalescence filter element is arranged on the first tube plate and extends into the separation tank; and the membrane separation filter element is arranged on the second tube plate and extends into the separation tank. According to the device for removing water in raffinate for production of hydrogen peroxide with the anthraquinone process, aqueous alkali is not used, a white clay bed cannot be damaged during regeneration of a work solution, simultaneously, the circulation work solution cannot be polluted by alkali metal, and the undissolved water content can be reduced to several to dozens of ppm (parts per million).
Description
Technical field
The utility model relates to the device of a kind of liquid-liquid separation, particularly a kind of hydrogen dioxide solution production by anthraquinone process raffinate de-watering apparatus.
Background technology
At present, anthraquinone technique is topmost hydrogen peroxide production technology, working solution obtains hydride (hydrogenation process) through over hydrogenation, hydride obtains oxidation solution (oxidation operation) through peroxidating, oxidation solution is used pure water extraction, be extracted liquid and raffinate (extraction process), raffinate is comprised of working solution and a small amount of water and hydrogen peroxide, hydrogen peroxide is dissolved in the water, while recycling containing the working solution of hydrogen peroxide, there is the danger of blast, need dewater to working solution, make the hydrogen peroxide content≤0.15g/L in cycle working fluid.
Cycle working fluid water-eliminating method conventional in current industrial mainly contains:
1, vacuum dewatering technique: mix in alkali blender by metering infusion alkali, make the basicity of cycle working fluid reach the required basicity of hydrogenation process, then cycle working fluid enters vacuum dehydration can, under vacuum action, removes molecular water and free water in working solution.
2, alkali dewatering process: raffinate divides except after the part water that may carry secretly through extraction raffinate separator, controls extraction raffinate separator liquid level through tank level control system, prevents air amount, then enters the drying tower bottom that solution of potassium carbonate is housed.With remove portion moisture content, in and the hydrogen peroxide of acids and decomposition remnants.
In CN1069469A, described a kind of Alkalizing-dehydrating technology for hydrogen peroxide solution, it is characterized in that injecting alkali lye on the pipeline after extraction raffinate separator, and the static mixer of soon flowing through.
In above dewatering process, do not depart from traditional aqueous slkali dewatering process, make cycle working fluid be subject to alkali-metal pollution, in hydrogen peroxide product, contain alkali metal, when for the production of cyclohexanone, can affect whole production process.
Utility model content
Technical problem to be solved in the utility model is for the existing weak point of prior art and a kind of hydrogen dioxide solution production by anthraquinone process raffinate de-watering apparatus, this de-watering apparatus is not used aqueous slkali, during working solution regeneration, can not destroy carclazyte bed, cycle working fluid is not polluted by alkali metal simultaneously, and wherein undissolved water content is reduced to several to dozens of ppm.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:
A raffinate de-watering apparatus, is characterized in that, comprises
One knockout drum;
Be arranged on the water tank on centre position, described knockout drum bottom, described water tank communicates with knockout drum, by shell flange, water is installed exports in the bottom of described water tank;
The original fluid container, the regeneration flow container that by shell flange, are sealedly connected on described knockout drum two ends are provided with the first tube sheet between described original fluid container and knockout drum, between described knockout drum and regeneration flow container, are provided with the second tube sheet; On described original fluid container, be provided with stoste import, on described regeneration flow container, be provided with oil phase outlet;
Be arranged on the first tube sheet and to the Coalescence filter core extending in knockout drum;
Be arranged on the second tube sheet and to the separated filter core of film extending in knockout drum.
In a preferred embodiment of the present utility model, at the two ends of described knockout drum, be provided with the first difference gauge mouth and the second difference gauge mouth, on described original fluid container and regeneration flow container, be respectively arranged with the 3rd difference gauge mouth and the 4th difference gauge mouth, wherein between the first difference gauge mouth and the 3rd difference gauge mouth, be connected with the first difference gauge, between the second difference gauge mouth and the 4th difference gauge mouth, be connected with the second difference gauge.
In a preferred embodiment of the present utility model, described Coalescence filter core is fibre bed Coalescence filter core.
In a preferred embodiment of the present utility model, on described knockout drum, be provided with the first form, described the first form is positioned at the top of described water tank.
In a preferred embodiment of the present utility model, on described water tank, be provided with the second form and the 3rd form, wherein the second form is upper, in order to observe the highest liquid level of oil water surface, the 3rd form under, in order to observe the minimum liquid level of oil water surface.
In a preferred embodiment of the present utility model, in the bottom of described water tank, by shell flange, sewage draining exit is installed.
In a preferred embodiment of the present utility model, on described knockout drum, be provided with thermometer mouth and liquid level gauge mouth, wherein liquid level gauge mouth is positioned at the top of described water tank, and described thermometer mouth and liquid level gauge mouth are separately installed with thermometer and liquid level gauge.
In a preferred embodiment of the present utility model, on described knockout drum, be provided with evacuation port, described evacuation port is positioned at the top of the separated filter core of described film.
In a preferred embodiment of the present utility model, on described original fluid container and regenerated liquid pipe, be provided with evacuation port and sewage draining exit.
In a preferred embodiment of the present utility model, on described knockout drum, be provided with to support the support of knockout drum.
The course of work of hydrogen dioxide solution production by anthraquinone process raffinate de-watering apparatus of the present utility model is as follows: first raffinate is delivered to original fluid container, raffinate in original fluid container passes through Coalescence filter core from inside to outside, microscopic fibers in Coalescence filter core has cohesion and interception function, the little water droplets coalescence of carrying secretly in raffinate becomes large water droplet, under the effect of gravity, large water droplet flows down along Coalescence filter core outer surface, in the bottom of knockout drum, assembles; The raffinate of removing a part of water passes through the separated filter core of film by ecto-entad and enters in regeneration flow container, because the raffinate of removing a part of water is mainly by anthraquinone, the pungent fat of tricresyl phosphate, C
9and C
10form, under the effect of oleophyllie hydrophobic film, working solution enters regeneration flow container as organic phase by the separated filter core of film, water is rebounded to be assembled to the water tank of knockout drum bottom, reach after a certain amount of and discharge from the water outlet of water tank bottom, in the working solution in regeneration flow container for the water content of dissolving is reduced to several to dozens of ppm.
Hydrogen dioxide solution production by anthraquinone process raffinate de-watering apparatus of the present utility model is not used aqueous slkali, during working solution regeneration, can not destroy carclazyte bed, and cycle working fluid is not polluted by alkali metal simultaneously, and wherein undissolved water content is reduced to several to dozens of ppm.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of hydrogen dioxide solution production by anthraquinone process raffinate de-watering apparatus.
Wherein: 1, tube sheet; 2, sewage draining exit; 3, original fluid container; 4, stoste import; 5, difference gauge mouth; 6, evacuation port; 7, difference gauge mouth; 8, thermometer mouth; 9, Coalescence filter core; 10, liquid level gauge mouth; 11, visor; 12, evacuation port; 13, the separated filter core of film; 14, difference gauge mouth; 15, tube sheet; 16, evacuation port; 17, difference gauge mouth; 18, regeneration flow container; 19, oil phase outlet; 20, sewage draining exit; 21, knockout drum; 22, support; 23, water outlet; 24, sewage draining exit; 25, water tank; 26, visor; 27, visor.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, further describe the utility model.
Referring to Fig. 1, the hydrogen dioxide solution production by anthraquinone process raffinate de-watering apparatus providing in figure comprises knockout drum 21, original fluid container 3, regeneration flow container 18, original fluid container 3, regeneration flow container 18 are sealedly connected on knockout drum 21 two ends by shell flange respectively, and at original fluid container 3, between knockout drum 21, be provided with tube sheet 1, between knockout drum 21 and regeneration flow container 18, be provided with tube sheet 15.
In the bottom of knockout drum 21, be provided with pair of brackets 22, in order to support knockout drum 21.In knockout drum 21 centre positions, bottom, be provided with the water tank 25 with knockout drum 21 one, water tank 25 communicates with knockout drum 21, in the bottom of water tank 25, by shell flange, water outlet 23 and sewage draining exit 24 is installed.Separately on knockout drum 21, be provided with thermometer mouth 8, liquid level gauge mouth 10, evacuation port 12, difference gauge mouth 7,14, form 11, wherein liquid level gauge mouth 10 and form 11 are positioned at the centre position of knockout drum 21 and are positioned at the top of water tank 25, and difference gauge mouth 7,14 lays respectively at the two ends of knockout drum 21.Thermometer mouth 8 and liquid level gauge mouth 10 are separately installed with thermometer and liquid level gauge.
On water tank 25, be provided with two forms 26,27, wherein form 27 is upper, in order to observe the highest liquid level of oil water surface, form 26 under, in order to observe the minimum liquid level of oil water surface.
On tube sheet 1, be provided with to the Coalescence filter core 9 of knockout drum 21 interior extensions, Coalescence filter core 9 is fibre bed Coalescence filter core.On tube sheet 15, be provided with the separated filter core 13 of film to knockout drum 21 interior extensions, evacuation port 12 is positioned at the separated filter core of film 13 tops.
On original fluid container 3, be provided with stoste import 4, evacuation port 6, sewage draining exit 2 and difference gauge mouth 5, on regeneration flow container 18, be provided with oil phase outlet 19, evacuation port 16, sewage draining exit 20 and difference gauge mouth 17, between difference gauge mouth 7,5, be connected with difference gauge (not shown), between difference gauge mouth 14,17, be also connected with difference gauge (not shown).
The course of work of the raffinate of hydrogen dioxide solution production by anthraquinone process shown in 1 de-watering apparatus is as follows with reference to the accompanying drawings: first raffinate is delivered to original fluid container 3, raffinate in original fluid container 3 passes through Coalescence filter core 9 from inside to outside, microscopic fibers in Coalescence filter core 9 has cohesion and interception function, the little water droplets coalescence of carrying secretly in raffinate becomes large water droplet, under the effect of gravity, large water droplet flows down along Coalescence filter core 9 outer surfaces, assemble bottom at knockout drum 21, remove the raffinate ecto-entad of a part of water by the separated filter core 13 of film, remove the raffinate of a part of water mainly by anthraquinone, the pungent fat of tricresyl phosphate, C
9and C
10form, under the effect of oleophyllie hydrophobic film, the raffinate of removing a part of water enters regeneration flow container 18 as organic phase ecto-entad by the separated filter core 13 of film, and assemble the bottom that water is rebounded to knockout drum 21, reaches after a certain amount of and discharges and enter water tank 25 from the mouths of pipe in the middle of knockout drum 21 bottoms.Go out Water flow-path simple, equipment investment is little, and energy consumption is low, without using aqueous slkali, working solution can not be subject to the destruction of aqueous slkali while regenerating by carclazyte bed, and simultaneously reproduction operation liquid pollutes without metal cation, and in cycle working fluid not the content of dissolved water be reduced to several to dozens of ppm.
The Coalescence filter core of hydrogen dioxide solution production by anthraquinone process raffinate de-watering apparatus is easily stopped up by solid particle in view of its microstructure, as contained particle in material, must before equipment importation, add filter.
More than show and described this and used novel basic principle, principal character and this to use novel advantage.The technical staff of the industry should understand; this use is novel not to be restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present utility model; under the prerequisite that does not depart from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (10)
1. a hydrogen dioxide solution production by anthraquinone process raffinate de-watering apparatus, is characterized in that, comprises
One knockout drum;
Be arranged on the water tank on centre position, described knockout drum bottom, described water tank communicates with knockout drum, by shell flange, water is installed exports in the bottom of described water tank;
The original fluid container, the regeneration flow container that by shell flange, are sealedly connected on described knockout drum two ends are provided with the first tube sheet between described original fluid container and knockout drum, between described knockout drum and regeneration flow container, are provided with the second tube sheet; On described original fluid container, be provided with stoste import, on described regeneration flow container, be provided with oil phase outlet;
Be arranged on the first tube sheet and to the Coalescence filter core extending in knockout drum;
Be arranged on the second tube sheet and to the separated filter core of film extending in knockout drum.
2. hydrogen dioxide solution production by anthraquinone process raffinate de-watering apparatus as claimed in claim 1, it is characterized in that, at the two ends of described knockout drum, be provided with the first difference gauge mouth and the second difference gauge mouth, on described original fluid container and regeneration flow container, be respectively arranged with the 3rd difference gauge mouth and the 4th difference gauge mouth, wherein between the first difference gauge mouth and the 3rd difference gauge mouth, be connected with the first difference gauge, between the second difference gauge mouth and the 4th difference gauge mouth, be connected with the second difference gauge.
3. hydrogen dioxide solution production by anthraquinone process raffinate de-watering apparatus as claimed in claim 1 or 2, is characterized in that, described Coalescence filter core is fibre bed Coalescence filter core.
4. hydrogen dioxide solution production by anthraquinone process raffinate de-watering apparatus as claimed in claim 1 or 2, is characterized in that, is provided with the first form on described knockout drum, and described the first form is positioned at the top of described water tank.
5. hydrogen dioxide solution production by anthraquinone process raffinate de-watering apparatus as claimed in claim 1 or 2, it is characterized in that, on described water tank, be provided with the second form and the 3rd form, wherein the second form is upper, in order to observe the highest liquid level of oil water surface, the 3rd form under, in order to observe the minimum liquid level of oil water surface.
6. hydrogen dioxide solution production by anthraquinone process raffinate de-watering apparatus as claimed in claim 1 or 2, is characterized in that, in the bottom of described water tank, by shell flange, sewage draining exit is installed.
7. hydrogen dioxide solution production by anthraquinone process raffinate de-watering apparatus as claimed in claim 1 or 2, it is characterized in that, on described knockout drum, be provided with thermometer mouth and liquid level gauge mouth, wherein liquid level gauge mouth is positioned at the top of described water tank, and described thermometer mouth and liquid level gauge mouth are separately installed with thermometer and liquid level gauge.
8. hydrogen dioxide solution production by anthraquinone process raffinate de-watering apparatus as claimed in claim 1 or 2, is characterized in that, on described knockout drum, is provided with evacuation port, and described evacuation port is positioned at the top of the separated filter core of described film.
9. hydrogen dioxide solution production by anthraquinone process raffinate de-watering apparatus as claimed in claim 1 or 2, is characterized in that, on described original fluid container and regenerated liquid pipe, is provided with evacuation port and sewage draining exit.
10. hydrogen dioxide solution production by anthraquinone process raffinate de-watering apparatus as claimed in claim 1 or 2, is characterized in that, is provided with to support the support of knockout drum on described knockout drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320500406.7U CN203437040U (en) | 2013-08-15 | 2013-08-15 | Device for removing water in raffinate for production of hydrogen peroxide with anthraquinone process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320500406.7U CN203437040U (en) | 2013-08-15 | 2013-08-15 | Device for removing water in raffinate for production of hydrogen peroxide with anthraquinone process |
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| Publication Number | Publication Date |
|---|---|
| CN203437040U true CN203437040U (en) | 2014-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320500406.7U Expired - Lifetime CN203437040U (en) | 2013-08-15 | 2013-08-15 | Device for removing water in raffinate for production of hydrogen peroxide with anthraquinone process |
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| Country | Link |
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| CN (1) | CN203437040U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106892408A (en) * | 2015-12-18 | 2017-06-27 | 中国石油化工股份有限公司 | A kind of method for oxidation of hydrogen peroxide production process |
-
2013
- 2013-08-15 CN CN201320500406.7U patent/CN203437040U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106892408A (en) * | 2015-12-18 | 2017-06-27 | 中国石油化工股份有限公司 | A kind of method for oxidation of hydrogen peroxide production process |
| CN106892408B (en) * | 2015-12-18 | 2019-03-19 | 中国石油化工股份有限公司 | A kind of method for oxidation of hydrogen peroxide production process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 No. 145, Tang Jin Road, Tang Zhen Industrial Zone, Shanghai, Pudong New Area Patentee after: SHANGHAI ANHORN ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Address before: 201201 No. 145, Tang Jin Road, Tang Zhen Industrial Zone, Shanghai, Pudong New Area Patentee before: SHANGHAI ANHORN MECHANICAL EQUIPMENT Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20140219 |
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| CX01 | Expiry of patent term |