CN108939588A - The process system of flush distillation circulation fluid filtration device in a kind of hydrogen peroxide enrichment facility - Google Patents
The process system of flush distillation circulation fluid filtration device in a kind of hydrogen peroxide enrichment facility Download PDFInfo
- Publication number
- CN108939588A CN108939588A CN201811029245.1A CN201811029245A CN108939588A CN 108939588 A CN108939588 A CN 108939588A CN 201811029245 A CN201811029245 A CN 201811029245A CN 108939588 A CN108939588 A CN 108939588A
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- Prior art keywords
- pipeline
- valve
- communicated
- filter
- pump
- Prior art date
- 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.)
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- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 239000012530 fluid Substances 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000004821 distillation Methods 0.000 title claims abstract description 19
- 238000001914 filtration Methods 0.000 title claims abstract description 18
- 239000011552 falling film Substances 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 238000001704 evaporation Methods 0.000 claims abstract description 18
- 239000010408 film Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 8
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 4
- 229910001882 dioxygen Inorganic materials 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000000945 filler Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000521257 Hydrops Species 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/22—Evaporating by bringing a thin layer of the liquid into contact with a heated surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/23—Supported filter elements arranged for outward flow filtration
- B01D29/27—Filter bags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B15/00—Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
- C01B15/01—Hydrogen peroxide
- C01B15/013—Separation; Purification; Concentration
- C01B15/017—Anhydrous hydrogen peroxide; Anhydrous solutions or gaseous mixtures containing hydrogen peroxide
Abstract
The present invention relates to the process unit technical fields of filter, the process system of flush distillation circulation fluid filtration device in especially a kind of hydrogen peroxide enrichment facility, falling film evaporator lower end is communicated with circulating and evaporating liquid pump by pipeline, circulating and evaporating liquid pump is communicated with pump outlet check valve by pipeline, pump discharge pressure table is additionally provided on pipeline between pump outlet check valve and circulating and evaporating liquid pump, pump outlet check valve is communicated with ball valve by pipeline, ball valve is communicated with filter by pipeline, filter upper end also passes through pipeline and is provided with blow valve, filter lower end is communicated with filter bottom reduced pipe, filter bottom reduced pipe also passes through pipeline and is communicated with visor valve, visor valve is communicated with solenoid valve by pipeline, it has also been respectively communicated with filter on pipeline between solenoid valve and visor valve and has drained valve and delivery gauge, solenoid valve also passes through pipeline Connection is in falling film evaporator upper end.The present invention can be improved the safety of device and the quality of chemical grade product.
Description
Technical field
The present invention relates to once steam in the process unit technical field of filter more particularly to a kind of hydrogen peroxide enrichment facility
Send out the process system of circulation fluid filtration device.
Background technique
Hydrogen peroxide enrichment facility purifies and is concentrated dioxygen aquatic products with rectification process process generally by evaporation, essence
The charging for evaporating tower is the saturated vapor containing hydrogen peroxide to come from falling film evaporator, according to the technological requirements falling film evaporator bottom
Hydrogen peroxide feed liquid must beat circulation, under vacuum conditions, form closed cycle, and have a bypass to remove part circulation fluid and go technology
Grade product storage tank.When we require chemical grade product yield higher, removal quantity will be reduced, and then make falling film evaporator bottom
Raffinate in nonvolatile matter and organic carbon concentration correspondingly increase, viscosity is also high, the impurity of these high viscosities is once enter
Rectifying column can be attached on the surface of filler.The resistance of filler will be made to increase as the production time extends, give production operation band
Carry out very big difficulty.For this purpose, our devices are often furnished with flush distillation circulation fluid filtration device, to remove partial particulate at 10 microns
Above sticky contaminant improves security of system and product quality.However, containing high concentration dioxygen in vaporization cycle liquid filter
The organic impurities of water (65 ~ 70%), high concentration, once there is situations such as abnormal conditions such as power failure, vacuum degree decline in system, easily
Decomposing hydrogen dioxide solution explosion accident occurs, the oxygen released again can combustion-supporting organic substance.Therefore flush distillation how is made good use of to follow
Ring liquid filter prevents the generation of accident, and it is very important.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of hydrogen peroxide enrichment facility proposed
The process system of middle flush distillation circulation fluid filtration device.
To achieve the goals above, present invention employs following technical solutions:
A kind of process system of flush distillation circulation fluid filtration device in hydrogen peroxide enrichment facility, including falling film evaporator are designed, and
Falling film evaporator lower end is communicated with circulating and evaporating liquid pump by pipeline, and the circulating and evaporating liquid pump is communicated with pump discharge by pipeline
Check-valves, and pump discharge pressure table is additionally provided on the pipeline between pump outlet check valve and circulating and evaporating liquid pump, it is described to pump out
Mouth check-valves is communicated with ball valve by pipeline, and the ball valve is communicated with filter by pipeline, and the filter upper end also passes through
Pipeline is provided with blow valve, and filter lower end is communicated with filter bottom reduced pipe, and the filter bottom reduced pipe is also logical
Piping is communicated with visor valve, and visor valve is communicated with solenoid valve by pipeline, the pipeline between the solenoid valve and visor valve
On be also respectively communicated with filter and drain valve and delivery gauge, the solenoid valve is also connected to by pipeline in falling film evaporator
Upper end.
Preferably, bypass valve is also communicated on the pipeline between the solenoid valve and falling film evaporator, and bypass valve is also logical
Piping connection is on the pipeline between ball valve and pump outlet check valve.
Preferably, electromagnetic flowmeter, the electromagnetism are also communicated on the pipeline between the ball valve and pump outlet check valve
Flowmeter is communicated with flow control valve by pipeline, and flow control valve is communicated with technical grade product slot by pipeline.
Preferably, inlet pressure gauge is additionally provided on the pipeline between the filter and ball valve.
The process system of flush distillation circulation fluid filtration device in a kind of hydrogen peroxide enrichment facility proposed by the present invention, beneficial to effect
Fruit is: in the hydrogen peroxide enrichment facility process system of flush distillation circulation fluid filtration device can be improved device safety and
The quality of chemical grade product has positive effect, and using side into lower follow-on filter out, material disengaging is more reasonable, makes just
Material and impurity time of contact are shorter when often production or abnormal conditions, without buildup in filter, will not make the dioxygen of high concentration
Even if water decomposition also all can all flow into evaporator, i.e., in filter occur to have a power failure suddenly without buildup according to potential difference
While improving product quality, also inherently solve the hidden danger of accident, it is suitable for large-scale promotion.
Detailed description of the invention
Fig. 1 is the process system of flush distillation circulation fluid filtration device in a kind of hydrogen peroxide enrichment facility proposed by the present invention
Structural schematic diagram.
In figure: falling film evaporator 1, filter drain valve 2, visor valve 3, filter bottom reduced pipe 4, filter 5, emptying
Valve 6, delivery gauge 8, ball valve 9, bypass valve 10, circulating and evaporating liquid pump 11, pump discharge pressure table 12, pumps out inlet pressure gauge 7
Mouth check-valves 13, electromagnetic flowmeter 14, flow control valve 15, technical grade product slot 16, solenoid valve 17.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1, in a kind of hydrogen peroxide enrichment facility flush distillation circulation fluid filtration device process system, including falling liquid film steam
Device 1 is sent out, the liquid level of 1 bottom of falling film evaporator is interlocked with the dioxygen water flow for entering battery limit (BL), and 1 lower end of falling film evaporator is logical
Piping is communicated with circulating and evaporating liquid pump 11, and circulating and evaporating liquid pump 11 is communicated with pump outlet check valve 13 by pipeline, and pumps out
Pump discharge pressure table 12 is additionally provided on pipeline between mouth check-valves 13 and circulating and evaporating liquid pump 11, pump outlet check valve 13 is logical
Piping is communicated with ball valve 9, and the setting of ball valve 9, pump discharge pressure table 12 and pump outlet check valve 13 can prevent from stopping suddenly
It is flow backwards when electric.
Electromagnetic flowmeter 14 is also communicated on pipeline between ball valve 9 and pump outlet check valve 13, electromagnetic flowmeter 14 is logical
Piping is communicated with flow control valve 15, and flow control valve 15 is communicated with technical grade product slot 16 by pipeline, and ball valve 9 passes through
Pipeline is communicated with filter 5, and filter 5 is specially flush distillation circulation fluid filtration device, the pipe between filter 5 and ball valve 9
It is additionally provided with inlet pressure gauge 7 on road, flush distillation circulation fluid filtration device is located at falling film evaporator top floor, and circulation fluid is from mistake
5 side of filter enters, and bottom comes out, and inlet/outlet pipe is equipped with pressure gauge, and bottom, which comes out, reduced pipe, pipeline is amplified, to reduce out
Expect resistance, flush distillation circulation fluid filtration equipment matter must use 316, filter core filter bag have to it is anti-oxidant, it is convenient normally to give birth to
Also filter sock can be replaced when production, from 5 bottom of filter to 1 top entry pipeline of falling film evaporator, it is necessary to it is unimpeded, it has prevented
Generate hydrops position.
5 upper end of filter also passes through pipeline and is provided with blow valve 6, and 5 lower end of filter is communicated with filter bottom reducing
Pipe 4, filter bottom reduced pipe 4 is also communicated with visor valve 3 by pipeline, and visor valve 3 is communicated with solenoid valve 17 by pipeline,
It has also been respectively communicated with filter on pipeline between solenoid valve 17 and visor valve 3 and has drained valve 2 and delivery gauge 8, solenoid valve
17 are also connected to by pipeline in 1 upper end of falling film evaporator.
Bypass valve 10 is also communicated on pipeline between solenoid valve 17 and falling film evaporator 1, and bypass valve 10 also passes through pipe
Road connection is on the pipeline between ball valve 9 and pump outlet check valve 13.
Falling film evaporator 1, circulating and evaporating liquid pump 11, pump discharge pressure table 12, pump discharge non-return are sequentially connected by pipeline
Valve ball valve 13, branch remove electromagnetic flowmeter 14, flow control valve 15, technical grade product slot 16；Main road removes flush distillation circulation fluid
Filter inlet pipeline and ball valve 9, filter 5, filter bottom reduced pipe 4, visor valve 3, filter drain valve 2, then arrive drop
1 top of film evaporator.
Filter 5 is provided with inlet pressure gauge 7, and delivery gauge 8 drains valve 2, and sets bypass valve 10, blow valve 6,
During normal production, bypass valve 10 and blow valve 6 are closed, ball valve 9 and solenoid valve 17 are opened, material enters from ball valve 9, electromagnetism
Valve 17, which comes out, to be entered in 1 top of falling film evaporator.
Filter sock can be being replaced during normal production, at this point, closing ball valve 9 and solenoid valve 17, open bypass valve 10,
Material, by directly going to 1 top of falling film evaporator, is opened the hydrogen peroxide drained in 2 emissions filter 5 of valve, is opened from bypass valve 10
Blow valve 6 is vented, and filter bag can be then replaced.
Filter 5 and falling film evaporator 1 is kept to have a poor location, filter 5 uses side into bottom principle, either normally
Production or whens abnormal conditions, can keep filter to be in empty state, avoid high concentration hydrogen peroxide and impurity screening it is long when
Between contact.
Working principle of the present invention is as follows: the electromagnetic flowmeter 14 of starting circulating and evaporating liquid pump 11, branch controls a constant current
Technical grade product slot 16 is entered after amount, enters back into subsequent processing；Main road is through ball valve 9, filter 5, reduced pipe 4, visor valve 3
And solenoid valve 17 is flowed into falling film evaporator 1, when stopping production, is closed circulating and evaporating liquid pump 11, is closed pump discharge non-return
Valve 13 and flow control valve 15, and keep 5 blank state of filter.
More than, it is merely preferred embodiments of the present invention, but scope of protection of the present invention is not limited thereto, it is any
Those familiar with the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its invents
Design is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (4)
1. the process system of flush distillation circulation fluid filtration device in a kind of hydrogen peroxide enrichment facility, which is characterized in that including falling liquid film
Evaporator (1), and falling film evaporator (1) lower end is communicated with circulating and evaporating liquid pump (11) by pipeline, the circulating and evaporating liquid pump
(11) it is communicated with pump outlet check valve (13) by pipeline, and between pump outlet check valve (13) and circulating and evaporating liquid pump (11)
It is additionally provided on pipeline pump discharge pressure table (12), the pump outlet check valve (13) is communicated with ball valve (9) by pipeline, described
Ball valve (9) is communicated with filter (5) by pipeline, and filter (5) upper end also passes through pipeline and is provided with blow valve (6), and
Filter (5) lower end is communicated with filter bottom reduced pipe (4), and the filter bottom reduced pipe (4) is also connected to by pipeline
Have visor valve (3), and visor valve (3) is communicated with solenoid valve (17) by pipeline, between the solenoid valve (17) and visor valve (3)
Pipeline on be also respectively communicated with filter and drain valve (2) and delivery gauge (8), the solenoid valve (17) also passes through pipeline
Connection is in falling film evaporator (1) upper end.
2. the process system of flush distillation circulation fluid filtration device in a kind of hydrogen peroxide enrichment facility according to claim 1,
It is characterized in that, being also communicated with bypass valve (10) on pipeline between the solenoid valve (17) and falling film evaporator (1), and bypass
On pipeline of the valve (10) also by pipeline connection between ball valve (9) and pump outlet check valve (13).
3. the process system of flush distillation circulation fluid filtration device in a kind of hydrogen peroxide enrichment facility according to claim 1,
It is characterized in that, being also communicated with electromagnetic flowmeter (14), institute on pipeline between the ball valve (9) and pump outlet check valve (13)
It states electromagnetic flowmeter (14) to be communicated with flow control valve (15) by pipeline, and flow control valve (15) is communicated with skill by pipeline
Art grade product slot (16).
4. the process system of flush distillation circulation fluid filtration device in a kind of hydrogen peroxide enrichment facility according to claim 1,
It is characterized in that, being additionally provided with inlet pressure gauge (7) on pipeline between the filter (5) and ball valve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811029245.1A CN108939588A (en) | 2018-09-05 | 2018-09-05 | The process system of flush distillation circulation fluid filtration device in a kind of hydrogen peroxide enrichment facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811029245.1A CN108939588A (en) | 2018-09-05 | 2018-09-05 | The process system of flush distillation circulation fluid filtration device in a kind of hydrogen peroxide enrichment facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108939588A true CN108939588A (en) | 2018-12-07 |
Family
ID=64475938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811029245.1A Pending CN108939588A (en) | 2018-09-05 | 2018-09-05 | The process system of flush distillation circulation fluid filtration device in a kind of hydrogen peroxide enrichment facility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108939588A (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB590439A (en) * | 1945-04-17 | 1947-07-17 | Laporte Ltd B | Improvements in and relating to the concentration and purification of hydrogen peroxide by distillation |
| CH258840A (en) * | 1945-07-11 | 1948-12-31 | Buffalo Electro Chem Co | A method for concentrating and purifying aqueous solutions of hydrogen peroxide. |
| GB872925A (en) * | 1956-08-27 | 1961-07-12 | Columbia Southern Chem Corp | Method of concentrating aqueous hydrogen peroxide solutions |
| GB1155886A (en) * | 1966-08-09 | 1969-06-25 | Mojonnier Bros Co | Flow Control For A Multiple-Effect Evaporator |
| CN1104995A (en) * | 1993-09-13 | 1995-07-12 | 三菱瓦斯化学株式会社 | Method for enrichment and purification of aqueous hydrogen peroxide solution |
| JPH0840708A (en) * | 1993-09-13 | 1996-02-13 | Mitsubishi Gas Chem Co Inc | Concentrating purification of aqueous hydrogen peroxide solution |
| US20040107597A1 (en) * | 2000-11-22 | 2004-06-10 | Ismo Hirvonen | Process and device for evaporating liquids, for example black liquor from cellulose cooking, which contain solid and dissolved substances |
| JP2008127231A (en) * | 2006-11-17 | 2008-06-05 | Santoku Kagaku Kogyo Kk | Method and apparatus for purifying hydrogen peroxide solution |
| CN102086028A (en) * | 2009-12-07 | 2011-06-08 | 郑国玉 | Concentration method for producing highly-concentrated chemical-grade hydrogen peroxide solution |
| CN102161475A (en) * | 2009-11-02 | 2011-08-24 | 郑国玉 | Concentration method in production of hydrogen peroxide by anthraquinone method |
| CN204237558U (en) * | 2014-11-27 | 2015-04-01 | 山东晋煤明水化工集团有限公司 | The after-treatment device of hydrogen peroxide obtained by anthraquinone process production technique |
| CN206063809U (en) * | 2016-08-30 | 2017-04-05 | 江山市双氧水有限公司 | Alkali system control device is steamed in a kind of hydrogen peroxide serialization |
| CN107619024A (en) * | 2017-10-20 | 2018-01-23 | 山东明化新材料有限公司 | Hydrogen peroxide manufacture anthraquinone degradation products Dual alkali regenerating unit |
| CN208852441U (en) * | 2018-09-05 | 2019-05-14 | 江山市双氧水有限公司 | The process system of flush distillation circulation fluid filtration device in a kind of hydrogen peroxide enrichment facility |
-
2018
- 2018-09-05 CN CN201811029245.1A patent/CN108939588A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB590439A (en) * | 1945-04-17 | 1947-07-17 | Laporte Ltd B | Improvements in and relating to the concentration and purification of hydrogen peroxide by distillation |
| CH258840A (en) * | 1945-07-11 | 1948-12-31 | Buffalo Electro Chem Co | A method for concentrating and purifying aqueous solutions of hydrogen peroxide. |
| GB872925A (en) * | 1956-08-27 | 1961-07-12 | Columbia Southern Chem Corp | Method of concentrating aqueous hydrogen peroxide solutions |
| GB1155886A (en) * | 1966-08-09 | 1969-06-25 | Mojonnier Bros Co | Flow Control For A Multiple-Effect Evaporator |
| CN1104995A (en) * | 1993-09-13 | 1995-07-12 | 三菱瓦斯化学株式会社 | Method for enrichment and purification of aqueous hydrogen peroxide solution |
| JPH0840708A (en) * | 1993-09-13 | 1996-02-13 | Mitsubishi Gas Chem Co Inc | Concentrating purification of aqueous hydrogen peroxide solution |
| US20040107597A1 (en) * | 2000-11-22 | 2004-06-10 | Ismo Hirvonen | Process and device for evaporating liquids, for example black liquor from cellulose cooking, which contain solid and dissolved substances |
| JP2008127231A (en) * | 2006-11-17 | 2008-06-05 | Santoku Kagaku Kogyo Kk | Method and apparatus for purifying hydrogen peroxide solution |
| CN102161475A (en) * | 2009-11-02 | 2011-08-24 | 郑国玉 | Concentration method in production of hydrogen peroxide by anthraquinone method |
| CN102086028A (en) * | 2009-12-07 | 2011-06-08 | 郑国玉 | Concentration method for producing highly-concentrated chemical-grade hydrogen peroxide solution |
| CN204237558U (en) * | 2014-11-27 | 2015-04-01 | 山东晋煤明水化工集团有限公司 | The after-treatment device of hydrogen peroxide obtained by anthraquinone process production technique |
| CN206063809U (en) * | 2016-08-30 | 2017-04-05 | 江山市双氧水有限公司 | Alkali system control device is steamed in a kind of hydrogen peroxide serialization |
| CN107619024A (en) * | 2017-10-20 | 2018-01-23 | 山东明化新材料有限公司 | Hydrogen peroxide manufacture anthraquinone degradation products Dual alkali regenerating unit |
| CN208852441U (en) * | 2018-09-05 | 2019-05-14 | 江山市双氧水有限公司 | The process system of flush distillation circulation fluid filtration device in a kind of hydrogen peroxide enrichment facility |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181207 |
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| WD01 | Invention patent application deemed withdrawn after publication |