CN109382064A - Waste gas recovering device and recovery method in a kind of naphthalene water reducer production process - Google Patents
Waste gas recovering device and recovery method in a kind of naphthalene water reducer production process Download PDFInfo
- Publication number
- CN109382064A CN109382064A CN201811524643.0A CN201811524643A CN109382064A CN 109382064 A CN109382064 A CN 109382064A CN 201811524643 A CN201811524643 A CN 201811524643A CN 109382064 A CN109382064 A CN 109382064A
- Authority
- CN
- China
- Prior art keywords
- waste gas
- naphthalene
- compression
- water reducer
- sulfonating reaction
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1456—Removing acid components
- B01D53/1481—Removing sulfur dioxide or sulfur trioxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
- B01J19/0013—Controlling the temperature of the process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
- B01J2219/00094—Jackets
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention discloses the waste gas recovering device and recovery method in a kind of naphthalene water reducer production process, including sulfonating reaction kettle, the top of the sulfonating reaction kettle is equipped with waste gas outlet；The waste gas outlet is communicated with waste gas recovering device.The waste gas recovering device includes the naphthalene recyclable device being connected to the waste gas outlet.The naphthalene recyclable device includes compression and back closed cans, and compression and back closed cans top is equipped with compression piston, and the gaseous phase outlet of the compression and back closed cans is equipped with exhaust fan.Recovery method of the present invention carries out the sulfonating reaction of naphthalene water reducer using described device, the exhaust gas generated in sulfonating reaction is effectively separated and is recycled, temperature during sulfonating reaction can greatly improve, and then the yield of sulfonation material in sulfonating reaction is improved, the cost of naphthalene water reducer preparation is reduced to a certain extent.
Description
Technical field
The present invention relates to water-reducing agent preparation technical fields, and in particular to the exhaust gas in a kind of naphthalene water reducer production process returns
Receipts technology.
Background technique
Water-reducing agent is a kind of additive with water-reducing effect in concrete, can be improved when not increasing folk prescription water consumption
Execution conditions；Improve the bending and compressive strength of concrete；Enhance the freeze proof performances such as impervious of concrete；It can significantly improve simultaneously mixed
The workability and mobility for coagulating soil, improve the durability of concrete；Or it is essentially identical and do not influence and easily in concrete flowability
Property under the conditions of, reduce coagulation local prescription water consumption, reduce water-cement ratio, save folk prescription gel material content.Water-reducing agent has become existing
For the 5th kind of necessary component other than coagulation earth removal concrete, sand, stone, water.
Naphthalene series high-efficiency water-reducing agent is in the world using one of most, most wide water-reducing agent and the most important diminishing in China
Agent kind.Sulfonating reaction is the core link in entire water-reducing agent preparation process, its preparation efficiency is only 90% or so at present, main
If because are as follows: 1. naphthalenes and the concentrated sulfuric acid can generate a large amount of volatilizations at high temperature or decompose so that in sulfonating reaction kettle reactant it is dense
Degree reduces, and results in waste of resources, if later period exhaust-gas treatment is improper, can cause seriously to pollute to environment；2. according to sulfonating reaction machine
Reason, temperature is higher, and reaction is more abundant, it is contemplated that the influence of reactant volatilization, sulfonating reaction temperature are generally set to 160 DEG C
~165 DEG C of progress；Therefore, sulfonating reaction process efficiency is low, energy consumption is high and later period exhaust-gas treatment difficulty is current naphthalene water reducer
Universal problems faced.
Summary of the invention
The first technical problem to be solved by the present invention is: in view of the deficienciess of the prior art, providing a kind of naphthalene system
Waste gas recovering device in water-reducing agent production process recycles the exhaust gas in sulfonating reaction, increases sulfonation yield, reduces life
Produce cost.
Second technical problem to be solved by this invention is: in view of the deficienciess of the prior art, providing a kind of naphthalene system
Gas recovery method in water-reducing agent production process, this method effectively recycle the exhaust gas in sulfonating reaction, increase sulfonation
Yield reduces production cost.
In order to solve the first technical problem mentioned above, the technical scheme is that
A kind of waste gas recovering device in naphthalene water reducer production process, including sulfonating reaction kettle, the sulfonating reaction kettle
Top be equipped with waste gas outlet；The waste gas outlet is communicated with waste gas recovering device.
The waste gas recovering device includes the naphthalene recyclable device being connected to the waste gas outlet.
The naphthalene recyclable device includes compression and back closed cans, and compression and back closed cans top is equipped with compression piston, the compression
The gaseous phase outlet of recycling can is equipped with exhaust fan.
As a kind of improved technical solution, the gaseous phase outlet of the compression and back closed cans is communicated with lye spray absorber.
As a kind of improved technical solution, the compression piston passes through two hinged transmission shaft bands by servo motor
It is dynamic.
As a kind of improved technical solution, the sulfonating reaction kettle outer wall is provided with collet, and the lower part of the collet is set
It is equipped with heat conductive oil inlet；Conduction oil outlet is provided at the top of the collet.
As a kind of improved technical solution, it is provided in the collet from the heat conductive oil inlet spiral and is extended upwardly to
The collet is partitioned into helical flow path by the baffle of the conduction oil outlet, the baffle.
As a kind of improved technical solution, the heat conductive oil inlet and the conduction oil outlet respectively with heat-conducting oil heating
The export and import of circulator is connected to.
As a kind of improved technical solution, the sulfonating reaction kettle is provided with agitating device.
To solve above-mentioned second technical problem, the technical scheme is that
Gas recovery method in a kind of naphthalene water reducer production process, using in the naphthalene water reducer production process
Waste gas recovering device, comprising the following steps:
(1) by crude naphthalene: the weight ratio that the concentrated sulfuric acid is 0.9~1.2 weighs the concentrated sulfuric acid of crude naphthalene and 98%, by crude naphthalene
It is thrown in sulfonating reaction kettle.
(2) 125~145 DEG C of temperature of high temperature heat conductive oil is imported to the collet of the sulfonating reaction kettle from heat conductive oil inlet
It is interior, the sulfonating reaction kettle is heated, when being warming up to 120~135 DEG C, opens stirring, starts that the concentrated sulfuric acid is added dropwise, the concentrated sulfuric acid is added dropwise
Then 0.5~1h of time is 160~165 DEG C of insulation reactions in temperature.
(3) during sulfonating reaction, the high-temp waste gas of generation is pumped into the compression and back closed cans through exhaust fan from waste gas outlet
It is interior, compression piston is driven by two hinged transmission shafts by servo motor, is compressed at interval of 5~10s once, by high-temp waste gas
In naphthalene both vapor compression become liquid naphthalene, then the gaseous phase outlet of gas from the compression and back closed cans is taken away by exhaust fan, lixiviating
Liquid spray absorber is absorbed.
(4) 2.5~3.5h of sulfonating reaction is kept the temperature, control of reaction end point feed acidity obtains sulfonation material 15~35%.
As a kind of improved technical solution, in step (3), the servo motor is driven by two hinged transmission shafts
Pressure when compression piston compresses is 0.5MPa~1.5MPa.
By adopting the above-described technical solution, the beneficial effects of the present invention are:
Waste gas recovering device in a kind of naphthalene water reducer production process of the invention, including sulfonating reaction kettle, the sulphur
The top for changing reaction kettle is equipped with waste gas outlet；The waste gas outlet is communicated with waste gas recovering device；The waste gas recovering device packet
Include the naphthalene recyclable device being connected to the waste gas outlet；The naphthalene recyclable device includes compression and back closed cans, the compression and back closed cans
Top is equipped with compression piston, and the gaseous phase outlet of the compression and back closed cans is equipped with exhaust fan.The present invention is generated useless using sulfonating reaction
Physical difference between the ingredient of gas compresses exhaust gas in a certain pressure limit, so that naphthalene steam liquefied, it can be from sulfonation
The higher naphthalene of purity is recycled in reactor off-gas, the naphthalene raw material of recycling can be re-used as the raw material of sulfonating reaction；SO2And SO3It is acid
Gas maintains gaseous state, so that naphthalene steam be separated with sour gas, the mode for recycling alkaline solution to spray sour gas will
Sour gas absorbs, and substantially alleviates the difficulty and pressure of subsequent exhaust-gas treatment.
The present invention carries out the sulfonating reaction of naphthalene water reducer, and the exhaust gas generated in sulfonating reaction is effectively separated and is returned
It receives, the temperature during sulfonating reaction can greatly improve, and then improve the yield of sulfonation material in sulfonating reaction, to a certain extent
Reduce the cost of naphthalene water reducer preparation.
Exhaust gas in sulfonating reaction is carried out pressure recovery liquid naphthalene by the method for the present invention, significantly reduces cost, in addition, by
It is improved in sulfonating reaction temperature relative to traditional handicraft, the comprehensive yied that sulfonation material is obtained in sulfonating reaction improves
18%, cost reduces 5%.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
In figure, 1. sulfonating reaction kettles；2. waste gas outlet；3. naphthalene recyclable device；4. compression and back closed cans；41. gaseous phase outlet；
42. exhaust fan；5. compression piston；6. servo motor；7. transmission shaft；8. collet；9. baffle；10. heat conductive oil inlet；11. thermally conductive
Oil export；12. agitating device；13. naphthalene feed inlet；14. sulfonation material exports.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention is further explained.It should be understood that these embodiments are merely to illustrate this hair
It is bright rather than limit the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, art technology
Personnel can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Fixed range.
Including sulfonating reaction kettle 1, the top of the sulfonating reaction kettle 1 is equipped with waste gas outlet 2；The waste gas outlet 2 is connected to
There is waste gas recovering device；The waste gas recovering device includes the naphthalene recyclable device 3 being connected to the waste gas outlet 2；The naphthalene returns
Receiving apparatus 3 includes compression and back closed cans 4, and 4 top of compression and back closed cans is equipped with compression piston 5, and the compression piston 5 is by servo electricity
Machine 6 is driven by two hinged transmission shafts 7.The gaseous phase outlet 41 of the compression and back closed cans 4 is equipped with exhaust fan 42.The sulfonation
1 outer wall of reaction kettle is provided with collet 8, and the lower part of the collet 8 is provided with heat conductive oil inlet 10；The top of the collet 8 is arranged
There is conduction oil outlet 11.It is provided in the collet 8 and extends upwardly to the conduction oil from 10 spiral of heat conductive oil inlet and go out
The collet 8 is partitioned into helical flow path by the baffle 9 of mouth 11, the baffle 9.The sulfonating reaction kettle 1 is provided with agitating device
12；The lower part and bottom of the sulfonating reaction kettle 1 are respectively equipped with naphthalene feed inlet 13 and sulfonation material outlet 14.
Embodiment 1
Including sulfonating reaction kettle 1, the top of the sulfonating reaction kettle 1 is equipped with waste gas outlet 2；The waste gas outlet 2 is connected to
There is waste gas recovering device；The waste gas recovering device includes the naphthalene recyclable device 3 being connected to the waste gas outlet 2；The naphthalene returns
Receiving apparatus 3 includes compression and back closed cans 4, and 4 top of compression and back closed cans is equipped with compression piston 5, and the compression piston 5 is by servo electricity
Machine 6 is driven by two hinged transmission shafts 7.The gaseous phase outlet 41 of the compression and back closed cans 4 is equipped with exhaust fan 42.The sulfonation
1 outer wall of reaction kettle is provided with collet 8, and the lower part of the collet 8 is provided with heat conductive oil inlet 10；The top of the collet 8 is arranged
There is conduction oil outlet 11.It is provided in the collet 8 and extends upwardly to the conduction oil from 10 spiral of heat conductive oil inlet and go out
The collet 8 is partitioned into helical flow path by the baffle 9 of mouth 11, the baffle 9.The sulfonating reaction kettle 1 is provided with agitating device
12；The lower part and bottom of the sulfonating reaction kettle 1 are respectively equipped with naphthalene feed inlet 13 and sulfonation material outlet 14.The compression and back closed cans
4 gaseous phase outlet 41 is communicated with lye spray absorber, the heat conductive oil inlet 10 and the conduction oil outlet 11 respectively with lead
The export and import of hot oil heat cycles device is connected to.
Embodiment 2
(1) by crude naphthalene: the weight ratio that the concentrated sulfuric acid is 1.0 weighs the concentrated sulfuric acid of crude naphthalene and 98%, and crude naphthalene is launched
To sulfonating reaction kettle.
(2) by 145 DEG C of temperature of high temperature heat conductive oil from the collet that heat conductive oil inlet imports the sulfonating reaction kettle, to institute
State sulfonating reaction kettle heating, when being warming up to 135 DEG C, open stirring, start be added dropwise the concentrated sulfuric acid, sulfuric acid time for adding 0.5h, then
It is 165 DEG C of insulation reactions in temperature.
(3) during sulfonating reaction, the high-temp waste gas of generation is pumped into the compression and back closed cans through exhaust fan from waste gas outlet
It is interior, compression piston is driven by two hinged transmission shafts by servo motor, is compressed once at interval of 5s, is when being compressed to pressure
When 1.2MPa, servo motor is closed, the naphthalene both vapor compression in high-temp waste gas becomes liquid naphthalene at this time, and then gas is from the compression
The gaseous phase outlet of recycling can is taken away by exhaust fan, and lye spray absorber is gone to be absorbed.
(4) sulfonating reaction 2.5h is kept the temperature, control of reaction end point feed acidity obtains sulfonation material 18%.
Embodiment 3
(1) by crude naphthalene: the weight ratio that the concentrated sulfuric acid is 1.05 weighs the concentrated sulfuric acid of crude naphthalene and 98%, and crude naphthalene is launched
To sulfonating reaction kettle.
(2) by 135 DEG C of temperature of high temperature heat conductive oil from the collet that heat conductive oil inlet imports the sulfonating reaction kettle, to institute
State sulfonating reaction kettle heating, when being warming up to 130 DEG C, open stirring, start be added dropwise the concentrated sulfuric acid, sulfuric acid time for adding 0.7h, then
It is 162 DEG C of insulation reactions in temperature.
(3) during sulfonating reaction, the high-temp waste gas of generation is pumped into the compression and back closed cans through exhaust fan from waste gas outlet
It is interior, compression piston is driven by two hinged transmission shafts by servo motor, is compressed once at interval of 7s, is when being compressed to pressure
When 1.5MPa, servo motor is closed, the naphthalene both vapor compression in high-temp waste gas becomes liquid naphthalene at this time, and then gas is from the compression
The gaseous phase outlet of recycling can is taken away by exhaust fan, and lye spray absorber is gone to be absorbed.
(4) sulfonating reaction 2.8h is kept the temperature, control of reaction end point feed acidity obtains sulfonation material 30%.
Claims (9)
1. the waste gas recovering device in a kind of naphthalene water reducer production process, including sulfonating reaction kettle, it is characterised in that: the sulphur
The top for changing reaction kettle is equipped with waste gas outlet；The waste gas outlet is communicated with waste gas recovering device；
The waste gas recovering device includes the naphthalene recyclable device being connected to the waste gas outlet；
The naphthalene recyclable device includes compression and back closed cans, and compression and back closed cans top is equipped with compression piston, the pressure recovery
The gaseous phase outlet of tank is equipped with exhaust fan.
2. the waste gas recovering device in naphthalene water reducer production process as described in claim 1, it is characterised in that: the compression
The gaseous phase outlet of recycling can is communicated with lye spray absorber.
3. the waste gas recovering device in naphthalene water reducer production process as described in claim 1, it is characterised in that: the compression
Piston is driven by servo motor by two hinged transmission shafts.
4. the waste gas recovering device in naphthalene water reducer production process as described in claim 1, it is characterised in that: the sulfonation
Reaction kettle outer wall is provided with collet, and the lower part of the collet is provided with heat conductive oil inlet；It is provided at the top of the collet thermally conductive
Oil export.
5. the waste gas recovering device in naphthalene water reducer production process as claimed in claim 4, it is characterised in that: the collet
Inside it is provided with the baffle that the conduction oil outlet is extended upwardly to from the heat conductive oil inlet spiral, the baffle is by the collet
It is partitioned into helical flow path.
6. the waste gas recovering device in naphthalene water reducer production process as claimed in claim 5, it is characterised in that: described thermally conductive
Oil inlet and the conduction oil outlet are connected to the export and import of heat-conducting oil heating circulator respectively.
7. the waste gas recovering device in naphthalene water reducer production process as described in claim 1, it is characterised in that: the sulfonation
Reaction kettle is provided with agitating device.
8. the gas recovery method in a kind of naphthalene water reducer production process, it is characterised in that use dress described in claim 1
It sets, comprising the following steps:
(1) by crude naphthalene: the weight ratio that the concentrated sulfuric acid is 0.9~1.2 weighs the concentrated sulfuric acid of crude naphthalene and 98%, and crude naphthalene is launched
To sulfonating reaction kettle；
(2) right by 125~145 DEG C of temperature of high temperature heat conductive oil from the collet that heat conductive oil inlet imports the sulfonating reaction kettle
The sulfonating reaction kettle heating, when being warming up to 120~135 DEG C, opens stirring, starts that the concentrated sulfuric acid, concentrated sulfuric acid time for adding is added dropwise
Then 0.5~1h is 160~165 DEG C of insulation reactions in temperature；
(3) during sulfonating reaction, the high-temp waste gas of generation is pumped into the compression and back closed cans from waste gas outlet through exhaust fan, by
Servo motor drives compression piston by two hinged transmission shafts, compresses once at interval of 5~10s, will be in high-temp waste gas
Naphthalene both vapor compression becomes liquid naphthalene, and then the gaseous phase outlet of gas from the compression and back closed cans is taken away by exhaust fan, and lye is gone to spray
Leaching absorption tower is absorbed；
(4) 2.5~3.5h of sulfonating reaction is kept the temperature, control of reaction end point feed acidity obtains sulfonation material 15~35%.
9. the gas recovery method in naphthalene water reducer production process as described in claim 1, it is characterised in that: step (3)
In, it is 0.5MPa~1.5MPa that the servo motor, which drives pressure when compression piston compression by two hinged transmission shafts,.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811524643.0A CN109382064A (en) | 2018-12-13 | 2018-12-13 | Waste gas recovering device and recovery method in a kind of naphthalene water reducer production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811524643.0A CN109382064A (en) | 2018-12-13 | 2018-12-13 | Waste gas recovering device and recovery method in a kind of naphthalene water reducer production process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109382064A true CN109382064A (en) | 2019-02-26 |
Family
ID=65429156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811524643.0A Pending CN109382064A (en) | 2018-12-13 | 2018-12-13 | Waste gas recovering device and recovery method in a kind of naphthalene water reducer production process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109382064A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10987443B1 (en) | 2020-07-03 | 2021-04-27 | Chio Kang Medical, Inc. | Container sterilization device and system, assembling method thereof, and use thereof |
| US11085016B1 (en) | 2020-01-20 | 2021-08-10 | Chio Kang Medical, Inc. | Method for screening bacteria capable of degrading ethylene oxide |
| US11103829B1 (en) | 2020-03-18 | 2021-08-31 | Chio Kang Medical, Inc. | Systems and methods for treating ethylene oxide waste gas |
| US11103608B1 (en) | 2020-07-03 | 2021-08-31 | Chio Kang Medical, Inc. | Mobile pretreatment apparatus and an operating method thereof, and a mobile analysis apparatus and an operating method thereof |
| US11110390B1 (en) | 2020-03-18 | 2021-09-07 | Chio Kang Medical, Inc. | Systems and methods for treating sterilization exhaust gas containing ethylene oxide |
| US11125498B1 (en) | 2020-03-18 | 2021-09-21 | Chio Kang Medical, Inc. | Gas liquefaction separator, gas liquefaction recovery system, and method for separating and recovering ethylene oxide |
| US11123449B1 (en) | 2020-07-03 | 2021-09-21 | Chio Kang Medical, Inc. | Mobile sterilization system, mobile execution system, and mobile analysis system |
| US11124438B2 (en) | 2020-01-20 | 2021-09-21 | Chio Kang Medical, Inc. | Alcaligenes faecalis for degrading ethylene oxide |
| US11123680B1 (en) | 2020-03-18 | 2021-09-21 | Chio Kang Medical, Inc. | Devices, systems, and methods for treating ethylene oxide waste gas |
| WO2021184594A1 (en) * | 2020-03-18 | 2021-09-23 | Qiaokang Biotech (Guangdong) Co., LTD. | Gas liquefaction separator, gas liquefaction recovery system, and method for separating and recovering ethylene oxide |
| US20210291105A1 (en) | 2020-03-19 | 2021-09-23 | Chio Kang Medical, Inc. | Ethylene Oxide Adsorption Tower and Recovery System, and Method for Recovering Ethylene Oxide |
| US11130939B2 (en) | 2020-01-20 | 2021-09-28 | Chio Kang Medical, Inc. | Bacteria for degrading ethylene oxide and uses thereof |
| US11130095B1 (en) | 2020-03-18 | 2021-09-28 | Chio Kang Medical, Inc. | Sterilization exhaust gas treating system and method for treating ethylene oxide-containing sterilization exhaust gas by using the same |
| US11136253B1 (en) | 2020-03-18 | 2021-10-05 | Chio Kang Medical, Inc. | Microbiological treatment system for ethylene oxide exhaust gas |
| US11220667B2 (en) | 2020-01-20 | 2022-01-11 | Chio Kang Medical, Inc. | Bacteria for degrading ethylene oxide and applications thereof |
-
2018
- 2018-12-13 CN CN201811524643.0A patent/CN109382064A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11124438B2 (en) | 2020-01-20 | 2021-09-21 | Chio Kang Medical, Inc. | Alcaligenes faecalis for degrading ethylene oxide |
| US11085016B1 (en) | 2020-01-20 | 2021-08-10 | Chio Kang Medical, Inc. | Method for screening bacteria capable of degrading ethylene oxide |
| US11220667B2 (en) | 2020-01-20 | 2022-01-11 | Chio Kang Medical, Inc. | Bacteria for degrading ethylene oxide and applications thereof |
| US11130939B2 (en) | 2020-01-20 | 2021-09-28 | Chio Kang Medical, Inc. | Bacteria for degrading ethylene oxide and uses thereof |
| US11110390B1 (en) | 2020-03-18 | 2021-09-07 | Chio Kang Medical, Inc. | Systems and methods for treating sterilization exhaust gas containing ethylene oxide |
| US11125498B1 (en) | 2020-03-18 | 2021-09-21 | Chio Kang Medical, Inc. | Gas liquefaction separator, gas liquefaction recovery system, and method for separating and recovering ethylene oxide |
| US11123680B1 (en) | 2020-03-18 | 2021-09-21 | Chio Kang Medical, Inc. | Devices, systems, and methods for treating ethylene oxide waste gas |
| WO2021184594A1 (en) * | 2020-03-18 | 2021-09-23 | Qiaokang Biotech (Guangdong) Co., LTD. | Gas liquefaction separator, gas liquefaction recovery system, and method for separating and recovering ethylene oxide |
| US11130095B1 (en) | 2020-03-18 | 2021-09-28 | Chio Kang Medical, Inc. | Sterilization exhaust gas treating system and method for treating ethylene oxide-containing sterilization exhaust gas by using the same |
| US11136253B1 (en) | 2020-03-18 | 2021-10-05 | Chio Kang Medical, Inc. | Microbiological treatment system for ethylene oxide exhaust gas |
| US11103829B1 (en) | 2020-03-18 | 2021-08-31 | Chio Kang Medical, Inc. | Systems and methods for treating ethylene oxide waste gas |
| US20210291105A1 (en) | 2020-03-19 | 2021-09-23 | Chio Kang Medical, Inc. | Ethylene Oxide Adsorption Tower and Recovery System, and Method for Recovering Ethylene Oxide |
| US11129914B1 (en) | 2020-03-19 | 2021-09-28 | Chio Kang Medical, Inc. | Ethylene oxide adsorption tower and recovery system, and method for recovering ethylene oxide |
| US11123449B1 (en) | 2020-07-03 | 2021-09-21 | Chio Kang Medical, Inc. | Mobile sterilization system, mobile execution system, and mobile analysis system |
| US10987443B1 (en) | 2020-07-03 | 2021-04-27 | Chio Kang Medical, Inc. | Container sterilization device and system, assembling method thereof, and use thereof |
| US11103608B1 (en) | 2020-07-03 | 2021-08-31 | Chio Kang Medical, Inc. | Mobile pretreatment apparatus and an operating method thereof, and a mobile analysis apparatus and an operating method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109382064A (en) | Waste gas recovering device and recovery method in a kind of naphthalene water reducer production process | |
| CN102205962B (en) | Device and method for preparing activated carbon material for electrochemical capacitor | |
| CN105776910B (en) | A kind of ferronickel slag geo-polymer and preparation method thereof | |
| CN101367517B (en) | Method for preparing high pure graphite with steam heating | |
| CN207727009U (en) | A kind of process units of vinylene carbonate | |
| CN104689637A (en) | Solid-liquid separation device and method for producing Hopcalite | |
| CN107362810A (en) | A kind of magnetic mao bamboon charcoal solid acid catalyst and preparation method and its application in xylo-oligosaccharide is prepared | |
| CN204502555U (en) | Equipment for separating liquid from solid | |
| CN102372620B (en) | Magnesium Stearate improves the preparation method of its specific volume and whiteness | |
| CN102992981A (en) | Industrial preparation method of 3-methoxycinnamaldehyde | |
| CN201775977U (en) | Treatment device for reaction tail gas in trimellitic acid production | |
| CN209333751U (en) | A kind of waste gas recovering device in naphthalene water reducer production process | |
| CN105240065B (en) | Energy-saving method and equipment for water quenching of yellow phosphorus slags and controlling and utilizing of bled steam | |
| CN208583349U (en) | A kind of naphthalene series high-efficiency water-reducing agent reaction kettle | |
| CN105254469A (en) | Chloroethane clean production process and device | |
| CN106117481B (en) | A kind of solvent method concentrates the production method of sulfonation separate mealing type condensation production naphthalene water reducer | |
| CN112790416B (en) | Efficient conditioning device and conditioning method for compound pellet feed | |
| CN208449281U (en) | A kind of energy-saving device for preparing of naphthalene water reducer | |
| CN220990758U (en) | Synthesis device of 2-chloropyridine-6-carboxylic acid | |
| CN101880064B (en) | Method for producing sodium permanganate | |
| CN205838943U (en) | A kind of pot type overtemperature ultrasound wave coal washer | |
| CN102166505B (en) | Resorcinol alkali fusion workshop section reaction device and reaction technology thereof | |
| CN209338418U (en) | It is a kind of to collect the device that naphthalene is evaporated in naphthalene water reducer production | |
| CN205367723U (en) | Lithium hexafluorophosphate synthetic tail gas processing apparatus | |
| CN205443131U (en) | Apparatus for producing of L sodium lactate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |