CN108975278A - direct-heating type chlorine dioxide generator - Google Patents
direct-heating type chlorine dioxide generator Download PDFInfo
- Publication number
- CN108975278A CN108975278A CN201811238534.2A CN201811238534A CN108975278A CN 108975278 A CN108975278 A CN 108975278A CN 201811238534 A CN201811238534 A CN 201811238534A CN 108975278 A CN108975278 A CN 108975278A
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- CN
- China
- Prior art keywords
- instlated tubular
- heat conducting
- conducting pipe
- pipe
- shell
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Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B11/00—Oxides or oxyacids of halogens; Salts thereof
- C01B11/02—Oxides of chlorine
- C01B11/022—Chlorine dioxide (ClO2)
- C01B11/023—Preparation from chlorites or chlorates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Resistance Heating (AREA)
Abstract
The invention discloses direct-heating type chlorine dioxide generator, shell is equipped with chlorate feed pipe, sour feed pipe, drain pipe and exhaust pipe, is equipped with heating mechanism in shell；Through-hole is offered in the top blind flange of shell, instlated tubular axial direction one end is protruded into shell, axial other end sealing is fixed on the cover board；Instlated tubular protrudes into the intracorporal free end opening of shell and is tightly connected with the open end of heat conducting pipe, the bottom end closure of heat conducting pipe；Instlated tubular is in cylindrical structure, and the outer wall of heat conducting pipe is equipped with heat transmission fin, and the thermal coefficient of heat conducting pipe is greater than the thermal coefficient of instlated tubular；Elevating mechanism is equipped in instlated tubular, when needing to heat, elevating mechanism drives electrical heating elements to protrude into heat conducting pipe through instlated tubular；When needing to cool down, elevating mechanism drives electrical heating elements to exit in ingress pipe income instlated tubular.The present invention realizes that heating efficiency is high to the high efficiency regulatory of reaction environment temperature in shell by the position of control power and electrical heating elements, goes on smoothly conducive to reaction.
Description
Technical field
The present invention relates to chemical equipment technical fields, and in particular to a kind of direct-heating type chlorine dioxide generator.
Background technique
Chlorine dioxide is a kind of excellent fungicide, efficient bleaching agent and strong oxidizer that International Health Organization is generally acknowledged；Two
Aoxidizing chlorine generator is the special equipment for preparing chlorine dioxide.It is anti-to meet the heat absorption in most of chemical method preparation processes
Condition is answered, needs to provide certain heat to chemical reaction, to ensure that fully reacting is thorough, feed stock conversion highest, raw material disappears
Consume it is minimum, while reduce and avoid unreacted raw material from causing the pollution to water body.Heating technique is chlorine dioxide generator
One of key technology, it determines the performance superiority and inferiority and cost height of generator.Currently, what domestic chlorine dioxide generator used
There are following defect and deficiencies for the common heating water bath of reactor heating method and raw material heating method:
Heating water bath mode, i.e. reactor are assemblied in the water tank with electric heating tube, by heating water tank
Water provides heat into reactor, and it is poor that there are heat transfer effects, and power consumption is high, requires high, cost to the thermal conductivity of reactor material
The defects of height, processing is complicated；Raw material heating method is that raw material is heated to certain temperature, hot charge is then entered reaction
Device reaction.There are feeding temperature height for which, it is more difficult to control reaction process, safety accident easily occurs.Meanwhile such as raw material:
The hydrochloric acid that concentration is 31% will cause volatilization pollution after heating, raw material availability reduces, and safety is poor.
Summary of the invention
The technical problem to be solved by the present invention is to existing chlorine dioxide generator heating method, there are heating efficiencies
Lower, the not defect of easy-regulating, the present invention provides the direct-heating type chlorine dioxide generators to solve the above problems.
Direct-heating type chlorine dioxide generator, including shell, shell are equipped with chlorate feed pipe, sour feed pipe, row
Liquid pipe and exhaust pipe, shell is interior to be equipped with heating mechanism, and the heating mechanism includes instlated tubular, heat conducting pipe and electrical heating elements；
Through-hole is offered in the top blind flange of the shell, instlated tubular axial direction one end is protruded into shell, is axial another
End sealing is fixed on the cover board；Instlated tubular protrudes into the intracorporal free end opening of shell and is tightly connected with the open end of heat conducting pipe, every
The axial line of heat pipe and the axial line of heat conducting pipe are overlapped, the bottom end closure of heat conducting pipe；The instlated tubular is in cylindrical structure, heat conducting pipe
Outer wall be equipped with heat transmission fin, and the thermal coefficient of heat conducting pipe be greater than instlated tubular thermal coefficient；It is equipped in the instlated tubular
Elevating mechanism, when needing to heat, the elevating mechanism drives electrical heating elements to protrude into heat conducting pipe through instlated tubular；It is needing to drop
Wen Shi, the elevating mechanism drive electrical heating elements to exit in ingress pipe income instlated tubular.
Working principle of the present invention are as follows: instlated tubular and heat conducting pipe are set in the main reaction shell of chlorine dioxide generator, every
Heat pipe and heat conducting pipe are located in a straight line and are axially arranged along shell, can be by the axle center of instlated tubular, heat conducting pipe and shell three
Line is overlapped setting, is independently arranged inside instlated tubular and heat conducting pipe with housing cavity, the intracorporal reaction solution of shell will not enter instlated tubular
In heat conducting pipe；The low material of thermal coefficient can be used in instlated tubular or heat-insulating material is made, and heat conducting pipe uses thermal coefficient
Higher material is made；In this way when needing to heat, increase heating power, while can also start elevating mechanism and push electric heating member
Part protrudes into heat conducting pipe, transfers heat to the intracorporal reaction material liquid of shell by heat conducting pipe；When needing to cool down, heating function is reduced
While rate, electrical heating elements are pulled in instlated tubular by elevating mechanism, the waste heat of electric heating tube is completely cut off；Therefore logical
The position realization of control power and electrical heating elements is crossed to the high efficiency regulatory of reaction environment temperature in shell, heating efficiency is high, benefit
It is gone on smoothly in reaction.In addition, heat transmission fin is arranged in heating pipe outer wall, it is conducive to increase heat conducting pipe heat exchange area, raising is changed
The thermal efficiency.
Further, conduction oil is filled in the heat conducting pipe.
By loading conduction oil in heat conducting pipe, the conduction oil of coefficient is led in particular by height, such electrical heating elements are stretched
It is immersed in conduction oil after entering in ingress pipe, the heat transfer that electrical heating elements generate successively is transmitted after to conduction oil, heat conducting pipe
To the intracorporal reaction solution of shell, it is conducive to improve heat transfer efficiency.
Further, the internal diameter of the heat conducting pipe is less than the internal diameter of instlated tubular.
It is empty since in instlated tubular, the heat of electrical heating elements is successively transferred to the intracorporal reaction solution of shell through air, instlated tubular
Gas phase is lower for the thermal coefficient of conduction oil, and heat transfer efficiency is poor；If the internal diameter of heat conducting pipe is less than the internal diameter of instlated tubular, in this way
The radial distance of electrical heating elements to heat-insulated inside pipe wall is greater than the radial distance of electrical heating elements to thermally conductive inside pipe wall, further
Reduce the heat transfer efficiency in instlated tubular.
Further, the open top end of the heat conducting pipe and the bottom open end of instlated tubular are connected by flange seal.
The open top end of heat conducting pipe and the bottom open end of instlated tubular are connected by flange seal, convenient for instlated tubular
With heating tube radially dismounting, maintenance, replacement operation.
Further, the elevating mechanism includes screw rod, pair of nut and the motor for driving screw rod to rotate；The screw rod
Axial line setting is overlapped with the axial line of instlated tubular, the electrical heating elements are installed on pair of nut and with pair of nut along silk
Bar is mobile.
Elevating mechanism main body is constituted by screw rod, pair of nut and motor, structure is simple, and cost is relatively low, and descending operation spirit
Living, accurate positioning.
Further, the instlated tubular is located at end outside shell and cover board and passes through blind flange sealed connection；On blind flange
Equipped with installation base plate, axial one end of screw rod is connect after sequentially passing through blind flange and installation base plate with motor output end.
Instlated tubular is connect with housing cover by blind flange, disassembling operations of the instlated tubular on shell are facilitated.
Further, the electrical heating elements include positioning ring flat-plate and several heating rods；The positioning ring sleeve-board is located at spiral shell
On female pair outer wall, position ring flat-plate peripheral side wall it is convex set pilot pin, heat-insulated inside pipe wall be equipped with it is axially extending, for fixed
The locating slot of position needle insertion adaptation；Positioning ring flat-plate is towards being arranged several heating rods, the axis side of heating rod in the plate face of heat conducting pipe
To parallel with the axis direction of screw rod.
Motor driven screw rod rotates forward or backwards, can only since the pilot pin on positioning ring flat-plate is fastened in locating slot
It is axially moved up and down along locating slot in heat-insulated inside pipe wall, therefore rotational motion is transformed to by pair of nut by screw-driven screw rod
Linear motion up and down, pair of nut drive positioning ring flat-plate and heating rod to extend downwardly into heating tube or exit from heating tube.
Further, cyclic annular circumferentially arranged with annular mount on the inner wall of end that the instlated tubular is connect with heat conducting pipe
Fixed frame the center point is equipped with bearing, and the bearing is connect by multiple connecting rods with annular mount；Screw rod is towards heat conducting pipe
End rotation is fixed on bearing.
The axial bottom end of screw rod is rotatably arranged on bearing, and bearing by connecting rod and annular mount be fixed on every
On heat pipe inner wall, prevent screw rod offset from elevating mechanism being caused to damage.
The present invention has the advantage that and the utility model has the advantages that
1, working principle of the present invention are as follows: instlated tubular and heat conducting pipe are set in the main reaction shell of chlorine dioxide generator,
Instlated tubular and heat conducting pipe are located in a straight line and are axially arranged along shell, can be by instlated tubular, the axis of heat conducting pipe and shell three
Heart line is overlapped setting, is independently arranged inside instlated tubular and heat conducting pipe with housing cavity, the intracorporal reaction solution of shell will not enter heat-insulated
In pipe and heat conducting pipe；The low material of thermal coefficient can be used in instlated tubular or heat-insulating material is made, and heat conducting pipe uses thermally conductive system
The higher material of number is made；In this way when needing to heat, increase heating power, while can also start elevating mechanism and push electric heating
Element protrudes into heat conducting pipe, transfers heat to the intracorporal reaction material liquid of shell by heat conducting pipe；When needing to cool down, heating is reduced
While power, electrical heating elements are pulled in instlated tubular by elevating mechanism, the waste heat of electric heating tube is completely cut off；Therefore
Realize that heating efficiency is high to the high efficiency regulatory of reaction environment temperature in shell by the position of control power and electrical heating elements,
It is gone on smoothly conducive to reaction；
2, the present invention leads the conduction oil of coefficient in particular by height by loading conduction oil in heat conducting pipe, and electricity adds in this way
Thermal element immerses in conduction oil after protruding into ingress pipe, and the heat transfer that electrical heating elements generate successively is passed through to conduction oil, thermally conductive
It is transferred to the intracorporal reaction solution of shell after pipe, is conducive to improve heat transfer efficiency.Since in instlated tubular, the heat of electrical heating elements is successively passed through
Air, instlated tubular are transferred to the intracorporal reaction solution of shell, and air is lower relative to the thermal coefficient of conduction oil, and heat transfer efficiency is poor；
If the internal diameter of heat conducting pipe is less than the internal diameter of instlated tubular, the radial distance of such electrical heating elements to heat-insulated inside pipe wall is greater than electricity and adds
Thermal element further reduced the heat transfer efficiency in instlated tubular to the radial distance of thermally conductive inside pipe wall；
3, motor driven screw rod of the present invention rotates forward or backwards, since the pilot pin on positioning ring flat-plate is fastened on locating slot
It is interior, it can only axially be moved up and down along locating slot in heat-insulated inside pipe wall, therefore be transformed to rotational motion by screw-driven screw rod
The linear motion up and down of pair of nut, pair of nut drive positioning ring flat-plate and heating rod to extend downwardly into heating tube or exit from heating
Pipe.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is whole axial cross section structural schematic diagram of the invention；
Fig. 2 is that instlated tubular of the invention connects explosive view with heating tube；
Fig. 3 is electrical heating elements of the invention and elevating mechanism attachment structure schematic diagram；
Fig. 4 is positioning ring flat-plate present invention looks up structural representation of the invention；
Fig. 5 is annular mount structural schematic diagram of the invention.
Label and corresponding parts title in attached drawing: 1- shell, 2- chlorate feed pipe, 3- acid feed pipe, 4- drain
Pipe, 5- exhaust pipe, 6- heating mechanism, 61- instlated tubular, 62- heat conducting pipe, 63- electrical heating elements, 631- position ring flat-plate, and 632- adds
Hot pin, 633- pilot pin, 634- locating slot, 64- heat transmission fin, 65- conduction oil, 66- flange, 67- blind flange, 68- install base
Plate, 7- through-hole, 8- elevating mechanism, 81- screw rod, 82- pair of nut, 83- motor, 84- annular mount, 85- bearing, 86- connection
Bar.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment 1
Direct-heating type chlorine dioxide generator, including shell 1, shell 1 are equipped with chlorate feed pipe 2, sour feed pipe
3, drain pipe 4 and exhaust pipe 5, shell 1 is interior to be equipped with heating mechanism 6, and heating mechanism 6 includes that instlated tubular 61, heat conducting pipe 62 and electricity add
Thermal element 63.Offer through-hole 7 in the top blind flange of shell 1, the axial one end of instlated tubular 61 protrudes into shell 1, the axial other end
Sealing is fixed on the cover board；Instlated tubular 61, which protrudes into the opening of the free end in shell 1 and seals with the open end of heat conducting pipe 62, to be connected
It connects, the axial line of instlated tubular 61 and the axial line of heat conducting pipe 62 are overlapped, the bottom end closure of heat conducting pipe 62；Instlated tubular 61 and heat conducting pipe
62 be cylindrical structure, and 61 inner and outer wall of instlated tubular is smooth, multiple groups heat transmission fin 64 is arranged on the outer wall of heat conducting pipe 62, and lead
The thermal coefficient of heat pipe 62 is greater than the thermal coefficient of instlated tubular 61；Elevating mechanism 8 is equipped in instlated tubular 61, when needing to heat,
The elevating mechanism 8 drives electrical heating elements 63 to protrude into heat conducting pipe 62 through instlated tubular 61；When needing to cool down, elevating mechanism 8
It drives electrical heating elements 63 to exit ingress pipe 62 to take in instlated tubular 61.Anti-corrosion is coated on 62 outer wall of instlated tubular 61 and heat conducting pipe
Material.
Embodiment 2
It is further improved on the basis of embodiment 1, is filled with conduction oil 65 in the heat conducting pipe 62, electric heating is first
Part 3 protrudes into heat conducting pipe 62 and after being completely immersed in conduction oil 65, and the liquid level of conduction oil 65 reaches exactly to the top of heat conducting pipe 62
Portion, the internal diameter of heat conducting pipe 62 are less than the internal diameter of instlated tubular 61.The open top end of heat conducting pipe 62 and the bottom of instlated tubular 61 are open
End is tightly connected by flange 66.
Embodiment 3
It is further improved on the basis of embodiment 2, the elevating mechanism 8 is including screw rod 81, pair of nut 82 and for driving
The motor 83 that dynamic screw rod 81 rotates；The axial line of screw rod 81 is overlapped setting with the axial line of instlated tubular 61, and electrical heating elements 63 are pacified
Loaded on being moved on pair of nut 82 and with pair of nut 82 along screw rod 81.
Embodiment 4
Be further improved on the basis of embodiment 3, the instlated tubular 61 be located at end outside shell 1 pass through with cover board it is blind
Flange 67 is tightly connected；Blind flange 67 is equipped with installation base plate 68, and axial one end of screw rod 81 sequentially passes through blind flange 67 and peace
It is connect after dress substrate 68 with 83 output end of motor.
Embodiment 5
It is further improved on the basis of embodiment 4, the electrical heating elements 63 include positioning ring flat-plate 631 and multiple heating
Stick 632；Positioning ring flat-plate 631 is set on 82 outer wall of pair of nut, can be fixed by bolt, and the outer edge side of ring flat-plate 631 is positioned
Wall is convex to set pilot pin 633, and 61 inner wall of instlated tubular is equipped with positioning axially extending, for the insertion adaptation of pilot pin 633
Slot 634；Positioning ring flat-plate 631 towards being arranged multiple heating rods 632 in the plate face of heat conducting pipe 62, the axis direction of heating rod 632 with
The axis direction of screw rod 81 is parallel, and the axial length of heating rod 632 is the 9/10 of 62 inner cavity axial length of heat conducting pipe.Instlated tubular 61
Circumferentially arranged with annular mount 84 on the inner wall of end connecting with heat conducting pipe 62,84 the center point of annular mount is equipped with bearing
85, bearing 85 is connect by multiple connecting rods 86 with annular mount 84；Screw rod 81 is rotated towards the end of heat conducting pipe 62 and is fixed
On bearing 85.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (8)
1. direct-heating type chlorine dioxide generator, including shell (1), shell (1) be equipped with chlorate feed pipe (2), acid into
Expects pipe (3), drain pipe (4) and exhaust pipe (5), shell (1) is interior to be equipped with heating mechanism (6), which is characterized in that the heating mechanism
It (6) include instlated tubular (61), heat conducting pipe (62) and electrical heating elements (63)；
It is offered through-hole (7) in the top blind flange of the shell (1), the axial one end of the instlated tubular (61) protrudes into shell (1),
Axial other end sealing is fixed on the cover board；Instlated tubular (61) protrude into the free end in shell (1) it is open and with heat conducting pipe (62)
Open end be tightly connected, the axial line of the axial line of instlated tubular (61) and heat conducting pipe (62) is overlapped, the bottom end of heat conducting pipe (62)
Closing；
The instlated tubular (61) is in cylindrical structure, and the outer wall of heat conducting pipe (62) is equipped with heat transmission fin (64), and heat conducting pipe (62)
Thermal coefficient be greater than instlated tubular (61) thermal coefficient；
Elevating mechanism (8) are equipped in the instlated tubular (61), when needing to heat, the elevating mechanism (8) drives electric heating member
Part (63) protrudes into heat conducting pipe (62) through instlated tubular (61)；When needing to cool down, the elevating mechanism (8) drives electrical heating elements
(63) it exits in ingress pipe (62) income instlated tubular (61).
2. direct-heating type chlorine dioxide generator according to claim 1, which is characterized in that in the heat conducting pipe (62)
It is filled with conduction oil (65).
3. direct-heating type chlorine dioxide generator according to claim 2, which is characterized in that the heat conducting pipe (62)
Internal diameter is less than the internal diameter of instlated tubular (61).
4. direct-heating type chlorine dioxide generator according to claim 1, which is characterized in that the heat conducting pipe (62)
The bottom open end of open top end and instlated tubular (61) is tightly connected by flange (66).
5. direct-heating type chlorine dioxide generator according to claim 1, which is characterized in that the elevating mechanism (8)
Including screw rod (81), pair of nut (82) and for drive screw rod (81) rotate motor (83)；The axial line of the screw rod (81)
Setting is overlapped with the axial line of instlated tubular (61), the electrical heating elements (63) are installed on pair of nut (82) and with pair of nut
(82) mobile along screw rod (81).
6. direct-heating type chlorine dioxide generator according to claim 5, it is characterised in that；Instlated tubular (61) position
It is tightly connected in the end of shell (1) outside and cover board by blind flange (67)；Blind flange (67) is equipped with installation base plate (68), silk
Axial one end of bar (81) sequentially passes through blind flange (67) and installation base plate (68) and connect afterwards with motor (83) output end.
7. direct-heating type chlorine dioxide generator according to claim 5, which is characterized in that the electrical heating elements
It (63) include positioning ring flat-plate (631) and several heating rods (632)；The positioning ring flat-plate (631) is set in pair of nut (82) outer wall
On, position ring flat-plate (631) peripheral side wall it is convex sets pilot pin (633), instlated tubular (61) inner wall be equipped with axially extend,
Locating slot (634) for pilot pin (633) insertion adaptation；Positioning ring flat-plate (631) is towards being arranged in the plate face of heat conducting pipe (62)
The axis direction of several heating rods (632), heating rod (632) is parallel with the axis direction of screw rod (81).
8. direct-heating type chlorine dioxide generator according to claim 7, which is characterized in that the instlated tubular (61) with
Circumferentially arranged with annular mount (84) on the inner wall of end of heat conducting pipe (62) connection, annular mount (84) the center point is equipped with axis
It holds (85), the bearing (85) is connect by multiple connecting rods (86) with annular mount (84)；Screw rod (81) is towards heat conducting pipe
(62) end rotation is fixed on bearing (85).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811238534.2A CN108975278B (en) | 2018-10-23 | 2018-10-23 | Direct heating type chlorine dioxide generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811238534.2A CN108975278B (en) | 2018-10-23 | 2018-10-23 | Direct heating type chlorine dioxide generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108975278A true CN108975278A (en) | 2018-12-11 |
| CN108975278B CN108975278B (en) | 2020-06-02 |
Family
ID=64543644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811238534.2A Active CN108975278B (en) | 2018-10-23 | 2018-10-23 | Direct heating type chlorine dioxide generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108975278B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115287378A (en) * | 2022-08-08 | 2022-11-04 | 史密特(南京)皮革化学品有限公司 | Phospholipid fatting agent for enhancing soft and compact effect, preparation method and device |
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| CN106076230A (en) * | 2016-07-02 | 2016-11-09 | 安徽广信农化股份有限公司 | A kind of reactor for controlling pyraclostrobin synthesis temperature |
| CN207237992U (en) * | 2017-09-13 | 2018-04-17 | 宁波中循环保科技有限公司 | Waste lubrication oil regeneration complexing tank |
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| US20110250123A1 (en) * | 2006-04-28 | 2011-10-13 | Sampson Richard L | Methods and apparatus for producing the halogen dioxide, chlorine dioxide, by ion exchange |
| CN201737692U (en) * | 2010-05-28 | 2011-02-09 | 雷宁 | Dual-tank multi-stage chlorine dioxide generator |
| CN102944667A (en) * | 2012-10-30 | 2013-02-27 | 中国石油化工股份有限公司 | Double-reactor coking raw material evaluation system |
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| KR20150125890A (en) * | 2014-04-30 | 2015-11-10 | 신선진 | Device for producing chlorine dioxide using rotating blade |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115287378A (en) * | 2022-08-08 | 2022-11-04 | 史密特(南京)皮革化学品有限公司 | Phospholipid fatting agent for enhancing soft and compact effect, preparation method and device |
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| Publication number | Publication date |
|---|---|
| CN108975278B (en) | 2020-06-02 |
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