CN107673311A - A kind of continuous device and method for preparing the high-concentrated sodium hypochlorite aqueous solution - Google Patents
A kind of continuous device and method for preparing the high-concentrated sodium hypochlorite aqueous solution Download PDFInfo
- Publication number
- CN107673311A CN107673311A CN201711234012.0A CN201711234012A CN107673311A CN 107673311 A CN107673311 A CN 107673311A CN 201711234012 A CN201711234012 A CN 201711234012A CN 107673311 A CN107673311 A CN 107673311A
- Authority
- CN
- China
- Prior art keywords
- level kettle
- level
- kettle
- chlorine
- sodium hypochlorite
- 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
-
- 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
- C01B11/04—Hypochlorous acid
- C01B11/06—Hypochlorites
- C01B11/062—Hypochlorites of alkali metals
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The present invention relates to sodium hypochlorite production technical field, particularly discloses a kind of continuous device and method for preparing the high-concentrated sodium hypochlorite aqueous solution.This continuously prepares the device of the high-concentrated sodium hypochlorite aqueous solution, including the mixing duct of parallel communication original alkali lye pipeline and a waterpipe, it is characterised in that：The mixing duct connects one-level kettle by measuring pump, one-level kettle is connected in parallel two level kettle A and two level kettle B through overflow pipe, chlorine still connects one-level kettle, two level kettle A and two level kettle B by chlorine pipeline respectively, and the outlet at bottom of one-level kettle, two level kettle A and two level kettle B returns to the top entry of one-level kettle, two level kettle A or two level kettle B through circulating line through pipe reaction cooler respectively.Still reaction and pipe reaction are used in series by the present invention, and process conditions are easily controllable, lead to chlorine dose stabilization, automation, serialization degree are high, are reacted in pipe reaction cooler, substantially increase mass-and heat-transfer efficiency, improve production efficiency.
Description
（One）Technical field
It is more particularly to a kind of continuously to prepare the high-concentrated sodium hypochlorite aqueous solution the present invention relates to sodium hypochlorite production technical field
Device and method.
（Two）Background technology
With social progress, the development of rubber industry, thiofide is increasingly taken seriously, especially sulfenamide
Accelerator, it is that rubber accelerator produces that consumption is maximum, kind is most, one of most widely used type at present.Production time sulphonyl at present
The most frequently used, most ripe method of amine type accelerator is sodium hypochlorite oxidization, i.e., using aqueous sodium hypochlorite solution as oxidant, this
Method has the advantages that product yield is high, cost of material is low, technology controlling and process is stable, equipment is simple.
Oxidizing agent sodium hypochlorite's water solution preparation method has a lot, mainly have alkali liquid chlorination method, bleaching powder double decomposition and
Electrolysis etc..The higher bleaching powder double decomposition of fairly large electrolysis and financial cost is eliminated substantially, and alkali lye chlorination
Method is widely used with its simple, manageable outstanding advantages.But this method mechanization, serialization degree are poor, mostly
Number enterprise is produced using batch process, low production efficiency.
（Three）The content of the invention
The present invention is in order to make up the deficiencies in the prior art, there is provided a kind of process conditions are easily-controllable, serialization degree is high, production efficiency
The high continuous device and method for preparing the high-concentrated sodium hypochlorite aqueous solution.
The present invention is achieved through the following technical solutions：
A kind of continuous device for preparing the high-concentrated sodium hypochlorite aqueous solution, including parallel communication original alkali lye pipeline and a waterpipe
Mixing duct, it is characterised in that：The mixing duct connects one-level kettle by measuring pump, and one-level kettle is in parallel even through overflow pipe
Two level kettle A and two level kettle B are met, chlorine still connects one-level kettle, two level kettle A and two level kettle B, one-level by chlorine pipeline respectively
The outlet at bottom of kettle, two level kettle A and two level kettle B returns to one-level kettle, two level through circulating line through pipe reaction cooler respectively
The online end of online end-point detector, two level kettle A and two level kettle B is housed kettle A or two level kettle B top entry, on circulating line
Point tester interlocking logical chlorine valve door accordingly, two level kettle A and two level kettle B outlet at bottom with aqueous sodium hypochlorite solution storage tank phase
Even.
The present invention includes former alkali lye, water mixed liquid measuring pump, chlorine still, reactor, pipe reaction cooler, online
The devices such as end-point detector, realize that continuous production operates using three reactor connection in series-parallel, one-level kettle connects respectively through overflow pipe
Two two level kettles are connect, the logical chlorine of this operating method is more easy to control, at utmost reduces and risks chlorine risk.
The present invention more excellent technical scheme be：
Former flux of alkaline liquor regulating valve is installed in the former alkali lye pipeline, Water flow adjusting valve is installed on a waterpipe.
The chlorine pipeline connects be mounted on cl gas flow on the lateral of one-level kettle, two level kettle A and two level kettle B respectively
Adjustable valve group and quick action emergency valve.
Circulating pump is provided with the circulating line.
Chlorine gas distributor is respectively arranged with the chlorine inlet of the one-level kettle, two level kettle A and two level kettle B.
The blow-down pipe that divides for connecting total blow-down pipe is respectively provided with the one-level kettle, two level kettle A and two level kettle B, total blow-down pipe connects
Logical chlorine gas absorption tower；Whole system is totally-enclosed operation, it is ensured that operational error emits chlorine personnel and environment will not be damaged,
Accident risk is preferably minimized by preventive device.
The one-level kettle, two level kettle A and two level kettle B are glassed steel reaction vessels, and inside is equipped with agitating device；Pipe reaction
Cooler is shell and tube, coiled or straight tubular reactor, and outside is provided with the regulation valve group of regulation temperature.
Online end-point detector interlocking two level on two level kettle circulating line leads to chlorine valve door, and question response to terminal, is cut automatically
Disconnected two level leads to chlorine；One-level kettle flow spill valve is automatically switched in another two level kettle simultaneously, opens the logical chlorine valve door of the two level kettle.
The method that the high-concentrated sodium hypochlorite aqueous solution is continuously prepared using said apparatus, is comprised the following steps：
（1）Under 500-1300r/min speed conditions, former alkali lye, crystal are mixed in mixing duct, and one-level is pumped into through measuring pump
In kettle, former flux of alkaline liquor is 3.6m3/ h, water-carrying capacity 2.6m3/ h, pipe reaction cooler is opened, while open the logical of one-level kettle
Chlorine valve door, it is the 80% of chlorine demand to adjust logical chlorine flow, and it is 25-50 DEG C to control temperature；
（2）When feed liquid reaches one-level kettle overfall, overflowed to through overflow pipe in two level kettle A, open two level kettle A pipe reaction
Cooler and logical chlorine valve door, it is the 20% of chlorine demand to adjust logical chlorine flow, controls 25-40 DEG C of temperature；
（3）It is chain toward two level kettle A flow spill valve and the automatic control of liquid level in two level kettle A, reach setting liquid level, close automatically toward two
Level kettle A flow spill valve, while one-level kettle is opened toward two level kettle B flow spill valve；
（4）When the online end point determination of two level kettle A circulating lines is to terminal, interlocking cut-out two level kettle A logical chlorine valve door, two level is opened
Kettle B logical chlorine valve door；
（5）To 25 DEG C, console keyboard is opened in turns to expect that valve is transferred to aqueous sodium hypochlorite solution storage tank two level kettle A circulation temperature lowerings；Two level kettle A
It is arranged in parallel, recycles with two level kettle B.
In the aqueous sodium hypochlorite solution storage tank, the available chlorine content of aqueous sodium hypochlorite solution is 18.2g/100ml.
Still reaction and pipe reaction are used in series by the present invention, and process conditions are easily controllable, lead to chlorine dose stabilization, automatically
Change, serialization degree height, reacted in pipe reaction cooler, substantially increase mass-and heat-transfer efficiency, improve production efficiency；
Product realizes continuous production simultaneously, avoids in Batch Process the available chlorine content ripple caused by manual operation i.e. equipment difference
It is dynamic.
（Four）Brief description of the drawings
The present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the present invention.
In figure, 1 mixing duct, 2 measuring pumps, 3 one-level kettles, 4 former flux of alkaline liquor regulating valves, 5 Water flow adjusting valves, 6 chlorine
Generator, 7 chlorine pipelines, 8 quick action emergency valves, 9 pipe reaction coolers, 10 circulating pumps, 11 overflow pipes, 12 two level kettle A, 13
Two level kettle B, 14 aqueous sodium hypochlorite solution storage tanks.
（Five）Embodiment
Accompanying drawing is a kind of specific embodiment of the invention.Blended pipeline 1 mixes in proportion for former alkali lye, water, is pumped into through measuring pump 2
In one-level kettle 3, mixing duct 1 is connected in parallel former alkali lye pipeline and a waterpipe, and former alkali lye pipeline is provided with former flux of alkaline liquor
Regulating valve 4, one time waterpipe is provided with Water flow adjusting valve 5；The chlorine pipeline 7 being connected with chlorine still 6 passes through branched pipe
Road is connected with the top chlorine inlet of one-level kettle 3, and chlorine flowrate regulation valve group and tight is equipped with the lateral of chlorine pipeline 7
Anxious stop valve 8；The outlet at bottom of one-level kettle 3 returns to the upper end entrance of one-level kettle 3 through circulating line through pipe reaction cooler 9,
Circulating pump 10 is housed on circulating line；One-level kettle 3 is overflowed in two level kettle A12 or two level kettle B13 through the parallel connection of overflow pipe 11, and two
Level kettle A12 and two level kettle B13 outlet at bottom respectively through circulating line through pipe reaction cooler 9 return to two level kettle A12 or
Two level kettle B13 upper end entrance, circulating pump 10 is housed on circulating line；The chlorine pipeline 7 being connected with chlorine still 6 is by dividing
Branch pipe(tube) is connected with two level kettle A12 or two level kettle B13 top chlorine inlet, and chlorine is equipped with the lateral of chlorine pipeline 7
Air-flow adjustable valve group and quick action emergency valve 8；Two level kettle A12 and two level kettle B13 outlet at bottom are and aqueous sodium hypochlorite solution
Storage tank 14 is connected.
Embodiment 1：
As illustrated, former alkali lye, water blended pipe in proportion:1 mixing, is pumped into one-level kettle 3, it is through former alkali lye through measuring pump 2
It is 3.6m that the water-carrying capacity of flow control valve 4/ adjustment valve 5, which controls former flux of alkaline liquor,3/ h, water-carrying capacity 2.6m3/ h, open one-level kettle 3 and stir
Pipe reaction cooler 9 is mixed and stirred, while opens the logical chlorine valve door of one-level kettle 3, it is 345 m to adjust logical chlorine flow3/h（Standard state
Under）, it is 45 DEG C to control temperature in one-level kettle 3；When feed liquid reaches the overfall of one-level kettle 3, select to overflow to through overflow pipe 11
In two level kettle A12, two level kettle A12 pipe reaction cooler 9 and two level kettle A12 logical chlorine valve door are opened, adjusts logical chlorine flow
For 86m3/h（Under standard state）, it is 35 DEG C to control temperature in two level kettle A12；Two level kettle A12 flow spill valve and two level kettle A12
Middle automatic control of liquid level is chain, reaches setting liquid level, closes the flow spill valve toward two level kettle A12 automatically, while interlock and open one-level kettle 3
Toward two level kettle B13 flow spill valve；When online end-point detector on two level kettle A12 circulating line detects terminal, interlocking
Two level kettle A12 logical chlorine valve door is cut off, opens two level kettle B13 logical chlorine valve door；Two level kettle A12 circulation temperature lowerings are to 25 DEG C, in
Console keyboard, which is opened, to be turned to expect that valve is transferred to aqueous sodium hypochlorite solution storage tank 14.Aqueous sodium hypochlorite solution available chlorine content 18.2g/100ml.
Claims (9)
1. a kind of continuous device for preparing the high-concentrated sodium hypochlorite aqueous solution, including parallel communication original alkali lye pipeline and a water pipe
The mixing duct in road（1）, it is characterised in that：The mixing duct（1）Pass through measuring pump（2）Connect one-level kettle（3）, one-level kettle
（3）Through overflow pipe（11）It is connected in parallel two level kettle A（12）With two level kettle B（13）, chlorine still（6）Pass through chlorine pipeline
（7）One-level kettle is connected respectively（3）, two level kettle A（12）With two level kettle B（13）, one-level kettle（3）, two level kettle A（12）With two level kettle B
（13）Outlet at bottom run through pipe reaction cooler through circulating line respectively（9）Return to one-level kettle（3）, two level kettle A（12）Or
Two level kettle B（13）Top entry, online end-point detector, two level kettle A are housed on circulating line（12）With two level kettle B（13）'s
Chlorine valve door, two level kettle A are led in online end-point detector interlocking accordingly（12）With two level kettle B（13）Outlet at bottom and hypochlorous acid
Sodium water solution storage tank（14）It is connected.
2. the continuous device for preparing the high-concentrated sodium hypochlorite aqueous solution according to claim 1, it is characterised in that：The original
Former flux of alkaline liquor regulating valve is installed in alkali lye pipeline（4）, Water flow adjusting valve is installed on a waterpipe（5）.
3. the continuous device for preparing the high-concentrated sodium hypochlorite aqueous solution according to claim 1, it is characterised in that：The chlorine
Feed channel（7）One-level kettle is connected respectively（3）, two level kettle A（12）With two level kettle B（13）Lateral on be mounted on cl gas flow
Adjustable valve group and quick action emergency valve（8）.
4. the continuous device for preparing the high-concentrated sodium hypochlorite aqueous solution according to claim 1, it is characterised in that：It is described to follow
Endless tube is provided with circulating pump on road（10）.
5. the continuous device for preparing the high-concentrated sodium hypochlorite aqueous solution according to claim 1, it is characterised in that：Described one
Level kettle（3）, two level kettle A（12）With two level kettle B（13）Chlorine inlet on be respectively arranged with chlorine gas distributor.
6. the continuous device for preparing the high-concentrated sodium hypochlorite aqueous solution according to claim 1, it is characterised in that：Described one
Level kettle（3）, two level kettle A（12）With two level kettle B（13）On be respectively provided with the blow-down pipe that divides of the total blow-down pipe of connection, total blow-down pipe connects chlorine
Aspiration tower.
7. the continuous device for preparing the high-concentrated sodium hypochlorite aqueous solution according to claim 1, it is characterised in that：Described one
Level kettle（3）, two level kettle A（12）With two level kettle B（13）It is glassed steel reaction vessels, inside is equipped with agitating device；Pipe reaction drops
Warm device（9）For shell and tube, coiled or straight tubular reactor, outside is provided with the regulation valve group of regulation temperature.
8. the method that the high-concentrated sodium hypochlorite aqueous solution is continuously prepared using claim 1 described device, it is characterized in that, including such as
Lower step：（1）Under 500-1300r/min speed conditions, former alkali lye, crystal mix in mixing duct, are pumped into through measuring pump
In one-level kettle, former flux of alkaline liquor is 3.6m3/ h, water-carrying capacity 2.6m3/ h, pipe reaction cooler is opened, while open one-level kettle
Logical chlorine valve door, adjust that logical chlorine flow is chlorine demand 80%, control temperature as 25-50 DEG C；（2）Feed liquid reaches one-level kettle overflow
During mouth, overflowed to through overflow pipe in two level kettle A, open two level kettle A pipe reaction cooler and logical chlorine valve door, adjust logical chlorine
Flow is the 20% of chlorine demand, controls 25-40 DEG C of temperature；（3）Flow spill valve toward two level kettle A and the automatic control of liquid level in two level kettle A
It is chain, reach setting liquid level, close the flow spill valve toward two level kettle A automatically, while open one-level kettle toward two level kettle B overflow valve
Door；（4）When the online end point determination of two level kettle A circulating lines is to terminal, interlocking cut-out two level kettle A logical chlorine valve door, two level is opened
Kettle B logical chlorine valve door；（5）To 25 DEG C, console keyboard is opened in turns to expect that valve is transferred to aqueous sodium hypochlorite solution storage two level kettle A circulation temperature lowerings
Tank；Two level kettle A is arranged in parallel with two level kettle B, is recycled.
9. the continuous method for preparing the high-concentrated sodium hypochlorite aqueous solution according to claim 8, it is characterised in that：Described time
In sodium chlorate aqueous solution's storage tank, the available chlorine content of aqueous sodium hypochlorite solution is 18.2g/100ml.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711234012.0A CN107673311A (en) | 2017-11-30 | 2017-11-30 | A kind of continuous device and method for preparing the high-concentrated sodium hypochlorite aqueous solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711234012.0A CN107673311A (en) | 2017-11-30 | 2017-11-30 | A kind of continuous device and method for preparing the high-concentrated sodium hypochlorite aqueous solution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107673311A true CN107673311A (en) | 2018-02-09 |
Family
ID=61150615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711234012.0A Pending CN107673311A (en) | 2017-11-30 | 2017-11-30 | A kind of continuous device and method for preparing the high-concentrated sodium hypochlorite aqueous solution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107673311A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109865494A (en) * | 2019-02-26 | 2019-06-11 | 宁夏万香源生物科技有限公司 | Mixed liquor continuously neutralizes hierarchical system after a kind of chlorinated hydrolysis |
| CN114642746A (en) * | 2022-04-07 | 2022-06-21 | 安徽萍聚德医疗科技股份有限公司 | Subacidity hypochlorous acid all-in-one |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1110272A (en) * | 1995-01-16 | 1995-10-18 | 宜宾天原股份有限公司 | Proces for producing hydrazine hydrate by urea optimization method |
| CN1803582A (en) * | 2006-01-25 | 2006-07-19 | 宜宾天原股份有限公司 | Method and apparatus for continuous production of high-concentrated sodium hypochlorite |
| CN1824737A (en) * | 2006-04-03 | 2006-08-30 | 上海氯碱化工股份有限公司 | Continuous production method of chlorinated paraffin |
| CN101811936A (en) * | 2009-11-12 | 2010-08-25 | 山东聊城中盛蓝瑞化工有限公司 | Benzyl alcohol continuous hydrolysis technology and use equipment thereof |
| CN101962173A (en) * | 2010-11-18 | 2011-02-02 | 重庆天原化工有限公司 | Continuous preparation method for sodium hypochlorite |
| CN102071060A (en) * | 2011-01-24 | 2011-05-25 | 冀州市大搪化工设备有限公司 | Non-powered cycle continuous chlorinated paraffin production device |
| CN102491276A (en) * | 2011-11-24 | 2012-06-13 | 泸州北方化学工业有限公司 | Method for producing sodium hypochlorite through adding alkali twice |
| CN103274991A (en) * | 2013-06-11 | 2013-09-04 | 衡水凯亚化工有限公司 | Method and device for producing 2, 2, 6, 6-Tetramethyl-4-piperidinol through continuous catalytic hydrogenation |
| CN107010599A (en) * | 2017-03-30 | 2017-08-04 | 安徽八化工股份有限公司 | A kind of sodium hypochlorite continuous production device |
-
2017
- 2017-11-30 CN CN201711234012.0A patent/CN107673311A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1110272A (en) * | 1995-01-16 | 1995-10-18 | 宜宾天原股份有限公司 | Proces for producing hydrazine hydrate by urea optimization method |
| CN1803582A (en) * | 2006-01-25 | 2006-07-19 | 宜宾天原股份有限公司 | Method and apparatus for continuous production of high-concentrated sodium hypochlorite |
| CN1824737A (en) * | 2006-04-03 | 2006-08-30 | 上海氯碱化工股份有限公司 | Continuous production method of chlorinated paraffin |
| CN101811936A (en) * | 2009-11-12 | 2010-08-25 | 山东聊城中盛蓝瑞化工有限公司 | Benzyl alcohol continuous hydrolysis technology and use equipment thereof |
| CN101962173A (en) * | 2010-11-18 | 2011-02-02 | 重庆天原化工有限公司 | Continuous preparation method for sodium hypochlorite |
| CN102071060A (en) * | 2011-01-24 | 2011-05-25 | 冀州市大搪化工设备有限公司 | Non-powered cycle continuous chlorinated paraffin production device |
| CN102491276A (en) * | 2011-11-24 | 2012-06-13 | 泸州北方化学工业有限公司 | Method for producing sodium hypochlorite through adding alkali twice |
| CN103274991A (en) * | 2013-06-11 | 2013-09-04 | 衡水凯亚化工有限公司 | Method and device for producing 2, 2, 6, 6-Tetramethyl-4-piperidinol through continuous catalytic hydrogenation |
| CN107010599A (en) * | 2017-03-30 | 2017-08-04 | 安徽八化工股份有限公司 | A kind of sodium hypochlorite continuous production device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109865494A (en) * | 2019-02-26 | 2019-06-11 | 宁夏万香源生物科技有限公司 | Mixed liquor continuously neutralizes hierarchical system after a kind of chlorinated hydrolysis |
| CN109865494B (en) * | 2019-02-26 | 2024-03-08 | 宁夏万香源生物科技有限公司 | Mixed feed liquid continuous neutralization layering system after chlorination hydrolysis |
| CN114642746A (en) * | 2022-04-07 | 2022-06-21 | 安徽萍聚德医疗科技股份有限公司 | Subacidity hypochlorous acid all-in-one |
| CN114642746B (en) * | 2022-04-07 | 2023-09-05 | 安徽萍聚德医疗科技股份有限公司 | Slightly acidic hypochlorous acid all-in-one machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107673311A (en) | A kind of continuous device and method for preparing the high-concentrated sodium hypochlorite aqueous solution | |
| CN108560013A (en) | A kind of cyclic electrolysis hypochlorite generator | |
| CN106010649A (en) | Chlorinated paraffin continuous production process efficiently utilizing chlorine gas | |
| CN110540282A (en) | Water pH value adjusting method | |
| CN104085931B (en) | Industrial Wastewater Treatment integrated control and control method | |
| CN107286066B (en) | Process and system for continuously producing rubber vulcanization accelerator tetramethyl thiuram disulfide | |
| CN105502487B (en) | The hydrolysis system and method for a kind of oriented control titanium dioxide particle diameter | |
| CN207159126U (en) | A kind of nylon polymerization reaction test device | |
| CN207619019U (en) | A kind of continuous device for preparing high-concentrated sodium hypochlorite aqueous solution | |
| CN201158590Y (en) | Chlorine dioxide generator | |
| CN209178270U (en) | The pH value that hydraulic art is absorbed in a kind of ethylene oxide production optimizes apparatus system | |
| CN206613497U (en) | Ozone vegetable oil production device and manufacturing equipment | |
| CN106397289B (en) | The process units and its production method of a kind of Sodium Dimethyldithiocarbamate | |
| CN209759349U (en) | System for recovering cyanuric acid in dichloro mother liquor | |
| CN210787304U (en) | Device for chlorination reaction | |
| CN106748628B (en) | A kind of method that low temperature continuous chlorination prepares mixed-chlorotoluene | |
| CN203999004U (en) | Industrial Wastewater Treatment integrated control | |
| CN210186894U (en) | Additive preparation system | |
| CN210131519U (en) | Automatic dosing system for carbon black flue gas desulfurization | |
| CN206731084U (en) | Relieving haperacidity tank | |
| CN206295870U (en) | From the remote control automatic compounding system of friendship acid ＆ alkali liquid | |
| CN205392372U (en) | Reation kettle water circulating system | |
| CN206203968U (en) | A kind of automatic gauge acid adding dechlorination equipment | |
| CN213286767U (en) | Vertical strong turbulent flow removes ammonium reaction unit | |
| CN101054473B (en) | Coupling producing device and producing technique |
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 |