CN109867346A - A kind of throwing device and addition method of composite ferrate chemicals - Google Patents
A kind of throwing device and addition method of composite ferrate chemicals Download PDFInfo
- Publication number
- CN109867346A CN109867346A CN201910191434.7A CN201910191434A CN109867346A CN 109867346 A CN109867346 A CN 109867346A CN 201910191434 A CN201910191434 A CN 201910191434A CN 109867346 A CN109867346 A CN 109867346A
- Authority
- CN
- China
- Prior art keywords
- reaction
- ferrate
- storing pot
- reactor tank
- medicine storing
- 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
Landscapes
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
本发明公开了一种高铁酸盐复合药剂的投加装置以及投加方法，属于水处理设备技术领域。其包括：储药单元、反应单元和检测控制单元，储药单元与反应单元连接，且检测控制单元分别与储药单元和反应单元通信连接；反应单元包括第一反应罐和第二反应罐；储药单元包括与反应单元对应连接的储药罐；检测控制系统包括PLC控制系统、水质检测仪以及分别与储药单元和反应单元连接的检测控制仪器。通过PLC控制系统控制储药单元中每种储药的加量，从而控制高铁酸盐复合药剂的反应生成。本发明可现场制备高铁酸盐药剂，解决了因高铁酸盐稳定性差导致存储运输难的问题；并且可根据对水样的检测结果，选择分析出适合的复配添加药剂和配比，达到更佳的使用效果。
The invention discloses a dosing device and a dosing method of a ferrate compound agent, belonging to the technical field of water treatment equipment. It includes: a medicine storage unit, a reaction unit and a detection control unit, the medicine storage unit is connected with the reaction unit, and the detection control unit is respectively connected in communication with the medicine storage unit and the reaction unit; the reaction unit includes a first reaction tank and a second reaction tank; The medicine storage unit includes a medicine storage tank correspondingly connected with the reaction unit; the detection and control system includes a PLC control system, a water quality detector, and a detection and control instrument respectively connected with the medicine storage unit and the reaction unit. The addition amount of each drug in the drug storage unit is controlled by the PLC control system, so as to control the reaction generation of the ferrate compound drug. The invention can prepare ferrate medicament on site, solve the problem of difficult storage and transportation due to poor ferrate stability; and can select and analyze suitable compound additive medicament and proportion according to the detection result of the water sample, so as to achieve better good use effect.
Description
Technical field
The present invention relates to technical field of water treatment equipment, and in particular to a kind of throwing device of composite ferrate chemicals with
And addition method.
Background technique
Currently, Available water resources amount is few per capita and distributed pole is unbalanced, and people's lives are drunk due to water resources shortage
The problem of water problems is at present urgent need to resolve.In recent years, due to ferro element, its is nontoxic and pollution-free, and water treatment efficiency is excellent, and iron
The element characteristic widely distributed, cheap in the earth, iron-based material are widely used in water treatment procedure, such as Zero-valent Iron original
Repair the technologies such as underground water, Fenton's reaction and Magnetic Isolation in position.
Ferro element exists in nature with a variety of valence states, including zeroth order ,+II ,+III ,+IV ,+V and+VI etc..Wherein, high
Valence iron is concerned, and is usually used in commercial synthesis or water process, such as the degradation of green chemical synthesis, organic pollutant.Ferric acid
Salt is received significant attention, ferrate has as a kind of efficient, clean water treatment agent with the characteristic of its outstanding oxidation
Strong oxidizing property, can degrade some hardly degraded organic substances within the several seconds to tens of seconds.Ferrate can be used as a kind of green as a result,
Water treatment agent, maximum advantage is efficiently to aoxidize and coagulating treatment effect, while not generating secondary dirt in treatment process
Dye, is applicable not only to the oxidation removal of pollutant in sewage treatment, can also be applied to the treatment process of drinking water.
There are the following problems for the water treatment applications of currently used composite ferrate chemicals: the preparation of ferrate
Time cycle is longer, and to prepare material quality big for consumption, a large amount of to consume experimental periods and experiment fees；Ferrate is due to its tool
Have strong oxidizing property, after preparation easily in air oxygen and vapor contact and react, cause ferrate medicament to be oxidized,
The problem of deliquescence, the effective component of ferrate medicament is reduced.
Summary of the invention
The purpose of the present invention is to provide a kind of throwing device of composite ferrate chemicals and addition methods, to solve
The select permeability of existing composite ferrate chemicals Chinese medicine agent prescription and dosing method solves ferrate and is not easy to store, easy oxygen
Change the problem of decomposing.
The technical scheme to solve the above technical problems is that
A kind of throwing device of composite ferrate chemicals, comprising: medicine storage unit, reaction member and detection control unit,
Medicine storage unit is connect with reaction member, and detection control unit is communicated to connect with medicine storage unit and reaction member respectively；
Reaction member includes: the first reactor tank and reacts tank connected second reactor tank with first；
Medicine storage unit includes the first medicine storing pot connecting respectively with the dosing mouth in the first reactor tank and reacts with second
Second medicine storing pot of the dosing mouth connection on tank；
Detection control unit includes: water quality testing meter, first be arranged between the first reactor tank and the first medicine storing pot meter
Amount pump, the first temperature sensor being arranged in the first reactor tank and pH detector, setting are anti-in the second medicine storing pot and second
Answer the second metering pump between tank and PLC control system, PLC control system respectively with water quality testing meter, the first metering pump,
First temperature sensor, pH detector and the communication connection of the second metering pump.
Further, in preferred embodiments of the present invention, above-mentioned first reactor tank includes sequentially connected reaction chamber, mistake
Filter chamber and drying room, reaction chamber are connected to the first medicine storing pot；Be provided with the first blender in reaction chamber, and the first blender with
PLC control system communication connection.
Further, in preferred embodiments of the present invention, above-mentioned first medicine storing pot includes hypochlorite medicine storing pot, molysite
Medicine storing pot and overbased salts medicine storing pot and reaction water storage tank, and each salt medicine storing pot in the first medicine storing pot is provided with spring
Partition and dehumidifier.
Further, in preferred embodiments of the present invention, above-mentioned first metering pump includes corresponding with the first medicine storing pot
Hypochlorite metering pump, molysite metering pump, strong basicity metering pump and the water sprayer of setting.
Further, in preferred embodiments of the present invention, the second blender, and are provided in above-mentioned second reactor tank
Two blenders and PLC control system communicate to connect.
Further, in preferred embodiments of the present invention, above-mentioned PLC control system includes PLC controller, external components
And power supply part, PLC controller respectively with water quality testing meter, first metering pump, the first temperature sensor, pH detector and
The communication connection of second metering pump；External components include: the key, touch screen and display lamp being arranged in PLC control system.
Further, in preferred embodiments of the present invention, be separately provided in above-mentioned second medicine storing pot iron chloride storage chamber,
Frerrous chloride storage chamber, manganese chloride storage chamber, copper powder storage chamber and iron powder storage chamber, and each storage chamber is connected to the second metering pump respectively.
A kind of addition method of composite ferrate chemicals, using above-mentioned composite ferrate chemicals throwing device into
Row adds, and specific steps include:
(1) water sample is detected by water quality testing meter inspection, obtains the detection data of water sample；
(2) it is calculated according to detection data by PLC control system and controls the first medicine storing pot and be added into the first reactor tank
Drug simultaneously sets the reaction condition in the first reactor tank, and reaction generates ferrate medicament；
(3) it is calculated according to detection data and ferrate medicament production quantity by PLC control system and controls the second drug storage
Drug is added into the second reactor tank for tank, and ferrate medicament is mixed with the drug in the second reactor tank, obtains ferric acid
Salt confection；
(4) ferrate confection is added in water sample.
Further, in preferred embodiments of the present invention, in above-mentioned steps (2), the reaction item of PLC control system setting
Part includes: that the hypochlorite concentration of addition is greater than 10mol/L；The molysite solid and the mass ratio of overbased salts solid of addition be
10:1~2, and the molar concentration for the hypochlorite and molysite being added is 1.2~1.8:1；Reaction condition are as follows: reaction pH is 8-10；
Reaction temperature is 20~30 DEG C.
Further, in preferred embodiments of the present invention, in above-mentioned steps (3), the reaction item of PLC control system setting
Part: it is with the 1:2 of molar ratio that ferrate medicament, iron chloride, other compoundings in addition to iron chloride, which add the adding proportion of medicaments,
~10:1.
The invention has the following advantages:
1, ferrate medicament can be prepared in situ, solve because ferrate stability is poor, caused storage transport hardly possible
Problem；And suitable compounding addition medicament and proportion can be gone out according to the testing result to water sample, selection analysis, reached more preferably
Using effect.The yield for the ferrate medicament being prepared, concentration are high, and preparation cost is low, and without heating, charging is simple, body
It is self-contained circulation, the composite ferrate chemicals raw material availability being prepared is high, no pollution to the environment.
2, drug storage space is separately provided and dehumidification device is installed, reduces drug storage space water content, reduces medicament deliquescence amount, mentions
High agent stability slows down medicament effective component degradation speed, can save medicament for a long time.
3, the medicine storing pot with spring insert is selected, medicine storing pot spare space air is discharged, to reduce high oxidative medicament master
To be the amount of oxidation of ferrate medicament, extend ferrate storage time, the preparation method storage that can be provided according to the present invention
Higher degree compared with the ferrate of multimass, and guarantees that high-speed rail medicament does not aoxidize.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the connection structure relational graph of PLC control system of the invention.
In figure: the first reactor tank of 100-；101- reaction chamber；The filter chamber 102-；103- drying room；The first blender of 104-；
The second reactor tank of 110-；The second blender of 111-；The first medicine storing pot of 200-；201- hypochlorite medicine storing pot；202- molysite drug storage
Tank；203- overbased salts medicine storing pot；204- reacts water storage tank；205- spring insert；206- dehumidifier；The second medicine storing pot of 210-；
300- water quality testing meter；310- first measures pump；311- hypochlorite metering pump；312- molysite metering pump；313- strong basicity
Metering pump；314- water sprayer；The first temperature sensor of 320-；330-pH detector；The second metering pump of 340-；350-PLC control
System.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
Embodiment
Referring to Fig.1 and 2, composite ferrate chemicals throwing device of the invention comprising: medicine storage unit, reaction
Unit and detection control unit, medicine storage unit are connect with reaction member, and detection control unit respectively with medicine storage unit and react
Unit communication connection；
Reaction member includes: the first reactor tank 100 and the second reactor tank 110, the first reactor tank 100 and the second reactor tank
110 connections.First reactor tank 100 include sequentially connected reaction chamber 101, filter chamber 102 and drying room 103, reaction chamber 101 with
The connection of first medicine storing pot 200；The first blender 104, and the first blender 104 and PLC control system are provided in reaction chamber 101
350 communication connections.
Medicine storage unit includes the first medicine storing pot 200 and the second medicine storing pot 210, the first medicine storing pot 200 and the first reactor tank 100
On dosing mouth connection, the first medicine storing pot 200 include hypochlorite medicine storing pot 201, molysite medicine storing pot 202 and overbased salts drug storage
Tank 203 and reaction water storage tank 204, and each salt medicine storing pot in the first medicine storing pot 200 is provided with spring insert 205 and removes
Wet device 206.The hypochlorite in hypochlorite medicine storing pot 201 includes postassium hypochlorite or sodium hypochlorite, molysite storage in the present invention
Molysite in medicinal cupping 202 includes iron chloride or ferric nitrate, the overbased salts in overbased salts medicine storing pot 203 include sodium hydroxide or
Potassium hydroxide.
Second medicine storing pot 210 is connect with the dosing mouth in the second reactor tank 110, is provided with second in the second reactor tank 110
Blender 111, and the second blender 111 is communicated to connect with PLC control system 350.Chlorine is separately provided in second medicine storing pot 210
Change iron storage chamber, frerrous chloride storage chamber, manganese chloride storage chamber, copper powder storage chamber and iron powder storage chamber, and each storage chamber is measured with second respectively
340 connection of pump.
Detection control unit includes:, water quality testing meter 300, first measures pump 310, the first temperature sensor 320, pH
Detector 330, the second metering pump 340 and PLC control system 350, the first metering pump 310 are arranged in 100 He of the first reactor tank
Between first medicine storing pot 200, the first metering pump 310 includes the hypochlorite metering pump being correspondingly arranged with the first medicine storing pot 200
311, molysite metering pump 312, strong basicity metering pump 313 and water sprayer 314.
First temperature sensor 320 and pH detector 330 are arranged in the first reactor tank 100, the setting of the second metering pump 340
Between the second medicine storing pot 210 and the second reactor tank 110, PLC control system 350 is measured with water quality testing meter 300, first respectively
Pump 310, the first temperature sensor 320, pH detector 330 and the communication connection of the second metering pump 340.
PLC control system 350 includes PLC controller, external components and power supply part, and PLC controller is using S7-300's
PLC controller, PLC controller are measured pump 310, the first temperature sensor 320, pH with water quality testing meter 300, first respectively and are examined
Survey device 330 and the communication connection of the second metering pump 340.External components include: the key being arranged in outside PLC control system 350, touching
Screen and display lamp are touched, and key is slight key, the information added for inputting composite ferrate chemicals；Touch screen uses three
The GOT F940 touch screen of water chestnut company；Display lamp is 2 sections of LED display lamps.Power supply part is the DC power module of built-in 24V, is used
It powers in PLC controller and external components.
Using the addition method of the composite ferrate chemicals of the throwing device of above-mentioned composite ferrate chemicals, specifically
Step includes:
(1) water sample is detected by water quality testing meter 300, obtains the detection data of water sample；
(2) it is calculated according to detection data by PLC control system 350 and controls the first medicine storing pot 200 to the first reactor tank
Drug is added in 100 and sets the reaction condition in the first reactor tank 100, reaction generates ferrate medicament；
(3) it is calculated according to detection data and ferrate medicament production quantity by PLC control system 350 and controls the second storage
Drug is added into the second reactor tank 110 for medicinal cupping 210, and ferrate medicament is mixed with the drug in the second reactor tank 110,
Obtain ferrate confection；
(4) ferrate confection is added in water sample.
Further, in preferred embodiments of the present invention, in above-mentioned steps (2), the reaction item of PLC control system setting
Part includes: that the hypochlorite concentration of addition is greater than 10mol/L；The molysite solid and the mass ratio of overbased salts solid of addition be
10:1~2, and the molar concentration for the hypochlorite and molysite being added is 1.2~1.8:1；Reaction condition are as follows: reaction pH is 8-10；
Reaction temperature is 20~30 DEG C.
Further, in preferred embodiments of the present invention, in above-mentioned steps (3), the reaction item of PLC control system setting
Part: it is with the 1:2 of molar ratio that ferrate medicament, iron chloride, other compoundings in addition to iron chloride, which add the adding proportion of medicaments,
~10:1.
The foregoing is merely a prefered embodiment of the invention, is not intended to limit the invention, all in the spirit and principles in the present invention
Within, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of throwing device of composite ferrate chemicals characterized by comprising medicine storage unit, reaction member and detection
Control unit, the medicine storage unit are connect with the reaction member, and the detection control unit respectively with the medicine storage unit
It is communicated to connect with the reaction member；
The reaction member includes: the first reactor tank (100) and the second reactor tank for connecting with first reactor tank (100)
(110)；
The medicine storage unit includes the first medicine storing pot (200) connecting respectively with the dosing mouth on first reactor tank (100)
And the second medicine storing pot (210) being connect with the dosing mouth on second reactor tank (110)；
The detection control unit includes: water quality testing meter (300), is arranged in the first reactor tank (100) and the first medicine storing pot
(200) the first metering pump (310), first temperature sensor (320) of the setting on first reactor tank (100) between
And the second metering of pH detector (330), setting between second medicine storing pot (210) and second reactor tank (110)
Pump (340) and PLC control system (350), the PLC control system (350) respectively with the water quality testing meter (300), described
First metering pump (310), first temperature sensor (320), the pH detector (330) and the second metering pump (340)
Communication connection.
2. the throwing device of composite ferrate chemicals according to claim 1, which is characterized in that first reactor tank
(100) include sequentially connected reaction chamber (101), filter chamber (102) and drying room (103), the reaction chamber (101) with it is described
First medicine storing pot (200) connection；It is provided with the first blender (104) in the reaction chamber (101), and first blender
(104) it is communicated to connect with the PLC control system (350).
3. the throwing device of composite ferrate chemicals according to claim 1, which is characterized in that first medicine storing pot
It (200) include hypochlorite medicine storing pot (201), molysite medicine storing pot (202) and overbased salts medicine storing pot (203) and reaction water storage tank
(204), each salt medicine storing pot and in first medicine storing pot (200) is provided with spring insert (205) and dehumidifier
(206)。
4. the throwing device of composite ferrate chemicals according to claim 3, which is characterized in that first metering pump
Part (310) includes hypochlorite metering pump (311), the molysite metering pump being correspondingly arranged with first medicine storing pot (200)
(312), strong basicity metering pump (313) and water sprayer (314).
5. the throwing device of composite ferrate chemicals according to claim 1, which is characterized in that second reactor tank
(110) it is provided with the second blender (111) in, and second blender (111) is communicated with the PLC control system (350)
Connection.
6. the throwing device of composite ferrate chemicals according to claim 1, which is characterized in that PLC control system
System (350) includes PLC controller, external components and power supply part, the PLC controller respectively with the water quality testing meter
(300), first metering pump (310), first temperature sensor (320), the pH detector (330) and described
Second metering pump (340) communication connection；The external components include: be arranged key on the PLC control system (350),
Touch screen and display lamp.
7. the throwing device of composite ferrate chemicals according to claim 1, which is characterized in that second medicine storing pot
(210) iron chloride storage chamber, frerrous chloride storage chamber, manganese chloride storage chamber, copper powder storage chamber and iron powder storage chamber are separately provided in, and each
Storage chamber is connected to second metering pump (340) respectively.
8. a kind of addition method of composite ferrate chemicals, which is characterized in that using any one of the claim 1-7 high-speed rail
The throwing device of hydrochlorate composite drug is added, and specific steps include:
(1) water sample is detected by water quality testing meter (300), obtains the detection data of water sample；
(2) it is calculated according to detection data by PLC control system (350) and controls the first medicine storing pot (200) to the first reactor tank
(100) drug is added in and sets the reaction condition in the first reactor tank (100), reaction generates ferrate medicament；
(3) it is calculated according to detection data and ferrate medicament production quantity by PLC control system (350) and controls the second drug storage
Tank (210) is to being added drug in the second reactor tank (110), and by the drug in ferrate medicament and the second reactor tank (110)
Mixing, obtains ferrate confection；
(4) ferrate confection is added in water sample.
9. the addition method of composite ferrate chemicals according to claim 8, which is characterized in that in step (2), PLC
The reaction condition of control system setting includes: that the hypochlorite concentration of addition is greater than 10mol/L；The molysite solid and highly basic of addition
Property salt solid mass ratio be 10:1~2, and be added hypochlorite and molysite molar concentration be 1.2~1.8:1；React item
Part are as follows: reaction pH is 8-10；Reaction temperature is 20~30 DEG C.
10. the addition method of composite ferrate chemicals according to claim 8, it is characterised in that step (3), PLC control
The reaction condition of default processed: ferrate medicament, iron chloride, other compoundings in addition to iron chloride add the addition ratio of medicaments
Example is with 1:2~10:1 of molar ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910191434.7A CN109867346A (en) | 2019-03-14 | 2019-03-14 | A kind of throwing device and addition method of composite ferrate chemicals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910191434.7A CN109867346A (en) | 2019-03-14 | 2019-03-14 | A kind of throwing device and addition method of composite ferrate chemicals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109867346A true CN109867346A (en) | 2019-06-11 |
Family
ID=66920409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910191434.7A Pending CN109867346A (en) | 2019-03-14 | 2019-03-14 | A kind of throwing device and addition method of composite ferrate chemicals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109867346A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103058281A (en) * | 2013-01-06 | 2013-04-24 | 东北电力大学 | Process and device used for preparing ferrate salt with on-line wet chemical method |
| US20130284678A1 (en) * | 2010-12-15 | 2013-10-31 | Ferrate Treatment Technologies, Llc | Methods and devices for measuring the concentration of an additive |
| CN204342497U (en) * | 2014-11-14 | 2015-05-20 | 苏州工业园区清源华衍水务有限公司 | A kind of sewage disposal hypochlorite disinfectant dosing control device |
| CN105417672A (en) * | 2015-11-11 | 2016-03-23 | 青岛农业大学 | Method and system for online preparing ferrate to process sewage |
-
2019
- 2019-03-14 CN CN201910191434.7A patent/CN109867346A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130284678A1 (en) * | 2010-12-15 | 2013-10-31 | Ferrate Treatment Technologies, Llc | Methods and devices for measuring the concentration of an additive |
| CN103058281A (en) * | 2013-01-06 | 2013-04-24 | 东北电力大学 | Process and device used for preparing ferrate salt with on-line wet chemical method |
| CN204342497U (en) * | 2014-11-14 | 2015-05-20 | 苏州工业园区清源华衍水务有限公司 | A kind of sewage disposal hypochlorite disinfectant dosing control device |
| CN105417672A (en) * | 2015-11-11 | 2016-03-23 | 青岛农业大学 | Method and system for online preparing ferrate to process sewage |
Non-Patent Citations (1)
| Title |
|---|
| 乐志强 等: "《无机精细化学品手册》", 31 January 2001, 化学工业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101421053B (en) | Mobile surface cleaning machine with jet device and method for producing jet cleaning liquid on mobile surface cleaning machine | |
| KR20230027128A (en) | Purifier, water cleaner, filter purifier, ionic purifier, coffee purifier, portable purifier, valve room purifier | |
| CN109529894A (en) | A kind of application activating persulfate catalyst and its be catalyzed persulfate removal pollutant | |
| CN109574342A (en) | A kind of UV sterilization cup | |
| CN102357480A (en) | Method for producing electrochemically activated cleaning liquid | |
| CN103599557B (en) | A kind of application high concentration electric potential water carries out the system and device of air sterillization to chicken farm | |
| CN103435131A (en) | Method and device for preparing acidic electrolyzed water | |
| CN109650558A (en) | The equipment and its application method of electrodialysis reversal system in-situ reducing carbon dioxide based on bioelectrochemistry | |
| CN109867346A (en) | A kind of throwing device and addition method of composite ferrate chemicals | |
| CN203065583U (en) | Slightly acidic hypochlorous acid water production device | |
| CN102732907A (en) | Method for producing electrolyzed water | |
| Sutherland et al. | A field based evaluation of household arsenic removal technologies for the treatment of drinking water | |
| CN110731448A (en) | intelligent OH water hydroxyl water catalyst food material cleaning and purifying device | |
| CN206705754U (en) | A kind of detection removal device of Disinfection Byproducts in Drinking Water | |
| CN205773554U (en) | A kind of solar energy park landscape lake water disinfection device | |
| CN213202454U (en) | Intelligent sterile water manufacturing and applying equipment | |
| CN205974687U (en) | High -efficient chlorine dioxide disinfection machine | |
| CN206843595U (en) | A kind of electrolysis chlorine dioxide generator | |
| CN201195701Y (en) | Water making machine of electrolysis | |
| CN205313083U (en) | Domestic water antiseptic solution preparation facilities | |
| CN205953734U (en) | Compound processing apparatus who disinfects of oil field injected water ultraviolet ray | |
| CN205973777U (en) | Integration chlorine dioxide disinfection machine | |
| CN203247158U (en) | High-efficient adsorption columella for detecting bromate in drinking water | |
| CN203922830U (en) | The integrated preparation system that adds of potassium permanganate | |
| CN206580708U (en) | One kind handles organic wastewater device using microalgae |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190611 |