CN109706471B - Self-cleaning split sodium hypochlorite generator - Google Patents
Self-cleaning split sodium hypochlorite generator Download PDFInfo
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- CN109706471B CN109706471B CN201910072569.1A CN201910072569A CN109706471B CN 109706471 B CN109706471 B CN 109706471B CN 201910072569 A CN201910072569 A CN 201910072569A CN 109706471 B CN109706471 B CN 109706471B
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- tank
- salt
- brine
- sodium hypochlorite
- movable plate
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- 239000005708 Sodium hypochlorite Substances 0.000 title claims abstract description 29
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 238000004140 cleaning Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 75
- 150000003839 salts Chemical class 0.000 claims abstract description 72
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 25
- 239000002253 acid Substances 0.000 claims abstract description 11
- 239000012267 brine Substances 0.000 claims description 34
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 34
- 238000003756 stirring Methods 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 11
- 238000004090 dissolution Methods 0.000 claims description 4
- 230000015271 coagulation Effects 0.000 claims description 3
- 238000005345 coagulation Methods 0.000 claims description 3
- 238000005342 ion exchange Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 239000010865 sewage Substances 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 6
- 238000004659 sterilization and disinfection Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- 239000007787 solid Chemical class 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- YRIZYWQGELRKNT-UHFFFAOYSA-N 1,3,5-trichloro-1,3,5-triazinane-2,4,6-trione Chemical compound ClN1C(=O)N(Cl)C(=O)N(Cl)C1=O YRIZYWQGELRKNT-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 239000004155 Chlorine dioxide Substances 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 235000019398 chlorine dioxide Nutrition 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
- 229950009390 symclosene Drugs 0.000 description 1
Landscapes
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention relates to the technical field of electrolysis equipment, in particular to a self-cleaning split sodium hypochlorite generator. The salt water tank is connected with the salt bin, the clear water tank and the electrolysis system respectively, and the electrolysis system is connected with the storage tank, the clear water tank and the acid tank respectively. The invention is mainly applied to large sewage treatment sites or water works, and can realize the on-site use of sodium hypochlorite, thereby solving the problem that the sodium hypochlorite is not easy to store and transport for a long time; meanwhile, the invention can also automatically acid and water wash to keep the electrolytic system clean, and has long service life.
Description
Technical Field
The invention relates to the technical field of electrolysis equipment, in particular to a self-cleaning split sodium hypochlorite generator.
Background
At present, the water body disinfection types include agents and modes such as chlorine, sodium hypochlorite, bleaching powder, chlorine dioxide, trichloroisocyanuric acid, hydrogen peroxide, ozone and the like, and means such as ultraviolet disinfection of iodine water and high-valence oxidation water. Sodium hypochlorite solution is well known to be a strong non-naturally occurring oxidizing agent. Its sterilizing effect is equivalent to that of chlorine gas, and belongs to a strong sterilizing and virus-killing medicine with high effect, broad spectrum and safety. Has been widely used for disinfection, epidemic prevention and disinfection of various water bodies including tap water, industrial circulating water, swimming pool water, hospital sewage and the like. Sodium hypochlorite solutions are very advantageous compared to other disinfectants. However, because the sodium hypochlorite solution is not easy to store for a long time, and a large number of containers are needed for purchasing from a factory, the transportation is complicated and inconvenient, and the industrial product has some impurities, the solution is high in concentration and is easier to volatilize, especially for large sewage treatment sites or running water factories, a split type sodium hypochlorite generator is needed to realize the on-site use of sodium hypochlorite, so that the problem that the sodium hypochlorite is not easy to store and transport for a long time is solved.
Disclosure of Invention
The invention aims to solve the problems and provides a self-cleaning split type sodium hypochlorite generator which is applied to a large sewage treatment site or a tap water plant, can realize the on-site use of sodium hypochlorite and does not need manual cleaning and scaling.
The technical scheme of the invention for solving the problems is that the self-cleaning split sodium hypochlorite generator is provided, is arranged on an engineering site and comprises an electrolysis system, a salt bin, a clean water tank, a salt water tank, a storage tank and an acid tank, wherein the electrolysis system, the salt water bin, the clean water tank and the electrolysis system are arranged on a foundation, and the electrolysis system is respectively connected with the storage tank, the clean water tank and the acid tank.
Preferably, the clean water tank is connected with a water source through a pretreatment device of water.
Preferably, the salt water tank is provided with a salt bar feeder, and the salt bin is connected with the salt bar feeder through a conveying device.
Preferably, the pretreatment device of the water sequentially comprises a coagulation tank, a filter tank and an ion exchange column.
Preferably, the top of the brine tank is provided with a brine inlet, the side part of the brine tank is provided with a water inlet, the bottom of the brine tank is provided with a liquid outlet, and a brine falling component for slowing down the brine falling speed and a stirring component for accelerating the brine dissolution are sequentially arranged in the brine tank inner cavity along the brine falling direction.
Preferably, the stirring assembly comprises a main shaft arranged on the brine tank and a stirring piece arranged on the main shaft.
Preferably, the salt dropping assembly comprises an annular fixed plate and an annular movable plate, wherein an outer ring of the annular fixed plate is fixedly connected with the inner wall of the brine tank, an inner ring of the annular movable plate is sleeved on the main shaft, an inner ring of the annular fixed plate is abutted with the upper part of the outer ring of the annular movable plate, and the joint is inclined towards the bottom of the brine tank; the lower part of the outer ring of the annular movable plate is provided with an annular elastic screen; the annular movable plate is also provided with a control piece for controlling the annular movable plate to reciprocate along the vertical direction.
Preferably, the control member is a cylinder or an oil cylinder.
Preferably, the control member comprises an elastic member for connecting the annular movable plate and the top surface of the brine tank, a rack arranged on the annular movable plate, a first bevel gear arranged on the main shaft, a second bevel gear meshed with the first bevel gear, a rotating shaft for supporting the second bevel gear and a half-cycle gear sleeved on the rotating shaft, wherein the half-cycle gear comprises a smooth part and a gear part capable of being meshed with the rack.
Preferably, the liquid outlet is provided with a conductivity meter for detecting the salt concentration of the liquid outlet.
The invention has the beneficial effects that:
1. the device for producing the sodium hypochlorite is arranged on the engineering site, so that the sodium hypochlorite can be used in the prior art, the problems of chemical storage and transportation are solved, the device is nontoxic and harmless to the environment, secondary pollution is avoided, the operation is safe, and the operation cost is low.
2. The acid tank and the clean water tank are arranged for cleaning the electrolytic system after electrolysis, so that manual cleaning is not needed, and the service life of the electrolytic system can be prolonged.
Drawings
Fig. 1 is a schematic layout of a self-cleaning split sodium hypochlorite generator;
FIG. 2 is a schematic diagram of a self-cleaning split sodium hypochlorite generator;
In the figure: the device comprises a foundation 10, an electrolysis system 20, a salt bin 30, a clean water tank 40, a water pretreatment device 41, a salt water tank 50, a salt feeder 51, a main shaft 52, a stirring piece 53, an annular fixed plate 54, an annular movable plate 55, an annular elastic screen 56, a storage tank 60 and an acid tank 70.
Detailed Description
The following is a specific embodiment of the present invention, and the technical solution of the present invention is further described with reference to the accompanying drawings, but the present invention is not limited to these examples.
The self-cleaning split sodium hypochlorite generator is arranged on an engineering site and comprises an electrolysis system 20, a salt bin 30, a clean water tank 40, a salt water tank 50, a storage tank 60 and an acid tank 70 which are arranged on a foundation 10, wherein the salt water tank 50 is respectively connected with the salt bin 30, the clean water tank 40 and the electrolysis system 20, and the electrolysis system 20 is respectively connected with the storage tank 60, the clean water tank 40 and the acid tank 70.
When in use, the salt in the salt bin 30 and the water in the clear water tank 40 are sent into the salt water tank 50 to be mixed and stirred uniformly to obtain nearly saturated salt water, then the nearly saturated salt water and the clear water in the clear water tank 40 are proportioned again to be dilute salt water with the concentration of about 3%, the dilute salt water is sent into the electrolysis system 20 to be electrolyzed, and the sodium hypochlorite solution obtained by electrolysis is sent into the storage tank 60 to be stored for standby. In the electrolysis process, the cooling water is conveyed to the heat exchanger in the electrolysis system 20 through the clean water tank 40, and the electrolytic tank in the electrolysis system 20 is pickled and cleaned through the acid tank 70 and the clean water tank 40, so that the cleaning of the electrolysis system 20 is maintained, and the service life of the electrolysis system 20 is prolonged. The generation system is arranged on an engineering site, so that the on-site use of sodium hypochlorite solution can be realized, and the problems possibly occurring in the long-term transportation and storage process of sodium hypochlorite are avoided.
To mention the efficiency of the electrolysis of brine, the water for dissolving the brine may be primarily purified, so that the clean water tank 40 is connected to a water source through the pretreatment device 41 of water. Wherein, the pretreatment device 41 of water sequentially comprises a coagulation tank, a filtering tank and an ion exchange column to obtain purified water with less impurity content, so as to slow down the damage of impurities to the electrolysis system 20 when the salt water is electrolyzed later.
In addition, in order to ensure uniform mixing of brine, solid salt is preferably introduced into the brine tank 50 from the top of the brine tank 50, and thus the brine tank 50 is provided with a salt-bar feeder 51 to feed salt bar from a low place to a high place. The salt bar feeder 51 comprises a vertical lifting cylinder and a feeding hopper arranged at the lower part of the lifting cylinder, and a screw conveying part for conveying salt bar from the feeding hopper to the upper part of the salt water tank is arranged in the lifting cylinder. Since the lifting cylinder is arranged vertically, the floor space of the salt hopper 51 can be well saved. Meanwhile, the lifting cylinder is vertically arranged, so that the radius of the lifting cylinder is set narrower for ensuring the upward conveying effect, and a gap between a spiral conveying piece in the lifting cylinder and the cylinder wall is set smaller for preventing salt from falling back to the feed hopper under the action of gravity.
As shown in fig. 2, a salt-dropping assembly for slowing down the salt-dropping speed and a stirring assembly for accelerating the salt dissolution are sequentially arranged in the inner cavity of the salt-dropping tank 50 along the salt-dropping direction, wherein the top of the salt tank 50 for preparing the near-saturated salt water is provided with a salt inlet, the side of the salt tank is provided with a water inlet, and the bottom of the salt tank is provided with a liquid outlet.
Wherein, the stirring assembly includes a main shaft 52 arranged on the brine tank 50 and a stirring piece 53 arranged on the main shaft 52. The salt dropping assembly comprises an annular fixed plate 54 and an annular movable plate 55, wherein the outer ring of the annular fixed plate 54 is fixedly connected with the inner wall of the salt water tank 50, the inner ring of the annular movable plate 55 is sleeved on the main shaft 52, the inner ring of the annular fixed plate 54 is abutted with the upper part of the outer ring of the annular movable plate 55, and the joint is inclined towards the bottom of the salt water tank 50; the lower part of the outer ring of the annular movable plate 55 is provided with an annular elastic screen 56; the annular movable plate 55 is also provided with a control member for controlling the reciprocating movement of the annular movable plate in the vertical direction.
In use, salt particles entering from the salt inlet fall to the annular fixed plate 54 and slide down to the junction with the annular movable plate 55 under the action of the inclination of the salt particles. The opening between the annular fixed plate 54 and the annular movable plate 55 can be opened by driving the annular movable plate 55 to move downwards through the control member, salt particles fall to the annular elastic screen 56 through the opening, part of the salt particles fall to the lower part of the salt water tank 50 through the screen holes or through the free end of the annular elastic screen 56, are mixed with water entering from the water inlet and are dissolved under the action of the stirring piece 53, and part of the salt particles are trapped by the solid part of the annular elastic screen 56. Because the control member reciprocates, the control member drives the annular movable plate 55 to move upwards to close the opening between the annular fixed plate 54 and the annular movable plate 55, and meanwhile, the annular elastic screen 56 vibrates under the inertia effect, so that the trapped salt particles on the annular elastic screen vibrate below the salt water tank 50 in batches.
The mode is used for controlling the salt amount reaching the annular elastic screen 56 each time through the opening and closing opening, and controlling the salt amount falling below the salt water tank 50 each time through the vibrating annular elastic screen 56, so that the purpose of adding the salt amount a small amount and a plurality of times is achieved, the dissolution of salt is ensured, supersaturated salt water is prevented from being obtained, and the problem that a liquid outlet is blocked due to the crystallization of the supersaturated salt water is prevented.
The control member may be a cylinder or an oil cylinder, or may be a spindle 52 as in the present embodiment. In this embodiment, the control member includes an elastic member for connecting the annular movable plate 55 and the top surface of the brine tank 50, a rack disposed on the annular movable plate 55, a first bevel gear disposed on the main shaft 52, a second bevel gear engaged with the first bevel gear, a rotating shaft for supporting the second bevel gear, and a half-cycle gear sleeved on the rotating shaft, wherein the half-cycle gear includes a smooth portion and a gear portion capable of being engaged with the rack.
The main shaft 52 drives the half-circle gear to rotate around the horizontal shaft under the action of the first bevel gear and the second bevel gear when rotating around the vertical shaft, and the left rack is taken as an example, the half-circle gear rotates anticlockwise so that the gear part drives the rack to move downwards when approaching the rack, so that the annular movable plate 55 moves downwards; when the half-circle gear continues to rotate so that the smooth portion approaches the rack, the annular movable plate 55 moves upward in a rebound manner under the action of the elastic member.
In addition, in order to further prevent the formation of supersaturated salt solution, can set up the conductivity meter that is used for detecting liquid salt concentration of liquid out at the liquid outlet, can also set up transparent observation window at salt solution tank 50 lateral wall, the observation window can set up the scale that is used for instructing the water yield and is used for the control water yield, set up weight sensor simultaneously in annular fixed plate 54 below, and pass through electromagnet structure swing joint with annular fixed plate 54 and annular fly leaf 55, and weight sensor is connected with electromagnet structure and main shaft electricity, make when not reaching the settlement salt volume, electromagnet structure is with annular fixed plate 54 and annular fly leaf 55 fixed connection, fall salt subassembly and stirring subassembly all do not function, thereby be used for controlling the salt volume.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (5)
1. The utility model provides a self-cleaning split type sodium hypochlorite generator, sets up in the engineering scene, its characterized in that: the system comprises an electrolysis system (20), a salt bin (30), a clean water tank (40), a brine tank (50), a storage tank (60) and an acid tank (70) which are arranged on a foundation (10), wherein the brine tank (50) is respectively connected with the salt bin (30), the clean water tank (40) and the electrolysis system (20), and the electrolysis system (20) is respectively connected with the storage tank (60), the clean water tank (40) and the acid tank (70);
The top of the brine tank (50) is provided with a brine inlet, the side part of the brine tank is provided with a water inlet, the bottom of the brine tank is provided with a liquid outlet, and a brine falling component for slowing down the brine falling speed and a stirring component for accelerating the brine dissolution are sequentially arranged in the inner cavity of the brine tank (50) along the brine falling direction;
The stirring assembly comprises a main shaft (52) arranged on the brine tank (50) and a stirring piece (53) arranged on the main shaft (52);
The salt dropping assembly comprises an annular fixed plate (54) and an annular movable plate (55), wherein an outer ring of the annular fixed plate (54) is fixedly connected with the inner wall of the salt water tank (50), an inner ring of the annular movable plate (55) is sleeved on the main shaft (52), the inner ring of the annular fixed plate (54) is abutted with the upper part of the outer ring of the annular movable plate (55), and the joint is inclined towards the bottom of the salt water tank (50); an annular elastic screen (56) is arranged at the lower part of the outer ring of the annular movable plate (55); the annular movable plate (55) is also provided with a control piece for controlling the annular movable plate to reciprocate along the vertical direction;
The control part is an air cylinder or an oil cylinder;
Or the control piece comprises an elastic piece for connecting the annular movable plate (55) and the top surface of the brine tank (50), a rack arranged on the annular movable plate (55), a first bevel gear arranged on the main shaft (52), a second bevel gear meshed with the first bevel gear, a rotating shaft for supporting the second bevel gear and a half-cycle gear sleeved on the rotating shaft, wherein the half-cycle gear comprises a smooth part and a gear part capable of being meshed with the rack.
2. A self-cleaning split sodium hypochlorite generator according to claim 1, wherein: the clean water tank (40) is connected with a water source through a pretreatment device (41) of water.
3. A self-cleaning split sodium hypochlorite generator according to claim 1, wherein: the salt water tank (50) is provided with a salt bar feeder (51), and the salt bin (30) is connected with the salt bar feeder (51) through a conveying device.
4. A self-cleaning split sodium hypochlorite generator according to claim 2, wherein: the pretreatment device (41) of the water sequentially comprises a coagulation tank, a filtering tank and an ion exchange column.
5. A self-cleaning split sodium hypochlorite generator according to claim 1, wherein: the liquid outlet is provided with a conductivity meter for detecting the salt concentration of the liquid outlet.
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CN201910072569.1A CN109706471B (en) | 2019-01-25 | 2019-01-25 | Self-cleaning split sodium hypochlorite generator |
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CN201910072569.1A CN109706471B (en) | 2019-01-25 | 2019-01-25 | Self-cleaning split sodium hypochlorite generator |
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CN109706471A CN109706471A (en) | 2019-05-03 |
CN109706471B true CN109706471B (en) | 2024-05-14 |
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JP2011056452A (en) * | 2009-09-11 | 2011-03-24 | Daiki Ataka Engineering Co Ltd | Method and apparatus for disinfecting tap water |
CN102888623A (en) * | 2012-09-12 | 2013-01-23 | 永康市研坤工贸有限公司 | Generating system of electrolytic sodium hypochlorite |
CN205472645U (en) * | 2016-03-04 | 2016-08-17 | 重庆合弘欣环保科技有限公司 | Online production sodium hypochlorite's disinfection system |
CN109055967A (en) * | 2018-11-12 | 2018-12-21 | 福建浩达智能科技股份有限公司 | Pickling formula integration hypochlorite generator |
CN209957904U (en) * | 2019-01-25 | 2020-01-17 | 福建浩达智能科技股份有限公司 | Self-cleaning split type sodium hypochlorite generator |
-
2019
- 2019-01-25 CN CN201910072569.1A patent/CN109706471B/en active Active
Patent Citations (6)
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JP2009022868A (en) * | 2007-07-19 | 2009-02-05 | Miura Co Ltd | Method and apparatus for detecting abnormality in electrolytic treatment, and water treatment system |
JP2011056452A (en) * | 2009-09-11 | 2011-03-24 | Daiki Ataka Engineering Co Ltd | Method and apparatus for disinfecting tap water |
CN102888623A (en) * | 2012-09-12 | 2013-01-23 | 永康市研坤工贸有限公司 | Generating system of electrolytic sodium hypochlorite |
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