CN115571999A - Flocculation-adsorption integrated seawater purification synchronous boron removal equipment - Google Patents
Flocculation-adsorption integrated seawater purification synchronous boron removal equipment Download PDFInfo
- Publication number
- CN115571999A CN115571999A CN202211084934.9A CN202211084934A CN115571999A CN 115571999 A CN115571999 A CN 115571999A CN 202211084934 A CN202211084934 A CN 202211084934A CN 115571999 A CN115571999 A CN 115571999A
- Authority
- CN
- China
- Prior art keywords
- pipe
- water inlet
- mud
- flocculation
- magnesium hydroxide
- 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
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/108—Boron compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/001—Upstream control, i.e. monitoring for predictive control
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/11—Turbidity
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention relates to the technical field of seawater purification, in particular to flocculation-adsorption integrated seawater purification synchronous boron removal equipment. The invention aims to provide a flocculation-adsorption integrated seawater purification synchronous boron removal device which is low in cost, easily available in raw materials and capable of reducing boron content so as to reduce the subsequent reverse osmosis treatment cost.
Description
Technical Field
The invention relates to the technical field of seawater purification, in particular to flocculation-adsorption integrated seawater purification synchronous boron removal equipment.
Background
The shortage of fresh water resources is global, and by 2025, the population facing the water shortage problem will reach 2/3 of the total population. As a technology for ensuring the sustainable utilization of water resources, the seawater desalination has the advantages of strong stability, good effluent quality and the like. The use of desalinated seawater in industrial and agricultural production, and human daily life, has become an inevitable trend.
The existing seawater desalination technology still has a plurality of difficulties, and boron removal is one of the difficulties. Common seawater boron removal technologies include reverse osmosis, extraction, ion exchange, adsorption, electrodialysis, and the like. For seawater desalination, the ion removal rate of the reverse osmosis method can exceed 99 percent; the defects are that the treatment capacity of the system for removing boron from seawater is still to be improved, the removal rate of boron ions is low, the treatment capacity of the system for removing boron from the seawater is not strong, and the system is difficult to treat the non-ionic boric acid at one time to reach the boron content standard of the drinking water, so that a bipolar or even multistage system is applied to the seawater boron removal. The use of a multi-stage system inevitably leads to increased costs and wasted energy.
Disclosure of Invention
The invention aims to solve the technical problem of providing the flocculation-adsorption integrated seawater purification synchronous boron removal equipment which has low cost and easily obtained raw materials and can reduce the boron content so as to reduce the subsequent reverse osmosis treatment cost.
In order to solve the technical problem, the application provides the following technical scheme:
the invention discloses flocculation-adsorption integrated seawater purification synchronous boron removal equipment which comprises a reaction tank, a sedimentation region, a water outlet pipe, a sludge discharge device and a magnesium hydroxide recovery device, wherein one end of the reaction tank is connected with seawater to be purified, a flocculating agent, a seawater purifying agent and magnesium hydroxide are added into the seawater to be purified, the other end of the reaction tank is connected with the sedimentation region, a switch valve is arranged between the reaction tank and the sedimentation region, the water outlet pipe and the sludge discharge device are both connected with the sedimentation region, the water outlet pipe is used for discharging water purified by the sedimentation region, the sludge discharge device is used for discharging slurry precipitated by the sedimentation region, and the magnesium hydroxide recovery device is connected with the sludge discharge device.
The flocculation-adsorption integrated seawater purification synchronous boron removal equipment also comprises a water inlet pool, seawater to be purified is contained in the water inlet pool, the reaction pool is contained in the water inlet pool, a guide pipe, a guide cylinder and a horn mouth are arranged in the reaction pool, a backflow port is arranged at the bottom of the reaction pool, one end of the guide pipe is arranged at the backflow port, the other end of the guide pipe is communicated with the guide cylinder, and the horn mouth is connected to the bottom of the guide cylinder.
The invention relates to flocculation-adsorption integrated seawater purification synchronous boron removal equipment, which further comprises a water inlet pipe, a flocculant adding device, a coagulant aid adding device, a sodium hydroxide adding device and a magnesium hydroxide adding device, wherein one end of the water inlet pipe is connected with seawater to be purified, the other end of the water inlet pipe is connected with a water inlet pool, the flocculant adding device, the coagulant aid adding device, the sodium hydroxide adding device and the magnesium hydroxide adding device are all connected with the water inlet pipe, the flocculant adding device is used for adding a flocculant into the water inlet pipe, the coagulant aid adding device is used for adding a coagulant aid into the water inlet pipe, the sodium hydroxide adding device is used for adding sodium hydroxide into the water inlet pipe, and the magnesium hydroxide adding device is used for adding magnesium hydroxide into the water inlet pipe.
The invention relates to flocculation-adsorption integrated seawater purification synchronous boron removal equipment, wherein a mudguard is arranged on the inner wall of a settling zone close to the top, and the mudguard is positioned below a water outlet pipe.
The flocculation-adsorption integrated seawater purification synchronous boron removal equipment further comprises a controller, a chlorophyll a online monitoring unit and a turbidity online monitoring unit, wherein the chlorophyll a online monitoring unit and the turbidity online monitoring unit are arranged at the water inlet end of the water inlet pipe, the flocculant adding device comprises a first solution tank, a first control valve, a first dosing pump and a first dosing pipe, the first solution tank is used for containing a flocculant, the first solution tank is connected with the water inlet pipe through the first dosing pipe, the first control valve and the first dosing pump are arranged on the first dosing pipe, the coagulant aid adding device comprises a second solution tank, a second control valve, a second dosing pump and a second dosing pipe, the second solution tank is used for containing a coagulant aid, the second solution tank is connected with the water inlet pipe through the second dosing pipe, the second control valve and the second dosing pump are arranged on the second dosing pipe, the sodium hydroxide adding device comprises a third storage, a third control valve, a third dosing pump and a third dosing pipeline, the third dosing pump is connected with the third dosing pipe, and the third dosing pipeline is used for containing a sodium hydroxide, and the dosing pipeline is connected with the third dosing pipe; the magnesium hydroxide adding device comprises a fourth storage, a fourth control valve, a fourth feeding pump and a fourth feeding pipeline, wherein the fourth storage is used for containing magnesium hydroxide, the fourth storage is connected with the water inlet pipe through the fourth feeding pipeline, the fourth control valve and the fourth feeding pump are arranged on the fourth feeding pipeline, the chlorophyll a online monitoring unit and the turbidity online monitoring unit are connected with the input end of the controller, and the output end of the controller is connected with the first control valve, the second control valve, the third control valve and the fourth control valve.
The flocculation-adsorption integrated seawater purification synchronous boron removal equipment further comprises a static mixer, wherein the static mixer is arranged on the water inlet pipe, the joints of the first dosing pipe, the third dosing pipe and the fourth dosing pipe with the water inlet pipe are located at the front end of the static mixer, and the joint of the second dosing pipe with the water inlet pipe is located between the static mixer and the water inlet tank.
The flocculation-adsorption integrated seawater purification synchronous boron removal equipment further comprises a first stirring device and a second stirring device, wherein the first stirring device is arranged in the water inlet pool, and the second stirring device is arranged in the reaction pool.
The flocculation-adsorption integrated seawater purification synchronous boron removal equipment also comprises a mud scraping device, wherein the mud scraping device comprises a mud scraping plate and a mud scraping driving motor, the mud scraping plate is arranged at the bottom of the settling zone and is driven by the mud scraping driving motor, the bottom of the mud scraping plate is conical, and the position, corresponding to the mud scraping plate, of the bottom of the settling zone is conical.
The flocculation-adsorption integrated seawater purification synchronous boron removal equipment comprises a sludge discharge pipe, a sludge discharge valve, a sludge discharge pump, a sludge-water separation device and a supernatant return pipe, wherein the sludge discharge pipe is connected to the bottom of a settling zone, the sludge discharge valve, the sludge discharge pump and the sludge-water separation device are sequentially arranged on the sludge discharge pipe, and the supernatant return pipe is connected with a water outlet of the sludge-water separation device.
The flocculation-adsorption integrated seawater purification synchronous boron removal equipment comprises a magnesium hydroxide return pipe and an alkaline washing device, wherein one end of the magnesium hydroxide return pipe is connected with a mud outlet of the mud-water separation device, the other end of the magnesium hydroxide return pipe is connected with the fourth storage device, and the alkaline washing device is arranged on the magnesium hydroxide return pipe.
Compared with the prior art, the flocculation-adsorption integrated seawater purification synchronous boron removal equipment has at least the following beneficial effects:
the flocculation-adsorption integrated seawater purification synchronous boron removal equipment comprises a reaction tank, a settling zone, a water outlet pipe, a sludge discharge device and a magnesium hydroxide recovery device, wherein one end of the reaction tank is connected with seawater to be purified, a flocculating agent, a seawater purifying agent and magnesium hydroxide are added into the seawater to be purified, the magnesium hydroxide has good adsorption to boron, and in the seawater desalination pretreatment stage, part of boron is removed by using the magnesium hydroxide, so that the boron content can be reduced while turbidity is removed, the cost is reduced for subsequent reverse osmosis treatment, the condition of using a multistage system is reduced, the magnesium hydroxide can be recovered and reused, the cost is low, and the raw materials are easy to obtain.
The flocculation-adsorption integrated seawater purification synchronous boron removal equipment is further described by combining the attached drawing.
Drawings
FIG. 1 is a schematic structural diagram of the flocculation-adsorption integrated seawater purification synchronous boron removal equipment.
Detailed Description
As shown in fig. 1, the flocculation-adsorption integrated seawater purification synchronous boron removal equipment comprises a reaction tank 2, a settling zone 3, a water outlet pipe 28, a sludge discharge device and a magnesium hydroxide recovery device, wherein one end of the reaction tank 2 is connected with seawater to be purified, a flocculating agent, a seawater purifying agent and magnesium hydroxide are added into the seawater to be purified, the other end of the reaction tank 2 is connected with the settling zone 3, a switch valve 25 is arranged between the reaction tank 2 and the settling zone 3, the water outlet pipe 28 and the sludge discharge device are both connected with the settling zone 3, the water outlet pipe 28 is used for discharging water purified by the settling zone 3, the sludge discharge device is used for discharging slurry precipitated by the settling zone 3, and the magnesium hydroxide recovery device is connected with the sludge discharge device. Proper amounts of flocculant, purifying agent and magnesium hydroxide are added into seawater to be purified, the flocculant, the purifying agent and the magnesium hydroxide in the reaction tank 2 fully react with the seawater and then enter a settling zone 3, sludge particles gradually grow in the settling zone 3 and fall into the bottom of a settling tank 4 after settling, clear water at the top is discharged through a water outlet pipe 28, mud at the bottom is discharged through a mud discharge device, and the magnesium hydroxide in the mud is recycled and reused through a magnesium hydroxide recovery device. The flocculation-adsorption integrated seawater purification synchronous boron removal equipment comprises a reaction tank 2, a settling zone 3, a water outlet pipe 28, a sludge discharge device and a magnesium hydroxide recovery device, wherein one end of the reaction tank 2 is connected with seawater to be purified, a flocculating agent, a seawater purifying agent and magnesium hydroxide are added into the seawater to be purified, the magnesium hydroxide has good adsorption to boron, partial boron is removed by using the magnesium hydroxide in a seawater desalination pretreatment stage, the boron content can be reduced while turbidity is removed, the cost is reduced for subsequent reverse osmosis treatment, the condition of using a multi-stage system is reduced, the magnesium hydroxide can be recovered and reused, the cost is low, and raw materials are easy to obtain.
Specifically, outlet pipe 28 sets up in the position department that the outer wall of settling zone 3 is close to the top, arrange the mud device and connect in the bottom of settling zone 3, exhaust hole 5 has been seted up at settling zone 3 top, 3 inner walls of settling zone are close to top department and are provided with fender 8, fender 8 is located outlet pipe 28 below, specifically, 3 outer walls of settling zone are provided with overflow weir 9, outlet pipe 28 sets up on overflow weir 9, overflow weir 9 is for holding the structure of the sea water that overflows in settling zone 3, the effect that makes the sea water evenly spill over has, fender 8's setting, can prevent that mud from flowing out through outlet pipe 18.
Optionally, still include intake pool 1, hold in intake pool 1 and remain to purify the sea water, reaction tank 2 holds in intake pool 1, is provided with honeycomb duct 21, draft tube 22, bellmouth 23 in the reaction tank 2, and 2 bottoms in reaction tank set up the mouth of flowing backwards, and ooff valve 25 is the gate valve, and honeycomb duct 21 one end sets up in the mouth of flowing backwards department, the other end and draft tube 22 intercommunication, and bellmouth 23 is connected in draft tube 22 bottom. Seawater in the water inlet pool 1 enters the guide shell 22 from the guide pipe 21, finally flows out of the bell mouth 23 into the reaction pool 2, and enters the sedimentation zone 3 through the switch valve 25, and the guide pipe 21, the guide shell 22 and the bell mouth 23 simultaneously have the function of blocking sundries.
Optionally, the seawater desalination device further comprises a water inlet pipe 10, a flocculating agent adding device 13, a coagulant aid adding device 14, a sodium hydroxide adding device 15 and a magnesium hydroxide adding device 16, one end of the water inlet pipe 10 is connected with seawater to be purified, the other end of the water inlet pipe 10 is connected with the water inlet tank 1, the flocculating agent adding device 13, the coagulant aid adding device 14, the sodium hydroxide adding device 15 and the magnesium hydroxide adding device 16 are connected with the water inlet pipe 10, the flocculating agent adding device 13 is used for adding a flocculating agent into the water inlet pipe 10, the coagulant aid adding device 14 is used for adding a coagulant aid into the water inlet pipe 10, the sodium hydroxide adding device 15 is used for adding sodium hydroxide into the water inlet pipe 10, the magnesium hydroxide adding device 16 is used for adding magnesium hydroxide into the water inlet pipe 10, the flocculating agent added by the flocculating agent adding device 13 is FeCl 3 The coagulant aid added by the coagulant aid adding device 14 is Polyacrylamide (PAM)。
Optionally, the system further comprises a controller 18, an online chlorophyll a monitoring unit 11, an online turbidity monitoring unit 12, the online chlorophyll a monitoring unit 11 and the online turbidity monitoring unit 12 are both disposed at a water inlet end of the water inlet pipe 10, the flocculant adding device 13 comprises a first solution tank 131, a first control valve 132, a first dosing pump 133 and a first dosing pipe 134, the first solution tank 131 is used for containing a flocculant, the first solution tank 131 is connected to the water inlet pipe 10 through the first dosing pipe 134, the first control valve 132 and the first dosing pump 133 are disposed on the first dosing pipe 134, the coagulant aid adding device 14 comprises a second solution tank 141, a second control valve 142, a second dosing pump 143 and a second dosing pipe 144, the second solution tank 141 is used for containing a coagulant aid, the second solution tank 141 is connected to the water inlet pipe 10 through the second dosing pipe 144, the second control valve 142 and the second dosing pump 143 are disposed on the second dosing pipe 144, the sodium hydroxide adding device 15 comprises a third storage 151, a third control valve 152, a third dosing pump 153, a third dosing pipe 153 and a third dosing pipe 154, the sodium hydroxide adding pipeline 151 is disposed on the water inlet pipe 154; the magnesium hydroxide adding device 16 comprises a fourth storage 161, a fourth control valve 162, a fourth adding pump 163 and a fourth adding pipeline 164, the fourth storage 161 is used for containing magnesium hydroxide, the fourth storage 161 is connected with the water inlet pipe 10 through the fourth adding pipeline 164, the fourth control valve 162 and the fourth adding pump 163 are both arranged on the fourth adding pipeline 164, the chlorophyll a online monitoring unit 11 and the turbidity online monitoring unit 12 are connected with the input end of the controller 18, and the output end of the controller 18 is connected with the first control valve 132, the second control valve 142, the third control valve 152 and the fourth control valve 162. When the seawater to be treated passes through the chlorophyll a online monitoring unit 11 and the turbidity online monitoring unit 12, the algae content and turbidity value in the seawater to be treated are fed back to the controller 18, and the controller 18 controls the first control valve 132, the second control valve 142, the third control valve 152 and the fourth control valve 162 according to the algae content and turbidity value, so as to add the flocculating agent, the coagulant aid, the sodium hydroxide and the magnesium hydroxide with appropriate concentrations into the water inlet pipe 10. Due to the arrangement of the controller 18, the chlorophyll a online monitoring unit 11 and the turbidity online monitoring unit 12, the flocculation-adsorption integrated seawater purification synchronous boron removal equipment can adapt to the large change of water quality load.
Optionally, the device further comprises a static mixer 17, the static mixer 17 is arranged on the water inlet pipe 10, the joints of the first dosing pipe 134, the third dosing pipe 154, the fourth dosing pipe 164 and the water inlet pipe 10 are located at the front end of the static mixer 17, the joint of the second dosing pipe 144 and the water inlet pipe 10 is located between the static mixer 17 and the water inlet tank 1, and after the flocculant, the sodium hydroxide and the magnesium hydroxide are mixed by the static mixer 17, a coagulant aid such as Polyacrylamide (PAM) is added, so that the flocculant can be better coagulated into large flocs, and the sedimentation is facilitated.
Optionally, the seawater desalination device further comprises a first stirring device and a second stirring device, wherein the first stirring device is arranged in the water inlet tank 1 and used for stirring seawater in the water inlet tank 1, the second stirring device is arranged in the draft tube 22 in the reaction tank 2 and used for stirring seawater in the reaction tank 2. The first stirring device and the second stirring device are identical in structure, wherein the first stirring device comprises a stirring driving motor 6, a stirring shaft 26 and a stirrer body 7, the stirring shaft 26 is arranged on the stirrer body 7, and the stirring shaft 26 is driven to rotate by the stirring motor 6. In the guide shell 22 of the reaction tank 2, the seawater continuously rises and is fully mixed under the stirring of the second stirring device.
Optionally, the device further comprises a mud scraping device 4, the mud scraping device 4 comprises a mud scraping plate 41 and a mud scraping driving motor 42, the mud scraping plate 41 is arranged at the bottom of the settling zone 3, the mud scraping plate 41 is driven by the mud scraping driving motor 42, the bottom of the mud scraping plate 41 is conical, and the bottom of the settling zone 3 is conical at a position corresponding to the mud scraping plate 41. The seawater that gets into settling zone 3, through the sediment of short time, mud granule grow gradually, fall into the bottom of the pool after the sediment, and the magnesium hydrate floc of the absorption borate that contains sinks to the bottom of the pool, through 4 flow direction mud discharging device of mud scraping device to realize mud discharge and backward flow.
Optionally, the sludge discharging device comprises a sludge discharging pipe 24, a sludge discharging valve 19, a sludge discharging pump 20, a sludge-water separating device 21 and a supernatant liquid return pipe 22, the sludge discharging pipe 24 is connected to the bottom of the settling area 3, the sludge discharging valve 19, the sludge discharging pump 20 and the sludge-water separating device 21 are sequentially arranged on the sludge discharging pipe 24, and the supernatant liquid return pipe 22 is connected to the water outlet of the sludge-water separating device 21. The sludge at the bottom of the settling zone 3 is lifted by a sludge pump 20 into a sludge-water separation device 21 under the regulation of a sludge discharge valve 19, and the water separated by the sludge-water separation device 21 flows back to the raw water through a supernatant return pipe 22.
Optionally, the magnesium hydroxide recycling device comprises a magnesium hydroxide reflux pipe 23 and an alkaline washing device 27, one end of the magnesium hydroxide reflux pipe 23 is connected to the sludge outlet of the sludge-water separation device 21, the other end of the magnesium hydroxide reflux pipe is connected to the fourth storage 161, and the alkaline washing device 27 is disposed on the magnesium hydroxide reflux pipe 23. The sludge separated by the mud-water separation device 21 enters the alkaline washing device 27 through the magnesium hydroxide return pipe 23, magnesium hydroxide floc in the sludge is washed by the alkaline washing device 27 to become magnesium hydroxide, and the magnesium hydroxide is returned to the fourth storage 161 through the magnesium hydroxide return pipe 23 for recycling. Specifically, magnesium hydroxide (Mg (OH) 2 ) The adsorption capacity of the adsorbent on the boron in the seawater is influenced by the pH value of the seawater, the boron absorption capacity of the magnesium hydroxide is reduced along with the increase of the pH value of the seawater, the lower the pH value is, the larger the boron absorption amount is, and the pH value of the magnesium hydroxide floc in the sludge is increased through the alkaline washing device 27, so that the boron in the sludge is desorbed and removed.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (10)
1. The utility model provides a flocculation-absorption integral type sea water purifies equipment of taking off boron in step, its characterized in that, includes reaction tank (2), settling zone (3), outlet pipe (28), row's mud device, magnesium hydrate recovery unit, reaction tank (2) one end is connected and is treated the sea water of purifying, it has flocculating agent, sea water purifying agent and magnesium hydrate to add in the sea water of purifying, reaction tank (2) other end is connected settling zone (3), reaction tank (2) with be provided with ooff valve (25) between settling zone (3), outlet pipe (28) arrange the mud device all with settling zone (3) are connected, outlet pipe (28) are used for discharging the warp water after settling zone (3) purifies, it is used for discharging to arrange the mud device mud after settling zone (3) deposit, magnesium hydrate recovery unit connects arrange the mud device.
2. The flocculation-adsorption integrated seawater purification synchronous boron removal equipment as claimed in claim 1, further comprising a water inlet tank (1), wherein seawater to be purified is contained in the water inlet tank (1), the reaction tank (2) is contained in the water inlet tank (1), a guide pipe (21), a guide cylinder (22) and a bell mouth (23) are arranged in the reaction tank (2), a backflow port is arranged at the bottom of the reaction tank (2), one end of the guide pipe (21) is arranged at the backflow port, the other end of the guide pipe is communicated with the guide cylinder (22), and the bell mouth (23) is connected to the bottom of the guide cylinder (22).
3. The flocculation-adsorption integrated seawater purification synchronous boron removal equipment as claimed in claim 2, further comprising a water inlet pipe (10), a flocculant adding device (13), a coagulant aid adding device (14), a sodium hydroxide adding device (15) and a magnesium hydroxide adding device (16), wherein one end of the water inlet pipe (10) is connected with seawater to be purified, the other end of the water inlet pipe (10) is connected with the water inlet pool (1), the flocculant adding device (13), the coagulant aid adding device (14), the sodium hydroxide adding device (15) and the magnesium hydroxide adding device (16) are both connected with the water inlet pipe (10), the flocculant adding device (13) is used for adding a flocculant into the water inlet pipe (10), the coagulant aid adding device (14) is used for adding a coagulant aid into the water inlet pipe (10), the sodium hydroxide adding device (15) is used for adding sodium hydroxide into the water inlet pipe (10), and the magnesium hydroxide adding device (16) is used for adding magnesium hydroxide into the water inlet pipe (10).
4. A flocculation-adsorption integrated seawater purification synchronous boron removal equipment according to claim 3, wherein a mudguard (8) is arranged on the inner wall of the settling zone (3) near the top, and the mudguard (8) is positioned below the water outlet pipe (28).
5. The flocculation-adsorption integrated seawater purification synchronous boron removal equipment according to claim 4, further comprising a controller (18), an on-line chlorophyll-a monitoring unit (11) and an on-line turbidity monitoring unit (12), wherein the on-line chlorophyll-a monitoring unit (11) and the on-line turbidity monitoring unit (12) are both arranged at the water inlet end of the water inlet pipe (10), the flocculant adding device (13) comprises a first solution tank (131), a first control valve (132), a first dosing pump (133) and a first dosing pipe (134), the first solution tank (131) is used for containing a flocculant, the first solution tank (131) is connected with the water inlet pipe (10) through the first dosing pipe (134), the first control valve (132) and the first dosing pump (133) are arranged on the first dosing pipe (134), the coagulant adding device (14) comprises a second solution tank (141), a second control valve (142), a second dosing pump (143) and a second dosing pipe (144), the second solution tank (141) is used for containing a second coagulant, the second dosing pump (141) is connected with the second dosing pipe (144), the sodium hydroxide adding device (15) comprises a third storage tank (151), a third control valve (152), a third feeding pump (153) and a third feeding pipeline (154), the third storage tank (151) is used for containing sodium hydroxide, the third storage tank (151) is connected with the water inlet pipe (10) through the third feeding pipeline (154), the third control valve (152) and the third feeding pump (153) are both arranged on the third feeding pipeline (154), the magnesium hydroxide adding device (16) comprises a fourth storage tank (161), a fourth control valve (162), a fourth feeding pump (163) and a fourth feeding pipeline (164), the fourth storage (161) is used for containing magnesium hydroxide, the fourth storage (161) is connected with the water inlet pipe (10) through the fourth feeding pipeline (164), the fourth control valve (162) and the fourth feeding pump (163) are arranged on the fourth feeding pipeline (164), the chlorophyll a online monitoring unit (11) and the turbidity online monitoring unit (12) are connected with the input end of the controller (18), the output end of the controller (18) is connected with the first control valve (132), the second control valve (142), the third control valve (152) and the fourth control valve (162).
6. The flocculation-adsorption integrated seawater purification synchronous boron removal equipment according to claim 5, further comprising a static mixer (17), wherein the static mixer (17) is arranged on the water inlet pipe (10), the joints of the first dosing pipe (134), the third dosing pipeline (154), the fourth dosing pipeline (164) and the water inlet pipe (10) are located at the front end of the static mixer (17), and the joint of the second dosing pipe (144) and the water inlet pipe (10) is located between the static mixer (17) and the water inlet tank (1).
7. The flocculation-adsorption integrated seawater purification synchronous boron removal equipment as claimed in claim 6, further comprising a first stirring device (71) and a second stirring device (72), wherein the first stirring device (71) is arranged in the water inlet tank (1), and the second stirring device (72) is arranged in the reaction tank (2).
8. The flocculation-adsorption integrated seawater purification synchronous boron removal equipment as claimed in claim 7, further comprising a mud scraping device (4), wherein the mud scraping device (4) comprises a mud scraping plate (41) and a mud scraping driving motor (42), the mud scraping plate (41) is arranged at the bottom of the settling zone (3), the mud scraping plate (41) is driven by the mud scraping driving motor (42), the bottom of the mud scraping plate (41) is conical, and the bottom of the settling zone (3) is conical at a position corresponding to the mud scraping plate (41).
9. The flocculation-adsorption integrated seawater purification synchronous boron removal equipment as claimed in claim 8, wherein the sludge discharge device comprises a sludge discharge pipe (24), a sludge discharge valve (19), a sludge discharge pump (20), a mud-water separation device (21) and a supernatant return pipe (22), the sludge discharge pipe (24) is connected to the bottom of the settling zone (3), the sludge discharge valve (19), the sludge discharge pump (20) and the mud-water separation device (21) are sequentially arranged on the sludge discharge pipe (24), and the supernatant return pipe (22) is connected with a water outlet of the mud-water separation device (21).
10. The flocculation-adsorption integrated seawater purification synchronous boron removal equipment as claimed in claim 9, wherein the magnesium hydroxide recovery device comprises a magnesium hydroxide return pipe (23) and an alkaline washing device (27), one end of the magnesium hydroxide return pipe (23) is connected with a mud outlet of the mud-water separation device (21), the other end of the magnesium hydroxide return pipe is connected with the fourth storage device (161), and the alkaline washing device (27) is arranged on the magnesium hydroxide return pipe (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211084934.9A CN115571999A (en) | 2022-09-06 | 2022-09-06 | Flocculation-adsorption integrated seawater purification synchronous boron removal equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211084934.9A CN115571999A (en) | 2022-09-06 | 2022-09-06 | Flocculation-adsorption integrated seawater purification synchronous boron removal equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115571999A true CN115571999A (en) | 2023-01-06 |
Family
ID=84580467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211084934.9A Pending CN115571999A (en) | 2022-09-06 | 2022-09-06 | Flocculation-adsorption integrated seawater purification synchronous boron removal equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115571999A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1982230A (en) * | 2005-12-13 | 2007-06-20 | 天津科技大学 | Method for removing cloud point of sea water drasticlly and producing acid waste-water neutralizer |
| CN101323489A (en) * | 2007-06-13 | 2008-12-17 | 天津科技大学 | Sea water advanced pretreatment apparatus |
| CN102491379A (en) * | 2011-12-10 | 2012-06-13 | 中南大学 | Method for preparing high-purity magnesium oxide with high boron salt lake brine |
| JP2013203642A (en) * | 2012-03-29 | 2013-10-07 | Solt Industry Center Of Japan | Method for recovering boron |
| CN205933447U (en) * | 2016-03-31 | 2017-02-08 | 广州市水电建设工程有限公司 | Seawater desalination pretreatment systems |
-
2022
- 2022-09-06 CN CN202211084934.9A patent/CN115571999A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1982230A (en) * | 2005-12-13 | 2007-06-20 | 天津科技大学 | Method for removing cloud point of sea water drasticlly and producing acid waste-water neutralizer |
| CN101323489A (en) * | 2007-06-13 | 2008-12-17 | 天津科技大学 | Sea water advanced pretreatment apparatus |
| CN102491379A (en) * | 2011-12-10 | 2012-06-13 | 中南大学 | Method for preparing high-purity magnesium oxide with high boron salt lake brine |
| JP2013203642A (en) * | 2012-03-29 | 2013-10-07 | Solt Industry Center Of Japan | Method for recovering boron |
| CN205933447U (en) * | 2016-03-31 | 2017-02-08 | 广州市水电建设工程有限公司 | Seawater desalination pretreatment systems |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101269903B (en) | Further advanced treatment technique and apparatus for sewage water of oil refining | |
| CN109851139B (en) | High-salt wastewater softening and concentrating device and method | |
| CN106517585A (en) | Method for staged removal of thallium from high thallium wastewater | |
| CN204185333U (en) | Integration advanced treatment system | |
| CN207713466U (en) | A kind of electric flocculation high dense settling pond | |
| CN210528699U (en) | Landfill leachate treatment system with biochemical effluent softening function | |
| CN111392984A (en) | Advanced treatment system and method for supplementing water by using urban reclaimed water as circulating water of power plant | |
| CN114940561A (en) | Oil sludge treatment waste liquid treatment system | |
| CN101708927B (en) | Method for deeply processing waste water from paper making | |
| CN106495355A (en) | A kind of electroplating wastewater treatment reclaiming technique and combinations thereof device | |
| CN210945110U (en) | Landfill leachate treatment system | |
| CN210855500U (en) | Sewage treatment and recycling system | |
| CN211111522U (en) | Aquaculture water treatment facilities | |
| CN215559437U (en) | Wastewater treatment system | |
| CN111233208A (en) | Desulfurization waste water resource recovery system | |
| CN215559636U (en) | Wastewater treatment system | |
| CN110143696A (en) | A kind of waste water treatment system | |
| CN115974311A (en) | Treatment method of coal gasification wastewater | |
| CN215559531U (en) | Intelligent continuous high-efficiency hard-removing and silicon-removing reactor treatment system | |
| CN214528464U (en) | Recycling system of coal chemical industry circulating sewage | |
| CN214088061U (en) | Zinc-containing wastewater recycling treatment system | |
| CN115571999A (en) | Flocculation-adsorption integrated seawater purification synchronous boron removal equipment | |
| CN212102493U (en) | Advanced treatment system for supplementing water by using urban reclaimed water as circulating water of power plant | |
| CN211896410U (en) | Desulfurization waste water resource recovery system | |
| CN210915681U (en) | High-salt and high-organic-matter wastewater treatment system |
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 |