CN112979046B - Membrane concentrated solution treatment system and production process thereof - Google Patents
Membrane concentrated solution treatment system and production process thereof Download PDFInfo
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- CN112979046B CN112979046B CN202110306153.9A CN202110306153A CN112979046B CN 112979046 B CN112979046 B CN 112979046B CN 202110306153 A CN202110306153 A CN 202110306153A CN 112979046 B CN112979046 B CN 112979046B
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- 239000012528 membrane Substances 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 title description 5
- 238000002156 mixing Methods 0.000 claims abstract description 68
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000003756 stirring Methods 0.000 claims abstract description 30
- 239000002184 metal Substances 0.000 claims abstract description 24
- 229910052751 metal Inorganic materials 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 150000003839 salts Chemical class 0.000 claims abstract description 10
- 239000012535 impurity Substances 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 15
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 12
- 238000001802 infusion Methods 0.000 claims description 12
- 239000012141 concentrate Substances 0.000 claims description 8
- 229910052739 hydrogen Inorganic materials 0.000 claims description 8
- 239000001257 hydrogen Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 7
- 239000011790 ferrous sulphate Substances 0.000 claims description 7
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 7
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- 150000002431 hydrogen Chemical class 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000001376 precipitating effect Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims description 3
- 239000000243 solution Substances 0.000 description 30
- 239000002699 waste material Substances 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 6
- 229910017053 inorganic salt Inorganic materials 0.000 description 6
- 239000002351 wastewater Substances 0.000 description 6
- 230000015271 coagulation Effects 0.000 description 5
- 238000005345 coagulation Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000000701 coagulant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000897 Babbitt (metal) Inorganic materials 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- -1 ferrous metals Chemical class 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 159000000014 iron salts Chemical class 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
- C02F1/484—Treatment of water, waste water, or sewage with magnetic or electric fields using electromagnets
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a membrane concentrated solution treatment system, which comprises a mixing tank and a stirring shaft, wherein a lifting device is fixedly arranged in the stirring shaft, two ends of the lifting device are arranged outside the stirring shaft, the upper end of the lifting device is connected with a feeding device, a discharge port of the feeding device is connected with a mixing device, and the other side of the mixing device is connected with a liquid storage tank; the lower end of the lifting device is arranged at the bottom of the mixing tank and used for extracting metal impurities in the mixing tank, the mixing device is used for mixing and reacting the metal impurities and dilute sulfuric acid to generate inorganic salts, and injecting the inorganic salts into the mixing tank, so that resources can be greatly saved, and the treatment efficiency of the concentrated solution can be improved.
Description
Technical Field
The invention relates to the technical field of waste liquid treatment, in particular to a membrane concentration treatment system and a production process thereof.
Background
The membrane treatment technology is mainly used for separating sewage and wastewater, the wastewater is separated into water and waste after the sewage is subjected to membrane treatment, and the waste is subjected to evaporation and other modes to remove residual water, so that solid waste is finally formed.
In modern production and living, industrial wastewater, particularly cooling liquid wastewater generated in the metal processing industry, usually contains a large amount of ferrous metals and organic matters, waste generated after membrane treatment of the wastewater forms a concentrated solution similar to slurry, and the treatment mode of the concentrated solution is a coagulation treatment method, namely iron salts (ferrous sulfate, ferric trichloride and the like) are added into the wastewater to enable colloidal particle substances in the wastewater to be coagulated and flocculated and separated, and factors influencing the coagulation effect include water temperature, pH value, turbidity, hardness, the dosage of a coagulant and the like.
The existing coagulation treatment method usually needs to add independently prepared ferric salt, the cost is higher, in the coagulation process, the hydrolysis of a salt coagulant is an endothermic reaction, the hydrolysis is difficult when the water temperature is low, the coagulation of a flocculating body is influenced, and the subsequent precipitation treatment effect is further influenced.
Disclosure of Invention
The invention provides a membrane concentrated solution treatment system and a production process thereof, aiming at the defects in the prior art.
In order to solve the technical problems, the invention is solved by the following technical scheme: a membrane concentrate treatment system comprises a mixing tank and a stirring shaft.
In the above scheme, preferably, a lifting device is fixedly arranged in the stirring shaft, two ends of the lifting device are both arranged outside the stirring shaft, the upper end of the lifting device is connected with a feeding device, a discharge port of the feeding device is connected with a mixing device, and the other side of the mixing device is connected with a liquid storage tank; the hoisting device lower extreme is arranged in and is mixed pond bottom of the pool and be used for drawing metal impurity in the mixed pond, mixing arrangement is arranged in and mixes metal impurity and dilute sulphuric acid mixing reaction and generates inorganic salt and pour inorganic salt into the mixed pond, and its beneficial effect lies in: the device for preparing the inorganic salt by using the iron-bearing metal in the concentrated solution is provided, so that the resource utilization rate is greatly improved, and meanwhile, the organic matters in the mixing tank are effectively flocculated.
In the above scheme, preferably, the lifting device includes a lifting belt and a lifting frame, the lifting belt is provided with a plurality of lifting buckets, the lifting buckets are rotatably disposed on conductive shafts fixedly disposed on the lifting belt, the conductive shafts are fixedly provided with electromagnets, the magnetic attraction surfaces of the electromagnets are disposed on the outer side surfaces of the lifting belt, both sides of the lower portion of the lifting frame are provided with conductive bars matched with the conductive shafts, and the conductive bars and the conductive shafts form a loop through cables; the elevator bucket below is equipped with the driving lever, hoisting frame upper portion is equipped with the gag lever post with driving lever matched with, and its beneficial effect lies in: the lifting device can adsorb the ferrous metal in the concentrated solution, the lifting bucket in the lifting device has the turnover function, the ferrous metal is poured into the feeding device, and the lifting efficiency is effectively improved.
In the above-mentioned scheme, preferably, be connected with the transfer line between mixing arrangement and the liquid storage pot, be equipped with the accuse on the transfer line and flow the device, the accuse flows the device and includes valve rod, first spring and stay cord, be equipped with on the transfer line with valve rod matched with cavity, the valve rod slides and locates in the cavity, valve rod one end is equipped with the spheroid, first spring housing is established on the valve rod and both ends push up respectively and lean on spheroid and cavity bottom, the valve rod other end is connected with the stay cord, the stay cord is worn to establish to rotate and is located and link to each other with resistance device behind the first guide pin bushing at (mixing) shaft top, resistance device locates (mixing) shaft upper portion, and its beneficial effect lies in: the device for controlling the flow of the dilute sulfuric acid is provided, and the flow of the dilute sulfuric acid can be reduced after organic matters in the concentrated solution are precipitated, so that waste is avoided.
In the above scheme, it is preferred, resistance device includes drag board, second spring, slide bar and fixed plate, slide bar one end has set firmly the drag board, and the other end slides and wears to locate to be connected with the stay cord behind the fixed plate, second spring housing locates on the slide bar and both ends push up respectively and lean on fixed plate and drag board medial surface, the drag board lateral surface is convex, be equipped with on the (mixing) shaft with stay cord matched with second guide pin bushing, its beneficial effect lies in: the device for detecting the concentration of the concentrated solution is provided, when the concentration of the concentrated solution is high, the resistance of the mixed solution is high, and when organic matters and inorganic salts in the concentrated solution react and settle, the concentration of the concentrated solution at the upper part is reduced, and the resistance is reduced.
In the above scheme, preferably, be equipped with the exhaust hood on the mixing arrangement, the exhaust hood has through first pipe connection and burns burning furnace, be equipped with the air exhauster on the first pipeline, it is equipped with water circle device to burn to be equipped with, water circle device includes circulating pipe, circulating pipe is around locating the mixing tank outer wall, the last circulating pump that is equipped with of circulating pipe, its beneficial effect lies in: the utility model provides a circulation heating device can make the concentrate temperature keep at the certain state in the mixing tank, makes inorganic salt and organic matter reaction more efficient, and is more thorough, has improved the efficiency of equipment greatly.
The treatment method using the membrane concentrate treatment system comprises the following treatment processes: adding concentrated solution into a mixing tank, then rotating a stirring shaft, enabling a lifting device to enter a lower conductive bar section through a conductive shaft, enabling an electromagnet to be electrified to adsorb ferrous metal in the concentrated solution, enabling the ferrous metal adsorbed on the electromagnet to fall into an elevator bucket after the conductive shaft leaves the conductive bar section after adsorption, then lifting through a lifting belt, and when the elevator bucket enters the upper part of the lifting device, matching a limiting rod arranged at the upper part of a lifting frame with a lifting rod arranged at the lower part of the elevator bucket to enable the elevator bucket to turn over, and pouring the ferrous metal in the elevator bucket into a feeding device; feeding iron metal into a mixing device through a uniform feeder, adding dilute sulfuric acid in a liquid storage tank into the mixing device through a liquid conveying pipe, reacting iron with the dilute sulfuric acid to generate ferrous sulfate and hydrogen, adding the ferrous sulfate into a mixing tank to react with the concentrated solution, and precipitating organic matters in the concentrated solution; thirdly, the generated hydrogen heats the water in the water circulating device through the incinerator, and the heated water transfers heat to the mixing tank through the circulating water pipe, so that a certain temperature is kept in the mixing tank; fourthly, after the concentrated solution in the mixing tank is gradually precipitated, the resistance met by the resistance device arranged on the upper part of the stirring shaft is reduced, the second spring is extended, the stress of the pull rope is reduced, meanwhile, the first spring in the flow control device is not compressed, the ball body is close to the center of the infusion tube, the dilute sulfuric acid passing through the infusion tube is reduced, and the purpose of controlling the flow is achieved.
The invention has the beneficial effects that: the invention provides an inorganic salt for precipitating other waste liquid by reacting iron metal in the waste liquid with dilute sulfuric acid in the metal processing industry, which greatly saves resources, solves the problem of liquid temperature reduction caused by the reaction of the inorganic salt and the concentrated solution, and improves the efficiency of treating the concentrated solution.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic structural diagram of the lifting device of the present invention.
Fig. 3 is a schematic perspective view of the lifting device of the present invention.
FIG. 4 is a schematic view of the resistance device of the present invention.
FIG. 5 is a schematic structural diagram of a flow control device according to the present invention.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings: referring to fig. 1-5, a membrane concentrate treatment system comprises a mixing tank 1 and a stirring shaft 2, wherein the stirring shaft 2 is arranged in the center of the mixing tank 1, and the stirring shaft 2 is connected with a speed reducer through a gear.
Preferably, a lifting device 3 is fixedly arranged in the stirring shaft 2, two ends of the lifting device 3 are both arranged outside the stirring shaft 2, and an electrical rotary joint is arranged when a cable of the lifting device 3 is connected with an external cable, wherein the electrical rotary joint is the prior art and is not described herein again; preferably, the upper end of the lifting device 3 is connected with a feeding device 4, and the lower end of the lifting device 3 is arranged at the bottom of the mixing tank 1 and rotates along with the stirring shaft 2.
Preferably, the lifting device 3 comprises a lifting belt 7 and a lifting frame 8, the lifting belt 7 is preferably a trough-shaped lifting belt, the lifting belt 7 is provided with a plurality of lifting hoppers 9, the number of the lifting hoppers 9 can be manually increased or decreased according to the concentration of the concentrated solution, the lifting hoppers 9 are rotatably arranged on a conductive shaft 10 fixedly arranged on the lifting belt 7, the conductive shaft 10 is preferably bolted on two side plates of the lifting belt 7, an electromagnet 11 is fixedly arranged on the conductive shaft 10, the electromagnet 11 and the conductive shaft 10 are connected by using a conductive material, the magnetic attraction surface of the electromagnet 11 is parallel to the lifting belt 7, and the magnetic attraction surface of the electromagnet faces outwards; preferably, both sides of the lower part of the lifting frame 8 are provided with conducting strips 12 matched with the conducting shaft 10, and the conducting strips 12 are only arranged on the outer part of the lifting belt 7 positioned on the stirring shaft 2; preferably, the conductive shaft 10 is in a sealed state when being matched with the conductive strip 12, and the contact part is not contacted with the concentrated solution; a loop is formed between the two sides of the conductive strip 12 and the conductive shaft 10 through a cable; a shifting rod 13 is arranged below the lifting bucket 9, a limiting rod 14 matched with the shifting rod 13 is arranged at the upper part of the lifting frame 8, and the lifting bucket 9 can be turned over by more than 90 degrees when the limiting rod 14 is matched with the shifting rod 13.
Preferably, a discharge port of the feeding device 4 is connected with a mixing device 5, and the other side of the mixing device 5 is connected with a liquid storage tank 6; preferably, the feeding device 4 is provided with a uniform feeder, the uniform feeder is provided with a baffle for controlling the material flow height, and the baffle can adjust the material flow height manually.
Preferably, an infusion tube 15 is connected between the mixing device 5 and the liquid storage tank 6, dilute sulfuric acid is preferably filled in the liquid storage tank 6, a flow control device is arranged on the infusion tube 15, the flow control device comprises a valve rod 16, a first spring 17 and a pull rope 18, a cavity matched with the valve rod 16 is arranged on the infusion tube 15, a small hole for the valve rod 16 to penetrate through is formed in the cavity, and a sealing ring is arranged when the small hole is matched with the valve rod 16; preferably, the valve rod 16 is slidably disposed in the cavity, one end of the valve rod 16 is provided with a ball 19, the first spring 17 is sleeved on the valve rod 16, and two ends of the first spring 17 respectively abut against the ball 19 and the bottom of the cavity, the other end of the valve rod 16 is connected with a pull rope 18, the pull rope 18 is rotatably disposed in the first guide sleeve 20 at the top of the stirring shaft 2 in a penetrating manner and then is connected with a resistance device 21, and preferably, a rotating bearing is disposed between the first guide sleeve 20 and the stirring shaft 2, so that the first guide sleeve 20 is kept at the same position and does not rotate when the stirring shaft 2 rotates.
Preferably, the resistance device 21 is arranged at the upper part of the stirring shaft 2, the resistance device 21 comprises a resistance plate 22, a second spring 23, a sliding rod 24 and a fixing plate 25, one end of the sliding rod 24 is fixedly provided with the resistance plate 22, the other end of the sliding rod 24 is slidably arranged in the fixing plate 25 in a penetrating way and then connected with a pull rope 18, and preferably, the penetrating holes of the sliding rod 24 and the fixing plate 25 are guide holes with edges, so that the sliding rod 24 cannot rotate and can only slide in the guide holes of the fixing plate 25; the second spring 23 is sleeved on the sliding rod 24, two ends of the second spring respectively abut against the inner side surfaces of the fixing plate 25 and the resistance plate 22, the outer side surface of the resistance plate 22 is arc-shaped, the outer side surface of the resistance plate 22 is firstly contacted with the concentrated solution when the stirring shaft 2 rotates, preferably, the stirring shaft 2 is provided with a second guide sleeve 26 matched with the pull rope 18, and the second guide sleeve 26 is fixedly arranged on the stirring shaft 2.
Preferably, be equipped with the exhaust hood 27 on the mixing arrangement 5, exhaust hood 27 is connected with through first pipeline 28 and burns burning furnace 29, be equipped with air exhauster 30 on the first pipeline 28, in the hydrogen injection that air exhauster 30 produced mixing arrangement 5 burnt burning furnace 29 on burns burning furnace, be equipped with water circulating device on burning furnace 29, burn burning furnace 29 and burn the water that adds the hot water circulating device in through hydrogen, water circulating device includes circulating pipe 31, circulating pipe 31 is around locating mixing tank 1 outer wall, be equipped with circulating pump 32 on the circulating pipe 31.
Preferably, the lower end of the lifting device 3 is disposed at the bottom of the mixing tank 1 for extracting metal impurities in the mixing tank 1, the metal impurities are preferably iron filings or iron-containing substances, and can be adsorbed by a magnet, the mixing device 5 is configured to mix and react the metal impurities with an acid to generate inorganic salts, and inject the inorganic salts into the mixing tank 1, and the acidic solution is preferably dilute sulfuric acid, and may also be a solution capable of generating inorganic salts, such as dilute hydrochloric acid.
The treatment method using the membrane concentrate treatment system comprises the following treatment processes: firstly, adding concentrated solution into a mixing tank 1, then rotating a stirring shaft 2, enabling an elevator bucket 9 in a lifting device 3 to enter a lower conductive strip 12 interval through a conductive shaft 10 along with a lifting belt 7, enabling an electromagnet 11 to be electrified to adsorb ferrous metal in the concentrated solution, enabling the ferrous metal adsorbed on the electromagnet 11 to fall into the elevator bucket 9 after the conductive shaft 10 leaves the conductive strip 12 interval after adsorption, enabling the elevator bucket 9 to be always positioned below the electromagnet 11 due to self weight at the moment, then lifting through the lifting belt 7, and when the elevator bucket 9 enters the upper part of the lifting device 3, enabling a limiting rod 14 arranged at the upper end of a lifting frame 8 to be matched with a deflector rod 13 arranged at the lower part of the elevator bucket 9 to overturn the elevator bucket 7 and pouring the ferrous metal in the elevator bucket 9 into a feeding device 4; then, the feeding device 4 feeds the ferrous metal into the mixing device 5 through the uniform feeder, meanwhile, dilute sulfuric acid in the liquid storage tank 6 is added into the mixing device 5 through the liquid conveying pipe 15, iron reacts with the dilute sulfuric acid to generate ferrous sulfate and hydrogen, the ferrous sulfate is added into the mixing tank 1 to react with the concentrated solution, and organic matters in the concentrated solution are precipitated; meanwhile, the generated hydrogen heats the water in the water circulating device through the incinerator 29, and the heated water transfers heat to the mixing tank 1 through the circulating water pipe 31, so that the temperature in the mixing tank 1 is kept to be a certain value; finally, after the concentrated solution in the mixing tank 1 gradually settles, the resistance met by the resistance device 21 arranged at the upper part of the stirring shaft 2 is reduced, the second spring 23 extends to reduce the stress of the pull rope 18, and meanwhile, the first spring 17 in the flow control device is not compressed, so that the ball 19 is close to the center of the infusion tube 15, the dilute sulfuric acid passing through the infusion tube 15 is reduced, and the purpose of controlling the flow is achieved.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (3)
1. The utility model provides a membrane concentrate processing system, includes mixing tank (1) and (mixing) shaft (2), its characterized in that: a lifting device (3) is fixedly arranged in the stirring shaft (2), two ends of the lifting device (3) are arranged on the outer side of the stirring shaft (2), the upper end of the lifting device (3) is connected with a feeding device (4), a discharge hole of the feeding device (4) is connected with a mixing device (5), and the other side of the mixing device (5) is connected with a liquid storage tank (6); the lower end of the lifting device (3) is arranged at the bottom of the mixing tank (1) and is used for extracting metal impurities in the mixing tank (1), and the mixing device (5) is used for mixing and reacting the metal impurities with dilute sulfuric acid to generate inorganic salts and injecting the inorganic salts into the mixing tank (1);
the lifting device (3) comprises a lifting belt (7) and a lifting frame (8), a plurality of lifting hoppers (9) are arranged on the lifting belt (7), the lifting hoppers (9) are rotatably arranged on conductive shafts (10) fixedly arranged on the lifting belt (7), electromagnets (11) are fixedly arranged on the conductive shafts (10), the magnetic attraction surfaces of the electromagnets (11) are arranged on the outer side surfaces of the lifting belt (7), conductive strips (12) matched with the conductive shafts (10) are arranged on two sides of the lower part of the lifting frame (8), and loops are formed between the conductive strips (12) and the conductive shafts (10) through cables; a deflector rod (13) is arranged below the lifting hopper (9), and a limiting rod (14) matched with the deflector rod (13) is arranged at the upper part of the lifting frame (8);
an infusion tube (15) is connected between the mixing device (5) and the liquid storage tank (6), a flow control device is arranged on the infusion tube (15), the flow control device comprises a valve rod (16), a first spring (17) and a pull rope (18), a cavity matched with the valve rod (16) is arranged on the infusion tube (15), the valve rod (16) is slidably arranged in the cavity, a ball body (19) is arranged at one end of the valve rod (16), the first spring (17) is sleeved on the valve rod (16), two ends of the first spring are respectively abutted against the ball body (19) and the bottom of the cavity, the other end of the valve rod (16) is connected with the pull rope (18), the pull rope (18) is connected with a resistance device (21) after penetrating through a first guide sleeve (20) rotatably arranged at the top of the stirring shaft (2), and the resistance device (21) is arranged at the upper part of the stirring shaft (2);
resistance device (21) include resistance board (22), second spring (23), slide bar (24) and fixed plate (25), slide bar (24) one end has set firmly resistance board (22), and the other end slides and wears to locate and be connected with stay cord (18) behind fixed plate (25), second spring (23) cover is located on slide bar (24) and both ends are pushed up respectively and are leaned on fixed plate (25) and resistance board (22) medial surface, resistance board (22) lateral surface is arc, be equipped with on (mixing) shaft (2) with stay cord (18) matched with second guide pin bushing (26).
2. The membrane concentrate treatment system of claim 1, wherein: be equipped with exhaust hood (27) on mixing arrangement (5), exhaust hood (27) are connected with through first pipeline (28) and burn burning furnace (29), be equipped with air exhauster (30) on first pipeline (28), be equipped with water circle device on burning furnace (29), water circle device includes circulating pipe (31), circulating pipe (31) are around locating mixing tank (1) outer wall, be equipped with circulating pump (32) on circulating pipe (31).
3. A method of treatment using a membrane concentrate treatment system according to claim 2, comprising the steps of: adding concentrated solution into a mixing tank, rotating a stirring shaft, enabling a lifting device to enter a lower conductive bar interval through a conductive shaft, enabling an electromagnet to be electrified to adsorb ferrous metal in the concentrated solution, enabling the ferrous metal adsorbed on the electromagnet to fall into a lifting bucket after the conductive shaft leaves the conductive bar interval after adsorption, and then lifting through a lifting belt, and when the lifting bucket enters the upper part of the lifting device, arranging a limiting rod on the upper part of a lifting frame to be matched with a driving rod arranged on the lower part of the lifting bucket, enabling the lifting bucket to turn over, and pouring the ferrous metal in the lifting bucket into a feeding device; feeding iron metal into a mixing device through a uniform feeder, adding dilute sulfuric acid in a liquid storage tank into the mixing device through a liquid conveying pipe, reacting iron with the dilute sulfuric acid to generate ferrous sulfate and hydrogen, adding the ferrous sulfate into a mixing tank to react with the concentrated solution, and precipitating organic matters in the concentrated solution; thirdly, the generated hydrogen heats the water in the water circulating device through the incinerator, and the heated water transfers heat to the mixing tank through the circulating water pipe, so that a certain temperature is kept in the mixing tank; fourthly, after the concentrated solution in the mixing tank is gradually precipitated, the resistance met by the resistance device arranged on the upper part of the stirring shaft is reduced, the second spring extends to reduce the stress of the pull rope, and meanwhile, the first spring in the flow control device is not compressed, so that the ball body is drawn close to the center of the infusion tube, the dilute sulfuric acid passing through the infusion tube is reduced, and the purpose of controlling the flow is achieved.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110306153.9A CN112979046B (en) | 2021-03-23 | 2021-03-23 | Membrane concentrated solution treatment system and production process thereof |
| PCT/CN2021/117570 WO2022198932A1 (en) | 2021-03-23 | 2021-09-10 | Membrane concentrated solution treatment system and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110306153.9A CN112979046B (en) | 2021-03-23 | 2021-03-23 | Membrane concentrated solution treatment system and production process thereof |
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| Publication Number | Publication Date |
|---|---|
| CN112979046A CN112979046A (en) | 2021-06-18 |
| CN112979046B true CN112979046B (en) | 2022-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110306153.9A Active CN112979046B (en) | 2021-03-23 | 2021-03-23 | Membrane concentrated solution treatment system and production process thereof |
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| CN112979046B (en) * | 2021-03-23 | 2022-05-31 | 浙江宏电环保股份有限公司 | Membrane concentrated solution treatment system and production process thereof |
| CN114477605B (en) * | 2022-02-22 | 2023-05-02 | 浙江宏电环保股份有限公司 | Membrane concentrate treatment equipment with sedimentation treatment structure |
| CN116443498B (en) * | 2023-04-19 | 2024-05-14 | 浙江宏电环保股份有限公司 | Production device and production process of composite fireproof insulation board |
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| CN107796243B (en) * | 2017-11-24 | 2023-08-25 | 江苏高菱蓄能科技有限公司 | Pre-heating anti-blocking ice cold accumulation pool |
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| WO2022198932A1 (en) | 2022-09-29 |
| CN112979046A (en) | 2021-06-18 |
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Address after: No. 555 Jinde Road, Jiangdong Town, Jindong District, Jinhua City, Zhejiang Province, 321000 Patentee after: ZHEJIANG HONGDIAN ENVIRONMENTAL PROTECTION Co.,Ltd. Address before: 321000 No. 2, No. 878, North Kang Jie street, Jindong District, Jinhua, Zhejiang. Patentee before: ZHEJIANG HONGDIAN ENVIRONMENTAL PROTECTION Co.,Ltd. |