CN115448437B - Wastewater recycling device for silica gel production and treatment method thereof - Google Patents
Wastewater recycling device for silica gel production and treatment method thereof Download PDFInfo
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- CN115448437B CN115448437B CN202211234250.2A CN202211234250A CN115448437B CN 115448437 B CN115448437 B CN 115448437B CN 202211234250 A CN202211234250 A CN 202211234250A CN 115448437 B CN115448437 B CN 115448437B
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- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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- 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
- C02F2209/02—Temperature
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- 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
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
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Abstract
The invention discloses a wastewater recycling device for silica gel production and a treatment method thereof, relates to the technical field of silica gel wastewater treatment, and aims to solve the problems that sediment filtered by the existing technology can be treated only in a landfill mode, and the whole technology process has low resource recycling rate and large water consumption. The waste water circulation collection supply mechanism comprises a base and a liquid storage rotating wheel, wherein the liquid storage rotating wheel is arranged above the base, the front end and the rear end of the liquid storage rotating wheel are respectively connected with the base in a rotating mode through a rotating wheel support, a discharging cavity is arranged at the center position inside the liquid storage rotating wheel, an acid distributing chamber, a water distributing chamber and a neutralizing chamber are arranged around the discharging cavity, a partition plate is arranged among the discharging cavity, the acid distributing chamber, the water distributing chamber and the neutralizing chamber, and waterproof electric control valves are arranged among the acid distributing chamber, the water distributing chamber, the neutralizing chamber and the discharging cavity.
Description
Technical Field
The invention relates to the technical field of silica gel wastewater treatment, in particular to a wastewater recycling device for silica gel production and a treatment method thereof.
Background
The main raw materials for producing the silica gel are sodium silicate and sulfuric acid, and the main energy source is steam. Firstly, preparing sulfuric acid and sodium silicate solution with certain concentration and temperature, preparing gel by synthetic reaction to generate silica gel solution, ageing the silica gel to perform primary reaming and stabilize the structure, then performing acid soaking and water washing to remove sodium sulfate, sulfuric acid and other impurities in the gel, then performing gel dragging and drying by steam heat exchange.
In the prior art, when the gel is prepared, silica gel sediment is easy to be deposited in the water of the receiver due to the prolonged gel preparation time, and a large amount of neutral wastewater containing the silica gel sediment is generated; when the acid foam is prepared, sulfuric acid with the mass concentration of 3-4.5% is required to be used for acid foam, and 1-2% low-concentration sulfuric acid wastewater is generated after replacement; when washing, a large amount of hot water is needed to be used for washing, and a large amount of low-concentration sulfuric acid wastewater of 0.5-1% is generated; a large amount of weak acid wastewater with lower conductivity can be generated in a glue outlet link after glue dragging is finished; the traditional process generally adopts lime to neutralize the four kinds of waste water and then flocculate and settle, finally filters sediment, and the filtrate is discharged after reaching the standard.
However, the sediment filtered by the process can be treated only in a landfill mode, so that the resource recycling rate in the whole process is low, and the water consumption is high; therefore, we propose a wastewater recycling device for silica gel production and a treatment method thereof so as to solve the problems set forth above.
Disclosure of Invention
The invention aims to provide a wastewater recycling device for silica gel production and a treatment method thereof, which are used for solving the problems that sediment filtered by the prior art in the background art can only be treated in a landfill mode, and the whole process has low resource recycling rate and large water consumption.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a waste water circulation retrieval and utilization device for silica gel production, collects feeding mechanism, feed assembly and batching mechanism including waste water circulation, the feed assembly sets up the upper end of collecting feeding mechanism at waste water circulation, batching mechanism sets up the rear end of collecting feeding mechanism at waste water circulation:
the waste water circulation collection and supply mechanism comprises a base and a liquid storage rotating wheel, wherein the liquid storage rotating wheel is arranged above the base, the front end and the rear end of the liquid storage rotating wheel are both in rotary connection with the base through a rotating wheel support, a discharging cavity is arranged in the center of the inside of the liquid storage rotating wheel, an acid distribution chamber, a water distribution chamber and a neutralization chamber are arranged around the discharging cavity, a partition plate is arranged among the acid distribution chamber, the water distribution chamber and the neutralization chamber, waterproof electric control valves are arranged among the acid distribution chamber, the water distribution chamber and the neutralization chamber and the discharging cavity, electric valves are arranged at the upper ends of the acid distribution chamber, the water distribution chamber and the neutralization chamber, a sealing bearing joint is arranged at the front end of the discharging cavity, a discharging pump is arranged at one end of the sealing bearing joint, a discharging joint is arranged at a discharging outlet of the discharging pump, a discharging assembly is arranged at the discharging outlet of the discharging pump, a supporting frame is arranged at the lower end of the discharging pump, and the supporting frame is connected with the rotating wheel support through a plurality of reinforcing plates;
the batching mechanism comprises a driving base and a rotary drum, and the rotary drum is arranged above the driving base.
Preferably, the sulfuric acid concentration sensor is installed to the rear end of joining in marriage sour room, and sulfuric acid concentration sensor's detection end runs through and extends to the inside of joining in marriage sour room, and with joining in marriage sour room sealing connection, temperature sensor is installed to the rear end of joining in marriage the hydroecium, and temperature sensor's detection end runs through and extends to the inside of joining in marriage the water room, and with joining in marriage water room sealing connection, PH value sensor is installed to the rear end of neutralizing the room, and PH value sensor detection end runs through and extends to the inside of neutralizing the room, and with neutralizing room sealing connection.
Preferably, the rear end the externally mounted of runner support has the transmission cover, the inside top of transmission cover installs first sprocket, and the shaft and the stock solution runner fixed connection of first sprocket, the motor platform is installed to the upper end of base, first step motor is installed to the upper end of motor platform, first step motor's output shaft runs through and extends to the inside of transmission cover, and installs the second sprocket, first sprocket passes through the chain belt and is connected with the transmission of second sprocket.
Preferably, stabilizer bars are arranged on one sides of the first chain wheel and the second chain wheel, and one ends of the stabilizer bars are rotatably connected with the transmission cover through bearings.
Preferably, the feeding assembly and the discharging assembly all comprise connecting pipes, a flow distribution main pipe, a glue making pipeline, an acid foam pipeline, a washing pipeline and a glue dragging pipeline, wherein the connecting pipes are arranged at the lower end of the middle position of the flow distribution main pipe, the glue making pipeline, the acid foam pipeline, the washing pipeline and the glue dragging pipeline are uniformly distributed on the outer wall of the flow distribution main pipe at equal intervals, and an electric control valve is arranged at the joint of the glue making pipeline, the acid foam pipeline, the washing pipeline and the glue dragging pipeline with the flow distribution main pipe.
Preferably, the inside of rotary drum is provided with hot water chamber, dilute sulfuric acid room and liquid alkali room, pump machine extension board is all installed to the upper end of hot water chamber, dilute sulfuric acid room and liquid alkali room, the measuring pump is installed to the upper end of pump machine extension board, and the measuring pump is provided with three, and the feed inlet of three measuring pump extends to the inside of hot water chamber, dilute sulfuric acid room and liquid alkali room respectively through the passage, the feed inlet of measuring pump runs through and extends to the outside of rotary drum, and installs the row material pipe.
Preferably, the upper ends of the outer walls of the hot water chamber, the dilute sulfuric acid chamber and the liquid alkali chamber are provided with feed valves, the lower ends of the outer walls of the hot water chamber, the dilute sulfuric acid chamber and the liquid alkali chamber are provided with discharge valves, the rear ends of the three metering pumps are provided with liquid level sensors, and the detection ends of the three liquid level sensors penetrate through and extend to the interiors of the hot water chamber, the dilute sulfuric acid chamber and the liquid alkali chamber respectively.
Preferably, a heat exchanger is arranged on the inner wall of the hot water chamber, and an insulating layer is arranged on the inner wall of the water distribution chamber.
Preferably, the inside of drive base rotatably installs driven fluted disc, and the dish axle of driven fluted disc and the bottom surface fixed connection of rotary drum, the second step motor is installed to the top of drive base one end, the output shaft of second step motor runs through and extends to the inside of drive base, and installs the initiative fluted disc, the output shaft of second step motor passes through initiative fluted disc and driven fluted disc transmission and is connected.
Preferably, a treatment method of a wastewater recycling device for silica gel production comprises the following steps:
step one: the first stepping motor and the sprocket transmission mechanism are utilized to drive the liquid storage rotating wheel on the wastewater circulating, collecting and supplying mechanism to rotate, so that the water distribution chamber faces upwards, and the electric valve on the water distribution chamber is driven to be opened;
step two: the glue making pipeline, the acid foam pipeline and the washing pipeline electric control valve on the feeding assembly are closed, only the glue making pipeline is opened, a proper amount of glue making is conveyed into the water distribution chamber by a pump on the glue making pipeline system, after the glue making pipeline is finished, the second stepping motor drives the rotary drum to rotate by means of the fluted disc structure, so that the discharge pipe of the hot water chamber is positioned above the water distribution chamber, hot water is injected into the glue making pipeline in the water distribution chamber by using the metering pump, the temperature sensor in the water distribution chamber detects the water temperature, after the water temperature reaches 50-55 ℃, the hot water is stopped to be added, an electric valve on the water distribution chamber is closed, the first stepping motor drives the liquid storage rotary wheel to rotate, the neutralization chamber faces upwards, and the electric valve above the neutralization chamber is opened;
step three: the acid foam pipeline and the rubber fishing pipeline on the feeding assembly are closed by an electric control valve, a rubber making pipeline and a washing pipeline are opened, a proper amount of rubber making wastewater and washing wastewater are conveyed into a neutralization chamber by a pump in a rubber making pipeline and a washing pipeline system, a second stepping motor drives a rotary drum to rotate after the rubber making pipeline and the washing wastewater are finished, a discharging pipe of a liquid alkali chamber is positioned above the neutralization chamber, liquid alkali is added into the neutralization chamber by a metering pump, the acidity of the washing wastewater is neutralized, after the detection value of a PH value sensor reaches 7, the addition is stopped, an electric valve on the neutralization chamber is closed, a liquid storage rotary wheel is driven by a first stepping motor to rotate, an acid distribution chamber faces upwards, and an electric valve above the acid distribution chamber is opened;
step four: the glue making pipeline, the washing pipeline and the glue taking pipeline on the feeding assembly are closed, only the acid bubble pipeline is opened, a proper amount of acid bubble waste liquid is injected into the acid distribution chamber by a pump in the acid bubble pipeline system, after the acid bubble waste liquid is completely injected, the second stepping motor drives the rotary drum to rotate, a discharge pipe of the dilute sulfuric acid chamber is positioned above the acid distribution chamber, dilute sulfuric acid is added into the acid distribution chamber by a metering pump, the mass concentration reaches 3-4.5%, the liquid adding is stopped, an electric valve of the acid distribution chamber is closed, and the first stepping motor drives a liquid storage rotary wheel to rotate to enable the water distribution chamber to face upwards again;
step five: after the water distribution chamber rotates, the glue is mixed with hot water, at the moment, a waterproof electric control valve at the bottom of the water distribution chamber is opened to enable mixed liquid to enter a discharging cavity, a discharging pump at the front end of the discharging cavity is matched with a washing pipeline on a discharging assembly, and the mixed liquid of the glue and the hot water is reused as washing liquid for a silica gel washing process;
step six: the first stepping motor drives the liquid storage rotating wheel to rotate, so that the neutralization chamber is upwards, the internal glue making wastewater, washing wastewater and liquid alkali are mixed into neutral liquid under the rotation action, at the moment, a waterproof electric control valve at the bottom of the neutralization chamber is opened, so that the mixed liquid enters a discharge cavity, and a discharge pump at the front end of the discharge cavity is matched with a glue making pipeline on a discharge assembly to make glue by taking the mixed neutral liquid as reuse water;
step seven: the first stepping motor drives the liquid storage rotating wheel to rotate, so that the acid distribution chamber is upward, the concentration of the acid foam wastewater returns to the acid foam standard after dilute sulfuric acid is added through the rotation effect, at the moment, the waterproof electric control valve at the bottom of the acid distribution chamber is opened, so that the solution enters the discharge cavity, and the solution is supplied to the acid foam process again for use through the discharge pump at the front end of the discharge cavity and the acid foam pipeline on the discharge assembly, so that the circulation treatment of wastewater in each link of silica gel production is realized.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention sets up the circulation collection supply mechanism of the waste water and batching mechanism, wherein, the circulation collection supply mechanism of the waste water is mainly a rotatable stock solution runner, including water chamber, neutralization chamber and acid preparing chamber, and batching mechanism is mainly a rotary drum structure, including hot water chamber, dilute sulfuric acid chamber and liquid alkali chamber, in the course of treatment, when the water preparing chamber rotates to the upper side, can be salvaged the pump on the pipe system of the rubber to carry the right amount to the water preparing chamber, then by the hot water chamber on batching mechanism, pour into the hot water to the salvaged glue in the water preparing chamber, stop adding hot water after the water temperature reaches 50-55 degrees centigrade, salvaged the mixed solution of glue and hot water can be used for the silica gel washing process as the washing liquid to recycle; when the neutralization chamber rotates to the upper part, a proper amount of glue making wastewater and washing wastewater are conveyed into the neutralization chamber by a pump in a glue making pipeline and a washing pipeline system, then liquid alkali on a dosing mechanism is utilized to add liquid alkali into the neutralization chamber to neutralize the acidity of the washing wastewater, after the PH value reaches, the addition is stopped, and the mixed neutral liquid can be used as reuse water for glue making; when the acid preparing chamber rotates to the upper part, a pump in the acid preparing pipeline system injects a proper amount of acid preparing waste liquid into the acid preparing chamber, then dilute sulfuric acid is added into the acid preparing chamber by a dilute sulfuric acid chamber of a batching mechanism, so that the mass concentration reaches 3-4.5%, the liquid adding is stopped, the newly prepared solution can be supplied to the acid preparing process again for use, the process is repeated, the cyclic treatment of waste water in each link of silica gel production is realized, and the problems that sediment filtered by the prior art can only be treated in a landfill mode, the resource recycling rate of the whole process is low and the water consumption is large are solved.
2. The recycling and circulating treatment device for the silica gel production wastewater is composed of a wastewater circulating, collecting and supplying mechanism, a batching mechanism, a supplying assembly and a discharging assembly, is highly integrated among the structures, and is high in flexibility by means of a rotating wheel type structure for efficiently treating the recycling wastewater in different stages.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a wastewater recycling, collecting and supplying mechanism according to the present invention;
FIG. 3 is a schematic diagram of the internal structure of the liquid storage runner of the present invention;
FIG. 4 is a schematic view of a feed assembly according to the present invention;
FIG. 5 is a schematic diagram of a dispensing mechanism according to the present invention;
FIG. 6 is a schematic top view of the inside of the dispensing mechanism of the present invention;
FIG. 7 is a schematic view of the internal structure of the driving base of the present invention;
in the figure: 1. a wastewater circulation collection and supply mechanism; 2. a feed assembly; 3. a batching mechanism; 4. a base; 5. a liquid storage rotating wheel; 6. a runner bracket; 7. a transmission cover; 8. a first sprocket; 9. a second sprocket; 10. a chain belt; 11. a stabilizer bar; 12. a bearing; 13. a first stepping motor; 14. a motor table; 15. sealing the bearing joint; 16. a discharge pump; 17. an electric valve; 18. a discharging assembly; 19. a support frame; 20. a reinforcing plate; 21. a driving base; 22. a rotating drum; 23. a feed valve; 24. a discharge valve; 25. a second stepping motor; 26. a discharge pipe; 27. a discharge joint; 28. a discharge cavity; 29. an acid preparing chamber; 30. a water distribution chamber; 31. a neutralization chamber; 32. a partition plate; 33. a heat preservation layer; 34. a temperature sensor; 35. a pH sensor; 36. a sulfuric acid concentration sensor; 37. waterproof electric control valve; 38. a connecting pipe; 39. a split manifold; 40. a glue making pipeline; 41. an acid bubble pipeline; 42. a washing pipeline; 43. a glue fishing pipeline; 44. an electric control valve; 45. a hot water chamber; 46. a dilute sulfuric acid chamber; 47. a liquid alkali chamber; 48. a pump support plate; 49. a liquid level sensor; 50. a metering pump; 51. a heat exchanger; 52. a driven fluted disc; 53. a driving fluted disc.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-7, an embodiment of the present invention is provided: the utility model provides a waste water circulation retrieval and utilization device for silica gel production, collects supply mechanism 1, feed assembly 2 and batching mechanism 3 including waste water circulation, and feed assembly 2 sets up in waste water circulation and collects the upper end of supply mechanism 1, and batching mechanism 3 sets up the rear end of collecting supply mechanism 1 at waste water circulation:
the waste water circulation collection and supply mechanism 1 comprises a base 4 and a liquid storage rotating wheel 5, wherein the liquid storage rotating wheel 5 is arranged above the base 4, the front end and the rear end of the liquid storage rotating wheel 5 are both rotationally connected with the base 4 through a rotating wheel bracket 6, a discharging cavity 28 is arranged at the central position inside the liquid storage rotating wheel 5, an acid distributing cavity 29, a water distributing cavity 30 and a neutralizing cavity 31 are arranged around the discharging cavity 28, a partition plate 32 is arranged among the acid distributing cavity 28, the acid distributing cavity 29, the water distributing cavity 30 and the neutralizing cavity 31, a waterproof electric control valve 37 is arranged among the acid distributing cavity 29, the water distributing cavity 30 and the neutralizing cavity 31 and the discharging cavity 28, an electric valve 17 is arranged at the upper ends of the acid distributing cavity 29, the water distributing cavity 30 and the neutralizing cavity 31, a sealing bearing joint 15 is arranged at the front end of the discharging cavity 28, a discharging pump 16 is arranged at one end of the sealing bearing joint 15, a discharging joint 27 is arranged at the discharging port of the discharging pump 16, a supporting frame 19 is arranged at the lower end of the discharging pump 16, and a plurality of reinforcing plates 20 are connected between the supporting frame 19 and the reinforcing plates 6;
the batching mechanism 3 comprises a driving base 21 and a drum 22, and the drum 22 is arranged above the driving base 21.
Referring to fig. 3, a sulfuric acid concentration sensor 36 is installed at the rear end of the acid preparing chamber 29, the detection end of the sulfuric acid concentration sensor 36 penetrates through and extends to the inside of the acid preparing chamber 29 and is in sealing connection with the acid preparing chamber 29, a temperature sensor 34 is installed at the rear end of the water preparing chamber 30, the detection end of the temperature sensor 34 penetrates through and extends to the inside of the water preparing chamber 30 and is in sealing connection with the water preparing chamber 30, a PH value sensor 35 is installed at the rear end of the neutralizing chamber 31, the detection end of the PH value sensor 35 penetrates through and extends to the inside of the neutralizing chamber 31 and is in sealing connection with the neutralizing chamber 31, the sulfuric acid concentration sensor 36 is used for detecting the sulfuric acid concentration of the solution in the acid preparing chamber 29, the later concentration is facilitated, the temperature sensor 34 is used for detecting the temperature of the water preparing chamber 30 and is convenient to control the temperature of the washing liquid, and the PH value of the solution in the neutralizing chamber 31 is convenient to adjust to be neutral for recycling.
Referring to fig. 1, a transmission cover 7 is installed outside a rear end runner bracket 6, a first sprocket 8 is installed above the inside of the transmission cover 7, a wheel shaft of the first sprocket 8 is fixedly connected with a liquid storage runner 5, a motor table 14 is installed at the upper end of a base 4, a first stepping motor 13 is installed at the upper end of the motor table 14, an output shaft of the first stepping motor 13 penetrates through and extends to the inside of the transmission cover 7, a second sprocket 9 is installed, the first sprocket 8 is in transmission connection with the second sprocket 9 through a chain belt 10, the first stepping motor 13 can drive the first sprocket 8 and the liquid storage runner 5 to rotate through the second sprocket 9, and positions of an acid distribution chamber 29, a water distribution chamber 30 and a neutralization chamber 31 are adjusted to facilitate adding waste liquid according to requirements.
Referring to fig. 1, a stabilizer bar 11 is installed on one side of the first sprocket 8 and one side of the second sprocket 9, one end of the stabilizer bar 11 is rotatably connected with the transmission cover 7 through a bearing 12, and the rotation precision of the liquid storage runner 5 can be improved due to the structure of the stabilizer bar 11 and the bearing 12.
Referring to fig. 2 and 4, the feeding assembly 2 and the discharging assembly 18 each include a connecting pipe 38, a split-flow main pipe 39, a glue making pipe 40, a acid foam pipe 41, a washing pipe 42 and a glue pulling pipe 43, wherein the connecting pipe 38 is disposed at the lower end of the middle position of the split-flow main pipe 39, the glue making pipe 40, the acid foam pipe 41, the washing pipe 42 and the glue pulling pipe 43 are uniformly distributed on the outer wall of the split-flow main pipe 39 at equal intervals, and an electric control valve 44 is mounted at the joint of the glue making pipe 40, the acid foam pipe 41, the washing pipe 42 and the glue pulling pipe 43 and the split-flow main pipe 39, and the liquid feeding and discharging systems can be controlled by adjusting the opening and closing of the electric control valve 44.
Referring to fig. 5 and 6, a hot water chamber 45, a dilute sulfuric acid chamber 46 and a liquid alkali chamber 47 are provided in the drum 22, pump support plates 48 are mounted at the upper ends of the hot water chamber 45, the dilute sulfuric acid chamber 46 and the liquid alkali chamber 47, metering pumps 50 are mounted at the upper ends of the pump support plates 48, the metering pumps 50 are provided with three, the feed inlets of the three metering pumps 50 respectively extend to the inside of the hot water chamber 45, the dilute sulfuric acid chamber 46 and the liquid alkali chamber 47 through material guiding pipes, the feed inlets of the metering pumps 50 penetrate and extend to the outside of the drum 22, and a material discharging pipe 26 is mounted, wherein the hot water chamber 45, the dilute sulfuric acid chamber 46 and the liquid alkali chamber 47 are used for storing hot water, dilute sulfuric acid and liquid alkali, and can be flexibly proportioned with silica gel production wastewater, so that the wastewater can be recycled.
Referring to fig. 5 and 6, the upper ends of the outer walls of the hot water chamber 45, the dilute sulfuric acid chamber 46 and the liquid alkali chamber 47 are respectively provided with a feed valve 23, the lower ends of the outer walls of the hot water chamber 45, the dilute sulfuric acid chamber 46 and the liquid alkali chamber 47 are respectively provided with a discharge valve 24, the rear ends of the three metering pumps 50 are respectively provided with a liquid level sensor 49, the detection ends of the three liquid level sensors 49 respectively penetrate through and extend to the inside of the hot water chamber 45, the dilute sulfuric acid chamber 46 and the liquid alkali chamber 47, and the liquid level sensors 49 can detect the liquid level heights of the hot water chamber 45, the dilute sulfuric acid chamber 46 and the liquid alkali chamber 47 and can be timely added when the liquid level is low.
Referring to fig. 3 and 6, a heat exchanger 51 is installed on the inner wall of the hot water chamber 45, an insulation layer 33 is provided on the inner wall of the water distribution chamber 30, the heat exchanger 51 is a stainless steel heat conducting sheet with heat conducting sheets installed therein, and the heat exchanger 51 can heat and insulate the water body in the hot water chamber 45 by heat exchange of the heat conducting sheets in the interlayer and heat conduction of the stainless steel heat conducting sheets.
Referring to fig. 7, a driven fluted disc 52 is rotatably mounted in the driving base 21, a disc shaft of the driven fluted disc 52 is fixedly connected with the bottom surface of the rotary drum 22, a second stepping motor 25 is mounted above one end of the driving base 21, an output shaft of the second stepping motor 25 penetrates through and extends to the inside of the driving base 21, a driving fluted disc 53 is mounted, an output shaft of the second stepping motor 25 is in transmission connection with the driven fluted disc 52 through the driving fluted disc 53, the output shaft of the second stepping motor 25 drives the driving fluted disc 53 to rotate, and the rotary drum 22 can be driven to rotate by virtue of meshing transmission action of the driving fluted disc 53 and the driven fluted disc 52.
Referring to fig. 1 to 7, a treatment method of a wastewater recycling device for silica gel production comprises the following steps:
step one: the first stepping motor 13 and the chain wheel transmission mechanism are utilized to drive the liquid storage rotating wheel 5 on the wastewater circulation collection and supply mechanism 1 to rotate, so that the water distribution chamber 30 faces upwards, and the electric valve 17 on the water distribution chamber 30 is driven to be opened;
step two: the glue making pipeline 40, the acid foam pipeline 41 and the washing pipeline 42 on the feeding assembly 2 are closed, the glue pulling pipeline 43 is only opened, a proper amount of glue pulling is conveyed into the water distribution chamber 30 by a pump on the glue pulling pipeline 43 system, after the glue pulling pipeline is finished, the second stepping motor 25 drives the rotary drum 22 to rotate by means of a fluted disc structure, the discharge pipe 26 of the hot water chamber 45 is positioned above the water distribution chamber 30, hot water is injected into the glue pulling pipeline in the water distribution chamber 30 by the metering pump 50, the temperature sensor 34 in the water distribution chamber 30 detects the water temperature, after the water temperature reaches 50-55 ℃, the hot water is stopped to be added, the electric valve 17 on the water distribution chamber 30 is closed, the liquid storage rotary wheel 5 is driven to rotate by the first stepping motor 13, the neutralization chamber 31 faces upwards, and the electric valve 17 above the neutralization chamber 31 is opened;
step three: the electric control valve 44 of the acid foam pipeline 41 and the rubber fishing pipeline 43 on the feeding assembly 2 is closed, the rubber making pipeline 40 and the washing pipeline 42 are opened, a proper amount of rubber making waste water and washing waste water are conveyed into the neutralization chamber 31 by a pump in the rubber making pipeline 40 and the washing pipeline 42, after the rubber making pipeline 40 and the washing pipeline 42 are finished, the second stepping motor 25 drives the rotary drum 22 to rotate, the discharge pipe 26 of the liquid alkali chamber 47 is positioned above the neutralization chamber 31, the liquid alkali is added into the neutralization chamber 31 by the metering pump 50 to neutralize the acidity of the washing waste water, after the detection value of the PH value sensor 35 reaches 7, the addition is stopped, the electric valve 17 on the neutralization chamber 31 is closed, the liquid storage rotary wheel 5 is driven to rotate by the first stepping motor 13, the acid making chamber 29 faces upwards, and the electric valve 17 above the acid making chamber 29 is opened;
step four: the glue making pipeline 40, the washing pipeline 42 and the glue fishing pipeline 43 on the feeding assembly 2 are closed, only the acid bubble pipeline 41 is opened, a proper amount of acid bubble waste liquid is injected into the acid preparing chamber 29 by a pump in the acid bubble pipeline 41 system, after the acid bubble waste liquid is completely injected, the second stepping motor 25 drives the rotary drum 22 to rotate, the discharge pipe 26 of the dilute sulfuric acid chamber 46 is positioned above the acid preparing chamber 29, the dilute sulfuric acid is added into the acid preparing chamber 29 by the metering pump 50, the mass concentration reaches 3-4.5%, the liquid adding is stopped, the electric valve 17 of the acid preparing chamber 29 is closed, and the liquid storage rotary wheel 5 is driven by the first stepping motor 13 to rotate to make the water distributing chamber 30 upwards again;
step five: after rotation, the glue-fishing water in the water distribution chamber 30 is mixed with hot water, at the moment, a waterproof electric control valve 37 at the bottom of the water distribution chamber 30 is opened to enable mixed liquid to enter a discharging cavity 28, and the mixed liquid of the glue-fishing water and the hot water is reused as washing liquid for a silica gel washing process by matching a washing pipeline 42 on the discharging assembly 18 through a discharging pump 16 at the front end of the discharging cavity 28;
step six: the first stepping motor 13 drives the liquid storage rotating wheel 5 to rotate, so that the neutralization chamber 31 is upwards, the internal glue making wastewater, washing wastewater and liquid alkali are mixed into neutral liquid under the rotation action, at the moment, a waterproof electric control valve 37 at the bottom of the neutralization chamber 31 is opened, so that the mixed liquid enters the discharge cavity 28, and the mixed neutral liquid is used as reuse water for glue making by matching a glue making pipeline 40 on the discharge assembly 18 through a discharge pump 16 at the front end of the discharge cavity 28;
step seven: the first stepping motor 13 drives the liquid storage rotary wheel 5 to rotate, so that the acid distribution chamber 29 is upward, after dilute sulfuric acid is added into the acid foam wastewater, the concentration returns to the acid foam standard again, at the moment, the waterproof electric control valve 37 at the bottom of the acid distribution chamber 29 is opened, so that the solution enters the discharge cavity 28, and the solution is supplied to the acid foam process again for use through the discharge pump 16 at the front end of the discharge cavity 28 and the acid foam pipeline 41 on the discharge assembly 18, so that the circulating treatment of wastewater in each link of silica gel production is realized.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a waste water circulation retrieval and utilization device for silica gel production, collects supply mechanism (1), feed assembly (2) and batching mechanism (3) including waste water circulation, feed assembly (2) set up the upper end of collecting supply mechanism (1) at waste water circulation, batching mechanism (3) set up the rear end of collecting supply mechanism (1) at waste water circulation, its characterized in that:
the waste water circulation collection and supply mechanism (1) comprises a base (4) and a liquid storage rotating wheel (5), the front end and the rear end of the liquid storage rotating wheel (5) are respectively connected with the base (4) in a rotating mode through a rotating wheel support (6), a discharging cavity (28) is arranged at the center position inside the liquid storage rotating wheel (5), an acid distribution chamber (29), a water distribution chamber (30) and a neutralization chamber (31) are arranged around the discharging cavity (28), waterproof electric control valves (37) are respectively arranged among the acid distribution chamber (29), the water distribution chamber (30), the neutralization chamber (31) and the discharging cavity (28), electric valves (17) are arranged at the upper ends of the acid distribution chamber (29), the water distribution chamber (30) and the neutralization chamber (31), a discharging pump (16) is arranged at the front end of the discharging cavity (28) through a sealing bearing joint (15), and a discharging assembly (18) is arranged at the discharging port of the discharging pump (16) through a discharging joint (27).
The batching mechanism (3) comprises a driving base (21) and a rotary drum (22), and the rotary drum (22) is arranged above the driving base (21);
the feeding assembly (2) and the discharging assembly (18) comprise connecting pipes (38), a branch pipe (39), a rubber making pipeline (40), an acid foam pipeline (41), a washing pipeline (42) and a rubber dragging pipeline (43), wherein the connecting pipes (38) are arranged at the lower end of the middle position of the branch pipe (39), the rubber making pipeline (40), the acid foam pipeline (41), the washing pipeline (42) and the rubber dragging pipeline (43) are uniformly distributed on the outer wall of the branch pipe (39) at equal intervals, and an electric control valve (44) is arranged at the joint of the rubber making pipeline (40), the acid foam pipeline (41), the washing pipeline (42) and the rubber dragging pipeline (43) and the branch pipe (39);
the inside of rotary drum (22) is provided with hot water chamber (45), dilute sulfuric acid room (46) and liquid alkali room (47), pump machine extension board (48) are all installed to the upper end of hot water chamber (45), dilute sulfuric acid room (46) and liquid alkali room (47), three measuring pump (50) are installed to the upper end of pump machine extension board (48), and the feed inlet of three measuring pump (50) extends to the inside of hot water chamber (45), dilute sulfuric acid room (46) and liquid alkali room (47) respectively through the passage, the feed inlet of measuring pump (50) extends to the outside of rotary drum (22) to install discharge pipe (26).
2. The wastewater recycling device for silica gel production according to claim 1, wherein: sulfuric acid concentration sensor (36) is installed to the rear end of joining in marriage sour room (29), temperature sensor (34) is installed to the rear end of joining in marriage sour room (30), PH value sensor (35) is installed to the rear end of neutralizing room (31).
3. The wastewater recycling device for silica gel production according to claim 2, wherein: the device also comprises a first chain wheel (8), wherein the wheel shaft of the first chain wheel (8) is fixedly connected with the liquid storage rotating wheel (5) and is positioned outside the rotating wheel bracket (6) at the rear end; the upper end of the base (4) is provided with a first stepping motor (13), an output shaft of the first stepping motor (13) is fixedly provided with a second sprocket (9), and the first sprocket (8) is in transmission connection with the second sprocket (9) through a chain belt (10).
4. A silica gel production wastewater recycling device according to claim 3, wherein: the upper ends of the outer walls of the hot water chamber (45), the dilute sulfuric acid chamber (46) and the liquid alkali chamber (47) are respectively provided with a feed valve (23), the lower ends of the outer walls of the hot water chamber (45), the dilute sulfuric acid chamber (46) and the liquid alkali chamber (47) are respectively provided with a discharge valve (24), the rear ends of the three metering pumps (50) are respectively provided with a liquid level sensor (49), and the detection ends of the three liquid level sensors (49) are respectively extended to the interiors of the hot water chamber (45), the dilute sulfuric acid chamber (46) and the liquid alkali chamber (47).
5. The wastewater recycling device for silica gel production according to claim 4, wherein: the inner wall of the hot water chamber (45) is provided with a heat exchanger (51), and the inner wall of the water distribution chamber (30) is provided with a heat preservation layer (33).
6. The wastewater recycling device for silica gel production according to claim 5, wherein: the inside of the driving base (21) is rotatably provided with a driven fluted disc (52), a disc shaft of the driven fluted disc (52) is fixedly connected with the bottom surface of the rotary drum (22), a second stepping motor (25) is arranged above one end of the driving base (21), and an output shaft of the second stepping motor (25) extends to the inside of the driving base (21) and is fixedly provided with a driving fluted disc (53); an output shaft of the second stepping motor (25) is in transmission connection with a driven fluted disc (52) through a driving fluted disc (53).
7. A method for treating a wastewater recycling apparatus for silica gel production, characterized in that the wastewater recycling apparatus for silica gel production according to claim 6 is used, the method comprising the steps of:
step one: the first stepping motor (13) and the chain wheel transmission mechanism are utilized to drive the liquid storage rotating wheel (5) on the wastewater circulation collection and supply mechanism (1) to rotate, so that the water distribution chamber (30) faces upwards, and the electric valve (17) on the water distribution chamber (30) is driven to be opened;
step two: the glue making pipeline (40), the acid foam pipeline (41) and the washing pipeline (42) on the feeding assembly (2) are closed, the glue making pipeline (43) is only opened, a proper amount of glue is conveyed into the water distribution chamber (30) by a pump on the glue making pipeline (43) system, the second stepping motor (25) drives the rotary drum (22) to rotate by means of a fluted disc structure after the glue making pipeline is completed, the discharge pipe (26) of the hot water chamber (45) is positioned above the water distribution chamber (30), hot water is injected into the glue making pipeline in the water distribution chamber (30) by the metering pump (50), the temperature of the water is detected by the temperature sensor (34) in the water distribution chamber (30), after the water temperature reaches 50-55 ℃, the hot water is stopped to be added, the electric valve (17) on the water distribution chamber (30) is closed, the first stepping motor (13) drives the liquid storage rotary wheel (5) to rotate, the neutralization chamber (31) is oriented upwards, and the electric valve (17) above the neutralization chamber (31) is opened;
step three: an acid foam pipeline (41) and a rubber fishing pipeline (43) on the feeding assembly (2) are closed, an electric control valve (44) of the rubber making pipeline (40) and a washing pipeline (42) are opened, a proper amount of rubber making waste water and washing waste water are conveyed into a neutralization chamber (31) by a pump in the rubber making pipeline (40) and the washing pipeline (42) system, a second stepping motor (25) drives a rotary drum (22) to rotate after the rubber making waste water and the washing waste water are finished, a discharge pipe (26) of a liquid alkali chamber (47) is positioned above the neutralization chamber (31), liquid alkali is added into the neutralization chamber (31) by a metering pump (50), the acidity of the washing waste water is neutralized, after the detection value of a PH value sensor (35) reaches 7, the addition is stopped, an electric valve (17) on the neutralization chamber (31) is closed, a first stepping motor (13) drives a liquid storage rotary wheel (5) to rotate, an acid distribution chamber (29) faces upwards, and the electric valve (17) above the acid distribution chamber (29) is opened;
step four: the glue making pipeline (40), the washing pipeline (42) and the glue taking pipeline (43) on the feeding assembly (2) are closed, only the acid bubble pipeline (41) is opened, a proper amount of acid bubble waste liquid is injected into the acid preparing chamber (29) by a pump in the acid bubble pipeline (41) system, after the acid preparing is finished, the second stepping motor (25) drives the rotary drum (22) to rotate, the discharge pipe (26) of the dilute sulfuric acid chamber (46) is positioned above the acid preparing chamber (29), dilute sulfuric acid is added into the acid preparing chamber (29) by the metering pump (50), the mass concentration reaches 3-4.5%, the liquid adding is stopped, the electric valve (17) of the acid preparing chamber (29) is closed, and the liquid storage rotary wheel (5) is driven by the first stepping motor (13) to rotate so that the water preparing chamber (30) faces upwards again;
step five: after rotation, the water in the water distribution chamber (30) is mixed with hot water, at the moment, a waterproof electric control valve (37) at the bottom of the water distribution chamber (30) is opened to enable mixed liquid to enter a discharging cavity (28), and a discharging pump (16) at the front end of the discharging cavity (28) is matched with a washing pipeline (42) on a discharging assembly (18) to recycle the mixed liquid of the water and the hot water as washing liquid for a silica gel washing process;
step six: the first stepping motor (13) drives the liquid storage rotating wheel (5) to rotate, so that the neutralization chamber (31) faces upwards, the internal glue making wastewater, washing wastewater and liquid alkali are mixed into neutral liquid through the rotation effect, at the moment, a waterproof electric control valve (37) at the bottom of the neutralization chamber (31) is opened, so that the mixed liquid enters the discharge cavity (28), and the mixed neutral liquid is used as reuse water for glue making through a glue making pipeline (40) on a discharge assembly (18) matched with a discharge pump (16) at the front end of the discharge cavity (28);
step seven: the first stepping motor (13) drives the liquid storage rotating wheel (5) to rotate, so that the acid distribution chamber (29) faces upwards, after dilute sulfuric acid is added into the acid foam waste water, the concentration of the acid foam waste water returns to the acid foam standard again, at the moment, the waterproof electric control valve (37) at the bottom of the acid distribution chamber (29) is opened, so that the solution enters the discharge cavity (28), the solution is supplied to the acid foam flow again through the acid foam pipeline (41) on the discharge assembly (18) matched with the discharge pump (16) at the front end of the discharge cavity (28), and the circulation treatment of waste water in each link of silica gel production is realized.
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| CA1275069A (en) * | 1984-04-17 | 1990-10-09 | Donald J. Mintz | Separation of dispersed phase from continuous phase |
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| CN110115976A (en) * | 2019-05-10 | 2019-08-13 | 连云港晶明硅胶制品有限公司 | A kind of silica gel production technology |
| CN214060178U (en) * | 2020-12-08 | 2021-08-27 | 福建南平三元循环技术有限公司 | Silica gel effluent disposal system |
| JP7104873B1 (en) * | 2021-03-05 | 2022-07-22 | 生態環境部南京環境科学研究所 | Purification and recovery equipment for high-performance eluent for repairing organic chlorine pesticide-contaminated soil |
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2022
- 2022-10-10 CN CN202211234250.2A patent/CN115448437B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1275069A (en) * | 1984-04-17 | 1990-10-09 | Donald J. Mintz | Separation of dispersed phase from continuous phase |
| CN101613172A (en) * | 2009-07-30 | 2009-12-30 | 江苏八达科技有限公司 | Gravity type sludge dehydration device |
| CN109336220A (en) * | 2018-11-27 | 2019-02-15 | 常州宏大智能装备产业发展研究院有限公司 | Dye-printing desizing waste water PVA extraction element and method |
| CN110115976A (en) * | 2019-05-10 | 2019-08-13 | 连云港晶明硅胶制品有限公司 | A kind of silica gel production technology |
| CN214060178U (en) * | 2020-12-08 | 2021-08-27 | 福建南平三元循环技术有限公司 | Silica gel effluent disposal system |
| JP7104873B1 (en) * | 2021-03-05 | 2022-07-22 | 生態環境部南京環境科学研究所 | Purification and recovery equipment for high-performance eluent for repairing organic chlorine pesticide-contaminated soil |
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