CN112429414B - Automatic sodium carbonate adding system - Google Patents
Automatic sodium carbonate adding system Download PDFInfo
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- CN112429414B CN112429414B CN202011260900.1A CN202011260900A CN112429414B CN 112429414 B CN112429414 B CN 112429414B CN 202011260900 A CN202011260900 A CN 202011260900A CN 112429414 B CN112429414 B CN 112429414B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/54—Large containers characterised by means facilitating filling or emptying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/54—Large containers characterised by means facilitating filling or emptying
- B65D88/64—Large containers characterised by means facilitating filling or emptying preventing bridge formation
- B65D88/70—Large containers characterised by means facilitating filling or emptying preventing bridge formation using fluid jets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/74—Large containers having means for heating, cooling, aerating or other conditioning of contents
- B65D88/744—Large containers having means for heating, cooling, aerating or other conditioning of contents heating or cooling through the walls or internal parts of the container, e.g. circulation of fluid inside the walls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/48—Arrangements of indicating or measuring devices
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Abstract
The invention discloses an automatic sodium carbonate adding system, and belongs to the technical field of sodium carbonate solution preparation. The technical scheme is as follows: the system comprises a tank car, a storage bin, a plurality of preparation tanks and a controller, wherein sodium carbonate powder is filled in the tank car, a compressed air source inlet of the tank car is connected with a compressed air source supply device through a pipeline, and a powder outlet of the tank car is connected with a powder inlet of the storage bin through a pipeline; the top of preparation jar is provided with inlet pipe and feed liquor pipe, and the bottom is provided with the drain pipe. The invention realizes the automation of the unloading process of the powder tank truck, the material taking process of the storage bin, the preparation of the sodium carbonate solution and the solution output process, the continuous feeding and the reliable/controllable feeding amount, greatly reduces the labor intensity of workers and improves the working efficiency.
Description
Technical Field
The invention relates to the technical field of sodium carbonate addition, in particular to an automatic sodium carbonate addition system.
Background
The sodium carbonate feeding continuity of the desulfurization section is strong, the labor intensity of workers is high, and the field dust pollution is large. In order to reduce labor intensity, improve working efficiency and improve working environment, an automatic sodium carbonate adding device which is simple to operate, can continuously add sodium carbonate and is reliable/controllable in adding amount is needed.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the automatic sodium carbonate adding system overcomes the defects of the prior art, realizes the automation of the processes of powder tank car unloading, material taking by a bin, sodium carbonate solution preparation and solution output, has continuous adding and reliable/controllable adding amount, greatly reduces the labor intensity of workers and improves the working efficiency.
The technical scheme of the invention is as follows:
the automatic sodium carbonate adding system comprises a tank car, a storage bin, a plurality of preparation tanks and a controller, wherein sodium carbonate powder is filled in the tank car, a compressed air source inlet of the tank car is connected with a compressed air source supply device through a pipeline, and a powder outlet of the tank car is connected with a powder inlet of the storage bin through a pipeline; the top of the preparation tank is provided with a feed pipe and a liquid inlet pipe, and the bottom of the preparation tank is provided with a liquid outlet pipe; a spiral conveyor is arranged between a powder outlet of the storage bin and a feeding pipe of the preparation tank, the preparation tank is provided with a stirring mechanism, a heating coil is arranged at the lower part in the preparation tank, and a heating medium inlet and a heating medium outlet of the heating coil are positioned outside the preparation tank; the feeding pipe is provided with an automatic gate valve and a rotary discharging valve, and the automatic gate valve is positioned above the rotary discharging valve; the feeding pipe is also provided with an air blowing pipe and a water injection pipe which are positioned below the automatic gate valve; and valves are respectively arranged on the pipelines of the tank car and the compressed air source supply equipment, the pipelines between the tank car and the storage bin, the liquid inlet pipe and the liquid outlet pipe of the preparation tank, the gas blowing pipe and the water injection pipe, and the valves, the screw conveyor, the stirring mechanism, the automatic gate valve and the rotary blanking valve are respectively electrically connected with the controller.
Preferably, the bottom of the storage bin is provided with an arch breaking machine, and the arch breaking machine is electrically connected with the controller.
Preferably, the upper part, the middle part and the lower part of the storage bin are respectively provided with a rotation-resistant material level meter which is electrically connected with the controller.
Preferably, the feed bin and the feeding pipe are provided with air hammers which are electrically connected with the controller.
Preferably, the top of preparation jar is provided with the dust removal passageway, and the intussuseption of dust removal passageway is filled with the dust removal cotton net, and the top of dust removal passageway is provided with the air exhauster, and the air exhauster is connected with the controller electricity.
Preferably, the upper part in the preparation tank is provided with a spraying coil pipe, the spraying coil pipe is provided with a plurality of nozzles, and a water inlet of the spraying coil pipe is positioned outside the preparation tank.
Preferably, an air seal is arranged between the spiral conveyor and the feeding pipe.
Preferably, the heating device also comprises a liquid storage tank, wherein the liquid storage tank is provided with a stirring mechanism, the lower part in the liquid storage tank is provided with a heating coil, and a heating medium inlet and a heating medium outlet of the heating coil are positioned outside the liquid storage tank; the liquid outlet pipe of the preparation tank is connected with the liquid inlet of the liquid storage tank through a pipeline, and the preparation tank and the liquid storage tank are provided with valves on the pipeline, and the valves are electrically connected with the controller.
Preferably, an electromagnetic flowmeter is arranged on the liquid inlet pipe, a differential pressure liquid level meter and a temperature sensor are arranged on the preparation tank, and the electromagnetic flowmeter, the differential pressure liquid level meter and the temperature sensor are respectively and electrically connected with the controller.
Preferably, a pressure sensor and a pressure relief valve are arranged in the storage bin, and the pressure sensor is electrically connected with the controller.
Compared with the prior art, the invention has the following beneficial effects:
1. the system realizes the automation of the unloading process of the powder tank truck, the material taking process of the storage bin, the preparation of the sodium carbonate solution and the solution output process, has continuous feeding and reliable/controllable feeding amount, greatly reduces the labor intensity of workers and improves the working efficiency.
2. According to the invention, the problem of powder hardening of the feeding pipe of the preparation tank can be solved through the air blowing pipe and the water injection pipe.
3. The preparation tank and the liquid storage tank are both provided with the heating coils, so that the low-temperature crystallization and precipitation of sodium carbonate can be prevented.
4. The rotary-resisting material level indicator is arranged on the storage bin and is provided with the air hammer, so that cavities in the storage bin can be prevented; meanwhile, the air hammer on the feeding pipe of the preparation tank can ensure smooth and stable feeding. The pressure sensor and the pressure relief valve in the storage bin can realize multiple pressure explosion prevention, so that no dust pollution is generated.
5. According to the invention, the dust removal channel, the dust removal cotton net and the exhaust fan are arranged at the top of the preparation tank, so that gas-powder separation can be realized, the efficiency reaches above 99%, and the dust removal problem of the storage bin can be properly solved.
6. According to the invention, the spraying coil pipe is arranged in the preparation tank, so that powder on the inner wall of the preparation tank can be sprayed, dust in the preparation tank can be pressed, the powder at the bottoms of the preparation tank and the feeding pipe can be washed off, and the powder can be prevented from hardening.
7. The system is provided with a plurality of preparation tanks, so that gapless liquid preparation can be realized under the condition that liquid preparation is not influenced mutually, and meanwhile, the solution prepared by the preparation tanks can be directly conveyed to a production line or prestored in a storage tank.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural diagram of the silo of the invention.
FIG. 3 is a schematic view of the construction of the preparation tank of the present invention.
In the figure, 1-tank car, 2-stock bin, 3-preparation tank, 4-feeding pipe, 5-liquid outlet pipe, 6-screw conveyer, 7-stirring mechanism, 8-automatic gate valve, 9-rotary blanking valve, 10-valve, 11-arch breaking machine, 12-rotation-resisting type material level meter, 13-air hammer, 14-dust removing channel, 15-dust removing cotton net, 16-exhaust fan, 17-air seal and 18-liquid storage tank.
Detailed Description
Example 1
As shown in fig. 1-3, the embodiment provides an automatic sodium carbonate adding system, which includes a tank car 1, a storage bin 2, a plurality of preparation tanks 3 and a controller, wherein sodium carbonate powder is filled in the tank car 1, a compressed air source inlet of the tank car 1 is connected with a compressed air source supply device through a pipeline, and a powder outlet of the tank car 1 is connected with a powder inlet of the storage bin 2 through a pipeline; the top of the preparation tank 3 is provided with a feed pipe 4 and a liquid inlet pipe, and the bottom is provided with a liquid outlet pipe 5; a spiral conveyor 6 is arranged between a powder outlet of the stock bin 2 and a feeding pipe 4 of the preparation tank 3, the preparation tank 3 is provided with a stirring mechanism 7, a heating coil is arranged at the lower part in the preparation tank 3, and a heating medium inlet and a heating medium outlet of the heating coil are positioned outside the preparation tank 3; the feeding pipe 4 is provided with an automatic gate valve 8 and a rotary blanking valve 9, and the automatic gate valve 8 is positioned above the rotary blanking valve 9; the feeding pipe 4 is also provided with an air blowing pipe and a water injection pipe which are positioned below the automatic gate valve 8; and the pipeline of the tank car 1 and the compressed air source supply equipment, the pipeline between the tank car 1 and the storage bin 2, the liquid inlet pipe and the liquid outlet pipe 5 of the preparation tank 3, the gas blowing pipe and the water injection pipe are respectively provided with a valve 10, and the valve 10, the screw conveyor 6, the stirring mechanism 7, the automatic gate valve 8 and the rotary blanking valve 9 are respectively electrically connected with the controller.
The stirring mechanism 7 of this embodiment adopts a structure of a motor, a speed reducer, and a stirring shaft with stirring blades, and this kind of stirring mechanism 7 is a commonly used technical means in the field, and therefore the specific structure thereof is not described herein again; the tank car 1, the screw conveyor 6, the automatic gate valve 8 and the rotary blanking valve 9 are all existing products and can be purchased in the market. The controller adopts a PLC controller of Siemens.
The working principle is as follows:
except for the valves 10 on the gas blowing pipe and the water injection pipe, other valves 10, the screw conveyer 6, the stirring mechanism 7, the automatic gate valve 8 and the rotary discharging valve 9 are opened through the controller, at the moment, a compressed gas source presses the sodium carbonate powder in the tank car 1 into the storage bin 2, and the powder in the storage bin 2 is conveyed to the feeding pipe 4 of each preparation tank 3 through the screw conveyer 6. Meanwhile, purified water or condensed water or desulfurization liquid is injected into the preparation tank 3 through a liquid inlet pipe to be used as a solvent for dissolving the sodium carbonate powder.
High-temperature steam with the temperature of about 120 ℃ is introduced into the preparation tank 3 through the heating coil, the stirring mechanism 7 is used for stirring and dissolving sodium carbonate powder and a solvent under the heating action of the heating coil, and the obtained sodium carbonate solution is pumped out of the liquid outlet pipe 5 of the preparation tank 3 to a production line for production and use.
When the feeding is finished, the controller closes each valve 10, the screw conveyer 6 and the automatic gate valve 8, keeps the rotary blanking valve 9 and the stirring mechanism 7 to continue to operate, opens the valves 10 on the air blowing pipe and the water injection pipe, blows air and injects water into the feeding pipe 4 of the preparation tank 3, and therefore powder adhered to the pipe wall of the feeding pipe 4 and the rotary blanking valve 9 is flushed into the preparation tank 3. The controller then closes the valve 10 on the water injection pipe to stop the water wash and continues to blow air into the feed pipe 4 until the walls of the feed pipe 4 and the water on the rotary discharge valve 9 are dried, and then closes the rotary discharge valve 9.
In the embodiment, air and water are blown into the feeding pipe 4, so that powder adhered to the pipe wall of the feeding pipe 4 and the rotary blanking valve 9 is blown off, and then the pipe wall of the feeding pipe 4 and the water on the rotary blanking valve 9 are dried, so that the powder can be prevented from hardening on the feeding pipe 4 and the rotary blanking valve 9, blocking the feeding pipe 4 and influencing feeding.
A plurality of preparation jars 3 of this example can add water, feeding simultaneously, and the preparation does not influence each other.
Example 2
On the basis of the embodiment 1, the bottom of the storage bin 2 is provided with an arch breaker 11, the arch breaker 11 is electrically connected with a controller, and the arch breaker 11 of the embodiment is purchased from SODIMATE (sodamame, france).
This embodiment sets up broken machine 11 that encircles in the bottom of feed bin 2, can make 2 baits of feed bin more smooth and easy.
Example 3
On the basis of embodiment 1, the upper portion, the middle part and the lower part of feed bin 2 are provided with respectively and hinder and revolve formula charge level indicator 12, hinder and revolve formula charge level indicator 12 and be connected with the controller electricity, through hindering the volume of powder in the formula charge level indicator 12 control feed bin 2, prevent that the powder is too much or too little and influence production in the feed bin 2 from appearing.
Example 4
On the basis of the embodiment 3, the air hammer 13 is arranged on the stock bin 2 and the feeding pipe 4, and the air hammer 13 is electrically connected with the controller.
The air hammer 13 on the storage bin 2 has the following functions: when the rotary-resistance type material level indicator 12 detects that the storage bin 2 has a cavity, a signal is fed back to the controller, the controller controls the air hammer 13 to be started, the storage bin 2 is vibrated to facilitate discharging, and therefore the cavity is filled.
The air hammer 13 on the feeding pipe 4 has the following functions: in the whole feeding process, the air hammer 13 on the feeding pipe 4 is always in an opening state, so that the feeding pipe 4 generates vibration, and feeding is facilitated to be carried out smoothly.
Example 5
On the basis of the embodiment 1, a dust removal channel 14 is arranged at the top of the preparation tank 3, a dust removal cotton net 15 is filled in the dust removal channel 14, an exhaust fan 16 is arranged at the top of the dust removal channel 14, and the exhaust fan 16 is electrically connected with a controller. Therefore, the dust in the preparation tank 3 can be prevented from being too large, and a dust suppression effect is achieved, so that the problem of large field dust pollution can be solved, and the working environment is improved.
In addition, a negative pressure sensor can be installed between the suction fan 16 and the dust removal fleece 15, which is electrically connected to the controller, and when the negative pressure sensor detects an excessively high negative pressure, it can be concluded that the dust removal channel 14 is blocked.
Example 6
On the basis of the embodiment 1, a spraying coil is arranged at the upper part in the preparation tank 3, a plurality of spray heads are arranged on the spraying coil, and a water inlet of the spraying coil is positioned outside the preparation tank 3.
The direction that sets up of shower nozzle on the spray coil pipe can design as required, if up, down and each angle slope etc to be convenient for spray the powder on 3 inner walls of preparation jar, can suppress the inside dust of preparation jar 3 and wash the powder of preparation jar 3 and inlet pipe 4 bottom down, prevent that the powder from taking place to harden.
Example 7
On the basis of the embodiment 1, the air seal 17 is arranged between the spiral conveyer 6 and the feeding pipe 4, when the air seal 17 is opened during feeding, positive pressure can be formed at the air seal 17, so that high-temperature gas in the preparation tank 3 cannot rise to enter the spiral conveyer, powder falls, dust leakage can be prevented, the problem of large dust pollution on site can be solved, and the working environment is improved.
Example 8
On the basis of the embodiment 1, the heating device also comprises a liquid storage tank 18, wherein the liquid storage tank 18 is provided with a stirring mechanism 7, the lower part in the liquid storage tank 18 is provided with a heating coil, and a heating medium inlet and a heating medium outlet of the heating coil are positioned outside the liquid storage tank 18; the liquid outlet pipe 5 of the preparation tank 3 is connected with the liquid inlet of the liquid storage tank 18 through a pipeline, a valve 10 is arranged on the pipeline of the preparation tank 3 and the liquid storage tank 18, and the valve 10 is electrically connected with the controller. The preparation tank 3 and the liquid storage tank 18 are made of SUS304 stainless steel, and the storage bin 2 is made of carbon steel. After the sodium carbonate solution is prepared, the sodium carbonate solution can be directly added into the production line according to the requirement, or poured into the liquid storage tank 18 through a pouring pump and then added into the production line.
Example 9
On the basis of embodiment 1, an electromagnetic flowmeter is arranged on the liquid inlet pipe, a differential pressure liquid level meter and a temperature sensor are arranged on the preparation tank 3, and the electromagnetic flowmeter, the differential pressure liquid level meter and the temperature sensor are respectively and electrically connected with a controller.
In the embodiment, the preparation tank 3 measures the flow of the liquid inlet through a pipe-section electromagnetic flowmeter and controls the height of the liquid inlet together with a differential pressure liquid level meter; the temperature of the preparation tank 3 was detected by a PT100 temperature sensor, and the temperature in the preparation tank 3 was controlled to 30-50 ℃.
Example 10
On the basis of embodiment 1, a pressure sensor and a pressure relief valve are arranged in the stock bin 2, and the pressure sensor is electrically connected with the controller. When the pressure in the storage bin 2 is close to the working limit value of the pressure relief valve, the pressure sensor feeds back a signal to the controller, the controller controls to close the pipeline valve 10 between the tank car 1 and the storage bin 2, and simultaneously closes the pipeline valve 10 between the tank car 1 and the compressed air source supply equipment, and the feeding to the storage bin 2 is stopped.
Example 11
On the basis of the embodiment 1, a back flushing pipe is arranged at the bottom of the preparation tank 3, a valve 10 is arranged on the back flushing pipe, and the valve 10 is electrically connected with a controller.
And pumping the sodium carbonate solution prepared in the preparation tank 3 out by using a back-flow pump or a feeding pump, wherein a part of residues still remain in the preparation tank 3 after the sodium carbonate solution is completely pumped. At the moment, the controller controls to open the valve 10 on the liquid inlet pipe, purified water or condensed water or desulfurization liquid is injected into the preparation tank 3 again, the sodium carbonate solution with lower concentration is obtained by stirring and dissolving, and then the sodium carbonate solution is pumped out for use. After the pump is finished, the liquid outlet of the preparation tank 3 is closed, the back flushing pipe valve 10 at the bottom of the preparation tank 3 is opened, purified water is injected from bottom to top, and the preparation tank 3 is back flushed, so that no crystallization is generated in the whole production process.
Although the present invention has been described in detail in connection with the preferred embodiments with reference to the accompanying drawings, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. Automatic dosing system of sodium carbonate, its characterized in that:
the device comprises a tank car (1), a storage bin (2), a plurality of preparation tanks (3) and a controller, wherein sodium carbonate powder is filled in the tank car (1), a compressed air source inlet of the tank car (1) is connected with a compressed air source supply device through a pipeline, and a powder outlet of the tank car (1) is connected with a powder inlet of the storage bin (2) through a pipeline;
the top of the preparation tank (3) is provided with a feed pipe (4) and a liquid inlet pipe, and the bottom is provided with a liquid outlet pipe (5); a spiral conveyor (6) is arranged between a powder outlet of the storage bin (2) and a feeding pipe (4) of the preparation tank (3), the preparation tank (3) is provided with a stirring mechanism (7), a heating coil is arranged at the lower part in the preparation tank (3), and a heating medium inlet and a heating medium outlet of the heating coil are positioned outside the preparation tank (3);
an automatic gate valve (8) and a rotary blanking valve (9) are arranged on the feeding pipe (4), and the automatic gate valve (8) is positioned above the rotary blanking valve (9); the feeding pipe (4) is also provided with an air blowing pipe and a water injection pipe, and the air blowing pipe and the water injection pipe are positioned below the automatic gate valve (8);
the pipeline of the tank car (1) and compressed air source supply equipment, the pipeline between the tank car (1) and the storage bin (2), the liquid inlet pipe and the liquid outlet pipe (5) of the preparation tank (3), the gas blowing pipe and the water injection pipe are respectively provided with a valve (10), and the valve (10), the screw conveyor (6), the stirring mechanism (7), the automatic gate valve (8) and the rotary discharging valve (9) are respectively electrically connected with a controller;
a spraying coil pipe is arranged at the upper part in the preparation tank (3), a plurality of spray heads are arranged on the spraying coil pipe, and a water inlet of the spraying coil pipe is positioned outside the preparation tank (3);
an air seal (17) is arranged between the spiral conveyor (6) and the feeding pipe (4);
a back flushing pipe is arranged at the bottom of the preparation tank (3), a valve (10) is arranged on the back flushing pipe, and the valve (10) is electrically connected with the controller.
2. The automatic sodium carbonate dosing system of claim 1, wherein: the bottom of the storage bin (2) is provided with an arch breaking machine (11), and the arch breaking machine (11) is electrically connected with the controller.
3. The automatic sodium carbonate dosing system of claim 1, wherein: the upper part, the middle part and the lower part of the storage bin (2) are respectively provided with a rotation-resistant material level meter (12), and the rotation-resistant material level meter (12) is electrically connected with the controller.
4. The automatic sodium carbonate dosing system of claim 3, wherein: the feed bin (2) and the feeding pipe (4) are provided with an air hammer (13), and the air hammer (13) is electrically connected with the controller.
5. The automatic sodium carbonate dosing system of claim 1, wherein: the top of the preparation tank (3) is provided with a dust removal channel (14), the dust removal channel (14) is filled with a dust removal cotton net (15), the top of the dust removal channel (14) is provided with an exhaust fan (16), and the exhaust fan (16) is electrically connected with a controller.
6. The automatic sodium carbonate dosing system of claim 1, wherein: the heating device also comprises a liquid storage tank (18), wherein the liquid storage tank (18) is provided with a stirring mechanism (7), the lower part in the liquid storage tank (18) is provided with a heating coil, and a heating medium inlet and a heating medium outlet of the heating coil are positioned outside the liquid storage tank (18); the liquid outlet pipe (5) of the preparation tank (3) is connected with the liquid inlet of the liquid storage tank (18) through a pipeline, a valve (10) is arranged on the pipeline of the preparation tank (3) and the liquid storage tank (18), and the valve (10) is electrically connected with the controller.
7. The automatic sodium carbonate dosing system of claim 1, wherein: the liquid inlet pipe is provided with an electromagnetic flowmeter, the preparation tank (3) is provided with a differential pressure liquid level meter and a temperature sensor, and the electromagnetic flowmeter, the differential pressure liquid level meter and the temperature sensor are respectively electrically connected with the controller.
8. The automatic sodium carbonate dosing system of claim 1, wherein: and a pressure sensor and a pressure relief valve are arranged in the storage bin (2), and the pressure sensor is electrically connected with the controller.
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| CN202011260900.1A CN112429414B (en) | 2020-11-12 | 2020-11-12 | Automatic sodium carbonate adding system |
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|---|---|---|---|
| CN202011260900.1A CN112429414B (en) | 2020-11-12 | 2020-11-12 | Automatic sodium carbonate adding system |
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| CN112429414B true CN112429414B (en) | 2022-06-17 |
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