CN113275306B - Dynamic rotational flow active carbon pickling machine - Google Patents
Dynamic rotational flow active carbon pickling machine Download PDFInfo
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- CN113275306B CN113275306B CN202110420921.3A CN202110420921A CN113275306B CN 113275306 B CN113275306 B CN 113275306B CN 202110420921 A CN202110420921 A CN 202110420921A CN 113275306 B CN113275306 B CN 113275306B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/14—Removing waste, e.g. labels, from cleaning liquid; Regenerating cleaning liquids
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/354—After-treatment
- C01B32/378—Purification
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Abstract
The invention discloses a dynamic rotational flow active carbon pickling machine which comprises a rotational flow pickling device, wherein the rotational flow pickling device comprises an outer rotational flow cylinder, an inner rotational flow cylinder, an outer rotational flow washing channel, an inner rotational flow washing channel, a slow flow cylinder, an inner cylinder slow flow cylinder and an active carbon deposition bucket, the upper end of the inner rotational flow cylinder and two ends of the outer rotational flow cylinder are sealed, the inner rotational flow cylinder is sleeved in the outer rotational flow cylinder, the outer rotational flow washing channel is arranged between the outer rotational flow cylinder and the inner rotational flow cylinder, the inner cylinder is arranged in the inner rotational flow cylinder, and the inner rotational flow washing channel is arranged between the inner cylinder and the inner rotational flow cylinder. The invention designs the cyclone acid cleaning device specially for the continuous operation mode, so that the active carbon rolls and moves under the impact of the spiral acid cleaning solution, the active carbon mutually collides and the active carbon collides with an outer spiral washing channel, and the acid cleaning time is shortened; the adoption of the cyclone pickling device not only ensures that the activated carbon is cleaned more thoroughly, but also improves the pickling efficiency and lays a foundation for a continuous operation mode.
Description
Technical Field
The invention relates to the field of production and processing of activated carbon, in particular to activated carbon pickling equipment.
Background
The existing activated carbon pickling equipment is added with pickling solution during pickling work, then added with activated carbon, usually carried out in batches, and after the added activated carbon is washed, the activated carbon and the pickling solution are discharged, and new pickling solution and activated carbon are added again. The other reason that the traditional activated carbon is cleaned for a long time is that the activated carbon is low in density, and after the activated carbon is placed in a pickling solution, the activated carbon floats on the liquid surface, then the activated carbon is settled along with the immersion of the liquid, so that the working time of pickling is greatly prolonged, that is, the defect of low cleaning efficiency is overcome, the activated carbon is not uniformly pickled, the activated carbon after pickling is layered, the pH values of the activated carbon at different levels are different, and the quality and the using effect of the activated carbon are influenced by the activated carbon at different pH values.
For example, the patent document with publication number CN202411032U is disclosed by the national intellectual property office at 09.05.2012, the activated carbon pickling tank of the technology comprises a cylinder body with a liquid outlet at the bottom, a filter plate with filter holes arranged at the lower part in the cylinder body, and a filter layer formed by paving refractory bricks on the upper surface of the filter plate; a partition frame is arranged below the filter plate and comprises more than three spoke plates extending along the radial direction of the cylinder; the cylinder body is made of pv plastic, and an annular wall which is built by refractory bricks and acid-resistant cement and surrounds the cylinder body is arranged on the outer side of the cylinder body; a gap is arranged between the inner wall of the annular wall and the outer wall of the cylinder body. The activated carbon pickling tank adopts a discontinuous operation mode of cleaning one batch and replacing one batch.
For another example, the patent document with publication number CN105152168A is disclosed by the national intellectual property office in 2015, 12 months and 16 days, and a phosphoric acid method activated carbon pickling device comprises a reactor with a cone at the bottom and a cylinder at the upper part, wherein a screen is transversely arranged at the joint of the cone and the cylinder in the reactor, the screen divides the reactor into an upper part and a lower part, a stirring motor is arranged at the top of the reactor, the stirring motor is connected with a stirring device, the stirring device extends into the reactor, a heating device is further arranged in the reactor, the stirring device and the heating device are both positioned on the screen, a feed inlet is further arranged at the top of the reactor, a discharge outlet is arranged on the side wall of the bottom of the reactor cylinder, a plurality of acid inlet is arranged on the side wall of the bottom of the reactor cone, and an acid outlet is arranged on the side wall of the top of the reactor cylinder. The stirring motor is a speed-adjustable motor. The stirring device is at least provided with three groups of stirring paddles, and each group is at least two stirring paddles. The heating device is a steam heating device. The acid inlet is two and is uniformly distributed on the side wall of the bottom of the reactor. An overflow device is also arranged in the acid outlet. The top of the reactor is also provided with a tail gas outlet. The tail gas outlet is externally connected with an acid recovery device. The side wall of the reactor cylinder is also provided with a drain valve. The reactor, the stirring device and the screen are all made of stainless steel.
The patent literature not only adopts a mode of discontinuous operation and has the defect of low cleaning efficiency, but also has serious water resource waste in the cleaning process and does not meet the requirements of energy conservation and environmental protection.
In order to solve the problem of serious water resource waste, the national intellectual property office discloses a patent document with a publication number of CN206103941U in 2017, 04/19.A water circulating device for activated carbon pickling comprises a pickling kettle, a spraying integrated pipe positioned above the pickling kettle, an acid circulating device and a water inlet pipe which are communicated with the spraying integrated pipe, a steam pipe positioned below the pickling kettle, a material receiving groove arranged below the pickling kettle and an electric control module. The acid water circulating device comprises an acid water tank, a pump with one end communicated with the acid water tank and the other end communicated with the spray integrated pipe, and a floating carbon discharge pipe with one end communicated with the middle upper part in the acid washing kettle and the other end communicated with the acid water tank. The pump is provided with a first electric valve on a pipeline communicated with the spray integrated pipe. And the floating carbon discharge pipe pipeline reaches the acid water tank through the floating carbon filtering device. And a second electric valve is arranged on a pipeline communicated with the spray integrated pipe and the water inlet pipe. The pickling cauldron including be located the feed inlet at top, be located the bottom and with the first pipeline of sour water tank intercommunication, with receive the second pipeline and the third pipeline of silo intercommunication. The first pipeline is provided with a third electric valve, the second pipeline is provided with a fourth electric valve, and the third pipeline is provided with a fifth electric valve.
And a plurality of air outlet holes are uniformly formed in the steam pipe. The receiving trough is internally provided with a grid fabric, and the bottom of the receiving trough is provided with a drain pipe. The electronic control module is in electrical communication with the first, second, third, fourth, and fifth electrically operated valves.
Although the patent document CN206103941U solves the problem of water recycling, the addition and discharge of activated carbon still adopt a discontinuous operation mode, and the above-mentioned patent document has the drawback of different working efficiency.
Disclosure of Invention
The invention aims to provide a dynamic rotational flow activated carbon pickling machine, which is used for solving one or more technical problems in the prior art and at least providing a beneficial selection or creation condition.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the dynamic rotational flow active carbon pickling machine comprises a rotational flow pickling device, wherein the rotational flow pickling device comprises an outer rotational flow cylinder, an inner rotational flow cylinder, an outer rotational flow washing channel, an inner rotational flow washing channel, a slow flow cylinder, an inner cylinder slow flow cylinder and an active carbon deposition bucket, the upper end of the inner rotational flow cylinder and two ends of the outer rotational flow cylinder are sealed, the inner rotational flow cylinder is sleeved in the outer rotational flow cylinder, the outer rotational flow washing channel is arranged between the outer rotational flow cylinder and the inner rotational flow cylinder, the inner cylinder is arranged in the inner rotational flow cylinder, the inner rotational flow washing channel is arranged between the inner cylinder and the inner rotational flow cylinder, a feed liquid inlet is arranged at the lower side part of the outer rotational flow cylinder, a feed liquid through hole is arranged at the upper side part of the inner rotational flow cylinder, the inner diameter of the slow flow cylinder gradually increases from the upper end to the lower end, the upper end of the slow flow cylinder is hermetically connected with the lower end of the inner rotational flow cylinder, and the lower end of the slow flow cylinder is hermetically connected with the upper end of the active carbon deposition bucket; the pickling solution mixed with the activated carbon enters an outer spiral washing channel through a mixing solution and flows upwards along the outer spiral washing channel, the activated carbon in the pickling solution rolls, collides, is cleaned and absorbs the pickling solution in the outer spiral washing channel, the activated carbon enters an inner spiral washing channel through a material liquid through hole and flows spirally from top to bottom along the inner spiral washing channel, the activated carbon is deposited downwards into an activated carbon deposition hopper through a slow flow cylinder, and the pickling solution enters an inner cylinder from the lower end of the inner cylinder.
The pickling system further comprises a mixing input pipeline, a pickling solution input pump, an acid solution adding device, an activated carbon adding device, a cyclone pickling device, a pickling solution discharging pipeline, a pickling solution discharging pump, a filter press, a pickling solution collecting tank, a pickling solution backflow pipeline, a pH value sensor, a pickling solution flowmeter, a controller, an activated carbon deposition hopper and a discharger, wherein the acid solution adding device is used for adding acid solution into the mixing input pipeline; the device comprises an active carbon adding device, a pickling solution input pump, an acid solution adding device and an active carbon adding device, wherein the active carbon adding device is used for continuously adding active carbon to be pickled into a mixing input pipeline; one end of the mixing material input pipeline is communicated with a material liquid input port of the cyclone pickling device, one end of the pickling solution discharge pipeline is communicated with the inner cylinder, the other end of the pickling solution discharge pipeline extends into the pickling solution collecting tank, and under the action of the pickling solution discharge pump, the pickling solution in the inner cylinder flows to the filter press through the pickling solution discharge pipeline and flows into the pickling solution collecting tank after being dedusted by the filter press; the one end of pickling solution return line stretches into in the pickling solution collecting pit, the other end of pickling solution return line and the other end intercommunication of compounding input pipeline, pH value sensor and pickling solution flowmeter are installed on pickling solution return line, pH value sensor and pickling solution flowmeter convey the pickling solution pH value and the pickling solution flow information transfer to the controller in the pickling solution return line respectively, the controller adds the acidizing fluid of device to the acidizing fluid and adds the flow control, and control the active carbon addition volume of active carbon interpolation device.
Further, activated carbon adds device, including the hopper, add feed bin and spiral material loading ware and driving motor, add the feed bin and concatenate on the compounding input pipeline, the bin outlet and the feed bin sealing connection at spiral material loading ware top, spiral material loading ware lower extreme is the feed end, the feed end stretches into in the hopper, driving motor and the spiral material loading ware in push away material screwed connection, send into the feed bin through spiral material loading ware, the controller is through the active carbon addition amount of control driving motor's rotational speed in order to regulate and control the activated carbon.
Further, the active carbon adding device also comprises an active carbon conveying belt, and the active carbon conveying belt conveys active carbon into the hopper.
Furthermore, the acid liquor adding device comprises an acid liquor container, a feeding box, an acid liquor conveying pipe, a pump and a flowmeter, wherein the feeding box is connected in series on a mixing input pipeline, one end of the acid liquor conveying pipe is hermetically connected with the feeding box, the other end of the acid liquor conveying pipe is communicated with the acid liquor container, the pump and the flowmeter are installed on the acid liquor conveying pipe, the flowmeter transmits acid liquor flow information in the acid liquor conveying pipe to the controller, and the controller controls the acid liquor adding flow by controlling the rotating speed of the pump.
Furthermore, the lower section of the inner cylinder is a flaring flow guide section, and the taper of the flaring flow guide section is smaller than that of the slow flow cylinder. The design not only can ensure the original increase space of slow flow section of thick bamboo, play the effect that reduces the buffering, but also can play the effect of water conservancy diversion to the feed liquid, with the inner wall that the active carbon direction active carbon deposit was fought, make the active carbon subside along the inner wall that the active carbon deposit was fought.
Furthermore, an active carbon filter screen is arranged in the flaring diversion section. The activated carbon filter screen is additionally arranged to play a role in blocking the activated carbon, so that the activated carbon can be ensured not to be pumped away along with the pickling solution.
Further, the activated carbon is coal columnar activated carbon.
Furthermore, an electrode net is arranged in the pickling solution collecting tank, the electrode net divides the pickling solution collecting tank into a left part and a right part, the electrode net is used for removing heavy metal ions in the pickling solution, and a discharge port of a pickling solution discharge pipeline and a solution inlet port of a pickling solution return pipeline are located on two sides of the electrode net. The pickling solution is dedusted, and then heavy metal ions are removed, so that the pickling solution can be recycled and is not discharged as wastewater.
Furthermore, the discharger comprises a discharge cylinder, a blanking hopper, a material pushing spiral and a motor, the lower end of the discharge cylinder is closed, the upper end of the discharge cylinder is hermetically connected with an activated carbon discharge port at the lower end of the activated carbon deposition hopper, the blanking hopper is arranged at a discharge port on the side wall of the discharge cylinder, the material pushing spiral is arranged in the discharge cylinder, and the lower end of the material pushing spiral extends out of the discharge cylinder and is connected with the motor. The active carbon in the active carbon deposition hopper can be discharged by using the pushing spiral in the discharger.
Furthermore, the PH value sensor adopts a PH-BTA type sensor; the pickling solution flowmeter adopts an electromagnetic flowmeter; the controller is a DLP type controller.
The invention has the beneficial effects that:
the invention designs the cyclone acid cleaning device specially for the continuous operation mode, an outer spiral washing channel and an inner spiral washing channel are arranged in the cyclone acid cleaning device, feed liquid spirally flows from bottom to top in the outer spiral washing channel, so that the active carbon rolls and moves under the impact of the spiral acid cleaning liquid, the active carbon mutually collides and collides with the outer spiral washing channel, the acid cleaning effect of the active carbon is greatly improved, the active carbon can fully absorb the acid cleaning liquid in the movement of the outer spiral washing channel, and the density of the liquid absorption active carbon is greater than that of the acid cleaning, so that the acid cleaning time is further shortened; the imbibed active carbon moves from top to bottom through the internal spiral washing channel, the active carbon is continuously washed by rotational flow impact, after the imbibed active carbon enters the slow flow cylinder through the internal spiral washing channel, the rotational flow impact is relieved due to the enlargement of the cavity, at the moment, the active carbon begins to settle and gradually deposits in the active carbon deposition bucket, the pickling solution is pumped away by the pickling solution discharge pipeline, the rotational flow pickling device is adopted, the active carbon is more thoroughly cleaned, the pickling efficiency is also improved, and a foundation is laid for a continuous operation mode;
according to the invention, the pickling solution input pump, the acid solution adding device and the activated carbon adding device are in a continuous operation mode, so that the pickling capacity of large-scale operation is realized, the working efficiency is improved, the pickling of the activated carbon is more uniform, and the problem of inconsistent pH value of the activated carbon is solved. The continuous operation is combined with the pickling solution circulating system, the discharge of waste water is avoided, water resources are fully utilized, the pickling cost is reduced, and the requirements of energy conservation and environmental protection are completely met;
according to the invention, the addition of the acid liquor adding device and the activated carbon adding device is regulated and controlled by the controller, so that the closed-loop automatic regulation and control of the concentrations of the activated carbon and the pickling solution can be realized, the number of workers is greatly reduced, the situation that the conventional pickling work needs a plurality of persons is changed, the operation is greatly facilitated, the labor is saved, the pickling cost is greatly reduced, and the market competitiveness is improved.
Drawings
The invention is further described with the aid of the accompanying drawings, in which the embodiments do not constitute any limitation, and for a person skilled in the art, without inventive effort, further drawings may be obtained from the following figures:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the cyclone pickling apparatus shown in FIG. 1;
FIG. 3 is a schematic view of the internal structure of the inner cyclone casing shown in FIG. 2;
FIG. 4 is a schematic structural view of the activated carbon adding apparatus shown in FIG. 1;
FIG. 5 is a schematic structural diagram of the acid liquid adding device shown in FIG. 1;
FIG. 6 is a schematic view of the configuration of the discharger shown in FIG. 1;
FIG. 7 is a schematic diagram of a plurality of cyclone pickling apparatus connections.
In the figure: 1. a mixed material input pipeline; 2. the pickling solution is input into a pump; 3. an acid liquor adding device; 4. an activated carbon adding device; 5. a cyclone pickling device; 6. a pickle liquor discharge pipeline; 7. a pickle liquor discharge pump; 8. a filter press; 9. a pickle liquor collection tank; 10. a pickling solution return line; 11. a pH value sensor; 12. a flow meter of pickling solution; 13. a controller; 14. an activated carbon deposition hopper; 15. a discharger; 16. an electrode mesh; 18. an outer cyclone cylinder; 19. an inner cyclone cylinder; 20. an external spiral washing channel; 21. an internal spiral washing channel; 22. a slow flow cylinder; 23. an inner barrel; 24. a feed liquid input port; 25. a feed liquid through hole; 26. a flaring and flow guiding section; 27. an active carbon filter screen; 28. a hopper; 29. a feeding bin; 30. a spiral feeder; 31. a drive motor; 32. an activated carbon conveyor belt; 33. an acid liquor container; 34. a feed box; 35. an acid liquor conveying pipe; 36. a pump; 37. a flow meter; 38. a discharge cylinder; 39. feeding a hopper; 40. pushing material to spiral; 41. a motor; 42. a pipeline; 43. and (4) a liquid pump.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it is to be noted that the embodiments and features of the embodiments of the present application can be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper surface", "lower surface", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "forward", "reverse", "axial", "radial", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
As shown in fig. 1, 2 and 3, a dynamic rotational flow activated carbon pickling machine comprises a mixing input pipeline 1, a pickling solution input pump 2, an acid solution adding device 3, an activated carbon adding device 4, a rotational flow pickling device 5, a pickling solution discharging pipeline 6, a pickling solution discharging pump 7, a filter press 8, a pickling solution collecting tank 9, a pickling solution backflow pipeline 10, a PH sensor 11, a pickling solution flowmeter 12, a controller 13 and a discharger 15, wherein the acid solution adding device 3 is used for adding acid solution into the mixing input pipeline; the activated carbon adding device 4 is used for continuously adding activated carbon to be pickled into the mixing input pipeline, the pickling solution input pump 2, the acid solution adding device 3 and the activated carbon adding device 4 are sequentially connected onto the mixing input pipeline 1 in series, and the pickling solution discharge pump 7 and the filter press 8 are connected onto the pickling solution discharge pipeline 6 in series; an electrode net 16 is arranged in the pickling solution collecting tank 9, the pickling solution collecting tank 9 is divided into a left part and a right part by the electrode net 16, the electrode net 16 is used for removing heavy metal ions in the pickling solution, and a discharge port of the pickling solution discharge pipeline 6 and a solution inlet port of the pickling solution return pipeline 10 are positioned on two sides of the electrode net 16.
The cyclone pickling device 5 comprises an outer cyclone cylinder 18, an inner cyclone cylinder 19, an outer cyclone washing channel 20, an inner cyclone washing channel 21, a slow cyclone cylinder 22, an active carbon deposition bucket 14, a slow cyclone cylinder 22 and an inner cylinder 23, wherein the upper end of the inner cyclone cylinder 19 and two ends of the outer cyclone cylinder 18 are sealed, the inner cyclone cylinder 19 is sleeved in the outer cyclone cylinder 18, the outer cyclone washing channel 20 is arranged between the outer cyclone cylinder 18 and the inner cyclone cylinder 19, the inner cylinder 23 is arranged in the inner cyclone cylinder 19, the inner cyclone washing channel 21 is arranged between the inner cylinder 23 and the inner cyclone cylinder 19, a feed liquid inlet 24 is arranged at the lower side of the outer cyclone cylinder 18, one end of a mixing material inlet pipeline 1 is communicated with the feed liquid inlet 24 of the pickling device, a feed liquid through hole 25 is arranged at the upper side of the inner cyclone cylinder 19, the inner diameter of the slow cyclone cylinder 22 is gradually increased from the upper end to the lower end, the upper end of the slow cyclone cylinder 22 is hermetically connected with the lower end of the inner cyclone cylinder 19, one end of a pickling solution discharge pipeline 6 extends into an inner cylinder 23, the other end of the pickling solution discharge pipeline 6 extends into a pickling solution collection tank 9, the lower end of a slow flow cylinder 22 is hermetically connected with the upper end of an activated carbon deposition bucket 14, a discharger 15 is installed at an activated carbon discharge port at the lower end of the activated carbon deposition bucket 14, pickling solution mixed with activated carbon enters an outer spiral washing channel 20 through a mixed solution and flows upwards along the outer spiral washing channel 20, activated carbon in the pickling solution rolls, impacts, cleans and absorbs pickling solution in the outer spiral washing channel 20, enters an inner spiral washing channel 21 through a solution through hole 25, flows spirally from top to bottom along the inner spiral washing channel 21, the activated carbon is deposited downwards into the activated carbon deposition bucket 14 through the slow flow cylinder 22, the pickling solution enters the inner cylinder 23 from the lower end of the inner cylinder 23, and flows to a filter press 8 through a pickling solution discharge pipeline 6 under the action of a pickling solution discharge pump 7, the ash is removed by the filter press 8 and flows into the pickling solution collecting tank 9. One end of a pickling solution return line 10 extends into the pickling solution collecting tank 9, the other end of the pickling solution return line 10 is communicated with the other end of the mixing input line 1, a PH-BTA type sensor is adopted as the PH value sensor, and an electromagnetic flow meter is adopted as the pickling solution flow meter; the pH value sensor 11 and the pickling solution flowmeter 12 are installed on a pickling solution return pipeline, the pH value sensor 11 and the pickling solution flowmeter 12 respectively transmit the pickling solution pH value and the pickling solution flow information in the pickling solution return pipeline to the controller 13, the controller adopts a DLP type controller, the controller 13 controls the acid solution adding flow of the acid solution adding device 3, and the activated carbon adding amount of the activated carbon adding device 4 is controlled.
The lower section of the inner cylinder 23 is a flaring diversion section 26, the taper of the flaring diversion section 26 is smaller than that of the slow flow cylinder 22, and an activated carbon filter screen 27 is arranged in the flaring diversion section 26.
As shown in fig. 4, the activated carbon adding device includes a hopper 28, a feeding bin 29, a spiral feeder 30, a driving motor 31 and an activated carbon conveyer belt 32, the feeding bin 29 is connected in series to the mixing input pipeline 1, a discharge port at the top of the spiral feeder 30 is connected to the feeding bin 29 in a sealing manner, the lower end of the spiral feeder 30 is a feeding end, the feeding end extends into the hopper 28, the driving motor 31 is connected to a pushing screw in the spiral feeder 30, the activated carbon conveyer belt feeds activated carbon into the hopper, the activated carbon is fed into the feeding bin 28 through the spiral feeder 30, and the controller 13 controls the rotation speed of the driving motor 31 to regulate and control the activated carbon adding amount of the activated carbon, wherein the activated carbon is coal column activated carbon.
As shown in fig. 5, the acid liquid adding device includes an acid liquid container 33, a feeding box 34, an acid liquid conveying pipe 35, a pump 36 and a flow meter 37, wherein the feeding box 34 is connected in series to the mixing material input pipeline 1, one end of the acid liquid conveying pipe 35 is hermetically connected to the feeding box 34, the other end of the acid liquid conveying pipe is communicated with the acid liquid container 33, the pump 36 and the flow meter 37 are installed on the acid liquid conveying pipe 35, the flow meter 37 transmits acid liquid flow information in the acid liquid conveying pipe 35 to the controller 13, and the controller 13 controls the acid liquid adding flow rate by controlling the rotation speed of the pump 36.
As shown in fig. 6, the discharger comprises a discharge cylinder 38, a lower hopper 39, a pushing screw 40 and a motor 41, the lower end of the discharge cylinder 38 is closed, the upper end of the discharge cylinder is hermetically connected with an activated carbon discharge port at the lower end of the activated carbon deposition hopper 14, the lower hopper 39 is arranged at a discharge port on the side wall of the discharge cylinder 38, the pushing screw 40 is arranged in the discharge cylinder 38, and the lower end of the pushing screw 40 extends out of the discharge cylinder 38 and is connected with the motor 41.
It is worth mentioning that, in order to ensure more thorough pickling, more than two cyclone pickling devices 5 can be adopted in the equipment, as shown in fig. 7, the mixing material input pipeline 1 is connected with the feed liquid input port of the first cyclone pickling device, the pickling liquid discharge pipe 6 is communicated with the last cyclone pickling device, then the lower port of the activated carbon deposition bucket 14 in the first cyclone pickling device is connected with the feed liquid input port of the second cyclone pickling device through a pipeline 42, a liquid suction pump 43 is connected in series on the pipeline 42, all the cyclone pickling devices 5 are connected in sequence in this way, the mixed feed liquid passes through the first cyclone pickling device and the second cyclone pickling device in sequence, the activated carbon and the pickling liquid are separated until the last cyclone pickling device 5, the acid pickling time is prolonged in this way, and the pickling is more thorough in continuous operation.
The working principle is as follows: the invention mainly changes the original active carbon static cleaning mode into the active carbon dynamic cleaning mode, the active carbon continuously rolls under the impact of the rotational flow liquid, the friction and extrusion can also occur between the active carbons during the movement, especially in the outer spiral washing channel and the inner spiral washing channel, a certain water pressure exists, because the water pressure is higher than the normal pressure of the traditional cleaning, the speed of the liquid immerging into the active carbon is very fast, when the active carbon passes through the outer spiral washing channel from bottom to top, basically the liquid can quickly fill the gap in the active carbon, thus not only being beneficial to the thorough cleaning of the active carbon, but also being beneficial to the sedimentation of the active carbon. The traditional activated carbon cleaning is long in service time due to another reason that: the density of active carbon is little, needs the process of an immersion fluid imbibition, because the active carbon all floats on the liquid level before the imbibition, after the active carbon absorbs full liquid, the proportion of active carbon will be greater than the proportion of liquid, and the active carbon just no longer floats, and this patent equipment does not have floating problem, is under the impact of whirl liquid, just can with the pickle intensive mixing to the time that the active carbon absorbed full liquid has been shortened greatly. The invention is suitable for cleaning coal columnar activated carbon and granular activated carbon, and is particularly mainly used for cleaning the coal columnar activated carbon.
The invention can realize continuous cleaning operation by adopting the specially designed cyclone acid cleaner, the cleaned active carbon can be continuously input, the cleaned active carbon can be continuously discharged, and acid liquor can be dynamically added according to the PH value of the acid cleaning solution.
In order to recycle the pickling solution, the used pickling solution is firstly deashed, then the heavy metal ions in the pickling solution are removed, and finally the pH value of the pickling solution is regulated, so that the water resource is recycled, the production cost is reduced, and the pollution of waste water to the environment is avoided;
the operation is carried out under the regulation and control of the controller, the operation is convenient, compared with the traditional process, the number of workers is greatly reduced, and the labor cost is greatly reduced.
This patent washs the environment invariable, and the controller regulation and control is accurate to ensure every coal matter column active carbon, can both obtain thorough washing, the PH value to the active carbon after the washing has the uniformity, has solved the inconsistent problem of active carbon PH value that current cleaning equipment exists.
Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction. Although embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A dynamic rotational flow active carbon pickling machine is characterized in that: the device comprises a cyclone pickling device, wherein the cyclone pickling device comprises an outer cyclone cylinder, an inner cyclone cylinder, an outer cyclone washing channel, an inner cylinder, a slow flow cylinder and an active carbon deposition bucket, the upper end of the inner cyclone cylinder and two ends of the outer cyclone cylinder are sealed, the inner cyclone cylinder is sleeved in the outer cyclone cylinder, the outer cyclone washing channel is arranged between the outer cyclone cylinder and the inner cyclone cylinder, the inner cylinder is arranged in the inner cyclone cylinder, the inner cyclone washing channel is arranged between the inner cylinder and the inner cyclone cylinder, the side lower part of the outer cyclone cylinder is provided with a feed liquid inlet, the side upper part of the inner cyclone cylinder is provided with a feed liquid through hole, the slow flow cylinder is gradually enlarged from the upper end to the lower end, the upper end of the slow flow cylinder is hermetically connected with the lower end of the inner cyclone cylinder, and the lower end of the slow flow cylinder is hermetically connected with the upper end of the active carbon deposition bucket; the pickling solution mixed with the activated carbon enters an outer spiral washing channel through a mixing solution and flows upwards along the outer spiral washing channel, the activated carbon in the pickling solution rolls, collides, is cleaned and absorbs the pickling solution in the outer spiral washing channel, enters an inner spiral washing channel through a material liquid through hole, spirally flows from top to bottom along the inner spiral washing channel, the activated carbon is downwards deposited into an activated carbon deposition hopper through a slow flow cylinder, and the pickling solution enters an inner cylinder from the lower end of the inner cylinder; the cyclone pickling device is provided with more than two cyclone pickling devices, the lower port of the active carbon deposition bucket in the first cyclone pickling device is connected with the feed liquid input port of the second cyclone pickling device through a pipeline, a liquid pump is connected on the pipeline in series, the cyclone pickling devices are connected in sequence according to the mode, the mixing input pipeline is connected with the feed liquid input port of the first cyclone pickling device, and one end of the pickling liquid discharge pipeline is communicated with the inner barrel of the last cyclone pickling device.
2. The dynamic cyclone activated carbon pickling machine according to claim 1, characterized in that: the device comprises a pickling solution input pump, an acid solution adding device, an active carbon adding device, a cyclone pickling device, a pickling solution discharge pump, a filter press, a pickling solution collecting tank, a pickling solution backflow pipeline, a pH value sensor, a pickling solution flowmeter, a controller and a discharger, wherein the acid solution adding device is used for adding acid solution into a mixed material input pipeline; the device comprises an active carbon adding device, a pickling solution input pump, an acid solution adding device and an active carbon adding device, wherein the active carbon adding device is used for continuously adding active carbon to be pickled into a mixing input pipeline; the other end of the pickling solution discharge pipeline extends into the pickling solution collecting pool, and under the action of the pickling solution discharge pump, pickling solution in the inner cylinder flows to the filter press through the pickling solution discharge pipeline, is subjected to ash removal through the filter press and then flows into the pickling solution collecting pool; one end of the pickling solution backflow pipeline extends into the pickling solution collecting tank, and the other end of the pickling solution backflow pipeline is communicated with the other end of the mixing input pipeline; the pH value sensor and the pickling solution flowmeter are installed on a pickling solution return pipeline, the pH value sensor and the pickling solution flowmeter respectively transmit the information of the pH value and the flow rate of the pickling solution in the pickling solution return pipeline to the controller, and the controller controls the acid solution adding flow rate of the acid solution adding device and controls the active carbon adding amount of the active carbon adding device.
3. The dynamic cyclone activated carbon pickling machine according to claim 2, characterized in that: activated carbon adds device, including the hopper, add feed bin and spiral material loading ware and driving motor, add the feed bin and concatenate on the compounding input pipeline, the bin outlet and the feed bin sealing connection at spiral material loading ware top, the spiral material loading ware lower extreme is the feed end, the feed end stretches into in the hopper, and driving motor pushes away material screwed connection in with the spiral material loading ware, in the feed bin was sent into to the material loading ware through the spiral, the controller passes through the active carbon addition amount of control driving motor's rotational speed in order to regulate and control the activated carbon.
4. The dynamic cyclone activated carbon pickling machine according to claim 3, characterized in that: the activated carbon adding device further comprises an activated carbon conveying belt, and the activated carbon conveying belt conveys activated carbon into the hopper.
5. The dynamic cyclone activated carbon pickling machine as claimed in claim 2, wherein: the acid liquor adding device comprises an acid liquor container, a feeding box, an acid liquor conveying pipe, a pump and a flowmeter, wherein the feeding box is connected in series on a mixing input pipeline, one end of the acid liquor conveying pipe is hermetically connected with the feeding box, the other end of the acid liquor conveying pipe is communicated with the acid liquor container, the pump and the flowmeter are installed on the acid liquor conveying pipe, the flowmeter transmits acid liquor flow information in the acid liquor conveying pipe to a controller, and the controller controls the rotation speed of the pump to regulate and control acid liquor adding flow.
6. The dynamic cyclone activated carbon pickling machine according to claim 2, characterized in that: the lower section of the inner cylinder is a flaring flow guide section, and the taper of the flaring flow guide section is smaller than that of the slow flow cylinder.
7. The dynamic cyclone activated carbon pickling machine according to claim 6, characterized in that: an active carbon filter screen is arranged in the flaring diversion section; the active carbon is coal columnar active carbon.
8. The dynamic cyclone activated carbon pickling machine according to claim 2, characterized in that: the pickling solution collecting tank is internally provided with an electrode net, the electrode net divides the pickling solution collecting tank into a left part and a right part, the electrode net is used for removing heavy metal ions in the pickling solution, and a discharge port of a pickling solution discharge pipeline and a solution inlet port of a pickling solution return pipeline are positioned on two sides of the electrode net.
9. The dynamic cyclone activated carbon pickling machine according to claim 2, characterized in that: the discharger comprises a discharging cylinder, a discharging hopper, a pushing spiral and a motor, wherein the lower end of the discharging cylinder is closed, the upper end of the discharging cylinder is hermetically connected with an active carbon discharge port at the lower end of an active carbon deposition hopper, the discharging hopper is arranged at a discharge port on the side wall of the discharging cylinder, the pushing spiral is arranged in the discharging cylinder, and the lower end of the pushing spiral extends out of the discharging cylinder and is connected with the motor.
10. The dynamic cyclone activated carbon pickling machine according to claim 2, characterized in that: the PH value sensor adopts a PH-BTA type sensor; the pickling solution flowmeter adopts an electromagnetic flowmeter; the controller adopts a DLP type controller.
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| CN114471499A (en) * | 2022-02-07 | 2022-05-13 | 天津天一爱拓科技有限公司 | High-efficiency regeneration system and method for high-salt-content wood powder activated carbon |
| CN115415224B (en) * | 2022-09-01 | 2024-03-22 | 山西华青环保股份有限公司 | Pressure-resistant and heat-resistant phosphoric acid method activated carbon pickling device |
| CN116239119B (en) * | 2022-12-30 | 2024-03-08 | 广东韩研活性炭科技股份有限公司 | Efficient rinsing equipment for activated carbon production and rinsing method thereof |
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