CN118847599B - A quartz sand pickling equipment - Google Patents
A quartz sand pickling equipment Download PDFInfo
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- CN118847599B CN118847599B CN202411336542.6A CN202411336542A CN118847599B CN 118847599 B CN118847599 B CN 118847599B CN 202411336542 A CN202411336542 A CN 202411336542A CN 118847599 B CN118847599 B CN 118847599B
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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
- B08B3/102—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 with means for agitating the liquid
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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
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention relates to the field of quartz sand processing, in particular to quartz sand pickling equipment which comprises a pickling mechanism, a material adding mechanism, a circulating mechanism, a pH adjusting mechanism and a PLC (programmable logic controller), wherein the pickling mechanism comprises a circulating pump, the circulating pump is used for realizing flow conveying in the quartz sand pickling process, the material adding mechanism is used for adding quartz sand into a pickling tank, the circulating mechanism is used for recycling pickling solution, the pH adjusting mechanism is used for adjusting the pH value in the pickling tank, and the PLC is used for controlling the operation of the mechanisms. According to the invention, the mixed liquid in the pickling mechanism continuously flows to avoid quartz sand accumulation, so that the pickling speed is improved, the cyclic utilization of the pickling solution is realized through the circulating mechanism, the production cost is effectively reduced, the pH value of the pickling solution is effectively regulated through the pH regulating mechanism, the pickling efficiency is improved, and the high-efficiency and low-cost operation of the quartz sand pickling process is realized.
Description
Technical Field
The invention relates to the field of quartz sand processing, in particular to quartz sand pickling equipment.
Background
The quartz sand is required to be purified and decontaminated in the processing process of the quartz sand in an acid pickling mode, hydrofluoric acid, hydrochloric acid, pure water and the like are required to be used for mixing and soaking the quartz sand, the mixed solution of the hydrofluoric acid, the hydrochloric acid and the pure water is used for soaking and flushing the surface of the quartz sand so as to remove impurities on the surface of the quartz sand, a pickling solution generated after the acid pickling contains a large amount of acidic substances, and the pickling solution is required to be discharged through a special treatment process, so that a large amount of resources are consumed, and waste of manpower and material resources is caused, and the cyclic utilization of the pickling solution is an effective solution to the problems.
However, due to the difference of impurity components of quartz sand, consumption of active ingredients in pickling solution is different in the pickling process of quartz sand in different batches, so that the consumption of the pickling solution is difficult to control when the pickling solution is recycled.
Moreover, as the consumption of the effective components in the pickling solution, the pickling efficiency of quartz sand is reduced, even the given pickling effect is not achieved, and in the pickling process, the completion degree of pickling is difficult to know by technicians, so that misoperation is easy to occur, and the product quality is affected.
In addition, the traditional quartz sand pickling process is generally carried out in a pickling solution flushing and soaking mode, so that quartz sand is easily accumulated, and the pickling efficiency is reduced.
Disclosure of Invention
In order to solve the technical problems, the invention provides quartz sand pickling equipment which solves the problem of low pickling speed of quartz sand by automatically adjusting the pH value of acid liquor, reduces material consumption by recycling pickling liquor, solves the problems of high production cost and material waste, and solves the problem of low pickling efficiency of quartz sand by increasing effective contact of the pickling liquor and the quartz sand in a flowing flushing mode.
A quartz sand pickling device comprises a pickling mechanism, a feeding mechanism, a circulating mechanism, a pH adjusting mechanism and a PLC.
The pickling mechanism comprises a pickling tank, the feeding mechanism is arranged right above the pickling tank, and the feeding mechanism is used for adding quartz sand into the pickling tank.
The utility model discloses a pickling tank, including pickling tank, acid-base instrument, weighing module, acid-base instrument, liquid level sensor is installed at pickling tank top, liquid level sensor is used for measuring the liquid level in the pickling tank, acid-base instrument is installed to the pickling tank side face, the probe configuration of acid-base instrument is in the pickling tank, the acid-base instrument is used for measuring the pH value of pickling tank internal mix liquid, a plurality of weighing module is installed to the bottom of pickling tank, the weighing module is used for measuring the weight of pickling tank.
The pickling tank is fixed with a second liquid inlet pipe, the second liquid inlet pipe is communicated with the pH adjusting mechanism, and the pH adjusting mechanism is used for adjusting the pH value in the pickling tank.
The pickling tank is fixed with a first liquid inlet pipe, the first liquid inlet pipe is communicated with the circulating mechanism, and the circulating mechanism is used for circulating pickling liquid.
The pickling tank bottom is fixed with the first end of circulation pipeline, the second end of circulation pipeline is fixed with the first port of circulating pump, install switching part on the second port of circulating pump, switching part can respectively with the pickling tank with circulation mechanism communicates, control division is installed at switching part's top, control division is used for switching the intercommunication object of switching part.
The liquid level sensor, the acid-base instrument, the weighing module, the circulating pump, the material adding mechanism, the circulating mechanism and the pH adjusting mechanism are respectively connected with the PLC.
Preferably, the quartz sand pickling equipment comprises the following specific operation steps:
S1, the PLC controls the circulating mechanism to add pickling solution into the pickling tank until the liquid level reaches a preset height value.
S2, the PLC controls the feeding mechanism to add quartz sand into the pickling tank until the total weight of the pickling tank reaches a preset weight value.
S3, an operator communicates the switching part with the pickling tank, and the PLC controls the circulating pump to run forward.
S4, the PLC controls the pH adjusting mechanism to add an acidic reagent into the pickling tank until the pH value in the pickling tank is adjusted to reach a preset pH value.
S5, an operator communicates the switching part with the circulating mechanism, and the PLC controls the circulating pump to reversely operate.
Preferably, the second port of the circulating pump is fixed with the circulating main pipe, and the circulating main pipe is fixed with the middle part of the shunt pipe.
The side wall of the shunt tube is provided with a notch, a sliding pin moving along the notch is arranged in the notch, the sliding pin is fixedly connected with a plug, and the plug is arranged in the shunt tube and moves along the shunt tube.
The plug can be in sealing lap joint with the second branch pipe, the second branch pipe is fixed with the shunt pipe, and the second branch pipe is communicated with the liquid inlet end of the circulating mechanism.
The plug can also be in sealing lap joint with a first branched pipe which is communicated with the pickling tank.
The sliding pin is also fixed with the pipe sleeve, the pipe sleeve is sealed and sleeved outside the shunt pipe and moves along the shunt pipe, and the pipe sleeve seals the notch.
Preferably, the pipe sleeve is fixed with the driving pin, the driving pin is arranged in the guide slot hole and moves along the guide slot hole, the guide slot hole is formed in the driving plate, a plurality of handles are arranged on the driving plate, the driving plate is rotatably arranged in the annular guide rail, and the annular guide rail is fixed with the pickling tank.
Preferably, the feeding mechanism comprises supporting legs and a plurality of supporting legs and a storage bin, the storage bin is located above the pickling tank and is coaxial with the pickling tank, quartz sand is contained in the storage bin, the storage bin is fixed with a first motor through a plurality of mounting brackets, and the first motor is connected with the PLC.
The output end of the first motor is fixed with a plurality of pushing materials, the pushing materials are arranged in the material distributing box and rotate along the material distributing box, the material distributing box is fixed with the material bin, and the bottom of the material distributing box is provided with a plurality of blanking holes.
Preferably, the first liquid inlet pipe is fixed with the reflux main pipe, a delivery pump is installed on the reflux main pipe, the delivery pump is connected with the PLC, the reflux main pipe is fixed with the first liquid outlet pipe, and the first liquid outlet pipe is communicated with the separation barrel.
The ball valve is installed to the separation barrel bottom, separation barrel mid-mounting has the filter layer, the separation barrel is fixed with the third feed liquor pipe, the third feed liquor pipe is fixed with the drainage main pipe, the drainage main pipe is fixed with a plurality of drainage minutes pipe respectively, the drainage minutes pipe with the second minutes pipe is fixed.
Preferably, the second liquid inlet pipe is fixed with the adding pipe, the adding pipe is fixed with the second liquid outlet pipe, the second liquid outlet pipe is fixed and communicated with the charging barrel, the charging barrel is fixed with the second motor, and the second motor is connected with the PLC.
The output end of the second motor is fixed with a screw rod, the screw rod is in threaded connection with a screw rod sleeve, the screw rod sleeve is fixed with a piston, and the piston is arranged in the charging barrel in a sealing way and moves along the charging barrel.
Preferably, the side surface of the circulating pipeline is uniformly fixed and communicated with a plurality of diversion pipelines along the length direction of the circulating pipeline, and each diversion pipeline is fixedly connected and communicated with the pickling tank.
Preferably, the guide slot hole comprises a first arc-shaped section, a connecting section and a second arc-shaped section, the first arc-shaped section is communicated with the connecting section, the connecting section is communicated with the second arc-shaped section, the track shapes of the first arc-shaped section and the second arc-shaped section are circular arcs, the circle centers of the tracks of the first arc-shaped section and the second arc-shaped section coincide, and the track radius of the first arc-shaped section is larger than the track radius of the second arc-shaped section.
Preferably, the profile shape of the distributing box is dish-shaped, and the blanking hole is arranged at the periphery of the bottom of the distributing box.
After the technical scheme is adopted, the invention has the beneficial effects that:
1. The mixed liquid in the pickling process is circulated by adopting the circulating pump, so that the surface of quartz sand is fully contacted with pickling liquid, the pickling effect is better, and the pickling efficiency is higher.
2. Adopt the mode of evenly adding quartz sand material, avoid the piling up of quartz sand in the pickling tank, guarantee the evenly distributed of quartz sand granule in the pickling solution, improve pickling efficiency.
3. The pickling solution is recycled by the recycling mechanism, so that the utilization rate of the pickling solution is improved, and the cost for treating the pickling solution is effectively reduced.
4. The pH value of the pickling solution in the pickling tank is adjusted at any time by utilizing the pH adjusting mechanism, so that the pH value of the pickling solution in the reaction process is kept within a target range, the pickling is promoted to be rapidly carried out, and the pickling efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic diagram of the installation and operation of a quartz sand pickling plant;
FIG. 2 is a front view of the pickling mechanism;
FIG. 3 is a cross-sectional view along the centerline of FIG. 2;
FIG. 4 is an enlarged view of a portion of FIG. 3;
FIG. 5 is an isometric view of the first view of FIG. 2;
FIG. 6 is an enlarged view of a portion of FIG. 5;
FIG. 7 is a partially cut-away perspective view of the feed mechanism;
FIG. 8 is a schematic view of the installation of parts of the circulation mechanism;
fig. 9 is a schematic view showing the installation of parts of the pH adjusting mechanism.
Reference numerals illustrate:
100-acid washing mechanism, 101-acid washing box, 102-liquid level sensor, 103-acid-base instrument, 104-weighing module, 105-circulation pipeline, 106-diversion pipeline, 107-circulation pump, 108-first liquid inlet pipe, 109-second liquid inlet pipe;
110-switching part, 111-main circulation pipe, 112-shunt pipe, 113-notch, 114-sliding pin, 115-plug, 116-pipe sleeve, 117-first branch pipe, 118-second branch pipe;
120-control parts, 121-driving pins, 122-guide slots, 122 a-first arc-shaped sections, 122 b-connecting sections, 122 c-second arc-shaped sections, 123-driving plates, 124-annular guide rails and 125-grab handles;
200-feeding mechanism, 201-supporting leg, 202-stock bin, 203-first motor, 204-mounting bracket, 205-pushing slurry, 206-distributing box and 207-discharging hole;
300-circulation mechanism, 301-return main pipe, 302-delivery pump, 303-first liquid outlet pipe, 304-separation barrel, 305-ball valve, 306-filter layer, 307-third liquid inlet pipe, 308-discharge main pipe, 309-discharge branch pipe;
400-pH adjusting mechanism, 401-adding pipe, 402-second liquid outlet pipe, 403-charging barrel, 404-second motor, 405-screw, 406-screw sleeve, 407-piston;
500-PLC controller.
Detailed Description
Features and exemplary embodiments of various aspects of the present invention will be described in detail below, and in order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and the detailed embodiments. It should be understood that the specific embodiments described herein are merely configured to illustrate the invention and are not configured to limit the invention. It will be apparent to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the invention by showing examples of the invention.
The directional terms appearing in the following description are those directions shown in the drawings and do not limit the specific structure of the invention. In the description of the present invention, it should also be noted that, unless explicitly stated and limited otherwise, the terms "mounted" and "connected" are to be interpreted in a broad sense, and may be, for example, fixedly connected, detachably connected or integrally connected, and may be directly connected or indirectly connected. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.
The embodiment of the invention provides quartz sand pickling equipment, which can improve the pickling speed of quartz sand by automatically adjusting the pH value of pickling solution, reduce material consumption and production cost by recycling the pickling solution, increase the effective contact between the pickling solution and the quartz sand by flowing flushing, improve the pickling effect of the quartz sand, and avoid massive accumulation of the quartz sand and improve the pickling efficiency of the quartz sand by controlling the total amount and uniformly distributing.
Referring to fig. 1, 2 and 3, the quartz sand pickling apparatus includes a pickling mechanism 100, a feeding mechanism 200, a circulation mechanism 300, a pH adjustment mechanism 400 and a PLC controller 500.
The pickling mechanism 100 comprises a pickling tank 101, a feeding mechanism 200 is arranged right above the pickling tank 101, the feeding mechanism 200 is coaxially arranged with the pickling tank 101, and the feeding mechanism 200 is used for uniformly feeding quartz sand materials into the pickling tank 101.
The inner surface fixed mounting at pickling tank 101 top has level sensor 102, and level sensor 102 is used for measuring the liquid level in the pickling tank 101 in real time, and the side-mounting of pickling tank 101 has acid-base instrument 103, and the probe of acid-base instrument 103 passes the lateral wall of pickling tank 101 and disposes in pickling tank 101 in sealed, and acid-base instrument 103 is used for measuring the pH value of the mixed solution in the pickling tank 101 in real time, and weighing module 104 is installed to the bottom of pickling tank 101, and weighing module 104 is used for measuring the weight of pickling tank 101 in real time.
One side of the top of the pickling tank 101 is fixedly connected and communicated with a second liquid inlet pipe 109, the second liquid inlet pipe 109 is connected and communicated with a pH adjusting mechanism 400, and the pH adjusting mechanism 400 is used for conveying an acidic reagent into the pickling tank 101 through the second liquid inlet pipe 109 and adjusting the pH value of pickling solution in the pickling tank 101.
The other side at the top of the pickling tank 101 is fixedly connected and communicated with a first liquid inlet pipe 108, the first liquid inlet pipe 108 is connected and communicated with a liquid outlet end of a circulating mechanism 300, and the circulating mechanism 300 is used for filtering circulation of pickling solution.
The bottom of the side of the pickling tank 101 is fixedly connected and communicated with the first end of the circulating pipeline 105, the second end of the circulating pipeline 105 is fixedly connected with the first port of the circulating pump 107, the second port of the circulating pump 107 is provided with a switching part 110, the switching part 110 can be communicated with the middle part of the pickling tank 101 or the liquid inlet end of the circulating mechanism 300, a control part 120 is arranged above the switching part 110, and the control part 120 is used for changing the communicating object of the switching part 110.
The liquid level sensor 102, the acid-base instrument 103, the weighing module 104, the circulating pump 107, the feeding mechanism 200, the circulating mechanism 300 and the pH adjusting mechanism 400 are respectively connected with the PLC controller 500.
The quartz sand pickling equipment comprises the following specific working steps:
First, the PLC controller 500 controls the circulation mechanism 300 to add the circulating pickling solution into the pickling tank 101 through the first liquid inlet pipe 108, and the liquid level sensor 102 measures the liquid level of the pickling solution in the pickling tank 101 in real time until the liquid level reaches a preset height value, and the PLC controller 500 controls the circulation mechanism 300 to stop continuously adding the circulating pickling solution into the pickling tank 101.
Secondly, the PLC 500 controls the feeding mechanism 200 to uniformly feed the quartz sand material to be pickled into the pickling tank 101, and the weighing module 104 measures the weight of the mixed liquid in the pickling tank 101 in real time until the mixed liquid weight reaches a preset weight value, and the PLC 500 controls the feeding mechanism 200 to stop feeding the quartz sand material into the pickling tank 101.
Then, the operator communicates the switching part 110 with the pickling tank 101 through the operation control part 120, and the PLC controller 500 controls the circulation pump 107 to operate forward, and at this time, the mixed liquid in the pickling tank 101 flows back to the bottom of the pickling tank 101 again through the switching part 110, the circulation pump 107 and the circulation pipeline 105, so that the quartz sand settled at the bottom is flushed upwards to form a flowing situation, so that the pickling effect of the pickling solution on the quartz sand is better.
Again, the acid-base meter 103 measures the pH value of the mixed solution in the pickling tank 101 in real time, and when the pH value is greater than the preset pH value, the PLC controller 500 controls the pH adjusting mechanism 400 to add the acid reagent into the pickling tank 101 through the second liquid inlet pipe 109 until the pH value of the mixed solution in the pickling tank 101 reaches the preset pH value.
Finally, when the pH value of the mixed solution in the pickling tank 101 remains unchanged within the preset time period, it indicates that the pickling of the quartz sand is completed, at this time, the PLC controller 500 controls the circulation pump 107 to rotate reversely, the mixed solution in the pickling tank 101 flows back to the middle part of the pickling tank 101 through the circulation pipe 105, the circulation pump 107 and the switching part 110, at this time, an operator realizes the change of the communication object of the switching part 110 through the control part 120, that is, the switching part 110 is not communicated with the middle part of the pickling tank 101 any more, and the switching part 110 is communicated with the liquid inlet end of the circulation mechanism 300, so that the mixed solution in the pickling tank 101 is conveyed to the circulation mechanism 300, and the separation of the quartz sand and the pickling solution is further realized.
The side of the circulation pipeline 105 is uniformly fixed and communicated with a plurality of diversion pipelines 106 along the length direction of the circulation pipeline, each diversion pipeline 106 is fixedly connected and communicated with the pickling tank 101, and the aim of the structure is to improve the scouring force of pickling liquid on quartz sand and increase the mobility of the quartz sand, so that the pickling efficiency is improved.
The structure body formed by the circulation pipeline 105, the shunt pipeline 106, the circulation pump 107 and the switching part 110 is symmetrically distributed with a plurality of groups about the center of the axis of the pickling tank 101, and aims to realize uniform scouring of quartz sand at the bottom of the pickling tank 101 and improve the flow speed of pickling solution.
Wherein the circulation pump 107 is a reversible pump, thereby realizing the forward and reverse flow of the mixed liquid in the circulation pump 107.
As shown in fig. 4, the switching part 110 includes a main circulation pipe 111, a shunt pipe 112, a notch 113, a sliding pin 114, a plug 115, a sleeve 116, a first branch pipe 117, and a second branch pipe 118, wherein a second port of the circulation pump 107 is fixedly connected and communicated with a first end of the main circulation pipe 111, and a second end of the main circulation pipe 111 is fixedly connected and communicated with a middle part of the shunt pipe 112.
The side wall of the shunt tube 112 far away from the main circulation tube 111 is provided with a notch 113 along the length direction thereof, a sliding pin 114 capable of moving along the notch 113 is arranged in the notch 113, a first end of the sliding pin 114 is fixedly connected with a plug 115, and the plug 115 is arranged in the shunt tube 112 and can reciprocate along the length direction thereof.
The first end of stopper 115 can be with the first end sealing overlap joint of second branch pipe 118, the first end of second branch pipe 118 and the first end fixed connection and the intercommunication of shunt tubes 112, the second end of second branch pipe 118 is connected and the feed liquor end of circulation mechanism 300 is connected and the intercommunication, the second end of stopper 115 can be with the first end sealing overlap joint of first branch pipe 117, the first end of first branch pipe 117 and the second end fixed connection and the intercommunication of shunt tubes 112, the second end of first branch pipe 117 passes the lateral wall in the middle part of pickling tank 101 and the inside intercommunication of pickling tank 101.
The second end of the sliding pin 114 is fixedly connected to the middle of the sleeve 116, the sleeve 116 is sealed and sleeved on the outer side of the shunt 112 and can reciprocate along the length direction of the shunt, and the sleeve 116 always seals and seals the notch 113.
When the first end of the plug 115 is in sealing joint with the first end of the second branch pipe 118, the first branch pipe 117 is communicated with the circulating pump 107 through the shunt pipe 112 and the circulating main pipe 111, and when the second end of the plug 115 is in sealing joint with the first end of the first branch pipe 117, the second branch pipe 118 is communicated with the circulating pump 107 through the shunt pipe 112 and the circulating main pipe 111, so that the communicating object of the circulating pump 107 can be switched by adjusting the position of the plug 115, and the flowing direction of the mixed liquid can be effectively controlled.
The outer diameters of the first branch pipe 117, the second branch pipe 118 and the shunt pipe 112 are equal, the inner diameters of the first branch pipe 117 and the second branch pipe 118 are smaller than the diameter of the plug 115, the diameter of the plug 115 is smaller than the inner diameter of the shunt pipe 112, and in addition, chamfer angles are arranged at two ends of the plug 115, so that the plug 115 can conveniently plug the first branch pipe 117 and the second branch pipe 118.
In order to conveniently realize simultaneous switching of the positions of the plurality of groups of plugs 115, a control part 120 for driving the plugs 115 to reciprocate is arranged above the switching part 110, and as shown in fig. 4, 5 and 6, the control part 120 comprises a driving pin 121, a guide slot 122, a driving plate 123, a circular guide rail 124 and a grab handle 125.
The top of pipe sleeve 116 is fixedly connected with the first end of driving pin 121, and the second end of driving pin 121 disposes in guide slotted hole 122 and can follow its removal, and guide slotted hole 122 is seted up on drive plate 123, and drive plate 123 upper surface is evenly fixed mounting along circumference has a plurality of grab handles 125, and drive plate 123 rotatable mounting is in annular guide rail 124, and annular guide rail 124 and the surface fixed connection of pickling tank 101.
The guide slot 122 includes a first arc segment 122a, a connecting segment 122b, and a second arc segment 122c, where a first end of the first arc segment 122a is communicated with a first end of the connecting segment 122b, a second end of the connecting segment 122b is communicated with a first end of the second arc segment 122c, the track shapes of the first arc segment 122a and the second arc segment 122c are arc, and the centers of the two tracks coincide, and the track radius of the first arc segment 122a is greater than that of the second arc segment 122 c.
The structure body composed of the driving pins 121 and the guide slots 122 is symmetrically distributed in a plurality of groups about the center of the axis of the pickling tank 101, and the number of the groups is equal to the number of the plugs 115.
Wherein the annular guide 124 is arranged coaxially with the pickling tank 101, so that the drive plate 123 remains coaxial with the pickling tank 101, whereby adjustment of the positions of all plugs 115 can be achieved simultaneously when the drive plate 123 is rotated.
When an operator pushes the driving plate 123 to rotate in the annular guide rail 124 through the grab handle 125, the guide slots 122 formed on the driving plate 123 limit the positions of the driving pins 121, and as the distances from the positions of the tracks of the guide slots 122 to the axis of the pickling tank 101 are different, when the driving plate 123 rotates, the plug 115 is driven to move in a direction approaching or separating from the axis of the pickling tank 101, namely, the plug 115 is driven to reciprocate along the length direction of the shunt pipe 112.
When the drive pin 121 is disposed within the first arcuate segment 122a, the plug 115 seals against the second branch tube 118, and when the drive pin 121 is disposed within the second arcuate segment 122c, the plug 115 seals against the first branch tube 117.
In order to avoid material accumulation of quartz sand in the pickling process, the quartz sand is uniformly added through the feeding mechanism 200, and as shown in fig. 1 and 7, the feeding mechanism 200 comprises a supporting leg 201, a storage bin 202, a first motor 203, a mounting bracket 204, a pushing slurry 205, a distributing box 206 and a blanking hole 207.
A plurality of landing legs 201 and feed bin 202 fixed connection, feed bin 202 is located directly over the pickling tank 101 and sets up with the pickling tank 101 is coaxial, hold quartz sand material in the feed bin 202, feed bin 202 passes through a plurality of installing support 204 and first motor 203 fixed connection, first motor 203 is connected with PLC controller 500, the output of first motor 203 evenly is fixed with a plurality of in circumference and pushes away ground paste 205, push away ground paste 205 configuration and can rotate along it in dividing box 206, dividing box 206 and the bottom fixed connection and the intercommunication of feed bin 202, evenly seted up a plurality of unloading hole 207 along its circumference on dividing box 206's the bottom plate.
The track shape of the pushing slurry 205 is arc, and when the pushing slurry 205 rotates, the quartz sand material in the middle of the material distributing box 206 can be pushed to be flattened outwards along the upper surface of the bottom plate of the material distributing box 206, so that the quartz sand uniformly falls down through the blanking holes 207.
The profile shape of the bin 202 is in an inverted cone shape, so that materials in the bin 202 are converged at the center of the bin, when the pushing slurry 205 rotates, quartz sand in the middle is smoothly pushed to slide outwards, and blanking is achieved, otherwise, when the pushing slurry 205 does not rotate, the quartz sand in the bin 202 cannot slide outwards, and therefore accurate control of the material addition is achieved.
In order to further control the adding precision of the materials, the profile shape of the distributing box 206 is set to be a disc shape, that is, the level of the central position of the distributing box 206 is lower than the level of the peripheral position of the distributing box 206, and the opening position of the discharging hole 207 is located at the peripheral position of the distributing box 206, which has the effect that when the pushing slurry 205 does not rotate, the materials stored in the bin 202 are difficult to reach the peripheral position of the distributing box 206, so that the automatic sliding of the materials is avoided.
When quartz sand is required to be added into the pickling tank 101, the PLC controller 500 controls the first motor 203 to drive the pushing slurry 205 to rotate, the pushing slurry 205 pushes the quartz sand at the middle position of the bottom of the storage bin 202 outwards, when the quartz sand is pushed to the peripheral position of the material distributing box 206, a plurality of blanking holes 207 formed in the bottom plate of the material distributing box 206 slide down, so that the quartz sand is uniformly added into the pickling tank 101, otherwise, when materials need to be stopped to be added, the pushing slurry 205 stops rotating, and at the moment, the quartz sand at the middle position of the storage bin 202 is difficult to reach the peripheral position of the material distributing box 206, so that the quartz sand cannot slide into the pickling tank 101 through the blanking holes 207.
In order to conveniently realize the recycling of the pickling solution, as shown in fig. 1 and 8, the circulation mechanism 300 comprises a main reflux pipe 301, a delivery pump 302, a first liquid outlet pipe 303, a separation barrel 304, a ball valve 305, a filter layer 306, a third liquid inlet pipe 307, a main discharge pipe 308 and a branch discharge pipe 309.
The first liquid inlet pipe 108 is fixedly connected with the first end of the main reflux pipe 301, the main reflux pipe 301 is provided with a conveying pump 302, the conveying pump 302 is connected with the PLC 500, the second end of the main reflux pipe 301 is fixedly connected with the first end of the first liquid outlet pipe 303, the second end of the first liquid outlet pipe 303 passes through the top of the separating barrel 304 and is configured in the separating barrel 304, the bottommost part of the separating barrel 304 is provided with a ball valve 305, a filter layer 306 is coaxially fixed in the middle part of the separating barrel 304, the height of the filter layer 306 is lower than that of the second end of the first liquid outlet pipe 303, the filter layer 306 can realize filtration separation of pickling solution and quartz sand, the lower side surface of the separating barrel 304 is fixedly connected with the first end of the third liquid inlet pipe 307, the second end of the third liquid inlet pipe 307 is fixedly connected with the drain main pipe 308, the drain main pipe 308 is fixedly connected with the first ends of the plurality of drain branch pipes 309, and the second ends of the drain branch pipes 309 are fixedly connected with the second ends of the second branch pipes 118.
After the quartz sand in the pickling tank 101 is pickled, the PLC controller 500 controls the circulation pump 107 to rotate reversely, at this time, the worker switches the position of the stopper 115 by rotating the driving plate 123, so that the stopper 115 seals the first branch pipe 117, the mixed liquid in the pickling tank 101 flows into the separation tank 304 through the circulation pipe 105, the circulation pump 107, the circulation main pipe 111, the shunt pipe 112, the second branch pipe 118, the drain branch pipe 309, the drain main pipe 308 and the third liquid inlet pipe 307, the pickling liquid can pass through the filter layer 306 to reach the upper part of the separation tank 304, the quartz sand cannot pass through the filter layer 306 to remain in the lower part of the separation tank 304, the pickling liquid at the upper part of the separation tank 304 can be conveyed into the pickling tank 101 through the first liquid outlet pipe 303, the conveying pump 302 and the reflux main pipe 301 to complete the cyclic utilization, and the quartz sand remaining in the lower part of the separation tank 304 can be discharged outwards through the ball valve at the bottom of the separation tank 304.
As further explanation of the present invention, as shown in fig. 1 and 9, the pH adjusting mechanism 400 includes an adding tube 401, a second liquid outlet tube 402, a cylinder 403, a second motor 404, a screw 405, a screw sleeve 406, and a piston 407, wherein the second liquid inlet tube 109 is fixedly connected to a first end of the adding tube 401, a second end of the adding tube 401 is fixedly connected to a first end of the second liquid outlet tube 402, a second end of the second liquid outlet tube 402 is fixedly connected to a side wall of the first end of the cylinder 403 and is communicated with the inside of the cylinder 403, an acidic reagent is contained in the cylinder 403, a second end of the cylinder 403 is fixedly connected to the second motor 404, and the second motor 404 is connected to the PLC controller 500.
The output end of the second motor 404 is coaxially fixed with the first end of the screw rod 405, the screw rod 405 is arranged in the screw rod sleeve 406 and is in threaded connection with the inner wall of the screw rod sleeve 406, the screw rod sleeve 406 is arranged in the feed cylinder 403, one end of the screw rod sleeve 406 far away from the second motor 404 is coaxially fixed with the piston 407, and the piston 407 is arranged in the feed cylinder 403 in a sealing way and moves along the feed cylinder.
The cross-sectional shape of the piston 407 is square, and the cross-sectional shape of the inner surface of the cylinder 403 is square matching the cross-sectional shape of the piston 407, so that the piston 407 can only slide along the length direction of the cylinder 403 due to the guiding action of the cylinder 403 on the piston 407.
When the pH value in the pickling tank 101 is higher than the preset pH value, the PLC controller 500 controls the second motor 404 to drive the screw rod 405 to rotate, and pushes the screw rod sleeve 406 and the piston 407 to slowly move to a side far away from the second motor 404 through the threaded connection relationship between the screw rod 405 and the screw rod sleeve 406, so as to squeeze the acidic reagent in the material cylinder 403, and make the acidic reagent flow into the pickling tank 101 through the second liquid outlet pipe 402 and the adding pipe 401, so that the pH value in the pickling tank 101 is adjusted.
In accordance with the above embodiments of the invention, these embodiments are not exhaustive of all details, nor are they intended to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention and various modifications as are suited to the particular use contemplated. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. Quartz sand pickling equipment, including pickling mechanism (100), its characterized in that:
The pickling mechanism (100) comprises a pickling tank (101), a feeding mechanism (200) is arranged right above the pickling tank (101), and the feeding mechanism (200) is used for feeding quartz sand into the pickling tank (101);
A liquid level sensor (102) is arranged at the top of the pickling tank (101), the liquid level sensor (102) is used for measuring the liquid level in the pickling tank (101), an acid-base instrument (103) is arranged on the side face of the pickling tank (101), a probe of the acid-base instrument (103) is arranged in the pickling tank (101), the acid-base instrument (103) is used for measuring the pH value of mixed liquid in the pickling tank (101), a weighing module (104) is arranged at the bottom of the pickling tank (101), and the weighing module (104) is used for measuring the weight of the pickling tank (101);
The pickling tank (101) is fixed with a second liquid inlet pipe (109), the second liquid inlet pipe (109) is communicated with a pH adjusting mechanism (400), and the pH adjusting mechanism (400) is used for adjusting the pH value of the mixed liquid in the pickling tank (101);
The pickling tank (101) is fixed with a first liquid inlet pipe (108), the first liquid inlet pipe (108) is communicated with a circulating mechanism (300), and the circulating mechanism (300) is used for circulating pickling liquid;
the bottom of the pickling tank (101) is fixed with a first end of a circulating pipeline (105), a second end of the circulating pipeline (105) is fixed with a first port of a circulating pump (107), a switching part (110) is arranged on a second port of the circulating pump (107), the switching part (110) can be communicated with the pickling tank (101) or the circulating mechanism (300), a control part (120) is arranged at the top of the switching part (110), and the control part (120) is used for changing a communicating object of the switching part (110);
The liquid level sensor (102), the acid-base instrument (103), the weighing module (104), the circulating pump (107), the feeding mechanism (200), the circulating mechanism (300) and the pH adjusting mechanism (400) are respectively connected with the PLC (500);
The switching part (110) comprises a circulating main pipe (111), a second port of the circulating pump (107) is fixed with the circulating main pipe (111), and the circulating main pipe (111) is fixed with the middle part of the shunt pipe (112);
A notch (113) is formed in the side wall of the shunt tube (112), a sliding pin (114) moving along the notch (113) is arranged in the notch (113), the sliding pin (114) is fixedly connected with a plug (115), and the plug (115) is arranged in the shunt tube (112) and moves along the shunt tube;
The plug (115) can be in sealing lap joint with a second branch pipe (118), the second branch pipe (118) is fixed with the shunt pipe (112), and the second branch pipe (118) is communicated with a liquid inlet end of the circulating mechanism (300);
The plug (115) can also be in sealing overlap with a first branch pipe (117), and the first branch pipe (117) is communicated with the pickling tank (101);
The sliding pin (114) is also fixed with a pipe sleeve (116), the pipe sleeve (116) is sealed and sleeved outside the shunt pipe (112) and moves along the shunt pipe, and the pipe sleeve (116) seals the notch (113);
the specific operation steps of the pickling equipment are as follows:
s1, the PLC (500) controls the circulating mechanism (300) to add circulating pickling solution into the pickling tank (101) until the liquid level reaches a preset height value;
S2, the PLC (500) controls the feeding mechanism (200) to add quartz sand into the pickling tank (101) until the total weight of the pickling tank (101) reaches a preset weight value;
S3, an operator communicates the switching part (110) with the pickling tank (101), and the PLC (500) controls the circulating pump (107) to run forward;
s4, the PLC (500) controls the pH adjusting mechanism (400) to add an acidic reagent into the pickling tank (101) until the pH value in the pickling tank (101) is adjusted to reach a preset pH value;
S5, an operator communicates the switching part (110) with the circulating mechanism (300), and the PLC (500) controls the circulating pump (107) to reversely operate.
2. The quartz sand pickling apparatus of claim 1, wherein:
The pipe sleeve (116) is fixed with the driving pin (121), the driving pin (121) is configured in the guide slot hole (122) and moves along the guide slot hole, the guide slot hole (122) is formed in the driving plate (123), a plurality of handles (125) are mounted on the driving plate (123), the driving plate (123) is rotatably mounted in the annular guide rail (124), and the annular guide rail (124) is fixed with the pickling tank (101).
3. The quartz sand pickling apparatus of claim 1, wherein:
The feeding mechanism (200) comprises supporting legs (201), a plurality of supporting legs (201) are fixed with a bin (202), the bin (202) is located above the pickling tank (101) and is coaxial with the pickling tank (101), quartz sand is contained in the bin (202), the bin (202) is fixed with a first motor (203) through a plurality of mounting brackets (204), and the first motor (203) is connected with the PLC (500);
The output end of the first motor (203) is fixedly provided with a plurality of pushing materials (205), the pushing materials (205) are arranged in a distributing box (206) and rotate along the distributing box, the distributing box (206) is fixedly communicated with the bottom of the storage bin (202), and the bottom of the distributing box (206) is provided with a plurality of blanking holes (207).
4. The quartz sand pickling apparatus of claim 1, wherein:
The first liquid inlet pipe (108) is fixed with the reflux main pipe (301), a conveying pump (302) is arranged on the reflux main pipe (301), the conveying pump (302) is connected with the PLC (500), the reflux main pipe (301) is fixed with the first liquid outlet pipe (303), and the first liquid outlet pipe (303) is communicated with the upper part of the separation barrel (304);
Ball valve (305) are installed to separation barrel (304) bottom, separation barrel (304) mid-mounting has filter layer (306), separation barrel (304) are fixed with third feed liquor pipe (307), third feed liquor pipe (307) are fixed with drainage main pipe (308), drainage main pipe (308) are fixed with a plurality of drainage branch pipe (309) respectively, drainage branch pipe (309) with second branch pipe (118) are fixed.
5. The quartz sand pickling apparatus of claim 1, wherein:
The second liquid inlet pipe (109) is fixed with the adding pipe (401), the adding pipe (401) is fixed with the second liquid outlet pipe (402), the second liquid outlet pipe (402) is fixed and communicated with the charging barrel (403), the charging barrel (403) is fixed with the second motor (404), and the second motor (404) is connected with the PLC (500);
The output end of the second motor (404) is fixed with a screw rod (405), the screw rod (405) is in threaded connection with a screw rod sleeve (406), the screw rod sleeve (406) is fixed with a piston (407), and the piston (407) is arranged in the charging barrel (403) in a sealing way and moves along the charging barrel.
6. The quartz sand pickling apparatus of claim 2, wherein:
The side of the circulating pipeline (105) is uniformly fixed and communicated with a plurality of diversion pipelines (106) along the length direction, and each diversion pipeline (106) is fixedly connected and communicated with the pickling tank (101) respectively.
7. The quartz sand pickling apparatus of claim 2, wherein:
The guide slot hole (122) comprises a first arc-shaped section (122 a), a connecting section (122 b) and a second arc-shaped section (122 c), wherein the first arc-shaped section (122 a) is communicated with the connecting section (122 b), the connecting section (122 b) is communicated with the second arc-shaped section (122 c), the track shapes of the first arc-shaped section (122 a) and the second arc-shaped section (122 c) are circular arcs, the circle centers of the two tracks coincide, and the track radius of the first arc-shaped section (122 a) is larger than the track radius of the second arc-shaped section (122 c).
8. A quartz sand pickling apparatus according to claim 3 characterised in that:
The distribution box (206) is dish-shaped in outline shape, and the blanking holes (207) are formed in the periphery of the bottom of the distribution box (206).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202411336542.6A CN118847599B (en) | 2024-09-25 | 2024-09-25 | A quartz sand pickling equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202411336542.6A CN118847599B (en) | 2024-09-25 | 2024-09-25 | A quartz sand pickling equipment |
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| CN118847599B true CN118847599B (en) | 2025-01-24 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102029271A (en) * | 2010-11-08 | 2011-04-27 | 连云港晶族新材料科技有限公司 | Quartz sand purifying and cleaning device and technique |
| CN112441590A (en) * | 2020-11-27 | 2021-03-05 | 中建材衢州金格兰石英有限公司 | Quartz sand pickling method and device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6586391B2 (en) * | 2016-04-27 | 2019-10-02 | Ｐｒｉｍｅｔａｌｓ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｊａｐａｎ株式会社 | Pickling apparatus and operation method at the time of pickling pause |
| DE102017123152A1 (en) * | 2017-10-05 | 2019-04-11 | Sms Group Gmbh | Pickling plant with circulation device |
| CN218223801U (en) * | 2022-09-22 | 2023-01-06 | 范炜锟 | Dynamic quartz sand pickling system |
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- 2024-09-25 CN CN202411336542.6A patent/CN118847599B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102029271A (en) * | 2010-11-08 | 2011-04-27 | 连云港晶族新材料科技有限公司 | Quartz sand purifying and cleaning device and technique |
| CN112441590A (en) * | 2020-11-27 | 2021-03-05 | 中建材衢州金格兰石英有限公司 | Quartz sand pickling method and device |
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