CN113264327A - Medicament feeding device and method - Google Patents
Medicament feeding device and method Download PDFInfo
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- CN113264327A CN113264327A CN202110551359.8A CN202110551359A CN113264327A CN 113264327 A CN113264327 A CN 113264327A CN 202110551359 A CN202110551359 A CN 202110551359A CN 113264327 A CN113264327 A CN 113264327A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/08—Screw or rotary spiral conveyors for fluent solid materials
- B65G33/14—Screw or rotary spiral conveyors for fluent solid materials comprising a screw or screws enclosed in a tubular housing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
- B65G33/26—Screws
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
- B65G33/32—Adaptations of bearings or couplings for supporting and connecting screws
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
- B65G33/34—Applications of driving gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/02—Devices for feeding articles or materials to conveyors
- B65G47/16—Devices for feeding articles or materials to conveyors for feeding materials in bulk
- B65G47/18—Arrangements or applications of hoppers or chutes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses a feeding device and a method of a medicament, the device comprises a rotary feeding barrel, a feeding hole and an air purge hole are arranged above the right side of the rotary feeding barrel and are connected with an external air compressor pipeline, the medicament barrel is connected above the feeding hole, the right side of the rotary feeding barrel is sequentially connected with a speed reducer and a motor through a coupling, a discharging hole is arranged at the bottom of the left side of the rotary feeding barrel, and a water baffle is arranged outside the discharging hole; bearing seats with sealing rings are arranged at two ends of the rotary feeding cylinder, the center of the interior of the rotary feeding cylinder is a main shaft, a rotary conveying guide plate is arranged at the outer side of the main shaft, smooth non-stick plates are arranged on the feeding hole, the discharging hole, the inner wall of the feeding cylinder and the guide plate, and baffles are respectively arranged at two ends of the rotary conveying guide plate; 4-6 groups of rotary conveying material guide plates are welded on the main shaft. The invention solves the technical problems that the original manual dosing has high labor intensity, influences the body health of workers, is easy to agglomerate and conglomerate, influences the flocculation effect of the medicament, has large cleaning amount of the workers and the like; and thus has higher wear resistance.
Description
Technical Field
The invention relates to a feeding device and method for a medicament, and belongs to the technical field of mine feeding equipment.
Background
The Binxian Min county mineral industry Co., Ltd is a production base of main raw materials (iron ore powder) of Taiyuan iron and steel group company, is located in Binxian county of Shanxi province, belongs to Taihang mountain system, and is a high and cold mining area with the average elevation of 1700 meters. Designing the raw ore treatment capacity to be 750 million t/a; 200 million t/a of iron ore powder and 220 million t/a of pellet ore are produced.
The ore washing water obtained after crushing, screening, grinding, grading and sorting of the ore is waste ore pulp (namely the concentration of the waste ore pulp is 7% -9%, the granularity is 0-200 meshes and accounts for 75%), the yield per hour is 10000-14000 cubic meters, and the large well is a main device for recycling the return water after the waste ore pulp is precipitated. In order to improve the concentration effect of a large well and accelerate the concentration speed, a medium (high molecular Polyacrylamide (PAM) with the molecular weight of 1200 ten thousand, white powder with the granularity of 0-2 mm, and the product is packaged by woven bags with the dosage of more than 200 tons per year per bag) is required to be added into waste ore pulp, namely a flocculating agent. All the medicaments are added manually, the instability and discontinuity of human factors exist in the aspects of time, medicament amount and the like, the labor intensity is high, the medicaments are sticky and smelly, and when the medicament amount added into water is instantly large, the medicaments are easy to agglomerate and agglomerate, so that the using effect of the medicaments is influenced. The method is extremely easy to block the screen grate, the valve port, the pipeline and the like of the waste slurry runner, so that the production accidents of over-standard return water concentration of a large well, liquid medicine cutoff and the like frequently occur, and the quality of the return water is seriously influenced. Therefore, the technical problems which are difficult to solve are solved for solving the continuity and stability of dosing and eliminating the blockage problem caused by agglomeration and agglomeration. Therefore, after more than two years of current situation investigation and repeated tests, according to the current situation, the automatic feeding efficiency and the conditions of the rotary conveying guide plate, the outer cylinder device, the main shaft device, the medicament cylinder, the screen, the feeding hole, the discharging hole, the coupling, the speed reducer, the motor and the like are repeatedly tracked, the relation between the feeding efficiency and the speeds of the rotary conveying guide plate, the feeding hole, the discharging hole, the speed reducer, the motor and the like is calculated, the automatic feeding and intelligent adjusting device is designed, the uniform, continuous and stable feeding of medicaments is realized, the potential production hazard caused by agglomeration and caking of the medicaments is eliminated, and the using effect and the backwater quality of the medicaments are improved.
Therefore, for many years, people continuously explore and practice repeatedly, according to the current situation, the conditions of the automatic ore feeding efficiency and the rotary conveying guide plate, the outer cylinder device, the main shaft device, the medicament cylinder, the screen, the feeding port, the discharging port, the coupling, the speed reducer, the motor and the like are repeatedly tracked, the relation between the ore feeding efficiency and the rotary conveying guide plate, the feeding port, the discharging port, the speed reducer, the motor speed and the like is calculated, the reasons of high labor intensity, high faults, easy water adhesion and conglomeration and large cleaning amount of manual feeding are analyzed in the aspects of stirring, production and use processes and the like, and a safe, economical, efficient, simple and convenient structure and long service life rotary feeding method and device as well as a rotary feeding method and device are innovatively designed.
The defects of the original manual dosing are as follows: (1) in order to improve the concentration effect of a large well and accelerate the concentration speed, a medicament medium, namely high-molecular Polyacrylamide (PAM) and white powder is required to be added into waste ore pulp and packaged by a woven bag, wherein the dosage of the medicament is more than 200 tons per year per bag, but all the medicaments are manually added all the time, namely, the edges of the woven bag are separated by a knife and slowly added into a stirring cylinder for stirring by a small spoon, so that the instability and discontinuity of human factors exist in the aspects of time, medicament quantity and the like, the labor intensity is high, the medicament is sticky, the medicament is tasty, the health of workers is seriously influenced, occupational diseases are easily caused, and when the dosage of the medicament added into water is instantly large, the medicament is extremely easy to agglomerate and form lumps, and the use effect of the medicament is influenced. The method is extremely easy to block the screen grate, the valve port, the pipeline and the like of the waste slurry runner, so that the production accidents of over-standard return water concentration of a large well, liquid medicine cutoff and the like frequently occur, and the quality of the return water is seriously influenced. (2) The original manual dosing is fatal to have the following defects: the medicine is added manually by a small spoon, so that the labor intensity is high; the medicament has smell, and workers are easy to get occupational diseases; the medicament is easy to agglomerate and agglomerate, and the flocculation effect of the medicament is influenced.
Disclosure of Invention
In order to overcome the defects, the invention aims to provide a method which can prolong the service life of a dosing device, is automatic, intelligent and stable, improves the dosing capability, reduces the uneven entering of a medicament into water, agglomeration and reduces the flocculation effect of the medicament.
The automatic intelligent feeding method and the device skillfully apply the space separation design technology, analyze manual medicine feeding, and have high labor intensity; the medicament is tasty, the physical health of workers is influenced, and the workers are easy to get occupational diseases; the automatic intelligent rotary feeding device and the method have the advantages that the automatic intelligent rotary feeding device and the method are skillfully designed, the use effect is good, the technical problems that the original manual medicine adding is performed, the labor intensity is high, the health of workers is affected, the medicament is easy to agglomerate and agglomerate, the flocculation effect of the medicament is affected and the like are solved; the design innovation points of the rotary feeding method and the device are as follows: the space separation design is ingeniously applied, the rotary feeding method and the rotary feeding device are placed in a medicament bin, water or steam is prevented from entering medicaments to be condensed into clusters, the rotary automatic intelligent feeding method and the rotary automatic intelligent feeding device are designed to replace manual and manual spoons for feeding medicaments, automatic intelligent feeding is achieved after innovation, and the aims of preventing the medicaments from being mixed with muddy water, preventing the medicaments from being bonded into clusters, reducing faults, prolonging the service life and the like are fulfilled. Meanwhile, the force of the feeding machine is uniform, the machine vibration is reduced, and the requirements of field medicament addition and stirring production are met; the technical problems that the prior manual medicine adding has high labor intensity, influences the body health of workers, is easy to agglomerate and agglomerate, influences the flocculation effect of the medicine and the like are solved; the medicament is bonded into a mass, which brings the disadvantages of large cleaning amount and the like to field workers. The invention is suitable for the update of all manual or dosing machines, in particular to the update of a feeding method and a device for accurately feeding small-dose medicaments or caking and agglomerating the medicaments. The technical problems that manual medicine adding is carried out, the labor intensity is high, the health of workers is influenced, the medicament is easy to agglomerate and agglomerate, the flocculation effect of the medicament is influenced and the like are solved, the defects that the cleaning amount is large and the like caused by the medicament agglomeration are overcome, and the using effect of the medicament is improved. And the installation is convenient and the structure is simple. Can be popularized in other industries and the accurate feeding of any material.
The invention provides a feeding device of a medicament, which comprises a rotary feeding barrel, wherein a feeding hole is formed in the upper part of the right side of the rotary feeding barrel; bearing seats with sealing rings are arranged at two ends of the rotary feeding cylinder, the center of the interior of the rotary feeding cylinder is a main shaft, a rotary conveying guide plate is arranged at the outer side of the main shaft, smooth non-stick plates are arranged on the feeding hole, the discharging hole, the inner wall of the feeding cylinder and the guide plate, and baffles are respectively arranged at two ends of the rotary conveying guide plate; 4-6 groups of rotary conveying material guide plates are welded on the main shaft and are connected into a whole by welding, and the direction is clockwise and rightwards; the rotary conveying material guide plate is driven by a speed reducer and a motor to operate;
an electric valve is arranged on the left side of the rotary feeding cylinder; the interlocking of confirming the feedwater time through electric valve and the calculation of dosage, medicament and big well return water concentration detection, the automatic calculation dosage is how much, realizes that the continuous accurate of little flow is dosed, stabilizes medicament concentration, and the accurate demand that satisfies the ore dressing flocculation of dispensing.
The details of the above-described apparatus are further described below:
the rotary material feeding barrel fixes the outer barrel on the flange frame through bearing seats at two ends, the medicament is conveyed through the rotary conveying material guide plate, the variable frequency motor drives the speed reducer and the speed reducer drives the main shaft to drive the rotary conveying material guide plate to rotate in the feeding process, so that the rotary material guide plate is driven to convey the medicament through the feeding hole to enter the rotary material feeding barrel, and then the rotary material guide plate is driven to convey, so that the rotary material guide plate is driven to perform conveying movement.
The electric valve is arranged on the left side of the rotary feeding cylinder, the interlocking of water supply time and the calculation of dosage are determined through the electric valve, the reagent and the large well return water concentration are detected, the dosage is automatically calculated, continuous and accurate dosing of small flow (dosage 25kg/h, 0.4 kg/min) is realized, the reagent concentration is stabilized (the concentration is 0.8 thousandth of the water ratio after stirring), and the requirement of mineral separation dosage flocculation is accurately met. Therefore, the whole process of accurately conveying the medicament and proportioning the medicament and water is an automatic cycle process. The technical problems that the original manual dosing is high in labor intensity, the health of workers is affected, the medicament is easy to agglomerate and agglomerate, the flocculation effect of the medicament is affected, the cleaning amount of workers is large and the like are solved; has great popularization value.
The main shaft is a horizontal step main shaft, the structure of the main shaft is a horizontal cylinder with a large middle part and small two ends, the main shaft is in a step shape, the running distance and the running space are increased, the conglobation and accumulation of medicaments are avoided, the running is more stable, and the rotating load is smaller and more flexible.
Bearing seats are respectively arranged on the left and right of two ends of a horizontal stepped shaft, the interior of each bearing seat is connected with a main shaft through a self-lubricating nylon sleeve, the clearance between each self-lubricating nylon sleeve and the main shaft is 2-4 mm, a cross oil storage tank is arranged in the middle of the inner diameter, and the depth of each oil storage tank is 2-4 mm, so that the bearing capacity of the bearing for severe environment adaptation and load is improved; the outer diameter of the bearing is connected with the outer cylinder through a flange, lip-shaped sealing rings are designed at two ends of a bearing seat in order to separate the invasion of a medicament, a space separation metering technology is adopted, the sealing reliability of the bearing is improved, and the influence of the medicament entering the bearing on the service life of the bearing is avoided.
4-6 groups of rotary conveying material guide plates are welded on the main shaft, the pitch is 40-60 mm, the gap between the rotary conveying material guide plates and the outer barrel is 2-3 mm, the direction is clockwise and dextrorotatory, the number of rotary heads is 1-3, and the purpose is to continuously and accurately convey a small amount of medicament; the left end and the right end of the rotary conveying material guide plate are respectively provided with a medicament baffle, and the clearance between the medicament baffle and the outer cylinder is 1.5-2.5 mm, so that the medicament is blocked at the left end and the right end of the rotary conveying material guide plate, and the medicament is prevented from being connected in series to the two ends of the rotary conveying material guide plate.
Non-stick plates which are not stuck with materials (smooth) are arranged on the feeding hole, the discharging hole, the inner wall of the feeding cylinder and the material guide plate and are made of nylon, wherein the non-stick plates are bonded with the material guide plate and the like through an adhesive J184, so that the purpose of preventing medicaments from being bonded with the material guide plate and other equipment is achieved, and the thickness of the non-stick plates is 2-4 mm.
Flanges are respectively arranged at the left end and the right end of the outer cylinder, and the flanges are used for fixing bearing seats at the two ends of the main shaft. The outer cylinder is made of Q235B steel pipe with diameter of 108mm, and aims to support the bearing seat and transmit the medicament of the rotary material guide plate in a transmission way so as to prevent the medicament from leaking.
A medicament feed port and an air purge hole (with the inner diameter DN20 multiplied by 80 mm) are arranged on the front (right) end of the outer cylinder and are connected with an external air compressor pipeline (for purging the adhered medicament in the rotary feed cylinder), so that the rotary feed guide plate is used for directly feeding the medicament and is the source and the beginning of medicament delivery; a medicament discharge port is arranged below the rear (left) end of the outer barrel, so that the rotary conveying guide plate directly discharges the medicament, namely the tail end and the end of medicament conveying;
the water (steam) baffle is arranged outside the discharge port, so that water (steam) is prevented from being mixed with a medicament to block the discharge port, the water (steam) baffle comprises an O-shaped hinge shaft arranged in the middle, the diameter of the hinge shaft is set to be phi 8-phi 12mm, the right side is set to be 5mm, the diameter of the round steel plate is phi 90-phi 70, the left side is set to be a square steel plate, the size of the square steel plate is 30 multiplied by 45mm, when feeding is stopped, the water (steam) baffle automatically blocks the discharge port due to the fact that the dead weight of the left side of the water (steam) baffle is slightly larger than the dead weight of the right side, and water (steam) is prevented from entering the discharge port and being prevented from being bonded with the material; when the rotary feeding cylinder rotates for feeding, the material enters the discharge port, and the water (steam) baffle is forced to open due to the dead weight of the material pressing the water (steam) baffle, and the medicament enters the mixing cylinder through the discharge port for mixing.
The diameter of the feed inlet is 4-8 times that of the discharge outlet; a gate valve is arranged above the feed inlet, the size is DN 200-DN 300mm, (the gate valve is closed when production needs to stop feeding, the medicament in the rotary feed cylinder is pulled empty, and the materials are prevented from being bonded into lumps; the gate valve is closed when the rotary feed cylinder is overhauled, and the overhaul task of the rotary feed cylinder is executed), the medicament cylinder is connected above the gate valve, the lower end is conical, the upper end is cylindrical, the lower end is connected with the feed inlet by a flange, the lower end is conical and connected with the upper end by welding, the medicament is stored, the medicament storage amount is 275-325 kg, the medicament amount is one day, and the medicament amount is also the source and the start of medicament delivery; the screen is arranged on the medicament barrel and aims to filter impurities in the medicament so as to avoid blocking the next process. A medicament cylinder round cover plate is arranged on the screen to play a role in sealing.
The feeding machine is driven by the integrated variable frequency motor and the speed reducer in a driving mode, the driving power is 0.75kw variable frequency motor, and the feeding machine is connected with the rotary feeding cylinder in a transmission mode through the split pin coupling and is installed horizontally with the same axis. The daily operation frequency is 10-15 Hz, the dosage of the medicament is 25kg/h, the small flow of 0.4 kg/min is constant, accurate and continuous feeding is ensured, and the purpose is small-amount and accurate feeding.
The invention provides a medicament feeding method, which comprises the following steps: the device is designed on the upper part of a medicament mixing barrel, the driving variable frequency motor is interlocked with the water supply electric valve, when the water supply electric valve is started to synchronously start the variable frequency motor, the operation frequency is 10-15 Hz, and the water supply electric valve stops synchronously stopping rotating the feeding barrel, so that the precise continuous dosing of the small-flow constant proportioning is realized, the concentration of the mixed medicament and water is ensured, and the concentration of the mixed medicament and water is 0.8 per mill according to the medicament proportioning standard. (for example, the water supply time in the mixing tank is 5 minutes, the operation frequency of the rotary dosing cylinder is 12.5Hz and is synchronous with the water supply time, the dose is 13.6 kg, and just meets 0.8 per mill of the proportioning index of the medicament dilution process).
A concentration meter is designed below the surface of the return water of the large well, when the variation of the return water quality of the large well is detected, namely the concentration is more than 0.5 per thousand, the return water is fed back to a feeding variable frequency motor, the variable frequency speed and the feeding amount of a rotary feeding barrel are properly improved, and automatic intelligent feeding is realized; on the contrary, when the quality of the return water of the large well is detected to be good, the concentration is less than 0.5 per mill, the return water is fed back to the rotary feeding barrel, the variable frequency speed and the feeding amount of the rotary feeding barrel are properly reduced, the feeding of the medicament is reduced, the operation cost is reduced, and the method has great popularization value.
The invention repeatedly tracks the on-site mixed liquid medicine, calculates the relation between the water supply time, the volume and the dosage in the mixing cylinder, combines the manual dosage mode and process, designs the automatic rotary continuous dosage device, automatically calculates the dosage by interlocking the water supply time of the DN100 electric valve and the dosage calculation, detects the concentration of the medicament and the backwater of the big well, automatically calculates the dosage, realizes the continuous and accurate dosage with small flow (the dosage is 25kg/h and 0.4 kg/min), stabilizes the concentration of the medicament (the concentration is 0.8 thousandth of the ratio of the medicament to the water after stirring), and accurately meets the requirement of the concentration of tailings.
The invention has the beneficial effects that:
(1) social benefits are as follows: the invention realizes the automatic dosing of the tailing well according to the quality and the concentration of the backwater, intelligently adjusts the dosage, and has small amount, uniformity, continuity and precision, thereby improving the feeding efficiency and the backwater quality and reducing the operation cost. Greatly reduce workman intensity of labour (bitter again dirty again tired again have not the taste again and have the taste dry) and with the medicament contact number, avoid occupational disease's emergence, stop that the worker feed is not accurate, bring the medicament extravagant, practice thrift medicament quantity and cost, realized automatic accurate feed + intelligent process adjustment, the technical merit is domestic leading, has very big spreading value.
(2) Accidents such as medicament caking, agglomeration, conglomeration, well pressing and the like are avoided, production is stable, labor cost is saved, after the device is predicted to be adopted, the company dosing class is adjusted from 17 people (4 people 4 classes +1 people long) to 1 person for inspection, wage is saved (16 people 7 ten thousand) by 112 ten thousand yuan per year (workers are shunted, and occupational diseases are avoided); the accurate feeding can save 3 tons of medicaments per month, 43.2 ten thousand yuan of medicaments (3 tons 1.2 ten thousand yuan/ton 12 months) are saved, 155.2 ten thousand yuan is saved every year in subtotal, the labor intensity of workers is greatly reduced, automatic, efficient and accurate + rotary feeding + intelligent adjustment control is realized, the using effect and the return water quality of the medicaments reach the first-class domestic standard, accidents such as the major wells are extremely suppressed, 500 ten thousand yuan of accident handling cost can be saved every year, and 650 more than ten thousand yuan can be saved every year in total.
(3) Has great significance in the aspects of energy conservation, emission reduction and low-carbon production. The design of the novel automatic intelligent feeding method and the novel automatic intelligent feeding device effectively reduces the faults of the automatic intelligent feeding method and the automatic intelligent feeding device, realizes high-efficiency feeding of stirring in a large well, improves the conveying efficiency of the feeding machine by 86.5 percent, reduces the faults by 78.5 percent, realizes uniform feeding load, reduces the vibration of the machine, reduces the unit consumption of electric energy and the faults of the machine, and improves the conveying efficiency of the feeding machine.
(4) In the aspect of labor intensity of personnel, the flocculating agent frequent feeding of the stirring tank per hour is solved, and the flocculating agent only needs to be added into the medicine storage bin once according to the total use amount per shift. The labor is thoroughly released, the labor intensity of post personnel is greatly reduced, and the man-machine efficiency is improved.
(5) The invention innovatively designs a high-efficiency automatic feeding method, and an intelligent adjustment and rotary feeding method, realizes small-amount, uniform, continuous and stable feeding of the feeding machine, effectively solves accidents of poor water quality of a large well, large well pressing and the like, greatly reduces the labor intensity of workers and the number of people contacting with a medicament, saves the quantity of flocculating medicament, realizes automatic high-efficiency feeding intelligent process control, improves feeding efficiency, makes a great breakthrough, enables the quality of overflow water of the large well to reach the domestic advanced level, and has great popularization value.
Drawings
Fig. 1 is a schematic structural view of a medicine feeder of the present invention.
In the figure: 1. the automatic cleaning device comprises a bearing seat, 2, a self-lubricating nylon sleeve, 3, a baffle, 4, a rotary conveying guide plate, 5, an outer cylinder, 6, a blowing hole, 7, a medicament cylinder, 8, a screen, 9, a gate valve, 10, a feeding hole, 11, a coupler, 12, a speed reducer, 13, a motor, 14, a main shaft, 15, a discharging hole, 16 and a water baffle.
Detailed Description
The present invention is further illustrated by, but is not limited to, the following examples.
The invention discloses an automatic intelligent feeding method which is innovatively designed, and comprises a method and a device for feeding a medicament, wherein a flange rack of an outer cylinder device is fixed through bearing seats at two ends, the medicament is conveyed through a rotary conveying material guide plate of the automatic intelligent feeding method and the device, a speed reducer is driven by a variable frequency motor, a main shaft is driven by the speed reducer to drive the rotary conveying material guide plate to rotate, so that the rotary conveying material guide plate conveys the medicament into the outer cylinder device through a feeding hole, and then the rotary material guide plate is driven to carry out conveying operation, so that the rotary material guide plate is driven to carry out conveying motion. Through the calculation of interlocking and the dose of DN100 electrically operated valve feedwater time, medicament and well return water concentration detect, what the automatic calculation dose, realize that the continuous accurate dose of little flow (dose 25kg/h, 0.4 kg/minute), stabilize medicament concentration (mix after the stirring with water ratio concentration 0.8 thousandth), the requirement of the tailing flocculation of dispensing. Therefore, the whole process of accurately conveying the medicament and proportioning the medicament and water is an automatic cycle process.
A rotary medicament feeding device is shown in figure 1 and comprises a rotary medicament feeding barrel, wherein a feed inlet 10 is formed in the upper portion of the right side of the rotary medicament feeding barrel, a medicament barrel 7 is connected above the feed inlet 10, the right side of the rotary medicament feeding barrel is sequentially connected with a speed reducer 12 and a motor 13 through a coupler 11, and a discharge outlet 15 is formed in the bottom of the left side of the rotary medicament feeding barrel; the two ends of the rotary feeding cylinder are provided with bearing seats 1 containing sealing rings, the center of the interior of the rotary feeding cylinder is provided with a main shaft 14, the outer side of the main shaft is provided with a rotary conveying guide plate 4, and the two ends of the rotary conveying guide plate are respectively provided with a baffle 3.
The design is as follows:
(1) the rotary feeding method is characterized in that under the condition that the strength and the rigidity meet the requirements of field production, a horizontal step main shaft 14 is ingeniously designed, the diameter multiplied by the length of the overall dimension is not equal to (phi 20-phi 40) multiplied by (800-900) mm, the distance and the operation space of the automatic intelligent feeding method and the automatic intelligent feeding device are increased, and the medicament is prevented from being accumulated into a mass, so that the operation is more stable, and the rotation load is smaller and more flexible;
(2) the two ends of the horizontal stepped shaft are respectively provided with a bearing seat 1 at the left and the right, the inner diameter of the bearing seat is connected with a main shaft 14 through a bearing, the outer diameter of the bearing seat is connected with an outer cylinder 5 through a flange, lip-shaped sealing rings are designed at the two ends of the bearing seat in order to separate the invasion of a medicament, and a space separation metering technology is adopted, so that the sealing reliability of the bearing is improved, and the influence on the service life of the bearing caused by the medicament entering the bearing is avoided;
(3) designing a feeding method and a device of a medicament, and being characterized in that in order to improve the strength and rigidity of a bearing of the automatic intelligent feeding method and the device, bearings at two ends of a main shaft of the automatic intelligent feeding method and the device are set to be self-lubricating nylon bearings 2, the external diameter/internal diameter multiplied by the length of a self-lubricating nylon sleeve is not less than (phi 50-phi 40)/(phi 30-phi 20) multiplied by 30mm, the clearance between the self-lubricating nylon sleeve and the main shaft is 2-4 mm, a cross oil storage tank is arranged in the middle of the internal diameter, the depth of the oil storage tank is 2-4 mm, and the bearing capacity of the bearing for adapting to severe environment and loading is improved;
(4) a feeding method of a medicament is designed, and is characterized in that 4-6 groups of rotary conveying material guide plates are welded on a main shaft, the pitch is 40-60 mm, the external diameter of the external dimension is multiplied by the length of (phi 105-phi 85) × (400-600) mm, the clearance with an outer cylinder 5 is 2-3 mm, the direction is clockwise and rightwards, and the number of rotary heads is 1-3. N rotating heads can be arranged according to the feeding amount, and at most, N to N + X rotating heads can be arranged, so that the medicine can be continuously and accurately conveyed in a small amount.
(5) The left end and the right end of the rotary conveying material guide plate are respectively provided with a medicament baffle plate 3, the external diameter multiplied by the length of the external dimension is phi 105-phi 85 multiplied by (4-8) mm, and the clearance with the outer cylinder 5 is 1.5-2.5 mm, so that the medicament is blocked at the left end and the right end of the rotary conveying material guide plate, and the medicament is prevented from being connected in series to the two ends of the rotary conveying material guide plate.
In addition, non-stick plates which do not stick materials (are smooth) are arranged on the feeding hole, the discharging hole, the inner wall of the feeding cylinder and the material guide plate, the material is nylon (also called as the non-stick plates, wherein the non-stick plates are bonded with the material guide plate and the like by an adhesive J184 to prevent medicaments from being bonded with the material guide plate and other equipment), and the thickness of the non-stick plates is 2-4 mm.
(6) An outer cylinder 5 is arranged on the outer circle of the rotary conveying material guide plate, flanges are respectively arranged at the left end and the right end, and the size is that the outer diameter/the inner diameter multiplied by the length = (phi 190-phi 170)/(phi 120-phi 100) × (15-25) mm, so that the bearing seats 1 at the two ends of a main shaft 14 are fixed. The outer cylinder 5 is characterized in that an outer circle for conveying the medicament is made of a phi 108MMQ235B steel pipe, and the external dimension of the outer cylinder/the internal diameter of the outer cylinder is multiplied by the length = (phi 120-phi 100)/(phi 110-phi 90) × (500-700) mm, so that the purpose of supporting the bearing seat 1 and conveying the medicament by rotating the conveying guide plate 4 in a transmission manner is achieved, and the medicament leakage is prevented.
(7) A medicament feed port 10 and an air purge hole (inner diameter DN20 multiplied by 80 mm) are arranged on the upper surface of the front (right) end of the outer cylinder 5 and are connected with an external air compressor pipeline (the purpose is to purge the adhered medicament in the rotary feed cylinder), the outer diameter/inner diameter multiplied by the length of the medicament feed port 10 is not (= (phi 300-phi 200)/(phi 200-phi 180) × (110-90) mm, the purpose is to directly feed the rotary feed guide plate 4, and the source and the start of medicament delivery are realized;
(8) a medicament discharge port 15 is arranged below the rear (left) end of the outer cylinder 5, and the external dimension of external diameter/internal diameter multiplied by length = (phi 60-phi 40)/(phi 50-phi 30) × (160-140) mm, so that the rotary conveying guide plate 4 is used for directly discharging and is an outlet for medicament conveying;
the outer end of the discharge port is provided with a water (steam) baffle 16 for preventing water (steam) from being mixed with a medicament and blocking the discharge port, the water (steam) baffle 16 comprises an O-shaped hinge shaft arranged in the middle, the diameter of the hinge shaft is set to be phi 8-phi 12mm, the right side is provided with a round steel plate with the thickness of 5mm and the diameter of phi 90-phi 70, the left side is provided with a square steel plate with the size of 30 multiplied by 45mm, when feeding is stopped, the water (steam) baffle automatically blocks the discharge port due to the fact that the dead weight of the left side of the water (steam) baffle is slightly larger than the dead weight of the right side, and water (steam) is prevented from entering the discharge port and being prevented from being bonded with the material; when the rotary feeding cylinder rotates for feeding, the material enters the discharge port, and the water (steam) baffle is forced to open due to the dead weight of the material pressing the water (steam) baffle, and the medicament enters the mixing cylinder through the discharge port for mixing.
The diameter of the feed inlet is 4-8 times that of the discharge outlet; a gate valve with the size of DN 200-DN 300mm is arranged above the feeding hole (the first purpose is to close the gate valve when feeding needs to be stopped in production and pull the medicament in the rotary feeding barrel empty to prevent the material from being bonded into a mass, and the second rotary feeding barrel is closed to execute the maintenance task of the rotary feeding barrel when maintenance is carried out on the first rotary feeding barrel and the second rotary feeding barrel), and a medicament barrel is connected above the gate valve.
(9) A medicament barrel 7 is arranged above the feed inlet 10, the lower end of the medicament barrel is conical, the upper end of the medicament barrel is cylindrical, the lower end of the medicament barrel is connected with the feed inlet 10 by a flange, and the lower end of the medicament barrel is conical, wherein the conical shape of the lower end is the size of the outer diameter of the lower end/the outer diameter of the upper end multiplied by the length (phi 300-phi 200)/(phi 1100-phi 900) mmx (600-400) mm; the upper end of the device is cylindrical, the external diameter and the length of the device are = (phi 1100-phi 900) × (2100-1900) mm, the thickness of the device is 4-6 mm, the device is used for storing medicaments, the stored medicament amount is 275-325 kg, the medicament amount is 24 hours a day, and the device is also used as a source and a start of medicament delivery;
(10) a screen is arranged on the medicament cylinder 7, the mesh size is phi 5-phi 10mm, and the purpose is to filter impurities in the medicament so as to avoid blocking the next working procedure. A medicament cylinder round cover plate is arranged on the screen to play a role in sealing.
(11) Arranging a bakelite rod pin coupler 11 at the front (right) end of a main shaft 14, wherein the external dimension of the left half coupler is the external diameter multiplied by the length = (phi 110-phi 90) × (50-70) mm, the size of the bakelite rod is (phi 20-phi 10) × (40-60) mm, and the number of the bakelite rod pins is 6;
(12) an integrated variable frequency motor and speed reducer driving mode is designed on the right half coupler at the other end of the bakelite pin coupler 11, the type number of the integrated variable frequency motor and speed reducer driving mode is R37DT90L4-SRD1, the driving power is 0.75kw, and the integrated variable frequency motor and speed reducer driving mode is in transmission connection with the split type pin coupler and is coaxially and horizontally installed with the rotary dosing cylinder. The daily operation frequency is 10-15 Hz, the small-flow constant, accurate and continuous feeding of the medicament (the dosage is 25kg/h and 0.4 kg/min) is ensured, and small-amount and uniform feeding is achieved;
(13) the automatic feeding method and the automatic feeding device are designed at the upper part of the medicament mixing cylinder, the driving variable frequency motor is interlocked with the water supply electric valve, when the water supply electric valve is started, the variable frequency motor is synchronously started, the operating frequency is set to be 10-15 Hz, the water supply electric valve is stopped, and the feeding method and the feeding device are synchronously stopped, so that the small-flow constant proportioning is realized, the precise and continuous dosing is realized, the concentration of the mixed medicament and water is ensured, and the concentration standard of the mixed medicament is 0.8 per mill. (for example, the water supply time in the mixing tank is 5 minutes, the operation frequency of the rotary dosing cylinder is 12.5Hz and is synchronous with the water supply time, the dose is 13.6 kg, and just meets 0.8 per mill of the proportioning index of the medicament dilution process).
(14) Designing a concentration meter below the surface of the well backwater liquid, feeding back the concentration to a feeding variable frequency motor when detecting the variation of the well backwater water quality, namely the concentration is more than 0.5 per thousand, properly improving the variable frequency speed and the feeding quantity of the feeding method and the device, and realizing automatic intelligent feeding; on the contrary, when the quality of the return water of the large well is detected to be good, the concentration is less than 0.5 per mill, and the return water is fed back to the feeding method and the feeding device, so that the frequency conversion speed and the feeding amount of the feeding method and the feeding device are properly reduced, the feeding of the medicament is reduced, and the operation cost is reduced.
The invention repeatedly tracks the on-site mixed liquid medicine, calculates the relation between the water supply time, the volume and the dosage in the mixing cylinder, combines the manual dosage mode and process, designs the automatic rotary continuous dosage device, automatically calculates the dosage by interlocking the water supply time of the DN100 electric valve and the dosage calculation, detects the concentration of the medicament and the backwater of the big well, automatically calculates the dosage, realizes the continuous and accurate dosage with small flow (the dosage is 25kg/h and 0.4 kg/min), stabilizes the concentration of the medicament (the concentration is 0.8 thousandth of the ratio of the medicament to the water after stirring), and accurately meets the requirement of the concentration of tailings.
The invention applies the space separation design technology, including an innovative design automatic intelligent rotary feeding method, applies the (N) rotary conveying guide plate feeding principle, drives a speed reducer by a variable frequency motor, is continuous and accurate and adjustable in rotary feeding, is driven by the speed reducer to self-manufacture the automatic intelligent feeding method and the device for the rotary conveying guide plate, is provided with a bearing seat (containing a sealing ring), (a sliding bearing) self-lubricating nylon sleeve bearing, a medicament baffle, a rotary conveying guide plate, an outer cylinder device, a main shaft device, a medicament cylinder, a screen, a feeding port, a discharging port, a coupler, a speed reducer, a motor and the like as the automatic intelligent feeding method and the device shown in the figure 1, and solves the technical problems of large labor intensity, influence on the health of workers, easy caking and agglomeration of medicaments, influence on the flocculation effect of the medicaments, large cleaning amount of the workers and the like in the original manual dosing; the technical problems solved by the invention are as follows: the design of the automatic intelligent rotary conveying feeding method of the horizontal steps realizes the aims of few faults, small quantity of accurate feeding, no adhesion of muddy water, no caking and agglomeration and the like of the automatic intelligent feeding method and the device, and ensures that the feeding machine is uniform in stress and small in machine vibration.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. In addition, "front", "rear", "left", "right", "upper" and "lower" in this document are referred to the placement states shown in the drawings. Finally, it should be noted that: the above examples are only for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A device for feeding a medicament, characterized in that: the rotary feeding device comprises a rotary feeding barrel, wherein a feeding hole and an air blowing hole are formed in the upper portion of the right side of the rotary feeding barrel and are connected with an external air compressor pipeline; bearing seats with sealing rings are arranged at two ends of the rotary feeding cylinder, the center of the interior of the rotary feeding cylinder is a main shaft, a rotary conveying guide plate is arranged at the outer side of the main shaft, smooth non-stick plates are arranged on the feeding hole, the discharging hole, the inner wall of the feeding cylinder and the guide plate, and baffles are respectively arranged at two ends of the rotary conveying guide plate; 4-6 groups of rotary conveying material guide plates are welded on the main shaft and are connected into a whole by welding, and the direction is clockwise and rightwards; the rotary conveying material guide plate is driven by a speed reducer and a motor to operate;
an electric valve is arranged on the left side of the rotary feeding cylinder; the interlocking of confirming the feedwater time through electric valve and the calculation of dosage, medicament and big well return water concentration detection, the automatic calculation dosage is how much, realizes that the continuous accurate of little flow is dosed, stabilizes medicament concentration, and the accurate demand that satisfies the ore dressing flocculation of dispensing.
2. A dosing device for a pharmaceutical agent according to claim 1, characterized in that: the rotary feed cylinder fixes the outer cylinder on the flange frame through bearing seats at two ends, and flanges are respectively arranged at the left end and the right end of the outer cylinder and used for fixing the bearing seats at two ends of the main shaft; the outer cylinder is made of Q235B steel pipe with diameter of 108 mm; a medicament feed inlet and an air purge hole are arranged on the right end of the outer barrel, and a medicament discharge outlet is arranged below the left end of the outer barrel.
3. A dosing device for a pharmaceutical agent according to claim 1, characterized in that: the inner diameter of the air purge hole is DN20 multiplied by 80mm, and the purge pressure of the external air compressor pipeline is set to be 5-10 kg/cm2Purging the adhered medicament in the rotary feeding cylinder; the thickness of the non-stick plate is 2-4 mm, the non-stick plate is made of nylon, and the non-stick plate is bonded with the feeding hole, the discharging hole, the inner wall of the feeding cylinder and the material guide plate through an adhesive J184 respectively, so that the agent is prevented from being bonded to equipment.
4. A dosing device for a pharmaceutical agent according to claim 1, characterized in that: the main shaft is a horizontal step main shaft, and the structure of the main shaft is a horizontal cylinder with a large middle part and small two ends and is in a step shape.
5. A dosing device for a pharmaceutical agent according to claim 1, characterized in that: bearing seats are respectively arranged on the left and right of two ends of a horizontal stepped shaft, the interior of each bearing seat is connected with a main shaft through a self-lubricating nylon sleeve, the clearance between each self-lubricating nylon sleeve and the main shaft is 2-4 mm, a cross oil storage tank is arranged in the middle of the inner diameter, and the depth of each oil storage tank is 2-4 mm, so that the bearing capacity of the bearing for severe environment adaptation and load is improved; the outer diameter of the bearing seat is connected with the outer cylinder through a flange, and lip-shaped sealing rings are designed at two ends of the bearing seat in order to prevent the invasion of the medicament.
6. A dosing device for a pharmaceutical agent according to claim 1, characterized in that: the pitch of the rotary conveying material guide plate is 40-60 mm, the gap between the rotary conveying material guide plate and the outer barrel is 2-3 mm, the number of rotary heads is 1-3, and the purpose of continuously and accurately conveying a small amount of medicament is achieved; the clearance between the rotary conveying material guide plate and the outer cylinder is 1.5-2.5 mm.
7. A dosing device for a pharmaceutical agent according to claim 1, characterized in that: the water baffle is arranged outside the discharge port to prevent water vapor from being mixed with a medicament and blocking the discharge port, the water baffle comprises an O-shaped hinge shaft arranged in the middle, the diameter of the hinge shaft is set to be phi 8-phi 12mm, a round steel plate with the thickness of 5mm and the diameter of phi 90-phi 70mm is arranged on the right, a square steel plate is arranged on the left, the size of the round steel plate is 30 multiplied by 45mm, when feeding is stopped, the left dead weight of the water baffle is larger than the right dead weight, the water baffle automatically blocks the discharge port to prevent water vapor from entering the discharge port and bonding with materials; when the rotary feeding cylinder rotates to feed, the material enters the discharge port, the water baffle is forced to open due to the dead weight of the material pressing the water baffle, and the medicament enters the mixing cylinder through the discharge port to be mixed;
the diameter of the feed inlet is 4-8 times of that of the discharge outlet;
a gate valve is arranged above the feed inlet, the size is DN 200-DN 300mm, a medicament barrel is connected above the gate valve, the lower end of the medicament barrel is conical, the upper end of the medicament barrel is cylindrical, the lower end of the medicament barrel is connected with the feed inlet through a flange, the lower end of the medicament barrel is connected with the upper end of the medicament barrel in a welding manner, the medicament is stored, and the stored medicament amount is 275-325 kg; a screen is arranged on the medicament cylinder and used for filtering impurities in the medicament so as to avoid blocking the next working procedure; a medicament cylinder round cover plate is arranged on the screen to play a role in sealing.
8. A dosing device for a pharmaceutical agent according to claim 1, characterized in that: the motor is a variable frequency motor with the power of 0.75kW, and is connected with the rotary feeding cylinder in a transmission manner by adopting a split pin coupling and is horizontally arranged coaxially; in the feeding process, the speed reducer is driven by the variable frequency motor, the main shaft of the speed reducer is driven to drive the rotary conveying guide plate to rotate, so that the rotary conveying guide plate conveys the medicament to enter the rotary feeding barrel through the feeding hole, then the rotary guide plate is driven to carry out conveying operation, and the medicament is conveyed through the rotary conveying guide plate.
9. A method for feeding a drug using the drug feeding device according to any one of claims 1 to 8, characterized by comprising: the device is designed at the upper part of a medicament mixing barrel, a driving variable frequency motor is interlocked with a water supply electric valve, when the water supply electric valve is started, the variable frequency motor is synchronously started, the operation frequency is 10-15 Hz, the water supply electric valve is stopped, and the rotary feed barrel is synchronously stopped, so that the precise and continuous dosing of small-flow constant proportioning is realized, the concentration of the mixture of the medicament and the water is ensured, and the proportion standard of the medicament is 0.8 per mill;
a concentration meter is designed below the surface of the return water of the large well, when the variation of the return water quality of the large well is detected, namely the concentration is more than 0.5 per thousand, the return water is fed back to a feeding variable frequency motor, the variable frequency speed and the feeding amount of a rotary feeding barrel are properly improved, and automatic intelligent feeding is realized; on the contrary, when the quality of the return water of the large well is detected to be good, the concentration is less than 0.5 per mill, the return water is fed back to the rotary feeding barrel, the variable frequency speed and the feeding amount of the rotary feeding barrel are properly reduced, and the feeding of the medicament is reduced.
10. A method of dosing a medicament as claimed in claim 9, wherein: the water supply time in the mixing tank is 5 minutes, the operating frequency of the rotary dosing cylinder is 12.5Hz and is synchronous with the water supply time, and the dosing quantity is 13.6 kg at the moment, which just meets 0.8 per mill of the proportioning index of the medicament dilution process.
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| CN202110551359.8A CN113264327A (en) | 2021-05-20 | 2021-05-20 | Medicament feeding device and method |
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| CN202110551359.8A CN113264327A (en) | 2021-05-20 | 2021-05-20 | Medicament feeding device and method |
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| CN116395333A (en) * | 2023-04-24 | 2023-07-07 | 湖北天烽精密机械有限公司 | Washing, separating and conveying integrated device |
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