CN107226354B - Weighing and feeding equipment for salting-out process and using method thereof - Google Patents
Weighing and feeding equipment for salting-out process and using method thereof Download PDFInfo
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- CN107226354B CN107226354B CN201710576459.XA CN201710576459A CN107226354B CN 107226354 B CN107226354 B CN 107226354B CN 201710576459 A CN201710576459 A CN 201710576459A CN 107226354 B CN107226354 B CN 107226354B
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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
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/40—Feeding or discharging devices
- B65G53/50—Pneumatic devices
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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
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
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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
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/32—Filling devices
Abstract
The invention discloses a weighing and feeding device for a salting-out process and a using method thereof, wherein the device comprises: proportioning bins, weighing device, reaction unit, vacuum pump, PLC automatic control. The weighing device includes: the separation dryer is provided with a first feeding hole, is communicated with the proportioning bin and is provided with a first pneumatic valve; the feeding transfer bin is communicated with the separation dryer and is provided with a first discharge opening; the weighing bin is communicated with the first discharge opening; and the transition bin is communicated with the weighing bin. The reaction device comprises: the feeding bin is provided with a second feeding hole communicated with the transition bin, and the second feeding hole is provided with a second pneumatic valve; and the reaction kettle is communicated with the second discharge opening. The vacuum pump is respectively communicated with the first air outlet and the second air outlet; and the PLC controls the feeding and discharging of the proportioning bin, the weighing device and the reaction device and the opening and closing of the first pneumatic valve and the second pneumatic valve. The invention has the advantages of full automation, full sealing, no pollution, low cost and high efficiency.
Description
Technical Field
The invention relates to the technical field of weighing and feeding, in particular to weighing and feeding equipment for a salting-out process and a using method thereof.
Background
The weighing and feeding of the salting-out process need to be carried out through a plurality of steps, but because the existing raw material feeding system equipment of a factory is not enough, the feeding mode mostly adopts manual weighing, the materials are manually conveyed by a forklift, manual filling and auger conveying are carried out, and manual material watching and manual control of a switch are needed. The manual feeding mode has the advantages of high labor intensity, low cost and low efficiency, and simultaneously has a series of defects of poor dosage precision, large environmental influence and the like due to the adoption of platform scale weighing.
Although there are also many weighing and feeding devices on the market today, such as: the Chinese utility model discloses an automatic weighing and feeding device with application number 201620709304.X, which comprises a feeding mechanism and a weighing and transporting mechanism, wherein the feeding mechanism comprises a material turning hopper, a top arm, a hydraulic mechanism and a frame, the material turning hopper is connected with the hydraulic mechanism through the top arm, and the hydraulic mechanism is arranged at the lower part of the frame; the material turning hopper is characterized in that a buffering hopper is arranged at the discharging position of the material turning hopper, a material blocking plate is arranged at the discharging position of the buffering hopper, a discharging opening of the buffering hopper faces to a feeding opening of the weighing hopper, a weight sensor is arranged at the bottom of the weighing hopper, the weight sensor is arranged on the bracket and is connected with a weight display, and the lower part of the bracket is arranged on a roller. The automatic weighing and feeding device cannot solve the difficulty of weighing and feeding in the salting-out process, and cannot be totally closed, has no influence on the environment and is fully automatic.
Disclosure of Invention
The invention aims to provide weighing and feeding equipment for a salting-out process, which is full-automatic, full-closed, pollution-free, low in cost and high in efficiency, and a using method thereof, aiming at the defects of the prior art.
The invention solves the technical problem and adopts the technical scheme that weighing and feeding equipment for a salting-out process and a using method thereof are provided.
A weighing and feeding device for a salting-out process is characterized by comprising:
a proportioning bin;
a weighing device, the weighing device comprising: the separation dryer is provided with a first feeding hole communicated with the proportioning bin, the first feeding hole is provided with a first pneumatic valve, and the separation dryer is provided with a first air outlet; the feeding transfer bin is communicated with the separation dryer and is provided with a first discharge opening; the weighing bin is communicated with the first discharge opening, a weighing sensor and a weighing and batching instrument connected with the weighing sensor are arranged in the weighing bin, and the transition bin is communicated with the weighing bin;
a reaction apparatus, comprising: the transition bin is provided with a first feed inlet, a first pneumatic valve is arranged at the first feed inlet, and a first discharge port and a first gas outlet are arranged at the first discharge port; the reaction kettle is communicated with the second discharge opening;
the vacuum pump is respectively communicated with the first air outlet and the second air outlet;
and the PLC controls the feeding and discharging of the proportioning bin, the weighing device and the reaction device and the opening and closing of the first pneumatic valve and the second pneumatic valve.
One-stage vacuum sucking and conveying is formed between the batching bin and the separating dryer, and two-stage vacuum sucking and conveying is formed between the weighing bin and the feeding bin.
Preferably, the first air outlet is provided with a third pneumatic valve, the second air outlet is provided with a fourth pneumatic valve, and the third pneumatic valve and the fourth pneumatic valve are controlled by the PLC. The pneumatic valve controlled by the PLC is arranged at the air outlet, so that the air outlet can be opened when the material is sucked and can be closed when the material is stopped being sucked, and the negative influence on the vacuum pump caused by excessive residual material is avoided.
Preferably, the reaction device further comprises a stirring structure, wherein the stirring structure comprises a stirring shaft arranged in the reaction kettle and a stirring motor arranged outside the reaction kettle, the stirring motor drives the stirring shaft to rotate, and the stirring shaft is controlled by the PLC, and the PLC controls the stirring motor to fully stir the raw materials through a stirring frequency converter, so that the reaction is more fully performed.
Preferably, still include the former material crushing storehouse, the former material crushing storehouse with proportioning bins is connected. The step of crushing is also added, so that the manpower and material resources are better saved.
Preferably, the vacuum pump further comprises a buffer tank, the buffer tank is arranged between the vacuum pump and the first air outlet, and the second air outlet is communicated with the buffer tank. The buffer tank can play the roles of buffering pressure and stabilizing vacuum degree.
Preferably, the air conditioner further comprises a filter, and the filter is arranged between the second air outlet and the buffer tank. The filter further separates gas and impurities, and the purpose of protecting the vacuum pump is achieved.
Preferably, the filter is provided with a solvent adder and a liquid outlet, and the solvent adder and the liquid outlet are controlled by the PLC. And the PLC controls the solvent adder to add the solvent into the filter at equal flow according to the flow of the liquid outlet.
Preferably, the separation dryer and the feeding bin are both provided with dust traps. The gas in the separation dryer can be more effectively separated, the excess material entering the filter is effectively reduced, the workload of the filter is reduced, and the filtering effect is more remarkable.
By means of the device, the invention provides a using method of weighing and feeding equipment for a salting-out process, which is characterized by comprising the following steps:
step S1: the PLC automatic controller detects whether the proportioning bin is filled with raw materials or not and whether the separation dryer is full or not, if the proportioning bin is filled with the raw materials and the separation dryer is not full, the PLC automatic controller controls the first pneumatic valve to be opened to carry out primary vacuum suction and convey the raw materials to the separation dryer, the raw materials enter the feeding transfer bin after being separated and dried, and if the proportioning bin is not filled with the raw materials or the separation dryer is full, the PLC automatic controller controls the first pneumatic valve to be closed;
step S2: when the PLC automatic controller detects whether the weight in the weighing bin reaches a value set by the weighing and batching instrument, if the weight in the weighing bin reaches the value set by the weighing and batching instrument, the PLC automatic controller controls the first discharge port to close and stop feeding, and if the weight in the weighing bin does not reach the value set by the weighing bin, the PLC automatic controller keeps an open state;
and step S3: the PLC automatic controller detects whether a material exists in the transition bin, if the material exists in the transition bin, the PLC automatic controller controls the second pneumatic valve to be opened to carry out secondary vacuum suction and delivery of raw materials to the feeding bin, and if the material does not exist in the transition bin, the PLC automatic controller controls the second pneumatic valve to be closed;
preferably, step S4 is further provided after step S3:
and if the PLC detects that the material is in the feeding bin, controlling the feeding speed of the second discharging opening. Therefore, the reaction in the reaction kettle can reach the most appropriate feeding speed, and the reaction is further facilitated.
Preferably, the step S2 further includes a step S21, and the step S21: when the weight in the weighing bin reaches 4/5-9/10 of the set weight, the PLC controls the first discharge opening to reduce the feeding amount. Therefore, the accuracy of the feeding quantity can be improved, and the reaction is favorably carried out.
The invention has the following beneficial effects:
1. set up the separation desicator, can make raw materials and gas separation, also make the raw materials that have moisture after smashing can dry, more accurate when follow-up weighing again, can not glue on follow-up device moreover.
2. Set up the first pneumatic valve and the second pneumatic valve of PLC automatic control ware control, lack in the material and the proportioning bins when having the material in the material loading transfer bin, open the one-level vacuum and inhale the material, the evacuation is opened to first pneumatic valve received signal and the material is inhaled, when full material or proportioning bins material in the material loading transfer bin is used up, received signal and closing, after the interior raw materials of storehouse of weighing reachs appointed weight, the evacuation is opened and the material is inhaled to second pneumatic valve received signal, after the absorption finishes, received signal and closing.
3. Set up the first discharge opening and the second discharge opening of PLC automatic control ware control, when the raw materials in the storehouse of weighing reaches appointed weight, close first discharge opening, can prevent that the material loading from leading to subsequent material loading too much and then leading to the waste of raw materials and influence the reaction in the reation kettle too much, the rotational speed of the fan of control second discharge opening, can control the speed that the raw materials got into reation kettle, can control the admission speed of raw materials according to the most suitable raw materials inflow of reaction like this.
Drawings
FIG. 1 is a schematic diagram of the apparatus of the present invention;
FIG. 2 is a schematic view of the weighing apparatus of the present invention;
FIG. 3 is a schematic view of the structure of a reaction apparatus of the present invention;
FIG. 4 is a schematic diagram of the steps of the method of the present invention.
In the figure, 1, a weighing device, 11, a separation dryer, 111, a first feeding port, 112, a first air outlet, 12, a feeding transfer bin, 121, a first discharging port, 13, a weighing bin, 131, a weighing and batching instrument, 14, a transition bin, 2, a reaction device, 21, a feeding bin, 211, a second feeding port, 212, a second air outlet, 213 a second discharging port, 22, a reaction kettle, 23, a stirring structure, 231, a stirring shaft, 232, a stirring motor, 3, a batching bin, 4, a vacuum pump, 5, a buffer tank, 6, a filter, 7 and a raw material crushing bin.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
Example 1:
the weighing and feeding equipment for the salting-out process shown in figures 1 to 3 comprises a proportioning bin 3, a weighing device 1, a reaction device 2, a vacuum pump 4 and a PLC (programmable logic controller) automatic controller.
The weighing device 11 comprises a separation dryer 11, a feeding transfer bin 12, a weighing bin 13 and a transition bin 14.
The storehouse 13 that weighs communicates first discharge opening 121, is equipped with the weighing inductor in the storehouse 13 that weighs and weighs batching instrument 131 be connected with the weighing inductor.
The transition bin 14 is communicated with the weighing bin 131;
the reaction device 2 comprises an upper feed bin 21 and a reaction kettle 22.
The upper storage bin 21 is provided with a second feeding hole 211 communicated with the transition bin 14, the second feeding hole 211 is provided with a second pneumatic valve, the second pneumatic valve is controlled by a PLC (programmable logic controller), the two-stage vacuum suction and delivery of raw materials between the transition bin 14 and the upper storage bin 21 is realized, when the raw materials exist in the transition bin 14, the two-stage vacuum suction and delivery is started, the second pneumatic valve receives signals, starts to vacuumize and suck the materials, receives the signals and closes after the suction is finished, the upper storage bin 21 is provided with a second discharging hole 213 and a second gas outlet 212, the second discharging hole is controlled by the PLC, the rotating speed of a fan of the second discharging hole is controlled, the speed of the raw materials entering the reaction kettle can be controlled, and the entering speed of the raw materials can be controlled according to the most proper raw material entering amount;
the reaction vessel 22 communicates with the second discharge port 213.
The vacuum pump 4 is respectively communicated with the first air outlet 112 and the second air outlet 212.
And the PLC controls the feeding and discharging of the proportioning bin 3, the weighing device 1 and the reaction device 2 and the opening and closing of the first pneumatic valve and the second pneumatic valve.
Preferably, the first air outlet 112 is provided with a third pneumatic valve, the second air outlet 212 is provided with a fourth pneumatic valve, and the third pneumatic valve and the fourth pneumatic valve are controlled by a PLC automatic controller. Can open and can close the gas outlet when stopping inhaling the material when inhaling the material, avoid absorbing too much clout and increaseing harmful effects to vacuum pump 4.
Preferably, the reaction device 2 further comprises a stirring structure 23, the stirring structure 23 comprises a stirring shaft 231 arranged in the reaction kettle 22 and a stirring motor 232 arranged outside the reaction kettle 22, and the stirring motor 23 drives the stirring shaft 231 to rotate and is controlled by a PLC automatic controller. The PLC automatic controller controls the stirring motor to fully stir the raw materials through the stirring frequency converter, so that the reaction is more sufficient.
Preferably, a raw material crushing bin 7 is further included, which is connected to the batching bin 3. The step of crushing is also added, so that manpower and material resources are better saved.
Preferably, a buffer tank 5 is further included, and the buffer tank 5 is disposed between the vacuum pump 4 and the first air outlet 112 and is communicated with the second air outlet 212. The buffer tank 5 can play a role in buffering pressure and stabilizing vacuum degree.
Preferably, a filter 6 is further included, the filter 6 being disposed between the second air outlet 212 and the buffer tank 5. The filter 6 further separates the gas and impurities to protect the vacuum pump 4.
Preferably, the filter 6 is provided with a solvent adder and a liquid outlet, which are controlled by a PLC automation controller. And the PLC controls the solvent adder to add equal flow into the filter according to the flow of the liquid outlet.
Preferably, both the separation dryer 11 and the upper silo 21 are provided with dust traps. The gas in the separation dryer 11 can be more effectively separated, the excess material entering the filter 6 is effectively reduced, the work load of the filter is reduced, and the filtering effect is more remarkable.
Example 2:
the use method of the weighing and feeding equipment for the salting-out process as shown in figures 1 to 4 comprises the following steps:
step S1: the PLC automatic controller detects whether a raw material exists in the proportioning bin 3 and whether the separation dryer 11 is full, if the proportioning bin 3 has the raw material and the separation dryer 11 is not full, the PLC automatic controller controls the first pneumatic valve to be opened to carry out primary vacuum suction and send the raw material to the separation dryer 11, the raw material enters the feeding transfer bin 12 through the separation dryer 11, and if the proportioning bin 3 does not have the raw material or the separation dryer 11 is full, the PLC automatic controller controls the first pneumatic valve to be closed;
step S2: when the PLC detects whether the weight in the weighing bin 13 reaches the value set by the weighing and batching instrument 131, if the weight in the weighing bin 13 reaches the value set by the weighing and batching instrument 131, the PLC controls the first discharge opening 121 to close and stop feeding, and if the weight in the weighing bin 13 does not reach the value set by the weighing bin 131, the PLC keeps an opening state;
and step S3: the PLC detects whether a material exists in the transition bin 14 or not, if the material exists in the transition bin 14, the PLC controls a second pneumatic valve to be opened to suck and convey the raw material to the feeding bin 21 in a secondary vacuum manner, and if the material does not exist in the transition bin 14, the PLC controls the second pneumatic valve to be closed;
preferably, step S3 is followed by step S4:
if the PLC automatic controller detects that the feeding bin 21 is filled with materials, the feeding speed of the second discharging opening 213 is controlled. Therefore, the reaction in the reaction kettle can reach the most appropriate feeding speed, and the reaction is further facilitated.
Preferably, step S2 further comprises step S21: when the weight in the weighing bin 13 reaches 4/5-9/10 of the set weight, 8.5/10 is adopted in the embodiment, and the PLC automatic controller controls the first discharge opening (131) to reduce the feeding amount. Therefore, the accuracy of the feeding quantity can be improved, and the reaction is favorably carried out.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (7)
1. The weighing and feeding equipment for the salting-out process is characterized by comprising the following steps of:
a proportioning bin (3);
weighing device (1), said weighing device (1) comprising: the separating dryer (11), the separating dryer (11) is provided with a first feeding hole (111) which is communicated with the proportioning bin (3), the first feeding hole (111) is provided with a first pneumatic valve, and the separating dryer (11) is provided with a first air outlet (112); the feeding transfer bin (12), the feeding transfer bin (12) is communicated with the separation dryer (11), and the feeding transfer bin (12) is provided with a first discharge opening (121); the weighing bin (13) is communicated with the first discharge opening (121), and a weighing inductor and a weighing and batching instrument (131) connected with the weighing inductor are arranged in the weighing bin (13); the transition bin (14), the said transition bin (14) communicates with the said weighing bin (13);
a reaction device (2), the reaction device (2) comprising: the feeding bin (21) is provided with a second feeding port (211) communicated with the transition bin (14), the second feeding port (211) is provided with a second pneumatic valve, and the feeding bin (21) is provided with a second discharging port (213) and a second gas outlet (212); the reaction kettle (22), the reaction kettle (22) is communicated with the second discharge opening (213);
the vacuum pump (4), the vacuum pump (4) is respectively communicated with the first air outlet (112) and the second air outlet (212);
the PLC automatic controller controls the feeding and discharging of the proportioning bin (3), the weighing device (1) and the reaction device (2) and the opening and closing of the first pneumatic valve and the second pneumatic valve;
the first air outlet is provided with a third pneumatic valve, the second air outlet is provided with a fourth pneumatic valve, and the third pneumatic valve and the fourth pneumatic valve are controlled by the PLC;
the vacuum pump further comprises a buffer tank (5), the buffer tank (5) is arranged between the vacuum pump (4) and the first air outlet (112), and the second air outlet (212) is communicated with the buffer tank (5);
the gas-liquid separator further comprises a filter (6), wherein the filter (6) is arranged between the second gas outlet (212) and the buffer tank (5).
2. The weighing and feeding device for the salting-out process according to claim 1, wherein: reaction unit (2) still includes stirring structure (23), stirring structure (23) are including setting up (mixing) shaft (231) in reation kettle (22) is in with setting up reation kettle (22) outer agitator motor (232), agitator motor (232) drive (mixing) shaft (231) rotate, and by PLC automated control ware control.
3. The weighing and feeding device for the salting-out process according to claim 1, wherein: the filter (6) is provided with a solvent adder and a liquid outlet, and the solvent adder and the liquid outlet are controlled by the PLC.
4. The weighing and feeding device for the salting-out process according to claim 1, wherein: and the separation dryer (11) and the feeding bin (21) are both provided with dust catchers.
5. A method of using a weighing and feeding device suitable for a salting process according to claim 1, comprising the steps of:
step S1: the PLC automatic controller detects whether raw materials exist in the proportioning bin (3) or not and whether the separation dryer (11) is full, if the proportioning bin (3) has the raw materials and the separation dryer (11) is not full, the PLC automatic controller controls the first pneumatic valve to be opened to carry out primary vacuum suction and convey the raw materials to the separation dryer (11), the raw materials enter the feeding transfer bin (12) through separation and drying, and if no materials exist in the proportioning bin (3) or the separation dryer (11) is full, the PLC automatic controller controls the first pneumatic valve to be closed;
step S2: when the PLC detects whether the weight in the weighing bin (13) reaches a value set by the weighing and batching instrument (131), if the weight in the weighing bin (13) reaches the value set by the weighing and batching instrument (131), the PLC controls the first discharge opening (121) to close and stop feeding, and if the weight in the weighing bin (13) does not reach the value set by the weighing bin (13), the PLC keeps an opening state;
and step S3: the PLC automatic controller detects whether a material exists in the transition bin (14), if the material exists in the transition bin (14), the second pneumatic valve is controlled to be opened to suck and send the raw material to the feeding bin (21) in a secondary vacuum mode, and if the material does not exist in the transition bin (14), the second pneumatic valve is controlled to be closed.
6. Use according to claim 5, characterized in that: and a step S4 is also arranged after the step S3:
and if the PLC detects that the feeding bin (21) is filled with materials, controlling the feeding speed of the second discharging opening (213).
7. Use according to claim 5, characterized in that: the step S2 further includes a step S21, and the step S21: when the weight in the weighing bin (13) reaches 4/5-9/10 of the set weight, the PLC controls the first discharge opening (121) to reduce the feeding amount.
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| CN201710576459.XA CN107226354B (en) | 2017-07-14 | 2017-07-14 | Weighing and feeding equipment for salting-out process and using method thereof |
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| CN201710576459.XA CN107226354B (en) | 2017-07-14 | 2017-07-14 | Weighing and feeding equipment for salting-out process and using method thereof |
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| CN107226354B true CN107226354B (en) | 2023-04-14 |
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| CN108163493B (en) * | 2017-12-21 | 2019-07-12 | 吉林市晟源冶金渣环保综合利用有限公司 | Powder material weighing controls equipment and control method |
| CN110845513B (en) * | 2019-12-02 | 2021-04-27 | 青岛科技大学 | Synthetic method of aliphatic pentacyclic dianhydride |
| CN116902597B (en) * | 2023-09-05 | 2023-12-01 | 琥崧智能装备(太仓)有限公司 | Lithium battery powder material negative pressure conveying system |
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| GB1151548A (en) * | 1965-09-17 | 1969-05-07 | Komplex Nagyberendezesek Exp I | A device for the Continuous Conveyance of Powders |
| CN201857045U (en) * | 2010-10-12 | 2011-06-08 | 三一重工股份有限公司 | Full warehouse protection device for powder tank and powder tank |
| CN102730979A (en) * | 2012-06-29 | 2012-10-17 | 四川虹欧显示器件有限公司 | Feeding system for coating machine and control method |
| CN103101767B (en) * | 2013-03-13 | 2015-07-08 | 石家庄四药有限公司 | Enclosed transportation method of powder materials capable of absorbing moisture easily |
| CN204034577U (en) * | 2014-07-04 | 2014-12-24 | 易能（马鞍山）大气治理科技有限公司 | A kind of automatic batching system |
| CN105056856B (en) * | 2015-07-31 | 2017-04-05 | 温州大学瓯江学院 | A kind of reactor equipment for producing MBS |
| CN105752692B9 (en) * | 2016-04-11 | 2017-12-26 | 江阴市高达输送机械科技有限公司 | Reactor Geldart-D particle feeding system |
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