CN219885143U - Limestone feeding system and control device - Google Patents
Limestone feeding system and control device Download PDFInfo
- Publication number
- CN219885143U CN219885143U CN202320254340.1U CN202320254340U CN219885143U CN 219885143 U CN219885143 U CN 219885143U CN 202320254340 U CN202320254340 U CN 202320254340U CN 219885143 U CN219885143 U CN 219885143U
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- module
- limestone
- relay
- control unit
- dust remover
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- 239000006028 limestone Substances 0.000 title claims abstract description 66
- 235000019738 Limestone Nutrition 0.000 title claims abstract description 65
- 239000000428 dust Substances 0.000 claims abstract description 60
- 239000004744 fabric Substances 0.000 claims abstract description 34
- 238000007599 discharging Methods 0.000 claims abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 17
- 238000012544 monitoring process Methods 0.000 claims description 17
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 238000005303 weighing Methods 0.000 claims description 4
- 239000002699 waste material Substances 0.000 abstract description 6
- 230000003009 desulfurizing effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010409 ironing Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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- Control Of Conveyors (AREA)
Abstract
The utility model discloses a limestone feeding system and a control device, wherein a vibrating feeder, a conveyor, a bucket elevator, a top cloth bag dust remover between discharging and a top cloth bag dust remover in the feeding system are electrically connected with an external control unit, so that the feeding system is fully automatically controlled. The control device comprises a switch, a DC power supply, a distributed control unit, a relay control group, a dust remover module, a lifting machine module and a feeder module; the control device of the limestone feeding system further comprises a first delay module and a second delay module, and the first delay module and the second delay module are connected with the input port of the distributed control unit. Through setting up the delay start-up time of delay module, make feeding system start step by step, conveying efficiency is higher, has avoided causing the problem of electric power resource waste and artificial misoperation because personnel's technical level is different etc..
Description
Technical Field
The utility model relates to the technical field of conveying systems, in particular to a limestone feeding system and a control device.
Background
In a thermal power station, the emission standard can be met only by a desulfurization technology, and in the link, a limestone feeding and conveying device is involved, so that limestone is low in price and is often used for manufacturing a desulfurizing agent, and when the limestone is used as the desulfurizing agent, the limestone needs to be wet ground into slurry to serve as a desulfurizing absorbent. When the desulfurizing agent is prepared, limestone is required to be fed and discharged. In the related art, the loading and unloading device comprises a vibrating feeder, a bucket elevator, a conveying belt and the like.
For example, in chinese patent publication No. CN 207698643U, publication No. 2018.08.07, a limestone blanking device in a desulfurization pulping system is disclosed, comprising: the device comprises a dust remover, a limestone discharging hopper, a first metal separator, a vibrating feeder, a bucket elevator, a limestone bin, a conveyor and a wet mill; wherein the dust remover is positioned above the limestone discharging hopper and is used for removing dust. The blocky limestone passes through the limestone discharging hopper, and is conveyed to the wet mill through the vibrating feeder, the first metal separator, the bucket elevator, the limestone bin, the conveyor.
However, the current feeding and conveying device has the following defects:
1) Single-point starting operation is complex, and misoperation is easy to occur;
the existing feeding control system is started by starting the dust remover firstly, and starting the bucket elevator, and starting the vibratory feeder after the current of the bucket elevator is normal. In the process, misoperation is easy to occur due to excessive manual operation.
2) The starting is judged manually, and waste is caused in the middle;
when the traditional feeding system starts each single system, the next-stage equipment is started after the successful starting is manually made. In the process, the time interval between the single systems is different due to different personnel technical levels and the like, and the electric power is wasted.
Disclosure of Invention
In order to overcome the problems in the prior art, the utility model aims to provide the limestone feeding system and the control device, so that the feeding system is fully automatically controlled, the conveying efficiency is higher, and the problems of power resource waste and human misoperation caused by different technical levels of personnel and the like are avoided.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the limestone feeding system comprises a vibrating feeder, a conveyor, a bucket elevator and a limestone block bin, wherein the limestone feeding system further comprises a top cloth bag dust collector and a bin top cloth bag dust collector between unloading, and the vibrating feeder, the conveyor, the bucket elevator, the top cloth bag dust collector between unloading and the bin top cloth bag dust collector are electrically connected with an external control unit.
The utility model is further provided with: the limestone feeding system further comprises a discharging hopper and a vibrating grate plate, wherein the discharging hopper is positioned above the vibrating feeder, and the vibrating grate plate is arranged at the top of the discharging hopper.
The utility model is further provided with: the bucket elevator has low level pan feeding mouth and high-order discharge gate, the discharge gate of vibrating feeder link up the conveyer, the conveyer has the blanking end, the blanking end sets up in bucket elevator low level pan feeding mouth top, bucket elevator high-order discharge gate department sets up the conveyer pipe, the conveyer pipe discharge gate is located limestone block storehouse top.
The utility model is further provided with: the conveyor is a belt conveyor, and an iron remover is arranged on the conveyor.
The utility model is further provided with: the limestone feeding system further comprises a compressed air machine and a centrifugal fan, wherein the compressed air machine is respectively connected with the top cloth bag dust remover and the top cloth bag dust remover of the unloading room, and the top cloth bag dust remover of the unloading room are respectively connected with the centrifugal fan; the top cloth bag dust remover is arranged at the top of the unloading room where the unloading hopper is arranged, and the top cloth bag dust remover is arranged at the top of the limestone block bin.
The utility model is further provided with: the top of the limestone block bin is also provided with a bin top level gauge, the bottom of the limestone block bin is provided with a discharging pipe, and the discharging pipe is connected with a weighing feeder; the discharging pipe is also provided with a bar valve.
The control device of the limestone feeding system is suitable for the limestone feeding system and comprises a switch, a DC power supply, a distributed control unit, a relay control group, a dust remover module, a lifting machine module and a feeder module;
the internal chip of the distributed control unit is provided with a plurality of ports, and the switch is connected with the input port of the distributed control unit; the relay control group is electrically connected with the output port of the distributed control unit;
the limestone feeding system control device also comprises a first delay module and a second delay module, wherein the first delay module and the second delay module are connected with an input port of the distributed control unit;
the relay control group comprises a first relay, a second relay and a third relay; the first relay is electrically connected with the dust remover module, the second relay is electrically connected with the elevator module, and the third relay is electrically connected with the feeder module;
the DC power supply is used for supplying power to the distributed control unit, the relay control group, the dust remover module, the elevator module and the feeder module;
the switch is used for sending a starting program instruction to the distributed control unit.
The utility model is further provided with: the dust collector module comprises a top cloth bag dust collector motor and a top cloth bag dust collector motor between unloading, and the top cloth bag dust collector motor between unloading are respectively electrically connected with the first relay.
The utility model is further provided with: the feeder module comprises a vibrating feeder motor, a conveyor motor and an iron remover motor, wherein the conveyor motor is connected with the iron remover motor in parallel and is electrically connected with a third relay, and the vibrating feeder motor is electrically connected with the third relay.
The utility model is further provided with: the limestone feeding system control device also comprises a monitoring module, wherein the monitoring module comprises a current sensor; the elevator module comprises a bucket elevator motor, and the monitoring module is electrically connected with the bucket elevator and the distributed control unit; when the monitoring module detects that the motor current of the bucket elevator is smaller than 28A or larger than 36A, the control device of the limestone feeding system is stopped in an interlocking way.
In summary, the technical scheme of the utility model has the following beneficial effects:
1. the limestone feeding system is fully automatically controlled, the conveying efficiency is higher, and the problems of large starting time interval difference and human misoperation caused by different personnel technical levels and the like are avoided.
2. The electric power is saved, and the waste caused by manual judgment and starting in the middle is reduced; after each single system is started by the traditional feeding system and the starting success is judged manually, the next-stage equipment is started. In the process, the time interval between the single systems is different in power waste due to different technical levels of personnel and the like, and the optimal time for linking the systems is obtained through experiments and then built into logic. Therefore, the electric power resource waste caused by different technical levels of personnel and the like is avoided, and the station service electricity is saved.
3. And a monitoring module is added, and the whole system is stopped in an interlocking way by taking the motor current of the bucket elevator as a reference value in the stopping process, so that the phenomenon that the system idles due to untimely discovery of monitoring staff is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a limestone feed system;
fig. 2 is a schematic structural diagram of a control device of the limestone feed system.
In the drawings, the list of components represented by the various numbers is as follows:
100-distributed control units, 200-switches, 300-relay control groups, 400-dust collector modules, 500-elevator modules, 600-feeder modules, 700-monitoring modules, 800-first delay modules and 900-second delay modules;
the device comprises a 1-vibration feeder, a 11-discharge hopper, a 12-vibration grate plate, a 2-conveyor, a 21-iron remover, a 3-bucket elevator, a 4-limestone block bin, a 5-bar valve, a 6-weighing feeder, a 7-compressed air machine, an 8-bin top bag dust remover, a 9-discharge room top bag dust remover and a 10-centrifugal fan.
Detailed Description
In order to make the technical solution of the present utility model better understood by those skilled in the art, the technical solution of the present utility model will be clearly and completely described in the following with reference to the accompanying drawings, and based on the embodiments of the present utility model, other similar embodiments obtained by those skilled in the art without making any inventive effort should be included in the scope of protection of the present utility model. In addition, directional words such as "upper", "lower", "left", "right", and the like, as used in the following embodiments are merely directions with reference to the drawings, and thus, the directional words used are intended to illustrate, not to limit, the utility model.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," and/or the like, specify the presence of stated features, integers, steps, operations, elements, components, or groups thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or groups thereof. Meanwhile, the term used in the present specification includes any and all combinations of the items listed in association.
The utility model will be further described with reference to the drawings and preferred embodiments.
Example 1:
as shown in fig. 2, in a preferred embodiment of the present utility model, a limestone loading system includes a vibratory feeder 1, a conveyor 2, a bucket elevator 3, and a limestone block bin 4, the limestone loading system further includes a top-of-discharge bag-type dust collector 9 and a top-of-bin bag-type dust collector 8, and the vibratory feeder 1, the conveyor 2, the bucket elevator 3, the top-of-discharge bag-type dust collector 9 and the top-of-bin bag-type dust collector 7 are all electrically connected with an external control unit.
The limestone feeding system further comprises a discharge hopper 11 and a vibration grate plate 12, wherein the discharge hopper 11 is positioned above the vibration feeder 1, and the vibration grate plate 12 is arranged at the top of the discharge hopper 11.
The bucket elevator 3 is provided with a low-level feed port and a high-level discharge port, the discharge port of the vibrating feeder 1 is connected with the conveyor 2, the conveyor 2 is provided with a blanking end, the blanking end is arranged above the low-level feed port of the bucket elevator 3, a conveying pipe is arranged at the high-level discharge port of the bucket elevator 3, and the discharge port of the conveying pipe is arranged above the limestone block bin 4.
The conveyor 2 is a belt conveyor, and the conveyor 2 is provided with an iron remover 21.
The limestone feeding system further comprises a compressed air machine 7 and a centrifugal fan 10, wherein the compressed air machine 7 is respectively connected with a top cloth bag dust remover 9 and a top cloth bag dust remover 8 between unloading, and the top cloth bag dust remover 9 and the top cloth bag dust remover 8 between unloading are respectively connected with the centrifugal fan 10; the top cloth bag dust remover 9 is arranged at the top of the unloading room where the unloading hopper 11 is arranged, and the top cloth bag dust remover 8 is arranged at the top of the limestone block bin 4.
The top of the limestone block bin 4 is also provided with a bin top level gauge 41, the bottom of the limestone block bin 4 is provided with a discharge pipe, and the discharge pipe is connected with a weighing feeder 6; the discharging pipe is also provided with a bar valve 5.
Example 2:
referring to fig. 1, a control device for a limestone loading system according to a preferred embodiment of the present utility model is suitable for the limestone loading system, and includes a switch 200, a DC power supply, a distributed control unit 100, a relay control unit 300, a dust collector module 400, a lifter module 500, and a feeder module 600;
the internal chip of the distributed control unit 100 is provided with a plurality of ports, and the switch 200 is connected with the input port of the distributed control unit 100; the relay control group 300 is electrically connected with the output port of the distributed control unit 100;
the limestone feeding system control device also comprises a first delay module 800 and a second delay module 900, wherein the first delay module 800 and the second delay module are connected with an input port of the 900 distributed control unit 100;
the relay control group 300 includes a first relay, a second relay, and a third relay; the first relay is electrically connected with the dust remover module 400, the second relay is electrically connected with the elevator module 500, and the third relay is electrically connected with the feeder module 600;
the DC power supply is used to power the distributed control unit 100, the relay control group 300, the dust collector module 400, the elevator module 500, and the feeder module 600;
the switch 200 is used to issue a start-up program instruction to the distributed control unit 100.
The dust collector module 400 comprises a top cloth bag dust collector motor and a top cloth bag dust collector motor between the unloading and the top cloth bag dust collector motor which are respectively electrically connected with the first relay.
The feeder module 600 includes a vibrating feeder motor, a conveyor motor and a de-ironing separator motor, the conveyor motor is electrically connected with the de-ironing separator motor in parallel and the third relay, and the vibrating feeder motor is electrically connected with the third relay.
The limestone feeding system control device also comprises a monitoring module 700, wherein the monitoring module 700 comprises a current sensor; the elevator module 500 comprises a bucket elevator motor, and the monitoring module 700 is electrically connected with the bucket elevator motor and the distributed control unit 100; when the monitoring module 700 detects that the motor current of the bucket elevator is smaller than 28A or larger than 36A, the control device of the limestone feeding system is stopped in an interlocking way.
Example 3:
in actual operation, the switch 200 is configured to; in this embodiment, the switch 200 is provided with an "on" bit and an "off" bit, and when the switch 200 is in the "on" bit, an instruction signal for starting the feeding system is sent; when the switch 200 is in the off position, an instruction signal for stopping the feeding system is sent; the switch 200 is directly powered by a DC power supply.
The step-by-step control unit 100 is configured to receive an instruction signal for starting the feeding system or stopping the feeding system sent by the switch 200, and send a program instruction according to the received instruction signal for starting the feeding system or stopping the feeding system, and the step-by-step control unit 100 is in communication connection with the switch 200; the step-wise control unit 100 is directly powered by a DC power supply.
When the switch 200 is in the "on" position, the step-by-step control unit 100 receives the instruction signal for starting the feeding system, and the first relay starts the top cloth bag dust collector motor and the top cloth bag dust collector motor of the unloading compartment; at this time, the timer in the first delay module 800 starts to count, and after 30 seconds, the distributed control unit 100 receives a signal for starting the elevator module 500; the second relay is connected with a starting bucket elevator motor after receiving an instruction for starting the elevator module 500; after the bucket elevator motor is started, the second delay module 900 starts timing, and after 30 seconds, the distributed control unit 100 receives a signal to start the feeder module 600, and the third relay starts the vibrating feeder motor, the conveyor motor and the iron remover motor.
The monitoring module 700 is electrically connected with the bucket elevator motor and the distributed control unit 100; when the monitoring module 700 detects that the current of the bucket elevator motor is smaller than 28A or larger than 36A, the control device of the limestone feeding system is stopped in an interlocking way.
When the switch 200 is in the "off" position, the step control unit 100 receives the command signal for stopping the feeding system ", the third relay is turned off, and the feeder module 600 is stopped, at this time, the first delay module 800 starts to count time, and the 60 second distributed control unit 100 receives the signal for stopping the elevator module 500; the second relay is disconnected after receiving the command of the shutdown hoist module 500, and the bucket elevator motor is shutdown; the second delay 900 begins to count time, after 30 seconds, the distributed control unit 100 receives the shutdown dust collector module 400 signal, the first relay is turned off, and the top bag dust collector motor of the cabin are shut down.
Finally, it should be noted that the above-mentioned examples only represent several embodiments of the utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (9)
1. The limestone feeding system comprises a vibrating feeder, a conveyor, a bucket elevator and a limestone block bin, and is characterized by further comprising a top cloth bag dust remover and a top cloth bag dust remover between unloading, wherein the vibrating feeder, the conveyor, the bucket elevator, the top cloth bag dust remover between unloading and the top cloth bag dust remover are electrically connected with an external control unit;
the control unit comprises a switch, a DC power supply, a distributed control unit, a relay control group, a dust remover module, a lifting machine module and a feeder module;
the internal chip of the distributed control unit is provided with a plurality of ports, and the switch is connected with the input port of the distributed control unit; the relay control group is electrically connected with the output port of the distributed control unit;
the control unit further comprises a first delay module and a second delay module, and the first delay module and the second delay module are connected with the input port of the distributed control unit;
the relay control group comprises a first relay, a second relay and a third relay; the first relay is electrically connected with the dust remover module, the second relay is electrically connected with the elevator module, and the third relay is electrically connected with the feeder module;
the DC power supply is used for supplying power to the distributed control unit, the relay control group, the dust remover module, the elevator module and the feeder module;
the switch is used for sending a starting program instruction to the distributed control unit.
2. The limestone feed system of claim 1, further comprising a discharge hopper and a vibrating grate, wherein the discharge hopper is positioned above the vibratory feeder, and the vibrating grate is positioned at the top of the discharge hopper.
3. A limestone loading system according to claim 2 wherein the bucket elevator has a lower feed port and an upper discharge port, the discharge port of the vibratory feeder is connected to the conveyor, the conveyor has a blanking end, the blanking end is disposed above the lower feed port of the bucket elevator, the upper discharge port of the bucket elevator is provided with a delivery tube, and the delivery tube discharge port is disposed above the limestone bin.
4. A limestone feed system according to claim 3 wherein the conveyor is a belt conveyor and the conveyor is provided with an iron remover.
5. The limestone feed system of claim 4, further comprising a compressed air machine and a centrifugal fan, wherein the compressed air machine is respectively connected with the top cloth bag dust remover and the top cloth bag dust remover of the unloading room, and the top cloth bag dust remover of the unloading room are respectively connected with the centrifugal fan; the top cloth bag dust remover is arranged at the top of the unloading room where the unloading hopper is arranged, and the top cloth bag dust remover is arranged at the top of the limestone block bin.
6. The limestone feed system of claim 5 wherein a top of the limestone block bin is further provided with a bin top level gauge and a bottom of the limestone block bin is provided with a discharge pipe, the discharge pipe being connected to the weighing feeder; the discharging pipe is also provided with a bar valve.
7. The limestone feed system of claim 6, wherein the dust collector module is electrically connected with the top bag collector and the top bag collector between the discharge and controls the start and stop of the top bag collector motor and the top bag collector motor between the discharge and the top bag collector motor are electrically connected with the first relay respectively.
8. The limestone feed system of claim 7 wherein the feeder module is electrically connected to the vibratory feeder, the conveyor, and the bucket elevator for controlling the start and stop of the vibratory feeder motor, the conveyor motor, and the iron remover motor, wherein the conveyor motor is electrically connected in parallel with the iron remover motor and is electrically connected to the third relay, and wherein the vibratory feeder motor is electrically connected to the third relay.
9. The limestone feed system of claim 8, further comprising a monitoring module, the monitoring module comprising a current sensor; the elevator module comprises a bucket elevator motor, and the monitoring module is electrically connected with the bucket elevator and the distributed control unit; when the monitoring module detects that the motor current of the bucket elevator is smaller than 28A or larger than 36A, the limestone feeding system is stopped in an interlocking mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320254340.1U CN219885143U (en) | 2023-02-20 | 2023-02-20 | Limestone feeding system and control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320254340.1U CN219885143U (en) | 2023-02-20 | 2023-02-20 | Limestone feeding system and control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219885143U true CN219885143U (en) | 2023-10-24 |
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ID=88400221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320254340.1U Active CN219885143U (en) | 2023-02-20 | 2023-02-20 | Limestone feeding system and control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219885143U (en) |
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- 2023-02-20 CN CN202320254340.1U patent/CN219885143U/en active Active
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