CN216271629U - Ash conveying equipment and ash discharge control device - Google Patents
Ash conveying equipment and ash discharge control device Download PDFInfo
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- CN216271629U CN216271629U CN202121773192.1U CN202121773192U CN216271629U CN 216271629 U CN216271629 U CN 216271629U CN 202121773192 U CN202121773192 U CN 202121773192U CN 216271629 U CN216271629 U CN 216271629U
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Abstract
The utility model belongs to the field of cement ash discharge equipment, and particularly relates to ash conveying equipment and an ash discharge control device, wherein the ash conveying equipment comprises: the feeding machine is arranged at the outlet of the ash bucket; the zipper machine is connected with the feeding machine; the frequency converter is connected with the zipper machine; the ash amount monitoring assembly is arranged on the ash bucket; and the control cabinet is respectively connected with the feeding machine, the zipper machine, the frequency converter and the ash amount monitoring assembly. An ash discharge control device comprises a plurality of groups of ash conveying equipment. The utility model realizes the economical operation of the ash discharge device matched with the ash discharge amount of the dust removing equipment and achieves the purposes of energy saving and carbon reduction.
Description
Technical Field
The utility model belongs to the field of cement ash discharge equipment, and particularly relates to ash conveying equipment and an ash discharge control device.
Background
At present, cement industry dust collecting equipment ash discharging device is mostly the ash of fixed quantity row, because receive the undulant influence of operating condition parameter, the normal operating under the unusual operating mode of satisfying is considered in the design of ash discharging device's conveying capacity, consequently normally according to the design of 2-3 times of the normal ash volume of dust collecting equipment down, the ash conveying volume when ash discharging device moves is far more than the normal ash volume of dust collecting equipment down, ash discharging device is continuous operation simultaneously, not only cause the energy extravagant like this, and ash discharging device is in high-speed operation for a long time and arouses equipment wear easily, the life of ash discharging device has been reduced.
In addition, the ash conveying capacity of the ash discharging device is 2-3 times of the normal ash discharge capacity of the dust removing equipment, the ash conveying capacity is far larger than the normal ash discharge capacity, and meanwhile, the ash discharging device is in continuous operation, so that energy waste is caused, equipment abrasion is easily caused when the ash discharging device is operated at a high speed for a long time, and the service life of the ash discharging device is shortened.
In order to solve the problems, the utility model provides an ash conveying device and an ash discharge control device.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to solve at least one of the above problems or disadvantages and to provide at least one advantage which will be described later.
The utility model also aims to provide the ash conveying equipment and the ash discharge control device, which can avoid equipment loss caused by frequent starting and stopping of the ash discharge device at the critical point near the material level indicator, realize economical operation of the ash discharge device matched with the ash discharge amount of the dust removal equipment and achieve the purposes of energy conservation and carbon reduction.
To achieve these objects and other advantages in accordance with the purpose of the utility model, there is provided an ash conveying apparatus including:
the feeding machine is arranged at the outlet of the ash bucket;
the zipper machine is connected with the feeding machine;
the frequency converter is connected with the zipper machine;
the ash amount monitoring assembly is arranged on the ash bucket;
and the control cabinet is respectively connected with the feeding machine, the zipper machine, the frequency converter and the ash amount monitoring assembly.
Preferably, ash amount monitoring subassembly includes high charge level indicator and low charge level indicator, high charge level indicator sets up 2/3 departments of ash bucket height from bottom to top, low charge level indicator sets up 1/3 departments of ash bucket height from bottom to top, high charge level indicator with low charge level indicator all with the switch board is connected.
Preferably, the ash bucket also comprises a pressure guiding pipe, wherein the pressure guiding pipe is provided with a stop valve, one end of the pressure guiding pipe is connected with the ash bucket, and the other end of the pressure guiding pipe is a free end;
the connection part of one end of the pressure guiding pipe and the ash hopper and the connection part of the high material level meter and the ash hopper are positioned on the same horizontal plane.
Preferably, the zipper machine further comprises a variable frequency motor, the variable frequency motor is arranged inside the zipper machine 2, and the constant torque of the variable frequency motor is 5-50 Hz.
Preferably, the control cabinet is provided with a PLC and a time relay, and the time relay is connected with the PLC.
Preferably, the zipper machine is connected with a plurality of feeders, and one end of the zipper machine is provided with a dust outlet.
The utility model also provides an ash discharge control device which comprises a plurality of groups of the ash conveying equipment.
The utility model has the advantages of
1. According to the ash discharge control device provided by the utility model, the ash amount monitoring component is adopted to control the ash conveying amount, the continuous operation mode of high rotating speed and large ash discharge amount of the original ash discharge device is changed, the purposes of energy conservation and carbon reduction are realized, the abrasion of ash discharge equipment is reduced, and the service life is prolonged.
2. The ash conveying equipment provided by the utility model can avoid frequent starting of the ash discharging device, and has a safety protection effect.
3. The ash conveying equipment provided by the utility model is additionally provided with manual ash discharge, so that the electrical components are prevented from losing efficacy under an emergency.
Drawings
FIG. 1 is a schematic structural view of an ash conveying apparatus according to the present invention;
FIG. 2 is a schematic structural view of an ash discharge control device according to the present invention;
the device comprises an ash hopper 1, a feeder 2, a zipper machine 3, a frequency converter 4, a control cabinet 5, a high level indicator 6, a low level indicator 7, a pressure guide pipe 8 and a stop valve 9.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the utility model by referring to the description text.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof; the terms "first", "second", front "," back "," left "and" right "are not intended to limit the scope of the present invention.
The utility model provides an ash conveying device, comprising:
the feeding machine 2 is arranged at the outlet of the flange below the ash bucket 1;
a zipper machine 3 connected to the feeder 2;
a frequency converter 4 connected to the zipper machine 3;
an ash amount monitoring component arranged on the ash bucket 1;
and the control cabinet 5 is respectively connected with the feeding machine 2, the zipper machine 3, the frequency converter 4 and the ash amount monitoring assembly.
Aiming at the problems of low use efficiency and equipment abrasion of the ash discharging device, the energy-saving and carbon-reducing control is adopted for the ash discharging system, the frequency-modulation variable-speed control is carried out by additionally arranging a frequency converter to control the ash conveying capacity of the ash discharging device, and the ash amount monitoring component monitors the ash amount of an ash bucket.
Specifically, ash amount monitoring subassembly includes high charge level indicator 6 and low charge level indicator 7, high charge level indicator 6 sets up the 2/3 department of ash bucket height from bottom to top, low charge level indicator 7 sets up the 1/3 department of ash bucket height from bottom to top, high charge level indicator 6 with low charge level indicator 7 all with switch board 5 is connected, high charge level indicator 6 with low charge level indicator 7 all exports output signal to switch board 5, by switch board 5 according to the signal of accepting, controls opening and stopping that corresponds batcher 2 (for rigidity impeller batcher) to 4 output frequency conversion signal to converter, draw the machine realization frequency conversion by 4 control of converter, converter 4 is installed in a frequency conversion control cabinet.
Concretely, still include the pressure pipe 8 that draws, it is provided with stop valve 9, draw and press pipe 8 one end with ash bucket 1 is connected, and the pressure pipe 8 other end is the free end, draw and press pipe 8 one end with ash bucket 1's junction with high charge level indicator 6 with ash bucket 1's junction is in on the same horizontal plane, the free end of pressure pipe 8 is drawn to ground personnel operation department by height such as ash high charge level indicator 6.
Dust collecting equipment is normal during operation, be the negative pressure in the ash bucket, pressure pipe 8 opens stop valve 9 and has suction (artifical body is felt), if the ash volume is accumulated and is gathered up to when high charge level indicator is above, pressure pipe is plugged up to ash in the ash bucket, and no suction (artifical body is felt), automatic control still does not control rigid impeller feeder and draws zipper machine to start, regard as relevant automatically controlled original paper inefficacy, the artifical rigid impeller feeder that opens corresponding and promote the zipper machine frequency, every appearance, draw zipper machine 2 frequency promotion 1/n (n is the quantity of rigid impeller)
The manual detection is additionally arranged at the position, so that the problem that the electrical elements are damaged and cannot start ash conveying when the working condition is severe is solved (the high and low material level fails and the time relay fails), and the inspection personnel manually starts the operation.
The zipper machine is characterized by further comprising a variable frequency motor, the variable frequency motor is arranged inside the zipper machine 2, the constant torque of the variable frequency motor is 5-50Hz, and the variable frequency motor controls the zipper machine to be started and closed.
Specifically, the control cabinet is provided with a PLC (basically all PLCs can realize general functions) and a time relay, and the time relay is connected with the PLC.
Specifically, draw the zipper machine and connect a plurality ofly the batcher, the one end of drawing the zipper machine sets up the ash hole.
The utility model also provides an ash discharge control device which comprises a plurality of groups of the ash conveying equipment.
The zipper machine connects a plurality of rigid impeller feeders (one-way ash buckets in the same airflow direction) to form a single ash conveying unit, and the ash discharge control device can be composed of a plurality of ash conveying units.
According to single defeated grey unit by n ash buckets with correspond n rigidity rotary feeder, a zip fastener machine and high charge level indicator and low charge level indicator, the pressure pipe on every ash bucket constitute, then theory of operation as follows:
a. frequency conversion control of the frequency converter:
when no signal is output by the high level indicator or the low level indicator, the low-voltage control cabinet does not receive a signal, the low-voltage control cabinet controls the n rigid impeller feeders of the ash conveying unit to be completely closed, the low-voltage control cabinet outputs a signal to the variable-frequency control cabinet, and the variable-frequency control cabinet controls the zipper machine motor to continuously operate according to the lowest frequency of 5Hz (5-50 adjustable);
when n high charge level indicators or low charge level indicators output signals, the low-voltage control cabinet receives n signals, the low-voltage control cabinet controls the n rigid impeller feeders of the ash conveying unit to operate completely, the low-voltage control cabinet outputs signals to the variable-frequency control cabinet, and the variable-frequency control cabinet controls the zipper machine motor to operate continuously at the highest frequency of 50Hz (5-50 adjustable);
when part of the high level indicators or the low level indicators have no output signals, the low-voltage control cabinet receives part of the quantity signals, the low-voltage control cabinet controls the rigid impeller feeder corresponding to the signals of the ash conveying unit to stop running, the low-voltage control cabinet outputs signals to the variable-frequency control cabinet, and the variable-frequency control cabinet controls the zipper machine to run according to the frequency reduction by 1/n (adjustable) according to the reduction of 1 high level indicator or low level indicator signal.
b. Time protection (time protection is added to avoid causing frequent start and stop of an ash discharging device at a critical point near a high-low charge level indicator, so that equipment loss is caused, the ash discharging device and dust removing equipment are operated economically and the ash amount is matched, and the purposes of energy conservation and carbon reduction are achieved):
when the ash amount in the ash bucket is on the low level indicator, the low level indicator outputs a signal, the low-pressure control cabinet opens the corresponding rigid impeller feeder of the ash bucket, when the ash is discharged to the lower part of the low level indicator, the low level indicator has no output signal, the low-pressure control cabinet closes the corresponding rigid impeller feeder, the process time is short (the ash bucket is in a shape of a cone with a large upper part and a small lower part, the time is about several minutes, and is determined according to the ash bucket, the ash bucket amount and the ash bucket size), in order to avoid frequent opening of the rigid impeller feeder, delay time is given, the delay time is determined according to the ash bucket size and different working conditions, and the required time is from the low level opening to the emptying; the delay time is the ash amount in the ash hopper/(ash discharging capacity of an ash discharging system-ash discharging capacity of the ash hopper of the system) when the low material level meter outputs signals, namely when the low material level meter outputs signals, the low-pressure control cabinet controls the corresponding rigid impeller feeder to operate, the operation is continuously carried out until ash is discharged and stored, the zipper machine operates according to the corresponding frequency and recovers after response time, the feeder delays, the zipper machine delays according to the corresponding power as well, and then the requirement according to 1/n is recovered;
if the continuous ash amount of the low material level meter is calculated to be above the low material level meter, no signal is output in the time below the high material level meter (the time required by the ash amount of the ash bucket to reach the high material level meter is determined according to the size of the ash bucket and the ash discharge amount), the low-pressure control cabinet controls the corresponding rigid impeller feeder to be opened, the frequency of the zipper machine is increased by 1/n, and the zipper machine continuously runs until the ash is discharged and stored.
Because the zipper machine and the rigid impeller feeder both receive the output signal action of the high level indicator or the low level indicator, the zipper machine and the rigid impeller feeder do not have direct correlation, in order to ensure the ash discharge sequence, when the output signal of the high level indicator or the low level indicator is required, the low-pressure control cabinet controls the ash discharge starting sequence to start the zipper machine firstly and then start the rigid impeller feeder, and the stopping sequence to stop the rigid impeller feeder firstly and then stop the zipper machine.
The utility model provides an energy-saving and carbon-reducing ash discharge control device.A ash discharge system can adjust the ash conveying amount of the ash discharge device or close the ash discharge device according to the ash discharge amount of a dust removing device, so that the ash discharge device can be ensured to run at the maximum ash conveying amount under abnormal working conditions, and the ash discharge device can be controlled to be in a low rotating speed or closed state when the ash discharge amount is small, thereby playing the roles of saving energy, reducing carbon and reducing abrasion.
Other alternative embodiments of the utility model will not be described in detail herein.
While embodiments of the utility model have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the utility model pertains, and further modifications may readily be made by those skilled in the art, it being understood that the utility model is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (7)
1. An ash conveying apparatus, comprising:
the feeding machine is arranged at the outlet of the ash bucket;
the zipper machine is connected with the feeding machine;
the frequency converter is connected with the zipper machine;
the ash amount monitoring assembly is arranged on the ash bucket;
and the control cabinet is respectively connected with the feeding machine, the zipper machine, the frequency converter and the ash amount monitoring assembly.
2. The ash conveying apparatus of claim 1, wherein the ash amount monitoring assembly includes a high level gauge and a low level gauge, the high level gauge is disposed at 2/3 of the bottom-up height of the ash bucket, the low level gauge is disposed at 1/3 of the bottom-up height of the ash bucket, and both the high level gauge and the low level gauge are connected to the control cabinet.
3. The ash conveying equipment as claimed in claim 2, further comprising a pressure pipe provided with a stop valve, one end of the pressure pipe being connected to the ash hopper, the other end of the pressure pipe being a free end;
the connection part of one end of the pressure guiding pipe and the ash hopper and the connection part of the high material level meter and the ash hopper are positioned on the same horizontal plane.
4. The ash conveying apparatus according to claim 1, further comprising a variable frequency motor disposed inside the zipper machine 2, wherein the constant torque of the variable frequency motor is 5 to 50 Hz.
5. The ash conveying apparatus as claimed in claim 1, wherein the control cabinet is provided with a PLC and a time relay, and the time relay is connected to the PLC.
6. The ash conveying device as claimed in claim 1, wherein the zipper machine is connected with a plurality of feeding machines, and one end of the zipper machine is provided with an ash outlet.
7. An ash discharge control apparatus comprising a plurality of sets of the ash conveying device according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121773192.1U CN216271629U (en) | 2021-07-30 | 2021-07-30 | Ash conveying equipment and ash discharge control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121773192.1U CN216271629U (en) | 2021-07-30 | 2021-07-30 | Ash conveying equipment and ash discharge control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216271629U true CN216271629U (en) | 2022-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121773192.1U Active CN216271629U (en) | 2021-07-30 | 2021-07-30 | Ash conveying equipment and ash discharge control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216271629U (en) |
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2021
- 2021-07-30 CN CN202121773192.1U patent/CN216271629U/en active Active
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Address after: 710075 7th floor, block B, Huajing Plaza, No.20, Fenghui South Road, high tech Zone, Xi'an City, Shaanxi Province Patentee after: Xi'an Longjing Environmental Protection Technology Co.,Ltd. Address before: 710075 7th floor, block B, Huajing Plaza, No.20, Fenghui South Road, high tech Zone, Xi'an City, Shaanxi Province Patentee before: XI'AN XIKUANG ENVIRONMENTAL PROTECTION Co.,Ltd. |