CN214809247U - Gap, constant pressure and automatic control operation system for high-energy-saving dust filtration of cotton spinning - Google Patents
Gap, constant pressure and automatic control operation system for high-energy-saving dust filtration of cotton spinning Download PDFInfo
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- CN214809247U CN214809247U CN202121584276.0U CN202121584276U CN214809247U CN 214809247 U CN214809247 U CN 214809247U CN 202121584276 U CN202121584276 U CN 202121584276U CN 214809247 U CN214809247 U CN 214809247U
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Abstract
A gap, constant pressure and automatic control operation system for cotton spinning high energy-saving dust filtration relates to the technical field of textile dust filtration systems and comprises a plurality of single machines, wherein each single machine is provided with a lower suction point air pipe and an upper suction point air pipe, and the lower suction point air pipe and the upper suction point air pipe are connected in parallel and then connected with a single machine main air pipe; the operation system also comprises a main air pipe erected in the air, the outlet of each single-machine main air pipe is connected with the main air pipe, the outlet of the main air pipe is sequentially connected with a primary dust filter, a secondary dust filter, a rear box and a main fan, and the outlet of the main fan is clean air; the lower suction point air pipe of each machine is connected with a lower gap suction valve, and the main air pipe of each single machine is connected with a main suction valve; the operation system further comprises a PLC controller, and the signal input end of each under-machine clearance suction valve and the signal input end of each main suction valve are connected with the PLC controller. The utility model discloses reform transform and inhale for single clearance, system design's main fan installed power greatly reduced. Compared with the power before transformation, the assembly machine has remarkable energy-saving effect.
Description
Technical Field
The utility model relates to a technical field of weaving dust filtration system, concretely relates to clearance, constant voltage, the automatic control operation method of cotton spinning dust filtration system reach high energy-conserving purpose.
Background
The spinning dust filtration system mainly has the functions of collecting and treating dust, short fiber, impurities and noil generated in the production process of each single machine (a single cleaning machine or a single carding machine), discharging the treated clean air outwards or sending the treated clean air into a workshop air conditioning system for treatment and recycling, and according to operation statistics, the proportion of the energy consumption generated by the dust filtration system to the total energy consumption in the spinning production process is about 16%.
1. The prior dust filtration system has the operation defects that:
1) the original air exhaust of the spinning cotton cleaning or carding single machine process is kept in a normally open state, and the upper suction point and the lower suction point of each single machine process air exhaust are connected to a main air pipe through branch air pipes and are sucked to a dust filtering device by a fan of the dust filtering device; the main fans of all the dust filter units keep a constant-speed running state; the high pressure positive blower of second grade dust filtration system keeps normally open operating condition, and the dust filtration system is continuous operation, and whole system energy consumption is higher.
2) The lower suction point of each single machine has a space for storing the noil, but the dust filtration still adopts a continuous noil suction mode, and the process has larger air exhaust amount and higher energy consumption.
3) When a single machine stops, such as flatcar, maintenance, variety changing and the like, the main air pipe for stopping and starting the machine can not be closed, the machine which is not produced still can normally suck air, and the main fan always runs at full speed no matter how many or few machines are started.
4) The secondary dust filtration system is in continuous operation, and the installed power is 4.37 KW.
5) The total system operation energy consumption keeps unchanged for years, the total assembly power = main fan + primary filter + secondary filter =45+4.25+4.37=53.62 KW, the actual power consumption is total: 42.56 KW.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects of the prior art and providing an energy-saving cotton spinning high-energy-saving dust filtering clearance, constant pressure and automatic control operation system.
The purpose of the utility model is realized like this: a cotton spinning high energy-saving dust filtration gap, constant pressure and automatic control operation system comprises a plurality of single machines, each single machine is provided with a lower suction point air pipe and an upper suction point air pipe, and the lower suction point air pipe and the upper suction point air pipe are connected in parallel and then connected with a single machine main air pipe; the operation system also comprises a main air pipe erected in the air, the outlet of each single-machine main air pipe is connected with the main air pipe, the outlet of the main air pipe is sequentially connected with a primary dust filter, a secondary dust filter, a rear box and a main fan, and the outlet of the main fan is clean air; the lower suction point air pipe of each machine is connected with a lower gap suction valve, and the main air pipe of each single machine is connected with a main suction valve; the operation system further comprises a PLC controller, and the signal input end of each under-machine clearance suction valve and the signal input end of each total suction valve are connected with the PLC controller.
The utility model discloses a pressure sensor is connected to the one-level dust catcher, and pressure sensor's signal output part is connected with the PLC controller, and the PLC controller is connected with the drive module of main fan.
The utility model discloses a pressure sensor is connected to the second grade dust catcher, and pressure sensor's signal output part is connected with the PLC controller.
The utility model has the advantages that:
1. the machine-down absorption noil of all single machines of the original system is normally open continuous absorption, the existing system is transformed into single-machine gap absorption, and the installed power of the main fan designed by the system is greatly reduced.
2. When a single machine stops, the main fan automatically operates at a reduced speed, and energy consumption waste caused by stopping and starting the machine is avoided.
3. After the secondary dust filtration equipment is additionally provided with the differential pressure sensor, the operation rate of the operation equipment only accounts for about 20 percent of the original operation proportion.
4. The total assembly power = main fan + primary dust filter + secondary dust filter =22+4.25+4.37=30.62 KW, and the total actual power consumption is 20.91 KW, and compared with the total actual power consumption of 42.56 KW before modification, the power saving rate reaches 50.8%, and the energy saving effect is remarkable.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic diagram of a stand-alone machine.
Fig. 3 is a schematic view of the primary dust filter, the secondary dust filter, the rear box, and the main fan in fig. 1.
Fig. 4 is a control schematic block diagram of the present invention.
Detailed Description
As shown in fig. 1, fig. 2 and fig. 3, the gap, constant pressure and automatic control operation system for high energy-saving dust filtration of cotton spinning comprises sixteen single machines 3, each single machine 3 is a single cotton cleaning machine or a single cotton carding machine, each single machine 3 is provided with a lower suction point air pipe 9 and an upper suction point air pipe 10, each lower suction point air pipe 9 is connected with a lower gap suction valve 1, an air outlet of the lower suction point air pipe 9 is connected with an air outlet of the upper suction point air pipe 10 in parallel and then connected with a single machine main air pipe 11, and each single machine main air pipe 11 is connected with a total suction valve 2.
The operation system further comprises a main air pipe 4 erected in the air, the air outlet of each single main air pipe 11 is connected with the main air pipe 4, dust-containing air is arranged in the main air pipe 4, the outlet of the main air pipe 4 is sequentially connected with a primary dust filter 6, a secondary dust filter 7, a rear box 8 and a main fan 5, the outlet of the main fan 5 is clean air, and the main fan 5 adopts an SFF232-11NO.10E-22KW fan. The primary dust filter 6 is connected with a pressure sensor 13, and the secondary dust filter 7 is connected with a differential pressure sensor 12.
As shown in fig. 4, the operation system further includes a PLC controller 14, and a signal input terminal of each under-machine gap suction valve 1 and a signal input terminal of each main suction valve 2 are connected to the PLC controller 14. The signal output end of the pressure sensor 13 is connected with a PLC (programmable logic controller) 14, and the PLC 14 is connected with a driving module 15 of the main fan 5. The signal output end of the differential pressure sensor 12 is connected with a PLC (programmable logic controller) 14, and the PLC 14 is connected with the secondary dust filter 7.
The working principle is as follows: the lower part of each single machine is provided with a swinging valve (lower gap suction valve) for gap suction of noil, the suction air and the exhaust air of each suction point on the single machine are gathered to a single machine main air pipe together, a PLC program for gap suction of noil is programmed, the program control only keeps the lower swinging valve of one production machine to be opened, and the rest parts are all closed. The opening duration of the lower swing valve is set according to the noil conditions of different varieties, the lower swing valve is automatically closed at the time, and the lower swing valve of the single machine for the next production is automatically opened two seconds in advance when the upper single machine swing valve is closed, so that the lower swing valve is opened and closed in sequence to form clearance noil suction. The dust filter unit is provided with sixteen single machines, and the lower swing valve of one single machine is only kept to be opened in normal production operation, so that the energy consumption for absorbing noil is reduced by 93.7 percent.
The main air pipe of each single machine is provided with a main suction swing valve (main suction valve), and an electric control element is additionally arranged in a control box of each single machine electric appliance, according to the starting and stopping conditions of the single machine, the swing valve is automatically opened when the single machine is started, and is automatically closed after the single machine is stopped and the time is delayed to a set time, so that the stopped machine does not consume energy.
A pressure sensor is additionally arranged in the primary dust filter, a negative pressure standard value in the primary dust filter is set, a negative pressure signal in the primary dust filter is obtained according to the change condition of starting and stopping a single machine, a frequency converter adjusts the frequency according to the change of the negative pressure, and the running speed of a main fan is automatically adjusted.
A pressure difference sensor is additionally arranged in the secondary dust filter, a starting pressure difference standard value between the secondary dust filter and a rear box is set, a pressure difference signal of the secondary dust filter is obtained, and secondary dust filtering operation equipment can automatically operate when a pressure difference value meeting a set requirement is detected according to the dust amount adsorbed on the surface of secondary dust filtering plush.
Claims (3)
1. A cotton spinning high energy-saving dust filtration gap, constant pressure and automatic control operation system comprises a plurality of single machines, each single machine is provided with a lower suction point air pipe and an upper suction point air pipe, and the lower suction point air pipe and the upper suction point air pipe are connected in parallel and then connected with a single machine main air pipe; the operation system also comprises a main air pipe erected in the air, the outlet of each single-machine main air pipe is connected with the main air pipe, the outlet of the main air pipe is sequentially connected with a primary dust filter, a secondary dust filter, a rear box and a main fan, and the outlet of the main fan is clean air; the method is characterized in that: the lower suction point air pipe of each machine is connected with a lower gap suction valve, and the main air pipe of each single machine is connected with a main suction valve; the operation system further comprises a PLC controller, and the signal input end of each under-machine clearance suction valve and the signal input end of each total suction valve are connected with the PLC controller.
2. The cotton spinning high energy-saving dust filtration gap, constant pressure and automatic control operation system as claimed in claim 1, characterized in that: the primary dust filter is connected with a pressure sensor, the signal output end of the pressure sensor is connected with a PLC (programmable logic controller), and the PLC is connected with a driving module of the main fan.
3. The cotton spinning high energy-saving dust filtration gap, constant pressure and automatic control operation system as claimed in claim 1, characterized in that: the secondary dust filter is connected with a differential pressure sensor, and the signal output end of the differential pressure sensor is connected with the PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121584276.0U CN214809247U (en) | 2021-07-13 | 2021-07-13 | Gap, constant pressure and automatic control operation system for high-energy-saving dust filtration of cotton spinning |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121584276.0U CN214809247U (en) | 2021-07-13 | 2021-07-13 | Gap, constant pressure and automatic control operation system for high-energy-saving dust filtration of cotton spinning |
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| CN214809247U true CN214809247U (en) | 2021-11-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115228225A (en) * | 2022-05-23 | 2022-10-25 | 江苏精亚环境科技有限公司 | Centralized collecting and processing system for textile dust |
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2021
- 2021-07-13 CN CN202121584276.0U patent/CN214809247U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115228225A (en) * | 2022-05-23 | 2022-10-25 | 江苏精亚环境科技有限公司 | Centralized collecting and processing system for textile dust |
| CN115228225B (en) * | 2022-05-23 | 2023-12-08 | 江苏精亚环境科技有限公司 | Centralized collection and treatment system for textile dust |
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