CN208786008U - A kind of PLC control system for bag-type dust - Google Patents
A kind of PLC control system for bag-type dust Download PDFInfo
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- CN208786008U CN208786008U CN201821418400.4U CN201821418400U CN208786008U CN 208786008 U CN208786008 U CN 208786008U CN 201821418400 U CN201821418400 U CN 201821418400U CN 208786008 U CN208786008 U CN 208786008U
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Abstract
The utility model discloses a kind of PLC control systems for bag-type dust, including bag filter, bag filter is equipped with main intake stack, main intake stack passes through distribution duct respectively and is connected with several ash buckets, distribution duct is equipped with motor-driven valve and air flow sensor for controlling air mass flow, the output end of air flow sensor is connected with the input terminal of PLC controller, and the output end of PLC controller is connected with motor-driven valve control；Main intake stack is equipped with temperature sensor, the output end of temperature sensor is connected with the input terminal of PLC controller, and main intake stack is also connected with air intake pipe, and air intake pipe is connected with atmosphere, and it is equipped with electric control valve, the output end of PLC controller is connected with electric control valve control；Utility model has the advantages that not only can control the dust laden air amount into cloth bag, so that bag-type dust reaches optimal effect, and flue-gas temperature can reduce, control effect is good.
Description
Technical field
The utility model relates to a kind of PLC control system, specifically a kind of PLC for bag-type dust controls system
System, belongs to PLC control system field.
Background technique
Bag-type dust is that several arrangement bags are installed in bag-type dust case, and a pulse valve controls a row or several rows cloth bag
Blowing.Dusty gas is introduced into bag filter cabinet by air inlet, dusty gas is under the graviational interaction of air-introduced machine
It is moved to filter bag, dusty gas is attracted on filter bag, and purified rear gas is discharged from air outlet, to reach tail gas clean-up effect
Fruit.Currently, its control effect of traditional bag-type dust collector is undesirable, dust removing effects are reduced.It is entitled " bag filter into
Application No. is the Chinese utility model patents of " 201210070808.8 " to disclose a kind of bag filter air inlet for wind distributor "
Distributor, including distribution pipe, distribution pipe are equipped with the wind inlet section for connecting with main blast pipe and distribute to dust laden air
Two wind outlet sections of two ash buckets are mounted on the motor-driven valve for controlling air mass flow, the air inlet of two ash buckets on two wind outlet sections
Be mounted on the air flow sensor of measurement dust laden air flow at mouthful, air flow sensor and intelligent controlling device it is defeated
Enter end electrical connection, the output end of intelligent controlling device is electrically connected with motor-driven valve.However, the device only can according to air mass flow come
Motor-driven valve is controlled, control effect is poor.
Utility model content
To solve the above-mentioned problems, the utility model devises a kind of PLC control system for bag-type dust, not only controls
System enters the dust laden air amount of cloth bag, so that bag-type dust reaches optimal effect, and can reduce flue-gas temperature, control effect
Fruit is good.
The technical solution of the utility model are as follows:
A kind of PLC control system for bag-type dust, including bag filter, the bag filter are equipped with main air inlet
Pipeline, the main intake stack pass through distribution duct respectively and are connected with several ash buckets, and the distribution duct, which is equipped with, to be used for
Control the motor-driven valve and air flow sensor of air mass flow, the output end and PLC controller of the air flow sensor
Input terminal be connected, the output end of the PLC controller and the motor-driven valve, which control, to be connected, according to the inspection of air flow sensor
Numerical value is surveyed, the size of motor-driven valve is controlled by PLC controller, so that the dust laden air amount into cloth bag is controlled, so that cloth bag
Dedusting reaches optimal effect；The main intake stack be equipped with temperature sensor, the output end of the temperature sensor with it is described
The input terminal of PLC controller is connected, and the main intake stack is also connected with air intake pipe, the air intake pipe with
Atmosphere is connected, and is equipped with electric control valve, and the output end of the PLC controller is connected with electric control valve control；PLC
Program controller controls the aperture of electric control valve according to temperature value, bypasses air through air intake duct and enters main intake stack, makes it
It is mixed with high-temperature flue gas, and reduces flue-gas temperature.
Wherein, the end i.e. outlet end of the main intake stack is arranged in the temperature sensor.
In addition, the inside of the main intake stack is equipped with glass layer, fire-proof and thermal-insulation effect is good.
Utility model has the advantages that not only can control the dust laden air amount into cloth bag, so that bag-type dust reaches
Optimal effect, and can reduce flue-gas temperature, control effect is good.
The utility model is described in further detail with reference to the accompanying drawings and examples.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment.
Specific embodiment
The preferred embodiment of the utility model is illustrated below, it should be understood that preferred embodiment described herein
It is only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment 1
As shown in Figure 1, a kind of PLC control system for bag-type dust, including bag filter, the bag filter
Equipped with main intake stack 1, the main intake stack 1 is connected by distribution duct 2 with several ash buckets respectively, the distribution pipe
Road 2 is equipped with motor-driven valve 3 and air flow sensor for controlling air mass flow, the output of the air flow sensor
End is connected with the input terminal of PLC controller, and the output end of the PLC controller is connected with motor-driven valve control, according to air
The detection numerical value of flow sensor, the size of motor-driven valve is controlled by PLC controller, to control the dust-laden sky into cloth bag
Tolerance, so that bag-type dust reaches optimal effect；The main intake stack is equipped with temperature sensor, the temperature sensor
Output end is connected with the input terminal of the PLC controller, and the main intake stack is also connected with air intake pipe 4, described
Air intake pipe 4 is connected with atmosphere, and is equipped with electric control valve 5, the output end of the PLC controller and the electric adjustable
The control of valve 5 is saved to be connected；PLC program controller according to temperature value control electric control valve aperture, bypass air through air intake duct into
Intake stack is become owner of, mixes it with high-temperature flue gas, and reduces flue gas temperature.
Wherein, the end i.e. outlet end of the main intake stack is arranged in the temperature sensor.
In addition, the inside of the main intake stack is equipped with glass layer, fire-proof and thermal-insulation effect is good.
Claims (3)
1. a kind of PLC control system for bag-type dust, it is characterised in that: including bag filter, the bag filter
Equipped with main intake stack, the main intake stack passes through distribution duct respectively and is connected with several ash buckets, the distribution duct
Be equipped with the motor-driven valve and air flow sensor for controlling air mass flow, the output end of the air flow sensor with
The input terminal of PLC controller is connected, and the output end of the PLC controller is connected with motor-driven valve control, according to air mass flow
The detection numerical value of sensor, the size of motor-driven valve is controlled by PLC controller, and control enters the dust laden air amount of cloth bag；Institute
Main intake stack is stated equipped with temperature sensor, the output end of the temperature sensor is connected with the input terminal of the PLC controller,
The main intake stack is also connected with air intake pipe, and the air intake pipe is connected with atmosphere, and is equipped with electronic
Regulating valve, the output end of the PLC controller are connected with electric control valve control；PLC program controller is controlled according to temperature value
The aperture of electric control valve, bypasses air through air intake duct and enters main intake stack and mix with high-temperature flue gas, reduces flue gas temperature
Degree.
2. a kind of PLC control system for bag-type dust according to claim 1, it is characterised in that: the temperature passes
The end of the main intake stack is arranged in sensor.
3. a kind of PLC control system for bag-type dust according to claim 1 or 2, it is characterised in that: the master into
The inside of air piping is equipped with glass layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821418400.4U CN208786008U (en) | 2018-08-31 | 2018-08-31 | A kind of PLC control system for bag-type dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821418400.4U CN208786008U (en) | 2018-08-31 | 2018-08-31 | A kind of PLC control system for bag-type dust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208786008U true CN208786008U (en) | 2019-04-26 |
Family
ID=66207777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821418400.4U Active CN208786008U (en) | 2018-08-31 | 2018-08-31 | A kind of PLC control system for bag-type dust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208786008U (en) |
-
2018
- 2018-08-31 CN CN201821418400.4U patent/CN208786008U/en active Active
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