CN211585761U - Smoke concentration detection system - Google Patents
Smoke concentration detection system Download PDFInfo
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- CN211585761U CN211585761U CN201921995662.1U CN201921995662U CN211585761U CN 211585761 U CN211585761 U CN 211585761U CN 201921995662 U CN201921995662 U CN 201921995662U CN 211585761 U CN211585761 U CN 211585761U
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Abstract
The utility model belongs to the technical field of check out test set, in particular to smoke and dust concentration detection system, including dust remover, admission line, exhaust duct, admission line and exhaust duct fixed the setting on the dust remover, a serial communication port, admission line and exhaust duct on all be equipped with dust concentration detection mechanism, dust concentration detection mechanism include pressure measurement changer, temperature measurement changer, concentration detection changer, the fixed setting in proper order, the dust remover constitute by a plurality of dust removal unit, connect through the connecting tube between, the connecting tube passes through air pipe connection, air pipe end with detect gaseous expansion container and be connected. The utility model discloses can in time discover damaged straining a section of thick bamboo, the change of being convenient for in time overhaul.
Description
Technical Field
The utility model belongs to the technical field of check out test set, in particular to smoke and dust concentration detecting system.
Background
The filter cartridge dust remover consists of a filter cartridge as a filter element or adopts a pulse blowing dust remover. The existing large-scale filter drum dust remover consists of a plurality of filter drums, is complicated in the repair and inspection process, and needs to stop the whole device and then inspect and repair the device. This is not only slow, but also affects the work process.
SUMMERY OF THE UTILITY MODEL
The not enough to prior art, the utility model discloses a smoke and dust concentration detection system, the effectual above-mentioned problem of having solved.
The technical scheme of the utility model is realized like this: the utility model provides a smoke and dust concentration detection system, includes dust remover, admission line, exhaust duct, admission line and exhaust duct fixed the setting on the dust remover, its characterized in that, admission line and exhaust duct on all be equipped with dust concentration detection mechanism, dust concentration detection mechanism include pressure measurement changer, temperature measurement changer, concentration detection changer, fixed setting in proper order, the dust remover constitute by a plurality of dust removal unit, connect through the connecting tube between, the connecting tube passes through air pipe connection, air pipe terminal with detect gaseous expansion vessel and be connected.
The gas detection device is further provided with a vacuum pump connected onto the gas detection expansion container through a pipeline, a valve is arranged on the pipeline, and a gas discharge pipe is arranged on the vacuum pump.
The gas detection expansion container is further provided with a gas suction pipeline and a gas outlet pipeline, valves are arranged on the gas suction pipeline and the gas outlet pipeline, and an air pump is arranged at the tail end of the gas suction pipeline.
The dust removal unit is a filter cartridge dust removal unit or a filter bag dust removal unit.
Further, a purification chamber is arranged above the interior of the dust removal unit, and an ash collection hopper is arranged below the dust removal unit.
The dust removal device is characterized in that an air suction opening is formed outside the dust removal unit, channels are correspondingly formed in the air suction opening, the number of the channels is five, electromagnetic valves are arranged on the channels, and each channel is connected with eight filter cylinders or filter bags.
Further, the air suction opening is in a horn shape.
Further, a main ash discharge pipeline is connected below the ash collecting hopper.
And the PLC is connected with the touch screen and the dust remover through cables to control the whole equipment to run.
Compared with the prior art, the beneficial effects of the utility model are that: the online itinerant detection is carried out on the air flow of each row of filter cartridge outlets on the dust removal unit, so that damaged filter cartridges can be found in time, the filter cartridges are convenient to overhaul and replace in time, and meanwhile, the online dust concentration monitor is installed on a flue and a discharge air channel of the dust remover for comparison and monitoring.
Drawings
Fig. 1 is a schematic view of the present invention.
Fig. 2 is a schematic view of a dust removal unit.
Fig. 3 is a schematic view of a dust separator.
1. A dust remover; 2. an air intake duct; 3. an exhaust duct; 4. a dust concentration detection mechanism; 5. a pressure measurement transmitter; 6. a temperature measurement transmitter; 7. a concentration detection transmitter; 8. a dust removal unit; 9. detecting the gas expansion vessel; 10. a vacuum pump; 11. a gas discharge pipe; 12 an air intake duct; 13. an air outlet pipe; 14. an air pump; 15. a dust collecting hopper; 16. a main ash discharge pipeline; 17. a PLC controller; 18. a touch screen; 19. an air line; 20. connecting a pipeline; 21. an air suction opening; 22. a first electromagnetic valve; 23. a second electromagnetic valve; 24. a third electromagnetic valve; 25. a fourth electromagnetic valve; 26. and a fifth electromagnetic valve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, 2 and 3, the smoke concentration detection system comprises a dust remover 1, an air inlet pipeline 2 and an exhaust pipeline 3, wherein the air inlet pipeline 2 and the exhaust pipeline are fixedly arranged on the dust remover 1, and the smoke concentration detection system is characterized in that dust concentration detection mechanisms 4 are arranged on the air inlet pipeline 2 and the exhaust pipeline 3, each dust concentration detection mechanism 4 comprises a pressure measurement transmitter 5, a temperature measurement transmitter 6 and a concentration detection transmitter 7, which are fixedly arranged in sequence, the dust remover 1 consists of a plurality of dust removal units 8, the dust removal units are connected through a connecting pipeline 20, the connecting pipeline 20 is connected through an air pipeline 19, and the tail end of the air pipeline 19 is connected with a detection gas expansion container 9.
Further arranged, the detection gas expansion container 9 is connected with a vacuum pump 10 through a pipeline to provide clean air flow, the pipeline is provided with a valve, and the vacuum pump 10 is provided with a gas discharge pipe 11.
Further, the dust removal unit 8 is a filter cartridge dust removal unit or a filter bag dust removal unit.
Further, a purification chamber is arranged above the inside of the dust removal unit 8, and an ash collection hopper 15 is arranged below the dust removal unit 8.
Further, an air suction opening 21 is formed outside the dust removal unit 8, channels are correspondingly formed in the air suction opening 21, the number of the channels is five, electromagnetic valves are arranged on the channels, and each channel is connected with eight filter cylinders or filter bags.
Further, an air suction opening 21 is formed outside the dust removal unit 8, channels are correspondingly formed in the air suction opening 21, the number of the channels is five, electromagnetic valves are arranged on the channels, and each channel is connected with eight filter cylinders or filter bags. Namely, the filter cartridge comprises a total of five solenoid valves (a solenoid valve I22, a solenoid valve II 23, a solenoid valve III 24, a solenoid valve IV 25 and a solenoid valve V26) and forty filter cartridges or filter bags, wherein each solenoid valve controls eight filter cartridges.
Further, the air suction opening 21 is in a horn shape.
Further setting, dust collecting hopper 15 below be connected with total ash discharge pipe 16, when removing dust, the dust passes through dust collecting hopper 15, and the majority falls into total ash discharge pipe 16, carries out manual processing to a certain extent.
Further setting, still be equipped with PLC controller 17 and touch-sensitive screen 18, PLC controller 17 pass through cable junction with touch-sensitive screen 18, dust remover 1, control the operation of whole equipment.
Under the control of the PLC 17, the vacuum air flow generated by the vacuum pump 10 is utilized, the air suction port 21 on the purification chamber pumps the purified air flow to the dust concentration detection mechanism 4, eight filter cartridges are arranged on one channel, each channel continuously pumps the air flow for 5-10 minutes, and when the smoke concentration in the pumped purified air is detected to exceed the set control value, the PLC 17 gives an alarm and displays the position on the touch screen 18. Once the concentration of dust in the flue gas exceeds the set value, the position of the dust removal unit 8 with problems can be quickly found out according to the position signal recorded on the PLC 17, and the maintenance and the replacement are facilitated under the state that the dust remover 1 does not stop working.
The working process is as follows: starting the PLC 17, firstly opening the electromagnetic valve of the first dust removal unit 8 according to a set program, namely opening a channel, then controlling the first electromagnetic valve 22 to be opened, closing the second electromagnetic valve 23, the third electromagnetic valve 24, the fourth electromagnetic valve 25 and the fifth electromagnetic valve 26, thus conveying a detection air channel from the channel position of the first electromagnetic valve 22 to the inlet and outlet position of the vacuum pump 10, continuously pumping air flow at the channel position of the first electromagnetic valve 22 to the collected detection gas expansion container 9 for detection according to set time, displaying the air flow in the channel position of the first electromagnetic valve 22 in the touch screen 18, sending an alarm signal to warn by the PLC 17 if the dust concentration exceeds the set value, simultaneously displaying the position of the dust removal unit 8, and after the air concentration of the air flow in the channel of the first electromagnetic valve 22 is detected according to the set time, closing the first electromagnetic valve 22 and simultaneously opening the channel.
And introducing the air flow on the channel on the second electromagnetic valve 23 of the first dust removal unit 8 to a dust-containing summary smoke dust detector for detection, closing the second electromagnetic valve 23 after the detection is finished according to the set time, and switching to the channels on the third electromagnetic valve 24, the fourth electromagnetic valve 25 and the fifth electromagnetic valve 26 according to the set program for detection. After the cyclic detection of the first dust removal unit 8 is completed, the branch electromagnetic valves on the inlet and outlet pipes of the forty filter cartridges in the first dust removal unit 8 are closed, the inlet and outlet detection air passage electromagnetic valves of the forty filter cartridge units in the second dust removal unit 8 are opened according to a set program, and the smoke concentration of the air flow in the passages on the first electromagnetic valve 22, the second electromagnetic valve 23, the third electromagnetic valve 24, the fourth electromagnetic valve 25 and the fifth electromagnetic valve 26 on the second dust removal unit 8 is cyclically detected again. The program and the time are set according to the above until the detection of the channel airflow in all the dust removing units 8 is completed as a cycle of the cyclic detection. And then enters a second sensing period. The dust remover 1 normally works according to the set program and time in the working time.
When a broken cartridge is detected in the system, it can be handled in two ways:
firstly, the itinerant detection is suspended, the itinerant detection is switched to manual operation on a PLC control system touch screen 18, branches on related channels and electromagnetic valves on the channels are manually opened, an air pump 14 is started, clean air is led into the interior, the relevant channel detection air path is subjected to back blowing and ash removal, and air flow is blown into a purification cavity of the dust remover 1 until a detection pipeline is clean.
Treatment of type 1: the air inlet valve of the dust-removing chamber of 40 filter cartridge units is closed, the air outlet of the purification chamber is closed, and the access door of the dust-removing chamber of the dust remover 1 is opened according to the positions of the dust-removing filter cartridge unit and the channel prompted by the control system, so that the damaged filter cartridge is checked and replaced, the method can be carried out under the working state of the dust remover 1, the operation of dust collection and removal operation is ensured, and the production is not influenced;
the 2 nd treatment measure: part of the filter cartridge or the filter bag is detected to be broken, but if the outlet dust concentration of the comparative dust collector 1 does not exceed the emission concentration limit value (such as less than or equal to 10mg/m3) regulated by the state, the filter cartridge or the filter bag can be temporarily not treated and is treated in a proper time period.
It is to be understood that the foregoing examples merely represent preferred embodiments of the present invention, and that the description thereof is more specific and detailed, but not intended to limit the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (9)
1. The utility model provides a smoke and dust concentration detection system, includes dust remover, admission line, exhaust duct, admission line and exhaust duct fixed the setting on the dust remover, its characterized in that, admission line and exhaust duct on all be equipped with dust concentration detection mechanism, dust concentration detection mechanism include pressure measurement changer, temperature measurement changer, concentration detection changer, fixed setting in proper order, the dust remover constitute by a plurality of dust removal unit, connect through the connecting tube between, the connecting tube passes through air pipe connection, air pipe terminal with detect gaseous expansion vessel and be connected.
2. The smoke concentration detection system according to claim 1, wherein said detection gas expansion container is connected to a vacuum pump through a pipe, said pipe is provided with a valve, and said vacuum pump is provided with a gas discharge pipe.
3. The smoke concentration detection system according to claim 2, wherein said detection gas expansion container further comprises an air intake pipe and an air outlet pipe, said air intake pipe and said air outlet pipe are provided with valves, and an air pump is provided at the end of said air intake pipe.
4. The soot concentration detection system according to claim 1, wherein said dust removal unit is a filter cartridge dust removal unit or a filter bag dust removal unit.
5. The smoke concentration detection system according to claim 1, wherein a purification chamber is arranged above the interior of the dust removal unit, and an ash collection hopper is arranged below the dust removal unit.
6. The smoke concentration detection system according to claim 4, wherein an air suction opening is arranged outside the dust removal unit, channels are correspondingly arranged on the air suction opening, the number of the channels is five, electromagnetic valves are arranged on the channels, and each channel is connected with eight filter cartridges or filter bags.
7. The soot concentration detection system according to claim 6, wherein said air suction opening is flared.
8. The smoke concentration detection system according to claim 5, wherein a main ash discharge pipeline is connected below the ash collection hopper.
9. The smoke concentration detection system according to claim 1, further comprising a PLC controller and a touch screen, wherein the PLC controller is connected with the touch screen and the dust remover through cables to control the operation of the whole device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921995662.1U CN211585761U (en) | 2019-11-19 | 2019-11-19 | Smoke concentration detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921995662.1U CN211585761U (en) | 2019-11-19 | 2019-11-19 | Smoke concentration detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211585761U true CN211585761U (en) | 2020-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921995662.1U Active CN211585761U (en) | 2019-11-19 | 2019-11-19 | Smoke concentration detection system |
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| CN (1) | CN211585761U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116538305A (en) * | 2023-05-20 | 2023-08-04 | 德州隆达空调设备集团有限公司 | Air valve structure and system with air smoke content early warning |
-
2019
- 2019-11-19 CN CN201921995662.1U patent/CN211585761U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116538305A (en) * | 2023-05-20 | 2023-08-04 | 德州隆达空调设备集团有限公司 | Air valve structure and system with air smoke content early warning |
| CN116538305B (en) * | 2023-05-20 | 2023-10-10 | 德州隆达空调设备集团有限公司 | Air valve structure and system with air smoke content early warning |
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