CN217901692U - Flue gas emission continuous monitoring system capable of effectively removing dust - Google Patents
Flue gas emission continuous monitoring system capable of effectively removing dust Download PDFInfo
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- CN217901692U CN217901692U CN202221689300.1U CN202221689300U CN217901692U CN 217901692 U CN217901692 U CN 217901692U CN 202221689300 U CN202221689300 U CN 202221689300U CN 217901692 U CN217901692 U CN 217901692U
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Abstract
The utility model belongs to the technical field of the smoke emission monitoring, especially, be a smoke emission continuous monitoring system that can effectively remove dust, including industrial boiler, flue gas purification case, flue gas monitoring case, flue gas discharge port and air pump, flue gas monitoring case one side is provided with the dust removal case, and the smoke inlet has been seted up to dust removal case one side, and the dust removal incasement portion is provided with the filter core, and the filter core lateral wall is provided with double-deck filter screen, and double-deck filter screen is inside to be provided with the intermediate layer, is provided with the tee bend pipe fitting between dust removal case and the flue gas monitoring case, and flue gas monitoring incasement portion is provided with gaseous detecting element, and the aspiration pump is connected with tee bend pipe fitting one end to flue gas monitoring case. The utility model can achieve the purposes of smoke detection, dust removal and dehumidification pretreatment by arranging the dust removal box, and increase the smoke detection precision; through setting up exhaust port, backward flow mouth, first valve, second valve and warning light, can reach and realize unqualified flue gas backward flow, and can not influence qualified fume emission for fume emission efficiency.
Description
Technical Field
The utility model relates to a fume emission monitoring technology field specifically is a fume emission continuous monitoring system that can effectively remove dust.
Background
The industrial boiler can emit a large amount of flue gas in the combustion process, wherein the flue gas comprises harmful gases and solid particles, and the flue gas components emitted by the flue gas after desulfurization and denitrification are mainly O 2 、NO、NO 2 With SO 2 The main gas causing environmental pollution is the main reason for polluting the atmosphere in residential areas, and in order to control the emission amount of the flue gas, the emission of the flue gas must be treated by a purification device, and the flue gas can be emitted into the atmosphere after being purified to be qualified; in the process of discharging flue gas, in order to avoid insufficient direct discharge of flue gas purification, a flue gas discharge monitoring system is usually arranged to monitor the flue gas discharge in real time.
The prior art has the following problems:
1. in the traditional flue gas emission, purified flue gas is directly sampled for gas detection, and the flue gas contains dust and moisture after flowing through a pipeline, so that error influence is caused on the gas detection, and the detection precision is not high;
2. and the traditional flue gas emission needs to stop the emission operation after the detection of unqualified flue gas, so that the interruption of the flue gas emission influences the emission efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a continuous monitoring system of fume emission that can effectively remove dust has solved the flue gas that exists now and inside dust, moisture containing behind the pipeline circulation, causes the error influence to gaseous detection, detects the precision not high, and detects the unqualified back of flue gas, need stop to discharge the operation, leads to the flue gas to discharge and interrupts the problem that influences emission efficiency.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a flue gas emission continuous monitoring system that can effectively remove dust, includes industrial boiler, flue gas purification case, flue gas monitoring case, flue gas discharge port and air pump, flue gas monitoring case one side is provided with the dust removal case, dust removal case one side has been seted up into the mouth, the dust removal incasement portion is provided with the filter core, the filter core lateral wall is provided with double-deck filter screen, the inside intermediate layer that is provided with of double-deck filter screen, be provided with tee bend pipe fitting between dust removal case and the flue gas monitoring case, flue gas monitoring incasement portion is provided with gaseous detecting element, the aspiration pump is connected with tee bend pipe fitting one end to flue gas monitoring case, flue gas monitoring case keeps away from one side of dust removal case and has seted up the exhaust port, the backward flow mouth has been seted up to exhaust port below, flue gas monitoring incasement portion is provided with the controller, flue gas monitoring roof portion is provided with the warning light.
As an optimal technical scheme of the utility model, double-deck filter screen is inside hollow cylindric, double-deck filter screen comprises coarse strainer and thin filter screen, the coarse strainer is in thin filter screen inboard, there is the space between coarse strainer and the thin filter screen.
As an optimal technical scheme of the utility model, the intermediate layer material is the sponge that absorbs water, the intermediate layer is inside hollow cylindric, the intermediate layer is fixed in inside the double-deck filter screen.
As the utility model discloses a preferred technical scheme, tee bend pipe fitting one end communicates with each other with dust removal incasement chamber, the tee bend pipe fitting other end communicates with each other with flue gas monitoring incasement chamber, the aspiration pump is connected through the pipeline to the third end of tee bend pipe fitting.
As an optimized technical scheme of the utility model, gaseous detecting element includes SO2 sensor, NO sensor and NO2 sensor, gaseous detecting element's sense terminal is through the pipe connection aspiration pump, SO2 sensor, NO sensor and NO2 sensor are all through circuit and controller input electric connection.
As the utility model discloses an optimized technical scheme, be provided with first valve and second valve on exhaust port and the backward flow mouth respectively, the exhaust port is through the pipe connection fume emission mouth, the backward flow mouth is through the pipe connection industrial boiler, first valve all passes through circuit and controller output electric connection with the second valve.
As a preferred technical scheme of the utility model, the warning light is fixed in flue gas monitoring roof portion, circuit and controller output electric connection that the warning light passes through.
Compared with the prior art, the utility model provides a flue gas emission continuous monitoring system that can effectively remove dust possesses following beneficial effect:
1. this continuous monitoring system of fume emission that can effectively remove dust, through setting up the dust removal case, fume emission is earlier through the dust removal case reentrant flue gas monitoring incasement and is detected, along with air pump drive flue gas circulation, the flue gas is filtered out from the double-deck filter screen on the filter core by the atmospheric pressure promotion, filter the dust in the flue gas, through the intermediate layer of addding the sponge material that absorbs water in double-deck filter screen inboard, carry out the dehumidification to the flue gas that passes through, reach the purpose of flue gas detection preliminary treatment, increase the precision that the flue gas detected.
2. This continuous monitoring system of fume emission that can effectively remove dust, through setting up the exhaust port, the backward flow mouth, first valve, second valve and warning light, gaseous detecting element is at the in-process that detects harmful gas in the flue gas, when harmful gas content is too high, gaseous detecting element transmission signal to controller, the controller control warning light is opened, remind the staff that the flue gas detects nonconformity, the controller controls the second valve to open simultaneously, make flue gas monitoring box communicate with each other through the flue gas in backward flow mouth and the industrial boiler, make unqualified flue gas get into secondary purification, until gaseous detecting element detects the flue gas after qualified, first valve is opened again and is discharged, realize unqualified flue gas backward flow, and can not influence qualified flue gas emission, accelerate flue gas emission efficiency.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the flue gas monitoring box of the present invention;
FIG. 3 is a schematic view of the whole structure of the flue gas monitoring box of the present invention;
FIG. 4 is a schematic diagram of a connection structure of a controller module according to the present invention;
fig. 5 is a schematic structural view of the gas detection unit of the present invention.
In the figure: 1. an industrial boiler; 2. a flue gas purification box; 3. a flue gas monitoring box; 4. a flue gas discharge port; 5. An air pump; 6. a dust removal box; 7. a smoke inlet; 8. a filter element; 9. double-layer filter screens; 10. an interlayer; 11. a tee pipe fitting; 12. a gas detection unit; 13. an air pump; 14. a smoke outlet; 15. a return port; 16. a controller; 17. a warning light; 18. a first valve; 19. a second valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-5, in this embodiment: the utility model provides a flue gas emission continuous monitoring system that can effectively remove dust, including industrial boiler 1, flue gas purification case 2, flue gas monitoring case 3, exhanst gas port 4 and air pump 5, flue gas monitoring case 3 one side is provided with dust removal case 6, be used for the preliminary treatment between the flue gas detection, dust removal case 6 one side has been seted up into mouth 7, dust removal case 6 is inside to be provided with filter core 8, the filter core 8 lateral wall is provided with double-deck filter screen 9, be arranged in filtering the dust in the flue gas, double-deck filter screen 9 is inside to be provided with intermediate layer 10, be arranged in filtering the moisture in the flue gas, be provided with tee bend pipe fitting 11 between dust removal case 6 and the flue gas monitoring case 3, be used for communicateing flue gas monitoring case 3 and dust removal case 6, flue gas monitoring case 3 is inside to be provided with gaseous detecting element 12, be arranged in detecting the harmful gas of waiting to discharge flue gas, flue gas monitoring case 3 is connected aspiration pump 13 with tee bend pipe fitting 11 one end, be used for gathering the flue gas, flue gas is kept away from one side of flue gas monitoring case 3 and has been seted up mouth 14, return flow 15 has been seted up to the mouth 14 below to flue gas monitoring case 3, be used for unqualified flue gas backflow, be provided with warning light 17.
In this embodiment, the double-layer filter screen 9 is a cylinder with a hollow interior, the double-layer filter screen 9 is composed of a coarse filter screen and a fine filter screen, the coarse filter screen is located inside the fine filter screen, and a gap is formed between the coarse filter screen and the fine filter screen, so as to filter dust in the flue gas and achieve the purpose of flue gas detection pretreatment; the interlayer 10 is made of water-absorbing sponge, the interlayer 10 is hollow and cylindrical, and the interlayer 10 is fixed inside the double-layer filter screen 9 and used for dehumidifying passing smoke; one end of the three-way pipe 11 is communicated with the inner cavity of the dust removal box 6, the other end of the three-way pipe 11 is communicated with the inner cavity of the flue gas monitoring box 3, and the third end of the three-way pipe 11 is connected with an air suction pump 13 through a pipeline, so that the flue gas in the dust removal box 6 can conveniently enter the flue gas monitoring box 3 through the three-way pipe 11; the gas detection unit 12 comprises an SO2 sensor, an NO sensor and an NO2 sensor, the detection end of the gas detection unit 12 is connected with the air pump 13 through a pipeline, the SO2 sensor, the NO sensor and the NO2 sensor are electrically connected with the input end of the controller 16 through a circuit, the SO2 sensor, the NO sensor and the NO2 sensor are used for respectively detecting the contents of SO2, NO and NO2 in the flue gas, and the detection result is transmitted to the controller 16; the smoke outlet 14 and the return port 15 are respectively provided with a first valve 18 and a second valve 19, the smoke outlet 14 is connected with the smoke discharge port 4 through a pipeline, the return port 15 is connected with the industrial boiler 1 through a pipeline, the first valve 18 and the second valve 19 are electrically connected with the output end of the controller 16 through a circuit, and unqualified smoke is returned through the return port 15 for secondary purification, so that the smoke discharge efficiency is improved; warning light 17 is fixed in the top of flue gas monitoring box 3, and the circuit that warning light 17 passes through and 16 output electric connection of controller for open when harmful gas content is too high in the flue gas, remind the staff flue gas to detect nonconforming.
The utility model discloses a theory of operation and use flow: the user firstly opens the air pump 5, the air pump 5 drives the flue gas in the industrial boiler 1 to enter the flue gas purification box 2 for purification, the purified flue gas firstly enters the dust removal box 6, the flue gas is directly introduced into the filter element 8 through the flue gas inlet 7, along with the circulation of the flue gas driven by the air pump 5, the flue gas is pushed by air pressure to be filtered out from the double-layer filter screen 9 on the filter element 8, the dust in the flue gas is filtered, the passing flue gas is dehumidified by additionally arranging the interlayer 10 made of the absorbent sponge material on the inner side of the double-layer filter screen 9, then the flue gas enters the flue gas monitoring box 3 through the tee pipe fitting 11, the controller 16 controls the air suction pump 13 to be started, the air suction pump 13 sucks the flue gas in the tee pipe fitting 11 into the gas detection unit 12 through the pipeline, the SO2 sensor, the NO sensor and the NO2 sensor are used for respectively detecting the contents of SO2, NO and NO2 in the flue gas, the controller 16 controls the first valve 18 to be opened under the qualified state of the flue gas, the flue gas in the flue gas monitoring box 3 is discharged from the flue gas discharge port 4 through the exhaust port 14, when the content of harmful gas is too high, the gas detection unit 12 transmits a signal to the controller 16, the controller 16 controls the warning lamp 17 to be opened to remind workers that the flue gas is unqualified in detection, meanwhile, the controller 16 controls the second valve 19 to be opened and the first valve 18 to be closed, SO that the flue gas monitoring box 3 is communicated with the flue gas in the industrial boiler 1 through the return port 15, unqualified flue gas flows back to enter secondary purification, and the first valve 18 is opened again to be discharged after the flue gas detection unit 12 detects that the flue gas is qualified.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a fume emission continuous monitoring system that can effectively remove dust, includes industrial boiler (1), gas cleaning case (2), flue gas monitoring case (3), exhanst gas port (4) and air pump (5), its characterized in that: flue gas monitoring case (3) one side is provided with dust removal case (6), dust removal case (6) one side has been seted up into mouth (7), the inside filter core (8) that is provided with of dust removal case (6), filter core (8) lateral wall is provided with double-deck filter screen (9), double-deck filter screen (9) inside is provided with intermediate layer (10), be provided with tee bend pipe fitting (11) between dust removal case (6) and flue gas monitoring case (3), inside gaseous detecting element (12) that is provided with of flue gas monitoring case (3), aspiration pump (13) are connected with tee bend pipe fitting (11) one end to flue gas monitoring case (3), smoke vent (14) have been seted up to one side that dust removal case (6) were kept away from in flue gas monitoring case (3), backward flow mouth (15) have been seted up to smoke vent (14) below, inside controller (16) that is provided with of flue gas monitoring case (3), flue gas monitoring case (3) top is provided with warning light (17).
2. The continuous monitoring system for flue gas emission capable of effectively removing dust of claim 1, wherein: double-deck filter screen (9) are inside hollow cylindric, double-deck filter screen (9) comprise coarse strainer and thin filter screen, the coarse strainer is in thin filter screen inboard, there is the space between coarse strainer and the thin filter screen.
3. The continuous monitoring system for flue gas emission capable of effectively removing dust of claim 1, wherein: the interlayer (10) is made of water-absorbing sponge, the interlayer (10) is hollow and cylindrical, and the interlayer (10) is fixed inside the double-layer filter screen (9).
4. The continuous monitoring system for flue gas emission capable of effectively removing dust of claim 1, wherein: one end of the three-way pipe (11) is communicated with the inner cavity of the dust removal box (6), the other end of the three-way pipe (11) is communicated with the inner cavity of the smoke monitoring box (3), and the third end of the three-way pipe (11) is connected with the air suction pump (13) through a pipeline.
5. The continuous monitoring system for flue gas emission capable of effectively removing dust of claim 1, wherein: the gas detection unit (12) comprises an SO2 sensor, an NO sensor and an NO2 sensor, the detection end of the gas detection unit (12) is connected with the air pump (13) through a pipeline, and the SO2 sensor, the NO sensor and the NO2 sensor are electrically connected with the input end of the controller (16) through circuits.
6. The continuous monitoring system for flue gas emission capable of effectively removing dust of claim 1, wherein: the flue gas treatment device is characterized in that a first valve (18) and a second valve (19) are respectively arranged on the flue gas outlet (14) and the return port (15), the flue gas outlet (14) is connected with a flue gas discharge port (4) through a pipeline, the return port (15) is connected with the industrial boiler (1) through a pipeline, and the first valve (18) and the second valve (19) are electrically connected with the output end of the controller (16) through circuits.
7. The continuous monitoring system for flue gas emission capable of effectively removing dust of claim 1, wherein: the warning light (17) is fixed at the top of the smoke monitoring box (3), and a circuit through which the warning light (17) passes is electrically connected with the output end of the controller (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221689300.1U CN217901692U (en) | 2022-07-02 | 2022-07-02 | Flue gas emission continuous monitoring system capable of effectively removing dust |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221689300.1U CN217901692U (en) | 2022-07-02 | 2022-07-02 | Flue gas emission continuous monitoring system capable of effectively removing dust |
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| CN217901692U true CN217901692U (en) | 2022-11-25 |
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| CN202221689300.1U Active CN217901692U (en) | 2022-07-02 | 2022-07-02 | Flue gas emission continuous monitoring system capable of effectively removing dust |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117030952A (en) * | 2023-10-10 | 2023-11-10 | 国能龙源环保有限公司 | Flue gas monitoring device |
| CN117969755A (en) * | 2023-12-29 | 2024-05-03 | 江苏裕荣光电科技有限公司 | Continuous monitoring device for waste incineration flue gas |
-
2022
- 2022-07-02 CN CN202221689300.1U patent/CN217901692U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117030952A (en) * | 2023-10-10 | 2023-11-10 | 国能龙源环保有限公司 | Flue gas monitoring device |
| CN117030952B (en) * | 2023-10-10 | 2023-12-26 | 国能龙源环保有限公司 | Flue gas monitoring device |
| CN117969755A (en) * | 2023-12-29 | 2024-05-03 | 江苏裕荣光电科技有限公司 | Continuous monitoring device for waste incineration flue gas |
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Denomination of utility model: A continuous monitoring system for flue gas emissions that can effectively remove dust Effective date of registration: 20230330 Granted publication date: 20221125 Pledgee: Postal Savings Bank of China Limited by Share Ltd. Weifang branch Pledgor: Jiachuang Environmental Protection Technology Co.,Ltd. Registration number: Y2023980036466 |