CN216878554U - Flue gas ultra-clean treatment system - Google Patents
Flue gas ultra-clean treatment system Download PDFInfo
- Publication number
- CN216878554U CN216878554U CN202220332132.4U CN202220332132U CN216878554U CN 216878554 U CN216878554 U CN 216878554U CN 202220332132 U CN202220332132 U CN 202220332132U CN 216878554 U CN216878554 U CN 216878554U
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- CN
- China
- Prior art keywords
- casing
- flue
- flue gas
- filter bag
- atomizing spray
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 239000003546 flue gas Substances 0.000 title claims abstract description 24
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 18
- 239000007921 spray Substances 0.000 claims abstract description 16
- 230000008676 import Effects 0.000 claims abstract description 12
- 239000004071 soot Substances 0.000 claims abstract description 12
- 238000005303 weighing Methods 0.000 claims abstract description 8
- 238000005054 agglomeration Methods 0.000 claims abstract description 7
- 230000002776 aggregation Effects 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 53
- 239000000779 smoke Substances 0.000 abstract description 34
- 230000000694 effects Effects 0.000 abstract description 12
- 239000010419 fine particle Substances 0.000 abstract description 3
- 239000002245 particle Substances 0.000 description 14
- 238000005507 spraying Methods 0.000 description 14
- 230000004931 aggregating effect Effects 0.000 description 9
- 238000000889 atomisation Methods 0.000 description 9
- 238000001914 filtration Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 7
- 230000008901 benefit Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000012717 electrostatic precipitator Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
- Treating Waste Gases (AREA)
Abstract
Flue gas ultra-clean processing system. In the prior art, the smoke passes through the filter bag and simultaneously blocks dust in the smoke on the surface of the filter bag, so that fine particles cannot escape through the filter bag, and the effect on ultrafine dust of PM2.5 or below is limited. The utility model comprises the following components: casing (6), casing internally mounted have sack cleaner (1), sack cleaner inside filter bag (7) have, the casing side be connected with import flue (5), import flue internally mounted have atomizing spray set (3), atomizing spray set loop through 2 electromagnetic flow valve (8) and be connected with conveyor (4) respectively, conveyor pass through the pipeline and be connected with agglomeration agent solution tank (2), casing top be air-purifying chamber (9), casing bottom be connected with ash falling chamber (10), import flue bottom install air soot blower (11), weighing sensor (12) respectively. The utility model is used for the flue gas ultra-clean treatment system.
Description
Technical Field
The utility model relates to the technical field of flue gas dust removal, in particular to a flue gas ultra-clean treatment system.
Background
The dust remover of prior art at present is mainly electrostatic precipitator and sack cleaner, though the sack cleaner of general opinion is applicable to the entrapment and is tiny, dry, non-fibrous dust, has specific advantage than electrostatic precipitator, but the ultralow emission requirement is hardly satisfied to the sack cleaner of exclusive use, and the reason for not reaching standard is because:
(1) the working characteristics of the bag-type dust collector are that the smoke passes through the filter bag and simultaneously the dust in the smoke is blocked on the surface of the filter bag, so that fine particles cannot escape through the filter bag;
(2) although the filter bag technology is also continuously improving the filtration efficiency, such as adopting a membrane filter material or superfine fiber and the like, the effect on the superfine dust of PM2.5 and below is limited;
(3) the speed of the smoke passing through the filter bag is reduced, namely the filtering air speed is reduced, and although the passing fine dust is reduced, the required filtering area is large, the equipment volume is large, the occupied area is large, and the investment cost is high.
For the reasons, an economical, efficient and feasible modification scheme is urgently needed in the technical field of flue gas dust removal, and ultra-clean treatment of fine particulate matters in flue gas is met.
Disclosure of Invention
The utility model aims to provide an ultra-clean flue gas treatment system, which can perform ultra-clean treatment on fine particulate matters in flue gas, effectively improve the smoke treatment effect and efficiency, overcome the defect that a bag-type dust collector in the prior art is difficult to filter and treat small-particle smoke, and has the advantages of small integral equipment volume, low cost and the like.
The above purpose is realized by the following technical scheme:
an ultra-clean processing system for flue gas comprises: the casing, casing internally mounted have the sack cleaner, the inside filter bag that has of sack cleaner, casing side be connected with the inlet flue, inlet flue internally mounted have atomizing spray set, atomizing spray set loop through an electromagnetic flow valve and be connected with conveyor respectively, conveyor pass through the pipeline and be connected with agglomeration agent solution tank, casing top be the air-purifying chamber, casing bottom be connected with the ash falling chamber, inlet flue bottom install air soot blower, weighing sensor respectively.
The ultra-clean processing system of flue gas, atomizing spray set be high pressure atomizing spray gun, set up quantity and be 1 group to the interval sets up from top to bottom, the vertical arrangement of import flue, its upper end with the air inlet intercommunication of casing, the lower extreme has the flue gas entry, the ash falling chamber have the mouth of unloading, the air-purifying chamber have the net gas export.
Has the advantages that:
1. the utility model relates to a flue gas ultra-clean treatment system, which can perform ultra-clean treatment on fine particulate matters in flue gas, improves the smoke dust treatment effect and efficiency, overcomes the defect that a cloth bag dust remover in the prior art is difficult to filter and treat small-particle smoke dust, has the advantages of simple structural design, small overall equipment volume, low use cost and the like, improves the flue gas emission index, and avoids environmental pollution.
2. According to the utility model, the air soot blower is additionally arranged at the bottom of the vertical flue and is provided with the weighing sensor, when the accumulated soot of the flue reaches a certain weight, the electromagnetic valve of the air soot blower is interlocked, the air soot blower is opened, and the particulate matters deposited at the bottom of the flue are blown up again and then enter the subsequent bag-type dust remover to be trapped, so that the effect of filtering and dedusting is improved.
3. The bag-type dust collector is provided with an inlet flue, and an atomization spraying device is arranged in the inlet flue; the atomizing and spraying device is communicated with a liquid source in the aggregating agent solution tank through the conveying device, the structural design is simple and reasonable, the dust removal efficiency and effect can be obviously improved, the flue gas emission index is improved, and the use cost is reduced.
4. The conveying device is a self-sucking pump, the atomizing and spraying device is communicated with the liquid source of the solution of the agglomerating agent through the conveying pipe, and the conveying device is communicated and arranged on the conveying pipe, so that the conveying efficiency is high, the power is good, and the stability is good.
5. The electromagnetic flow valve conveying device further comprises a controller, wherein the electromagnetic flow valve is arranged on the conveying pipe, the controller is respectively and electrically connected with the conveying device and the electromagnetic flow valve, and the electromagnetic flow valve conveying device is convenient for electric control operation, simplifies operation procedures and improves operation efficiency.
6. The atomization spraying device is a high-pressure atomization spraying gun, the spraying effect is good by adopting the structure, and small-particle smoke dust in the inlet flue can be effectively agglomerated into large particles to obtain a better treatment effect.
7. The dust detector is arranged in the smoke-purifying outlet of the bag-type dust collector and electrically connected with the controller, and the adoption of the structure is convenient for detecting the smoke situation in the smoke-purifying outlet, so that the operation parameters of the whole equipment are effectively controlled.
Description of the drawings:
FIG. 1 is a schematic structural diagram of the present invention.
Wherein: 1. the system comprises a bag-type dust collector, 2, an aggregating agent solution tank, 3, an atomization spraying device, 4, a conveying device, 5, an inlet flue, 6, a shell, 7, a filter bag, 8, an electromagnetic flow valve, 9, an air purifying chamber, 10, a dust falling chamber, 11, an air soot blower, 12 and a weighing sensor.
The specific implementation mode is as follows:
example 1:
an ultra-clean processing system for flue gas comprises: casing 6, casing internally mounted have sack cleaner 1, the inside filter bag 7 that has of sack cleaner, casing side be connected with import flue 5, import flue internally mounted have atomizing spray set 3, atomizing spray set loop through 2 electromagnetic flow valve 8 and be connected with conveyor 4 respectively, conveyor pass through the pipeline and be connected with agglomeration agent solution tank 2, casing top be air-purifying chamber 9, casing bottom be connected with ash falling chamber 10, import flue bottom install air soot blower 11, weighing sensor 12 respectively.
Example 2:
according to embodiment 1 flue gas ultra-clean processing system, atomizing spray set be high pressure atomizing spray gun, set up quantity for 1 group to interval sets up from top to bottom, the vertical arrangement of import flue, its upper end with the air inlet intercommunication of casing, the lower extreme has the flue gas entry, ash falling chamber have the mouth of unloading, air-purifying chamber have the net gas export.
The flue gas ultra-clean treatment system mainly comprises: the system comprises a bag-type dust collector, an agglomerant solution liquid source and an atomization spraying device, wherein the bag-type dust collector is provided with an inlet flue, the atomization spraying device is arranged in the inlet flue, and the atomization spraying device is communicated with the liquid source of an agglomerant solution tank through a conveying device;
in the using process, the smoke dust enters the inlet flue, meanwhile, the conveying device conveys the aggregating agent solution to the atomization spraying device, the smoke dust is atomized and sprayed in the inlet flue, so that the aggregating agent is fully contacted with the smoke dust in the inlet flue, and therefore, small-particle smoke dust is chemically aggregated into large particles under the action of the aggregating agent, and then enters the bag-type dust remover to realize good filtration of the large-particle smoke dust, the smoke dust treatment effect and efficiency are improved, the defect that the conventional bag-type dust remover is difficult to filter the small-particle smoke dust is overcome, the whole equipment is small in size, small in space occupation, low in cost and excellent in dust removal effect;
the conveying device is a self-sucking pump, the atomizing and spraying device is communicated with the liquid source of the aggregating agent solution through a conveying pipe, and the conveying device is communicated and arranged on the conveying pipe, so that the conveying device is stable in conveying and can effectively convey the aggregating agent solution;
the electric operation control system further comprises a controller, wherein the electromagnetic flow valve is arranged on the conveying pipe, the controller is respectively electrically connected with the conveying device and the electromagnetic flow valve, and the controller can realize electric operation control, so that the operation process is simplified, the operation efficiency is improved, and the labor input cost is reduced;
the atomizing and spraying device is a high-pressure atomizing spray gun, and can well realize the atomizing and spraying of the aggregating agent solution in the inlet flue, so that the aggregating agent solution is fully contacted with the smoke dust particles, and the dust removal efficiency and effect are improved;
a dust detector is arranged in a smoke purification outlet of the bag-type dust collector and is electrically connected with the controller, the dust detector can detect indexes (concentration and the like) of smoke at the smoke purification outlet after the treatment of the bag-type dust collector in real time and send detection information to the controller, and the controller adjusts the flow opening and closing state of the electromagnetic flow valve and the running state of the conveying device according to the smoke information, so that the operation is intelligent, the efficiency is high, and the control is more accurate;
the concentration of the agglomeration agent in the liquid source of the agglomeration agent solution is 0.1-5 per mill, the mixture ratio is moderate, small-particle smoke dust can be effectively agglomerated, and the economic benefit is high;
the bag-type dust collector comprises a shell and a filter bag, wherein the filter bag is arranged in the shell and divides the shell into an air purifying chamber and an ash falling chamber which are arranged at intervals up and down, the bottom of the shell is provided with an ash discharging port communicated with the ash falling chamber, the side wall of the shell is provided with a smoke purifying outlet and an air inlet which are respectively communicated with the air purifying chamber and the ash falling chamber, an inlet flue is vertically arranged, the upper end of the inlet flue is connected and communicated with the air inlet, and the lower end of the inlet flue is a smoke inlet, when the bag-type dust collector is used, dust-containing smoke from an industrial kiln chemically agglomerates through the inlet flue and then enters the ash falling chamber through the air inlet of the bag-type dust collector, particles in the smoke are intercepted on the surface of the filter bag by the filter material after being filtered, the filtered smoke enters the air purifying chamber through the clearance of the filter material and is discharged through the smoke purifying outlet, and the dust layer on the surface of the filter bag is thicker along with the filtering, the filtration resistance rises, the filter bag needs to be cleaned, the dust layer on the surface of the filter bag is cleaned and falls into the bottom of the dust falling chamber, and finally the dust layer is discharged through the dust discharging port, so that the continuous operation of the filter bag filtration is kept, and the filtered smoke particles are mainly fine particles which can pass through the filter material.
The arrangement of the plurality of atomization spray devices enables the agglomeration range of an inlet flue to be wider, the content of small particles of smoke dust is greatly reduced, namely the content of small particles of smoke dust in gas filtered by the filter bag is reduced, and the smoke dust treatment efficiency and effect are improved;
a plurality of weighing sensors are arranged at the bottom of the vertical flue in parallel, and after any one weighing sensor gives an alarm, the corresponding air soot blower immediately starts soot blowing to ensure that no soot is accumulated at the bottom of the vertical flue; the liquid source of the solution of the agglomerating agent can be a box body or a water tank and the like filled with the solution of the agglomerating agent.
Claims (2)
1. An ultra-clean processing system for flue gas comprises: the casing, characterized by: casing internally mounted have the sack cleaner, the inside filter bag that has of sack cleaner, casing side be connected with the import flue, import flue internally mounted have atomizing spray set, atomizing spray set loop through 2 electromagnetic flow valve and be connected with conveyor respectively, conveyor pass through the pipeline and be connected with agglomeration agent solution tank, casing top be the air-purifying chamber, casing bottom be connected with the ash falling chamber, import flue bottom install air soot blower, weighing sensor respectively.
2. The ultra-clean processing system for flue gas as claimed in claim 1, wherein: the atomizing spray device be high pressure atomizing spray gun, set up quantity and be 1 group to the interval sets up from top to bottom, the vertical arrangement of import flue, its upper end with the air inlet intercommunication of casing, the lower extreme has the flue gas entry, the ash falling chamber have the ash discharging mouth, air-purifying chamber have the net gas export.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220332132.4U CN216878554U (en) | 2022-02-18 | 2022-02-18 | Flue gas ultra-clean treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220332132.4U CN216878554U (en) | 2022-02-18 | 2022-02-18 | Flue gas ultra-clean treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216878554U true CN216878554U (en) | 2022-07-05 |
Family
ID=82184712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220332132.4U Expired - Fee Related CN216878554U (en) | 2022-02-18 | 2022-02-18 | Flue gas ultra-clean treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216878554U (en) |
-
2022
- 2022-02-18 CN CN202220332132.4U patent/CN216878554U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220705 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |