CN211069538U - Spraying device for treating flue gas of biomass burner - Google Patents
Spraying device for treating flue gas of biomass burner Download PDFInfo
- Publication number
- CN211069538U CN211069538U CN201922126862.XU CN201922126862U CN211069538U CN 211069538 U CN211069538 U CN 211069538U CN 201922126862 U CN201922126862 U CN 201922126862U CN 211069538 U CN211069538 U CN 211069538U
- Authority
- CN
- China
- Prior art keywords
- flue gas
- spray
- smoke
- drainage
- biomass burner
- 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
- 239000003546 flue gas Substances 0.000 title claims abstract description 51
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 239000002028 Biomass Substances 0.000 title claims abstract description 18
- 238000005507 spraying Methods 0.000 title claims description 20
- 239000007921 spray Substances 0.000 claims abstract description 56
- 239000000428 dust Substances 0.000 claims abstract description 39
- 239000000779 smoke Substances 0.000 claims abstract description 38
- 239000007789 gas Substances 0.000 claims abstract description 3
- 239000002002 slurry Substances 0.000 claims description 13
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 230000008676 import Effects 0.000 abstract 2
- 230000006978 adaptation Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 8
- 239000002912 waste gas Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000005684 electric field Effects 0.000 description 5
- 239000003344 environmental pollutant Substances 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- 235000019504 cigarettes Nutrition 0.000 description 3
- 238000006477 desulfuration reaction Methods 0.000 description 3
- 230000023556 desulfurization Effects 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000000593 degrading effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Images
Landscapes
- Treating Waste Gases (AREA)
- Chimneys And Flues (AREA)
Abstract
The utility model discloses a spray set for biomass burner flue gas treatment, including the spray column, the spray column lower extreme is provided with the flue gas import, the top is provided with the exhanst gas outlet, the flue gas import extends to and connects a preliminary dust collector in the spray column, the top of preliminary dust collector is sealed end and all sides evenly distributed has a plurality of outlet ports, the lower extreme that is the adapter sleeve of radius platform form that preliminary dust collector upper end periphery side fixed connection sieve made, the upper end adaptation fixed connection of adapter sleeve on the inner wall of spray column, the adapter sleeve top has set gradually first uniform layer, first spray structure, second uniform layer, second spray structure from bottom to top; the smoke outlet is provided with a flow guide ring, the inner ring of the flow guide ring is provided with a plurality of tooth-shaped bulges used for tearing smoke, and the preliminary dust removal device is internally provided with a plurality of smoke collision plates. The utility model discloses rational in infrastructure, improve flue gas treatment efficiency and effect.
Description
Technical Field
The utility model relates to a spray set for biomass burner flue gas is handled.
Background
In the use process of the biomass burner, a large amount of smoke with dust can be generated, and a spray tower is one of the commonly used treatment structures in the current treatment link. The water spray tower is used as a pretreatment device in the flue gas treatment, plays a role in dedusting and cooling and plays a key role in the flue gas treatment.
The water spray tower is divided into a single tower body and a double tower body, and most of the water spray towers are circular bodies and are formed by connecting flanges in sections. The tower body is provided with a circulating water tank, a tower body, an air inlet section, a spraying layer, a demister, an exhaust port, an access hole and the like. Waste gas is introduced into the spray tower through the air pipe, the waste gas and the collected liquid are in gas-liquid two-phase full contact and react through the spray layer, and the waste gas is purified and then is dehydrated and demisted through the demisting layer and then is discharged into the atmosphere through the fan. The spray liquid is sprayed down at the tower top after being pressurized by a water pump at the tower bottom, and finally reflows to the tower bottom for recycling.
The traditional spray tower has the defects of low removal rate of pre-pollutants, uneven gas distribution, poor dust removal effect and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a spray set for biomass burner flue gas is handled improves dust collection efficiency and flue gas treatment effect.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a spray device for treating flue gas of a biomass burner comprises a spray tower, wherein a flue gas inlet is formed in the lower end of the spray tower, a flue gas outlet is formed in the top end of the spray tower, the flue gas inlet extends into the spray tower and is connected with a primary dust removal device, a plurality of smoke outlets are uniformly distributed in the top of the primary dust removal device and are arranged on the periphery side of the primary dust removal device, the periphery side of the upper end of the primary dust removal device is fixedly connected with the lower end of a connecting sleeve which is made of a sieve plate and is in an inverted frustum shape, the upper end of the connecting sleeve is fixedly connected to the inner wall of the spray tower in an adaptive mode, and a first uniform layer, a first spray structure, a second uniform layer and a second; the smoke outlet is provided with a flow guide ring, the inner ring of the flow guide ring is provided with a plurality of tooth-shaped bulges used for tearing smoke, and the primary dust removal device is internally provided with a plurality of smoke collision plates.
Furthermore, the lower end of the connecting sleeve is arranged below each smoke outlet, and the smoke outlets are provided with smoke guide grooves in one-to-one correspondence on the inner wall of the connecting sleeve.
Furthermore, the first spraying structure and the second spraying structure both comprise spraying pipes and a plurality of spray heads connected with the spraying pipes.
Further, the first uniform layer and the second uniform layer are sieve plates.
Furthermore, the first uniform layer and the second uniform layer are both rotational flow demisting layers.
Furthermore, the bottom of the spraying tower is provided with a slurry tank, and the lower end opening of the primary dust removal device is immersed in the slurry tank.
Further, preliminary dust collector includes the cylindrical barrel of upper end and the shape of the hammer of falling of lower extreme barrel, wherein the top of cylindrical barrel is provided with and is conical drainage cover, be provided with a plurality of drainage grooves on the drainage cover, each drainage groove and each the mouth of a cigarette one-to-one, the drainage groove is located mouth of a cigarette top just the lower extreme in drainage groove extends to and crosses the mouth of a cigarette forms the drainage and hides the edge.
Furthermore, a drainage port is correspondingly arranged on the connecting sleeve below the drainage shielding edge.
Furthermore, the drainage port is provided with a sieve hole on the connecting sleeve.
Compared with the prior art, the utility model discloses a beneficial technological effect:
the primary dust removal device can effectively perform primary dust removal treatment on the entering flue gas;
a flow guide ring is added on a smoke outlet of the primary dust removal device to tear the smoke, so that the contact area of the slurry flowing down from the flow guide cover and the smoke is increased, and the smoke treatment efficiency (desulfurization and dust reduction) is improved;
the smoke is guided through the smoke guide groove on the connecting sleeve, so that the smoke is distributed more uniformly, the contact area of the whole smoke and the spraying slurry is increased, and the treatment efficiency (desulfurization and dust reduction) is improved.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
Fig. 1 is a schematic structural view of the spraying device for treating the flue gas of the biomass burner of the present invention;
fig. 2 is a schematic structural view of a guide ring;
FIG. 3 is a schematic top view of the drainage mask;
FIG. 4 is a schematic diagram of the distribution of the flue gas impingement plates in the preliminary dust removal apparatus;
description of reference numerals: 1. a spray tower; 101. a flue gas inlet; 102. a flue gas outlet; 2. a preliminary dust removal device; 201-flue gas collision plate; 3. a smoke outlet; 4. connecting sleeves; 5. first uniform layering; 6. a first spray structure; 7. secondly, uniformly layering; 8. a second spray structure; 9. a mechanical demister; 10. an electric field degradation demisting device; 11-a drainage cover; 1101-a drainage groove; 1102-drainage cover edge; 12-a flow guide ring; 1201. and (4) a tooth-shaped bulge.
Detailed Description
As shown in fig. 1 to 4, a spray device for treating flue gas of a biomass burner comprises a spray tower 1, wherein a flue gas inlet 101 is arranged at the lower end of the spray tower 1, a flue gas outlet 102 is arranged at the top end of the spray tower 1, the flue gas inlet extends into the spray tower and is connected with a preliminary dust removal device 2, a plurality of flue gas outlets 3 are uniformly distributed at the top of the preliminary dust removal device 2 as a sealed end and on the peripheral side, the upper peripheral side of the upper end of the preliminary dust removal device 2 is fixedly connected with the lower end of a connecting sleeve 4 which is made of a sieve plate and is in an inverted circular truncated cone shape, the upper end of the connecting sleeve 4 is fixedly connected to the inner wall of the spray tower 1 in an adaptive manner, and a first uniform layer 5, a first spray structure 6, a second uniform layer 7, a second spray structure 8, a mechanical demister 9 and; a guide ring 12 is arranged on the smoke outlet 3, a plurality of tooth-shaped protrusions 1201 used for tearing smoke are arranged on the inner ring of the guide ring 12, a plurality of smoke collision plates 201 are arranged in the primary dust removal device 2, and the smoke collision plates 201 are obliquely arranged. The bottom of the spray tower 1 is a slurry pool, and the lower end opening of the primary dust removal device 2 is immersed in the slurry pool.
In this embodiment, the lower end of the connecting sleeve 4 is disposed below each smoke outlet 3, and the inner wall of the connecting sleeve 4 is provided with smoke guiding grooves corresponding to the smoke outlets one by one. The preliminary dust removal device 2 comprises a cylindrical barrel at the upper end and an inverted hammer-shaped barrel at the lower end, wherein a conical drainage cover 11 is arranged at the top end of the cylindrical barrel, a plurality of drainage grooves 1101 are arranged on the drainage cover 11, each drainage groove 1101 is in one-to-one correspondence with each smoke outlet 3, and the drainage grooves 1101 are positioned above the smoke outlets 3 and the lower ends of the drainage grooves 1101 extend to cross the smoke outlets 3 to form drainage shielding edges 1102. The connecting sleeve 4 below the drainage cover 1102 is correspondingly provided with a drainage port, and the drainage port can be a self-contained sieve hole on the connecting sleeve 4.
The first spraying structure 5 and the second spraying structure 7 both comprise spraying pipes and a plurality of spray heads connected with the spraying pipes. The first uniform layering 6 and the second uniform layering 8 are sieve plates or cyclone demisting layers.
The first and second showers 5, 7 are connected to the slurry tank at the bottom of the showers via a circulation pump and a filtration device (this is a conventional connection in the art).
The utility model discloses a use as follows:
flue gas enters the primary dust removal device 2 from a flue gas inlet 101, primary dust removal treatment is carried out through cyclone collision, then the flue gas overflows through a guide ring 12 on a flue gas outlet 3, the flue gas continues (at least a part of the flue gas) upwards along a flue gas guide groove on a connecting sleeve 4, is uniformly dispersed, upwards passes through a first equalizing plate, is in contact reaction with slurry sprayed by a spraying structure, and is desulfurized and subjected to dust removal;
the slurry flowing down from the drainage cover is continuously contacted with the torn flue gas overflowing from the smoke outlet 3 of the primary dust removal device 2 in the diversion ring 12 (the contact area of the slurry and the flue gas is greatly increased due to the torn flue gas), so that the flue gas treatment efficiency (desulfurization and dust fall) is improved;
the flue gas continuously rises to pass through the mechanical demister 9 and the electric field degradation demisting device 10 and then is discharged from the flue gas outlet 102.
The mechanical demister 9 comprises a plurality of demisting plates which are uniformly overlapped and distributed and are spliced according to a certain gap. Waste gas is mingled with the clearance that the pollutant that is insoluble in water passes through the plate of defogging board, and on the very big partly steam of in-process that passes through can collide the defogging board, because of steam constantly collides here and gathers into big liquid droplet, assembles at last into liquid along the tower inner wall in flowing into the water of bottom in the tower. Thereby taking part of the pollutants away from the waste gas to obtain partial purification and reducing the liquid content of the discharged waste gas. Steam passes through the mechanical demister 9 and enters the electric field demisting and degrading device 10, and the electric field demisting and degrading device 10 is formed by uniformly distributing a plurality of positive plates and negative plates in a staggered manner. The two ends of the positive plate and the negative plate are respectively connected with a high-voltage power supply through leads. When the waste gas is mixed with water-insoluble pollutants and passes through, under the action of a strong electric field between the polar plates, the positive charges or the negative charges on the waste gas and the pollutant magnetized belt respectively move to the polar plates with opposite polarities, are gathered on the polar plates to become large liquid drops, and are converged into liquid which flows into a slurry pool at the bottom in the tower along the inner wall of the spray tower.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (9)
1. The utility model provides a spray set for biomass burner flue gas is handled, includes the spray column, the spray column lower extreme is provided with the flue gas inlet, and the top is provided with exhanst gas outlet, its characterized in that: the device comprises a spray tower, a flue gas inlet, a first spray structure, a second spray structure, a first uniform layer, a second uniform layer and a second spray structure, wherein the flue gas inlet extends into the spray tower and is connected with the primary dust removal device, the top of the primary dust removal device is a sealed end, a plurality of smoke outlets are uniformly distributed on the periphery of the top of the primary dust removal device, the periphery of the upper end of the primary dust removal device is fixedly connected with the lower end of a connecting sleeve which is made of a sieve plate and is in an inverted frustum shape, the upper end of the connecting sleeve is matched and fixedly connected to the; the smoke outlet is provided with a flow guide ring, the inner ring of the flow guide ring is provided with a plurality of tooth-shaped bulges used for tearing smoke, and the primary dust removal device is internally provided with a plurality of smoke collision plates.
2. The spray device for biomass burner flue gas treatment according to claim 1, characterized in that: the lower end of the connecting sleeve is arranged below the smoke outlets, and smoke guide grooves are formed in the inner wall of the connecting sleeve in a one-to-one correspondence mode and are arranged at the smoke outlets.
3. The spray device for biomass burner flue gas treatment according to claim 1, characterized in that: the first spraying structure and the second spraying structure respectively comprise a spraying pipe and a plurality of spray heads connected with the spraying pipe.
4. The spray device for biomass burner flue gas treatment according to claim 1, characterized in that: the first equal-dividing layer and the second equal-dividing layer are sieve plates.
5. The spray device for biomass burner flue gas treatment according to claim 1, characterized in that: the first uniform layer and the second uniform layer are both rotational flow defogging layers.
6. The spray device for biomass burner flue gas treatment according to claim 1, characterized in that: the bottom of the spraying tower is provided with a slurry tank, and the lower end opening of the primary dust removal device is immersed in the slurry tank.
7. The spray device for biomass burner flue gas treatment according to claim 1 or 2, characterized in that: preliminary dust collector includes the cylindrical barrel of upper end and the shape of the hammer of falling of lower extreme barrel, wherein the top of cylindrical barrel is provided with and is conical drainage cover, be provided with a plurality of drainage grooves on the drainage cover, each drainage groove and each the mouth one-to-one, the drainage groove is located mouth top just the lower extreme in drainage groove extends to and crosses the mouth formation drainage hides and follows.
8. The spray device for biomass burner flue gas treatment according to claim 7, characterized in that: and a drainage port is correspondingly arranged on the connecting sleeve below the drainage shielding edge.
9. The spray device for biomass burner flue gas treatment according to claim 8, characterized in that: the drainage port is provided with a sieve hole on the connecting sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922126862.XU CN211069538U (en) | 2019-12-02 | 2019-12-02 | Spraying device for treating flue gas of biomass burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922126862.XU CN211069538U (en) | 2019-12-02 | 2019-12-02 | Spraying device for treating flue gas of biomass burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211069538U true CN211069538U (en) | 2020-07-24 |
Family
ID=71632549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922126862.XU Expired - Fee Related CN211069538U (en) | 2019-12-02 | 2019-12-02 | Spraying device for treating flue gas of biomass burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211069538U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114307597A (en) * | 2021-12-14 | 2022-04-12 | 浙江洲扬环保科技有限公司 | Desulfurizing tower composite tower body structure and preparation method thereof |
-
2019
- 2019-12-02 CN CN201922126862.XU patent/CN211069538U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114307597A (en) * | 2021-12-14 | 2022-04-12 | 浙江洲扬环保科技有限公司 | Desulfurizing tower composite tower body structure and preparation method thereof |
| CN114307597B (en) * | 2021-12-14 | 2024-04-12 | 浙江洲扬环保科技有限公司 | Composite tower body structure of desulfurizing tower and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104437068B (en) | A kind of high-efficiency wet-desulfurizing dust pelletizing system and method | |
| CN208008493U (en) | A kind of equipment that flue residue heat is used for Waste Water From Fire Power Plant zero discharge treatment | |
| CN103785255A (en) | Efficient fuel gas treatment system for boiler | |
| CN105964124A (en) | Rotary spraying dust removal and desulfurization device | |
| CN110935287B (en) | Desulfurization device and flue gas dedusting, desulfurization and wastewater treatment method | |
| CN206881489U (en) | A kind of boiler desulfurization absorption plant of flue gas deep purifying | |
| CN103657367A (en) | Device and process for changing one-tower calcium desulphurization to double-tower ammonia desulphurization | |
| CN211069538U (en) | Spraying device for treating flue gas of biomass burner | |
| CN210410179U (en) | Flue gas treatment system | |
| CN2376992Y (en) | Turbulent flue gas purifying tower | |
| CN108686492B (en) | Flue gas dust removal desulfurization tower and dust removal desulfurization method | |
| CN108671734A (en) | A kind of environment-friendly highly efficient purification soda acid exhaust gas washing tower and its working method | |
| CN210278778U (en) | Industrial purification system for removing sulfide gas | |
| CN201300034Y (en) | Vortex-sprinkling combined desulphurizing device | |
| CN108404640B (en) | An integrated device and method for flue gas desulfurization and denitrification | |
| CN110465176B (en) | Flue gas dust removal desulfurization tower and flue gas desulfurization and wastewater treatment method | |
| CN102502904A (en) | Efficient falling film denitriding device and denitriding method thereof | |
| CN108686493B (en) | Flue gas dust removal desulfurization tower and dust removal desulfurization process | |
| CN105797554B (en) | A kind of compound dust removal integrated purifying column of efficient energy-saving desulphurization denitration | |
| CN212999151U (en) | Coking tail gas dust removal desulfurizing tower | |
| CN211328868U (en) | High-efficient gas desulfurization device | |
| CN210251867U (en) | High-efficient flue gas desulfurization denitration purifier | |
| CN211562494U (en) | Novel flue gas desulfurization discharges integration equipment | |
| CN110180373B (en) | Industrial purification system for removing sulfide gas | |
| CN210814692U (en) | Flue gas desulfurization is with spraying tympanic bulla tower system |
Legal Events
| 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: 20200724 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |