CN105066660A - Tail gas treatment device of boiler of reeling mill - Google Patents
Tail gas treatment device of boiler of reeling mill Download PDFInfo
- Publication number
- CN105066660A CN105066660A CN201510495422.5A CN201510495422A CN105066660A CN 105066660 A CN105066660 A CN 105066660A CN 201510495422 A CN201510495422 A CN 201510495422A CN 105066660 A CN105066660 A CN 105066660A
- Authority
- CN
- China
- Prior art keywords
- boiler
- tail gas
- drying room
- heat exchanger
- reeling mill
- 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.)
- Pending
Links
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Abstract
The invention discloses a tail gas treatment device of a boiler of a reeling mill, and relates to the technical field of tail gas treatment. The tail gas treatment device of the boiler of the reeling mill comprises a heat exchanger, a drying room, an induced draft fan and a chimney, and is characterized in that one end of the heat exchanger is connected with an outlet of a boiler flue, and the other end of the heat exchanger is connected with a water film duster; lime and ammonia water are added in water of the water film duster; a gas outlet of the water film duster is connected with the drying room through an air outlet pipe; a filter which is used for catalyzing oxidation CO and oxynitride and includes molecular sieve based catalysts is fixed in the air outlet pipe; and the other end of the drying room is connected with the chimney through the induced draft fan. The aims that the tail gas treatment device of the boiler of the reeling mill is low in manufacturing cost and convenient to mount, and equipment cannot be damaged in the resource utilization process of waste heat are achieved.
Description
Technical field
The present invention relates to tail gas disposal technique field, especially a kind of reeling mill boiler exhaust gas treating apparatus.
Background technology
The boiler of reeling mill is generally that heat toasts fresh cocoon, filature accessory substance cotton piece, lousiness, pelettes, to the waste silk etc. on filature winding bar, the temperature of tail gas generally can reach 300 DEG C ~ 500 DEG C for providing, and containing a large amount of N
2, CO
2, O
2, SO
2, CO, oxynitrides, dust and water vapor component, directly entering in air not only wastes waste heat and also can cause very large pollution to environment, so will process these tail gas, makes full use of using waste heat from tail gas and reduces its pollution to environment.Meanwhile, present filature processing factory is all generally medium-sized and small enterprises, fund and scale limited, so not only require that treatment effect is good for the treating apparatus of boiler exhaust gas, the more important thing is and want that cost is low, convenient for installation and maintenance and cost is low.
The existing device about reeling mill's vent gas treatment at present, as utility model patent 2012205795919 " reeling mill utilizes the device of boiler flue waste heat ", see accompanying drawing 1, disclosing this device is connect heat exchanger 3, dry type Ceramic dust collector 4, water dust scrubber 5, air-introduced machine 6 and chimney 7 successively at boiler 1 flue 2 outlet, heat exchanger 3 is also connected with hot blast discharge pipe 8 and cold wind blast pipe 11, be connected with drying room 10 by small-power air-introduced machine 9, drying room inside is provided with the shelf placing the byproduct such as cotton piece, lousiness.The shortcoming of this device is as follows: pass into drying room once being that flue gas is unprocessed, the easy dust stratification of a large amount of dust results in blockage, and simultaneously tail gas reacts and generates acid corrosion equipment under the environment of high temperature and steam; Two is use dry type Ceramic dust collector and water dust scrubber simultaneously, for the scale of current most reeling mill, has the suspicion of wasting one's talent on a petty job, and site area requires large, causes the waste of resource; Three is that this device is to SO
2obvious with the removal effect of dust, and undesirable to the treatment effect of CO and oxynitrides.
Summary of the invention
Technical problem to be solved by this invention is to provide and a kind ofly makes full use of waste heat and can not destroy reeling mill's boiler exhaust gas treating apparatus of equipment.
In order to solve the problem, the technical solution adopted in the present invention is: comprise heat exchanger, drying room, air-introduced machine and chimney, described heat exchanger one end exports with boiler flue and is connected, the other end is connected with water dust scrubber, lime and ammoniacal liquor is added with in the water of described water dust scrubber, described water dust scrubber gas outlet is connected with drying room by discharge pipe, described discharge pipe internal fixtion has the filter containing molecular sieve catalyst of CO catalytic oxidation and oxynitrides, and the described drying room other end is connected with chimney through air-introduced machine.
In technique scheme, technical scheme can also be more specifically: described heat exchanger is the boiler of built-in many seamless pipes.
Further: described molecular sieve catalyst is one or both of Copper Ion Exchange HTS containing cobalt and the Copper Ion Exchange HTS containing rhodium.
Owing to have employed technique scheme, the present invention compared with prior art has following beneficial effect:
1, tail gas of the present invention is at SO
2, CO, the equipment such as oxynitrides and dust just pass into drying room after process, the pipeline avoiding tail gas to react under the environment of high temperature and steam on the one hand generating acid corrosion drying room, should avoid dust to block the equipment such as the pipeline of drying room on the one hand.
2, the present invention is provided with process CO and oxynitrides contains the filter of molecular sieve catalyst specially, thoroughly removes CO and oxynitrides.These molecular sieve catalysts, with the design feature of the arrangement of its regular duct, the uniform uniqueness such as pore-size distribution, larger specific surface, have good adsorptivity and chemical stability.For the nitrogen oxide of tail gas, molecular sieve catalyst absorption NH
3and make it activate the NH forming ADSORPTION STATE
3, react at the nitrogen oxide with gaseous state and generate N
2and H
2o, range of reaction temperature is wide, and conversion ratio is high.For CO, preferentially adsorbed by molecular sieve catalyst and activated, and reacting with the active oxygen species of catalyst surface, cause Lacking oxygen, this Lacking oxygen is occupied by the oxygen in gas phase, thus oxidized and remove.So the present invention has used dry type Ceramic dust collector less, only with water dust scrubber and the filter removing CO, oxynitrides, not only process more thorough, also avoid waste, saved fund, venue cost.
3, heat utilization rate of the present invention is high, and heat exchanger is the boiler of built-in many seamless pipes, and increase the contact area with boiler high temperature tail gas, the normal-temperature water in pipe can be promoted to 85 DEG C; And secondary is used in drying room oven dry filature accessory substance, when tail gas is discharged from chimney, temperature is only 120 DEG C ~ 160 DEG C.
Accompanying drawing explanation
Fig. 1 is the structural representation of reeling mill's exhaust gas processing device of prior art.
Fig. 2 is the structural representation of the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the invention will be further described:
The embodiment of this reeling mill boiler exhaust gas treating apparatus as shown in Figure 2, flue 13 outlet of boiler 12 is connected with one end of the boiler 14 of built-in 120 Φ 57mm seamless pipes, the other end of boiler 14 is connected with venturi-granite with water film tower 15, lime and ammoniacal liquor is added in the water of venturi-granite with water film tower 15, moisture film tower 15 gas outlet is connected with drying room 18 by discharge pipe 16, described discharge pipe 16 internal fixtion has 5 pieces of screen packs 17 parallel with cross-section of pipeline, this screen pack 17 is covered with the Copper Ion Exchange HTS containing cobalt, CO catalytic oxidation and oxynitrides, drying room 18 other end is connected with chimney 20 through air-introduced machine 19.
During work, boiler 12 enters containing a large amount of N to flue 13
2, CO
2, O
2, SO
2, CO, oxynitrides, dust and water vapor component the flue gas of 300 DEG C ~ 500 DEG C, normal-temperature water is passed through in boiler 14 pipeline, by the heat exchange of seamless pipe and high-temperature tail gas, by the heat energy transfer of tail gas in normal-temperature water, normal-temperature water can be promoted to 85 DEG C, then tail gas enters venturi-granite with water film tower 15, and tail gas rotates at this, dust and SO
2adsorbed by centrifugal action by the moisture film that inner wall of tower contains lime and ammoniacal liquor and flow to tower bottom with water, drawing off through dust-exhausting port, residual gas is by the Copper Ion Exchange HTS containing cobalt, and CO and the catalyzed oxidation of oxynitrides generate CO
2, N
2and H
2o and being eliminated, eliminates SO
2, CO, oxynitrides and dust the tail gas being in 160 DEG C ~ 250 DEG C of cleaning under the effect of air-introduced machine 19 by drying room 18, again carry out heat exchange, finally enter air from chimney 20 with the temperature of 120 DEG C ~ 160 DEG C.
Claims (3)
1. reeling mill's boiler exhaust gas treating apparatus, comprise heat exchanger, drying room, air-introduced machine and chimney, it is characterized in that: described heat exchanger one end exports with boiler flue and is connected, the other end is connected with water dust scrubber, lime and ammoniacal liquor is added with in the water of described water dust scrubber, described water dust scrubber gas outlet is connected with drying room by discharge pipe, described discharge pipe internal fixtion has the filter containing molecular sieve catalyst of CO catalytic oxidation and oxynitrides, and the described drying room other end is connected with chimney through air-introduced machine.
2. reeling mill according to claim 1 boiler exhaust gas treating apparatus, is characterized in that: described heat exchanger is the boiler of built-in many seamless pipes.
3. reeling mill according to claim 1 boiler exhaust gas treating apparatus, is characterized in that: described molecular sieve catalyst is one or both of Copper Ion Exchange HTS containing cobalt and the Copper Ion Exchange HTS containing rhodium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510495422.5A CN105066660A (en) | 2015-08-13 | 2015-08-13 | Tail gas treatment device of boiler of reeling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510495422.5A CN105066660A (en) | 2015-08-13 | 2015-08-13 | Tail gas treatment device of boiler of reeling mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105066660A true CN105066660A (en) | 2015-11-18 |
Family
ID=54496091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510495422.5A Pending CN105066660A (en) | 2015-08-13 | 2015-08-13 | Tail gas treatment device of boiler of reeling mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105066660A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4218832A (en) * | 1979-04-27 | 1980-08-26 | Champion International Corporation | Apparatus for processing wood products using heat from a boiler for indirectly heating drying gas |
| CN1126632A (en) * | 1995-09-19 | 1996-07-17 | 金涧波 | Exhaust treating method for chimney-less boiler and refuse incinerator |
| CN102175030A (en) * | 2011-02-28 | 2011-09-07 | 邹炎 | System and method for integrating smoke purification and lignite quality-improvement |
| CN102345967A (en) * | 2011-08-31 | 2012-02-08 | 南宁吉然糖业技术有限公司 | Multi-level impulse bagasse drying system |
| CN102954678A (en) * | 2012-11-07 | 2013-03-06 | 阳光凯迪新能源集团有限公司 | Method and device using biomass boiler smoke to dry biomass raw material |
| WO2014129030A1 (en) * | 2013-02-25 | 2014-08-28 | 三菱重工業株式会社 | Exhaust gas treatment system and exhaust gas treatment method |
| CN104213962A (en) * | 2014-08-22 | 2014-12-17 | 江阴华音陶瓷机电科技有限公司 | Cylindrical tail gas filter |
| CN204352706U (en) * | 2014-12-04 | 2015-05-27 | 江西大华云通玻纤有限公司 | A kind of New-type boiler dust removal with desulfurization by water film system |
-
2015
- 2015-08-13 CN CN201510495422.5A patent/CN105066660A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4218832A (en) * | 1979-04-27 | 1980-08-26 | Champion International Corporation | Apparatus for processing wood products using heat from a boiler for indirectly heating drying gas |
| CN1126632A (en) * | 1995-09-19 | 1996-07-17 | 金涧波 | Exhaust treating method for chimney-less boiler and refuse incinerator |
| CN102175030A (en) * | 2011-02-28 | 2011-09-07 | 邹炎 | System and method for integrating smoke purification and lignite quality-improvement |
| CN102345967A (en) * | 2011-08-31 | 2012-02-08 | 南宁吉然糖业技术有限公司 | Multi-level impulse bagasse drying system |
| CN102954678A (en) * | 2012-11-07 | 2013-03-06 | 阳光凯迪新能源集团有限公司 | Method and device using biomass boiler smoke to dry biomass raw material |
| WO2014129030A1 (en) * | 2013-02-25 | 2014-08-28 | 三菱重工業株式会社 | Exhaust gas treatment system and exhaust gas treatment method |
| CN104213962A (en) * | 2014-08-22 | 2014-12-17 | 江阴华音陶瓷机电科技有限公司 | Cylindrical tail gas filter |
| CN204352706U (en) * | 2014-12-04 | 2015-05-27 | 江西大华云通玻纤有限公司 | A kind of New-type boiler dust removal with desulfurization by water film system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101439260A (en) | System for removing nitrous oxides in low-temperature flue gas and technique thereof | |
| CN110624384A (en) | Purification treatment method and purification treatment device for waste incineration flue gas | |
| CN101972578A (en) | Rotary kiln flue gas treating device capable of automatically controlling blowing rate of draught fan | |
| CN217016043U (en) | Flue gas treatment system | |
| CN109731472B (en) | Energy-saving boiler flue gas purification system and method | |
| CN113019121A (en) | Low-temperature SCR (selective catalytic reduction) flue gas denitration device for household garbage incineration plant | |
| CN104492259A (en) | SCR flue gas denitrification system for household garbage furnace | |
| CN205867863U (en) | Flue gas purification treatment device | |
| CN105066660A (en) | Tail gas treatment device of boiler of reeling mill | |
| CN201776085U (en) | Heating type denitration device | |
| CN201493030U (en) | Boiler waste gas treating device | |
| CN216755958U (en) | Low-energy-consumption waste incineration flue gas near-zero emission treatment and waste heat utilization device | |
| CN204093282U (en) | A kind for the treatment of apparatus utilizing ozonization to remove nitrogen oxide | |
| CN211585963U (en) | Purification treatment device for waste incineration flue gas | |
| CN204352760U (en) | Furnace for domestic refuse SCR flue gas denitrification system | |
| CN204574057U (en) | Sludge anhydration burning and innoxious flue gas processing device | |
| CN203764140U (en) | Double-sodium tail gas purifying device | |
| CN209952555U (en) | Smoke treatment system for red mud wet rotary kiln | |
| CN202427335U (en) | Treatment device for smoke containing nitric oxide | |
| CN105066159A (en) | Reeling mill boiler tail gas treatment method | |
| CN214829837U (en) | Waste gas treatment device for sludge drying and carbonization | |
| CN217952342U (en) | Household garbage incineration power generation flue gas purification system | |
| CN212142123U (en) | SCR (selective catalytic reduction) denitration device for industrial flue gas | |
| CN209968075U (en) | Flue gas purifying device | |
| CN214333424U (en) | Denitration device for ultralow emission of boiler tail gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151118 |