CN1201125A - Technical apparatus of smoke preventing and dust controlling, desulfurizing and denitrifying for coal-burning boiler and furnace - Google Patents

Technical apparatus of smoke preventing and dust controlling, desulfurizing and denitrifying for coal-burning boiler and furnace Download PDF

Info

Publication number
CN1201125A
CN1201125A CN 98110263 CN98110263A CN1201125A CN 1201125 A CN1201125 A CN 1201125A CN 98110263 CN98110263 CN 98110263 CN 98110263 A CN98110263 A CN 98110263A CN 1201125 A CN1201125 A CN 1201125A
Authority
CN
China
Prior art keywords
flue gas
multitube
boiler
force
stainless
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.)
Granted
Application number
CN 98110263
Other languages
Chinese (zh)
Other versions
CN1061430C (en
Inventor
刘曾春
刘增营
刘曾明
刘曾圣
刘翼全
刘翼华
刘翼旺
刘翼来
刘翼臣
张军
王利生
Original Assignee
刘曾春
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 刘曾春 filed Critical 刘曾春
Priority to CN 98110263 priority Critical patent/CN1061430C/en
Publication of CN1201125A publication Critical patent/CN1201125A/en
Application granted granted Critical
Publication of CN1061430C publication Critical patent/CN1061430C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Treating Waste Gases (AREA)

Abstract

The smoke-eliminating dust-removing desulfurization and denitrification equipment for coal-fired boiler and kiln furnace is characterized by that it possesses a waist drum round Venturi tube primary purifier, an acid-resisting clay multi-tube jetting secondary purification tower, some stainless steel tube jet nozzles and swirl atomized spray injector, and uses the blow-off alkaline rinse to jet dust-bearing flue gas, and makes the cleaned flue gas pass through gas-liquid separation demister and discharges one, through chimney, into atmosphere by means of induced draft fan of boiler.

Description

Technical apparatus of smoke preventing and dust controlling, desulfurizing and denitrifying for coal-burning boiler and furnace
The present invention relates to Industrial Boiler kiln heating boiler, tea furnace tail flue gas smoke elimination, dedusting, take off SO 2Take off NO xTechnique device, particularly for the spreader stoker boliler, CFBB, fluidized bed furnace, coal-powder boiler, reciprocating-grate boiler, the hand-fired boiler that solve severe overweight exhaust emission environment, all kinds of model Industrial Stoves, life tea furnace have great popularizing value, and be better for the grate firing type chain grate boiler clean-up effect of all kinds of models.
China is a country based on coal, coal is in China's primary energy is produced and consumed, account for more than 70% always, along with expanding economy, the coal in China consumption increases year by year, consumes 1,500,000,000 tons in coal every year approximately, the power station all kinds of life tea furnaces of large medium-size boiler Industrial Stoves that China's great majority use sulphur coal do not have the desulfurization facility, technology falls behind, coal consumption height, SO 2Middle-size and small-size power station that discharge capacity is big and Industrial Stoves are also very general, and life tea furnace, resident's cooking stove in each city, the whole nation still use diffusing coal, and this has just caused China SO 2Discharge capacity is the gesture of increase more and more year by year.Station boiler is the SO of Chinese future maximum according to statistics 2Emission source, 95 years national SO 2Discharge capacity is 8,200,000 tons, SO in 2000 2Discharge capacity will reach 1,100 ten thousand tons, by 2010, and SO 2About 1,300 ten thousand tons of discharge capacitys.Industrial boilers in China nineteen ninety-five whole nation boiler is approximately 49.92 ten thousand tons, and production capacity is 119.81 ten thousand steaming tons, and national Industrial Boiler coal consumption was about 4.3 hundred million tons in 95 years, discharging SO 2Be 8,050,000 tons,, will reach 140-150 ten thousand to the production capacity of Industrial Boiler in 2000 and steam ton that coal consumption will reach 4.8 hundred million tons, then SO according to dynamo-electric portion scholarly forecast 2Generation is approximately 9,000,000 tons, will reach 1,800,000 to the production capacity of Industrial Boiler in 2010 and steam ton, and coal consumption will reach 5.2 hundred million tons, discharging SO 2About 9,750,000 tons.Industrial Stoves: nearly 180,000 of 1995 Industrial Stoves, more than 200,000,000 ton of year coal consumption, SO 2Discharge capacity is approximately 3,020,000 tons, reaches 21.6 ten thousand, SO to Industrial Stoves in 2000 2Discharge capacity reaches about 1,360 ten thousand tons, because Industrial Stoves have a large capacity and a wide range, China does not also control SO at present preferably 2Technology.According to SO during the statistics " eight or five " of national each province and city environmental administration 2Mean annual concentration superstate secondary standard, average daily concentration surpasses grade III Standard, visible China city SO 2Pollute quite serious, SO 2The task of discharging is very arduous, and " national environmental protection the ninth five-year plan and long-range target in 2010 " of Chinese government's promulgation proposed the enforcement period of the ninth five-year plan whole nation total emissions of major pollutants control plan.Chinese Government has further established environment and sustained economic development ten big countermeasure strategy and policy, and " the Chinese Agenda 21 " of State Council approved all clearly proposes to solve environment and development and will rely on scientific and technological advances.
Purpose of the present invention is the serious coal-fired power station boiler of contaminated solution, spreader stoker boliler, CFBB, fluidized bed furnace, coal-powder boiler, reciprocating-grate boiler, hand-fired boiler, all kinds of model Industrial Stoves, life tea furnace technical apparatus of smoke preventing and dust controlling, desulfurizing and denitrifying prior art deficiency have proposed the better economical and practical purification techniques device of one kind of multiple functional effects.This device and existing country " 95 " national science and technology tackling key problem environmental protection project, the best practical technology that national environmental protection is promoted is compared, has the structural principle novelty, volume is little, and the manufacturing cost cost is low, and operating maintenance is easy to use, operating cost is few, comprehensive purifying rate height, acid-alkali-corrosive-resisting, characteristics such as long service life.
Technical scheme of the present invention realizes by following manner, this device has adopted the circular Venturi tube first class purification of waist drum device, the acid resistant adhesive mortar multitube swashs the spray tower second cleaner by force, several stainless-steel pipe jet blowers, the whirlpool spray nozzle, the gas-liquid separation demister utilizes boiler blow-off waste water alkalies to swash ash-laden gas by force, thereby reaches desirable clean-up effect.It is formed structure and mainly contains: boiler, kiln, the ash-laden gas that the tea furnace burning is discharged enters the circular Venturi tube first class purification device (2) of waist drum by the top of flue tube (1), in collapsible tube (3), set up shallow plate (4), to increase effective contact area of flue gas and liquid, its concrete structure is to establish the spout place that stainless steel tube water supply endless tube is distributed in several stainless-steel pipe jet blowers (5), be provided with shallow plate (4), shallow plate (4) can be flat glass or acidproof brick, some shallow plates (4) are along discharging successively on every side, with epoxy resin shallow plate (4) is bonded on the shape base plate of garden, the akaline liquid of stainless-steel pipe jet blower (5) ejection is fan-shaped shallow opening after shallow plate (4) reflection, contacts with flue gas then; Increased effective contact area greatly.Impact atomizing through top stainless-steel pipe whirlpool spray nozzle (6), the drop that injector (6) gushes out becomes thinner droplet by the further atomizing of trunnion (7) under high velocity air impacts, gas is saturated by water institute fully simultaneously, the air film of grit surface attachment breaks through, make grit by water-wet, therefore fierce inertia magnetic taking place between grit and drop hitting effects such as interception cohesion, make grit and harmful substance in the flue gas be caught absorption by abundant atomizing and foam, flue gas is cooled and carries out desulphurization reaction, grit and SO in coalescence and the absorption flue gas 2, NO xAfter the alkaline matter effect in harmful substance and the waste water, fall into circular water seal tank (11) with waste water from the central tube (10) in the sharp by force spray tower second cleaner of anemostat (8) inflow acid resistant adhesive mortar multitube and enter sewage water seal tank (12).Because of first class purification device inwall in the circular Venturi tube of waist drum is subjected to washing away of air blast, acid and alkali corrosion is serious, so connect glass cermaic plate with epoxy resin lining at trunnion (7) inwall, at collapsible tube (3) and anemostat (8) inwall epoxy resin lining cutting acid-proof ceramic tile, smear acid resistant adhesive mortar at the circular water seal tank of central tube (10) (11) inside and outside wall.Scavenging solution flows to several stainless-steel pipe jet blowers (5) of top stainless-steel pipe whirlpool spray nozzle (6) by stainless steel feed pipe (13) and realizes first class purification.Swash spray tower (9) top remittance locellus by force through the acid resistant adhesive mortar multitube again by first class purification device flue gas after being purified and be distributed in the multitube (14) that several acid resistant adhesive mortars of spray tower inner periphery are made, the scavenging solution that will have pressure by stainless steel water supply endless tube (15) is distributed in the little flue gas stream that several stainless-steel pipe whirlpool spray nozzles (16) swash by force in several multitubes (14) of cutting apart and realizes the meticulous purification of secondary again, in several multitubes, contacted micronic dust in absorption liquid and the flue gas and SO fully 2, NO xHarmful substance enters sewage water seal tank (12), meanwhile with liquid-gas ratio be generally 1.5 '/ M3Scavenging solution removed and cut material SO 2, NO xLower stream of airflow speed is dwindled the rise with pressure in spray tower second cleaner (9), make this with the grit be the cohesion of the nuclei of condensation take place faster, be condensed into the dust-laden drop of big grain, entering gas-liquid separation demister (17) whirlpool catches, thereby obtain better purification efficiency, the gas-liquid separation demister bottom is established water seal tank (18), for guarantee service life of equipment spray tower second cleaner (9) and gas-liquid separation demister (17) inner surface with wire netting, reinforcing bar in the preservative treatment of lined with diabase acid resistant adhesive mortar.Purifying the clean flue gas reached GB13271-91 atmosphere pollution I class area discharge standard through second cleaner sends into window chimney (20) by boiler induced-draft fan (19) and enters atmosphere.
The typical embodiment of its clean-up effect has: (1) is applied on the DHF29-1.6/150/90 CFBB and tests; Through the test of cleaner supervision and inspection center, State Bureau of Environmental Protection Beijing, lingemann blackness is dropped to below 1 grade by original 4-5 level; Smoke dust discharge concentration is by boiler export original concentration 14875 Mg/ Nm3, drop to 97 Mg/ Nm3, efficiency of dust collection reaches 99.3%; SO 2Purification efficiency reaches more than 88%, SO 2Concentration of emission is 148 Mg/ Nm3NO xPurification efficiency reaches more than 76%.(2) test through being applied on the SZD10-25 forward-moving grate spreader stoker boliler; Lingemann blackness is dropped to below 1 grade by original 4-5 level; Smoke dust discharge concentration is by boiler export original concentration 15000 Mg/ Nm3Drop to 80.1 Mg/ Nm3, efficiency of dust collection reaches 99.2%; SO 2Purification efficiency reaches more than 92%; SO 2Concentration of emission is 49.6 Mg/ Nm3NO xPurification efficiency reaches more than 78%.(3) through being applied in combustion test on the SZD20-13 forward-moving grate spreader stoker boliler; Lingemann blackness is dropped to below 1 grade by original 4-5 level; Smoke dust discharge concentration is by boiler export original concentration 15000 Mg/ Nm3Drop to 67.4 Mg/ Nm3Efficiency of dust collection reaches 99.6%; SO 2Purification efficiency reaches more than 96%, SO 2Concentration of emission is 29.9 Mg/ Nm3NO xPurification efficiency reaches more than 80%.(4) test through being applied on the Industrial Stoves; Lingemann blackness is dropped to below 1 grade by original Pyatyi, and smoke dust discharge concentration reaches 100 Mg/ Nm3Below, efficiency of dust collection reaches more than 98%; SO 2Purification efficiency reaches 90% above NO xPurification efficiency reaches more than 78%.(5) through being applied in evidence on the life tea furnace; Lingemann blackness reaches below 1 grade, and smoke dust discharge concentration reaches 100 Mg/ Nm3Below, efficiency of dust collection reaches more than 98%, SO 2Purification efficiency reaches more than 96%; NO xPurification efficiency reaches more than 80%.
Description of drawings: Fig. 1 is this structural representation; Fig. 2 is the collapsible tube enlarged drawing.(1) flue tube, the circular Venturi tube first class purification of (2) waist drum device; (3) collapsible tube; (4) shallow plate; (5) stainless-steel pipe jet blower; (6) stainless-steel pipe whirlpool spray nozzle; (7) trunnion; (8) anemostat; (9) the acid resistant adhesive mortar multitube swashs the spray tower second cleaner by force; (10) central tube; (11) circular water seal tank; (12) sewage water seal tank; (13) stainless steel feed pipe; (14) acid resistant adhesive mortar multitube; (15) stainless steel water supply endless tube; (16) stainless-steel pipe whirlpool spray nozzle; (17) gas-liquid separation demister; (18) water seal tank; (19) boiler induced-draft fan; (20) window chimney.

Claims (4)

1, the coal-burning boiler and furnace multitube swashs the formula technical apparatus of smoke preventing and dust controlling, desulfurizing and denitrifying by force, and by the circular Venturi tube first class purification of waist drum device, the acid resistant adhesive mortar multitube swashs the spray tower second cleaner by force, the gas-liquid separation demister, and boiler induced-draft fan constitutes package unit; It is characterized in that the circular Venturi tube first class purification device (2) of waist drum, in collapsible tube (3), set up several stainless-steel pipe jet blower (5) stainless-steel pipe whirlpool spray nozzles (6) of shallow plate (4), central tube (10), circular water seal tank (11) is realized first class purification; Swash spray tower second cleaner (9) by force through the acid resistant adhesive mortar multitube again, in establish several acid resistant adhesive mortar multitubes (14) and stainless-steel pipe spray nozzle (16) is housed swashs flue gas by force and realize the meticulous purification of secondary, flue dust and harmful substance enter sewage water seal tank (12), have reached the secondary purification effect; The clean flue gas that purifies is through gas-liquid separation demister (17), water seal tank (18), remove the drop in the flue gas after, the clean flue gas that will reach environmental emission standard enters atmosphere by boiler induced-draft fan.
2, swash the formula technical apparatus of smoke preventing and dust controlling, desulfurizing and denitrifying by force according to right 1 described coal-burning boiler and furnace multitube, it is characterized in that the circular Venturi tube first class purification device (2) of waist drum, in collapsible tube (3), set up several stainless-steel pipe jet blower (5) stainless-steel pipe whirlpool spray nozzles (6) of shallow plate (4), central tube (10), circular water seal tank (11) is realized first class purification.
3, swash the formula technical apparatus of smoke preventing and dust controlling, desulfurizing and denitrifying by force according to right 1 described coal-burning boiler and furnace multitube, it is characterized in that the acid resistant adhesive mortar multitube swashs spray tower second cleaner (9) by force, in establish several acid resistant adhesive mortar multitubes (14) and stainless-steel pipe injector (16) is housed swashs flue gas by force and realize the meticulous purification of secondary, flue dust and harmful substance enter sewage water seal tank (12), have reached the secondary purification effect.
4, swash the formula technical apparatus of smoke preventing and dust controlling, desulfurizing and denitrifying by force according to right 1 described coal-burning boiler and furnace multitube, the clean flue gas that it is characterized in that purifying is through gas-liquid separation demister (17), water seal tank (18), after removing the drop in the flue gas, the clean flue gas that will reach environmental emission standard enters atmosphere by boiler induced-draft fan.
CN 98110263 1998-06-05 1998-06-05 Technical apparatus of smoke preventing and dust controlling, desulfurizing and denitrifying for coal-burning boiler and furnace Expired - Lifetime CN1061430C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 98110263 CN1061430C (en) 1998-06-05 1998-06-05 Technical apparatus of smoke preventing and dust controlling, desulfurizing and denitrifying for coal-burning boiler and furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 98110263 CN1061430C (en) 1998-06-05 1998-06-05 Technical apparatus of smoke preventing and dust controlling, desulfurizing and denitrifying for coal-burning boiler and furnace

Publications (2)

Publication Number Publication Date
CN1201125A true CN1201125A (en) 1998-12-09
CN1061430C CN1061430C (en) 2001-01-31

Family

ID=5220326

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 98110263 Expired - Lifetime CN1061430C (en) 1998-06-05 1998-06-05 Technical apparatus of smoke preventing and dust controlling, desulfurizing and denitrifying for coal-burning boiler and furnace

Country Status (1)

Country Link
CN (1) CN1061430C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103214118A (en) * 2013-04-03 2013-07-24 国家电网公司 Method for treating waste water by utilizing dust-containing smoke gas of coal-fired boiler
CN113464837A (en) * 2021-09-01 2021-10-01 江苏新鹏重型机电制造有限公司 Auxiliary air inlet structure with vortex type pressure stabilizing and flow guiding function for desulfurization and denitrification and method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103214118A (en) * 2013-04-03 2013-07-24 国家电网公司 Method for treating waste water by utilizing dust-containing smoke gas of coal-fired boiler
CN103214118B (en) * 2013-04-03 2015-04-01 国家电网公司 Method for treating waste water by utilizing dust-containing smoke gas of coal-fired boiler
CN113464837A (en) * 2021-09-01 2021-10-01 江苏新鹏重型机电制造有限公司 Auxiliary air inlet structure with vortex type pressure stabilizing and flow guiding function for desulfurization and denitrification and method
CN113464837B (en) * 2021-09-01 2021-11-19 江苏新鹏重型机电制造有限公司 Auxiliary air inlet structure with vortex type pressure stabilizing and flow guiding function for desulfurization and denitrification and method

Also Published As

Publication number Publication date
CN1061430C (en) 2001-01-31

Similar Documents

Publication Publication Date Title
CN100393395C (en) Desulfurization denitration dust collecting integral purifier for coal burning boiler fume gas
CN201701843U (en) Blowing-bath type dust collection desulfurizer
CN106422539A (en) Desulfurization and dust removal combined process and system for biomass power plant
CN201680393U (en) High-efficiency energy-saving chimney
CN102814092A (en) Energy-saving comprehensive desulfurization and denitration dust collector through vortex and particles
CN101157007A (en) Whirling particle synthesis desulfurating dust collector
CN2772607Y (en) Desulfurization and denitrification dust collector of venturi flax stone water film
CN1061430C (en) Technical apparatus of smoke preventing and dust controlling, desulfurizing and denitrifying for coal-burning boiler and furnace
CN2515550Y (en) Active impacted wet dust collector
CN2307192Y (en) Smoke-removing dust-removing desulfurizing denitrification device for coal-fired boiler or kiln
CN201342305Y (en) Powerful atomizing treatment equipment for boiler smoke desulphurization
CN205182496U (en) Boiler flue gas dedusting and desulfurizing system
CN101301572A (en) Dry-wet mixed type dust-removing and desulfurizing integrated device
CN209655333U (en) Environmental protection and energy saving quencher for flue gas of refuse burning processing
CN2708986Y (en) High efficient spiral type spraying dust separation desulfur device
CN2503367Y (en) Granite wet-type five-grade desulfurization dust control device
CN2133353Y (en) Smoke sweetening duster for coal boiler
CN201055749Y (en) Water immersion type flue gas dust wiper
CN2557209Y (en) High-efficient desulfurizing dust remover
CN2758603Y (en) Sierra wet desulfurizing duster
CN200951381Y (en) Spraying and concentric swirling impulse type desulfering and dust-removing apparatus
CN2768878Y (en) Flue gas desulfurizing and dust removing device
CN2249395Y (en) Fume exhaust and dust control device for boiler
CN209885403U (en) Flue gas treatment device for wet-method washing flue gas
CN216137000U (en) Burn burning furnace gas cleaning device

Legal Events

Date Code Title Description
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C06 Publication
PB01 Publication
AR01 Abandonment of patent right to avoid double patenting

According to article 9 of the patent law and article 12 of the detailed rules for the implementation of the patent law: 98110263.8 of the invention patents in this issue as a notice of authorization, and at the same time corresponding to the 98221387.5 utility model patent to be given up, and in the 17 volume of the 5 issue of the new type of communique on the patent right to abandon the announcement.

C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20081226

Address after: Block A, building 1, building 6, building 2703, Xueyuan Road, Beijing, Haidian District

Patentee after: Beijing Sheng Xing environmental protection boiler hi tech Limited by Share Ltd.

Address before: Shandong Province, Feicheng City, new energy saving and environmental protection equipment factory (Feicheng City Tai Ping Road No. 011 Taitung TV)

Patentee before: Liu Zengchun

ASS Succession or assignment of patent right

Owner name: BEIJING SHENGXING ENVIRONMENTAL PROTECTION BOILER

Free format text: FORMER OWNER: LIU ZENGCHUN

Effective date: 20081226

DD01 Delivery of document by public notice

Addressee: Beijing Sheng Xing environmental protection boiler hi tech Limited by Share Ltd.

Document name: Notification to Pay the Fees

DD01 Delivery of document by public notice

Addressee: Beijing Sheng Xing environmental protection boiler hi tech Limited by Share Ltd.

Document name: Notification of Decision on Request for Restoration of Right

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20010131