CN102538490A

CN102538490A - Smoke exhaust backflash energy-saving device and method

Info

Publication number: CN102538490A
Application number: CN2012100191103A
Authority: CN
Inventors: 邹洪军
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-01-20
Filing date: 2012-01-20
Publication date: 2012-07-04
Anticipated expiration: 2032-01-20
Also published as: CN102538490B

Abstract

The invention discloses a smoke tail gas backflash energy-saving device and a method, which belong to the filed of energy-saving devices, wherein a fan is arranged on a main flue outlet of a baking furnace, smoke tail gas in a main flue is lead into a burner by the fan, an outlet of the burner is connected with a first pipeline inlet, a first pipeline outlet is connected with a heat energy recover main pipeline inlet, a heat energy recover main pipeline outlet is connected with a smoke exhaust pipeline inlet, the side wall of the heat energy recover main pipeline is provided with a plurality of interfaces, and the interfaces are connected with a flue high temperature section of the baking furnace. The smoke tail gas backflash energy-saving device can reduce above 30 percent of gas dosage in the baking furnace, and smoke tail gas which is discharged into the atmosphere is superior to the national standard.

Description

Cigarette tail gas strile-back energy saver and method

Technical field

The present invention relates to a kind of energy saver, particularly a kind of cigarette tail gas strile-back energy saver and method.

Background technology

At carbon industry, the damage ratio that the cigarette exhaust emissions causes is more serious at present.Generally speaking, charcoal ink factory's fume emission operation is following: combustion gas is burnt in the quirk wall, and heat is through wall, and insulation material reaches green electrode; Heat up according to certain curve, accomplish carbonization and change, in this course; Pitch in the green compact and other fugitive constituents are overflowed, and through branch flue, inject flue collector; Get into tar electric fishing storage by air-introduced machine then, get into water dust scrubber again, enter atmosphere through chimney.

In existing discharging operation, combustible components such as the coal tar in the cigarette tail gas, glance coal are just collected through the electric fishing storage; After operation a period of time, collection efficiency can reduce, and cleaning electric fishing storage is very difficult; Cause exhaust emission through regular meeting, become a difficult problem bigger in the same industry.

Summary of the invention

One of the object of the invention is to overcome the deficiency of prior art, and a kind of cigarette tail gas energy saver that strile-backs is provided, and up to standard through the strile-back cigarette exhaust emissions handled of this device, this device also can utilize the heat recovery that cigarette tail gas discharges again in the process of strile-bacing simultaneously.

Another object of the present invention is to provide a kind of cigarette tail gas power-economizing method that strile-backs.

A kind of cigarette tail gas energy saver that strile-backs; Concrete technical scheme is following: in roaster flue collector exit blower fan 110 is set; The outlet of said blower fan 110 places the porch of burning device, and the outlet of burning device connects first pipeline inlet, and the outlet of first pipeline connects energy recovery Trunk Line inlet; The outlet of energy recovery Trunk Line links to each other with the smoke discharging pipe inlet, and a plurality of interfaces are set on the sidewall of said energy recovery Trunk Line; Wherein, In said burning device exit air control valve 150 is set; Middle part at said first pipeline is provided with explosion-protection equipment, in the said first pipeline exit first flashboard 180 is set, and sets gradually the thermal detector 190 and second flashboard 200 in said energy recovery Trunk Line exit.

Interface on the said energy recovery Trunk Line sidewall links to each other with the baking furnace flame path high temperature section.

Said burning device is preferably malleation body of heater 100.

The ignition device 140 that pressure tester 120, temperature measuring equipment 130 preferably is set on the said malleation body of heater 100 and cigarette tail gas in the malleation body of heater 100 is ignited.

Said explosion-protection equipment is preferably the explosion stack 160 that is connected with first pipeline.

The reservation device preferably is set on the sidewall of said explosion stack 160, and said reservation device is connected with explosion stack 160.

Said reservation device is preferably provided pipe 170, and on the provided pipe 170 Explosion-proof cap is housed.

The inside of said energy recovery Trunk Line preferably covers high temperature resistant heat insulation material.

The lower end of said smoke discharging pipe preferably is provided with water dust scrubber 210.

Said smoke discharging pipe exit preferably is provided with purifying dust-removing device 220.

A kind of cigarette tail gas power-economizing method that strile-backs; Specific as follows: the cigarette exhaust collection that contains compositions such as flammable coal tar, glance coal that roasting is produced advances to burn in the device; Ignite earlier, begin spontaneous combustion after reaching uniform temperature, by the wind-force of blower fan with natural gas; The generation heat that will burn reaches not clean-burning fugitive constituent and is blown into baking furnace flame path high temperature section realization repeated combustion, and the clean flue gas that thoroughly burns enters in the atmosphere after deduster purifies.

Beneficial effect of the present invention is following:

1, adopts cigarette tail gas of the present invention to strile-back after energy saver strile-backs to the cigarette tail gas in the roaster flue collector, the heat energy that obtains is guided to the baking furnace flame path high temperature section again, thereby make heat energy be able to recycling.Can reduce like this that the natural gas consumption is more than 30% in the roaster, amount of energy saving is considerable.

2, environment protecting is remarkable.Coal tar, glance coal be fully burning after strile-bacing, again with the flue dust, the No that generate _xWith CO2 etc. through moisture film or/and purifying and dedusting; Such processing procedure significantly reduces the poisonous and harmful substance in the cigarette tail gas, and the flue gas that is discharged in the atmosphere is superior to current national standard " atmosphere pollution comprehensive discharge standard " GB16297-1996 secondary standard and " industrial furnace atmosphere pollutants emission standards " GB9078-1996.

3, the cigarette tail gas of the present invention energy saver that strile-backs is installed, transforms convenient, can be used for newly-built roaster or old roaster transformation, easy construction, need not stop production, and does not influence output.

4, the cigarette tail gas of the present invention energy saver that strile-backs is equipped with reliable safety anti-explosive device, can not influence existing operation process and product quality.

Description of drawings

Fig. 1 is the strile-back structural representation of energy saver of cigarette tail gas of the present invention.

Wherein, description of reference numerals is following: 100-malleation body of heater, 110-blower fan, 120-pressure tester, 130-temperature measuring equipment; The 140-ignition device, the 150-air control valve, 160-explosion stack, 170-flow pipe in advance, 180-first flashboard; The 190-thermal detector, 200-second flashboard, 210-water dust scrubber, 220-purifying dust-removing device; The 230-Explosion-proof cap, AB section-first pipeline, BC section-energy recovery Trunk Line, CD section-smoke discharging pipe.

The specific embodiment

Below in conjunction with accompanying drawing the strile-back structure of energy saver of cigarette tail gas of the present invention is elaborated.

As shown in Figure 1, a kind of cigarette tail gas energy saver that strile-backs, specific as follows:

In roaster flue collector exit blower fan 110 is set; The outlet of said blower fan 110 places the porch of malleation body of heater 100; It is AB section inlet that the outlet of malleation body of heater 100 connects first pipeline, and it is BC section inlet that the outlet of first pipeline connects the energy recovery Trunk Line, and the outlet of energy recovery Trunk Line is that CD section inlet links to each other with smoke discharging pipe; A plurality of interfaces are set, on the sidewall of said energy recovery Trunk Line shown in interface 240; Wherein, in said malleation body of heater 100 exits air control valve 150 is set; At the middle part of said first pipeline explosion stack 160 is set, the middle and lower part of this explosion stack 160 is provided with provided pipe 170, and this provided pipe 170 communicates with explosion stack 160, and this explosion stack 160 is connected with first pipeline; In the said first pipeline exit first flashboard 180 is set, sets gradually the thermal detector 190 and second flashboard 200 in said energy recovery Trunk Line exit; Pressure tester 120, temperature measuring equipment 130 and ignition device 140 are set on said malleation body of heater 100; The inside covering high-temperature wire drawing of said energy recovery Trunk Line is cotton, and the interface (like interface 240) on this energy recovery Trunk Line sidewall links to each other with baking furnace flame path high temperature section (not shown); The lower end of said smoke discharging pipe is provided with water dust scrubber 210, and this smoke discharging pipe exit is provided with purifying dust-removing device 220.

Below in conjunction with accompanying drawing the strile-back operating position of each parts of energy saver of cigarette tail gas of the present invention is elaborated.

As shown in Figure 1; Under the effect of blower fan 110, will send into malleation body of heater 100 from the flue gas of roaster flue collector, said malleation body of heater 100 plays the effect of burning device; Utilize ignition device 140 to adopt natural gas that the cigarette tail gas in the malleation stove is ignited then; Temperature measuring equipment 130 through being installed on the malleation body of heater 100 is measured with the temperature and pressure in 120 pairs of malleation bodies of heater of pressure tester 100, and the volatile ingredient spontaneous combustion when reaching uniform temperature in the cigarette tail gas is regulated the air capacity in the malleation body of heater through air control valve 150; Thereby realize the abundant burning of cigarette tail gas; First flashboard 180 cuts out when cigarette tail gas has just taken fire, when cigarette tail gas during near abundant burning first flashboard 180 open, second flashboard 200 inserts and is about to the energy recovery Trunk Line and blocks; The heat and the not clean-burning fugitive constituent that utilize blower fan 110 to burn simultaneously to produce are blown into baking furnace flame path high temperature section repeated combustion; Reach the effect that heat recovery is utilized again, first pipeline is that AB section and energy recovery Trunk Line are that the duty of BC section is a negative pressure in heat recovering process, and the duty of malleation stove is a malleation.When the malleation furnace pressure reaches 3～4kg/cm ³The time; The explosion-proof valve of explosion stack 160 starts its release effect of performance; Preventing that pressure is excessive causes blast, when hypertonia, promptly when depending merely on explosion stack 160 and can not deal with problems; Explosion-proof cap 230 on the preparatory stream pipe 170 that is connected with explosion stack 160 can be opened automatically, plays the effect of automatic decompression.The effect that high temperature resistant heat insulation material such as high temperature wire drawing cotton can play insulation is set in the said energy recovery Trunk Line.

Said smoke discharging pipe porch is provided with thermal detector 190; Be used to measure the temperature of the clean cigarette tail gas of burning; When the clean cigarette exhaust temperature of burning is low; Can second flashboard 200 be extracted out, and, it entered atmosphere from smoke discharging pipe the valve closing of the interface on the energy recovery Trunk Line sidewall.The cigarette tail gas that before discharging, will burn clean earlier is through water dust scrubber 210, thereby removes water-soluble flue dust and combustion products, and then through purifying dust-removing device 220 dedustings in smoke discharging pipe exit, finally enters atmosphere.

Claims

1. cigarette tail gas energy saver that strile-backs; It is characterized in that, in roaster flue collector exit blower fan (110) is set, the outlet of said blower fan (110) places the porch of burning device; The outlet of burning device connects first pipeline inlet; The outlet of first pipeline connects energy recovery Trunk Line inlet, and the outlet of energy recovery Trunk Line links to each other with the smoke discharging pipe inlet, and a plurality of interfaces are set on the sidewall of said energy recovery Trunk Line; Wherein, In said burning device exit air control valve (150) is set; Middle part at said first pipeline is provided with explosion-protection equipment, in the said first pipeline exit first flashboard (180) is set, and sets gradually thermal detector (190) and second flashboard (200) in said energy recovery Trunk Line exit.

2. the cigarette tail gas according to claim 1 energy saver that strile-backs; It is characterized in that; Said burning device is malleation body of heater (100), the ignition device (140) that pressure tester (120), temperature measuring equipment (130) is set on the said malleation body of heater (100) and the interior cigarette tail gas of malleation body of heater (100) is ignited.

3. the cigarette tail gas according to claim 1 energy saver that strile-backs is characterized in that, the explosion stack (160) of said explosion-protection equipment for being connected with first pipeline.

4. the cigarette tail gas according to claim 3 energy saver that strile-backs is characterized in that on the sidewall of said explosion stack (160) the reservation device is set, said reservation device is connected with explosion stack (160).

5. the cigarette tail gas according to claim 4 energy saver that strile-backs is characterized in that said reservation device is provided pipe (170), and on the provided pipe (170) Explosion-proof cap is housed.

6. the cigarette tail gas according to claim 1 energy saver that strile-backs is characterized in that, the inside of said energy recovery Trunk Line covers high temperature resistant heat insulation material.

7. the cigarette tail gas according to claim 1 energy saver that strile-backs is characterized in that the interface on the said energy recovery Trunk Line sidewall links to each other with the baking furnace flame path high temperature section.

8. the cigarette tail gas according to claim 1 energy saver that strile-backs is characterized in that the lower end of said smoke discharging pipe is provided with water dust scrubber (210).

9. the cigarette tail gas according to claim 1 energy saver that strile-backs is characterized in that said smoke discharging pipe exit is provided with purifying dust-removing device (220).

10. cigarette tail gas power-economizing method that strile-backs; It is characterized in that; Earlier advance to burn the cigarette exhaust collection in the roaster flue collector in the device; With natural gas said cigarette tail gas is ignited then, relend heat that the wind-force that helps blower fan produces the cigarette exhaust combustion and not clean-burning fugitive constituent and be blown into the baking furnace flame path high temperature section and realize repeated combustion, thoroughly burning is clean after deduster purifies enters in the atmosphere thereby treat cigarette tail gas.