CN208804679U - A kind of refuse pyrolysis gasification furnace fire observation device - Google Patents

Abstract

The utility model discloses a kind of refuse pyrolysis gasification furnace fire observation devices.The refuse pyrolysis gasification furnace fire observation device includes circuiting sequentially connected drying unit, fan house, pyrolysis gasification furnace, dual firing chamber and heat exchanger, pyrolysis gasification furnace includes fire observation device, fire observation device is located on the outer wall of pyrolysis gasification furnace, and fire observation device includes flame-observing hole transparent cover, asbestos rubber pad, pyroceram and appearance fire tube.It is equipped with flame-observing hole transparent cover and pyroceram piece at appearance fire orifice end, annular asbestos rubber pad is padded between pyroceram piece and flame-observing hole transparent cover and the faying face of appearance fire tube.The fire observation device of the utility model can observe safely combustion position in kiln, and the fiery effect of sight is good, and the fiery visual angle of sight is big, protection sight flint glass, take into account when solving burning to the impossible operation of the general gasification furnace such as agitation, dredging of material in furnace.

Description

A kind of refuse pyrolysis gasification furnace fire observation device

Technical field

The utility model relates to technical field of waste treatment, in particular to a kind of refuse pyrolysis gasification furnace fire observation device.

Background technique

As process of modernization constantly accelerates, crude waste waste discharge capacity is growing day by day, traditional garbage disposal Method causes serious soil and atmosphere pollution, it is difficult to adapt to sustainable development, rubbish is often used in current many garbage disposals Rubbish pyrolysis gasifying device carries out pyrolysis and carbonization at low temperature gasification to it, makes organic matter using the thermal instability of organic matter in garbage The process that cracking forms various new fuel gas is generated, it is more environmentally-friendly compared to incineration method, realize that sustainable energy utilizes.But mesh The refuse pyrolysis gasification installation of preceding mainstream in the market is primarily present following disadvantage:

Drying structure, it is traditional one is being dried in furnace, one is the drum-type drying equipment of pretreating zone, dried in furnace The shortcomings that be that the refuse gasification time is slow, and after rubbish enters in furnace, as the temperature rises, and a large amount of vapor generates, meeting The combustible gas of refuse pyrolysis generation is diluted, the temperature of dual firing chamber is caused to decline.And drum-type drying equipment because be hot wind into Collet drying is dried rubbish through steel plate, is not contacted directly with rubbish, and drying efficiency is low, and thermal losses is very big, and dries The operating cost of equipment is also big, and landfill leachate also bad processing.

It slags tap structure, every suit incinerator requires to slag tap, and manually slags tap from initial to current rotary fire grate, machine Tool fire grate is slagged tap mode, and risk of manually slagging tap is big, and the feature of environmental protection is poor, and rotary fire grate, which is slagged tap, or stoker fired grate is slagged tap has investment Greatly, corollary equipment is more, the high problem of operating cost.Because the continuous operation of slag-tapping system, there is also do not burn for traditional slag-tapping system The phenomenon that saturating slag comes out, and bulk clinker is but unable to come down lives slag notch by water seal when due to slagging tap and realizes sealing, and clinker falls In puddle, vapor is big in workshop, and stink is big, and sewage, sludge are difficult, be easy to cause secondary pollution.

Fire grate is the main component of pyrolysis gasification furnace, but the fire grate currently used for pyrolysis gasification furnace it is generally existing manufacture at This height, the problem of cannot supplying oxygen to burning, although some increase some improvement in functionality, manufacture is again very complicated.

Feed intake structure, and conventionally employed is open type charging, even if some occasions are in security consideration and also take closing Charging, but still without solving sealing problem, air is had while charging or work and enters pyrolysis gasification furnace, is caused non-negative Work is pressed, has smoke spillage during pyrolytic gasification, affects pyrolytic gasification effect, also have gas explosion sometimes.

Fire observation device, common fire observation device is usually by flame-observing hole transparent cover cap, asbestos rubber pad, pyroceram piece, sight fire The composition such as hole pipe has an other burner glass surface of seeing in order to prevent to cover tar, dust, has installed baffle additional.Disadvantage: (1) dust protection baffle influences observation sight.Dust protection baffle is typically all to be mounted on the center for seeing fire tube, affects observation Sight.(2) without provision for thermal insulation, the generation of safety accident is easily led to.Seeing fire tube is directly protruding into kiln, usually selection metal material Material production, it is thermally conductive fast, entire fire observation device can be made to form high temperature, be easy to cause in the use processes such as observation, replacement glass boiling hot Hurt safety accident.(3) it is narrow to see fiery visual angle.Sight fire tube is straight tube structure, so that seeing, fiery visual angle is narrow, and the range for seeing fire is small.

External air flue, the common typically no independent gas flue of gasification furnace, is all air-introduced machine under the action of air-introduced machine, directly The gasification layer from rubbish is connect, extracts gasification furnace out by each layer of rubbish.Also a small amount of gasification furnace sets built-in air flue, but due to It is influenced to will cause flue gas by in-furnace temperature to burn in gasification furnace, affects gasification result, while built-in air flue also affects The working conditions such as spice of the rubbish in gasification furnace.Shortcoming and defect: (1) flow of flue gas speed is slow.Due to by gasification layer upper layer The influence of rubbish stacking pressure causes flue gas discharge to be obstructed, circulates unsmooth, draw speed is slow.(2) gasification efficiency is low.Due to flue gas stream Lead to unsmooth, flowing velocity is slow, some has just been burned off the combustible gas for causing to gasify out in gasification furnace, causes simultaneously The in-furnace temperature that gasifies is excessively high, causes adverse effect to gasification result.(3) fume treatment effect is influenced, by flow of flue gas speed Slowly, the low influence of gasification efficiency, the flammable tolerance that flue gas enters combustion chamber is inadequate, causes chamber temperature too low, has in flue gas Evil ingredient cannot be destroyed, and influence the effect of fume treatment.

Utility model content

One aspect according to the present utility model provides a kind of refuse pyrolysis gasification furnace fire observation device, including successively follows Ring connected drying unit, fan house, pyrolysis gasification furnace, dual firing chamber and heat exchanger, pyrolysis gasification furnace includes fire observation device, sees fire Device is located on the outer wall of pyrolysis gasification furnace, and fire observation device includes flame-observing hole transparent cover, asbestos rubber pad, pyroceram piece, turns Axis, arc fireguard, appearance fire tube, thermal insulation layer, sees burner and interior wide-angle sight fire tube at rotating handle.It is set at appearance fire orifice end There are flame-observing hole transparent cover and pyroceram piece, is padded between pyroceram piece and flame-observing hole transparent cover and the faying face of appearance fire tube Annular asbestos rubber pad, appearance fire tube and interior wide-angle are seen and are equipped with thermal insulation layer between fire tube, and appearance fire tube is installed by close up jet-burner One piece of arc fireguard, arc fireguard are fixed on the tube wall of appearance fire tube by shaft, and rotating handle is installed in shaft.Its Beneficial effect is that flame-observing hole transparent cover and appearance fire tube use thread connection, securely and reliably, easy disassembly, replacement and cleaning glass, Replacement asbestos rubber pad is also more convenient；Pyroceram piece is installed between flame-observing hole transparent cover and appearance fire tube, and with annular stone Celloidin pad is every lining, and for sealing and protecting pyroceram piece, permeation high temperature resistant sheet glass is observed that furnace chamber inner combustion feelings Condition；Fireguard uses arc Circular plate structure, and radian is slightly less than appearance fire tube internal diameter, and fireguard diameter of a circle is slightly less than appearance fire tube Internal diameter is installed on by the position of close up burner, and specific installation is to be coupled by shaft with appearance fire tube, appearance fire tube outer circle position There are connection holes, shaft is used to control the rotation of fireguard equipped with rotating handle, and fireguard is eccentrically rotated.When needing to see fire, gear fire Plate horizontal opening, close to the inner wall of appearance fire tube, to ensure that viewing area is as big as possible；It sees fire end fireguard and is in vertical configuration State will separate in pyroceram and kiln, effectively prevent flame, dust attack glass, and glass surface area is caused to focus oil, ash Dirt etc.；Appearance fire tube is installed on the outside of kiln, and interior wide-angle is seen fire tube and is installed on the inside of kiln, and appearance fire tube and interior wide-angle see fire tube Between have thermal insulation layer, prevent the high temperature that burning generates in kiln to be transmitted to appearance fire tube, prevent safety accident；If kiln There is flame retardant coating in inside, then interior wide-angle flame-observing hole can be formed directly using fire resisting pouring material, and interior wide-angle angle determines as needed, and one As be set as 120 °；When necessary, because operation needs to open flame-observing hole transparent cover, fireguard, logical stick is put in and sees burner to kiln Material such as stirs, dredges at the operation in furnace.It burns with anti-eyes, see flint glass and be not easy to cover dust, tar etc. and influence sight object It is good to see fiery effect for matter；Fire observation device port is opened and replacement glass, sealing ring are convenient；It solves and blocks line-of-sight problems；Interior wide-angle Design expands the fiery visual angle of sight, increases range of observation；Design on thermal insulation solves safety problem caused by heat transfer；It can need The impossible operation of general gasification furnace such as combustible substance in kiln is stirred, is dredged by seeing burner when wanting.

Detailed description of the invention

Fig. 1 is a kind of overall structure signal of refuse pyrolysis gasification furnace fire observation device of one embodiment of the utility model Figure；

Fig. 2 is a kind of structural schematic diagram of the pyrolysis gasification furnace of refuse pyrolysis gasification furnace fire observation device shown in Fig. 1；

Fig. 3 is a kind of structural schematic diagram of the drying unit of refuse pyrolysis gasification furnace fire observation device shown in FIG. 1；

Fig. 4 is a kind of structural schematic diagram of the deslagging device of refuse pyrolysis gasification furnace fire observation device shown in Fig. 2；

Fig. 5 is a kind of structural schematic diagram of the fire grate device of refuse pyrolysis gasification furnace fire observation device shown in Fig. 2；

Fig. 6 is a kind of another angled arrangement signal of fire grate device of refuse pyrolysis gasification furnace fire observation device shown in fig. 5 Figure；

Fig. 7 is a kind of structural schematic diagram of the sealed feeder unit of refuse pyrolysis gasification furnace fire observation device shown in Fig. 2；

Fig. 8 is a kind of structural schematic diagram of the sealed feeder unit of refuse pyrolysis gasification furnace fire observation device shown in Fig. 2；

Fig. 9 is a kind of cross section structure schematic diagram of the fire observation device of refuse pyrolysis gasification furnace fire observation device shown in Fig. 2；

Figure 10 is a kind of overall structure diagram of the fire observation device of refuse pyrolysis gasification furnace fire observation device shown in Fig. 2；

Figure 11 is a kind of structural schematic diagram of the external airway device of refuse pyrolysis gasification furnace fire observation device shown in Fig. 2；

Figure 12 is that a kind of structure of a side of the fire grate device of refuse pyrolysis gasification furnace fire observation device shown in fig. 5 is shown It is intended to；

Figure 13 is a kind of structure of another side of the fire grate device of refuse pyrolysis gasification furnace fire observation device shown in fig. 5 Schematic diagram；

Figure 14 is the sectional view in the direction Fig. 8 A；

Figure 15 is the sectional view in the direction Fig. 8 B；

Figure 16 is the enlarged drawing of I part Figure 14；

Figure 17 is the enlarged drawing of II part Figure 15；

Figure 18 is the enlarged drawing of III part Figure 15.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawing.

Fig. 1~Figure 18 schematically shows a kind of a kind of refuse pyrolysis gasification of embodiment according to the present utility model Furnace fire observation device.As shown, the refuse pyrolysis gasification furnace fire observation device includes circuiting sequentially connected drying unit 1, blower Room 2, pyrolysis gasification furnace 3, dual firing chamber 4 and heat exchanger 5, pyrolysis gasification furnace 3 include burner hearth 31, sealed feeder unit 32, fire grate dress 35, fire observation device 34, deslagging device 36 and external airway device 33 are set, burner hearth 31 is located at the inside of the pyrolysis gasification furnace 3, close Envelope feeding device 32 is located at the top of pyrolysis gasification furnace 3, and fire grate device 35 is horizontally placed on the middle part of burner hearth 31, fire observation device 34 are located on the outer wall of pyrolysis gasification furnace 3, and deslagging device 36 is located at the bottom of pyrolysis gasification furnace 3, and heat exchanger 5 is equipped with cold air Import 51, exhanst gas outlet 53 and hot air outlet 52, dual firing chamber 4 are connected with heat exchanger 5, the hot air outlet 52 with it is described Drying unit 1 is connected.

Rubbish is carried out drying pretreatment, dries generation by above-mentioned refuse pyrolysis gasification furnace fire observation device, drying unit 1 Foul smell etc. is extracted into pyrolysis gasification furnace 3 by fan house 2, and the rubbish of drying is transferred in pyrolysis gasification furnace 3 and is pyrolyzed, pyrolysis Flue gas of generation etc. is all pumped down to progress full combustion generation heat in dual firing chamber 4 and is changed into heat exchanger 5 with cold air Heat, the hot-air after heat exchange are entered in drying unit 1 and then dry Other Waste, recycled with this, and rubbish heat is taken full advantage of The gas and energy generated during solution gasification, significantly reduces environmental pollution, more environmentally-friendly, and sustainable use resource, symbol Close the environmental protection concept of sustainable development.

Drying unit 1 includes drying material pond 11, air compartment 12, discharge pipe 14 and blast pipe 13, the air compartment 12 be it is multiple, it is more A air compartment 12 is located at the outer pars intramuralis of the drying material pond 11, and blast pipe 13 is connected with the hot air outlet 52 of heat exchanger 5, Hot wind enters in air compartment 12 from the blast pipe 13, then enters in the drying material pond 11 from discharge pipe 14.Drying dress Setting 1 further includes driving grab bucket, and driving grab bucket includes grab bucket portion 15 and track 16, and grab bucket portion 15 can be moved along track 16, rail Road 16 is located at the top of drying unit 1, fan house 2 and pyrolysis gasification furnace 3.Air compartment 12 includes being located at drying 11 side wall of material pond and bottom At portion two.Water positioned at the rubbish exudation of drying material pond 11 drops onto the air compartment 12 of bottom from bottom discharge pipe 14, seeps Water out is oven-dried in turn.Blast pipe 13 is connected to the air compartment 12 for being located at bottom, and blast pipe is located at the height of the end in air compartment 12 Degree is higher than the bottom surface of bottom plenum 12.1 region of drying unit is the pretreatment workshop of sealing, can be at the top of pretreatment workshop The opening for driving grab bucket disengaging is opened up, air-inlet window 10 is equipped with close to 2 side of fan house at it, hollow out mistake is housed on air-inlet window 10 Strainer 101, interface channel is closed structure between fan house 2 and pyrolysis gasification furnace 3.Driving grab bucket is fixed under operator control When stir rubbish in pond, reach better drying effect；And the rubbish of drying can be transferred into sealing charging dress by grab bucket It sets in 32.Primary air fan in fan house 2 after secondary air fan starts, continuously pulls the foul smell of pretreatment workshop, shape At tiny structure, foul smell will not be excessive.Outside has vehicle to send garbage feeding, opens pretreated electrically operated gate, after car charging then It shuts, garbage truck starts to unload rubbish to drying pool, after unsnatching, opens gate, and garbage truck exits, and gate is shut automatically, because It is negative pressure state, the opening and closing gate of short time does not have foul smell evolution, while supplementing fresh air for workshop, ensure that plant area's ring Border free from extraneous odour.Drying structure can allow rubbish directly to contact with hot wind, save drying time, the case where not increasing energy consumption Under, drying efficiency is obviously improved, and has saved the energy, and percolate has also obtained effective evaporation, ensure that rubbish Pyrolysis gasification furnace 3 stablizes gasification, accelerates the firing rate of rubbish, improves the production capacity of garbage disposal.

Deslagging device 36 includes that residue outlet 361, hydraulic cylinder 362, push-rod piston 363, broken slag device 364 and movable type are close Seal slag case 365, the lower section of fire grate device 35 is equipped with slag bucket 312, be equipped with slag mouth 3615 below slag bucket 312, slag mouth 3615 with Residue outlet 361 is connected, and hydraulic cylinder 362 is connected with push-rod piston 363, and air inlet is equipped with above one end of residue outlet 361 3611, broken slag device 364 is located at the top of the other end of residue outlet 361, and the side of broken slag device 364 is provided with air outlet 3612, out Air port 3612 is connected with slag bucket 312, and the other end of residue outlet 361 is equipped with slag notch 3613, and slag notch 3613 is equipped with backplate 3614, the length of the setting corresponding with mobile sealing slag case 365 of slag notch 3613, push-rod piston 363 is greater than slag mouth 3615 Length.Residue outlet 361 is round or rectangular or polygon, is fixed on the bottom of 31 rectangle slag bucket of burner hearth, position of opening with Rectangle slag mouth 3615 coincide, and makees rigid sealed connection, and movable push bar piston 363 is slightly larger than the length of rectangle slag mouth 3615 Degree, closely agrees with, width is fully met, when the push-rod piston 363 because the push-rod piston 363 and residue outlet 361 belong to Extreme position is opened, just seals rectangle slag notch 3613 completely, forms sealing.After the promotion of push-rod piston 363 is slagged tap, clinker Mobile sealing slag case 365 is fallen into, push-rod piston 363 to undischarged clinker extra between slag notch is stored in residue outlet 361, As sealing, prevent outside air from entering in burner hearth.And the tube head position in 361 hydraulic cylinder of residue outlet, 362 direction is equipped with sealing Air inlet 3611, connect with the primary air fan in fan house 2, continually blow into residue outlet 361, First air by go out Slag pipe 361 is blown into an open piston, then is sent into burner hearth 31 (air outlet can also install baffle additional) by air outlet 3612, and And it is constantly in blowing state, it not will form blocking, guarantee the air quantity supply of burner hearth 31, while in turn ensuring this deslagging device 36 Cooling refuse gasification during, the big inorganic matter of weight first falls into bottom, and it is dirt, brick that result in bottom, which be major part, The inorganic matters such as head, stone, so bottom temp is very low relative to 31 temperature of burner hearth, generally at 80 DEG C or so, while cold wind passes through The heat exchange action of residue outlet 361, the wind for being sent into burner hearth 31 become hot wind, play the role of air preheater, ensure that Temperature reduces energy consumption and not only solves that traditional slag-tapping system is numerous and jumbled, and ancillary equipment is more, and energy consumption is big, and O&M cost is high The problem of problem also solves stifled slag, prevents secondary pollution realizes simplicity reliably, and O&M cost is low, slags tap quantitative, smooth, It burns thoroughly, the low effect of burn decrement rate.

Fire grate device 35 includes fire grate 351, fire grate axis 352, driving unit 353 and cooling unit, and fire grate 351 is multiple flat Row setting, cooling unit include that cooling water inlet pipe 354 and cooling water outlet pipe 355, fire grate 351 are located on fire grate axis 352, and driving is single Member 353 is connected with fire grate axis 352, and fire grate 351 is equipped with multiple air ventilation holes 3511.Fire grate 351 is installed on pyrolytic gasification Bearing 3531 is installed at 3 burning position bottom of furnace, two ends, the rotation support overturn as fire grate 351.Fire grate axis 352 is using hollow Structure, water receiving pipe in parallel therebetween cool down fire grate 351 by cooling water, to protect fire grate 351, fire grate axle bearing 3531 It can work normally at high temperature.351 ontology working face of fire grate designs multiple air ventilation holes 3511, is used for air air feed.Fire grate Driving device is installed at 352 end of axis, drives 351 rotary work of fire grate.Driving unit 353 includes bearing 3531, gear 3532, tooth Item 3533, oil cylinder 3534 and cylinder bracket 3535, the oil cylinder 3534 are located on cylinder bracket 3535, and the oil cylinder 3534 drives Carry-over bar 3533 drives the rotation of the gear 3532, and the gear 3532 drives the rotation of the bearing 3531, the bearing 3531 drive the overturning of the fire grate axis 352, and fire grate axis 352 drives fire grate 351 to rotate, and adjacent 351 direction of rotation of fire grate is opposite. Two adjacent 351 reverse turns of fire grate are conducive to attrition crushing clinker and facilitate discharge.Fire grate 351 is installed on pyrolytic gasification 3 burning position bottom of furnace, fire grate 351 use when being failure to actuate as fire grate.Design has air ventilation holes 3511, gas on fire grate 351 Change furnace First air by blower air feed to 351 lower section of fire grate, carries out air feed by 3511 pairs of burnings of air ventilation holes, burning is provided Required oxygen, volume of air supply are adjusted by the blower in control fan house 2.When needing to slag tap, furnace is driven by driving device 351 rotation of row, lime-ash is fallen.

Sealed feeder unit 32 includes hopper 321, brake application board group 322, feed bin 323, lower flashboard group 324, driving portion 325 With sealing 326, hopper 321 is located at the top of brake application board group 322, and feed bin 323 is located at the lower section of hopper 321, brake application board group 322 and lower flashboard group 324 be located at the upper and lower of feed bin 323, brake application board group 322 and lower flashboard group 324 are equipped with sealing 326.Brake application board group 322 and lower flashboard group 324 include flashboard 3221 and flashboard frame 3222, flashboard 3221 and flashboard frame 3222 Between be equipped with sealing 326, sealing 326 includes side seal 3261, preceding sealing 3262 and external seal 3263, flashboard frame 3222 It is equipped with guide rail 32223, flashboard bracket 32222 and sealing clamp 32221, flashboard bracket 32222 is located at the week of flashboard frame 3222 Side, sealing clamp 32221 are connect with sealing 326, and preceding sealing 3262 and external seal 3263 are fixing seal, and side seal 3261 is It is slidingly sealed, side seal 3261 can be slided on guide rail 32223 simultaneously with flashboard 3221.Hopper 321 is installed on brake application board group 322 top expands feed inlet, in order to concentrate charging, guarantees that material is not scattered outward；In normal work, brake application board group 322 It must not be opened simultaneously with lower flashboard group 324, to ensure that gasification furnace is constantly in closed working environment；Ensure lower flashboard before charging Group 324 is in close state, and otherwise, upper flashboard 3221 can not be opened, and when guaranteeing charging, work negative pressure is unaffected in furnace, Smokeless gas leakage.After confirmation, the flashboard 3221 of brake application board group 322 is opened by drive cylinder, material is entered by hopper 321 Feed bin 323 is fallen on lower flashboard 3221.Inlet amount is controlled by control grab bucket volume or other charging equipments, with ensure into The volume of material must not exceed 323 volume of feed bin；After feeding, upper flashboard 3221 is closed, again by lower flashboard after closing in place 3221 open, and the upper and lower movement of flashboard 3221, from lock control, is had one group of flashboard 3221 to be in forever with guarantee and closed using position State；After upper flashboard 3221 is closed, lower flashboard 3221 is opened, material is fallen into gasification furnace, then lower flashboard 3221 is closed.It is close The brake application board group 322 and lower flashboard group 324 for sealing feeding device 32 design, and facilitate operation control；When charging, 322 He of brake application board group Lower flashboard group 324 is alternately opened, is closed, and keeps being in close state not less than one group of flashboard 3221, to ensure that burner hearth 31 is in The working environment of sealing；Upper lower flashboard 3221 has sealing 326, to ensure that no air enters gasification furnace, gasification furnace smokeless It is leaked from flashboard 3221；From lock control, securely and reliably；321 wide-angle of hopper expands feed inlet, and charging equipment is adaptable, feeding When without material spilling.

Fire observation device 34 includes flame-observing hole transparent cover 341, asbestos rubber pad 342, pyroceram piece 343, shaft 346, rotation It changes hands handle 345, arc fireguard 344, appearance fire tube 347, thermal insulation layer 348, see burner 349 and interior wide-angle sight fire tube 3410, 347 mouthfuls of ends of appearance fire tube are equipped with flame-observing hole transparent cover 341 and pyroceram piece 343, and pyroceram piece 343 and flame-observing hole are saturating Annular asbestos rubber pad 342 is padded between lid 341 and the faying face of appearance fire tube 347, appearance fire tube 347 and interior wide-angle see fire Thermal insulation layer 348 is equipped between pipe 3410, appearance fire tube 347 installs one piece of arc fireguard 344, arc at close up burner 349 Shape fireguard 344 is fixed on the tube wall of appearance fire tube 347 by shaft 346, and rotating handle 345 is installed in shaft 346.It sees Fire hole transparent cover 341 and appearance fire tube 347 use thread connection, securely and reliably, easy disassembly, replacement and cleaning glass, replacement stone Cotton rubber pad 342 is also more convenient；Pyroceram piece 343 is installed between flame-observing hole transparent cover 341 and appearance fire tube 347, is used in combination Annular asbestos rubber mat is every lining, and for sealing and protecting pyroceram piece 343, permeation high temperature resistant sheet glass 343 is observed that Combustion case in burner hearth 31；Fireguard 344 uses arc Circular plate structure, and radian is slightly less than 347 outer diameter of appearance fire tube, fireguard 344 diameter of a circles are slightly less than 347 internal diameter of appearance fire tube, are installed on by the position of close up burner 349, and specific installation is to pass through shaft 346 couple with appearance fire tube 347, and there are connection holes in 347 outer circle position of appearance fire tube, and shaft 346 is equipped with rotating handle 345 for controlling The rotation of fireguard 344 processed, fireguard 344 are eccentrically rotated.When needing to see fire, 344 horizontal opening of fireguard, close to appearance fire tube 347 inner wall, to ensure that viewing area is as big as possible；See fire and terminate fireguard 344 and be in plumbness, by pyroceram and It is separated in kiln, effectively prevent flame, dust attack glass, glass surface area is caused to focus oil, dust etc.；Appearance fire tube 347 It is installed on the outside of kiln, interior wide-angle is seen fire tube 3410 and is installed on the inside of kiln, and appearance fire tube 347 and interior wide-angle see fire tube 3410 Between have thermal insulation layer 348, prevent the high temperature that burning generates in kiln to be transmitted to appearance fire tube 347, prevent safety accident；Such as There is flame retardant coating on the inside of fruit kiln, then interior wide-angle flame-observing hole can be formed directly using fire resisting pouring material, and interior wide-angle angle is as needed It determines, is generally set to 120 °；When necessary, because operation needs to open flame-observing hole transparent cover 341, fireguard 344, logical stick is stretched The generally impossible operation of gasification furnace such as material in kiln is stirred, dredge into burner 349 is seen.It burns, see with anti-eyes Flint glass is not easy to cover the influence sight substance such as dust, tar, and it is good to see fiery effect；34 port of fire observation device is opened and replacement glass Glass, sealing ring are convenient；It solves and blocks line-of-sight problems；Interior wide-angle design expands the fiery visual angle of sight, increases range of observation；Every Thermal design solves safety problem caused by heat transfer；Combustible substance in kiln can be carried out when required by burner 349 is seen The operation such as stir, dredge.

External airway device 33 includes external air flue 331, outer heat insulation layer 336 and exhaust gases passes 332, and external air flue 331 is Enclosed construction, external air flue 331 are equipped with tracheal entrance 333 and air passage outlet 334, and tracheal entrance 333 is located at air passage outlet 334 Lower section.Outer heat insulation layer 336 is located on the outer wall of pyrolysis gasification furnace 3.External 33 tracheal entrance 333 of airway device is arranged in rubbish Dead band above the drying layer of rubbish is arranged in refuse furnace in processing gasification interval, air passage outlet 334, and gasification layer major part flue gas exists Enter external air flue 331 below external air flue 331 under air-introduced machine effect, is imported from air passage outlet 334 above external air flue 331 To above drying garbage layer, the flue gas of flue gas and drying layer that companion gasification layer minority escapes up together, is acted in air-introduced machine Under from gasification furnace exhanst gas outlet 335 enter combustion furnace.Outer heat insulation layer 336 has heat preservation, heat insulation structural, using castable refractory or water It is jacket structured, to reduce heat radiation.

After the utility model uses the drying unit 1, more pervious roller dryer is compared, rubbish is dried in the unit time The quantity of rubbish improves 20 times, and drying efficiency has obtained larger promotion, and the moisture content of rubbish is fallen below from entered furnace originally 45% 30%, and percolate has obtained effective evaporation, is not required to add device for treating leachate again, the peculiar smell in entire workshop is controlled System and processing, ensure that the improvement of the internal environment of entire refuse disposal plant area, eliminate roller dryer high-power driving The operation of motor is consumed energy.

In addition, to solve refuse gasification boiler, incinerator tapping mechanism complicated for deslagging device 36, cost of investment is big, operation at The problem of this height and stifled slag and incineration plants secondary pollution, while an air feed has also been taken into account, described device is strong to be pushed away The effect of power and broken slag device 364 efficiently solves the problems, such as stifled slag, and reciprocating motion in 3 seconds, and complete slag resets rapidly out, out Cinder notch 3613 has part clinker to fill up, and forms slag seal structure, and there are also movable 3613 backplates 3614 of slag notch to protect, and will not leak Wind does not influence the stabilization of burner hearth 31.

Fire grate device 35,351 structure of fire grate is simple, and design is reasonable.It takes into account fire grate 351 and fire grate uses, it is practical.Furnace It arranges 351 working faces and send oxygen hole, have the function of burning oxygen supply.351 2 end of fire grate is equipped with gear (3532), has and rotates out of Slag function.Fire grate axis 352 is hollow shaft, and two sections of connection cooling water pipes can be with water flowing circulating cooling.Fire grate 351 uses hydraulic drive Dynamic, two groups of 351 relative rotation of fire grate, multiple rotations of fire grate 351 share a driving.

It seals into charging device stable feature reliable for operation, feeds existing sealing to solve existing pyrolysis gasification furnace 3 Problem.

Fire observation device 34 can observe combustion position in kiln, and observation visual angle is big, and effect is good, while can be in normal combustion The operation that general gasification furnace cannot be completed such as disturbed, dredged under state to material in furnace.

External air flue 331 is designed using external, solves the problems such as flow of flue gas is unsmooth, gasification efficiency is low, while To guarantee that later period fume treatment effect provides the guarantee of gasifying section early period.Pyrolysis gasification furnace 3 is set to solve flow of flue gas not Freely, the problems such as gasification efficiency is low, while also the guarantee of gasifying section early period is provided for guarantee later period fume treatment effect.Simultaneously Have many advantages, such as to manufacture convenience, low manufacture cost.

More than, there is drying unit, deslagging device, fire grate dress in the refuse pyrolysis gasification furnace fire observation device of the utility model It sets, seal into charging device, fire observation device and external airway device；Wherein, drying structure can allow rubbish directly to connect with hot wind Touching, saves drying time, and without increasing energy consumption, drying efficiency is obviously improved, and has saved the energy, and And percolate has also obtained effective evaporation, ensure that refuse pyrolysis gasification furnace stablizes gasification, accelerates the firing rate of rubbish, Improve the production capacity of garbage disposal；

Deslagging device not only solves that traditional slag-tapping system is numerous and jumbled, and ancillary equipment is more, and energy consumption is big, and O&M cost is high to ask The problem of inscribing, but also having taken into account primary air-supply, solved stifled slag by break, prevent secondary pollution, easy to operate reliable, fortune It ties up at low cost, slags tap quantitative, smooth, burn thoroughly, the low effect of burn decrement rate；

Fire grate device, take into account solve the problems, such as to slag tap, oxygen supply, have structure it is simple, it is easy to make, it is reliable for operation stable Feature.

Sealed feeder unit has structure simple, easy to make, stable feature reliable for operation, to solve existing pyrolysis Gasification furnace feeds existing sealing problem, and No leakage is more environmentally friendly.

Fire observation device can observe safely combustion position in kiln, and the fiery effect of sight is good, and the fiery visual angle of sight is big, the fiery glass of protection sight Glass is taken into account when solving burning to the impossible operation of the general gasification furnace such as agitation, dredging of material in furnace.

External air flue is designed using external, solve flow of flue gas it is unsmooth caused by combustible gas is burned, gasification efficiency The problems such as low, while also the guarantee of gasifying section early period is provided for guarantee later period fume treatment effect.

It should be noted that above-mentioned hydraulic cylinder or oil cylinder can also change and make cylinder or other power drives should belong to guarantor Protect range, other power drives such as turbine worm reducer.

Above-described is only some embodiments of the utility model.For those of ordinary skill in the art, Without departing from the concept of the present invention, various modifications and improvements can be made, these belong to practical Novel protection scope.

Claims (4)

1. a kind of refuse pyrolysis gasification furnace fire observation device, which is characterized in that including circuiting sequentially connected drying unit (1), wind Machine room (2), pyrolysis gasification furnace (3), dual firing chamber (4) and heat exchanger (5), the fire observation device (34) are located at the pyrolysis gasification furnace (3) on outer wall, the fire observation device (34) includes flame-observing hole transparent cover (341), asbestos rubber pad (342), pyroceram piece (343) and appearance fire tube (347) flame-observing hole transparent cover (341) and pyroceram piece, are equipped at appearance fire tube (347) mouth end (343), annular stone is padded between pyroceram piece (343) and flame-observing hole transparent cover (341) and the faying face of appearance fire tube (347) Cotton rubber pad (342).

2. refuse pyrolysis gasification furnace fire observation device according to claim 1, which is characterized in that further include thermal insulation layer (348) Fire tube (3410) are seen with interior wide-angle, the appearance fire tube (347) and interior wide-angle are seen and be equipped with thermal insulation layer between fire tube (3410) (348)。

3. refuse pyrolysis gasification furnace fire observation device according to claim 1, which is characterized in that further include arc fireguard (344), shaft (346) and sight burner (349), the appearance fire tube (347) one piece of arc gear of installation at close up burner (349) Fiery plate (344), arc fireguard (344) are fixed on the tube wall of appearance fire tube (347) by shaft (346).

4. refuse pyrolysis gasification furnace fire observation device according to claim 3, which is characterized in that pacify on the shaft (346) It fills rotating handle (345).