CN209655310U - A kind of flue gas cool-down dust-extraction unit - Google Patents

Abstract

The utility model discloses a kind of flue gas cool-down dust-extraction units, including incinerator and flue gas cleaner；It wherein, further include dual firing chamber and the first underground flue, incinerator is connected to one end of dual firing chamber, and the other end of dual firing chamber is connected to by the first underground flue with flue gas cleaner；Several barrier walls in array distribution are equipped in first underground flue, barrier wall is equipped with via hole；The length of first underground flue at least 10m, the depth of the first underground flue are H, 0.5≤H≤4m；The utility model has the characteristics that cool, dedusting.

Description

A kind of flue gas cool-down dust-extraction unit

Technical field

The utility model relates to a kind of flue gas cool-down dust-extraction units.

Background technique

Since people's lives level is gradually increased, with and come house refuse it is also more and more, rubbish cleaning become One extremely important thing.Rubbish cleaning has sanitary landfills, During High-Temperature Composting and burns three kinds of processing modes, at present mostly Using burning, this processing mode is in the majority.

Waste incineration is formed especially by incinerator and flue gas cleaner, and rubbish burns in incinerator, is generated Flue gas (noxious materials such as including dioxin) is passed through to carrying out fume treatment in flue gas cleaner, and the noxious material in flue gas is complete Full processing.However such of ancient India device that burns haves the shortcomings that one very big, burns the flue-gas temperature of generation at 800 DEG C or so, and Flow of flue gas speed is fast, if directly flue gas is input in flue gas cleaner, flue gas cleaner bears high temperature and is easy to damage, Service life is short, it is also possible to which since flow velocity is too fast, there are no complete processing to be discharged to atmosphere for noxious material in flue gas In, it pollutes.

Summary of the invention

The utility model is mainly solving the technical problems that the cooling for providing a kind of flue gas generated for waste incineration removes The device of dirt.

The utility model solves technical solution used by its technical problem: a kind of flue gas cool-down dust-extraction unit, packet Include incinerator and flue gas cleaner；It wherein, further include dual firing chamber and the first underground flue, one end of incinerator and dual firing chamber The other end of connection, dual firing chamber is connected to by the first underground flue with flue gas cleaner；It is in equipped with several in first underground flue The barrier wall of array distribution, barrier wall are equipped with via hole；The length of first underground flue at least 10m, the depth of the first underground flue Degree is H, 0.5≤H≤4m.

By the setting of dual firing chamber, reinforces the efficiency integrally burned, guarantee that the harmful substance in the flue gas given off is abundant It burns, decompose；Further, by the setting of underground flue, since subsurface temperature is lower than surface temperature, there is certain cooling effect Fruit, underground environment are dark moist, further function as cooling effect by the moisture being had in soil, the effect of barrier wall be for The speed of reducing smoke circulation.The effect of sprayer is to eject misty steam, by steam and the flue gas given off Large particulate matter combines, and large particulate matter is directly drop in underground flue, dust removing effects are played.The length of underground flue is set It sets, guarantees whole cooling, efficiency of dust collection.Furthermore using underground flue, there are also secrecy effects, visit personnel and visit single unit system When, it is difficult to find underground flue, to guarantee the secrecy of technology.

Wherein, block piece is equipped between adjacent barrier wall, block piece stacks shape by the brick of the through-hole with polygon At.

The effect for further enhancing dedusting is played in the setting of block piece, and flue gas is passed through by through-hole, plays dispersion flue gas Effect, in addition number of openings is more, forms the air-flow of multiply dispersion, prevents one air-flow from directly blowing barrier wall and collapse.In flue gas When large particulate matter hits block side walls, it can fall in underground flue, can also play the effect of dedusting.

Wherein, sprayer is equipped in the first underground flue.

Sprayer is mainly used for sprinkling atomizing gas and forms a tide so that there are steam for the air inside underground flue Wet environment, when flue gas passes through the first underground flue, the large particulate matter in flue gas is easily absorbing steam, since gravity falls It falls.Sprayer herein, compare directly by water pipe poured there are two feature, one, water conservation, not will cause water resource Waste；Two, the balance of internal environment, excess moisture are kept, it is easy to so that internal breed disease pest, by spraying, in guarantee One relative humidity in portion, but an environment of ponding generation is not had.

Wherein, the first underground flue bottom end is equipped with waterproof layer, thin filter layer and coarse filtration layer from bottom to top, waterproof layer Lower end is equipped with valve, and valve is connected to external pond.

Sprayer, which is sprayed, to be fallen into conjunction with the large particulate matter in flue gas with misty water to underground flue bottom, and stone is passed through Molecular coarse filtration layer filtering, then further filtered by thin filter layer, water is saved by waterproof layer, in flue gas circulation Cooling effect is equally played in the process, completes in flue gas emission, by opening valve, remaining water is directly discharged to outside In pond, water can be sprayed by external pond by sprayer again, reach the sustainable utilization of water, form water circulation.Flue gas In be mingled with moisture, can be in order to cooperate with the flue gas cleaner of rear end, photocatalyst ion mainly in flue gas cleaner, light Catalyst is a kind of catalyst, does not participate in degradation reaction directly, and water or oxidation are converted into Strong oxdiative activity by absorbing luminous energy by it Group, therefore the moisture generated herein, can be used for the purified treatment of rear end, it is not necessary that oxygen is filled the water or infused by rear end.

It wherein, further include adsorption layer, adsorption layer is between thin filter layer and coarse filtration layer.

Adsorption layer is mainly used for adsorbing the harmful substance inside water, prevents from polluting external pond, and main component is charcoal, Charcoal is powdered herein.

Wherein, the via hole on barrier wall is irregular setting, and all via holes are between any two without being completely coincident.

Via hole is not exclusively overlapped between any two, is further ensured that the dust removing effects of flue gas, that is, the flue gas for discharging generation can not Directly disposably by all barrier walls, flue gas can hit barrier wall and then be passed into next step from via hole, in flue gas For large particulate matter by hitting and can fall in underground flue, barrier wall has the effect of reducing smoke flow velocity and dedusting.

It wherein, further include ground upper flue, earth house building and the second underground flue, the first underground flue passes through ground upper flue It is connected to earth house building, earth house building is connected to by the second underground flue with flue gas cleaner.

By the setting of ground upper flue, the effect of dedusting, cooling is equally played, but relative to underground flue, ground cigarette The effect in road is only its 60%, and additionally upper flue has the effect for playing hidden underground flue, if someone is according to the device of earth's surface It is completely imitated, this dedusting of underground flue, cooling effect is not achieved.

Wherein, the junction of the first underground flue and ground upper flue is equipped with air-introduced machine.

The setting of air-introduced machine reinforces the flowing velocity of flue gas entirety, prevents flue too long, influences flue flowing.

Wherein, the depth of the first underground flue is H, 0.5≤H≤4m.

The restriction of underground flue depth guarantees in use, the volume of flue entirety, while certain depth, rises To the effect further to cool down.

Wherein, it is equipped at least two surge chambers in earth house building, includes arch storehouse and chevron storehouse in surge chamber.

The setting in arch storehouse, so that flue gas forms waveform, the flow velocity of reducing smoke, the setting in chevron storehouse prevents arch The flue gas of storehouse accumulation is excessive, plays buffering effect.

Wherein, the first underground flue, upper flue, earth house building and the second underground flue pass through brick and concrete It is formed.

By brick and concrete match ratio, channel is formed, brick can guarantee whole cooling effect with water storage, meanwhile, brick Block building is convenient.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model embodiment 1；

Fig. 2 is the top view of the utility model embodiment 1；

Fig. 3 is the structural schematic diagram of the first underground flue in the utility model embodiment 1；

Fig. 4 is the structural schematic diagram that earth house is built in the utility model embodiment 1；

Fig. 5 is the structural schematic diagram of flue gas cleaner in the utility model embodiment 1；

Fig. 6 is the cross-sectional view of the first underground flue in the utility model embodiment 1.

Specific embodiment

Embodiment 1:

Referring to shown in attached drawing 1-6, a kind of flue gas cool-down dust-extraction unit, including incinerator 1, dual firing chamber 2, the first underground flue 3, upper flue 4, earth house build the 5, second underground flue 6 and flue gas cleaner 7；Its specific connection type herein is burned The flue gas that furnace 1 generates by dual firing chamber 2, the first underground flue 3, upper flue 4, earth house building 5 and second underground flue 6, It eventually leads in flue gas cleaner 7.It additionally include feeder 8, rubbish passes through feeder 8 and is transported in incinerator 1, Feeder 8 is specially conveyor type, and rubbish is delivered in burning furnace 1 of ancient India from Earth surface plane, this structure is the prior art, therefore herein Do not add to repeat.In addition, can also be cooled down by further dedusting by the flue gas that the second underground flue 6 discharges, it is sent to In flue gas cleaner 7, specifically can once it enter back by equipment such as desulfurization case, cyclone dust removals to flue gas cleaner 7.This Locating specific increased equipment is the prior art, therefore is not described in detail herein.

Buddhist is burnt the flue gas that furnace generates and carries out secondary burning of ancient India, so that by flue gas by dual firing chamber 2 particular by injection oxygen In harmful substance further of ancient India burn is decomposed, guarantee it is of ancient India burn it is abundant.It further, further include cyclone dust collector 9, dual firing chamber 2 produces Side of the raw flue gas from bottom input to cyclone dust removal is inputted from side, since cyclone dust collector 9 is inverted round stage herein Shape, thus input pipeline and cyclone dust collector 9 the tangent input in side, guarantee input flue gas just with cyclone dust collector 9 is tangent, forms cyclone effect, further strengthens the effect of dedusting.The top of cyclone dust collector 9 extends to by appendix One underground flue 3.

Difference between first underground flue 3 and the second underground flue 6 is only that length is different, the first underground flue 3 Length is at least 10m, it is generally preferable to be 15m.The length of second underground flue 6 is 3-7m, herein preferably 5m.Ground upper flue 4 Difference with two underground flues is, ground upper flue 4 is located above earth's surface, and underground flue is located underground, removing between the two Dirt, cooling effect are also different, and the effect of ground upper flue 4 is only its 60%, and additionally upper flue 4 plays hidden underground flue Effect this dedusting of underground flue, cooling effect is not achieved, herein on the ground if someone is completely imitated according to the device of earth's surface Flue 4 is specially 25m long.Internal structure is consistent between three, therefore only elaborates it by taking the first underground flue 3 as an example herein Structure, other two structure do not do repeated description.The depth of first underground flue 3 is H, 0.5≤H≤4m, therefore the first underground cigarette The whole depth H that is preferably dimensioned to be in road 3 is 2m, and width 0.8m, length 15m, width is usually 0.6-1.2m, preferably 0.8m can enter maintenance for maintenance personal.In addition, the first underground flue 3 maintains an equal level with ground level, if top is with solid carbon dioxide Mud plate 39 or steel plate carry out it is top closed, later again with concrete by surface-closed so that maintain an equal level with ground level, table herein The thickness of surface concrete is preferably 10cm, in the case where guaranteeing sealing, if inside is broken down, can be easy to mix on surface Solidifying soil is removed, and cement plate is being repaired with steel plate dismounting.Such setting, so that underground flue and earth's surface other positions shape Unanimously, under normal circumstances, it can not be observed by human eye there are underground flue, play secrecy effect.

First underground flue 3 is built by brick and concrete with the second underground flue 6 and ground upper flue 4, Using the setting of brick, in use, brick also can store certain moisture, can also band when flue gas passes through Walk portion of water.Meanwhile according to weather reason, if rained, brick can also store certain moisture, can play saving and use The effect of water forms the environment of a relative humidity, and brick is high temperature resistant brick herein, guarantees the service life being integrally used for a long time. Herein it should be noted that the length of flue is no longer than 80m, an air-introduced machine is arranged in the general 20m that is spaced, furthermore underground cigarette Air-introduced machine can also be added between road and ground upper flue, accelerates the rate of flow of flue gas, and air-introduced machine can also pass through adjusting herein Power adjusts the rate of flow of flue gas, and the specific structure of air-introduced machine is the prior art, therefore does not add to repeat herein.

It is equipped with several barrier walls 31 in array distribution in first underground flue 3, barrier wall 31 is equipped with via hole 311, and one A barrier wall 31 is equipped with a via hole 311, is not exclusively overlapped two-by-two between all via holes 311, i.e., via hole 311 is not same On one horizontal plane, for irregular setting, using such setting, the multiple blocking of principal security, so that the large particulate matter in flue gas It can be good at being filtered dedusting, the height of via hole 311 is preferably 0.7m herein, wide preferably 0.5m.Herein barrier wall 31 it Between be particularly preferred as 4m, barrier wall 31 is built by brick and concrete with the first underground flue 3.Barrier wall 31 it Between be equipped with block piece 32, block piece 32 is located at two 31 middle positions of barrier wall at this time.Block piece 32 is by logical with polygon The brick in hole stacks to be formed, and can specifically be stacked by hollow brick, be fixed especially by concrete, herein the through-hole shape of hollow brick Shape can be rectangle, or regular hexagon can also be circle.It is herein preferably rectangle, because such shape is conventional Hollow brick, lower production costs.The effect for further enhancing dedusting is played in the setting of block piece 32, and flue gas is passed through by through-hole, The effect of dispersion flue gas is played, in addition number of openings is more, forms the air-flow of multiply dispersion, prevents one air-flow directly by barrier wall 31 blow and collapse.When large particulate matter in flue gas hits brick, the effect of dedusting can be also played.Further, such as in 10m long In the flue of degree, three barrier walls, 31 level-one, two block pieces 32 are preferably provided with, are equidistantly set between barrier wall 31 and barrier wall 31 It sets.

It is equipped with sprayer 33 at the top of the first underground flue 3, sprayer 33 is sprayed with big in misty water and flue gas Particulate matter combines and falls into underground flue bottom the effect for playing depositing dust, and the water of sprayer 33 is especially by external pond herein It supplies water.Sprayer 33 is preferably provided on barrier wall 31 or block piece 32, using such setting, is arranged and fixed conveniently, if occurring Failure prevents from damaging sprayer 33 in the process of disassembly.Sprayer 33 is mainly used for spraying atomizing gas, so that underground flue There are steam for internal air, form a moist environment, when flue gas is by the first underground flue 3, the bulky grain in flue gas Substance is easily absorbing steam, since gravity is fallen.Sprayer herein, compare directly by water pipe poured there are two spy Point, one, water conservation, not will cause the waste of water resource；Two, the balance of internal environment, excess moisture are kept, it is easy to so that Inside breeds disease pest, by sprinkling, guarantees an internal relative humidity, but does not have an environment of ponding generation.

First underground flue, 3 bottom end is equipped with waterproof layer 34, thin filter layer 35, adsorption layer 36 and coarse filtration layer from bottom to top 37, the lower end of waterproof layer 34 is equipped with valve 38, and valve 38 is connected to external pond.Coarse filtration layer 37 is specially stone herein, high Degree is 10cm, and thin filter layer 35 is sand, and height is also 10cm, and adsorption layer 36 is specially charcoal composition, for adsorbing nuisance Matter, height are also 10cm.Waterproof layer 34 is specially waterproof cloth.Valve 38 is to be connected to setting with waterproof layer 34, i.e. opening valve 38 Draining can be realized.Sprayer 33, which is sprayed, to be fallen into conjunction with the large particulate matter in flue gas with misty water to underground flue bottom Portion is filtered by the molecular coarse filtration layer 37 of stone, and adsorption layer 36 adsorbs harmful substance, then passes through the further mistake of thin filter layer 35 Filter, is saved water by waterproof layer 34, is equally played cooling effect during flue gas circulation, is completed, lead in flue gas emission It crosses and opens valve 38, remaining water is directly discharged in external pond, water can be passed through sprayer 33 again by external pond It is sprayed, reaches the sustainable utilization of water, form water circulation.In flue gas slag inclusion moisture, can be in order to net with the flue gas of rear end Change device 7 to cooperate, mainly the photocatalyst ion in flue gas cleaner 7, photocatalyst are a kind of catalyst, and it is anti-not participate in degradation directly It answers, the moisture that it is converted into water or oxidation Strong oxdiative active group, therefore generates herein by absorbing luminous energy can be used for rear end Purified treatment, without by rear end water filling or note oxygen.

The junction of first underground flue 3 and ground upper flue 4 is equipped with air-introduced machine, and it is whole to reinforce flue gas for the setting of air-introduced machine The flowing velocity of body prevents flue too long, influences flue flowing.Air-introduced machine is specially and is spaced 20m to be arranged one herein, prevents gas Body flowing time is too long, and flow velocity not enough causes accumulation.

At least two surge chambers 51 are equipped in earth house building 5, herein preferably two surge chambers 51, include in surge chamber 51 Arch storehouse 52 and chevron storehouse 53, the setting in arch storehouse 52, so that flue gas forms waveform flowing, the flow velocity of reducing smoke, mountain The setting in shape storehouse 53, the flue gas for preventing arch storehouse 52 from accumulating is excessive, plays buffering effect.The structure of surge chamber is similar herein, only It is to be adjusted according to the specific flow direction of flue gas, flue gas is according to arrow instruction direction flowing in attached drawing 5.Earth house is built herein It is equally built using brick with concrete in 5, length is preferably 15m, and width is preferably 5m, in fact it is highly preferred that be 5m.

The purification molecule such as photocatalyst ion is equipped in flue gas cleaner 7 then to lead to for the harmful substance in purifying smoke Cross exhaust pipe, will treated flue gas emission into atmosphere.

By the setting of dual firing chamber 2, reinforces the efficiency integrally burned, guarantee that the flue gas given off sufficiently burns；Further, By the setting of underground flue, since subsurface temperature is lower than surface temperature, there are certain cooling effect, the dark tide of underground environment It is wet, cooling effect is further functioned as by the moisture being had in soil and brick, even if the height temperate zone of flue gas walks moisture, is passed through Sprayer 33 can also guarantee underground flue humidity with rainy weather at any time, and the effect of barrier wall 31 is for reducing smoke circulation Speed.The effect of sprayer 33 is to eject spray water, by conjunction with the large particulate matter in flue gas, playing dedusting effect Fruit.The length of underground flue is arranged, and guarantees whole cooling, efficiency of dust collection.Furthermore using underground flue, there are also secrecy effect, ginsengs When sight personnel visit single unit system, it is difficult to find underground flue, to guarantee the secrecy of technology.

Claims (10)

1. a kind of flue gas cool-down dust-extraction unit, including incinerator and flue gas cleaner；It is characterized by also including dual firing chamber with And first underground flue, incinerator are connected to one end of dual firing chamber, the other end of dual firing chamber passes through the first underground flue and flue gas Clarifier connection；Several barrier walls in array distribution are equipped in first underground flue, barrier wall is equipped with via hole；First underground The length of flue at least 10m, the depth of the first underground flue are H, 0.5≤H≤4m.

2. a kind of flue gas cool-down dust-extraction unit as described in claim 1, it is characterised in that: be equipped with resistance between adjacent barrier wall Block piece, block piece are stacked by the brick of the through-hole with polygon and are formed.

3. a kind of flue gas cool-down dust-extraction unit as described in claim 1, it is characterised in that: be equipped in the first underground flue spraying Device.

4. a kind of flue gas cool-down dust-extraction unit as claimed in claim 3, it is characterised in that: the first underground flue bottom end from lower and It is equipped with waterproof layer, thin filter layer and coarse filtration layer, the lower end of waterproof layer is equipped with valve, and valve is connected to external pond.

5. a kind of flue gas cool-down dust-extraction unit as claimed in claim 4, it is characterised in that: further include adsorption layer, adsorption layer position Between thin filter layer and coarse filtration layer.

6. a kind of flue gas cool-down dust-extraction unit as described in claim 1, it is characterised in that: the via hole on barrier wall is irregular Setting, all via holes are between any two without being completely coincident.

7. a kind of flue gas cool-down dust-extraction unit as described in claim 1, it is characterised in that: further include that ground upper flue, earth house are built It builds and the second underground flue, the first underground flue is connected to by ground upper flue with earth house building, earth house is built by the second Lower flue is connected to flue gas cleaner.

8. a kind of flue gas cool-down dust-extraction unit as claimed in claim 7, it is characterised in that: the first underground flue and ground upper flue Junction be equipped with air-introduced machine.

9. a kind of flue gas cool-down dust-extraction unit as claimed in claim 7, it is characterised in that: be equipped at least two in earth house building Surge chamber, interior surge chamber includes arch storehouse and chevron storehouse.

10. a kind of flue gas cool-down dust-extraction unit as claimed in claim 7, it is characterised in that: the first underground flue, ground cigarette Road, earth house is built and the second underground flue passes through brick and concrete is formed.