CN206682953U - A kind of waste incinerator furnace wall cooling air system - Google Patents

Abstract

The problem of the utility model discloses a kind of waste incinerator furnace wall cooling air system, belongs to waste incinerator technical field, and existing incinerator furnace wall radiating causes thermal waste.The utility model includes furnace wall body and metallic plate, and thermal insulation layer, in addition to blower fan are formed between described furnace wall body and metallic plate；The air intake of described blower fan is provided with aspiration channel, and outlet air end is provided with air intake main pipe；Connected after described air intake main pipe branch with one end of described thermal insulation layer；The other end of described thermal insulation layer then connects with the total main pipe of air-out.The utility model can the effective heat energy of recovery furnace within the walls, realize the effect that warm-up cycle utilizes, so as to save the energy, reduce production cost.

Description

A kind of waste incinerator furnace wall cooling air system

Technical field

The utility model belongs to waste incinerator technical field, specifically, is related to a kind of waste incinerator furnace wall cooling Wind system.

Background technology

Incinerator is commonly used for a kind of innocent treatment equipment in terms of medical and life waste product, animal harmless treatment. Its principle is using the burning of the fuel such as coal, fuel oil, combustion gas, object to be processed progress high temperature is destroyed by fire carbonization, to reach The purpose of sterilization.Waste incinerator is the equipment of burning domestic garbage, and house refuse is changed into waste gas into two in stove chamber inner combustion Secondary combustion chamber, burnt under the forced burning of burner complete, enter back into spray type dust separator, be discharged into greatly through chimney after dedusting Gas.Waste incinerator is by rubbish preprocessing system, CIU, smog biochemistry dust pelletizing system and gas generator (auxiliary firing Burn) four big system compositions, integrate self-feeding, sub-sieve, drying, burning, deashing, dedusting, Automated condtrol.It is applicable Scope：House refuse, medical waste, general industry rubbish, general industry rubbish use high-temp combustion, secondary oxygenation, unloaded automatically The new and high technology measure of slag, reach the monitoring requirement of blowdown.

The furnace wall of waste incinerator is using refractory brick and the metallic plate of appearance composition；Due to burner hearth high temperature, furnace wall accumulated heat is huge Greatly, a part of heat is passed to air, gap of a part of heat along furnace wall between refractory brick and metallic plate from appearance metallic plate Conduction causes other outer regions of burner hearth, and burner hearth heat, which scatters and disappears, causes thermal waste.

Chinese Patent Application No.：201010295345.6 the patent document in publication date on January 12nd, 2011, discloses one Kind of waste incinerator, including burner hearth, the secondary blast mouth and fire grate afterbody that are arranged on the burner hearth, secondary sent described The top in air port is provided with the inside smoke recirculating system blown three times.The technical scheme provided using the invention can be effective Solve waste incinerator of the prior art and can not effectively control the temperature of burner hearth, can not suppress or prevent burner hearth coking, cause Heating surface is damaged, cause boiler can not normal work, boiler output is low, can not effectively reduce the discharge of poisonous waste such as NOx, The technical problems such as service efficiency is low, service life is short, meanwhile, the waste incinerator with not using inside smoke recirculating technique Compare, can effectively control fire box temperature horizontal using inside smoke recirculating technique, suppress or prevent burner hearth coking with protect by Hot face, improve boiler output and reduce the discharge of poisonous waste such as NOx.

Chinese Patent Application No. 201610588531.6, the patent application document in publication date on December 7th, 2016, is disclosed A kind of waste incinerator garbage inlet furnace wall mounting structure, garbage inlet furnace wall is including on metal furnace wall, metal furnace wall inwall Fire brick layer, the refractory casting layer for being arranged at fire brick layer surface and to be arranged at refractory casting layer surface thickness be the anti-of 50mm Corrode resistance to porcelain plate, metal furnace wall is double-layer plate structure, and reinforcement I-steel, metal furnace wall, refractory brick are provided between double-layer plate Furnace wall bitch is provided between layer and refractory casting layer.Long-term use of furnace wall does not ftracture, and anticorrosive resistance to porcelain plate can also absorb stove Interior temperature, play garbage drying effect.

From the point of view of the technology of for example above-mentioned patent application publication of prior art, though the structure of existing incinerator furnace wall is with higher Insulating power, but still can not avoid heat due to multipath scatter and disappear caused by waste.

The content of the invention

1st, to solve the problems, such as

The problem of causing thermal waste for the radiating of existing incinerator furnace wall, the utility model provides a kind of waste incinerator Furnace wall cooling air system, can the effective heat energy of recovery furnace within the walls, the effect that warm-up cycle utilizes is realized, so as to save energy Source, reduce production cost.

2nd, technical scheme

To solve the above problems, the utility model adopts the following technical scheme that.

A kind of waste incinerator furnace wall cooling air system, including furnace wall body and metallic plate, described furnace wall body and metallic plate Between form thermal insulation layer, in addition to blower fan；The air intake of described blower fan is provided with aspiration channel, and outlet air end is provided with air intake mother Pipe；Connected after described air intake main pipe branch with one end of described thermal insulation layer；The other end of described thermal insulation layer then with air-out Total main pipe connection.

Preferably, described air intake main pipe branch includes air intake pipe；Set on the sub- pipe of described air intake some short tubes with Described thermal insulation layer connection.

Preferably, in addition to air-out is managed；Some short tubes are provided with the sub- pipe of described air-out with described thermal insulation layer to connect It is logical.

Preferably, it is provided with inlet air door on described short tube.

Preferably, in addition to air-out branch pipe；The described wind pipe of described air-out branch pipe connection and described air-out are always female Pipe.

Preferably, it is provided with air-out air door between described air-out branch pipe and the sub- pipe of described air-out.

Preferably, the total main pipe connection incinerator primary air blast pipe of described air-out.

Preferably, described aspiration channel connects with upper atmosphere.

3rd, beneficial effect

Compared to prior art, the beneficial effects of the utility model are：

(1) the utility model in one end of thermal insulation layer by setting air intake main pipe, and the other end sets the total main pipe of air-out, by wind Machine air blast, realize that gas flows in thermal insulation layer, constantly high-temperature gas is taken away and reclaims and recycles, on the one hand reduces furnace wall The waste of middle heat energy, temperature of furnace wall on the one hand can be reduced, extend the service life of refractory brick, improve the security of furnace binding Energy；

(2) the utility model further sets air intake pipe, and sets some short tubes heat-insulated to connect on the sub- pipe of air intake Layer, thermal insulation layer wind area can be increased, improve waste heat migration and cooling effectiveness；

(3) the utility model further sets the sub- pipe of air-out to play and set the sub- pipe identical effect of air intake；

(4) inlet air door is set accurately to control intake on the short tube of the sub- pipe of the utility model air intake, so as to basis Temperature of furnace wall timely adjustment intake；

(5) setting of the utility model air-out air door is identical with setting the effect of inlet air door；

(6) the utility model air-out total main pipe connection incinerator primary air blast pipe, in incinerator primary air system once Wind blast pipe leads directly to burner hearth, plays combustion-supporting effect, and hot blast in the wind and primary air intake pipe of higher temperature is carried in the system and is mixed Conjunction can further improve stove chamber inner combustion efficiency；

(7) the utility model aspiration channel connects with upper atmosphere, high tower can be used to absorb upper atmosphere, reduce dust Influence of the grain to wind matter；

(8) the utility model is simple in construction, reasonable in design, easily fabricated.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model.

In figure：1st, aspiration channel；

2nd, blower fan；

3rd, air intake main pipe；

4th, inlet air door；

5th, air intake pipe；

6th, air-out pipe；

7th, air-out air door；

8th, air-out branch pipe；

9th, the total main pipe of air-out；

10th, furnace wall body；

11st, thermal insulation layer.

Embodiment

The utility model is further described below with reference to specific embodiment.

Embodiment 1

As shown in figure 1, a kind of waste incinerator furnace wall cooling air system, including furnace wall body 10 and metallic plate, described stove Thermal insulation layer 11 is formed between wall 10 and metallic plate；

Also include blower fan 2；The air intake of described blower fan 2 is provided with aspiration channel 1, and outlet air end is provided with air intake main pipe 3；

Connected after the described branch of air intake main pipe 3 with one end of described thermal insulation layer 11, be specifically, described air intake main pipe 3 branches include the sub- pipe 5 of two air intakes；Three short tubes are set on the sub- pipe 5 of air intake described in each, the short tube with it is described heat-insulated Layer 11 is connected, and inlet air door 4 is provided with the short tube；

Also include the sub- pipe 6 of two air-out and two air-out branch pipes 8；The six roots of sensation is each provided with the sub- pipe 6 of air-out described in two Short tube, the short tube connect with described thermal insulation layer 11；

Air-out branch pipe 8 connects described wind pipe 6 and the total main pipe 9 of described air-out as intermediate connection tube respectively；

Air-out air door 7 is provided between described air-out branch pipe 8 and the sub- pipe 6 of described air-out.

Operation principle of the present utility model is, blower fan 2 connected with upper atmosphere by aspiration channel 1 (can by high tower with Upper atmosphere connects), blower fan 2 branches into the sub- pipe 5 of air intake from high-altitude air draught by air intake main pipe 3, then by inlet air door 4 It is distinguished and admirable to flow to the other end from the one end of thermal insulation layer 11 because lasting air intake produces pressure even into thermal insulation layer 11, brought out through another Wind pipe 6, and enter the total main pipe 9 of air-out after being converged by air-out branch pipe 8, hot blast is sent to First air by air-out total main pipe 9 and entered Airduct.Because primary air intake pipe leads directly to burner hearth in incinerator primary air system, combustion-supporting effect is played, is carried in the system higher The wind of temperature mixes with hot blast in primary air intake pipe can further improve stove chamber inner combustion efficiency.

The utility model generally, can realize that gas flows in thermal insulation layer, constantly takes away recovery simultaneously by high-temperature gas Recycle, on the one hand reduce the waste of heat energy in furnace wall, on the one hand can reduce temperature of furnace wall, extend the use of refractory brick In the life-span, improve the security performance of body of heater.

Claims (8)

1. a kind of waste incinerator furnace wall cooling air system, including furnace wall body (10) and metallic plate, described furnace wall body (10) and Thermal insulation layer (11) is formed between metallic plate, it is characterised in that：Also include blower fan (2)；The air intake of described blower fan (2) is provided with Aspiration channel (1), outlet air end are provided with air intake main pipe (3)；After described air intake main pipe (3) branch with described thermal insulation layer (11) One end connects；The other end of described thermal insulation layer (11) then connects with the total main pipe of air-out (9).

A kind of 2. waste incinerator furnace wall cooling air system according to claim 1, it is characterised in that：Described air intake is female Managing (3) branch includes air intake pipe (5)；Some short tubes are set to connect with described thermal insulation layer (11) on described air intake pipe (5) It is logical.

A kind of 3. waste incinerator furnace wall cooling air system according to claim 1, it is characterised in that：Also include air-out Manage (6)；Some short tubes are provided with described air-out son pipe (6) to connect with described thermal insulation layer (11).

A kind of 4. waste incinerator furnace wall cooling air system according to claim 2, it is characterised in that：On described short tube It is provided with inlet air door (4).

A kind of 5. waste incinerator furnace wall cooling air system according to claim 3, it is characterised in that：Also include air-out branch Manage (8)；The described wind pipe (6) of described air-out branch pipe (8) connection and the total main pipe of described air-out (9).

A kind of 6. waste incinerator furnace wall cooling air system according to claim 5, it is characterised in that：Described air-out branch Air-out air door (7) is provided between pipe (8) and described air-out son pipe (6).

A kind of 7. waste incinerator furnace wall cooling air system according to claim 1-6 any one, it is characterised in that：Institute The total main pipe of air-out (9) the connection incinerator primary air blast pipe stated.

A kind of 8. waste incinerator furnace wall cooling air system according to claim 1-6 any one, it is characterised in that：Institute The aspiration channel (1) stated connects with upper atmosphere.