CN103615725B - The energy-conservation direct-combustion furnace of domestic garbage gasification melting - Google Patents

The energy-conservation direct-combustion furnace of domestic garbage gasification melting Download PDF

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Publication number
CN103615725B
CN103615725B CN201310645380.XA CN201310645380A CN103615725B CN 103615725 B CN103615725 B CN 103615725B CN 201310645380 A CN201310645380 A CN 201310645380A CN 103615725 B CN103615725 B CN 103615725B
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furnace
direct
deashing
pipe
combustion furnace
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CN201310645380.XA
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CN103615725A (en
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孙健
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孙健
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Abstract

The energy-conservation direct-combustion furnace of one way of life refuse gasification melting, comprise gasification deashing stove, gasification and melting direct-combustion furnace and aqueous vapor preheating device, described gasification deashing stove comprises deashing furnace body, is provided with rotary fire grate I, is provided with ash dropping hopper in the below of rotary fire grate I in the bottom of deashing furnace body; Gasification and melting direct-combustion furnace comprises direct-combustion furnace body of heater, and the bottom of direct-combustion furnace body of heater is provided with combustion chamber, and the top of direct-combustion furnace body of heater is provided with vaporizer, is provided with retaining room between combustion chamber and vaporizer; Aqueous vapor preheating device comprises preheating water mechanism and pre-thermomotor structure.The present invention is reasonable in design, and structure is simple, and the thermal efficiency is high, use safety, and cost is low, effective, easily processing, transport and assembling, is the harmless treatments such as house refuse, industrial wastewater sludge, useless fiber, recovery energy, comparatively advanced, economic, practical technology.

Description

The energy-conservation direct-combustion furnace of domestic garbage gasification melting
Technical field
The present invention relates to a kind of direct-combustion furnace, particularly the energy-conservation direct-combustion furnace of one way of life refuse gasification melting.
Background technology
Domestic and international Prediction for Solid Waste Treatment Technology, mainly contains two kinds of methods: one is blast furnace burning method at present; Two is landfill methods, and two kinds of methods all exist serious secondary pollution and the wasting of resources.Present stage research and probe domestic garbage gasification melting method, oneself obtains certain effect.With regard to gasification, the technology of comparative maturity is summarized as fixed bed and fluid bed two type, and the scarce limit of fixed bed existence mainly contains: the burning of limit oxygen is uneven, tar content large, easily bore a hole, combustible gas calorific value is low by bed for material, maximization is difficult.The scarce existence that fluidization exists: dust is many, pretreatment of raw material is tight, investment is large, the life-span is short.Fixed bed in sum and fluid bed all can not realize domestic rubbish disposal innoxious, maximize and without tarring, simultaneously, when processing the pollution sources such as house refuse, industrial wastewater sludge, useless fiber, the cost of equipment investment is higher and the utilization rate of the energy is lower.
Summary of the invention
The technical problem to be solved in the present invention is for the deficiencies in the prior art, proposes a kind of small investment, profitable, can realize the energy-conservation direct-combustion furnace of domestic garbage gasification melting of domestic garbage was harmlessly treated.
The technical problem to be solved in the present invention is achieved through the following technical solutions, the energy-conservation direct-combustion furnace of one way of life refuse gasification melting, be characterized in: comprise gasification deashing stove, gasification and melting direct-combustion furnace and aqueous vapor preheating device, described gasification deashing stove comprises deashing furnace body, garbage inlet is provided with on deashing furnace body top, garbage inlet place is provided with material loading compression set, the inside wall of deashing furnace body is provided with retaining cover, the rubbish stirring pipe of horizontally set is fixed with on the top of retaining cover, rotary fire grate I is provided with in the bottom of deashing furnace body, ash dropping hopper is provided with in the below of rotary fire grate I, the compressed pipe of horizontally set is provided with in the exit, lower end of ash dropping hopper, the outer end of compressed pipe is provided with ash hole, the inner of compressed pipe is provided with the horizontal sliding oil cylinder of deashing, deashing furnace body below rotary fire grate I is provided with air inlet, gas outlet is provided with at the top of deashing furnace body, described gasification and melting direct-combustion furnace comprises direct-combustion furnace body of heater, the bottom of direct-combustion furnace body of heater is provided with combustion chamber, the top of direct-combustion furnace body of heater is provided with vaporizer, retaining room is provided with between combustion chamber and vaporizer, a refractory container burner hearth and at least one gas furnace hearth is provided with in combustion chamber, refractory container burner hearth and gas furnace hearth are all connected by the gas outlet of pipeline with deashing furnace body, the straight smoke pipe connected with refractory container burner hearth and gas furnace hearth respectively is vertically provided with in retaining indoor, the flue gas bend pipe connected with straight smoke pipe one_to_one corresponding is provided with in vaporizer, vaporizer top is provided with and flue gas bend pipe exhaust opening one to one, exhaust fume collecting hood is provided with above direct-combustion furnace body of heater, the smoke intaking hole connected with exhaust opening one_to_one corresponding by pipeline is provided with in the bottom of exhaust fume collecting hood, an outlet of always discharging fume is provided with at the top of exhaust fume collecting hood, inlet opening is provided with in the bottom of retaining room, the top of retaining room is connected with the bottom of vaporizer by vapour pipe, be provided with steam at the top of vaporizer to portal, described aqueous vapor preheating device comprises preheating water mechanism and pre-thermomotor structure, preheating water mechanism is provided with preheating water housing, the top of preheating water housing is provided with collecting chamber, the bottom of preheating water housing is provided with fume collecting chamber, heat-exchanging chamber I is provided with between fume collecting chamber and collecting chamber, the flue I that spirals is provided with in heat-exchanging chamber I, spiral flue I lower end outlet connect with fume collecting chamber, the upper end import of flue I of spiraling connects with outlet of always discharging fume, the described flue I that spirals is combined by some heat exchanging water-jackets and forms, heat exchanging water-jacket is connected as one by circulation pipe and connects with water inlet pipe, the top of heat exchanging water-jacket is communicated with collecting chamber by house steward, hot water outlet is provided with at the top of collecting chamber, described pre-thermomotor structure is provided with pre-hot gas housing, the top of pre-hot gas housing is provided with collection chamber, the bottom of pre-hot gas housing is provided with heat-exchanging chamber II, the flue II that spirals is provided with in heat-exchanging chamber II, the lower end gas approach of flue II of spiraling is connected by the fume collecting chamber of pipeline with preheating water housing, the upper end outlet of flue II of spiraling is set to waste gas outlet, the described flue II that spirals is combined by some heat exchange air-casings and forms, heat exchange air-casing is connected as one by circulation pipe and connects with air inlet pipe, air inlet pipe is provided with air pump, the top of heat exchange air-casing is communicated with collection chamber by house steward, heat outlet is provided with at the top of collection chamber, heat outlet is connected by the air inlet of pipeline with deashing furnace body.
The technical problem to be solved in the present invention can also be come to realize further by the following technical programs, described material loading compression set comprises the material loading compressed pipe being located at and connecting with deashing furnace body garbage inlet outside deashing furnace body, the downward-sloping setting of material loading compressed pipe, the main compression cylinder of material loading is provided with in the lower end of material loading compressed pipe, side, the bottom outer wall of material loading compressed pipe is provided with the precompressed draw of horizontally set, the cast hopper that opening upwards is arranged is provided with in the front portion of the precompressed draw, the precommpression cylinder exporting with cast hopper lower end and coordinate horizontal sliding rubbish to enter material loading compressed pipe is provided with in the rear end of the precompressed draw, pressurized water passage is provided with between described material loading compressed pipe and the inside and outside wall of the precompressed draw, the inwall of material loading compressed pipe and the precompressed draw is provided with some compression apopores, the bottom outer wall of material loading compressed pipe is provided with sewage outlet.
The technical problem to be solved in the present invention can also be come to realize further by the following technical programs, is provided with inner water tank in the deashing furnace body above rotary fire grate I, and the water stirring pipe of crossing by some horizontally sets between inner water tank overlaps with retaining is connected; Be provided with the vertical load-bearing axle arranged in the center of rotary fire grate I, in load-bearing axle, be provided with the load-bearing axle inlet opening communicated with inner water tank.
The technical problem to be solved in the present invention can also be come to realize further by the following technical programs, outside deashing furnace body, be provided with heat-insulation layer.
The technical problem to be solved in the present invention can also be come to realize further by the following technical programs, deashing furnace body is provided with and sees material window.
The technical problem to be solved in the present invention can also be come to realize further by the following technical programs, rotary fire grate II is provided with in the refractory container burner hearth of gasification and melting direct-combustion furnace, melting direct combustion chamber is provided with above rotary fire grate II, be provided with fused mass outlet in the bottom in melting direct combustion chamber, be provided with the charcoal ash import automatically helping fuel inlet and connect with deashing furnace body ash hole on the top in melting direct combustion chamber.
The technical problem to be solved in the present invention can also be come to realize further by the following technical programs, is provided with the delay plate of some reducing smokes flowing in straight smoke pipe.
The technical problem to be solved in the present invention can also be come to realize further by the following technical programs, and described gas furnace hearth is provided with two or more, in each gas furnace hearth, be equipped with burner.
The technical problem to be solved in the present invention can also be come to realize further by the following technical programs, and direct-combustion furnace body of heater is provided with Pressure gauge and automatically controlled water-level gauge.
The technical problem to be solved in the present invention can also be come to realize further by the following technical programs, is provided with the control windshield plate controlling ventilation at the smoke intaking hole place that exhaust fume collecting hood connects with gas furnace hearth.
Compared with prior art, it is inner that house refuse is sent into deashing furnace body from garbage inlet by material loading compression set by the present invention, carry out three melt-combustions by gasification deashing stove, gasification and melting direct-combustion furnace and aqueous vapor preheating device, make domestic rubbish disposal realize maximizing, innoxious, without tarring.The present invention is reasonable in design, and structure is simple, and the thermal efficiency is high, use safety, and cost is low, effective, easily processing, transport and assembling, is the harmless treatments such as house refuse, industrial wastewater sludge, useless fiber, recovery energy, comparatively advanced, economic, practical technology.
Accompanying drawing explanation
Fig. 1 is FB(flow block) of the present invention;
Fig. 2 is the structural representation of gasification deashing stove;
Fig. 3 is the structural representation of gasification and melting direct-combustion furnace;
Fig. 4 is the structural representation of exhaust fume collecting hood;
Fig. 5 is the structural representation of aqueous vapor preheating device.
Detailed description of the invention
The energy-conservation direct-combustion furnace of one way of life refuse gasification melting, comprise gasification deashing stove, gasification and melting direct-combustion furnace and aqueous vapor preheating device, described gasification deashing stove comprises deashing furnace body 1, garbage inlet 15 is provided with on deashing furnace body 1 top, garbage inlet 15 place is provided with material loading compression set, the inside wall of deashing furnace body 1 is provided with retaining cover 3, the rubbish stirring pipe 2 of horizontally set is fixed with on the top of retaining cover 3, rotary fire grate I 7 is provided with in the bottom of deashing furnace body 1, ash dropping hopper is provided with in the below of rotary fire grate I 7, the compressed pipe 8 that 9 places are provided with horizontally set is exported in the lower end of ash dropping hopper, the outer end of compressed pipe 8 is provided with ash hole, the inner of compressed pipe 8 is provided with the horizontal sliding oil cylinder 10 of deashing, deashing furnace body 1 below rotary fire grate I 7 is provided with air inlet 43, gas outlet 44 is provided with at the top of deashing furnace body 1, described gasification and melting direct-combustion furnace comprises direct-combustion furnace body of heater 17, the bottom of direct-combustion furnace body of heater 17 is provided with combustion chamber, the top of direct-combustion furnace body of heater is provided with vaporizer, retaining room is provided with between combustion chamber and vaporizer, a refractory container burner hearth 26 and at least one gas furnace hearth 25 is provided with in combustion chamber, refractory container burner hearth 26 and gas furnace hearth 25 are all connected with the gas outlet 44 of deashing furnace body by pipeline, the straight smoke pipe 18 connected with refractory container burner hearth 26 and gas furnace hearth 25 respectively is vertically provided with in retaining indoor, the flue gas bend pipe 20 connected with straight smoke pipe 18 one_to_one corresponding is provided with in vaporizer, vaporizer top is provided with and flue gas bend pipe 20 exhaust opening 21 one to one, exhaust fume collecting hood 30 is provided with above direct-combustion furnace body of heater 17, the smoke intaking hole 28 connected with exhaust opening 21 one_to_one corresponding by pipeline is provided with in the bottom of exhaust fume collecting hood 30, an always smoke evacuation outlet 29 is provided with at the top of exhaust fume collecting hood 30, inlet opening is provided with in the bottom of retaining room, the top of retaining room is connected with the bottom of vaporizer by vapour pipe, be provided with steam at the top of vaporizer and portal 23, described aqueous vapor preheating device comprises preheating water mechanism and pre-thermomotor structure, preheating water mechanism is provided with preheating water housing 32, the top of preheating water housing 32 is provided with collecting chamber, the bottom of preheating water housing is provided with fume collecting chamber 42, heat-exchanging chamber I is provided with between fume collecting chamber 42 and collecting chamber, the flue I 35 that spirals is provided with in heat-exchanging chamber I, spiral flue I 35 lower end outlet connect with fume collecting chamber, the upper end import 34 of flue I of spiraling connects with outlet 29 of always discharging fume, the described flue I 35 that spirals is combined by some heat exchanging water-jackets and forms, heat exchanging water-jacket is connected as one by circulation pipe and connects with water inlet pipe, the top of heat exchanging water-jacket is communicated with collecting chamber by house steward, hot water outlet 33 is provided with at the top of collecting chamber, described pre-thermomotor structure is provided with pre-hot gas housing 36, the top of pre-hot gas housing is provided with collection chamber, the bottom of pre-hot gas housing is provided with heat-exchanging chamber II, the flue II 40 that spirals is provided with in heat-exchanging chamber II, the lower end gas approach 39 of flue II 40 of spiraling is connected with the fume collecting chamber 42 of preheating water housing by pipeline, the upper end outlet of flue II 40 of spiraling is set to waste gas outlet 37, the described flue II 40 that spirals is combined by some heat exchange air-casings and forms, heat exchange air-casing is connected as one by circulation pipe and connects with air inlet pipe, air inlet pipe is provided with air pump 41, the top of heat exchange air-casing is communicated with collection chamber by house steward, heat outlet 38 is provided with at the top of collection chamber, heat outlet 38 is connected with the air inlet 43 of deashing furnace body 1 by pipeline.Described material loading compression set comprises the material loading compressed pipe 14 being located at and connecting with deashing furnace body garbage inlet 15 outside deashing furnace body 1, the downward-sloping setting of material loading compressed pipe 14, the main compression cylinder 11 of material loading is provided with in the lower end of material loading compressed pipe 14, side, the bottom outer wall of material loading compressed pipe 14 is provided with the precompressed draw 12 of horizontally set, the cast hopper 13 that opening upwards is arranged is provided with in the front portion of the precompressed draw 12, the precommpression cylinder exporting with cast hopper lower end and coordinate horizontal sliding rubbish to enter material loading compressed pipe is provided with in the rear end of the precompressed draw 12, pressurized water passage is provided with between described material loading compressed pipe 14 and the inside and outside wall of the precompressed draw 12, the inwall of material loading compressed pipe and the precompressed draw is provided with some compressions portal, the bottom outer wall of material loading compressed pipe is provided with sewage outlet.
Inner water tank 6 is provided with in deashing furnace body 1 above rotary fire grate I 7, the water stirring pipe 5 of crossing that inner water tank 6 and retaining are overlapped by some horizontally sets between 3 is connected, be provided with the vertical load-bearing axle arranged in the center of rotary fire grate I, in load-bearing axle, be provided with the load-bearing axle inlet opening communicated with inner water tank 6; Heat-insulation layer is provided with outside deashing furnace body 1; Deashing furnace body 1 is provided with and sees material window 4; Rotary fire grate II is provided with in the refractory container burner hearth of gasification and melting direct-combustion furnace, melting direct combustion chamber is provided with above rotary fire grate II, be provided with fused mass outlet in the bottom in melting direct combustion chamber, be provided with the charcoal ash import 16 automatically helping fuel inlet and connect with deashing furnace body ash hole on the top in melting direct combustion chamber; Refractory container and rotary fire grate II 27 is provided with in the refractory container burner hearth 26 of gasification and melting direct-combustion furnace; The delay plate 19 of some reducing smokes flowing is provided with in straight smoke pipe 18; Described gas furnace hearth 25 is provided with two or more, in each gas furnace hearth 25, be equipped with burner; Direct-combustion furnace body of heater is provided with Pressure gauge 22 and automatically controlled water-level gauge 24; The control windshield plate 31 controlling ventilation is provided with at the smoke intaking hole place that exhaust fume collecting hood 30 connects with gas furnace hearth 25.

Claims (7)

1. the energy-conservation direct-combustion furnace of one way of life refuse gasification melting, it is characterized in that: comprise gasification deashing stove, gasification and melting direct-combustion furnace and aqueous vapor preheating device, described gasification deashing stove comprises deashing furnace body, garbage inlet is provided with on deashing furnace body top, garbage inlet place is provided with material loading compression set, the inside wall of deashing furnace body is provided with retaining cover, the rubbish stirring pipe of horizontally set is fixed with on the top of retaining cover, rotary fire grate I is provided with in the bottom of deashing furnace body, ash dropping hopper is provided with in the below of rotary fire grate I, the compressed pipe of horizontally set is provided with in the exit, lower end of ash dropping hopper, the outer end of compressed pipe is provided with ash hole, the inner of compressed pipe is provided with the horizontal sliding oil cylinder of deashing, deashing furnace body below rotary fire grate I is provided with air inlet, gas outlet is provided with at the top of deashing furnace body, described gasification and melting direct-combustion furnace comprises direct-combustion furnace body of heater, the bottom of direct-combustion furnace body of heater is provided with combustion chamber, the top of direct-combustion furnace body of heater is provided with vaporizer, retaining room is provided with between combustion chamber and vaporizer, a refractory container burner hearth and at least one gas furnace hearth is provided with in combustion chamber, refractory container burner hearth and gas furnace hearth are all connected by the gas outlet of pipeline with deashing furnace body, the straight smoke pipe connected with refractory container burner hearth and gas furnace hearth respectively is vertically provided with in retaining indoor, the flue gas bend pipe connected with straight smoke pipe one_to_one corresponding is provided with in vaporizer, vaporizer top is provided with and flue gas bend pipe exhaust opening one to one, exhaust fume collecting hood is provided with above direct-combustion furnace body of heater, the smoke intaking hole connected with exhaust opening one_to_one corresponding by pipeline is provided with in the bottom of exhaust fume collecting hood, an outlet of always discharging fume is provided with at the top of exhaust fume collecting hood, inlet opening is provided with in the bottom of retaining room, the top of retaining room is connected with the bottom of vaporizer by vapour pipe, be provided with steam at the top of vaporizer to portal, described aqueous vapor preheating device comprises preheating water mechanism and pre-thermomotor structure, preheating water mechanism is provided with preheating water housing, the top of preheating water housing is provided with collecting chamber, the bottom of preheating water housing is provided with fume collecting chamber, heat-exchanging chamber I is provided with between fume collecting chamber and collecting chamber, the flue I that spirals is provided with in heat-exchanging chamber I, spiral flue I lower end outlet connect with fume collecting chamber, the upper end import of flue I of spiraling connects with outlet of always discharging fume, the described flue I that spirals is combined by some heat exchanging water-jackets and forms, heat exchanging water-jacket is connected as one by circulation pipe and connects with water inlet pipe, the top of heat exchanging water-jacket is communicated with collecting chamber by house steward, hot water outlet is provided with at the top of collecting chamber, described pre-thermomotor structure is provided with pre-hot gas housing, the top of pre-hot gas housing is provided with collection chamber, the bottom of pre-hot gas housing is provided with heat-exchanging chamber II, the flue II that spirals is provided with in heat-exchanging chamber II, the lower end gas approach of flue II of spiraling is connected by the fume collecting chamber of pipeline with preheating water housing, the upper end outlet of flue II of spiraling is set to waste gas outlet, the described flue II that spirals is combined by some heat exchange air-casings and forms, heat exchange air-casing is connected as one by circulation pipe and connects with air inlet pipe, air inlet pipe is provided with air pump, the top of heat exchange air-casing is communicated with collection chamber by house steward, heat outlet is provided with at the top of collection chamber, heat outlet is connected by the air inlet of pipeline with deashing furnace body,
Be provided with inner water tank in deashing furnace body above rotary fire grate I, the water stirring pipe of crossing by some horizontally sets between inner water tank overlaps with retaining is connected; Be provided with the vertical load-bearing axle arranged in the center of rotary fire grate I, in load-bearing axle, be provided with the load-bearing axle inlet opening communicated with inner water tank; Heat-insulation layer is provided with outside deashing furnace body; Rotary fire grate II is provided with in the refractory container burner hearth of gasification and melting direct-combustion furnace, melting direct combustion chamber is provided with above rotary fire grate II, be provided with fused mass outlet in the bottom in melting direct combustion chamber, be provided with the charcoal ash import automatically helping fuel inlet and connect with deashing furnace body ash hole on the top in melting direct combustion chamber.
2. the energy-conservation direct-combustion furnace of domestic garbage gasification melting according to claim 1, it is characterized in that: described material loading compression set comprises the material loading compressed pipe being located at and connecting with deashing furnace body garbage inlet outside deashing furnace body, the downward-sloping setting of material loading compressed pipe, the main compression cylinder of material loading is provided with in the lower end of material loading compressed pipe, side, the bottom outer wall of material loading compressed pipe is provided with the precompressed draw of horizontally set, the cast hopper that opening upwards is arranged is provided with in the front portion of the precompressed draw, the precommpression cylinder exporting with cast hopper lower end and coordinate horizontal sliding rubbish to enter material loading compressed pipe is provided with in the rear end of the precompressed draw, pressurized water passage is provided with between described material loading compressed pipe and the inside and outside wall of the precompressed draw, the inwall of material loading compressed pipe and the precompressed draw is provided with some compression apopores, the bottom outer wall of material loading compressed pipe is provided with sewage outlet.
3. the energy-conservation direct-combustion furnace of domestic garbage gasification melting according to claim 1, is characterized in that: be provided with on deashing furnace body and see material window.
4. the energy-conservation direct-combustion furnace of domestic garbage gasification melting according to claim 1, is characterized in that: the delay plate being provided with the flowing of some reducing smokes in straight smoke pipe.
5. the energy-conservation direct-combustion furnace of domestic garbage gasification melting according to claim 1, is characterized in that: described gas furnace hearth is provided with two or more, in each gas furnace hearth, is equipped with burner.
6. the energy-conservation direct-combustion furnace of domestic garbage gasification melting according to claim 1, is characterized in that: on direct-combustion furnace body of heater, be provided with Pressure gauge and automatically controlled water-level gauge.
7. the energy-conservation direct-combustion furnace of domestic garbage gasification melting according to claim 1, is characterized in that: be provided with the control windshield plate controlling ventilation at the smoke intaking hole place that exhaust fume collecting hood connects with gas furnace hearth.
CN201310645380.XA 2013-12-05 2013-12-05 The energy-conservation direct-combustion furnace of domestic garbage gasification melting Expired - Fee Related CN103615725B (en)

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