CN204358739U - Villages and towns in rural areas low-temperature carbonization burning domestic garbage flue gas innocuity disposal system - Google Patents
Villages and towns in rural areas low-temperature carbonization burning domestic garbage flue gas innocuity disposal system Download PDFInfo
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- CN204358739U CN204358739U CN201420736355.2U CN201420736355U CN204358739U CN 204358739 U CN204358739 U CN 204358739U CN 201420736355 U CN201420736355 U CN 201420736355U CN 204358739 U CN204358739 U CN 204358739U
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Abstract
The utility model discloses a kind of villages and towns in rural areas low-temperature carbonization burning domestic garbage flue gas innocuity disposal system, its after burner adopted is turbulent flow inverse burning heat storage type after-burning stove, and the fuel gas inlet of body of heater is communicated with the exhaust opening of low-temperature carbonization incinerator; The smoke and dust purifier adopted comprises turbulent tower, blower fan and speed change cyclone, turbulent tower connects turbulent flow inverse burning heat storage type after-burning stove by water-cooled heat exchanger, the gas outlet of turbulent tower connects speed change cyclone by blower fan, is provided with atomized water spray mechanism in described speed change cyclone.The utility model adopts turbulent flow inverse burning heat storage type after-burning stove and turbulent tower to purify flue gas, and be aided with desulfurizing agent spraying, substantially can by the fuel gas in flue gas and pernicious gas, system is able to non-pollution discharge gas, meets the environmental requirement of increasingly stringent.
Description
(1) technical field:
The utility model relates to the burning disposal to house refuse, is specially a kind of villages and towns in rural areas low-temperature carbonization burning domestic garbage flue gas innocuity disposal system.
(2) background technology:
Villages and towns in rural areas low-temperature carbonization burning domestic garbage is Chinese vast rural area and small towns is clean environment, the behave of beautiful rural, is the main path of the house refuse of villages and towns in rural areas process from now on.
Can produce with a large amount of fuel gas such as tar, carbon monoxide, methane and harmful exhaust (flue dust, other pernicious gases) in villages and towns in rural areas house refuse low-temperature carbonization burning process (heat up the process that the material in burner hearth is carbonized in temperature-rise period from room temperature).For reducing the discharge of fuel gas and waste gas, prevent from producing air polluting, villages and towns in rural areas house refuse low-temperature carbonization is burned should configure effective after burner and smoke and dust purifier.
By after burner, fuel gas can be made to burn completely; By smoke and dust purifier, the particle in waste gas, nitrogen oxide, sulfur dioxide, hydrogen chloride, tar, volatile metal and other poisonous and harmful substance can be removed; After burner and being combined of smoke and dust purifier can make the emission gases of system reach cleaning, odorless, nontoxic, anhydrous qualified discharge.
Small towns is the place that human living is comparatively concentrated, small towns ambient air quality requirement is higher than rural area, the configuration of the therefore installations and facilities of incineration flue gas of household garbage harmless treatment also require more advanced, need to configure after burner, smoke and dust purifier, the gas that equipment is discharged under normal circumstances can reach environmental protection standard.
(3) utility model content:
For the deficiencies in the prior art, technical problem to be solved in the utility model is the villages and towns in rural areas low-temperature carbonization burning domestic garbage flue gas innocuity disposal system proposing a kind of effective minimizing combustible exhaust gas and harmful exhaust emissions.
The villages and towns in rural areas low-temperature carbonization burning domestic garbage flue gas innocuity disposal system that can solve the problems of the technologies described above, its technical scheme comprises after burner and smoke and dust purifier, described after burner is turbulent flow inverse burning heat storage type after-burning stove unlike the prior art, the inverse heat storage type after-burning stove that burns of described turbulent flow comprises body of heater, the furnace wall at described body of heater top is provided with the combustion chamber of band fuel gas inlet, described fuel gas inlet is communicated with the exhaust opening of low-temperature carbonization incinerator, the furnace wall of bottom of furnace body offers gas outlet, in body of heater, refractory brick is set, described refractory brick takes block from bottom to top in units of layer, the arrangement mode of every layer of refractory brick is that front and back are in column, transverse row, the direction in tandem of the refractory brick of adjacent layer intersects each other, described smoke and dust purifier comprises turbulent tower, blower fan and speed change cyclone, and the gas outlet of described turbulent tower is communicated with the suction opeing of blower fan, and the blowing mouth of blower fan is communicated with the air inlet of speed change cyclone, is provided with atomized water spray mechanism in described speed change cyclone, the inverse burning between heat storage type after-burning stove and turbulent tower of described turbulent flow arranges water-cooled heat exchanger, and described gas outlet is communicated with the air inlet of water-cooled heat exchanger, and the gas outlet of described water-cooled heat exchanger is communicated with the air inlet of turbulent tower.
The inverse design principle of burning heat storage type after-burning stove of described turbulent flow: according to gas streamlined flow, the heat absorption of hot gas rising and refractory brick, heat storage function, the burning of fuel gas in body of heater is designed to top air inlet and give vent to anger in bottom, and be built in body of heater with refractory brick and form turbulence structure, fuel gas all want through every layer of refractory brick tortuous by refractory brick between intersect the gap of dislocation, flame when fuel gas can be made to burn at the volley can fully contact with refractory brick, refractory brick is allowed fully to absorb heat, heat storage to the temperature needing to reach, the object reaching fuel gas spontaneous combustion and burn completely.
The operation principle of the turbulence type dusting and desulfuring system be made up of turbulent tower, blower fan and speed change cyclone: in described turbulent tower, the water that spraying mechanism sprays can be converted into water smoke by turbulence device, the flue gas that waste incineration produces constantly changes direction in company with water smoke in turbulent tower, make the fume in flue gas, tar and water smoke impact several times, fume water suction becomes heavy and follows water adhesion, and discharges from the discharge outlet of turbulent tower; After the clean-up effect of turbulent tower, again the gas containing a small amount of pollutant sent into speed change cyclone and spray water smoke, under speed change revolves wind action, remaining pollutant and water smoke are removed in the lump, clean without steam with substantially discharge from speed change cyclone without the gas of foul smell.
Described turbulent tower is the critical piece in " turbulence type dusting and desulfuring system " patent application (Authorization Notice No. is CN103143216B) of the applicant, for saving space, is not described specifically at this to the structure of turbulent tower.
For removing the sour gas in waste gas further, in system, be provided with the apparatus for preparing desulphurizing agent that desulfurizing agent is provided to the spraying mechanism of turbulent tower and the atomized water spray mechanism of speed change cyclone.
Also be provided with in system and the drop slag device that pulp water is separated is carried out to turbulent tower and the discharge waste water of speed change cyclone.
For obtaining the uniformity of best turbulence effects and raising heat accumulation, the direction in tandem of the refractory brick of adjacent layer is 90 ° of intersections.
For effectively promoting the heat insulation effect of body of heater, described furnace wall is designed to five layers, and from-inner-to-outer is respectively fire-resistant heat-sink shell, thermal insulation layer, furnace body frame layer, heat-insulation layer and decorative layer.
The beneficial effects of the utility model:
The utility model villages and towns in rural areas low-temperature carbonization burning domestic garbage flue gas innocuity disposal system adopts turbulent flow inverse burning heat storage type after-burning stove and turbulence type dusting and desulfuring system to carry out the comprehensive regulation to combustible exhaust gas and harmful exhaust, particle, tar, nitrogen oxide, sulfur dioxide, hydrogen chloride in flue gas (low-temperature carbonization is burned and produced), heavy metal in gas, stink, bioxin etc. can obtain larger removal, and system can qualified discharge clean air.
(4) accompanying drawing illustrates:
Fig. 1 is the structural representation of a kind of embodiment of the utility model.
Fig. 2 is the inverse structural representation burning heat storage type after-burning stove of turbulent flow in Fig. 1 embodiment.
Fig. 3 (a) is the partial enlarged drawing at A place in Fig. 2.
Fig. 3 (b) is the partial enlarged drawing at B place in Fig. 2.
Figure number identifies: 1, turbulent flow is inverse burns heat storage type after-burning stove; 1-1, body of heater; 1-2, fuel gas inlet; 1-3, gas outlet; 1-4, combustion chamber; 1-5, refractory brick; 2, pipeline; 3, low-temperature carbonization incinerator; 4, blower fan; 5, speed change cyclone; 6, turbulent tower; 7, stove seat; 8, water-cooled heat exchanger; 9, fire-resistant heat-sink shell; 10, thermal insulation layer; 11, furnace body frame layer; 12, heat-insulation layer; 13, decorative layer.
(5) detailed description of the invention:
Below in conjunction with accompanying drawing illustrated embodiment, the technical solution of the utility model is described further.
The utility model villages and towns in rural areas low-temperature carbonization burning domestic garbage flue gas innocuity disposal system is formed primarily of inverse heat storage type after-burning stove 1, water-cooled heat exchanger 8, turbulent tower 6, blower fan 4 and the speed change cyclone 5 of burning of turbulent flow.The inverse fuel gas inlet 1-2 burning heat storage type after-burning stove 1 of described turbulent flow is communicated with the exhaust opening of low-temperature carbonization incinerator 3 by pipeline 2, the inverse gas outlet 1-3 burning heat storage type after-burning stove 1 of turbulent flow is communicated with the lower end air inlet of water-cooled heat exchanger 8 by pipeline 2, the gas outlet, upper end of described water-cooled heat exchanger 8 is communicated with the lower end air inlet of turbulent tower 6 by pipeline 2, the gas outlet, upper end of described turbulent tower 6 is communicated with the suction opeing of blower fan 4 by pipeline 2, the blowing mouth of described blower fan 4 is communicated with the air inlet of speed change cyclone 5 by pipeline 2, atomized water spray mechanism is provided with in described speed change cyclone 5, as shown in Figure 1.
Desulfurizing agent is provided for giving the spraying mechanism of turbulent tower 6 and the atomized water spray mechanism of speed change cyclone 5, be provided with apparatus for preparing desulphurizing agent in the utility model system, described apparatus for preparing desulphurizing agent connects the spraying mechanism of turbulent tower 6 and the atomized water spray mechanism of speed change cyclone 5 by water pipe.
Also be provided with drop slag device in the utility model system, the waste discharge of described turbulent tower 6 and the waste discharge of speed change cyclone 5 all collect drop slag device by pipeline, with this, waste discharge are carried out pulp water separating treatment, realize the cycling use of water of system.
Described turbulent flow is against burning the structure of heat storage type after-burning stove 1 as shown in Figure 2: its main body is vertical furnace 1-1, described body of heater 1-1 fixedly mounts on stove seat 7, the furnace wall at described body of heater 1-1 top is provided with combustion chamber 1-4, described combustion chamber 1-4 offers fuel gas inlet 1-2, furnace wall bottom body of heater 1-1 offers gas outlet 1-3, the position of described gas outlet 1-3 and 180 ° each other, the position of fuel gas inlet 1-2; In body of heater 1-1, (from bottom to top) is provided with the heat-absorbing structure of being built by refractory brick 1-5, described refractory brick 1-5 (length) is built into from bottom to top in units of layer, the arrangement mode of every layer of refractory brick 1-5 is that front and back are in column, transverse row, the direction in tandem of the refractory brick 1-5 of adjacent layer is 90 ° of intersections, concrete building plan is shown in shown in Fig. 3 (b), namely in one deck refractory brick 1-5, two pieces of (erectting with width) refractory brick 1-5 (with length direction) forward and backward discharges are in column, and 5 row refractory brick 1-5 are left and right to be arranged in rows; In another layer of adjacent refractory brick 1-5, be that two pieces of forward and backward discharges of refractory brick 1-5 are in column equally, 5 row refractory brick 1-5 are left and right to be arranged in rows, only the forward and backward orientation of the refractory brick 1-5 of adjacent layer 90 ° of intersections each other.
There is five-layer structure the furnace wall of described body of heater 1-1, be respectively the decorative layer 13 outside the thermal insulation layer 10 inside the furnace body frame layer 11 based on middle skeleton, described furnace body frame layer 11, the fire-resistant heat-sink shell 9 inside described thermal insulation layer 10, the heat-insulation layer 12 outside furnace body frame layer 11 and heat-insulation layer 12, as Fig. 3 (a).
The method of operation of the present utility model:
1, by the igniting combustion supporting form of combustion chamber 1-4, the refractory brick 1-5 in inverse for the turbulent flow body of heater 1-1 burning heat storage type after-burning stove 1 is burnt more than 700 DEG C, stopping combustion chamber 1-4's is combustion-supporting afterwards.
2, fan starting, produces negative pressure in system, and the flue gas (containing the waste gas of fuel gas with other nuisances) of low-temperature carbonization incinerator 3 is pumped in the inverse body of heater 1-1 burning heat storage type after-burning stove 1 of turbulent flow.
3, a large amount of fuel gas and steam spontaneous combustion in body of heater 1-1, and the central temperature of body of heater 1-1 is controlled at 850 DEG C ~ 1200 DEG C, burning time, more than 2 seconds, realizes that fuel gas is theoretic to burn completely.
4, high-temperature harmful gas is cooled to less than 300 DEG C after entering water-cooled heat exchanger 8, and the hot water after heat exchange is made sundry item and used.
5, low temperature pernicious gas enters turbulent tower 6, under wind-force effect, the water (including desulfurizing agent) that spraying mechanism sprays can be converted into water smoke by turbulence device, flue gas constantly changes direction in company with water smoke in turbulent tower, fume in flue gas and water smoke impact several times, fume water suction becomes heavy and with water adhesion, sour gas and reactive desulfurizing agent are by molten in water, and waste water is discharged from the discharge outlet bottom turbulent tower 6.
7, under the effect of blower fan 4, it is inner that gas (containing a small amount of pollutant) after turbulent tower 6 processes is admitted to speed change cyclone 5, atomized water spray mechanism ejection water smoke (including desulfurizing agent), under speed change revolves wind action, remaining pollutant and water smoke are removed in the lump, clean without steam with substantially discharge from the aiutage at speed change cyclone 5 top without the clean gas of foul smell.
The waste water of 8, discharging from turbulent tower 6 bottom discharge mouth and speed change cyclone 5 bottom discharge mouth collects drop slag device by pipeline, and the water circulation use after pulp water is separated is in system.
Claims (5)
1. villages and towns in rural areas low-temperature carbonization burning domestic garbage flue gas innocuity disposal system, comprise after burner and smoke and dust purifier, it is characterized in that: described after burner is turbulent flow inverse burning heat storage type after-burning stove (1), inverse heat storage type after-burning stove (1) that burns of described turbulent flow comprises body of heater (1-1), the furnace wall at described body of heater (1-1) top is provided with the combustion chamber (1-4) of band fuel gas inlet (1-2), described fuel gas inlet (1-2) is communicated with the exhaust opening of low-temperature carbonization incinerator (3), the furnace wall of body of heater (1-1) bottom offers gas outlet (1-3), refractory brick (1-5) is set in body of heater (1-1), described refractory brick (1-5) takes block from bottom to top in units of layer, the arrangement mode of every layer of refractory brick (1-5) is that front and back are in column, transverse row, the direction in tandem of the refractory brick (1-5) of adjacent layer intersects each other, described smoke and dust purifier comprises turbulent tower (6), blower fan (4) and speed change cyclone (5), the gas outlet of described turbulent tower (6) is communicated with the suction opeing of blower fan (4), the blowing mouth of blower fan (4) is communicated with the air inlet of speed change cyclone (5), is provided with atomized water spray mechanism in described speed change cyclone (5), the inverse burning between heat storage type after-burning stove (1) and turbulent tower (6) of described turbulent flow arranges water-cooled heat exchanger (8), described gas outlet (1-3) is communicated with the air inlet of water-cooled heat exchanger (8), and the gas outlet of described water-cooled heat exchanger (8) is communicated with the air inlet of turbulent tower (6).
2. villages and towns in rural areas according to claim 1 low-temperature carbonization burning domestic garbage flue gas innocuity disposal system, is characterized in that: be provided with the apparatus for preparing desulphurizing agent providing desulfurizing agent to the spraying mechanism of turbulent tower (6) and the atomized water spray mechanism of speed change cyclone (5) in system.
3. villages and towns in rural areas according to claim 1 low-temperature carbonization burning domestic garbage flue gas innocuity disposal system, is characterized in that: be provided with in system and carry out to turbulent tower (6) and the discharge waste water of speed change cyclone (5) the drop slag device that pulp water is separated.
4. according to the villages and towns in rural areas low-temperature carbonization burning domestic garbage flue gas innocuity disposal system in claims 1 to 3 described in any one, it is characterized in that: the direction in tandem of the refractory brick (1-5) of adjacent layer is 90 ° of intersections.
5. according to the villages and towns in rural areas low-temperature carbonization burning domestic garbage flue gas innocuity disposal system in claims 1 to 3 described in any one, it is characterized in that: described furnace wall is five layers, from-inner-to-outer is respectively fire-resistant heat-sink shell (9), thermal insulation layer (10), furnace body frame layer (11), heat-insulation layer (12) and decorative layer (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420736355.2U CN204358739U (en) | 2014-11-27 | 2014-11-27 | Villages and towns in rural areas low-temperature carbonization burning domestic garbage flue gas innocuity disposal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420736355.2U CN204358739U (en) | 2014-11-27 | 2014-11-27 | Villages and towns in rural areas low-temperature carbonization burning domestic garbage flue gas innocuity disposal system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204358739U true CN204358739U (en) | 2015-05-27 |
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ID=53260208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420736355.2U Expired - Fee Related CN204358739U (en) | 2014-11-27 | 2014-11-27 | Villages and towns in rural areas low-temperature carbonization burning domestic garbage flue gas innocuity disposal system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204358739U (en) |
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2014
- 2014-11-27 CN CN201420736355.2U patent/CN204358739U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150527 Termination date: 20151127 |