CN212481303U - Household garbage pyrolysis gasification layered chain grate furnace - Google Patents
Household garbage pyrolysis gasification layered chain grate furnace Download PDFInfo
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- CN212481303U CN212481303U CN202021692242.9U CN202021692242U CN212481303U CN 212481303 U CN212481303 U CN 212481303U CN 202021692242 U CN202021692242 U CN 202021692242U CN 212481303 U CN212481303 U CN 212481303U
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Abstract
The utility model discloses a domestic waste pyrolysis gasification layering chain grate furnace, including furnace, furnace's bottom is provided with the chain grate of layering, the chain grate includes the dry pyrolysis gasification section and the burning burn-off section that the height was arranged, the end of dry pyrolysis gasification section and the butt joint of the head end of burning-off section link up by the section of falling between and, the head end of dry pyrolysis gasification section is provided with feed mechanism, the end of burning-off section is provided with the slag notch, the top of chain grate and locate to extend backward from feed mechanism and have the preceding arch, it has the back arch to extend forward from slag notch department, form the inlet flue between preceding arch and the back arch, the second combustion chamber is connected to the inlet flue, be provided with the striker plate on the preceding arch, the striker plate is located feed mechanism's discharge gate department, the upper and lower position of striker plate is adjustable, thereby control the height of the bed on the dry pyrolysis gasification section. The grate furnace enables the pyrolyzed coke materials to roll on the surface of the grate and fully react with oxygen, thereby improving the burn-off rate and reducing the thermal ignition loss rate.
Description
Technical Field
The utility model relates to a refuse handling installation technical field especially relates to a domestic waste pyrolysis gasification layering chain grate furnace.
Background
The domestic garbage is directly related to the ecological environment of human beings, especially in the first level of villages and towns, and the garbage treatment is a difficult problem because the domestic garbage point positions are dispersed and the traffic is inconvenient. In recent years, the pyrolysis and gasification treatment technology is widely favored due to the advantages of small occupied area, low investment and operation cost and capability of solving the problem of household garbage treatment nearby and on the spot. However, the existing pyrolysis gasification technology adopts an intermittent feeding mode, and the indirect feeding causes the temperature in the furnace to be obviously reduced during feeding, and simultaneously a large amount of tar products enter a tail gas treatment stage, so that the load is added to a tail gas treatment system. On the contrary, the chain grate furnace can effectively solve the problems due to unstable combustion, high bridging and failure rate in the furnace during operation and the like caused by intermittent feeding, but the chain grate furnace also has the defects, for example, the chain grate furnace can not realize free rolling in the garbage combustion process relatively, so that the combustion rate is low, the treatment capacity is low, the heat ignition reduction rate is high, and the chain grate furnace is only suitable for small-scale treatment items. Therefore, further optimization is required.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a domestic waste pyrolysis gasification layering chain grate furnace to above-mentioned problem, with the grate layered design, increases the section of falling among the reaction process, makes the coke class material after the pyrolysis roll on the grate face to improve the burn-off rate, reduce the hot burning rate.
In order to achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a domestic waste pyrolysis gasification layering chain grate furnace, it includes furnace, furnace's bottom is provided with the chain grate of layering, the chain grate includes dry pyrolysis gasification section and the burning burn-off section that the height was arranged, the butt joint of the end of dry pyrolysis gasification section and the head end of burning burn-off section is just linked up by the section that falls between, the head end of dry pyrolysis gasification section is provided with feed mechanism, the end of burning burn-off section is provided with the slag notch, the top of chain grate just has the preceding arch from feed mechanism department backward extension, it has the back arch to extend forward from slag notch department, form the inlet flue between preceding arch and the back arch, the second combustion chamber is connected to the inlet flue, be provided with the striker plate on the preceding arch, the striker plate is located feed mechanism's discharge gate department, the upper and lower position of striker plate is adjustable, thereby control the bed of material height on the dry pyrolysis gasification.
Particularly, a plurality of primary air ports are sequentially arranged at the bottoms of the drying pyrolysis gasification section and the combustion burn-out section from the head end to the tail end, each primary air port is independently supplied with air by a corresponding air supply system, and the air volume, the air pressure and the temperature are all adjustable.
Particularly, the grates of the drying pyrolysis gasification section and the combustion burn-out section can be subjected to stepless speed regulation.
In particular, the front arch is positioned at the throat of the hearth, so that volatile components in the garbage impact the front arch to generate airflow disturbance.
Particularly, a secondary air port is arranged at the smoke inlet, high-temperature air is introduced from the secondary air port, and volatile matters in the garbage are mixed with the high-temperature air and then enter a secondary combustion chamber.
In particular, a heat supplementing mechanism for heat compensation is arranged at the smoke inlet.
In particular, the rear arch is provided with an observation opening at the end opposite to the burning-out section.
In particular, the second combustion chamber is provided with a smoke outlet.
Particularly, the feeding mechanism comprises a receiving hopper and a pusher positioned at the bottom of the receiving hopper, and the pusher pushes the garbage in the receiving hopper to the drying pyrolysis gasification section.
To sum up, the beneficial effects of the utility model are that, compared with the prior art, domestic waste pyrolysis gasification layering chain grate furnace is with wherein chain grate layered design, and increases the section that falls in the reaction process, makes the coke class material after the pyrolysis roll on the grate face, fully reacts with oxygen to improve the burn-off rate, reduce the thermal ignition rate, layered design can adjust according to the reaction rate in every stage simultaneously, improves reaction efficiency, the grate length of burn-off section has been reduced, thereby manufacturing cost has been practiced thrift, in addition, a wind gap, secondary air port, the mechanism of resumeing heat etc. have improved combustion efficiency, it is abundant to decompose.
Drawings
Fig. 1 is a schematic structural view of a household garbage pyrolysis gasification layered chain grate furnace provided by the embodiment of the utility model.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Please refer to fig. 1, the present embodiment provides a layered chain grate furnace for pyrolysis and gasification of household garbage, which includes a furnace chamber 1, a layered chain grate is disposed at the bottom of the furnace chamber 1, the chain grate includes a drying pyrolysis gasification section 2 and a combustion burnout section 3, the end of the drying pyrolysis gasification section 2 is butted with the head end of the combustion burnout section 3 and is connected with the head end by a falling section 4, the head end of the drying pyrolysis gasification section 2 is provided with a feeding mechanism, the end of the combustion burnout section 3 is provided with a slag outlet 5, a front arch 6 extends backwards from the feeding mechanism above the chain grate, a rear arch 7 extends forwards from the slag outlet 5, a smoke inlet 8 is formed between the front arch 6 and the rear arch 7, and the smoke inlet 8 is connected with a secondary combustion chamber 9.
Be provided with striker plate 10 on the front arch 6, striker plate 10 is located feed mechanism's discharge gate department, and the upper and lower position of striker plate 10 is adjustable to the bed of material height on the control dry pyrolysis gasification section 2, in order to adapt to the interior burning rate of stove. The feeding mechanism comprises a receiving hopper 11 and a pusher 12 positioned at the bottom of the receiving hopper 11, and the pusher 12 pushes the garbage in the receiving hopper 11 to the drying pyrolysis gasification section 2.
The grate homoenergetic of dry pyrolysis gasification section 2, burning burn out section 3 is infinitely variable speed, the different burning operating mode in adaptable stove, and dry pyrolysis gasification section 2, burning out section 3's bottom has all arranged a plurality of primary air ports 13 from head end to end in proper order, and each primary air port 13 is by corresponding the independent air feed of air supply system, and amount of wind, wind pressure, temperature are all adjustable. The grate segments of the chain grate can realize that the stressed part is not heated and the stressed part is not stressed, so that the service life of the grate is prolonged.
The front arch 6 is positioned at the throat of the hearth 1, so that volatile matters in the garbage impact the front arch 6 to generate airflow disturbance. An observation opening 14 is arranged on the rear arch 7 and opposite to the tail end of the combustion burnout section 3.
A secondary air port 15 is arranged at the smoke inlet 8, high-temperature air is introduced from the secondary air port 15, volatile matters in the garbage are mixed with the high-temperature air and then enter a secondary combustion chamber 9, and a smoke outlet 16 is arranged on the secondary combustion chamber 9.
The smoke inlet 8 is also provided with a heat supplementing mechanism 17 for heat compensation, which is used under extremely severe conditions such as furnace start and furnace shutdown to maintain the high temperature condition of 850 ℃ in the secondary combustion chamber 9.
To sum up, foretell domestic waste pyrolysis gasification layering chain grate furnace wherein the chain grate stoker layered design, and increase the section of falling among the reaction process, make the coke class material after the pyrolysis roll on the grate face, fully react with oxygen, thereby improve the burn-off rate, reduce the thermal ignition loss rate, layered design can be adjusted according to the reaction rate in every stage simultaneously, improve reaction efficiency, the grate length of the burn-off section has been reduced, thereby manufacturing cost has been practiced thrift, in addition, primary air port, secondary air port, the mechanism of supplementing heat etc. has improved combustion efficiency, it is abundant to decompose.
The above embodiments have been merely illustrative of the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and does not depart from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The household garbage pyrolysis gasification layered chain grate furnace is characterized by comprising a furnace, wherein a layered chain grate is arranged at the bottom of the furnace, the chain grate comprises a drying pyrolysis gasification section and a combustion burnout section which are arranged in a height mode, the tail end of the drying pyrolysis gasification section is in butt joint with the head end of the combustion burnout section and is connected with the head end of the combustion burnout section through a falling section, a feeding mechanism is arranged at the head end of the drying pyrolysis gasification section, a slag outlet is formed at the tail end of the combustion burnout section, a front arch extends backwards from the feeding mechanism above the chain grate, a rear arch extends forwards from the slag outlet, a smoke inlet is formed between the front arch and the rear arch, the smoke inlet is connected with a secondary combustion chamber, a material blocking plate is arranged on the front arch and is positioned at the discharge outlet of the feeding mechanism, and the upper position and the lower position of the material blocking plate are adjustable, thereby controlling the height of the material layer on the drying pyrolysis gasification section.
2. The household garbage pyrolysis gasification layered chain grate furnace according to claim 1, characterized in that: the bottom of dry pyrolysis gasification section, burning burn out section has all arranged a plurality of wind gaps from head end to end in proper order, and each wind gap is by the independent air feed of corresponding air supply system, and amount of wind, wind pressure, temperature are all adjustable.
3. The household garbage pyrolysis gasification layered chain grate furnace according to claim 1, characterized in that: and the grates of the drying pyrolysis gasification section and the combustion burn-out section can be subjected to stepless speed regulation.
4. The household garbage pyrolysis gasification layered chain grate furnace according to claim 1, characterized in that: the front arch is positioned at the throat of the hearth, so that volatile matters in the garbage impact the front arch to generate airflow disturbance.
5. The household garbage pyrolysis gasification layered chain grate furnace according to claim 1, characterized in that: and a secondary air port is arranged at the smoke inlet, high-temperature air is introduced into the secondary air port, and volatile matters in the garbage are mixed with the high-temperature air and then enter the secondary combustion chamber.
6. The household garbage pyrolysis gasification layered chain grate furnace according to claim 1, characterized in that: and a heat supplementing mechanism for heat compensation is arranged at the smoke inlet.
7. The household garbage pyrolysis gasification layered chain grate furnace according to claim 1, characterized in that: and an observation port is arranged on the rear arch and right opposite to the tail end of the combustion burnout section.
8. The household garbage pyrolysis gasification layered chain grate furnace according to claim 1, characterized in that: the second combustion chamber is provided with a smoke outlet.
9. The household garbage pyrolysis gasification layered chain grate furnace according to claim 1, characterized in that: the feeding mechanism comprises a receiving hopper and a pusher positioned at the bottom of the receiving hopper, and the pusher pushes the garbage in the receiving hopper to the drying pyrolysis gasification section.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021692242.9U CN212481303U (en) | 2020-08-13 | 2020-08-13 | Household garbage pyrolysis gasification layered chain grate furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021692242.9U CN212481303U (en) | 2020-08-13 | 2020-08-13 | Household garbage pyrolysis gasification layered chain grate furnace |
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| CN212481303U true CN212481303U (en) | 2021-02-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111853809A (en) * | 2020-08-13 | 2020-10-30 | 江苏利百川环保科技有限公司 | Household garbage pyrolysis gasification layered chain grate furnace |
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2020
- 2020-08-13 CN CN202021692242.9U patent/CN212481303U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111853809A (en) * | 2020-08-13 | 2020-10-30 | 江苏利百川环保科技有限公司 | Household garbage pyrolysis gasification layered chain grate furnace |
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