CN218544447U - Household garbage pyrolysis equipment and system - Google Patents
Household garbage pyrolysis equipment and system Download PDFInfo
- Publication number
- CN218544447U CN218544447U CN202222712089.7U CN202222712089U CN218544447U CN 218544447 U CN218544447 U CN 218544447U CN 202222712089 U CN202222712089 U CN 202222712089U CN 218544447 U CN218544447 U CN 218544447U
- Authority
- CN
- China
- Prior art keywords
- combustion chamber
- temperature sensor
- pyrolysis
- sensor group
- household garbage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Incineration Of Waste (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The utility model relates to a domestic waste pyrolysis equipment and system, the pyrolysis equipment includes pyrolysis gasifier and monitoring subassembly, pyrolysis gasifier formula furnace body as an organic whole, pyrolysis gasifier includes a combustion chamber and two combustion chambers, two combustion chambers encircle around the outside of a combustion chamber and communicate with a combustion chamber through setting up a combustion chamber flue gas pore in a combustion chamber below, a combustion chamber and two combustion chambers are concentric structure; a feed inlet is arranged above the first combustion chamber, an ash outlet is arranged below the first combustion chamber, and a stirring shaft is arranged in the lower part of the first combustion chamber; the monitoring assembly comprises a first temperature sensor group, a second temperature sensor group, a third temperature sensor group and a pressure sensor, the first temperature sensor group is arranged below the first combustion chamber, the second temperature sensor group is arranged above the first combustion chamber, the third temperature sensor group is arranged in the second combustion chamber, and the pressure sensor is arranged at the communication position of the first combustion chamber and the second combustion chamber. The utility model discloses a domestic waste pyrolysis equipment and the system operation degree of difficulty are low, can realize the control to domestic waste's pyrolysis process.
Description
Technical Field
The utility model belongs to the technical field of domestic waste handles, more specifically relates to a domestic waste pyrolysis equipment and system.
Background
If the stacked household garbage is not treated in time, the ecological environment and the living environment of residents can be polluted. At present, the domestic and foreign treatment modes of municipal domestic garbage are based on the principles of resource, reduction and harmlessness, so that the sustainable development in the true sense is achieved. The pyrolysis gasification of the household garbage refers to a process of heating the household garbage under the condition of oxygen deficiency to break chemical bonds of organic matters and generate small molecular substances (gas and liquid) and solid residues. The pyrolysis gasification process has the advantages of small scale, low investment capital and low operation and maintenance cost.
At present, equipment for treating rural household garbage generally has small treatment scale (less than 50 t/d) and low degree of mechanization and intelligence. Like patent CN217516885U provides a rural domestic waste device of microwave pyrolysis, including the microwave pyrolysis oven, the surface mounting of microwave pyrolysis oven has the base, the top surface and the surface of microwave pyrolysis oven are equipped with gas delivery pipe and air inlet interface respectively, the top surface of microwave pyrolysis oven is equipped with the lagging, the top surface of lagging is equipped with crushing case, crushing incasement portion installs respectively and smashes the pole, the discharging pipe is installed to the kneck of crushing bottom of the case face, the inside of microwave pyrolysis oven is equipped with the sealed wall, smash earlier rubbish and send into the pyrolysis device again in, fully utilize the inside space of pyrolysis device, make things convenient for in personnel send rubbish into the device, need not to worry the condition that the inlet port is blockked up by great rubbish.
However, the current pyrolysis device does not pay attention to the tracking of the pyrolysis reaction process, and the real-time adjustment of the pyrolysis device cannot be realized.
Therefore, how to track the progress of pyrolysis reaction in a pyrolysis device and realize real-time adjustment of the pyrolysis device under the condition of ensuring that the operation difficulty of household garbage pyrolysis equipment and a system is low is a problem to be solved urgently in the field at present.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the above-mentioned prior art, the utility model discloses an adopt a combustion chamber and two combustion chambers integral type pyrolysis gasification stoves, the inside (mixing) shaft that sets up through rotation regulation rubbish and distribute of pyrolysis gasification stove sets up monitoring subassembly such as temperature sensor, pressure sensor at the relevant position of pyrolysis gasification stove, has realized the process tracking to pyrolytic reaction among the pyrolysis device. The household garbage pyrolysis system realizes real-time adjustment of the pyrolysis device under the condition of tracking the pyrolysis reaction by combining the air supply device, the feeding device, the slag discharging device and the hydraulic device.
In a first aspect, the utility model provides a domestic waste pyrolysis equipment, include: the pyrolysis gasification furnace is an integrated furnace body and comprises a first combustion chamber and a second combustion chamber, the second combustion chamber surrounds the outer side of the first combustion chamber and is communicated with the first combustion chamber through a combustion chamber flue gas pore passage arranged below the first combustion chamber, and the first combustion chamber and the second combustion chamber are of concentric structures;
a feed inlet is arranged above the first combustion chamber, an ash outlet is arranged below the first combustion chamber, and a stirring shaft is arranged in the lower part of the first combustion chamber;
the monitoring assembly comprises a first temperature sensor group, a second temperature sensor group, a third temperature sensor group and a pressure sensor, the first temperature sensor group is arranged below the first combustion chamber, the second temperature sensor group is arranged above the first combustion chamber, the third temperature sensor group is arranged in the second combustion chamber, and the pressure sensor is arranged at the top of the first combustion chamber.
Furthermore, a fire grate is arranged in the combustion chamber and is positioned below the combustion chamber.
Furthermore, a first temperature sensor group is arranged above the fire grate and comprises at least three first temperature sensors, and all the first temperature sensors are circumferentially distributed along the outer side of the combustion chamber.
Furthermore, the vertical distance between the first temperature sensor group and the grate is 40-60cm.
Furthermore, the third temperature sensor group is longitudinally distributed relative to the second combustion chamber, and the third temperature sensor group comprises at least three third temperature sensors.
In a second aspect, the present invention also provides a household garbage pyrolysis system, including: the household garbage pyrolysis equipment comprises the household garbage pyrolysis equipment, an air supply device, a feeding device, a slag discharging device and a hydraulic device.
Further, the air supply device comprises a primary air fan, a secondary air fan and an induced draft fan, wherein the primary air fan is communicated with the first combustion chamber through a first air pipeline, the secondary air fan is communicated with the second combustion chamber through a second air pipeline, and the induced draft fan is respectively communicated with the first combustion chamber and the second combustion chamber through an induced draft pipeline;
the first air pipeline, the second air pipeline and the induced air channel are respectively provided with a first air flow meter, a second air flow meter and a third air flow meter, and the induced air pipeline is provided with an oxygen content tester.
Further, feed arrangement includes feeder hopper, feedstock channel and servo motor, and feedstock channel one end intercommunication a feed inlet of combustion chamber, and the other end is provided with rubbish feeder hopper and servo motor.
Furthermore, the slag discharging device comprises a slag discharging machine, a slag inlet and a slag outlet are arranged on the slag discharging machine, and the slag inlet is connected with an ash outlet of a combustion chamber.
Furthermore, the hydraulic device is connected with a fire grate and a stirring shaft in a combustion chamber.
The utility model provides a pair of domestic waste pyrolysis equipment and system has following technological effect at least:
(1) Under the condition of ensuring that the operation difficulty of the household garbage pyrolysis equipment and the system is low, the process of the pyrolysis reaction in the pyrolysis device can be effectively tracked.
(2) The household garbage pyrolysis system can realize real-time adjustment of the pyrolysis device under the condition of tracking pyrolysis reaction.
Drawings
The above and other objects, features and advantages of exemplary embodiments of the present disclosure will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the present disclosure are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which like reference numerals refer to like or corresponding parts and in which:
fig. 1 is a schematic structural diagram of a household garbage pyrolysis device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a household garbage pyrolysis system according to an embodiment of the present invention.
Description of reference numerals: 1-a first combustion chamber, 2-a second combustion chamber, 3-a slag extractor, 4-a fire grate, 5-a stirring shaft, 6-a first temperature sensor group, 7-a second temperature sensor, 8-a third temperature sensor group, 9-a pressure sensor, 10-a primary fan, 11-a secondary fan, 12-an induced draft fan, 13-a pyrolysis gasifier, 14-an oxygen content tester, 151-a first air flow meter, 152-a second air flow meter, 153-a third air flow meter, 16-a hydraulic device, 17-a feed channel, 18-a feed hopper, 19-a servo motor, 20-a feed inlet and 21-a combustion chamber flue gas duct.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the embodiments of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and "a plurality" typically includes at least two.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrases "comprising one of \8230;" does not exclude the presence of additional like elements in an article or device comprising the element.
The following describes in detail alternative embodiments of the present invention with reference to the accompanying drawings.
Referring to fig. 1, the household garbage pyrolysis equipment comprises a pyrolysis gasifier 13 and a monitoring assembly.
The pyrolysis gasifier 13 includes a combustion chamber 1 and a second combustion chamber 2, the second combustion chamber 2 surrounds the outer side of the first combustion chamber 1 and is communicated with the first combustion chamber 1 through a combustion chamber flue gas pore 21 arranged below the first combustion chamber 1, and the first combustion chamber 1 and the second combustion chamber 2 are of a concentric structure. The concentric structure of the first combustion chamber 1 and the second combustion chamber 2 can be in the form of concentric circles, concentric rectangles or other concentric jacketed furnaces.
A feed inlet 20 is arranged above a combustion chamber 1 of the pyrolysis gasification furnace 13, an ash outlet is arranged below the combustion chamber, a fire grate 4 and a stirring shaft 5 are arranged at the lower part in the pyrolysis gasification furnace 13, and the fire grate 4 and the stirring shaft 5 are arranged in the combustion chamber 1 to play a role in supporting garbage to carry out pyrolysis gasification and ash discharge.
The monitoring assembly comprises a first temperature sensor group 6, a second temperature sensor group 7, a third temperature sensor group 8 and a pressure sensor 9, the first temperature sensor group 6 is arranged below the first combustion chamber 1, the second temperature sensor group 7 is arranged above the first combustion chamber 1, the third temperature sensor group 8 is arranged on the second combustion chamber 2, and the pressure sensor 9 is arranged at the top of the first combustion chamber 1.
The first temperature sensor group 6 is arranged in the first combustion chamber 1 and is arranged at a height of 40-60cm above the fire grate 4, and at least three temperature sensors (set according to actual conditions, without limitation) are arranged along the circumference of the pyrolysis gasifier 13 so as to monitor the temperature above the fire grate 4 of the first combustion chamber 1 of the pyrolysis gasifier 13.
A second temperature sensor 7 is arranged at the top of a combustion chamber 1 to monitor the top temperature of the combustion chamber 1.
The second combustion chamber 2 is longitudinally provided with at least three temperature sensors (set according to actual conditions, without limitation), and all the temperature sensors arranged on the second combustion chamber 2 form a third temperature sensor group 8 to monitor the temperature of the flue gas in the second combustion chamber 2.
The pressure sensor 9 is disposed at the top of a combustion chamber 1 to monitor the pressure environment in the combustion chamber 1 of the pyrolysis gasifier 13.
Referring to fig. 2, the household garbage pyrolysis system comprises a pyrolysis gasifier 13, a monitoring assembly, an air supply device, a feeding device, a slag discharging device and a hydraulic device 16.
Wherein, air supply device includes primary air fan 10, overfire air fan 11 and draught fan 12, and primary air fan 10 communicates combustion chamber 1 through first air conduit, and overfire air fan 11 communicates combustion chamber 2 through the second air conduit, and draught fan 12 communicates combustion chamber 1 and combustion chamber 2 respectively through the draught fan pipeline.
The primary air fan 10 is connected with a combustion chamber 1 through an air pipeline and supplies oxygen to the combustion chamber 1; the secondary fan 11 is connected with the second combustion chamber 2 of the pyrolysis gasification furnace 13 through an air pipeline, and conveys air preheated by high-temperature flue gas to supply oxygen to the second combustion chamber 2. The induced draft fan 12 guides the flue gas in the pyrolysis gasifier 13 to be discharged, and maintains the negative pressure environment in the pyrolysis gasifier 13.
The first air duct, the second air duct and the induced draft passage are respectively provided with a first air flow meter 151, a second air flow meter 152 and a third air flow meter 153, and the induced draft passage is provided with an oxygen content meter 14.
The first air flow meter 151, the second air flow meter 152 and the third air flow meter 153 are used for monitoring the air quantity sent into the first combustion chamber 1 and the second combustion chamber 2 and the smoke quantity led out by the draught fan 153 respectively. The oxygen content measuring instrument 14 is arranged on the induced draft pipeline, and specifically can be arranged at the flue gas outlet of the pyrolysis gasifier 13 to monitor the oxygen content in the flue gas.
The feeding device comprises a feeding hopper 18, a feeding channel 17 and a servo motor 19, one end of the feeding channel 17 is introduced into a feeding hole 20 in the upper end of the pyrolysis gasification furnace 13, and one end, far away from the feeding hole 20, of the feeding channel 17 is provided with the feeding hopper 18 and the servo motor 19 of the household garbage. The servo motor 19 drives the feed channel 17 to operate, and the household garbage entering from the feed hopper 18 is conveyed into the pyrolysis gasifier 13.
The slag discharging device comprises a slag discharging machine 3, a slag inlet and a slag outlet are arranged on the slag discharging machine 3, and the slag inlet is connected with an ash outlet of the combustion chamber 1. The grate 4 and the stirring shaft 5 rotate to enable an ash layer burnt out above the grate 4 to fall into an ash discharging chamber, enter the slag discharging machine 3 and be taken out through the slag discharging machine 3.
The hydraulic device 16 is connected with a grate 4 and a stirring shaft 5 in a combustion chamber 1.
Referring to fig. 2, a household garbage pyrolysis system specifically performs a household garbage pyrolysis process as follows:
starting a household garbage pyrolysis system;
the household garbage enters a feed hopper 18 of a feeding device, and a feeding channel 17 is driven by a servo motor 19, so that the household garbage is conveyed into a combustion chamber 1 of a pyrolysis gasifier 13;
the temperature control range above the fire grate 4 of the first combustion chamber 1 is 300-400 ℃, the temperature control range at the top of the first combustion chamber 1 is 600-800 ℃, oxygen is supplied to the first combustion chamber 1 through the primary air fan 10, the domestic garbage generates flue gas and ash slag in an anoxic pyrolysis environment, and the pressure control range of the first combustion chamber 1 is-50 to-100 Pa;
the generated flue gas enters a second combustion chamber 2 through a first combustion chamber flue gas duct 21 in a first combustion chamber 1, the temperature of the second combustion chamber 2 is controlled at 850-1100 ℃, oxygen is supplied to the second combustion chamber 2 through a secondary fan 11, the flue gas is subjected to peroxy combustion in a high-temperature oxygen-enriched environment, and the oxygen content control range is 7% -10%;
the whole process is guided by the induced draft fan 12 to flow and discharge the flue gas;
the generated ash falls into an ash discharging chamber through the gap of the fire grate 4 or the rotation of the fire grate 4 and the stirring shaft 5, enters the slag discharging machine 3 and is taken out. The slag discharging machine 3 is set to automatically operate intermittently, the interval time can be set to 25min in a certain embodiment, the slag discharging machine 3 automatically operates for 5min each time, and the time can be adjusted according to actual operation.
According to the temperature monitored by the first temperature sensor group 6 above the fire grate 4 of the combustion chamber 1, whether the control height of the bottom ash layer in the pyrolysis gasification furnace 13 meets the requirement is judged, and corresponding adjustment is carried out. For example, the numerical values of all the first temperature sensors of the first temperature sensor group 6 are compared and subjected to error analysis, if the obtained error exceeds 5%, the height of the garbage in the first combustion chamber 1 is not uniform, and then the grate 4 and the stirring shaft 5 need to be controlled to rotate to adjust the garbage distribution in the pyrolysis gasifier 13; if the average temperature value above the grate 4 of the first combustion chamber 1 is higher than the preset temperature value and the temperature of the second temperature sensor 7 at the top of the first combustion chamber 1 exceeds the preset temperature value, the situation that the material level in the pyrolysis gasification furnace 13 is too thin and the garbage tends to burn completely is indicated, and feeding is needed.
The above description of the preferred embodiments of the present invention is intended to make the spirit of the present invention clearer and more comprehensible, and is not intended to limit the present invention, and all modifications, replacements, and improvements made within the spirit and principles of the present invention should be included within the scope of protection outlined in the claims appended hereto.
Claims (10)
1. A household garbage pyrolysis device is characterized by comprising: the pyrolysis gasification furnace is an integrated furnace body and comprises a first combustion chamber and a second combustion chamber, the second combustion chamber surrounds the outer side of the first combustion chamber and is communicated with the first combustion chamber through a combustion chamber flue gas pore passage arranged below the first combustion chamber, and the first combustion chamber and the second combustion chamber are of concentric structures;
a feed inlet is arranged above the first combustion chamber, an ash outlet is arranged below the first combustion chamber, and a stirring shaft is arranged in the lower part of the first combustion chamber;
the monitoring assembly comprises a first temperature sensor group, a second temperature sensor group, a third temperature sensor group and a pressure sensor, the first temperature sensor group is arranged below the first combustion chamber, the second temperature sensor group is arranged above the first combustion chamber, the third temperature sensor group is arranged in the second combustion chamber, and the pressure sensor is arranged at the top of the first combustion chamber.
2. The pyrolysis apparatus for household garbage according to claim 1, wherein a grate is further provided inside the combustion chamber, and the grate is located below the combustion chamber.
3. The domestic waste pyrolysis apparatus of claim 2 wherein the first set of temperature sensors is disposed above the grate, the first set of temperature sensors comprising at least three first temperature sensors, all of the first temperature sensors being circumferentially distributed along an outside of the combustion chamber.
4. The domestic waste pyrolysis apparatus of claim 3, wherein the first set of temperature sensors is positioned at a vertical distance of 40-60cm from the grate.
5. The household garbage pyrolysis apparatus of claim 1, wherein the third temperature sensor group is distributed longitudinally relative to the second combustion chamber, and the third temperature sensor group comprises at least three third temperature sensors.
6. A household garbage pyrolysis system is characterized by comprising: the domestic waste pyrolysis apparatus of any one of claims 1 to 5, the air supply means, the feeding means, the slag tapping means and the hydraulic means.
7. The household garbage pyrolysis system of claim 6, wherein the air supply device comprises a primary air blower, a secondary air blower and an induced draft fan, the primary air blower is communicated with the first combustion chamber through a first air pipeline, the secondary air blower is communicated with the second combustion chamber through a second air pipeline, and the induced draft fan is respectively communicated with the first combustion chamber and the second combustion chamber through an induced draft pipeline;
the first air pipeline, the second air pipeline and the induced air channel are respectively provided with a first air flow meter, a second air flow meter and a third air flow meter, and the induced air pipeline is provided with an oxygen content tester.
8. The pyrolysis system for household garbage according to claim 6, wherein the feeding device comprises a feeding hopper, a feeding channel and a servo motor, one end of the feeding channel is communicated with a feeding hole of the combustion chamber, and the other end of the feeding channel is provided with the garbage feeding hopper and the servo motor.
9. The household garbage pyrolysis system of claim 6, wherein the slag tapping means comprises a slag tapping machine, the slag tapping machine is provided with a slag inlet and a slag outlet, and the slag inlet is connected with an ash outlet of the combustion chamber.
10. The household garbage pyrolysis system of claim 6, wherein the hydraulic device is connected to the grate and the mixer shaft in a combustion chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222712089.7U CN218544447U (en) | 2022-10-14 | 2022-10-14 | Household garbage pyrolysis equipment and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222712089.7U CN218544447U (en) | 2022-10-14 | 2022-10-14 | Household garbage pyrolysis equipment and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218544447U true CN218544447U (en) | 2023-02-28 |
Family
ID=85277496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222712089.7U Active CN218544447U (en) | 2022-10-14 | 2022-10-14 | Household garbage pyrolysis equipment and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218544447U (en) |
-
2022
- 2022-10-14 CN CN202222712089.7U patent/CN218544447U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4530702A (en) | Method for producing fuel gas from organic material, capable of self-sustaining operation | |
| CN101495808B (en) | Horizontally Oriented Gasifier with Transverse Conveyor System | |
| SG183221A1 (en) | Carbon conversion system with integrated processing zones | |
| CN106439847B (en) | A kind of Full-automatic high-temperature plasma solid waste melting furnace | |
| CN208398087U (en) | A kind of domestic waste pyrolysis harmless incineration equipment | |
| CN102901104A (en) | Upright garbage incinerator | |
| CN109681886B (en) | Vertical rotary pyrolysis gasifier | |
| CN112696686A (en) | Organic solid waste gasification incineration system and method | |
| CN218544447U (en) | Household garbage pyrolysis equipment and system | |
| US20120247374A1 (en) | Independent vector control system for gasification furnace | |
| CN109082304A (en) | A kind of automatic control domestic garbage pyrolysis gasification oven | |
| CN201652332U (en) | Gasification furnace with conical fire grate | |
| CN214612323U (en) | Organic solid waste sleeve type gas guide wet type ash discharge fixed bed gasifier | |
| CN209801488U (en) | Garbage pyrolysis gasification furnace | |
| CN115585465B (en) | Garbage treatment regulation and control system and method | |
| CN210398929U (en) | Smokeless oil-free vertical pyrolysis gasification furnace for household garbage | |
| CN202274491U (en) | Vertical-type garbage incinerator | |
| CN209540901U (en) | A kind of refuse pyrolysis gasification furnace | |
| CN208857217U (en) | A kind of automatic control domestic garbage pyrolysis gasification oven | |
| CN208671021U (en) | A kind of sludge anhydration burning processing system | |
| CN208587912U (en) | A kind of oxygen-enriched second-time burning low pollution emission system of domestic garbage pyrolysis gasification | |
| CN112625754A (en) | Organic solid waste sleeve type gas guide wet ash discharge fixed bed gasification furnace and gasification method | |
| CN2837686Y (en) | Coal-fired boiler with screw conveyor | |
| CN204897847U (en) | Small-particle-size brown coal gasification device based on vacuum thermal decomposition | |
| CN219933996U (en) | Gasification incineration system suitable for radioactive waste |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |