CN114950032A - Garbage pyrolysis treatment system - Google Patents

Abstract

The invention relates to a waste pyrolysis treatment system. The waste pyrolysis treatment system includes a waste pyrolysis furnace, a filter cartridge dedusting device and a deacidifying agent dosing device; the waste pyrolysis furnace is used to pyrolyze waste and generate first-level flue gas; the filter cartridge dedusting device can filter the Particulate matter generates secondary flue gas, and the gas outlet of the waste pyrolysis furnace is connected to the air inlet of the filter cartridge dust removal equipment; the deacidification agent doser is used to provide dry deacidification agent, and the deacidification agent is used to absorb the deacidification agent in the flue gas. Acid gas, the discharge port of the deacidification agent doser is connected with the air inlet of the filter cartridge dust removal equipment. The waste pyrolysis treatment system realizes the dry removal of acid gas through the dry deacidification agent to avoid secondary sewage pollution, and can simultaneously remove solid products and dust through the filter cartridge dust collector to achieve high-efficiency removal of acid gas and dust at the same time. , to prevent solid products from clogging the pipeline.

Description

Waste pyrolysis treatment system

technical field

The present invention relates to the technical field of garbage disposal, in particular to a garbage pyrolysis disposal system.

Background technique

At present, the domestic waste of urban residents is generally treated by landfill, high temperature incineration and pyrolysis. Among them, landfill needs to occupy a lot of land, and there are problems such as long decomposition period and leakage of sewage, which causes serious damage to the soil and groundwater around the landfill. High-temperature incineration equipment is very expensive to invest in and operate, and a sufficient source of waste is required to maintain operations. Pyrolysis treatment is an effective resource treatment method. It mainly heats solid waste to a certain temperature under anaerobic or anoxic conditions, uses thermal energy to break the bond of compounds, and converts organic matter from macromolecules to small flammable molecules. Gases, liquid fuels and coke.

Waste pyrolysis treatment technology includes high temperature pyrolysis technology, medium temperature pyrolysis technology and low temperature pyrolysis technology. The low-temperature pyrolysis technology firstly needs to simply sort the domestic waste, remove non-pyrolyzable substances, such as glass, ceramics, stones and metals, etc., and then send the remaining waste into the pyrolysis furnace. A micro-magnetic field environment is set up in the pyrolysis furnace to heat the input garbage to initially reach the low-temperature pyrolysis temperature, and then pass the magnetized activated gas to provide thermal conductivity, so that the garbage can be decomposed into carbon monoxide, tar, water vapor and mineral ash. Among them, the mineral ash is discharged through the ash discharge port of the pyrolysis furnace, and the gaseous components are discharged after being processed by the subsequent flue gas purification equipment.

However, the general waste pyrolysis treatment system will produce acidic wastewater during the deacidification process, resulting in secondary pollution, resulting in higher treatment costs for the waste pyrolysis treatment system.

SUMMARY OF THE INVENTION

Based on this, it is necessary to provide a waste pyrolysis treatment system for the secondary pollution problem of the waste pyrolysis treatment system.

A waste pyrolysis treatment system, the waste pyrolysis treatment system includes:

a waste pyrolysis furnace, which is used for pyrolysis of waste and generates primary flue gas;

filter cartridge dust removal equipment, the filter cartridge dust removal equipment can filter particulate matter in the flue gas to generate secondary flue gas, and the air outlet of the waste pyrolysis furnace is communicated with the air inlet of the filter cartridge dust removal equipment;

The deacidification agent doser is used to provide dry deacidification agent, the deacidification agent is used to absorb the acid gas in the flue gas, and the output of the deacidification agent doser The port is communicated with the air inlet of the filter cartridge dust removal device;

A meter and a gas sensor that are electrically connected to each other, the meter is arranged between the discharge port and the air inlet of the filter cartridge dedusting device, and the gas sensor communicates with the air outlet of the filter cartridge dedusting device , the gas sensor is used to test the acid gas concentration in the secondary flue gas.

In the above-mentioned waste pyrolysis treatment system, the deacidification agent is added to the air inlet of the filter cartridge dust removal device by the deacidification agent, so that the acid gas in the primary flue gas and the deacidification agent chemically react to form solid products, particulate matter. Including solid products and dust in primary flue gas, these particles are then intercepted and filtered by the filter cartridge dust collector to generate secondary flue gas. Therefore, the waste pyrolysis treatment system realizes the dry removal of acid gas through the dry acid deacidification agent, avoiding secondary sewage pollution, and can simultaneously remove solid products and dust through the filter cartridge dust collector to achieve high-efficiency removal of acid gas at the same time. and dust to prevent solid products from clogging the pipes. At the same time, a meter and a gas sensor are set up, and the meter can be controlled to adjust the dosage of the deacidification agent according to the concentration of the acid gas. It is beneficial to control the dosage of deacidification agent, ensure the removal rate of acid gas, and avoid wasting deacidification agent at the same time.

In one embodiment, the deacidification agent dosing device includes a deacidification agent storage chamber and a high-pressure injector, and the discharge port of the deacidification agent storage chamber communicates with the air inlet of the filter cartridge dedusting device , the high-pressure injector is communicated with the discharge port of the deacidification agent storage chamber.

In one of the embodiments, the deacidification agent doser further includes a lift pump, the deacidification agent storage chamber includes a first storage chamber and a second storage chamber that communicate with each other, and the first storage chamber is provided with a The feeding port communicated with the outside, the discharge port of the second storage chamber is communicated with the air inlet of the filter cartridge dust removal device, the second storage chamber is communicated with the lift pump, and the lift pump can The deacidification agent in the first storage chamber is lifted to the second storage chamber.

In one embodiment, a discharge funnel is provided at the bottom of the second storage chamber, the discharge port is provided at the bottom of the discharge funnel, and the discharge port is dedusted from the filter cartridge through a first pipe The air inlet of the equipment is communicated with, and the material outlet and the first pipeline are both communicated with the air outlet of the high-pressure blower.

In one embodiment, the waste pyrolysis furnace is a low temperature waste pyrolysis furnace, the temperature in the waste pyrolysis furnace is 240°C to 300°C, and the primary smoke generated by the waste low temperature pyrolysis furnace is The gas includes acid gases, carbon monoxide and tar.

In one embodiment, the waste pyrolysis treatment system further includes a carbon monoxide purification device, the carbon monoxide purification device is used to purify carbon monoxide in the secondary flue gas, and the air inlet of the carbon monoxide purification device is connected to the carbon monoxide purification device. The air outlet of the filter cartridge dust removal device is connected, and the air outlet of the carbon monoxide purification device is used to discharge the treated flue gas into the environment.

In one of the embodiments, the carbon monoxide purification equipment includes a casing and a catalyst, the casing is provided with a accommodating space, and the casing is placed in the waste pyrolysis furnace;

The catalyst is arranged in the accommodating space, and the catalyst is used to catalyze the oxidation of the carbon monoxide into carbon dioxide, and the shell is provided with an air inlet of the carbon monoxide purification device and an outlet of the carbon monoxide purification device. An air port is provided, and both the air inlet of the carbon monoxide purification device and the air outlet of the carbon monoxide purification device are communicated with the accommodating space.

In one of the embodiments, the carbon monoxide purification equipment further includes a burner and a temperature sensor that are electrically connected to each other, the burner is arranged outside the waste pyrolysis furnace, and the casing is provided with a burner that communicates with the accommodating space. a first opening, the outlet of the burner communicates with the first opening, the first opening is arranged between the air inlet of the carbon monoxide purification device and the catalyst, and the temperature sensor is arranged in the waste pyrolysis device outside the furnace, and the test head of the temperature sensor is located in the accommodating space.

In one embodiment, the filter cartridge dedusting device includes a dust removal housing, a filter cartridge and a dust funnel, the filter cartridge is arranged in the dust removal housing, and a filter hole is provided on the side wall of the filter cartridge, and the The axial direction of the filter cartridge is parallel to the air intake direction of the filter cartridge dust removal device, the dust funnel is provided at the bottom of the dust removal shell, and the air inlet of the filter cartridge dust removal device is connected to the filter cartridge and the The area between the dust funnels is communicated, and the air outlet of the filter cartridge dust removal device is communicated with the inner area of the filter cartridge.

In one embodiment, the filter cartridge dedusting device further includes a backwashing device, and the air outlet of the backwashing device is communicated with the air outlet of the filter cartridge dedusting device.

Description of drawings

1 is a schematic structural diagram of a garbage pyrolysis treatment system in an embodiment;

Fig. 2 is the structural representation of deacidification agent doser in one embodiment;

3 is a schematic structural diagram of a filter cartridge dust removal device in an embodiment;

Fig. 4 is the structural representation of carbon monoxide purification equipment in one embodiment;

FIG. 5 is a schematic structural diagram of a waste pyrolysis furnace and carbon monoxide purification equipment in an embodiment.

Reference number: 100, waste pyrolysis treatment system; 10, waste pyrolysis furnace; 11, reaction area; 12, top wall; 13, side wall; 20, deacidification agent doser; 21, first storage room; 22. Second storage room; 23. High-pressure blower; 24. Lift pump; 25. Discharge funnel; 26. Meter; 30. Filter cartridge dust removal equipment; 31. Backwash device; 32. Dust funnel; 33. Dust removal shell; 40, carbon monoxide purification equipment; 41, shell; 42, burner; 43, temperature sensor; 44, intake pipe; 45, outlet pipe; 46, fixed frame; 47, honeycomb carrier; 48, inspection window; 49, sealing plate; 50, chimney.

Detailed ways

In order to make the above objects, features and advantages of the present invention more clearly understood, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed below.

The garbage pyrolysis treatment system 100 in some embodiments will be described in detail below with reference to the figures.

As shown in FIG. 1 , in one embodiment, a waste pyrolysis treatment system 100 is provided. The waste pyrolysis treatment system 100 includes a waste pyrolysis furnace 10, a filter cartridge dust removal device 30, a deacidification agent doser 20, Gauge 26 and gas sensor are electrically connected to each other.

Among them, the garbage pyrolysis furnace 10 is used for pyrolysis of garbage and generates primary flue gas; the filter cartridge dust removal device 30 can filter the particulate matter in the flue gas to generate secondary flue gas. The air outlet of the garbage pyrolysis furnace 10 is connected to the filter cartridge. The air inlet of the dust removal device 30 is connected; the deacidification agent doser 20 is used to provide dry deacidification agent, the deacidification agent is used to absorb the acid gas in the flue gas, and the discharge port of the deacidification agent doser 20 It is communicated with the air inlet of the filter cartridge dedusting device 30; the meter 26 is arranged between the material outlet and the air inlet of the filter cartridge dedusting device 30, and the gas sensor is communicated with the air outlet of the filter cartridge dedusting device 30, and the gas sensor is used for Test for acid gas concentration in secondary flue gas.

In the above-mentioned waste pyrolysis treatment system 100, the deacidification agent doser 20 adds deacidification agent to the air inlet of the filter cartridge dust removal device 30, so that the acid gas in the primary flue gas reacts with the deacidification agent to form a solid state. The particulate matter includes solid products and dust in the primary flue gas, and then these particulate matter is intercepted and filtered by the filter cartridge dust collector together to generate secondary flue gas. Therefore, the waste pyrolysis treatment system 100 realizes the dry removal of acid gas by using a dry deacidification agent to avoid secondary sewage pollution, and can simultaneously remove solid products and dust through the filter cartridge dust collector, achieving simultaneous high-efficiency removal. Acid gases and dust, preventing solid products from clogging pipes.

The acid gas includes SO ₂ , HCl and HF. The acid gas concentration of the secondary flue gas treated by the filter cartridge dedusting device 30 is tested with a gas sensor, and the metering device 26 is controlled to adjust the dosage of the deacidification agent according to the acid gas concentration. It is beneficial to control the dosage of deacidification agent, ensure the removal rate of acid gas, and avoid wasting deacidification agent at the same time.

Specifically, as shown in FIG. 1 and FIG. 2 , in one embodiment, the deacidification agent doser 20 includes a deacidification agent storage chamber and a high-pressure blower 23 , and a discharge port of the deacidification agent storage chamber and a filter cartridge The air inlet of the dust removal device 30 is communicated with, and the air outlet of the high pressure blower 23 is communicated with the material outlet of the deacidification agent storage chamber. The high-pressure blower 23 is used to blow out the deacidification agent under high pressure, and fully mix it with the primary flue gas evenly, which is beneficial to improve the acid gas removal rate.

Specifically, as shown in FIGS. 1 and 2 , in an embodiment, the deacidification agent doser 20 further includes a lift pump 24 , and the deacidification agent storage chamber includes a first storage chamber 21 and a second storage chamber that communicate with each other 22. The first storage chamber 21 is provided with a feeding port that communicates with the outside world, the discharge port of the second storage chamber 22 is communicated with the air inlet of the filter cartridge dust removal device 30, the second storage chamber 22 is communicated with the lift pump 24, and the lift pump 24 can lift the deacidification agent in the first storage chamber 21 to the second storage chamber 22 .

Specifically, as shown in FIGS. 1 and 2 , in one embodiment, a discharge funnel 25 is provided at the bottom of the second storage chamber 22 , and a discharge port is provided at the bottom of the discharge funnel 25 , and the discharge port passes through the first pipeline. It is communicated with the air inlet of the filter cartridge dedusting device 30 , and both the material outlet and the first pipeline are communicated with the air outlet of the high-pressure blower 23 .

In addition, the air outlet of the waste pyrolysis furnace 10 is communicated with the air inlet of the filter cartridge dedusting device 30 through the second pipe, and the outlet of the first pipe is communicated with the middle of the second pipe. That is, the deacidification agent is directly injected into the second pipeline, and the primary flue gas reacts with the deacidification agent in the second pipeline, and then enters the filter cartridge dust removal device 30 for filtration.

Specifically, in one embodiment, the waste pyrolysis furnace 10 is a low temperature waste pyrolysis furnace, the temperature in the waste pyrolysis furnace 10 is 240°C to 300°C, and the primary flue gas generated by the waste thermal low temperature pyrolysis furnace includes acid Gas, carbon monoxide and tar. For the primary flue gas generated by low-temperature pyrolysis, the deacidification agent can also be mixed with tar to form solid products in which the deacidification agent wraps the tar, and these solid products are intercepted by the filter cartridge dust removal device 30 together with the dust. Therefore, the filter cartridge dust removal device 30 cooperates with the deacidification agent to simultaneously remove tar, acid gas and dust in the primary flue gas, preventing the tar from adhering to the pipeline and blocking the waste pyrolysis treatment system 100 .

Specifically, as shown in FIG. 1 , FIG. 4 and FIG. 5 , in one embodiment, the waste pyrolysis treatment system 100 further includes a carbon monoxide purification device 40 , and the carbon monoxide purification device 40 is used to purify carbon monoxide in the secondary flue gas, and carbon monoxide The air inlet of the purification device 40 is communicated with the air outlet of the filter cartridge dust removal device 30, and the air outlet of the carbon monoxide purification device 40 is used to discharge the treated flue gas into the environment.

Specifically, as shown in FIG. 4 , in one embodiment, the carbon monoxide purification device 40 includes a housing 41 and a catalyst, the housing 41 is provided with an accommodation space, and the housing 41 is placed in the waste pyrolysis furnace 10 .

The catalyst is arranged in the accommodating space, and the catalyst is used to catalyze the oxidation of carbon monoxide into carbon dioxide. The housing 41 is provided with an air inlet of the carbon monoxide purification device and an air outlet of the carbon monoxide purification device.

The above-mentioned carbon monoxide purification equipment 40 utilizes a catalyst to process the waste pyrolysis flue gas, and oxidizes carbon monoxide into carbon dioxide, so as to realize the purification of carbon monoxide in the waste pyrolysis flue gas. Since the casing 41 is placed in the waste pyrolysis furnace 10 , the carbon monoxide purification device 40 can directly use the temperature in the waste pyrolysis furnace 10 to heat the catalyst, so that the temperature of the catalyst in the casing 41 can be maintained at the same temperature as the waste pyrolysis furnace 10 . The internal temperature is basically the same, which ensures that the catalyst is always at a better active temperature and effectively improves the purification efficiency of carbon monoxide. At the same time, no additional heating equipment is required to heat the catalyst, which improves the heat utilization efficiency and reduces the operating cost of the waste pyrolysis treatment system 100 .

Specifically, as shown in FIG. 4 and FIG. 5 , in an embodiment, the carbon monoxide purification device 40 further includes a burner 42 and a temperature sensor 43 that are electrically connected to each other. The burner 42 is arranged outside the waste pyrolysis furnace 10, and the casing 41 is provided with a first opening communicating with the accommodating space, the outlet of the burner 42 is communicated with the first opening, the first opening is arranged between the air inlet and the catalyst, and the temperature sensor 43 is arranged outside the refuse pyrolysis furnace 10, and The test head of the temperature sensor 43 is located in the accommodating space. The burner 42 can inject combustion flame, thereby increasing the temperature of the flue gas entering the casing 41 and ensuring that the temperature of the catalyst is kept above the minimum active temperature. The temperature sensor 43 is used to test the temperature of the catalyst in the accommodating space, and will control the switch of the burner 42 through the test temperature, so as to adjust the temperature of the catalyst.

The intake pipe 44 of the burner 42 is inserted into the accommodating space through the top wall 12 and the casing 41 of the waste pyrolysis furnace 10 , and the test head of the temperature sensor 43 passes through the top wall 12 and the casing 41 of the waste pyrolysis furnace 10 . Insert into the holding space. The burner 42 and the temperature sensor 43 are arranged outside the refuse pyrolysis furnace 10 to prevent the burner 42 and the temperature sensor 43 from being damaged by high temperature and to improve the service life of the burner 42 and the temperature sensor 43 .

In this specific embodiment, the shell 41 adopts a high temperature-resistant metal shell 41 to prevent the shell 41 from being damaged by the temperature of the waste pyrolysis furnace 10 .

Specifically, as shown in FIG. 4 and FIG. 5 , in an embodiment, the carbon monoxide purification device 40 further includes a controller, the burner 42 and the temperature sensor 43 are both electrically connected to the controller, and the minimum active temperature of the catalyst is T, when When the detected value of the temperature sensor 43 is less than T, the controller controls the burner 42 to turn on, and when the detected value of the temperature sensor 43 is greater than T, the controller controls the burner 42 to turn off.

In this specific embodiment, the catalyst includes at least one of metal platinum and metal palladium, and the catalyst has an activity temperature of 200°C to 350°C. The minimum active temperature of the catalyst is 200°C. When the detection value of the temperature sensor 43 is less than 200°C, the controller controls the burner 42 to turn on, and when the temperature sensor 43 detects a value greater than 200°C, the controller controls the burner 42 to turn off.

Specifically, as shown in FIG. 4 and FIG. 5 , in one embodiment, the carbon monoxide purification device 40 further includes an air inlet pipe 44 and an air outlet pipe 45 , the casing 41 is a cylindrical casing 41 , and the air inlet pipe 44 passes through the waste pyrolysis The side wall 13 of the furnace 10 is connected to one end of the housing 41 , and the gas outlet pipe 45 is connected to the other end of the housing 41 through the side wall 13 of the refuse pyrolysis furnace 10 . That is, both ends of the casing 41 are fixed on the side wall 13 of the waste pyrolysis furnace 10 through the air inlet pipe 44 and the air outlet pipe 45 . The gas outlet pipe 45 is used for communicating with the inlet of the desulfurization and denitration equipment, and the gas outlet pipe 45 is used for discharging the purified flue gas.

Wherein, the air inlet pipe 44 and the casing 41 are connected by a flange, and the air outlet pipe 45 and the casing 41 are connected by a flange.

Specifically, as shown in FIG. 4 and FIG. 5 , in one embodiment, the casing 41 is located between the top wall 12 of the waste pyrolysis furnace 10 and the reaction area 11 of the waste pyrolysis furnace 10 , and is connected with the casing 41 . The axial direction is arranged parallel to the top wall 12 of the waste pyrolysis furnace 10 . The housing 41 is arranged between the top wall 12 and the reaction area 11 , which can not only ensure that the catalyst in the housing 41 can reach the active temperature, but also not affect the waste pyrolysis reaction of the waste pyrolysis furnace 10 .

Specifically, as shown in FIG. 4 and FIG. 5 , in an embodiment, the carbon monoxide purification device 40 further includes a honeycomb-shaped carrier 47 and a fixed frame 46 , the honeycomb-shaped carrier 47 supports a catalyst, and the honeycomb-shaped carrier 47 is arranged on the fixed frame 46 Inside, the fixing frame 46 is arranged in the accommodating space and connected with the inner wall of the housing 41 , and the fixing frame 46 is arranged between the air inlet of the housing 41 and the air outlet of the housing 41 . The honeycomb carrier 47 is a cordierite honeycomb ceramic carrier, and the catalyst is supported on the honeycomb carrier 47, which can effectively increase the contact area between the catalyst and the flue gas, and increase the residence time of carbon monoxide on the catalyst, thereby improving the conversion rate of carbon monoxide.

The honeycomb-shaped carrier 47 includes a plurality of carrier units, and the plurality of carrier units are sequentially stacked in the fixed frame 46 to form the honeycomb-shaped carrier 47 .

Specifically, in an embodiment, the catalyst includes at least one of metal platinum and metal palladium, and the catalyst has an activity temperature of 200°C to 350°C. At the active temperature, metal platinum and metal palladium can effectively promote the oxidation of carbon monoxide to carbon dioxide, and improve the purification rate of carbon monoxide.

Specifically, as shown in FIGS. 4 and 5 , in one embodiment, an inspection window 48 is provided on the housing 41 , the inspection window 48 faces the catalyst, and a detachable sealing plate 49 is disposed on the inspection window 48 . Access window 48 is used for inspection and replacement of the catalyst.

Specifically, as shown in FIGS. 1 and 3 , in one embodiment, the filter cartridge dust removal device 30 includes a dust removal housing 33 , a filter cartridge and a dust funnel 32 , the filter cartridge is arranged in the dust removal housing 33 , and the side wall 13 of the filter cartridge There are filter holes on it, the axial direction of the filter cartridge is parallel to the air intake direction of the filter cartridge dust removal device 30, the bottom of the dust removal housing 33 is provided with a dust funnel 32, and the air inlet of the filter cartridge dust removal device 30 is connected with the filter cartridge and the dust funnel. The area between the filter cartridges 32 is communicated, and the air outlet of the filter cartridge dust removal device 30 is communicated with the inner area of the filter cartridge. And the air outlet of the filter cartridge dust removal device 30 is arranged at the end of the filter cartridge.

Among them, the temperature of the primary flue gas generated by the waste pyrolysis furnace 10 is 250°C to 300°C, so the filter cartridge is set to be a metal filter cartridge, so as to avoid the excessive temperature of the primary flue gas from damaging the filter cartridge and affecting the filter cartridge dust removal equipment 30 blocking effect.

Specifically, as shown in FIG. 1 and FIG. 3 , in one embodiment, the filter cartridge dedusting device 30 further includes a backwash device 31 , and the air outlet of the backwash device 31 is communicated with the air outlet of the filter cartridge dedusting device 30 .

In this specific embodiment, the air outlet of the filter cartridge dust removal device 30 is provided with a pressure sensor for testing the pressure of the air outlet, and the air inlet of the filter cartridge dust removal device 30 is provided with a pressure sensor for testing the pressure of the air inlet. pressure. Therefore, it can be judged whether the backwashing device 31 needs to be turned on according to the pressure difference between the air outlet and the air inlet of the filter cartridge dust removal device 30, and if the pressure difference is too large, the backwashing device 31 can be turned on for the filter cartridge. The filter hole is flushed with reverse gas to avoid clogging of the filter cartridge.

Specifically, as shown in FIG. 1 , in one embodiment, the waste pyrolysis treatment system 100 further includes a chimney 50 , and the air inlet of the chimney 50 is communicated with the air outlet of the carbon monoxide purification device 40 . An exhaust pump is also provided between the chimney 50 and the carbon monoxide purification device 40 .

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " Back, Left, Right, Vertical, Horizontal, Top, Bottom, Inner, Outer, Clockwise, Counterclockwise, Axial , "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated device or Elements must have a particular orientation, be constructed and operate in a particular orientation and are therefore not to be construed as limitations of the invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise expressly and specifically defined.

In the present invention, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between the two elements, unless otherwise specified limit. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may be in direct contact between the first and second features, or the first and second features indirectly through an intermediary touch. Also, the first feature being "above", "over" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or an intervening element may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for the purpose of illustration only and do not represent the only embodiment.

The technical features of the above embodiments can be combined arbitrarily. In order to make the description simple, all possible combinations of the technical features in the above embodiments are not described. However, as long as there is no contradiction in the combination of these technical features It is considered to be the range described in this specification.

The above examples only represent several embodiments of the present invention, and the descriptions thereof are specific and detailed, but should not be construed as a limitation on the scope of the invention patent. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can also be made, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims (10)

1. A waste pyrolysis treatment system is characterized in that, the waste pyrolysis treatment system comprises: a waste pyrolysis furnace, which is used for pyrolysis of waste and generates primary flue gas; filter cartridge dust removal equipment, the filter cartridge dust removal equipment can filter particulate matter in the flue gas to generate secondary flue gas, and the air outlet of the waste pyrolysis furnace is communicated with the air inlet of the filter cartridge dust removal equipment; The deacidification agent doser is used to provide dry deacidification agent, the deacidification agent is used to absorb the acid gas in the flue gas, and the output of the deacidification agent doser The port is communicated with the air inlet of the filter cartridge dust removal device; A meter and a gas sensor that are electrically connected to each other, the meter is arranged between the discharge port and the air inlet of the filter cartridge dedusting device, and the gas sensor communicates with the air outlet of the filter cartridge dedusting device , the gas sensor is used to test the acid gas concentration in the secondary flue gas. 2 . The waste pyrolysis treatment system according to claim 1 , wherein the deacidification agent dosing device comprises a deacidification agent storage chamber and a high-pressure blower, and a discharge port of the deacidification agent storage chamber. 3 . It is communicated with the air inlet of the filter cartridge dedusting equipment, and the air outlet of the high-pressure sprayer is communicated with the material outlet of the deacidification agent storage chamber. 3 . The waste pyrolysis treatment system according to claim 2 , wherein the deacidification agent doser further comprises a lift pump, and the deacidification agent storage chamber comprises a first storage chamber and a second storage chamber that communicate with each other. 4 . A storage chamber, the first storage chamber is provided with a feeding port that communicates with the outside world, the discharge port of the second storage chamber is communicated with the air inlet of the filter cartridge dust removal device, and the second storage chamber is connected to the A lift pump is in communication, the lift pump capable of lifting the deacidification agent in the first storage chamber to the second storage chamber. 4 . The waste pyrolysis treatment system according to claim 3 , wherein a discharge funnel is provided at the bottom of the second storage chamber, and the discharge port is provided at the bottom of the discharge funnel. 5 . The material port is communicated with the air inlet of the filter cartridge dust removal device through a first pipe, and both the material outlet and the first pipe are communicated with the air outlet of the high-pressure sprayer. 5 . The waste pyrolysis treatment system according to claim 1 , wherein the waste pyrolysis furnace is a waste low temperature pyrolysis furnace, and the temperature in the waste pyrolysis furnace is 240° C. to 300° C. 5 . The primary flue gas produced by the waste low temperature pyrolysis furnace includes acid gas, carbon monoxide and tar. 6 . The waste pyrolysis treatment system according to claim 5 , wherein the waste pyrolysis treatment system further comprises carbon monoxide purification equipment, and the carbon monoxide purification equipment is used for purifying carbon monoxide in the secondary flue gas, 6 . The air inlet of the carbon monoxide purification device is communicated with the air outlet of the filter cartridge dust removal device, and the air outlet of the carbon monoxide purification device is used to discharge the treated flue gas into the environment. 7 . The waste pyrolysis treatment system according to claim 6 , wherein the carbon monoxide purification equipment comprises a housing and a catalyst, the housing is provided with a accommodating space, and the housing is placed on the waste pyrolysis system. 8 . in the furnace; The catalyst is arranged in the accommodating space, and the catalyst is used to catalyze the oxidation of the carbon monoxide into carbon dioxide, and the shell is provided with an air inlet of the carbon monoxide purification device and an air outlet of the carbon monoxide purification device , and the air inlet of the carbon monoxide purification device and the air outlet of the carbon monoxide purification device are both communicated with the accommodating space. 8 . The waste pyrolysis treatment system according to claim 7 , wherein the carbon monoxide purification equipment further comprises a burner and a temperature sensor that are electrically connected to each other, the burner is arranged outside the waste pyrolysis furnace, and the The casing is provided with a first opening that communicates with the accommodating space, the outlet of the burner communicates with the first opening, and the first opening is provided at the air inlet of the carbon monoxide purification device and the catalyst In between, the temperature sensor is arranged outside the refuse pyrolysis furnace, and the test head of the temperature sensor is located in the accommodating space. 9. The garbage pyrolysis treatment system according to any one of claims 1-8, wherein the filter cartridge dedusting equipment comprises a dust removal housing, a filter cartridge and a dust funnel, and the filter cartridge is arranged in the dust removal housing Inside, the side wall of the filter cartridge is provided with filter holes, the axial direction of the filter cartridge is arranged in parallel with the air intake direction of the filter cartridge dust removal equipment, and the dust funnel is provided at the bottom of the dust removal shell, so The air inlet of the filter cartridge dedusting device communicates with the area between the filter cartridge and the dust funnel, and the air outlet of the filter cartridge dedusting device communicates with the inner area of the filter cartridge. 10 . The garbage pyrolysis treatment system according to claim 9 , wherein the filter cartridge dedusting device further comprises a backwashing device, and the air outlet of the backwashing device is communicated with the air outlet of the filter cartridge dedusting device. 11 . .

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