CN109847556B

CN109847556B - Garbage mineralization treatment equipment

Info

Publication number: CN109847556B
Application number: CN201910271427.8A
Authority: CN
Inventors: 薛岩; 邱微
Original assignee: Harbin Gongda Huanneng Technology Co ltd
Current assignee: Harbin Gongda Huanneng Technology Co ltd
Priority date: 2019-04-04
Filing date: 2019-04-04
Publication date: 2024-05-21
Anticipated expiration: 2039-04-04
Also published as: CN109847556A

Abstract

The invention relates to garbage mineralization treatment equipment, which comprises a furnace body, a chimney, a dust fall device, a water washing device and a catalytic device, wherein the furnace body is provided with a water inlet; the middle lower part of the furnace body is provided with a plurality of transverse ventilation pipes and longitudinal ventilation pipes; the dust settling device comprises a screen unit and a turning-back turning unit, wherein the turning-back turning unit is arranged above the screen unit and comprises at least two turning-back plates; the water washing device comprises two water tanks filled with alkaline reaction medicaments, the water tanks are provided with a smoke inlet channel and a smoke outlet channel, the smoke inlet channel extends below the liquid level, the smoke outlet channel is arranged above the liquid level, the smoke outlet channel of one water tank is communicated with the smoke inlet channel of the other water tank through a connecting flue, and the smoke inlet channel and the smoke outlet channel which are not communicated with the connecting flue are respectively communicated with the dust settling device and the catalytic device; the catalytic device comprises a heater and a flue gas catalytic reactor. The equipment adopts a low-temperature mineralization mode to treat garbage and purify the flue gas, has high treatment efficiency and less pollutant generation, and is beneficial to environmental protection.

Description

Garbage mineralization treatment equipment

Technical Field

The invention relates to the technical field of garbage treatment, in particular to garbage mineralization treatment equipment.

Background

At present, garbage in remote areas such as rural areas, scenic spots and the like does not have a systematic and effective treatment mode. Most rural areas are collected in a household mode and burned in open air, and few areas are collected uniformly for landfill treatment. Scenic spot garbage is generally collected uniformly, and is transported to a landfill site for landfill or a garbage power plant for incineration and power generation by a garbage transport vehicle. However, rural garbage landfill systems are imperfect and have insufficient depth, and are close to cultivated lands and villages, so that the rural garbage landfill systems have heavy smell and can cause secondary pollution to the cultivated lands. The scenic spot garbage amount is very large, and in some mountain scenic spots, the garbage is far away from a landfill site or an incineration plant, the cost is high, organic matters such as pericarp meal and the like are very perishable, the unpleasant odor is released, and toxic and harmful gases, especially dioxin, are easy to be discharged when plastic products such as food packaging bags and the like are incinerated.

Accordingly, in view of the above shortcomings, there is a need to provide a waste disposal facility that is easy to handle and has low pollution.

Disclosure of Invention

The invention aims to provide garbage treatment equipment capable of rapidly and effectively treating garbage with low pollution, and solves the problem that the garbage in remote areas such as rural areas and scenic spots is difficult to treat in time in the prior art.

In order to achieve the above purpose, the invention provides a garbage mineralization treatment device, which comprises a furnace body, a chimney, a dust fall device, a water washing device and a catalytic device;

the furnace body comprises an inner layer and an outer layer, and a magnetization layer formed by magnetic ores is arranged between the inner layer and the outer layer; the upper part of the furnace body is provided with a feeding door, the lower part of the furnace body is provided with an ash outlet door, and the bottom of the furnace body is provided with a supporting part protruding downwards;

The middle lower part of the furnace body is provided with a plurality of transverse ventilation pipes and a plurality of longitudinal ventilation pipes; one end of each transverse ventilation pipe is horizontally extended into the inner layer of the furnace body, the other end of each transverse ventilation pipe is arranged on the side surface of the outer layer of the furnace body, a first air regulating door and a first motor connected with the first air regulating door are arranged at the port, and each first motor can respectively drive the connected first air regulating door to move so as to regulate the ventilation quantity of the transverse ventilation pipe; each longitudinal ventilation pipe is arranged at intervals, one end of the pipe body of the longitudinal ventilation pipe vertically extends into the inner layer of the furnace body, a plugging part is arranged at the end part of the pipe body, a plurality of ventilation holes are formed in the side wall of the pipe body, the other end of the pipe body is arranged on the bottom surface of the outer layer of the furnace body, a second air regulating door and a second motor connected with the second air regulating door are arranged at a port, and each second motor can respectively drive the connected second air regulating door to move so as to regulate the ventilation quantity of the longitudinal ventilation pipe;

the chimney is arranged at the top of the furnace body and emits smoke from bottom to top;

The dust settling device is arranged in the chimney and comprises a screen unit and a turning-back convolution unit; the screen unit comprises at least one single screen for filtering the flue gas; the turning-back convolution unit is arranged above the screen unit and comprises at least two turning-back plates, wherein one turning-back plate is arranged on one side of the interior of the chimney, the other turning-back plate is arranged on the other opposite side of the interior of the chimney, and the turning-back plates are arranged at intervals along the smoke outlet direction of the chimney and are inclined towards the smoke outlet direction of the chimney;

The water washing device is arranged outside the chimney and comprises two water tanks filled with alkaline reaction agents; each water tank is provided with a smoke inlet channel and a smoke outlet channel, one end port of the smoke inlet channel extends below the liquid level of the alkaline reaction medicament in the water tank, and one end port of the smoke outlet channel is arranged above the liquid level of the alkaline reaction medicament in the water tank; the smoke outlet channel of one water tank is communicated with the smoke inlet channel of the other water tank through a connecting flue; the smoke inlet channel and the smoke outlet channel which are not communicated with the connecting flue are respectively communicated with the dust settling device and the catalytic device;

The catalytic device is arranged in the chimney and comprises a heater and at least three flue gas catalytic reactors; the heater is arranged below the flue gas catalytic reactor and is used for heating flue gas entering the flue gas catalytic reactor; the flue gas catalytic reactor is internally provided with a porous honeycomb structure and is attached with a catalyst.

Preferably, the system further comprises a sensing system and a controller;

The sensing system comprises one or more of a pressure sensor, a temperature sensor, a humidity sensor, an open fire detector and a smoke detector, is arranged on the furnace body or the chimney, is used for monitoring the mineralization treatment information of the garbage on line in real time and feeds back the mineralization treatment information to the controller;

The controller is electrically connected with the sensing system, each first motor and each second motor, and is used for generating corresponding ventilation control instructions according to external input instructions and/or information fed back by the sensing system and sending the corresponding ventilation control instructions to each corresponding first motor and second motor.

Preferably, the system is further provided with an operating system or an operating platform, and the operating system or the operating platform is electrically connected with the sensing system and the controller and is used for receiving an external input instruction, sending the external input instruction to the controller, receiving and displaying information fed back by the sensing system and/or a control instruction generated by the controller in real time.

Preferably, the pressure sensor, the temperature sensor and the open fire detector are arranged at the middle lower part in the furnace body, the humidity sensor is arranged at the middle upper part in the furnace body, and the smoke detector is arranged at the outlet at the top end of the chimney.

Preferably, the dust settling device is communicated with the water washing device through at least one fan, and the water washing device is communicated with the catalytic device through at least one fan;

the controller is electrically connected with each fan, and is used for generating corresponding fan control instructions according to the information fed back by the sensing system and sending the corresponding fan control instructions to the corresponding fans.

Preferably, the fan is communicated with the dust falling device, the water washing device and the catalytic device through auxiliary smoke pipes.

Preferably, the water washing device further comprises a water mist sprayer, wherein the water mist sprayer is arranged in the furnace body and is communicated with the bottoms of the water tanks of the water washing device through a water pump;

The controller is electrically connected with the water pump, and is used for generating corresponding water pumping control instructions according to the information fed back by the sensing system and sending the corresponding water pumping control instructions to the water pump.

Preferably, the water mist dispenser comprises a plurality of nozzles, and each nozzle is arranged above the inside of the furnace body through a rotating device; the controller is electrically connected with each rotating device, and is used for generating corresponding rotation control instructions according to information fed back by the sensing system and sending the rotation control instructions to the corresponding rotating devices.

Preferably, each transverse ventilation pipe extends into the upper side edge of a pipe body port in the inner layer of the furnace body beyond the lower side edge, and the port is inclined; the sealing parts of the end parts of the longitudinal ventilation pipes extending into the inner layer of the furnace body are upwards protruded and are hemispherical or polygonal.

Preferably, the screen unit of the dust settling device further comprises a screen bracket, each single screen is arranged on the screen bracket, and the side wall of the chimney is provided with an opening for disassembling and assembling the screen bracket; the single screen is a trapezoid plate made of metal, a plurality of screen holes for passing through smoke are formed in the top and the bottom of the trapezoid plate, and the screen holes are uniformly arranged in an array mode; the screen unit comprises a plurality of single screen meshes, the single screen meshes are overlapped in a staggered mode, the bottom of the upper single screen mesh layer corresponds to the top of the lower single screen mesh layer.

The technical scheme of the invention has the following advantages: the invention provides a garbage mineralization treatment device, which adopts a low-temperature mineralization mode to treat garbage, wherein the working temperature is lower than the generation temperature of dioxin, no dioxin is generated in the mineralization process, and the treatment mode is more environment-friendly. The magnetization layer of the equipment forms a magnetic field to magnetize the garbage and the air in the furnace body, so that the cohesive force between garbage molecules is reduced, the heat energy required by garbage pyrolysis is reduced, the magnetized air shuttles between the garbage under the action of molecular motion, the long chain breakage of the molecules in the garbage is accelerated, and the mineralization rate is accelerated. Meanwhile, the transverse ventilation pipe and the longitudinal ventilation pipe are communicated with the air inside and outside the furnace body and ventilate to the furnace body from different positions, so that smooth ventilation of all areas in the furnace body is ensured, ventilation quantity can be regulated as required, the mineralization process can be maintained for a long time, and the full mineralization of garbage is ensured as much as possible.

The flue gas that garbage mineralization process produced is discharged through the chimney from bottom to top, and dust fall device filters the flue gas through screen cloth unit, filters tar and particulate matter, changes the flue gas flow path through turning back the unit of circling round, and the flue gas is turned back the round through several times, and the particulate matter further falls back under the action of gravity, does not continue to rise along with the flue gas. The water washing device carries out secondary water washing on the flue gas, acidic substance gases such as sulfur dioxide, hydrogen sulfide and the like in the flue gas react with alkaline reaction medicaments in the water tank to generate salt and water, and the catalytic device converts harmful gases such as CO, CH, NO _x and the like into harmless CO ₂、H₂ O and N ₂ through oxidation and reduction. The garbage mineralization treatment equipment can systematically and effectively treat garbage, purify the smoke generated in the mineralization process, carry out the whole mineralization process at low temperature, have high treatment efficiency and less pollutant generation, and are beneficial to environmental protection.

Drawings

FIG. 1 is a front view of a refuse mineralization treatment apparatus according to an embodiment of the present invention;

FIG. 2 is a side view of a refuse mineralization treatment apparatus according to an embodiment of the present invention;

FIG. 3 is a side view in half cross section of a furnace body in an embodiment of the present invention;

FIG. 4 is a front sectional view of a furnace body in an embodiment of the present invention;

FIG. 5 is a bottom view of a furnace body in an embodiment of the present invention;

FIG. 6 is a schematic view of a dust settling device according to an embodiment of the present invention;

FIG. 7 is a schematic view of a monolithic screen (partial) structure in accordance with an embodiment of the present invention;

FIG. 8 is a schematic cross-sectional view of a staggered stack of a plurality of the monolithic screens shown in FIG. 7;

FIG. 9 is a front view of a water washing apparatus according to an embodiment of the present invention;

FIG. 10 is a top view of a water washing apparatus according to an embodiment of the present invention;

FIG. 11 is a side view of a water washing apparatus according to an embodiment of the present invention;

FIG. 12 is a schematic view of a catalytic device in accordance with an embodiment of the present invention;

FIG. 13 is a schematic cross-sectional view taken along line A-A of FIG. 12;

fig. 14 is a schematic view of the internal structure of a flue gas catalytic reactor in an embodiment of the present invention.

In the figure: 1: a furnace body; 11: a support part; 12: a transverse ventilation pipe; 121: a first damper; 13: a longitudinal ventilation tube; 131: a vent hole; 132: a blocking part; 133: a second damper; 134: an adjusting hook; 14: magnetic ore; 15: a feed gate; 16: an ash outlet door;

21: a water tank; 22: a smoke inlet channel; 23: a smoke outlet channel; 24: connecting the flue; 25: a water level gauge; 26: a drug addition port; 27: a water pump; 28: a nozzle; 281: a rotating device;

31: a chimney; 32: a monolithic screen; 321: a sieve pore; 33: a screen tray; 331: a sealing part; 34: disassembling and assembling the handle; 35: a return board; 36: a clamping groove; 37: a blower;

41: heating pipes; 42: a flue gas catalytic reactor; 43: a smoke detector.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

As shown in fig. 1 to 14, the garbage mineralization treatment device provided by the embodiment of the invention can be used for mineralizing and treating garbage at a low temperature. As shown in fig. 1 and2, the apparatus includes a furnace body 1, a chimney, a dust-settling device, a water-washing device, and a catalytic device. Wherein, furnace body 1 is bilayer structure, including inlayer and skin, the inside cavity of inlayer for mineralize mineralization rubbish, the skin cover is located outside the inlayer. Fig. 1 and2 show the internal conditions of the refuse mineralization treatment apparatus, with part of the chimney and the furnace body 1 omitted.

As shown in fig. 1 to 5, the outer layer and the inner layer of the furnace body 1 are arranged at intervals, a cavity is formed between the two layers for heat preservation and setting of a magnetization layer, the magnetization layer is composed of magnetic ores 14 and is used for magnetizing garbage and air in the furnace body 1, and the magnetic ores 14 are different from permanent magnets, are not easily affected by the temperature generated by mineralization, can provide a stable magnetic field for a long time, act on the garbage and air in the furnace body 1, accelerate the mineralization rate, and enable the garbage to be rapidly mineralized under the low-temperature condition. Fig. 3 and 4 show the inner condition of the furnace body 1, with part of the inner layer and the outer layer of the furnace body 1 removed, and fig. 5 shows the magnetization layer of the bottom surface, with part of the outer layer of the furnace body 1 removed.

In the treatment process, the garbage is subjected to open fire-free low-temperature mineralization reaction in the furnace body 1, the content in the furnace body 1 can be divided into a garbage layer, a mineralization layer and an ashing layer from top to bottom, the garbage layer is converted into the mineralization layer, the mineralization layer is converted into the ashing layer, and the garbage is changed into ash from the upper layer to the bottom layer, namely, the garbage is mineralized. As shown in fig. 3 and 4, the upper part of the furnace body 1 is provided with a feeding door 15 for inputting garbage to be treated, and the lower part is provided with an ash discharging door 16 for taking out ash residues generated after treatment.

The bottom of the furnace body 1 is provided with a supporting portion 11 protruding downward for supporting the furnace body 1 so that the bottom surface of the furnace body 1 is separated from the ground to ventilate from the bottom surface to the inside of the furnace body 1. A plurality of transverse ventilation pipes 12 and a plurality of longitudinal ventilation pipes 13 are arranged at the middle lower part of the furnace body 1. Each transverse ventilation pipe 12 is arranged at intervals, one end of the pipe body horizontally extends into the inner layer of the furnace body 1, the other end of the pipe body is arranged on the side surface of the outer layer of the furnace body 1, a first air regulating door 121 and a first motor connected with the first air regulating door 121 are arranged at the port, each first motor can respectively drive the connected first air regulating door 121 to move, the port of the transverse ventilation pipe 12 where the first air regulating door 121 is located is shielded or opened, and the ventilation quantity of the corresponding transverse ventilation pipe 12 is regulated. Each longitudinal ventilation pipe 13 is arranged at intervals, one end of the pipe body of the longitudinal ventilation pipe vertically extends into the inner layer of the furnace body 1, the end part of the pipe body is provided with a plugging part 132, the side wall of the pipe body is provided with a plurality of ventilation holes 131, and ventilation with the inner space of the furnace body 1 can be realized through each ventilation hole 131. The other end of each longitudinal ventilation pipe 13 is arranged on the bottom surface of the outer layer of the furnace body 1, a second air regulating door 133 and a second motor connected with the second air regulating door 133 are arranged at the port, each second motor can respectively drive the connected second air regulating door 133 to move, the port of the longitudinal ventilation pipe 13 where the second air regulating door 133 is positioned is shielded or opened, and the ventilation quantity of the longitudinal ventilation pipe 13 is regulated. The transverse ventilation pipes 12 and the longitudinal ventilation pipes 13 ventilate to the inner layer of the furnace body 1 from different positions of the side surface or the bottom surface of the outer layer of the furnace body 1, so that smooth ventilation of all areas in the furnace body 1 in the mineralization process can be ensured, and the ventilation quantity in the furnace body 1 can be adjusted at any time according to specific conditions of the mineralization process.

As shown in fig. 1 and 2, the chimney 31 is arranged at the top of the furnace body 1, and smoke is discharged from bottom to top, i.e. the original smoke discharge direction of the chimney 31 is from bottom to top. The chimney 31 may be integral or segmented.

The dust settling device is provided inside the chimney 31, and includes a screen unit and a turn-back convolution unit. The screen unit comprises at least one single piece screen 32, made of a high temperature resistant metal, such as a stainless steel mesh. The screen unit is arranged inside the chimney 31 and is used for filtering the flue gas discharged from the chimney 31. The specific shape and size of the single screen 32 can be determined according to the shape and size of the chimney 31, the screen unit is preferably arranged at the bottom end of the chimney 31, high-temperature flue gas generated in the mineralization process in the furnace body 1 can be directly treated, particulate matters and tar in the flue gas are filtered, the flue gas is not required to be cooled, adhesion and blockage are not easy to occur, after the single screen 32 is used for a period of time, the single screen 32 can be taken out, and the single screen can be cleaned by soaking and scrubbing with alkaline solution and can be reused.

The turning-back convolution unit is arranged above the screen unit, and the flue gas passing through the screen unit enters the turning-back convolution unit. The turning-back and rotating unit includes at least two turning-back plates 35, as shown in fig. 6, one of the turning-back plates 35 is disposed on one side of the interior of the chimney 31, the other turning-back plate 35 is disposed on the opposite side of the interior of the chimney 31, and the turning-back plates 35 are arranged at intervals along the smoke outlet direction of the chimney 31 and are all inclined to the smoke outlet direction of the chimney 31. After the turning-back and turning-back unit is added, the smoke flow path in the chimney 31 is changed, but the smoke outlet direction here refers to the smoke outlet direction of the chimney itself. Preferably, as shown in fig. 6, one end of each of the turn-back plates 35 is provided at a side wall of the chimney 31, and the other end extends into the chimney 31 beyond a center line of the chimney 31 without contacting the opposite inner wall. The specific shape and dimensions of the return panel 35 can likewise be designed according to the chimney 31. The fold-back plate 35 partitions the internal space of the chimney 31 to form an S-shaped flue gas flow path. The filtered flue gas passes through the turning-back and rotating unit and turns back and rotates to flow, so that the residence time of the flue gas is prolonged, in the process, due to the action of gravity, particles in the flue gas continue to fall back, and the flue gas is not discharged along with the flue gas, so that the emission of the particles can be effectively inhibited, and the purpose of dust fall of the flue gas is achieved.

As shown in fig. 1, the water washing device is provided outside the chimney 31 and communicates with the chimney 31. The water washing device comprises two water tanks 21 containing alkaline reaction agents, wherein the alkaline reaction agents can be prepared by dissolving alkaline substances in water, and the alkaline substances are preferably slaked lime. Both water tanks 21 are made of a corrosion resistant material, preferably stainless steel. The specific dimensions of the water tank 21 may be set according to the flow of flue gases to be treated and are not further defined herein.

As shown in fig. 9 to 11, each water tank 21 is provided with a smoke inlet channel 22 and a smoke outlet channel 23 which are arranged at intervals, one end port of the smoke inlet channel 22 is arranged outside the water tank 21, the other end port of the smoke inlet channel extends below the alkaline reaction reagent liquid level inside the water tank 21, one end port of the smoke outlet channel 23 is arranged above the alkaline reaction reagent liquid level inside the water tank 21, and the other end port of the smoke outlet channel is arranged outside the water tank 21. The port of the smoke outlet channel 23 of one water tank 21 is communicated with the port of the smoke inlet channel 22 of the other water tank 21 through a connecting flue 24. The port of the smoke inlet channel 22 and the port of the smoke outlet channel 23 which are not communicated with the connecting flue 24 are respectively communicated with the dust settling device and the catalytic device. The dust settling device, the water washing device and the catalytic device are arranged, wherein one end of the flue gas flowing in is a flue gas inlet end, one end of the flue gas flowing out is a flue gas outlet end, as shown in fig. 1, a port of a flue gas inlet channel 22 which is not communicated with the connecting flue 24 is the flue gas inlet end of the water washing device, and the flue gas inlet end is communicated with the flue gas outlet end of the dust settling device; the port of the smoke outlet channel 23 which is not communicated with the connecting flue 24 is the smoke outlet end of the water washing device and is communicated with the smoke inlet end of the catalytic device, so that the smoke passing through the dust settling device is led into the water washing device and then into the catalytic device. After the flue gas subjected to dust fall treatment by the dust fall device is introduced into the water washing device, the flue gas enters a water tank 21, acid substance gases such as sulfur dioxide and hydrogen sulfide in the flue gas react with alkaline reaction medicaments in the water tank 21 to generate salt and water, the residual gas is input into the other water tank 21 through a connecting flue 24 and reacts with the alkaline reaction medicaments in the water tank 21 again, secondary water washing is performed, sulfur content is obviously reduced, and emission of sulfides is effectively controlled. Meanwhile, fine particles in the flue gas pass through the water tank 21 and can absorb water to precipitate, the fine particles remain in the alkaline reaction reagent solution, the tar passes through the water tank 21 and the temperature drops to be liquid, and the fine particles also remain in the water tank 21 and cannot be continuously discharged along with the flue gas, so that the purpose of reducing harmful substances in the flue gas is achieved. The washing device has no problems of easy scaling, blockage and the like, and the alkaline reaction agent after washing is easy to take out and convenient to maintain. Because the hot flue gas has a large amount of heat, and the flue gas overflows from the medicament to drive the medicament to move to generate certain heat, the liquid in the water tank can not be frozen even in cold areas in winter, and the liquid is not limited by the temperature of the areas or seasons.

As shown in fig. 1 and 2, the catalytic device is disposed inside the stack 31, preferably at the top of the stack 31, and as shown in fig. 12 to 14, the catalytic device includes a heater and at least three flue gas catalytic reactors 42. Specifically, the heater may employ a plurality of heating tubes 41, the heating tubes 41 extending into the stack 31 for heating the flue gas to a desired temperature for catalysis, for example to 300 ℃, before the flue gas enters the flue gas catalytic reactor 42. As shown in fig. 14, the flue gas catalytic reactor 42 has a porous honeycomb structure, and is attached with a catalyst, which may be platinum, rhodium, palladium, or the like, and is sprayed on the porous honeycomb structure. At least three flue gas catalytic reactors 42 are circumferentially disposed uniformly above the heater. The flue gas heated by the heater enters a flue gas catalytic reactor 42, and the catalyst in the flue gas catalytic reactor 42 enhances the activities of three gases of CO, CH and NO _x to promote oxidation-reduction chemical reaction, wherein CO is oxidized into colorless and nontoxic CO ₂ gas at high temperature; the CH compounds are oxidized into H ₂ O and CO ₂;NO_x at high temperature to be reduced into N ₂ and O ₂, and the three harmful gases are changed into harmless gases, so that the tail gas is purified. And the flue gas subjected to secondary water washing treatment by the water washing device is introduced into the catalytic device, the flue gas introduced into the catalytic device is heated by the heater, and then is subjected to catalytic treatment by the flue gas catalytic reactor, so that harmful substances in the tail gas are further converted, the air pollution caused by smoke discharge in the process of mineralizing garbage is reduced, and the environmental protection is facilitated.

The invention provides garbage mineralization treatment equipment, which can rapidly and effectively treat garbage, after first ignition, the garbage in a furnace body 1 is continuously subjected to low-temperature mineralization by self heat conduction, mineralized ash slag forms an ashing layer at the bottom to play a role in heat preservation, a mineralization layer above the ashing layer is similar to charcoal fire, high heat is generated but open fire is not generated, the garbage is mineralized at a temperature lower than 200 ℃ (no dioxin is generated), the garbage layer is continuously subjected to mineralization, a new mineralization layer is formed by collapse of the garbage layer, and the original mineralization layer is converted into the ashing layer after heat exhaustion with time. Under the condition of sufficient garbage supply, the garbage layer, the mineralization layer and the ashing layer are continuously transformed, and mineralization treatment can be continuously carried out. The garbage is disposed of immediately after coming, and accumulation is not caused; the garbage is mineralized to produce smoke and ash, the smoke reaches the pollution control standard of household garbage incineration GB 18485-2014, the ash reaches the pollution control standard of household garbage landfill GB 16889-2008, the garbage can be directly landfill-treated, garbage percolate is not produced, secondary pollution is not caused to the surrounding environment, and the effects of reducing, harmlessness and recycling the garbage are realized. The equipment has high working efficiency, small occupied area, strong adaptability, no limitation of regions, seasons, weather and the like, can continuously treat organic garbage by self heat without providing a heat source by only one-time ignition under the condition of continuous feeding, is easy to operate and simple to maintain, and can ensure 24-hour operation.

In some preferred embodiments, the refuse mineralization treatment apparatus further comprises a sensing system and a controller. The sensing system comprises one or more of a pressure sensor, a temperature sensor, a humidity sensor, an open fire detector and a smoke detector, and is arranged on the furnace body 1 or the chimney and used for monitoring various information related to the mineralization treatment of the garbage on line in real time and feeding back to the controller. Preferably, a pressure sensor, a temperature sensor and an open fire detector are arranged at the middle lower part in the furnace body 1 and are used for monitoring the pressure and the temperature of the mineralized layer and the ashed layer and whether open fire points exist. Further preferably, the temperature is high when the garbage layer is converted to the mineralized layer, so that open fire points are easily caused by the fact that the local temperature is too high, and the detection positions of the temperature sensor and the open fire detector are preferably arranged near the junction of the garbage layer and the mineralized layer. The humidity sensor is arranged at the middle upper part inside the furnace body 1 and is used for monitoring the whole humidity environment in the furnace body 1. The smoke detector is arranged at the outlet of the top end of the chimney and is used for monitoring smoke exhaust components.

The controller is electrically connected with each sensor, each first motor and each second motor in the sensing system, and is used for generating corresponding ventilation control instructions according to external input instructions and/or information fed back by the sensing system, sending the corresponding ventilation control instructions to each first motor and each second motor, and regulating and controlling the ventilation of each transverse ventilation pipe 12 and each longitudinal ventilation pipe 13. Preferably, the controller is further connected with the heater, and is used for generating corresponding heating control instructions according to information fed back by the sensing system, sending the corresponding heating control instructions to the heater and controlling the working temperature of the heater.

Preferably, the garbage mineralization treatment equipment further comprises an operating system or an operating platform, wherein the operating system or the operating platform is electrically connected with the sensing system and the controller and is used for receiving an external input instruction input by a user, sending the external input instruction to the controller, receiving and displaying information fed back by the sensing system and/or a control instruction generated by the controller in real time. The operating system or console may include an input (e.g., a keyboard) for receiving external input instructions entered by a user, and a display for displaying information fed back by the sensing system and/or control instructions generated by the controller. In the normal running state of the garbage mineralization treatment equipment, the temperature, humidity, pressure, garbage mineralization state in the furnace body 1, and the contents of CO, CH, NO _x, sulfide, particulate matters and the like in the flue gas are transmitted to an operating interface of an operating system or an operating table in real time, so that the conditions of the flue gas emission, dust fall, water washing and catalysis can be monitored in real time, and meanwhile, the data can be stored.

Preferably, the garbage mineralization treatment equipment can be further provided with an alarm system, the alarm system is connected with the controller, when abnormal working indexes of mineralization reaction occur, the controller generates prompt information to prompt a user to operate, for example, when the temperature/humidity of garbage in the furnace body exceeds a limit value, the alarm system can prompt the user to open or close a throttle, for example, the user does not operate, and the controller can also automatically generate instructions to adjust.

Preferably, the sensing system further comprises a material level detector for detecting the height of the content of the furnace body, namely, the reaction degree of the garbage in the furnace body, and if the collapse height of the garbage layer is detected to reach a set position, the alarm system prompts a user to fill so as to continuously carry out mineralization reaction.

Preferably, as shown in fig. 1 and 2, the supporting portion 11 includes at least two i-beams, each of which is disposed in parallel at a spacing. The I-steel has simple structure and small occupied space, and does not influence the layout of other parts.

As shown in fig. 3 to 5, the magnetization layer includes a plurality of block-shaped magnetic ores 14, each of the magnetic ores 14 being provided on the bottom surface and the side surface of the furnace body 1, and being located in a cavity between the outer layer and the inner layer of the furnace body 1. In order to ensure that the garbage is always under the influence of the magnetization effect of a magnetic field in the gradual mineralization process, the low-temperature mineralization efficiency is improved, and magnetizing layers are arranged in the bottom surface area of the furnace body 1 and the area below at least 1/2 of the height of each side surface of the furnace body 1. That is, the magnetization layer covers the bottom surface region of the furnace body 1, and covers at least the middle and lower regions of each side surface, and at least the mineralization layer and the ashing layer are positioned within the magnetic field application range. The magnetic ores 14 in the magnetization layer are preferably provided outside the inner layer of the furnace body 1. Preferably, the individual magnetic ores 14 are arranged in an array, ensuring a uniform distribution of the magnetic field. It is further preferable that each of the magnetic ores 14 in the magnetization layer has a length and a width ranging from 2 to 5cm and a thickness ranging from 1 to 4cm. The cross-sectional shape of the individual magnetic ores 14 is preferably polygonal, such as rectangular, diamond-shaped, or hexagonal, etc.

Preferably, as shown in fig. 3 and 4, the main body of the furnace body 1 is approximately cuboid, four side surfaces, an upper top surface and a lower bottom surface are all formed by adopting steel plates to be welded and connected, the upper top is arched upwards and is in a table-type structure, a chimney is arranged on the center of the upper top surface and is communicated with the inside of the furnace body 1, a feeding door 15 is arranged on the upper top inclined surfaces of the front side and the rear side of the equipment, the upper end of the feeding door is hinged with the furnace body 1 through a fixed shaft, a handle is arranged at the lower end of the feeding door, the feeding door is convenient to open, and a clamping structure is arranged at the joint of the feeding door and the furnace body, so that when garbage is thrown into the furnace, the feeding door 15 is lifted and kept in an open state. The lower parts of the four side surfaces of the furnace body 1 are respectively provided with an ash outlet door 16 close to the bottom surface, one end of the ash outlet door 16 is fixed, and the other end is provided with a handle, so that ash residues can be conveniently taken out.

Preferably, each transverse ventilation pipe 12 and each longitudinal ventilation pipe 13 are arranged in the magnetizing layer coverage area, each transverse ventilation pipe 12 penetrates through the magnetizing layer coverage area on the side face of the furnace body 1, each longitudinal ventilation pipe 13 penetrates through the magnetizing layer coverage area on the bottom face of the furnace body 1, and the height of the pipe extending into the inner layer of the furnace body 1 does not exceed the height of the magnetizing layer coverage area on the side face of the furnace body 1. It is further preferred that the height to which the magnetization layer covering area located at the side of the furnace reaches is 1 to 1.5 times the height of the inner tube of the longitudinal ventilation tube 13 extending into the furnace body 1.

Preferably, as shown in fig. 3 and 4, each of the transverse ventilation pipes 12 extends into the inner layer of the furnace body 1 at a pipe body port, i.e. at an inner port, the upper side edge exceeding the lower side edge, and the port is preferably beveled. The inclined port can avoid the garbage filled in the furnace body 1 from being blocked at the transverse ventilation pipe 12 or leaking out of the furnace body 1 from the transverse ventilation pipe 12.

Preferably, as shown in fig. 3 and 4, the plugging portion 132 of the end portion of the tube of each longitudinal ventilation tube 13 extending into the inner layer of the furnace body 1 is protruded upward, the upwardly protruded plugging portion 132 can prevent the garbage filled into the furnace body 1 from accumulating on the end portion of the longitudinal ventilation tube 13, the plugging portion 132 is preferably hemispherical or polygonal, and the garbage convenient to fill slides from the end portion of the longitudinal ventilation tube 13.

In order to ensure that the air circulation can be realized in the spaces with different heights in the furnace body 1, preferably, the height of each longitudinal ventilation pipe 13 extending into the inner layer of the furnace body 1 is not less than 1/4 of the height of the inner layer of the furnace body 1, and preferably, 1/4-1/2 of the height of the inner layer of the furnace body 1. Preferably, to further enhance the air circulation effect, a plurality of vent holes 131 are uniformly distributed in an array form on the side wall of the duct body on each longitudinal vent pipe 13. The length of the region of each longitudinal ventilation pipe 13 provided with the ventilation holes 131 is preferably not less than 2/3 of the total length thereof to enhance the ventilation effect inside the furnace body 1. It is further preferable that the longitudinal ventilation pipe 13 is not provided with ventilation holes 131 at a height of 1/4 to 1/3 of the height of the bottom surface, so that ash residues on the ashed layer are prevented from leaking out from the respective ventilation holes 131.

The first damper 121 and the second damper 133 may have the same structure or may have different structures. Preferably, as shown in fig. 3 and 4, the first damper 121 is a rotary damper, preferably disposed outside the outer layer of the furnace body 1, and has an upper end hinged to the outer layer of the furnace body 1, and is capable of rotating relative to the port of the transverse ventilation pipe 12 where the first damper is located under the drive of the connected first motor to adjust the size of the ventilation pipe. The rotation is preferably parallel to the plane of the lateral port of the transverse ventilation duct 12, which is easy to achieve, less fragile and more space-saving to be provided on the side wall.

Further preferably, as shown in fig. 5, the second damper 133 is a movable damper, preferably disposed on the inner side or the outer side of the outer layer of the furnace body 1, a pull ring is disposed on the outer side of the second damper 133, an adjusting hook 134 connected with the pull ring is disposed on the bottom of the outer layer of the furnace body 1, each adjusting hook 134 is connected with a corresponding second motor, and the corresponding second damper 133 can be pulled by the pull ring under the driving of the second motor, so as to move relative to the port of the longitudinal ventilation pipe 13 where the second damper is located, and adjust the size of the ventilation pipe. The movable air damper is adopted at the bottom of the outer layer of the furnace body 1, so that the space is saved, the realization is easy, and the damage is not easy to damage.

Preferably, the apparatus comprises N transverse ventilation pipes 12 and n+1 longitudinal ventilation pipes 13, N being a positive integer, N preferably being 2 to 8. As shown in fig. 3 and 4, one of the longitudinal ventilation pipes 13 is disposed at the center of the bottom surface of the furnace body 1, the other N transverse ventilation pipes 12 and N longitudinal ventilation pipes 13 are disposed at intervals around the central longitudinal ventilation pipe 13, and the central longitudinal ventilation pipe 13 has a greater height than the other N longitudinal ventilation pipes 13, and accordingly, the number of ventilation holes 131 in the side walls thereof is also greater, which contributes to the enhancement of ventilation at the center of the furnace body 1. It is further preferred that the height of the centrally located longitudinal ventilation tube 13 is 5/4 to 3/2 of the height of the other longitudinal ventilation tubes 13.

Preferably, the positions of the N transverse ventilation pipes 12 correspond to the positions of the longitudinal ventilation pipes 13 in the area where the ventilation holes 131 are formed, and the height of the transverse ventilation pipes 12 (i.e. the distance from the position of the transverse ventilation pipes to the bottom surface of the furnace body 1) is preferably 1/2 to 2/3 of the height of the longitudinal ventilation pipes 13 arranged at the center, so as to cooperate with each other to enhance the ventilation effect of the mineralized layer area where mineralization is performed in the furnace body 1.

Preferably, N transverse ventilation pipes 12 are respectively arranged corresponding to N longitudinal ventilation pipes 13 which are not arranged at the center, further preferably, as shown in fig. 5, the projection point of the port center on the inner side of each transverse ventilation pipe 12 at the bottom surface of the furnace body 1 is connected with the bottom surface center of the furnace body 1, the projection point of the port center of the longitudinal ventilation pipe 13 corresponding to the transverse ventilation pipe 12 at the bottom surface of the furnace body 1 is connected with the bottom surface center of the furnace body 1, the deflection angle is not more than 15 degrees, particularly, the projection point of the port center on the inner side of the transverse ventilation pipe 12 at the bottom surface of the furnace body 1 is positioned on the extension line of the connection line of the projection point of the port center of the longitudinal ventilation pipe 13 corresponding to the transverse ventilation pipe 12 at the bottom surface of the furnace body 1 and the bottom surface center of the furnace body 1. The corresponding transverse ventilation pipes 12 are matched with the longitudinal ventilation pipes 13, so that multiple circulation is formed in the furnace body 1, and air flow is promoted.

As shown in fig. 1 to 5, in a preferred embodiment, the apparatus comprises four transverse ventilation pipes 12 and five longitudinal ventilation pipes 13, the main body of the furnace body 1 is approximately rectangular, the cross section of the main body is in a chamfer rectangle shape, dead angles which are unfavorable for air flow are avoided at corners of the furnace body 1, the four transverse ventilation pipes 12 are respectively arranged at the four chamfer angles, and the ventilation is carried out from the chamfer angles to the inside of the furnace body 1, so that the area which is unfavorable for air circulation is further reduced.

Preferably, as shown in fig. 1 and 2, the chimney 31 is a tower-shaped structure, preferably divided into an upper part, a middle part and a lower part, the dust settling device is arranged at the lower part, the water washing device is communicated with the lower part and the upper part, and the catalytic device is arranged at the upper part. The middle lower section is rectangular, so that the dust fall device is convenient to install, and the upper section is circular. The outlet above the chimney 31 is preferably provided with a chimney cap, and the chimney cap can shield the outlet above the chimney 31 to avoid falling into sundries, rainwater and the like.

As shown in fig. 6, the screen unit of the dust settling device preferably further includes a screen bracket 33, and each single screen 32 is provided on the screen bracket 33. The single piece screen 32 may be removably secured to the screen carrier 33 by a bayonet arrangement or by bolting. Correspondingly, the side wall of the chimney 31 is provided with an opening for disassembling the screen bracket 33, and the screen bracket 33 can be inserted through the opening on the side wall of the chimney 31, namely, each single screen 32 can be arranged in the chimney 31 through the screen bracket 33. The screen unit can be integrally installed or removed by the screen bracket 33 for cleaning, and the maintenance is more convenient.

Preferably, the single screen 32 is a trapezoid plate made of metal, as shown in fig. 7, the single screen 32 is provided with a plurality of rows of parallel grooves arranged at intervals, the section of the single screen 32 is a trapezoid with continuous arrangement, the top and the bottom of the trapezoid plate are provided with a plurality of holes 321 for passing through smoke, that is, the bottoms of the grooves and the connection parts between two adjacent grooves are provided with holes 321, and the holes 321 are uniformly arranged in an array. When the flue gas passes through the sieve holes 321, large particles in the flue gas are blocked by the sieve holes 321 and fall back under the action of gravity, and tar in the flue gas is adsorbed in the grooves of the trapezoid plates under the action of electrostatic adsorption and is not discharged along with the flue gas, so that the particulate matters and tar in the flue gas are filtered. The specific number and size of the mesh holes 321 and the grooves can be adjusted according to the smoke exhaust condition, and are not further limited herein.

Considering that the filtering effect of one single screen 32 on the flue gas is limited, the filtering effect of the screen unit can be improved by increasing the number of the single screens 32 in the screen unit. Preferably, the screen unit includes a plurality of single screen panels 32, and the plurality of single screen panels 32 are stacked alternately on the screen bracket 33, as shown in fig. 8, in two adjacent single screen panels 32, the bottom of the upper single screen panel 32 corresponds to the top of the lower single screen panel 32, instead of the bottom of the upper single screen panel 32 corresponds to the bottom of the lower single screen panel 32, and the single screen panels 32 may be in contact or may be spaced apart. The plurality of single-piece screens 32 can filter the flue gas for a plurality of times, and the staggered superposition can avoid tar and particulate matters remained by filtration from blocking the screen holes 321, thereby influencing the filtering effect.

Preferably, as shown in fig. 6, a sealing part 331 matching with an opening formed in a side wall of the chimney 31 is arranged at one side end of the screen bracket 33, and by matching the sealing part 331 with the opening, the leakage of the flue gas from the opening can be avoided, and the leakage of the untreated flue gas to the atmosphere can be avoided. The outer side of the sealing portion 331 is preferably provided with a detachable handle 34, and the screen bracket 33 and the single screen 32 can be detached more conveniently by the detachable handle 34. It is further preferred that an asbestos mesh is provided between the sealing portion 331 and the opening in the side wall of the chimney 31.

The number and the size and the shape of the turning plates 35 in the turning and turning unit can be determined by the specific condition of the chimney 31, namely, the smoke discharging requirement, the more the number of the turning plates 35 is, the more times the smoke passes through the turning and turning, and/or the larger the shielding range of the turning plates 35 is, the longer the smoke dust settling time is, and the better the effect of reducing pollutants is. The turn-back convolution unit preferably includes three or more turn-back plates 35, with adjacent two turn-back plates 35 being located on opposite sides of the interior of the chimney 31, i.e., adjacent two turn-back plates 35 are not on the same side.

Preferably, each of the turn-back plates 35 is alternately disposed on opposite sides of the interior of the chimney 31, i.e., adjacent two turn-back plates 35 are disposed on opposite sides, or each of the turn-back plates 35 is disposed along a spiral line within the interior of the chimney 31. Further preferably, when the respective return plates 35 are alternately arranged, the length of the overlapping region of the adjacent two return plates 35 is not less than 1/3 of its own length. When each of the return plates 35 is arranged along a spiral line, the width of the overlapping area of the adjacent two return plates 35 is not less than 1/3 of the width thereof. The overlapping region here refers to a region where the folding plate 35 overlaps when projected in the smoke-exiting direction.

Preferably, the inclination angle of the turning plate 35 relative to the smoke outlet direction of the chimney 31 is 30-70 degrees, and the longer the time that the smoke turns back and flows through the turning-back and rotating unit is, the better the dust settling effect is, but the larger the inclination angle is, so that the particulate matters can fall back below the turning-back and rotating unit, and the particulate matters and tar can be reduced to adhere to the turning-back plate 35.

In order to facilitate the installation of the folding plate 35, preferably, as shown in fig. 6, the folding plate 35 is detachably arranged in the chimney 31 through a clamping groove 36, the clamping groove 36 is arranged on the side wall of the chimney 31, the notch of the clamping groove 36 is inclined towards the smoke outlet direction of the chimney 31, and when in use, one side of the folding plate 35 is inserted into the notch of the clamping groove 36, so that the folding plate 35 can be arranged in the chimney 31.

Preferably, the dust settling device is also provided with heating pipes 41, as shown in fig. 6, each heating pipe 41 is arranged in the turning-back and rotating unit, preferably perpendicular to the smoke outlet direction of the chimney 31, and the substances which are not fully combusted in the smoke are heated for the second time, so that the substances are fully combusted, and the emission of particulate matters is further reduced. The turning-back and rotating unit can prolong the residence time of the flue gas, and the secondary heating can be ensured to be fully carried out in the turning-back and rotating process.

In some preferred embodiments, as shown in fig. 1 and 2, the apparatus further comprises at least two fans 37, wherein the dust-settling device is communicated with the water-washing device through at least one fan 37, and the fans 37 assist the flue gas flowing from the dust-settling device into the water-washing device. The water washing device is communicated with the catalytic device through at least one fan 37, and the fan 37 assists the flue gas to flow into the catalytic device from the water washing device. Preferably, the fan 37 communicates with the dust settling device, the water washing device and the catalytic device through auxiliary smoke pipes. As shown in fig. 1, when two fans 37 are provided, one end of one fan 37 is communicated with the smoke outlet end of the dust settling device through an auxiliary smoke pipe, and the other end of the fan is connected with the smoke inlet end of the water washing device through an auxiliary smoke pipe. One end of the other fan 37 is communicated with the smoke outlet end of the water washing device through an auxiliary smoke pipe, and the other end of the other fan is connected with the smoke inlet end of the catalytic device through an auxiliary smoke pipe.

The controller is electrically connected with each fan 37, and is configured to generate a corresponding fan control instruction according to information fed back by the sensing system, send the corresponding fan control instruction to the corresponding fan 37, control working conditions of each fan 37, and adjust air extraction power of each fan 37 according to flue gas treatment conditions. For example, when the smoke detector 43 detects that the smoke component contains untreated harmful gas, the power of the fan 37 can be reduced, the residence time in the smoke chimney 31 can be prolonged, and the effect of purifying the smoke can be improved.

In some preferred embodiments, the refuse mineralization treatment apparatus further comprises a water mist dispenser provided inside the furnace body 1 and communicating with the bottom of each water tank 21 of the washing device by means of a water pump 27. The controller is electrically connected with each water pump 27, and is configured to generate a corresponding pumping control instruction according to information fed back by the sensing system, for example, the humidity inside the furnace body 1 fed back by the humidity sensor, and send the pumping control instruction to the corresponding water pump 27 to control the working state of the water pump 27. The water pump 27 can convey the alkaline reaction medicament in the water tank 21 to the water mist dispenser, the water mist dispenser sprays the alkaline reaction medicament into the furnace body 1, the humidity in the furnace body 1 is regulated and controlled by the alkaline reaction medicament in the water tank 21, and the medicament after the reaction in the water tank 21 and the sediment produced by the reaction can be timely pumped out, so that the substances such as particulate matters and tar in the smoke are prevented from being deposited in the water tank 21, and the water tank 21 is not required to be cleaned by extra labor.

Preferably, the controller integrates feedback information of the temperature sensor and the humidity sensor in the furnace body 1, controls ventilation quantity and spraying quantity, controls the water pump to spray the liquid medicine into the furnace body until the humidity reaches a threshold value, for example 70%, when the mineralization reaction temperature is detected to be too high, for example, higher than 200 ℃ or the humidity is detected to be too low, and simultaneously closes each first regulating air door and each second regulating air door, reduces the reaction rate, and opens each first regulating air door and each second regulating air door when the mineralization reaction temperature is detected to be too low or the humidity is detected to be too high, so that the reaction rate is improved.

Preferably, the water mist dispenser comprises a plurality of nozzles 28, wherein each nozzle 28 is arranged at different positions above the inside of the furnace body 1, and can be independently operated and closed, and can also be synchronously operated and closed so as to spray liquid to different areas inside the furnace body 1.

Further preferably, each nozzle 28 is rotatably disposed above the furnace body 1 through a rotating device 281, and the controller is electrically connected to each rotating device 281, and is configured to generate a corresponding rotation control instruction according to information fed back by a sensing system, such as temperature fed back by a temperature sensor and/or open fire point information fed back by an open fire detector, and send the rotation control instruction to a corresponding rotating device 281, where each rotating device 281 can rotate alone or synchronously, and the controller controls the corresponding rotating device 281 to drive the nozzle 28 to rotate according to the detection information, so as to spray around the open fire point or a high temperature region in the furnace body, for example, spray over the open fire point in the garbage layer, so that liquid permeates into the open fire point position, and no open fire is generated during mineralization control, and harmful substances are reduced.

Considering that the liquid level of the alkaline reaction agent in the water tank 21 directly affects the effect of flue gas washing, the excessive high liquid level position may cause overflow, and the excessive low liquid level position may reduce the washing effect or even fail, preferably, as shown in fig. 9, each side wall of the water tank 21 is provided with a water level meter 25, and the water level meter 25 is communicated with the inside of the water tank 21 and is used for monitoring the liquid level of the alkaline reaction agent in the water tank 21 in real time, and further preferably, the water level meter 25 is also provided with a warning liquid level for reminding a user to timely add the alkaline reaction agent into the water tank 21.

Preferably, a reagent adding port 26 is provided above each water tank 21 for adding an alkaline reaction reagent to the inside of the water tank 21. In a preferred embodiment, the water washing device further comprises a reagent adding device, the reagent adding device is arranged at the reagent adding port 26 of the water tank 21, the controller is electrically connected with the water level gauges 25 of the two water tanks 21 and the reagent adding port 26, and is used for judging whether to open the corresponding reagent adding port 26 according to the information of whether the liquid level of the alkaline reaction reagent monitored by each water level gauge 25 reaches the warning liquid level, generating corresponding liquid injection control instructions, sending the corresponding liquid injection control instructions to each reagent adding port 26, controlling the opening and closing of the corresponding reagent adding port 26, and injecting the alkaline reaction reagent into the water tank 21 through the reagent adding device.

In order to ensure that the flue gas introduced from the flue gas inlet channels 22 can fully react with the alkaline reaction agent in the water tank 21, preferably, the height of the port of each flue gas inlet channel 22 extending into the water tank 21 is 1/3-2/3 of the height of the alkaline reaction agent liquid level in the water tank 21, and the height of the port of each flue gas inlet channel 22 extending into the water tank 21 is 1/3-2/3 of the height of the water tank 21, and the height of the port of the adjacent flue gas outlet channel 23 arranged in the water tank 21. The distance between the smoke outlet passage 23 and the smoke inlet passage 22 is preferably not less than 1/2 of the length of the water tank 21.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A refuse mineralization treatment device, characterized in that: comprises a furnace body, a chimney, a dust fall device, a water washing device and a catalytic device;

The middle lower part of the furnace body is provided with a plurality of transverse ventilation pipes and a plurality of longitudinal ventilation pipes; one end of each transverse ventilation pipe is horizontally extended into the inner layer of the furnace body, the other end of each transverse ventilation pipe is arranged on the side surface of the outer layer of the furnace body, a first air regulating door and a first motor connected with the first air regulating door are arranged at the port, and each first motor can respectively drive the connected first air regulating door to move so as to regulate the ventilation quantity of the transverse ventilation pipe; each longitudinal ventilation pipe is arranged at intervals, one end of the pipe body of the longitudinal ventilation pipe vertically extends into the inner layer of the furnace body, a plugging part is arranged at the end part of the pipe body, a plurality of ventilation holes are formed in the side wall of the pipe body, the other end of the pipe body is arranged on the bottom surface of the outer layer of the furnace body, a second air regulating door and a second motor connected with the second air regulating door are arranged at a port, and each second motor can respectively drive the connected second air regulating door to move so as to regulate the ventilation quantity of the longitudinal ventilation pipe; the cross section of the furnace body is in a chamfer rectangle, and the four transverse ventilation pipes are respectively arranged at the four chamfer positions;

the dust settling device is arranged in the chimney and comprises a screen unit and a turning-back convolution unit; the screen unit comprises at least one single screen for filtering the flue gas; the turning-back convolution unit is arranged above the screen unit and comprises at least two turning-back plates, wherein one turning-back plate is arranged on one side of the interior of the chimney, the other turning-back plate is arranged on the other opposite side of the interior of the chimney, and the turning-back plates are arranged at intervals along the smoke outlet direction of the chimney and are inclined towards the smoke outlet direction of the chimney; the dust settling device further comprises a plurality of heating pipes, wherein the heating pipes are arranged in the turning-back convolution unit and are perpendicular to the smoke outlet direction of the chimney;

The catalytic device is arranged in the chimney and comprises a heater and at least three flue gas catalytic reactors; the heater is arranged below the flue gas catalytic reactor and is used for heating flue gas entering the flue gas catalytic reactor; the inside of the flue gas catalytic reactor is of a porous honeycomb structure and is attached with a catalyst;

the garbage mineralization treatment equipment also comprises a sensing system and a controller;

the controller is electrically connected with the sensing system, each first motor and each second motor, and is used for generating corresponding ventilation control instructions according to external input instructions and/or information fed back by the sensing system and sending the corresponding ventilation control instructions to each corresponding first motor and second motor;

the pressure sensor, the temperature sensor and the open flame detector are arranged at the middle lower part in the furnace body, the humidity sensor is arranged at the middle upper part in the furnace body, and the smoke detector is arranged at the outlet of the top end of the chimney;

The garbage mineralization treatment equipment further comprises at least two fans, the dust settling device is communicated with the washing device through at least one fan, and the washing device is communicated with the catalytic device through at least one fan;

The controller is electrically connected with each fan, and is used for generating corresponding fan control instructions according to the information fed back by the sensing system and sending the corresponding fan control instructions to the corresponding fans;

the fan is communicated with the dust falling device, the washing device and the catalytic device through auxiliary smoke pipes;

The upper side edge of the port of each transverse ventilation pipe extending into the inner layer of the furnace body exceeds the lower side edge, and the port is inclined; the plugging parts of the end parts of the pipe bodies of the longitudinal ventilation pipes extending into the inner layer of the furnace body are upwards protruded and are hemispherical or polygonal;

The screen unit of the dust fall device further comprises a screen bracket, each single screen is arranged on the screen bracket, and the side wall of the chimney is provided with an opening for disassembling and assembling the screen bracket; the single screen is a trapezoid plate made of metal, a plurality of screen holes for passing through smoke are formed in the top and the bottom of the trapezoid plate, and the screen holes are uniformly arranged in an array mode; the screen unit comprises a plurality of single screen meshes, the single screen meshes are overlapped in a staggered mode, the bottom of the upper single screen mesh layer corresponds to the top of the lower single screen mesh layer.

2. A refuse mineralization treatment apparatus according to claim 1, characterized in that: the system also comprises an operating system or an operating platform, wherein the operating system or the operating platform is electrically connected with the sensing system and the controller and is used for receiving an external input instruction, sending the external input instruction to the controller, receiving and displaying information fed back by the sensing system and/or a control instruction generated by the controller in real time.

3. A refuse mineralization treatment apparatus according to claim 1, characterized in that: the water tank is communicated with the water tank through a water pump;

4. A refuse mineralization treatment apparatus according to claim 3, characterized in that: the water mist dispenser comprises a plurality of nozzles, and each nozzle is arranged above the inside of the furnace body through a rotating device; the controller is electrically connected with each rotating device, and is used for generating corresponding rotation control instructions according to information fed back by the sensing system and sending the rotation control instructions to the corresponding rotating devices.