Medical waste incineration treatment system

Abstract

The utility model relates to the technical field of medical waste treatment, and discloses a medical waste incineration treatment system which comprises an incineration treatment production line, and the incineration treatment production line is composed of a feeding mechanism, an incineration mechanism, a waste heat boiler, a composite deacidification tower, a bag type dust collector, a wet deacidification tower and a chimney which are sequentially connected. A dry type quench cooler is integrated on the bag type dust collector, and an air outlet of the dry type quench cooler forms an outlet of the bag type dust collector; the softened water supply system is used for providing cooling water for the incineration mechanism and providing a water source for the waste heat boiler and the composite deacidification tower; and the compressed air supply system is used for providing feeding blowing gas for the composite deacidification tower and providing low-temperature dry gas for the dry quench cooler. The medical waste incineration treatment system has the advantages of being convenient to cool and convenient to supply treatment auxiliary materials.

Description

Technical Field

[0001] The utility model relates to the technical field of medical waste treatment, in particular to a medical waste incineration treatment system. Background Art

[0002] Medical waste, referred to as medical waste, contains a large number of viruses and bacteria, and is a heavily polluted hazardous waste that is extremely harmful to human health and the ecological environment. At present, the main methods for treating medical waste are: incineration, high-temperature sterilization, chemical treatment, microwave radiation, high-temperature decomposition, plasma and electric arc furnace, etc.

[0003] Incineration is one of the mainstream technologies for the treatment and disposal of medical waste. Under high temperature and sufficient oxygen conditions, the organic hydrocarbons in medical waste can be completely burned and incinerated, and eventually turned into ashes. After incineration, medical waste can not only completely kill bacteria, but also transform most of the toxic and harmful organic matter into sterile and harmless inorganic matter. Incineration has the advantages of complete harmlessness, significant reduction (reducing the volume of waste by 90% to 95%), and partial resource utilization.

[0004] At present, common medical waste incineration treatment systems can be found in the utility model patent designed earlier by the applicant with publication number CN217154179U, which includes a feeding device, an incineration device and an exhaust gas treatment device, wherein the feeding device is used to realize automatic feeding of the incineration device, the incineration device is used to realize the incineration of medical waste, and the exhaust gas treatment device is used to realize the purification of incineration flue gas; the exhaust gas treatment device includes a waste heat boiler, a dry quench cooler, a composite deacidification tower, a bag dust collector, a wet deacidification tower and a flue gas heater connected in sequence; a flue gas online monitoring device is also installed on the flue gas discharge end of the wet deacidification tower, and the flue gas online monitoring device is connected to a PLC control box, and the PLC control box controls the connection of the feeding device, the composite deacidification tower, the wet deacidification tower and the flue gas heater.

[0005] This solution is a further optimization of the above-mentioned prior art. Utility Model Content

[0006] The purpose of the utility model is to provide a medical waste incineration treatment system which is convenient for cooling and supplying treatment auxiliary materials, and to at least provide a beneficial choice or create conditions for solving one or more technical problems in the prior art.

[0007] To achieve the above objectives, the utility model adopts the following technical solutions.

[0008] A medical waste incineration treatment system comprises: an incineration treatment production line, which is composed of a feeding mechanism, an incineration mechanism, a waste heat boiler, a composite deacidification tower, a bag dust collector, a wet deacidification tower and a chimney connected in sequence; a dry quencher is integrated on the bag dust collector, and the air outlet of the dry quencher constitutes the outlet of the bag dust collector; a softened water supply system, which provides cooling water for the incineration mechanism and a water source for the waste heat boiler and the composite deacidification tower; a compressed air supply system, which provides feed blowing for the composite deacidification tower and provides low-temperature dry gas for the dry quencher.

[0009] More preferably, the incineration structure includes an incinerator and a secondary combustion chamber, the inlet end of the secondary combustion chamber is connected to the outlet end of the incineration chamber, and cooling chambers for circulating cooling water are respectively provided on the incineration chamber, the secondary combustion chamber, the flue connecting the secondary combustion chamber and the combustion chamber, and the smoke outlet pipe of the secondary combustion chamber.

[0010] More preferably, the softened water supply system comprises a water softener, a soft water tank, a circulating soft water tank and a circulating water cooling tower, the tap water enters the soft water tank after passing through the water softener, the soft water tank provides cooling water for the incineration mechanism, the cooling water flows through the incineration mechanism for heat exchange and enters the circulating soft water tank, the circulating water cooling tower and the circulating soft water tank form a cooling circulation loop for cooling the hot water in the circulating soft water tank; the circulating soft water tank provides cooling water for the incineration mechanism.

[0011] More preferably, a high-level water tank is connected to the circulating soft water tank, and the high-temperature water tank provides cooling water for the incineration mechanism.

[0012] More preferably, the compressed air supply system includes an air compressor, a first air tank, a cold dryer and a second air tank, the air inlet end of the first air tank is connected to the air compressor, one air outlet end of the first air tank is connected to the composite acid removal tower to realize temperature control spraying, the other air outlet end of the first air tank is connected to the air inlet end of the second air tank, and the air outlet end of the second air tank is respectively connected to the instrument system, the activated carbon supply system of the composite acid removal tower and the dry quench cooler on the bag dust collector; the cold dryer is connected between the first air tank and the second air tank, and a coarse filter and a fine filter are respectively provided at the air inlet end and the air outlet end of the cold dryer.

[0013] More preferably, the medical waste incineration treatment system also includes an alkali solution preparation system, which includes a concentrated alkali solution tank, an alkali solution dilution tank and an alkali solution pumping pipeline, the inlet of the alkali solution dilution tank is connected to tap water and the discharge port of the concentrated alkali solution tank, the outlet of the alkali solution dilution tank is connected to the composite acid removal tower through the alkali solution pumping pipeline, and the compressed air supply system is connected to the alkali solution pumping pipeline.

[0014] More preferably, a fuel supply system is connected to the burner of the secondary combustion chamber, and the fuel supply system includes a high-level fuel tank, a fuel filter delivery pipeline and a fuel return pipeline. The fuel filter delivery pipeline is connected between the high-level fuel tank and the oil inlet of the burner, and the fuel return pipeline is connected between the oil return port of the burner and the high-level fuel tank. A fuel filter is provided on the fuel filter delivery pipeline.

[0015] More preferably, a pressure relief pipe is provided on the top of the high-position oil tank, and a flame arrester is connected to the pressure relief pipe.

[0016] More preferably, a slaked lime supply system is connected to the composite acid removal tower, the slaked lime supply system includes a slaked lime tank, a fan and a slaked lime supply pipeline, the fan and the slaked lime supply pipeline are connected to the discharge end of the slaked lime tank, and the fan is used to provide slaked lime supply power.

[0017] More preferably, an activated carbon supply device is connected to the composite acid removal tower, and the activated carbon supply device includes a hopper for storing activated carbon, and the hopper is provided with an arch breaking mechanism, a level meter, a quantitative dosing mechanism and a vent valve; the arch breaking mechanism includes an arch breaking drive and an arch breaking agitator located in the hopper, and the arch breaking agitator rotates to break the arch under the drive of the arch breaking drive; the quantitative dosing mechanism is a screw feeding mechanism; the air outlet end of the vent valve is connected to the quantitative dosing mechanism, and the air inlet end of the vent valve is connected to the compressed air supply system.

[0018] The utility model has at least the following beneficial effects.

[0019] 1. By setting up a softened water supply system and using it to provide cooling water for the incineration mechanism, softened water circulates between the cooling chamber of the incineration mechanism and the softened water supply system during operation, thereby cooling the incineration mechanism and accessories, and avoiding the harm caused by excessive surface temperature of the incinerator and the secondary combustion chamber. Here, using softened water for cooling can also reduce scaling in the cooling chamber, thereby ensuring the cooling effect and reducing the risk of pipeline blockage.

[0020] Second, by setting up a compressed air supply system and using it to provide feed blowing for the composite deacidification tower and provide low-temperature dry gas for the dry quench cooler, it is convenient to handle the transportation of materials, realize dry quenching, and also facilitate the temperature control of the composite deacidification. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 Shown is the general assembly diagram of the medical waste incineration treatment system provided by the utility model.

[0022] Figure 2 Shown is a schematic diagram of the structure of the incineration treatment production line.

[0023] Figure 3 Shown is a schematic diagram of the structure of the incineration cooling system.

[0024] Figure 4 Shown is a schematic structural diagram of the compressed air supply system.

[0025] Figure 5 Shown is a schematic diagram of the structure of the secondary combustion chamber fuel supply system.

[0026] Figure 6 Shown is a schematic structural diagram of an activated carbon supply device.

[0027] Description of Figure Numbers.

[0028] 1-1: feeding mechanism, 1-2: incineration chamber, 1-3: secondary combustion chamber, 1-4: waste heat boiler, 1-5: composite deacidification tower, 1-6: bag filter, 1-7: wet deacidification tower, 1-8: chimney, 1-9: dry quench cooler, 1-10: burner.

[0029] 2-1: Water softener, 2-2: Soft water tank, 2-3: Circulating soft water tank, 2-4: Circulating water cooling tower, 2-5: High-level water tank.

[0030] 3-1: air compressor, 3-2: first air tank, 3-3: cold dryer, 3-4: second air tank, 3-5: coarse filter, 3-6: fine filter.

[0031] 4-1: concentrated alkali solution tank, 4-2: alkali solution dilution tank, 4-3: alkali solution pumping pipeline.

[0032] 5-1: High-position fuel tank, 5-2: Fuel filter delivery pipeline, 5-3: Fuel return pipeline, 5-4: Fuel filter, 5-5: Pressure relief pipe, 5-6: Flame arrester.

[0033] 6-1: Slaked lime tank, 6-2: Fan, 6-3: Slaked lime supply pipeline.

[0034] 7-1: hopper, 7-2: level meter, 7-3: ventilation valve, 7-4: arch breaking drive, 7-5: arch breaking agitator, 7-6: feeding screw, 7-7: feeding drive. DETAILED DESCRIPTION

[0035] The following is a further description of the specific implementation of the utility model in conjunction with the drawings of the specification, so that the technical solution and its beneficial effects of the utility model are clearer and more explicit. The following description of the embodiments with reference to the drawings is exemplary and intended to explain the utility model, and cannot be understood as limiting the utility model.

[0036] Additional aspects and advantages of the present invention will become apparent in the following description or will be understood through practice of the present invention. Example

[0037] Reference Figure 1 , Figure 2 As shown, a medical waste incineration treatment system includes.

[0038] An incineration processing production line, which is composed of a feeding mechanism 1-1, an incineration chamber 1-2, a secondary combustion chamber 1-3, a waste heat boiler 1-4, a composite acid removal tower 1-5, a bag dust collector 1-6, a wet acid removal tower 1-7 and a chimney 1-8 connected in sequence; a dry quench cooler 1-9 is integrated on the bag dust collector 1-6, and an air outlet of the dry quench cooler 1-9 constitutes an outlet of the bag dust collector 5, and the incineration chamber 1-2 and the secondary combustion chamber 1-3 constitute an incineration mechanism.

[0039] A softened water supply system provides cooling water for the incinerator 1-2 and the secondary combustion chamber 1-3, and provides a water source for the waste heat boiler 1-4 and the composite acid removal tower 1-5.

[0040] A compressed air supply system, wherein the compressed air supply system provides feed blowing air for the composite acid removal tower 1-5 and provides low-temperature dry gas for the dry quench cooler 1-9.

[0041] Wherein, the softened water supply system includes a water softener 2-1, a soft water tank 2-2, a circulating soft water tank 2-3 and a circulating water cooling tower 2-4. The tap water enters the soft water tank 2-2 after passing through the water softener 2-1. The soft water tank 2-2 provides cooling water for the incineration mechanism. The cooling water flows through the incineration mechanism for heat exchange and enters the circulating soft water tank 2-3. The circulating water cooling tower 2-4 and the circulating soft water tank 2-3 constitute a cooling circulation loop for cooling the hot water in the circulating soft water tank 2-3. After cooling, the circulating soft water tank 2-3 can also provide cooling water for the incineration mechanism.

[0042] Further preferably, a high-level water tank 2-5 is connected to the circulating soft water tank 2-3, and cooling water can also be provided to the incineration mechanism through the high-temperature water tank 2-5. As for whether to select the soft water tank 2-2, the circulating soft water tank 2-3, or the high-level water tank 2-5 to provide cooling water, it is a conventional choice made by those skilled in the art according to different actual needs, and it is the common technical knowledge mastered by those skilled in the art.

[0043] Combination Figure 3 As shown, the inlet end of the secondary combustion chamber 1-3 is connected to the outlet end of the incineration chamber 1-2, and cooling chambers for circulating cooling water are respectively provided on the incineration chamber 1-2, the secondary combustion chamber 1-3, the flue connecting the secondary combustion chamber 1-3 and the combustion chamber 1-2, and the smoke outlet pipe of the secondary combustion chamber 1-3.

[0044] During operation, softened water circulates between the cooling chamber and the circulating soft water tank, thereby cooling the incineration chamber, secondary combustion chamber and accessories, avoiding the harm caused by excessive surface temperature of the furnace. Here, the benefit of using softened water for cooling is that it can reduce scaling in the cooling chamber, thereby ensuring the cooling effect and reducing the risk of pipeline blockage.

[0045] Combination Figure 4 As shown, the compressed air supply system includes an air compressor 3-1, a first air tank 3-2, a cold dryer 3-3 and a second air tank 3-4, the air inlet end of the first air tank 3-2 is connected to the air compressor 3-1, one air outlet end of the first air tank 3-2 is connected to the composite deacidification tower 1-5 for realizing temperature-adjusting spraying, the other air outlet end of the first air tank 3-2 is connected to the air inlet end of the second air tank 3-4, and the air outlet end of the second air tank 3-4 is respectively connected to the instrument system, the activated carbon supply system of the composite deacidification tower and the dry quench cooler 1-9 on the bag dust collector 1-6; the cold dryer 3-3 is connected between the first air tank 3-2 and the second air tank 3-4, and a coarse filter 3-5 and a fine filter 3-6 are respectively provided at the air inlet end and the air outlet end of the cold dryer 3-3.

[0046] In this embodiment, it is preferred that two air compressors 3-1 are arranged in parallel, one for backup and the other for use, to ensure the normal operation of compressed air. It is preferred that two cold dryers 3-3 are also arranged in parallel, which can not only improve the cooling and drying effect, but also maintain the continued operation of the system through the other cold dryer when one cold dryer fails.

[0047] Recombination Figure 1As shown, the medical waste incineration treatment system also includes an alkali solution preparation system, which includes a concentrated alkali solution tank 4-1, an alkali solution dilution tank 4-2 and an alkali solution pumping pipeline 4-3. The inlet of the alkali solution dilution tank 4-2 is connected to tap water and the discharge port of the concentrated alkali solution tank 4-1, and the outlet of the alkali solution dilution tank is connected to the composite deacidification tower 1-5 through the alkali solution pumping pipeline 4-3. The compressed air supply system is connected to the alkali solution pumping pipeline 4-3 to achieve the effect of spraying temperature control. Furthermore, the compressed air supply system and the softened water supply system are also connected to the connecting channel between the composite deacidification tower 1-5 and the waste heat boiler 4 to provide spray water and compressed air supply for the pipeline. By supplementing the connecting channel with spray water and compressed air supply, a better temperature control effect can be achieved.

[0048] Combination Figure 5 As shown, a fuel supply system is connected to the burner 1-10 of the secondary combustion chamber 1-3, and the fuel supply system includes a high-level fuel tank 5-1, a fuel filter delivery pipeline 5-2 and a fuel return pipeline 5-3. The fuel filter delivery pipeline 5-2 is connected between the high-level fuel tank 5-1 and the oil inlet of the burner 1-10, and the fuel return pipeline 5-3 is connected between the oil return port of the burner 1-10 and the high-level fuel tank 5-1. A fuel filter 5-4 is provided on the fuel filter delivery pipeline 5-2.

[0049] During operation, the fuel (diesel) in the high-level fuel tank 5-1 is delivered to the burner 1-10 through the fuel filter delivery pipeline 5-2, and the excess fuel (diesel) is returned through the fuel return pipeline 5-3 to ensure sufficient and stable supply of fuel, thereby ensuring the combustion effect.

[0050] Furthermore, a pressure relief pipe 5-5 is provided on the top of the high-position oil tank 5-1, and a flame arrester 5-6 is connected to the pressure relief pipe 5-5 to ensure the safety of the high-temperature oil tank 5-1.

[0051] Recombination Figure 1 As shown, a slaked lime supply system is connected to the composite acid removal tower 1-5, and the slaked lime supply system includes a slaked lime tank 6-1, a fan 6-2 and a slaked lime supply pipeline 6-3. The fan 6-2 and the slaked lime supply pipeline 6-3 are connected to the discharge end of the slaked lime tank 6-1, and the fan 6-2 is used to provide slaked lime supply power.

[0052] Combination Figure 6As shown, an activated carbon supply device is connected to the composite deacidification tower 1-5, and the activated carbon supply device includes a hopper 7-1 for storing activated carbon, and the hopper 7-1 is provided with an arch-breaking mechanism, a material level meter 7-2, a quantitative dosing mechanism and a vent valve 7-3; the arch-breaking mechanism includes an arch-breaking drive 7-4 and an arch-breaking agitator 7-5 located in the hopper 7-1, and the arch-breaking agitator 7-5 rotates the arch-breaking activated carbon material under the drive of the power-breaking drive 7-4; the quantitative dosing mechanism is a screw feeding mechanism, including a feeding screw 7-6 and a corresponding feeding drive 7-7; the air outlet end of the vent valve 7-3 is connected to the quantitative dosing mechanism, and the air inlet end of the vent valve 7-3 is connected to the compressed air supply system. By adding a vent valve 7-3 to the activated carbon supply device and taking in air during the feeding process, not only can the transportation of the activated carbon material be better realized, but also a certain composite deacidification and temperature adjustment effect can be achieved, thereby improving the composite deacidification effect.

[0053] It should be noted that the specific structural details of the feeding mechanism 1-1, incineration chamber 1-2, secondary combustion chamber 1-3, waste heat boiler 1-4, composite deacidification tower 1-5, bag filter 1-6, wet deacidification tower 1-7, chimney 1-8 and dry quench cooler 1-9 in the incineration treatment production line are common technical knowledge mastered by technical personnel in this field and will not be repeated here.

[0054] It should also be noted that, in the description of the present invention, directional words such as the terms "center", "lateral", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific scope of protection of the present invention.

[0055] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the definition of "first" and "second" features can explicitly or implicitly include one or more of the features. In the description of the utility model, "at least" means one or more, unless otherwise clearly and specifically defined.

[0056] In the present invention, unless otherwise specified and limited, the terms "assembly", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can also be a mechanical connection; it can be directly connected, or it can be connected through an intermediate medium, or the two elements can be internally connected. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0057] In the utility model, unless otherwise specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "below" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply means that the horizontal height of the first feature is higher than the height of the second feature. A first feature being "above", "below" and "below" a second feature includes that the first feature is directly below or obliquely below the second feature, or simply means that the horizontal height of the first feature is lower than the second feature.

[0058] Through the description of the above structure and principle, those skilled in the art should understand that the present invention is not limited to the above specific implementations. Improvements and substitutions based on the present invention using the known technology in the art fall within the protection scope of the present invention, and the protection scope of the present invention should be defined by the claims and their equivalents. Parts not described in the specific implementations are prior art or common knowledge.

Claims

1. A medical waste incineration treatment system, characterized in that: include: An incineration processing production line, which is composed of a feeding mechanism, an incineration mechanism, a waste heat boiler, a composite deacidification tower, a bag dust collector, a wet deacidification tower and a chimney connected in sequence; a dry quench cooler is integrated on the bag dust collector, and the air outlet of the dry quench cooler constitutes the outlet of the bag dust collector; A softened water supply system, which provides cooling water for the incineration mechanism and provides a water source for the waste heat boiler and the composite acid removal tower; A compressed air supply system provides feed blowing air for the composite acid removal tower and provides low-temperature dry gas for the dry quench cooler.

2. A medical waste incineration treatment system according to claim 1, characterized in that: The incineration mechanism includes an incineration chamber and a secondary combustion chamber, the inlet end of the secondary combustion chamber is connected to the outlet end of the incineration chamber, and cooling chambers for circulating cooling water are respectively provided on the incineration chamber, the secondary combustion chamber, the flue connecting the secondary combustion chamber and the incineration chamber, and the smoke outlet pipe of the secondary combustion chamber.

3. A medical waste incineration treatment system according to claim 1, characterized in that: The softened water supply system comprises a water softener, a soft water tank, a circulating soft water tank and a circulating water cooling tower. The tap water enters the soft water tank after passing through the water softener. The soft water tank provides cooling water for the incineration mechanism. The cooling water flows through the incineration mechanism for heat exchange and enters the circulating soft water tank. The circulating water cooling tower and the circulating soft water tank form a cooling circulation loop for cooling the hot water in the circulating soft water tank. The circulating soft water tank provides cooling water for the incineration mechanism.

4. A medical waste incineration treatment system according to claim 3, characterized in that: The circulating soft water tank is connected with a high-level water tank, and the high-level water tank provides cooling water for the incineration mechanism.

5. A medical waste incineration treatment system according to claim 1, characterized in that: The compressed air supply system includes an air compressor, a first air tank, a cold dryer and a second air tank, the air inlet end of the first air tank is connected to the air compressor, one air outlet end of the first air tank is connected to the composite acid removal tower for realizing temperature-adjusting spraying, the other air outlet end of the first air tank is connected to the air inlet end of the second air tank, and the air outlet end of the second air tank is respectively connected to the instrument system, the activated carbon supply system of the composite acid removal tower and the dry quench cooler on the bag dust collector; the cold dryer is connected between the first air tank and the second air tank, and a coarse filter and a fine filter are respectively provided at the air inlet end and the air outlet end of the cold dryer.

6. A medical waste incineration treatment system according to claim 1, characterized in that: It also includes an alkali solution preparation system, which includes a concentrated alkali solution tank, an alkali solution dilution tank and an alkali solution pumping pipeline, the inlet of the alkali solution dilution tank is connected to tap water and the discharge port of the concentrated alkali solution tank, the outlet of the alkali solution dilution tank is connected to the composite acid removal tower through the alkali solution pumping pipeline, and the compressed air supply system is connected to the alkali solution pumping pipeline.

7. A medical waste incineration treatment system according to claim 2, characterized in that: A fuel supply system is connected to the burner of the secondary combustion chamber, and the fuel supply system includes a high-level fuel tank, a fuel filter delivery pipeline and a fuel return pipeline. The fuel filter delivery pipeline is connected between the high-level fuel tank and the fuel inlet of the burner, and the fuel return pipeline is connected between the oil return port of the burner and the high-level fuel tank. A fuel filter is provided on the fuel filter delivery pipeline.

8. A medical waste incineration treatment system according to claim 7, characterized in that: A pressure relief pipe is arranged on the top of the high position oil tank, and a flame arrester is connected to the pressure relief pipe.

9. A medical waste incineration treatment system according to claim 1, characterized in that: The composite acid removal tower is connected with a slaked lime supply system, which includes a slaked lime tank, a fan and a slaked lime supply pipeline. The fan and the slaked lime supply pipeline are connected to the discharge end of the slaked lime tank, and the fan is used to provide slaked lime supply power.

10. A medical waste incineration treatment system according to claim 1, characterized in that: An activated carbon supply device is connected to the composite acid-removal tower, and the activated carbon supply device includes a hopper for storing activated carbon, and the hopper is provided with an arch-breaking mechanism, a level meter, a quantitative dosing mechanism and a vent valve; the arch-breaking mechanism includes an arch-breaking drive and an arch-breaking agitator located in the hopper, and the arch-breaking agitator rotates to break the arch under the drive of the arch-breaking drive; the quantitative dosing mechanism is a screw feeding mechanism; the air outlet end of the vent valve is connected to the quantitative dosing mechanism, and the air inlet end of the vent valve is connected to the compressed air supply system.

Images