Mobile skid-mounted medical waste high-temperature pyrolysis incineration treatment equipment and method

Abstract

The invention discloses movable skid-mounted medical waste high-temperature pyrolysis incineration treatment equipment and method. The equipment comprises a vehicle-mounted platform, a feeding assembly, a high-temperature pyrolysis furnace, a flue gas purification assembly and an intelligent control module. The feeding assembly comprises an intelligent mechanical arm, a feeding hopper, a feeding pipe, a feeding screw and a driving motor. The high-temperature pyrolyzing furnace is connected with the feeding pipe; the flue gas purification assembly comprises a desuperheater, and a quenching device, a ceramic fiber purification device, an adsorption box and a chimney which are sequentially connected with the desuperheater, and an induced draft fan is arranged at the joint of the chimney and the adsorption box; the intelligent control module is electrically connected with each electric device; the equipment is reasonable in structural design, auxiliary fuel does not need to be added in the equipment operation process, the operation cost is saved, five types of medical waste can be conveniently treated nearby, and the equipment has the advantages of being continuous, stable, highly intensive, low-nitrogen in combustion, efficient in energy storage, thorough in flue gas purification and high in automation degree.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical waste treatment, in particular to a mobile pry-mounted medical waste high-temperature pyrolysis incineration treatment equipment and method. BACKGROUND

[0002] Medical waste includes not only the five types of medical waste specified in the Medical Waste Classification Catalog, such as infectious, injury, pathological, chemical and drug, but also the household garbage generated by infectious disease patients or suspected infectious disease patients in accordance with the disposal and management of infectious medical waste. Medical waste has the problems of large amount, high dispersion, risk spread, etc. Especially for county-level grassroots medical institutions and various epidemic-related places, the medical waste collection and transportation capacity is poor, the infection risk is high, the disposal level is low, and the management support is weak. The practical problems are highlighted, which poses a huge challenge to the safe disposal and risk prevention and control of medical waste.

[0003] In the prior art, different methods are adopted for incineration of medical waste, which is very inconvenient. First, medical waste needs to be collected and immediately packed, sprayed with disinfectant, and then transported to a medical waste incineration plant for treatment. If not handled in time, it will breed a large number of bacteria and viruses; second, the construction cost of a general incinerator is high, the cycle is long, and the land occupation is large, so there are certain requirements for site construction; third, if classification is not adopted for incineration, solid and liquid waste will be incinerated together, which will not burn completely and will produce residual waste, incomplete waste treatment, and cannot achieve the expected treatment effect, which will also cause secondary pollution. SUMMARY

[0004] In view of the above technical problems, the present application provides a mobile pry-mounted medical waste high-temperature pyrolysis incineration treatment equipment and method.

[0005] The technical scheme of the present application is: a mobile pry-mounted medical waste high-temperature pyrolysis incineration treatment equipment, comprising a vehicle-mounted platform and an upper feeding assembly, a high-temperature pyrolysis furnace, a flue gas purification assembly and an intelligent control module arranged on the vehicle-mounted platform; the upper feeding assembly, the high-temperature pyrolysis furnace and the flue gas purification assembly are connected in sequence; the intelligent control module is electrically connected with the vehicle-mounted platform, the upper feeding assembly, the high-temperature pyrolysis furnace and the flue gas purification assembly arranged on the vehicle-mounted platform; the vehicle-mounted platform comprises a power trolley and a container arranged on the power trolley; an oil-electric dual-supply generator set is arranged inside the container to ensure the free switching of the power supply system and the stability of the power supply of the whole equipment;

[0006] The upper feeding assembly comprises an intelligent manipulator arranged inside the container, a feeding hopper, a feeding pipe arranged at the bottom end of the feeding hopper, a feeding screw rotatably connected inside the feeding pipe and a driving motor arranged on the outer side wall of the feeding pipe and providing power for the feeding screw.

[0007] The high-temperature pyrolysis furnace is connected with the feeding pipe;

[0008] The flue gas purification assembly comprises a desuperheater arranged in the container and connected with the high-temperature pyrolysis furnace, a quenching device connected with the desuperheater in sequence, a ceramic fiber purification device, an adsorption tank and a chimney; the container is internally provided with a process water tank and a lye tank connected with the desuperheater respectively; a first deacidification tank is arranged at the connection between the quenching device and the desuperheater, and a second deacidification tank is arranged at the connection between the quenching device and the ceramic fiber purification device; the container is internally provided with a circulating cooling device connected with the quenching device; an induced draft fan is arranged at the connection between the chimney and the adsorption tank; the chimney adopts a liftable structure, and a CEMS monitoring device is arranged in the chimney, facilitating transportation; the CEMS monitoring device is used for monitoring the flue gas pollutant emission result;

[0009] The intelligent control module is electrically connected with the power trolley, the intelligent manipulator, the driving motor, the ceramic fiber purification device, the circulating cooling device, the induced draft fan and the CEMS monitoring device respectively.

[0010] Further, a rotary baffle is movably hinged at the connection between the feeding pipe and the feeding hopper, a weighing plate is arranged on the upper end surface of the rotary baffle, and a pressure sensor is arranged at the connection between the weighing plate and the rotary baffle; a first hydraulic rod is movably hinged at the inner wall of the feeding pipe and the lower bottom surface of the rotary baffle;

[0011] It is specified that the cooperation of the pressure sensor and the weighing plate is used to quantitatively measure the garbage in the feeding hopper, so as to ensure the continuous uniformity of the feeding in the high-temperature pyrolysis furnace, thereby avoiding the fluctuation of the flue gas volume.

[0012] Further, two crushing rollers are rotatably clamped in the feeding hopper, one end of each of the two crushing rollers penetrates through the feeding hopper and is provided with a connecting gear, and a gear box is arranged on the outer side wall of the feeding hopper and located outside the two connecting gears; a crushing motor is arranged on the outer side wall of the gear box, and the output end of the crushing motor penetrates through the gear box and is provided with a driving gear meshed and connected with the two connecting gears;

[0013] It is specified that the crushing motor is used to drive the driving gear to rotate, and the meshing cooperation between the connecting gear and the driving gear is used to make the two crushing rollers rotate towards each other, so as to crush the medical garbage entering the feeding hopper, and make the pyrolysis efficiency of the medical garbage higher.

[0014] Further, two sealing plates are movably hinged at the inner top of the feeding hopper, a sliding column penetrates through the feeding hopper and is slidably clamped with the feeding hopper on the outer side wall of one end of each of the two sealing plates; a pushing cross beam is slidably clamped with the two sliding columns simultaneously through a guide rod on the outer side wall of the feeding hopper; a second hydraulic rod is arranged on the outer side wall of the feeding hopper and connected with the pushing cross beam;

[0015] Description: By setting the sealing plate in the top of the feed hopper, the second hydraulic rod is used to control the closing and opening of the sealing plate, which avoids the pollution of the pollution gas in the medical waste to the surrounding environment.

[0016] Further, the feeding screw is provided with two feeding screws, and the two feeding screws are horizontally arranged in the feeding pipe and are both shaftless screws.

[0017] Description: By setting two feeding screws, the stability of the medical waste conveying process can be improved, and local obstruction of the medical waste at the feeding end of the feeding pipe can be avoided, thereby improving the continuity of feeding.

[0018] Further, the ceramic fiber purification device comprises a device shell and a plurality of ceramic fiber pipes equidistantly distributed inside the device shell; an end cover is movably connected to the top end of the device shell, and a smoke exhaust pipe connected with the adsorption box is arranged on the end cover; a smoke inlet pipe connected with the quenching device is arranged on the outer sidewall of the device shell; a blocking disc is arranged at the upper end inside the device shell; the bottom end of each ceramic fiber pipe is closed, and the upper end is open; each ceramic fiber pipe penetrates through the blocking disc, and a support framework is arranged inside each ceramic fiber pipe; each ceramic fiber pipe is loaded with a vanadium-titanium catalyst;

[0019] Description: The cooled flue gas enters the inside of the device shell through the smoke inlet pipe, then passes through the sidewall of each ceramic fiber pipe, and is discharged through the top end of the ceramic fiber pipe, and the dust in the flue gas is blocked on the outer wall of the ceramic fiber pipe; at the same time, the vanadium-titanium catalyst is used to remove NO X and dioxin in the flue gas, and the purified flue gas is discharged through the smoke exhaust pipe;

[0020] Further, a mounting grid is arranged at the lower end inside the device shell; a rotating seat located below each ceramic fiber pipe is rotatably connected to the mounting grid, and a plurality of dust removal scrapers located outside the ceramic fiber pipes at corresponding positions are equidistantly distributed on the upper end surface of each rotating seat; a central gear is connected to the bottom end of the rotating seat located at the center position of the mounting grid, and a secondary gear meshing with the central gear is connected to the bottom end of each of the remaining rotating seats, and a first bevel gear is connected to the bottom end of the central gear through a shaft rod; a rotating motor is arranged on the outer sidewall of the device shell, the output end of the rotating motor penetrates through the device shell and is provided with a second bevel gear meshing with the first bevel gear; a cleaning manhole is arranged at the lower end of the outer sidewall of the device shell.

[0021] Description: The second bevel gear is driven to rotate by the rotating motor, the meshing of the second bevel gear and the first bevel gear is used to realize the rotation of the center gear, and the meshing of the secondary gear and the center gear is used to realize the synchronous rotation of each rotating seat. In the rotating process of the rotating seat, the dust attached to the outer wall of the ceramic fiber pipe is scraped off by the dust scraping plate, which is beneficial to improve the service life of the ceramic fiber pipe; and the operation stability of the ceramic fiber purification device is also improved.

[0022] Further, a limiting frame is arranged in the end cover, and a pressing sleeve that abuts against each support framework in one-to-one correspondence is arranged on the lower bottom surface of the limiting frame.

[0023] Description: The pressing sleeve on the limiting frame is used to limit and fix the support framework, so that the flue gas can not escape through the connection between the support framework and the blocking disc, and the use reliability of the ceramic fiber purification device is improved.

[0024] The application also provides a mobile skid-mounted medical waste high-temperature pyrolysis incineration treatment method based on the mobile skid-mounted medical waste high-temperature pyrolysis incineration treatment equipment, and comprises the following steps:

[0025] S1, the equipment is pulled to a medical waste treatment site by a mobile trolley;

[0026] S2, the intelligent manipulator is controlled by the intelligent control module to transfer the medical waste to be treated into the feeding hopper;

[0027] S3, the driving motor is started by the intelligent control module, the feeding screw is driven to rotate by the driving motor, and the medical waste enters the high-temperature pyrolysis furnace through the feeding pipe under the action of the feeding screw for high-temperature pyrolysis;

[0028] S4, the flue gas generated by high-temperature pyrolysis enters the desuperheater under the action of the induced draft fan; according to the concentration of pollutants in the flue gas, the flue gas is cooled by the process water in the process water tank, and the alkali solution in the alkali solution tank is used for neutralization reaction to remove acid; wherein the alkali solution in the alkali solution tank is sodium hydroxide solution with a volume concentration of 15-25%;

[0029] S5, the flue gas after desuperheating enters the quenching device, the deacidification reagent in the primary deacidification tank and the secondary deacidification tank is introduced into the quenching device respectively, and SO2, HCl and HF in the flue gas are removed; the flue gas entering the quenching device is cooled by the circulating cooling equipment; wherein the deacidification reagent in the primary deacidification tank is sodium bicarbonate powder, and the deacidification reagent in the secondary deacidification tank is calcium hydroxide powder;

[0030] S6, the flue gas after deacidification is sequentially subjected to dust removal and purification by the ceramic fiber purification device, and is subjected to adsorption purification by the adsorption tank, and is discharged through the chimney; the adsorption medium in the adsorption tank is activated carbon adsorbent.

[0031] Compared with the prior art, the beneficial effects of the present application are embodied in the following aspects:

[0032] Firstly, the equipment structure of the present application is reasonable in design, and no auxiliary fuel needs to be added during equipment operation, thereby saving operation cost, and the five types of medical waste can be disposed on-site and portably, and the equipment has the advantages of continuous stability, high intensity, low-nitrogen combustion, high energy storage efficiency, complete flue gas purification and high automation degree, thereby supplementing the short board of the in-situ rapid and safe disposal capacity of medical waste in the primary level and epidemic prevention and control scenarios;

[0033] Secondly, the present application adopts a sealed feeding mode to ensure the sealing property of the high-temperature pyrolysis furnace, and the feeding screw is operated in opposite directions by double-shaft shaftless screws, which plays a role in bag breaking of the material, and by quantifying the medical waste entering the high-temperature pyrolysis furnace, the continuous and uniform feeding is ensured to avoid the fluctuation of flue gas volume, thereby providing stable conditions for the pyrolysis reaction and stable operation of the entire system;

[0034] Thirdly, the ceramic fiber purification device of the present application can be cleaned in real time, and the service life of the ceramic fiber tube is prolonged, and the use stability and reliability of the ceramic fiber purification device are improved. BRIEF DESCRIPTION OF DRAWINGS

[0035] Figure 1 is a structural schematic view of the device of the present application;

[0036] Figure 2 is a connection schematic view of the feeding pipe and the feeding hopper of the present application;

[0037] Figure 3 is a connection schematic view of the second hydraulic rod and the pushing beam of the present application;

[0038] Figure 4 is a connection schematic view of the crushing motor and the crushing roller of the present application;

[0039] Figure 5 is a structural schematic view of the flue gas purification assembly of the present application;

[0040] Figure 6 is a structural schematic view of the ceramic fiber purification device of the present application;

[0041] Figure 7 is a connection schematic view of the secondary gear and the central gear of the present application;

[0042] Figure 8 is a distribution diagram of the ash cleaning scraper on the rotating seat of the present application;

[0043] Among them, 1-vehicle platform, 10-power trolley, 11-container, 2-feeding assembly, 20-intelligent robotic arm, 21-feeding hopper, 22-feeding pipe, 220-leachate collection pipe, 23-feeding screw, 24-drive motor, 25-rotating baffle, 250-weighing plate, 251-first hydraulic rod, 26-crushing roller, 260-connecting gear, 261-gearbox, 262-crushing motor, 263-drive gear, 27-sealing plate, 270-sliding column, 271-guide rod, 272-pushing beam, 273-second hydraulic rod, 3-high temperature pyrolysis furnace, 4-flue gas purification assembly, 40-desuperheater, 400-process water tank, 401-alkali tank, 41-emergency 410-Primary deacidification box, 411-Secondary deacidification box, 42-Ceramic fiber purification device, 420-Physical shell, 4200-End cover, 4201-Exhaust pipe, 4202-Inlet pipe, 4203-Manhole for cleaning, 421-Ceramic fiber tube, 422-Blocking plate, 423-Support frame, 424-Installation grid, 425-Rotating seat, 4250-Dust removal scraper, 426-Central gear, 4260-Shaft, 4261-First bevel gear, 427-Secondary gear, 428-Rotating motor, 4280-Second bevel gear, 429-Limiting frame, 4290-Pressure sleeve, 43-Adsorption box, 44-Chimney, 45-Circulating cooling equipment, 46-Exhaust fan. Detailed Implementation

[0044] Example 1

[0045] like Figure 1 The mobile skid-mounted high-temperature pyrolysis incineration equipment for medical waste includes a vehicle-mounted platform 1 and a feeding assembly 2, a high-temperature pyrolysis furnace 3, a flue gas purification assembly 4, and an intelligent control module mounted on the vehicle-mounted platform. The feeding assembly 2, the high-temperature pyrolysis furnace 3, and the flue gas purification assembly 4 are connected sequentially. The intelligent control module is electrically connected to the vehicle-mounted platform 1, the feeding assembly 2, the high-temperature pyrolysis furnace 3, and the flue gas purification assembly 4, respectively. The vehicle-mounted platform 1 includes a power trolley 10 and a container 11 mounted on the power trolley 10. The container 11 is equipped with a dual-power generator set (oil and electricity) to ensure free switching of the power supply system and ensure the stability of the power supply for the entire equipment.

[0046] like Figure 1 , 2 As shown, the feeding assembly 2 includes an intelligent robotic arm 20 installed inside the container 11, a feeding hopper 21, a feeding pipe 22 installed at the bottom of the feeding hopper 21, a feeding screw 23 that is rotatably engaged inside the feeding pipe 22, and a drive motor 24 installed on the outer wall of the feeding pipe 22 and providing power to the feeding screw 23.

[0047] like Figure 1As shown, the high-temperature pyrolysis furnace 3 is connected with the feeding pipe 22;

[0048] As shown in the drawings, Figure 5 As shown, the flue gas purification assembly 4 includes a desuperheater 40 arranged inside the container 11 and connected with the high-temperature pyrolysis furnace 3, a quenching device 41 connected with the desuperheater 40 in sequence, a ceramic fiber purification device 42, an adsorption tank 43 and a chimney 44; the container 11 is internally provided with a process water tank 400 and an alkali tank 401 connected with the desuperheater 40 respectively; a first-stage deacidification tank 410 is arranged at the connection between the quenching device 41 and the desuperheater 40, and a second-stage deacidification tank 411 is arranged at the connection between the quenching device 41 and the ceramic fiber purification device 42; the container 11 is internally provided with a circulating cooling device 45 connected with the quenching device 41; the chimney 44 is provided with an induced draft fan 46 at the connection with the adsorption tank 43; the chimney 11 adopts a liftable structure for facilitating transportation; the chimney 11 is internally provided with a CEMS monitoring device for monitoring the flue gas pollutant emission results;

[0049] As shown in the drawings, Figure 1 The intelligent control module is electrically connected with the power trolley 10, the intelligent manipulator 20, the driving motor 25, the ceramic fiber purification device 42, the circulating cooling device 44, the induced draft fan 45 and the CEMS monitoring device respectively.

[0050] Embodiment 2

[0051] This embodiment describes a mobile pry-mounted medical waste high-temperature pyrolysis incineration treatment equipment, based on a mobile pry-mounted medical waste high-temperature pyrolysis incineration treatment method of embodiment 1, comprising the following steps:

[0052] S1, the equipment is pulled to the medical waste treatment site by the mobile trolley 10;

[0053] S2, the intelligent manipulator 20 is controlled by the intelligent control module to transfer the medical waste to be treated to the inside of the feeding hopper 21;

[0054] S3, the driving motor 24 is started by the intelligent control module, the feeding screw 23 is rotated by the driving motor 24, and the medical waste enters the high-temperature pyrolysis furnace 3 through the feeding pipe 22 under the action of the feeding screw 23 for high-temperature pyrolysis;

[0055] S4, the flue gas generated by high-temperature pyrolysis enters the inside of the desuperheater 40 under the action of the induced draft fan 46; according to the concentration of pollutants in the flue gas, the flue gas is cooled by the process water in the process water tank 400, and the alkali solution in the alkali tank 401 is used for neutralization reaction to remove acid; wherein the alkali solution in the alkali tank 401 is a sodium hydroxide solution with a volume concentration of 15%;

[0056] S5, the flue gas after temperature reduction enters the inside of the quenching device 41, and the inside of the first deacidification tank 410 and the inside of the second deacidification tank 411 are respectively connected to the quenching device 41, so as to remove SO2, HCl, HF and other acidic pollutants in the flue gas; the circulating cooling equipment 45 is used for cooling treatment of the flue gas entering the quenching device 41; wherein the inside of the first deacidification tank 410 is sodium bicarbonate powder, and the inside of the second deacidification tank 411 is calcium hydroxide powder;

[0057] S6, the flue gas after deacidification is sequentially subjected to dust removal and purification by the ceramic fiber purification device 42, and adsorption purification by the adsorption tank 43, and is discharged through the chimney 44; the adsorption medium in the adsorption tank 43 is activated carbon adsorbent (commercial product).

[0058] Example 3

[0059] The difference between this embodiment and example 1 is that:

[0060] As shown in Figure 2 , the rotating baffle 25 is movably hinged at the connection between the feed pipe 22 and the feed hopper 21, the upper end surface of the rotating baffle 25 is provided with a weighing plate 250, and the connection between the weighing plate 250 and the rotating baffle 25 is provided with a pressure sensor; the lower bottom surface of the rotating baffle 25 is movably hinged with the first hydraulic rod 251 movably hinged with the inner wall of the feed pipe 22; the cooperation of the pressure sensor and the weighing plate 250 is used for quantitative feeding of the garbage in the feed hopper 21, which can ensure the continuous uniformity of the feed in the high-temperature pyrolysis furnace 3, so as to avoid the fluctuation of flue gas volume.

[0061] Example 4

[0062] The difference between this embodiment and example 3 is that:

[0063] As shown in Figure 2 , 3 , 4, two crushing rollers 26 are rotatably clamped in the feed hopper 21, one end of each of the two crushing rollers 26 penetrates the feed hopper 21, and each is provided with a connecting gear 260, and a gear box 261 is arranged outside the two connecting gears 260 on the outer side wall of the feed hopper 21; a crushing motor 262 is arranged on the outer side wall of the gear box 261, the output end of the crushing motor 262 penetrates the gear box 261 and is provided with a driving gear 263 which is engaged with the two connecting gears 260; the driving gear 263 is driven to rotate by the crushing motor 262, and the two crushing rollers 26 are driven to rotate towards each other by the meshing action of the connecting gears 260 and the driving gear 263, so as to crush the medical waste entering the feed hopper 21, so as to make the pyrolysis efficiency of the medical waste higher.

[0064] Example 5

[0065] The difference between this embodiment and example 4 is that:

[0066] As shown in Figure 2 , 3 , two sealing plates 27 are movably hinged on the inner top of the feeding hopper 21, and the outer side wall of the end of the two sealing plates 27 close to each other is provided with a sliding column 270 penetrating through the feeding hopper 21 and slidingly connected with the feeding hopper 21; a pushing cross beam 272 is slidingly connected with the outer side wall of the feeding hopper 21 through a guide rod 271 and is slidingly connected with the two sliding columns 270; a second hydraulic rod 273 is arranged on the outer side wall of the feeding hopper 21 and connected with the pushing cross beam 272; two feeding screws 23 are arranged horizontally and side by side inside the feeding pipe 22, and both of the two feeding screws 23 are shaftless screws; a leachate collecting pipe 220 is arranged on the lower bottom surface of the feeding pipe 22; by arranging the sealing plates 27 on the inner top of the feeding hopper 21 and controlling the closing and opening of the sealing plates 27 by the second hydraulic rod 273, the pollution of the surrounding environment by the polluted gas in the medical waste is avoided.

[0067] Embodiment 6

[0068] The difference between this embodiment and embodiment 5 is:

[0069] As shown in Figure 6 , 8 , the ceramic fiber purification device 42 comprises a device shell 420 and six ceramic fiber pipes 421 equidistantly arranged inside the device shell 420; an end cover 4200 is movably connected to the top end of the device shell 420, and the end cover 4200 is provided with an exhaust pipe 4201 connected with the adsorption tank 43; an exhaust pipe 4202 connected with the quenching device 41 is arranged on the outer side wall of the device shell 420; a blocking disc 422 is arranged on the inner top of the device shell 420; the bottom end of each ceramic fiber pipe 421 is closed, and the upper end is open; each ceramic fiber pipe 421 penetrates through the blocking disc 422, and a support framework 423 is arranged inside each ceramic fiber pipe 421; each ceramic fiber pipe 421 is loaded with a vanadium-titanium catalyst; the cooled flue gas enters the inside of the device shell 420 through the exhaust pipe 4202, then penetrates through the side wall of each ceramic fiber pipe 421, and is discharged through the top end of the ceramic fiber pipe 421, the dust in the flue gas is blocked on the outer wall of the ceramic fiber pipe 421, and the vanadium-titanium catalyst is used to remove dioxin and nitrogen oxides in the flue gas; the purified flue gas is discharged through the exhaust pipe 4201.

[0070] Embodiment 7

[0071] The difference between this embodiment and embodiment 6 is:

[0072] As shown in Figure 6 , 7As shown in Figure 8, a mounting frame 424 is provided at the lower end of the device housing 420. A rotating seat 425 located below each ceramic fiber tube 421 is rotatably engaged on the mounting frame 424. Six cleaning scrapers 4250, located at corresponding positions outside the ceramic fiber tubes 421, are equidistantly distributed on the upper surface of each rotating seat 425. A central gear 426 is connected to the bottom of the rotating seat 425 located at the center of the mounting frame 424. The bottoms of the other rotating seats 425 are connected to secondary gears 427 that mesh with the central gear 426. The bottom of the central gear 426 is connected to a first bevel gear 4261 via a shaft 4260. A rotary motor 428 is provided on the outer wall of the device housing 420. The output end of the rotary motor 428... A second bevel gear 4280 is provided through the housing 420 and meshes with the first bevel gear 4261; a cleaning manhole 4203 is provided at the lower end of the outer wall of the housing 420; the second bevel gear 4280 is driven to rotate by a rotary motor 428, and the rotation of the central gear 426 is achieved by the meshing of the second bevel gear 4280 with the first bevel gear 4261; the synchronous rotation of each rotating seat 425 is achieved by the meshing of the auxiliary gear 427 with the central gear 426. During the rotation of the rotating seat 425, the dust adhering to the outer wall of the ceramic fiber tube 421 is scraped off by the dust removal scraper 4250, which helps to improve the service life of the ceramic fiber tube 421; at the same time, it also improves the operational stability of the ceramic fiber purification device 42.

[0073] Example 8

[0074] The difference between this embodiment and embodiment 7 is that:

[0075] like Figure 6 As shown, a limiting frame 429 is provided inside the end cover 4200. The bottom surface of the limiting frame 429 is provided with a clamping sleeve 4290 that abuts against each of the support frames 423. By using the clamping sleeve 4290 on the limiting frame 429 to limit and fix the support frame 423, the flue gas can be prevented from escaping through the connection between the support frame 423 and the baffle plate 422, thus improving the reliability of the ceramic fiber purification device 42.

[0076] Example 9

[0077] This embodiment describes a mobile skid-mounted high-temperature pyrolysis incineration method for treating medical waste, based on a mobile skid-mounted high-temperature pyrolysis incineration equipment for treating medical waste according to Embodiment 8, including the following steps:

[0078] S1. The equipment is towed to the medical waste disposal site by the mobile trolley 10;

[0079] S2, the second hydraulic rod 273 and the crushing motor 262 are started by the intelligent control module, the second hydraulic rod 273 drives the push beam 272 to move downwards along the guide rod 271, at this time, the two sealing plates 27 slide along the inner wall of the feed hopper 21 to open; then the intelligent manipulator 20 transfers the medical waste to be processed to the inside of the feed hopper 21, the crushing roller 26 rotates under the driving action of the crushing motor 262, and the medical waste is crushed, the crushed medical waste falls onto the upper end of the weighing plate 250, the weight of the medical waste is sensed by the pressure sensor, when the filling amount of the medical waste reaches the set value, the first hydraulic rod 251 is started by the intelligent control module, the first hydraulic rod 251 drives the rotary baffle 25 to rotate, and then the crushed medical waste enters the inside of the feed pipe 22;

[0080] S3, the drive motor 24 is started by the intelligent control module, the feed screw 23 is driven to rotate by the drive motor 24, and the medical waste enters the high-temperature pyrolysis furnace 3 under the action of the feed screw 23 and is subjected to high-temperature pyrolysis;

[0081] S4, the flue gas generated by high-temperature pyrolysis enters the desuperheater 40 under the action of the induced draft fan 46; according to the concentration of pollutants in the flue gas, the flue gas is cooled by the process water in the process water tank 400, and the alkali solution in the alkali solution tank 401 is used for neutralization reaction to remove acid; wherein the alkali solution in the alkali solution tank 401 is a sodium hydroxide solution with a volume concentration of 25%;

[0082] S5, the flue gas after temperature reduction enters the quenching device 41, the deacidification reagent in the first deacidification tank 410 and the second deacidification tank 411 is introduced into the quenching device 41 respectively, and SO2, HCl and HF in the flue gas are removed; the flue gas entering the quenching device 41 is cooled by the circulating cooling equipment 45; wherein the deacidification reagent in the first deacidification tank 410 is sodium bicarbonate powder, and the deacidification reagent in the second deacidification tank 411 is calcium hydroxide powder;

[0083] S6, the flue gas after deacidification enters the device shell 420 through the smoke inlet pipe 4202, then passes through the side wall of each ceramic fiber pipe 421, and is discharged through the top end of the ceramic fiber pipe 421, the dust in the flue gas is blocked on the outer wall of the ceramic fiber pipe 421, and the vanadium-titanium catalyst loaded on the ceramic fiber pipe 421 is used to remove dioxin and nitrogen oxides in the flue gas; the purified flue gas enters the adsorption box 43 through the smoke exhaust pipe 4201, and the adsorption medium in the adsorption box 43 is used to adsorb and purify the flue gas, and the purified flue gas is finally discharged through the chimney 44; the adsorption medium in the adsorption box 43 is activated carbon adsorbent; after the ceramic fiber pipe 421 is used for a certain period of time, the second bevel gear 4280 is driven to rotate by the rotary motor 428, the meshing of the second bevel gear 4280 and the first bevel gear 4261 is used to rotate the center gear 426, the meshing of the pinion 427 and the center gear 426 is used to realize the synchronous rotation of each rotating seat 425, and the dust attached to the outer wall of the ceramic fiber pipe 421 is scraped off during the rotation of the rotating seat 425,

[0084] It should be noted that the power trolley 10, the intelligent mechanical arm 20, the driving motor 24, the pressure sensor, the first hydraulic rod 251, the crushing motor 262, the second hydraulic rod 273, the high-temperature pyrolysis furnace 3, the desuperheater 40, the quenching device 41, the rotary motor 428, the circulating cooling equipment 45, the induced draft fan 46, the CEMS monitoring device and the intelligent control module used in the present application all adopt existing technologies, and no special limitation is made here, and those skilled in the art can select the corresponding products according to actual needs.

Claims

1. A mobile skid-mounted medical waste pyrolysis incineration treatment equipment, characterized in that, Including vehicle-mounted platform (1) and set on the vehicle-mounted platform on the feeding assembly (2), high temperature pyrolysis furnace (3), flue gas purification assembly (4) and intelligent control module;The feeding assembly (2), high temperature pyrolysis furnace (3), flue gas purification assembly (4) are sequentially connected;The vehicle-mounted platform (1) includes a power trolley (10) and a container (11) arranged on the power trolley (10); The feeding assembly (2) includes an intelligent manipulator (20) arranged inside the container (11), a feed hopper (21), a feed pipe (22) arranged at the bottom end of the feed hopper (21), a feed screw (23) rotatably connected inside the feed pipe (22), and a drive motor (24) arranged on the outer side wall of the feed pipe (22) and providing power for the feed screw (23). The high temperature pyrolysis furnace (3) is connected with the feed pipe (22). The flue gas purification assembly (4) includes a desuperheater (40) arranged inside the container (11) and connected with the high temperature pyrolysis furnace (3), a quenching device (41), a ceramic fiber purification device (42), an adsorption tank (43) and a chimney (44) connected with the desuperheater (40) in sequence;A process water tank (400) and an alkali tank (401) are arranged inside the container (11) and connected with the desuperheater (40) respectively;A first-stage deacidification tank (410) is arranged at the connection between the quenching device (41) and the desuperheater (40), and a second-stage deacidification tank (411) is arranged at the connection between the quenching device (41) and the ceramic fiber purification device (42);A circulating cooling device (45) is arranged inside the container (11) and connected with the quenching device (41);An induced draft fan (46) is arranged at the connection between the chimney (44) and the adsorption tank (43). The intelligent control module is electrically connected with the power trolley (10), the intelligent manipulator (20), the drive motor (25), the ceramic fiber purification device (42), the circulating cooling device (44) and the induced draft fan (45) respectively.

2. The mobile skid-mounted medical waste pyrolysis incineration treatment equipment according to claim 1, characterized in that, A rotary baffle (25) is movably hinged at the connection between the feed pipe (22) and the feed hopper (21), a weighing plate (250) is arranged on the upper end surface of the rotary baffle (25), and a pressure sensor is arranged at the connection between the weighing plate (250) and the rotary baffle (25). A first hydraulic rod (251) movably hinged with the inner wall of the feed pipe (22) is movably hinged on the lower bottom surface of the rotary baffle (25).

3. The mobile skid-mounted medical waste pyrolysis incineration treatment equipment according to claim 1, characterized in that, Two crushing rollers (26) are rotatably connected inside the feed hopper (21), one end of each of the two crushing rollers (26) penetrates the feed hopper (21), and each is provided with a connecting gear (260). A gear box (261) is arranged on the outer side wall of the feed hopper (21) and located outside the two connecting gears (260);A crushing motor (262) is arranged on the outer side wall of the gear box (261), the output end of the crushing motor (262) penetrates the gear box (261) and is provided with a drive gear (263) engaged with the two connecting gears (260).

4. The mobile skid-mounted medical waste pyrolysis incineration treatment equipment according to claim 1, characterized in that, Two sealing plates (27) are movably hinged at the top of the feeding hopper (21), the outer side wall of the end of the two sealing plates (27) close to each other is provided with a sliding column (270) penetrating the feeding hopper (21) and being in sliding connection with the feeding hopper (21); the outer side wall of the feeding hopper (21) is in sliding connection with a guide rod (271) and is provided with a pushing beam (272) in sliding connection with the two sliding columns (270); the outer side wall of the feeding hopper (21) is provided with a second hydraulic rod (273) connected with the pushing beam (272).

5. The mobile skid-mounted medical waste pyrolysis incineration treatment equipment according to claim 1, characterized in that, The ceramic fiber purification device (42) comprises a device shell (420) and a plurality of ceramic fiber tubes (421) equidistantly distributed inside the device shell (420); the top end of the device shell (420) is movably connected with an end cover (4200), the end cover (4200) is provided with a smoke exhaust pipe (4201) connected with the adsorption box (43); the outer side wall of the device shell (420) is provided with a smoke inlet pipe (4202) connected with the quenching device (41); the inside of the device shell (420) is provided with a blocking disc (422) at the upper end; the bottom end of each ceramic fiber tube (421) is closed, and the upper end is open; each ceramic fiber tube (421) penetrates the blocking disc (422), and each ceramic fiber tube (421) is provided with a support framework (423) inside.

6. The mobile skid-mounted medical waste pyrolysis incineration treatment equipment according to claim 5, characterized in that, The bottom end of the device shell (420) is provided with a mounting grid (424); the mounting grid (424) is rotatably connected with a rotating seat (425) below each ceramic fiber tube (421), and the upper end surface of each rotating seat (425) is equidistantly provided with a plurality of dust removal scrapers (4250) outside the ceramic fiber tubes (421) at the corresponding positions; the bottom end of the rotating seat (425) at the center position of the mounting grid (424) is connected with a central gear (426), the bottom end of each rotating seat (425) is connected with a pinion (427) meshingly connected with the central gear (426), and the bottom end of the central gear (426) is connected with a first bevel gear (4261) through a shaft (4260); the outer side wall of the device shell (420) is provided with a rotating motor (428), the output end of the rotating motor (428) penetrates the device shell (420) and is provided with a second bevel gear (4280) meshingly connected with the first bevel gear (4261); the outer side wall of the device shell (420) is provided with a cleaning manhole (4203) at the bottom end.

7. A mobile skid-mounted medical waste high-temperature pyrolysis incineration treatment method based on the mobile skid-mounted medical waste high-temperature pyrolysis incineration treatment equipment of claim 1, characterized in that, The method comprises the following steps: S1, the equipment is towed to the medical waste treatment site by the moving trolley (10); S2, the intelligent manipulator (20) is controlled by the intelligent control module to transfer the medical waste to be treated to the inside of the feeding hopper (21); S3, the driving motor (24) is started by the intelligent control module, the feeding screw (23) is rotated by the driving motor (24), and the medical waste enters the high-temperature pyrolysis furnace (3) through the feeding pipe (22) under the action of the feeding screw (23) for high-temperature pyrolysis; S4, the flue gas generated by high-temperature pyrolysis enters the inside of the temperature reducer (40) under the action of the induced draft fan (46); according to the concentration of pollutants in the flue gas, the process water in the process water tank (400) is used to cool the flue gas, and the lye in the lye tank (401) is used to neutralize the acidic pollutants in the flue gas; wherein the lye in the lye tank (401) is sodium hydroxide solution with a volume concentration of 15-25%; S5, the flue gas after cooling enters the inside of the quenching device (41), the deacidification reagent in the first deacidification tank (410) and the second deacidification tank (411) is respectively introduced into the quenching device (41) to remove SO2, HCl and HF in the flue gas; the circulating cooling equipment (45) is used to cool the flue gas entering the quenching device (41); wherein the deacidification reagent in the first deacidification tank (410) is sodium bicarbonate powder, and the deacidification reagent in the second deacidification tank (411) is calcium hydroxide powder; S6, the flue gas after deacidification is sequentially subjected to dust removal and purification by the ceramic fiber purification device (42) and adsorption purification by the adsorption tank (43), and is discharged through the chimney (44); the adsorption medium in the adsorption tank (43) is activated carbon adsorbent.

8. The mobile skid-mounted medical waste pyrolysis incineration treatment equipment according to claim 7, characterized in that, Two sealing plates (27) are movably hinged to the inner top of the feeding hopper (21), and a second hydraulic rod (273) connected with the sealing plates (27) is arranged on the outer side wall of the feeding hopper (21).

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