CN112728545A

CN112728545A - Online hot plate furnace cooperative hazardous waste disposal device and use method thereof

Info

Publication number: CN112728545A
Application number: CN202011546403.8A
Authority: CN
Inventors: 泥卫东; 刘方; 张春辉; 杨丽; 李瑞强; 程鹏; 赵培涛; 张万如; 钟红春
Original assignee: Sino Environment Protection Engineering Technology Co ltd; China University of Mining and Technology CUMT
Current assignee: Sino Environment Protection Engineering Technology Co ltd; China University of Mining and Technology CUMT
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-04-30
Anticipated expiration: 2040-12-23
Also published as: CN112728545B

Abstract

The invention belongs to the technical field of solid waste treatment, and particularly relates to an online hot plate furnace cooperative hazardous waste treatment device which comprises a heat exchange device, a steam generation unit, a steam engine, a power conversion unit and an abrasive unit, wherein one end of the heat exchange device is connected with the hot plate furnace, the other end of the heat exchange device is connected with a decomposing furnace, the abrasive unit is filled with coal powder, one part of the coal powder processed by the abrasive unit is sent into the hot plate furnace, and the other part of the coal powder is sent into the decomposing furnace. The invention also provides a using method of the device, which comprises the steps of heat collection, steam generation, torque generation of a steam engine and the like.

Description

Online hot plate furnace cooperative hazardous waste disposal device and use method thereof

Technical Field

The invention belongs to the technical field of solid waste treatment, and particularly relates to an online hot plate furnace cooperative hazardous waste treatment device and a using method thereof.

Background

The cement kiln is utilized to cooperatively treat a large amount of pollutants generated by urban development, such as urban domestic garbage, sludge, hazardous waste and the like, and the cement kiln is a new way for treating the pollutants at present. From the self-perspective of the cement industry, the cooperative disposal of the cement kiln is in accordance with the development direction of the adjustment and transformation of the current cement enterprises, can expand the regional social functions of the cement enterprises, can improve the oriented development dilemma of the production of pure products of the cement enterprises, and creates additional benefits for the society for the environment. From the perspective of enhancing environmental protection and effectively reducing pollutant hazards, the current situation that the regional treatment and disposal facilities are seriously insufficient can be effectively changed by the aid of the cement kiln cooperative disposal, and the requirement that a large amount of pollutants are generated due to rapid development in cities and towns in China and need to be well treated can be met.

The hazardous waste can be classified into solid hazardous waste (solid, powder, packaging material, etc.), semi-solid hazardous waste (wet paint slag, paste, industrial sludge, solid-liquid mixture, etc.), liquid hazardous waste (solution, waste acid, waste alkali, chemical agent, emulsion, etc.) according to their forms. At present, the cement kiln co-disposal is increasingly accepted by society, and a series of national policies definitely list the cement kiln co-disposal hazardous wastes into supporting development projects.

The traditional system for cooperatively treating the garbage by the cement kiln comprises a hot plate furnace, a decomposing furnace, a rotary kiln, a preheater and the like, wherein in the process of treating the household garbage by utilizing the system comprising the hot plate furnace, the tertiary air and the rotary kiln, the temperature in the hot plate furnace is about 1050 ℃ after the garbage is normally fed into the hot plate furnace.

And all combustion gas generated in the hot coil furnace enters the decomposing furnace through the heat exchange device. The burning temperature of the waste in the hot coil furnace is about 1050 ℃, and the temperature in the decomposing furnace is 860-920 ℃.

Patent publication No. CN109654502A discloses a method for directly disposing of multi-phase solid waste using a hot plate furnace. The method comprises the following steps: A. different solid wastes pass through a circular or square solid waste blanking pipeline with the effective inner diameter of 800-1400 mm, the pipeline can be independent or public, and three air locking valves are arranged on the side of the pipeline entering the hot plate furnace, which is close to the discharging end, so as to control the mixing of cold air; B. the hot plate furnace is provided with a multipoint temperature detection device, a cement kiln tail C4 blanking system is modified, and the temperature is controlled by utilizing the decomposition and absorption heat of carbonate of C4 hot raw materials on the hot plate furnace; C. introducing cold raw materials of a kiln elevator as an emergency fire extinguishing facility, and arranging a bypass air discharging facility in a matched manner to ensure the stable operation of a kiln system; D. the hot plate furnace is transformed and implanted in a kiln tail rising flue of the cement kiln to a cone region at the bottom of the decomposing furnace; the solid waste is burned in the hot plate furnace, and the unburned remains fall into the ascending flue of the cement kiln for continuous high-temperature incineration disposal. This patent has realized utilizing the leap-type progress that the hot plate stove directly dealt with former ecological town and country domestic waste, has expanded the application object of hot plate stove, can realize utilizing the hot plate stove to deal with domestic waste, mud, multiple solid wastes such as industry solid waste in step, and the processing method is simple and reliable, and is safe environmental protection, and is with low costs.

The patent with the publication number of CN210004405U discloses a dangerous waste treatment device, concretely relates to utilize hot dish stove to deal with device of dangerous waste, including hot dish stove and rotary kiln, hot dish stove and rotary kiln link to each other, hot dish furnace top is provided with first feed inlet and second feed inlet, first spray gun links to each other with the breaker in proper order, the breaker top is provided with the third feed inlet, the inside crisscross baffle that is provided with the downward sloping of third feed inlet, the third feed inlet links to each other with the conveyer, the second feed inlet, the second spray gun links to each other with the blending tank in proper order, the blending tank, the draught fan, the active carbon adsorption tank links to each other with the spray column in proper order, the spray column links to each other with the blending tank. This patent has improved heat utilization rate, greatly reduced the influence to the cement kiln, reduced the running cost. However, the following problems still exist:

1. the prior art does not utilize the temperature difference between the hot plate furnace and the decomposing furnace, and does not collect and utilize part of heat released by the temperature difference;

2. in the prior art, the temperature in the decomposing furnace is controlled only by controlling the amount of pulverized coal, and the amount of the pulverized coal added into the decomposing furnace is required to be adjusted at any time;

3. the prior art can not utilize the temperature difference between hot plate stove and the dore furnace to levitate the buggy and process, and the buggy distributes unevenly in hot plate stove and dore furnace, causes and releases heat inequality, and operating mass with work efficiency is not enough.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a device for disposing hazardous wastes in a synergistic manner by using an online hot plate furnace, which is used for solving the problems that the temperature difference between the hot plate furnace and a decomposing furnace is not utilized and part of heat released by the temperature difference is not collected and utilized in the prior art; in the prior art, the temperature in the decomposing furnace is controlled only by controlling the amount of pulverized coal, and the amount of the pulverized coal added into the decomposing furnace is required to be adjusted at any time; the prior art can not utilize the temperature difference between the hot plate furnace and the decomposing furnace to finely grind the coal powder, the coal powder is unevenly distributed in the hot plate furnace and the decomposing furnace, the problems of uneven heat release, insufficient working quality and working efficiency and the like are caused, and the invention also provides a using method of the device.

In order to solve the technical problems, the invention adopts the following technical scheme:

on-line hot dish stove is dealt with hazardous waste device in coordination, including heat transfer device, heat transfer device one end is connected with the hot dish stove, and the other end is connected with the dore furnace, still includes steam generation unit, steamer, power conversion unit and abrasive material unit, the inside confined circulating line that is equipped with of heat transfer device, the inside liquid that is equipped with of circulating line, just circulating line external connection to steam generation unit, steam generation unit with the steamer is connected, the output of steamer with be connected with the abrasive material unit through power conversion unit, be equipped with the buggy in the abrasive material unit, the warp coal powder partly after the processing of abrasive material unit is sent into in the hot dish stove, and another part coal powder is sent into the dore furnace.

The device is arranged between the hot plate furnace and the decomposing furnace, and all combustion gas generated in the hot plate furnace enters the decomposing furnace through the heat exchange device. The burning temperature of the waste in the hot coil furnace is about 1050 ℃, and the temperature in the decomposing furnace is 860-920 ℃; the heat that gaseous temperature of burning in the hot plate stove reduced and released is collected through heat transfer device, utilize the inside liquid of circulating line to bring the heat to the steam generation unit, water in the heating steam generation unit produces the vapor, the vapor that produces drives the steam engine and produces turning torque, power conversion unit converts turning torque into reciprocating motion, thereby drive abrasive material unit round trip movement, levigate the processing to the buggy, the buggy after levigate processing reentrants hot plate stove and dore furnace burning again, the buggy burning after levigate processing is more thorough, rapidly, and distribute evenly in hot plate stove and dore furnace, make the heat distribution in hot plate stove and dore furnace even, improve the operating mass and the work efficiency of hot plate stove and dore furnace. The device collects and utilizes partial heat released by the temperature difference by utilizing the temperature difference between the hot plate furnace and the decomposing furnace; meanwhile, the heat exchange efficiency can be controlled by controlling the flow speed of liquid in the heat exchange device in the circulating channel, so that the effect of controlling the temperature of the decomposing furnace is achieved; the pulverized coal can be finely ground, the pulverized coal is more thoroughly, rapidly and uniformly combusted, and the working quality and the working efficiency of the hot plate furnace and the decomposing furnace are improved.

Further, the heat exchange device comprises a rear shell, a front shell, a first baffle, a second baffle and a plurality of heat exchange tubules, wherein the rear shell and the front shell are hollow cylinders, one end of the rear shell is sealed, the open end of the rear shell and the open end of the front shell are hermetically connected through the first baffle, the second baffle is axially installed in the front shell, the upper portion of the second baffle, the first baffle and the front shell jointly form a closed cold flow space, the lower portion of the second baffle, the first baffle and the front shell jointly form a closed heat flow space, the first baffle and the rear shell jointly form a closed heat exchange space, a first inflow pipe and a first outflow pipe are arranged on the front shell, one end of the first inflow pipe is connected with the cold flow space in a penetrating manner, the other end of the first inflow pipe is connected with the steam generation unit in a penetrating manner, one end of the first outflow pipe is connected with the heat flow space in a penetrating manner, and the other end of the first outflow pipe is connected, the heat exchange thin pipes are U-shaped pipes and are arranged in parallel, a plurality of first thin pipe through holes are formed in the upper portion of the first baffle, a plurality of second thin pipe through holes are formed in the lower portion of the first baffle, one ends of the heat exchange thin pipes penetrate through the first thin pipe through holes to be communicated with the cold flow space, and the other ends of the heat exchange thin pipes penetrate through the second thin pipe through holes to be communicated with the hot flow space;

the rear shell is internally provided with a plurality of third baffles, the third baffles are semicircular and are arranged inside the rear shell in an up-down alternating radial mode, the rear shell is provided with a second inflow pipe and a second outflow pipe, the second inflow pipe is located at the front end of the rear shell, the second outflow pipe is located at the rear end of the rear shell, the second inflow pipe is in through connection with the air outlet of the hot plate furnace, and the second outflow pipe is in through connection with the air inlet of the decomposing furnace.

The heat exchange device can reuse redundant heat generated by combustion gas in the hot coil boiler, liquid flowing out of the steam generation unit flows to the cold flow space through the first inflow pipe, flows to the hot flow space through the plurality of heat exchange thin pipes and flows to the steam generation unit through the first outflow pipe, and a cycle of the liquid in the circulating pipeline is completed; simultaneously, combustion gas gets into from hot plate stove gas outlet in the second inflow pipe, combustion gas is under the restriction of several third baffle the backshell is inside to be "S" shape route and flows, increases flow path, makes the heat in the combustion gas can the efficient follow several heat transfer tubule department heat conduction to liquid in, has absorbed thermal liquid temperature and has improved, and liquid after the temperature improves passes through the second outflow pipe flows out to the steam generation unit. This device can be with the heat conduction in the combustible gas to liquid, when realizing the effect of cooling to combustible gas, can also make full use of heat, and the liquid after the heating can be with heat transfer to steam generation unit in.

Further, the steam generation unit comprises a boiler, a heating pipe, a low-temperature pipe, a high-temperature pipe, a circulating pump and a steam connecting pipe, a closed heating space is arranged inside the boiler, water accounting for 20-80% of the volume of the heating space is filled inside the boiler, a third inflow pipe and a third outflow pipe are further arranged on the side wall of the boiler, a steam outflow pipe is arranged at the top of the boiler, a water change valve is arranged at the bottom of the boiler, the heating pipe is spirally wound and soaked in the water, two ends of the heating pipe are respectively communicated with the third inflow pipe and the third outflow pipe, the third inflow pipe is communicated with the first outflow pipe through the high-temperature pipe, the third outflow pipe is communicated with the first inflow pipe through the low-temperature pipe, the circulating pump is connected in series to the low-temperature pipe, and steam flows out through the steam connecting pipe and.

High-temperature liquid flowing out of the heat exchange device flows into the heating pipe from the third inflow pipe, the heating pipe transfers heat of the high-temperature liquid into water, water is heated to generate water vapor, the water vapor enters the steam engine from the steam outflow pipe, the high-temperature liquid after heat transfer is changed into low-temperature liquid, the low-temperature liquid flows back to the heat exchange device from the third outflow pipe to complete circulation of the liquid, and a circulating pump arranged on the low-temperature pipe provides power for circulating flow of the liquid. It is worth mentioning that when the heating pipe needs to be soaked in water and the volume of the water in the boiler is less than 20% of the volume of the heating space, the heating pipe should stop working in time and water is added from the water changing valve; when the water in the boiler is more than 80% of the volume of the heating space, the water adding is stopped, and the redundant water is discharged from the water changing valve, so that the liquid water is prevented from entering the steam engine from the steam outlet pipe after the water is boiled.

Further, the steam engine also comprises an engine body, and a cylinder, a piston, a connecting rod, a crank, a first rotating shaft, a cam arm, a second rotating shaft, a pressure relief arm and a pressure plate which are arranged on the engine body, wherein the cylinder is a hollow cylinder, and the side wall of one end of the cylinder is provided with a steam inflow pipe, a steam connecting pipe is communicated with the inside of the cylinder through the steam inflow pipe, the side of the cylinder, which is positioned at the steam inflow pipe, is provided with a pressure relief opening, the piston is assembled in the cylinder and is connected with the cylinder in a sliding way, one end of the connecting rod is arranged in the cylinder and is hinged with the piston, the other end of the connecting rod is rotationally connected with one end of the crank, the other end of the crank is provided with a balancing weight, the crank is vertical to the first rotating shaft, the middle part of the crank is fixed on a first rotating shaft, one end of the first rotating shaft is provided with a power wheel, and the power wheel is connected with a power conversion unit through a transmission belt;

the steam pressure relief device is characterized in that a first cam is installed at the other end of the first rotating shaft, the second rotating shaft is parallel to the first rotating shaft, the cam arm is perpendicular to the second rotating shaft, one end of the cam arm is fixedly connected with the second rotating shaft, the middle of the cam arm is connected with the machine body through a return spring, a first roller is arranged at the other end of the cam arm, the other end of the cam arm is movably connected with the first cam through the first roller, the first roller is always in rolling connection with the first cam under the action of the elastic force of the return spring, the pressure relief arm is arranged below the cylinder, one end of the pressure relief arm is fixed on the second rotating shaft, the pressure plate is fixed at the other end of the pressure relief arm, a radial plate groove is formed in the cylinder, the plate groove is arranged between the steam inflow pipe and the pressure relief port, and the upper,

when the upper part of the pressure plate is in the plate groove, the cylinder, the piston and the pressure plate form a closed pressure space; when the upper part of the pressure plate slides out of the plate groove, the inside of the cylinder is communicated with the outside through the pressure relief port.

The steam generated by the steam generating unit flows into the cylinder from the steam inflow pipe, at the moment, the upper part of the pressure plate is in the plate groove, the cylinder, the piston and the pressure plate form a closed pressure space, the steam pushes the piston to move towards the direction of the connecting rod, so that the crank is driven to rotate through the connecting rod, and torque is generated and transmitted to the power conversion unit through the power wheel; meanwhile, the crank rotates to drive the first cam to rotate, so that the cam arm is driven to swing back and forth by taking the axis of the second rotating shaft as the center of a circle, and the pressure plate is controlled to slide up and down in the plate groove by driving the second rotating shaft to rotate back and forth and further controlling the pressure plate to slide up and down through the pressure relief arm; when the upper part of the pressure plate is in the plate groove, the water vapor pushes the piston to move towards the direction of the connecting rod; when the upper part of the pressure plate slides out of the plate groove, water vapor flows out of the pressure relief opening to the outside, the piston moves towards the opposite direction of the connecting rod, and the power of the movement of the piston comes from the inertia of the rotation of the crank. Increasing the counterweight can balance the rotational stability of the crank.

Further, the power conversion unit comprises a main mounting plate, a driven wheel, a driving rotary rod, a driven rotary rod, a connecting body, a second roller, a first connecting arm, a first connecting plate, two first pull rods, two first springs and a first balance rod, the main mounting plate is mounted on the abrasive unit, the driving rotary rod is mounted on the main mounting plate through a third mounting plate, a fourth mounting plate and a fifth mounting plate, the driven wheel is fixed on the driving rotary rod, the driven wheel is arranged between the third mounting plate and the fifth mounting plate, the driven wheel is connected with the power wheel through a transmission belt, the driven rotary rod is mounted on the main mounting plate through the first mounting plate and the second mounting plate, the driving rotary rod is parallel to the driven rotary rod, and the fifth mounting plate, the first mounting plate, the second mounting plate, the third mounting plate and the fourth mounting plate are parallel to each other, the driving rotary rod is provided with a second cam, the connecting body is strip-shaped, the middle part of the connecting body is provided with a driven rotary rod through hole, the driven rotary rod penetrates through the driven rotary rod through hole to be fixedly connected with the connecting body, the second roller is arranged at the lower part of the connecting body, and the second cam is connected with the connecting body;

first tie arm one end is articulated with connector one end, the first tie arm other end is articulated with first connecting plate middle part, be equipped with two first pull rod through-holes on the main mounting panel, two first pull rod passes two first pull rod through-holes and main mounting panel sliding connection respectively, two first pull rod one end is connected through first connecting plate, two the first pull rod other end is connected through first balancing pole, first balancing pole and abrasive material unit connection, two first spring is all established two the first pull rod is outside, just first spring one end is fixed on the first pull rod, the first spring other end is fixed on the main mounting panel.

The power wheel transmits torque to the driven wheel through a transmission belt and drives the driven wheel to rotate so as to drive the driving rotary rod and the second cam to rotate, the elastic force of the two first springs is transmitted to the connecting body through the two first pull rods, the first connecting plate and the first connecting arm, so that the second roller is always attached to the second cam, when the second cam rotates, the connecting body rotates back and forth periodically due to the fact that the shape of the second cam is irregular round, the first connecting plate is driven to move back and forth along the direction of the first pull rods through the first connecting arm, and the first balancing rod drives the abrasive material unit to move; and the first balance rod can prevent the two first pull rods from generating a cross trend, so that the two first pull rods are always parallel, the abrasion of the through holes of the two first pull rods is reduced, and the service life and the structural strength are improved.

Further, the abrasive material unit includes the workstation again, moves mill and push rod to and install at the funnel of workstation one side and decide the mill, the funnel is fixed and is being decided mill upper portion, and power conversion unit installs the workstation opposite side, move the mill between the funnel with decide the mill, just move the mill and decide the mill sliding connection, push rod one end is connected with first balancing pole, the push rod other end with move the mill and be connected, move and grind with decide between the mill complex shape for falling "V" shape, just move and grind inside being equipped with the silo, the funnel passes through the silo and moves and grind with decide the cooperation portion between the mill and link up, decide to be equipped with on the mill and control two discharge gates.

First balancing pole passes through the push rod drives the movable mill back and forth movement, and during the funnel was put into to unprocessed buggy, unprocessed buggy was followed the silo enters into between movable mill and the fixed mill, the relative motion of movable mill and fixed mill finely ground the buggy and processed, and the buggy after the processing falls out from two discharge gates about from, and the buggy after the processing is insufflated respectively in hot plate furnace and dore furnace again.

Furthermore, the power conversion unit further comprises a second connecting arm, a second connecting plate, two second pull rods, two second springs and a second balance rod, wherein one end of the second connecting arm is hinged to the other end of the connector, the other end of the second connecting arm is hinged to the middle of the second connecting plate, two second pull rod through holes are formed in the main mounting plate, the two second pull rods respectively penetrate through the two second pull rod through holes to be connected with the main mounting plate in a sliding mode, one end of each second pull rod is connected with the corresponding second connecting plate, the other end of each second pull rod is connected with the corresponding second balance rod, the two second springs are all sleeved on the outer portions of the two second pull rods, one end of each second spring is fixed to the corresponding second pull rod, and the other end of each first spring is fixed to the main mounting plate.

The two second springs are opposite to the two first springs in stress mode, namely the two first springs are in a compressed state, and the two second springs are in a stretched state; the two second springs and the two elastic forces of the first springs act on the second roller together to enable the connecting seat to be always tightly attached to the cam, and meanwhile, the movement of the second connecting arm balances the force generated when the first connecting arm moves, so that the structural strength and the reliability of the power conversion unit are improved.

Furthermore, the outside parcel of cylinder has the cooling chamber, cooling chamber upper portion is link up with the external world, and during operation, it has water to add in the cooling chamber.

High temperature vapor can cause in the cylinder and piston temperature are too high, reduce the leakproofness of piston and cylinder, increase the cooling chamber can reach the heat transfer in the cylinder the aquatic in the cooling chamber takes away the heat through the boiling of water, has improved the reliability of steam engine work and the security of operation, has still increased life simultaneously.

Further, move and grind the lower part demountable installation and move the board of grinding, it has the board of grinding surely to grind the upper portion demountable installation surely, move the board of grinding and decide the board sliding connection, the buggy is in move and grind between board and the board of grinding surely.

The diameter of industrial unprocessed coal powder is about 0.5 millimeter, and when carrying out the levigated processing of buggy, demountable installation moves and grinds the board with deciding and can select as required, selects the board that moves that different roughness and grinds the board with deciding, and carelessly processes the buggy to diameter 0.1 millimeter-0.3 millimeter, increases demountable installation simultaneously move and grind the board with deciding and grind the board, can freely adjust the buggy and process the diameter, simultaneously, when moving and grind the board and decide the wearing and tearing back of grinding the board, convenient in time change.

The use method of the device for the cooperative disposal of the hazardous waste by the online hot plate furnace comprises the following steps:

s1, collecting heat, wherein liquid flowing out of the steam generation unit flows to a cold flow space through the first inflow pipe, flows to a hot flow space through a plurality of heat exchange thin pipes, and flows to the steam generation unit through the first outflow pipe to complete circulation of the liquid in a circulation pipeline;

meanwhile, combustion gas enters the second inflow pipe from the gas outlet of the hot plate furnace, so that heat in the combustion gas can be conducted into liquid from the plurality of heat exchange thin pipes, the temperature of the liquid absorbing the heat is increased, and the liquid with the increased temperature flows out of the steam generation unit through the second outflow pipe;

s2, generating steam, enabling high-temperature liquid flowing out of the heat exchange device to flow into a heating pipe from a third inflow pipe, transferring heat of the high-temperature liquid into water by the heating pipe, heating the water to generate steam, and enabling the steam to enter a steam engine from a steam outflow pipe;

the high-temperature liquid after heat transfer is changed into low-temperature liquid, and the low-temperature liquid flows back to the heat exchange device from the third outflow pipe to complete liquid circulation;

s3, the steam engine generates torque, the steam generated by the steam generating unit flows into the cylinder from the steam inflow pipe, and when the upper part of the pressure plate is in the plate groove, the steam pushes the piston to move towards the direction of the connecting rod; when the upper part of the pressure plate slides out of the plate groove, water vapor flows out of the pressure relief opening to the outside, the piston moves towards the opposite direction of the connecting rod, and the process is a rotation stroke;

when the water vapor pushes the piston to move towards the direction of the connecting rod, the connecting rod drives the crank to rotate, so that torque is generated and transmitted to the power conversion unit through the power wheel; meanwhile, the crank rotates to drive the first cam to rotate, so that the cam arm is driven to swing back and forth by taking the axis of the second rotating shaft as the center of a circle, and the pressure plate is controlled to slide up and down in the plate groove by driving the second rotating shaft to rotate back and forth and further controlling the pressure plate to slide up and down through the pressure relief arm;

s4, power conversion, wherein the power conversion unit converts the rotation torque into reciprocating motion so as to drive the abrasive unit to move back and forth;

the power wheel transmits torque to the driven wheel through a transmission belt and drives the driven wheel to rotate so as to drive the driving rotary rod and the second cam to rotate, the elastic force of the two first springs is transmitted to the connecting body through the two first pull rods, the first connecting plate and the first connecting arm, so that the second roller is always attached to the second cam, when the second cam rotates, the connecting body rotates back and forth periodically, the first connecting plate is driven to move back and forth along the direction of the first pull rods through the first connecting arm, and the first balancing rod drives the abrasive unit to move;

s5, fine grinding of coal dust, wherein the first balance rod drives the movable mill to move back and forth through the push rod, unprocessed coal dust is placed in a funnel, the unprocessed coal dust enters the space between the movable mill and the fixed mill from the material groove, the relative motion of the movable mill and the fixed mill carries out fine grinding on the coal dust, and the processed coal dust falls out from the left discharge port and the right discharge port;

and S6, feeding the pulverized coal after grinding into a hot plate furnace and a decomposing furnace for combustion.

Compared with the prior art, the invention has the following beneficial effects:

the device of the invention utilizes the temperature difference between the hot plate furnace and the decomposing furnace to collect and utilize part of heat released by the temperature difference; meanwhile, the heat exchange efficiency can be controlled by controlling the flow speed of liquid in the heat exchange device in the circulating channel, so that the effect of controlling the temperature of the decomposing furnace is achieved; the pulverized coal can be finely ground, the pulverized coal is more thoroughly, rapidly and uniformly combusted, and the working quality and the working efficiency of the hot plate furnace and the decomposing furnace are improved.

The method is convenient to operate, simple and understandable, and operators can be skillfully mastered through simple training; the heat released by the temperature reduction of the combustion gas in the hot plate furnace is collected through the heat exchange device, the heat is brought to the steam generation unit by utilizing the liquid in the circulating pipeline, the water in the steam generation unit is heated to generate steam, the generated steam drives the steam engine to generate a rotating torque, the rotating torque is converted into reciprocating motion by the power conversion unit, so that the grinding material unit is driven to move back and forth, and pulverized coal is finely ground.

Drawings

FIG. 1 is a schematic structural diagram of an apparatus for co-processing hazardous waste in an online hot plate furnace according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a steam generating unit in an embodiment of an apparatus for co-processing hazardous waste in an in-line hot plate furnace according to the present invention;

FIG. 3 is a schematic cross-sectional view of a steam generating unit in an embodiment of an apparatus for co-processing hazardous waste in an inline hot plate furnace according to the present invention;

FIG. 4 is a schematic view of a portion of the enlarged structure at A in FIG. 1;

FIG. 5 is a schematic view of a portion of the cross-section at B-B in FIG. 4;

FIG. 6 is a schematic perspective view of a steam engine of an embodiment of an apparatus for co-processing hazardous waste in an in-line hot plate furnace according to the present invention;

FIG. 7 is a schematic view of a portion of the enlarged structure at C in FIG. 1;

FIG. 8 is a schematic view of the structure of FIG. 7 taken in partial section at D-D; (ii) a

FIG. 9 is a schematic perspective view of a power conversion unit in an embodiment of an apparatus for co-processing hazardous waste in an in-line hot plate furnace according to the present invention.

FIG. 10 is a schematic cross-sectional view of an abrasive unit in an embodiment of an in-line hot plate furnace co-processing hazardous waste device according to the present invention.

Reference numerals in the drawings of the specification include:

the heat exchange device 1, a rear shell 11, a front shell 12, a first inflow pipe 13, a first baffle 14, a second baffle 141, a heat exchange tubule 15, a third baffle 151, a first outflow pipe 16, a second inflow pipe 17 and a second outflow pipe 18;

the steam generation unit 2, the boiler 21, the heating pipe 22, the third inflow pipe 221, the third outflow pipe 222, the steam outflow pipe 23, the water change valve 24, the low-temperature pipe 25, the high-temperature pipe 26, the circulating pump 27 and the steam connecting pipe 28;

the steam engine 3, the cylinder 31, the steam inflow pipe 311, the pressure relief port 312, the cooling cavity 313, the piston 32, the connecting rod 33, the crank 34, the counterweight 341, the first rotating shaft 35, the power wheel 351, the first cam 352, the cam arm 36, the first roller 361, the return spring 362, the second rotating shaft 37, the pressure relief arm 38, the pressure plate 381, and the transmission belt 39;

the power conversion unit 4, the main mounting plate 41, the fifth mounting plate 411, the first mounting plate 412, the second mounting plate 413, the driven wheel 42, the driving rotating rod 43, the second cam 431, the third mounting plate 432, the fourth mounting plate 433, the driven rotating rod 44, the connecting body 441, the second roller 442, the first connecting arm 443, the second connecting arm 444, the first connecting plate 45, the first pull rod 451, the first spring 452, the first balance rod 453, the second connecting plate 46, the second pull rod 461, the second spring 462, the second balance rod 463;

the grinding unit 5, a hopper 51, a movable grinder 52, a movable grinding plate 521, a trough 522, a fixed grinder 53, a fixed grinding plate 531, a discharge hole 532, a push rod 54 and a workbench 55.

Detailed Description

In order that those skilled in the art can better understand the present invention, the following technical solutions are further described in conjunction with the accompanying drawings and examples:

it should be noted that the same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and the specific meanings of the terms may be understood by those skilled in the art according to specific situations.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being fixed or detachable or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Example one

As shown in fig. 1-10, the device for disposing hazardous waste in cooperation with an online hot plate furnace comprises a heat exchange device 1, wherein one end of the heat exchange device 1 is connected with the hot plate furnace, the other end of the heat exchange device is connected with a decomposing furnace, the device further comprises a steam generating unit 2, a steam engine 3, a power conversion unit 4 and an abrasive unit 5, a closed circulating pipeline is arranged inside the heat exchange device 1, liquid is filled in the circulating pipeline, the circulating pipeline is externally connected to the steam generating unit 2, the steam generating unit 2 is connected with the steam engine 3, the output end of the steam engine 3 is connected with the abrasive unit 5 through the power conversion unit 4, pulverized coal is filled in the abrasive unit 5, one part of the pulverized coal processed by the abrasive unit 5 is sent into the hot plate furnace, and the other part of the pulverized coal is sent into the decomposing furnace.

The device is arranged between the hot plate furnace and the decomposing furnace, and all combustion gas generated in the hot plate furnace enters the decomposing furnace through the heat exchange device 1. The burning temperature of the waste in the hot coil furnace is about 1050 ℃, and the temperature in the decomposing furnace is 860-920 ℃; the heat that gaseous temperature of burning in the hot plate stove reduced and released is collected through heat transfer device 1, utilize the inside liquid of circulating line to bring the heat to steam generation unit 2, water among the heating steam generation unit 2 produces the vapor, the vapor that produces drives steamer 3 and produces turning torque, power conversion unit 4 converts turning torque into reciprocating motion, thereby drive abrasive material unit 5 round trip movement, levigate the processing to the buggy, the buggy after levigate processing gets into hot plate stove and dore burning again, the buggy burning after levigate processing is more thorough, rapidly, and distribute evenly in hot plate stove and dore, make the heat distribution in hot plate stove and dore even, improve the operating mass and the work efficiency of hot plate stove and dore. The device collects and utilizes partial heat released by the temperature difference by utilizing the temperature difference between the hot plate furnace and the decomposing furnace; meanwhile, the heat exchange efficiency can be controlled by controlling the flowing speed of the liquid in the heat exchange device 1 in the circulating channel, so that the effect of controlling the temperature of the decomposing furnace is achieved; the pulverized coal can be finely ground, the pulverized coal is more thoroughly, rapidly and uniformly combusted, and the working quality and the working efficiency of the hot plate furnace and the decomposing furnace are improved.

The heat exchange device 1 comprises a rear shell 11, a front shell 12, a first baffle 14, a second baffle 141 and a plurality of heat exchange tubules 15, wherein the rear shell 11 and the front shell 12 are hollow cylinders with one end sealed, the open ends of the rear shell 11 and the front shell 12 are hermetically connected through the first baffle 14, the second baffle 141 is axially installed inside the front shell 12, the upper part of the second baffle 141, the first baffle 14 and the front shell 12 jointly form a closed cold flow space, the lower part of the second baffle 141, the first baffle 14 and the front shell 12 jointly form a closed heat flow space, the first baffle 14 and the rear shell 11 jointly form a closed heat exchange space, the front shell 12 is provided with a first inflow pipe 13 and a first outflow pipe 16, one end of the first inflow pipe 13 is in through connection with the cold flow space, the other end of the first inflow pipe 13 is in through connection with a steam generation unit 2, one end of the first outflow pipe 16 is in through connection with the heat flow space, the other end of the first outflow pipe 16 is in through connection with the steam generation unit 2, the plurality of heat exchange thin pipes 15 are U-shaped pipes and are arranged in parallel, the upper part of the first baffle 14 is provided with a plurality of first thin pipe through holes, the lower part of the first baffle 14 is provided with a plurality of second thin pipe through holes, one end of each of the plurality of heat exchange thin pipes 15 penetrates through the plurality of first thin pipe through holes to be in through connection with the cold flow space, and the other end of each of the plurality of heat exchange thin pipes 15 penetrates through the plurality of second thin pipe through holes to be in through connection with the hot flow space;

the rear shell 11 is internally provided with a plurality of third baffles 151, the third baffles 151 are semicircular and are vertically and alternately radially arranged inside the rear shell 11, the rear shell 11 is provided with a second inflow pipe 17 and a second outflow pipe 18, the second inflow pipe 17 is positioned at the front end of the rear shell 11, the second outflow pipe 18 is positioned at the rear end of the rear shell 11, the second inflow pipe 17 is communicated with a gas outlet of the hot plate furnace, and the second outflow pipe 18 is communicated with a gas inlet of the decomposing furnace.

The heat exchange device 1 can reuse the redundant heat generated by the combustion gas in the hot coil furnace, the liquid flowing out of the steam generation unit 2 flows to the cold flow space through the first inflow pipe 13, flows to the hot flow space through the plurality of heat exchange thin pipes 15, and flows to the steam generation unit 2 through the first outflow pipe 16, so that one circulation of the liquid in the circulation pipeline is completed; meanwhile, combustion gas enters the second inflow pipe 17 from the gas outlet of the hot plate furnace, flows in an S-shaped route inside the rear shell 11 under the limitation of the plurality of third baffles 151, increases a flow path, enables heat in the combustion gas to be efficiently conducted to liquid from the plurality of heat exchange thin pipes 15, absorbs the increase of the temperature of the liquid, and the liquid with the increased temperature flows out of the second outflow pipe 18 to the steam generation unit 2. This device can be with the heat conduction in the combustible gas to liquid, when realizing the effect of cooling to combustible gas, can also make full use of heat, and the liquid after the heating can be with heat transfer to steam generation unit 2 in.

The steam generating unit 2 in turn comprises a boiler 21, a heating pipe 22, a low-temperature pipe 25, a high-temperature pipe 26, a circulation pump 27 and a steam connection pipe 28, a closed heating space is arranged in the boiler 21, water accounting for 20-80% of the volume of the heating space is filled in the boiler 21, a third inflow pipe 221 and a third outflow pipe 222 are further arranged on the side wall of the boiler 21, a steam outflow pipe 23 is arranged at the top of the boiler 21, the boiler 21 is provided at the bottom thereof with a water change valve 24, the heating pipe 22 is spirally wound and immersed in water, two ends of the heating pipe 22 are respectively connected with the third inflow pipe 221 and the third outflow pipe 222 in a penetrating way, the third inflow pipe 221 is connected to the first outflow pipe 16 through the high temperature pipe 26, the third outflow pipe 222 is connected to the first inflow pipe 13 through the low temperature pipe 25, the circulation pump 27 is connected in series to the low-temperature pipe 25, and the steam outlet pipe 23 is connected to the steam engine 3 through a steam connection pipe 28.

The high temperature liquid flowing out from the heat exchanger 1 flows into the heating pipe 22 from the third inflow pipe 221, the heating pipe 22 transfers the heat of the high temperature liquid to water, water is heated to generate water vapor, the water vapor enters the steamer 3 from the steam outflow pipe 23, the high temperature liquid after heat transfer is changed into low temperature liquid, the low temperature liquid flows back to the heat exchanger 1 from the third outflow pipe 222, the circulation of the liquid is completed, and the circulating pump 27 arranged on the low temperature pipe 25 provides power for the circulation flow of the liquid. It should be noted that, when the heating pipe 22 needs to be soaked in water and the volume of the water in the boiler 21 is less than 20% of the volume of the heating space, the operation should be stopped in time, and water is added from the water changing valve 24; when the water in the boiler 21 is more than 80% of the volume of the heating space, the water addition is stopped, and the excess water is discharged from the water changing valve 24, so that the liquid water is prevented from entering the steam engine 3 from the steam outlet pipe 23 after the water is boiled.

The steam engine 3 further comprises a machine body, and a cylinder 31, a piston 32, a connecting rod 33, a crank 34, a first rotating shaft 35, a cam arm 36, a second rotating shaft 37, a pressure relief arm 38 and a pressure plate 381 which are mounted on the machine body, wherein the cylinder 31 is a hollow cylinder, a steam inflow pipe 311 is formed in the side wall of one end of the cylinder 31, a steam connecting pipe 28 is connected with the inside of the cylinder 31 through the steam inflow pipe 311, a pressure relief opening 312 is formed in one side of the steam inflow pipe 311 of the cylinder 31, the piston 32 is assembled in the cylinder 31 and is connected with the cylinder in a sliding manner, one end of the connecting rod 33 is arranged in the cylinder 31 and is hinged to the piston 32, the other end of the connecting rod 33 is rotatably connected with one end of the crank 34, a counterweight 341 is arranged at the other end of the crank 34, the crank 34 is perpendicular to the first rotating shaft 35, the middle of the crank 34 is fixed on, the power wheel 351 is connected with the power conversion unit 4 through a transmission belt 39;

a first cam 352 is installed at the other end of the first rotating shaft 35, the second rotating shaft 37 is parallel to the first rotating shaft 35, the cam arm 36 is perpendicular to the second rotating shaft 37, one end of the cam arm 36 is fixedly connected with the second rotating shaft 37, the middle part of the cam arm 36 is connected with the machine body through a return spring 362, a first roller 361 is arranged at the other end of the cam arm 36, the other end of the cam arm 36 is movably connected with the first cam 352 through the first roller 361, the first roller 361 is always in rolling connection with the first cam 352 under the action of the elastic force of the return spring 362, the pressure relief arm 38 is arranged below the cylinder 31, one end of the pressure relief arm 38 is fixed on the second rotating shaft 37, the pressure plate 381 is fixed at the other end of the pressure relief arm 38, a radial plate groove is arranged on the cylinder 31, the plate groove is arranged between the steam inflow pipe 311 and the pressure relief port 312, the upper part of the pressure plate 381 is in the plate groove and is,

when the upper part of the pressure plate 381 is in the plate groove, the cylinder 31, the piston 32 and the pressure plate 381 form a closed pressure space; when the upper part of the pressure plate 381 slides out of the plate groove, the inside of the cylinder 31 is communicated with the outside through the relief port 312.

The steam generated by the steam generating unit 2 flows into the cylinder 31 from the steam inflow pipe 311, at this time, the upper part of the pressure plate 381 is in the plate groove, the cylinder 31, the piston 32 and the pressure plate 381 form a closed pressure space, the steam pushes the piston 32 to move towards the connecting rod 33, so that the connecting rod 33 drives the crank 34 to rotate, and thus, torque is generated, and the torque is transmitted to the power conversion unit 4 through the power wheel 351; meanwhile, the crank 34 rotates to drive the first cam 352 to rotate, so as to drive the cam arm 36 to swing back and forth around the axis of the second rotating shaft 37, so that the pressure plate 381 is controlled by the pressure relief arm 38 to slide up and down in the plate groove by driving the second rotating shaft 37 to rotate back and forth; when the upper part of the pressure plate 381 is in the plate groove, the water vapor pushes the piston 32 to move toward the connecting rod 33; when the upper part of the pressure plate 381 slides out of the plate groove, water vapor flows out from the pressure relief port 312 to the outside, the piston 32 moves in the opposite direction to the connecting rod 33, and the power of the movement of the piston 32 comes from the inertia of the rotation of the crank 34. The addition of the counterweight 341 balances the rotational stability of the crank 34.

The power conversion unit 4 further includes a main mounting plate 41, a driven wheel 42, a driving rotation rod 43, a driven rotation rod 44, a connecting body 441, a second roller 442, a first connecting arm 443, a first connecting plate 45, two first pull rods 451, two first springs 452, and a first balance rod 453, the main mounting plate 41 is mounted on the abrasive unit 5, the driving rotation rod 43 is mounted on the main mounting plate 41 through a third mounting plate 432, a fourth mounting plate 433, and a fifth mounting plate 411, the driven wheel 42 is fixed on the driving rotation rod 43, the driven wheel 42 is between the third mounting plate 432 and the fifth mounting plate 411, the driven wheel 42 is connected with the power wheel 351 through a transmission belt 39, the driven rotation rod 44 is mounted on the main mounting plate 41 through a first mounting plate 412 and a second mounting plate 413, the driving rotation rod 43 is parallel to the driven rotation rod 44, the fifth mounting plate 411 is parallel to the driven rotation rod 44, The first mounting plate 412, the second mounting plate 413, the third mounting plate 432 and the fourth mounting plate 433 are parallel to each other and perpendicular to the main mounting plate 41, the second cam 431 is arranged on the driving rotary rod 43, the connecting body 441 is strip-shaped, the middle part of the connecting body is provided with a driven rotary rod through hole, the driven rotary rod 44 penetrates through the driven rotary rod through hole to be fixedly connected with the connecting body 441, the second roller 442 is mounted at the lower part of the connecting body 441, and the second cam 431 is connected with the connecting body 441;

one end of the first connecting arm 443 is hinged to one end of the connecting body 441, the other end of the first connecting arm 443 is hinged to the middle of the first connecting plate 45, two first pull rod through holes are formed in the main mounting plate 41, the two first pull rods 451 respectively penetrate through the two first pull rod through holes and are slidably connected with the main mounting plate 41, one ends of the two first pull rods 451 are connected through the first connecting plate 45, the other ends of the two first pull rods 451 are connected through the first balance rod 453, the first balance rod 453 is connected with the abrasive unit 5, the two first springs 452 are all sleeved outside the two first pull rods 451, one end of each first spring 452 is fixed to the corresponding first pull rod 451, and the other end of each first spring 452 is fixed to the main mounting plate 41.

The power wheel 351 transmits torque to the driven wheel 42 through a transmission belt 39 and drives the driven wheel 42 to rotate, so as to drive the driving rotating rod 43 and the second cam 431 to rotate, the elastic force of the two first springs 452 is transmitted to the connecting body 441 through the two first pull rods 451, the first connecting plate 45 and the first connecting arm 443, so that the second roller 442 is always tightly attached to the second cam 431, when the second cam 431 rotates, the connecting body 441 rotates back and forth periodically due to the irregular round shape of the second cam 431, so that the first connecting plate 45 is driven by the first connecting arm 443 to move back and forth along the direction of the first pull rod 451, and the first balancing rod 453 drives the abrasive unit 5 to move; in addition, the first balance bar 453 can prevent the two first pull rods 451 from crossing, so that the two first pull rods 451 are always parallel, the abrasion of the through holes of the two first pull rods is reduced, and the service life and the structural strength are improved.

The grinding unit 5 further comprises a workbench 55, a movable grinder 52, a push rod 54, a funnel 51 and a fixed grinder 53 which are arranged on one side of the workbench 55, the funnel 51 is fixed on the upper portion of the fixed grinder 53, a power conversion unit 4 is arranged on the other side of the workbench 55, the movable grinder 52 is arranged between the funnel 51 and the fixed grinder 53, the movable grinder 52 is in sliding connection with the fixed grinder 53, one end of the push rod 54 is connected with a first balance rod 453, the other end of the push rod 54 is connected with the movable grinder 52, the movable grinder 52 and the fixed grinder 53 are matched in an inverted V shape, a trough 522 is arranged inside the movable grinder 52, the funnel 51 is communicated with a matching portion between the movable grinder 52 and the fixed grinder 53 through the trough 522, and the fixed grinder 53 is provided with a left discharge port and a right discharge port 532.

The first balancing rod 453 drives the movable mill 52 to move back and forth through the push rod 54, unprocessed coal powder is placed in the hopper 51, the unprocessed coal powder enters between the movable mill 52 and the fixed mill 53 from the material groove 522, the coal powder is ground and processed through the relative movement of the movable mill 52 and the fixed mill 53, the processed coal powder falls out from the left discharge port 532 and the right discharge port, and the processed coal powder is blown into the hot plate furnace and the decomposing furnace respectively.

Example two

This embodiment, as a further improvement of the previous embodiment, is an in-line hot plate furnace co-disposed hazardous waste device, as shown in fig. 1-10, comprising a heat exchange device 1, one end of the heat exchange device 1 is connected with the hot plate furnace, the other end is connected with the decomposing furnace, the heat exchange device also comprises a steam generating unit 2, a steam engine 3, a power conversion unit 4 and a grinding material unit 5, a closed circulating pipeline is arranged in the heat exchange device 1, liquid is filled in the circulating pipeline, and the circulation duct is externally connected to a steam generation unit 2, the steam generation unit 2 is connected to the steam engine 3, the output end of the steam engine 3 is connected with an abrasive unit 5 through a power conversion unit 4, coal powder is filled in the abrasive unit 5, one part of the coal powder processed by the abrasive unit 5 is fed into a hot plate furnace, and the other part of the coal powder is fed into a decomposing furnace.

The power conversion unit 4 further includes a second connecting arm 444, a second connecting plate 46, two second tie rods 461, two second springs 462 and a second balance lever 463, one end of the second connecting arm 444 is hinged with the other end of the connecting body 441, the other end of the second connecting arm 444 is hinged with the middle part of the second connecting plate 46, two second pull rod through holes are formed in the main mounting plate 41, the two second pull rods 461 respectively penetrate through the two second pull rod through holes to be slidably connected with the main mounting plate 41, one ends of the two second pull rods 461 are connected through a second connecting plate 46, the other ends of the two second pull rods 461 are connected through a second balance rod 463, the two second springs 462 are sleeved outside the two second pull rods 461, one end of the second spring 462 is fixed to the second rod 461, and the other end of the first spring 452 is fixed to the main mounting plate 41.

The two second springs 462 are opposite to the two first springs 452 in force, i.e., the two first springs 452 are in a compressed state and the two second springs 462 are in a stretched state; the two second springs 462 and the two first springs 452 act on the second roller 442 together to keep the connecting holder 442 closely attached to the cam 431, and the movement of the second connecting arm 444 balances the force generated by the movement of the first connecting arm 443, thereby improving the structural strength and reliability of the power conversion unit 4.

The cylinder 31 is externally wrapped with a cooling cavity 313, the upper part of the cooling cavity 313 is communicated with the outside, and when the cylinder is in work, water is added into the cooling cavity 313.

The high-temperature water vapor in the cylinder 31 can cause the temperature of the cylinder 31 and the piston 32 to be too high, the sealing performance between the piston 32 and the cylinder 31 is reduced, the heat in the cylinder 31 can be transferred to the water in the cooling cavity 313 by the cooling cavity 313, the heat is taken away by the boiling of the water, the working reliability and the operation safety of the steam engine 3 are improved, and meanwhile, the service life is prolonged.

The movable grinding plate 521 is detachably mounted on the lower portion of the movable grinding 52, the fixed grinding plate 531 is detachably mounted on the upper portion of the fixed grinding 53, the movable grinding plate 521 is in sliding connection with the fixed grinding plate 531, and pulverized coal is ground between the movable grinding plate 521 and the fixed grinding plate 531.

The diameter of industrial unprocessed coal powder is about 0.5 mm, when coal powder is ground and processed, the movable grinding plate 521 and the fixed grinding plate 531 which are detachably mounted can be selected as required, the movable grinding plate 521 and the fixed grinding plate 531 with different roughness degrees are selected, the coal powder is intentionally processed to the diameter of 0.1 mm-0.3 mm, the movable grinding plate 521 and the fixed grinding plate 531 which are detachably mounted are added, the diameter of the processed coal powder can be freely adjusted, and meanwhile, the movable grinding plate 521 and the fixed grinding plate 531 are convenient to replace in time after being worn.

The advantages of the second embodiment over the first embodiment are:

the device disclosed by the embodiment II can freely adjust the diameter of the pulverized coal to be processed, and meanwhile, the movable grinding plate 521 and the fixed grinding plate 531 are convenient to replace in time after being worn; the working reliability and the operation safety of the steam engine 3 are improved, and the service life is prolonged; the movement of the second connecting arm 444 balances the force generated when the first connecting arm 443 is moved, improving the structural strength and reliability of the power conversion unit 4.

s1, collecting heat, wherein liquid flowing out of the steam generation unit 2 flows to a cold flow space through the first inflow pipe 13, flows to a hot flow space through the plurality of heat exchange thin pipes 15, and flows to the steam generation unit 2 through the first outflow pipe 16 to complete a circulation of the liquid in a circulation pipeline;

meanwhile, the combustion gas enters the second inflow pipe 17 from the air outlet of the hot plate furnace, so that the heat in the combustion gas can be conducted to the liquid from the plurality of heat exchange thin pipes 15, the temperature of the liquid absorbing the heat is increased, and the liquid with the increased temperature flows out of the steam generation unit 2 through the second outflow pipe 18;

s2, generating steam, wherein the high-temperature liquid flowing out of the heat exchanger 1 flows into the heating pipe 22 from the third inflow pipe 221, the heating pipe 22 transfers the heat of the high-temperature liquid into water, and heats the water to generate steam, and the steam enters the steam engine 3 from the steam outflow pipe 23;

the high-temperature liquid after heat transfer becomes low-temperature liquid, and the low-temperature liquid flows back to the heat exchange device 1 from the third outflow pipe 222, so that the circulation of the liquid is completed;

s3, the steam engine 3 generates torque, the steam generated by the steam generating unit 2 flows into the cylinder 31 from the steam inflow pipe 311, when the upper part of the pressure plate 381 is in the plate groove, the steam pushes the piston 32 to move towards the connecting rod 33; when the upper part of the pressure plate 381 slides out of the plate groove, water vapor flows out from the pressure relief port 312 to the outside, and the piston 32 moves in the opposite direction to the connecting rod 33, and the process is a rotation stroke;

when the water vapor pushes the piston 32 to move towards the direction of the connecting rod 33, the connecting rod 33 drives the crank 34 to rotate, and thereby torque is generated and is transmitted to the power conversion unit 4 through the power wheel 351; meanwhile, the crank 34 rotates to drive the first cam 352 to rotate, so as to drive the cam arm 36 to swing back and forth around the axis of the second rotating shaft 37, so that the pressure plate 381 is controlled by the pressure relief arm 38 to slide up and down in the plate groove by driving the second rotating shaft 37 to rotate back and forth;

s4, converting power, wherein the power conversion unit 4 converts the rotation torque into reciprocating motion, so as to drive the abrasive unit 5 to move back and forth;

the power wheel 351 transmits torque to the driven wheel 42 through a transmission belt 39 and drives the driven wheel 42 to rotate, so as to drive the driving rotating rod 43 and the second cam 431 to rotate, the elastic force of the two first springs 452 is transmitted to the connecting body 441 through the two first pull rods 451, the first connecting plate 45 and the first connecting arm 443, so that the second roller 442 is always tightly attached to the second cam 431, when the second cam 431 rotates, the connecting body 441 rotates back and forth periodically, so that the first connecting plate 45 is driven to move back and forth along the direction of the first pull rod 451 through the first connecting arm 443, and the first balancing rod 453 drives the abrasive unit 5 to move;

s5, grinding and processing the coal powder, wherein the first balance rod 453 drives the movable mill 52 to move back and forth through the push rod 54, the unprocessed coal powder is placed in the hopper 51 and enters between the movable mill 52 and the fixed mill 53 from the material groove 522, the relative motion of the movable mill 52 and the fixed mill 53 grinds and processes the coal powder, and the processed coal powder falls out from the left discharge port 532 and the right discharge port 532;

The method is convenient to operate, simple and understandable, and operators can be skillfully mastered through simple training; the heat released by the temperature reduction of the combustion gas in the hot plate furnace is collected through the heat exchange device 1, the heat is brought to the steam generation unit 2 by using the liquid in the circulating pipeline, the water in the steam generation unit 2 is heated to generate steam, the generated steam drives the steam engine 3 to generate a rotating torque, the rotating torque is converted into reciprocating motion by the power conversion unit 4, so that the grinding material unit 5 is driven to move back and forth, and pulverized coal is finely ground.

The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics is not described herein in any greater extent than that known in the art at the filing date or prior to the priority date of the application, so that those skilled in the art can now appreciate that all of the above-described techniques in this field and have the ability to apply routine experimentation before this date can be combined with one or more of the present teachings to complete and implement the present invention, and that certain typical known structures or known methods do not pose any impediments to the implementation of the present invention by those skilled in the art. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. Online hot dish stove is dealt with hazardous waste device in coordination, including heat transfer device (1), heat transfer device (1) one end is connected with the hot dish stove, and the other end is connected with the dore furnace, its characterized in that: still include steam generation unit (2), steam engine (3), power conversion unit (4) and abrasive material unit (5), heat transfer device (1) inside is equipped with confined circulating line, the inside liquid that is equipped with of circulating line, just circulating line external connection to steam generation unit (2), steam generation unit (2) with steam engine (3) are connected, the output of steam engine (3) with be connected with abrasive material unit (5) through power conversion unit (4), be equipped with the buggy in abrasive material unit (5), the warp coal powder partly after abrasive material unit (5) processing is sent into in the hot plate stove, and another part coal powder is sent into in the dore furnace.

2. The on-line hot plate furnace co-processing hazardous waste device of claim 1, characterized in that: the heat exchange device (1) comprises a rear shell (11), a front shell (12), a first baffle (14), a second baffle (141) and a plurality of heat exchange tubules (15), wherein the rear shell (11) and the front shell (12) are hollow cylinders and have one end sealed, the open ends of the rear shell (11) and the front shell (12) are hermetically connected through the first baffle (14), the second baffle (141) is axially installed inside the front shell (12), the upper part of the second baffle (141), the first baffle (14) and the front shell (12) jointly form a closed cold flow space, the lower part of the second baffle (141), the first baffle (14) and the front shell (12) jointly form a closed heat flow space, the first baffle (14) and the rear shell (11) jointly form a closed heat exchange space, a first inflow pipe (13) and a first outflow pipe (16) are arranged on the front shell (12), one end of the first inflow pipe (13) is connected with the cold flow space in a penetrating manner, the other end of the first inflow pipe (13) is in through connection with the steam generation unit (2), one end of the first outflow pipe (16) is in through connection with a heat flow space, the other end of the first outflow pipe (16) is in through connection with the steam generation unit (2), a plurality of heat exchange thin pipes (15) are U-shaped pipes and are arranged in parallel, a plurality of first thin pipe through holes are formed in the upper portion of the first baffle (14), a plurality of second thin pipe through holes are formed in the lower portion of the first baffle (14), one ends of the plurality of heat exchange thin pipes (15) penetrate through the plurality of first thin pipe through holes to be in through connection with a cold flow space, and the other ends of the plurality of heat exchange thin pipes (15) penetrate through the plurality of second thin pipe through holes to be in through connection with the;

rear shell (11) inside is equipped with several third baffle (151), several third baffle (151) are semi-circular and upper and lower radial installation in rear shell (11) inside in turn, be equipped with second inflow pipe (17) and second effluence pipe (18) on rear shell (11), second inflow pipe (17) are located rear shell (11) front end, second effluence pipe (18) are located rear shell (11) rear end, second inflow pipe (17) and hot plate stove gas outlet through connection, second effluence pipe (18) and decomposing furnace air inlet through connection.

3. The on-line hot plate furnace co-processing hazardous waste device of claim 2, characterized in that: the steam generation unit (2) comprises a boiler (21), a heating pipe (22), a low-temperature pipe (25), a high-temperature pipe (26), a circulating pump (27) and a steam connecting pipe (28), a closed heating space is arranged inside the boiler (21), water accounting for 20-80% of the volume of the heating space is filled inside the boiler (21), a third inflow pipe (221) and a third outflow pipe (222) are further arranged on the side wall of the boiler (21), a steam outflow pipe (23) is arranged at the top of the boiler (21), a water change valve (24) is arranged at the bottom of the boiler (21), the heating pipe (22) is spirally wound and immersed in the water, two ends of the heating pipe (22) are respectively in through connection with the third inflow pipe (221) and the third outflow pipe (222), and the third inflow pipe (221) is in through connection with the first outflow pipe (16) through the high-temperature pipe (26), the third outflow pipe (222) is communicated with the first inflow pipe (13) through a low-temperature pipe (25), the circulating pump (27) is connected in series to the low-temperature pipe (25), and the steam outflow pipe (23) is connected with the steam engine (3) through a steam connecting pipe (28).

4. The on-line hot plate furnace co-processing hazardous waste device of claim 3, characterized in that: the steam engine (3) comprises an engine body, a cylinder (31), a piston (32), a connecting rod (33), a crank (34), a first rotating shaft (35), a cam arm (36), a second rotating shaft (37), a pressure relief arm (38) and a pressure plate (381) which are installed on the engine body, wherein the cylinder (31) is a hollow cylinder, a steam inflow pipe (311) is formed in the side wall of one end of the cylinder (31), a steam connecting pipe (28) is connected with the inside of the cylinder (31) in a penetrating manner through the steam inflow pipe (311), a pressure relief opening (312) is formed in one side, located on the steam inflow pipe (311), of the cylinder (31), the piston (32) is assembled inside the cylinder (31) and is in sliding connection with the cylinder (31), one end of the connecting rod (33) is hinged to the piston (32) in the cylinder (31), the other end of the connecting rod (33) is rotatably connected with one end of, a balancing weight (341) is arranged at the other end of the crank (34), the crank (34) is perpendicular to the first rotating shaft (35), the middle of the crank (34) is fixed on the first rotating shaft (35), a power wheel (351) is installed at one end of the first rotating shaft (35), and the power wheel (351) is connected with the power conversion unit (4) through a transmission belt (39);

a first cam (352) is mounted at the other end of the first rotating shaft (35), the second rotating shaft (37) is parallel to the first rotating shaft (35), the cam arm (36) is perpendicular to the second rotating shaft (37), one end of the cam arm (36) is fixedly connected with the second rotating shaft (37), the middle of the cam arm (36) is connected with the machine body through a return spring (362), a first roller (361) is arranged at the other end of the cam arm (36), the other end of the cam arm (36) is movably connected with the first cam (352) through the first roller (361), the first roller (361) is always in rolling connection with the first cam (352) under the action of the elastic force of the return spring (362), the pressure relief arm (38) is arranged below the cylinder (31), one end of the pressure relief arm (38) is fixed on the second rotating shaft (37), and the pressure plate (381) is fixed at the other end of the pressure relief arm (38), the cylinder (31) is provided with a radial plate groove which is arranged between the steam inflow pipe (311) and the pressure relief opening (312), the upper part of the pressure plate (381) is arranged in the plate groove and is connected with the cylinder (31) in a sliding way,

when the upper part of the pressure plate (381) is in the plate groove, the cylinder (31), the piston (32) and the pressure plate (381) form a closed pressure space; when the upper part of the pressure plate (381) slides out of the plate groove, the inside of the air cylinder (31) is communicated with the outside through a pressure relief port (312).

5. The on-line hot plate furnace co-processing hazardous waste device of claim 4, characterized in that: the power conversion unit (4) comprises a main mounting plate (41), a driven wheel (42), a driving rotating rod (43), a driven rotating rod (44), a connecting body (441), a second roller (442), a first connecting arm (443), a first connecting plate (45), two first pull rods (451), two first springs (452) and a first balancing rod (453), the main mounting plate (41) is mounted on the grinding material unit (5), the driving rotating rod (43) is mounted on the main mounting plate (41) through a third mounting plate (432), a fourth mounting plate (433) and a fifth mounting plate (411), the driven wheel (42) is fixed on the driving rotating rod (43), the driven wheel (42) is arranged between the third mounting plate (432) and the fifth mounting plate (411), and the driven wheel (42) is connected with a power wheel (351) through a driving belt (39), the driven rotary rod (44) is mounted on a main mounting plate (41) through a first mounting plate (412) and a second mounting plate (413), the driving rotary rod (43) is parallel to the driven rotary rod (44), the fifth mounting plate (411), the first mounting plate (412), the second mounting plate (413), the third mounting plate (432) and the fourth mounting plate (433) are parallel to each other and perpendicular to the main mounting plate (41), a second cam (431) is arranged on the driving rotary rod (43), the connecting body (441) is strip-shaped, a driven rotary rod through hole is formed in the middle of the connecting body (441), the driven rotary rod (44) penetrates through the driven rotary rod through hole to be fixedly connected with the connecting body (441), the second roller (442) is mounted on the lower portion of the connecting body (441), and the second cam (431) is connected with the connecting body (441);

one end of the first connecting arm (443) is hinged with one end of the connecting body (441), the other end of the first connecting arm (443) is hinged with the middle part of the first connecting plate (45), the main mounting plate (41) is provided with two first pull rod through holes, the two first pull rods (451) respectively penetrate through the two first pull rod through holes to be connected with the main mounting plate (41) in a sliding manner, one ends of the two first pull rods (451) are connected through a first connecting plate (45), the other ends of the two first pull rods (451) are connected through a first balancing rod (453), the first balancing rod (453) is connected with an abrasive unit (5), the two first springs (452) are sleeved outside the two first pull rods (451), and one end of the first spring (452) is fixed on the first pull rod (451), the other end of the first spring (452) is fixed on the main mounting plate (41).

6. The on-line hot plate furnace co-processing hazardous waste device of claim 5, characterized in that: the grinding unit (5) comprises a working table (55), a movable mill (52), a push rod (54), a funnel (51) and a fixed mill (53) which are installed on one side of the working table (55), the funnel (51) is fixed on the upper portion of the fixed mill (53), a power conversion unit (4) is installed on the other side of the working table (55), the movable mill (52) is arranged between the funnel (51) and the fixed mill (53), the movable mill (52) is in sliding connection with the fixed mill (53), one end of the push rod (54) is connected with a first balance rod (453), the other end of the push rod (54) is connected with the movable mill (52), the movable mill (52) and the fixed mill (53) are matched in an inverted V shape, a trough (522) is arranged inside the movable mill (52), and the funnel (51) is communicated with a matching portion between the movable mill (52) and the fixed mill (53) through the trough (522), the fixed mill (53) is provided with a left discharge hole and a right discharge hole (532).

7. The on-line hot plate furnace co-processing hazardous waste device of claim 6, characterized in that: the power conversion unit (4) further comprises a second connecting arm (444), a second connecting plate (46), two second pull rods (461), two second springs (462) and a second balance rod (463), one end of the second connecting arm (444) is hinged to the other end of the connecting body (441), the other end of the second connecting arm (444) is hinged to the middle of the second connecting plate (46), the main mounting plate (41) is provided with two second pull rod through holes, the two second pull rods (461) respectively penetrate through the two second pull rod through holes to be slidably connected with the main mounting plate (41), one ends of the two second pull rods (461) are connected through the second connecting plate (46), the other ends of the two second pull rods (461) are connected through the second balance rod (463), the two second springs (462) are sleeved outside the two second pull rods (461), and one end of the second spring (462) is fixed on the second pull rod (461), the other end of the first spring (452) is fixed on the main mounting plate (41).

8. The on-line hot plate furnace co-processing hazardous waste device of claim 7, characterized in that: the cooling device is characterized in that a cooling cavity (313) is wrapped outside the air cylinder (31), the upper portion of the cooling cavity (313) is communicated with the outside, and water is added into the cooling cavity (313) during work.

9. The on-line hot plate furnace co-processing hazardous waste device of claim 8, characterized in that: move and grind (52) lower part demountable installation and move grinding plate (521), it has surely to grind board (531) to decide grinding (53) upper portion demountable installation, move grinding plate (521) and surely grind board (531) sliding connection, the buggy is in move grinding plate (521) and surely grind between board (531) grind.

10. The method of using an in-line hot plate furnace co-disposed hazardous waste device of claim 9, comprising the steps of:

s1, collecting heat, wherein liquid flowing out of the steam generation unit (2) flows to a cold flow space through the first inflow pipe (13), flows to a hot flow space through the plurality of heat exchange thin pipes (15), and flows to the steam generation unit (2) through the first outflow pipe (16), so that one circulation of the liquid in a circulation pipeline is completed;

meanwhile, combustion gas enters the second inflow pipe (17) from the air outlet of the hot plate furnace, so that heat in the combustion gas can be conducted into liquid from a plurality of heat exchange thin pipes (15), the temperature of the liquid absorbing the heat is increased, and the liquid with the increased temperature flows out of the steam generation unit (2) through the second outflow pipe (18);

s2, generating steam, wherein the high-temperature liquid flowing out of the heat exchange device (1) flows into the heating pipe (22) from the third inflow pipe (221), the heating pipe (22) transfers the heat of the high-temperature liquid into water, the water is heated to generate water vapor, and the water vapor enters the steam engine (3) from the steam outflow pipe (23);

the high-temperature liquid after heat transfer is changed into low-temperature liquid, and the low-temperature liquid flows back to the heat exchange device (1) from the third outflow pipe (222) to complete liquid circulation;

s3, the steam engine (3) generates torque, the steam generated by the steam generating unit (2) flows into the cylinder (31) from the steam inflow pipe (311), and when the upper part of the pressure plate (381) is in the plate groove, the steam pushes the piston (32) to move towards the direction of the connecting rod (33); when the upper part of the pressure plate (381) slides out of the plate groove, water vapor flows out from the pressure relief opening (312) to the outside, and the piston (32) moves towards the opposite direction of the connecting rod (33), and the process is a rotation stroke;

when the water vapor pushes the piston (32) to move towards the direction of the connecting rod (33), the connecting rod (33) drives the crank (34) to rotate, and therefore torque is generated and transmitted to the power conversion unit (4) through the power wheel (351); meanwhile, the crank (34) rotates to drive the first cam (352) to rotate, so that the cam arm (36) is driven to swing back and forth around the axis of the second rotating shaft (37), the second rotating shaft (37) is driven to rotate back and forth, and the pressure plate (381) is controlled to slide up and down in the plate groove through the pressure relief arm (38);

s4, power conversion, wherein the power conversion unit (4) converts the rotation torque into reciprocating motion so as to drive the abrasive unit (5) to move back and forth;

the power wheel (351) transmits torque to the driven wheel (42) through a transmission belt (39) and drives the driven wheel (42) to rotate, so as to drive the driving rotating rod (43) and the second cam (431) to rotate, the elastic force of the two first springs (452) is transmitted to the connecting body (441) through the two first pull rods (451), the first connecting plate (45) and the first connecting arm (443), so that the second roller (442) is always attached to the second cam (431), when the second cam (431) rotates, the connecting body (441) generates periodic back-and-forth rotation, so that the first connecting plate (45) is driven to move back and forth along the direction of the first pull rod (451) through the first connecting arm (443), and the first balance rod (453) drives the abrasive unit (5) to move;

s5, grinding and processing coal powder, wherein a first balance rod (453) drives a movable mill (52) to move back and forth through a push rod (54), unprocessed coal powder is placed into a hopper (51), the unprocessed coal powder enters a position between the movable mill (52) and a fixed mill (53) from a material groove (522), the relative motion of the movable mill (52) and the fixed mill (53) grinds the coal powder, and the processed coal powder falls out from a left discharge port and a right discharge port (532);