TW201715177A - Continuous thermal desorption and pyrolysis equipment having three-stage reaction furnace system capable of achieving thermal energy utilization with high performance and high feeding amount, and effective and highly stable temperature distribution - Google Patents

Abstract

The invention provides a continuous thermal desorption and pyrolysis equipment having three-stage reaction furnace system, which comprises first, second and third furnace bodies. The first furnace body is configured with a first jacket, an entry and an exit for the first jacket. The first jacket is configured therein with a plurality of first furnace body reactors and their first material inlets and outlets, wherein the first material inlet is disposed outside the first furnace body. The second and third jackets are respectively configured with the second and third jackets, in which the second and third jackets are respectively provided with a second jacket entry and a second jacket exit, and a third jacket entry and a third jacket exit. The second and third jackets are respectively configured therein with a second furnace body reactor and a third furnace body reactor, and the second material inlets, the second material outlets, the third material inlet and the third material outlet corresponded therewith, in which the third material outlet is disposed outside the third furnace body. Thus, the invention may perform the thermal desorption, desorption pyrolysis, and reaction terminating operations for the objects to be processed.

Description

Continuous thermal desorption and cracking equipment with three-stage reactor system

The invention relates to a continuous thermal desorption and cracking device with a three-stage reactor system, in particular to a three-stage reactor system for heating desorption, desorption cracking and reaction termination of a workpiece. In the process of heating and desorbing the processed material, the continuous thermal desorption and cracking equipment with the three-stage reactor system is carried out by horizontally juxtaposed two-screw conveyors, which simultaneously carry out the reaction and finally terminates the reaction. .

With the development of the global economy driving the booming development of the automobile industry, the rubber industry and the plastics industry, a large amount of waste rubber and plastic solid waste is produced every year. Especially the waste tires are more bulky. If not properly treated or recycled, not only will they be properly treated or recycled. It will cause waste of resources and will cause nightmare impact on the environment and endanger global land and environmental pollution. If the waste rubber or tire is treated by incineration, it is not environmentally friendly and wastes resources. Because rubber is a petrochemical product, it contains about 88% carbon, and about 30-40% of carbon black is added to the formulation, which is 99% pure carbon. Therefore, rubber in rubber or tire waste has a very high carbon content, which is about twice that of coal. After combustion, it produces a larger amount of carbon dioxide to be discharged into the atmosphere, which is not conducive to global environmental protection concerns. In terms of energy saving, carbon black is a petrochemical product. About two metric tons of petrochemical oil can produce one ton of carbon black. Therefore, carbon black is a high energy-consuming product, but carbon is an extremely stable substance. Utilization will reduce energy consumption and waste.

The desorption cracking of solid waste rubber and plastic is the incineration of such waste. One of the important treatment methods. In this way, after the waste is pulverized, it is desorbed and cracked at an appropriate temperature to produce gas, oil, solid carbon black, and the like. These products are high value-added products. Among them, the oil comes from the hydrocarbons in rubber and plastics. If the rubber contains natural rubber, it is a kind of biomass energy, which has considerable benefits for energy saving and emission reduction. The oil can be further separated into light oil and heavy oil by vacuum distillation, thereby increasing its added value. However, in the past, there were several obstacles to the cracking of waste rubber, which could not be scaled up and standardized. This led to the standard process of commercial production in this industry in the world, mainly because environmental pollution secondary pollution could not be overcome, and solid product carbon black could not return to rubber. Reuse in industrial systems greatly reduces the value of recycling. Therefore, the industry needs a problem that can solve the air pollution and environmental problems encountered in the past process, the product standardization problem of unstable process output, the safety problem of the process explosion caused by the unsafe process, and the inefficiency of the feed quantity cannot be improved.

The purpose of this creation is to provide a high-performance, high-input heat energy utilization, efficient and highly stable temperature distribution of the three-stage reactor system and its continuous thermal desorption and cracking equipment.

In order to achieve the above objectives, the technical means provided by the present invention is a continuous thermal desorption and cracking apparatus having a three-stage reactor system, comprising: a first furnace body arranged substantially horizontally, the furnace space inside thereof forming heat resistance And the first jacket of the heat preservation, the first jacket has a first jacket inlet and a first jacket outlet, and the first jacket inner space is sleeved with a plurality of first furnace reactors, and each first furnace body reacts The first inlet port and the first discharge port are disposed, and the first inlet port is disposed outside the first furnace body; the furnace space inside the second furnace body is configured to have a second jacket capable of heat resistance and heat preservation The second jacket has a second jacket inlet, a second jacket outlet, and a second jacket a second furnace body reactor is disposed therein, and the second furnace body reactor is provided with a second inlet port connecting the first discharge ports and a second discharge port opening downward, and the second furnace a gas output port connected to the outside of the body; the furnace space inside the third furnace body constitutes a third jacket, the third jacket has a third jacket inlet and a third jacket outlet, and the third jacket is sleeved a third furnace body reactor, the third furnace body reactor is provided with a third inlet port corresponding to the second discharge port and a third discharge port with an opening downward, and the third discharge port is disposed at the third The exterior of the three furnace body.

In one embodiment, the first furnace reactors are first and second screw conveyors, the second furnace reactor is a third screw conveyor, and the third furnace reactor is a fourth screw conveyor. The spiral blades of the first to fourth screw conveyors are arranged after the corresponding discharge opening.

In an embodiment, further comprising a feeding device comprising a feeding screw conveyor provided with spiral blades from front to back, and no spiral blades are arranged in front of a discharge opening, the feeding screw conveyor The discharge port peripheral has a partition device that divides the discharge of the discharge port into two, respectively, and is connected to the first screw conveyor feed port and the second screw conveyor feed port by a connecting pipe, Distributing the processed material more uniformly into the first screw conveyor and the second screw conveyor, and a nitrogen blowing system, applying a nitrogen generator to supply nitrogen, and blowing the nitrogen into the feeding screw conveyor The discharge port and the first and second screw conveyor feed ports.

In one embodiment, a combustion furnace is further included, and the hot air generated by the combustion furnace is respectively outputted from the first tube hot air duct and the second hot air duct to the first jacket and the second jacket: The first tube hot air delivery tube is connected to the first jacket inlet for feeding hot air into the first jacket, and the first furnace body reactor is heated, and the heated hot air is exported by the first jacket row The second hot air duct output is connected to the second jacket inlet for heating the second furnace reactor, and the heated hot air is discharged from the second jacket outlet.

In one embodiment, a cooling water circulation unit is further included, comprising a cooling line connected to the third jacket inlet and the third jacket outlet for cooling the third furnace reactor.

In one embodiment, the first to fourth screw conveyors have a plurality of notches or apertures in a special configuration of the screw conveyor blades.

The characteristics of this creation are as follows: 1. This creation is to process the waste rubber (plastic) and other processed materials in a stable mode (chemical process is called steady state), desorption and cracking reaction by heat, and make the hydrocarbons (rubber) The cross-linking reaction with the carbon black therein is carried out by the above reaction and the chain is cut into a gas, and the recovered gaseous hydrocarbon is condensed into a cracked oil, and the unreacted in the reactor is carbon black. Since the reactant is a solid, it is extremely difficult to stabilize the reaction, and in the reaction conditions, since desorption and cracking are the most important temperature stability of the endothermic reaction, the present invention has high-efficiency thermal energy utilization and can be effectively and stably distributed. The temperature, the two-stage temperature distribution allows the cracking and desorption reactions to be as high as 100%. 2. Another important operational parameter is the amount of feed and its stability, which can cause irreparable damage to the quality of the product. The carbon black and pyrolysis oil produced by this creation are more stable and of better quality than those produced by other methods. 3. This creation is not easy to cause secondary pollution caused by waste rubber or tire treatment. The recycling and recycling of waste rubber and plastic by the device of the invention avoids pollution and solves the problem of waste tire treatment, and can be recycled. The high value of environmentally friendly oil products, carbon black and other products create economic value, which can be described as one fell swoop, it is worth promoting.

10‧‧‧Continuous thermal desorption and cracking equipment

20‧‧‧Three-stage reactor system

21‧‧‧First furnace body

211‧‧‧ first jacket

2111‧‧‧First jacket entry

2112‧‧‧First jacket outlet

2113‧‧‧thermal hole

212‧‧‧First furnace reactor

2120‧‧‧Axial conveying structure

2121‧‧‧First inlet

2122‧‧‧First discharge opening

212a‧‧‧First screw conveyor

212a1‧‧‧ feed inlet

212a2‧‧‧ discharge opening

212b‧‧‧Second screw conveyor

212b1‧‧‧ feed inlet

212b2‧‧‧ discharge opening

22‧‧‧second furnace body

221‧‧‧Second jacket

2211‧‧‧Second jacket entry

2212‧‧‧Second jacket outlet

222‧‧‧Second furnace reactor

2220‧‧‧Axial conveying structure

2221‧‧‧Second inlet

2222‧‧‧Second outlet

222a‧‧‧3rd screw conveyor

222a1‧‧‧Spiral blades

222a2‧‧ ‧ pitch

222a3‧‧‧ gap or orifice

2223‧‧‧Process gas outlet

23‧‧‧ Third furnace body

231‧‧‧ third jacket

2311‧‧‧ third jacket entry

2312‧‧‧ Third jacket outlet

232‧‧‧ Third furnace reactor

2320‧‧‧Axial conveying structure

2321‧‧‧ third inlet

2322‧‧‧ third discharge opening

232a‧‧‧fourth screw conveyor

232a1‧‧‧Spiral blades

232a2‧‧‧Reverse spiral blade

30‧‧‧Feeding device

301‧‧‧buffer storage tank

3011‧‧‧ throat space

31‧‧‧Feed screw conveyor

310‧‧‧Spiral blades

3101‧‧‧Spiral blade spacing

311‧‧‧ discharge opening

3110‧‧‧Drainage tube

312‧‧‧Baffle device

313,313'‧‧‧Connecting tube

313‧‧‧ Feed inlet

32‧‧‧N. Nitrogen blow system

321‧‧‧Nitrogen generator

3211‧‧‧Nitrogen

40‧‧‧burning furnace

401‧‧‧ burner

41‧‧‧First tube hot air duct

42‧‧‧Second hot air duct

43‧‧‧Flow control device

44‧‧‧Heat-resistant catheter

45‧‧‧First combustion air

46‧‧‧Second combustion air

47‧‧‧Oilated oil and gas

48‧‧‧Process gas

50‧‧‧Cooling water circulation unit

51‧‧‧Cooling line

60‧‧‧ Gas and oil and gas processing unit

A‧‧‧Processing

B‧‧‧ bellows joint

1 is a top plan view showing an embodiment of a three-stage reactor system of the continuous thermal desorption and cracking apparatus of the present invention; FIG. 2 is a radial sectional view of the first furnace reactor of the present invention; A radial cross-sectional view of the second furnace reactor of the present invention is shown; FIG. 4 is a radial cross-sectional view of the third furnace reactor of the present invention; FIG. 5 is a schematic diagram of the feed spiral conveying of the feeding device of the present invention. FIG. 6 is a front cross-sectional view showing an embodiment of a three-stage reactor system of the continuous thermal desorption and cracking apparatus of the present invention; FIG. 7 is a cross-sectional view taken along line 7-7 of FIG. FIG. 8 is a schematic view showing the opening of each spiral unit of the pitch conveyor of the continuous thermal desorption and cracking apparatus of the present invention; FIG. 9 is a diagram showing the continuous thermal desorption and cracking of the present invention. System block diagram of the device.

The present invention is described in detail below with reference to the drawings, and the drawings are simplified schematic diagrams, and the basic structure of the present invention is only illustrated in a schematic manner, and therefore only the components related to the present creation are indicated in the drawings. The components shown are not drawn in the number, shape, size ratio, etc. at the time of implementation, and the actual size of the implementation is a selective design, and the component layout form may be more complicated.

First, please refer to Figure 1~6. The three-stage reactor system 20 of the continuous thermal desorption and cracking apparatus of the present embodiment comprises: a first furnace body 21 and a first furnace body reactor 212 for performing a heating desorption stage on the workpiece A. a second furnace body 22 and a second furnace body reactor 222 for continuing desorption cracking of the workpiece A and a third furnace body 23 and its third furnace body The device 232. The first furnace body 21 is arranged substantially horizontally (of course, the first furnace body 21 in the present creation is not necessarily absolutely horizontally disposed, and the yaw angle thereof does not hinder the angle at which the workpiece A is received and released), The first furnace body 21 has a first jacket 211 which is heat-resistant and heat-instable. For example, a steel plate lining refractory mud is used on the outer side of the first jacket 211 to prevent heat dissipation. The heat-resistant insulation technology can be applied to the following. On the second furnace body 22, the furnace space in the first furnace body 21 forms a space defined by the first jacket 211 itself, and the first jacket 211 has a space communication with the first furnace body 21, respectively. (ie, passing through the first furnace body 21) a first jacket inlet 2111 and a first jacket outlet 2112. The first jacket 211 has a plurality of first furnace reactors 212 disposed therein. Each of the first furnace body reactors 212 is provided with a first inlet port 2121 (opening upward), one of which is in communication with the outer space of the first jacket 211, in the present embodiment. a first discharge port 2122 (opening downward) and conveying the workpiece A from the first inlet port 2112 to the first discharge port An axial conveying structure 2120 of 2122, and the first inlet port 2121. is disposed in an outer space of the first furnace body 21; (as shown in FIG. 1, FIG. 2 and FIG. 6).

Please also refer to FIG. 1, FIG. 3, FIG. 4 and FIG. a second furnace body 22 disposed under the first furnace body 21, wherein the inner furnace space is formed with a second jacket 221 having heat resistance and heat preservation, and the second jacket 221 has a second jacket inlet 2211, a second jacket outlet 2212, the second jacket 221 is provided with a second furnace reactor 222, the second furnace reactor 222 is provided with a second connecting the first outlets 2122 The inlet port 2221 (for receiving the processed material A dropped from the first discharge ports 2122 and entering the second furnace body reactor 222), the second discharge port 2222 having an opening downward, and the workpiece A An axial conveying structure 2220 transmitted from the second inlet 2221 to the second outlet 2222 and a process gas outlet 2223 communicating with the external space of the second furnace; a second furnace body 22 is disposed The lower furnace body 23 below, the interior of the furnace space constitutes a third jacket 231, the third jacket 231 has a third jacket inlet 2311 and a third jacket outlet 2312 communicating with the external space, and the third jacket 231 is provided with a third furnace body. The third furnace body reactor 232 is provided with a third inlet port 2321 corresponding to the second discharge port 2222 (for receiving the workpiece A falling from the second discharge port 2222). The third furnace body reactor 232), a third discharge port 2322 having an opening downward, and an axial conveying structure for conveying the workpiece A from the third inlet port 2321 to the third discharge port 2322 2320, and the third discharge port 2322 is disposed in an outer space of the third furnace body 23.

In one embodiment, the first furnace reactors 212 are a pair of first screw conveyors 212a and second screw conveyors 212b, and the second furnace reactor 222 and the third furnace body are reacted. The 232 is a third screw conveyor 222a and a fourth screw conveyor 232a, respectively, and the spiral blades of the first to fourth screw conveyors (212a, 212b, 222a, 232a) are arranged to the corresponding rows and discharge ports. After (212a2, 212b2, 2322, 311), and at least one screw conveyor (herein the fourth screw conveyor 232a), as shown in Figure 6, the spiral blade after its third discharge port 2322 The spiral direction includes a spiral direction opposite to the spiral blade 232a1 before the third discharge port 2322 (reverse spiral blade 232a2), so that the fourth screw conveyor 232a is sent to the reverse spiral blade 232a2 to generate resistance. It is possible to surely drop the conveyed material to the third discharge port 2322. Further, as shown in FIG. 6, FIG. 7, and FIG. 8, in the first to fourth screw conveyors (212a, 212b, 222a, 232a), the third screw conveyor 222a is exemplified below (other screw conveyors) The spiral blades of the machine may also have the same technical feature: a plurality of notches or apertures are provided in the spiral blade 222a1 of each pitch 222a2 (circular 360 degrees from the beginning of the pitch 222a2 to the rear end position) 222a3, further, the plurality of notches or apertures 222a3 are preferably three, and are evenly distributed to each other at a pitch of 222a2 per unit pitch of 222a2 (but not On the basis of this, in addition, the shape of the notch or the opening 222a3 is not limited, and the gas in the trough can be easily passed and the feeding pressure of the spiral blade 222a1 can be reduced.

In addition, in the above embodiment, the first furnace body 21 (or the first furnace body reactor 212) and the second furnace body 22 (or the second furnace body reactor 222) are disposed at substantially 90 degrees in a plan view. And the head end (feed end) of the first furnace body 21 (or the first furnace body reactor 212) is a fixed end, and the tail end and other (second and third) furnace reactors are set as movable ends. In this way, when the tail end (discharge port end) of the first furnace body 21 is heated to generate an axial expansion displacement, when the head end (feeding direction) of the second furnace body 22 is interlocked, the second The furnace body 22 only needs to be laterally yawed, which is less likely to affect the displacement of the tail end (discharge direction) of the second furnace body 22. Similarly, the second furnace body 22 and the third furnace body 23 are substantially in plan view. The same effect is also achieved when setting 90 degrees to each other.

Further, the pipeline between the first discharge port 2122 and the second inlet port 2221, and/or the second discharge port 2222 and the third inlet port 2321 may be connected. The bellows joint B (shown in Fig. 6) can maintain a good connection state when the joints at both ends of the pipeline are subjected to the displacement of thermal expansion and contraction.

Please refer to Figure 5 and Figure 6. The continuous thermal desorption and cracking apparatus 10 of the present embodiment further comprises a feeding device 30, comprising: a buffer storage tank 301, which can stably supply the processed product A, and a feeding screw conveyor 31 connected to the buffer. The hopper 301 is configured to obtain the processed material A, and the spiral blade 310 of the feed screw conveyor 31 is used to transport from the front to the rear. The feed chute of the feed screw conveyor 31 is generally configured to have an inlet low and an outlet. The high inclination angle, the spiral blade 310 disposed from the front to the rear in the trough is not disposed in the vicinity of a discharge port 311, so that the feed screw conveyor 31 conveys the workpiece A to the segment without the spiral blade 310. When the workpiece A is accumulated in the conveying trough of the section, after the workpiece A fills the trough, the processed material A filling the trough will be completed. The body is disposed on the discharge port 311, and the discharge pipe 3110 behind the discharge port 311 of the feed screw conveyor 31 is provided with a partition device 312 (which can be made of rubber). The discharge pipe 3110 has a cross-sectional space divided into two places, and is connected to the first screw conveyor 212a feed port 212a1 and the second screw conveyor 212b feed port 212b1 by a connecting pipe (313, 313'), so as to be more uniform. The workpiece A is dispensed into the first screw conveyor 212a and the second screw conveyor 212b for processing.

Furthermore, as shown in FIG. 6, in order to cause the processed material A to enter the first furnace body reactor 212, oxygen is not entrained, and the first furnace body reactor 212 is oxidized, thereby reducing the yield and even exploding. The feeding device 30 further includes a nitrogen gas purging system 32 which supplies a nitrogen gas 3211 by using a nitrogen gas generator 321 and is blown into the buffer hopper 301 and the feed screw conveyor 31 by the nitrogen gas 3211. The throat space 3011 is such that the throat space 3011 is filled with nitrogen gas 3211 and the air is blown away from the feed inlet 313 of the feed screw conveyor 31.

As shown in Figure 1 to Figure 4, Figure 9. The continuous thermal desorption and cracking apparatus 10 of the present embodiment may further include a combustion furnace 40, and the hot air generated by the combustion furnace 40 is sent out through a hot air outlet pipe, and then divided into a first hot air delivery pipe 41. And a second hot air duct 42 is connected, the first tube hot air duct 41 is connected to the first jacket inlet 2111, and the hot air is sent into the first jacket 211 to fill the first jacket 211 space with hot air. The first furnace body reactor 211 is heated, and the heated hot air is discharged from the first jacket outlet 2112. The second hot air delivery pipe 42 is connected to the second jacket inlet 2211 for the second furnace. The body reactor 222 is heated, and the heated hot air is discharged from the second jacket outlet 2212. In an embodiment, the second hot air duct 42 is further provided with a flow control device 43 for controlling the second according to the temperature of the first jacket outlet 2112 and the second jacket outlet 2212. The hot air in the hot air duct 42 enters the flow rate of the second jacket inlet 2211, because in the present creation, the heat energy required for the first furnace reactor 212 must be higher than the The thermal energy of the second furnace reactor 222, such that when the temperature of the first jacket outlet 2112 is not higher than the temperature of the second jacket outlet 2212, even if the flow control device 43 reduces the second hot air duct 42 into the The hot air of the second jacket inlet 2211 is such that a larger portion of the hot air flows into the first tube hot air duct 41 into the first jacket 211, thereby increasing the heating of the first furnace reactors 212. energy.

Further, as shown in FIG. 1, the above-mentioned combustion furnace 40 can use a dual fuel system, a process gas produced by the processing process of the three-stage reactor system 20, and a cracking oil produced by the process. And forming the oil and gas 47 of the atomized fuel, and controlling the use of the dual fuel system by the temperature of the combustion furnace 40. When the process gas 48 is insufficient, the pyrolysis oil is started to form the oil and gas 47 of the atomized fuel to be supplied to the burner 401 (cooperating with the supply) The first combustion air 45 and the second combustion air 46) cause the hot gas temperature to reach the temperature required for the reaction.

In addition, please refer to Figure 1 ~ Figure 4. In an embodiment, the first jacket inlet 2111 and the second jacket inlet 2211 are respectively disposed in the first jacket 211 and the second jacket 221 in a lower half space viewed in a horizontal direction. The first jacket 211 is provided with another upper space corresponding to the outer space of the first furnace body 21 and located in the horizontal direction of the first furnace body reactor 212 and the first furnace body. a heat conducting hole 2113 communicating with the internal space of the reactor 212, the second jacket outlet 2211 being connected to the heat conducting hole 2113 by a heat resistant conduit 44 to heat the second hot air conveying pipe 42 after the second furnace body reactor 222 The hot air still holding a certain temperature is further introduced into the upper portion of the first furnace body reactor 212 to maintain and supplement the heating temperature of the first furnace body reactor 212 to achieve the effect of waste heat utilization.

As shown in FIG. 4 and FIG. 9 , in an embodiment, the continuous thermal desorption and cracking apparatus 10 may further include a cooling water circulation unit 50 including a connection to the third jacket inlet 2311 . And a cooling pipe 51 of the third jacket outlet 2312, so that the cooling water fills the inner space of the third jacket 231. Of course, a pump (not shown) can be applied to the cooling pipe 51 to keep the cooling water constant. A cycle is used to cool the third furnace reactor 232.

According to the continuous thermal desorption and cracking apparatus 10 described above, the application feeding device 30 can provide the first and second screw conveyors in which the processed material A (such as waste rubber, waste tire) is stably equally divided into the first furnace body reactor 212. The first furnace body reactor 212 is heated by the hot air generated by the combustion furnace 40 during the (212a, 212b) and continuous processing of the workpiece A, to perform the first stage: the heating desorption stage. Then, the first furnace body reactor 212 transports the desorbed processed material A to the third screw conveyor 222a of the second furnace body reactor 222 for continuous transportation while applying the hot air generated by the combustion furnace 40. Heating to perform the second stage: desorption cracking stage operation, as shown in FIG. 1, FIG. 3 and FIG. 9, at this time, the process gas gas 48 produced by the second furnace body reactor 222 can be discharged from the process gas output port 2223. It can be directed (eg, via a gas and oil and gas processing unit 60) to the burner 401 of the furnace 40 as one of the fuel sources for the furnace 40, after which the debonded and cracked processed material A is transferred to In the third screw conveyor 232a of the third furnace body reactor 232, while continuing to transport, the third jacket 231 of the third furnace reactor 232 is cooled by the cooling water circulation unit 50 to make the workpiece A The temperature is lowered to perform the third stage: the reaction termination stage, and the carbon black is output from the third discharge port 2322 of the third furnace reactor 232. Because the residual amount of carbon black hydrocarbon is a micro-level, controlling the carbon black temperature not only ensures that the desorption cracking reaction is completely terminated, but also eliminates the reaction of the external reaction of the reactor to cause carbon black combustion or a small amount of cracking gas to escape. It is dangerous that the third discharge port 2322 of the third furnace body reactor 232 can be configured to rotate the throttle valve to prevent air from entering the third furnace body reactor 232 to generate an oxidation reaction.

In summary, it is only the technical hand used to present the problem in solving this problem. The preferred embodiments or examples of the paragraphs are not intended to limit the scope of the practice of the present invention. Any change or modification that is consistent with the scope of the patent application scope of this creation or the scope of the patent creation is covered by the scope of the creation patent.

20‧‧‧Three-stage reactor system

21‧‧‧First furnace body

211‧‧‧ first jacket

2111‧‧‧First jacket entry

2112‧‧‧First jacket outlet

2113‧‧‧thermal hole

212‧‧‧First furnace reactor

2121‧‧‧First inlet

2122‧‧‧First discharge opening

212a‧‧‧First screw conveyor

212a1‧‧‧ feed inlet

212a2‧‧‧ discharge opening

212b‧‧‧Second screw conveyor

212b1‧‧‧ feed inlet

212b2‧‧‧ discharge opening

22‧‧‧second furnace body

221‧‧‧Second jacket

2211‧‧‧Second jacket entry

2212‧‧‧Second jacket outlet

222‧‧‧Second furnace reactor

2221‧‧‧Second inlet

2222‧‧‧Second outlet

222a‧‧‧3rd screw conveyor

2223‧‧‧Process gas outlet

23‧‧‧ Third furnace body

231‧‧‧ third jacket

2311‧‧‧ third jacket entry

2312‧‧‧ Third jacket outlet

232‧‧‧ Third furnace reactor

2321‧‧‧ third inlet

2322‧‧‧ third discharge opening

232a‧‧‧fourth screw conveyor

40‧‧‧burning furnace

401‧‧‧ burner

41‧‧‧First tube hot air duct

42‧‧‧Second hot air duct

43‧‧‧Flow control device

44‧‧‧Heat-resistant catheter

45‧‧‧First combustion air

46‧‧‧Second combustion air

47‧‧‧Oilated oil and gas

48‧‧‧Process gas

51‧‧‧Cooling line

Claims (10)

A continuous thermal desorption and cracking apparatus having a three-stage reactor system for continuously processing a workpiece, the three-stage reactor system comprising: a first furnace body disposed substantially horizontally, the first The furnace space in a furnace body constitutes a first jacket for heat resistance and heat preservation, and the first jacket has a first jacket inlet and a first jacket outlet, and the first jacket inner space is sleeved with a plurality of first a furnace body reactor, each of the first furnace body reactors is provided with a first inlet opening open to the outside space of the first jacket and an opening 1 and a first outlet opening An axial conveying structure conveyed from the first inlet port to the first discharge port, wherein the first inlet port is disposed outside the first furnace body; a second furnace body, the furnace inside thereof The space is formed with a second jacket which is heat-resistant and heat-insulating. The second jacket has a second jacket inlet and a second jacket outlet, and the second jacket is provided with a second furnace reactor. The second furnace body reactor is provided with a second inlet port connecting the first discharge ports and a second discharge port having a downward opening, an axial conveying structure for conveying the workpiece from the second inlet port to the second discharge port, and a process gas output port communicating with the outer space of the second furnace body; And a third furnace body, wherein the inner furnace space constitutes a third jacket, the third jacket has a third jacket inlet and a third jacket outlet, and the third jacket is provided with a first sleeve a three-furnace reactor, the third furnace body reactor is provided with a third inlet port corresponding to the second discharge port and a third discharge port opening downward and the workpiece is processed from the third material The port is conveyed to an axial conveying structure of the third discharging port, and the third discharging port is disposed outside the third furnace body; wherein the first furnace body and the second furnace body are in a plan view direction They are roughly 90 degrees apart. Continuous thermal desorption with a three-stage reactor system as described in claim 1 a cracking apparatus, wherein the first furnace reactors are first and second screw conveyors, and the second and third furnace reactors are third and fourth screw conveyors, respectively, the first to the first The spiral blade of the four-screw conveyor is arranged after the corresponding discharge port, and at least one of the screw conveyors, the spiral direction of the spiral blade after the discharge port thereof comprises the spiral blade before the discharge port The opposite direction of the spiral. The continuous thermal desorption and cracking apparatus having a three-stage reactor system according to claim 2, further comprising: a feeding device comprising a buffer storage tank for stably supplying the workpiece, a feeding screw conveyor is connected to the buffer storage tank to obtain a processed object, and is conveyed by a spiral blade of the feeding screw conveyor, and the feeding screw conveyor is not provided with a spiral before a discharge port a blade, the baffle of the feed screw conveyor is provided with a baffle device, and the cross-sectional space after the discharge port is divided into two, respectively, connected to the first screw conveyor feed port by a connecting pipe and the The second screw conveyor feed port distributes the workpiece into the first screw conveyor and the second screw conveyor more evenly. The continuous thermal desorption and cracking apparatus having a three-stage reactor system according to claim 3, wherein the feeding device further comprises a nitrogen blowing system, and a nitrogen generator is used to supply nitrogen, and The nitrogen space is blown into the throat space between the buffer hopper and the feed screw conveyor. The continuous thermal desorption and cracking device with a three-stage reactor system according to claim 1, further comprising a combustion furnace, wherein the hot air produced by the combustion furnace is respectively composed of a first hot air duct And a second hot air duct output, the first tube hot air duct is connected to the first jacket inlet for feeding hot air into the first jacket, and heating the first furnace reactors, The heated hot air is discharged from the first jacket outlet, and the second hot air duct output is connected to the second jacket inlet for heating the second furnace reactor in the second jacket, after heating Hot air is discharged from the second jacket outlet. The continuous thermal desorption and cracking apparatus having a three-stage reactor system according to claim 5, wherein the second hot air duct is further provided with a flow control device according to the first jacket outlet And the temperature of the outlet of the second jacket, controlling the flow of hot air in the second hot air duct into the inlet of the second jacket. The continuous thermal desorption and cracking apparatus having a three-stage reactor system according to claim 5, wherein the first jacket inlet and the second jacket inlet are respectively disposed in the first clamp a lower half space of the second jacket viewed in a horizontal direction, and an upper half space viewed in a horizontal direction of the first furnace body reactor is provided to communicate with an internal space of the first furnace body reactor a heat conducting hole, the second jacket outlet being connected to the heat conducting hole by a heat resistant conduit. The continuous thermal desorption and cracking apparatus having a three-stage reactor system according to claim 1, further comprising a cooling water circulation unit including a third jacket inlet and the third clamp A cooling line is provided for the outlet to allow cooling water to enter the third jacket to cool the third furnace reactor. The continuous thermal desorption and cracking apparatus having a three-stage reactor system as described in claim 1, wherein each of the spiral blades of the pitch conveyor is provided with a plurality of notches or orifices . The continuous thermal desorption and cracking apparatus having a three-stage reactor system according to claim 9, wherein the plurality of notches or orifices are three, and are equally distributed to each other at 120 degrees. Each step is on the spiral blade of the unit.