An environmentally friendly oil sludge thermal treatment cracking device

Abstract

The invention relates to the technical field of oil sludge treatment, and discloses an environment-friendly oil sludge heat treatment cracking device, comprising an oil sludge box and a mud delivery barrel; further comprising an axis tube, spiral blades, multiple groups of stirring rods, multiple coils, an air outlet pipe 1 and multiple air outlet pipe 2, wherein the axis tube is rotatably installed in the oil sludge box and the mud delivery barrel, multiple sections of spiral blades are arranged on the outer wall of the axis tube, the multiple groups of stirring rods are respectively located between the multiple sections of spiral blades in the mud delivery barrel, the multiple groups of stirring rods are made of magnetic conductive material, multiple coils are sleeved on the outer wall of the mud delivery barrel, the multiple coils are respectively aligned with the multiple groups of stirring rods, an exhaust hole and multiple air outlet holes are arranged on the outer wall of the mud delivery barrel, the exhaust hole and the multiple air outlet holes are respectively located above the multiple groups of stirring rods, the air outlet pipe 1 is connected to the exhaust hole of the mud delivery barrel, and the multiple air outlet pipes 2 are respectively connected to the multiple air outlet holes; the oil sludge is subjected to multi-stage heat treatment cracking inside the cracking device, the heating of the oil sludge is more direct, the thermal efficiency is improved, and the practicability is good.

Description

Technical Field

[0001] The invention relates to the technical field of oil sludge treatment, in particular to an environmentally friendly oil sludge thermal treatment cracking device. Background Art

[0002] The oil sludge contains a large amount of residual oil and odorous toxic substances such as benzene, phenols, anthracene, etc. and a large amount of toxic and harmful substances such as pathogens, heavy metals, polychlorinated biphenyls, dioxins, etc. In the prior art, a variety of oil sludge cracking equipment has been proposed, such as the oil sludge cracking treatment method proposed in the Chinese invention patent with the authorization number CN110695057B. The equipment uses the first heating device and the second heating device combined with the sixth temperature sensor to preheat the material while also reusing the heat of the synthesis gas to save energy. The secondary heating of the second heating device improves the thermal evaporation and cracking degree of the moisture and light components in the material, so that the high-temperature plasma melting device always performs high-temperature cracking treatment on the heavy oil residue, thereby improving the degree of harmless treatment.

[0003] However, the above-mentioned prior art still adopts the method of heating the outer wall of the cracking device, heating the oil sludge therein after the outer wall of the cracking device is heated. The heating of the oil sludge is not direct enough. Even if the outer wall of the cracking device is isolated by an insulation layer, heat will be released into the environment, resulting in reduced thermal efficiency. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide an environmentally friendly oil sludge heat treatment cracking device which performs multi-stage heat treatment cracking on oil sludge inside a cracking device, heats the oil sludge more directly, improves thermal efficiency, and has good practicality.

[0005] In order to solve the above technical problems, the technical solutions adopted by the present invention are as follows.

[0006] An environmentally friendly oil sludge thermal treatment cracking device comprises an oil sludge box and a mud feeding cylinder, wherein a storage chamber is arranged inside the oil sludge box, a feeding port connected to the storage chamber is arranged on the upper part of the oil sludge box, the mud feeding cylinder is cylindrical, and the input end of the mud feeding cylinder is connected to the storage chamber of the oil sludge box; the device also comprises an axis tube, spiral blades, multiple groups of stirring rods, multiple coils, an air outlet pipe 1 and multiple air outlet pipes 2, the axis tube is rotatably installed in the oil sludge box and the mud feeding cylinder, multiple sections of spiral blades are arranged on the outer wall of the axis tube, the multiple sections of spiral blades are respectively located in the storage chamber of the oil sludge box and in the mud feeding cylinder, the multiple groups of spiral blades are respectively located in the storage chamber of the oil sludge box and in the mud feeding cylinder, and the multiple groups of spiral blades are respectively located in the storage chamber of the oil sludge box and in the mud feeding cylinder. The stirring rods are all installed on the shaft tube, and the multiple groups of stirring rods are respectively located between the multiple spiral blades in the mud delivery barrel. The multiple groups of stirring rods are made of magnetic conductive material. The multiple coils are mounted on the outer wall of the mud delivery barrel, and the multiple coils are respectively aligned with the multiple groups of stirring rods. An exhaust hole and multiple air outlet holes are arranged on the outer wall of the mud delivery barrel. The exhaust hole and the multiple air outlet holes are respectively located above the multiple groups of stirring rods. The input end of the air outlet pipe 1 is connected to the exhaust hole of the mud delivery barrel, and the input ends of the multiple air outlet pipes 2 are respectively connected to the multiple air outlet holes; the sludge is input into the storage chamber through the feeding port of the sludge box. In the process, the feeding port is closed, the storage chamber of the oil mud box is evacuated, the shaft tube is driven to rotate, the shaft tube drives the multiple spiral blades and the multiple stirring rods to rotate, the spiral blades in the storage chamber of the oil mud box push the oil mud into the mud delivery barrel, the multiple spiral blades on the multiple shaft tubes cooperate to push the oil mud from the input end to the output end of the mud delivery barrel, the multiple stirring rods stir and mix the oil mud, the multiple coils are energized, the multiple stirring rods are heated in the magnetic field formed by the multiple coils respectively, and the power of the multiple coils is adjusted so that the multiple stirring rods are heated to different temperatures. The stirring rods are respectively used to heat the oil sludge at different temperatures, and the temperature of the sludge delivery tube is gradually increased from the input end to the output end, so that water vapor and organic waste gas in the oil sludge are evaporated and discharged through the outlet pipe 1, so that the crude oil in the oil sludge is cracked into different gases at different temperatures, and the different gases are respectively discharged through the plurality of outlet pipes 2, thereby realizing multi-stage heat treatment cracking of the oil sludge, and heating the oil sludge inside the cracking device, so that the heating of the oil sludge is more direct, reducing the heat released from the outer wall of the cracking device to the environment, improving thermal efficiency, and having good practicality.

[0007] Preferably, it also includes a fan, an exhaust pipe, an air pipe and a combustion spray gun, the output end of the exhaust pipe is connected to the input end of the fan, the input end of the exhaust pipe is connected to the output end of the fan, the input end of the air pipe is inserted into the middle of the exhaust pipe, the output end of the air pipe faces the air supply direction of the exhaust pipe, the output end of the exhaust pipe is rotatably connected to the end of the shaft pipe, the combustion spray gun is connected to the output end of the exhaust pipe, and the nozzle of the combustion spray gun extends into the shaft pipe; the operation of the fan will extract the water vapor and exhaust gas discharged through the exhaust pipe and transport them to the combustion spray gun through the exhaust pipe, and air is input into the exhaust pipe through the air pipe, so that the mixed gas is input into the combustion spray gun, and the mixed gas is extended into the shaft pipe through the combustion spray gun and ignited, so that the exhaust gas burns in the shaft pipe to generate heat to heat the sludge in the mud delivery tube, and the gas generated after combustion is discharged from the mud delivery tube through the shaft tube, thereby realizing the treatment of the exhaust gas and utilizing the heat generated, which has good practicality.

[0008] Preferably, an air filter is installed on the input end of the air pipe; by providing the air filter, external dust and the like are reduced from entering the exhaust pipe, thereby improving reliability.

[0009] Preferably, a rotary joint is also included, and the output end of the exhaust pipe is rotatably connected to the end of the shaft pipe through the rotary joint; by setting the rotary joint, the shaft pipe and the exhaust pipe are reliably connected and the sealing is guaranteed.

[0010] Preferably, it also includes multiple breathable baffles, and breathable baffles are arranged in the waste gas hole and multiple outlet holes of the mud feeding tube; the oil sludge inside the mud feeding tube is blocked by the multiple breathable baffles, and the waste gas and thermal cracking gas are smoothly output, avoiding blockage of the outlet pipe one and multiple outlet pipes two, and the usability is good.

[0011] Preferably, it also includes an interlayer sleeve and a condenser, the interlayer sleeve is sleeved on the outer wall of the mud delivery tube, a plurality of independent interlayer channels are arranged in the interlayer sleeve, the output ends of a plurality of gas outlet pipes are respectively connected with the input ends of the plurality of independent interlayer channels, the condenser is provided with a cooling medium input pipe and an output pipe, the output ends of the plurality of independent interlayer channels are respectively connected with the plurality of input ends of the condenser; the waste heat of the pyrolysis gas in the plurality of gas outlet pipes is input into the interlayer sleeve to heat the mud delivery tube, thereby realizing the utilization of the waste heat of the pyrolysis gas; the pyrolysis gas is input into the condenser and then cooled into a liquid, and the liquid is output from the condenser for easy and independent recovery, thus having good practicality.

[0012] Preferably, it also includes multiple breaking rods, which are respectively installed on the outer wall of the shaft tube and are located in the output end of the mud delivery tube; when the shaft tube rotates, the multiple breaking rods are driven to rotate, and the multiple breaking rods stir and break the output oil sludge residue to avoid the mud residue blocking the output end of the mud delivery tube, thereby improving reliability.

[0013] Preferably, it also includes a feed pipe, a receiving box and a receiving hopper. The upper end of the feed pipe is connected to the output end of the mud feeding tube, and the lower end of the feed pipe extends into the receiving box. The receiving hopper is detachably installed in the receiving box. The oil sludge residue output from the mud feeding tube is transported to the receiving box through the feed pipe, and the receiving hopper receives the oil sludge residue. Since the feed pipe and the receiving box are both sealed, it is beneficial to improve the vacuum degree of the equipment and improve the oil sludge cracking efficiency.

[0014] Preferably, it also includes a sieve plate and a second receiving hopper, the sieve plate is obliquely installed in the receiving box, the sieve plate is located below the discharge pipe, and the second receiving hopper is detachably installed in the receiving box, and the second receiving hopper is located below the bottom end of the sieve plate; during the thermal cracking of the sludge, different materials in the sludge are fused with each other to form particles of different sizes, and the sieve plate receives the sludge conveyed by the discharge pipe and screens it, so that small particles of sludge fall into the first receiving hopper through the sieve holes of the sieve plate, and large particles of sludge fall into the second receiving hopper along the sieve plate, thereby realizing the screening of the sludge.

[0015] Preferably, it also includes a cam, a support rod, a spring and a connecting rod, one end of the screen plate is rotatably connected to the material receiving box, one end of the shaft tube extends out of the output end of the mud feeding cylinder, the cam is installed on the end of the shaft tube, the middle part of the support rod is vertically slidably installed on the top wall of the material receiving box, the upper end of the support rod contacts the wheel surface of the cam, the upper end of the spring is connected to the support rod, and the lower end of the spring is connected to the material receiving box. The elastic force of the spring pushes the support rod to rise and contact closely with the cam, the upper end of the connecting rod is rotatably connected to the lower end of the support rod, and the lower end of the connecting rod is rotatably connected to the other end of the screen plate; the elastic force of the spring keeps the support rod in close contact with the cam at all times, and the cam is driven to rotate when the shaft tube rotates, and the cam pushes the support rod to reciprocate and rise and fall, and the support rod drives one end of the screen plate to move up and down through the connecting rod, so that the screen plate shakes, thereby improving the screening effect of oil sludge residue.

[0016] Due to the adoption of the above technical scheme, the technical progress achieved by the present invention is as follows.

[0017] The invention realizes multi-stage heat treatment cracking of oil sludge and heats the oil sludge inside the cracking device, so the heating of the oil sludge is more direct, the heat released from the outer wall of the cracking device to the environment is reduced, the thermal efficiency is improved, and the practicability is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the present invention;

[0019] Figure 2 It is a front cross-sectional structural schematic diagram of the present invention;

[0020] Figure 3 It is a schematic diagram of the axonometric partial cross-sectional structure of the present invention;

[0021] Figure 4 It is a schematic diagram of a left axonometric partial cross-section of the present invention;

[0022] Figure 5 It is a schematic diagram of the structure of the shaft tube, spiral blades and stirring rod;

[0023] Figure 6 yes Figure 4 A schematic diagram of the local enlarged structure at B in the middle;

[0024] Figure 7 It is a schematic diagram of the structure of the exhaust pipe, fan, exhaust pipe, air pipe and combustion spray gun;

[0025] Figure 8 It is a schematic diagram of the structure of the second outlet pipe, the air-permeable baffle, the interlayer sleeve and the condenser;

[0026] Fig. 9 yes Figure 3 A schematic diagram of the local enlarged structure at point A in the middle;

[0027] Fig.10 It is a schematic diagram of the structure of the shaft tube, screen plate, cam, support, spring and connecting rod.

[0028] Markings in the attached figure: 1. Sludge box; 2. Sludge delivery cylinder; 3. Shaft tube; 4. Spiral blade; 5. Stirring rod; 6. Coil; 7. Exhaust pipe 1; 8. Exhaust pipe 2; 9. Fan; 10. Exhaust pipe; 11. Air pipe; 12. Combustion spray gun; 13. Air filter; 14. Breathable partition; 15. Interlayer sleeve; 16. Condenser; 17. Rotary joint; 18. Breaking rod; 19. Feeding pipe; 20. Feeding box; 21. Feeding hopper 1; 22. Sieve plate; 23. Feeding hopper 2; 24. Cam; 25. Support rod; 26. Spring; 27. Connecting rod. DETAILED DESCRIPTION

[0029] In order to facilitate understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive. Example

[0030] like Figures 1 to 7As shown, an environmentally friendly oil sludge thermal treatment cracking device comprises an oil sludge box 1 and a mud feeding tube 2. A storage chamber is arranged inside the oil sludge box 1. A feeding port connected to the storage chamber is arranged on the upper part of the oil sludge box 1. The mud feeding tube 2 is cylindrical. The input end of the mud feeding tube 2 is connected to the storage chamber of the oil sludge box 1. The device also comprises an axis tube 3, spiral blades 4, multiple groups of stirring rods 5, multiple coils 6, an outlet pipe 1 7 and multiple outlet pipes 2 8. The axis tube 3 is rotatably installed in the oil sludge box 1 and the mud feeding tube 2. The outer wall of the axis tube 3 A plurality of spiral blades 4 are arranged on the shaft tube 3, and the plurality of spiral blades 4 are respectively located in the storage chamber of the oil mud box 1 and in the mud delivery tube 2. A plurality of stirring rods 5 are installed on the shaft tube 3, and the plurality of stirring rods 5 are respectively located between the plurality of spiral blades 4 in the mud delivery tube 2. The plurality of stirring rods 5 are made of magnetic conductive material. A plurality of coils 6 are sleeved on the outer wall of the mud delivery tube 2, and the plurality of coils 6 are respectively aligned with the plurality of stirring rods 5. An exhaust hole and a plurality of exhaust holes are arranged on the outer wall of the mud delivery tube 2. The exhaust hole and the plurality of exhaust holes are respectively arranged on the outer wall of the mud delivery tube 2. The air holes are respectively located above the multiple groups of stirring rods 5, the input end of the air outlet pipe 7 is connected to the exhaust hole of the mud delivery tube 2, and the input ends of the multiple air outlet pipes 8 are respectively connected to the multiple air outlet holes; it also includes a fan 9, an exhaust pipe 10, an air pipe 11 and a combustion spray gun 12, the output end of the air outlet pipe 7 is connected to the input end of the fan 9, the input end of the exhaust pipe 10 is connected to the output end of the fan 9, the input end of the air pipe 11 is inserted into the middle of the exhaust pipe 10, and the output end of the air pipe 11 is toward the exhaust pipe 1 0, the output end of the exhaust pipe 10 is rotatably connected to the end of the shaft tube 3, the combustion spray gun 12 is connected to the output end of the exhaust pipe 10, and the nozzle of the combustion spray gun 12 extends into the shaft tube 3; it also includes an air filter 13 installed on the input end of the air pipe 11; it also includes a rotary joint 17, the output end of the exhaust pipe 10 is rotatably connected to the end of the shaft tube 3 through the rotary joint 17; it also includes a plurality of air permeable baffles 14, and air permeable baffles 14 are provided in the exhaust hole and a plurality of air outlet holes of the mud delivery barrel 2.

[0031] The sludge is input into the storage chamber through the feeding port of the sludge box 1, the feeding port is closed, the storage chamber of the sludge box 1 is evacuated, the shaft tube 3 is driven to rotate, and the shaft tube 3 and the exhaust pipe 10 are reliably connected by setting a rotary joint 17, and the sealing is ensured. The shaft tube 3 drives the multi-stage spiral blades 4 and the multiple groups of stirring rods 5 to rotate, and the spiral blades 4 in the storage chamber of the sludge box 1 push the sludge into the sludge delivery barrel 2. The multi-stage spiral blades 4 on the multiple shaft tubes 3 cooperate to push the sludge from the input end to the output end of the sludge delivery barrel 2. The plurality of stirring rods 5 are used to stir and mix the oil sludge, and the plurality of coils 6 are energized so that the plurality of stirring rods 5 are respectively heated in the magnetic field formed by the plurality of coils 6. By adjusting the power of the plurality of coils 6, the plurality of stirring rods 5 are heated to different temperatures, so that the plurality of stirring rods 5 heat the oil sludge at different temperatures respectively, and the temperature of the mud delivery tube 2 is gradually increased from the input end to the output end, so that the water vapor and the organic waste gas in the oil sludge evaporate and are discharged through the outlet pipe 7, so that the crude oil in the oil sludge is cracked into different gases at different temperatures, and the different gases are respectively discharged through the plurality of outlet pipes 8. The oil sludge inside the mud delivery tube 2 is blocked by a plurality of air-permeable baffles 14, and the waste gas and the thermal cracking gas are smoothly output to avoid the blockage of the outlet pipe 7 and the plurality of outlet pipes 8. The fan 9 is operated to extract the water vapor and waste gas discharged from the outlet pipe 7 and transport them to the combustion spray gun 12 through the waste pipe 10, and air is input into the waste pipe 10 through the air pipe 11, so that the mixed gas is input into the combustion spray gun 12. By setting the air The air filter 13 reduces the entry of external dust into the exhaust pipe 10, and the mixed gas is extended into the shaft tube 3 and ignited through the combustion spray gun 12, so that the exhaust gas burns in the shaft tube 3 to generate heat to heat the sludge in the sludge delivery tube 2, and the gas generated after combustion is discharged from the sludge delivery tube 2 through the shaft tube 3, thereby treating the exhaust gas and utilizing the heat generated by the exhaust gas, realizing multi-stage thermal treatment and cracking of the sludge, and heating the sludge inside the cracking equipment, so that the heating of the sludge is more direct, and the heat released from the outer wall of the cracking equipment to the environment is reduced. Example

[0032] like Figure 1 , Figure 2 , Figure 3 , Figure 8 and Fig. 9 As shown, on the basis of Example 1, it also includes an interlayer sleeve 15 and a condenser 16. The interlayer sleeve 15 is sleeved on the outer wall of the mud delivery tube 2. A plurality of independent interlayer channels are arranged in the interlayer sleeve 15. The output ends of the plurality of air outlet pipes 8 are respectively connected to the input ends of the plurality of independent interlayer channels. The condenser 16 is provided with a cooling medium input pipe and an output pipe. The output ends of the plurality of independent interlayer channels are respectively connected to the plurality of input ends of the condenser 16.

[0033] The waste heat of the pyrolysis gas in the multiple outlet pipes 8 input into the interlayer sleeve 15 heats the mud delivery tube 2, thereby utilizing the waste heat of the pyrolysis gas. The pyrolysis gas is input into the condenser 16 and then cooled into liquid, which is then output from the condenser 16 for easy independent recovery. Example

[0034] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Fig.10 As shown, on the basis of Example 1, it also includes a plurality of crushing rods 18, which are respectively installed on the outer wall of the shaft tube 3, and the plurality of crushing rods 18 are located in the output end of the mud delivery tube 2; it also includes a feed pipe 19, a receiving box 20 and a receiving hopper 21, the upper end of the feed pipe 19 is connected to the output end of the mud delivery tube 2, the lower end of the feed pipe 19 extends into the receiving box 20, and the receiving hopper 21 is detachably installed in the receiving box 20; it also includes a sieve plate 22 and a receiving hopper 23, the sieve plate 22 is obliquely installed in the receiving box 20, the sieve plate 22 is located below the feed pipe 19, the receiving hopper 23 is detachably installed in the receiving box 20, and the receiving hopper 23 is located at the sieve plate 22 The bottom end of the bottom end of the sieve plate 22 is also included; a cam 24, a strut 25, a spring 26 and a connecting rod 27. One end of the sieve plate 22 is rotatably connected to the receiving box 20. One end of the shaft tube 3 extends out of the output end of the mud feeding tube 2. The cam 24 is mounted on the end of the shaft tube 3. The middle part of the strut 25 is vertically slidably mounted on the top wall of the receiving box 20. The upper end of the strut 25 contacts the wheel surface of the cam 24. The upper end of the spring 26 is connected to the strut 25. The lower end of the spring 26 is connected to the receiving box 20. The elastic force of the spring 26 pushes the strut 25 to rise and contact closely with the cam 24. The upper end of the connecting rod 27 is rotatably connected to the lower end of the strut 25, and the lower end of the connecting rod 27 is rotatably connected to the other end of the sieve plate 22.

[0035] During the thermal cracking of oil sludge, different materials in the oil sludge fuse with each other to form particles of different sizes. When the shaft tube 3 rotates, it drives multiple crushing rods 18 to rotate. Multiple crushing rods 18 stir and break the output oil sludge residue to prevent the output end of the mud feeding tube 2 from being blocked by the mud residue. The oil sludge residue output from the mud feeding tube 2 is transported to the receiving box 20 through the discharge pipe 19. The sieve plate 22 receives the mud residue transported by the discharge pipe 19 and screens it. The elastic force of the spring 26 keeps the support rod 25 in close contact with the cam 24 at all times. When the shaft tube 3 rotates, it drives the cam 24 to rotate. The cam 24 pushes the support rod 25 to reciprocate and rise and fall. The support rod 25 drives one end of the sieve plate 22 to move up and down through the connecting rod 27, so that the sieve plate 22 shakes, so that small particles of oil sludge residue pass through the sieve holes of the sieve plate 22 and fall into the receiving hopper 1 21, and large particles of oil sludge residue fall into the receiving hopper 2 23 along the sieve plate 22, thereby realizing the screening of the oil sludge residue.

[0036] like Figures 1 to 10 As shown, an environmentally friendly oil sludge heat treatment cracking device of the present invention, when working, firstly, the oil sludge is input into the storage chamber through the feeding port of the oil sludge box 1, the feeding port is closed, the storage chamber of the oil sludge box 1 is evacuated, the shaft tube 3 is driven to rotate, the shaft tube 3 drives the multi-section spiral blades 4, the multi-group stirring rods 5 and the multiple crushing rods 18 to rotate, the spiral blades 4 in the storage chamber of the oil sludge box 1 push the oil sludge into the mud delivery tube 2, the multi-section spiral blades 4 on the multiple shaft tubes 3 cooperate to push the oil sludge from the input end to the output end of the mud delivery tube 2, and the multiple groups of stirring rods 5 stir and mix the oil sludge. Then, the multiple coils 6 are energized, so that the multiple stirring rods 5 are heated in the magnetic field formed by the multiple coils 6 respectively. By adjusting the power of the multiple coils 6, the multiple stirring rods 5 are heated to different temperatures, so that the multiple stirring rods 5 heat the oil sludge at different temperatures respectively, and the temperature of the mud delivery tube 2 is gradually increased from the input end to the output end, so that the water vapor and the organic waste gas in the oil sludge evaporate and are discharged through the outlet pipe 7, so that the crude oil in the oil sludge is cracked into different gases at different temperatures, and the different gases are discharged through the multiple outlet pipes 8 respectively, and then the fan 9 is operated to The water vapor and waste gas are discharged from the gas outlet pipe 17 and extracted and transported to the combustion gun 12 through the waste gas pipe 10. Air is input into the waste gas pipe 10 through the air pipe 11, so that the mixed gas is input into the combustion gun 12. The mixed gas is extended into the shaft pipe 3 through the combustion gun 12 and ignited, so that the waste gas is burned in the shaft pipe 3 to generate heat to heat the sludge in the mud delivery tube 2. The gas generated after combustion is discharged from the mud delivery tube 2 through the shaft pipe 3. The thermal cracking gas in the multiple gas outlet pipes 28 is input into the interlayer sleeve 15. The residual heat of the gas heats the mud delivery tube 2, so as to achieve the thermal cracking gas. By utilizing the waste heat of the body, the thermal cracking gas is input into the condenser 16 and then cooled into liquid. The liquid is output from the condenser 16 for easy independent recovery. When the shaft tube 3 rotates, it drives the multiple crushing rods 18 to rotate. The multiple crushing rods 18 stir and crush the output oil sludge residue. Finally, the oil sludge residue output from the mud feeding tube 2 is transported to the receiving box 20 through the discharge pipe 19. The sieve plate 22 receives the sludge residue transported by the discharge pipe 19 and sieves it, so that small particles of oil sludge residue pass through the sieve holes of the sieve plate 22 and fall into the receiving hopper 1 21, and large particles of oil sludge residue fall into the receiving hopper 2 23 along the sieve plate 22.

[0037] The main functions achieved by the present invention are:

[0038] 1. The oil sludge is subjected to multi-stage heat treatment and cracking inside the cracking equipment, which makes the heating of the oil sludge more direct, improves the thermal efficiency and has good practicality;

[0039] 2. Ability to incinerate waste gas and utilize the heat generated during incineration;

[0040] 3. Ability to utilize waste heat from pyrolysis gas;

[0041] 4. It can crush and screen the mud residue.

[0042] The installation method, connection method or setting method of the environmentally friendly oil sludge heat treatment cracking device of the present invention are all common mechanical methods, and can be implemented as long as they can achieve their beneficial effects; the oil sludge box 1, mud delivery cylinder 2, shaft tube 3, spiral blade 4, coil 6, fan 9, air pipe 11, combustion spray gun 12, air filter 13, interlayer sleeve 15, condenser 16, rotary joint 17, sieve plate 22, cam 24, and spring 26 of the environmentally friendly oil sludge heat treatment cracking device of the present invention are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for creative labor by technicians in this field.

[0043] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. An environmentally friendly oil sludge thermal treatment cracking device, comprising an oil sludge box (1) and a sludge feeding tube (2), wherein a storage chamber is arranged inside the oil sludge box (1), a feeding port connected to the storage chamber is arranged at the upper part of the oil sludge box (1), the sludge feeding tube (2) is cylindrical, and an input end of the sludge feeding tube (2) is connected to the storage chamber of the oil sludge box (1); characterized in that: It also comprises a shaft tube (3), spiral blades (4), a plurality of stirring rods (5), a plurality of coils (6), an air outlet pipe 1 (7) and a plurality of air outlet pipe 2 (8), wherein the shaft tube (3) is rotatably mounted in the oil mud box (1) and the mud delivery tube (2), a plurality of spiral blades (4) are arranged on the outer wall of the shaft tube (3), and the plurality of spiral blades (4) are respectively located in the material storage chamber of the oil mud box (1) and in the mud delivery tube (2), and the plurality of stirring rods (5) are all mounted on the shaft tube (3), and the plurality of stirring rods (5) are respectively located in the mud delivery tube (2). Between the multiple sections of spiral blades (4), the multiple groups of stirring rods (5) are made of magnetic conductive material, the multiple coils (6) are mounted on the outer wall of the mud delivery tube (2), the multiple coils (6) are respectively aligned with the multiple groups of stirring rods (5), an exhaust hole and multiple exhaust holes are arranged on the outer wall of the mud delivery tube (2), the exhaust hole and the multiple exhaust holes are respectively located above the multiple groups of stirring rods (5), the input end of the exhaust pipe 1 (7) is connected to the exhaust hole of the mud delivery tube (2), and the input ends of the multiple exhaust pipes 2 (8) are respectively connected to the multiple exhaust holes; It also includes a fan (9), an exhaust pipe (10), an air pipe (11) and a combustion spray gun (12), wherein the output end of the exhaust pipe (7) is connected to the input end of the fan (9), the input end of the exhaust pipe (10) is connected to the output end of the fan (9), the input end of the air pipe (11) is inserted into the middle of the exhaust pipe (10), the output end of the air pipe (11) faces the air supply direction of the exhaust pipe (10), the output end of the exhaust pipe (10) is rotatably connected to the end of the shaft pipe (3), the combustion spray gun (12) is connected to the output end of the exhaust pipe (10), and the nozzle of the combustion spray gun (12) extends into the shaft pipe (3); It also includes an interlayer sleeve (15) and a condenser (16), wherein the interlayer sleeve (15) is sleeved on the outer wall of the mud delivery tube (2), a plurality of independent interlayer channels are arranged in the interlayer sleeve (15), the output ends of the plurality of air outlet pipes (8) are respectively connected to the input ends of the plurality of independent interlayer channels, the condenser (16) is provided with a cooling medium input pipe and an output pipe, and the output ends of the plurality of independent interlayer channels are respectively connected to the plurality of input ends of the condenser (16); It also includes a material discharge pipe (19), a material receiving box (20) and a material receiving hopper (21), wherein the upper end of the material discharge pipe (19) is connected to the output end of the mud delivery tube (2), the lower end of the material discharge pipe (19) extends into the material receiving box (20), and the material receiving hopper (21) is detachably installed in the material receiving box (20); It also includes a sieve plate (22) and a second material receiving hopper (23), wherein the sieve plate (22) is obliquely installed in the material receiving box (20), the sieve plate (22) is located below the material discharge pipe (19), and the second material receiving hopper (23) is detachably installed in the material receiving box (20), and the second material receiving hopper (23) is located below the bottom end of the sieve plate (22); The invention also comprises a cam (24), a support rod (25), a spring (26) and a connecting rod (27); one end of the screen plate (22) is rotatably connected to the material receiving box (20); one end of the shaft tube (3) extends out of the output end of the mud feeding tube (2); the cam (24) is mounted on the end of the shaft tube (3); the middle part of the support rod (25) is vertically slidably mounted on the top wall of the material receiving box (20); the upper end of the support rod (25) contacts the wheel surface of the cam (24); the upper end of the spring (26) is connected to the support rod (25); the lower end of the spring (26) is connected to the material receiving box (20); the elastic force of the spring (26) pushes the support rod (25) to rise and closely contact with the cam (24); the upper end of the connecting rod (27) is rotatably connected to the lower end of the support rod (25); and the lower end of the connecting rod (27) is rotatably connected to the other end of the screen plate (22).

2. The environmentally friendly oil sludge thermal treatment cracking device according to claim 1, characterized in that: The invention also comprises an air filter (13) installed on the input end of the air pipe (11).

3. The environmentally friendly oil sludge thermal treatment cracking device according to claim 1, characterized in that: It also comprises a rotary joint (17), through which the output end of the exhaust pipe (10) and the end of the shaft pipe (3) are rotatably connected.

4. The environmentally friendly oil sludge thermal treatment cracking device according to claim 1, characterized in that: It also comprises a plurality of air-permeable baffles (14), and the air-permeable baffles (14) are arranged in the exhaust hole and the plurality of air outlet holes of the mud delivery tube (2).

5. The environmentally friendly oil sludge thermal treatment cracking device according to claim 1, characterized in that: It also comprises a plurality of crushing rods (18), wherein the plurality of crushing rods (18) are respectively mounted on the outer wall of the shaft tube (3), and the plurality of crushing rods (18) are located at the output end of the mud delivery tube (2).

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