Oil-containing sludge thermal desorption treatment device and treatment system

Abstract

The present application relates to the technical fields of environmental protection equipment, and discloses an oil-containing sludge thermal desorption treatment device and a treatment system, in order to solve the problems of too high temperature after sludge drying and oil gas being discharged with sludge, a heat dissipation auger is connected to the bottom of a sludge output seat, the dried sludge is transported to a transfer box by the heat dissipation auger, the transported sludge is output to a blowdown pipe through a discharge auger at the bottom of the transfer box, and the sludge is pressed together in the blowdown pipe. After nitrogen gas is input into the transfer box through a nitrogen gas pipe, most of the nitrogen gas flows back to the heat dissipation auger, not only the output sludge is cooled, but also the oil gas pressure in the desorption box is positive pressure, so that the discharge of the oil gas is ensured, and the effects of nitrogen gas cooling and oil gas anti-backflow are realized.

Description

Technical Field

[0001] This invention relates to the technical field of environmental protection equipment, and in particular to a thermal desorption treatment device and system for oily sludge. Background Technology

[0002] The thermal desorption treatment device for oily sludge is an effective treatment device for oily sludge. It uses heating to cause the oil in the sludge to volatilize and separate from the solid particles, thereby removing oily substances from the sludge. This reduces the oil content, reduces environmental pollution, and achieves resource recycling or harmless treatment of sludge. It is widely used in the field of oily sludge treatment in industries such as petroleum and chemical engineering.

[0003] In traditional oily sludge thermal desorption treatment devices, the oily sludge is first fed into a preheating unit for initial heating, and then enters the main thermal desorption reactor. Under high temperature and specific residence time, the oil in the sludge is heated and volatilized into a gaseous state, separating from the solid residue. The gaseous oil is cooled by a condensation system and converted into liquid oil for recycling, while the deoiled solid residue is discharged from the device.

[0004] In practical applications, sludge is discharged directly after drying. At this point, the sludge itself is extremely hot, causing significant inconvenience to subsequent processing. Furthermore, the dried sludge inevitably carries a certain amount of oil and gas during discharge. Currently, segmented sealing is often used to prevent oil and gas leakage. However, this segmented sealing method affects the continuous discharge efficiency of sludge, resulting in a less smooth processing flow and reduced overall processing capacity. More seriously, if a leak occurs, oil and gas will flow out from the discharge point and mix thoroughly with the outside air. Because oil and gas are flammable and explosive, when they mix with air to a certain proportion, they can easily cause a gas-air mixture explosion, posing a significant threat to production safety. Summary of the Invention

[0005] This invention proposes a thermal desorption treatment device and system for oily sludge, which has the advantages of nitrogen cooling and oil-gas backflow prevention, in order to solve the problems of excessively high temperature of sludge after drying and oil-gas discharge with sludge mentioned in the background art.

[0006] To achieve the above objectives, this application adopts the following technical solution: a thermal desorption treatment device for oily sludge, characterized in that it comprises: a desorption box, with a sludge output seat fixedly connected to its side and a transfer box fixedly connected to its bottom; a cooling pipe fixedly connected to one side of the transfer box for connecting the transfer box and the sludge output seat; a sewage pipe fixedly connected to one side of the transfer box, with a baffle cover movably installed at the end of the sewage pipe and pushed by a spring; a motor fixedly connected to the side of the transfer box, with a transmission assembly fixedly installed at the output end, and a heat dissipation auger located inside the cooling pipe and a discharge auger located inside the sewage pipe respectively movably installed on the shaft of the transmission assembly via a spiral shaft; a nitrogen pipe fixedly connected to the middle of one side of the transfer box; the nitrogen movement direction is opposite to the sludge conveying direction of the heat dissipation auger, thereby achieving nitrogen cooling of the sludge and preventing the sludge from carrying oil and gas outwards.

[0007] Furthermore, when the unloading auger rotates, the sludge is transported to the sewage pipe and squeezed to form a relative seal, thereby preventing nitrogen from leaking from the sewage pipe and achieving dynamic sealing and continuous sludge discharge.

[0008] Furthermore, one end of the cooling pipe is connected to an overflow buffer pipe.

[0009] Furthermore, the length of the sewage pipe is twice the length of the unloading auger.

[0010] Furthermore, the cooling auger has vents on its side and an overflow cover that is movably mounted on the end of the cooling auger and is pushed by a spring.

[0011] Furthermore, an analyzer probe is fixedly installed on one side of the transfer box, and the analyzer probe is connected to an explosion-proof VOCs analyzer.

[0012] Furthermore, connecting arms are movably installed at the ends of the unloading auger and the cooling auger, and the connecting arms are guided by the rods on the inner side wall of the transfer box, with springs installed between the connecting arms and the rods.

[0013] Furthermore, a sealing base is fixedly connected to the bottom inside the transfer box, and one end of the unloading auger is located inside the sealing base.

[0014] Furthermore, a sealing seat is movably installed on the inner side of the cooling tube end, and the sealing seat is movably installed between the cooling auger end.

[0015] A treatment system for a thermal desorption treatment device for oily sludge includes the following steps:

[0016] S1. After the sludge in the desorption box is dried, it is fed into the cooling pipe through the sludge output seat. The motor drives the two spindles to rotate synchronously through the transmission component.

[0017] S2. The heat dissipation auger feeds the dried sludge into the transfer box. The sludge that falls to the bottom of the transfer box is then transported to the sewage pipe by the unloading auger.

[0018] S3. There is no unloading auger on the right side of the sewage pipe. The sludge is blocked by the sludge cover. As the sludge increases, it is squeezed against each other, which prevents the nitrogen in the transfer box from being discharged through the sewage pipe.

[0019] S4. The sludge is squeezed to overcome the spring pressure at the sludge cover, and the sludge cover moves to the right to discharge some of the sludge.

[0020] S5. Nitrogen gas is supplied to the transfer box via the nitrogen gas pipe. Most of the nitrogen gas is fed back into the sludge output seat through the heat dissipation auger and cools the sludge, preventing the sludge from carrying oil and gas back into the transfer box.

[0021] The beneficial effects of this invention are as follows:

[0022] This invention provides an oily sludge thermal desorption treatment device and system, in which a heat dissipation auger is connected to the bottom of the sludge output seat. After the oily sludge has undergone thermal desorption and reached a dry state, it enters the heat dissipation auger. The heat dissipation auger uses a spiral conveying structure to transport the dried sludge to a transfer box. A discharge auger is installed at the bottom of the transfer box, through which the sludge transported to the transfer box is further discharged into a sewage pipe. During this process, due to the pressure exerted on the sludge within the sewage pipe, the sludge will tightly adhere together, forming a relatively dense state.

[0023] At this point, nitrogen gas is introduced into the transfer box. Because the sludge is tightly packed in the drain pipe, most of the nitrogen cannot be discharged smoothly from the drain pipe; instead, it flows back into the cooling auger. On one hand, the nitrogen flowing back into the cooling auger can fully contact the output sludge, effectively absorbing the heat from the sludge and thus cooling it down, preventing the high-temperature sludge from adversely affecting subsequent processing stages. On the other hand, the nitrogen backflow keeps the oil and gas pressure inside the desorption box at a positive pressure. Under this positive pressure, the oil and gas generated inside the desorption box can be discharged more smoothly, preventing backflow.

[0024] Furthermore, when the drain pipe discharges the tightly packed sludge, a relatively enclosed space is formed inside the transfer box, making it difficult for nitrogen to escape from the drain pipe, or allowing only a small amount of nitrogen to escape. This demonstrates that this application utilizes the mutual compression between the sludge particles and the micro-leakage of nitrogen to achieve a relatively dynamic sealing effect. Traditional sealing methods often rely on various sealing components, but these components are prone to leakage during long-term use, affecting the normal operation of the treatment system. The relatively dynamic sealing method employed in this invention, however, does not rely on sealing components, fundamentally avoiding the sealing leakage problems caused by the use of sealing components. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort:

[0026] Figure 1 This is a schematic diagram of the overall external three-dimensional structure of the present invention;

[0027] Figure 2 This is a schematic diagram of the overall internal planar cross-sectional structure of the present invention;

[0028] Figure 3 For the present invention Figure 2 Enlarged structural diagram of section E in the middle;

[0029] Figure 4 This is a schematic diagram of the three-dimensional cross-sectional structure of the internal structure of the transfer box in this invention;

[0030] Figure 5 This is a schematic diagram of the three-dimensional structure of the flower axis of the present invention;

[0031] Figure 6 This is a schematic diagram of the three-dimensional structure of the sealing seat of the present invention;

[0032] Figure 7 This is a schematic diagram of the three-dimensional structure of the connecting arm of the present invention.

[0033] In the diagram: 1. Desorption box; 101. Sludge input pipe; 102. Air outlet pipe; 103. Sludge output seat; 2. Transfer box; 201. Sealing base; 3. Cooling pipe; 301. Overflow buffer pipe; 4. Sewage discharge pipe; 401. Sludge baffle cover; 5. Motor; 6. Transmission assembly; 7. Heat dissipation auger; 701. Air hole; 8. Flower shaft; 9. Unloading auger; 10. Connecting arm; 11. Nitrogen pipe; 12. Analyzer probe; 13. Overflow cover; 14. Sealing seat. Detailed Implementation

[0034] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0035] Example 1, please refer to Figure 1As can be seen, the desorption box 1, as the main body of the sludge treatment unit, can be fixedly installed in the required position using a bracket during application. A sludge input pipe 101 is fixedly connected to the side of the desorption box 1. Through the sludge input pipe 101, the oily sludge to be treated can be input into the desorption box 1. Inside the desorption box 1, the oily sludge is dried and stirred. The generated oil vapor is discharged outwards through the vent pipe 102 connected to the side of the desorption box 1. The dried sludge is discharged outwards through the sludge output seat 103 fixedly connected to the side of the desorption box 1. Combined with... Figure 1 It is clearly visible that the sludge output seat 103 is relatively far away from the sludge input pipe 101 and the air outlet pipe 102.

[0036] In this application, in order to ensure that the dried sludge can be continuously discharged and to prevent oil and gas from leaking out from the sludge output seat 103, combined with Figure 2 , Figure 4 and Figure 5 It can be seen that a transfer box 2 is welded and fixedly installed at the bottom of the desorption box 1, and a cooling pipe 3 is fixedly connected to the top of one side of the transfer box 2. The side of the cooling pipe 3 away from the transfer box 2 is located below the sludge output seat 103 and connected to the sludge output seat 103. An overflow buffer pipe 301 is tightly connected to the end of the cooling pipe 3 away from the transfer box 2. The overflow buffer pipe 301 allows a certain amount of space at the end of the heat dissipation auger 7, which facilitates the maintenance of the heat dissipation auger 7 when it is disassembled. Because the overflow buffer pipe 301 has a certain amount of space, when the heat dissipation auger 7 conveys sludge to the overflow buffer pipe 301, the overflow buffer pipe 301 can accommodate a certain amount of dry sludge, so that the movement of the heat dissipation auger 7 towards the overflow buffer pipe 301 will not be restricted by the sludge.

[0037] A motor 5 is fixedly mounted on the side of the transfer box 2, and a transmission assembly 6 is fixedly mounted on the output shaft of the motor 5. The transmission assembly 6 is generally a pulley or sprocket drive, preferably a sprocket drive. A sprocket shaft 8 is fixedly mounted on the output end of each sprocket, and a heat dissipation auger 7 located inside the cooling pipe 3 is movably mounted on the side of the sprocket shaft 8. A drain pipe 4 located below the cooling pipe 3 is fixedly connected to the side of the transfer box 2, and a discharge auger 9 located inside the drain pipe 4 is movably mounted on the sprocket shaft 8 corresponding to the drain pipe 4. From Figure 2 As can be seen, the length of the sewage pipe 4 is more than twice the length of the unloading auger 9. Furthermore, a spring-driven baffle 401 is movably installed at the end of the sewage pipe 4. Under normal conditions, the spring-driven baffle 401 tends to block the end of the sewage pipe 4.

[0038] A nitrogen pipe 11 is fixedly connected to the middle of one side of the transfer box 2. The nitrogen pipe 11 can generally supply nitrogen gas at 5-20 kPa into the inner cavity of the transfer box 2. In this way, when the sludge in the desorption box 1 dries and is input into the inner cavity of the cooling pipe 3 through the sludge output seat 103, the motor 5 drives the two spindle shafts 8 to rotate synchronously through the transmission component 6. The cooling auger 7 inputs the dried sludge input from the sludge output seat 103 into the inner cavity of the transfer box 2. The sludge that falls into the bottom of the transfer box 2 will be transported into the sewage pipe 4 through the sewage pipe 9. Since there is no sewage pipe 9 in the inner cavity on the right side of the sewage pipe 4, as the sewage pipe 9 continuously transports the sludge into the inner cavity of the sewage pipe 4, it is blocked by the sludge baffle 401, making it difficult for the sludge to be discharged. As the unloading auger 9 continuously transports sludge into the inner cavity of the discharge pipe 4, the amount of sludge in the discharge pipe 4 increases, causing the sludge to be relatively compressed together, thus hindering the nitrogen in the transfer box 2 from being discharged out through the discharge pipe 4. When the compressed sludge is sufficient to overcome the spring pressure at the baffle cover 401, the baffle cover 401 is forced to move to the right, thereby allowing some of the compressed sludge in the discharge pipe 4 to be discharged outward.

[0039] During this process, nitrogen is continuously supplied into the inner cavity of the transfer box 2 via nitrogen pipe 11. Most of the nitrogen in the transfer box 2 is then fed into the sludge output seat 103 via the cooling auger 7. At this time, the direction of nitrogen movement is opposite to the direction of sludge transport, effectively cooling the dried sludge. Furthermore, the passage of nitrogen through the sludge prevents the sludge from carrying oil and gas towards the transfer box 2, thus preventing the backflow of oil and gas from the inner cavity of the desorption box 1 into the inner cavity of the transfer box 2. Finally, the input of nitrogen creates positive pressure inside the desorption box 1, which not only prevents external air from entering the desorption box 1 but also facilitates the discharge of oil and gas from the outlet pipe 102. A small amount of nitrogen in the transfer box 2 will be discharged out of the drain pipe 4. Initially, the nitrogen leakage is prevented because the baffle cover 401 is pressed tightly against the end of the drain pipe 4. When the sludge is squeezed inside the drain pipe 4, the gap between the sludge is reduced, which further isolates or reduces the problem of nitrogen leakage from the drain pipe 4.

[0040] Thus, it can be seen that in the application of this embodiment, the input of nitrogen into the transfer box 2 not only cools the sludge but also prevents the sludge from leaking outwards carrying oil and gas due to the opposite conveying direction of nitrogen and the cooling auger 7. More importantly, because the unloading auger 9 compresses the sludge in the discharge pipe 4, it not only continuously outputs the dried sludge but also severely hinders the discharge of nitrogen from the discharge pipe 4 due to the compression between the sludge particles. Ultimately, the dynamic seal formed by the slight or no leakage of nitrogen and the compression between the sludge particles not only ensures a dynamic seal but also allows for continuous discharge of sludge, achieving the goal of continuous discharge.

[0041] Example 2 is a further improvement on Example 1. Please refer to Example 1. Figure 2 , Figure 3 and Figure 6 It can be seen that the heat dissipation auger 7 located in the inner cavity of the transfer box 2 has an air hole 701 on its side that communicates with the inner cavity of the heat dissipation auger 7, and an overflow cover 13, which is pushed by a spring, is movably installed at the end of the heat dissipation auger 7 away from the air hole 701. Under normal conditions, the overflow cover 13 presses against the end of the heat dissipation auger 7, thus relatively isolating the right end of the inner cavity of the heat dissipation auger 7. The advantage of this design is that when the heat dissipation auger 7 transports sludge into the transfer box 2, if the amount of sludge transported is too large at an instant, it will hinder the transport of nitrogen in the transfer box 2 from the outside of the heat dissipation auger 7. This will cause the pressure in the inner cavity of the transfer box 2 to increase relatively. When the pressure in the inner cavity of the transfer box 2 exceeds the spring force on the overflow cover 13, the overflow cover 13 is forced to open, and the nitrogen in the transfer box 2 is transported from the end of the heat dissipation auger 7 through the air hole 701 and the inner cavity of the heat dissipation auger 7 to the desorption box 1 via the sludge output seat 103.

[0042] It can be seen that the nitrogen in the transfer box 2 flows preferentially from the outside of the heat dissipation auger 7. When the flow is obstructed, nitrogen can still be transported in the inner cavity of the heat dissipation auger 7. The heat dissipation auger 7 can ensure that when nitrogen flows from the inner cavity of the heat dissipation auger 7, it can still cool the sludge transported by the heat dissipation auger 7 to a certain extent.

[0043] Example 3 is a further improvement on Examples 1 and 2, combining... Figure 1 and Figure 2 As can be seen, an analyzer probe 12 is fixedly installed on one side of the transfer box 2, located above the motor 5. The analyzer probe 12 is mainly connected to an explosion-proof VOCs analyzer. Under normal operating conditions, the VOCs concentration in the transfer box 2 is ≤500ppm (the background value for minor leaks; a detection threshold is set to avoid false alarms). If the VOCs concentration is detected to suddenly rise above 500ppm, it is confirmed that the oil and gas in the desorption box 1 has flowed back into the transfer box 2. This detection method can effectively detect whether oil and gas have flowed back.

[0044] Based on this, when oil and gas backflow is detected, in order to avoid the risk of excessive oil and gas leakage leading to excessive mixing of oil and gas with outside air and thus causing an explosion, this application, in conjunction with... Figure 2 , Figure 4 and Figure 6 and Figure 7It can be seen that connecting arms 10 are movably mounted at the ends of the unloading auger 9 and the cooling auger 7. The connecting arms 10 are guided by rods on the inner wall of the transfer box 2, forcing the connecting arms 10 to drive the cooling auger 7 and the unloading auger 9 to move within a certain range along the axial direction. A spring is installed between the connecting arm 10 and the rods; the spring pushes the ends of the unloading auger 9 and the cooling auger 7, causing them to always tend to move closer to the motor 5. Furthermore, from... Figure 2 As can be seen, a sealing base 201 is fixedly connected to the bottom inner side of the transfer box 2 and to the end of the unloading auger 9 near the transmission component 6. The left side of the unloading auger 9 is located inside the sealing base 201.

[0045] A sealing seat 14 is movably installed on the inner side of the end of the cooling pipe 3. The sealing seat 14 is arc-shaped and is movably installed between the sealing seat 14 and the right end of the heat dissipation auger 7. Under normal conditions, when the heat dissipation auger 7 moves to the left, the heat dissipation auger 7 drives the sealing seat 14 away from the sludge output seat 103. When the heat dissipation auger 7 drives the sealing seat 14 to the right, the sealing seat 14 moves to the right with the heat dissipation auger 7, and finally blocks the sludge output seat 103.

[0046] In practical application, the connecting arm 10, pushed by the spring, causes the unloading auger 9 and the heat dissipation auger 7 to move to the left limit. At this time, the sealing seat 14 is relatively far away from the sludge output seat 103. During the process of the motor 5 driving the flower shaft 8 to rotate through the transmission component 6, the heat dissipation auger 7 and the unloading auger 9 simultaneously carry out sludge conveying work, thereby achieving the content described in Implementation 1.

[0047] When the analyzer probe 12 detects that the VOCs concentration in the inner cavity of the transfer box 2 exceeds 500 ppm, the control system will not only issue an alarm but also simultaneously control the motor 5 to rotate in the opposite direction. As the motor 5 drives the unloading auger 9 and the cooling auger 7 to rotate in the opposite direction, the sludge in the unloading auger 9 will be transported into the sealing base 201. As the amount of sludge inside the sealing base 201 increases, the unloading auger 9 will tend to move to the right. During this process, the movement of the unloading auger 9 to the right causes the sludge in the inner cavity of the drain pipe 4 to continue to be transported to the left, forcing the unloading auger 9 to rotate in the opposite direction, thus tending to move to the right. Simultaneously, the unloading auger 9 drives the cooling auger 7 to move synchronously to the right via the connecting arm 10. The cooling auger 7 ultimately seals the sludge output seat 103 through the sealing seat 14, thereby isolating the inner cavity of the desorption box 1 from the cooling pipe 3, thus preventing the problem of increased concentration of oil and gas mixed with external air during the backflow of oil and gas in the desorption box 1. Finally, the operator who receives the alarm signal can inspect the equipment for leaks.

[0048] The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A thermal desorption treatment device for oily sludge, characterized in that, include: The desorption box (1) has a sludge output seat (103) fixedly connected to the side and a transfer box (2) fixed at the bottom. Cooling pipe (3) is fixed on one side of transfer box (2) for connecting transfer box (2) and sludge output seat (103); The sewage pipe (4) is fixedly connected to one side of the transfer box (2), and a sewage cover (401) that is pushed by a spring is movably installed at the end of the sewage pipe (4). The motor (5) is fixed on the side of the transfer box (2), and the output end is fixedly installed with a transmission assembly (6). The shaft of the transmission assembly (6) is movably installed with a heat dissipation auger (7) located inside the cooling pipe (3) and a discharge auger (9) located inside the drain pipe (4) via a flower shaft (8). A nitrogen pipe (11) is fixedly connected to the middle of one side of the transfer box (2); The direction of nitrogen movement is opposite to the direction of sludge transport of the heat dissipation auger (7), so as to achieve the cooling of sludge by nitrogen and prevent sludge from carrying oil and gas outward. An analyzer probe (12) is fixedly installed on one side of the transfer box (2), and the analyzer probe (12) is connected to the explosion-proof VOCs analyzer; Connecting arms (10) are movably installed at the ends of the unloading auger (9) and the heat dissipation auger (7), and the connecting arms (10) are guided by the rods on the inner side wall of the transfer box (2), and a spring is provided between the connecting arms (10) and the rods; A sealing base (201) is fixedly connected to the bottom of the inner side of the transfer box (2), and one end of the unloading auger (9) is located inside the sealing base (201); A sealing seat (14) is movably installed on the inner side of the end of the cooling tube (3), and the sealing seat (14) and the end of the heat dissipation auger (7) are movably installed together; The length of the drain pipe (4) is twice the length of the unloading auger (9).

2. The thermal desorption treatment device for oily sludge according to claim 1, characterized in that, When the unloading auger (9) rotates, the sludge is transported to the sewage pipe (4) and squeezed to form a relative seal, thereby preventing nitrogen from leaking from the sewage pipe (4) and realizing dynamic sealing and continuous sludge discharge.

3. The thermal desorption treatment device for oily sludge according to claim 1, characterized in that, One end of the cooling pipe (3) is connected to the overflow buffer pipe (301).

4. The thermal desorption treatment device for oily sludge according to claim 1, characterized in that, The heat dissipation auger (7) has an air hole (701) on its side, and an overflow cover (13) that is pushed by a spring is movably installed at the end of the heat dissipation auger (7).

5. A treatment system for an oily sludge thermal desorption treatment device as described in claim 1, characterized in that, Includes the following steps: S1. After the sludge in the desorption box (1) is dried, it is fed into the cooling pipe (3) through the sludge output seat (103). The motor (5) drives the two flower shafts (8) to rotate synchronously through the transmission assembly (6) and the heat dissipation auger (7) and the unloading auger (9). S2, the heat dissipation auger (7) inputs the dried sludge into the transfer box (2), and the sludge that falls into the bottom of the transfer box (2) is transported to the sewage pipe (4) by the unloading auger (9). S3. There is no unloading auger (9) on the right side of the sewage pipe (4). The sludge is blocked by the sludge cover (401). As the sludge increases, it squeezes against each other, hindering the nitrogen in the transfer box (2) from being discharged through the sewage pipe (4). S4. The sludge is squeezed to overcome the spring pressure at the baffle cover (401), and the baffle cover (401) moves to the right to discharge some of the sludge; S5. Nitrogen pipe (11) delivers nitrogen to transfer box (2). Most of the nitrogen is fed back into sludge output seat (103) via heat dissipation auger (7) and cools the sludge, preventing the sludge from carrying oil and gas back to transfer box (2).

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