Petrochemical engineering heating furnace

Abstract

The invention relates to the technical field of petrochemical engineering, and discloses a petrochemical engineering heating furnace which comprises a heating furnace body. The two bottom plates are fixedly connected to the bottom surface of the heating furnace body, and the damping seats are fixedly connected to the bottom surfaces of the two bottom plates; the feeding pipe fixedly penetrates through the top surface of the heating furnace body and extends into the heating furnace body; the discharging pipe fixedly penetrates through the bottom face of the heating furnace body and extends into the heating furnace body, the valve is installed in the discharging pipe, and a recycling assembly is fixedly connected to the surface of the heating furnace body. Gas entering the breather pipe is filtered through the recovery assembly and the filter cartridge, dust and impurities are prevented from being attached to the interior of the heat transfer pipe, meanwhile, dust emission is reduced, liquid in the heating tank is heated through the heat transfer pipe, heat recovery and utilization are achieved, resource waste is reduced, the pressure intensity in the heating furnace body is reduced, and the heating efficiency is improved. And the use safety and the environmental protection property of the petrochemical engineering heating furnace are improved.

Description

Technical Field

[0001] The invention relates to the technical field of petrochemical industry, in particular to a petrochemical heating furnace. Background Art

[0002] Heating furnace is a device that heats materials or workpieces. According to the heat source, it can be divided into fuel heating furnace, resistance heating furnace, induction heating furnace, microwave heating furnace, etc. It is used in many industries such as petroleum, chemical industry, metallurgy, machinery, heat treatment, surface treatment, building materials, electronics, materials, light industry, daily chemicals, pharmaceuticals, etc.

[0003] A petrochemical heating furnace according to a Chinese patent publication, publication number CN208012074U, includes a box body, a first feed hole is provided on the top plate of the box body, a feed pipe is fixedly connected to the side wall of the first feed hole, a feed funnel is fixedly connected to the upper end of the feed pipe, a cross plate is fixedly connected to the inner side wall of the box body, a second feed hole is provided on the cross plate, a fixed plate is fixedly connected to the side wall of the second feed hole, a threaded rod is threadedly connected to the fixed plate, a baffle plate is fixedly connected to the lower end of the threaded rod, the side wall of the baffle plate contacts the side wall of the second feed hole, a rotating rod is fixedly connected to the upper end of the threaded rod, the rotating rod is located on the upper side of the feed funnel, and a partition is fixedly connected to the inner side wall of the box body. This solution prevents the spillage of oil during the mixing process and can achieve the purpose of uniform mixing at the same time, so this petrochemical heating furnace is worth promoting; The heater in the device works, and the motor drives the stirring rod to work, so as to stir and heat the heating material in the box. However, the existing device still has the following problems: the heat inside the box cannot be discharged after heating, resulting in an increase in the pressure inside the box, which is dangerous. At the same time, the heat generated is not recycled, which will cause a waste of resources. Therefore, a petrochemical heating furnace is proposed. Summary of the invention

[0004] The object of the present invention is to provide a petrochemical heating furnace to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solutions: A petrochemical heating furnace, comprising a heating furnace body; Two bottom plates fixedly connected to the bottom surface of the heating furnace body, and shock-absorbing seats fixedly connected to the bottom surfaces of the two bottom plates; A feed pipe is fixedly provided which penetrates through the top surface of the heating furnace body and extends into the interior of the heating furnace body; and fixing a discharge pipe which penetrates the bottom surface of the heating furnace body and extends to the interior of the heating furnace body, installing a valve arranged inside the discharge pipe, and a recovery component is fixedly connected to the surface of the heating furnace body; A stirring component is fixedly connected to the surface of the heating furnace body.

[0006] Preferably, the recovery component includes an outlet pipe that is fixedly passed through the top surface of the heating furnace body and extends to the inside of the heating furnace body, the surface of the heating furnace body is fixedly connected to a connecting plate, the top surface of the connecting plate is fixedly connected to a cleaning box and a recovery box, the recovery box is located on the right side of the cleaning box, the bottom surface of the right end of the outlet pipe is fixedly passed through the top surface of the cleaning box and extends to the inside of the cleaning box, and the inside of the cleaning box is sequentially provided with a first rotating rod, an electric push rod and a filter cartridge from top to bottom, the bottom surface of the first rotating rod is fixedly connected to the top surface of the electric push rod, the bottom end surface of the electric push rod output rod is fixedly connected to a splint, the bottom surface of the splint contacts the top surface of the filter cartridge, the top end surface of the first rotating rod passes through the top surface of the cleaning box and extends above the cleaning box, the surface of the first rotating rod is rotatably connected to the inner wall of the cleaning box through a bearing seat, and the bottom surface of the interior of the cleaning box is fixedly connected to a support The support column has a slide groove through the bottom surface of the filter cartridge, and the top surface of the support column slides through the bottom surface of the filter cartridge and extends to the inside of the slide groove. A ventilation pipe is arranged under the connecting plate, and the top surface of the left end of the ventilation pipe is fixedly penetrated through the bottom surface of the connecting plate and the bottom surface of the cleaning box to extend to the inside of the cleaning box. The ventilation pipe and the bottom surface of the filter cartridge are penetrated with a through hole. The ventilation pipe is located directly below the through hole, and the bottom surface of the ventilation pipe is slidably connected with the bottom surface of the filter cartridge. A heat transfer pipe is arranged inside the recovery box, and the top surface of the right end of the ventilation pipe is fixedly penetrated through the bottom surface of the support plate, the recovery box and the surface of the heat transfer pipe to extend to the inside of the heat transfer pipe. An exhaust pipe is arranged above the recovery box, and the bottom end surface of the exhaust pipe is fixedly penetrated through the top surface of the recovery box and the surface of the heat transfer pipe to extend to the inside of the heat transfer pipe. A box door is hinged on the front of the cleaning box, and the filter cartridge can be used to filter the gas entering the ventilation pipe.

[0007] Preferably, an annular baffle is fixedly sleeved on the surface of the ventilation pipe, and the top surface of the annular baffle is slidably connected to the filter cartridge. The annular baffle prevents the gas in the cleaning box from directly entering the ventilation pipe.

[0008] Preferably, four support columns are provided and distributed around the surface of the ventilation pipe. The support columns support the filter cartridge and facilitate the rotation of the filter cartridge.

[0009] Preferably, the heat transfer tube is configured as a metal tube, and is an annular tube, and a support plate is fixedly connected to the bottom surface of the connecting plate to increase the heat conduction area of ​​the heat transfer tube.

[0010] Preferably, a cleaning brush is provided on the right side of the filter cartridge, the upper and lower end surfaces of the cleaning brush are fixedly connected to the upper and lower surfaces inside the cleaning box respectively, and the end surface of the cleaning brush is slidably connected to the surface of the filter cartridge, and the cleaning brush can be used to clean dust and impurities attached to the surface of the filter cartridge.

[0011] Preferably, a heating tank is provided above the recycling box, and the bottom end surface of the heating tank slides through the top surface of the recycling box and extends to the inside of the heating box. The heating tank can be used to heat water or liquid that needs to be heated, thereby realizing heat recovery and utilization.

[0012] Preferably, the stirring assembly includes a support frame fixedly connected to the top surface of the heating furnace body, the top surface of the support frame is fixedly connected to a double-headed motor, the bottom end surface of the lower output rod of the double-headed motor penetrates the top surface of the support frame and extends to the inner side of the support frame, the bottom end surface of the lower output rod of the double-headed motor is fixedly connected to a second rotating rod, a fixed plate and a conveying cylinder are arranged inside the heating furnace body, the bottom surface of the conveying cylinder is fixedly connected to the bottom surface of the interior of the heating furnace body, the bottom end surface of the second rotating rod penetrates the top surface of the heating furnace body, the fixed plate and the top surface of the conveying cylinder and extends to the interior of the conveying cylinder, and the surface of the second rotating rod is connected to the inner surface of the conveying cylinder by the shaft The support is rotatably connected to the inner wall of the heating furnace body and the inner wall of the conveying cylinder. The surface of the second rotating rod is fixedly connected to the inner wall of the fixed plate. The bottom end face of the second rotating rod is fixedly connected to a spiral rod. A feeding pipe is provided on the left side of the conveying cylinder, and a discharge pipe is provided on the right side of the conveying cylinder. The right end face of the feeding pipe and the left end face of the discharge pipe are respectively fixed through the surface of the conveying cylinder and extend to the inside of the conveying cylinder. The bottom end face of the spiral rod is rotatably connected to the bottom surface of the heating furnace body through a bearing seat. The spiral rod is used to pump the oil at the bottom of the heating furnace body to the upper layer of the heating furnace body, thereby facilitating the mixing and stirring of the oil.

[0013] Preferably, two connecting rods are fixedly connected to the bottom surface of the fixed plate, and stirring plates are fixedly connected to the surfaces of the two connecting rods. The stirring plates are located on the left and right sides of the conveying cylinder, and the stirring plates stir the oil inside the heating furnace body when they move.

[0014] Preferably, a third rotating rod is fixedly connected to the top end surface of the output rod on the double-headed motor, and pulleys are fixedly sleeved on the surfaces of the third rotating rod and the first rotating rod, and the two pulley surfaces are connected by a belt drive, and the third rotating rod is used to drive the first rotating rod to rotate, so that the filter cartridge rotates, and the cleaning brush cleans the surface of the filter cartridge.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. The petrochemical heating furnace uses a recycling component and a filter cartridge to filter the gas entering the ventilation pipe to prevent dust and impurities from adhering to the inside of the heat transfer pipe and reduce dust emission. The heat transfer pipe heats the liquid inside the heating tank to achieve heat recovery and utilization, reduce resource waste, and reduce the pressure inside the heating furnace body, thereby improving the safety and environmental protection of the petrochemical heating furnace. 2. The petrochemical heating furnace uses an electric push rod, a clamping plate and a support column to install and disassemble the filter cartridge, which is convenient for subsequent replacement of the filter cartridge; 3. The petrochemical heating furnace drives the filter cartridge to rotate through the first rotating rod, and the cleaning brush cleans the surface of the rotating filter cartridge to prevent dust and impurities from clogging the surface of the filter cartridge, thereby improving the filtering efficiency of the filter cartridge; 4. The petrochemical heating furnace transports the petroleum materials at the bottom of the heating furnace body to the upper layer of the heating furnace body through the stirring assembly, the spiral rod, the conveying cylinder, the material pipe and the discharge pipe. At the same time, the fixed plate drives the connecting rod and the stirring plate to move, thereby stirring and mixing the petroleum materials in the heating furnace body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a front cutaway perspective view of the heating furnace body of the present invention; Figure 2 It is the overall main stereoscopic diagram of the present invention; Figure 3 This is a front perspective view of the filter cartridge of the present invention; Figure 4 This is a bottom-up stereoscopic view of the annular baffle of the present invention; Figure 5 This is a front perspective view of the heat transfer tube of the present invention; Figure 6 It is a front cutaway stereoscopic view of the filter cartridge of the present invention; Figure 7 It is a front stereoscopic view of the rotating plate of the present invention.

[0017] In the figure: a heating furnace body 1, a bottom plate 2, a shock-absorbing seat 3, a feed pipe 4, a discharge pipe 5, a recovery component 60, an air outlet pipe 601, a cleaning box 602, a first rotating rod 603, an electric push rod 604, a filter cartridge 605, a ventilation pipe 606, a box door 607, a connecting plate 608, a recovery box 609, a heat transfer pipe 6010, an exhaust pipe 6011, a support plate 6012, a heating tank 6013, a support column 6014, a cleaning brush 6015, an annular baffle 6016, a stirring component 61, a support frame 611, a double-headed motor 612, a second rotating rod 613, a conveying cylinder 614, a fixing plate 615, a screw rod 616, a feed pipe 617, a discharge pipe 618, a connecting rod 619, a stirring plate 6120, a third rotating rod 6121, and a pulley 6122. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] Example 1: Please refer to Figure 1 - Figure 7 The present invention provides a technical solution: a petrochemical heating furnace, comprising a heating furnace body 1, the heating furnace body 1 is fixedly connected with a heater (not shown in the figure), the heater is a known structure in the prior art, and will not be described in detail here; Two bottom plates 2 are fixedly connected to the bottom surface of the heating furnace body 1, and a shock-absorbing seat 3 is fixedly connected to the bottom surface of the two bottom plates 2; A feed pipe 4 is fixedly provided which penetrates through the top surface of the heating furnace body 1 and extends into the interior of the heating furnace body 1; A discharge pipe 5 is fixedly provided to penetrate the bottom surface of the heating furnace body 1 and extend to the inside of the heating furnace body 1, a valve is installed inside the discharge pipe 5, and a recovery component 60 is fixedly connected to the surface of the heating furnace body 1; A stirring assembly 61 is fixedly connected to the surface of the heating furnace body 1 .

[0020] The recovery component 60 includes an air outlet pipe 601 fixedly passing through the top surface of the heating furnace body 1 and extending to the inside of the heating furnace body 1. A connecting plate 608 is fixedly connected to the surface of the heating furnace body 1. A cleaning box 602 and a recovery box 609 are fixedly connected to the top surface of the connecting plate 608. The recovery box 609 is located on the right side of the cleaning box 602. The bottom surface of the right end of the air outlet pipe 601 is fixedly passed through the top surface of the cleaning box 602 and extends to the inside of the cleaning box 602. The inside of the cleaning box 602 is sequentially provided with a first rotating rod 603, an electric push rod 604 and a filter cartridge 605 from top to bottom. The bottom surface of the first rotating rod 603 is fixedly connected to the top surface of the electric push rod 604. The electric push rod 604 is fixedly connected to the top surface of the electric push rod 604. The bottom end face of the 04 output rod is fixedly connected with a clamping plate, and the bottom face of the clamping plate contacts the top face of the filter cartridge 605. The filter cartridge 605 is installed and disassembled by means of the electric push rod 604, the clamping plate and the support column 6014, so as to facilitate the subsequent replacement of the filter cartridge 605. The top face of the first rotating rod 603 penetrates the inner top face of the cleaning box 602 and extends to the top of the cleaning box 602. The surface of the first rotating rod 603 is rotatably connected with the inner wall of the cleaning box 602 through the bearing seat. The inner bottom face of the cleaning box 602 is fixedly connected with the support column 6014. A sliding groove is provided on the bottom face of the filter cartridge 605. The top face of the support column 6014 slides through the bottom face of the filter cartridge 605 and extends to the top face of the cleaning box 602. The bottom surface of the filter cartridge 605 is provided with a through hole, and the ventilation pipe 606 is located directly below the through hole. The bottom surface of the ventilation pipe 606 is slidably connected with the bottom surface of the filter cartridge 605. A heat transfer pipe 6010 is provided inside the recovery box 609. The top surface of the right end of the ventilation pipe 606 is fixedly penetrated through the bottom surface of the support plate 608, the recovery box 609 and the surface of the heat transfer pipe 6010 to extend to the inside of the heat transfer pipe 6010. A heat transfer pipe 6010 is provided above the recovery box 609. Exhaust pipe 6011, the bottom end face of exhaust pipe 6011 is fixedly passed through the top face of recovery box 609 and the surface of heat transfer pipe 6010 and extends to the inside of heat transfer pipe 6010. A door is hinged on the front of the cleaning box. Through the recovery component 60, the filter cartridge 605 filters the gas entering into the ventilation pipe 606 to prevent dust and impurities from adhering to the inside of heat transfer pipe 6010 and reduce dust emission. The heat transfer pipe 6010 heats the liquid inside the heating tank 6013 to realize heat recovery and utilization, reduce waste of resources, and reduce the pressure inside the heating furnace body 1, thereby improving the safety and environmental protection of the petrochemical heating furnace.

[0021] An annular baffle 6016 is fixedly sleeved on the surface of the ventilation pipe 606 , and the top surface of the annular baffle 6016 is slidably connected to the filter cartridge 605 .

[0022] There are four support columns 6014 , which are distributed around the surface of the ventilation pipe 606 .

[0023] The heat transfer tube 6010 is configured as a metal tube, and is an annular tube, and a support plate 6012 is fixedly connected to the bottom surface of the connecting plate 608 .

[0024] A cleaning brush 6015 is provided on the right side of the filter cartridge 605. The upper and lower end faces of the cleaning brush 6015 are respectively fixedly connected to the upper and lower surfaces inside the cleaning box 602. The end face of the cleaning brush 6015 is slidably connected to the surface of the filter cartridge 605. The filter cartridge 605 is driven to rotate by the first rotating rod 603. The cleaning brush 6015 cleans the surface of the rotating filter cartridge 605 to prevent dust and impurities from clogging the surface of the filter cartridge 605, thereby improving the filtering efficiency of the filter cartridge 605.

[0025] A heating tank 6013 is arranged above the recycling box 609 , and the bottom end surface of the heating tank 6013 slides through the top surface of the recycling box 609 and extends to the inside of the heating box 609 .

[0026] Embodiment 2: Based on Embodiment 1, a preferred embodiment of a petrochemical heating furnace provided by the present invention is as follows: Figure 1 , Figure 2 and Figure 7 As shown: the stirring assembly 61 includes a support frame 611 fixedly connected to the top surface of the heating furnace body 1, a double-headed motor 612 is fixedly connected to the top surface of the support frame 611, the bottom end surface of the output rod of the double-headed motor 612 passes through the top surface of the support frame 611 and extends to the inner side of the support frame 611, and the bottom end surface of the output rod of the double-headed motor 612 is fixedly connected to the second rotating rod 613, a fixing plate 615 and a conveying cylinder 614 are arranged inside the heating furnace body 1, the bottom surface of the conveying cylinder 614 is fixedly connected to the bottom surface of the interior of the heating furnace body 1, the bottom end surface of the second rotating rod 613 passes through the top surface of the heating furnace body 1, the fixing plate 615 and the top surface of the conveying cylinder 614 extend to the inside of the conveying cylinder 614, the surface of the second rotating rod 613 is rotatably connected to the inner wall of the heating furnace body 1 and the inner wall of the conveying cylinder 614 through a bearing seat, and the surface of the second rotating rod 613 It is fixedly connected to the inner wall of the fixed plate 615, and the bottom end face of the second rotating rod 613 is fixedly connected with a spiral rod 616. A feeding pipe 617 is arranged on the left side of the conveying cylinder 614, and a discharge pipe 618 is arranged on the right side of the conveying cylinder 614. The right end face of the feeding pipe 617 and the left end face of the discharge pipe 618 are respectively fixed to penetrate the surface of the conveying cylinder 614 and extend to the inside of the conveying cylinder 614. The bottom end face of the spiral rod 616 is rotatably connected to the bottom surface of the heating furnace body 1 through a bearing seat. Through the stirring assembly 61, the spiral rod 616, the conveying cylinder 614, the feeding pipe 617 and the discharge pipe 618 cooperate with each other to transport the petroleum material at the bottom of the heating furnace body 1 to the upper layer of the heating furnace body 1. At the same time, the fixed plate 615 drives the connecting rod 619 and the stirring plate 6120 to move, so as to stir and mix the petroleum material in the heating furnace body 1.

[0027] Two connecting rods 619 are fixedly connected to the bottom surface of the fixed plate 615 , and stirring plates 6120 are fixedly connected to the surfaces of the two connecting rods 619 . The stirring plates 6120 are located on the left and right sides of the conveying cylinder 614 .

[0028] The top end surface of the output rod on the double-headed motor 612 is fixedly connected with a third rotating rod 6121, and the surfaces of the third rotating rod 6121 and the first rotating rod 603 are fixedly sleeved with pulleys 6122, and the surfaces of the two pulleys 6122 are connected by belt transmission.

[0029] When in use, the petroleum material is poured into the heating furnace body 1 through the feed pipe 4, and the double-headed motor 612 and the heater are turned on to rotate the second rotating rod 613 and the third rotating rod 6121, and the second rotating rod 613 drives the connected fixed plate 615 and the spiral rod 616 to rotate, and the spiral rod 616 drives the petroleum material at the bottom of the heating furnace body 1 to be transported to the upper layer of the heating furnace body 1 to achieve mixing and stirring of the petroleum material, and the fixed plate 615 drives the connecting rod 619 to rotate, so that the stirring plate 6120 mixes the petroleum material inside the heating furnace body 1; the heat generated when the petroleum material is heated and mixed is discharged into the cleaning box 602 through the outlet pipe 601, and the filter cartridge 605 filters the gas, and the filtered gas enters the ventilation pipe 606, and the water or other solution to be heated is put into the heating tank 6013, and the ventilation pipe 606 transmits the gas to the heat transfer pipe 6010. In the process, the heat transfer tube 6010 heats the surface of the heating tank 6013, thereby heating the liquid in the heating tank 6013 and realizing heat recovery; when the third rotating rod 6121 drives the pulley 6122 to rotate, the first rotating rod 603 is rotated through the belt transmission, thereby driving the filter cartridge 605 to rotate, and the cleaning brush 6015 cleans the surface of the rotating filter cartridge 605, thereby reducing impurities and dust attached to the surface of the filter cartridge 605; when the filter cartridge 605 is damaged and needs to be replaced, the box door 607 is opened, and the output rod of the electric push rod 604 is controlled to retract, so that the splint is moved away from the top of the filter cartridge 605, and the filter cartridge 605 is moved upward, so that the filter cartridge 605 is taken out, and a new filter cartridge 605 is placed on the support column 6014, and the splint is controlled to move downward, so that the filter cartridge 605 is installed in the cleaning box 602.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A petrochemical heating furnace, comprising a heating furnace body (1); Two bottom plates (2) fixedly connected to the bottom surface of the heating furnace body (1), and a shock-absorbing seat (3) fixedly connected to the bottom surface of the two bottom plates (2); A feed pipe (4) is fixedly inserted through the top surface of the heating furnace body (1) and extends into the interior of the heating furnace body (1); and fixing a discharge pipe (5) penetrating the bottom surface of the heating furnace body (1) and extending into the interior of the heating furnace body (1), and installing a valve arranged inside the discharge pipe (5), characterized in that: A recovery component (60) is fixedly connected to the surface of the heating furnace body (1); A stirring assembly (61) is fixedly connected to the surface of the heating furnace body (1).

2. A petrochemical heating furnace according to claim 1, characterized in that: The recovery component (60) comprises an air outlet pipe (601) fixedly passing through the top surface of the heating furnace body (1) and extending into the interior of the heating furnace body (1); a connecting plate (608) is fixedly connected to the surface of the heating furnace body (1); a cleaning box (602) and a recovery box (609) are fixedly connected to the top surface of the connecting plate (608); the recovery box (609) is located on the right side of the cleaning box (602); the bottom surface of the right end of the air outlet pipe (601) is fixedly passing through the top surface of the cleaning box (602) and extending into the interior of the cleaning box (602); the interior of the cleaning box (602) is provided with a first rotating rod from top to bottom. (603), an electric push rod (604) and a filter cartridge (605), the bottom surface of the first rotating rod (603) is fixedly connected to the top surface of the electric push rod (604), the bottom end surface of the output rod of the electric push rod (604) is fixedly connected to a clamping plate, the bottom surface of the clamping plate is in contact with the top surface of the filter cartridge (605), the top end surface of the first rotating rod (603) passes through the inner top surface of the cleaning box (602) and extends to the top of the cleaning box (602), the surface of the first rotating rod (603) is rotatably connected to the inner wall of the cleaning box (602) through a bearing seat, and the inner bottom surface of the cleaning box (602) is fixedly connected to a support column (605). 014), a slide groove is formed through the bottom surface of the filter cartridge (605), the top surface of the support column (6014) slides through the bottom surface of the filter cartridge (605) and extends into the inside of the slide groove, a vent pipe (606) is arranged below the connecting plate (608), the top surface of the left end of the vent pipe (606) is fixedly penetrated through the bottom surface of the connecting plate (608) and the bottom surface of the cleaning box (602) and extends into the inside of the cleaning box (602), the vent pipe (606) and the bottom surface of the filter cartridge (605) are formed with a through hole, the vent pipe (606) is located directly below the through hole, and the bottom surface of the vent pipe (606) is connected to the filter cartridge ( The recycling box (609) is slidably connected to the bottom surface of the support plate (608), the recycling box (609) and the surface of the heat transfer tube (6010), and extends to the inside of the heat transfer tube (6010). An exhaust pipe (6011) is arranged above the recycling box (609), and the bottom end surface of the exhaust pipe (6011) is fixedly penetrated through the top surface of the recycling box (609) and the surface of the heat transfer tube (6010) and extends to the inside of the heat transfer tube (6010). The front of the cleaning box (602) is hinged with a box door (607).

3. A petrochemical heating furnace according to claim 2, characterized in that: An annular baffle (6016) is fixedly sleeved on the surface of the ventilation pipe (606), and the top surface of the annular baffle (6016) is slidably connected to the filter cartridge (605).

4. A petrochemical heating furnace according to claim 2, characterized in that: Four support columns (6014) are provided and are distributed around the surface of the ventilation pipe (606).

5. A petrochemical heating furnace according to claim 2, characterized in that: The heat transfer tube (6010) is configured as a metal tube and is an annular tube, and the bottom surface of the connecting plate (608) is fixedly connected to a support plate (6012).

6. A petrochemical heating furnace according to claim 2, characterized in that: A cleaning brush (6015) is provided on the right side of the filter cartridge (605); the upper and lower end surfaces of the cleaning brush (6015) are fixedly connected to the upper and lower surfaces inside the cleaning box (602) respectively; and the end surface of the cleaning brush (6015) is slidably connected to the surface of the filter cartridge (605).

7. A petrochemical heating furnace according to claim 2, characterized in that: A heating tank (6013) is arranged above the recycling box (609), and the bottom end surface of the heating tank (6013) slides through the top surface of the recycling box (609) and extends into the interior of the heating box (609).

8. The petrochemical heating furnace according to claim 2, characterized in that: The stirring assembly (61) comprises a support frame (611) fixedly connected to the top surface of the heating furnace body (1), the top surface of the support frame (611) is fixedly connected to a double-headed motor (612), the bottom end surface of the output rod of the double-headed motor (612) passes through the top surface of the support frame (611) and extends to the inner side of the support frame (611), the bottom end surface of the output rod of the double-headed motor (612) is fixedly connected to a second rotating rod (613), the interior of the heating furnace body (1) is provided with a fixed plate (615) and a conveying cylinder (614), the bottom surface of the conveying cylinder (614) is fixedly connected to the bottom surface of the interior of the heating furnace body (1), the bottom end surface of the second rotating rod (613) passes through the top surface of the heating furnace body (1), the fixed plate (615) and the top surface of the conveying cylinder (614) and extends to Inside the conveying cylinder (614), the surface of the second rotating rod (613) is rotatably connected to the inner wall of the heating furnace body (1) and the inner wall of the conveying cylinder (614) through a bearing seat, the surface of the second rotating rod (613) is fixedly connected to the inner wall of the fixed plate (615), and the bottom end surface of the second rotating rod (613) is fixedly connected to a spiral rod (616). A material passing pipe (617) is provided on the left side of the conveying cylinder (614), and a material discharge pipe (618) is provided on the right side of the conveying cylinder (614). The right end surface of the material passing pipe (617) and the left end surface of the material discharge pipe (618) are respectively fixedly passed through the surface of the conveying cylinder (614) and extend into the interior of the conveying cylinder (614), and the bottom end surface of the spiral rod (616) is rotatably connected to the bottom surface of the interior of the heating furnace body (1) through the bearing seat.

9. A petrochemical heating furnace according to claim 8, characterized in that: The bottom surface of the fixed plate (615) is fixedly connected to two connecting rods (619), and the surfaces of the two connecting rods (619) are fixedly connected to stirring plates (6120), and the stirring plates (6120) are located on the left and right sides of the conveying cylinder (614).

10. The petrochemical heating furnace according to claim 8, characterized in that: The top end surface of the output rod on the double-headed motor (612) is fixedly connected to a third rotating rod (6121), and the surface of the third rotating rod (6121) and the surface of the first rotating rod (603) are both fixedly sleeved with pulleys (6122), and the surfaces of the two pulleys (6122) are connected via a belt transmission.

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