Smoke recovery carbonization furnace for preparing renewable new turf from straw and use method of smoke recovery carbonization furnace

Abstract

The invention relates to the technical field of flue gas recovery carbonization furnaces, in particular to a flue gas recovery carbonization furnace for preparing renewable new turf from straw and a using method thereof.The flue gas recovery carbonization furnace comprises a carbonization furnace body, an upper heat preservation conveying pipe is installed above the carbonization furnace body, and a mounting table is fixedly arranged on the side, away from a combustion chamber, of the carbonization furnace body; a recovery treatment assembly is fixedly arranged on one side of the top end of the mounting table, a supplement assembly is fixedly arranged on the other side of the top end of the mounting table, the top end of the recovery treatment assembly is fixedly connected with the heat exchanger through a lower heat preservation conveying pipe, and the recovery treatment assembly comprises a treatment tank; according to the flue gas purification device, flue gas can be effectively purified, meanwhile, a new solution can be automatically supplemented for the next round of circulation treatment, and the operation convenience and economic benefits are improved.

Description

Technical Field

[0001] The invention relates to the technical field of flue gas recovery carbonization furnaces, and in particular to a flue gas recovery carbonization furnace for preparing renewable new quality peat from straw and a use method thereof. Background Art

[0002] The flue gas recovery carbonization furnace for preparing renewable new quality peat from straw is an environmentally friendly carbonization equipment. In the process of converting biomass materials such as straw into renewable new quality peat (i.e. biochar), it realizes the efficient recovery and utilization of flue gas. By combining advanced flue gas recovery devices with heat exchangers, it can effectively transfer the heat energy in the flue gas to the air to achieve heat exchange. The heated air can be widely used in heating, drying or other industrial processes, thereby greatly improving energy utilization efficiency and production benefits. In the process of charcoal making, the flue gas often contains impurities such as wood tar, wood vinegar and dust. If these untreated flue gases directly enter the heat exchanger, long-term operation will cause equipment blockage. The current common solution is to remove impurities in the flue gas by setting a filter. However, this method is not only not conducive to the recycling of useful substances in the flue gas, resulting in waste of resources, but also the dirt accumulated on the filter is difficult to clean and needs to be replaced regularly, thereby increasing the cost of use. Therefore, in view of the above problems, a flue gas recovery carbonization furnace for preparing renewable new quality peat from straw and a method for using the same are proposed. Summary of the invention

[0003] The purpose of the present invention is to provide a flue gas recovery carbonization furnace for preparing renewable new quality peat from straw and a method of using the same, so as to solve the problem that the above-mentioned background technology is not conducive to the recycling of useful substances in flue gas, resulting in waste of resources, and the accumulated dirt is difficult to clean.

[0004] To achieve the above object, the present invention provides the following technical solutions: A flue gas recovery carbonization furnace for preparing renewable new quality peat from straw and a method for using the same, comprising a carbonization furnace body, an upper heat-insulating conveying pipe being installed above the carbonization furnace body, a mounting platform being fixedly arranged on one side of the carbonization furnace body away from a combustion chamber, a recycling and processing component being fixedly arranged on one side of the top of the mounting platform, a supplementing component being fixedly arranged on the other side of the top of the mounting platform, the top of the recycling and processing component being fixedly connected to a heat exchanger through a lower heat-insulating conveying pipe, the recycling and processing component comprising a processing tank, a lifting rod being fixedly arranged on the inner side of the processing tank, the lifting rod comprising a sealing cylinder, an adjusting rod being slidably connected to the inner side of the sealing cylinder, a reset spring being sleeved on the outer side of the adjusting rod, a corrugated sealing tube being installed on the outer side of the reset spring, a supporting mechanism being installed above the lifting rod, the supporting mechanism comprising a support plate, a connecting groove and a mounting groove being opened in the middle of the support plate, a rotating cleaning mechanism being rotatably connected to the outer side of the support plate, the rotating cleaning mechanism comprising a connecting disk, a round tube being fixedly connected to the outer side of the connecting disk , a connecting bead is rotatably connected between the connecting disk and the circular tube, a push plate is fixedly connected to the inner side of the circular tube, a blade is fixedly connected to the bottom end of the push plate, a pressure relief mechanism is installed below the connecting groove, the pressure relief mechanism includes an upper sealing disk, a lower sealing disk is elastically connected to the lower side of the upper sealing disk through a return spring, a guide rod is slidably connected to the inner side of the lower sealing disk, a circular groove is opened in the middle of the top of the lower sealing disk, a filter is installed on the inner side of the mounting groove, a detection rod is fixedly connected to the top of the inner wall of the processing tank, the replenishing component includes a replenishing tank, a preheating cylinder is fixedly connected to the outer side of the replenishing tank, two air pipes are arranged on one side of the preheating cylinder, a one-way valve is fixedly connected to the middle part of the air pipe, a water pump is fixedly connected to the bottom of the replenishing tank, a first solenoid valve is installed on the top of the replenishing tank, a liquid level sensor is fixedly connected to the inner side of the replenishing tank, a first PCL controller is fixedly connected to the upper surface of the replenishing tank, and the liquid level sensor is electrically connected to the first solenoid valve through the first PCL controller.

[0005] As further optimized content of the present invention, the detection rod includes a support rod, a placement hole is opened at the bottom end of the support rod, a pressure sensor is fixedly connected to the inner side of the placement hole, a connecting block is installed at the bottom end of the pressure sensor, a pressure rod is fixedly connected to the bottom end of the connecting block, a first sealing ring is fixedly connected to the outer side of the connecting block, the outer side of the first sealing ring is fitted with the bottom of the inner side of the placement hole, a second PCL controller is fixedly connected to one side of the upper surface of the processing tank, a second solenoid valve is installed at the bottom of the outer side of the processing tank through a discharge pipe, and the pressure sensor is electrically connected to the second solenoid valve and the water pump through the second PCL controller.

[0006] As a further optimization content of the present invention, the bottom end of the sealing cylinder is located at the center of the bottom end of the processing tank, the position of the reset spring is located at the top of the outer side of the adjusting rod, the bottom end of the reset spring is fixedly connected to the upper surface of the sealing cylinder, the top end of the reset spring is fixedly connected to the lower surface of the support plate, there is a gap between the inner side of the corrugated sealing tube and the outer side of the reset spring, the bottom end of the corrugated sealing tube is fixedly connected to the top end of the sealing cylinder, and the top end of the corrugated sealing tube is fixedly connected to the bottom end of the support plate.

[0007] As further optimized content of the present invention, the support plate is located in the middle of the inner side of the processing tank, the connecting groove is circular in shape, and there are two connecting grooves, which are respectively located on both sides of the support plate in the horizontal direction, and the installation groove is square in shape, and there are two installation grooves, which are respectively located on both sides of the installation groove in the longitudinal direction.

[0008] As further optimized content of the present invention, the first anti-slip groove which rotates with the connecting bead is opened in the middle part of the outer side of the connecting plate, and the second anti-slip groove which rotates with the connecting bead is opened in the middle part of the circular tube. The position of the second anti-slip groove corresponds to the position of the circular tube one by one. The surface of the connecting bead fits the inner side of the processing tank. The push plate is located below the support plate, and the upper surface of the push plate rotates with the bottom end of the support plate. The blades are an inclined structure, and the number of blades is set to be several, and the several blades are arranged in a ring shape at the bottom end of the push plate.

[0009] As further optimized content of the present invention, the connecting bead is spherical in shape, and a number of the connecting beads are equidistantly arranged, and the outer surface of the connecting bead fits with the inner wall of the treatment tank. A second sealing ring is fixedly connected to the side of the top end of the circular tube, and the outer side of the second sealing ring fits with the middle part of the inner side of the treatment tank.

[0010] As a further optimization content of the present invention, the number of upper sealing disks corresponds to the number of connecting grooves one by one, the upper sealing disks are located below the connecting grooves, the inner side of the upper sealing disks is connected to the inner side of the connecting grooves, four return springs are arranged below each upper sealing disk, the four return springs are arranged in a circle, the lower surface of the upper sealing disk and the upper surface of the lower sealing disk are provided with upper and lower corresponding blind holes, the top end of the return spring is fixedly connected to the inner wall of the blind hole located above, and the bottom end of the return spring is fixedly connected to the inner wall of the blind hole located below.

[0011] As a further optimization of the present invention, one side of the air pipe is fixedly connected to the top of the treatment tank, the inner side of the preheating cylinder is a cavity structure, the inner side of the preheating cylinder is connected to the inner side of the treatment tank through the inner side of the air pipe, the bottom of the supplementary tank is fixedly connected to the water inlet end of the water pump, the water outlet end of the supplementary tank is fixedly connected to the bottom of the inner side of the treatment tank, and the top of the supplementary tank is fixedly connected to a first solenoid valve through a supplementary pipe.

[0012] As a further optimization of the present invention, one end of the upper insulation conveying pipe is fixedly connected to the rear end face of the processing tank, the inner side of the carbonization furnace body is connected to the inner side of the processing tank through the inner side of the upper insulation conveying pipe, and the processing tank is connected to the air inlet end of the heat exchanger through the lower insulation conveying pipe.

[0013] A method for using a carbonization furnace capable of recovering flue gas for preparing renewable new-quality peat from straw, S1: The flue gas generated in the carbonization furnace body is transported to the inside of the treatment tank through the upper insulation conveying pipe. A proper amount of solution is pre-added inside the treatment tank and the supplementary tank. The flue gas in the treatment tank flows upward from the bottom, and the gas flows to the top of the inner wall of the treatment tank through the filter screen, and is transported to the heat exchanger through the lower insulation conveying pipe for reuse; S2: The accumulation of tar recycling materials and dust foreign matter in the liquid in the treatment tank increases the air pressure under the support plate, pushing the support plate to move upward. The sliding connection between the sealing tube and the adjusting rod provides a guide for the upward movement of the support plate. The corrugated sealing tube protects the return spring and the outer side of the adjusting rod. When the support plate moves, it will drive the rotating cleaning mechanism and the pressure relief mechanism to move synchronously. The blades are impacted by the rising airflow, driving the push plate and the round tube to rotate. The connecting beads fit the inner side of the treatment tank and rotate synchronously during the rotation of the round tube, contacting and cleaning the stubborn foreign matter attached. The support plate rises, and the connecting beads clean the stubborn foreign matter on the cleaning path. S3: The support mechanism continues to rise, the pressure rod in the detection rod is inserted into the circular groove above the lower sealing disk, the pressure rod presses the lower sealing disk, the lower sealing disk moves away from the upper sealing disk, and the space between the upper sealing disk and the lower sealing disk is expanded; S4: The pressure sensor detects the pressure transmitted by the pressure rod and the connecting block in real time. When the pressure reaches the set value, the second PCL controller controls the second solenoid valve and the water pump to open. The second solenoid valve first removes the solution with tar-attached recycling materials and dust foreign matter. The solution in the replenishing tank is replenished into the processing tank through the water pump. The support plate is reset under the tension of the reset spring. The gas above the inner wall of the processing tank enters the preheating cylinder through the upper air pipe for heat treatment. The gas flows back to the processing tank through the one-way valve below. The liquid level sensor detects the replenishing liquid in the replenishing tank. When the liquid level reaches the minimum water level, the first PCL controller controls the first solenoid valve to open to replenish the replenishing tank.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, by setting up a recycling and processing component, the solution in the processing tank is used to absorb the reusable materials and dust foreign matter in the flue gas, so as to effectively purify the flue gas and facilitate the subsequent use of the heat exchanger. With the accumulation of tar particles and debris in the liquid in the processing tank, the supporting plate of the lifting rod will automatically rise under the influence of air pressure. In this process, the rotating cleaning mechanism and the pressure relief mechanism will be triggered to clean up stubborn foreign matter, which is convenient for maintenance, and the pressure relief treatment is performed to protect the processing tank from pressure expansion, thereby improving the safety of the processing tank; 2. In the present invention, through the cooperation of the detection rod and the supporting mechanism, the rising support plate will be detected by the detection rod and trigger the replenishment component to first discharge the solution containing tar particles and impurities, which is convenient for later use and improves the overall economic benefits. At the same time, new solution will be replenished for the next round of circulation treatment, which greatly improves the convenience of operation and work efficiency; 3. In the present invention, by setting up a replenishing component, part of the gas is heated by the preheating cylinder and then returned to the processing tank, forming a closed-loop system to ensure temperature stability and avoid the newly added liquid from significantly lowering the temperature of the recovered gas, which is beneficial to maintaining the efficiency of the entire process. At the same time, the liquid level sensor monitors the amount of liquid in the replenishing tank. When it drops to the minimum safe level, the required materials are automatically added to the replenishing tank to maintain the continuity and efficiency of the entire process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a side structural schematic diagram of the present invention; Figure 3 It is a structural schematic diagram of the processing tank of the present invention; Figure 4 It is a schematic diagram of the cross-sectional structure of the processing tank of the present invention; Figure 5 It is a structural schematic diagram of the lifting rod of the present invention; Figure 6 It is a structural schematic diagram of the support mechanism of the present invention; Figure 7 It is a structural schematic diagram of the cleaning mechanism of the present invention; Figure 8 It is a structural schematic diagram of the pressure relief mechanism of the present invention; Fig. 9 It is a schematic diagram of the structure of the supplementary components of the present invention.

[0016] In the figure: 1. Carbonization furnace body; 2. Upper insulation conveying pipe; 3. Mounting platform; 4. Recycling and processing components; 6. Lower insulation conveying pipe; 7. Heat exchanger; 41. Treatment tank; 42, lifting rod; 421, sealing tube; 422, adjusting rod; 423, return spring; 424, corrugated sealing tube; 43. Support mechanism; 431. Support plate; 432. Connecting groove; 433. Mounting groove; 44. cleaning mechanism; 441. connecting plate; 442. round tube; 443. first anti-slip groove; 444. second anti-slip groove; 445. connecting bead; 446. push plate; 447. blade; 448. second sealing ring; 45. pressure relief mechanism; 451. upper sealing disc; 452. lower sealing disc; 453. blind hole; 454. return spring; 456. guide rod; 457. circular groove; 46. ​​Filter; 47. Detection rod; 471. Support rod; 472. Placement hole; 473. Pressure sensor; 474. Connecting block; 475. Pressure rod; 476. First sealing ring; 48. Second PCL controller; 49. Second solenoid valve; 4901. Discharge pipe; 5. Supplementary component; 51. Supplementary tank; 52. Preheating cylinder; 53. Air pipe; 54. One-way valve; 55. Water pump; 57. First solenoid valve; 5701. Supplementary pipe; 58. Liquid level sensor; 59. First PCL controller. DETAILED DESCRIPTION

[0017] See also Figure 1-9 , the present invention provides a technical solution: A flue gas recovery carbonization furnace for preparing renewable new quality peat from straw and a method for using the same, comprising a carbonization furnace body 1, an upper heat-insulating conveying pipe 2 is installed above the carbonization furnace body 1, one end of the upper heat-insulating conveying pipe 2 is fixedly connected to the rear end surface of a processing tank 41, the inner side of the carbonization furnace body 1 is connected to the inner side of the processing tank 41 through the inner side of the upper heat-insulating conveying pipe 2, the processing tank 41 is connected to the air inlet end of a heat exchanger 7 through a lower heat-insulating conveying pipe 6, a mounting platform 3 is fixedly provided on one side of the carbonization furnace body 1 away from the combustion chamber, a recovery and processing component 4 is fixedly provided on one side of the top of the mounting platform 3, a supplementary component 5 is fixedly provided on the other side of the top of the mounting platform 3, the top of the recovery and processing component 4 is fixedly connected to the heat exchanger 7 through the lower heat-insulating conveying pipe 6, and the recovery and processing component 4 is fixedly provided on the other side of the top of the mounting platform 3. Component 4 includes a processing tank 41, a lifting rod 42 is fixedly arranged on the inner side of the processing tank 41, the lifting rod 42 includes a sealing cylinder 421, an adjusting rod 422 is slidably connected to the inner side of the sealing cylinder 421, a return spring 423 is sleeved on the outer side of the adjusting rod 422, a corrugated sealing tube 424 is installed on the outer side of the return spring 423, a supporting mechanism 43 is installed above the lifting rod 42, the supporting mechanism 43 includes a support plate 431, the support plate 431 is located in the middle of the inner side of the processing tank 41, a connecting groove 432 and a mounting groove 433 are opened in the middle of the support plate 431, the connecting groove 432 is circular in shape, two connecting grooves 432 are provided, the two connecting grooves 432 are respectively located on both sides of the support plate 431 in the horizontal direction, the mounting groove 433 is square in shape, and the mounting groove 433 is square in shape. There are two grooves 433, and the two mounting grooves 433 are respectively located on both sides of the mounting groove 433 in the longitudinal direction. The outer side of the support plate 431 is rotatably connected with a rotating cleaning mechanism 44, and the rotating cleaning mechanism 44 includes a connecting plate 441, and a circular tube 442 is fixedly connected to the outer side of the connecting plate 441. A connecting bead 445 is rotatably connected between the connecting plate 441 and the circular tube 442, and a push plate 446 is fixedly connected to the inner side of the circular tube 442, and a blade 447 is fixedly connected to the bottom end of the push plate 446. A pressure relief mechanism 45 is installed below the connecting groove 432, and the pressure relief mechanism 45 includes an upper sealing plate 451, and a lower sealing plate 452 is elastically connected to the lower side of the upper sealing plate 451 through a return spring 454, and a guide rod 45 is slidably connected to the inner side of the lower sealing plate 452 6. A circular groove 457 is provided in the middle of the top of the lower sealing disk 452, a filter screen 46 is installed on the inner side of the installation groove 433, a detection rod 47 is fixedly connected to the top of the inner wall of the processing tank 41, the replenishing component 5 includes a replenishing tank 51, a preheating cylinder 52 is fixedly connected to the outer side of the replenishing tank 51, two air pipes 53 are provided on one side of the preheating cylinder 52, a one-way valve 54 is fixedly connected to the middle of the air pipe 53, a water pump 55 is fixedly connected to the bottom of the replenishing tank 51, a first solenoid valve 57 is installed on the top of the replenishing tank 51, a liquid level sensor 58 is fixedly connected to the inner side of the replenishing tank 51, a first PCL controller 59 is fixedly connected to the upper surface of the replenishing tank 51, and the liquid level sensor 58 is electrically connected to the first solenoid valve 57 through the first PCL controller 59.

[0018] As a further implementation of this scheme, the bottom end of the sealing cylinder 421 is located at the center of the bottom end of the processing tank 41, the position of the reset spring 423 is located at the top of the outer side of the adjusting rod 422, the bottom end of the reset spring 423 is fixedly connected to the upper surface of the sealing cylinder 421, the top end of the reset spring 423 is fixedly connected to the lower surface of the support plate 431, the inner side of the corrugated sealing tube 424 is spaced from the outer side of the reset spring 423, the bottom end of the corrugated sealing tube 424 is fixedly connected to the top end of the sealing cylinder 421, the top end of the corrugated sealing tube 424 is fixedly connected to the bottom end of the support plate 431, and the corrugated sealing tube 424 is set to have retractability, which can protect the reset spring 423 and the adjusting rod 422; As a further implementation of this scheme, a first anti-slip groove 443 is provided in the middle of the outer side of the connecting disk 441, and the second anti-slip groove 444 is provided in the middle of the circular tube 442, and the second anti-slip groove 444 is provided, and the position of the second anti-slip groove 444 corresponds to the position of the circular tube 442. The surface of the connecting bead 445 fits the inner side of the processing tank 41. The push plate 446 is located below the support plate 431, and the upper surface of the push plate 446 is rotatably matched with the bottom end of the support plate 431. The blade 447 is an inclined structure, and the number of blades 447 is provided. The blades 447 are arranged in a ring at the bottom end of the push plate 446. The blades 447 are impacted by the rising airflow, driving the push plate 446 and the circular tube 442 to rotate, which is convenient for cleaning stubborn foreign objects on the path. As a further implementation of this solution, the connecting bead 445 is spherical in shape, and a number of connecting beads 445 are equidistantly arranged. The outer surface of the connecting bead 445 fits the inner wall of the processing tank 41. The connecting bead 445 is rubbed against the inner wall of the processing tank 41 to clean stubborn foreign matter. The side of the top of the circular tube 442 is fixedly connected with a second sealing ring 448. The outer side of the second sealing ring 448 fits the middle part of the inner side of the processing tank 41. This arrangement ensures the sealing of the side. As a further implementation of the present scheme, the number of upper sealing disks 451 corresponds to the number of connecting grooves 432, the upper sealing disks 451 are located below the connecting grooves 432, the inner side of the upper sealing disks 451 is communicated with the inner side of the connecting grooves 432, and there are four return springs 454 below each upper sealing disk 451, and the four return springs 454 are arranged in a circle, and the lower surface of the upper sealing disk 451 and the upper surface of the lower sealing disk 452 are provided with upper and lower corresponding blind holes 453, the top end of the return spring 454 is fixedly connected to the inner wall of the blind hole 453 located above, and the bottom end of the return spring 454 is fixedly connected to the inner wall of the blind hole 453 located below, so that the return spring 454 in the natural state can be hidden in the blind hole 453, which can protect the return spring 454 and improve its service life; As a further implementation of the present scheme, one side of the air pipe 53 is fixedly connected to the top of the processing tank 41, the inner side of the preheating cylinder 52 is a cavity structure, the inner side of the preheating cylinder 52 is connected to the inner side of the processing tank 41 through the inner side of the air pipe 53, the bottom of the supplementary tank 51 is fixedly connected to the water inlet end of the water pump 55, the water outlet end of the supplementary tank 51 is fixedly connected to the bottom of the inner side of the processing tank 41, and the top of the supplementary tank 51 is fixedly connected to the first solenoid valve 57 through the supplementary pipe 5701. This arrangement facilitates the replacement of the liquid in the processing tank 41. As a further implementation scheme of the present scheme, the detection rod 47 includes a support rod 471, a placement hole 472 is opened at the bottom end of the support rod 471, a pressure sensor 473 is fixedly connected to the inner side of the placement hole 472, a connecting block 474 is installed at the bottom end of the pressure sensor 473, a pressure rod 475 is fixedly connected to the bottom end of the connecting block 474, a first sealing ring 476 is fixedly connected to the outer side of the connecting block 474, the outer side of the first sealing ring 476 is in contact with the bottom of the inner side of the placement hole 472, a second PCL controller 48 is fixedly connected to one side of the upper surface of the processing tank 41, a second solenoid valve 49 is installed at the bottom of the outer side of the processing tank 41 through a discharge pipe 4901, the pressure sensor 473 is electrically connected to the second solenoid valve 49 and the water pump 55 through the second PCL controller 48, and thus it is arranged to judge whether the liquid in the processing tank 41 needs to be replaced according to the pressure detected by the pressure sensor 473.

[0019] Workflow: The flue gas generated in the carbonization furnace body 1 is transported to the inside of the processing tank 41 through the upper insulation conveying pipe 2. An appropriate amount of solution is pre-added inside the processing tank 41 and the replenishing tank 51. The flue gas in the processing tank 41 flows upward from the bottom. During this process, the solution absorbs the reusable substances and dust foreign matter in the flue gas. The gas flows to the top of the inner wall of the processing tank 41 through the filter 46 and is transported to the heat exchanger 7 through the lower insulation conveying pipe 6 for reuse. As the tar recycling material and dust foreign matter accumulate in the liquid in the treatment tank 41, the liquid becomes thicker, resulting in a significant decrease in the passing rate of smoke in the liquid, which increases the air pressure under the support plate 431, pushing the support plate 431 to move upward, and the sliding connection between the sealing cylinder 421 and the adjusting rod 422 provides a guide for the upward movement of the support plate 431. The corrugated sealing tube 424 protects the outer side of the return spring 423 and the adjusting rod 422, reducing the adhesion of the tar recycling material and dust foreign matter, thereby extending the service life of the return spring 423 and the adjusting rod 422. When the support plate 431 moves, it will drive the rotating cleaning mechanism 44 and the pressure relief mechanism 45 to move synchronously, and the blade 447 is impacted by the rising airflow, driving the push plate 446 and the circular tube 442 to rotate, and the connecting bead 445 fits the inner side of the treatment tank 41, and rotates synchronously during the rotation of the circular tube 442, using contact to clean the stubborn foreign matter attached, which is convenient for later maintenance. As the support plate 431 rises, the stubborn foreign matter on the cleaning path of the connecting bead 445 is cleaned; As the support mechanism 43 continues to rise, the pressure rod 475 in the detection rod 47 is inserted into the circular groove 457 above the lower sealing disk 452, and the pressure rod 475 applies pressure to the lower sealing disk 452, so that the lower sealing disk 452 moves downward and away from the upper sealing disk 451, thereby expanding the space between the upper sealing disk 451 and the lower sealing disk 452. The guide rod 456 ensures the stability of the movement of the lower sealing disk 452. As the space between the upper sealing disk 451 and the lower sealing disk 452 expands, the gas that is not discharged in time is discharged through the space interval, and the pressure relief treatment is performed to protect the processing tank 41 from pressure expansion; At the same time, the pressure sensor 473 monitors the pressure change between the pressure rod 475 and the connecting block 474 in real time. Once the detected pressure reaches the preset value, the second PCL controller 48 will start the second solenoid valve 49 and the water pump 55. First, the second solenoid valve 49 will discharge the solution containing tar particles and impurities for subsequent treatment and reuse. Then, the new solution in the replenishment tank 51 is transported to the treatment tank 41 through the water pump 55. At this time, under the action of the return spring 423, the support plate 431 returns to its original position, ready for the next round of cycle treatment. In order to ensure that the newly added liquid does not significantly lower the temperature of the recovered gas, part of the gas flowing out from the top of the processing tank 41 will enter the preheating cylinder 52 through the upper air pipe 53 for heating treatment, and then return to the processing tank 41 through the one-way valve 54 installed at the bottom, forming a closed-loop system to ensure temperature stability. In addition, the liquid level sensor 58 is responsible for monitoring the amount of liquid in the replenishing tank 51. When it drops to the minimum safe level, the first PCL controller 59 will activate the first solenoid valve 57 to automatically add the required material to the replenishing tank 51, thereby maintaining the continuity and efficiency of the entire process.

[0020] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. The above is only a preferred implementation of the present invention. It should be pointed out that due to the limitations of textual expression and the objective existence of infinite specific structures, ordinary technicians in this technical field can make several improvements, modifications or changes without departing from the principles of the present invention, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the protection scope of the present invention.

Claims

1. A carbonization furnace with flue gas recovery for preparing renewable new quality peat from straw, comprising a carbonization furnace body (1), characterized in that: An upper heat-insulating conveying pipe (2) is installed above the carbonization furnace body (1); a mounting platform (3) is fixedly installed on the side of the carbonization furnace body (1) away from the combustion chamber; a recycling component (4) is fixedly installed on one side of the top of the mounting platform (3); a supplementing component (5) is fixedly installed on the other side of the top of the mounting platform (3); and the top of the recycling component (4) is fixedly connected to the heat exchanger (7) via a lower heat-insulating conveying pipe (6); The recycling and processing assembly (4) comprises a processing tank (41), a lifting rod (42) is fixedly arranged on the inner side of the processing tank (41), the lifting rod (42) comprises a sealing cylinder (421), an adjusting rod (422) is slidably connected to the inner side of the sealing cylinder (421), a return spring (423) is sleeved on the outer side of the adjusting rod (422), a corrugated sealing tube (424) is installed on the outer side of the return spring (423), a supporting mechanism (43) is installed above the lifting rod (42), the supporting mechanism (43) comprises a supporting plate (431), a connecting groove (432) and a mounting groove (433) are opened in the middle of the supporting plate (431), a rotating cleaning mechanism (44) is rotatably connected to the outer side of the supporting plate (431), the rotating cleaning mechanism (44) comprises a connecting plate (441), the outer side of the connecting plate (441) is fixedly connected to the outer side of the connecting plate (441), and the rotating cleaning mechanism (44) comprises a connecting plate (441). A circular tube (442) is fixedly connected to the connecting plate (441), a connecting bead (445) is rotatably connected between the connecting plate (441) and the circular tube (442), a push plate (446) is fixedly connected to the inner side of the circular tube (442), a blade (447) is fixedly connected to the bottom end of the push plate (446), a pressure relief mechanism (45) is installed below the connecting groove (432), the pressure relief mechanism (45) comprises an upper sealing plate (451), a lower sealing plate (452) is elastically connected to the lower side of the upper sealing plate (451) via a return spring (454), a guide rod (456) is slidably connected to the inner side of the lower sealing plate (452), a circular groove (457) is provided in the middle of the top of the lower sealing plate (452), a filter screen (46) is installed on the inner side of the mounting groove (433), and a detection rod (47) is fixedly connected to the top of the inner wall of the processing tank (41); The replenishing component (5) comprises a replenishing tank (51), the outer side of the replenishing tank (51) is fixedly connected to a preheating cylinder (52), one side of the preheating cylinder (52) is provided with two air pipes (53), the middle part of the air pipe (53) is fixedly connected to a one-way valve (54), the bottom of the replenishing tank (51) is fixedly connected to a water pump (55), the top of the replenishing tank (51) is installed with a first solenoid valve (57), the inner side of the replenishing tank (51) is fixedly connected to a liquid level sensor (58), the upper surface of the replenishing tank (51) is fixedly connected to a first PCL controller (59), and the liquid level sensor (58) is electrically connected to the first solenoid valve (57) through the first PCL controller (59).

2. The carbonization furnace with flue gas recovery for preparing renewable new quality peat from straw according to claim 1, characterized in that: The detection rod (47) comprises a support rod (471), a placement hole (472) is provided at the bottom end of the support rod (471), a pressure sensor (473) is fixedly connected to the inner side of the placement hole (472), a connecting block (474) is installed at the bottom end of the pressure sensor (473), a pressure rod (475) is fixedly connected to the bottom end of the connecting block (474), a first sealing ring (476) is fixedly connected to the outer side of the connecting block (474), the outer side of the first sealing ring (476) is in contact with the bottom of the inner side of the placement hole (472), a second PCL controller (48) is fixedly connected to one side of the upper surface of the processing tank (41), a second solenoid valve (49) is installed at the bottom of the outer side of the processing tank (41) through a discharge pipe (4901), and the pressure sensor (473) is electrically connected to the second solenoid valve (49) and the water pump (55) through the second PCL controller (48).

3. The carbonization furnace with flue gas recovery for preparing renewable new quality peat from straw according to claim 1, characterized in that: The bottom end of the sealing cylinder (421) is located at the center of the bottom end of the processing tank (41); the position of the return spring (423) is located at the top of the outer side of the adjusting rod (422); the bottom end of the return spring (423) is fixedly connected to the upper surface of the sealing cylinder (421); the top end of the return spring (423) is fixedly connected to the lower surface of the support plate (431); there is a gap between the inner side of the corrugated sealing tube (424) and the outer side of the return spring (423); the bottom end of the corrugated sealing tube (424) is fixedly connected to the top end of the sealing cylinder (421); and the top end of the corrugated sealing tube (424) is fixedly connected to the bottom end of the support plate (431).

4. The carbonization furnace with flue gas recovery for preparing renewable new quality peat from straw according to claim 1, characterized in that: The support plate (431) is located in the middle of the inner side of the processing tank (41); the connection groove (432) is circular in shape; two connection grooves (432) are provided; the two connection grooves (432) are respectively located on two sides of the support plate (431) in the horizontal direction; the installation groove (433) is square in shape; two installation grooves (433) are provided; the two installation grooves (433) are respectively located on two sides of the installation groove (433) in the longitudinal direction.

5. The carbonization furnace with flue gas recovery for preparing renewable new quality peat from straw according to claim 1, characterized in that: A first anti-slip groove (443) rotatably engaged with the connecting bead (445) is provided in the middle of the outer side of the connecting disk (441); a second anti-slip groove (444) rotatably engaged with the connecting bead (445) is provided in the middle of the circular tube (442); the position of the second anti-slip groove (444) corresponds to the position of the circular tube (442); the surface of the connecting bead (445) fits the inner side of the processing tank (41); the pushing disk (446) is located below the supporting plate (431); the upper surface of the pushing disk (446) rotatably engages with the bottom end of the supporting plate (431); the blade (447) is an inclined structure; a plurality of blades (447) are provided; and the plurality of blades (447) are arranged in a ring shape at the bottom end of the pushing disk (446).

6. The carbonization furnace with flue gas recovery for preparing renewable new quality peat from straw according to claim 1, characterized in that: The connecting bead (445) is spherical in shape, and a plurality of the connecting beads (445) are arranged at equal intervals. The outer surface of the connecting bead (445) fits against the inner wall of the processing tank (41). A second sealing ring (448) is fixedly connected to the side of the top end of the circular tube (442), and the outer side of the second sealing ring (448) fits against the middle of the inner side of the processing tank (41).

7. The carbonization furnace with flue gas recovery for preparing renewable new quality peat from straw according to claim 1, characterized in that: The number of the upper sealing disks (451) corresponds to the number of the connecting grooves (432). The upper sealing disks (451) are located below the connecting grooves (432). The inner side of the upper sealing disks (451) is connected to the inner side of the connecting grooves (432). There are four return springs (454) below each upper sealing disk (451). The four return springs (454) are arranged in a circular shape. The lower surface of the upper sealing disk (451) and the upper surface of the lower sealing disk (452) are both provided with upper and lower corresponding blind holes (453). The top end of the return spring (454) is fixedly connected to the inner wall of the blind hole (453) located above, and the bottom end of the return spring (454) is fixedly connected to the inner wall of the blind hole (453) located below.

8. The carbonization furnace with flue gas recovery for preparing renewable new quality peat from straw according to claim 1, characterized in that: One side of the air pipe (53) is fixedly connected to the top of the processing tank (41); the inner side of the preheating cylinder (52) is a hollow structure; the inner side of the preheating cylinder (52) is connected to the inner side of the processing tank (41) via the inner side of the air pipe (53); the bottom of the replenishing tank (51) is fixedly connected to the water inlet end of the water pump (55); the water outlet end of the replenishing tank (51) is fixedly connected to the inner bottom of the processing tank (41); and the top of the replenishing tank (51) is fixedly connected to a first solenoid valve (57) via a replenishing pipe (5701).

9. The carbonization furnace with flue gas recovery for preparing renewable new quality peat from straw according to claim 1, characterized in that: One end of the upper heat-insulating conveying pipe (2) is fixedly connected to the rear end surface of the processing tank (41); the inner side of the carbonization furnace body (1) is connected to the inner side of the processing tank (41) through the inner side of the upper heat-insulating conveying pipe (2); and the processing tank (41) is connected to the air inlet end of the heat exchanger (7) through the lower heat-insulating conveying pipe (6).

10. A method for using a carbonization furnace with flue gas recovery for preparing renewable new quality peat from straw according to any one of claims 1 to 9, characterized in that: S1: The flue gas generated in the carbonization furnace body (1) is transported to the inside of the processing tank (41) through the upper insulation transport pipe (2). An appropriate amount of solution is pre-added inside the processing tank (41) and the replenishing tank (51). The flue gas in the processing tank (41) flows upward from the bottom. The gas passes through the filter (46) and flows to the top of the inner wall of the processing tank (41). The gas is then transported to the heat exchanger (7) through the lower insulation transport pipe (6) for reuse. S2: The accumulation of tar recycling materials and dust foreign matter in the liquid in the processing tank (41) increases the air pressure below the support plate (431), pushing the support plate (431) to move upward. The sliding connection between the sealing tube (421) and the adjusting rod (422) provides a guide for the upward movement of the support plate (431). The corrugated sealing tube (424) protects the return spring (423) and the outer side of the adjusting rod (422). When the support plate (431) moves, it drives the rotating cleaning mechanism (44) and the pressure relief mechanism (45) to move synchronously. The blade (447) is impacted by the rising airflow, driving the push plate (446) and the circular tube (442) to rotate. The connecting bead (445) fits the inner side of the processing tank (41) and rotates synchronously during the rotation of the circular tube (442), contacting and cleaning the stubborn foreign matter attached thereto. The support plate (431) rises, and the connecting bead (445) cleans the stubborn foreign matter on the cleaning path. S3: the support mechanism (43) continues to rise, the pressure rod (475) in the detection rod (47) is inserted into the circular groove (457) above the lower sealing disk (452), the pressure rod (475) applies pressure to the lower sealing disk (452), the lower sealing disk (452) moves away from the upper sealing disk (451), and the space between the upper sealing disk (451) and the lower sealing disk (452) is expanded; S4: The pressure sensor (473) detects the pressure transmitted by the pressure rod (475) and the connecting block (474) in real time. When the pressure reaches the set value, the second PCL controller (48) controls the second solenoid valve (49) and the water pump (55) to open. The second solenoid valve (49) first removes the solution attached with tar recycling materials and dust foreign matter. The solution in the replenishing tank (51) is replenished into the processing tank (41) through the water pump (55). The support plate (43) is reset under the pulling force of the reset spring (423). The gas above the inner wall of the processing tank (41) enters the preheating cylinder (52) through the upper air pipe (53) for heat treatment. The gas flows back into the processing tank (41) through the lower one-way valve (54). The liquid level sensor (58) detects the replenishing liquid in the replenishing tank (51). When the liquid level reaches the minimum water level, the first PCL controller (59) controls the first solenoid valve (57) to open to replenish the replenishing tank (51).

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