Heating device of pyrolysis carbonization equipment

Abstract

The utility model discloses a heating device of pyrolysis and carbonization equipment, which belongs to the technical field of pyrolysis and carbonization, and particularly comprises a combustion box and a carbonization machine fixedly arranged above the combustion box, a partition plate is fixedly arranged in the combustion box and is used for dividing the combustion box into a main combustion chamber and a secondary combustion chamber, the secondary combustion chamber is arranged below the carbonization machine; the hot air circulation opening is formed in the partition plate; the combustion nozzle is arranged on one side of the combustion box; through the main combustion chamber, the secondary combustion chamber, the hot air circulation opening and the combustion nozzle, the integrated combustion chamber design is adopted, hot air flow is used for heating equipment, the traditional mode that burning is directly conducted on the equipment through open fire is replaced, open fire heating is eradicated, corrosion to the equipment is reduced, the service life of the equipment is prolonged, and the energy-saving and environment-friendly effects are achieved. And return air can be fully combusted in the combustion chamber, and a large amount of pure hot air flow is generated and returns to the main combustion chamber and the secondary combustion chamber to be preheated and utilized.

Description

Technical Field

[0001] The utility model belongs to the technical field of pyrolysis carbonization, and in particular relates to a heating device for pyrolysis carbonization equipment. Background Art

[0002] The main components of the gas produced during the pyrolysis and carbonization of biomass are CO2, H20, N2 and a small amount of SO2 and CO; the other part is the volatile components produced by the carbonization and thermal decomposition of the material, such as CO, H2, CH4, alkanes, olefins, tar, wood acetate and particulate matter.

[0003] A system for recovering waste heat from a pyrolysis furnace is disclosed in Chinese utility model patent CN217654312U, which includes an external waste heat recovery device, a flue gas waste heat recovery device, and a control system. The external waste heat recovery device includes: a cylinder, which is a hollow structure: a water inlet pipe connected to its inner cavity at the top of one end, and a water outlet pipe connected to its inner cavity at the lower end of the other end; a support frame and a plurality of clearance holes and mounting holes are provided at the bottom of the cylinder, and a burner assembly is installed in the mounting hole; the utility model has high waste heat utilization efficiency, reduces environmental thermal pollution, and can also create additional income.

[0004] The above-mentioned prior art still has the following deficiencies: 1. When heating the cylinder, an open flame is used to heat the cylinder, directly burning the main engine, causing serious corrosion and oxidation of the equipment, greatly reducing the service life of the equipment;

[0005] 2. During the gas combustion process, the gas is not burned completely, and a large amount of incompletely burned gas is directly discharged into the atmosphere, and the emissions are unqualified. Utility Model Content

[0006] In order to solve the problems raised in the above background technology, the utility model provides a heating device for pyrolysis carbonization equipment, which has the characteristics of adopting an integrated combustion chamber design, using hot air flow for heating, eliminating open flame heating, and reducing corrosion to the equipment.

[0007] To achieve the above object, the utility model provides the following technical solution: a heating device for pyrolysis carbonization equipment, comprising a combustion box and a carbonization machine fixedly arranged above the combustion box, a partition is fixedly arranged in the combustion box for dividing the combustion box into a main combustion chamber and a secondary combustion chamber, and the secondary combustion chamber is arranged below the carbonization machine;

[0008] A hot air flow opening provided on the partition plate is used to connect the main combustion chamber with the secondary combustion chamber;

[0009] A burner nozzle is arranged at one side of the combustion box, and a nozzle of the burner nozzle extends into the interior of the main combustion chamber.

[0010] Preferably, the burner is a diesel burner.

[0011] Preferably, it further comprises a smoke treatment mechanism arranged on the combustion box, the smoke treatment mechanism comprising a dust removal cabinet and a fan, a smoke exhaust port is arranged on one side of the dust removal cabinet, and a smoke inlet is arranged on the other side of the dust removal cabinet;

[0012] The air inlet end of the fan is provided with a smoke exhaust duct extending into the main combustion chamber, and the air outlet end of the fan is connected to the smoke inlet port through the smoke inlet duct.

[0013] Preferably, a smoke guide assembly is provided in the dust removal cabinet, and the smoke guide assembly includes a plurality of staggered first guide plates and second guide plates, the bottom wall of the first guide plate is spaced apart from the bottom wall of the dust removal cabinet to form a first gas circulation area, and the top wall of the second guide plate is spaced apart from the top wall of the dust removal cabinet to form a second gas circulation area.

[0014] Preferably, a smoke spray assembly is further provided on the dust removal cabinet above the smoke guide assembly, and the smoke spray assembly includes a water spray pipe fixedly arranged on the dust removal cabinet, and the water spray pipe is connected to a plurality of spray nozzles extending into the dust removal cabinet.

[0015] Preferably, it also includes a smoke filter assembly arranged between the smoke exhaust port and the smoke guide assembly, the smoke filter assembly includes a fixed frame fixedly arranged on the dust removal cabinet and a movable frame slidably arranged in the fixed frame, the two sides of the movable frame are respectively detachably connected with the first filter layer and the second filter layer, and the bottom of the movable frame is detachably connected with the third filter layer.

[0016] Preferably, the first filter layer and the third filter layer are both first filter nets, and the second filter layer is an activated carbon adsorption net.

[0017] Preferably, the dust removal cabinet is provided with a take-in / put-out opening adapted to the movable frame, and a take-in / put-out cover is detachably connected to the take-in / put-out opening.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] The utility model adopts an integrated combustion chamber design through a main combustion chamber, a secondary combustion chamber, a hot air flow port and a burner, and uses a hot air flow to heat the equipment, replacing the traditional method of directly burning the equipment with an open flame, eliminating open flame heating, reducing corrosion to the equipment, and increasing the service life of the equipment. It can also make the return gas fully burn in the combustion chamber, and will generate a large amount of pure hot air flow, which will return to the main combustion chamber and the secondary combustion chamber for preheating utilization. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0021] Figure 1 This is a schematic diagram of the main structure of Embodiment 1 of the present utility model;

[0022] Figure 2 This is a side view of the structure of Embodiment 1 of the present utility model;

[0023] Figure 3 For this utility model Figure 2 Schematic diagram of the AA section structure;

[0024] Figure 4 This is a schematic diagram of the cross-sectional structure of the dust removal cabinet in Example 1 of the utility model;

[0025] Figure 5 This is a schematic diagram of the main structure of Embodiment 2 of the present utility model;

[0026] Figure 6 This is a schematic diagram of the three-dimensional structure of the dust removal cabinet in Example 2 of the utility model;

[0027] Figure 7 This is a schematic diagram of the main structure of Embodiment 3 of the present utility model;

[0028] Figure 8 This is a schematic diagram of the explosion structure of the smoke filter assembly of Example 3 of the utility model;

[0029] In the figure: 1. combustion box; 2. carbonization machine; 3. partition; 4. main combustion chamber; 5. secondary combustion chamber; 6. hot air flow outlet; 7. burner nozzle; 8. dust removal cabinet; 9. fan; 10. flue gas guide assembly; 101. first guide plate; 102. second guide plate; 11. flue gas spray assembly; 111. water spray pipe; 112. spray nozzle; 12. flue gas filter assembly; 121. fixed frame; 122. movable frame; 123. first filter layer; 124. second filter layer; 125. third filter layer; 126. access port; 127. access cover. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Example 1

[0032] See also Figure 1-4 , this embodiment provides the following technical solutions: a heating device for pyrolysis carbonization equipment, comprising a combustion box 1 and a carbonizer 2 fixedly arranged above the combustion box 1, a partition 3 fixedly arranged in the combustion box 1, used to divide the combustion box 1 into a main combustion chamber 4 and a secondary combustion chamber 5, and the secondary combustion chamber 5 is arranged below the carbonizer 2; a hot air flow port 6 arranged on the partition 3, used to connect the main combustion chamber 4 and the secondary combustion chamber 5; a burner 7 arranged on the right side of the combustion box 1, the nozzle of the burner 7 extends into the main combustion chamber 4, through the main combustion chamber 4, the secondary combustion chamber 5, the hot air flow port 6 and the burner 7, an integrated combustion chamber design is adopted, and the hot air flow is used to heat the equipment, instead of the traditional open flame directly burning the equipment, eliminating open flame heating, reducing corrosion to the equipment, and increasing the service life of the equipment, and enabling the return gas to be fully burned in the combustion chamber, and a large amount of pure hot air flow will be generated, which will return to the main combustion chamber 4 and the secondary combustion chamber 5 for preheating.

[0033] The burner 7 is a diesel burner 7 .

[0034] It also includes a flue gas treatment mechanism arranged on the combustion box 1, and the flue gas treatment mechanism includes a dust removal cabinet 8 and a fan 9. A smoke exhaust port is arranged on one side of the dust removal cabinet 8, and a smoke inlet is arranged on the other side of the dust removal cabinet 8; the air inlet end of the fan 9 is provided with a smoke exhaust duct extending into the main combustion chamber 4, and the air outlet end of the fan 9 is connected to the smoke inlet through the smoke inlet duct. In this embodiment, a smoke exhaust port is arranged on the top of the left side of the dust removal cabinet 8, and a smoke inlet is arranged on the top of the right side of the dust removal cabinet 8. Through the fan 9, the smoke in the main combustion chamber 4 can be drawn into the dust removal cabinet 8 to perform dust removal operations on the smoke.

[0035] A smoke guide assembly 10 is arranged in the dust collector 8, and the smoke guide assembly 10 includes a plurality of staggered first guide plates 101 and second guide plates 102. The bottom wall of the first guide plate 101 is spaced apart from the bottom wall of the dust collector 8 to form a first gas circulation area, and the top wall of the second guide plate 102 is spaced apart from the top wall of the dust collector 8 to form a second gas circulation area. In the present embodiment, the smoke guide assembly 10 is provided with two groups from right to left, and the second guide plates 102 in each group are arranged on the left side of the first guide plate 101. Through the mutual cooperation between the plurality of first guide plates 101 and the second guide plates 102, the smoke can be made to circulate in the dust collector 8 in an "S" shape, which has a buffering effect on the smoke circulation and is beneficial to the separation of tar and particulate matter in the smoke.

[0036] The working principle of this embodiment is as follows: the burner 7 is started to spray fire on the main combustion chamber 4, and the heat flow generated by the spray fire circulates in the combustion chamber and the secondary combustion chamber 5, so that the gas in the combustion box 1 can be fully burned, and the carbonizer 2 can be heated by the heat flow;

[0037] Start the fan 9 to allow the smoke in the combustion box 1 to enter the dust collector 8 through the smoke inlet duct and the smoke exhaust duct. The smoke is guided by the first guide plate 101 and the second guide plate 102 to make the smoke flow in the dust collector 8 in an "S" shape, and the gas after the particulate matter and tar are separated is discharged from the dust collector 8.

[0038] Example 2

[0039] See also Figure 5-6 A smoke spray assembly 11 is also provided on the dust removal cabinet 8 above the smoke guide assembly 10. The smoke spray assembly 11 includes a water spray pipe 111 fixedly provided on the dust removal cabinet 8. The water spray pipe 111 is connected to a plurality of spray nozzles 112 extending into the dust removal cabinet 8. The circulating smoke can be sprayed through the water spray pipe 111 and the spray nozzles 112 to further remove particulate matter in the smoke.

[0040] Example 3

[0041] See also Figure 7-8 , also includes a smoke filter assembly 12 arranged between the smoke exhaust port and the smoke guide assembly 10, the smoke filter assembly 12 includes a fixed frame 121 fixedly arranged on the dust removal cabinet 8 and a movable frame 122 slidably arranged in the fixed frame 121, the two sides of the movable frame 122 are respectively detachably connected with a first filter layer 123 and a second filter layer 124, and the bottom of the movable frame 122 is detachably connected with a third filter layer 125. In this embodiment, the first filter layer 123 is arranged on the right side of the movable frame 122, the second filter layer 124 is arranged on the left side of the movable frame 122, and the third filter layer 125 is arranged at the bottom of the movable frame 122. Through the first filter layer 123, the second filter layer 124 and the third filter layer 125, the gas discharged from the dust removal cabinet 8 can be further filtered, thereby improving the qualified rate of the gas entering the air.

[0042] The first filter layer 123 and the third filter layer 125 are both first filter nets, and the second filter layer 124 is an activated carbon adsorption net. Through the first filter net, the gas in the dust removal cabinet 8 can enter the movable frame 122, so that the first filter net can further filter the particulate matter in the gas, and through the activated carbon adsorption net, the odor in the exhaust gas can be adsorbed and filtered.

[0043] The dust removal cabinet 8 is provided with a take-in / put-out port 126 adapted to the movable frame 122, and a take-in / put-out cover 127 is detachably connected to the take-in / put-out port 126. The movable frame 122 can be taken out or put into the fixed frame 121 through the take-in / put-out port 126 and the take-in / put-out cover 127, so that the staff can clean or replace the first filter layer 123, the second filter layer 124, and the third filter layer 125.

[0044] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A heating device for pyrolysis carbonization equipment, characterized in that: It comprises a combustion box (1) and a carbonizing machine (2) fixedly arranged above the combustion box (1), wherein a partition plate (3) is fixedly arranged in the combustion box (1) for dividing the combustion box (1) into a main combustion chamber (4) and a secondary combustion chamber (5), and the secondary combustion chamber (5) is arranged below the carbonizing machine (2); A hot air flow opening (6) provided on the partition plate (3) and used to connect the main combustion chamber (4) and the secondary combustion chamber (5); A burner nozzle (7) is arranged on one side of the combustion box (1), and a nozzle of the burner nozzle (7) extends into the interior of the main combustion chamber (4).

2. The heating device of the pyrolysis carbonization equipment according to claim 1, characterized in that: The burner (7) is a diesel burner (7).

3. The heating device of the pyrolysis carbonization equipment according to claim 1, characterized in that: It also comprises a smoke treatment mechanism arranged on the combustion box (1), the smoke treatment mechanism comprising a dust removal cabinet (8) and a fan (9), a smoke exhaust port being arranged on one side of the dust removal cabinet (8), and a smoke inlet being arranged on the other side of the dust removal cabinet (8); The air inlet end of the fan (9) is provided with a smoke exhaust duct extending into the main combustion chamber (4), and the air outlet end of the fan (9) is connected to the smoke inlet port via the smoke inlet duct.

4. The heating device of the pyrolysis carbonization equipment according to claim 3, characterized in that: A smoke guide assembly (10) is arranged in the dust removal cabinet (8), and the smoke guide assembly (10) comprises a plurality of first guide plates (101) and second guide plates (102) which are arranged in a staggered manner, wherein the bottom wall of the first guide plate (101) is spaced apart from the bottom wall of the dust removal cabinet (8) to form a first gas circulation area, and the top wall of the second guide plate (102) is spaced apart from the top wall of the dust removal cabinet (8) to form a second gas circulation area.

5. The heating device of the pyrolysis carbonization equipment according to claim 4, characterized in that: A smoke spray assembly (11) is also provided on the dust removal cabinet (8) above the smoke guide assembly (10), the smoke spray assembly (11) comprising a water spray pipe (111) fixedly arranged on the dust removal cabinet (8), the water spray pipe (111) being connected to a plurality of spray nozzles (112) extending into the dust removal cabinet (8).

6. The heating device of the pyrolysis carbonization equipment according to claim 5, characterized in that: It also includes a smoke filter assembly (12) arranged between the smoke exhaust port and the smoke guide assembly (10), the smoke filter assembly (12) comprising a fixed frame (121) fixedly arranged on the dust removal cabinet (8) and a movable frame (122) slidably arranged in the fixed frame (121), the two sides of the movable frame (122) are respectively detachably connected to a first filter layer (123) and a second filter layer (124), and the bottom of the movable frame (122) is detachably connected to a third filter layer (125).

7. The heating device of the pyrolysis carbonization equipment according to claim 6, characterized in that: The first filter layer (123) and the third filter layer (125) are both first filter nets, and the second filter layer (124) is an activated carbon adsorption net.

8. The heating device of the pyrolysis carbonization equipment according to claim 6, characterized in that: The dust removal cabinet (8) is provided with a take-in / take-out opening (126) adapted to the movable frame (122), and a take-in / take-out cover (127) is detachably connected to the take-in / take-out opening (126).

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