Biomass boiler sterilization all-in-one machine

Abstract

The invention relates to the technical field of sterilization equipment, in particular to a biomass boiler sterilization all-in-one machine which comprises a combustion engine and a sterilization box at the bottom, a heat absorption part is arranged in the combustion engine, a heat release part is arranged at the bottom of the sterilization box, the heat absorption part is communicated with the heat release part through a circulation pipeline, a preheating box is arranged in the side wall of the sterilization box, and the preheating box is communicated with the sterilization box. The preheating box is communicated with a smoke outlet of the burner, an induced draft fan is communicated in the preheating box, a grid plate is arranged at the upper part of the heat release part, a water tank is arranged at the bottom of the sterilization box, the heat release part is immersed in the water tank, and the grid plate is fixed at the upper part of the water tank.

Description

Technical Field

[0001] The present invention relates to the technical field of sterilization equipment, and in particular to an all-in-one sterilization machine for a biomass boiler. Background Art

[0002] When growing edible fungi, it is necessary to inoculate the culture medium with the strains. Sterilization before inoculation of the culture medium is one of the key links in the production of edible fungi. High-temperature sterilization of the culture medium can ensure that the edible fungi strains grow in a sterile environment. A better method is to use high-temperature hot steam to sterilize the culture medium. Most of the existing technologies use a sterilization cabinet, in which a shelf is set up, the culture medium is placed on the shelf, and then the hot steam generated by the boiler is input into the sterilization cabinet to complete the sterilization. The heating furnace and the cabinet of the existing sterilization cabinet are usually set separately, with low energy utilization and low sterilization efficiency, which is not conducive to energy saving and emission reduction. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a biomass boiler sterilization integrated machine in response to the above-mentioned technical deficiencies. A preheating box is arranged in the sterilization box. The smoke exhaust port of the burner is connected to the preheating box to preheat the sterilization box through flue gas, which solves the problems of low energy utilization rate and low sterilization efficiency of existing equipment, which is not conducive to energy saving and emission reduction.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is: a biomass boiler sterilization integrated machine, including a burner and a sterilization box at the bottom, a heat absorption part is provided in the burner, and a heat release part is provided at the bottom of the sterilization box, the heat absorption part is connected with the heat release part through a circulation pipeline, a preheating box is provided in the side wall of the sterilization box, the preheating box is connected with the smoke exhaust port of the burner, and a draft fan is connected in the preheating box, a grate plate is provided on the upper part of the heat release part, a water pool is provided at the bottom of the sterilization box, the heat release part is immersed in the water pool, and the grate plate is fixed to the upper part of the water pool.

[0005] To further optimize the technical solution, the heat absorption part and the heat release part are heat exchange tubes connected to each other end to end, the heat exchange tubes are filled with heat transfer oil, a circulating pump is provided in the pipeline connecting the heat absorption part and the heat release part, an oil replenishing hopper is provided at the negative pressure end of the circulating pump, and a valve is provided between the oil replenishing hopper and the circulating pump.

[0006] To further optimize the technical solution, a water replenishing tank is provided in the air intake duct of the induced draft fan, the air intake duct is connected to the water replenishing tank by heat exchange, a water inlet is provided at one end of the water replenishing tank, and a water outlet is provided at the other end, and the water outlet is connected to the sterilization box.

[0007] To further optimize the technical solution, a liquid level sensor is provided in the water pool, a water valve is provided in the water outlet, and the liquid level sensor is electrically connected to the water valve.

[0008] To further optimize the technical solution, the preheating boxes are divided into two groups, which are respectively arranged at the two ends of the sterilization box, and the two groups of preheating boxes are interconnected through a heat exchange smoke pipe, and the heat exchange smoke pipe is arranged at the bottom of the sterilization box.

[0009] To further optimize the technical solution, the smoke exhaust port and the induced draft fan are respectively connected to two different preheating boxes, and a box door is provided in the preheating box connected to the side of the smoke exhaust port.

[0010] To further optimize the technical solution, an exhaust hole communicating with the outside is provided in the side wall of the sterilization box, and the exhaust hole is arranged on the upper part of the grate plate.

[0011] To further optimize the technical solution, the outer wall of the sterilization box is provided with a heat insulation layer.

[0012] Compared with the prior art, the present invention has the following advantages: 1. A preheating box is set in the sterilization box. The exhaust port of the burner is connected to the preheating box, which can preheat the sterilization box through flue gas, improving the energy utilization rate and sterilization efficiency of the equipment; 2. The water inlet of the water supply tank is connected to the water source, and the water supply is preheated by the provided water supply tank. The flue gas discharged from the preheating tank releases heat to the supplemented water source in the water supply tank, and the water source after absorbing heat is added to the water pool, which further improves the energy utilization rate and reduces the heat loss. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the principle of a biomass boiler sterilization machine; Figure 2 This is a schematic diagram of the external structure of a biomass boiler sterilization integrated machine; Figure 3 It is a cross-sectional view of a biomass boiler sterilization integrated machine; Figure 4 It is a partial cross-sectional view of a preheating box at one end of a biomass boiler sterilization machine.

[0014] In the figure: 1. burner; 10. smoke exhaust port; 11. heat absorption part; 12. heat release part; 2. sterilization box; 20. preheating box; 21. exhaust hole; 22. water tank; 23. heat exchange smoke pipe; 221. liquid level sensor; 3. induced draft fan; 4. box door; 5. grate; 6. circulation pump; 61. oil supply hopper; 62. valve; 7. water supply tank; 71. water inlet; 72. water outlet; 73. water valve. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical scheme and advantages of the present invention clearer, the present invention is further described in detail below in conjunction with the reference drawings of specific embodiments. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the present invention. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the present invention.

[0016] Unless otherwise defined, the technical or scientific terms used herein shall have the common meanings understood by persons having ordinary skills in the field to which the present invention belongs. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0017] Combination Figures 1 to 3 As shown, a biomass boiler sterilization integrated machine includes a burner 1 and a sterilization box 2 at the bottom, wherein a heat absorption part 11 is provided in the burner 1, and a heat release part 12 is provided at the bottom of the sterilization box 2, wherein the heat absorption part 11 is connected with the heat release part 12 through a circulation pipeline, wherein the heat absorption part 11 and the heat release part 12 are heat exchange tubes which are connected to each other end to end, wherein the heat exchange tubes are filled with heat transfer oil, wherein a circulation pump 6 is provided in the pipeline connecting the heat absorption part 11 and the heat release part 12, wherein an oil replenishing hopper 61 is provided at the negative pressure end of the circulation pump 6, and a valve 62 is provided between the oil replenishing hopper 61 and the circulation pump 6.

[0018] Combination Figures 1 to 4 As shown, a preheating box 20 is provided in the side wall of the sterilization box 2, and the preheating box 20 is connected to the smoke exhaust port 10 of the burner 1. The preheating box 20 is divided into two groups, which are respectively arranged at the two ends of the sterilization box 2. The two groups of preheating boxes 20 are connected to each other through a heat exchange smoke pipe 23, and the heat exchange smoke pipe 23 is arranged at the bottom of the sterilization box 2. The top of the preheating box 20 at one end is connected to an induced draft fan 3. The smoke exhaust port 10 and the induced draft fan 3 are respectively connected to two different preheating boxes 20, and a box door 4 is provided in the preheating box 20 connected to the side of the smoke exhaust port 10.

[0019] A water replenishing tank 7 is provided in the air intake duct of the induced draft fan 3 , and the air intake duct is connected to the water replenishing tank 7 by heat exchange. A water inlet 71 is provided at one end of the water replenishing tank 7 , and a water outlet 72 is provided at the other end. The water outlet 72 is connected to the sterilization box 2 .

[0020] The upper part of the heat release part 12 is provided with a grate plate 5, the bottom of the sterilization box 2 is provided with a pool 22, the heat release part 12 is immersed in the pool 22, and the grate plate 5 is fixed to the upper part of the pool 22. A liquid level sensor 221 is provided in the pool 22, and a water valve 73 is provided in the water outlet 72, and the liquid level sensor 221 is electrically connected to the water valve 73. An exhaust hole 21 connected to the outside is provided in the side wall of the sterilization box 2, and the exhaust hole 21 is arranged on the upper part of the grate plate 5.

[0021] When in use, the heat absorbing part 11 is directly heated by the burner 1, and the circulating pump 6 is turned on to circulate the heat transfer oil between the heat absorbing part 11 and the heat releasing part 12. The heat releasing part 12 releases heat in the water pool 22 to heat the water to generate high-temperature steam to achieve high-temperature sterilization of the bacterial material on the grate plate 5 in the sterilization box 2. The high-temperature flue gas generated by the burner 1 enters the preheating box 20 at one end through the exhaust port 10, and the connection between the preheating boxes 20 at both ends is achieved through the heat exchange smoke pipe 23. The exhaust of the flue gas in the preheating box 20 can be accelerated by the induced draft fan 3, and the water and steam in the sterilization box 2 can be directly reheated through the preheating box 20 and the heat exchange smoke pipe 23 to avoid heat loss and improve energy utilization. The water inlet 71 of the water supply tank 7 is connected to the water source, and the water supply is preheated by the water supply tank 7. The smoke discharged from the preheating box 20 releases heat to the supplemented water source in the water supply tank 7, and the water source after absorbing heat is added to the water pool 22. The liquid level is detected by the liquid level sensor 221. When the liquid level in the water pool 22 reaches the set position, the water valve 73 is controlled to close, and the water supply of the water pool 22 is stopped. The air pressure in the sterilization box 2 is stabilized by the exhaust hole 21.

[0022] The control method of the present invention is automatic control through a controller. The control circuit of the controller can be realized by simple programming by technicians in this field, which belongs to common knowledge in this field, so the present invention will not explain the control method and circuit connection in detail.

[0023] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation of the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the appended claims of the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the appended claims, or the equivalent forms of such scope and boundaries.

[0024] Obviously, the described embodiments are only some embodiments of the present invention, not all 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.

Claims

1. A biomass boiler sterilization integrated machine, characterized in that: The invention comprises a burner (1) and a sterilizing box (2) at the bottom, wherein a heat absorbing part (11) is arranged inside the burner (1), a heat releasing part (12) is arranged at the bottom of the sterilizing box (2), the heat absorbing part (11) is connected to the heat releasing part (12) through a circulation pipeline, a preheating box (20) is arranged in the side wall of the sterilizing box (2), the preheating box (20) is connected to the smoke exhaust port (10) of the burner (1), an induced draft fan (3) is connected in the preheating box (20), a grate plate (5) is arranged at the top of the heat releasing part (12), a water pool (22) is arranged at the bottom of the sterilizing box (2), the heat releasing part (12) is immersed in the water pool (22), and the grate plate (5) is fixed to the top of the water pool (22).

2. The biomass boiler sterilization integrated machine according to claim 1, characterized in that: The heat absorbing part (11) and the heat releasing part (12) are heat exchange tubes connected end to end with each other, and the heat exchange tubes are filled with heat transfer oil. A circulation pump (6) is provided in the pipeline connecting the heat absorbing part (11) and the heat releasing part (12), and an oil replenishing hopper (61) is provided at the negative pressure end of the circulation pump (6), and a valve (62) is provided between the oil replenishing hopper (61) and the circulation pump (6).

3. The biomass boiler sterilization integrated machine according to claim 1 is characterized in that: A water replenishment tank (7) is provided in the air intake duct of the induced draft fan (3); the air intake duct is connected to the water replenishment tank (7) in the form of heat exchange; one end of the water replenishment tank (7) is provided with a water inlet (71) and the other end is provided with a water outlet (72); the water outlet (72) is connected to the sterilization box (2).

4. The biomass boiler sterilization integrated machine according to claim 3 is characterized in that: A liquid level sensor (221) is provided in the water pool (22), a water valve (73) is provided in the water outlet (72), and the liquid level sensor (221) is electrically connected to the water valve (73).

5. The biomass boiler sterilization integrated machine according to claim 1 is characterized in that: The preheating boxes (20) are divided into two groups, which are respectively arranged at the two ends of the sterilization box (2). The two groups of preheating boxes (20) are interconnected through a heat exchange smoke pipe (23), and the heat exchange smoke pipe (23) is arranged at the bottom of the sterilization box (2).

6. The biomass boiler sterilization integrated machine according to claim 5, characterized in that: The smoke exhaust port (10) and the induced draft fan (3) are respectively connected to two different preheating boxes (20), and a box door (4) is provided in the preheating box (20) connected to the side of the smoke exhaust port (10).

7. The biomass boiler sterilization integrated machine according to claim 5, characterized in that: An exhaust hole (21) communicating with the outside is provided in the side wall of the sterilization box (2), and the exhaust hole (21) is arranged on the upper part of the grate plate (5).

8. The biomass boiler sterilization integrated machine according to claim 1, characterized in that: The outer wall of the sterilization box (2) is provided with a heat insulation layer.

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