Heat insulation type biomass hot blast stove door

Abstract

The utility model discloses a heat insulation type biomass hot-blast stove door, which relates to the field of biomass hot-blast stove doors and comprises a stove body, a stove door body is hinged on the front surface of the stove body, locking components are fixedly connected on the front surface of the stove door body and one side of the stove body, and an exhaust component is fixedly connected on the front surface of the stove door body. The front face of the furnace door body is fixedly connected with a handle. By the adoption of the structure, the telescopic column air outlet pipe is rotated to move outwards under the action of the external threads, after the telescopic column air outlet pipe moves outwards, the rubber pad is separated from the bottom of the exhaust barrel, and then hot air in the hot blast stove enters the exhaust barrel through the air inlet hole; and then the hot air enters the hollow telescopic column air outlet pipe, and finally hot air in the hot air furnace can be exhausted through the exhaust hole, so that the situation that workers are scalded when the hot air is not dissipated and the furnace door body is opened can be avoided, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the field of biomass hot blast furnace doors, in particular to a heat-insulating biomass hot blast furnace door. Background Art

[0002] Biomass hot air furnace is a thermal equipment that uses biomass fuel combustion to generate high-temperature hot air. It is mainly composed of a biomass combustion chamber, a heat exchanger and a hot air delivery system. Through the high-temperature cracking and gasification of biomass fuel, the heat generated by the fuel combustion is transferred to the hot air, thereby providing a heat source for various drying, baking, smelting and other process.

[0003] A Chinese patent with the announcement number "CN213090148U" discloses a hot blast furnace door, the furnace door is hinged to the outer side of the furnace observation port, the furnace door includes a furnace door plate, a heat insulation convex plate is welded on the inner side of the furnace door plate, and circular holes are correspondingly provided on the furnace door plate and the heat insulation convex plate, and the observation port circular tube is installed in the circular hole, the edge of the furnace door plate is bent inward, and the gap between the bend and the heat insulation convex plate is filled with refractory heat insulation material. After the furnace door is closed, there is a gap between the outer wall of the heat insulation convex plate and the furnace observation port, and the refractory heat insulation material filled between the bend and the heat insulation convex plate contacts the edge of the furnace observation port to fill the gap. The utility model can solve the problem of the hot blast furnace door being easy to deform and thus not tightly sealed in the prior art;

[0004] However, the hot blast furnace generates a large amount of hot steam during operation. When the operator opens the furnace door, he will be scalded by the rushing hot steam. The existing hot blast furnace door does not have a venting function before the furnace door is opened. Utility Model Content

[0005] In view of the problems mentioned in the background technology, the purpose of the present utility model is to provide a heat-insulating biomass hot air furnace door to solve the above problems.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions:

[0007] The vents are connected to the door frame via a latching mechanism, the latch being arranged on a camming mechanism, the vents being arranged on a camming mechanism and being able to vent the vents to move forward along the path of the door frame.

[0008] Furthermore, as a preferred technical solution, the locking assembly includes a locking block arranged on one side of the furnace body, a slot is provided on one side of the locking block, a circular hole is provided inside the slot, a spring is fixedly connected to the inside of the circular hole, a clamping block is fixedly connected to the other end of the spring, the clamping block extends into the interior of the slot, a sliding groove is provided on the outer side of the circular hole, a connecting plate is fixedly connected to the outer side of the clamping block, the connecting plate and the sliding groove are slidably connected to each other, an operating rod is fixedly connected to the opposite side of the connecting plate, a mounting seat is fixedly connected to the front side of the furnace door body, a plug rod is fixedly connected to the inner side of the mounting seat, the plug rod and the slot are plugged into each other, a clamping hole is provided on the upper end of the plug rod, the clamping hole and the clamping block are clamped into each other, and a bevel groove is provided on the other end of the plug rod.

[0009] Furthermore, as an optimal technical solution, the furnace door body and the furnace body are mutually clamped, the inner side of the furnace door body is fixedly connected with a heat-resistant sealing gasket, the front side of the furnace body is provided with a sealing groove, and the sealing groove and the heat-resistant sealing gasket are mutually sealed and clamped.

[0010] Furthermore, as a preferred technical solution, the furnace door body includes an outer shell, a refractory board is fixedly connected to the interior of the outer shell, an insulation board is fixedly connected to the other side of the refractory board, the outer shell wraps the refractory board and the insulation board, and installation grooves are provided on the surfaces of the outer shell, an observation frame is fixedly connected to the interior of the installation groove, the observation frame is fixedly and sealingly connected to the installation groove, and the interior of the observation frame is filled with a gas layer.

[0011] Furthermore, as a preferred technical solution, one end of the exhaust pipe is fixedly connected to a mounting edge, the surface of the mounting edge is provided with mounting holes, the inside of the mounting holes is inserted with mounting screws, the inner side of the furnace door body is provided with mounting screw holes, and the mounting screws pass through the mounting holes and are threadedly connected with the mounting screw holes.

[0012] In summary, the utility model mainly has the following beneficial effects:

[0013] First, by setting the exhaust assembly, the exhaust assembly is in a closed state when the hot blast furnace is used, and when the furnace door body needs to be opened, the exhaust pipe is rotated so that the exhaust pipe moves outward under the action of the external thread, and after the exhaust pipe moves outward, the rubber pad is separated from the bottom of the exhaust pipe, and then the hot air inside the hot blast furnace enters the exhaust pipe through the air inlet hole, and then enters the hollow exhaust pipe, and finally the hot air inside the hot blast furnace can be discharged through the exhaust hole, thereby avoiding the situation that the staff is scalded when the furnace door body is opened when the hot air has not dissipated, thereby increasing the practicality of the device, and the heat insulation board and the refractory board arranged inside the furnace door body can effectively isolate the heat inside the furnace body to achieve a heat insulation effect;

[0014] Secondly, through the provided locking assembly, when the furnace door body is closed during use, the insertion rod on the front side of the furnace door body will first enter the interior of the slot, and then the card block will be squeezed under the action of the inclined groove so that the spring contracts and the card block enters the interior of the round hole, and then the furnace door body will continue to be closed, so that when the furnace door body is completely closed, the insertion rod will completely enter the interior of the slot. At this time, the position of the card block is consistent with the position of the card hole at the upper end of the insertion rod, and the card block is pushed downward under the action of the spring to engage with the card hole. At this time, the furnace door body is in a closed state, which makes it more convenient to close the furnace door body and avoids the cumbersome process of closing the furnace door body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the exhaust assembly of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the furnace door body of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the locking assembly of the utility model.

[0019] : Illustrations: 1. furnace body; 2. furnace door body; 21. outer shell; 22. refractory board; 23. heat insulation board; 24. observation frame; 25. installation groove; 3. handle; 4. locking assembly; 41. locking block; 42. slot; 43. round hole; 44. slide groove; 45. spring; 46. clamping block; 47. connecting plate; 48. operating lever; 49. mounting seat; 50. plug rod; 51. clamping hole; 52. inclined groove; 5. heat-resistant sealing pad; 6. sealing groove; 7. exhaust assembly; 71. exhaust pipe; 72. air inlet; 73. air outlet pipe; 74. external thread; 75. sealing ring; 76. exhaust hole; 77. rubber pad; 8. mounting edge; 9. mounting hole; 10. mounting screw. DETAILED DESCRIPTION

[0020] Example

[0021] refer to Figures 1 to 4 , a heat-insulating biomass hot blast furnace door of the present embodiment comprises a furnace body 1, a furnace door body 2 is hingedly connected to the front of the furnace body 1, a locking assembly 4 is fixedly connected to the front of the furnace door body 2 and one side of the furnace body 1, an exhaust assembly 7 is fixedly connected to the front of the furnace door body 2, and a handle 3 is fixedly connected to the front of the furnace door body 2. The exhaust assembly 7 comprises an exhaust pipe 71 arranged on the inner side of the furnace door body 2, and the internal thread of the exhaust pipe 71 is connected to an exhaust pipe 73, and the exhaust pipe 73 passes through the furnace door body 2, and the outer surface of the exhaust pipe 73 is provided with an external thread 74, and the external thread 74 is connected to the internal thread of the exhaust pipe 71, and the surrounding side of the exhaust pipe 71 is provided with an air inlet hole 72, and the air outlet pipe 73 protrudes from the outside of the furnace door body 2 and has an exhaust hole 76, and the outer surface of the air outlet pipe 73 is fixedly connected with a sealing ring 75, and the sealing ring 75 is located at one end of the exhaust pipe 71, and the end of the air outlet pipe 73 extending into the exhaust pipe 71 is fixedly connected with a rubber pad 77, and the rubber pad 77 is movably connected to the inside of the exhaust pipe 71.

[0022] refer to Figure 1 and Figure 4The locking assembly 4 includes a locking block 41 arranged on one side of the furnace body 1, a slot 42 is provided on one side of the locking block 41, a round hole 43 is provided inside the slot 42, a spring 45 is fixedly connected inside the round hole 43, a clamping block 46 is fixedly connected to the other end of the spring 45, the clamping block 46 extends into the slot 42, a slide groove 44 is provided on the outer side of the round hole 43, a connecting plate 47 is fixedly connected to the outer side of the clamping block 46, the connecting plate 47 and the slide groove 44 are slidably connected to each other, an operating rod 48 is fixedly connected to the opposite side of the connecting plate 47, a mounting seat 49 is fixedly connected to the front side of the furnace door body 2, a plug rod 50 is fixedly connected to the inner side of the mounting seat 49, the plug rod 50 and the slot 42 are plugged into each other, a clamping hole 51 is provided on the upper end of the plug rod 50, the clamping hole 51 and the clamping block 46 are clamped into each other, and the plug rod 50 The other end of each of the bars is provided with an inclined groove 52; when the furnace door body 2 is closed, the insertion rod 50 on the front side of the furnace door body 2 will first enter the interior of the slot 42, and then the block 46 will be squeezed under the action of the inclined groove 52 to make the spring 45 contract and the block 46 enter the interior of the circular hole 43, and then the furnace door body 2 will continue to be closed, so that when the furnace door body 2 is completely closed, the insertion rod 50 will completely enter the interior of the slot 42. At this time, the position of the block 46 is consistent with the position of the card hole 51 at the upper end of the insertion rod 50, and under the action of the spring 45, the block 46 is pushed downward to be engaged with the card hole 51. At this time, the furnace door body 2 is in a closed state, and when the furnace door body 2 is opened, the operating rod 48 is held and moved upward to move the block 46 upward, so that the block 46 is disengaged from the card hole 51, so that the furnace door body 2 can be easily opened.

[0023] refer to Figure 1 The furnace door body 2 and the furnace body 1 are clamped together, and the inner side of the furnace door body 2 is fixedly connected with a heat-resistant sealing gasket 5. The front of the furnace body 1 is provided with a sealing groove 6, and the sealing groove 6 and the heat-resistant sealing gasket 5 are sealed and clamped together; the sealing groove 6 and the heat-resistant sealing gasket 5 are provided to increase the sealing performance of the device.

[0024] refer to Figure 1 and Figure 3 The furnace door body 2 includes an outer shell 21, a refractory board 22 is fixedly connected to the inside of the outer shell 21, and a heat insulation board 23 is fixedly connected to the other side of the refractory board 22. The outer shell 21 wraps the refractory board 22 and the heat insulation board 23. The surfaces of the outer shell 21, the refractory board 22 and the heat insulation board 23 are provided with mounting grooves 25, and the inside of the mounting grooves 25 are fixedly connected with an observation frame 24, and the observation frame 24 is fixedly and sealedly connected to the mounting grooves 25, and the inside of the observation frame 24 is filled with a gas layer; the high temperature can be isolated from the inside of the furnace body 1 by the arranged heat insulation board 23 and refractory board 22, and the combustion situation inside the furnace body 1 can be observed under the action of the observation frame 24, and the heat insulation effect can be achieved under the action of the inert gas layer.

[0025] refer to Figure 2One end of the exhaust pipe 71 is fixedly connected to a mounting edge 8, and mounting holes 9 are provided on the surface of the mounting edge 8. Mounting screws 10 are inserted into the mounting holes 9. Mounting screw holes are provided on the inner side of the furnace door body 2. The mounting screws 10 pass through the mounting holes 9 and are threadedly connected with the mounting screw holes. The provided mounting screw holes and mounting screws 10 make it convenient to disassemble and assemble the exhaust assembly 7.

[0026] Principle and advantages of use: when in use, first close the furnace door body 2. When closing the furnace door body 2, the insertion rod 50 on the front side of the furnace door body 2 will first enter the interior of the slot 42, and then squeeze the card block 46 under the action of the inclined groove 52 to make the spring 45 contract the card block 46 to enter the interior of the circular hole 43, and then continue to close the furnace door body 2, so that when the furnace door body 2 is completely closed, the insertion rod 50 completely enters the interior of the slot 42. At this time, the position of the card block 46 is consistent with the position of the card hole 51 at the upper end of the insertion rod 50, and the card block 46 is pushed downward under the action of the spring 45 to engage with the card hole 51. At this time, the furnace door body 2 is in a closed state, which makes it more convenient to close the furnace door body 2, avoiding the cumbersome process of closing the furnace door body 2. When in use, the high temperature can be isolated from the interior of the furnace body 1 by the provided heat insulation board 23 and the refractory board 22, and in the observation frame 24, the combustion situation inside the furnace body 1 can be observed, and the heat insulation effect can be achieved under the action of the inert gas layer. After the combustion is completed, when it is necessary to open the furnace door body 2, the outlet pipe 73 is rotated to make the outlet pipe 73 move outward under the action of the external thread 74. After the outlet pipe 73 moves outward, the rubber pad 77 is separated from the bottom of the exhaust pipe 71, and then the hot air inside the hot blast furnace enters the exhaust pipe 71 through the air inlet hole 72, and then enters the hollow air outlet pipe 73, and finally The hot air inside the hot blast furnace can be discharged through the exhaust hole 76, thereby avoiding the situation where the furnace door body 2 is opened when the hot air has not dissipated and scalding the staff. When opening the furnace door body 2, hold the operating rod 48 and move it upward to move the block 46 upward, so that the block 46 is separated from the card hole 51, so that the furnace door body 2 can be conveniently opened.

Claims

1. A heat-insulating biomass hot air furnace door, characterized in that: The hood is hinged with a furnace door body, the front of the furnace body is fixedly connected with a locking assembly, the front of the furnace door body is fixedly connected with an exhaust assembly, the front of the furnace door body is fixedly connected with a handle, the exhaust assembly includes an exhaust pipe arranged on the inner side of the furnace door body, the internal thread of the exhaust pipe is connected with an exhaust pipe, the exhaust pipe passes through the furnace door body, the outer surface of the exhaust pipe is provided with an external thread, the external thread is connected with the internal thread of the exhaust pipe, the circumferential side of the exhaust pipe is provided with air inlet holes, the exhaust pipe protrudes from the outside of the furnace door body to provide exhaust holes, the outer surface of the exhaust pipe is fixedly connected with a sealing ring, the sealing ring is located at one end of the exhaust pipe, the end of the exhaust pipe extending into the exhaust pipe is fixedly connected with a rubber pad, and the rubber pad is movably connected to the inside of the exhaust pipe.

2. The heat-insulating biomass hot air furnace door according to claim 1, characterized in that: The locking assembly includes a locking block arranged on one side of the furnace body, a slot is provided on one side of the locking block, a round hole is provided inside the slot, a spring is fixedly connected inside the round hole, a clamping block is fixedly connected to the other end of the spring, the clamping block extends into the slot, a sliding groove is provided on the outside of the round hole, a connecting plate is fixedly connected to the outside of the clamping block, the connecting plate and the sliding groove are slidably connected to each other, and an operating rod is fixedly connected to the opposite side of the connecting plate.

3. The heat-insulating biomass hot air furnace door according to claim 2, characterized in that: The front of the furnace door body is fixedly connected with a mounting seat, the inner side of the mounting seat is fixedly connected with an insertion rod, the insertion rod and the slot are plugged into each other, the upper end of the insertion rod is provided with a card hole, the card hole and the card block are carded into each other, and the other end of the insertion rod is provided with a bevel groove.

4. The heat-insulating biomass hot air furnace door according to claim 1, characterized in that: The furnace door body and the furnace body are mutually clamped, the inner side of the furnace door body is fixedly connected with a heat-resistant sealing gasket, the front side of the furnace body is provided with a sealing groove, and the sealing groove and the heat-resistant sealing gasket are mutually sealed and clamped.

5. The heat-insulating biomass hot air furnace door according to claim 1, characterized in that: The furnace door body comprises an outer shell, a fire-resistant board is fixedly connected to the interior of the outer shell, a heat-insulating board is fixedly connected to the other side of the fire-resistant board, and the outer shell wraps the fire-resistant board and the heat-insulating board.

6. The heat-insulating biomass hot air furnace door according to claim 5, characterized in that: The surfaces of the shell, the fire-resistant board and the heat-insulating board are all provided with installation grooves, the interiors of the installation grooves are fixedly connected with observation frames, the observation frames are fixedly and sealedly connected to the installation grooves, and the interiors of the observation frames are filled with a gas layer.

7. The heat-insulating biomass hot air furnace door according to claim 1, characterized in that: One end of the exhaust pipe is fixedly connected to a mounting edge, the surface of the mounting edge is provided with mounting holes, the inside of the mounting holes is plugged with mounting screws, the inner side of the furnace door body is provided with mounting screw holes, the mounting screws pass through the mounting holes and are threadedly connected with the mounting screw holes.

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