CN215063562U

CN215063562U - High-combustion-efficiency biomass hot blast stove for grain dryer

Info

Publication number: CN215063562U
Application number: CN202120245531.2U
Authority: CN
Inventors: 张正友; 何贤明
Original assignee: Hefei Qiang Yu Machinery Co ltd
Current assignee: Hefei Qiang Yu Machinery Co ltd
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-12-07
Anticipated expiration: 2031-01-28

Abstract

The utility model relates to the technical field of drying equipment, and a grain drying-machine is with high combustion efficiency living beings hot-blast furnace is disclosed, the induction cooker comprises a cooker bod, the bottom fixedly connected with fire prevention cavity of furnace body, the heat preservation is installed to the inside wall of furnace body, the top internally mounted of fire prevention cavity has furnace, the bottom air-supply line of furnace lateral wall, the internally mounted of air-supply line has windproof net, furnace's top is installed and is cut apart the layer, the inside on cut apart the layer has seted up the flue, the inside of flue communicates with furnace's inside. The inside high temperature flue gas of furnace is shunted through tuber pipe and ventilation pipe convenience and is absorb, utilizes the toroidal tube to play and advances the pressure boost with high temperature gas transmission to pressure boost inslot portion, utilizes the air cock convenience to carry out effective heating with high temperature gas to the inside raw materials of charging tube, plays the effect of preheating dry, and the raw materials of being convenient for is at the inside burning rate of furnace, improves the combustion effect of raw materials, reduces the heat loss of burning.

Description

High-combustion-efficiency biomass hot blast stove for grain dryer

Technical Field

The application relates to the field of drying equipment, in particular to a high-combustion-efficiency biomass hot blast stove for a grain dryer.

Background

The mechanical incomplete combustion heat loss of the biomass hot blast stove is a main heat loss of the hot blast stove. The ash slag discharged from hot-blast stove burning solid fuel and the fly ash carried along with the smoke gas contain unburned fuel particles and carbon. The heat stored by these solid, unburnt tenderizers is referred to as the mechanical incomplete combustion heat loss of the stove.

The common biomass hot blast stove mostly uses solid fuel as raw materials, the combustion of the hot blast stove is only a simple cavity in the hot blast stove, the effect of improving the combustion degree of the fuel is not achieved, and much heat is easily dissipated.

In view of the above-mentioned related art, the inventors consider that there is a drawback that the combustion of a conventional biomass hot blast stove is insufficient.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the application provides a high-combustion-efficiency biomass hot blast stove for a grain dryer.

The application provides a pair of high combustion efficiency living beings hot-blast furnace for grain drying-machine adopts following technical scheme:

a high-combustion-efficiency biomass hot blast stove for a grain dryer comprises a stove body, wherein a fireproof cavity is fixedly connected to the bottom of the stove body, a heat preservation layer is installed on the inner side wall of the stove body, a hearth is installed inside the top of the fireproof cavity, a bottom air inlet pipe is arranged on the side wall of the hearth, a windproof net is installed inside the air inlet pipe, a partition layer is installed at the top of the hearth, a flue is arranged inside the partition layer, the inside of the flue is communicated with the inside of the hearth, a fire-blocking ring is installed inside the flue, a ventilation hole is formed in the top of the outer side wall of the hearth, an air pipe is fixedly sleeved outside the ventilation hole, a ventilation pipe is fixedly inserted inside the air pipe, a feeding pipe is fixedly inserted into the left side wall of the stove body, one end of the feeding pipe, located inside the stove body, is fixedly inserted into the left side wall of the hearth, an annular block is fixedly sleeved on the surface of one end of the feeding pipe, located inside the stove body, the mounting groove has been seted up to the bottom of feeding tube inner wall, the inner wall of mounting groove is installed and is blocked the net, the inside ring pipe that has seted up of annular piece, the inside of ring pipe and the inside intercommunication of ventilation pipe, the pressurized groove has been seted up to the bottom that is close to furnace one side of ring pipe, the fixed air cock of pegging graft in top of pressurized groove inner wall, the one end that the pressurized groove was kept away from to the air cock extends to the inside of mounting groove.

Through adopting above-mentioned technical scheme, conveniently shunt the absorption to the inside high temperature flue gas of furnace through tuber pipe and ventilation pipe, utilize the toroidal tube to play and transmit high temperature gas to the inside pressure boost that advances of pressure boost inslot, utilize the air cock convenience to carry out effective heating with high temperature gas to the inside raw materials of charging tube, play and preheat dry effect, the raw materials of being convenient for is at the combustion rate of furnace inside, improves the combustion effect of raw materials, reduces the heat loss of burning.

Preferably, one end of the air inlet pipe, which is far away from the hearth, penetrates through the interior of the fireproof cavity and is communicated with the exterior.

Through adopting above-mentioned technical scheme, the one end that furnace was kept away from to the air-supply line is connected with outside air-blower, reaches the effect that improves oxygen for the inside raw materials burning of furnace.

Preferably, the air pipe is a circular pipe, and the inside of the air pipe is communicated with the inside of the vent hole.

Preferably, the inner wall that blocks the net is located same cambered surface with the inner wall of filling tube, the filling tube is located furnace surface one end and is located twenty centimetres lower than filling tube one end on the furnace body surface.

Through adopting above-mentioned technical scheme, the charging tube of slope makes things convenient for the raw materials to get into inside the furnace.

Preferably, the annular pipe is positioned on the outer side of the feeding pipe, and the annular pipe is movably sleeved on the outer side of the feeding pipe.

Preferably, the smaller included angle between the central line of the air tap and the left side of the central line of the blocking net is sixty degrees.

Through adopting above-mentioned technical scheme, the air cock of slope is convenient drives the inside raw materials of charging tube.

To sum up, the application comprises the following beneficial technical effects:

the inside high temperature flue gas of furnace is shunted through tuber pipe and ventilation pipe convenience and is absorb, utilizes the toroidal tube to play and advances the pressure boost with high temperature gas transmission to pressure boost inslot portion, utilizes the air cock convenience to carry out effective heating with high temperature gas to the inside raw materials of charging tube, plays the effect of preheating dry, and the raw materials of being convenient for is at the inside burning rate of furnace, improves the combustion effect of raw materials, reduces the heat loss of burning.

Drawings

FIG. 1 is a front sectional view of the structure of the embodiment of the present application.

FIG. 2 is a front sectional view of the ring block according to the embodiment of the present invention.

Description of reference numerals: 1. a furnace body; 2. a fireproof cavity; 3. a heat-insulating layer; 4. a hearth; 5. an air inlet pipe; 6. a windproof net; 7. dividing the layer; 8. a flue; 9. a fire-blocking ring; 10. a vent hole; 11. an air duct; 12. a vent pipe; 13. a feed tube; 14. a ring block; 15. mounting grooves; 16. a barrier net; 17. an annular tube; 18. a pressurizing tank; 19. an air tap.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses high-combustion-efficiency biomass hot blast stove for grain dryer. Referring to fig. 1 and 2, a high-combustion-efficiency biomass hot-blast stove for a grain dryer comprises a stove body 1, a fireproof cavity 2 is fixedly connected to the bottom of the stove body 1, a heat preservation layer 3 is installed on the inner side wall of the stove body 1, the heat preservation layer 3 is a fireproof asbestos layer, the temperature of the outer wall of a hearth 4 is kept, the temperature difference between the outer wall of the hearth 4 and the inner wall of the hearth 4 is reduced, the heat loss is reduced, a hearth 4 is installed inside the top of the fireproof cavity 2, a bottom air inlet pipe 5 is arranged on the side wall of the hearth 4, one end, far away from the hearth 4, of the air inlet pipe 5 penetrates through the inside of the fireproof cavity 2 and is communicated with the outside, a windproof net 6 is installed inside the air inlet pipe 5, the windproof net 6 plays a role in reducing the vertical flow velocity of airflow, the direction of the airflow is changed to a certain degree, the combustion effect of raw materials is improved, a partition layer 7 is installed on the top of the hearth 4, the partition layer 7 is formed by combining a plurality of fireproof plates and a synthetic steel plate, the inside of the division layer 7 is provided with a flue 8, the inside of the flue 8 is communicated with the inside of the hearth 4, the inside of the flue 8 is provided with a fire-blocking ring 9, the fire-blocking ring 9 is a steel ring, the excessive flame is reduced to enter the upper flue 8, the top of the outer side wall of the hearth 4 is provided with a vent hole 10, the outer side of the vent hole 10 is fixedly sleeved with an air pipe 11, the air pipe 11 is an annular pipe, the inside of the air pipe 11 is communicated with the inside of the vent hole 10, the inside of the air pipe 11 is fixedly inserted with a vent pipe 12, the left side wall of the furnace body 1 is fixedly inserted with a feed pipe 13, one end of the feed pipe 13 positioned inside the furnace body 1 is fixedly inserted with the left side wall of the hearth 4, the surface of one end of the feed pipe 13 positioned inside the furnace body 1 is fixedly sleeved with an annular block 14, the bottom of the inner wall of the feed pipe 13 is provided with a mounting groove 15, the inner wall of the mounting groove 15 is provided with a blocking net 16, the inner wall of the blocking net 16 and the inner wall of the feed pipe 13 are positioned in the same cambered surface, the blocking of the blocking net 16 to the falling of the raw material is reduced, the area of the inner hole of the blocking net 16 occupies one tenth of the whole area, one end of the feeding pipe 13, which is positioned on the surface of the hearth 4, is lower than one end of the feeding pipe 13, which is positioned on the surface of the furnace body 1 by twenty centimeters, the annular block 14 is internally provided with the annular pipe 17, the annular pipe 17 is positioned on the outer side of the feeding pipe 13, the annular pipe 17 is movably sleeved on the outer side of the feeding pipe 13, the inner part of the annular pipe 17 is communicated with the inner part of the ventilation pipe 12, the bottom of the annular pipe 17, which is close to one side of the hearth 4, is provided with the pressurization groove 18, the top of the inner wall of the pressurization groove 18 is fixedly inserted with the air nozzle 19, one end, which is far away from the pressurization groove 18, of the air nozzle 19 extends to the inner part of the installation groove 15, the smaller included angle between the central line of the air nozzle 19 and the left side of the central line of the blocking net 16 is sixty degrees, the raw material is effectively preheated by utilizing the high-temperature airflow generated by the air nozzle 19, the combustion is convenient, the air flow, and the air film is formed between the raw material and the blocking net 16, jamming of the material with the barrier net 16 is avoided as much as possible.

The implementation principle of the high-combustion-efficiency biomass hot blast stove for the grain dryer is as follows: convenient shunt the absorption to the inside high temperature flue gas of furnace 4 through tuber pipe 11 and ventilation pipe 12, utilize annular pipe 17 to play and transmit high temperature gas to the inside pressure boost that advances of pressure boost groove 18, utilize air cock 19 to conveniently carry out effective heating with high temperature gas to the inside raw materials of filling tube 13, play and preheat dry effect, the raw materials of being convenient for is at the inside burning rate of furnace 4, improves the combustion effect of raw materials, reduces the heat loss that burns.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a grain drying-machine is with high combustion efficiency living beings hot-blast furnace, includes furnace body (1), its characterized in that: the bottom of the furnace body (1) is fixedly connected with a fireproof cavity (2), a heat preservation layer (3) is installed on the inner side wall of the furnace body (1), a hearth (4) is installed inside the top of the fireproof cavity (2), a bottom air inlet pipe (5) on the side wall of the hearth (4), a windproof net (6) is installed inside the air inlet pipe (5), a partition layer (7) is installed at the top of the hearth (4), a flue (8) is arranged inside the partition layer (7), the inside of the flue (8) is communicated with the inside of the hearth (4), a fireproof ring (9) is installed inside the flue (8), a ventilation hole (10) is formed in the top of the outer side wall of the hearth (4), an air pipe (11) is fixedly sleeved on the outer side of the ventilation hole (10), and a ventilation pipe (12) is fixedly inserted inside the air pipe (11), a feed pipe (13) is fixedly inserted and connected on the left side wall of the furnace body (1), one end of the feed pipe (13) positioned in the furnace body (1) is fixedly inserted and connected with the left side wall of the hearth (4), an annular block (14) is fixedly sleeved on the surface of one end of the feeding pipe (13) positioned inside the furnace body (1), the bottom of the inner wall of the charging pipe (13) is provided with a mounting groove (15), the inner wall of the mounting groove (15) is provided with a blocking net (16), an annular pipe (17) is arranged in the annular block (14), the inside of the annular pipe (17) is communicated with the inside of the ventilation pipe (12), the bottom of the annular pipe (17) close to one side of the hearth (4) is provided with a pressurizing groove (18), the top of supercharging groove (18) inner wall is fixed to be pegged graft there is air cock (19), the one end that supercharging groove (18) was kept away from to air cock (19) extends to the inside of mounting groove (15).

2. The high-efficiency biomass hot blast stove for the grain dryer according to claim 1, characterized in that: one end of the air inlet pipe (5) far away from the hearth (4) penetrates through the interior of the fireproof cavity (2) and is communicated with the exterior.

3. The high-efficiency biomass hot blast stove for the grain dryer according to claim 1, characterized in that: the air pipe (11) is a circular pipe, and the interior of the air pipe (11) is communicated with the interior of the ventilation hole (10).

4. The high-efficiency biomass hot blast stove for the grain dryer according to claim 1, characterized in that: the inner wall that blocks net (16) and the inner wall of filling tube (13) are located same cambered surface, filling tube (13) are located furnace (4) surface one end and are located twenty centimetres lower than filling tube (13) surface one end furnace body (1).

5. The high-efficiency biomass hot blast stove for the grain dryer according to claim 1, characterized in that: the annular pipe (17) is positioned at the outer side of the feeding pipe (13), and the annular pipe (17) is movably sleeved at the outer side of the feeding pipe (13).

6. The high-efficiency biomass hot blast stove for the grain dryer according to claim 1, characterized in that: and a small included angle between the central line of the air tap (19) and the left side of the central line of the blocking net (16) is sixty degrees.