Hot air circulation baking machine
By introducing a hot air dust collector and a burner into the hot air circulating baker, the problems of energy waste and untreated exhaust gas are solved, achieving heat energy recycling and exhaust gas purification, thus improving safety and baking efficiency.
Patent Information
- Application Number
- CN202520138811.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-20
AI Technical Summary
Existing hot air circulating baking machines have problems such as high energy consumption, direct emission of untreated exhaust gas, significant safety hazards, and untimely cleaning.
A hot air circulation system was designed, comprising a hot air dust collector, a cooling duct, a cooling plate, and a burner. The hot air dust collector separates the silver residue and exhaust gas, and the exhaust gas is treated by the burner before being discharged. Combined with the design of the cooling duct and cooling plate, thermal energy recycling and exhaust gas purification are achieved.
It achieves the recycling of thermal energy, reduces energy consumption, reduces environmental pollution, and improves safety and baking efficiency.
Smart Images
Figure CN223714990U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to coffee mechanical equipment technical field, concretely is a hot air circulation baking machine. BACKGROUND
[0002] The hot air circulation baking machine is a kind of high-efficiency cooking equipment, is widely used in food processing industry, especially in the occasion needing uniform heating and rapid drying.This equipment passes through hot air circulation system, ensures that food is heated evenly, to improve baking quality and efficiency.The baking machine of the past, hot air energy cannot be recycled, energy consumption is big, tail gas is not treated, directly discharges, hot air dust removal cylinder is not cleaned in time, often fires, and the security risk is big. CONTENT OF THE UTILITY MODEL
[0003] The utility model aims at providing a kind of hot air circulation baking machine to solve the problems in the above background technology.
[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of hot air circulation baking machine, including feeding machine, the bottom discharge port of feeding machine is connected with the feeding hopper of the baking machine upper setting by feeding pipeline, the top of feeding hopper is equipped with the suction pipeline that is connected with feeding fan, the discharge port of the baking machine is connected with cooling disc, the discharge port of cooling disc is connected with the stock bin of stone-removing machine by stone-removing machine feeding pipeline, the suction pipeline of the top of stock bin is connected with cooling air duct, one end of cooling air duct is connected with cooling fan, and the other end is connected with the bottom of cooling disc, the upper portion of cooling fan is connected with the upper portion of cooling dust removal cylinder by pipeline, the air inlet of hot air dust removal barrel is connected with the hot air tail gas pipeline of hot air fan by hot air pipeline on the hot air air port of the top of baking machine, the top of hot air dust removal barrel is equipped with tail gas outlet, tail gas outlet is connected with the waste gas inlet of one end top of combustion machine by tail gas pipeline, waste gas inlet is connected with the hearth of combustion machine, the other end of hearth is equipped with exhaust port, hearth is equipped with fire bucket in, the hot air tail gas pipeline of hot air fan is connected on the tail gas pipeline.
[0005] Preferably, first cooling valve group flap is equipped on the cooling air duct between the cooling air duct and stone-removing machine feeding pipeline, and second cooling valve group flap is equipped on the position of stone-removing machine feeding pipeline close to cooling air duct.
[0006] Preferably, first air distribution valve is equipped on the tail gas pipeline, and second air distribution valve and fresh air distribution valve are equipped on the hot air tail gas pipeline.
[0007] Preferably, the hearth is equipped with heat preservation layer.
[0008] Preferably, the hot air dust removal barrel comprises a support, the upper portion of the support is provided with a hot air dust removal cylinder, the upper portion of the hot air dust removal cylinder is provided with a feeding port, the feeding port is connected with a hot air motor through a pipeline, the outer side of the upper portion of the hot air dust removal cylinder is provided with a water spraying pipe, the lower portion of the support is provided with a discharging hopper, the lower portion of the discharging hopper is provided with an integrated barrel, the lower portion of the discharging hopper is provided with a anti-rotation material level switch, the lower portion of the anti-rotation material level switch is provided with a blowing air duct, a air closing device is arranged between the discharging hopper and the integrated barrel, and the upper portion of the hot air dust removal cylinder is provided with a silver skin discharging port on one side.
[0009] Preferably, the cooling disc comprises a machine body, the inside of the machine body is divided into two layers by a partition plate, the lower layer is provided with a speed reducer, the output shaft of the speed reducer is connected with a stirring shaft arranged in the upper layer, a connecting column is arranged on the stirring shaft, a plurality of groups of transverse rods are vertically arranged on the connecting column, a plurality of groups of cooling stirring arm pressure mechanisms and stirring paddle mechanisms are respectively arranged on adjacent two transverse rods, the lower layer is provided with a cooling air duct, the air outlet at one end of the cooling air duct corresponds to the lower layer, and the other end of the cooling air duct is connected with a cooling fan arranged outside the machine body.
[0010] Preferably, the cooling stirring arm pressure mechanism comprises a stirring fixed column arranged on the transverse rod, the upper end of the stirring fixed column is vertically connected with one end of a fixed adjusting pressure block, the other end of the fixed adjusting pressure block is connected with a fish eye bearing, a pressure fixing rod is vertically arranged on the fish eye bearing, the lower end of the pressure fixing rod is connected with an extension rod, the extension rod passes through a pressure sleeve and is fixed to a connecting piece at the lower end of the extension rod through a nut, a spring is arranged in the pressure sleeve, spring pressure pieces are arranged at the two ends of the spring, pressure adjusting screws for adjusting the tension of the spring are arranged on the spring pressure pieces, the lower end of the stirring fixed column is connected with a spring piece, the tail end of the spring piece is connected with a stirring paddle, a groove is arranged on the connecting piece, the spring piece reciprocates in the groove, the spring piece is arc-shaped, and the stirring paddle mechanism comprises a sleeve pipe arranged on the transverse rod, a fixed column is longitudinally arranged in the sleeve pipe, and the lower end of the fixed column is provided with a stirring paddle.
[0011] Preferably, the cooling stirring arm pressure mechanism and the stirring paddle mechanism are arranged alternately.
[0012] Preferably, the height of the stirring paddle is higher than that of the stirring paddle.
[0013] The hot air dust removal barrel is added, water spraying, temperature and material level sensors are arranged, the probability of fire is reduced, the silver skin and the like discharged by the baking machine can be cleaned in time, the fire is prevented, the tail gas is cleaned and discharged after being combusted by the combustion machine, and the pollution to the environment is reduced.
[0014] The hot air dust removal barrel is added, water spraying, temperature and material level sensors are arranged, the probability of fire is reduced, the silver skin and the like discharged by the baking machine can be cleaned in time, the fire is prevented, the tail gas is cleaned and discharged after being combusted by the combustion machine, and the pollution to the environment is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the whole structure schematic view of the utility model.
[0016] Figure 2 It is the structure plan view of the utility model.
[0017] Figure 3 It is the structure schematic view of the utility model combustion machine and hot air dust removal bucket connection.
[0018] Figure 4 It is the structure schematic view of the utility model combustion machine.
[0019] Figure 5 It is the structure schematic view of the utility model hot air dust removal bucket.
[0020] Figure 6 It is the structure side view of the utility model hot air dust removal bucket.
[0021] Figure 7 It is the structure schematic view of the utility model cooling stirring arm pressurizing mechanism.
[0022] Figure 8 It is the internal structure schematic view of the utility model cooling stirring arm pressurizing mechanism.
[0023] Figure 9 It is the local enlarged schematic view of the utility model cooling air pipe. Specific implementation
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.
[0025] Please refer to Figure 1The utility model provides a kind of hot air circulation baking machine, including feeder 1, the bottom discharge outlet of feeder 1 is connected with the upper feed bin 4 being provided with on baking machine 3 by feeding pipeline 2, the top of upper feed bin 4 is equipped with with the suction material pipeline 6 being communicated with upper feeding fan 5, the discharge outlet of baking machine 3 is communicated with cooling disc 7, the discharge outlet of cooling disc 7 is connected with the material bin 10 of stone removing machine 9 by stone removing machine feeding pipeline 8, the top of material bin 10 is equipped with suction air duct 11 and cooling air duct 12 are communicated, one end of cooling air duct 12 is connected with cooling fan 13, and its other end is communicated with the bottom of cooling disc 7, the upper portion of cooling fan 13 is connected with the upper portion of cooling dust removal cylinder 14 by pipeline, the hot air outlet of the top of baking machine 3 is connected with the air inlet 17 of hot air dust removal barrel 16 by hot air pipeline 15, the top of hot air dust removal barrel 16 is equipped with tail gas outlet 18, tail gas outlet 18 is connected with the top of one end of combustion machine 20 and is equipped with waste gas inlet 21 by tail gas pipeline 19, waste gas inlet 21 is communicated with the hearth 22 of combustion machine 20, the other end of hearth 22 is equipped with exhaust port 23, hearth 22 is equipped with fire bucket 24 in it, and the hot air tail gas pipeline 26 that is connected with hot air fan 25 is communicated on tail gas pipeline 19.
[0026] Further, first cooling valve group flap 27 is equipped on cooling air duct 12 between cooling air duct 12 and stone removing machine feeding pipeline 8, and second cooling valve group flap 28 is equipped on the position of stone removing machine feeding pipeline 8 close to cooling air duct 12;When baking machine 3 is baked, first cooling valve group flap 27 is opened, second cooling valve group flap 28 is closed, cooling fan 13 is opened, the discharge door of baking machine 3 is opened, material enters cooling disc 7, starts cooling, and cooling reaches discharge temperature, starts stone removing, at this time, first cooling valve group flap 27 is closed, second cooling valve group flap 28 is opened, cooling fan 13 starts, and material is sucked into the material bin 10 of stone removing machine 9, and material is separated from stone, metal and the like by different specific gravities.
[0027] Further, first air distribution valve 29 is equipped on tail gas pipeline 19, second air distribution valve 30 and fresh air distribution valve 31 are equipped on hot air tail gas pipeline 26;During baking, hot air passes through hot air dust removal barrel 16, separates silver skin and tail gas, and the opening size of first air distribution valve 29, second air distribution valve 30 and fresh air distribution valve 31 is adjusted according to the control of central control system, the air inlet of each pipeline is controlled, the first air distribution valve 29 is opened larger, the second air distribution valve 30 is opened smaller, and the fresh air distribution valve 31 is opened larger after baking, the first air distribution valve 29 is opened smaller, the second air distribution valve 30 is opened larger, and the fresh air distribution valve 31 is opened smaller before baking, the fresh air distribution valve 31 mainly distributes fresh air, guarantees the additional oxygen required for combustion, and guarantees the flavor of baking.
[0028] Further, the furnace 22 is provided with a heat preservation layer 32, so that the exhaust gas keeps a proper temperature and the heat does not flow away.
[0029] Further, the hot air dust removal barrel 16 is provided with a support 33, the upper part of the support 33 is provided with a hot air dust removal cylinder 34, the upper part of the hot air dust removal cylinder 34 is provided with a feeding port 35, the feeding port 35 is connected with a hot air motor 36 through a pipeline, the outer side of the upper part of the hot air dust removal cylinder 34 is provided with a water spraying pipe 37, the lower part of the support 33 is provided with a discharging hopper 38, the lower part of the discharging hopper 38 is provided with an integrated barrel 39, the lower part of the discharging hopper 38 is provided with a rotation blocking material level switch 40, the lower part of the rotation blocking material level switch 40 is provided with a blowing air duct 41, the discharging hopper 38 and the integrated barrel 39 are provided with a wind blocker 42, one side of the upper part of the hot air dust removal cylinder 34 is provided with a silver skin discharging port 43; first, the coffee beans enter through the feeding port 35, the hot air motor 36 is started to blow the silver skin in the coffee beans out, and the silver skin is discharged through the silver skin discharging port 43, when a relatively high temperature is sensed, the electromagnetic valve is started, the water pump pumps out the water in the water pipe to spray water into the hot air dust removal cylinder 34 to reduce the temperature, until the temperature is reduced to a safe temperature, the coffee beans further enter the discharging hopper 38 through the hot air dust removal cylinder 34, the lower part of the discharging hopper 38 is tapered and relatively narrow, when the silver skin reaches the position of the rotation blocking material level switch 40, the rotation blocking material level switch 40 is blocked and cannot rotate, the blowing air duct 41 starts to blow air to blow the material up, so that the material can be smoothly discharged, when the rotation blocking material level switch 40 still cannot rotate after being blown several times, the rotation blocking material level switch 40 still cannot work, and an alarm is given to manually handle through the maintenance opening, after the handling, the coffee beans fall into the integrated barrel 39 through the wind blocker 42.
[0030] Further, the cooling disc 7 comprises a machine body 44, the inside of the machine body 44 is divided into two layers by a partition plate 45, the lower layer is provided with a speed reducer motor 46, the output shaft of the speed reducer motor 46 is connected with a stirring shaft 47 arranged in the upper layer, a connecting column 48 is arranged on the stirring shaft 47, a plurality of groups of transverse rods 49 are arranged on the connecting column 48 vertically, a plurality of groups of cooling stirring arm pressing mechanisms and stirring paddle mechanisms are arranged on two adjacent transverse rods 49 respectively, the lower layer is provided with a cooling air duct 12, the air outlet of one end of the cooling air duct 12 corresponds to the lower layer, the other end of the cooling air duct 12 is connected with a cooling fan 13 arranged outside the machine body 44; in order to accelerate the cooling speed of the material, the cooling stirring arm pressing mechanisms and the stirring paddle mechanisms rotate under the drive of the speed reducer motor 46 to stir the material up and down, so that the material is uniformly cooled and heated, and the taste is ensured.
[0031] Further, the cooling stirring arm pressurizing mechanism comprises a stirring fixing column 50 vertically installed on the crossbar 49, the upper end of the stirring fixing column 50 is vertically connected with one end of a fixing and adjusting pressure block 51, the other end of the fixing and adjusting pressure block 51 is connected with a fish eye bearing 52, the fish eye bearing 52 is vertically installed with a pressurizing fixing rod 53, the lower end of the pressurizing fixing rod 53 is connected with an extension rod 54, the extension rod 54 passes through a pressurizing sleeve 55 and is fixed with a connecting piece 57 at the lower end of the extension rod 54 through a nut 56, the extension rod 54 inside the pressurizing sleeve 55 is sleeved with a spring 58, both ends of the spring 58 are provided with spring pressurizing pieces 59, the spring pressurizing pieces 59 are installed with a pressure adjusting screw 60 for adjusting the tension of the spring, the lower end of the stirring fixing column 50 is connected with a spring piece 61, the end of the spring piece 61 is connected with a stirring piece 62, the connecting piece 57 is provided with a groove 66, the spring piece 61 reciprocates in the groove 66, the spring piece 61 is arc-shaped, the stirring piece mechanism comprises a sleeve 63 installed on the crossbar 49, the sleeve 63 is longitudinally installed with a fixing column 64, the lower end of the fixing column 64 is provided with the stirring piece 65.
[0032] Further, the cooling stirring arm pressurizing mechanism and the stirring piece mechanism are alternately arranged.
[0033] Further, the height of the stirring piece 65 is higher than the height of the stirring piece 62, so that the material can be stirred up and down.
[0034] Working principle: first, the roaster 3 ignition, the machine starts to heat, the machine temperature to the temperature of the feeder, during which can be fed, the feeder fan 5 starts, the feeder hopper 4 is absorbed into negative pressure, the green beans in the feeder 1 are absorbed into the feeder hopper 4 through the suction pipe 6, the feeder valve is opened, enters the drum of the roaster 3, starts to roast, after roasting, the first cooling valve group flap 27 opens, the second cooling valve group flap 28 closes, the cooling fan 13 opens, the discharge door of the roaster 3 opens, the material enters the cooling disc 7, starts to cool, cools to the discharge temperature, starts to remove stone, at this time, the first cooling valve group flap 27 closes, the second cooling valve group flap 28 opens, the cooling fan 13 starts, the material is absorbed into the stock bin 10 of the stone removing machine 9, through the different specific gravity, the material is separated from the stone, metal and other, the silver skin and the scrap produced in the process of removing stone are absorbed into the stock bin of the cooling and dust removal cylinder 14 for recycling, during the roasting process, the hot air passes through the hot air dust removal barrel 16, separates the silver skin and the tail gas, the hot air tail gas produced is controlled according to the central control system, adjusts the opening size of the first air distribution valve 29, the second air distribution valve 30 and the fresh air distribution valve 31, controls the air inlet quantity of each pipeline, the first air distribution valve 29 opens larger, the second air distribution valve 30 opens smaller, the fresh air distribution valve 31 opens larger, the first air distribution valve 29 opens smaller, the second air distribution valve 30 opens larger, the fresh air distribution valve 31 opens smaller, the fresh air distribution valve 31 mainly distributes fresh air, ensures the additional oxygen required for combustion, ensures the flavor of roasting, the tail gas produced by the hot air dust removal barrel 16 is connected with the waste gas inlet 21 arranged at the top of one end of the combustion machine 20 through the tail gas pipeline 19 and the tail gas outlet 18, the waste gas inlet 21 is connected with the hearth 22 of the combustion machine 20, and the tail gas is recycled and reused, so as to reduce the power of the roaster 3 and save energy consumption. The remaining tail gas is burned off to reach the standard emission and does not pollute the environment.
[0035] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.
Claims
1. A hot air circulating baking machine, comprising a feeding machine (1), the bottom discharge port of the feeding machine (1) is connected with a feeding hopper (4) arranged on a baking machine (3) through a feeding pipeline (2), characterized in that: The top of the upper hopper (4) is provided with a suction pipe (6) communicated with the upper feeding fan (5), the discharge port of the roaster (3) is communicated with the cooling disc (7), the discharge port of the cooling disc (7) is communicated with the stock bin (10) of the stone removing machine (9) through a stone removing machine feeding pipe (8), the suction pipe (11) arranged at the top of the stock bin (10) is communicated with the cooling air duct (12), one end of the cooling air duct (12) is connected with the cooling fan (13), and the other end is communicated with the bottom of the cooling disc (7); the upper part of the cooling fan (13) is connected with the upper part of the cooling dust removal cylinder (14) through a pipe, the hot air outlet at the top of the roaster (3) is connected with the air inlet (17) of the hot air dust removal barrel (16) through a hot air pipe (15), the top of the hot air dust removal barrel (16) is provided with a tail gas outlet (18), the tail gas outlet (18) is connected with the waste gas inlet (21) arranged at one end of the top of the combustion machine (20) through a tail gas pipe (19), the waste gas inlet (21) is communicated with the hearth (22) of the combustion machine (20), the other end of the hearth (22) is provided with an exhaust port (23), the hearth (22) is provided with a fireproof barrel (24), and the tail gas pipe (19) is communicated with the hot air tail gas pipe (26) connected with the hot air fan (25).
2. A hot air impingement baking machine according to claim 1, characterized in that: The first cooling valve group flap (27) is arranged on the cooling air duct (12) between the cooling air duct (12) and the stone removing machine feeding pipe (8), and the second cooling valve group flap (28) is arranged on the stone removing machine feeding pipe (8) close to the cooling air duct (12).
3. The hot air impingement baking machine of claim 1, wherein: The first air distribution valve (29) is arranged on the tail gas pipe (19), the second air distribution valve (30) and the fresh air distribution valve (31) are arranged on the hot air tail gas pipe (26).
4. The hot air impingement oven of claim 1, wherein: The hearth (22) is provided with a heat preservation layer (32).
5. The hot air impingement baking machine of claim 1, wherein: The hot air dust removal barrel (16) comprises a support (33), the upper part of the support (33) is provided with a hot air dust removal cylinder (34), the upper part of the hot air dust removal cylinder (34) is provided with an inlet (35), the inlet (35) is connected with a hot air motor (36) through a pipe, the outer side of the upper part of the hot air dust removal cylinder (34) is provided with a water spraying pipe (37), the lower part of the support (33) is provided with an outlet hopper (38), the lower part of the outlet hopper (38) is provided with an integrated barrel (39), the lower part of the outlet hopper (38) is provided with a rotation blocking material level switch (40), the lower part of the rotation blocking material level switch (40) is provided with a blowing air duct (41), a wind blocking device (42) is arranged between the outlet hopper (38) and the integrated barrel (39), and the upper part of one side of the hot air dust removal cylinder (34) is provided with a silver skin discharge port (43).
6. The hot air impingement oven of claim 1, wherein: The cooling disc (7) comprises a body (44), the inside of the body (44) is divided into two layers by a partition (45), the lower layer is provided with a speed reducer (46), the output shaft of the speed reducer (46) is connected with a stirring shaft (47) arranged in the upper layer, the stirring shaft (47) is provided with a connecting column (48), a plurality of groups of transverse rods (49) are vertically arranged on the connecting column (48), a plurality of groups of cooling stirring arm pressing mechanisms and stirring paddle mechanisms are arranged on two adjacent transverse rods (49) respectively, the lower layer is provided with a cooling air duct (12), the air outlet at one end of the cooling air duct (12) corresponds to the lower layer, the other end of the cooling air duct (12) is connected with a cooling fan (13) arranged outside the body (44).
7. A hot air impingement baking machine according to claim 6, characterized in that: The cooling stirring arm pressing mechanism comprises a stirring fixed column (50) arranged on the transverse rod (49), the upper end of the stirring fixed column (50) is connected with one end of a fixed adjusting pressing block (51) vertically, the other end of the fixed adjusting pressing block (51) is connected with a fish eye bearing (52), a pressing fixed rod (53) is vertically arranged on the fish eye bearing (52), the lower end of the pressing fixed rod (53) is connected with an extension rod (54), the extension rod (54) passes through a pressing sleeve (55) and is fixed with a connecting piece (57) at the lower end of the extension rod (54) through a nut (56), the extension rod (54) in the pressing sleeve (55) is sleeved with a spring (58), the two ends of the spring (58) are provided with spring pressing pieces (59), the spring pressing pieces (59) are arranged with pressure adjusting screws (60) for adjusting the tension of the spring, the lower end of the stirring fixed column (50) is connected with a spring piece (61), the end of the spring piece (61) is connected with a stirring paddle (62), the connecting piece (57) is provided with a groove (66), the spring piece (61) reciprocates in the groove (66), the spring piece (61) is arc-shaped, the stirring paddle mechanism comprises a sleeve (63) arranged on the transverse rod (49), the sleeve (63) is longitudinally arranged with a fixed column (64), the lower end of the fixed column (64) is provided with a stirring paddle (65).
8. A hot air impingement oven as claimed in claim 6, characterized in that: The cooling stirring arm pressing mechanism and the stirring paddle mechanism are arranged alternately.
9. A hot air impingement oven as claimed in claim 7, characterized in that: The height of the stirring paddle (65) is higher than the height of the stirring paddle (62).