CN209101705U - A kind of heated-air circulation oven with rotary furnace drying effect - Google Patents

Abstract

The utility model relates to drying materials fields, and disclose a kind of heated-air circulation oven with rotary furnace drying effect, this kind of oven interior is equipped with rotary material and stores component, and chemical raw material is dried in the process of moving.Its structure of its structure includes oven main body, and the oven main body is whole in a rectangular parallelepiped shape, and oven main body upper end is equipped with recyclable device, and the recyclable device includes evacuation port, and the evacuation port is in cylindrical tube shape；Evacuation port is located at the upper surface of oven main body, and is connected inside oven main body, and evacuation port upper end is sequentially connected suction ventilator, condenser, recycling receiver by evacuated tube；Oven main body lower end quadrangle connects pedestal by strut respectively, and base end face quadrangle passes through supporting leg equipped with idler wheel respectively, and branch inboard leg is equipped with limit assembly；It is equipped with material inside the oven main body and stores component.It is easy to operate, easy to use, is suitable for a variety of places.

Description

A kind of heated-air circulation oven with rotary furnace drying effect

Technical field

The utility model relates to drying materials field, specially a kind of heated-air circulation oven with rotary furnace drying effect.

Background technique

With the continuous improvement of technique constantly brought forth new ideas with equipment, heated-air circulation oven can be widely applied to medicine, The industries material such as chemical industry, food, agricultural and sideline product, aquatic products, light industry is heating and curing.Heated-air circulation oven air circulation system is adopted Air supply mode is recycled with blower, wind cycle balance is efficient.

The enterprises such as chemical industry are frequently necessary to dry chemical products with heated-air circulation oven, due to not having recyclable device, chemical products It is directly emptied, not only wasted but also pollutes environment.The Chinese patent of Patent No. 201220269727.6 discloses a kind of hot wind and follows There is evacuation port on ring baking oven, including oven body, oven body, evacuation port is successively connected with suction ventilator, condenser, recycling by pipe respectively Receiver.

The baking oven of above structure can recycle the product emptied in baking oven well, not only save but also protect environment.But In actual use, appoint and so find that it has shortcoming: in use, industrial chemicals is the pallet for being directly deposited in oven interior On, pallet is stationary state, and the inside and outside heating degree of raw material is different when drying, so that industrial chemicals drying is uneven It is even, it is unfavorable for improving drying efficiency.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of hot air circulation baking with rotary furnace drying effect Case, this kind of oven interior is equipped with rotary material and stores component, and material storage component external passes through connection driving assembly, Chemical raw material is dried in the process of moving, previous chemical raw material accumulation is effectively solved and dries non-uniform ask Topic.

(2) technical solution

To achieve the above object, the utility model provides the following technical solutions:

A kind of heated-air circulation oven with rotary furnace drying effect, its structure of structure includes oven main body, the baking Box main body is whole in a rectangular parallelepiped shape, and oven main body upper end is equipped with recyclable device, and the recyclable device includes evacuation port, described Evacuation port be in cylindrical tube shape；Evacuation port is located at the upper surface of oven main body, and is connected inside oven main body, and on evacuation port End is sequentially connected suction ventilator, condenser, recycling receiver by evacuated tube；It is characterized in that being: oven main body lower end quadrangle Pedestal is connected by strut respectively, and base end face quadrangle passes through supporting leg equipped with idler wheel respectively, branch inboard leg is equipped with limit group Part；

It is equipped with material inside the oven main body and stores component, the material storage component includes vertically arranged hollow The shell of ellipse, the enclosure interior are circumferentially with a circle pallet along shell inner surface in vertical plane；Shell side Wall is equipped with several circular through holes, and shell side is equipped with feed inlet, is equipped with side cover on the outside of feed inlet；Housing outer surface or so two Side middle position, which is welded, is equipped with the first fixed block, and the first fixed block lateral surface is welded and fixed with strut inner end respectively, strut Outer end is respectively embedded into the vertical strip groove on the inside of the second fixed block, and strut and strip groove slide up and down cooperation；Institute The outer peripheral surface in shell vertical plane stated is fixed with a circle gear teeth, and the gear teeth are matched with the driving assembly on the downside of shell；Institute The driving assembly stated includes the gear being meshed below shell with the gear teeth, and the gear centre has laterally placed shaft, Gear is respectively arranged on the left side and the right side hold-down support, and both ends of the shaft portion is hinged with hold-down support upper end respectively, the right part of shaft It is pierced by hold-down support and is connected by shaft coupling with the motor shaft of motor reducer；The motor reducer is set to baking oven master External side, bottom are connected by bolt with the first fixing seat, and the first fixing seat is fixedly welded on oven main body side；

Oven main body side on the upside of the motor reducer is equipped with the first blower, and the first blower passes through the first connecting tube It protrudes into inside oven main body and is connected in end with the first blast pipe, several first drums are equipped on the left of first blast pipe Air port；Lower end is equipped with the second blower on the left of oven main body, the second blower by the second connecting tube protrude into oven main body it is interior and End connects the second blast pipe, is equipped with the second blast orifice on the right side of the second blast pipe；Oven main body on the downside of first blower Side is fixed with distribution box, and distribution box passes through the first connection line, the second connection line and third connection line and electricity respectively Machine speed reducer, the first blower and the second blower are electrically connected, distribution box be equipped with respectively with motor reducer, the first blower and the The control switch of two blowers cooperation；

The oven main body of the upside of second blower is equipped with temperature-detecting device, the temperature sense of temperature-detecting device It answers device to protrude into inside oven main body, humidity detector is equipped on the upside of temperature-detecting device, humidity sensor protrudes into oven main body It is internal.

Preferably, the limit assembly includes the fagging for being welded in supporting leg side, is passed through from top to bottom on the fagging It wears and has screwed screw rod, the stud base is bonded with rubber block, and the rubber block is integrally in flat cylinder.

Preferably, first blast pipe and the second blast pipe distinguish circular hollow cavity, hollow cavity inner sidewall Upper to be embedded with the first blast orifice and the second blast orifice, and first blast pipe inclined downward to the left, the second blast pipe is to upper right Side's inclination.

Preferably, the side cover is connected with the shell by articulated shaft, and side cover is with respect to one end inner surface of articulated shaft The magnetic patch of mutually absorption cooperation is equipped with housing outer surface.

Preferably, the first blower bottom is connected by bolt with the second fixing seat, and the welding of the second fixing seat is solid Due to oven main body side.

Preferably, the second blower bottom is connected by bolt with third fixing seat, and the welding of third fixing seat is solid Due to oven main body side.

Preferably, bearing is equipped between the motor shaft and oven main body side wall.

(3) beneficial effect

Compared with prior art, the utility model provides a kind of heated-air circulation oven with rotary furnace drying effect, tool It is standby following the utility model has the advantages that

1, since oven main body lower end quadrangle connects pedestal by strut respectively, and base end face quadrangle passes through branch respectively Leg is equipped with idler wheel, and branch inboard leg is equipped with limit assembly.Therefore, in use, the strut of oven main body lower end plays support work With oven main body connects pedestal by strut, and pedestal plays the role of static housing and buffering.Idler wheel oven main body easy to remove Position, effective mitigation labour, and the limit assembly on the inside of idler wheel can prevent oven main body mobile, reach the effect of fixed position Fruit, conducive to the stability of baking oven work.

2, since the motor reducer is set on the outside of oven main body, bottom is connected by bolt with the first fixing seat It connects, the first fixing seat is fixedly welded on oven main body side.Therefore, in use, motor reducer band moving gear rotate, gear with Shell gear teeth meshing, to drive shell in vertical rotation in surface, internal pallet is for storing material, housing outer surface Circular through hole be conducive to being blown into for hot wind below, then make material along tray both slid while housing into rotation, so that material It is dried during dynamic, avoiding previous material stacking leads to the non-uniform problem of drying materials.Strut is in two sides Play the role of support, prevent shell from skewing, and strut both ends can slide up and down in strip groove, has up and down Space, moved up and down conducive to center when housing into rotation, guarantee the stability of whole device operation.Side cover facilitates the upper of material Material and discharging.

3, since the oven main body side on the downside of first blower is fixed with distribution box, distribution box passes through respectively One connection line, the second connection line and third connection line and motor reducer, the first blower and the second blower are electrically connected, Distribution box is equipped with the control switch with the cooperation of motor reducer, the first blower and the second blower respectively.Therefore, in use, One blower and the second blower can dry to shell from the baking oven lower left corner and the upper right corner respectively respectively, enhance airflow effects, shell Rotation is conducive to play the role of thermally equivalent, while being conducive to the uniform drying of materials inside.Distribution box is connected with external electrical network, The effect of power supply can be played to the first blower, the second blower and motor reducer.

4, since the oven main body of the upside of second blower is equipped with temperature-detecting device, temperature-detecting device Temperature inductor protrudes into inside oven main body, and humidity detector is equipped on the upside of temperature-detecting device, and humidity sensor protrudes into baking Inside box main body.Therefore, it in use, temperature-detecting device probes into drying box house by temperature inductor, is dried convenient for observation The real time temperature situation of dry box house, humidity detector probe into drying box house by humidity sensor, convenient for observation The real time temperature situation for drying box house, achievees the effect that easy to use.

Detailed description of the invention

Fig. 1 is the main view the schematic diagram of the section structure of the utility model；

Fig. 2 is the side elevational cross-section structural schematic diagram of the utility model；

Fig. 3 is the schematic diagram of the section structure in Fig. 1 at A-A；

Fig. 4 is enlarged structure schematic diagram at A in Fig. 1；

Fig. 5 is enlarged structure schematic diagram at B in Fig. 1；

Fig. 6 is enlarged structure schematic diagram at C in Fig. 2；

Fig. 7 is the left view structural representation of the first blast pipe.

It is indicated in figure:

1. oven main body；11. strut；12. pedestal；13. supporting leg；131. idler wheel；14. limit assembly；141. fagging；142. Bolt；143. rubber block；

2. material stores component；21. shell；211. through-hole；22. pallet；23. the gear teeth；24. the first fixed block；25. side Lid；251. articulated shaft；252. magnetic patch；26. strut；27. the second fixed block；271. strip groove；

3. driving assembly；31. gear；311. shaft；32. hold-down support；33. shaft coupling；34. motor shaft；35. bearing； 36. motor reducer；361. first fixing seats；37. the first connection line；

4. the first blower；40. the second fixing seat；41. the first connecting tube；42. the first blast pipe；43. the first blast orifice； 44. the second connection line；

5. the second blower；50. third fixing seat；51. the second connecting tube；52. the second blast pipe；53. the second blast orifice； 54. third connection line；

6. temperature-detecting device；61. temperature inductor；

7. humidity detector；71. humidity sensor；

8. distribution box；81. control switch；

9. recyclable device；91. evacuation port；92. evacuated tube；93. suction ventilator；94. condenser；95. recycling receiver.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

As shown in Figures 1 to 7, a kind of heated-air circulation oven with rotary furnace drying effect.This kind is made with rotary furnace drying Heated-air circulation oven, structure include oven main body 1(stainless steel), the oven main body 1 is whole in a rectangular parallelepiped shape, dries 1 upper end of box main body is equipped with recyclable device 9, and the recyclable device 9 includes evacuation port 91(stainless steel), the evacuation port 91 In cylindrical tube shape.Evacuation port 91 is located at the upper surface of oven main body 1, and is connected inside oven main body 1, and 91 upper end of evacuation port Pass through evacuated tube 92(stainless steel) it is sequentially connected suction ventilator 93, condenser 94, recycling receiver 95.It is characterized in that being: baking oven 1 lower end quadrangle of main body passes through strut 11(stainless steel respectively) connection pedestal 12(stainless steel), and 12 bottom surface quadrangle of pedestal is distinguished Pass through supporting leg 13(stainless steel) it is equipped with idler wheel 131, limit assembly 14(stainless steel is equipped on the inside of supporting leg 13).In use, baking oven The strut 11 of 1 lower end of main body is played a supporting role, and oven main body 1 connects pedestal 12 by strut 11, and pedestal 12 plays fixation The effect of cabinet and buffering.The position of the oven main body 1 easy to remove of idler wheel 131, effectively mitigation labour, and 131 inside of idler wheel Limit assembly 14 oven main body 1 can be prevented mobile, achieve the effect that fixed position, conducive to the stability of baking oven work.

In above-described embodiment, specifically, being equipped with material inside the oven main body 1 stores component 2, the material storage Put the shell 21(stainless steel of component 2 including vertically arranged hollow elliptical), inside the shell 21 in vertical plane A circle pallet 22(stainless steel is circumferentially with along 21 inner surface of shell).21 side wall of shell is equipped with several circular through holes 211, and shell 21 side of body is equipped with feed inlet, is equipped with side cover 25(stainless steel on the outside of feed inlet).Middle position at left and right sides of 21 outer surface of shell Welding be equipped with the first fixed block 24(stainless steel), 24 lateral surface of the first fixed block respectively with strut 26(stainless steel) inner end weld Connect fixation, 26 outer end of strut is respectively embedded into the second fixed block 27(stainless steel) on the inside of vertical strip groove 271 in, strut 26 slide up and down cooperation with strip groove 271.Outer peripheral surface in 21 vertical plane of shell is fixed with a circle gear teeth 23 (stainless steel), the gear teeth 23 are matched with the driving assembly 3 of 21 downside of shell.The driving assembly 3 includes being set under shell 21 The gear 31(stainless steel that side is meshed with the gear teeth 23), 31 central cross of gear has placed shaft 311(stainless steel), tooth Wheel 31 is respectively arranged on the left side and the right side hold-down support 32(stainless steel), 311 both ends of shaft are cut with scissors with 32 upper end of hold-down support respectively It connects, the right part of shaft 311 is pierced by hold-down support 32 and is connected by shaft coupling 33 with the motor shaft 34 of motor reducer 36. The motor reducer 36 is set to 1 outside of oven main body, and bottom passes through bolt 142 and the first fixing seat 361(stainless steel) phase Connection, the first fixing seat 361 are fixedly welded on 1 side of oven main body.In use, motor reducer 36 is rotated with moving gear 31, Gear 31 is engaged with 21 gear teeth 23 of shell, to drive shell 21 in vertical rotation in surface, internal pallet 22 is for storing up Put material, the circular through hole 211 of 21 outer surface of shell is conducive to being blown into for hot wind below, then makes while shell 21 rotates Material is slided along pallet 22, so that material is dried during dynamic, avoiding previous material stacking causes material to dry Do non-uniform problem.Strut 26 plays the role of support in two sides, prevents shell 21 from skewing, and 26 both ends of strut can be It is slided up and down in strip groove 271, there is up and down space, moved up and down, guarantee conducive to center when the rotation of shell 21 The stability of whole device operation.Side cover 25 facilitates feeding and the discharging of material.

In above-described embodiment, specifically, 1 side of oven main body of 36 upside of motor reducer is equipped with the first blower 4, the first blower 4 passes through the first connecting tube 41(stainless steel) protrude into the inside of oven main body 1 and end and the first blast pipe 42(not Rust steel) it is connected, several first blast orifices 43 are equipped on the left of first blast pipe 42.1 left side lower end of oven main body is set Have the second blower 5, the second blower 5 passes through the second connecting tube 51(stainless steel) it protrudes into oven main body 1 and connects second in end Blast pipe 52(stainless steel), the second blast orifice 54 is equipped on the right side of the second blast pipe 52.The baking oven master of first blower, 4 downside 1 side of body is fixed with distribution box 8(stainless steel), distribution box 8 passes through the first connection line 37,44 and of the second connection line respectively Third connection line 54 and motor reducer 36, the first blower 4 and the second blower 5 are electrically connected, distribution box 8 be equipped with respectively with The control switch 81 of motor reducer 36, the first blower 4 and the cooperation of the second blower 5.In use, the first blower 4 and the second blower 5 It can dry respectively to shell 21 from the baking oven lower left corner and the upper right corner respectively, enhance airflow effects, the rotation of shell 21 is conducive to play The effect of thermally equivalent, while being conducive to the uniform drying of materials inside.Distribution box 8 is connected with external electrical network, can be to first Blower 4, the second blower 5 and motor reducer 36 play the effect of power supply.

In above-described embodiment, specifically, the oven main body 1 of the upside of second blower 5 is filled equipped with temperature detection Set 6(well-known technique), the temperature inductor 61 of temperature-detecting device 6 protrudes into inside oven main body 1,6 upside of temperature-detecting device Equipped with humidity detector 7(well-known technique), humidity sensor 71 protrudes into inside oven main body 1.In use, temperature-detecting device 6 probe into drying box house by temperature inductor 61, convenient for the real time temperature situation of observation drying box house, Humidity Detection Device 7 probes into drying box house by humidity sensor 71, convenient for the real time temperature situation of observation drying box house, reaches Effect easy to use.

In above-described embodiment, more specifically, the limit assembly 14 includes the fagging 141 for being welded in 13 side of supporting leg (stainless steel), from top to bottom through having screwed bolt 142(stainless steel on the fagging 141), 142 bottom of bolt is viscous It is connected to rubber block 143, the whole rubber block 143 is in flat cylinder.In use, by screwing bolt downwards, so that Rubber block resists ground, so as to play position-limiting action to device.

In above-described embodiment, more specifically, first blast pipe 42 and the second blast pipe 52 are distinguished in circular Cavity body, is embedded with the first blast orifice 43 and the second blast orifice 53 on hollow cavity inner sidewall, and first blast pipe 42 to Lower left inclination, the second blast pipe 52 inclined upward to the right.In use, the first blower 4 to the left lower section angle blowing, the second wind Machine 5 blows to shell by the angle of inclined upward to the right, achievees the effect that hot air circulation.

In above-described embodiment, more specifically, the side cover 25 passes through articulated shaft 251(stainless steel) it is connected with shell 21 It connects, and side cover 25 is equipped with the magnetic patch 252 of mutually absorption cooperation with respect to one end inner surface of articulated shaft 251 and 21 outer surface of shell. In use, facilitate feeding and the discharging of material by side cover 25, and magnetic patch 252 is conducive to side cover 25 and the absorption of shell 21 is fixed, Prevent side cover 25 from opening voluntarily.

In above-described embodiment, more specifically, 4 bottom of the first blower passes through bolt 142 and the second fixing seat 50 (stainless steel) is connected, and the second fixing seat 50 is fixedly welded on 1 side of oven main body.Conducive to the stability of the first blower 4 work.

In above-described embodiment, more specifically, 5 bottom of the second blower passes through bolt 142 and third fixing seat 50 It is connected, third fixing seat 50 is fixedly welded on 1 side of oven main body.Conducive to the stability of the second blower 5 work.

In above-described embodiment, more specifically, bearing 35 is equipped between 1 side wall of the motor shaft 34 and oven main body (stainless steel).In use, bearing 35 facilitates the rotation of motor shaft 34, avoid directly with 1 sidewall friction of oven main body.

Working principle: resisting ground by rubber block 143 by screwing bolt 142 downwards first, limit to device, Then the power supply line for connecting distribution box 8, opens distribution box 8, is that motor reducer 36 provides electric energy by the first connection line 37, It is respectively the first blower 4 and the second blower 5 offer electric energy, driving assembly by the second connection line 44 and third connection line 54 3 by 31 engagement rotation shell 21 of gear, and to follow shell 21 to slide up and down recessed with the 27 inside bar shaped of the second fixed block for strut 26 Slot 271 is slidably matched, and the first blower 4 and the second blower 5 are to being passed through hot wind, temperature-detecting device 6 and humidity inside oven main body 1 Detection device 7 is closed distribution box 8 later, is cut simultaneously convenient for the temperature and humidity situation of change inside observation oven main body 1, use Power-off source, operation terminate.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (7)

1. a kind of heated-air circulation oven with rotary furnace drying effect, structure includes oven main body (1), the oven main body (1) whole oven main body (1) upper end is equipped with recyclable device (9) in a rectangular parallelepiped shape, and the recyclable device (9) includes emptying Mouth (91), the evacuation port (91) are in cylindrical tube shape；Evacuation port (91) is located at the upper surface of oven main body (1), with baking oven master Is connected inside body (1), and evacuation port (91) upper end by evacuated tube (92) be sequentially connected suction ventilator (93), condenser (94), It recycles receiver (95)；It is characterized in that being: oven main body (1) lower end quadrangle passes through strut (11) connection pedestal respectively (12), and pedestal (12) bottom surface quadrangle passes through supporting leg (13) equipped with idler wheel (131) respectively, and supporting leg (13) inside is equipped with limit group Part (14)；

Material storage component (2) is equipped with inside the oven main body (1), material storage component (2) includes vertically setting The shell (21) of hollow elliptical is set, is circumferentially set in vertical plane along shell (21) inner surface inside the shell (21) There is a circle pallet (22)；Shell (21) side wall is equipped with several circular through holes (211), and shell (21) side is equipped with feed inlet, Side cover (25) are equipped on the outside of feed inlet；Middle position, which is welded, at left and right sides of shell (21) outer surface is equipped with the first fixed block (24), the first fixed block (24) lateral surface is welded and fixed with strut (26) inner end respectively, and strut (26) outer end is respectively embedded into In vertical strip groove (271) on the inside of second fixed block (27), strut (26) is slided up and down with strip groove (271) matches It closes；Outer peripheral surface in described shell (21) vertical plane is fixed with a circle gear teeth (23), under the gear teeth (23) and shell (21) The driving assembly (3) of side matches；The driving assembly (3) includes being set to below shell (21) to be meshed with the gear teeth (23) Gear (31), the gear (31) central cross have placed shaft (311), and gear (31) is respectively arranged on the left side and the right side fixed branch Seat (32), shaft (311) both ends are hinged with hold-down support (32) upper end respectively, and the right part of shaft (311) is pierced by fixation Support (32) is simultaneously connected by shaft coupling (33) with the motor shaft (34) of motor reducer (36)；The motor reducer (36) it is set on the outside of oven main body (1), bottom is connected by bolt (142) with the first fixing seat (361), the first fixing seat (361) it is fixedly welded on oven main body (1) side；

Oven main body (1) side on the upside of the motor reducer (36) is equipped with the first blower (4), and the first blower (4) passes through First connecting tube (41) protrudes into oven main body (1) inside and is connected in end with the first blast pipe (42), first drum Several first blast orifices (43) are equipped on the left of air hose (42)；Lower end is equipped with the second blower (5) on the left of oven main body (1), and second Blower (5) is protruded into oven main body (1) by the second connecting tube (51) and connects the second blast pipe (52) in end, the second air blast It manages and is equipped with the second blast orifice (53) on the right side of (52)；Oven main body (1) side on the downside of first blower (4), which is fixed with, matches Electronic box (8), distribution box (8) pass through the first connection line (37), the second connection line (44) and third connection line (54) respectively It is electrically connected with motor reducer (36), the first blower (4) and the second blower (5), distribution box (8) is equipped with to be subtracted with motor respectively The control switch (81) that fast machine (36), the first blower (4) and the second blower (5) cooperate；

The oven main body (1) of the upside of second blower (5) is equipped with temperature-detecting device (6), temperature-detecting device (6) Temperature inductor (61) to protrude into oven main body (1) internal, be equipped with humidity detector (7) on the upside of temperature-detecting device (6), it is wet It is internal that degree inductor (71) protrudes into oven main body (1).

2. a kind of heated-air circulation oven with rotary furnace drying effect according to claim 1, it is characterised in that: described Limit assembly (14) includes the fagging (141) for being welded in supporting leg (13) side, runs through rotation from top to bottom on the fagging (141) It is screwed with bolt (142), the bolt (142) bottom is bonded with rubber block (143), and the rubber block (143) is integrally in flat Flat cylinder.

3. a kind of heated-air circulation oven with rotary furnace drying effect according to claim 1, it is characterised in that: described First blast pipe (42) and the second blast pipe (52) distinguish circular hollow cavity, are embedded with the first air blast on hollow cavity inner sidewall Mouthful (43) and the second blast orifice (53), and first blast pipe (42) inclined downward to the left, the second blast pipe (52) is to the right Inclined upward.

4. a kind of heated-air circulation oven with rotary furnace drying effect according to claim 1, it is characterised in that: described Side cover (25) is connected by articulated shaft (251) with shell (21), and side cover (25) is with respect to one end inner surface of articulated shaft (251) The magnetic patch (252) of mutually absorption cooperation is equipped with shell (21) outer surface.

5. a kind of heated-air circulation oven with rotary furnace drying effect according to claim 1, it is characterised in that: described First blower (4) bottom is connected by bolt (142) with the second fixing seat (40), and the second fixing seat (40) is fixedly welded on baking Box main body (1) side.

6. a kind of heated-air circulation oven with rotary furnace drying effect according to claim 1, it is characterised in that: described Second blower (5) bottom is connected by bolt (142) with third fixing seat (50), and third fixing seat (50) is fixedly welded on baking Box main body (1) side.

7. a kind of heated-air circulation oven with rotary furnace drying effect according to claim 1, it is characterised in that: described Bearing (35) are equipped between motor shaft (34) and oven main body (1) side wall.