CN210374463U

CN210374463U - Tunnel type oven

Info

Publication number: CN210374463U
Application number: CN201921466905.2U
Authority: CN
Inventors: 王永辉; 邹欢; 刘朝晖
Original assignee: Hengxiutang Pharmaceutical Co Ltd
Current assignee: Hengxiutang Pharmaceutical Co Ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-04-21
Anticipated expiration: 2029-09-05

Abstract

The utility model provides a tunnel type oven, including oven, hot-blast furnace, control system and conveyor, the oven front end is provided with the pan feeding mouth, conveyor passes through the support setting in the oven, conveyor passes in the entering oven behind the pan feeding mouth, the oven rear end is provided with the first discharge gate corresponding with conveyor, be provided with air intake and air exit on the oven, the air intake is connected with the hot-blast furnace, still be provided with the exhaust fan on the air exit, still be provided with humidity transducer in the oven, humidity transducer and hot-blast furnace are connected with the control system electricity respectively, through the air supply volume of the humidity adjustment hot-blast furnace that detects the interior medicine position of oven. Can realize that developments are continuous carries out the drying to traditional chinese medicine sliced medicinal herbs through conveyor, set up that air exit and exhaust device can be rapid simultaneously and discharge steam and moisture, set up the humidity transducer and adjust the input of steam according to the humidity condition in the oven in real time.

Description

Tunnel type oven

Technical Field

The utility model relates to a medicinal material processing equipment, concretely relates to tunnel type oven.

Background

The traditional Chinese medicine decoction pieces are pursued and appreciated by people in a simple and convenient taking mode, and the processing technology requirement of the traditional Chinese medicine decoction pieces is higher and higher, thereby providing a challenge for production equipment. At present, stacking drying is mostly adopted for drying traditional Chinese medicine decoction pieces, and generally tunnel type drying ovens are adopted for drying stacking drying, which is specifically characterized in that the traditional Chinese medicine decoction pieces are uniformly laid on a pore plate with fine pores in the middle of a box body, then dry hot air is introduced into the bottom of the box body, and moisture in the traditional Chinese medicine decoction pieces laid on the pore plate is dried through the flow of the hot air; this approach has the following disadvantages: in the drying process of the oven, the traditional Chinese medicine decoction pieces laid on the lower layer are heated greatly and dried quickly, while the traditional Chinese medicine decoction pieces laid on the upper layer are heated slightly and dried slowly, so that the problems of different drying degrees and unqualified quality of the dried traditional Chinese medicine decoction pieces are finally caused.

SUMMERY OF THE UTILITY MODEL

In view of this, the to-be-solved problem of the utility model is to provide a tunnel type oven, when using this oven to carry out the drying to herbal pieces-for chinese medicine, can realize that the continuous chinese medicine sliced medicinal herbs of developments carry out the drying, can discharge steam and moisture rapidly simultaneously, in real time according to the humidity condition in the oven adjust the even drying of the input volume of steam in order to reach herbal pieces-for chinese medicine, obtain high-quality herbal pieces-for chinese medicine when improving drying efficiency.

The utility model discloses an above-mentioned technical problem is solved to following technical means: the utility model provides a tunnel type oven, including oven, hot-blast furnace, control system and conveyor, the oven front end is provided with the pan feeding mouth, conveyor passes through the support setting in the oven, conveyor passes in the entering oven behind the pan feeding mouth, the oven rear end is provided with the first discharge gate corresponding with conveyor, be provided with air intake and air exit on the oven, the air intake is connected with the hot-blast furnace, carries hot air drying medicinal material through the hot-blast furnace in to the oven, still be provided with the exhaust fan on the air exit, still be provided with humidity transducer in the oven, humidity transducer sets up and is being close to conveyor middle part position, humidity transducer and hot-blast furnace are connected with the control system electricity respectively, through the air supply volume of the humidity adjustment hot-blast furnace that detects the medicinal material position in the oven.

Further, the oven comprises a first power section and a second power section which are sequentially spliced, openings are respectively arranged at the splicing positions of the first power section and the second power section, the feeding port is arranged at the front end of the first power section, the first discharge port is arranged at the rear end of the second power section, a plurality of air inlets are respectively arranged on the first power section and the second power section, the air inlets are respectively connected with the hot blast stove, an electromagnetic valve for controlling the opening and closing of the air inlets is independently arranged on each air inlet, the conveying device comprises a first conveying belt and a second conveying belt, the first conveying belt passes through the openings of the first power section and the second power section and then is communicated with the second conveying belt, the second conveying belt is arranged at the second power section, the rear end of the second power section is communicated with the first discharge port, and each electromagnetic valve is respectively and electrically connected with the control system, and the driving devices of the first conveying belt and the second conveying belt are electrically connected with a control system.

Further, a weighing sensor for weighing the medicinal materials in real time is arranged on the first conveying belt and is electrically connected with the control system.

Further, the second conveyer belt is close to first conveyer belt one end and is provided with the device of strickleing off, the device of strickleing off is used for strickleing off the medicinal material on the second conveyer belt and prevents that the medicinal material from overlapping, the device of strickleing off includes the scraper blade, the scraper blade sets up on the support, the scraper blade sets up directly over the second conveyer belt.

Further, the scraper blade is provided with humidity transducer towards the medicinal material one side.

Further, the height of first conveyer belt is higher than the height of second conveyer belt, the tail end of first conveyer belt is provided with the second discharge gate, first discharge gate sets up directly over the second conveyer belt front end, overturns the medicinal material on the second conveyer belt through first discharge gate.

Further, first conveyer belt and second conveyer belt intercommunication position still are provided with the storage box, the opening size of storage box is greater than the width of second conveyer belt, first discharge gate all is located with strickle the device directly over the opening of storage box to the medicinal material of being strickleed off by strickleing off the device falls into the storage box.

Furthermore, the middle parts of the first conveying belt and the second conveying belt are respectively provided with a stir-frying device, the stir-frying devices are respectively arranged above the first conveying belt and the second conveying belt, and the stir-frying devices comprise rotating shafts arranged on the support, motors driving the rotating shafts to rotate and a plurality of stirring pieces evenly arranged on the rotating shafts.

According to the above technical scheme, the beneficial effects of the utility model are that: the utility model provides a tunnel type oven, including oven, hot-blast furnace, control system and conveyor, the oven front end is provided with the pan feeding mouth, conveyor passes through the support setting in the oven, conveyor passes in the entering oven behind the pan feeding mouth, the oven rear end is provided with the first discharge gate corresponding with conveyor, be provided with air intake and air exit on the oven, the air intake is connected with the hot-blast furnace, carries hot air drying medicinal material through the hot-blast furnace in to the oven, still be provided with the exhaust fan on the air exit, still be provided with humidity transducer in the oven, humidity transducer sets up and is being close to conveyor middle part position, humidity transducer and hot-blast furnace are connected with the control system electricity respectively, through the air supply volume of the humidity adjustment hot-blast furnace that detects the medicinal material position in the oven. Can realize that developments are continuous carries out the drying to traditional chinese medicine sliced medicinal herbs through conveyor, set up that air exit and exhaust device can be rapid simultaneously and discharge steam and moisture, set up the humidity transducer and adjust the input of steam according to the humidity condition in the oven in real time.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a sectional view of a tunnel oven provided by the present invention;

fig. 2 is a three-dimensional structure diagram of the tunnel oven provided by the present invention;

fig. 3 is a three-dimensional structure diagram of a conveying structure of the tunnel oven provided by the present invention;

figure 4 is the utility model provides a three-dimensional structure chart of the device of stir-fry of tunnel type oven.

Reference numerals:

1-baking oven; 2-a conveying device; 3-a stir-frying device; 4-a storage box; 11-a first power segment; 12-a second power segment; 13-an exhaust fan; 14-air inlet; 15-a first discharge port; 21-a first conveyor belt; 22-a second conveyor belt; 23-a scaffold; 31-a rotating shaft; 32-stirring slices; 33-a motor; 211-a second discharge outlet; 221-scraper.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the present application. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.

Referring to fig. 1-4, the utility model discloses a tunnel oven, which comprises an oven 1, a hot-blast stove, a control system and a conveying device 2, the front end of the oven 1 is provided with a feeding port, the conveying device 2 is arranged in the oven 1 through a bracket 23, the conveying device 2 passes through the feeding port and then enters the oven 1, a first discharging port 15 corresponding to the conveying device 2 is arranged at the rear end of the oven 1, the oven 1 is provided with an air inlet 14 and an air outlet, the air inlet 14 is connected with a hot blast stove, the hot air is used for conveying hot air to dry the medicinal materials in the drying oven 1, an exhaust fan 13 is arranged on the exhaust outlet, a humidity sensor is also arranged in the oven 1 and is arranged at a position close to the middle part of the conveying device 2, the humidity sensor and the hot blast stove are respectively electrically connected with the control system, and the air supply quantity of the hot blast stove is adjusted by detecting the humidity of the position of the medicine in the oven 1. When carrying out herbal pieces-drying, at first place herbal pieces-at 2 front ends of conveyor, carry the herbal pieces-to-be-treated in transporting oven 1 through conveyor 2 and dry, and carry out herbal pieces-to-be-treated through first discharge gate 15 after the drying is accomplished, blow in hot-blast heating herbal pieces-to-be-treated in oven 1 through the hot-blast furnace, discharge the moisture in oven 1 through exhaust fan 13, judge dry progress through humidity transducer response herbal pieces-to-be-treated's humidity simultaneously, reduce conveyor 2's conveying speed when humidity is too big, increase hot-blast power of delivery simultaneously, increase herbal pieces-to-be-treated's dry progress, thereby improve herbal pieces-to-be-treated's drying efficiency and herbal pieces-to-be-treated's drying quality. Preferably, conveyor 2 is by the drive arrangement of conveyer belt and drive conveyer belt removal, be provided with a plurality of ventilation holes on the conveyer belt, the size in ventilation hole is less than herbal pieces-size, and hot-blast ventilation hole that can pass blows to herbal pieces-lower surface for herbal pieces-'s drying is more even. The control system receives signals of the weighing sensor and the humidity sensor, then controls the conveying speed of the first conveying belt and the second conveying belt, controls the opening and closing of the air inlets and controls the output power of the hot blast stove and the exhaust fan, so that the drying degree of the traditional Chinese medicine decoction pieces in the drying oven is controlled in real time, the traditional Chinese medicine decoction pieces can be dried uniformly, and high-quality traditional Chinese medicine decoction pieces are obtained.

As a further improvement to the above technical solution, the oven 1 includes a first power section 11 and a second power section 12 which are sequentially spliced, openings are respectively provided at the splicing positions of the first power section 11 and the second power section 12, the material inlet is provided at the front end of the first power section 11, the first material outlet 15 is provided at the rear end of the second power section 12, a plurality of air inlets 14 are respectively provided on the first power section 11 and the second power section 12, the plurality of air inlets 14 are respectively connected to the hot blast stove, each air inlet 14 is separately provided with an electromagnetic valve for controlling the opening and closing of the air inlet 14, the conveying device 2 includes a first conveying belt 21 and a second conveying belt 22, the first conveying belt 21 passes through the openings of the first power section 11 and the second power section 12 and then is communicated with the second conveying belt 22, the second conveying belt 22 is provided on the second power section 12, the rear end of the second power section 12 is communicated with the first material outlet 15, each electromagnetic valve is electrically connected with a control system, and the driving devices of the first conveying belt 21 and the second conveying belt 22 are electrically connected with the control system. The drying oven 1 is divided into a first power section 11 and a second power section 12 to dry the medicinal materials step by step, and a plurality of air inlets 14 are arranged to control the hot air inlet amount in the first power section 11 and the second power section 12 respectively, so that the drying quality of the traditional Chinese medicine decoction pieces is better.

As a further improvement to the above technical solution, a weighing sensor for weighing the medicinal material in real time is arranged on the first conveyor belt 21, and the weighing sensor is electrically connected with the control system. The real-time weighing sensor is arranged at the front end of the first conveying belt 21, the amount of the Chinese herbal pieces entering the first power section 11 is controlled at any time, the number of the air inlets 14 is controlled according to the amount of the entering Chinese herbal pieces, when the number of the Chinese herbal pieces entering the first power section 11 is large, more air inlets 14 are opened, and more hot air is blown in. Optionally, a weighing conveyer belt may be further disposed at the front end of the first conveyer belt 21 for real-time weighing of the herbal pieces, and the weight of the herbal pieces in the first power section 11 is measured in real time according to the conveying speed of the conveyer belt.

As a further improvement to the above technical solution, a scraping device is disposed at one end of the second conveyor belt 22 close to the first conveyor belt 21, the scraping device is used for scraping the medicinal materials on the second conveyor belt 22 to prevent the medicinal materials from overlapping, the scraping device includes a scraper 221, the scraper 221 is disposed on the bracket 23, and the scraper 221 is disposed right above the second conveyor belt 22. Set up scraper blade 221 on second conveyer belt 22, will get into the medicinal material of second power section 12 more even, the herbal pieces-is heated more evenly, and the degree of drying is more even. Preferably, the height of the scraping plate 221 is adjustable, the height of the scraping plate 221 can be adjusted by a screw and nut fit mode, and the distance between the scraping plate 221 and the upper surface of the second conveyor belt 22 is adjusted according to the thickness of the herbal pieces, so that the distance between the scraping plate 221 and the upper surface of the second conveyor belt 22 is larger than 2.5 times and smaller than 3.5 times of the thickness of the herbal pieces, and the multiple stacked herbal pieces can be scraped off and uniformly placed on the second conveyor belt 22.

As a further improvement to the above technical solution, a humidity sensor is disposed on a side of the scraper 221 facing the medicinal material. The scraper 221 is provided with a humidity sensor, when the scraper 221 scrapes off the traditional Chinese medicine decoction pieces, the humidity on the traditional Chinese medicine decoction pieces is detected, when the humidity is larger than a set value, more air outlets of the second power section 12 are opened, the hot air input quantity of the second power section 12 is increased, meanwhile, the air exhaust speed of the exhaust fan 13 is increased, and the circulating discharge in the second power section 12 is accelerated. The humidity sensor can be an infrared humidity detection instrument.

As a further improvement to the above technical solution, the height of the first conveyor belt 21 is higher than that of the second conveyor belt 22, a second discharge hole 211 is arranged at the tail end of the first conveyor belt 21, the first discharge hole 15 is arranged right above the front end of the second conveyor belt 22, and the medicinal materials are overturned on the second conveyor belt 22 through the first discharge hole 15. Make the height of first conveyer belt 21 be greater than the height of second conveyer belt 22, during the herbal pieces-from first conveyer belt 21 falls on second conveyer belt 22 on herbal pieces-there is a upset to reach the purpose to the herbal pieces upset, make herbal pieces's drying more even.

As a further improvement to the above technical solution, the communicating position of the first conveying belt 21 and the second conveying belt 22 is further provided with a storage box 4, the opening size of the storage box 4 is greater than the width of the second conveying belt 22, and the first discharge hole 15 and the scraping device are both located right above the opening of the storage box 4, so that the medicinal material scraped by the scraping device falls into the storage box 4. Have a small amount when the herbal pieces-from first conveyer belt 21 turn over and fall to second conveyer belt 22 on the ground, have a small amount of medicinal materials overstock when scraping the herbal pieces-on second conveyer belt 22 through strickleing the device simultaneously, set up storage box 4 and be used for depositing the herbal pieces-scraped by strickleing the device at first conveyer belt 21 and second conveyer belt 22 junction to regularly take out the herbal pieces-in storage box 4, prevent extravagantly.

As a further improvement of the above technical solution, the stir-frying device 3 is respectively disposed in the middle of the first conveyor belt 21 and the second conveyor belt 22, the stir-frying device 3 is respectively disposed above the first conveyor belt 21 and the second conveyor belt 22, and the stir-frying device 3 includes a rotating shaft 31 rotatably disposed on the bracket 23, a motor driving the rotating shaft 31 to rotate, and a plurality of stirring pieces 32 uniformly disposed on the rotating shaft 31. The stir-frying device 3 is respectively arranged in the middle of the first conveying belt 21 and the second conveying belt 22 to stir-fry the Chinese herbal pieces, so that the drying is more uniform. When the herbal pieces are moved on the first conveyor belt 21 or the second conveyor belt 22, when the herbal pieces are moved to the position of the stir-frying device 3, the stirring sheet 32 is driven to rotate by the rotation of the rotating shaft 31, and the positions of the herbal pieces are turned over, so that the herbal pieces are heated more uniformly.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. A tunnel oven which is characterized in that: the drying oven comprises an oven (1), a hot blast stove, a control system and a conveying device (2), wherein a feeding port is arranged at the front end of the oven (1), the conveying device (2) is arranged in the oven (1) through a support (23), the conveying device (2) enters the oven (1) after penetrating through the feeding port, a first discharge port (15) corresponding to the conveying device (2) is arranged at the rear end of the oven (1), an air inlet (14) and an air outlet are formed in the oven (1), the air inlet (14) is connected with the hot blast stove, hot blast medicinal materials are conveyed into the oven (1) through the hot blast stove, an exhaust fan (13) is further arranged on the air outlet, a humidity sensor is further arranged in the oven (1), the humidity sensor is arranged at a position close to the middle part of the conveying device (2), and the humidity sensor and the hot blast stove are respectively and electrically connected with the control, the air supply quantity of the hot blast stove is adjusted by detecting the humidity of the position of the medicine in the oven (1).

2. The tunnel oven of claim 1, characterized in that: the drying oven (1) comprises a first power section (11) and a second power section (12) which are sequentially spliced, openings are respectively arranged at the splicing positions of the first power section (11) and the second power section (12), the feeding port is arranged at the front end of the first power section (11), the first discharging port (15) is arranged at the rear end of the second power section (12), a plurality of air inlets (14) are respectively arranged on the first power section (11) and the second power section (12), the plurality of air inlets (14) are respectively connected with the hot blast stove, each air inlet (14) is independently provided with an electromagnetic valve for controlling the opening and closing of the air inlet (14), the conveying device (2) comprises a first conveying belt (21) and a second conveying belt (22), the first conveying belt (21) is communicated with the second conveying belt (22) after passing through the openings of the first power section (11) and the second power section (12), the second conveying belt (22) is arranged at a second power section (12), the rear end of the second power section (12) is communicated with the first discharge hole (15), each electromagnetic valve is electrically connected with the control system respectively, and the driving devices of the first conveying belt (21) and the second conveying belt (22) are electrically connected with the control system.

3. The tunnel oven of claim 2, characterized in that: the first conveying belt (21) is provided with a weighing sensor for weighing the medicinal materials in real time, and the weighing sensor is electrically connected with the control system.

4. The tunnel oven of claim 2, characterized in that: second conveyer belt (22) are close to first conveyer belt (21) one end and are provided with the device of strickleing off, the device of strickleing off is used for strickleing off the medicinal material on second conveyer belt (22) and prevents that the medicinal material from overlapping, the device of strickleing off includes scraper blade (221), scraper blade (221) set up on support (23), scraper blade (221) set up directly over second conveyer belt (22).

5. The tunnel oven of claim 4, characterized in that: and a humidity sensor is arranged on one surface of the scraper (221) facing the medicinal material.

6. The tunnel oven of claim 2, characterized in that: the height of first conveyer belt (21) is higher than the height of second conveyer belt (22), the tail end of first conveyer belt (21) is provided with second discharge gate (211), first discharge gate (15) set up directly over second conveyer belt (22) front end, overturn the medicinal material on second conveyer belt (22) through first discharge gate (15).

7. The tunnel oven of claim 4, characterized in that: first conveyer belt (21) and second conveyer belt (22) intercommunication position still are provided with storage box (4), the opening size of storage box (4) is greater than the width of second conveyer belt (22), first discharge gate (15) all are located directly over the opening of storage box (4) with strickle the device to the medicinal material of strickleing off by strickleing off the device falls into storage box (4).

8. The tunnel oven of claim 2, characterized in that: the stir-frying machine is characterized in that stir-frying devices (3) are respectively arranged in the middle of the first conveying belt (21) and the second conveying belt (22), the stir-frying devices (3) are respectively arranged above the first conveying belt (21) and the second conveying belt (22), and the stir-frying devices (3) comprise rotating shafts (31) arranged on the support (23) in a rotating mode, motors driving the rotating shafts (31) to rotate and a plurality of stirring pieces (32) evenly arranged on the rotating shafts (31).