CN207095173U - A kind of circulating air drying system - Google Patents

Abstract

The utility model provides a kind of circulating air drying system, including drying room, combustor, heat-exchange device and dust arrester, thermal insulation board is provided with the drying room, the drying room is divided into drying chamber and return air chamber by the thermal insulation board, and the both ends of the thermal insulation board offer fresh air inlet and return air hole respectively, air blower is provided with the fresh air inlet, the combustor, the heat-exchange device and the dust arrester are sequentially connected and the heat-exchange device is located at the drying chamber.Drying room is divided into by drying chamber and return air chamber by thermal insulation board, drying chamber can be back in drying chamber by return air chamber after mosquito-repellent incense is dried by the air that heat-exchange device heats to be heated again, form circulating air, hot blast temperature is of a relatively high, and drying effect is preferable and energy consumption is relatively low.

Description

A kind of circulating air drying system

Technical field

A kind of drying system is the utility model is related to, especially a kind of circulating air drying system.

Background technology

Drying is also referred to as drying, refers to the process of discharge the moisture contained in material, is widely used in all kinds of production works In skill, it is also required to dry the mosquito-repellent incense of shaping in mosquito-repellent incense production.

Drying to mosquito-repellent incense at present is mainly directly heated using thermal source to air, then blows heated air The moisture in mosquito-repellent incense is taken out of to mosquito-repellent incense, then the larger air of these water content is discharged to the outside in air, and suck new sky Gas is heated.This drying mode needs constantly to heat cold air, and energy consumption is of a relatively high.

In view of this, the applicant conducts in-depth research to the drying system for mosquito-repellent incense, there is this case generation then.

Utility model content

The purpose of this utility model is to provide a kind of relatively low circulating air drying system that consumes energy.

To achieve these goals, the present invention adopts the following technical scheme that：

A kind of circulating air drying system, including drying room, combustor, heat-exchange device and dust arrester, in the drying room Thermal insulation board is provided with, the drying room is divided into drying chamber and return air chamber, and the both ends difference of the thermal insulation board by the thermal insulation board Fresh air inlet and return air hole are offered, is provided with air blower on the fresh air inlet, the combustor, the heat-exchange device and described Dust arrester is sequentially connected and the heat-exchange device is located at the drying chamber.

As a kind of improvement of the present utility model, the heat-exchange device includes radiating subassembly, and the radiating subassembly includes The first airduct and the second airduct that are arranged parallel to and multiple between first airduct and second airduct Radiating tube, one end of first airduct have air inlet, and the other end is closed structure, second airduct and the air inlet Corresponding one end is closed structure, and the other end has an air outlet, the both ends of the radiating tube respectively with first airduct and institute The connection of the second airduct is stated, multiple first baffles are provided with first airduct, the first baffle divides first airduct Multiple first air compartments are divided into, are provided with multiple second baffles in second airduct, the second baffle is by second airduct It is divided into multiple second air compartments, first air compartment and second air compartment alternate connection successively by the radiating tube.

As it is of the present utility model it is a kind of improve, the radiating subassembly has multiple, and multiple radiating subassemblies are sequentially connected in series Connection.

As a kind of improvement of the present utility model, the heat-exchange device also includes air-introduced machine, and the air-introduced machine is connected to Between two adjacent radiating subassemblies or it is connected between the radiating subassembly and the dust arrester.

As a kind of improvement of the present utility model, first airduct and second airduct are all rectangular tube, and described First airduct offers observation window respectively in opening position corresponding with each first air compartment, is detachably connected on the observation window There is transparent panel.

As a kind of improvement of the present utility model, the dust arrester includes cylinder, is connected to entering for the cylinder top Tracheae and the escape pipe being interspersed in the cylinder, the mouth position of the cylinder upper end are provided with cover plate, lower end funnel, The air inlet pipe is connected with the radiating subassembly, and the lower end of the escape pipe is located at close to the position of cylinder lower end oral area Place, upper end passes through the cover plate and ft connection.

As a kind of improvement of the present utility model, flame isolation tube is provided between the combustor and the heat-exchange device.

Using above-mentioned technical proposal, the utility model has the advantages that：

1st, drying room is divided into by drying chamber and return air chamber by thermal insulation board, the sky heated in drying chamber by heat-exchange device Gas can be back to drying chamber by return air chamber after being dried to mosquito-repellent incense and be heated again, form circulating air, hot blast temperature Spend of a relatively high, drying effect is preferable and energy consumption is relatively low.

2nd, the heat smoke that heat-exchange device provided by the utility model be able to can not be provided effectively using combustor is to sky Gas is heated, and can effectively obstruct the particle contained in flue gas, it is ensured that the gas of discharge meets environmental requirement.

3rd, by setting dust arrester, the particle that may contain in flue gas can be further removed, it is more environmentally friendly.

Brief description of the drawings

Fig. 1 is the drying room structure schematic diagram of the utility model circulating air drying system, clipped part in figure；

Fig. 2 is the attachment structure schematic diagram of the utility model circulating air drying system, clipped part in figure.

Indicated in figure corresponding as follows：

10- drying rooms；11- thermal insulation boards；

12- drying chambers；13- return air chambers；

14- fresh air inlets；15- return air holes；

20- combustors；30- heat-exchange devices；

31- radiating subassemblies；32- air-introduced machines；

The airducts of 33- first；The airducts of 34- second；

35- radiating tubes；36- first baffles；

The air compartments of 37- first；38- second baffles；

The air compartments of 39- second；40- dust arresters；

41- cylinders；42- blast pipes；

43- discharge pipes；44- cover plates；

50- flame isolation tubes.

Embodiment

The utility model is described further with specific embodiment below in conjunction with the accompanying drawings.

As depicted in figs. 1 and 2, the circulating air drying system that the present embodiment provides, including drying room 10, combustor 20, heat Switch 30 and dust arrester 40, wherein combustor 20 are preferably biomass energy combustor, more environmentally friendly.

Drying room 10 is closed structure, is provided with thermal insulation board 11 in it, drying room 10 is divided into the He of drying chamber 12 by thermal insulation board 11 Return air chamber 13, wherein return air chamber 13 are located at the top of drying chamber 12, and drying material is placed in drying chamber 12.Thermal insulation board 11 Both ends offer fresh air inlet 14 and return air hole 15 respectively, air blower (not shown) is provided with fresh air inlet 14, for will The hot blast suction return air chamber 13 for being oven-dried material is flowed through, realizes hot blast circulating between drying chamber 12 and return air chamber 13. In addition, being preferably provided with dehydrating unit in return air chamber 13, it is easy to exclude the steam in air, improves drying effect, dehumidifying dress The emphasis of the device, not the present embodiment that can be routine is put, is no longer described in detail herein.

Combustor 20, heat-exchange device 30 and dust arrester 40 are sequentially connected, and heat-exchange device 30 is located at drying chamber 10 Interior, dust arrester 40 is located at outside drying room 10.Preferably, in the present embodiment, set between combustor 20 and heat-exchange device 30 There is flame isolation tube 50, flame isolation tube 50 is bimetallic tube, and its inner side is spliced to form using muffle brick, can effectively completely cut off flame, it is ensured that heat While amount is admitted to heat-exchange device 30, heat-exchange device 30 will not be by flame burn.

Heat-exchange device 30 includes radiating subassembly 31 and air-introduced machine 32, and the wherein quantity of radiating subassembly 31 can be according to reality It needs to be determined that in the present embodiment, radiating subassembly 31 has multiple, and multiple radiating subassemblies 31 are sequentially connected in series, and air-introduced machine 32 connects It is connected between two adjacent radiating subassemblies 31 or is connected between radiating subassembly 31 and dust arrester 40.

Radiating subassembly 31 includes the first airduct 33 for being arranged parallel to and the second airduct 34 and multiple is located at the first wind Radiating tube 35 between the airduct 34 of pipe 33 and second, wherein, the first airduct 33 is located at the lower section of the second airduct 34, and both are mutually Concordantly, it is preferred that in the present embodiment, the first airduct 33 and the second airduct 34 are all rectangular tube.In addition, the both ends of radiating tube 35 Connected respectively with the first airduct 33 and the second airduct 34.

In same radiating subassembly 31, one end of the first airduct 33 has an air inlet, and the other end is closed structure, and second The one end corresponding with the air inlet of the first airduct 33 of airduct 34 is closed structure, and the other end has air outlet, specific closed knot Structure is conventional structure, is no longer described in detail herein.In the multiple radiating subassemblies 31 being connected in series with each other, the first radiating subassembly 31 enters Air port is connected by flame isolation tube 50 with combustor 20, and the air outlet of last radiating subassembly 31 is connected with dust arrester 40, phase The air inlet and air outlet of two adjacent radiating subassemblies 31 are connected with each other.Certainly, wherein there is two adjacent radiating subassemblies 31 It is connected with each other between air outlet and air inlet by air-introduced machine 32, or the air outlet of last radiating subassembly 31 passes through air inducing Machine 32 is connected with dust arrester 40, in the present embodiment using former connected mode.

Multiple first baffles 36 are provided with first airduct 33, the endoporus of the first airduct 33 is divided into more by first baffle 36 Individual first air compartment 37, and the first airduct 33 is offering observation window respectively with each first air compartment, 37 corresponding opening position, the observation Transparent panel is removably connected with window, such observation window cannot be only used for observing the situation in the first airduct 33, it can also be used to clear Ash.Multiple second baffles 38 are provided with second airduct 34, the endoporus of the second airduct 34 is divided into multiple by second baffle 38 Two air compartments 39, in same radiating subassembly 31, the first air compartment 37 and the second air compartment 39 are alternateed successively by radiating tube 35 Connection, i.e. hot blast can flow alternately through the first air compartment 37 and the second air compartment 39 successively, finally after air inlet enters the first airduct 33 Flowed out from air outlet, in this process, the heat in hot blast can be diffused in drying chamber 23 by radiating tube 35, heating, drying Air in room 23.

The escape pipe that dust arrester 40 includes cylinder 41, is connected to the air inlet pipe 42 on the top of cylinder 41 and is interspersed in cylinder 43, the mouth position of the upper end of cylinder 41 is provided with cover plate 44, lower end funnel, air inlet pipe 42 and corresponding radiating subassembly 31 Air outlet connection, the lower end of escape pipe 43 are located at the opening position close to the lower end oral area of cylinder 41, and upper end passes through cover plate 44 and outside Connection, so, the flue gas flowed out from radiating subassembly 31 can flow into cylinder 41. and the formation eddy flow in cylinder from air inlet pipe 42, make Obtain the particulate matter contained in flue gas to be thrown away by centrifugal force, and flowed out from the oral area of the lower end of cylinder 41, and flue gas is then from escape pipe 43 discharges.

The utility model is described in detail above in conjunction with accompanying drawing, but embodiment of the present utility model and not only It is limited to above-mentioned embodiment, those skilled in the art can make various modifications according to prior art to the utility model, such as will Combustor 20 in above-described embodiment is changed to other heat source accommodation devices etc., and these belong to protection model of the present utility model Enclose.

Claims (7)

1. a kind of circulating air drying system, it is characterised in that including drying room, combustor, heat-exchange device and dust arrester, institute To state and thermal insulation board is provided with drying room, the drying room is divided into drying chamber and return air chamber by the thermal insulation board, and the thermal insulation board Both ends offer fresh air inlet and return air hole respectively, and air blower, the combustor, heat exchange dress are provided with the fresh air inlet Put and be sequentially connected with the dust arrester and the heat-exchange device is located at the drying chamber.

2. circulating air drying system as claimed in claim 1, it is characterised in that the heat-exchange device includes radiating group Part, the radiating subassembly include the first airduct for being arranged parallel to and the second airduct and it is multiple positioned at first airduct and Radiating tube between second airduct, one end of first airduct have air inlet, and the other end is closed structure, and described Two airducts one end corresponding with the air inlet is closed structure, and the other end has air outlet, the both ends difference of the radiating tube Connected with first airduct and second airduct, multiple first baffles, the first gear are provided with first airduct First airduct is divided into multiple first air compartments by plate, is provided with multiple second baffles in second airduct, and described second Second airduct is divided into multiple second air compartments by baffle plate, and first air compartment and second air compartment pass through the radiating tube Connection is alternateed successively.

3. circulating air drying system as claimed in claim 2, it is characterised in that the radiating subassembly has multiple, Duo Gesuo Radiating subassembly is stated to be sequentially connected in series.

4. circulating air drying system as claimed in claim 3, it is characterised in that the heat-exchange device also includes air inducing Machine, the air-introduced machine are connected between two adjacent radiating subassemblies or are connected to the radiating subassembly and the dedusting Between device.

5. the circulating air drying system as described in any claim in claim 2-4, it is characterised in that first wind Pipe and second airduct are all rectangular tube, and first airduct is opened respectively in opening position corresponding with each first air compartment Provided with observation window, transparent panel is removably connected with the observation window.

6. the circulating air drying system as described in any claim in claim 2-4, it is characterised in that the dedusting dress The escape pipe put including cylinder, being connected to the air inlet pipe on the cylinder top and be interspersed in the cylinder, the cylinder upper end Mouth position be provided with cover plate, lower end funnel, the air inlet pipe is connected with the radiating subassembly, under the escape pipe End is located at the opening position close to cylinder lower end oral area, and upper end passes through the cover plate and ft connection.

7. the circulating air drying system as described in claim 1,2,3 or 4, it is characterised in that the combustor and the heat Flame isolation tube is provided between switch.