CN207147112U - A kind of biomass material equipment for drying - Google Patents

Abstract

A kind of biomass material equipment for drying is the utility model is related to, it includes：Drying, input unit, output section, biomass thermal wind furnace, collection vessel and cyclone dust collectors, it is used for the dried biomass material of process for accommodating the output section output.Processing can be dried to wood materials such as branch, wood sawdusts in the utility model, produce the biomass molding fuel based on wood material, the defects of solving the agriculture and forestry products such as the multipair stalk of drying machine of the prior art, rice husk, peanut shell and processing be dried, and processing can not being dried to the relatively sufficient branch of resource, wood sawdust raw material.

Description

A kind of biomass raw material drying treatment equipment

technical field

The utility model relates to a drying treatment equipment, in particular to a biomass raw material drying treatment equipment.

Background technique

The raw materials of existing biomass briquettes are mostly taken from agricultural and forestry products such as straws and peanut shells, while relatively abundant branches and sawdust raw materials are relatively less utilized, so it is not conducive to the use of biomass raw materials such as branches and sawdust raw materials. The full utilization of wood resources, especially for areas where wood resources are relatively concentrated and the cost of wood fuel raw material transportation and collection is relatively low, will have a negative impact on resource utilization and economic development in the area.

Therefore, it is necessary to provide a new biomass raw material drying treatment equipment for drying biomass raw materials, so that it can not only process and produce biomass briquettes with straw, rice husk, peanut shell, etc. as raw materials, but also can obtain nearby materials , using woody resources as raw materials for large-scale processing, thereby producing biomass briquettes mainly made of woody resources.

Utility model content

Aiming at the problems existing in the above-mentioned prior art, the utility model provides a new drying treatment equipment for biomass raw materials, which can dry and process woody raw materials such as branches and sawdust, and produce biomass molding mainly made of woody raw materials. Fuel, to solve the defect that the dryers in the prior art mostly dry and process agricultural and forestry products such as straw, rice husk, peanut shell, etc., but cannot dry and process the raw materials of branches and sawdust with relatively abundant resources.

The technical scheme that the utility model proposes with respect to above-mentioned technical problem is as follows:

Provided is a biomass raw material drying treatment equipment, which includes:

A drying cylinder, which is cylindrical and has a diameter of 1.5-2.5 meters, is used to accommodate the biomass raw materials that need to be dried, and to dry the biomass raw materials, and there is a stirrer inside the drying cylinder, and the stirring The device is used to stir the biomass raw material;

One end of the drying cylinder communicates with the input part for drying heat input, and the other end communicates with the output part for outputting the dried biomass raw material; The feed port, the biomass raw material that needs to be dried is transported by the first conveying device, and enters the drying cylinder after passing through the feed port;

A biomass hot blast stove, which communicates with the input part and is used to provide a heat source for drying the biomass raw material in the drying cylinder;

The power of the biomass hot blast stove is 18-30KW, which includes:

A furnace for burning fuel to generate heat, one side of the furnace communicates with the furnace door, and a charging port is provided on the furnace; a fire grate is provided at the bottom of the furnace, and a number of through holes are provided on the fire grate; A slag chamber is provided under the grate, and the slag generated after the fuel is burned falls into the slag chamber through the through hole on the grate, and a slag outlet is provided on the slag chamber; the other part of the furnace One side communicates with the auxiliary combustion chamber, and the bottom of the auxiliary combustion chamber is provided with a dust removal door for removing dust; the bottom of the auxiliary combustion chamber communicates with the settling chamber for dust settlement; the upper part of the settling chamber is provided with an outlet, The heat generated by burning fuel enters the drying cylinder through the outlet and the input part, and dries the biomass raw material in the drying cylinder;

The bottom of the output part is provided with a discharge port for outputting the dried biomass raw material; the discharge port is connected with the second conveying device, and the dried biomass raw material passes through the first The conveying of the second conveying device enters the collection container; the top of the output part is connected with a cyclone dust collector for separating the dust particles in the dried biomass raw material entering the output part, and the The bottom of the cyclone dust collector communicates with the second conveying device;

and a collection container, which is used to accommodate the dried biomass raw material output by the output unit;

The preferred biomass raw materials include branches, sawdust, straw, peanut hulls, and rice hulls.

Preferably, the top of the cyclone dust collector is connected with an induced fan for emptying the separated dust particles.

Preferably, the cyclone dust collector includes a cylindrical part with a diameter D and a conical part with a height H communicating with the cylindrical part; and the value range of the height H is 2.5D-3.5D.

Preferably, both the first conveying device and the second conveying device are augers.

Preferably, the diameter of the drying cylinder is 2.0 meters; the power of the biomass hot air stove is 22KW.

The technical solution of the utility model has the following technical effects:

(1) It is suitable for areas with rich wood resources, sufficient resources of branches and sawdust in gardens and sparse forests, and relatively low cost of raw material transportation and collection of wood fuel;

(2) Large processing capacity, when processing woody raw materials for the production of biomass briquettes, the processing capacity can reach 5000kg/h;

(3) The moisture content of the controllable wood raw material is from 30% to 10%, and the moisture content reaches the compressible standard;

(4) It is heated by a biomass hot stove with a driving power of 18-30KW and low energy consumption;

(5) Strong expandability, designed production margin, even if the output increases slightly, there is no need to replace equipment;

(6) The contact surface area between the material and the airflow is large, which improves the drying rate;

(7) Reduce the production cost of wood pellet fuel, increase the competitiveness of product profitability and product export;

(8) The cyclone dust collector is used to effectively separate the dust particles to ensure that the purity of the biomass raw material obtained by drying reaches more than 90%.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some implementations of the present invention. For example, those of ordinary skill in the art can also obtain other drawings based on these drawings on the premise of not paying creative efforts.

Fig. 1 is a schematic structural view of a dryer in Embodiment 1 of the utility model;

Fig. 2 is a schematic structural view of a biomass hot blast stove in Embodiment 1 of the utility model;

Fig. 3 is a schematic structural view of the cyclone dust collector in the first embodiment of the utility model.

Detailed ways

The utility model aims at the defects existing in the prior art, and the utility model provides a new drying machine, which can dry and process woody raw materials such as branches and sawdust, and produce biomass briquettes mainly made of woody raw materials. It solves the defect that the dryers in the prior art mostly dry and process agricultural and forestry products such as straws, rice husks, and peanut shells, but cannot dry and process the raw materials of branches and sawdust with relatively sufficient resources.

Embodiment one:

Fig. 1 shows the structure schematic diagram of the drying machine of the present utility model, and it comprises drying cylinder 100, and it is cylindrical, and diameter is 1.5-2.5 meters, and preferably, diameter is 2.0m, is used for accommodating the raw material that needs to be dried. material raw material, and the biomass raw material is dried, and there is a stirrer (not shown) inside the drying cylinder, and the stirrer is used to stir the biomass raw material, so that the biomass raw material is stirred It can fully contact with heat and effectively reduce the moisture content; in this embodiment, the biomass raw materials include tree branches, sawdust, straw, peanut shells, and rice husks.

Secondly, one end of the drying cylinder 100 communicates with the input part 200 for inputting heat for drying, and the other end communicates with the output part 300 for outputting the dried biomass raw material;

A biomass hot blast stove 400, which communicates with the input part 200, is used to provide a heat source for drying the biomass raw material in the drying cylinder 100; the power of the biomass hot blast stove 400 is 18-30KW, preferably , the power is 22KW, further, as shown in Figure 2, the biomass hot stove 400 includes:

A furnace 5 for burning fuel to generate heat, one side of the furnace 5 communicates with the furnace door 2 for air to enter, the furnace 5 is provided with a charging port 3; the bottom of the furnace 5 is provided with a fire grate 9, Preferably, the furnace 5 is detachably connected to the fire grate 9; the fire grate 9 is provided with a number of through holes; the bottom of the fire grate 9 is provided with a slag chamber 1, and the slag generated after the fuel is burned passes through The through hole on the grate 9 falls into the slag chamber 1, and the slag chamber 1 is provided with a slag outlet 10 for removing the slag generated by combustion; Chamber 6 communicates, and the bottom of the auxiliary combustion chamber 6 is provided with a dust removal door 8 for removing dust; the bottom of the auxiliary combustion chamber 6 communicates with the settling chamber 7 for dust settlement; the upper part of the settling chamber 7 is provided with a working The outlet 11 for the output of the heat generated by combustion, the heat generated by the combustion of fuel enters the drying cylinder 100 through the outlet 11 and the input part 200, and the biomass raw material in the drying cylinder 100 is processed dry;

Further, the bottom of the output part 300 is provided with a discharge port for outputting the dried biomass raw material;

And a collection container 700 for containing the dried biomass raw material output by the output unit 300 .

Further, in order to facilitate the input and output of raw materials, the input part 200 is provided with a feed port connected to the first material delivery device 500, and the biomass raw material that needs to be dried is transported by the first material delivery device 500 transport, enter the drying cylinder 100 after passing through the feed port; the discharge port is connected with the second conveying device 600, and the dried biomass raw material passes through the second conveying device 600 transported into the collection container 400. Preferably, both the first conveying device 500 and the second conveying device 600 are augers.

In addition, in order to ensure the purity of the biomass raw material obtained through drying and remove impurities such as dust, in this embodiment, the top of the output unit 300 is connected to the dried biomass that enters the output unit 300 A cyclone dust collector 800 for separating the dust particles in the biomass raw material, the bottom of the cyclone dust collector 800 communicates with the second conveying device 600; and the top of the cyclone dust collector 800 is connected to separate dust particles An induced draft fan 900 for evacuation.

Preferably, as shown in FIG. 3 , the cyclone dust collector 800 includes a cylindrical portion 12 with a diameter D and a conical portion 13 with a height H communicating with the cylindrical portion 12; and the value range of the height H is 2.5 D-3.5D, when the value range of the height H is 2.5D-3.5D, it can effectively improve the dust removal efficiency and improve the purity of the biomass raw material obtained by drying to more than 90%. Preferably, the height The value of H is 3.0D.

To sum up, the technical scheme of the present utility model is suitable for areas with rich wood resources, abundant tree branches and sawdust resources in gardens and sparse forests, and relatively low costs for the transportation and collection of wood fuel raw materials; When the woody raw material of biomass briquette fuel is used, the processing capacity can reach 5000kg/h; the moisture content of the controllable woody raw material is from 30% to 10%, and the moisture content reaches the compressible standard; the biomass hot stove is used for heating, and the driving power is 18- 30KW, low energy consumption; strong expandability, designed production margin, even if the output increases slightly, there is no need to replace equipment; the contact surface area between materials and airflow is large, which improves the drying rate; reduces the production cost of wood pellet fuel, increases The profitability of the product and the competitiveness of the product's export are guaranteed; and the cyclone dust collector is used to effectively separate the dust particles to ensure that the purity of the dried biomass raw material reaches more than 90%.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (6)

1. A kind of 1. biomass material equipment for drying, it is characterised in that including：

   Drying, its is cylindrical, a diameter of 1.5-2.5 rice, for accommodating the biomass material for needing to be dried, and to institute State biomass material to be dried, and there is agitator inside the drying, the agitator is used for former to the biomass Material is stirred；

   Described drying one end connects with for the input unit inputted for dry heat, and the other end for exporting with passing through drying The output section connection of biomass material afterwards；The charging aperture being connected with the first feeding device is offered in the input unit, it is described The biomass material for needing to be dried is conveyed by first feeding device, by entering the drying after the charging aperture In cylinder；

   Biomass thermal wind furnace, it is connected with the input unit, and the biomass material in the drying is done for providing Dry thermal source；

   The power of the biomass thermal wind furnace is 18-30KW, and it includes：

   The burner hearth of heat is produced for burning fuel, the burner hearth side connects with fire door, and the burner hearth is provided with charge door；Institute State burner hearth bottom and be provided with fire grate, the fire grate is provided with some through holes；Clinker room, the fuel combustion are provided with below the fire grate Clinker caused by after complete is fallen into the clinker room by the through hole on the fire grate, and the clinker room is provided with slag notch；Institute The opposite side for stating burner hearth connects with subsidiary combustion chamber, and the subsidiary combustion chamber bottom is provided with the shoot door for being used for excluding dust；The pair Bottom of combustion chamber connects with for the expansion chamber for ash fall；The expansion chamber top is provided with outlet, is produced by burning fuel Raw heat is entered in the drying by the outlet and the input unit, and to the life in the drying Raw material of substance is dried；

   The bottom of the output section is provided with discharging opening, is exported for exporting by dried biomass material；The discharging opening It is connected with the second feeding device, the delivering into by second feeding device by dried biomass material In the collection vessel；Be connected with the top of the output section for enter the output section, by dried biomass The cyclone dust collectors that grit in raw material is separated, the bottom of the cyclone dust collectors connect with second feeding device；

   And collection vessel, it is used for the dried biomass material of process for accommodating the output section output.
2. 2. biomass material equipment for drying as claimed in claim 1, it is characterised in that the biomass material includes tree Branch, wood sawdust, stalk, peanut shell, rice husk.
3. 3. biomass material equipment for drying as claimed in claim 1, it is characterised in that connect at the top of the cyclone dust collectors It is connected to the air-introduced machine for the grit of separation to be emptied.
4. 4. biomass material equipment for drying as claimed in claim 1, it is characterised in that the cyclone dust collectors include straight Cylindrical portion that footpath is D and connected with cylindrical portion, conus portion that be highly H；And the span of the height H is 2.5D- 3.5D。
5. 5. biomass material equipment for drying as claimed in claim 1, it is characterised in that first feeding device and Two feeding devices are auger.
6. 6. biomass material equipment for drying as claimed in claim 1, it is characterised in that the drying a diameter of 2.0 Rice；The power of the biomass thermal wind furnace is 22KW.