Biomass briquette fuel hot-blast furnace maize drying device
Technical Field
The invention relates to biomass energy, in particular to a corn drying device of a biomass briquette hot blast stove.
Background
In order to promote the full utilization of resources and reduce the atmospheric pollution, the utilization method of biomass briquette fuel is generally adopted at present to solve the problems of grain drying and full utilization of agricultural wastes, and in the biomass utilization, corn is one of grain varieties which are difficult to dry, and mainly has the advantages of large and uneven grains, small unit specific surface area and compact and smooth corn epidermis structure;
the prior art generally adopts external dry moisture degradation, which is greatly not beneficial to the moisture evaporation from the inside to the outside of the corn;
the components of the stems and the leaves of the corns are different, if the stems and the leaves are dried simultaneously, the drying energy required by the stems and the leaves is different, and the resources are wasted to a great extent;
moreover, the moisture content of the dried corn is increased, so that the drying temperature is increased, and the quality of the dried corn is greatly reduced.
Disclosure of Invention
Aiming at the problems, the invention provides a corn drying device of a biomass briquette hot-blast stove.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a biomass briquette fuel hot-blast furnace maize drying device, its structure includes feeder hopper, drying cabinet, draught fan, air exhauster, the feeder hopper is installed to the last port of drying cabinet one side of drying cabinet is equipped with draught fan, opposite side and has installed the air exhauster, the feeder hopper extends in the drying cabinet inside respectively by the pan feeding chamber, cut apart the dish, scrape awl, negative pressure shutdown mechanism and constitute, the pan feeding chamber is cut apart into the structure of falling V-arrangement through cutting apart the dish, scraping the cutting system that awl, negative pressure shutdown mechanism constitute the both sides of cutting apart the dish cooperate respectively to scrape awl and negative pressure shutdown mechanism, it sets up in negative pressure shutdown mechanism top to scrape the awl.
As a further improvement of the invention, the dividing disc comprises a supporting disc, dividing sheets, spikes and a clamping shaft, wherein more than two dividing sheets are uniformly welded in the supporting disc, and the clamping shaft for welding the spikes is fixedly arranged at the concentration point of each dividing sheet.
As a further improvement of the invention, the negative pressure cutting mechanism is provided with a triangular cutter, a first piston, a negative pressure cavity, a second piston, a movable baffle plate and a scraping thorn, wherein the movable baffle plate is of a roughly trapezoidal structure, the scraping thorn is arranged on the arc surface of one end, far away from the second piston, of the movable baffle plate, the triangular cutter is integrated with the first piston, the movable baffle plate is integrated with the second piston, the negative pressure cavity is connected between the triangular cutter and the movable baffle plate, and the first piston and the second piston are arranged in two ends of the negative pressure cavity.
As a further improvement of the invention, the outer circumferential surface of the supporting disk is welded between the scraping cone and the fixed end where the negative pressure cutting mechanism is located.
As a further improvement of the invention, the straight surface of the scraping cone is arranged on the feeding channel of the feeding cavity.
As a further improvement of the invention, the triangular cutter is arranged at the upper end of the dividing disc, and the movable baffle is arranged at the bottom of the dividing disc.
As a further improvement of the invention, the interior of the negative pressure chamber is filled with a standard atmospheric pressure.
As a further improvement of the invention, two triangular cutters and two movable baffles are respectively arranged, the two triangular cutters are in contact fit with the dividing disc, and the two movable baffles are in fit with the bottom of the dividing disc but are not in contact.
Compared with the prior art, the invention has the following beneficial effects:
1. the feeding cavity is of an inverted V-shaped structure, the corn to be dried is subjected to stem and leaf separation by the aid of the scraping cone, the leaves are discharged from two sides, the stems are cut segment by segment under the action of the cutting disc matched with the triangular cutter to form a small segment of corn stems, so that the water diffusion area in the corn stems is increased, the later drying effect is effectively improved, and the waste of resources in the later drying can be effectively relieved by the aid of the stem and leaf separation.
2. The corn drying machine has the advantages that the cutting pieces are matched with the sharp spines and the clamping shafts, each small section of corn stalks are divided into six parts by the cutting pieces, and the core positions of the corn stalks form a plurality of through holes under the penetration of the sharp spines, so that the moisture of the corn is diffused from the inside to the outside, and the drying efficiency is further improved.
3. The movable baffle plate is matched with the scraping thorns, residual redundant blades of the corn stalks are scraped, the stalk and the leaf are thoroughly separated, the triangular cutter is driven to cut off under the action of the movable baffle plate and the negative pressure cavity, and the corn stalks are effectively cut off.
Drawings
FIG. 1 is a schematic diagram of an appearance structure of a biomass briquette hot-blast stove corn drying device of the invention.
FIG. 2 is a schematic view of the structure of the drying oven of the present invention with a hopper connected inside.
FIG. 3 is a schematic structural diagram of a dividing disk according to the present invention.
FIG. 4 is a schematic structural diagram of the negative pressure cutoff mechanism of the present invention.
Fig. 5 is a schematic structural view of the working principle of the negative pressure cutting mechanism of the present invention.
In the figure: the device comprises a feed hopper-1, a drying box-2, an induced draft fan-3, an induced draft fan-4, a feeding cavity-11, a dividing disc-12, a scraping cone-13, a negative pressure cutting mechanism-14, a supporting disc-121, a dividing sheet-122, a spine-123, a clamping shaft-124, a triangular cutter-141, a first piston-142, a negative pressure cavity-143, a second piston-144, a movable baffle-145 and a scraping spine-146.
Detailed Description
In order to make the technical means, creation features, achievement objects and effects of the invention easy to understand, fig. 1 to 5 schematically show the structure of a hot blast stove corn drying device according to an embodiment of the invention, and the invention is further described below with reference to specific embodiments.
Examples
As shown in fig. 1, 2 and 5, the invention provides a corn drying device of a biomass briquette hot-blast stove, which structurally comprises a feed hopper 1, a drying box 2, an induced draft fan 3 and an exhaust fan 4, wherein the feed hopper 1 is installed at an upper end opening of the drying box 2, the induced draft fan 3 is arranged on one side of the drying box 2, the exhaust fan 4 is installed on the other side of the drying box 2, the feed hopper 1 extends into the drying box 2 and is respectively composed of a feeding cavity 11, a dividing disc 12, a scraping cone 13 and a negative pressure cutting mechanism 14, the feeding cavity 11 is divided into an inverted V-shaped structure through a cutting system composed of the dividing disc 12, the scraping cone 13 and the negative pressure cutting mechanism 14, the scraping cone 13 is respectively matched with the two sides of the dividing disc 12, the scraping cone 13 is arranged above the negative pressure cutting mechanism 14, and the scraping cone 13 is directly positioned on a feeding channel of the feeding cavity 11.
As shown in fig. 3, the dividing plate 12 includes a supporting disk 121, two or more dividing pieces 122 uniformly welded inside the supporting disk 121, a spike 123 fixed at a concentrated point of each dividing piece 122, and a clamping shaft 124 for welding the spike 123, and the outer circumferential surface of the supporting disk 121 is welded between the fixed ends of the scraping cone 13 and the negative pressure cutting mechanism 14.
As shown in fig. 4, the negative pressure cutting mechanism 14 is provided with a triangular cutter 141, a first piston 142, a negative pressure chamber 143, a second piston 144, a movable baffle 145 and a burr 146, the movable baffle 145 is of a substantially trapezoidal structure, the burr 146 is provided on an arc surface of one end of the movable baffle 145 away from the second piston 144, the triangular cutter 141 is integrated with the first piston 142, the movable baffle 145 is integrated with the second piston 144, the negative pressure chamber 143 is connected between the triangular cutter 141 and the movable baffle 145, wherein the first piston 142 and the second piston 144 are disposed in both ends of the negative pressure chamber 143, the triangular cutter 141 is provided at an upper end of the dividing disc 12, the movable baffle 145 is provided at a bottom of the dividing disc 12, the negative pressure chamber 143 is filled with a standard atmospheric pressure, two triangular cutters 141 and two movable baffles 145 are provided, the two triangular cutters 141 are in contact with each other and are fitted on the dividing disc 12, while the two said flaps 145 cooperate with the bottom of the dividing disk 12 without touching.
The working principle of the hot blast stove corn drying device in the technical scheme is explained as follows:
when the corn stalk drying and burning device is used, a corn stalk feeding hopper 1 which needs drying and burning is slowly placed, when the corn stalk is led into a feeding cavity 11, a blade on the corn stalk is scraped off by a sharp end of a scraping cone 13 arranged in a separation area of a cavity opening, the corn stalk with the blade scraped off is slowly led into a channel where a dividing disc 12 is positioned, the corn stalk is divided into six equal parts through a dividing sheet 122, wherein, a plurality of through holes are formed by penetrating a stalk center of a clamping shaft 124 through a sharp spine 123, therefore, in the segmented corn stalk, the moisture in the segmented corn stalk is dispersed from inside to outside through a dividing surface and the through holes, so as to improve the drying effect of the later stage, realize uniform drying to ensure the quality of the later stage corn stalk, meanwhile, a movable baffle 145 is pushed downwards by the six equal parts of corn stalk, the movable baffle 145 compresses the negative pressure in a negative pressure cavity 143 inwards to change, and pushes out a triangular cutter 141 outwards, under two triangle cutters 141's cooperation jointly, with the corn stalk dissection, secondly, utilize to scrape thorn 146 will remain outside the corn stalk and show that to obtain effectively rejecting for the blade of scraping off, realize the separation of the pole leaf in the great degree, avoid in the later stage drying because the dry degree of pole leaf is different and resource-wasting greatly.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.