CN209612431U - A kind of device of grain drying smoits recycling - Google Patents

Abstract

The utility model relates to a kind of devices of grain drying smoits recycling, are equipped with impurity collecting hood in the two sides of grain drying equipment, are equipped with inner cavity and exocoel in impurity collecting hood；Inner cavity is communicated with the exhaust outlet of the dryer section of grain drying equipment and cooling section；The top of exocoel is equipped with axial flow blower, and axial flow blower communicates with the outside world；Inner cavity and exocoel are separated by partition, and separation window is equipped on partition, and separation window is equipped with inclined hole, and inclined hole lower end is located at inner cavity, and inclined hole communicates inner cavity and exocoel；Impurity collecting box is equipped in the bottom of inner cavity.Smoits centralized recovery may be implemented in the device, prevents pollution of the smoits to environment in Grain Drying Process.

Description

A kind of device of grain drying smoits recycling

Technical field

The utility model relates to a kind of devices of grain drying smoits recycling, belong to the dry field of crops.

Background technique

Grain drying system is mainly by storehouse after drying tower, coal-fired hot-blast stove, cleaning equipment, conveying equipment, the preceding storehouse of baking, baking etc. Composition, mostly uses the drying process such as mixed flow, concurrent-countercurrent, crossing current, generally forces precipitation by medium of high-temperature hot air, makes grain water Divide and is down to safe moisture；Mating heat source generallys use coal-fired, fuel oil and biological particles.In Grain Drying Process, fresh hot wind By processes such as fair current, adverse currents, with the heat grain in hot wind, and the moisture in grain is taken out of with hot wind, formed low Warm and humid hot-air.Since grain drying system is all made of outdoor open drying operation, the main problems are as follows:

1, the outdoor open drying operation of grain drying system causes grain impurity to fly upward all over the sky, causes serious environment Pollution.In Grain Drying Process, impurity, dust and some other residue in grain are directly extensive with low temperature damp-heat air Formula is discharged in air, and such as corn scurf is flown upward everywhere during corn drying, and rice drying process semilate rice stalk rice husk etc. is also overflow It is danced in the air, the dust being mingled in grain at the same time also all over the sky everywhere.These organic impurities are emitted on drying scene, drift with the wind To around drying operation, the smoits such as heavy scurf, rice stalk will accumulate thick on ground in a short period of time One layer, seriously affect surrounding enviroment.And the tiny particles contents such as dust can drift far with the wind, increase suspended particulate substance in air Content, cause serious atmosphere pollution；

2, the outdoor open drying operation serious waste energy of grain drying system.Grain drying operation concentrates on the winter substantially Season, Liaoning Province's temperature in winter are distributed from -10.7 DEG C~-7.5 DEG C, and hot blast temperature needed for grain drying is 60 DEG C~150 ℃.Since grain drying tower is directly exposed, drying tower internal-external temperature difference is larger outside, cause in tower to outside tower heat transfer rate compared with Fastly, it causes grain drying tower surrounding thermal loss larger, not only influences drying uniformity, but also waste the energy indirectly；

3, the outdoor open drying operation of grain drying system is unfavorable for carrying out production strictly in line with rules and regulations.In grain drying operation, grain The impurity such as scurf, rice seedling, dust are flown upward everywhere, affect the clean and tidy health of dry production site, furthermore these impurity are to human body Nocuousness, scurf rice seedling stimulate the skin of people, cause the symptoms such as itch, dust will affect the respiratory tract of people, damage the body of worker Health is unfavorable for carrying out production strictly in line with rules and regulations；

4, the outdoor open drying operation of grain drying system is unfavorable for social stability.Development and cities and towns with society Expansion, grain drying place periphery is increasingly becoming resident residential area.The grain drying produced pollution affects nearby residents Normal life, smoits and dust damage health of people cause nearby residents to complain to the higher authorities about an injustice and request fair settlement constantly, this easily becomes initiation society Contradictory fuse cord, is unfavorable for social stability.

Summary of the invention

The technical problem to be solved by the present invention is to provide a kind of device of grain drying smoits recycling, the dresses It sets and smoits centralized recovery may be implemented, prevent pollution of the smoits to environment in Grain Drying Process.

In order to solve the above problem, the specific technical solution of the utility model is as follows: a kind of grain drying smoits time The device of receipts is equipped with impurity collecting hood in the two sides of grain drying equipment, is equipped with inner cavity and exocoel in impurity collecting hood；Inner cavity with The dryer section of grain drying equipment and the exhaust outlet of cooling section communicate；The top of exocoel is equipped with axial flow blower, axial flow blower and outer Boundary communicates；Inner cavity and exocoel are separated by partition, and separation window is equipped on partition, and separation window is equipped with inclined hole, inclined hole lower end position At inner cavity, and inclined hole communicates inner cavity and exocoel；Impurity collecting box is equipped in the bottom of inner cavity.

The venetian blind type structure that the separation window is made of several blades, each blade is parallel and tilts down composition Oblique hole structure is equipped with crimp vertically downward in the outer end of blade, and the bottom of crimp is higher than the top of lower blade crimp.

Screw conveyor is arranged in the bottom level of the inner cavity, and impurity collecting box is located at the output of screw conveyor end At mouthful.

The device of grain drying smoits recycling makes impurity in gravity using outer-cavity structure in impurity collecting hood Effect is sunk, and clean gas enters exocoel by the inclined hole on partition, realizes the gas of whole Grain Drying Process Purification；Discarded impurity drop to impurity collecting box under gravity simultaneously, reduces environmental pollution.

Blade construction is set by separation window, is not only convenient for processing, and each interlobate gap is small, the outer end of blade Portion is equipped with crimp vertically downward, and the bottom of crimp is higher than the top of lower blade crimp, improves filter effect, while it is tilted Setting, slides under the effect of gravity convenient for impurity.

Screw conveyor is set in inner cavity, impurity more centralized collection will be made, reduce labor intensity.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the main view of the device of grain drying smoits recycling.

Fig. 2 is the structural schematic diagram of the side view of the device of grain drying smoits recycling.

Fig. 3 is the structural schematic diagram for separating window.

Specific embodiment

As depicted in figs. 1 and 2, a kind of device of grain drying smoits recycling, in the two sides of grain drying equipment 4 Equipped with impurity collecting hood 3, inner cavity 7 and exocoel 8 are equipped in impurity collecting hood 3；The dryer section of inner cavity 7 and grain drying equipment 4 and The exhaust outlet of cooling section communicates；The top of exocoel 8 is equipped with axial flow blower 6, and axial flow blower 6 communicates with the outside world；Inner cavity 7 and exocoel 8 It is separated by partition, separation window 5 is equipped on partition, separation window 5 is equipped with inclined hole, and inclined hole lower end is located at inner cavity 7, and inclined hole Inner cavity 7 and exocoel 8 are communicated；Impurity collecting box 1 is equipped in the bottom of inner cavity 7.

As shown in figure 3, the venetian blind type structure that the separation window 5 is made of several blades 5-1, each blade 5-1 In parallel and composition oblique hole structure is tilted down, is equipped with crimp 5-2 vertically downward, the bottom of crimp 5-2 in the outer end of blade 5-1 Portion is higher than the top of lower blade crimp.

As shown in Fig. 2, screw conveyor 2 is arranged in the bottom level of the inner cavity 7, it is defeated that impurity collecting box 1 is located at auger Send the equipped at outlet port of 2 end of machine.

The course of work of the device of the grain drying smoits recycling of the application are as follows: the grain in grain drying equipment 4 It can be mingled in the offgas smoits at the exhaust gas after dryer section and cooling section discharge drying during food is dry and stay There are in inner cavity 7；Start axial flow blower 6, gas can be flowed into exocoel 8 by the gap between blade 5-1, due to blade 5-1 Between the gap crimp 5-2 it is small, smoits cannot be introduced into, and fall under gravity into screw conveyor 2, and Smoits are sent in impurity collecting box 1 with the rotating vane for crossing screw conveyor 2.Since blade 5-1 is tilted down, Dust granule would also adhere to the surface of blade 5-1, also can be to 7 bottom dropped out of inner cavity, thus greatly when running up to certain thickness Big 7 dust of inner cavity that reduces enters in exocoel 8, to reduce environmental pollution.

It is prominent that the device of the grain drying smoits recycling of the application solves environmental pollution in the drying process etc. It goes wrong, reduces disposal of pollutants, reduce energy consumption, while smoits also can be recycled as biomass energy raw material, be Resident provides health, safety, comfortable environment, and maintenance social harmony is stablized, and has high social benefit and economic benefit, because It this market demand and has a extensive future, makes a concrete analysis of as follows.

1, economic benefit Analysis on Prospect.

The analysis of 1.1 direct economic benefits.It is clear to can be used as biomass solid after the smoits recycling that grain drying generates Clean energy source raw material, the biomass clean energy are important renewable energy, have the characteristics that green, low-carbon, cleaning, renewable, It can be used for cities and towns for the fields such as warm industrial heating, the granular fuel of processing economic value with higher.To dry energy For the grain drying system of 300 ton per day of power, according to 30,000 tons of grain drying amount of a dry phase calculating, smoits are generated About 30 tons.After this utility model, it is contemplated that recycling smoits are 27 tons, biomass solid clean energy resource after processing Calorific value be 3900~4800 kilocalories/kg, it is suitable with the calorific value of coal.If burned coal price is calculated by 900 yuan/ton, recycling Economic benefit produced by smoits are processed is 24300 yuan；

1.2) Analysis of Indirect Economic Interest.The outdoor open drying operation of grain drying system causes heat in drying tower to damage It loses comparatively fast, equivalent to increase energy consumption.The outdoor extensive style operation mode of drying system can be changed in the utility model, reduces The speed that heat radiation is lost in drying tower, lowers energy consumption.By taking the corn drying system of 300 ton per day of drying capacity as an example, According to 30,000 tons of grain drying amount of a dry phase calculating.Temperature is about 60 DEG C in drying tower, -10 DEG C of environment temperature, passes through calculating The radiations heat energy for knowing loss in grain drying one day is about 2,000,000 kilocalories, and the weight for converting into coal is about 400kg.It is practical using this After novel, it is equivalent to the isolation cover for increasing for drying tower and shielding extraneous cold source, reduces heat radiation loss.By estimating roughly Energy 200kg coal is saved, 20 tons of fire coal can be saved by calculating a set of drying system by a dry phase.

2, social benefit Analysis on Prospect.

The implementation of the utility model can reduce pollutant emission, protect environment, be conducive to promote existing grain drying system Green ecological of uniting is horizontal, accelerates to realize " green " dry strategy.It can be widely applied to various types of grain drying equipments, effectively Reduce environmental pollution, protect nearby residents living environment, harmony of maintaining social stability.In addition, the implementation of utility model can Grain drying operation safety is promoted to carry out production strictly in line with rules and regulations, protection operating personnel's occupational health health keeps numerous workers happy, It is energetic, absorbedly complete grain drying operation.

3, environmental benefit Analysis on Prospect.

The clean energy resource produced after smoits recycling, fuel purity is high, and sulfur-bearing phosphorus does not generate heat with other Sundries, when burning, do not generate sulfur dioxide and phosphorus pentoxide, because without causing acid rain to generate, not polluting atmosphere, do not pollute Environment.Only alternative coal-fired about 18.9 ten thousand tons of total amount of the energy of the clean energy resource of Liaoning Province's grain drying system production, year emission reduction two About 500,000 tons of carbonoxide, about 170,000 tons of dust emission are reduced, reduces about 0.5 ten thousand tons of sulfur dioxide (SO2) emissions, reduces nitrogen oxides row Put about 0.15 ten thousand tons.

Claims (3)

1. a kind of device of grain drying smoits recycling, it is characterised in that: be equipped in the two sides of grain drying equipment (4) Impurity collecting hood (3), impurity collecting hood (3) is interior to be equipped with inner cavity (7) and exocoel (8)；Inner cavity (7) and grain drying equipment (4) The exhaust outlet of dryer section and cooling section communicates；The top of exocoel (8) is equipped with axial flow blower (6), axial flow blower (6) and extraneous phase It is logical；Inner cavity (7) is separated with exocoel (8) by partition, and separation window (5) is equipped on partition, and separation window (5) is equipped with inclined hole, tiltedly Hole lower end is located at inner cavity (7), and inclined hole communicates inner cavity (7) and exocoel (8)；It is collected in the bottom of inner cavity (7) equipped with impurity Case (1).

2. the device of grain drying smoits recycling as described in claim 1, it is characterised in that: the separation window (5) the venetian blind type structure being made of several blades (5-1), each blade (5-1) is parallel and tilts down composition inclined hole knot Structure is equipped with crimp (5-2) vertically downward in the outer end of blade (5-1), and the bottom of crimp (5-2) is higher than lower blade crimp Top.

3. the device of grain drying smoits recycling as described in claim 1, it is characterised in that: the inner cavity (7) Bottom level screw conveyor (2) are set, impurity collecting box (1) is located at the equipped at outlet port of screw conveyor (2) end.