CN2618950Y

CN2618950Y - Speed reducing sand treating machine

Info

Publication number: CN2618950Y
Application number: CNU022818588U
Authority: CN
Inventors: 方志
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-10-22
Filing date: 2002-10-22
Publication date: 2004-06-02
Anticipated expiration: 2012-10-22

Abstract

The utility model relates to a mechanical device that can absorb wind energy, reduce wind speed, utilize wind energy, protect the environment, control sandstorm, and can be used in planting and cultivation industry. The device arranges one or a group of gradual shrinking channels provided with a speed adjusting wind plate, a safe valve, an emergency valve, a deflation valve and a guiding wind plate with wind turbines, because the wind energy can be absorbed, the speed is reduced thus to protect the plain and the farm. At the same time the wind turbines can drive the dynamotor and the water pump thus to get water used by electric power and irrigation. The lower part of the deceleration sand control machine also forms a greenhouse that can be used in factory agriculture, facility agriculture, plantation industry and cultivation industry.

Description

Deceleration sand control machine

Technical field

The utility model is related is a kind of absorption wind energy, reduce wind speed, utilize wind energy, the protection environment, administer dust storm, and can be used for planting, the mechanical device of aquaculture.

Background technology

Wind is the basic reason that drift sand moves, 2 meters of distance face of land height, drift sand began to move when wind speed surpassed 5.5 meters of per seconds, the key of administering dust storm is to absorb wind energy and reduces wind speed, the main method of administering dust storm at present is afforestation, the biological air partition that formation is made up of the forest belt, it hinders advancing of air-flow, wind is subjected to most of air-flow of stopping of forest belt and crosses the sky, forest belt, another part air-flow is subjected to trunk when passing the forest belt, branch, the friction of leaf has consumed part kinetic energy wherein, reduce speed, the wind speed of forest belt leeward side in certain height of tree model weakened, formed low regime.Shelter-forest be for protect the fields, grassland, pasture create good little territory ecological environment; be output and the quality that improves pesticide herd product; raise labour productivity; the important measures that reduce cost, some problems are difficult to solve but this method also has like this, because shelter belt is biological air partition; its formation can be subjected to the restriction of soil, climate, water, fertile condition; the regional surrival rate of afforestation abominable at ecological environment is lower, tends to wood to occur making and grows into forest, and afforestation loses the phenomenon of woods.If selecting tall and big deciduous tree when afforestation is reproducting tree species, also can protective capacities be weakened because of the dead leaf phase appears in seasonal variations.And at this moment wind speed is the highest just, and in the period that hazards of sand storms is the most serious, the main effect in shelter belt is to the stopping of dust storm, and the wind energy of passing by is absorbed less, and generally between 3%～5%, this phenomenon is more obvious in the dead leaf phase.Shelter belt cycle of growing into forest is longer, needs experience seedling stage, young growth phase, formation period, generally needs experience time several years.China's sandy land area has reached 1,600,000 square kilometres, but also in the speed expanded with 2400 square kilometres of every year, reaches improvement speed more than or equal to desertification so adopt afforestation to administer dust storm, and catagen speed will be difficult.

Summary of the invention

The purpose of this utility model is that a kind of absorption wind energy will be provided, wind speed is reduced, be used to prevent that drift sand from moving, and the machinery of desertification of land degeneration, it can solve the restriction of conditions such as the soil that run in the engineering in afforestation, climate, liquid manure effectively, this machinery is manufactured goods, thereby does not also just have the long problem of growth cycle, also can not occur because of the stagnate variation of the protective capacities that the variation of leaf phase causes of dead leaf phase.

The purpose of this utility model is to realize like this, in one or one group of convergent shape passage of making by trussed construction or double-deck suspended-cable structure, the wind energy conversion system that is supported by guide vane is housed, the passage both sides are the guiding aerofoil, above convergent shape passage, the speed governing aerofoil is housed, safety valve, emergent valve is equipped with fan shape baffle between speed change aerofoil and guiding aerofoil.A circle or polygon air guide hole are housed between passage and wind energy conversion system, one or one group of air bleed valve are housed between air guide hole and speed governing aerofoil, the shape of guiding aerofoil has straight line or shaped form, so that the airintake direction and the prevailing wind direction of deceleration sand control machine are consistent, can satisfy the daylighting requirement in greenhouse simultaneously again.The connecting mode of generator or water pump and wind energy conversion system has two kinds, a kind of is generator, water pump directly connects with wind energy conversion system, also can adopt power transmission shaft, freewheel clutch, bevel gear, brake disc are with two or many wind energy conversion system parallel connections, and the governor that is installed on generator or the water pump is the Control Component of whole system.The convergent shape passage of double-deck suspended-cable structure is by lower and upper cross-member, longeron up and down, and cover plate up and down, side plate, wirerope, suspender, the oblique rollering steel cable, the main support constitutes.China belongs to the monsoon climate of allusion quotation shape, and autumn, winter, spring three monsoon are to blowing to the ocean by land, and summer is then opposite, thus desertification of land to degenerate also be two-way, the sand control machine that therefore slows down can adopt bi-directional configuration.With regard to current design and manufacture level, its energy conversion efficiency of the wind power generating set of rotor diameter below 10 meters can reach 35% of the wind energy of passing by, the unit efficiency of rotor diameter more than 10 meters can reach 40%, add convergent shape passage 5%～7% kinetic energy consumption is arranged again in running, so deceleration sand control machine can reach 40～45% to the consumption of the wind energy of passing by, this is shelter belt 8～10 times to the wind energy consumption.Because convergent shape passage stopping and the absorption of wind energy conversion system to air-flow to wind energy, in the certain limit at its rear, can form a low regime, make the grassland, the farmland obtains protection, can also be for being in the young growth phase, the forest land in seedling stage provides protection, for producing good working condition of creation of large standard high quality nursery stock, when electric power, irrigation were provided, the greenhouse of device below can be kind of a value industry, aquaculture and factory farming, industrialized agriculture provides the place.

Description of drawings

Fig. 1 is the structural representation of the utility model deceleration sand control machine when moving under the unnatural wind speed state;

Fig. 2 is the structural representation of deceleration sand control machine windward side;

Fig. 3 is the structural representation of deceleration sand control machine when being lower than the rated wind speed operation;

Fig. 4 is the vertical view of deceleration sand control machine;

Fig. 5 is that the A of Fig. 3 is to enlarged diagram;

Fig. 6 is the bi-directional configuration schematic diagram of deceleration sand control machine;

Fig. 7 is a deceleration sand control machine lifting assembly structural representation;

Fig. 8 is the assembly relation schematic diagram between lifting assembly and the side plate.

The specific embodiment

The structure of deceleration sand control machine comprises one or one group of convergent shape passage (1), there is a speed governing aerofoil (17) that safety valve (11) is housed the passage top, emergent valve (12) is equipped with at its rear, between emergent valve (12) and speed governing aerofoil (17) air bleed valve (23) is housed.Triangle transition aerofoil (13) is equipped with at the rear portion of convergent shape passage (1), polygon guiding air port (8), and the wind energy conversion system guiding supports (9), wind energy conversion system (14).There is a greenhouse (15) the passage below.The emergent valve (12) of safety valve in Fig. 1 (11) is shown in an open position, air bleed valve (23) in Fig. 3 among speed governing aerofoil (17) and Fig. 5 is shown in an open position, when opening, the fan shape baffle (16) that is installed on the speed governing aerofoil (17) can be avoided the air-flow short circuit at speed governing aerofoil (17).(24) are the bi-directional configuration of deceleration sand control machine in Fig. 6.(25) are lifting assembly in Fig. 7, and it is made of suspension ring (26), screw rod (27), cushion block (28), lining (29), bearing plate (30), backing plate (31), pressing plate (32).What (33) in Fig. 8 were represented is on suspender (25) and (18) four angles of side plate an installing hole to be arranged respectively, side plate (18) is sleeved on the suspender bolt (27) by installing hole, by the center to center distance between lining (29) and backing plate (31) control side plate (18) and the lower floor's suspension cable (2).Determine plan-position between suspender and the side plate side plate (18) to be fixed on the suspender by cushion block (28) by nut (not drawing among the figure) and pressing plate (32).

When blowing, air communication is crossed tapered channels (1) and is quickened, and wind energy conversion system (14) brings into operation when starting wind speed when wind speed reaches, and speed governing aerofoil this moment (17) opens, and air bleed valve (23) opens to avoid taking off the wind energy conversion system decrease in efficiency that wall, the separation of flow cause because of air-flow.Under the control that is installed on the governor on generator or the water pump, speed governing aerofoil (17) is regulated air mass flow in the rated power scope of wind energy conversion system (14).Returned zero and locking and wind speed when continuing to improve at the speed governing aerofoil, safety valve (11) is opened, and unnecessary flow is discharged.When running into strong gusts of wind or wind energy conversion system fault, emergent valve (12) is opened, to guarantee security of system.The emergent valve (12) of safety valve (11) is controlled by governor equally.The convergent shape passage (1) of deceleration sand control machine can adopt trussed construction, but in order to reduce cost, can adopt double-deck outstanding lock construction.It by main among Fig. 2 support the outstanding lock of lower floor (2) among (6), jackstay (4), the outstanding lock in upper strata (5), Fig. 1, go up longeron (10), oblique rollering steel cable (7), the guiding aerofoil (21) among Fig. 4, top rail (22), the lower transverse beam (20) among longeron (3) Fig. 2 down, side plate (18), cover plate (19) are formed.Guiding aerofoil (21) be shaped as shaped form, it both can guarantee that there was good daylighting in greenhouse (15), can guarantee that again passage has good aerodynamic performance, but its make, complex process in the assembling process, the shape of the aerofoil that therefore leads can adopt linear.Following longeron (3), lower cover (19) also can adopt linear.

Claims

1. deceleration sand control machine, it is characterized in that, in one or the one group of convergent shape passage (1) wind energy conversion system (14) is housed, speed governing aerofoil (17), fan shape baffle (16) are equipped with in the passage top, safety valve (11), emergent valve (12), air bleed valve (23), there are triangle transition aerofoil (13) and air guide hole (8) to link in wind energy conversion system the place ahead, the both sides of convergent shape passage (1) have greenhouse (15) for guiding aerofoil (21) in the below of convergent shape passage (1).

2. deceleration sand control machine according to claim 1 is characterized in that, described convergent shape passage (1) can have trussed construction and double-deck suspension cable lock construction.

3. deceleration sand control machine according to claim 1, it is characterized in that, the double-deck suspension cable lock construction that described convergent shape passage (1) is adopted by main support (6), jackstay (4), the outstanding lock in upper strata (5), the outstanding lock of lower floor (2), go up longeron (10), longeron (3), top rail (22), lower transverse beam (20), side plate (18), cover plate (19), suspender (25) constitute down.

4. according to claim 1,2,3 described deceleration sand control machines, it is characterized in that described convergent shape passage (1) has bi-directional configuration (24).