CN2837752Y

CN2837752Y - Controllable air guiding and blowing device for drying room

Info

Publication number: CN2837752Y
Application number: CN 200520040647
Authority: CN
Inventors: 严平; 曹伟武; 钱尚源
Original assignee: Shanghai University of Engineering Science
Current assignee: Shanghai University of Engineering Science
Priority date: 2005-04-05
Filing date: 2005-04-05
Publication date: 2006-11-15
Anticipated expiration: 2015-04-05

Abstract

The utility model discloses a controllable guiding air supplying device for a hot air drying baking room, which is characterized in that a guiding air supplying device is arranged at the air discharging opening of a blower; the guiding air supplying device is provided with a circle transformation rectangular abnormity diameter changing casing and is inside provided with an adjustable diversion tongue plate; a diversion bending plate is arranged at the corner point of the side wall of the top of the baking room for matching with the guiding air supplying device so as to form smooth and fluent controllable attaching airflow. The utility model has the advantages that the adjustable diversion tongue plate can adjust the flow velocity, the direction and the flow rate of drying airflow so as to cause the drying airflow to conform to the requirement of drying process and enhance drying quality; the diversion bending plate is matched with the guiding air supplying device, the smooth and fluent controllable attaching airflow is formed, the air supplying resistance is lowered, the air supplying flow rate is enhanced, the drying period is shortened and the efficiency is enhanced. By using the utility model, an aluminum transverse partition which is positioned among an air supplying suspended ceiling, an air returning suspended ceiling and a plurality of blowers and adopted by the conventional baking room can be cancelled, the height of the baking room is lowered and the first investments are saved. The utility model adopts the high efficiency environmental protection type blower, reduces noise pollution, saves power consumption and lowers drying cost.

Description

The controllable guided air-supply arrangement of dry drying room

Technical field

The utility model relates to the field of materials such as timber, food, medicine, agricultural byproducts, chemical products being carried out heated-air drying, is applicable to the controllable guided air-supply arrangement of various heated-air drying drying rooms, drying tunnel and baking oven.

Background technology

Dry run is the maximum but indispensable link of energy consumption in the processing industries such as timber, medicine, food, chemical products, agricultural byproducts, the heated-air drying drying room is the important equipment of drying operation, and the hot air circulating system in the drying room then is to improve the key of drying room efficient, energy savings, assurance product quality.According to the technological requirement of different material drying, the air stream of temperature-controlled humidity moves at the upper reaches, material surface that is dried must to have one also can set as required in the drying room, to reach dry purpose.At present, the air-supply arrangement of drying room, as shown in Figure 1, air-flow provides power by circulating fan 1, sends into the air-supply furred ceiling 3 on drying room top, after heater 4 heating, form the heated-air drying air-flow, after 90 degree turn to, flow into the vertical air channel 6, right side of drying room gate 5 sides downwards, by the gap of the bank 2 that is dried, flow through the material surface, to the vertical air channel 7, left side of bank, after turning to, 90 degree return the return air furred ceiling 8 on drying room top, reach the purpose of dry gas stream circulation.Though this method can reach dry purpose, but, exist following defective: 1, the air-flow of circulating fan generation injects the air-supply furred ceiling without restrictions, and air-flow spreads rapidly, streamline turbulence, especially at air-supply furred ceiling air outlet place, down current partly is obstructed, and the pressure loss is big, and fan pressure head must improve, cause power consumption to increase, the aluminum diaphragm plate 9 of still needing between the number typhoon machine.2, must build air-supply and the return air furred ceiling that size is close with the drying room floor space, clear height is about 1.5 meters, because the needs of maintenance are installed, furred ceiling should be able to be gone up the people, so initial cost is big, and it is big to take up space.3, can't adjust along the face velocity of the bank height that is dried, cause vertical face velocity skewness, make evenly drying of material, not only prolong arid cycle, dry mass and drying cost are also produced harmful effect.

Summary of the invention

The purpose of this utility model is the defective that exists in the existing all kinds of heated-air drying drying room circulation air-supply arrangements in order to overcome, and the drying room hot air circulation of a kind of controllable guided air-supply arrangement to realize ideal is provided.

The technical solution of the utility model is, a kind of controllable guided air-supply arrangement of heated-air drying drying room, it comprises blower fan, be characterized in, be equipped with the guiding blower, the special-shaped reducing housing that the guiding blower is equipped with round bending moment shape at the air outlet of blower fan, in 1 or 2 adjustable water conservancy diversion hyoplastron is housed, sidewall corner at the drying room top is equipped with the water conservancy diversion bent plate, cooperates with the guiding blower, forms level and smooth smooth controlled attaching air-flow.

The special-shaped reducing shell and the blower fan connection of the round bending moment shape of described guiding blower are rounded, and air outlet is rectangular.

Described adjustable water conservancy diversion hyoplastron is to be fixed in the section start of housing by circular bending moment shape, and the width of hyoplastron is identical with housing air outlet width, and the front end of hyoplastron flushes with the housing air outlet, and the hyoplastron front end is installed with adjusting screw(rod).

Described adjusting screw(rod) is fixed on the upper and lower flat board of housing rectangle air outlet, at the upper and lower position of the hyoplastron that passes adjusting screw(rod) one group of regulating part is housed respectively.

The beneficial effects of the utility model are: adjustable water conservancy diversion hyoplastron can be regulated as required by adjusting screw(rod) and regulating part, regulates flow velocity, direction and the flow of control dry gas stream, makes it to meet the requirement of dry materials technology, improves dry mass; The water conservancy diversion bent plate cooperates with the guiding blower, forms level and smooth smooth controlled attaching air-flow, reduces fan resistance, improves the air feed flow, thereby shortens arid cycle, improves drying efficiency; Aluminum tabula between air-supply furred ceiling, return air furred ceiling and the number typhoon machine that adopts the utility model can cancel conventional drying room to adopt reduces the drying room height, saves initial cost.

Description of drawings

Fig. 1 is a conventional drying drying room air-supply arrangement schematic diagram;

Fig. 2 is the dry drying room schematic diagram that controllable guided air-supply arrangement is housed;

Fig. 3 is guiding blower front view;

Fig. 4 is guiding blower vertical view.

The specific embodiment

By Fig. 2-shown in Figure 4, a kind of controllable guided air-supply arrangement of heated-air drying drying room, it comprises blower fan, be characterized in that be equipped with guiding blower 10 at the air outlet of blower fan 1, it has the special-shaped reducing housing 15 of round bending moment shape the guiding blower, in 1 or 2 adjustable water conservancy diversion hyoplastron 14 is housed, sidewall corner at the drying room top is equipped with water conservancy diversion bent plate 11, cooperates with guiding blower 10, forms level and smooth smooth controlled attaching air-flow.The guiding blower is installed in the air outlet of high-efficiency environment friendly blower fan, is connected with blower housing with bolt, and the housing of guiding blower is the special-shaped reducing shell of round bending moment shape, and it and blower fan connection are rounded, and air outlet is rectangular.

By Fig. 3, shown in Figure 4, adjustable water conservancy diversion hyoplastron is to be fixed in the section start of housing by circular bending moment shape, it is the fixedly root 16 of water conservancy diversion hyoplastron, along affixed two of rectangle width b direction (each one of upper and lower end) or one (lower end), as Fig. 3 14 shown in, the hyoplastron width is identical with housing air outlet width, and the front end of hyoplastron flushes with the housing air outlet, and the hyoplastron front end is installed with adjusting screw(rod) 13.Adjusting screw(rod) 13 is fixed on the upper and lower flat board of rectangle air outlet of housing 15, as Fig. 3 13 shown in, at the upper and lower position of the hyoplastron that passes adjusting screw(rod) one group of regulating part 12 is housed respectively.Adjusting screw(rod) quantity determines that according to rectangle air outlet width present embodiment is two, installs on the rectangle air outlet direction parallel with height h.Like this, rotate regulating part and can force the front end of hyoplastron to move up and down as required,, control air velocity, change the air outlet jet direction, under the cooperation of water conservancy diversion bent plate, form wall attachment jet thereby regulate to change the height and the flow angle of air outlet.

Fig. 2 is the airflow circulating system that the heated-air drying drying room of controllable guided air-supply arrangement is housed, blower fan 1 selects for use the efficient and environment-friendly type blower fan that power is provided, according to the requirement of drying process through guiding blower 10, regulate the speed with direction and after rectification, form the attaching stream of smoothly penetrating, heater via 4 heating again, under the guiding of water conservancy diversion bent plate 11, the material surface by the gap of the bank 2 that is dried, is flow through then in the slick and sly vertical air channel 6, right side that flows into, after in vertical air channel 7, left side, compiling, under the guiding of water conservancy diversion bent plate 11, get back to blower fan 1 inlet scoop, organize the cyclic drying air-flow with this.

In conjunction with example on probation effect of the present utility model is described in further detail:

With a dry volume of timber is 60M ³Drying of wood drying room be example, three of former circulating fans with the 2.2kW motor, general power is 6.6kW, blower fan moves continuously during the drying operation.If calculated with 26 days every month, electricity charge average price is 0.78 a yuan/degree, and then the electricity charge in every month are 3212 yuan, and annual institute power consumption expense is 38544 yuan.After adopting the utility model, need only blower fan with three 1.1kW efficient and environment-friendly types, under similarity condition, annual institute power consumption expense is a 60M ³19272 yuan in drying of wood drying room, Spring Festival holidays power saving expense is 19272 yuan, economic benefit is considerable.

The utility model has been cancelled the aluminum tabula between air-supply furred ceiling, return air furred ceiling and the furred ceiling blower fan, not only reduces about 50 centimeters of drying room floor heights, and saves nearly ten thousand yuan of initial costs.Increase only about 0.3 ten thousand yuan of the cost of water conservancy diversion bent plate before and after three guiding blowers and the drying rooms, therefore,, reduced initial cost, for the change of original drying room, then can recoup the investment rapidly, thereby very big economic benefit is arranged newly-built drying room.Select for use the efficient and environment-friendly type blower fan that power is provided, reduce noise pollution, the amount of saving energy reduces drying cost.

Claims

1, a kind of controllable guided air-supply arrangement of heated-air drying drying room, it comprises blower fan, it is characterized in that, air outlet at blower fan is equipped with the guiding blower, the special-shaped reducing housing of guiding blower with round bending moment shape, in 1 or 2 adjustable water conservancy diversion hyoplastron is housed, be equipped with the water conservancy diversion bent plate in the sidewall corner at drying room top, cooperate with the guiding blower, form level and smooth smooth controlled attaching air-flow.

2, the controllable guided air-supply arrangement of heated-air drying drying room according to claim 1 is characterized in that, the special-shaped reducing housing and the blower fan connection of the round bending moment shape of described guiding blower are rounded, and air outlet is rectangular.

3, the controllable guided air-supply arrangement of heated-air drying drying room according to claim 1, it is characterized in that, described adjustable water conservancy diversion hyoplastron is to be fixed in the section start of housing by circular bending moment shape, the width of hyoplastron is identical with housing air outlet width, the front end of hyoplastron flushes with the housing air outlet, and the hyoplastron front end is installed with adjusting screw(rod).

4, the controllable guided air-supply arrangement of heated-air drying drying room according to claim 3, it is characterized in that, described adjusting screw(rod) is fixed on the upper and lower flat board of housing rectangle air outlet, at the upper and lower position of the adjusting screw(rod) that passes hyoplastron one group of regulating part is housed respectively.