CN202002136U - Feeding system for boiler utilizing chaff as raw materials - Google Patents

Abstract

The utility model relates to a feeding system for a boiler utilizing chaff as raw materials. The boiler feeding system comprises a boiler body, a storing body, a storage silo, a comminuter, an exhaust blower, a high pressure blower, a fluidic device and nozzles. The feeding system is characterized in that two fuel nozzles are arranged at the sidewall of the boiler body, and the input ends of the nozzles are connected with the output ends of the fluidic device. The fluidic device is provided with two input ports, one input port of the fluidic device is connected with the discharging end of the storage silo, and the other input port of the fluidic device is connected with an air outlet of the high pressure blower. By the strong wind power of the air outlet of the high pressure blower, chaff powder materials drop into the fluidic device from a feeding hole and are sprayed into a burning room of the boiler by the two nozzles. The boiler feeding system is capable of improving the heating efficiency of the chaff, saving fuel consumption, reducing the manufacture cost, and reducing smoke pollution to the surrounding environment. The manufacturing process of the feeding system is carried out in a pipeline and the sealed storage silo, therefore, the noise in a plant is lowered, the dust is reduced, the manufacture environment of the plant is optimized, and the feeding system is beneficial to the physical and mental health of workers.

Description

Utilize the boiler feed system of husk for raw material

Technical field

The utility model is a kind of boiler feed system that utilizes husk for raw material, belongs to the boiler technology field.

Background technology

At present the boiler, particularly large scale industry boiler of China all are to be fuel with coal or oil, because world today's energy shortage, the price of raw coal and oil is constantly soaring, and administering coal, greasy dirt, to dye the expense of environment also very high, seriously restricted the development of some enterprises; And the south rice producing region have a large amount of husk resources not to be fully utilized or the just utilization of poor benefit, belongs to a kind of waste in fact, and tracing it to its cause is that the volume of husk is little, and light weight can not fully be burnt, and does not reach the requirement of the needed temperature and pressure of boiler.

Summary of the invention

The purpose of this utility model provides a kind of boiler feed system that utilizes husk for raw material, so that make full use of the husk resource, making it turns waste into wealth, and also alleviates boiler smoke to the pollution of environment all around.

For solving its technical problem, the utility model adopts technical scheme to be: that designs utilizes the boiler feed system of husk for raw material, comprise: boiler body, material storing mass, storage bin, grinder, air exhauster, high pressure positive blower, fluidic device and nozzle, its feature is: 1, on the sidewall of boiler body, be provided with two fuel nozzles, the input of this nozzle is connected with the output of fluidic device, fluidic device is provided with two input ports, an input port links to each other with the discharge end of filler bin, another input port links to each other with the air outlet of high pressure positive blower, the husk powder of falling into fluidic device from feed opening is sprayed into the combustion chamber of boiler by the powerful wind-force on the high pressure positive blower air outlet through two nozzles; 2, described filler bin top is the cloth-bag type closed structure, the inlet of this cloth bag is connected with the outlet of husk pulverizer by behind pipeline and the air exhauster, the bottom is a discharge end, in this discharge end, be provided with spiral discharge device and blanking device, the outlet of this discharge device is connected with the inlet of blanking device, and the outlet of blanking device is connected with the inlet of fluidic device; 3, described former feed bin, its top is the cloth bag closed structure, the top is provided with charging aperture, be connected with the outlet of air exhauster by pipeline on the charging aperture, be connected with suction tube on the inlet of air exhauster, on this intake line, be provided with the caisson type heavy object separator, contaminant removal in the husk that absorption can be advanced; The bottom of former feed bin is provided with load displacing screw, and raw material is connected with the inlet of pulverizer through discharging opening.

During work, the husk raw material sucks former feed bin through plastic suction pipe and air exhauster, be stored in the storehouse behind the caisson heavy object separator on the suction inlet pipeline, load displacing screw at the bottom of the storehouse and pipeline are sent into pulverizer and are ground into fine powder, through the pipeline pressure fan powder husk is sent into filler bin again, the powder spiral is established in the bottom of filler bin, the powder husk is discharged to the inlet of fluidic device, this fluidic device is under the effect of high pressure positive blower, with the powder husk through pipeline and two nozzle ejection to the fuel chambers of boiler, it is fully burnt.

Compared with prior art, advantage of the present utility model is: 1. the rice husk powder of loose light weight can be broken into fine powder, make it to become the powder that sprays at a high speed, the amount that sprays into is big, evenly, sufficient combustion can improve the heating efficiency of husk, fuel savings consumes, both can reduce production costs, not produce sulfur dioxide gas when burning because of husk again, therefore can reduce the pollution of boiler smoke surrounding environment; 2. because the production process of native system, in pipeline and airtight storage bin, carry out entirely, the dry sound of plant area is little, and dust is few, has optimized the production environment of factory, helps direct labor's body sex-health.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified:

Fig. 1 is a structural representation block diagram of the present utility model.

Among the figure: 1, feed pipe, 2, air exhauster, 3, pulverizer, 4, pressure fan, 5, high pressure positive blower, 6, ejector, 7, nozzle, 8, boiler body, 9, filler bin, 10, the powder pipe, 11, caisson heavy object separator, 12, former feed bin, 13, load displacing screw, 14, plastic tube.

The specific embodiment

With reference to accompanying drawing: on the body wall of the combustion chamber of boiler body 8, be provided with two nozzles 7, the port of export of two nozzles is all towards the combustion chamber, make the collision of flame-shaped commercial base, the input of nozzle is connected by the port of export of pipeline with fluidic device 6, this fluidic device is provided with two arrival ends, one of them input port end is connected with the bottom spiral outlet of rice husk powder feed bin 9, another inlet is connected with the outlet of a high pressure positive blower 5, make through pulverizing the husk powder at a high speed, heavy dose of boiler furnace of spurting into; The top of filler bin 9 is the cloth-bag type closed structure, its side is connected through the air outlet of powder pipeline 10 with pressure fan 4, the inlet of pressure fan is connected through the air outlet of pipeline with pulverizer 3, make rice husk powder be broken into 30-80 purpose fine powder, the input of pulverizer links to each other with the outlet of the bottom discharging spiral 13 of former feed bin 12, former feed bin top is the cloth-bag type obturator, the Cang Ding of this former feed bin, be connected through the outlet of plastic tube 14 with air exhauster 2, the input port of air exhauster 2 is provided with feed pipe 1, this feed pipe can suck the husk raw material and send into former feed bin through air exhauster and plastic tube, on this intake line, be provided with caisson type heavy object separator 11, contaminant removal in the husk that absorption can be advanced.

Claims (3)

1. boiler feed system that utilizes husk for raw material, comprise: boiler body, material storing mass, storage bin, grinder, air exhauster, high pressure positive blower, fluidic device and nozzle, it is characterized in that: on the sidewall of boiler body, be provided with two fuel nozzles, the input of this nozzle is connected with the output of fluidic device, fluidic device is provided with two input ports, an input port links to each other with the discharge end of filler bin, another input port links to each other with the air outlet of high pressure positive blower, the husk powder of falling into fluidic device from feed opening is sprayed into the combustion chamber of boiler by the powerful wind-force on the high pressure positive blower air outlet through two nozzles.

2. according to the described boiler feed system that utilizes husk for raw material of claim 1, it is characterized in that: described filler bin top is the cloth-bag type closed structure, the inlet of this cloth bag is connected with the outlet of husk pulverizer by behind pipeline and the air exhauster, the bottom is a discharge end, in this discharge end, be provided with spiral discharge device and blanking device, the outlet of this discharge device is connected with the inlet of blanking device, and the outlet of blanking device is connected with the inlet of fluidic device.

3. according to the described boiler feed system that utilizes husk for raw material of claim 1, it is characterized in that: described former feed bin, its top is the cloth bag closed structure, the top is provided with charging aperture, be connected with the outlet of air exhauster by pipeline on the charging aperture, be connected with suction tube on the inlet of air exhauster, on this intake line, be provided with the caisson type heavy object separator, contaminant removal in the husk that absorption can be advanced; The bottom of former feed bin is provided with load displacing screw, and raw material is connected with the inlet of pulverizer through discharging opening.

Images