CN201680384U

CN201680384U - Energy-saving water-cooled grate

Info

Publication number: CN201680384U
Application number: CN2010201547639U
Authority: CN
Inventors: 陈耀华
Original assignee: China Western Power Industrial Co Ltd
Current assignee: China Western Power Industrial Co Ltd
Priority date: 2010-04-09
Filing date: 2010-04-09
Publication date: 2010-12-22
Anticipated expiration: 2020-04-09

Abstract

The utility model discloses an energy saving water-cooled grate, which belongs to the field of boiler equipment, and comprises a grate, a distributing air inlet and air chambers, wherein the three different-sized air chambers, namely a preheating zone air chamber, a main combustion zone air chamber and a burnt-out zone air chamber, correspond to a preheating zone, a main combustion zone and a burnt-out zone respectively; the distributing air inlet is independently connected with a blower; one big air chamber in the prior art is changed into three different-sized small air chambers, the air inlet volume can be adjusted according to the air volume required by the preheating zone, the main combustion zone and the burnt-out zone, so as to sufficiently combust the fuel and sufficiently utilize wind energy, thereby saving the wind energy and the electrical energy driving the blower; as the distributing air inlet is independently connected with one blower, the air volume and the air pressure can be ensured to satisfy the sufficient floating combustion of furnace chamber fuel, and besides, the air volume can be conveniently adjusted, and the wind energy can be saved and can be utilized reasonably.

Description

A kind of energy-conservation water-cooled grate

Technical field

The utility model relates to a kind of boiler corollary equipment, particularly a kind of water-cooled grate.

Background technology

The water-cooled vibrating-grate stoker is that the used novel stalk in a kind of thermal power plant directly burns formula boiler corollary equipment, is the best way of handling the crop straw burning generating at present.Water-cooled grate is the membrane wall that is made of cooling water pipe and band steel welding.Fire grate is divided into 2, and along boiler center line symmetric arrangement, fire grate is driven by mechanical device and vibrates; Be a wind scoop that is surrounded by two sides furnace wall and fire grate below the fire grate, provide wind-force to help the fuel combustion in the burner hearth by blower fan, concrete structure is referring to Fig. 1 and Fig. 2.When the burner hearth fuel combustion, generally be divided into 3 stages, i.e. preheating, main combustion and after-flame, three phases is taking place in three zones on fire grate from top to bottom respectively, promptly has preheating zone, primary zone and burning-out zone.But, big air compartment of the general employing of present this water-cooled grate, causing needing the place of a large amount of air in the burner hearth is that the primary zone does not have enough air, the place that does not need a large amount of air is that burning-out zone remains a large amount of air again, air quantity can not get rational allocation, cause that fuel can not fully burn in the combustion process, wind energy is wasted in a large number.

In addition, the air feed of the air feed of the air compartment of present this water-cooled grate and cloth wind all adopts same typhoon machine, air quantity, blast wretched insufficiency referring to the cloth wind of Fig. 1 this set, cause fuel to drop on the fire grate in a large number, in the fire grate vibration processes, cause detonation, influence the boiler furnace negative pressure, produce potential safety hazard, also cause the fuel can not completing combustion simultaneously.

The utility model content

Goal of the invention of the present utility model is: at the problem of above-mentioned existence, provide a kind of novel water-cooled grate that wind energy makes full combustion of fuel that makes full use of.

The technical solution adopted in the utility model is such: a kind of energy-conservation water-cooled grate, comprise fire grate, cloth wind inlet and air compartment, and described air compartment is at least 2, described cloth wind inlet links to each other with a typhoon machine separately.

As preferably: described air compartment is 3.

As further preferred: described 3 air compartments differ in size.

As override: described 3 air compartments are divided into preheating zone air compartment, primary zone air compartment and burning-out zone air compartment, and correspondence is positioned at preheating zone, primary zone and burning-out zone respectively.

Owing to adopt technique scheme, the beneficial effects of the utility model are: a present big air compartment is improved to three little air compartments that vary in size, according to the preheating zone, how many primary zone and burning-out zone institute required airflows regulate its intake, fuel can be fully burned, wind energy is fully used, thereby the electric energy of having saved wind energy and having driven blower fan, in addition, cloth wind inlet links to each other with a typhoon machine separately, and promptly cloth wind is by an independent typhoon machine air feed, thereby can guarantee air quantity, blast, satisfy the abundant suspension combustion of burner hearth fuel, it is also very convenient to adjust air quantity simultaneously, has also saved wind energy, makes wind energy rationally utilize.

Description of drawings

Fig. 1 is the utility model prior art constructions schematic diagram;

Fig. 2 is the side view of the utility model prior art;

Fig. 3 is the structural representation of the utility model embodiment.

Mark among the figure: 1 is furnace wall, and 2 is fire grate, and 3 are cloth wind inlet, and 4 is fuel inlet, and 5 is air compartment, and 6 is the preheating zone air compartment, and 7 is the primary zone air compartment, and 8 is the burning-out zone air compartment, and 9 is blower fan.

The specific embodiment

Below in conjunction with accompanying drawing, the utility model is done detailed explanation.

In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.

As shown in Figure 3, a kind of novel water-cooled grate comprises

fire grate

2 and 3 air compartments that vary in size, and these 3 air compartments are divided into preheating zone air compartment 6, primary zone air compartment 7 and burning-out zone air compartment 8, and correspondence is positioned at preheating zone, primary zone and burning-out zone respectively.

The same position of Yi Bian furnace wall 1 is provided with fuel inlet 4 and cloth wind inlet 3 therein, fuel is sent into from fuel inlet 4, simultaneously be that cloth wind is blown at cloth wind 3 places that enter the mouth in the position identical with fuel inlet 4, fuel is dispelled, enter the stove internal combustion, described cloth wind inlet 3 links to each other with a typhoon machine 9 separately.

A present big air compartment is improved to three little air compartments that vary in size, how much regulate its intake according to preheating zone, primary zone and burning-out zone institute required airflow, fuel can be fully burned, wind energy is fully used, thereby the electric energy of having saved wind energy and having driven blower fan, regulative mode can adopt the mode of different air compartments with different blower fan air-supplies, primary zone air compartment 7 adopts more powerful blower fan, burning-out zone air compartment 8 adopts the bigger blower fan of power, and preheating zone air compartment 6 adopts the air compartment of mid power; In addition, regulative mode also can adopt on each ajutage control valve is set, and regulates intake, perhaps other regulative modes according to each air compartment needs.Cloth wind inlet 3 links to each other with a typhoon machine 9 separately, and promptly cloth wind is by an independent typhoon machine 9 air feeds, thereby can guarantee air quantity, blast, satisfies the abundant suspension combustion of burner hearth fuel, and it is also very convenient to adjust air quantity simultaneously.

The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.

Claims

1. an energy-conservation water-cooled grate comprises fire grate, cloth wind inlet and air compartment, and it is characterized in that: described air compartment is at least 2, and described cloth wind inlet links to each other with a typhoon machine separately.

2. energy-conservation water-cooled grate according to claim 1 is characterized in that: described air compartment is 3.

3. energy-conservation water-cooled grate according to claim 2 is characterized in that: described 3 air compartments differ in size.

4. energy-conservation water-cooled grate according to claim 3 is characterized in that: described 3 air compartments are divided into preheating zone air compartment, primary zone air compartment and burning-out zone air compartment, and correspondence is positioned at preheating zone, primary zone and burning-out zone respectively.