CN2409429Y

CN2409429Y - Arch for horizontal boiler

Info

Publication number: CN2409429Y
Application number: CN 00209060
Authority: CN
Inventors: 庄涛
Original assignee: ELECTROMECHANICAL FACTORY OF BEIJING MINING BUREAU
Current assignee: ELECTROMECHANICAL FACTORY OF BEIJING MINING BUREAU
Priority date: 2000-04-11
Filing date: 2000-04-11
Publication date: 2000-12-06
Anticipated expiration: 2010-04-11

Abstract

The utility model relates to an arch for a horizontal boiler. In order to adapt the requirements of environmental protection, the original boiler which uses gas coal can be changed to burn briquette which is a clean fuel. On the basis of correspondingly enlarging the size of the original arch, a smoke guiding flue can be additionally arranged on a front arch, and movable smoke blocking plates are arranged on a middle arch and between the middle arch and the front arche, and are matched with the structure that through holes are arranged on the middle arch, a rear arch and movable smoke blocking plates. The utility model solves the problem that because the briquette is cold and moisture content is large, the briquette can not be immediately burned after entering into a lighting area. A boiler which uses the arch can use anthracite coal or briquette which is formed by mixing anthracite coal and gangue powder, and consequently, the boiler can become a clean package horizontal boiler which can eliminate serious pollution.

Description

A kind of chimney arch that is used for horizontal boiler

The utility model is a kind of chimney arch that is specially adapted to the fast-assembling horizontal boiler.

The chimney arch of current China heating commonly used water supply fast-assembling firework tube boiler is mainly for using bituminous coal, raw coal to design, because that these fuel have in the flue gas dust is big, defective such as environmental pollution is serious can not adapt to current energy conservation and environment protection.

The purpose of this utility model is to provide a kind of chimney arch that is used for horizontal boiler, and the boiler of using this chimney arch can make anthracite briquette make fuel, thereby becomes a kind of cleaning fast-assembling horizontal boiler that can eliminate severe contamination.

Technical solution of the present utility model is: this chimney arch that is used for horizontal boiler also has the face arch, hogging and the rear arch that set gradually, but is provided with leading flue and being connected with the arch cavity of resorption of arc-shaped sections on described face arch top; Be provided with the movable smoke barrier that can move to the face arch direction above the hogging being positioned at, and movable smoke barrier and hogging and along and rear arch on be evenly equipped with the through hole that is used for heat dissipation ventilation; The arch inner chamber height 200＜A＜800mm of face arch, the maximum arch inner chamber height 600＜B＜850mm of hogging, the minimum arch inner chamber height 300＜C＜650mm of rear arch, the distribution total length sum of face arch, hogging and rear arch is 8000-12000mm.

Because adopt the chimney arch of said structure, effect of the present utility model is significant: at first, stack requirement so can satisfy the layering of moulded coal because of to all corresponding size that strengthened in face arch, hogging, the rear arch space in stove; Secondly, flue is led in the face arch setting, and in establishing movable smoke barrier on the hogging and between the face arch, and in, the structure of laying through hole on rear arch and the movable smoke barrier matches, solved because moulded coal is colder, moisture is big, entered and be difficult for the problem of burning at once behind the seed region, i.e. employing activity smoke barrier is led cigarette, flue gas enters the preheating of cold-pressed briquette district by the flue of leading of being located at face arch, and then reaches the ignition temperature that needs by seed region.

Description of drawings of the present utility model is as follows:

Fig. 1 is a longitudinal profile structural representation of the present utility model;

Fig. 2 is the A A cross section view among Fig. 1;

Fig. 3 is the B-B cross section view among Fig. 1;

Fig. 4 is the C-C cross section view among Fig. 1;

Fig. 5, Fig. 6 are shown as the topology view of the utility model A-A section place in Fig. 1 when adopting other two kinds of embodiments.

Below in conjunction with accompanying drawing the utility model is done and to be described in further detail.

Referring to Fig. 1, this chimney arch that is used for horizontal boiler has the face arch, hogging and the rear arch that set gradually.In order to adapt to its chimney arch by burning the alter course structure requirement of high clean fuel one moulded coal of raw coal, described face arch 1 top be provided with arc-shaped sections lead flue 5 and with the arch cavity of resorption be connected, be provided with the movable smoke barrier 2 that can move to face arch 1 direction above the hogging 3 being positioned at, and on movable smoke barrier 2 and hogging 3 and edge and rear arch 4, be evenly equipped with the through hole that is used for heat dissipation ventilation, solve because moulded coal is colder, moisture is big with this, be difficult for the problem of burning at once after entering seed region, played effect anthracite positive ignition in face arch 1; Because the moulded coal layering is deposited on the fire grate, its volume increases, so face arch and in, the intracavity space size of rear arch all needs corresponding increasing, the arch inner chamber height 200＜A＜800mm of face arch 1, the maximum arch inner chamber height 600＜B＜850mm of hogging 3, the minimum arch inner chamber height 300＜C＜650mm of rear arch 4; The distribution total length sum of face arch, hogging and rear arch is 8000-12000mm, like this chimney arch behind the lengthening, and its face arch 1 leans out outside the stove substantially, has strengthened the preheating to cold-pressed briquette, and the point that helps coal is fought and can be promoted burning.

The above-mentioned through hole that is distributed on hogging 3, rear arch 4 and the movable smoke barrier 2 is a conical butt.Their spread pattern is: vertically be distributed with three row through holes along hogging 3 to rear arch 4, its minimum-value aperture is 80mm (as shown in Figure 3); Through hole on the movable smoke barrier 2 has three rows, is arranged at this plate and face arch 1 contacted first half, and its minimum-value aperture is 40mm.

Be located at the interior cavity of resorption that road junction one end of leading flue 5 on the face arch 1 is communicated with face arch, during the other end leads to, the donor outside of rear arch, and this port is Y type fork diplopore form, and its concrete structure can be referring to 1 position of the face arch among Fig. 1 and Fig. 2 and Fig. 4.Certainly, if the spatial altitude of chimney arch allows, this port can also be the three pore structure forms of telling three forks that show among the whole single hole road junction of arch that shows among Fig. 5 or Fig. 6.

The utility model chimney arch is done fuel design for being suitable for a kind of novel rectangle cellular moulded coal, and it also can use the moulded coal that anthracite or anthracite and colliery powder mix system simultaneously.Use the horizontal boiler of this structure chimney arch both can improve the burning of coal utilization rate, realized the pollution-free burning of coal again, its smoke discharge amount and desulphurization amount can both be better than the regulation of Beijing's environmental protection standard greatly, reached the requirement of environmental protection, energy-conservation, low consumption, be worth so have great promotion and application.

Claims

1, a kind of chimney arch that is used for horizontal boiler has the face arch, hogging and the rear arch that set gradually, it is characterized in that, the arc-shaped sections that described face arch (1) top is provided with is led flue (5) and is connected with the arch cavity of resorption; Be provided with the movable smoke barrier (2) that can move to face arch (1) direction being positioned at hogging (3) top, and on movable smoke barrier (2) and hogging (3) and edge and rear arch (4), be evenly equipped with the through hole that is used for heat dissipation ventilation; The arch inner chamber height 200＜A＜800mm of face arch (1), the maximum arch inner chamber height 600＜B＜850mm of hogging (3), the minimum arch inner chamber height 300＜C＜650mm of rear arch (4), the distribution total length sum of face arch, hogging and rear arch is 8000-12000mm.

2, chimney arch as claimed in claim 1 is characterized in that, the above-mentioned through hole that is distributed on hogging (3), rear arch (4) and the movable smoke barrier (2) is a conical butt.

3, chimney arch as claimed in claim 2 is characterized in that, vertically is distributed with three row through holes along hogging (3) to rear arch (4), and its minimum-value aperture is 80mm.

4, chimney arch as claimed in claim 2 is characterized in that, the through hole on the movable smoke barrier (2) has three rows, is arranged at the contacted first half of this plate and face arch (1), and its minimum-value aperture is 40mm.

5, chimney arch as claimed in claim 1 is characterized in that, is located at the interior cavity of resorption that flue (a 5) mouthful end is communicated with face arch of leading on the face arch (1), and during the other end leads to, the donor outside of rear arch, and this port is Y type fork diplopore form.