CN2336279Y - Energy economizer for small vertical boiler - Google Patents

Abstract

The utility model relates to an energy economizer for a small vertical boiler, which belongs to boiler accessories. The economizer of the utility model is in a round sleeve shape, which is composed of a flue gas passage (1), a plurality of heat exchange pipes (2), a water inlet (6), a water outlet (7), a water jacket (3), etc. The economizer is particularly suitable for a small vertical water heating boiler whose weight is less than 0.35 steam ton, and the coal consumption can be increased by more than 30 percent.

Description

The small scale vertical boiler energy-saving appliance

The design belongs to boiler accessories, is the energy-conservation economizer of a kind of miniature boiler flue gas utilization specifically.

The city central heating is popularized, and makes the user of large-scale or medium-sized boiler sharply reduce.Yet along with the raising of the lives of the people, various hotel, bath center are like rain the back spring bamboo, and be ubiquitous.These enterprises grow with each passing day to the needs of small size hot-water boiler, particularly in, the small city, 0.35 steams the following small scale vertical boiler of ton extremely is in great demand.Yet little also have a little difficulty, the thermal efficiency of this boiler own is very low, heat exchange is insufficient, for this reason, Chinese patent has been reported in recent years and has much been utilized and the energy saver that designs around flue gas again, the example that can enumerate has ZL93214321.093232647.1,93241661.6,94201570.3,93210653.6,95201022.4 etc., in ZL94236888.6, reported a kind of " flue gas afterheat energy-saving device ", it is by cylinder plate type heat exchanger main body, flue gas import and outlet end socket, and feed pipe and drainpipe constitute, fume afterheat is advanced to utilize, can economize coal consumption and reach more than 25%.

The design's purpose is to adopt the simplest barrel shaped structure, with minimum heat exchanger tube quantity, utilizes fume afterheat to reach the purpose of energy-conservation province coal in the shortest plume journey.

The design's small scale vertical boiler energy-saving appliance, by exhaust gases passes (1), many heat exchanger tubes (2), entery and delivery port (67), water leg formations such as (3).It is characterized in that two-port is welded at least four curved heat exchanger tubes (2) on the walling of flue (4), place exhaust gases passes (1), its two mouth of pipe and water leg (3) UNICOM, water leg (3) is concentric and be all round petioliform with exhaust gases passes (1), the outer wall (5) of water leg (3) is gone up whole below water inlet (6), whole top is the diagonal place with water inlet (6) delivery port (7), and flue (1) below is linked to each other with boiler body by ring flange (8), and there is outlet flue (9) flue (1) top.

Following conjunction with figs. further specifies the design's feature.

Fig. 1 is this energy-saving appliance principal section schematic diagram.

Fig. 2 is a schematic top view.

(1) exhaust gases passes among the figure, (2) heat exchanger, (3) water leg, (4) water leg inwall (walling of flue), (5) water leg outer wall, (6) water inlet, (7) delivery port, (8) ring flange, (9) outlet flue.

By ring flange (8) the whole seat of this energy-saving appliance is connected on the body of small scale vertical boiler, boiler smoke can be by cigarette Gas passage (1) process makes the outlet conduit of boiler link to each other with energy-saving appliance water inlet (6) by bend pipe, and boiler water is led Enter energy-saving appliance water leg (3), and in Tube Sheet of Heat Exchanger (2) by flue gas, constantly have hot water to be sent by delivery port (7) To the user. The flue gas that is reused discharges through outlet flue (9).

This energy-saving appliance is configured on the small scale vertical boiler, reduces the vertical boiler heat loss due to exhaust gas, plays energy-conserving action. That is be used in and also play province's cigarette device effect on the vertical type water heater boiler. Play the superheater effect on the vertical steam boiler and be used in. Not only energy-conservation but also be beneficial to smoke abatement and dust control. When adapted vertical miniature boiler diversified in specifications, smoke inlet can be according to boiler The outlet flue bore design docking of body. Water inlet can directly connect the vertical boiler water out with bend pipe.

The design's energy-saving appliance overall dimensions is little, and very convenient use can be saved coal consumption more than 30%. Small-sized vertical The energy-saving equipment of formula boiler user indispensability.

Embodiment of the design is as follows:

Exhaust gases passes bore Φ 300mm, high 500mm, water leg external diameter Φ 400mm, four in heat exchanger tube Φ 38mm footpath, ring flange Φ 290mm, mesopore Φ 180mm.

Claims (1)

1. small scale vertical boiler energy-saving appliance, by water leg (3), heat exchanger tube (2), exhaust gases passes (1), advance, delivery port (6, formation such as 7), it is characterized in that two-port is welded at least four curved heat exchanger tubes (2) on the walling of flue (4), place exhaust gases passes (1), its two mouth of pipe and water leg (3) UNICOM, water leg (3) is concentric and be all drum shape with exhaust gases passes (1), the outer wall (5) of water leg (3) is gone up whole below water inlet (6), whole top is the diagonal place with water inlet (6) delivery port (7), flue (1) below is linked to each other with boiler body by ring flange (8), and there is outlet flue (9) flue (1) top.

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