CN205939205U

CN205939205U - Energy -saving and environment -friendly boiler

Info

Publication number: CN205939205U
Application number: CN201620544522.2U
Authority: CN
Inventors: 高德生
Original assignee: Hebei Hongde Environmental Protection Technology Co Ltd
Current assignee: Hebei Hongde Environmental Protection Technology Co Ltd
Priority date: 2016-06-07
Filing date: 2016-06-07
Publication date: 2017-02-08
Anticipated expiration: 2026-06-07

Abstract

The utility model discloses an energy -saving and environment -friendly boiler, include: the furnace body, be provided with the stove courage in the furnace body, and set up the heat exchanger of stove courage top, stove courage upper portion the furnace body is provided with annular smoke box outward, the annular smoke box pass through the exhanst gas outlet with stove courage intercommunication, the fixed intercommunication chimney in annular smoke box upper portion, be provided with circular flue in the annular smoke box, circular flue with be provided with the circulation return bend between the smoke box, the circulation return bend with the heat exchanger is connected. The utility model discloses an on stove courage upper portion, the furnace body sets up annular smoke box outward for the flue gas that produces in the stove courage can carry out secondary heat transfer, improving energy efficiency, set up circular flue in the smoke box, set up the circulation return bend between circular flue and the smoke box, be used for holding water in the return bend for the secondary heat transfer can be carried out with the water in the return bend through the flue gas in the circular flue, thereby exhaust gas temperature is reduced.

Description

Energy-saving, environmental protection boiler

Technical field

This utility model is related to field of boilers, more particularly, to a kind of energy-saving, environmental protection boiler.

Background technology

Coal is the main energy sources of China, accounts for more than the 70% of China's primary energy total quantity consumed, during current China uses Industrial Boiler about 50.4 ten thousand, 1,260,000 steaming tons, it is 1/3rd that annual consumption raw coal accounts for gross annual output amount.In non-renewable energy resources Today that day is becoming tight, consumption reduction of economizing on coal has become the key subjects that boiler industry faces.On the other hand with environmental protection consciousness Reinforcement, reduce pollution reduce soot emissions also more and more urgently put in face of us.

At present, traditional boiler generally existing high fume temperature, so that energy utilization rate is low, wastes serious.In particularly Miniature boiler quantity is big, consumes high, the average thermal efficiency only has more than 50%, and the energy of nearly half is wasted.

Utility model content

Not enough for prior art, this utility model provides a kind of energy-saving, environmental protection boiler, can reduce exhaust gas temperature, Improve energy utilization rate.

In view of this, this utility model provides following technical scheme：

A kind of energy-saving, environmental protection boiler, including：

Body of heater；

It is provided with flue in described body of heater, and be arranged on the heat exchanger above described flue；

It is provided with annular smoke box outside described flue top, described body of heater；Described annular smoke box pass through exhanst gas outlet with described Flue connects；The fixing connection in described annular smoke box top chimney, is provided with cycle flue in described annular smoke box, described circulation cigarette It is provided with circulation bend pipe, described circulation bend pipe is connected with described heat exchanger between road and described smoke box.

Preferably, described circulation bend pipe inner surface scribbles anti-corrosion layer.

From technique scheme as can be seen that this utility model provide energy-saving, environmental protection boiler, by flue top, stove External setting annular smoke box, so that the flue gas producing in flue can carry out secondary heat exchange, improves energy utilization rate；In annular cigarette Setting cycle flue in case, between cycle flue and annular smoke box, setting circulation bend pipe, is used in bend pipe holding water so that passing through Flue gas in cycle flue can carry out secondary heat exchange with the water in bend pipe, thus reducing exhaust gas temperature.

Brief description

In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work Under, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is the structural representation of this utility model energy-saving, environmental protection boiler；

Fig. 2 is the front view of Fig. 1 decline ash silo.

In figure：

1st, body of heater；2nd, flue；3rd, heat exchanger；4th, annular smoke box；5th, exhanst gas outlet；6th, chimney；7th, cycle flue；8th, circulate Bend pipe.

Specific embodiment

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work The every other embodiment being obtained, broadly falls into the scope of this utility model protection.

As shown in Figure 1 and Figure 2, a kind of energy-saving, environmental protection boiler that this utility model provides, including：Body of heater 1；Setting in body of heater 1 There are flue 2, and the heat exchanger 3 being arranged on flue 2 top；It is provided with annular smoke box 4 outside flue 2 top, body of heater 1；Annular smoke box 4 Connected with flue 2 by exhanst gas outlet 5；The fixing connection in annular smoke box 4 top chimney 6, is provided with cycle flue 7, follows in smoke box It is provided with circulation bend pipe 8, circulation bend pipe 8 is connected with heat exchanger 3 between annular smoke flue 7 and annular smoke box 4.

In technique scheme, by flue 2 top, body of heater 1 is outer to arrange annular smoke box 4 so that producing in flue 2 Flue gas can carry out secondary heat exchange, improves energy utilization rate；Cycle flue 7, cycle flue 7 and ring are set in annular smoke box 4 Setting circulation bend pipe 8 between shape smoke box 4, for holding water so that the flue gas passing through in cycle flue 7 can be with bend pipe in bend pipe Interior water carries out secondary heat exchange, thus reducing exhaust gas temperature.

In the present embodiment, circulation bend pipe 8 is easily corroded, and affects service life, therefore in order to extend circulation bend pipe 8 Service life need circulation bend pipe 8 in surface-coated corrosion resistant substance.

The energy-saving, environmental protection boiler that this utility model provides, structure is simple, material-saving is it is easy to operation, safe and reliable etc. many Item advantage, this boiler can reduce lingemann blackness, and lingemann blackness is less than 1.In the flue gas discharged, smoke discharge amount is due to carbon The abundant after-flame of black track producing particle and be greatly reduced, exhaust gas temperature is down to less than 100 DEG C, and every discharge reduces coal saving rate 5～10% More than.

Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or new using this practicality Type.Multiple modifications to these embodiments will be apparent from for those skilled in the art, is determined herein The General Principle of justice can be realized in the case of without departing from spirit or scope of the present utility model in other embodiments.Cause This, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The wide scope consistent with novel features.

Claims

1. a kind of energy-saving, environmental protection boiler is it is characterised in that include：

Body of heater (1)；

It is provided with flue (2) in described body of heater (1), and be arranged on the heat exchanger (3) above described flue (2)；

It is provided with annular smoke box (4) outside described flue (2) top, described body of heater (1)；Described annular smoke box (4) is gone out by flue gas Mouth (5) is connected with described flue (2)；Described annular smoke box (4) top fixing connection chimney (6), sets in described annular smoke box (4) It is equipped with cycle flue (7), between described cycle flue (7) and described annular smoke box (4), is provided with circulation bend pipe (8), described follow Ring bend pipe (8) is connected with described heat exchanger (3).

2. energy-saving, environmental protection boiler as claimed in claim 1 is it is characterised in that described circulation bend pipe (8) inner surface scribbles corrosion resistant Erosion layer.